/* ==========================================================================
   AnPhuDong.org — Family Garden Atlas
   Vibe: khu dân cư trẻ + giáo dục + gia đình + cửa ngõ Đông Bắc TP.HCM
   Palette: forest deep + Global-Star cream + sage + honey + clay + sky + berry
   Fonts: Crimson Pro (warm humanist serif) + Plus Jakarta Sans + Space Mono
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --ink: #2c3e30;
  --ink-2: #3a4f3d;
  --ink-soft: #5a6e5d;
  --paper: #faf6ec;          /* CREAM Global Star — liên kết visual */
  --paper-2: #f0e9d4;
  --paper-3: #e6dcc0;
  --sage: #6b8a6a;
  --sage-deep: #4a6b4d;
  --sage-pale: #c5d4c0;
  --honey: #e8a838;
  --honey-soft: #f5c860;
  --honey-deep: #c08a20;
  --clay: #b8704a;            /* gỗ mộc xưởng */
  --clay-deep: #8a4f30;
  --clay-pale: #e6c5ac;
  --sky: #6a9bb5;             /* xanh sông + gia đình */
  --sky-deep: #4a7d97;
  --berry: #c44a5e;           /* Global Star logo đỏ accent */
  --berry-deep: #9a2e42;
  --line: rgba(44, 62, 48, 0.13);
  --line-strong: rgba(44, 62, 48, 0.28);

  --f-serif: 'Crimson Pro', Georgia, 'Times New Roman', serif;
  --f-sans:  'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --f-mono:  'Space Mono', 'IBM Plex Mono', Consolas, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 56px);
  --shadow-sm: 0 1px 2px rgba(44, 62, 48, 0.08);
  --shadow-md: 0 4px 18px rgba(44, 62, 48, 0.12);
  --shadow-lg: 0 14px 40px rgba(44, 62, 48, 0.18);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== RESET ===== */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--f-serif); font-weight: 600; line-height: 1.15; letter-spacing: -0.012em; }

.skip-link {
  position: absolute; top: -100px; left: 12px;
  background: var(--ink); color: var(--paper); padding: 12px 18px;
  border-radius: 8px; z-index: 100; font-weight: 600;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--honey-deep); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.icon { width: 1em; height: 1em; vertical-align: -0.125em; fill: currentColor; flex: none; }

/* ===== POSTMARK — light sage strip ===== */
.postmark {
  background: var(--sage-deep);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 9px 0;
  position: relative;
}
.postmark::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--berry) 0%, var(--berry) 25%, var(--honey) 25%, var(--honey) 50%, var(--sage) 50%, var(--sage) 75%, var(--sky) 75%, var(--sky) 100%);
}
.postmark__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; gap: clamp(14px, 3vw, 36px); flex-wrap: wrap;
}
.postmark__item { display: inline-flex; align-items: center; gap: 9px; opacity: 0.92; white-space: nowrap; }
.postmark__item::before {
  content: ""; width: 7px; height: 7px;
  background: var(--honey-soft);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.postmark__item:nth-child(2)::before { background: var(--berry); }
.postmark__item:nth-child(3)::before { background: var(--sky); }

/* ===== MASTHEAD ===== */
.masthead {
  background: var(--paper); position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease);
}
.masthead.is-scrolled { box-shadow: var(--shadow-sm); }
.masthead__inner {
  max-width: var(--container); margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__icon { width: 44px; height: 44px; border-radius: 11px; flex: none; }
.brand__name {
  font-family: var(--f-serif); font-size: 26px; font-weight: 600;
  letter-spacing: -0.015em; line-height: 1;
}
.brand__sub {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 700;
  color: var(--honey-deep); letter-spacing: 0.16em; text-transform: uppercase;
  display: block; margin-top: 5px;
}

.nav { display: flex; gap: clamp(16px, 2.5vw, 32px); margin-left: auto; }
.nav a {
  font-size: 15px; font-weight: 500; padding: 6px 0;
  position: relative; transition: color 0.2s var(--ease);
}
.nav a:hover { color: var(--honey-deep); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--honey); transition: right 0.3s var(--ease);
}
.nav a:hover::after { right: 0; }

