/* Pareto AI · sale page đào tạo. Tone xanh theo logo Pareto (#246bfd), nền trắng, Be Vietnam Pro. */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --soft: #f1f5ff;
  --alt: #f6f8fc;
  --ink: #0d1b3e;
  --ink-2: #44507a;
  --ink-3: #5c6889;
  --line: #e2e8f4;
  --brand: #246bfd;
  --brand-2: #4f8dff;
  --brand-ink: #1550d6;
  --dark: #0b1a44;
  --grad: linear-gradient(135deg, var(--brand), var(--brand-2));
  --shadow: 0 1px 2px rgba(20,22,31,.05), 0 10px 30px rgba(20,22,31,.07);
  --r: 16px;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.6 "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
[id] { scroll-margin-top: 76px; }
img, svg { max-width: 100%; display: block; }
a { color: var(--brand-ink); }
h1, h2, h3 { line-height: 1.22; letter-spacing: -.015em; margin: 0; }
h1 { font-size: clamp(32px, 5.4vw, 54px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; max-width: 820px; }
h3 { font-size: 19px; font-weight: 700; }
p { margin: 0; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); margin-bottom: 12px; }
.lead { color: var(--ink-2); font-size: clamp(17px, 1.6vw, 19px); max-width: 700px; margin-top: 16px; }

/* ---------- Nút ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: 12px; border: 0;
  background: var(--grad); color: #fff; font: 700 16px/1.2 inherit; text-decoration: none; cursor: pointer;
  box-shadow: 0 6px 18px rgba(36,107,253,.28); transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(36,107,253,.34); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent); outline-offset: 2px; }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); box-shadow: none; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-ink); box-shadow: none; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 15px; }
.btn-lg { min-height: 54px; font-size: 17px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.link { font-weight: 700; text-decoration: none; font-size: 15px; }

/* ---------- Header ---------- */
.hd { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.hd.is-scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(20,22,31,.05); }
.hd-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark { width: 34px; height: 34px; }
.logo-txt { font-weight: 600; font-size: 18px; letter-spacing: .14em; color: var(--brand); }
.logo-txt b { color: var(--ink); letter-spacing: .04em; font-weight: 800; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--brand-ink); }
@media (max-width: 860px) { .nav { display: none; } .hd .btn-sm { margin-left: auto; } }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 48px 0 64px; background: radial-gradient(900px 480px at 88% -10%, rgba(79,141,255,.18), transparent 62%), var(--bg); }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.35fr 1fr; gap: 56px; } .hero { padding: 72px 0 88px; } }
.chips { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 7px 14px; border-radius: 999px; font-size: 14px; font-weight: 500; background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); }

.ticket { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 26px; position: relative; }
.ticket-top { background: var(--grad); color: #fff; margin: -26px -26px 0; padding: 24px 26px 26px; border-radius: 22px 22px 0 0; }
.ticket-k { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; opacity: .9; }
.ticket-date { font-size: clamp(24px, 3vw, 30px); font-weight: 800; margin-top: 6px; }
.ticket-time { font-weight: 500; opacity: .95; margin-top: 2px; }
.ticket-cut { height: 22px; margin: 0 -26px; position: relative; background: radial-gradient(circle at 0 50%, var(--bg) 11px, transparent 12px) left / 22px 22px no-repeat, radial-gradient(circle at 100% 50%, var(--bg) 11px, transparent 12px) right / 22px 22px no-repeat; }
.ticket-cut::after { content: ""; position: absolute; left: 22px; right: 22px; top: 50%; border-top: 2px dashed var(--line); }
.ticket-list { list-style: none; padding: 0; margin: 4px 0 22px; display: grid; gap: 12px; color: var(--ink-2); }
.ticket-list b { color: var(--ink); }
.ticket-note { margin-top: 14px; font-size: 14px; color: var(--ink-3); text-align: center; }

