/* ============================================================
   X100 GROWTH OS — DESIGN SYSTEM v2 (theo DESIGN-DIRECTIVE)
   Token-first · Gold độc quyền Empire · 3 easing curve
   Mobile-first · Breakpoints: 768 / 1024 / 1200
   ============================================================ */

/* ------------------------------ 0. TOKENS */
:root {
  /* Nền — không bao giờ dùng đen thuần */
  --bg-void: #050508;
  --bg-base: #0A0A12;
  --bg-raised: #10101C;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.055);

  /* Màu thương hiệu */
  --electric: #00D9FF;
  --electric-deep: #2E6BFF;
  --ai-purple: #8B5CF6;
  --ai-purple-light: #C084FC;

  /* Gold — CHỈ dành riêng Empire Pass + scarcity + countdown khẩn */
  --gold: #F59E0B;
  --gold-light: #FBBF24;
  --gold-soft: rgba(245, 158, 11, 0.12);

  /* Chữ */
  --text-primary: #F4F6FB;
  --text-secondary: rgba(244, 246, 251, 0.72);
  --text-muted: rgba(244, 246, 251, 0.45);

  /* Giấy (phiếu thu) */
  --paper: #FBFBF9;
  --ink: #16181D;

  /* Viền */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Gradient chuẩn */
  --grad-hero: linear-gradient(96deg, #00D9FF 0%, #2E6BFF 38%, #8B5CF6 72%, #C084FC 100%);
  --grad-cta: linear-gradient(135deg, #2E6BFF 0%, #8B5CF6 100%);
  --grad-gold: linear-gradient(120deg, #F59E0B 0%, #FBBF24 55%, #F59E0B 100%);
  --grad-border: linear-gradient(135deg, rgba(0, 217, 255, 0.5), rgba(139, 92, 246, 0.5));

  /* Font */
  --font-display: "Be Vietnam Pro", system-ui, sans-serif;
  --font-body: "Inter", "Be Vietnam Pro", system-ui, sans-serif;

  /* Spacing — base 8px */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s6: 24px; --s8: 32px; --s12: 48px; --s16: 64px;
  --s20: 80px; --s24: 96px; --s30: 120px;

  /* Motion — 3 curve duy nhất */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --dur-fast: 180ms; --dur-med: 350ms; --dur-slow: 650ms;

  --topbar-h: 48px;
}

/* ------------------------------ Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 16px);
  scrollbar-color: rgba(255, 255, 255, 0.14) var(--bg-void);
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  background: var(--bg-void);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 4.1 Noise texture — grain toàn trang */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
a { color: var(--electric); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* 4.8 Selection */
::selection { background: rgba(139, 92, 246, 0.45); color: var(--text-primary); }

/* 4.9 Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border-radius: 5px;
  border: 2px solid var(--bg-void);
}
::-webkit-scrollbar-thumb:hover { background: rgba(0, 217, 255, 0.4); }

/* 4.10 Focus ring */
:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
  border-radius: 4px;
}
.btn-primary:focus-visible { outline-color: var(--text-primary); }

/* ------------------------------ Layout & rhythm */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 32px);
}
.container--narrow { max-width: 720px; }

/* Nén khoảng trống — trang chảy liền mạch */
.section { position: relative; padding-block: clamp(48px, 5vw, 80px); }

/* Xen kẽ nền — chu kỳ A/B/C */
.bg-a { background: var(--bg-void); }
.bg-b { background: var(--bg-base); }
.bg-c { background: var(--bg-raised); }

/* Divider gradient giữa các nhịp nền */
.divider-top::before {
  content: ""; position: absolute; top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.35), transparent);
}

/* ------------------------------ Typography helpers */
.eyebrow {
  display: inline-block;
  font: 700 13px/1 var(--font-display);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: var(--s4);
}

.section-title {
  font-size: clamp(1.7rem, 4.2vw, 2.6rem);
  font-weight: 800;
  margin-bottom: var(--s4);
}

.section-lead {
  font-size: clamp(1rem, 2vw, 1.125rem);
  max-width: 720px;
  color: var(--text-secondary);
}

.text-center { text-align: center; }
.text-center .section-lead { margin-inline: auto; }

.head-group { margin-bottom: var(--s8); }

.grad-text {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ------------------------------ Icons (1 bộ duy nhất, stroke 1.5) */
.ic {
  width: 20px; height: 20px;
  stroke: currentColor; stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
  fill: none; flex: 0 0 auto;
}
.ic--sm { width: 16px; height: 16px; }
.ic--lg { width: 28px; height: 28px; }

.icon-box {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: rgba(0, 217, 255, 0.12);
  color: var(--electric);
}

/* ------------------------------ Buttons — 1 hệ transition đồng nhất */
.btn-primary, .btn-ghost, .btn-gold, .topbar__cta, .compare-tab,
.stepper button, .receipt-actions button, .note-toggle, .card-extra-toggle,
.faq-item__btn, .ticket-option, .topbar .brand {
  transition: transform 250ms var(--ease-snap),
              box-shadow 250ms var(--ease-snap),
              border-color 250ms var(--ease-snap),
              background-color 250ms var(--ease-snap),
              color 250ms var(--ease-snap),
              opacity 250ms var(--ease-snap);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.btn-primary:active, .btn-ghost:active, .btn-gold:active, .topbar__cta:active,
.compare-tab:active, .stepper button:active, .receipt-actions button:active,
.sticky-cta .btn-primary:active {
  transform: scale(0.98);
}
a, button, input, select, textarea, label { -webkit-tap-highlight-color: transparent; }

/* ------------------------------ Buttons */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 18px 36px;
  border-radius: 14px;
  background: var(--grad-cta);
  color: var(--text-primary);
  font: 700 16px/1.3 var(--font-display);
  letter-spacing: 0.01em;
  text-align: center;
  box-shadow: 0 8px 32px rgba(46, 107, 255, 0.35),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform var(--dur-fast) var(--ease-snap),
              box-shadow var(--dur-fast) var(--ease-snap);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(46, 107, 255, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 17px 32px;
  border-radius: 14px;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font: 600 15px/1.3 var(--font-display);
  text-align: center;
  transition: border-color var(--dur-fast) var(--ease-soft),
              color var(--dur-fast) var(--ease-soft);
}
.btn-ghost:hover { border-color: rgba(0, 217, 255, 0.5); color: var(--text-primary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 217, 255, 0.10); }

/* Gold — chỉ dùng trong card Empire */
.btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 18px 32px;
  border-radius: 14px;
  background: var(--grad-gold);
  color: #1A1000;
  font: 700 15px/1.3 var(--font-display);
  text-align: center;
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform var(--dur-fast) var(--ease-snap),
              box-shadow var(--dur-fast) var(--ease-snap);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(245, 158, 11, 0.45); }

.btn-block { width: 100%; }

.btn-note {
  display: block;
  margin-top: var(--s2);
  font: 500 12px/1.5 var(--font-body);
  color: var(--text-muted);
  text-align: center;
}

.btn-spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(244, 246, 251, 0.35);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.is-loading { opacity: 0.75; pointer-events: none; }
.is-loading .btn-spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   TOPBAR COUNTDOWN (sticky)
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 900;
  min-height: var(--topbar-h);
  display: flex; align-items: center; justify-content: center;
  gap: var(--s4); flex-wrap: wrap;
  padding: 6px 16px;
  background: linear-gradient(90deg, #0A1F3D 0%, #2E6BFF 45%, #8B5CF6 100%);
  box-shadow: 0 2px 20px rgba(46, 107, 255, 0.35);
}
.topbar__label {
  font: 600 12px/1.4 var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(244, 246, 251, 0.92);
}
.topbar__timer { display: flex; gap: 6px; align-items: center; }
.topbar__unit {
  min-width: 44px; text-align: center;
  background: rgba(5, 5, 8, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 2px 6px; line-height: 1.2;
}
.topbar__num {
  display: block;
  font: 800 15px/1.3 var(--font-display);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.topbar__txt {
  display: block;
  font: 600 9px/1.2 var(--font-body);
  text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(244, 246, 251, 0.7);
}
.topbar.is-urgent .topbar__num { color: var(--gold-light); }
.topbar__cta {
  display: inline-flex; align-items: center;
  min-height: 44px;
  font: 700 12px/1 var(--font-display);
  letter-spacing: 0.06em;
  color: #0A1628;
  background: var(--text-primary);
  padding: 8px 18px;
  border-radius: 100px;
  white-space: nowrap;
}

/* Wordmark SOLOBIZ */
.brand {
  display: inline-flex; align-items: center; gap: 7px;
  font: 800 15px/1 var(--font-display);
  letter-spacing: 0.08em;
  color: var(--text-primary);
  min-height: 44px;
  white-space: nowrap;
}
.brand__dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--grad-hero);
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.6);
  flex: 0 0 auto;
}
.brand__biz {
  background: var(--grad-hero);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand__tld { font-size: 0.68em; font-weight: 600; color: var(--text-muted); letter-spacing: 0.12em; }
.brand--footer { font-size: 22px; min-height: 0; margin-bottom: var(--s2); }
.hero-brandline {
  margin-top: var(--s3);
  font: 600 12px/1.6 var(--font-display);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted);
}
.hero-brandline strong { color: var(--text-secondary); }
.topbar__cta:hover { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(244, 246, 251, 0.35); }

/* ============================================================
   HERO — SÂN KHẤU
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100svh - var(--topbar-h));
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--bg-void);
  padding-block: var(--s12) var(--s16);
}
/* Lớp 1: đèn sân khấu từ trên xuống */
.hero::before {
  content: ""; position: absolute;
  top: -30%; left: 50%;
  transform: translateX(-50%);
  width: 120vw; max-width: 1400px; height: 80vh;
  background: radial-gradient(ellipse 50% 45% at 50% 0%,
    rgba(46, 107, 255, 0.22) 0%,
    rgba(139, 92, 246, 0.10) 45%,
    transparent 75%);
  pointer-events: none;
}
/* Lớp 2: viền sáng chân trời */
.hero::after {
  content: ""; position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.35), transparent);
}

.hero__inner { max-width: 860px; margin-inline: auto; text-align: center; position: relative; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font: 600 12px/1.4 var(--font-display);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--electric);
  box-shadow: 0 0 8px var(--electric);
  animation: pulse-dot 2s var(--ease-soft) infinite;
  flex: 0 0 auto;
}
@keyframes pulse-dot { 50% { opacity: 0.35; } }

