:root {
  --teal: #17A398;
  --teal-dark: #0E7C73;
  --coral: #FF6B4A;
  --ink: #123C39;
  --mint: #EAF7F5;
  --copper: #BE7A43;
  --text: #24413F;
  --muted: #5E7472;
  --line: #D6E7E4;
  --bg: #FFFFFF;
  --radius: 18px;
  --head: "Baloo 2", system-ui, sans-serif;
  --body: "Be Vietnam Pro", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

h1, h2, h3 { font-family: var(--head); color: var(--ink); line-height: 1.12; margin: 0 0 .4em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; letter-spacing: -.01em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; }
h3 { font-size: 1.35rem; font-weight: 700; }

.eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin: 0 0 .8rem;
}
.eyebrow-light { color: #7FD6CC; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 36em; }
.section-lead { font-size: 1.1rem; color: var(--muted); max-width: 40em; margin: 0 0 2.2rem; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: .85em 1.5em;
  border-radius: 999px;
  border: 2px solid var(--coral);
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); background: #F25534; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-small { padding: .55em 1.1em; font-size: .92rem; }
.btn-block { display: block; text-align: center; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.8rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--head); font-weight: 800; font-size: 1.35rem; color: var(--copper); letter-spacing: .04em; }
.brand-sub { font-style: italic; font-size: .82rem; color: var(--copper); margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:not(.btn):hover { color: var(--teal-dark); }
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: .4em 1em;
  font: inherit;
  font-weight: 600;
  color: var(--ink);
}

/* Hero */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--mint) 0%, #fff 100%); }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.hero-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 20px 50px -30px rgba(18,60,57,.35);
}
.hero-card-label { font-weight: 600; color: var(--ink); margin: 0 0 1rem; }
.score { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.score-col { display: flex; flex-direction: column; align-items: center; }
.score-num { font-family: var(--head); font-weight: 800; font-size: clamp(2.6rem, 6vw, 3.8rem); line-height: 1; }
.score-num.muted { color: #A9BDBA; }
.score-num.accent { color: var(--teal); }
.score-tag { font-size: .85rem; color: var(--muted); margin-top: 6px; }
.score-arrow { font-size: 2rem; color: var(--coral); }
.hero-card-note { font-size: .82rem; color: var(--muted); margin: 1rem 0 0; }
.benefits { list-style: none; margin: 1.2rem 0 0; padding: 1.2rem 0 0; border-top: 1px solid var(--line); display: grid; gap: 12px; }
.benefits li { position: relative; padding-left: 28px; font-size: .92rem; color: var(--muted); }
.benefits li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 700; }
.benefits b { display: block; color: var(--ink); font-size: 1rem; }

/* Tagline */
.tagline { display: flex; align-items: center; gap: 14px; margin: 0 0 1rem; }
.tagline span { font-family: var(--head); font-weight: 800; letter-spacing: .3em; text-transform: uppercase; color: var(--teal); font-size: 1rem; }
.tagline::before, .tagline::after { content: ""; width: 40px; height: 4px; border-radius: 4px; background: #BFDDD7; }
.universe { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin-bottom: 2.4rem; }

/* Links */
.text-link { color: var(--teal-dark); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.card .text-link { display: inline-block; margin-top: .8rem; }
.channels { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 10px; }
.channels li { display: grid; grid-template-columns: 90px 1fr; gap: 12px; }
.channels span { color: #7FD6CC; font-size: .9rem; }
.channels a, .channels b { color: #fff; font-weight: 600; }

/* Stats */
.stats { border-block: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.stats-grid div { padding: 28px 20px; display: flex; flex-direction: column; gap: 4px; }
.stats-grid div + div { border-left: 1px solid var(--line); }
.stats-grid strong { font-family: var(--head); font-size: 2rem; color: var(--ink); line-height: 1; }
.stats-grid span { color: var(--muted); font-size: .95rem; }

/* Sections */
.section { padding: 88px 0; }
.section-mint { background: var(--mint); }
.section-dark { background: var(--ink); color: #D8EDEA; }
.section-dark h2 { color: #fff; }

/* MentoX */
.mentox-head { display: flex; align-items: center; gap: 20px; }
.compass { width: 76px; height: 76px; flex: none; }
.mentox-name { font-size: clamp(3rem, 8vw, 5rem); margin: 0; }
.mentox-name span { color: var(--coral); }
.secret {
  margin-top: 1rem;
  background: var(--mint);
  border: 1px dashed var(--teal);
  color: var(--teal-dark);
  font: inherit;
  font-weight: 600;
  padding: .6em 1.1em;
  border-radius: 999px;
  cursor: pointer;
}
.secret-text { max-width: 40em; margin: 1rem 0 0; padding: 1em 1.2em; border-left: 4px solid var(--coral); background: #FFF4F1; border-radius: 0 12px 12px 0; }
.sub-title { margin-top: 3rem; font-size: 1.6rem; }
.layers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 1rem; }
.layer { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.layer-alt { background: var(--mint); border-color: transparent; }
.layer-label { font-weight: 600; color: var(--teal-dark); margin: 0 0 1rem; }
.pillars { margin: 0; padding: 0; list-style: none; counter-reset: p; }
.pillars[start="5"] { counter-reset: p 4; }
.pillars li { counter-increment: p; position: relative; padding: 14px 0 14px 54px; border-top: 1px solid var(--line); display: flex; flex-direction: column; }
.pillars li:first-child { border-top: 0; }
.pillars li::before {
  content: counter(p);
  position: absolute;
  left: 0;
  top: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  font-family: var(--head);
  font-weight: 800;
  display: grid;
  place-items: center;
}
.pillars b { color: var(--ink); font-size: 1.05rem; }
.pillars span { color: var(--muted); font-size: .95rem; }