/* ---------- Section ---------- */
.sec { padding: clamp(56px, 8vw, 96px) 0; }
.sec-alt { background: var(--alt); }
.sec-soft { background: var(--soft); }
.sec-dark { background: linear-gradient(135deg, #0b1a44, #163a9c); color: #fff; }
.sec-dark .lead, .sec-dark p { color: #d6d8e2; }
.sec-dark h2, .sec-dark h3 { color: #fff; }
.sec-dark .eyebrow { color: var(--brand-2); }
.sec-foot { margin-top: 32px; font-size: 18px; color: var(--ink-2); max-width: 760px; }
.sec-foot b { color: var(--ink); }

.grid-4 { display: grid; gap: 16px; margin-top: 32px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.pain { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.pain p { color: var(--ink-2); }
.pain b { color: var(--ink); }
.pain-i { width: 40px; height: 40px; border-radius: 12px; background: var(--soft); color: var(--brand); display: grid; place-items: center; font-weight: 800; font-size: 18px; margin-bottom: 14px; }

/* ---------- Lộ trình ---------- */
.ladder { display: grid; gap: 20px; margin-top: 40px; align-items: stretch; }
@media (min-width: 960px) { .ladder { grid-template-columns: repeat(3, 1fr); } }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; position: relative; }
.plan.is-hot { border: 2px solid var(--brand); }
@media (min-width: 960px) { .plan.is-hot { transform: translateY(-10px); } }
.plan-badge { position: absolute; top: -14px; left: 28px; background: var(--grad); color: #fff; font-size: 13px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.plan-step { font-size: 13px; font-weight: 700; color: var(--ink-3); text-transform: uppercase; letter-spacing: .08em; }
.plan h3 { font-size: 22px; margin-top: 8px; }
.plan-meta { color: var(--ink-2); font-size: 15px; margin-top: 6px; }
.plan-price { font-size: 30px; font-weight: 800; margin-top: 18px; color: var(--ink); }
.plan-price s { font-size: 17px; font-weight: 500; color: var(--ink-3); margin-right: 6px; }
.plan-price-sm { font-size: 24px; }
.plan-sub { font-size: 14px; color: var(--brand-ink); font-weight: 600; margin-top: 2px; }
.plan .ticks { margin: 20px 0 24px; }
.plan-cta { margin-top: auto; display: grid; gap: 12px; justify-items: center; }

.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ticks li { padding-left: 28px; position: relative; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 14px; height: 8px; border-left: 2.5px solid var(--brand); border-bottom: 2.5px solid var(--brand); transform: rotate(-45deg); }

/* ---------- Cafe AI ---------- */
.split { display: grid; gap: 40px; }
@media (min-width: 960px) { .split { grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; } }
.facts { margin: 28px 0 0; display: grid; gap: 14px; }
.facts div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid color-mix(in srgb, var(--brand) 14%, var(--line)); }
.facts dt { font-weight: 700; color: var(--ink-3); font-size: 14px; padding-top: 2px; }
.facts dd { margin: 0; color: var(--ink-2); }
.facts dd b { color: var(--ink); }
@media (max-width: 480px) { .facts div { grid-template-columns: 1fr; gap: 2px; } }
.agenda { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: a; }
.agenda li { display: grid; grid-template-columns: 58px 1fr; gap: 16px; background: var(--surface); border-radius: var(--r); padding: 18px; box-shadow: var(--shadow); }
.agenda li > span { width: 58px; height: 58px; border-radius: 14px; background: var(--grad); color: #fff; display: grid; place-items: center; font-weight: 800; }
.agenda b { display: block; font-size: 17px; }
.agenda p { color: var(--ink-2); font-size: 15px; margin-top: 2px; }