.hero h1 {
  font: 800 clamp(2.5rem, 1.2rem + 5.5vw, 4.75rem)/1.08 var(--font-display);
  letter-spacing: -0.035em;
  color: var(--text-primary);
  text-wrap: balance;
  max-width: 17ch;
  margin: var(--s6) auto var(--s4);
}
.hero h1 .grad {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(139, 92, 246, 0.35));
}

/* Tagline chủ đạo — ngay dưới H1 */
.hero-tagline {
  font: 700 clamp(1.15rem, 2.6vw, 1.5rem)/1.45 var(--font-display);
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  margin: 0 auto var(--s4);
  max-width: 30ch;
}
.hero-tagline__punch { font-weight: 800; white-space: nowrap; }

.hero-sub {
  font: 400 clamp(1rem, 0.9rem + 0.5vw, 1.1875rem)/1.65 var(--font-body);
  color: var(--text-secondary);
  max-width: 58ch;
  margin: 0 auto var(--s8);
}

.hero__ctas {
  display: flex; gap: var(--s4);
  justify-content: center; flex-wrap: wrap;
  margin-bottom: var(--s3);
}
.hero__reassure {
  font: 500 13px/1.5 var(--font-body);
  color: var(--text-muted);
  margin-bottom: var(--s8);
}
.hero__countline {
  font: 600 13px/1.5 var(--font-display);
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.hero__countline strong { color: var(--text-primary); font-variant-numeric: tabular-nums; }

/* Entrance choreography — stagger từng phần tử */
.hero [data-reveal] {
  opacity: 0; transform: translateY(24px);
  animation: hero-in var(--dur-slow) var(--ease-out) forwards;
}
.hero [data-reveal="1"] { animation-delay: 0ms; }
.hero [data-reveal="2"] { animation-delay: 120ms; }
.hero [data-reveal="3"] { animation-delay: 240ms; }
.hero [data-reveal="4"] { animation-delay: 360ms; }
.hero [data-reveal="5"] { animation-delay: 480ms; }
@keyframes hero-in { to { opacity: 1; transform: none; } }

/* ============================================================
   ROLES + STATS
   ============================================================ */
.roles-label {
  font: 600 13px/1.5 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--s4);
}
.role-chips {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--s2);
  max-width: 780px; margin: 0 auto var(--s12);
  list-style: none;
}
.role-chips li {
  font: 500 13px/1 var(--font-body);
  color: var(--text-secondary);
  padding: 9px 16px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
}
.role-chips li:hover { border-color: rgba(0, 217, 255, 0.4); color: var(--text-primary); }

.stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--s6);
  max-width: 900px; margin-inline: auto;
}
.stat { text-align: center; }
.stat__num {
  display: block;
  font: 800 clamp(1.8rem, 4vw, 2.6rem)/1.1 var(--font-display);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: var(--grad-hero);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat__num--text { font-size: clamp(1.1rem, 2.4vw, 1.5rem); line-height: 1.9; }
.stat__label { display: block; font: 500 13px/1.5 var(--font-body); color: var(--text-muted); margin-top: var(--s1); }

/* ============================================================
   PROBLEM
   ============================================================ */
.pain-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--s3);
  margin-block: var(--s8);
}
.pain-card {
  display: flex; gap: var(--s3); align-items: flex-start;
  padding: var(--s4);
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: transform var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out),
              background var(--dur-med) var(--ease-out);
}
.pain-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.pain-card .ic { color: var(--text-muted); margin-top: 4px; }
.pain-card__text { font: 400 14px/1.6 var(--font-body); color: var(--text-secondary); }
.pain-card__text strong { color: var(--text-primary); font-weight: 600; }

.problem__closer {
  max-width: 680px; margin-inline: auto;
  text-align: center;
  padding: var(--s6) var(--s8);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.08), rgba(139, 92, 246, 0.10));
  border: 1px solid rgba(139, 92, 246, 0.30);
}
.problem__closer p {
  font: 700 clamp(1.05rem, 2.4vw, 1.3rem)/1.5 var(--font-display);
  color: var(--text-primary);
}
.section-cta { text-align: center; margin-top: var(--s8); }

/* ============================================================
   BIG PROMISE — phương trình
   ============================================================ */
.equation {
  display: flex; flex-wrap: wrap; align-items: stretch; justify-content: center;
  gap: var(--s3);
  margin: var(--s8) auto;
  max-width: 900px;
}
.equation__item {
  display: flex; flex-direction: column; align-items: center; gap: var(--s2);
  font: 700 clamp(0.85rem, 2vw, 1.05rem)/1.3 var(--font-display);
  color: var(--text-primary);
  text-align: center;
  padding: var(--s4) var(--s6);
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.equation__item .ic--lg { color: var(--electric); }
.equation__op {
  align-self: center;
  font: 800 clamp(1.4rem, 3vw, 2rem)/1 var(--font-display);
  background: var(--grad-hero);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.equation__result {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.12), rgba(139, 92, 246, 0.16));
  border-color: rgba(0, 217, 255, 0.35);
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.equation__result .ic--lg { color: var(--ai-purple-light); }

.promise-list {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--s2);
  list-style: none;
  max-width: 820px;
  margin: 0 auto var(--s8);
}
.promise-list li {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 13px/1 var(--font-body);
  color: var(--text-secondary);
  padding: 9px 16px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}
.promise-list .ic--sm { color: var(--electric); }

/* ============================================================
   5 TRỤ CỘT
   ============================================================ */
.pillar-grid { display: grid; grid-template-columns: 1fr; gap: var(--s6); }

.pillar-card {
  position: relative;
  padding: var(--s8);
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: transform var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out);
}
.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 50px rgba(5, 5, 8, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
/* Watermark số thứ tự 01–05 */
.pillar-card__num {
  position: absolute; top: var(--s2); right: var(--s4);
  font: 800 64px/1 var(--font-display);
  color: var(--pillar-accent, var(--electric));
  opacity: 0.12;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}
.pillar-card .icon-box {
  margin-bottom: var(--s4);
  background: color-mix(in srgb, var(--pillar-accent, var(--electric)) 12%, transparent);
  color: var(--pillar-accent, var(--electric));
}
.pillar-card__title { font-size: 1.25rem; font-weight: 700; margin-bottom: var(--s2); }
.pillar-card__desc { font-size: 0.95rem; margin-bottom: var(--s4); color: var(--text-secondary); }
.pillar-card__list { list-style: none; display: grid; gap: var(--s2); }
.pillar-card__list li {
  font: 400 14px/1.5 var(--font-body);
  color: var(--text-secondary);
  padding-left: 26px; position: relative;
}
.pillar-card__list li::before {
  content: "→"; position: absolute; left: 0;
  color: var(--pillar-accent, var(--electric));
  font-weight: 700;
}
.pillar--1 { --pillar-accent: var(--electric); }
.pillar--2 { --pillar-accent: var(--ai-purple); }
.pillar--3 { --pillar-accent: var(--electric-deep); }
.pillar--4 { --pillar-accent: var(--ai-purple-light); }
.pillar--5 { --pillar-accent: var(--electric); }

/* ============================================================
   DIỄN GIẢ — mobile xếp DỌC 1 cột (cả 3 người đều thấy rõ,
   không bắt khách vuốt ngang); desktop grid ở media query dưới
   ============================================================ */
.speaker-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
  padding-bottom: var(--s4);
}

.speaker-card {
  scroll-snap-align: center;
  text-align: center;
  padding: 0;                      /* ảnh full-bleed sát mép trên */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.speaker-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 50px rgba(5, 5, 8, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Khung chân dung vuông — nền gradient dịu để ảnh nền sáng không chọi gắt */
.speaker-card__figure {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 70% at 50% 30%, rgba(46, 107, 255, 0.16), transparent 70%),
    radial-gradient(ellipse 70% 60% at 80% 90%, rgba(139, 92, 246, 0.14), transparent 70%),
    var(--bg-raised);
}
.speaker-card__photo {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms var(--ease-out);
}
.speaker-card:hover .speaker-card__photo { transform: scale(1.03); }
/* Overlay tối nhẹ ở đáy — nối mượt ảnh sáng vào card tối */
.speaker-card__figure::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(13, 13, 22, 0.55) 92%, rgba(13, 13, 22, 0.78) 100%);
  pointer-events: none;
}

/* Phần chữ dưới ảnh + đường kẻ gradient ngăn cách */
.speaker-card__body {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;                   /* ảnh→tên 20px · chủ đề→mép 20px */
}
.speaker-card__body::before {
  content: ""; position: absolute;
  top: 0; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.45), rgba(139, 92, 246, 0.45), transparent);
}
.speaker-card__name { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 6px; }

/* Badge uy tín diễn giả — pill nhỏ viền gradient */
.speaker-badges {
  list-style: none;
  display: flex;
  flex-direction: column;          /* mỗi chip 1 hàng riêng */
  align-items: center;
  gap: 6px;
  margin: 0 0 14px;                /* chips→bio 14px */
}
.speaker-badges li {
  display: inline-flex; align-items: center; gap: 6px;
  width: max-content;              /* rộng theo nội dung */
  min-height: 32px;                /* 3 card chip cùng cao */
  font: 600 11.5px/1.3 var(--font-display);
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-raised), var(--bg-raised)) padding-box,
    var(--grad-border) border-box;
}
.speaker-badges .ic--sm { width: 14px; height: 14px; color: var(--electric); flex: 0 0 auto; }
.speaker-card__role {
  font: 600 12px/1.5 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--electric);
  min-height: 42px;                /* khóa 2 dòng — 3 card thẳng hàng */
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  text-align: center;
  margin-bottom: 14px;             /* role→chips 14px */
}
/* Tách role tại dấu "·" — mỗi vế 1 dòng, căn giữa, không mồ côi từ */
.speaker-card__role .role-line { display: block; }
.speaker-card__topic {
  margin-top: auto;                /* dính đáy card — 3 ô thẳng hàng */
  min-height: 92px;                /* label + 2 dòng chủ đề */
  font: 400 14px/1.6 var(--font-body);
  color: var(--text-secondary);
  padding: var(--s3) var(--s4);
  border-radius: 12px;
  background: rgba(5, 5, 8, 0.35);
  border: 1px solid var(--border-subtle);
}
.speaker-card__topic strong {
  display: block;
  font: 700 11px/1.4 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--s1);
}

