/* =========================================================
   LIFE COACH TỬ VI HOÀNG ĐÔNG PHÁI — Mentor Nguyễn Hoàng Ân
   Design System: Trí tuệ phương Đông trong ngôn ngữ hiện đại.
   Deep Navy + Cream + Champagne Gold, điểm nhấn Jade rất nhạt.
   ========================================================= */
:root {
  --navy: #081422;         /* Xanh đen sâu */
  --navy-soft: #102A42;    /* Navy nhạt hơn, dùng cho bề mặt card tối */
  --navy-line: #1B3A5C;
  --cream: #F7F3EA;        /* Trắng kem */
  --ivory: #FBF8F2;
  --gold: #B8935A;         /* Vàng đồng */
  --gold-soft: #D8BB86;    /* Champagne */
  --gold-pale: #EEDFC2;
  --jade: #3E7A6B;         /* Xanh ngọc rất nhạt — dùng cực hạn chế */
  --jade-pale: #E7EFEA;
  --ink: #1C2430;
  --ink-soft: #5B6472;

  --rule: rgba(8, 20, 34, 0.10);
  --rule-on-navy: rgba(247, 243, 234, 0.14);

  --shadow-sm: 0 1px 2px rgba(8, 20, 34, 0.06), 0 2px 10px rgba(8, 20, 34, 0.06);
  --shadow-md: 0 10px 30px rgba(8, 20, 34, 0.10);
  --shadow-lg: 0 26px 64px rgba(8, 20, 34, 0.20);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --serif: "Playfair Display", "Georgia", "Times New Roman", serif;
  --sans: "Manrope", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;

  --header-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; color: var(--navy); margin: 0; letter-spacing: -0.01em; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.wrap-mid { max-width: 980px; margin: 0 auto; padding: 0 20px; }
.wrap-wide { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.center { text-align: center; }

.eyebrow {
  font-size: 12px; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px;
}
.eyebrow.on-navy { color: var(--gold-soft); }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(26px, 5.4vw, 38px); line-height: 1.28; }
.section-head .lede { margin-top: 16px; font-size: 16px; color: var(--ink-soft); line-height: 1.8; }
.section-head.on-navy h2 { color: var(--cream); }
.section-head.on-navy .lede { color: rgba(247,243,234,0.72); }

section { padding: 92px 0; }
@media (max-width: 640px) { section { padding: 60px 0; } }

/* ---------- REVEAL ON SCROLL ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-seq > * { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal-seq.is-visible > * { opacity: 1; transform: none; }
.reveal-seq.is-visible > *:nth-child(1) { transition-delay: .02s; }
.reveal-seq.is-visible > *:nth-child(2) { transition-delay: .08s; }
.reveal-seq.is-visible > *:nth-child(3) { transition-delay: .14s; }
.reveal-seq.is-visible > *:nth-child(4) { transition-delay: .20s; }
.reveal-seq.is-visible > *:nth-child(5) { transition-delay: .26s; }
.reveal-seq.is-visible > *:nth-child(6) { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .reveal, .reveal-seq > * { opacity: 1; transform: none; } }

/* ---------- DECORATIVE SVG — Âm Dương / vòng tròn vận hành ---------- */
.decor { position: absolute; pointer-events: none; z-index: 0; opacity: 0.06; }
.decor.on-navy { opacity: 0.13; }
.decor-ring { color: var(--navy); }
.decor-ring.on-navy { color: var(--gold-soft); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 14.5px; font-weight: 700; letter-spacing: 0.02em; padding: 16px 30px; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer; min-height: 52px; line-height: 1.2;
  text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, filter .15s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.btn-gold { background: linear-gradient(100deg, var(--gold), var(--gold-soft)); color: #241a08; box-shadow: var(--shadow-sm); }
.btn-gold:hover { box-shadow: var(--shadow-md); filter: brightness(1.03); }
.btn-navy { background: var(--navy); color: var(--cream); box-shadow: var(--shadow-sm); }
.btn-navy:hover { background: var(--navy-soft); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--cream); }
.btn-outline.on-navy { color: var(--cream); border-color: rgba(247,243,234,0.5); }
.btn-outline.on-navy:hover { background: var(--cream); color: var(--navy); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.55; cursor: default; }
.btn .spinner { width: 16px; height: 16px; border-radius: 999px; border: 2px solid rgba(36,26,8,0.25); border-top-color: #241a08; animation: lc-spin .7s linear infinite; }
@keyframes lc-spin { to { transform: rotate(360deg); } }