/* ---------- Leader Camp ---------- */
.weeks { display: grid; gap: 14px; margin-top: 36px; align-items: center; }
@media (min-width: 760px) { .weeks { grid-template-columns: 1fr auto 1fr; } }
.week { background: var(--alt); border-radius: var(--r); padding: 18px; }
.week-k { font-weight: 800; color: var(--brand); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.days { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.day { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.day b { display: block; }
.day span { font-size: 14px; color: var(--ink-3); }
.week-gap { text-align: center; font-size: 13px; font-weight: 600; color: var(--ink-3); }
.week-gap span { display: inline-block; padding: 8px 14px; border: 1.5px dashed var(--line); border-radius: 999px; }
@media (min-width: 760px) { .week-gap span { border-radius: 14px; } }

.curri { display: grid; gap: 14px; margin-top: 28px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .curri { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .curri { grid-template-columns: repeat(4, 1fr); } }
.mod { border: 1px solid var(--line); border-radius: var(--r); padding: 20px; background: var(--surface); }
.mod-n { font-weight: 800; font-size: 14px; color: var(--brand); }
.mod h3 { margin: 6px 0 6px; font-size: 17px; }
.mod p { color: var(--ink-2); font-size: 15px; }

.camp-offer { display: grid; gap: 24px; margin-top: 40px; align-items: center; }
@media (min-width: 900px) { .camp-offer { grid-template-columns: 1.2fr 1fr; gap: 48px; } }
.camp-out h3 { font-size: 22px; margin-bottom: 18px; }
.price-card { border: 2px solid var(--brand); border-radius: 22px; padding: 28px; box-shadow: var(--shadow); background: linear-gradient(180deg, var(--soft), var(--surface) 55%); }
.price-k { font-weight: 700; color: var(--ink-3); font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
.price-list { color: var(--ink-3); margin-top: 10px; }
.price-main { font-size: clamp(36px, 5vw, 46px); font-weight: 800; line-height: 1.1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.price-note { color: var(--ink-2); font-size: 15px; margin-top: 8px; }
.price-seat { margin: 16px 0 20px; padding: 12px 14px; border-radius: 12px; background: var(--alt); font-size: 15px; color: var(--ink-2); }
.price-seat b { color: var(--ink); }

/* ---------- Đồng hành ---------- */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 16px; }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r); padding: 22px; }
.steps li > span { width: 38px; height: 38px; border-radius: 50%; background: var(--grad); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; }
.steps p { font-size: 15px; margin-top: 6px; }
.commit { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; padding: 22px 24px; border-radius: var(--r); background: rgba(79,141,255,.12); border: 1px solid rgba(79,141,255,.35); }
.commit p { max-width: 640px; }
.commit b { color: #fff; }

/* ---------- Đội ngũ, cảm nhận ---------- */
.team { display: grid; gap: 18px; margin-top: 36px; }
@media (min-width: 700px) { .team { grid-template-columns: repeat(3, 1fr); } }
.person { margin: 0; }
.ph { aspect-ratio: 4 / 3; border-radius: var(--r); background: repeating-linear-gradient(45deg, var(--alt), var(--alt) 10px, #fff 10px, #fff 20px); border: 2px dashed var(--line); display: grid; place-items: center; }
.ph::after { content: attr(data-todo); font-size: 14px; font-weight: 600; color: var(--ink-3); }
.person figcaption { margin-top: 12px; }
.person b { display: block; }
.person span { color: var(--ink-3); font-size: 15px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin-top: 36px; }
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats > div { background: var(--surface); padding: 22px 20px; }
.stats .num { font-size: 32px; font-weight: 800; }
.stats .num + p { color: var(--ink-3); font-size: 14px; }
.quotes { display: grid; gap: 18px; margin-top: 36px; }
@media (min-width: 900px) { .quotes { grid-template-columns: repeat(3, 1fr); } }
.q { margin: 0; border-top: 3px solid var(--brand); padding-top: 18px; }
.q p { color: var(--ink-2); }
.q footer { margin-top: 12px; font-size: 15px; color: var(--ink-3); }
.q footer b { color: var(--ink); }
.logos { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.logos span { flex: 1 1 140px; height: 64px; border: 1.5px dashed var(--line); border-radius: 12px; display: grid; place-items: center; font-size: 14px; color: var(--ink-3); }