.cta-btn {
  background: var(--ink); color: var(--paper);
  font-family: var(--f-sans); font-size: 14px; font-weight: 600;
  padding: 12px 22px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.25s var(--ease);
  box-shadow: 0 2px 0 #1a261c;
}
.cta-btn:hover { background: var(--ink-2); transform: translateY(-1px); box-shadow: 0 4px 0 #1a261c; }
.cta-btn .icon { font-size: 16px; }
.cta-btn--honey { background: var(--honey-deep); box-shadow: 0 2px 0 #8a5e10; }
.cta-btn--honey:hover { background: var(--honey); box-shadow: 0 4px 0 #8a5e10; color: var(--ink); }

.hamburger {
  width: 44px; height: 44px; border-radius: 11px;
  background: var(--ink); color: var(--paper);
  display: none; align-items: center; justify-content: center;
  margin-left: auto;
}
.hamburger svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; }
@media (max-width: 900px) {
  .nav, .masthead .cta-btn { display: none; }
  .hamburger { display: inline-flex; }
}

/* ===== DRAWER ===== */
.drawer {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(44, 62, 48, 0.55); backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(360px, 88vw);
  background: var(--paper); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 18px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
  overflow-y: auto;
}
.drawer.is-open .drawer__panel { transform: translateX(0); }
.drawer__close {
  align-self: flex-end; width: 38px; height: 38px;
  border-radius: 50%; background: var(--paper-2);
  display: inline-flex; align-items: center; justify-content: center;
}
.drawer a {
  display: block; padding: 14px 0;
  font-family: var(--f-serif); font-size: 22px; font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.drawer a:hover { color: var(--honey-deep); }
.drawer .cta-btn { margin-top: 20px; justify-content: center; }

/* ===== HERO ===== */
.hero {
  position: relative; background: var(--ink); color: var(--paper);
  overflow: hidden; isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 50%;
  filter: brightness(0.66) saturate(1.05);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(44,62,48,0.35) 0%, rgba(44,62,48,0.18) 30%, rgba(44,62,48,0.92) 100%),
    linear-gradient(90deg, rgba(44,62,48,0.55) 0%, rgba(44,62,48,0.05) 60%);
}
.hero__content {
  max-width: var(--container); margin: 0 auto;
  padding: clamp(80px, 14vh, 160px) var(--gutter) clamp(60px, 10vh, 110px);
  position: relative; min-height: clamp(560px, 82vh, 780px);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero__chapter {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--f-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); margin-bottom: 22px; align-self: flex-start;
}
.hero__chapter::before {
  content: ""; width: 9px; height: 9px;
  background: var(--honey);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.hero__chapter::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--berry);
}
.hero__title {
  font-family: var(--f-serif);
  font-size: clamp(3rem, 8.5vw, 6.4rem);
  font-weight: 600; line-height: 0.96; letter-spacing: -0.025em;
  margin: 0 0 18px; color: var(--paper); max-width: 18ch;
}
.hero__title em {
  font-style: italic; font-weight: 500;
  color: var(--honey-soft); display: block;
}
.hero__sub { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.hero__sub-line { width: 50px; height: 2px; background: var(--honey); flex: none; }
.hero__sub-text {
  font-family: var(--f-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(250, 246, 236, 0.85);
}
.hero__lede {
  font-family: var(--f-serif); font-size: clamp(1.05rem, 1.55vw, 1.25rem);
  line-height: 1.55; font-weight: 400; max-width: 60ch;
  color: rgba(250, 246, 236, 0.92); margin: 0 0 32px;
}
.hero__lede strong { color: var(--paper); font-weight: 600; }
.hero__lede em { color: var(--honey-soft); font-style: italic; }