/* 3D */
.three-d { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.d-card { background: #fff; border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; }
.d-letter { position: absolute; right: -6px; bottom: -40px; font-family: var(--head); font-weight: 800; font-size: 9rem; color: var(--mint); line-height: 1; }
.d-card h3, .d-card p { position: relative; }
.d-card h3 { color: var(--teal-dark); font-size: 1.8rem; }

/* Levels */
.levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.level { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.level h3 { font-size: 2rem; }
.level h3 span { font-family: var(--body); font-size: .9rem; font-weight: 500; color: var(--muted); margin-left: 6px; }
.level-step { font-size: .8rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--coral); margin: 0 0 .4rem; }
.level ul { padding-left: 1.1em; margin: .4rem 0 1.4rem; color: var(--text); flex: 1; }
.level li { margin-bottom: .4em; }
.price { font-family: var(--head); font-weight: 700; font-size: 1.3rem; color: var(--ink); margin: 0 0 1rem; }
.level-feature { background: var(--ink); border-color: var(--ink); color: #D8EDEA; }
.level-feature h3, .level-feature .price { color: #fff; }
.level-feature h3 span { color: #9CC9C3; }
.level-feature ul { color: #D8EDEA; }

/* Results */
.results-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.bars { display: flex; flex-direction: column; gap: 22px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 48px; align-items: center; gap: 14px; }
.bar-row span { font-size: .92rem; }
.bar-row b { font-family: var(--head); font-size: 1.4rem; color: #fff; }
.bar { height: 18px; background: rgba(255,255,255,.12); border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: #6F8F8B; border-radius: 999px; }
.bar i.bar-accent { background: linear-gradient(90deg, var(--teal), #3FD0C2); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .15s ease, transform .15s ease; }
.card:hover { border-color: var(--teal); transform: translateY(-3px); }
.card p { color: var(--muted); margin: 0; }

/* Founder */
.founder { display: grid; grid-template-columns: 160px 1fr; gap: 40px; align-items: center; }
.founder-mark {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-family: var(--head);
  font-size: 3rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}
.alias { font-family: var(--body); font-size: 1.1rem; font-weight: 500; color: var(--muted); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.qr-box { background: #fff; border-radius: var(--radius); padding: 20px; width: min(260px, 100%); justify-self: end; }
.qr-placeholder {
  aspect-ratio: 1;
  border: 2px dashed var(--line);
  border-radius: 12px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  font-weight: 600;
}

/* Footer */
.site-footer { background: #0C2B29; color: #9CC9C3; padding: 48px 0 0; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1.4fr; gap: 32px; padding-bottom: 32px; }
.f-more { margin: 12px 0 0; }
.site-footer h4 { margin: 0 0 12px; color: #fff; font-family: var(--head); font-size: 1.05rem; }
.f-tagline { margin: 14px 0 16px; color: #CFE7E3; }
.f-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a:not(.btn) { color: #CFE7E3; text-decoration: none; }
.site-footer a:not(.btn):hover { color: #fff; text-decoration: underline; }
.f-qr { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.f-qr-item { display: grid; justify-items: center; gap: 6px; font-size: .78rem; text-align: center; }
.f-qr-item img { width: 100%; max-width: 96px; height: auto; aspect-ratio: 1; background: #fff; border-radius: 10px; padding: 5px; box-sizing: border-box; }
.f-certs { border-top: 1px solid rgba(255, 255, 255, .12); padding: 24px 0 28px; }
.cert-row { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 14px; }
.cert-row li { width: 96px; height: 96px; background: #fff; border-radius: 12px; padding: 8px; box-sizing: border-box; display: grid; place-items: center; }
.cert-row img { width: 100%; height: 100%; object-fit: contain; }
@media (max-width: 560px) { .cert-row { gap: 10px; } .cert-row li { width: 76px; height: 76px; padding: 6px; } }
.f-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 16px 0 20px; }
.chat-dock { position: fixed; right: 20px; bottom: 20px; z-index: 50; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.chat-dock .bk-fab { position: static; }
.chat-btn { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; color: #fff; text-decoration: none; box-shadow: 0 8px 20px rgba(0, 0, 0, .18); transition: transform .15s ease; }
.chat-btn:hover { transform: translateY(-2px) scale(1.05); }
.chat-zalo { background: #0068FF; font-weight: 800; font-size: .82rem; letter-spacing: .2px; }
.chat-messenger { background: linear-gradient(45deg, #0099FF, #A033FF 60%, #FF5280); }
.chat-messenger svg { width: 26px; height: 26px; fill: #fff; }
.dland-card, .book-card { grid-column: 1 / -1; }
.channel-grid { align-items: stretch; }
.ch-media { height: 352px; border-radius: 12px; overflow: hidden; background: #0F1F1E; display: flex; justify-content: center; }
.ch-media iframe { width: 100%; height: 100%; border: 0; border-radius: 0; }
.ch-tiktok-media iframe { width: 237px; flex: none; }
.ch-fb-media { background: #fff; border: 1px solid var(--line); }
.ch-fb-media iframe { max-width: 500px; }
.channel .follow-card { margin-top: auto; min-height: 176px; box-sizing: border-box; }
svg.follow-qr { display: block; }
.follow-duo { justify-content: center; gap: 28px; }
.duo-item { display: grid; justify-items: center; gap: 8px; color: var(--teal-dark); font-weight: 700; font-size: .9rem; text-decoration: none; }
.duo-item:hover { color: var(--coral); }
.duo-item .follow-qr { width: 120px; height: 120px; }
.tt-video { display: block; width: 100%; max-width: 325px; aspect-ratio: 9 / 16; height: auto; margin: 0 auto; border: 0; border-radius: 12px; background: #111; }
.ig-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 16px; }
.ig-embed { width: 100%; height: 520px; border: 0; border-radius: 12px; background: var(--mint); }
.fb-post { display: block; width: 100%; max-width: 500px; height: 560px; border: 0; border-radius: 12px; background: var(--mint); }
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } .ig-row { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } .chat-dock { right: 16px; bottom: 16px; } .chat-btn { width: 46px; height: 46px; } }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-inner p { margin: 0; }
.powered span { color: #D9A877; }