/* ---------- FAQ ---------- */
.faq { margin-top: 28px; display: grid; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 52px 18px 20px; font-weight: 700; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 500; color: var(--brand); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 20px 18px; color: var(--ink-2); }

/* ---------- Đăng ký ---------- */
.reg { background: radial-gradient(800px 400px at 0% 100%, rgba(79,141,255,.14), transparent 60%), var(--soft); }
.reg-grid { display: grid; gap: 36px; }
@media (min-width: 960px) { .reg-grid { grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; } }
.contact { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; color: var(--ink-2); }
.contact a { font-weight: 700; }
.form { background: var(--surface); border-radius: 22px; padding: clamp(20px, 4vw, 32px); box-shadow: var(--shadow); display: grid; gap: 16px; }
.prog { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .prog { grid-template-columns: repeat(3, 1fr); } }
.prog legend { font-weight: 700; margin-bottom: 10px; padding: 0; }
.prog label { position: relative; cursor: pointer; }
.prog input { position: absolute; opacity: 0; inset: 0; }
.prog span { display: block; height: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px; transition: border-color .15s, background .15s; }
.prog b { display: block; font-size: 15px; }
.prog small { color: var(--ink-3); font-size: 13px; }
.prog input:checked + span { border-color: var(--brand); background: var(--soft); box-shadow: inset 0 0 0 1px var(--brand); }
.prog input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent); outline-offset: 2px; }
.f-2 { display: grid; gap: 16px; }
@media (min-width: 560px) { .f-2 { grid-template-columns: 1fr 1fr; } }
.f-row { display: grid; gap: 6px; }
.f-row[hidden] { display: none; }
.f-row label { font-weight: 600; font-size: 15px; }
input, select, textarea { width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; min-height: 48px; }
textarea { resize: vertical; min-height: 96px; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); outline: none; }
.is-bad { border-color: #d92d20 !important; background: #fff5f4; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.form-msg { font-weight: 600; font-size: 15px; }
.form-msg:empty { display: none; }
.form-msg.is-ok { color: #067647; background: #ecfdf3; border: 1px solid #abefc6; padding: 12px 14px; border-radius: 12px; }
.form-msg.is-err { color: #b42318; background: #fef3f2; border: 1px solid #fecdca; padding: 12px 14px; border-radius: 12px; }
.form-legal { font-size: 13px; color: var(--ink-3); text-align: center; }

/* ---------- Footer ---------- */
.ft { background: var(--dark); color: #c9ccd8; padding: 40px 0 96px; font-size: 15px; }
.ft a { color: #fff; }
.ft .logo { color: #fff; margin-bottom: 10px; }
.ft-in { display: grid; gap: 20px; }
@media (min-width: 760px) { .ft-in { grid-template-columns: 1fr 1fr; } .ft { padding-bottom: 40px; } }
.ft-in p + p { margin-top: 6px; }
.ft-copy { margin-top: 24px; color: #8a8fa3; font-size: 14px; }

/* ---------- Thanh CTA dính đáy trên di động ---------- */
.mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: flex; gap: 10px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-top: 1px solid var(--line); transition: transform .25s ease; }
.mbar .btn { flex: 1; }
.mbar-call { flex: 0 0 auto; display: grid; place-items: center; min-width: 64px; border: 1.5px solid var(--line); border-radius: 12px; font-weight: 700; color: var(--ink); text-decoration: none; }
.mbar.is-hidden { transform: translateY(110%); }
@media (min-width: 760px) { .mbar { display: none; } }

/* ---------- Hiện dần ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }
.plan.is-hot.rv.in { transform: none; }
@media (min-width: 960px) { .plan.is-hot.rv.in { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