.hero__atlas {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(250, 246, 236, 0.22);
  border-radius: 6px; overflow: hidden; max-width: 760px;
  background: rgba(44, 62, 48, 0.55); backdrop-filter: blur(8px);
  position: relative;
}
.hero__atlas::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--berry) 0%, var(--berry) 25%, var(--honey) 25%, var(--honey) 50%, var(--sage) 50%, var(--sage) 75%, var(--sky) 75%, var(--sky) 100%);
}
.hero__cell { padding: 20px 22px; border-right: 1px dashed rgba(250, 246, 236, 0.22); }
.hero__cell:last-child { border-right: 0; }
.hero__cell .num {
  font-family: var(--f-serif); font-size: clamp(1.4rem, 2.4vw, 1.95rem);
  font-weight: 600; line-height: 1; color: var(--honey-soft); margin-bottom: 6px;
}
.hero__cell .lbl {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(250, 246, 236, 0.78); display: block;
}
@media (max-width: 700px) {
  .hero__atlas { grid-template-columns: repeat(2, 1fr); }
  .hero__cell:nth-child(2) { border-right: 0; }
  .hero__cell:nth-child(1), .hero__cell:nth-child(2) {
    border-bottom: 1px dashed rgba(250, 246, 236, 0.22);
  }
}

/* ===== TICKER ===== */
.ticker { background: var(--honey); color: var(--ink); overflow: hidden; }
.ticker__track { display: flex; animation: ticker 42s linear infinite; padding: 14px 0; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker__item {
  display: inline-flex; align-items: center; gap: 28px; padding: 0 24px;
  white-space: nowrap; font-family: var(--f-serif); font-size: 19px; font-weight: 500;
  font-style: italic;
}
.ticker__item span:nth-child(even) {
  font-family: var(--f-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink); font-style: normal; opacity: 0.78;
}

/* ===== SECTION ===== */
.section { padding: clamp(60px, 9vw, 120px) 0; position: relative; }
.section--paper { background: var(--paper); }
.section--paper-2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--ink h2, .section--ink h3 { color: var(--paper); }
.section--sage { background: var(--sage-deep); color: var(--paper); }
.section--sage h2, .section--sage h3 { color: var(--paper); }

.chapter-label {
  font-family: var(--f-mono); font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--honey-deep);
  display: inline-flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.chapter-label::before, .chapter-label::after {
  content: ""; width: 28px; height: 1.5px; background: var(--honey-deep);
}
.section--ink .chapter-label, .section--sage .chapter-label { color: var(--honey-soft); }
.section--ink .chapter-label::before, .section--ink .chapter-label::after,
.section--sage .chapter-label::before, .section--sage .chapter-label::after { background: var(--honey-soft); }

.section__head { max-width: 800px; margin: 0 auto clamp(40px, 6vw, 64px); text-align: center; }
.section__head--left { margin-left: 0; margin-right: auto; text-align: left; }
.section__head--left .chapter-label::before { display: none; }
.section__title {
  font-family: var(--f-serif); font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 18px;
}
.section__title em { font-style: italic; font-weight: 500; color: var(--honey-deep); }
.section--ink .section__title em, .section--sage .section__title em { color: var(--honey-soft); }
.section__lede {
  font-size: 17.5px; color: var(--ink-soft); line-height: 1.6;
  margin: 0; font-family: var(--f-serif); font-style: italic;
}
.section--ink .section__lede, .section--sage .section__lede { color: rgba(250, 246, 236, 0.78); }

/* ===== INTRO ===== */
.intro__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(40px, 5vw, 80px); align-items: start; }
.intro__copy {
  font-family: var(--f-serif); font-size: 18px; line-height: 1.7;
  color: var(--ink); font-weight: 400;
}
.intro__copy p:first-child { font-size: 19.5px; }
.intro__copy p:first-child::first-letter {
  font-family: var(--f-serif); font-size: 4.6em; font-weight: 700; font-style: normal;
  color: var(--honey-deep); float: left; line-height: 0.9;
  padding: 6px 14px 0 0; margin-top: 4px;
}
.intro__copy p { margin: 0 0 1.2em; }
.intro__copy strong { color: var(--berry-deep); font-weight: 700; }
.intro__copy em { color: var(--sage-deep); font-style: italic; }