/* DTO hero paths + academy intro */
.paths { display: grid; gap: 16px; }
.path { display: block; text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; transition: transform .15s ease, border-color .15s ease; }
.path:hover { transform: translateY(-3px); border-color: var(--teal); }
.path h3 { margin-bottom: .3em; }
.path p { color: var(--muted); margin: 0 0 .8rem; font-size: .95rem; }
.path-alt { background: var(--ink); border-color: var(--ink); }
.path-alt h3 { color: #fff; }
.path-alt p { color: #C9E3DF; }
.path-alt .path-link { color: #F0B98A; }
.path-logo { height: 34px; width: auto; margin-bottom: 12px; }
.path-kicker { font-size: .78rem !important; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #D9A877 !important; margin: 0 0 .4rem !important; }
.path-link { font-weight: 600; color: var(--coral); font-size: .95rem; }
.academy-intro { background: linear-gradient(180deg, var(--mint) 0%, #fff 100%); }
.academy-head { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 2.4rem; }
.academy-logo { height: 48px; width: auto; }
.academy-head .universe { margin: 0; }
.academy-title { font-size: clamp(2rem, 5vw, 3.4rem); }

/* Inner pages */
.nav a[aria-current="page"]:not(.btn) { color: var(--teal-dark); font-weight: 600; }
.page-hero { padding: 64px 0 48px; background: linear-gradient(180deg, var(--mint) 0%, #fff 100%); }
.page-hero .lead { margin-bottom: 0; }
.split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.split-logo { width: min(280px, 100%); justify-self: center; }
.meaning, .facts { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: 14px; }
.meaning li { padding-left: 16px; border-left: 3px solid var(--copper); color: var(--muted); }
.meaning b { display: block; color: var(--ink); }
.facts li { position: relative; padding-left: 26px; }
.facts li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.paths-row { grid-template-columns: 1fr 1fr; }
.d-card-line { border: 1px solid var(--line); }
.founder-wide { grid-template-columns: 240px 1fr; align-items: start; }
.founder-photo-lg { width: 240px; height: 240px; }
.cta-band { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { margin-bottom: .2em; }
.cta-band p { margin: 0; }
.programs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.program { display: grid; grid-template-columns: 160px 1fr; gap: 20px; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.program img, .program-mark { width: 160px; height: 120px; border-radius: 12px; object-fit: cover; }
.program-mark { display: grid; place-items: center; background: var(--ink); color: #F0B98A; font-family: var(--head); font-weight: 800; font-size: 1.6rem; }
.program p { color: var(--muted); margin: 0; font-size: .95rem; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.steps li { counter-increment: s; background: #fff; border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 6px; }
.steps li::before { content: counter(s); width: 36px; height: 36px; border-radius: 50%; background: var(--coral); color: #fff; font-family: var(--head); font-weight: 800; display: grid; place-items: center; margin-bottom: 6px; }
.steps b { color: var(--ink); font-size: 1.1rem; }
.steps span { color: var(--muted); font-size: .95rem; }
.card-no { border-color: #F7C4B6; }
.card-no h3 { color: #C2461F; }
.feature { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: center; }
.compass-lg { width: 180px; height: 180px; justify-self: center; }
.contact-page { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.contact-list { display: grid; gap: 22px; }
.contact-item span { display: block; font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-dark); }
.contact-item p, .contact-item > a { margin: .2rem 0 0; font-size: 1.1rem; color: var(--ink); font-weight: 500; }
.contact-item a { color: var(--ink); }
.qr-grid-light figure { border: 1px solid var(--line); }

@media (max-width: 880px) {
  .split, .paths-row, .programs, .steps, .feature, .contact-page { grid-template-columns: 1fr; }
  .founder-wide { grid-template-columns: 1fr; }
  .founder-photo-lg { width: 160px; height: 160px; }
  .program { grid-template-columns: 110px 1fr; }
  .program img, .program-mark { width: 110px; height: 90px; }
}

/* Học viện page */
.page-hero .academy-logo { margin-bottom: 18px; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.timeline li { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: start; background: #fff; border-radius: 14px; padding: 16px 20px; }
.timeline b { color: var(--ink); font-size: 1.05rem; }
.timeline p { margin: .2rem 0 0; color: var(--muted); font-size: .95rem; }
.tl-week { display: inline-block; text-align: center; padding: .35em .8em; border-radius: 999px; background: var(--teal); color: #fff; font-weight: 600; font-size: .9rem; }
.tl-out { background: var(--coral); }
.tl-final { background: var(--ink); }
.note { font-size: .9rem; color: var(--muted); margin: 14px 0 32px; }
.laban-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.outputs { background: #fff; border-radius: var(--radius); padding: 26px; }
.price-box { background: var(--ink); color: #D8EDEA; border-radius: var(--radius); padding: 26px; }
.price-big { font-family: var(--head); font-weight: 800; font-size: clamp(2.2rem, 5vw, 3rem); color: #fff; margin: 0; line-height: 1.1; }
.price-box p { margin: .4rem 0 1.2rem; }
.guarantee { grid-template-columns: 1fr 1fr; }
.card-yes { border-color: var(--teal); background: #fff; }
.card-yes h3 { color: var(--teal-dark); }
.guarantee .card-no { background: #fff; }
.banner-flat { margin: 0; }
.banner-flat img { width: 100%; height: auto; border-radius: var(--radius); }
#trum-hoc-bong .steps { margin-bottom: 8px; }