/* ============================================================
   TRUST — chống "lùa gà" + SỨ MỆNH
   ============================================================ */
.trust-card {
  max-width: 760px; margin-inline: auto;
  padding: clamp(24px, 4vw, 48px);
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.trust-card p { font: 400 15px/1.75 var(--font-body); color: var(--text-secondary); margin-bottom: var(--s4); }
.trust-card p:last-child { margin-bottom: 0; }
.trust-card p strong { color: var(--text-primary); font-weight: 600; }
.trust-card ul { list-style: none; display: grid; gap: var(--s2); margin-bottom: var(--s4); }
.trust-card ul li {
  display: flex; gap: var(--s2); align-items: flex-start;
  font: 400 15px/1.65 var(--font-body); color: var(--text-secondary);
}
.trust-card ul .ic { color: var(--electric); margin-top: 4px; }

.pledge-grid { display: grid; grid-template-columns: 1fr; gap: var(--s6); }
.pledge-card {
  padding: var(--s8);
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}
.pledge-card:hover { transform: translateY(-4px); border-color: rgba(0, 217, 255, 0.35); }
.pledge-card .icon-box { margin-bottom: var(--s4); }
.pledge-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: var(--s2); }
.pledge-card__body { font: 400 14px/1.7 var(--font-body); color: var(--text-secondary); }

/* ============================================================
   PRICING — TRỌNG TÂM CHUYỂN ĐỔI
   ============================================================ */

/* Countdown lớn */
.big-countdown {
  display: flex; justify-content: center; gap: var(--s3);
  margin-bottom: var(--s6);
}
.big-countdown__unit {
  min-width: 72px;
  padding: var(--s3) var(--s2);
  text-align: center;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.big-countdown__num {
  display: block;
  font: 800 clamp(28px, 5vw, 40px)/1.1 var(--font-display);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.big-countdown__num.tick { animation: digit-flip 250ms var(--ease-snap); }
@keyframes digit-flip {
  0% { opacity: 0; transform: translateY(40%); }
  100% { opacity: 1; transform: translateY(0); }
}
.big-countdown__label {
  display: block; margin-top: 4px;
  font: 600 11px/1.4 var(--font-body);
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--text-muted);
}
.big-countdown.is-urgent .big-countdown__num { color: var(--gold-light); }
.price-rise-note {
  text-align: center;
  font: 600 13px/1.6 var(--font-body);
  color: var(--text-muted);
  margin-bottom: var(--s6);
}
.price-rise-note strong { color: var(--gold-light); font-variant-numeric: tabular-nums; }

/* Scarcity bar — giữa heading và grid */
.scarcity-bar {
  max-width: 520px;
  margin: var(--s6) auto var(--s8);
  padding: var(--s4) var(--s6);
  border-radius: 14px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  background: var(--gold-soft);
  text-align: center;
}
.scarcity-bar .label { font: 600 13px/1.5 var(--font-body); color: var(--gold-light); }
.scarcity-bar .label strong { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.scarcity-track {
  height: 6px; border-radius: 3px; margin-top: 10px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.scarcity-fill {
  height: 100%; width: 0%;
  border-radius: inherit;
  background: var(--grad-gold);
  transition: width 1.2s var(--ease-out);
}
.scarcity-bar .sub {
  margin-top: var(--s2);
  font: 500 12px/1.5 var(--font-body);
  color: var(--text-secondary);
}
.scarcity-bar .sub strong { color: var(--gold-light); font-variant-numeric: tabular-nums; }

/* Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s6);
  align-items: stretch;
  max-width: 1160px;
  margin-inline: auto;
}

.pricing-card {
  position: relative;
  display: flex; flex-direction: column;
  border-radius: 24px;
  padding: var(--s8);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out),
              opacity var(--dur-med) var(--ease-out);
}
.pricing-card:hover { transform: translateY(-6px); }

/* Trạng thái chọn (đồng bộ với form) */
.pricing-grid.has-selection .pricing-card { opacity: 0.55; }
.pricing-grid.has-selection .pricing-card.is-selected {
  opacity: 1;
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

/* Business — ngôi sao */
.card-business {
  background: linear-gradient(180deg, rgba(46, 107, 255, 0.10), rgba(139, 92, 246, 0.06) 60%, var(--bg-card));
  border: 1px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 0 0 1px rgba(46, 107, 255, 0.4),
              0 24px 64px rgba(46, 107, 255, 0.22),
              0 0 80px rgba(139, 92, 246, 0.12);
}
.ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  padding: 7px 20px; border-radius: 100px;
  background: var(--grad-cta);
  font: 700 11px/1 var(--font-display);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-primary);
  box-shadow: 0 6px 20px rgba(46, 107, 255, 0.45);
  white-space: nowrap;
}

/* Empire — black card, gold độc quyền */
.card-empire {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.07), var(--bg-card) 55%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: inset 0 1px 0 rgba(251, 191, 36, 0.15);
}
.card-empire .ribbon {
  background: var(--grad-gold);
  color: #1A1000;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}
/* Sheen quét qua 1 lần khi hover */
.card-empire::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(105deg, transparent 40%, rgba(251, 191, 36, 0.08) 50%, transparent 60%);
  background-size: 250% 100%; background-position: 120% 0;
  transition: background-position 900ms var(--ease-soft);
  pointer-events: none;
}
.card-empire:hover::after { background-position: -60% 0; }
.pricing-grid.has-selection .card-empire.is-selected { outline-color: var(--gold); }

/* Nội dung card — hành trình mắt: GIÁ → QUÀ → CTA */
.tier-name {
  font: 700 13px/1.4 var(--font-display);
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--s2);
}
.card-business .tier-name { color: var(--electric); }
.card-empire .tier-name {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tier-fit { font: 400 14px/1.5 var(--font-body); color: var(--text-muted); margin-bottom: var(--s4); min-height: 2.8em; }

.price-anchor {
  font: 500 14px/1.4 var(--font-body);
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(244, 246, 251, 0.3);
  margin-bottom: var(--s1);
  font-variant-numeric: tabular-nums;
}
.price {
  font: 800 clamp(2.25rem, 2rem + 1vw, 3rem)/1 var(--font-display);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}
.price .currency { font-size: 0.45em; font-weight: 600; color: var(--text-secondary); vertical-align: super; }
.price-save {
  font: 600 13px/1.5 var(--font-body);
  color: var(--electric);
  margin-top: var(--s1);
  font-variant-numeric: tabular-nums;
}
.card-empire .price-save { color: var(--gold-light); }

.card-divider { height: 1px; background: var(--border-subtle); margin-block: var(--s4); }

/* Value stack */
.vs-title {
  font: 800 11px/1.4 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: var(--s2);
}
.vs-title--gift { color: var(--electric); }
.card-empire .vs-title--gift { color: var(--gold-light); }

.vs-list { list-style: none; display: grid; gap: 10px; margin-bottom: var(--s4); }
.vs-row { display: flex; gap: 8px; align-items: flex-start; }
.vs-row .ic--sm { color: var(--electric); margin-top: 4px; }
.card-empire .vs-row .ic--sm { color: var(--gold-light); }
.card-starter .vs-row .ic--sm { color: var(--text-muted); }
.vs-row__label { font: 400 13.5px/1.55 var(--font-body); color: var(--text-secondary); flex: 1; }
.vs-row__label strong { color: var(--text-primary); font-weight: 600; }
.vs-row__label small { display: block; color: var(--text-muted); font-size: 12px; }
.vs-row__value {
  font: 600 13px/1.55 var(--font-body);
  color: var(--text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.vs-row--inherit .vs-row__label { color: var(--text-muted); }

.vs-total {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--s2);
  padding: var(--s3) var(--s4);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed var(--border-strong);
  margin-bottom: var(--s4);
  flex-wrap: wrap;
}
.vs-total .k { font: 700 12px/1.5 var(--font-display); letter-spacing: 0.08em; color: var(--text-secondary); }
.vs-total .v {
  font: 800 15px/1.5 var(--font-display);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.vs-total .v del { color: var(--text-muted); font-weight: 500; margin-right: 6px; }

.card-cta-wrap { margin-top: auto; padding-top: var(--s4); }
.micro-trust {
  display: block; margin-top: var(--s2);
  font: 500 12px/1.5 var(--font-body);
  color: var(--text-muted);
  text-align: center;
}

/* Empire: thu gọn quyền lợi trên mobile */
.card-extra-toggle {
  display: none;
  width: 100%;
  margin-bottom: var(--s4);
  padding: 10px;
  border-radius: 10px;
  border: 1px dashed rgba(245, 158, 11, 0.4);
  color: var(--gold-light);
  font: 600 13px/1.4 var(--font-display);
  text-align: center;
}

/* Lộ trình giá + proof */
.roadmap {
  max-width: 640px; margin: var(--s12) auto 0;
  padding: var(--s6) var(--s8);
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}
.roadmap h3 {
  font: 800 13px/1.5 var(--font-display);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: var(--s4);
  text-align: center;
  color: var(--text-primary);
}
.roadmap ul { list-style: none; display: grid; gap: var(--s2); margin-bottom: var(--s4); }
.roadmap li {
  display: flex; justify-content: space-between; gap: var(--s4); flex-wrap: wrap;
  font: 400 14px/1.6 var(--font-body);
  color: var(--text-secondary);
  padding-bottom: var(--s2);
  border-bottom: 1px dashed var(--border-subtle);
}
.roadmap li .when { color: var(--text-muted); }
.roadmap li .what { font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; text-align: right; }
.roadmap > p { font: 500 13px/1.6 var(--font-body); color: var(--text-muted); text-align: center; }

.page-proof {
  max-width: 640px; margin: var(--s8) auto 0;
  text-align: center;
  font: 400 14px/1.75 var(--font-body);
  color: var(--text-muted);
  font-style: italic;
}
.page-proof strong { color: var(--text-secondary); font-style: normal; }

/* ============================================================
   BẢNG SO SÁNH
   ============================================================ */
.compare-tabs {
  display: flex; gap: var(--s2); justify-content: center;
  margin-bottom: var(--s4);
  /* 5 hạng vé (Flash→Empire) không đủ chỗ trên 1 hàng ở màn hẹp:
     cho xuống hàng để không đẩy tràn ngang cả trang. */
  flex-wrap: wrap;
}
.compare-tab {
  min-height: 44px;
  padding: 10px 20px;
  flex: 0 0 auto;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  font: 600 13px/1 var(--font-display);
  transition: border-color var(--dur-fast) var(--ease-snap),
              background var(--dur-fast) var(--ease-snap),
              color var(--dur-fast) var(--ease-snap);
}
.compare-tab.is-active {
  border-color: var(--electric);
  color: var(--text-primary);
  background: rgba(46, 107, 255, 0.12);
}
.compare-tab[data-tier="empire"].is-active { border-color: var(--gold); background: var(--gold-soft); }