/* ---------- HEADER ---------- */
header.site {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgba(251, 248, 242, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: center;
}
.navbar { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 40px; height: 40px; border-radius: 10px; flex: none; background: linear-gradient(135deg, var(--navy), var(--navy-soft)); display: flex; align-items: center; justify-content: center; color: var(--gold-soft); }
.brand-name { font-family: var(--serif); font-size: 14.5px; font-weight: 700; color: var(--navy); line-height: 1.25; }
.brand-tag { font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }

.nav-links { display: none; align-items: center; gap: 22px; }
.nav-links a { font-size: 13.5px; font-weight: 600; color: var(--ink); text-decoration: none; position: relative; padding: 4px 0; }
.nav-links a:hover { color: var(--gold); }
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--gold); border-radius: 2px; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-cta { display: none; }
@media (min-width: 1080px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}
.nav-toggle {
  width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--rule); background: var(--ivory);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; color: var(--navy); }
.mobile-menu {
  position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; z-index: 99;
  background: var(--ivory); padding: 28px 24px; overflow-y: auto;
  transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease;
}
.mobile-menu[data-open] { opacity: 1; transform: none; pointer-events: auto; }
.mobile-menu a { display: block; padding: 16px 4px; font-size: 17px; font-weight: 700; color: var(--navy); text-decoration: none; border-bottom: 1px solid var(--rule); }
.mobile-menu .btn { margin-top: 22px; }

/* ---------- HERO ---------- */
.hero { position: relative; overflow: hidden; padding: 64px 0 76px; background: var(--ivory); }
.hero-grid { position: relative; z-index: 1; display: grid; gap: 46px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 64px; } }
.hero h1 { font-size: clamp(30px, 4.6vw, 46px); line-height: 1.16; margin: 10px 0 20px; }
.hero .message { font-family: var(--serif); font-style: italic; font-size: clamp(16px, 2.6vw, 18.5px); color: var(--navy); line-height: 1.7; margin-bottom: 22px; max-width: 54ch; text-align: justify; }
.hero .supporting { font-size: 15px; color: var(--ink-soft); line-height: 1.9; max-width: 56ch; margin-bottom: 30px; text-align: justify; }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 6px; }
.hero-sub { font-size: clamp(14.5px, 2.4vw, 16.5px); font-weight: 700; color: var(--gold); letter-spacing: 0.01em; line-height: 1.65; margin-bottom: 20px; }
.hero-class-card {
  display: flex; align-items: center; gap: 16px; background: var(--gold-pale); border-radius: var(--radius-lg);
  padding: 16px 20px; margin-bottom: 26px; max-width: 460px;
}
.hero-class-card .ring { width: 42px; height: 42px; border-radius: 999px; background: var(--ivory); color: var(--gold); display: flex; align-items: center; justify-content: center; flex: none; }
.hero-class-card .name { font-family: var(--serif); font-weight: 700; font-size: 14.5px; color: var(--navy); }
.hero-class-card .time { font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }

.hero-portrait { position: relative; }
.hero-portrait .frame {
  position: relative; z-index: 1; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5; background: linear-gradient(160deg, var(--navy-soft), var(--navy));
}
.hero-portrait .frame img { width: 100%; height: 100%; object-fit: contain; }
.hero-portrait .ring-badge {
  position: absolute; right: -20px; bottom: -20px; width: 112px; height: 112px; z-index: 2;
  background: var(--ivory); border-radius: 999px; box-shadow: var(--shadow-md); padding: 14px;
}
@media (max-width: 500px) { .hero-portrait .ring-badge { width: 84px; height: 84px; right: -10px; bottom: -10px; padding: 10px; } }