@media (max-width: 880px) {
  .laban-grid, .guarantee { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; }
  .tl-week { justify-self: start; }
}

/* Footer logo strip + feature logo */
.logo-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.strip-logo { height: 30px; width: auto; }
.strip-sep { width: 1px; height: 28px; background: rgba(255,255,255,.25); }
.strip-powered { color: #9CC9C3; font-size: .85rem; }
.feature-logo { width: min(320px, 100%); height: auto; justify-self: center; }

.eyebrow-logo { display: block; height: 40px; width: auto; margin: 0 0 1rem; }

.path { overflow: hidden; }
.path-photo { display: block; width: calc(100% + 52px); max-width: none; height: auto; aspect-ratio: 16 / 7; object-fit: cover; margin: -24px -26px 18px; }

/* Program details */
.timeline-light li { background: var(--mint); }
.laban-grid-top { margin-top: 28px; }
.outputs-line { border: 1px solid var(--line); }
.card-price { font-family: var(--head); font-weight: 700; color: var(--ink) !important; font-size: 1.2rem; margin: 0 0 .4rem !important; }
.tiers { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.tiers li { padding: 10px 12px; border-radius: 10px; background: var(--mint); color: var(--muted); font-size: .92rem; }
.tiers b { display: block; color: var(--ink); }
.card .note { margin: 10px 0 0; }

.price s { color: var(--muted); font-size: .85em; font-weight: 500; margin-right: 6px; }
.price-note { font-size: .85rem; font-weight: 600; color: var(--coral); margin: -.6rem 0 1rem; }

.commit { display: flex; flex-direction: column; gap: 4px; margin: 24px 0 0; padding: 18px 22px; border-radius: var(--radius); background: var(--ink); color: #D8EDEA; }
.commit b { font-family: var(--head); font-size: 1.3rem; color: #fff; }

.steps .step-price { margin-top: auto; padding-top: 8px; font-weight: 700; color: var(--ink); font-size: 1rem; }
.price-note-free { color: var(--teal-dark); font-weight: 500; }
.free-hat { margin: 0 0 1.2rem; padding: 12px 16px; border-radius: 12px; background: var(--mint); }

.commit-gap { margin: 0 0 20px; }

/* Real photos: every image keeps its own (pre-cropped) ratio so the logo is never cut */
.img-natural { aspect-ratio: auto !important; height: auto !important; }
.photo-grid img, .mosaic img, .gallery img, .d-photos img, .card-collage img, .program-photos img, .hero-collage img, .banner-photo img, .booking-photo, .hero-photo { display: block; width: 100%; height: auto; border-radius: 14px; }
.booking-photo { margin-top: 24px; border-radius: var(--radius); }
.hero-photo { margin-top: 32px; border-radius: var(--radius); }
.hero-collage { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 32px; }
.photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; align-items: start; }
.photo-grid-3 { grid-template-columns: repeat(3, 1fr); }
.photo-grid-5 { grid-template-columns: repeat(5, 1fr); }
.photo-grid + .note { margin-top: 10px; }
.mosaic { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 20px; }
.mosaic img { grid-column: span 2; }
.mosaic img:nth-child(n+4) { grid-column: span 3; }
.gallery { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-top: 20px; }
.gallery figure { position: relative; flex: 0 0 calc((100% - 54px) / 4); margin: 0; overflow: hidden; border-radius: 14px; cursor: pointer; outline: none; }
.gallery figure img { transition: transform .45s ease; }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; padding: 36px 14px 12px; color: #fff; font-size: .92rem; font-weight: 600; line-height: 1.35; background: linear-gradient(180deg, rgba(18, 60, 57, 0), rgba(18, 60, 57, .9)); opacity: 0; transform: translateY(10px); transition: opacity .3s ease, transform .3s ease; }
.gallery figure:hover figcaption, .gallery figure:focus figcaption, .gallery figure:focus-within figcaption { opacity: 1; transform: none; }
.gallery figure:hover img, .gallery figure:focus img { transform: scale(1.05); }
.gallery figure:focus-visible { box-shadow: 0 0 0 3px var(--teal); }
.gallery-hint { margin: 8px 0 0; color: var(--muted); font-size: .92rem; }
.d-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: -8px -8px 18px; position: relative; z-index: 1; }
.d-photos img { border-radius: 10px; }
.card-collage { display: grid; gap: 4px; margin: -26px -26px 18px; }
.card-collage-2 { grid-template-columns: 1fr 1fr; }
.card-collage-3 { grid-template-columns: 1fr 1fr; }
.card-collage-3 img:first-child { grid-column: 1 / -1; }
.card-collage img { border-radius: 0; }
.card-photo .card-collage img { width: 100%; margin: 0; aspect-ratio: auto; }
.program .program-photos { width: 160px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.program .program-photos img { width: 100%; height: auto; border-radius: 8px; object-fit: initial; }
.program-photos-3 img:first-child { grid-column: 1 / -1; }
.banner-photo { margin: 32px 0 0; }
.banner-photo figcaption { font-size: .88rem; color: var(--muted); margin-top: 8px; }
.achieve { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 24px; }
.achieve div { background: var(--mint); border-radius: var(--radius); padding: 20px 16px; text-align: center; }
.achieve b { display: block; font-family: var(--head); font-size: clamp(1.4rem, 2.6vw, 2rem); color: var(--teal-dark); line-height: 1.15; }
.achieve span { display: block; margin-top: 6px; font-size: .9rem; color: var(--muted); }
.event { margin-top: 40px; }
.event-meta { color: var(--muted); margin: 4px 0 0; }
.blog-empty { margin-top: 24px; padding: 28px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; color: var(--muted); }
@media (max-width: 860px) {
  .photo-grid, .photo-grid-3, .photo-grid-5, .hero-collage { grid-template-columns: repeat(2, 1fr); }
  .gallery figure { flex-basis: calc((100% - 18px) / 2); }
  .mosaic { grid-template-columns: 1fr 1fr; }
  .mosaic img, .mosaic img:nth-child(n+4) { grid-column: auto; }
  .achieve { grid-template-columns: repeat(2, 1fr); }
  .achieve div:last-child { grid-column: 1 / -1; }
  .program .program-photos { width: 110px; }
}