.compare-wrap {
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  overflow: hidden;
  /* Không giới hạn chiều cao: 6 dòng cuối là quyền lợi bán Empire,
     bị cắt là mất tiền — bảng hiển thị trọn vẹn */
}
.compare { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.compare th, .compare td {
  padding: 13px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.compare thead th {
  position: sticky; top: 0; z-index: 2;
  font: 700 13px/1.4 var(--font-display);
  color: var(--text-primary);
  background: var(--bg-raised);
  white-space: nowrap;
}
.compare thead th small { display: block; font: 600 11px/1.4 var(--font-body); color: var(--text-muted); font-variant-numeric: tabular-nums; }
.compare thead th.h-business { color: var(--electric); background: #131b33; }
.compare thead th.h-empire { color: var(--gold-light); }
.compare td.t-business { background: rgba(46, 107, 255, 0.06); }
.compare tbody tr:last-child td { border-bottom: none; }
.compare td:first-child, .compare th:first-child {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 500;
}
.compare .ok { display: inline-flex; }
.compare .ok .ic--sm { stroke-width: 2.5; }
.compare .t-starter .ok { color: var(--text-secondary); }
.compare .t-business .ok { color: var(--electric); }
.compare .t-empire .ok { color: var(--gold-light); }
.compare .no { color: var(--text-muted); font-weight: 500; }

/* ============================================================
   FORM ĐĂNG KÝ — quầy VIP
   ============================================================ */
.micro-urgency {
  max-width: 560px; margin: 0 auto var(--s8);
  text-align: center;
  font: 500 14px/1.7 var(--font-body);
  color: var(--text-secondary);
}
.micro-urgency strong { color: var(--text-primary); }

/* 4.2 Border gradient 1px (kỹ thuật mask) */
.grad-border { position: relative; border-radius: 24px; }
.grad-border::before {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit; padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.form-card {
  max-width: 720px;
  margin-inline: auto;
  padding: clamp(24px, 5vw, 48px);
  border-radius: 24px;
  background: var(--bg-raised);
  box-shadow: 0 30px 80px rgba(5, 5, 8, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.form-group-label {
  display: flex; align-items: center; gap: var(--s3);
  margin-bottom: var(--s4);
  font: 700 12px/1.4 var(--font-display);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-muted);
}
.form-group-label::after { content: ""; flex: 1; height: 1px; background: var(--border-subtle); }
.form-group-label .num {
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(0, 217, 255, 0.12);
  color: var(--electric);
  font: 700 11px/1 var(--font-display);
  flex: 0 0 auto;
}
.form-group { display: grid; gap: var(--s4); }
.form-group + .form-group-label { margin-top: var(--s8); }

/* Radio card chọn hạng vé */
.ticket-options { display: grid; gap: var(--s2); }
.ticket-option {
  position: relative;
  display: flex; justify-content: space-between; align-items: center; gap: var(--s3);
  padding: 16px 18px; border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-snap),
              background var(--dur-fast) var(--ease-snap),
              box-shadow var(--dur-fast) var(--ease-snap);
}
.ticket-option input { position: absolute; opacity: 0; pointer-events: none; }
.ticket-option .t-info { flex: 1; }
.ticket-option .t-name { font: 700 14px/1.4 var(--font-display); color: var(--text-primary); }
.ticket-option .t-note {
  display: inline-flex; align-items: center; gap: 4px;
  font: 500 12px/1.4 var(--font-body); color: var(--text-muted);
}
.ticket-option .t-note .ic--sm { width: 13px; height: 13px; color: var(--electric); }
.ticket-option .t-price {
  font: 700 15px/1.3 var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  white-space: nowrap;
}
.ticket-option[data-checked="true"] {
  border-color: var(--electric);
  background: rgba(46, 107, 255, 0.10);
  box-shadow: 0 0 0 1px var(--electric), 0 8px 24px rgba(46, 107, 255, 0.18);
}
.ticket-option[data-tier="empire"][data-checked="true"] {
  border-color: var(--gold);
  background: rgba(245, 158, 11, 0.08);
  box-shadow: 0 0 0 1px var(--gold), 0 8px 24px rgba(245, 158, 11, 0.18);
}
.ticket-option[data-tier="empire"] .t-note .ic--sm { color: var(--gold-light); }

/* Fields */
.field { display: flex; flex-direction: column; }
.field > label {
  display: block; margin-bottom: 8px;
  font: 600 13px/1.4 var(--font-display);
  letter-spacing: 0.04em; color: var(--text-secondary);
}
.field label .req { color: #F87171; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font: 400 16px/1.4 var(--font-body); /* 16px = iOS không auto-zoom */
  transition: border-color var(--dur-fast) var(--ease-soft),
              box-shadow var(--dur-fast) var(--ease-soft),
              background var(--dur-fast) var(--ease-soft);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-muted); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--electric);
  background: rgba(0, 217, 255, 0.05);
  box-shadow: 0 0 0 4px rgba(0, 217, 255, 0.12);
  outline: none;
}
.field input:valid:not(:placeholder-shown) { border-color: rgba(0, 217, 255, 0.35); }
.field .helper { margin-top: 6px; font: 400 12px/1.5 var(--font-body); color: var(--text-muted); }
.field.has-error input, .field.has-error select { border-color: #EF4444; }
.field .error-msg {
  display: none;
  font: 400 13px/1.4 var(--font-body);
  color: #F87171; margin-top: 6px;
}
.field.has-error .error-msg { display: block; }

.field select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' fill='none'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23A0A6C0' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
.field select option { background: var(--bg-raised); color: var(--text-primary); }
.field textarea { resize: vertical; min-height: 72px; }

.field-row { display: grid; grid-template-columns: 1fr; gap: var(--s4); }

/* Stepper số lượng */
.stepper { display: flex; align-items: stretch; gap: var(--s2); }
.stepper button {
  width: 52px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--dur-fast) var(--ease-snap), background var(--dur-fast) var(--ease-snap);
}
.stepper button:hover { border-color: var(--electric); background: rgba(0, 217, 255, 0.08); }
.stepper input { text-align: center; font-variant-numeric: tabular-nums; }

/* Ghi chú thu gọn */
.note-toggle {
  justify-self: start;
  min-height: 44px;
  display: inline-flex; align-items: center;
  font: 600 13px/1.4 var(--font-body);
  color: var(--electric);
  padding: 4px 0;
}
.note-toggle:hover { text-decoration: underline; }
.note-wrap { display: none; }
.note-wrap.is-open { display: flex; }

/* Order bump */
.bump {
  display: flex; gap: var(--s3); align-items: flex-start;
  padding: var(--s4);
  margin-top: var(--s6);
  border-radius: 14px;
  border: 1.5px dashed rgba(245, 158, 11, 0.5);
  background: var(--gold-soft);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-snap), background var(--dur-fast) var(--ease-snap);
}
.bump:hover { border-color: var(--gold); }
.bump input {
  width: 20px; height: 20px;
  margin-top: 3px;
  accent-color: var(--gold);
  flex: 0 0 auto;
  cursor: pointer;
}
.bump__title { font: 700 13.5px/1.5 var(--font-display); color: var(--gold-light); }
.bump__desc { font: 400 13px/1.6 var(--font-body); color: var(--text-secondary); margin-top: 2px; }

/* Tổng tiền realtime */
.total-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: var(--s2); flex-wrap: wrap;
  padding: 18px 20px; margin-block: var(--s6);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(46, 107, 255, 0.12), rgba(139, 92, 246, 0.10));
  border: 1px solid rgba(46, 107, 255, 0.3);
}
.total-row .label { font: 600 14px/1.4 var(--font-display); color: var(--text-secondary); }
.total-row .label small { display: block; font: 400 12px/1.5 var(--font-body); color: var(--text-muted); }
.total-row .amount {
  font: 800 clamp(1.5rem, 1.3rem + 1vw, 2rem)/1 var(--font-display);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: transform var(--dur-med) var(--ease-out);
}
.total-row .amount.pulse { transform: scale(1.04); }

/* Trạng thái gửi form */
.form-status {
  display: none;
  font: 500 14px/1.65 var(--font-body);
  padding: var(--s4) 18px;
  border-radius: 12px;
  margin-bottom: var(--s4);
}
.form-status.success {
  display: block;
  color: #B8FFE5;
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.form-status.error {
  display: block;
  color: #FECACA;
  background: rgba(239, 68, 68, 0.10);
  border: 1px solid rgba(239, 68, 68, 0.35);
}
.form-status strong { color: var(--text-primary); }
.form-status ol { padding-left: 20px; display: grid; gap: 6px; margin-top: var(--s2); }
.form-status .btn-ghost { margin-top: var(--s3); padding: 12px 20px; font-size: 13px; }

/* Reassurance dưới nút submit */
.submit-reassure {
  display: grid; gap: 6px;
  margin-top: var(--s4);
  list-style: none;
}
.submit-reassure li {
  display: flex; gap: 8px; align-items: flex-start;
  font: 400 12.5px/1.6 var(--font-body);
  color: var(--text-muted);
}
.submit-reassure .ic--sm { color: var(--electric); margin-top: 3px; }
.submit-reassure li strong { color: var(--text-secondary); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 720px; margin-inline: auto; display: grid; gap: var(--s3); }
.faq-list + .section-cta { margin-top: var(--s6); }
.faq-item {
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: border-color var(--dur-med) var(--ease-out);
}
.faq-item.is-open { border-color: rgba(0, 217, 255, 0.35); }
.faq-item__btn {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  width: 100%; text-align: left;
  padding: 19px 22px;
  font: 600 15px/1.5 var(--font-display);
  color: var(--text-primary);
}
.faq-item__icon {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: 1px solid var(--border-subtle);
  color: var(--electric);
  transition: transform var(--dur-med) var(--ease-snap), background var(--dur-med) var(--ease-soft);
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); background: rgba(0, 217, 255, 0.15); }
.faq-item__panel { max-height: 0; overflow: hidden; transition: max-height var(--dur-med) var(--ease-out); }
.faq-item__answer {
  padding: 0 22px 20px;
  font: 400 14px/1.75 var(--font-body);
  color: var(--text-secondary);
  white-space: pre-line;
}
.faq-item__answer strong { color: var(--text-primary); }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  text-align: center;
  background:
    radial-gradient(ellipse 70% 90% at 50% 115%, rgba(139, 92, 246, 0.28), transparent 65%),
    radial-gradient(ellipse 60% 80% at 50% -20%, rgba(0, 217, 255, 0.14), transparent 60%),
    var(--bg-void);
}
.final-cta__title {
  font-size: clamp(1.8rem, 4.6vw, 3rem);
  font-weight: 800;
  max-width: 820px;
  margin: 0 auto var(--s4);
}
.final-cta__sub { max-width: 620px; margin: 0 auto var(--s8); font-size: clamp(0.98rem, 2vw, 1.1rem); }
.final-cta__seats {
  margin-top: var(--s4);
  font: 600 13px/1.6 var(--font-body);
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   PRE-FOOTER CTA BAND — gradient full-width
   ============================================================ */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 96px) 0;
  text-align: center;
  background: linear-gradient(120deg, #0A2540 0%, #2E6BFF 45%, #8B5CF6 100%);
}
/* Orbs ánh sáng */
.cta-band::before, .cta-band::after {
  content: ""; position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
}
.cta-band::before {
  width: 380px; height: 380px;
  top: -160px; left: -100px;
  background: rgba(0, 217, 255, 0.35);
}
.cta-band::after {
  width: 420px; height: 420px;
  bottom: -200px; right: -120px;
  background: rgba(192, 132, 252, 0.35);
}
.cta-band__title {
  position: relative; z-index: 1;
  font: 800 clamp(1.7rem, 4.4vw, 2.8rem)/1.2 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--s3);
}
.cta-band__sub {
  position: relative; z-index: 1;
  font: 500 clamp(0.9rem, 2vw, 1.05rem)/1.6 var(--font-body);
  color: rgba(244, 246, 251, 0.85);
  margin-bottom: var(--s8);
}
.cta-band__btn {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 56px;
  padding: 18px 44px;
  border-radius: 14px;
  background: var(--text-primary);
  color: #0A1628;
  font: 800 clamp(0.95rem, 2vw, 1.1rem)/1.3 var(--font-display);
  letter-spacing: 0.02em;
  box-shadow: 0 16px 48px rgba(5, 5, 8, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: transform 250ms var(--ease-snap), box-shadow 250ms var(--ease-snap);
}
.cta-band__btn:hover { transform: translateY(-3px); box-shadow: 0 22px 60px rgba(5, 5, 8, 0.45); color: #0A1628; }