/* ---------- CÂU HỎI CUỘC ĐỜI ---------- */
.questions-section { background: var(--cream); }
.questions-lead h2 { font-size: clamp(26px, 5.6vw, 38px); text-align: center; max-width: 780px; margin: 0 auto 52px; line-height: 1.32; }
.questions-list { display: flex; flex-direction: column; gap: 14px; max-width: 780px; margin: 0 auto 52px; }
.question-card { background: var(--ivory); border: 1px solid var(--rule); border-radius: var(--radius-lg); padding: 24px 28px; box-shadow: var(--shadow-sm); }
.question-card p { font-family: var(--serif); font-style: italic; font-size: 16.5px; line-height: 1.6; color: var(--navy); text-align: justify; }
.questions-bridge { text-align: center; max-width: 680px; margin: 0 auto; }
.questions-bridge .ask { font-family: var(--serif); font-weight: 700; font-size: clamp(19px, 4vw, 24px); color: var(--navy); line-height: 1.6; margin-bottom: 20px; }
.questions-bridge .answer { font-size: 15px; color: var(--gold); font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- 5 TRIẾT LÝ (component signature) ---------- */
.philosophy-section { background: var(--navy); color: var(--cream); position: relative; overflow: hidden; }
.philosophy-grid { display: grid; gap: 20px; position: relative; z-index: 1; }
@media (min-width: 760px) { .philosophy-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1140px) { .philosophy-grid { grid-template-columns: repeat(3, 1fr); } }
.philosophy-card {
  background: rgba(247,243,234,0.04); border: 1px solid var(--rule-on-navy); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.philosophy-card:hover { transform: translateY(-4px); background: rgba(247,243,234,0.07); border-color: rgba(216,187,134,0.4); }
.philosophy-card .num { font-family: var(--serif); font-size: 15px; font-weight: 700; color: var(--gold-soft); margin-bottom: 14px; }
.philosophy-card h3 { color: var(--cream); font-size: 18.5px; line-height: 1.4; margin-bottom: 14px; }
.philosophy-card p.body { font-size: 14px; color: rgba(247,243,234,0.75); line-height: 1.8; margin-bottom: 16px; text-align: justify; }
.philosophy-card ul.apps { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.philosophy-card ul.apps li { font-size: 11.5px; color: rgba(247,243,234,0.8); background: rgba(247,243,234,0.08); border-radius: 999px; padding: 5px 11px; }
.philosophy-card .flow-mini { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.philosophy-card .flow-mini span { font-size: 11px; font-weight: 800; letter-spacing: 0.03em; text-transform: uppercase; color: var(--navy); background: var(--gold-soft); border-radius: 999px; padding: 6px 12px; }
.philosophy-card .highlight { font-family: var(--serif); font-weight: 700; font-style: italic; font-size: 14.5px; color: var(--gold-soft); line-height: 1.6; padding-top: 14px; border-top: 1px solid var(--rule-on-navy); }
.philosophy-card .principle-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.philosophy-card .principle-list li { font-size: 13px; color: rgba(247,243,234,0.75); line-height: 1.6; }
.philosophy-card .principle-list li strong { display: block; color: var(--gold-soft); font-size: 13.5px; margin-bottom: 2px; }
.philosophy-card .principle-formula-label { font-size: 11px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(247,243,234,0.55); margin-bottom: 10px; }

/* ---------- MÔ HÌNH 5H (component signature — visual chính) ---------- */
.model5h-section { background: var(--ivory); }
.model5h-flow { display: flex; flex-direction: column; align-items: stretch; gap: 0; max-width: 900px; margin: 0 auto 48px; }
@media (min-width: 900px) { .model5h-flow { flex-direction: row; align-items: center; } }
.model5h-node { flex: 1; background: var(--navy); color: var(--cream); border-radius: var(--radius-lg); padding: 28px 22px; text-align: center; box-shadow: var(--shadow-md); position: relative; }
.model5h-node.is-final { background: linear-gradient(155deg, var(--gold), var(--gold-soft)); color: #241a08; }
.model5h-node .letter { font-family: var(--serif); font-weight: 800; font-size: 30px; color: var(--gold-soft); margin-bottom: 10px; }
.model5h-node.is-final .letter { color: #241a08; }
.model5h-node .label { font-weight: 800; font-size: 14.5px; letter-spacing: 0.04em; margin-bottom: 8px; }
.model5h-node .q { font-family: var(--serif); font-style: italic; font-size: 13.5px; opacity: 0.85; }
.model5h-arrow { display: flex; align-items: center; justify-content: center; color: var(--gold); flex: none; padding: 10px 0; }
@media (min-width: 900px) { .model5h-arrow { padding: 0 6px; } }
.model5h-arrow svg { width: 22px; height: 22px; }
@media (min-width: 900px) { .model5h-arrow svg { transform: rotate(-90deg); } }
.model5h-summary { max-width: 720px; margin: 0 auto; text-align: center; display: flex; flex-direction: column; gap: 10px; }
.model5h-summary p { font-family: var(--serif); font-size: 16px; color: var(--navy); line-height: 1.7; }
.model5h-summary p strong { color: var(--gold); }