/* Program cards: even photo frame + short text */
.prog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.prog-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.prog-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; color: inherit; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
a.prog-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(18, 60, 57, .12); }
.pc { display: grid; gap: 3px; aspect-ratio: 3 / 2; background: var(--mint); }
.pc img { width: 100%; height: 100%; object-fit: cover; object-position: right bottom; display: block; }
.pc-2 { grid-template-columns: 1fr 1fr; }
.pc-3 { grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.pc-3 img:first-child { grid-row: 1 / 3; }
.prog-body { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px 22px; flex: 1; }
.prog-body h3 { margin: 0; font-size: 1.25rem; line-height: 1.25; }
.prog-body p { margin: 0; color: var(--muted); }
.prog-grid-4 .prog-body { padding: 16px 18px 18px; }
.prog-grid-4 .prog-body h3 { font-size: 1.08rem; }
.prog-grid-4 .prog-body p { font-size: .92rem; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 0; padding: 0; }
.chips li { padding: 4px 10px; border-radius: 999px; background: var(--mint); color: var(--teal-dark); font-size: .82rem; font-weight: 600; }
.prog-price { margin-top: auto !important; padding-top: 6px; font-family: var(--head); font-weight: 700; font-size: 1.2rem; color: var(--coral) !important; }
@media (max-width: 1000px) { .prog-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .prog-grid, .prog-grid-4 { grid-template-columns: 1fr; } }

/* Story pop-ups, lightbox, zoomable photos */
.story-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 24px; }
.story-word { width: 150px; max-width: 100%; height: auto; }
.logo-stack { display: grid; gap: 16px; justify-items: center; }
.logo-stack > img:first-child, .logo-stack > svg { width: 100%; height: auto; }
.logo-stack .story-word { width: 100%; }
.letter-head { display: flex; align-items: center; gap: 22px; margin-bottom: 8px; }
.letter-head img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; flex: none; border: 4px solid var(--mint); }
.letter-head h2 { margin: 0; }
.letter-by { margin: 4px 0 0; color: var(--muted); font-weight: 600; }
.sdg-list { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 16px; }
.sdg-list li { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: start; }
.sdg-tile { width: 64px; height: 64px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-family: var(--head); font-size: 1.6rem; }
.sdg-list h3 { margin: 0 0 4px; font-size: 1.05rem; }
.sdg-list p { margin: 0; color: var(--muted); }
.sdg-list small { display: block; margin-top: 4px; color: var(--teal-dark); font-weight: 600; }
.story-card:hover .story-sdg { transform: rotate(40deg); }
.story-card { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 26px 18px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; font: inherit; color: inherit; text-align: center; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.story-card:hover, .story-card:focus-visible { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(18, 60, 57, .12); border-color: var(--teal); outline: none; }
.story-card h3 { margin: 8px 0 0; font-size: 1.08rem; }
.story-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.story-open { margin-top: auto; padding-top: 6px; color: var(--coral); font-weight: 700; font-size: .92rem; }
.story-thumb { width: 110px; height: 110px; object-fit: contain; transition: transform .5s ease; }
.story-photo { border-radius: 50%; object-fit: cover; }
.story-card:hover .story-thumb { transform: rotate(-8deg) scale(1.06); }
.story-card:hover .story-compass .needle { transform: rotate(40deg); }
.needle { transform-origin: 100px 100px; transition: transform .6s ease; }
.story-modal { width: min(820px, calc(100% - 32px)); max-height: calc(100% - 40px); border: 0; border-radius: var(--radius); padding: 0; box-shadow: 0 30px 80px rgba(0, 0, 0, .3); }
.story-modal::backdrop { background: rgba(18, 60, 57, .6); }
.story-body { padding: 40px 44px; }
.story-close { position: sticky; top: 12px; float: right; margin: 12px 12px 0 0; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--mint); color: var(--ink); font-size: 1.6rem; line-height: 1; cursor: pointer; z-index: 2; }
.story-letter p { line-height: 1.75; }
.story-letter .signature { display: block; width: 260px; max-width: 70%; margin: 18px 0 0 auto; }
.story-logo { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: center; }
.story-logo > img, .story-logo > svg { width: 100%; height: auto; }
.spin-in { animation: spin-in 1s ease both; }
.fly-in { animation: fly-in 1s ease both; }
.spin-needle .needle { animation: needle 2.4s ease both; }
@keyframes spin-in { from { transform: rotate(-180deg) scale(.6); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fly-in { from { transform: translate(-40px, 40px) scale(.7); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes needle { 0% { transform: rotate(0); } 35% { transform: rotate(200deg); } 60% { transform: rotate(-30deg); } 80% { transform: rotate(12deg); } 100% { transform: rotate(0); } }
img.zoomable { cursor: zoom-in; }
.lightbox { width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(8, 20, 19, .94); }
.lightbox[open] { display: flex; align-items: center; justify-content: center; }
.lightbox figure { margin: 0; max-width: 92vw; max-height: 90vh; display: grid; gap: 10px; justify-items: center; }
.lightbox img { max-width: 92vw; max-height: 80vh; width: auto; height: auto; border-radius: 10px; }
.lightbox figcaption { color: #E6F2F0; font-size: .95rem; display: flex; gap: 16px; }
.lb-count { color: #9CC9C3; }
.lb-close, .lb-prev, .lb-next { position: fixed; border: 0; background: rgba(255, 255, 255, .12); color: #fff; width: 48px; height: 48px; border-radius: 50%; font-size: 1.8rem; line-height: 1; cursor: pointer; }
.lb-close { top: 18px; right: 18px; }
.lb-prev { left: 18px; top: 50%; }
.lb-next { right: 18px; top: 50%; }
.lb-single .lb-prev, .lb-single .lb-next { display: none; }
@media (max-width: 1100px) and (min-width: 861px) { .story-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .story-grid { grid-template-columns: repeat(2, 1fr); } .story-logo { grid-template-columns: 1fr; justify-items: center; } .story-logo > img, .story-logo > svg, .story-logo > .logo-stack { width: 180px; } .letter-head { flex-direction: column; align-items: flex-start; } .story-body { padding: 28px 22px; } }
@media (prefers-reduced-motion: reduce) { .spin-in, .fly-in, .spin-needle .needle { animation: none; } }