/* ============================================================
   FOOTER — 4 cột + watermark
   ============================================================ */
.footer {
  position: relative;
  overflow: hidden;
  padding: var(--s16) 0 calc(var(--s12) + 96px); /* chừa chỗ sticky CTA mobile */
  background: var(--bg-void);
}
/* Top border gradient */
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-hero);
  opacity: 0.6;
}
/* Watermark chữ khổng lồ */
.footer__watermark {
  position: absolute;
  bottom: -0.12em; left: 50%;
  transform: translateX(-50%);
  font: 800 clamp(88px, 15vw, 220px)/1 var(--font-display);
  letter-spacing: 0.06em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  color: transparent;
  background: linear-gradient(180deg, rgba(244, 246, 251, 0.055) 0%, rgba(244, 246, 251, 0.012) 72%, rgba(244, 246, 251, 0) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 16%, #000 84%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 16%, #000 84%, transparent 100%);
}
.footer .container { position: relative; z-index: 1; }
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s8);
  margin-bottom: var(--s12);
}

.footer h4 {
  font: 700 12px/1.4 var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin-bottom: var(--s4);
}

.footer ul { list-style: none; display: grid; gap: var(--s3); }

/* Tầng 2: dòng chính */
.f-main { display: block; font: 500 13.5px/1.55 var(--font-body); color: rgba(244, 246, 251, 0.88); }
a.f-main { display: inline; }

/* Tầng 3: dòng phụ */
.f-sub { display: block; font: 400 12.5px/1.6 var(--font-body); color: var(--text-muted); margin-top: 1px; }
.f-sub strong { color: var(--text-secondary); font-weight: 600; }

/* Dòng có icon */
.f-row { display: flex; align-items: flex-start; gap: 10px; }
.f-ic {
  width: 16px; height: 16px; flex-shrink: 0;
  margin-top: 2px;
  color: var(--electric);
  opacity: 0.75;
}

/* Cột brand */
.footer__brand { font: 800 1.1rem/1.4 var(--font-display); color: var(--text-primary); margin-bottom: var(--s2); }
.footer__tagline { font: 600 14px/1.6 var(--font-display); color: var(--text-secondary); margin-bottom: var(--s3); }
.footer__col--brand .f-sub { margin-top: var(--s1); }

/* Link thường trong footer: gạch chân gradient khi hover */
.footer__col a:not(.f-btn) {
  color: inherit;
  background-image: var(--grad-hero);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1.5px;
  transition: background-size 250ms var(--ease-snap), color 250ms var(--ease-soft);
  padding-bottom: 2px;
}
.footer__col a:not(.f-btn):hover { color: var(--text-primary); background-size: 100% 1.5px; }

/* Hotline: HERO của cột Liên hệ */
.f-label {
  font: 700 11px/1.4 var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--s2);
}
.f-hotline { display: grid; gap: 6px; margin-bottom: var(--s4); }
.f-hotline a {
  display: inline-flex; align-items: center; gap: 10px;
  font: 800 19px/1.25 var(--font-display);
  letter-spacing: 0.01em;
  color: var(--text-primary);
  background: none;
  transition: color 200ms var(--ease-soft);
}
.f-hotline a:hover { color: var(--electric); }
.f-hotline .f-ic { margin-top: 0; width: 17px; height: 17px; opacity: 1; }

/* Button pill */
.f-btn {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: var(--s4);
  padding: 8px 16px;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  font: 600 12.5px/1 var(--font-display);
  color: var(--text-secondary);
  transition: transform 200ms var(--ease-snap), border-color 200ms var(--ease-soft),
              color 200ms var(--ease-soft), background 200ms var(--ease-soft);
}
.f-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 217, 255, 0.45);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}
.f-btn .f-ic { margin-top: 0; width: 15px; height: 15px; }

.f-btn--primary {
  border-color: rgba(0, 217, 255, 0.30);
  background: linear-gradient(90deg, rgba(0, 217, 255, 0.10), rgba(139, 92, 246, 0.10));
  color: var(--text-primary);
}
.f-btn--primary:hover { border-color: rgba(0, 217, 255, 0.60); }

/* Bottom bar: 2 dòng */
.footer__bottom {
  padding-top: var(--s6);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  display: grid;
  gap: 6px;
}
.f-copy { font: 500 12.5px/1.6 var(--font-body); color: var(--text-muted); }
.f-tax { font: 400 11.5px/1.6 var(--font-body); color: rgba(244, 246, 251, 0.30); max-width: 560px; margin: 0 auto; }

/* ============================================================
   STICKY MOBILE CTA — 1 thanh duy nhất, ≤72px
   ============================================================ */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  display: flex; align-items: center; gap: var(--s3);
  max-height: 72px;
  padding: 10px 16px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  background: rgba(10, 10, 18, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-top: 1px solid var(--border-subtle);
  transform: translateY(110%);
  transition: transform var(--dur-med) var(--ease-out);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .mini-countdown {
  font: 700 15px/1.1 var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  min-width: 88px;
}
.sticky-cta .mini-countdown .label {
  display: block;
  font: 600 10px/1.4 var(--font-body);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted);
}
.sticky-cta.is-urgent .mini-countdown { color: var(--gold-light); }
.sticky-cta .btn-primary {
  flex: 1;
  min-height: 48px;
  padding: 14px 16px;
  font-size: 15px;
  border-radius: 12px;
}

/* ============================================================
   MODAL PHIẾU THU — biên nhận chính thức (giấy sáng)
   ============================================================ */
.receipt-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: flex-start; justify-content: center;
  padding: 20px;
  overflow-y: auto;
}
.receipt-overlay.is-open { display: flex; }

.receipt {
  width: min(460px, 100%);
  margin: auto 0;
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  box-shadow: 0 40px 100px rgba(5, 5, 8, 0.6);
  overflow: hidden;
  animation: receipt-in 450ms var(--ease-out);
  /* Răng cưa mép dưới như biên lai xé */
  clip-path: polygon(
    0 0, 100% 0, 100% calc(100% - 10px),
    97.5% 100%, 95% calc(100% - 10px), 92.5% 100%, 90% calc(100% - 10px),
    87.5% 100%, 85% calc(100% - 10px), 82.5% 100%, 80% calc(100% - 10px),
    77.5% 100%, 75% calc(100% - 10px), 72.5% 100%, 70% calc(100% - 10px),
    67.5% 100%, 65% calc(100% - 10px), 62.5% 100%, 60% calc(100% - 10px),
    57.5% 100%, 55% calc(100% - 10px), 52.5% 100%, 50% calc(100% - 10px),
    47.5% 100%, 45% calc(100% - 10px), 42.5% 100%, 40% calc(100% - 10px),
    37.5% 100%, 35% calc(100% - 10px), 32.5% 100%, 30% calc(100% - 10px),
    27.5% 100%, 25% calc(100% - 10px), 22.5% 100%, 20% calc(100% - 10px),
    17.5% 100%, 15% calc(100% - 10px), 12.5% 100%, 10% calc(100% - 10px),
    7.5% 100%, 5% calc(100% - 10px), 2.5% 100%, 0 calc(100% - 10px)
  );
}
@keyframes receipt-in {
  from { opacity: 0; transform: translateY(32px) scale(0.97); }
}

.receipt-head {
  padding: 18px 24px;
  background: #101018;
  color: var(--text-primary);
  display: flex; justify-content: space-between; align-items: center; gap: var(--s3);
}
.receipt-head .title { font: 700 14px/1.4 var(--font-display); letter-spacing: 0.06em; }
.receipt-head .code {
  font: 600 13px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--electric);
  letter-spacing: 0.04em;
}
.receipt-close {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: rgba(244, 246, 251, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex: 0 0 auto;
  transition: color var(--dur-fast) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft);
}
.receipt-close:hover { color: var(--text-primary); border-color: rgba(255, 255, 255, 0.5); }

.receipt-body { padding: 24px 24px 34px; }
.receipt-event {
  text-align: center;
  margin-bottom: var(--s4);
  padding-bottom: var(--s4);
  border-bottom: 1px dashed rgba(22, 24, 29, 0.2);
}
.receipt-event strong {
  display: block;
  font: 800 15px/1.4 var(--font-display);
  color: var(--ink);
  letter-spacing: 0.04em;
}
.receipt-event span { font: 400 12.5px/1.6 var(--font-body); color: rgba(22, 24, 29, 0.55); }