/* ---------- TỪ LÁ SỐ ĐẾN BẢN ĐỒ CUỘC ĐỜI (4 tầng, component signature) ---------- */
.lifemap-section { background: var(--navy); color: var(--cream); position: relative; overflow: hidden; }
.lifemap-layers { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.lifemap-layer { display: grid; grid-template-columns: 64px 1fr; gap: 20px; background: rgba(247,243,234,0.04); border: 1px solid var(--rule-on-navy); border-radius: var(--radius-lg); padding: 24px; }
.lifemap-layer .ring-num { width: 64px; height: 64px; border-radius: 999px; border: 1.5px solid var(--gold); color: var(--gold-soft); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-weight: 700; font-size: 20px; flex: none; }
.lifemap-layer h3 { color: var(--cream); font-size: 18.5px; margin-bottom: 10px; }
.lifemap-layer ul.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.lifemap-layer ul.tags li { font-size: 12.5px; color: rgba(247,243,234,0.78); background: rgba(247,243,234,0.07); border-radius: 999px; padding: 6px 13px; }
.lifemap-conclusion { text-align: center; margin-top: 46px; }
.lifemap-conclusion p { font-family: var(--serif); font-weight: 700; font-size: clamp(17px, 3.6vw, 22px); color: var(--gold-soft); letter-spacing: 0.01em; line-height: 1.7; }

/* ---------- KHÔNG HƯỚNG ĐẾN / HƯỚNG ĐẾN — hai cột đối lập ---------- */
.notgoal-section { background: var(--cream); }
.notgoal-grid { display: grid; gap: 20px; max-width: 980px; margin: 0 auto 44px; }
@media (min-width: 760px) { .notgoal-grid { grid-template-columns: 1fr 1fr; } }
.notgoal-col { border-radius: var(--radius-lg); padding: 32px 30px; }
.notgoal-col.not { background: var(--ivory); border: 1.5px solid var(--rule); }
.notgoal-col.goal { background: var(--navy); color: var(--cream); }
.notgoal-col h3 { font-size: 15px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 20px; }
.notgoal-col.not h3 { color: var(--ink-soft); }
.notgoal-col.goal h3 { color: var(--gold-soft); }
.notgoal-col ul { display: flex; flex-direction: column; gap: 14px; }
.notgoal-col li { display: flex; align-items: flex-start; gap: 12px; font-size: 14.5px; line-height: 1.65; }
.notgoal-col.not li { color: var(--ink); }
.notgoal-col.goal li { color: rgba(247,243,234,0.88); }
.notgoal-col .ico { width: 22px; height: 22px; border-radius: 999px; display: flex; align-items: center; justify-content: center; flex: none; margin-top: 1px; font-size: 12px; font-weight: 800; }
.notgoal-col.not .ico { background: rgba(28,36,48,0.08); color: var(--ink-soft); }
.notgoal-col.goal .ico { background: rgba(216,187,134,0.18); color: var(--gold-soft); }
.notgoal-highlight { text-align: center; max-width: 680px; margin: 0 auto; }
.notgoal-highlight p { font-family: var(--serif); font-weight: 700; font-size: clamp(18px, 3.8vw, 23px); color: var(--navy); line-height: 1.6; }