/* Trùm Học Bổng package */
.package { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; margin: 24px 0 0; padding: 20px 24px; border-radius: var(--radius); background: #fff; border: 2px solid var(--teal); }
.package b { display: block; font-family: var(--head); font-size: 1.3rem; color: var(--ink); }
.package span { color: var(--muted); }
.package .price { margin: 0; font-size: 1.6rem; color: var(--coral); }

/* Skool cover */
.feature-cover { display: block; border-radius: var(--radius); overflow: hidden; box-shadow: 0 12px 30px rgba(18, 60, 57, .14); }
.feature-cover img { display: block; width: 100%; height: auto; }

/* Content channels */
.channel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 24px; }
.channel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.channel-head { display: flex; gap: 14px; align-items: center; }
.channel-head h3 { margin: 0; font-size: 1.15rem; }
.channel-head p { margin: 2px 0 0; color: var(--muted); font-size: .95rem; }
.channel-handle { font-weight: 500; color: var(--muted); font-size: .9rem; }
.channel-icon, .channel-avatar { flex: none; width: 48px; height: 48px; border-radius: 50%; }
.channel-icon { display: grid; place-items: center; color: #fff; }
.channel-icon svg { width: 26px; height: 26px; fill: currentColor; }
.ch-spotify { background: #1DB954; }
.ch-tiktok { background: #111; }
.ch-facebook { background: #1877F2; }
.channel iframe { display: block; width: 100%; border: 0; border-radius: 12px; }
.embed-spotify { height: 232px; }
.embed-video { position: relative; aspect-ratio: 16 / 9; }
.embed-video iframe { position: absolute; inset: 0; height: 100%; }
.follow-card { display: flex; gap: 18px; align-items: center; padding: 18px; border-radius: 12px; background: var(--mint); }
.follow-card .btn { white-space: nowrap; }
.follow-card p { margin: 0 0 12px; color: var(--text); font-size: .95rem; }
.follow-qr { flex: none; width: 140px; height: 140px; border-radius: 10px; background: #fff; padding: 6px; box-sizing: border-box; }
.tag { display: inline-block; margin-bottom: 10px; padding: 4px 10px; border-radius: 999px; background: var(--mint); color: var(--teal-dark); font-size: .8rem; font-weight: 700; }
.tag-soon { background: #F1F3F3; color: var(--muted); }
.link-row { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 0; }
@media (max-width: 480px) { .follow-card { flex-direction: column; align-items: flex-start; } }
.channel .text-link { margin-top: auto; }