.factsheet {
  background: var(--paper-2); border: 1px solid var(--line-strong);
  border-radius: 6px; padding: 28px 26px; position: relative;
}
.factsheet::before {
  content: ""; position: absolute; inset: 6px;
  border: 1px dashed var(--line-strong); border-radius: 4px; pointer-events: none;
}
.factsheet__inner { position: relative; z-index: 1; }
.factsheet__title {
  font-family: var(--f-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-deep); margin: 0 0 18px;
  display: inline-flex; align-items: center; gap: 8px;
}
.factsheet__title::before {
  content: ""; width: 10px; height: 10px; background: var(--berry);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.factsheet dl { margin: 0; display: flex; flex-direction: column; }
.factsheet .row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0; border-bottom: 1px dotted var(--line); gap: 16px;
}
.factsheet .row:last-child { border-bottom: 0; }
.factsheet dt {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  color: var(--ink-soft); letter-spacing: 0.06em; text-transform: uppercase; flex: none;
}
.factsheet dd {
  font-family: var(--f-serif); font-size: 16px; font-weight: 500;
  color: var(--ink); margin: 0; text-align: right;
}
.factsheet dd em { font-style: italic; color: var(--honey-deep); font-weight: 600; }
@media (max-width: 900px) { .intro__grid { grid-template-columns: 1fr; } }

/* ===== THESIS GRID — on dark sage ===== */
.thesis__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(250, 246, 236, 0.16);
  border-radius: 8px; overflow: hidden;
}
@media (max-width: 980px) { .thesis__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .thesis__grid { grid-template-columns: 1fr; } }

.thesis-card {
  padding: 32px 28px;
  border-right: 1px solid rgba(250, 246, 236, 0.16);
  border-bottom: 1px solid rgba(250, 246, 236, 0.16);
  background: rgba(250, 246, 236, 0.02);
  transition: background 0.3s var(--ease);
}
.thesis-card:hover { background: rgba(250, 246, 236, 0.06); }
.thesis__grid > .thesis-card:nth-child(3n) { border-right: 0; }
@media (max-width: 980px) {
  .thesis__grid > .thesis-card { border-right: 1px solid rgba(250, 246, 236, 0.16); }
  .thesis__grid > .thesis-card:nth-child(2n) { border-right: 0; }
  .thesis__grid > .thesis-card:nth-child(3n) { border-right: 1px solid rgba(250, 246, 236, 0.16); }
}
@media (max-width: 640px) { .thesis__grid > .thesis-card { border-right: 0 !important; } }

.thesis-card__head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;
}
.thesis-card__num {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(250, 246, 236, 0.6);
}
.thesis-card__num strong { color: var(--honey-soft); font-weight: 700; margin-right: 8px; }
.thesis-card__chip {
  font-family: var(--f-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink); background: var(--honey-soft);
  padding: 4px 10px; border-radius: 4px;
}
.thesis-card__chip--berry { background: var(--berry); color: var(--paper); }
.thesis-card__chip--sage { background: var(--sage); color: var(--paper); }
.thesis-card__chip--sky { background: var(--sky); color: var(--paper); }
.thesis-card__chip--clay { background: var(--clay); color: var(--paper); }

.thesis-card__title {
  font-family: var(--f-serif); font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-weight: 600; line-height: 1.2; margin-bottom: 14px; color: var(--paper);
}
.thesis-card__title em { font-style: italic; font-weight: 500; color: var(--honey-soft); }
.thesis-card p {
  font-size: 15px; line-height: 1.7;
  color: rgba(250, 246, 236, 0.85); margin: 0;
}

/* ===== ECOSYSTEM SECTION — Global Star feature + 2 mini ===== */
.ecosystem { background: var(--paper-2); }
.ecosystem__intro { max-width: 920px; margin: 0 auto clamp(48px, 6vw, 72px); text-align: center; }
.ecosystem__lede {
  font-family: var(--f-serif); font-size: clamp(1.1rem, 1.65vw, 1.25rem);
  font-style: italic; color: var(--ink-soft); margin: 18px 0 0;
}
.ecosystem__lede strong { color: var(--berry-deep); font-weight: 700; font-style: normal; }