/* ---------- QUY TRÌNH LIFE COACH 6 BƯỚC (component signature) ---------- */
.process-section { background: var(--ivory); }
.process-list { max-width: 860px; margin: 0 auto 48px; display: flex; flex-direction: column; }
.process-item { display: grid; grid-template-columns: 60px 1fr; gap: 22px; position: relative; padding-bottom: 36px; }
.process-item:last-child { padding-bottom: 0; }
.process-item .line { position: absolute; left: 29px; top: 60px; bottom: 0; width: 2px; background: linear-gradient(var(--gold), var(--rule)); }
.process-item:last-child .line { display: none; }
.process-num { width: 60px; height: 60px; border-radius: 999px; background: var(--navy); color: var(--gold-soft); font-family: var(--serif); font-weight: 700; font-size: 18px; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); z-index: 1; }
.process-content { padding-top: 10px; }
.process-content h3 { font-size: 18.5px; margin-bottom: 8px; }
.process-content p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.75; text-align: justify; }
.process-flow { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 900px; margin: 0 auto; }
.process-flow span { font-size: 12.5px; font-weight: 800; letter-spacing: 0.03em; text-transform: uppercase; color: var(--navy); background: var(--gold-pale); border-radius: 999px; padding: 8px 15px; }
.process-flow .arrow { background: none; color: var(--gold); padding: 8px 2px; font-weight: 400; }

/* ---------- ỨNG DỤNG TRONG CUỘC SỐNG ---------- */
.applications-section { background: var(--cream); }
.app-grid { display: grid; gap: 18px; }
@media (min-width: 700px) { .app-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .app-grid { grid-template-columns: repeat(3, 1fr); } }
.app-card { background: var(--ivory); border: 1px solid var(--rule); border-radius: var(--radius-lg); padding: 28px 26px; transition: transform .2s ease, box-shadow .2s ease; }
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.app-card .ring { width: 48px; height: 48px; border-radius: 999px; border: 1.5px solid var(--gold); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--gold); }
.app-card h4 { font-size: 15px; letter-spacing: 0.03em; text-transform: uppercase; color: var(--navy); margin-bottom: 10px; }
.app-card p { font-family: var(--serif); font-style: italic; font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }

/* ---------- HÀNH TRÌNH HỌC (roadmap 5 giai đoạn) ---------- */
.roadmap-section { background: var(--navy); color: var(--cream); }
.roadmap-list { max-width: 820px; margin: 0 auto 44px; display: flex; flex-direction: column; }
.roadmap-item { display: grid; grid-template-columns: 56px 1fr; gap: 20px; position: relative; padding-bottom: 38px; }
.roadmap-item:last-child { padding-bottom: 0; }
.roadmap-item .line { position: absolute; left: 27px; top: 56px; bottom: 0; width: 2px; background: linear-gradient(var(--gold), var(--rule-on-navy)); }
.roadmap-item:last-child .line { display: none; }
.roadmap-num { width: 56px; height: 56px; border-radius: 999px; background: rgba(247,243,234,0.06); border: 1.5px solid var(--gold); color: var(--gold-soft); font-family: var(--serif); font-weight: 700; font-size: 17px; display: flex; align-items: center; justify-content: center; z-index: 1; }
.roadmap-item.final .roadmap-num { background: var(--gold); color: #241a08; border-color: var(--gold); }
.roadmap-content { padding-top: 6px; }
.roadmap-content .stage-tag { font-size: 11.5px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 6px; }
.roadmap-content h3 { color: var(--cream); font-size: 19px; margin-bottom: 8px; }
.roadmap-content p { font-size: 14px; color: rgba(247,243,234,0.72); line-height: 1.7; margin-bottom: 8px; }
.roadmap-content ul.topics { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 6px; }
.roadmap-content ul.topics li { font-size: 12px; color: rgba(247,243,234,0.75); background: rgba(247,243,234,0.07); border-radius: 999px; padding: 5px 11px; }
.roadmap-cta { text-align: center; }

/* ---------- LỚP TỬ VI THẤU HIỂU BẢN THÂN — TỐI THỨ 2 ---------- */
.weekly-section { background: var(--ivory); }
.weekly-time-wrap { text-align: center; margin-bottom: 40px; }
.weekly-time { display: inline-flex; align-items: center; gap: 10px; background: var(--gold-pale); border-radius: 999px; padding: 10px 22px; font-size: 13.5px; font-weight: 700; color: var(--navy); }
.weekly-grid { display: grid; gap: 16px; margin-bottom: 40px; }
@media (min-width: 720px) { .weekly-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .weekly-grid { grid-template-columns: repeat(5, 1fr); } }
.weekly-card { background: var(--cream); border: 1px solid var(--rule); border-radius: var(--radius-lg); padding: 22px 18px; }
.weekly-card .num { font-family: var(--serif); font-size: 20px; color: var(--gold); font-weight: 700; margin-bottom: 10px; }
.weekly-card h4 { color: var(--navy); font-size: 13.5px; letter-spacing: 0.02em; margin-bottom: 8px; }
.weekly-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.65; }
.weekly-cta { text-align: center; }