/* ================= Bổ sung v2: bố cục theo trang tham khảo ================= */
h2 { color: var(--ink); }
.hl { color: var(--brand); }
.sec-dark .hl { color: #9cc0ff; }
.ft .logo-mark { background: #fff; border-radius: 10px; padding: 3px; }
.ft .logo-txt { color: #fff; }
.ft .logo-txt b { color: #9cc0ff; }
.ft-co { color: #fff; font-weight: 700; }

/* 4 trụ cột dưới hero */
.pillars { list-style: none; padding: 0; margin: 48px 0 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .pillars { grid-template-columns: repeat(4, 1fr); } }
.pillars li { background: var(--surface); padding: 20px 22px; }
.pillars span { font-weight: 800; color: var(--brand); font-size: 14px; }
.pillars b { display: block; font-size: 17px; margin-top: 4px; }
.pillars p { color: var(--ink-2); font-size: 15px; margin-top: 4px; }

/* 6 nỗi đau */
.pains { display: grid; gap: 16px; margin-top: 32px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pains { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .pains { grid-template-columns: repeat(3, 1fr); } }
.pains .pain > span { font-size: 28px; font-weight: 800; color: var(--brand); opacity: .35; line-height: 1; }
.pains .pain h3 { margin: 10px 0 6px; font-size: 18px; }
.formula { margin-top: 32px; padding: 18px 22px; border-radius: var(--r); background: var(--surface); border: 1.5px solid var(--brand); font-weight: 700; font-size: clamp(16px, 2vw, 20px); color: var(--brand-ink); text-align: center; }
.formula i { font-style: normal; color: var(--ink-3); margin: 0 6px; }

/* 3 "Không" */
.nots { display: grid; gap: 18px; margin-top: 36px; }
@media (min-width: 860px) { .nots { grid-template-columns: repeat(3, 1fr); } }
.not { border-radius: var(--r); padding: 26px; background: var(--soft); }
.not-k { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #fff; background: var(--brand); border-radius: 999px; padding: 3px 12px; }
.not h3 { margin: 12px 0 8px; font-size: 20px; }
.not p { color: var(--ink-2); }

/* Chuyên gia */
.lead-x { display: grid; gap: 28px; margin-top: 40px; align-items: center; background: var(--soft); border-radius: 24px; padding: clamp(20px, 4vw, 40px); }
@media (min-width: 860px) { .lead-x { grid-template-columns: 0.9fr 1.1fr; gap: 48px; } }
.lead-x img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 20%; border-radius: 18px; }
.lead-x .role { color: var(--brand-ink); font-weight: 700; }
.lead-x h3 { font-size: clamp(24px, 3vw, 30px); margin: 6px 0 10px; }
.lead-x p + p, .lead-x .ticks { margin-top: 12px; }
.lead-x blockquote { margin: 18px 0 0; padding-left: 16px; border-left: 3px solid var(--brand); font-style: italic; color: var(--ink); }
.team { margin-top: 28px; }
.person img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center 15%; border-radius: var(--r); background: var(--alt); }
.person .role { display: block; color: var(--brand-ink); font-weight: 600; font-size: 15px; margin-top: 2px; }
.person figcaption p { color: var(--ink-2); font-size: 15px; margin-top: 8px; }
.person figcaption b { font-size: 19px; }

/* Ảnh hoạt động */
.gallery { display: grid; gap: 12px; margin-top: 28px; grid-template-columns: 1fr 1fr; }
@media (min-width: 860px) { .gallery { grid-template-columns: 2fr 1fr 1fr; } }
.gallery figure { margin: 0; position: relative; }
.gallery figure:first-child { grid-column: 1 / -1; }
@media (min-width: 860px) { .gallery figure:first-child { grid-column: auto; } }
.gallery img { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; }
.gallery figcaption { position: absolute; left: 10px; bottom: 10px; background: rgba(11,26,68,.75); color: #fff; font-size: 13px; padding: 4px 10px; border-radius: 8px; }
.cafe-photo { margin: 0 0 14px; }
.cafe-photo img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--r); box-shadow: var(--shadow); }