/* Booking */
.booking-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.booking-points { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: 10px; }
.booking-points li { padding-left: 28px; position: relative; }
.booking-points li::before { content: ""; position: absolute; left: 0; top: .35em; width: 16px; height: 16px; border-radius: 50%; background: var(--teal); box-shadow: inset 0 0 0 4px #fff; border: 2px solid var(--teal); box-sizing: border-box; }
.booking-card { background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: 0 12px 30px rgba(18, 60, 57, .10); min-height: 200px; }
.bk-form { display: grid; gap: 16px; }
.bk-field { margin: 0; padding: 0; border: 0; min-width: 0; display: grid; gap: 6px; }
.bk-field > label, .bk-field legend { font-weight: 600; color: var(--ink); font-size: .95rem; padding: 0; }
.bk-req { color: var(--coral); }
.bk-field input:not([type=radio]):not([type=checkbox]), .bk-field select, .bk-field textarea { width: 100%; box-sizing: border-box; font: inherit; color: var(--text); padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.bk-field input:focus, .bk-field select:focus, .bk-field textarea:focus { outline: 2px solid var(--teal); outline-offset: 1px; border-color: var(--teal); }
.bk-opts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.bk-opt { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: .93rem; }
.bk-opt:has(input:checked) { border-color: var(--teal); background: var(--mint); color: var(--ink); }
.bk-opt input { accent-color: var(--teal); margin: 0; }
.bk-err { margin: 0; color: #C0392B; font-size: .85rem; min-height: 0; }
.bk-err:empty { display: none; }
.bk-invalid input, .bk-invalid select, .bk-invalid textarea { border-color: #C0392B !important; }
.bk-form-err { margin: 0; color: #C0392B; font-weight: 500; }
.bk-form-err:empty { display: none; }
.bk-form .btn-block { width: 100%; border: 0; cursor: pointer; font: inherit; font-weight: 700; }
.bk-form .btn-block:disabled { opacity: .7; cursor: progress; transform: none; }
.bk-done { text-align: center; padding: 24px 8px; }
.bk-done-title { font-family: var(--head); font-size: 1.5rem; font-weight: 700; color: var(--teal-dark); margin: 0 0 8px; }
.bk-fail { margin: 0; }
.bk-skeleton { display: grid; gap: 14px; }
.bk-skeleton span { height: 44px; border-radius: 10px; background: linear-gradient(90deg, var(--mint), #f5fbfa, var(--mint)); background-size: 200% 100%; animation: bk-shimmer 1.2s infinite linear; }
@keyframes bk-shimmer { to { background-position: -200% 0; } }
.bk-modal { width: min(560px, calc(100% - 32px)); max-height: calc(100% - 32px); border: 0; border-radius: var(--radius); padding: 0; box-shadow: 0 30px 80px rgba(0, 0, 0, .3); }
.bk-modal::backdrop { background: rgba(18, 60, 57, .55); }
.bk-modal-head { display: flex; justify-content: space-between; align-items: start; gap: 16px; padding: 24px 28px 0; }
.bk-modal-head h2 { margin: 0; font-size: 1.6rem; }
.bk-modal-head .eyebrow { margin: 0; }
.bk-close { border: 0; background: var(--mint); color: var(--ink); width: 40px; height: 40px; border-radius: 50%; font-size: 1.6rem; line-height: 1; cursor: pointer; flex: none; }
.bk-modal-body { padding: 20px 28px 28px; }
.bk-fab { position: fixed; right: 20px; bottom: 20px; z-index: 50; border: 0; cursor: pointer; font: inherit; font-weight: 700; color: #fff; background: var(--coral); padding: 14px 22px; border-radius: 999px; box-shadow: 0 10px 26px rgba(255, 107, 74, .45); transition: transform .15s ease; }
.bk-fab:hover { transform: translateY(-2px); }
@media (max-width: 860px) {
  .booking-grid { grid-template-columns: 1fr; gap: 28px; }
  .booking-card { padding: 22px; }
  .bk-fab { right: 16px; bottom: 16px; padding: 12px 18px; }
  .bk-modal-head { padding: 20px 20px 0; }
  .bk-modal-body { padding: 16px 20px 22px; }
}

/* Collapse the menu before the nav wraps */
.nav a { white-space: nowrap; }
@media (max-width: 1080px) {
  .menu-toggle { display: inline-block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav a.btn { margin-top: 12px; text-align: center; border-bottom: 0; }
}

/* Images */
.brand-logo { height: 42px; width: auto; mix-blend-mode: multiply; }
.credential { display: inline-block; margin: 1.2rem 0 0; padding: .5em 1em; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: .92rem; color: var(--ink); }
.photo-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.photo-pair figure, .banner { margin: 0; }
.photo-pair img, .banner img { width: 100%; height: auto; border-radius: var(--radius); object-fit: cover; }
.photo-pair figcaption, .banner figcaption { font-size: .88rem; color: var(--muted); margin-top: 8px; }
.banner { margin-bottom: 28px; }
.banner img { aspect-ratio: 5 / 2; }
.card-photo img { width: calc(100% + 52px); max-width: none; margin: -26px -26px 18px; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius) var(--radius) 0 0; }
.card-photo { overflow: hidden; }
.founder-photo { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; }
.qr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; justify-self: end; width: min(340px, 100%); }
.qr-grid figure { margin: 0; background: #fff; border-radius: 14px; padding: 12px 12px 8px; text-align: center; }
.qr-grid img { width: 100%; height: auto; }
.qr-grid figcaption { color: var(--ink); font-weight: 600; font-size: .85rem; margin-top: 4px; }
.powered { display: flex; align-items: center; gap: 12px; }
.dto-logo { height: 36px; width: auto; }

/* Mobile */
@media (max-width: 880px) {
  body { font-size: 16px; }
  .menu-toggle { display: inline-block; }
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav a.btn { margin-top: 12px; text-align: center; border-bottom: 0; }
  .hero { padding: 48px 0 40px; }
  .hero-grid, .layers, .three-d, .levels, .results-grid, .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-grid div + div { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 64px 0; }
  .founder { grid-template-columns: 1fr; gap: 24px; }
  .founder-mark { width: 110px; height: 110px; font-size: 2.2rem; }
  .qr-box { justify-self: start; }
  .brand-logo { height: 34px; }
  .photo-pair { grid-template-columns: 1fr; }
  .founder-photo { width: 120px; height: 120px; }
  .qr-grid { justify-self: start; }
  .banner img { aspect-ratio: 3 / 2; }
}