.receipt-row {
  display: flex; justify-content: space-between; gap: 16px;
  padding-block: 9px;
  border-bottom: 1px dashed rgba(22, 24, 29, 0.15);
  font-size: 13.5px;
}
.receipt-row .k { color: rgba(22, 24, 29, 0.55); flex: 0 0 auto; }
.receipt-row .v {
  font-weight: 600; text-align: right;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  color: var(--ink);
}
.receipt-total {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--s3);
  padding-top: 16px; margin-top: 6px;
  font: 800 19px/1.3 var(--font-display);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.receipt-status {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 100px;
  font: 700 12px/1.3 var(--font-display);
}
.receipt-status.pending { background: rgba(245, 158, 11, 0.15); color: #B45309; }
.receipt-thanks {
  margin-top: var(--s4);
  text-align: center;
  font: 400 12.5px/1.7 var(--font-body);
  color: rgba(22, 24, 29, 0.6);
}
.receipt-actions { display: flex; gap: var(--s3); margin-top: var(--s4); }
.receipt-actions button {
  flex: 1;
  padding: 13px 16px;
  border-radius: 12px;
  font: 700 13px/1.3 var(--font-display);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform var(--dur-fast) var(--ease-snap), box-shadow var(--dur-fast) var(--ease-snap);
}
.receipt-actions .r-print {
  border: 1.5px solid var(--ink);
  color: var(--ink);
  background: transparent;
}
.receipt-actions .r-print:hover { transform: translateY(-1px); }
.receipt-actions .r-done {
  background: #101018;
  color: var(--text-primary);
}
.receipt-actions .r-done:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(16, 16, 24, 0.3); }
.receipt-footer {
  margin-top: var(--s4);
  text-align: center;
  font: 500 10.5px/1.6 var(--font-body);
  letter-spacing: 0.04em;
  color: rgba(22, 24, 29, 0.45);
  text-transform: uppercase;
}

/* ============================================================
   THANH TOÁN TRONG PHIẾU THU — QR + copy + hóa đơn + gửi ảnh
   (ngữ cảnh giấy sáng — dùng màu mực)
   ============================================================ */
.pay { margin-top: var(--s4); }

.pay__step {
  font: 800 12px/1.5 var(--font-display);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink);
  padding-top: var(--s4);
  margin-bottom: var(--s3);
  border-top: 1px dashed rgba(22, 24, 29, 0.2);
}

.pay__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
  align-items: start;
}
@media (min-width: 480px) {
  .pay__grid { grid-template-columns: auto 1fr; }
}

.pay__qr {
  justify-self: center;
  padding: 8px;
  background: #FFFFFE;
  border: 1px solid rgba(22, 24, 29, 0.15);
  border-radius: 12px;
}
.pay__qr img { width: 240px; height: auto; border-radius: 6px; display: block; }

.pay__info { display: grid; gap: 0; align-content: start; min-width: 0; }
.pay__row {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;                 /* thiếu chỗ thì nút Copy xuống dòng, KHÔNG bẻ số */
  padding-block: 8px;
  border-bottom: 1px dashed rgba(22, 24, 29, 0.12);
  font-size: 13px;
}
.pay__row .k { color: rgba(22, 24, 29, 0.55); flex: 0 0 92px; }
.pay__row .v {
  font-weight: 600; color: var(--ink);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;         /* chỉ bẻ khi THỰC SỰ không đủ chỗ, không bẻ từng ký tự */
  min-width: 0;                    /* cho phép flex item co đúng nội dung, không sụp về 1 ký tự */
  flex: 1 1 120px;
}
.copy-btn {
  flex: 0 0 auto;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: 8px;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 700 11px/1 var(--font-display);
  letter-spacing: 0.04em;
  transition: background-color 250ms var(--ease-snap), color 250ms var(--ease-snap), transform 250ms var(--ease-snap);
}
.copy-btn:hover { background: var(--ink); color: var(--paper); }
.copy-btn:active { transform: scale(0.96); }
.copy-btn.copied { background: #047857; border-color: #047857; color: #FBFBF9; }

.pay__note {
  margin-top: var(--s3);
  font: 500 12px/1.6 var(--font-body);
  color: rgba(22, 24, 29, 0.6);
  text-align: center;
}

.pay__auto {
  margin-top: var(--s2);
  padding: 10px 14px;
  border-radius: 10px;
  font: 600 12.5px/1.6 var(--font-body);
  color: #047857;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(4, 120, 87, 0.3);
  text-align: center;
}

.pay__must {
  font: 700 12.5px/1.6 var(--font-body);
  color: #B45309;
  background: rgba(245, 158, 11, 0.1);
  border: 1px dashed rgba(180, 83, 9, 0.4);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: var(--s3);
}

.invoice-toggle {
  display: flex; align-items: center; gap: 10px;
  min-height: 44px;
  cursor: pointer;
  font: 600 13px/1.5 var(--font-body);
  color: var(--ink);
}
.invoice-toggle input { width: 18px; height: 18px; accent-color: #101018; cursor: pointer; }

.invoice-fields { display: grid; gap: 8px; margin: var(--s2) 0 var(--s3); }
.invoice-fields input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(22, 24, 29, 0.25);
  background: #FFFFFE;
  color: var(--ink);
  font: 400 14px/1.4 var(--font-body);
}
.invoice-fields input:focus {
  outline: none;
  border-color: #101018;
  box-shadow: 0 0 0 3px rgba(16, 16, 24, 0.12);
}
.invoice-note { font: 400 11.5px/1.6 var(--font-body); color: rgba(22, 24, 29, 0.55); }

.upload-zone {
  display: flex; flex-direction: column; align-items: center; gap: var(--s2);
  margin-top: var(--s3);
  padding: var(--s4);
  border: 2px dashed rgba(22, 24, 29, 0.3);
  border-radius: 12px;
  background: rgba(22, 24, 29, 0.03);
  cursor: pointer;
  text-align: center;
  transition: border-color 250ms var(--ease-snap), background-color 250ms var(--ease-snap);
}
.upload-zone:hover { border-color: #101018; background: rgba(22, 24, 29, 0.05); }
.upload-zone input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload-zone .upload-hint { font: 600 13px/1.5 var(--font-body); color: rgba(22, 24, 29, 0.6); }
#pay-preview { max-width: 100%; max-height: 220px; border-radius: 8px; border: 1px solid rgba(22, 24, 29, 0.15); }

/* Trạng thái chờ thanh toán realtime */
.pay-wait {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: var(--s3);
  padding: 10px 14px;
  border-radius: 10px;
  font: 600 13px/1.5 var(--font-body);
  color: #B45309;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-variant-numeric: tabular-nums;
}
.pulse-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #F59E0B;
  flex: 0 0 auto;
  animation: pay-pulse 1.6s var(--ease-soft) infinite;
}
@keyframes pay-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  50% { opacity: 0.55; box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
}

/* Khối dự phòng thu gọn */
.pay-backup-toggle {
  display: block;
  width: 100%;
  min-height: 44px;
  margin-top: var(--s4);
  font: 600 13px/1.5 var(--font-body);
  color: rgba(22, 24, 29, 0.55);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-align: center;
  transition: color 250ms var(--ease-soft);
}
.pay-backup-toggle:hover { color: var(--ink); }
.pay-backup { margin-top: var(--s2); }

/* Màn THANH TOÁN THÀNH CÔNG */
.pay-success { text-align: center; padding: var(--s4) 0 var(--s2); }
.ps-icon {
  width: 88px; height: 88px;
  margin: 0 auto var(--s4);
  animation: ps-pop 500ms var(--ease-out);
}
.ps-icon svg { width: 100%; height: 100%; }
.ps-circle {
  fill: rgba(16, 185, 129, 0.12);
  stroke: #059669; stroke-width: 2.5;
}
.ps-check {
  fill: none; stroke: #059669; stroke-width: 4;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 48; stroke-dashoffset: 48;
  animation: ps-draw 600ms var(--ease-out) 250ms forwards;
}
@keyframes ps-pop { 0% { transform: scale(0.4); opacity: 0; } 70% { transform: scale(1.08); } 100% { transform: scale(1); opacity: 1; } }
@keyframes ps-draw { to { stroke-dashoffset: 0; } }
.ps-title {
  font: 800 22px/1.3 var(--font-display);
  letter-spacing: 0.02em;
  color: #047857;
  margin-bottom: var(--s1);
}
.ps-sub { font: 500 14px/1.6 var(--font-body); color: rgba(22, 24, 29, 0.65); margin-bottom: var(--s4); }
.ps-summary { text-align: left; margin-bottom: var(--s6); }
.ps-zalo {
  display: block;
  width: 100%;
  padding: 16px 18px;
  border-radius: 12px;
  background: #0068FF;
  color: #FBFBF9;
  font: 700 14px/1.4 var(--font-display);
  letter-spacing: 0.02em;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 104, 255, 0.35);
  transition: transform 250ms var(--ease-snap), box-shadow 250ms var(--ease-snap);
}
.ps-zalo:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0, 104, 255, 0.45); color: #FBFBF9; }
.ps-zalo-lead { margin-bottom: var(--s2); font: 600 14px/1.6 var(--font-display); color: var(--ink); text-align: center; }
.ps-zalo-note { margin-top: var(--s2); font: 500 12px/1.6 var(--font-body); color: rgba(22, 24, 29, 0.6); }
.ps-email {
  margin-top: var(--s3);
  padding: 10px 14px;
  border-radius: 10px;
  font: 500 12.5px/1.6 var(--font-body);
  color: #047857;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(4, 120, 87, 0.3);
}
/* Khi đã thanh toán: chỉ hiện màn thành công */
.receipt.is-paid .receipt-body > *:not(.pay-success) { display: none !important; }

.pay-status {
  display: none;
  margin-top: var(--s3);
  padding: 10px 14px;
  border-radius: 10px;
  font: 500 13px/1.6 var(--font-body);
}
.pay-status.success {
  display: block;
  color: #047857;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(4, 120, 87, 0.35);
}
.pay-status.error {
  display: block;
  color: #B91C1C;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(185, 28, 28, 0.35);
}

.pay-send {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  min-height: 52px;
  margin-top: var(--s3);
  padding: 14px 18px;
  border-radius: 12px;
  background: #101018;
  color: var(--text-primary);
  font: 700 14px/1.3 var(--font-display);
  letter-spacing: 0.04em;
  transition: transform 250ms var(--ease-snap), box-shadow 250ms var(--ease-snap), opacity 250ms var(--ease-snap);
}
.pay-send:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(16, 16, 24, 0.3); }
.pay-send:disabled { opacity: 0.6; pointer-events: none; }

/* ============================================================
   USP — quảng cáo chính thống có hóa đơn VAT
   ============================================================ */
.pillar-usp {
  margin-top: var(--s2);
  padding-top: var(--s3) !important;
  border-top: 1px dashed var(--border-strong);
  color: var(--text-primary) !important;
  font-weight: 600 !important;
}
.pillar-usp::before { color: var(--electric) !important; }