/* Bộ công cụ Leader Camp */
.kit-h { margin-top: 48px; font-size: clamp(20px, 2.4vw, 26px); }
.kit { display: grid; gap: 14px; margin-top: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .kit { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .kit { grid-template-columns: repeat(3, 1fr); } }
.kit > div { border-left: 3px solid var(--brand); background: var(--alt); border-radius: 0 12px 12px 0; padding: 16px 18px; }
.kit p { color: var(--ink-2); font-size: 15px; margin-top: 4px; }
.camp-no { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--alt); color: var(--ink-2); font-size: 15px; }
.camp-no b { color: var(--ink); }

.btn-light { background: #fff; color: var(--brand-ink); box-shadow: none; }
.btn-light:hover { box-shadow: 0 8px 20px rgba(0,0,0,.2); }
.commit { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22); }
.team-2 { grid-template-columns: 1fr; }
@media (min-width: 700px) { .team-2 { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
.byline { display: inline-flex; align-items: center; gap: 12px; margin-top: 28px; text-decoration: none; color: var(--ink-2); font-size: 14px; }
.byline img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; object-position: center 20%; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--brand); background: #fff; }
.byline b { display: block; color: var(--ink); font-size: 16px; }
.person img, .lead-x img, .gallery img, .cafe-photo img { height: auto; }
@media (min-width: 560px) {
  .team-2 .person { display: grid; grid-template-columns: 160px 1fr; gap: 18px; align-items: start; }
  .team-2 .person figcaption { margin-top: 0; }
}
/* Dải ảnh: 2 ảnh cùng tỉ lệ */
.gallery { grid-template-columns: 1fr 1fr !important; }
.gallery figure:first-child { grid-column: auto; }
.gallery img { aspect-ratio: 4 / 3; height: auto; }
.not .not-k { color: #fff; }

/* Cộng sự Hoàn & Hải: thẻ lớn */
.co-h { margin-top: 40px; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.cofounders { display: grid; gap: 20px; margin-top: 14px; }
@media (min-width: 960px) { .cofounders { grid-template-columns: 1fr 1fr; } }
.cof { display: grid; gap: 20px; background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--brand); border-radius: 20px; padding: 24px; box-shadow: var(--shadow); }
@media (min-width: 560px) { .cof { grid-template-columns: 190px 1fr; align-items: start; } }
.cof img { width: 100%; max-width: 260px; height: auto; aspect-ratio: 1 / 1; object-fit: cover; object-position: center 20%; border-radius: 16px; background: var(--alt); }
.cof-tag { display: inline-block; font-size: 13px; font-weight: 700; color: var(--brand-ink); background: var(--soft); border-radius: 999px; padding: 4px 12px; }
.cof h3 { font-size: 24px; margin: 10px 0 6px; }
.cof-exp { color: var(--ink-2); }
.cof-exp b { color: var(--brand); font-size: 22px; font-weight: 800; margin-right: 4px; }
.cof .ticks { margin-top: 14px; gap: 8px; }
.cof .ticks li { font-size: 15px; }

/* Hotline & Zalo */
.hd-tel { display: none; font-weight: 700; color: var(--brand-ink); text-decoration: none; white-space: nowrap; }
@media (min-width: 1100px) { .hd-tel { display: inline-block; } }
.contact-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.btn-zalo { background: #0068ff; box-shadow: 0 6px 18px rgba(0,104,255,.28); }
.ft-social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px !important; }
.soc { display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.25); text-decoration: none; font-size: 14px; font-weight: 600; }
.soc:hover { background: rgba(255,255,255,.1); }
.soc-fb::before { content: "f"; display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #1877f2; color: #fff; font-weight: 800; font-size: 13px; margin-right: 8px; }
.soc-zl::before { content: "Z"; display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #0068ff; color: #fff; font-weight: 800; font-size: 12px; margin-right: 8px; }