/* ---------- 4 LĂNG KÍNH — 1 CON NGƯỜI ---------- */
.lenses-section { background: var(--navy); color: var(--cream); position: relative; overflow: hidden; }
.lenses-grid { display: grid; gap: 18px; margin-bottom: 40px; position: relative; z-index: 1; }
@media (min-width: 700px) { .lenses-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .lenses-grid { grid-template-columns: repeat(4, 1fr); } }
.lens-card {
  display: block; background: rgba(247,243,234,0.04); border: 1px solid var(--rule-on-navy); border-radius: var(--radius-lg);
  padding: 28px 24px; text-decoration: none; color: rgba(247,243,234,0.85); transition: transform .2s ease, background .2s ease, border-color .2s ease;
  position: relative;
}
a.lens-card:hover { transform: translateY(-4px); background: rgba(247,243,234,0.07); border-color: rgba(216,187,134,0.4); }
.lens-card.is-current { background: linear-gradient(155deg, var(--gold), var(--gold-soft)); color: #241a08; border-color: transparent; }
.lens-current-tag { position: absolute; top: -11px; left: 24px; background: var(--navy); color: var(--gold-soft); font-size: 10px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }
.lens-card h3 { font-size: 15px; letter-spacing: 0.02em; margin-bottom: 8px; color: var(--cream); }
.lens-card.is-current h3 { color: #241a08; }
.lens-type { font-size: 12px; font-weight: 700; color: var(--gold-soft); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 14px; }
.lens-card.is-current .lens-type { color: rgba(36,26,8,0.75); }
.lens-question { font-family: var(--serif); font-style: italic; font-size: 14px; line-height: 1.6; color: rgba(247,243,234,0.72); }
.lens-card.is-current .lens-question { color: rgba(36,26,8,0.75); }
.lenses-pps { text-align: center; max-width: 640px; margin: 0 auto; position: relative; z-index: 1; }
.lenses-pps .arrow { color: var(--gold-soft); margin-bottom: 12px; }
.lenses-pps h3 { color: var(--cream); font-size: 15px; letter-spacing: 0.1em; margin-bottom: 10px; }
.lenses-pps p { font-size: 14.5px; color: rgba(247,243,234,0.72); line-height: 1.75; margin-bottom: 22px; }

/* ---------- NGƯỜI SÁNG LẬP ---------- */
.founder-section { background: var(--cream); }
.founder-grid { display: grid; gap: 44px; align-items: start; }
@media (min-width: 880px) { .founder-grid { grid-template-columns: 1fr 1fr; gap: 60px; } }
.founder-portrait { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3; background: linear-gradient(160deg, var(--navy-soft), var(--navy)); }
.founder-portrait img { width: 100%; height: 100%; object-fit: contain; }
.founder-name-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin: 6px 0 4px; }
.founder-name { font-size: clamp(24px, 5.2vw, 32px); margin: 0; }
.founder-more-link { font-size: 13.5px; font-weight: 700; color: var(--gold); text-decoration: none; white-space: nowrap; }
.founder-more-link:hover { color: var(--gold-soft); text-decoration: underline; }
.founder-role { font-size: 14.5px; color: var(--gold); font-weight: 700; margin-bottom: 22px; }
.founder-quote { font-family: var(--serif); font-style: italic; font-size: 17.5px; color: var(--navy); line-height: 1.75; margin-bottom: 24px; border-left: 3px solid var(--gold); padding-left: 20px; text-align: justify; }
.founder-note { font-size: 15px; color: var(--ink-soft); line-height: 1.85; margin-bottom: 22px; text-align: justify; }