.usp-box {
  max-width: 760px;
  margin: var(--s6) auto 0;
  padding: var(--s6) var(--s8);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.08), rgba(46, 107, 255, 0.08));
  border: 1px solid rgba(0, 217, 255, 0.3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  text-align: center;
}
.usp-box__title {
  font: 800 clamp(1.05rem, 2.4vw, 1.3rem)/1.4 var(--font-display);
  margin-bottom: var(--s3);
  background: var(--grad-hero);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.usp-box__body { font: 400 14.5px/1.75 var(--font-body); color: var(--text-secondary); }
.usp-box__body strong { color: var(--text-primary); font-weight: 600; }

/* ============================================================
   PULL-QUOTE — tagline module đinh
   ============================================================ */
.quote-block { position: relative; }
.quote-block .container { position: relative; }
.quote-mark {
  position: absolute;
  top: -0.45em; left: 50%;
  transform: translateX(-50%);
  font: 800 clamp(120px, 18vw, 200px)/1 var(--font-display);
  color: rgba(244, 246, 251, 0.05);
  pointer-events: none;
  user-select: none;
}
.quote-line {
  position: relative;
  font: 800 clamp(1.6rem, 4vw, 2.4rem)/1.3 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--s2);
}
.quote-punch {
  position: relative;
  font: 800 clamp(2.2rem, 6vw, 3.6rem)/1.2 var(--font-display);
  letter-spacing: -0.03em;
  margin-bottom: var(--s6);
}
.quote-attr {
  font: 600 13px/1.5 var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Badge module đinh trong agenda */
.agenda-item__badge {
  display: inline-block;
  margin-left: 8px;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--grad-cta);
  font: 800 9.5px/1.3 var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  vertical-align: 2px;
  white-space: nowrap;
}

/* ============================================================
   SCROLL REVEAL — chạy 1 lần
   ============================================================ */
/* Chỉ ẩn khi có JS (html.js) — không JS/crawler vẫn thấy đủ nội dung */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
html.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .hero [data-reveal] { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE — ≥768px
   ============================================================ */
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); gap: var(--s4); }
  .pain-card { padding: var(--s6); }
  .pain-card__text { font-size: 15px; }

  .pillar-grid { grid-template-columns: repeat(2, 1fr); }

  .speaker-track {
    grid-auto-flow: row;
    grid-auto-columns: unset;
    grid-template-columns: repeat(3, 1fr);
    overflow-x: visible;
    scroll-snap-type: none;
  }

  .pledge-grid { grid-template-columns: repeat(3, 1fr); }

  .pricing-grid { grid-template-columns: repeat(3, 1fr); }

  .field-row { grid-template-columns: 1fr 1fr; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--s8); }
  .footer__col--brand { grid-column: 1 / -1; }
  .footer__col--brand .footer__tagline br { display: none; }
  .footer { padding-bottom: var(--s12); }

  .compare-tabs { display: none; } /* desktop hiện đủ 3 cột */
}

/* Mobile: bảng so sánh dạng tab — ẩn cột không active */
@media (max-width: 767.98px) {
  /* Footer mobile: Brand -> Liên hệ -> Sự kiện -> Pháp lý (hotline là kênh chốt) */
  .footer__col--brand { order: 1; }
  .footer__col:nth-child(3) { order: 2; }
  .footer__col:nth-child(2) { order: 3; }
  .footer__col:nth-child(4) { order: 4; }

  /* Topbar gọn: ẩn wordmark (đã có ở hero/sứ mệnh/footer), siết khoảng cách */
  .topbar { gap: var(--s2); row-gap: 6px; padding: 6px 10px; }
  .topbar .brand { display: none; }
  .topbar__label { font-size: 11px; width: 100%; text-align: center; }

  /* 5 tab trên màn hẹp: siết padding/chữ để vừa 2 hàng, không tràn ngang. */
  .compare-tabs { gap: 6px; }
  .compare-tab { padding: 10px 14px; font-size: 12px; }

  /* Mobile: chỉ hiện cột của hạng vé đang chọn (5 hạng: flash → empire).
     Ẩn hết trước, rồi bật lại đúng cột active — tránh sót hạng như bản cũ. */
  .compare-wrap[data-tier] .h-flash,   .compare-wrap[data-tier] .t-flash,
  .compare-wrap[data-tier] .h-starter, .compare-wrap[data-tier] .t-starter,
  .compare-wrap[data-tier] .h-business,.compare-wrap[data-tier] .t-business,
  .compare-wrap[data-tier] .h-vip,     .compare-wrap[data-tier] .t-vip,
  .compare-wrap[data-tier] .h-empire,  .compare-wrap[data-tier] .t-empire { display: none; }

  .compare-wrap[data-tier="flash"] .h-flash,       .compare-wrap[data-tier="flash"] .t-flash,
  .compare-wrap[data-tier="starter"] .h-starter,   .compare-wrap[data-tier="starter"] .t-starter,
  .compare-wrap[data-tier="business"] .h-business, .compare-wrap[data-tier="business"] .t-business,
  .compare-wrap[data-tier="vip"] .h-vip,           .compare-wrap[data-tier="vip"] .t-vip,
  .compare-wrap[data-tier="empire"] .h-empire,     .compare-wrap[data-tier="empire"] .t-empire { display: table-cell; }

  /* Mobile: Business hiện trước → Empire → Starter */
  .card-business { order: 1; }
  .card-empire { order: 2; }
  .card-starter { order: 3; }

  /* Empire: thu gọn quyền lợi, card không cao quá 1.5 màn hình */
  .card-empire .card-extra { display: none; }
  .card-empire.is-expanded .card-extra { display: block; }
  .card-empire .card-extra-toggle { display: block; }
}

/* ============================================================
   RESPONSIVE — ≥1024px
   ============================================================ */
@media (min-width: 1024px) {
  .sticky-cta { display: none; }

  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s8); }
  .footer__col--brand { grid-column: auto; }
  .footer__col--brand .footer__tagline br { display: inline; }

  .pricing-grid { grid-template-columns: 1fr 1.12fr 1fr; }
  .card-starter, .card-empire { transform: translateY(14px); }
  .card-starter:hover, .card-empire:hover { transform: translateY(8px); }
}

/* ============================================================
   RESPONSIVE — ≥1200px
   ============================================================ */
@media (min-width: 1200px) {
  .pillar-grid { grid-template-columns: repeat(3, 1fr); }
  .pain-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   COMPONENT BỔ SUNG — visual, story, agenda, reasons, poster
   ============================================================ */

/* Social proof strip (hero) */
.proof-strip {
  font: 500 13px/1.6 var(--font-body);
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-bottom: var(--s8);
}
.proof-strip strong {
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

/* Hero visual — mockup dashboard */
.hero-visual {
  max-width: 720px;
  margin: 0 auto var(--s6);
  border-radius: 20px;
  filter: drop-shadow(0 24px 64px rgba(46, 107, 255, 0.18));
}
.hero-visual svg { width: 100%; height: auto; }

/* Sơ đồ network (Big Promise) */
.promise-network { max-width: 640px; margin: 0 auto var(--s8); }
.promise-network svg { width: 100%; height: auto; }

/* Icon minh họa trụ cột */
.icon-box--art { width: 64px; height: 64px; border-radius: 14px; }
.icon-box--art .art {
  width: 40px; height: 40px;
  stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
  fill: none;
}
.icon-box--art .art-accent { opacity: 0.55; }

/* Poster sự kiện */
.poster-figure {
  max-width: 880px;
  margin: var(--s12) auto 0;
}
.poster-figure img {
  width: 100%; height: auto;
  border-radius: 20px;
  border: 1px solid rgba(0, 217, 255, 0.25);
  box-shadow: 0 24px 64px rgba(5, 5, 8, 0.6), 0 0 60px rgba(139, 92, 246, 0.12);
}
.poster-figure figcaption {
  margin-top: var(--s3);
  text-align: center;
  font: 600 13px/1.5 var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Câu chuyện — timeline dọc */
.story-timeline {
  position: relative;
  display: grid; gap: var(--s6);
  padding-left: 28px;
}
.story-timeline::before {
  content: ""; position: absolute;
  left: 7px; top: 10px; bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.5), rgba(139, 92, 246, 0.5));
  border-radius: 2px;
}
.story-step { position: relative; }
.story-dot {
  position: absolute; left: -28px; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 2px solid var(--electric);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.4);
}
.story-dot--end { border-color: var(--ai-purple-light); box-shadow: 0 0 12px rgba(192, 132, 252, 0.5); }
.story-step p { font: 400 15px/1.8 var(--font-body); color: var(--text-secondary); }
.story-step p strong { color: var(--text-primary); font-weight: 600; }
.story-sign {
  margin-top: var(--s8);
  text-align: right;
  font: 600 14px/1.5 var(--font-display);
  color: var(--text-muted);
  font-style: italic;
}

/* Future pacing — khoảng lặng */
.future {
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(139, 92, 246, 0.12), transparent 70%),
    var(--bg-void);
}
.future__text {
  font: 600 clamp(1.1rem, 2.6vw, 1.5rem)/2 var(--font-display);
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}
.future__text strong { color: var(--text-primary); font-variant-numeric: tabular-nums; }

/* Stats bar (diễn giả) */
.stats-grid--bar {
  padding: var(--s6) var(--s4);
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  margin-bottom: var(--s8);
}

/* Ảnh chân dung diễn giả thật — nằm gọn trong ring gradient */
.speaker-card__photo {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.speaker-card {
  background:
    radial-gradient(circle at 85% 12%, rgba(0, 217, 255, 0.07), transparent 45%),
    radial-gradient(circle at 12% 90%, rgba(139, 92, 246, 0.08), transparent 45%),
    var(--bg-card);
}
.speaker-card__bio {
  font: 400 13px/1.65 var(--font-body);
  color: var(--text-muted);
  min-height: calc(3 * 1.65em);    /* khóa 3 dòng */
  margin-bottom: 16px;             /* bio→chủ đề tối thiểu 16px */
}