.fab { position: fixed; right: 20px; bottom: 24px; z-index: 60; display: none; flex-direction: column; align-items: flex-end; gap: 10px; }
@media (min-width: 760px) { .fab { display: flex; } }
.fab a { text-decoration: none; color: #fff; font-weight: 700; box-shadow: 0 8px 22px rgba(13,27,62,.25); transition: transform .15s; }
.fab a:hover { transform: translateY(-2px); }
.fab-zalo { width: 56px; height: 56px; border-radius: 50%; background: #0068ff; display: grid; place-items: center; font-size: 14px; }
.fab-tel { display: inline-flex; align-items: center; gap: 8px; height: 52px; padding: 0 18px 0 6px; border-radius: 999px; background: var(--brand); }
.fab-tel span { width: 40px; height: 40px; border-radius: 50%; background: #fff; color: var(--brand); display: grid; place-items: center; font-size: 18px; animation: ring 2.4s ease-in-out infinite; }
@keyframes ring { 0%, 70%, 100% { transform: rotate(0); } 75% { transform: rotate(-15deg); } 80% { transform: rotate(15deg); } 85% { transform: rotate(-10deg); } 90% { transform: rotate(8deg); } }
.mbar { gap: 8px; }
.mbar-call { min-width: 58px; font-size: 14px; }
.mbar-zalo { background: #0068ff; color: #fff !important; border-color: #0068ff; }

/* Cảm nhận học viên */
.tms { display: grid; gap: 18px; margin-top: 32px; }
@media (min-width: 900px) { .tms { grid-template-columns: repeat(3, 1fr); } }
.tm { margin: 0; display: flex; flex-direction: column; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 24px; box-shadow: var(--shadow); position: relative; }
.tm::before { content: "\201C"; position: absolute; right: 20px; top: 4px; font-size: 72px; line-height: 1; font-weight: 800; color: var(--brand); opacity: .15; }
.tm-top { display: flex; flex-wrap: wrap; gap: 8px; }
.tm-prog { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand-ink); background: var(--soft); border-radius: 999px; padding: 4px 10px; }
.tm-res { font-size: 13px; font-weight: 700; color: #067647; background: #ecfdf3; border-radius: 999px; padding: 4px 10px; }
.tm blockquote { margin: 0; color: var(--ink-2); flex: 1; }
.tm figcaption { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-3); }
.tm figcaption b { display: block; color: var(--ink); font-size: 16px; }
.tm figcaption img, .tm-ini { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; flex: none; }
.tm-ini { display: grid; place-items: center; background: var(--grad); color: #fff; font-weight: 800; }
.logos-h { margin-top: 44px; }
.logos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
@media (min-width: 640px) { .logos { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .logos { grid-template-columns: repeat(6, 1fr); } }
.logos span { height: 72px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); display: grid; place-items: center; padding: 10px; font-size: 13px; color: var(--ink-3); text-align: center; }
.logos span.is-empty { border-style: dashed; }
.logos img { max-height: 48px; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .8; transition: filter .2s, opacity .2s; }
.logos span:hover img { filter: none; opacity: 1; }

/* UX: tin cậy dưới nút gửi, menu đang xem */
.form-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; font-size: 13px; font-weight: 600; color: #067647; margin-top: -4px; }
.nav a.is-active { color: var(--brand); box-shadow: inset 0 -2px 0 var(--brand); }
.facts a { font-weight: 600; white-space: nowrap; }
.tm blockquote, .cof-exp, .not p { text-wrap: pretty; }
h1, h2 { text-wrap: balance; }
.link { display: inline-block; padding: 10px 6px; }
.plan-cta { gap: 4px; }