.founder-list-title { font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.founder-list { display: flex; flex-direction: column; gap: 10px; margin: 0 0 26px; }
@media (min-width: 620px) { .founder-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; } }
.founder-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--ink); background: var(--ivory); border-radius: var(--radius-sm); padding: 11px 14px; line-height: 1.55; }
.founder-list li .tick { width: 20px; height: 20px; border-radius: 999px; background: var(--gold-pale); color: var(--gold); display: flex; align-items: center; justify-content: center; flex: none; font-size: 11px; font-weight: 800; margin-top: 1px; }

.founder-story { margin-top: 28px; border-top: 1px solid var(--rule); padding-top: 22px; }
.founder-story summary { cursor: pointer; font-weight: 700; color: var(--gold); font-size: 14px; list-style: none; display: inline-flex; align-items: center; gap: 8px; }
.founder-story summary::-webkit-details-marker { display: none; }
.founder-story summary::after { content: "+"; font-size: 18px; font-weight: 400; transition: transform .2s ease; }
.founder-story[open] summary::after { transform: rotate(45deg); }
.founder-story summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 6px; }
.founder-story .story-body { margin-top: 20px; display: flex; flex-direction: column; gap: 16px; max-width: 68ch; }
.founder-story .story-body p { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--ink-soft); line-height: 1.85; text-align: justify; }
.founder-story .story-body p.lead-line { font-weight: 700; font-size: 17px; color: var(--navy); text-align: left; }
.founder-story .story-body p.emphasis { font-style: normal; font-weight: 700; color: var(--navy); text-align: left; font-size: 15.5px; }

/* ---------- TESTIMONIALS ---------- */
.testimonial-section { background: var(--ivory); }
.testimonial-empty { max-width: 560px; margin: 0 auto; text-align: center; background: var(--cream); border-radius: var(--radius-lg); padding: 40px 30px; color: var(--ink-soft); font-style: italic; box-shadow: var(--shadow-sm); }
/* Carousel — cùng cơ chế với trang chủ thauhieubanthan.com.vn (1 slide/lượt, clamp + Xem thêm) */
.carousel { position: relative; max-width: 720px; margin: 0 auto; }
.carousel-track { overflow: hidden; border-radius: var(--radius-lg); }
.carousel-slides { display: flex; transition: transform .35s ease; }
.carousel-slide { flex: 0 0 100%; padding: 2px; }
.testi-card { background: var(--cream); border: 1px solid var(--rule); border-radius: var(--radius-lg); padding: 32px 26px; text-align: left; display: flex; flex-direction: column; gap: 14px; box-shadow: var(--shadow-sm); }
.testi-card::before { content: "“"; font-family: var(--serif); font-size: 42px; color: var(--gold); opacity: 0.6; line-height: 1; }
.testi-card strong { color: var(--navy); }
.testi-card p { font-size: 15px; line-height: 1.75; color: var(--ink-soft); text-align: justify; text-justify: inter-word; }
.testi-card .who { font-size: 13px; font-weight: 800; color: var(--navy); margin-top: 2px; }
.testi-body { position: relative; max-height: 260px; overflow: hidden; transition: max-height .3s ease; display: flex; flex-direction: column; gap: 14px; }
.testi-body.is-expanded { max-height: none; }
.testi-body.is-clamped:not(.is-expanded)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 64px; background: linear-gradient(to bottom, transparent, var(--cream)); pointer-events: none; }
.testi-more { display: none; align-self: flex-start; background: none; border: 0; padding: 0; cursor: pointer; color: var(--gold); font-weight: 800; font-size: 13.5px; align-items: center; gap: 5px; }
.testi-more svg { width: 14px; height: 14px; transition: transform .2s ease; }
.testi-more[aria-expanded="true"] svg { transform: rotate(180deg); }
.testi-body.is-clamped ~ .testi-more { display: inline-flex; }
.carousel-controls { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 22px; }
.carousel-btn { width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--rule); background: var(--cream); display: flex; align-items: center; justify-content: center; cursor: pointer; flex: none; }
.carousel-btn svg { width: 17px; height: 17px; color: var(--navy); }
.carousel-btn:hover { border-color: var(--gold); }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dots button { width: 8px; height: 8px; border-radius: 999px; background: var(--rule); border: 0; padding: 0; cursor: pointer; }
.carousel-dots button[aria-current="true"] { background: var(--gold); width: 22px; border-radius: 5px; }