/* blog */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 24px; }
.post-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: inherit; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.post-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(18, 60, 57, .12); }
.post-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.post-card-body { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px 20px; flex: 1; }
.post-card h3 { margin: 0; font-size: 1.1rem; line-height: 1.35; }
.post-card p { margin: 0; color: var(--muted); font-size: .92rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .post-meta { color: var(--teal-dark); font-weight: 600; font-size: .82rem; }
.post-wrap { max-width: 760px; }
.post-wrap h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.2; }
.post-cover { width: 100%; border-radius: var(--radius); margin: 12px 0 8px; aspect-ratio: 16 / 9; object-fit: cover; }
.post-body { font-size: 1.05rem; line-height: 1.8; }
.post-body h2 { margin: 1.8em 0 .5em; font-size: 1.45rem; }
.post-body h3 { margin: 1.4em 0 .4em; font-size: 1.15rem; }
.post-body ul, .post-body ol { padding-left: 1.3em; }
.post-body li { margin: .35em 0; }
.post-body blockquote { margin: 1.6em 0; padding: 14px 20px; border-left: 4px solid var(--coral); background: var(--mint); border-radius: 0 12px 12px 0; font-weight: 600; }
.post-body blockquote p { margin: 0; }
.post-body img { width: 100%; border-radius: 12px; }
.post-end { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
@media (max-width: 960px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .blog-grid { grid-template-columns: 1fr; } }

/* bảng 7 trụ */
.pb-board { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin-top: 22px; }
.pb-layer { display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }
.pb-layer .layer-label { width: 100%; margin: 0; }
.pb-pill { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px 10px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; transition: all .2s ease; }
.pb-pill span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--mint); color: var(--teal-dark); font-weight: 800; }
.pb-pill:hover { border-color: var(--teal); }
.pb-pill.on { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }
.pb-pill.on span { background: var(--coral); color: #fff; }
.pb-panel { grid-column: 1 / -1; background: #fff; border-radius: var(--radius); padding: 26px 28px; box-shadow: 0 10px 30px rgba(18, 60, 57, .08); }
.pb-panel h3 { margin: 0 0 14px; font-size: 1.4rem; }
.pb-change { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch; }
.pb-change > div { padding: 14px 16px; border-radius: 12px; background: #F4F6F6; }
.pb-change > span { align-self: center; font-size: 1.6rem; color: var(--coral); }
.pb-change .pb-after { background: var(--mint); }
.pb-change small { font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; }
.pb-change p { margin: 4px 0 0; }
.pb-stat { margin-top: 16px; padding: 14px 18px; border-left: 4px solid var(--coral); background: #FFF6F2; border-radius: 0 12px 12px 0; }
.pb-stat p { margin: 4px 0 0; }
.pb-src { display: block; font-size: .82rem; color: var(--muted); }
.pb-class { margin: 16px 0 14px; }
.pb-two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 22px; }
.pb-card { background: #fff; border-radius: var(--radius); padding: 24px 26px; box-shadow: 0 10px 30px rgba(18, 60, 57, .06); }
.pb-card h3 { margin: 0 0 4px; }
.pb-note { margin: 0 0 14px; color: var(--muted); font-size: .92rem; }
.pb-radar { display: block; width: 100%; max-width: 300px; margin: 0 auto 10px; }
.pb-ring { fill: none; stroke: var(--line); }
.pb-axis { stroke: var(--line); }
.pb-lbl { font-size: 13px; font-weight: 700; fill: var(--teal-dark); text-anchor: middle; dominant-baseline: middle; }
.pb-shape { fill: rgba(30, 163, 146, .25); stroke: var(--teal); stroke-width: 2.5; transition: all .2s ease; }
.pb-sliders { display: grid; gap: 6px; }
.pb-sliders label { display: grid; grid-template-columns: 1fr 120px 24px; gap: 10px; align-items: center; font-size: .9rem; }
.pb-sliders input { accent-color: var(--teal); width: 100%; }
.pb-sliders output { font-weight: 700; color: var(--teal-dark); text-align: right; }
.pb-advice { margin: 14px 0 0; padding: 12px 14px; background: var(--mint); border-radius: 12px; font-size: .95rem; }
.pb-path { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.pb-path li { position: relative; padding: 12px 14px 12px 18px; border-radius: 12px; border: 1px solid var(--line); opacity: .55; transition: all .3s ease; }
.pb-path li.on { opacity: 1; border-color: var(--teal); background: var(--mint); box-shadow: inset 4px 0 0 var(--coral); }
.pb-path b { color: var(--coral); margin-right: 8px; }
.pb-yt { font-weight: 700; }
.pb-path p { margin: 4px 0 2px; font-size: .92rem; }
.pb-path small { color: var(--teal-dark); font-weight: 600; font-size: .8rem; }
.pb-calc { margin-top: 22px; }
.pb-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pb-inputs label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; }
.pb-inputs input { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; }
.pb-result { margin: 16px 0 4px; font-size: 1.1rem; }
.pb-lost { color: var(--coral); font-size: 1.6rem; font-family: var(--head); }
.pb-ratio { margin: 0; color: var(--teal-dark); font-weight: 600; }
.pb-disclaimer { margin: 18px 0 0; font-size: .82rem; color: var(--muted); }
@media (max-width: 860px) { .pb-board, .pb-two, .pb-inputs { grid-template-columns: 1fr; } .pb-change { grid-template-columns: 1fr; } .pb-change > span { transform: rotate(90deg); justify-self: center; } }