/* Agenda timeline */
.agenda-list {
  position: relative;
  list-style: none;
  display: grid; gap: var(--s4);
  padding-left: 28px;
  margin-bottom: var(--s6);
}
.agenda-list::before {
  content: ""; position: absolute;
  left: 7px; top: 16px; bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.5), rgba(139, 92, 246, 0.5));
  border-radius: 2px;
}
.agenda-item {
  position: relative;
  padding: var(--s4) var(--s6);
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.agenda-item:hover { border-color: var(--border-strong); transform: translateX(4px); }
.agenda-item::before {
  content: ""; position: absolute;
  left: -28px; top: 22px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 2px solid transparent;
  background:
    linear-gradient(var(--bg-raised), var(--bg-raised)) padding-box,
    var(--grad-hero) border-box;
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.35);
}
.agenda-item__time {
  font: 700 12px/1.4 var(--font-display);
  letter-spacing: 0.08em;
  color: var(--electric);
  font-variant-numeric: tabular-nums;
}
.agenda-item__title { font: 700 15px/1.5 var(--font-display); color: var(--text-primary); margin: 2px 0; }
.agenda-item__desc { font: 400 13.5px/1.65 var(--font-body); color: var(--text-secondary); }
.agenda-note {
  text-align: center;
  font: 400 12.5px/1.6 var(--font-body);
  color: var(--text-muted);
}

/* 10 lý do */
.reasons-grid {
  list-style: none;
  display: grid; grid-template-columns: 1fr;
  gap: var(--s3);
  max-width: 880px;
  margin-inline: auto;
}
.reasons-grid li {
  display: flex; gap: var(--s3); align-items: flex-start;
  padding: var(--s3) var(--s4);
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font: 400 14.5px/1.6 var(--font-body);
  color: var(--text-secondary);
  transition: border-color var(--dur-fast) var(--ease-soft);
}
.reasons-grid li:hover { border-color: rgba(0, 217, 255, 0.35); }
.reasons-grid .ic--sm {
  margin-top: 4px;
  color: var(--electric);
  stroke-width: 2.5;
}

/* Giá gạch: nhãn "giá sau deadline" */
.price-anchor .tag {
  display: inline-block;
  margin-left: 6px;
  font: 600 10.5px/1.4 var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-muted);
}
.price-anchor del { text-decoration: line-through; text-decoration-color: rgba(244, 246, 251, 0.35); }

/* Dòng hoàn tiền trong card vé */
.vs-row--refund .ic--sm { color: var(--electric); }
.card-empire .vs-row--refund .ic--sm { color: var(--gold-light); }
.vs-row--refund .vs-row__label { color: var(--text-secondary); font-weight: 500; }

@media (min-width: 768px) {
  .reasons-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   SỨ MỆNH — SOLOBIZ.COM (trang trọng, gradient nhẹ)
   ============================================================ */
.mission {
  background:
    radial-gradient(ellipse 70% 90% at 50% 0%, rgba(46, 107, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 80% at 50% 110%, rgba(139, 92, 246, 0.10), transparent 60%),
    var(--bg-base);
}
.mission__brand {
  font: 800 clamp(20px, 3vw, 28px)/1 var(--font-display);
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: var(--s4);
}
.mission__text {
  font: 400 clamp(1rem, 2.2vw, 1.2rem)/1.9 var(--font-body);
  color: var(--text-secondary);
  margin-bottom: var(--s6);
}
.mission__text strong { color: var(--text-primary); font-weight: 600; }
.mission__text--em {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  color: var(--text-primary);
}
.mission__sign {
  font: 600 14px/1.5 var(--font-display);
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ============================================================
   KHỐI THÔNG TIN SỰ KIỆN (gần form) — địa điểm + bản đồ + gửi xe
   ============================================================ */
.event-info {
  max-width: 640px;
  margin: 0 auto var(--s6);
  padding: var(--s4) var(--s6);
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  text-align: center;
}
.event-info__row { font: 400 14.5px/1.7 var(--font-body); color: var(--text-secondary); }
.event-info__row strong { font-family: var(--font-display); font-weight: 700; color: var(--text-primary); }
.event-info__note { font-size: 13px; color: var(--text-muted); margin-top: var(--s1); }
.event-info__map {
  margin-top: var(--s3);
  padding: 10px 22px;
  font-size: 13px;
  min-height: 44px;
}

/* Số vé còn lại trong card */
.card-left {
  margin-top: var(--s1);
  font: 600 12.5px/1.5 var(--font-body);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.card-left span { color: var(--text-secondary); }

/* Caption countdown lớn */
.big-countdown__caption {
  text-align: center;
  font: 800 13px/1.4 var(--font-display);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--s3);
}

/* Agenda 2 ngày */
.agenda-days { display: grid; grid-template-columns: 1fr; gap: var(--s8); margin-bottom: var(--s6); }
.agenda-day__title {
  font: 800 15px/1.4 var(--font-display);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-primary);
  padding: var(--s2) var(--s4);
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(0, 217, 255, 0.12), rgba(139, 92, 246, 0.12));
  border: 1px solid rgba(0, 217, 255, 0.2);
  display: inline-block;
  margin-bottom: var(--s4);
}

/* Chính sách trên phiếu thu + footer */
.receipt-policy {
  margin-top: var(--s2);
  text-align: center;
  font: 600 11.5px/1.6 var(--font-body);
  color: #B45309;
}
.footer__policy {
  padding: var(--s4) 0;
  border-top: 1px solid var(--border-subtle);
  font: 400 12.5px/1.7 var(--font-body);
  color: var(--text-muted);
  text-align: center;
}
.footer__policy strong { color: var(--text-secondary); }

/* ============================================================
   TABLET 768–1023px — KHÔNG phải mobile phóng to
   ============================================================ */
@media (min-width: 768px) and (max-width: 1023.98px) {
  /* Pricing 2+1: Business full-width trên, Starter + Empire dưới */
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .card-business { grid-column: 1 / -1; order: 0; }
  .card-starter { order: 1; }
  .card-empire { order: 2; }

  .agenda-days { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .agenda-days { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   PRINT — chỉ in phiếu thu
   ============================================================ */
@media print {
  body > *:not(.receipt-overlay) { display: none !important; }
  body { background: var(--paper); }
  body::after { display: none; }

  .receipt-overlay {
    position: static;
    display: block !important;
    padding: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow: visible;
  }
  .receipt {
    width: 100%;
    box-shadow: none;
    animation: none;
    clip-path: none;
    border: 1px solid rgba(22, 24, 29, 0.25);
  }
  .receipt-close, .receipt-actions { display: none !important; }

  /* Khối thanh toán khi in: giữ QR + bảng CK, ẩn upload/hóa đơn/nút */
  .upload-zone, .pay-send, .pay-status, .invoice-toggle, .invoice-fields,
  .copy-btn, .pay__must, .pay-wait, .pay-backup-toggle, .pay-backup { display: none !important; }
  .pay__auto { border-color: rgba(4, 120, 87, 0.5); }
  .pay__qr { border-color: rgba(22, 24, 29, 0.35); }
}

/* ============================================================
   DESKTOP LỚN — co giãn hài hòa mọi kích thước màn hình
   (1440 / 1680 / 1920 / 2K / 4K: nội dung nở theo, không "ốm"
   giữa hai mép trống; chữ nền tảng tăng nhẹ để giữ tỷ lệ đọc)
   ============================================================ */
@media (min-width: 1600px) {
  .container { max-width: 1280px; }
  body { font-size: 18px; }
}
@media (min-width: 2200px) {
  .container { max-width: 1440px; }
  body { font-size: 19px; }
  .container--narrow { max-width: 820px; }
}

/* ============================================================
   VÉ ĐIỆN TỬ — khối vé trong màn THANH TOÁN THÀNH CÔNG
   (canvas 1500x600 co giãn responsive, border gradient theo hạng)
   ============================================================ */
.ps-ticket { margin: var(--s6) 0 var(--s6); text-align: center; }

.ps-ticket__title {
  font: 800 15px/1.4 var(--font-display);
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: var(--s3);
}

.ps-ticket__frame {
  border-radius: 16px;
  padding: 3px; /* viền gradient bọc canvas */
  background: linear-gradient(135deg, #00D9FF, #2E6BFF);
  box-shadow: 0 10px 30px rgba(46, 107, 255, 0.28);
}
.ps-ticket[data-tier="business"] .ps-ticket__frame {
  background: linear-gradient(135deg, #00D9FF, #2E6BFF 40%, #8B5CF6 78%, #C084FC);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.32);
}
.ps-ticket[data-tier="empire"] .ps-ticket__frame {
  background: linear-gradient(135deg, #F59E0B, #FBBF24 55%, #B45309);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.34);
}

.ps-ticket__frame canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 13px;
  background: #0A0A12;
}

.ps-ticket__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  justify-content: center;
  margin-top: var(--s4);
}

.ps-ticket__dl {
  flex: 1 1 100%;
  padding: 15px 18px;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font: 800 15px/1.3 var(--font-display);
  letter-spacing: 0.03em;
  color: #FBFBF9;
  background: var(--grad-cta);
  box-shadow: 0 8px 24px rgba(46, 107, 255, 0.35);
  transition: transform 250ms var(--ease-snap), box-shadow 250ms var(--ease-snap);
}
.ps-ticket__dl:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(139, 92, 246, 0.42); }
.ps-ticket[data-tier="empire"] .ps-ticket__dl {
  color: #16130A;
  background: var(--grad-gold);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
}

.ps-ticket__photo,
.ps-ticket__print,
.ps-ticket__share {
  flex: 1 1 auto;
  display: inline-block;
  padding: 12px 16px;
  border: 1.5px solid rgba(22, 24, 29, 0.22);
  border-radius: 12px;
  cursor: pointer;
  font: 700 13px/1.3 var(--font-display);
  letter-spacing: 0.02em;
  color: var(--ink);
  background: transparent;
  transition: border-color 180ms var(--ease-soft), background 180ms var(--ease-soft);
}
.ps-ticket__photo:hover,
.ps-ticket__print:hover,
.ps-ticket__share:hover { border-color: rgba(22, 24, 29, 0.45); background: rgba(22, 24, 29, 0.04); }

.ps-ticket__privacy,
.ps-ticket__note,
.ps-ticket__brag,
.ps-ticket__ios {
  margin-top: var(--s2);
  font: 500 12px/1.6 var(--font-body);
  color: rgba(22, 24, 29, 0.6);
}
.ps-ticket__note { font-weight: 600; color: rgba(22, 24, 29, 0.75); }
.ps-ticket__brag { font-weight: 600; color: #2E6BFF; }
.ps-ticket__ios {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.12);
  color: #92400E;
}

@media print {
  .ps-ticket__actions, .ps-ticket__privacy, .ps-ticket__brag, .ps-ticket__ios { display: none !important; }
  .ps-ticket__frame { box-shadow: none; }
}

/* Ghi chú nhóm Zalo trong footer (nhóm chỉ dành cho khách đã thanh toán) */
.f-note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-muted, rgba(244,246,251,0.45));
  max-width: 240px;
}