/* ---------- CTA CHUYỂN ĐỔI (form) ---------- */
.cta-form-section { background: var(--navy); color: var(--cream); position: relative; overflow: hidden; }
.cta-form-intro { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.cta-form-intro h2 { color: var(--cream); font-size: clamp(26px, 5.6vw, 38px); line-height: 1.28; }
.cta-form-intro .sub { font-family: var(--serif); font-style: italic; font-size: 16px; color: var(--gold-soft); margin: 18px 0 22px; line-height: 1.7; }
.cta-form-intro ul { display: flex; flex-direction: column; gap: 10px; max-width: 460px; margin: 0 auto; text-align: left; }
.cta-form-intro li { display: flex; align-items: flex-start; gap: 12px; font-size: 14.5px; color: rgba(247,243,234,0.82); }
.cta-form-intro .tick { width: 22px; height: 22px; border-radius: 999px; background: rgba(216,187,134,0.18); color: var(--gold-soft); display: flex; align-items: center; justify-content: center; flex: none; margin-top: 1px; }

.form-card { max-width: 640px; margin: 0 auto; background: var(--cream); color: var(--ink); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 42px 40px; }
@media (max-width: 600px) { .form-card { padding: 28px 22px; } }

.zalo-cta-card { text-align: center; }
.zalo-cta-card .ico { width: 60px; height: 60px; border-radius: 999px; background: var(--gold-pale); color: var(--gold); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.zalo-cta-card h3 { font-size: 20px; margin-bottom: 12px; }
.zalo-cta-card p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.8; max-width: 42ch; margin: 0 auto 26px; text-align: justify; }

.fade-in { animation: lc-fade .3s ease; }
@keyframes lc-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- FAQ ---------- */
.faq-section { background: var(--cream); }
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--ivory); border-radius: var(--radius-md); padding: 4px 22px; }
.faq-item summary { padding: 18px 0; font-size: 15.5px; font-weight: 700; color: var(--navy); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--gold); flex: none; transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { font-size: 14.5px; color: var(--ink-soft); padding-bottom: 20px; margin: 0; line-height: 1.75; text-align: justify; }
.faq-item summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

/* ---------- TUYÊN NGÔN ---------- */
.manifesto-section { background: var(--ivory); text-align: center; }
.manifesto-section .lines { max-width: 1180px; margin: 0 auto 36px; display: flex; flex-direction: column; gap: 18px; }
.manifesto-section .lines p { font-family: var(--serif); font-style: italic; font-size: clamp(17px, 2.6vw, 24px); color: var(--navy); line-height: 1.75; }
.manifesto-section .closing { font-family: var(--serif); font-weight: 700; font-size: clamp(19px, 4vw, 25px); color: var(--gold); letter-spacing: 0.02em; line-height: 1.7; }

/* ---------- DISCLAIMER ---------- */
.disclaimer-section { padding: 40px 0; }
.disclaimer-section p { max-width: 720px; margin: 0 auto; text-align: center; font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; }

/* ---------- FOOTER ---------- */
footer.site { background: var(--navy); color: rgba(247,243,234,0.82); padding: 58px 0 28px; }
.footer-grid { display: grid; gap: 32px; margin-bottom: 32px; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand .brand-name { color: var(--cream); }
.footer-tagline { font-size: 13px; color: rgba(247,243,234,0.55); max-width: 34ch; line-height: 1.7; }
footer.site h5 { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 14px; }
footer.site ul { display: flex; flex-direction: column; gap: 10px; }
footer.site a { font-size: 13.5px; color: rgba(247,243,234,0.75); text-decoration: none; }
footer.site a:hover { color: var(--gold-soft); }
.footer-bottom { border-top: 1px solid rgba(247,243,234,0.12); padding-top: 22px; font-size: 12px; color: rgba(247,243,234,0.5); text-align: center; }

/* ---------- FLOATING MOBILE CTA ---------- */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; padding: 12px 16px; background: rgba(251,248,242,0.97); backdrop-filter: blur(10px); border-top: 1px solid var(--rule); }
@media (min-width: 1080px) { .sticky-cta { display: none; } }
body.has-sticky-cta { padding-bottom: 78px; }