/* Feature card — Global Star (large) */
.feature-card {
  background: var(--paper); border: 1px solid var(--line-strong);
  border-radius: 12px; overflow: hidden;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: clamp(24px, 3vw, 36px);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card__cover {
  position: relative; overflow: hidden;
  min-height: 360px;
}
.feature-card__cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.feature-card:hover .feature-card__cover img { transform: scale(1.04); }
.feature-card__type {
  position: absolute; top: 16px; left: 16px;
  font-family: var(--f-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  background: var(--berry); color: var(--paper);
  padding: 6px 14px; border-radius: 4px; z-index: 2;
}

.feature-card__body {
  padding: clamp(28px, 3.5vw, 40px);
  display: flex; flex-direction: column; gap: 16px;
}
.feature-card__name {
  font-family: var(--f-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700; line-height: 1.05; color: var(--ink);
}
.feature-card__name em { font-style: italic; font-weight: 500; color: var(--berry); }
.feature-card__tag {
  font-family: var(--f-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--honey-deep);
  display: inline-flex; align-items: center; gap: 8px;
}
.feature-card__tag::before {
  content: ""; width: 9px; height: 9px; background: var(--honey);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.feature-card__desc {
  font-family: var(--f-serif); font-size: 16.5px; line-height: 1.65;
  color: var(--ink-soft); margin: 0;
}
.feature-card__desc strong { color: var(--ink); font-weight: 700; }
.feature-card__desc em { color: var(--berry-deep); font-style: italic; font-weight: 500; }

.feature-card__campuses {
  border-top: 1px dashed var(--line-strong);
  padding-top: 18px; margin-top: 4px;
  display: grid; grid-template-columns: 1fr; gap: 10px;
}
.campus-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 10px 12px;
  background: var(--paper-2);
  border-radius: 6px;
  border-left: 3px solid var(--berry);
  transition: all 0.2s var(--ease);
}
.campus-row:nth-child(2) { border-left-color: var(--sage); }
.campus-row:nth-child(3) { border-left-color: var(--sky); }
.campus-row:hover { background: var(--paper-3); transform: translateX(2px); }
.campus-row__num {
  font-family: var(--f-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); padding-top: 2px;
}
.campus-row__name {
  font-family: var(--f-serif); font-size: 15.5px; font-weight: 600;
  color: var(--ink); line-height: 1.3;
  display: block;
}
.campus-row__addr {
  font-family: var(--f-sans); font-size: 13px;
  color: var(--ink-soft); display: block; margin-top: 2px;
}

.feature-card__cta-row {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px;
}
.feature-card__cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-sans); font-size: 14px; font-weight: 700;
  color: var(--paper); background: var(--berry);
  padding: 11px 20px; border-radius: 999px;
  transition: all 0.25s var(--ease);
  box-shadow: 0 2px 0 var(--berry-deep);
}
.feature-card__cta:hover { background: var(--berry-deep); transform: translateY(-1px); box-shadow: 0 4px 0 var(--berry-deep); }
.feature-card__hotline {
  font-family: var(--f-mono); font-size: 13px; font-weight: 700;
  color: var(--ink); letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: 8px;
}
.feature-card__hotline::before {
  content: "☎"; color: var(--honey-deep); font-size: 16px;
}

@media (max-width: 880px) {
  .feature-card { grid-template-columns: 1fr; }
  .feature-card__cover { min-height: 280px; aspect-ratio: 16/10; }
}

/* Mini cards — OngTot + XuongMocSaiGon (2-col below) */
.ecosystem__minis {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 36px);
}
@media (max-width: 800px) { .ecosystem__minis { grid-template-columns: 1fr; } }

.mini-card {
  background: var(--paper); border: 1px solid var(--line-strong);
  border-radius: 10px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.mini-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.mini-card__cover { aspect-ratio: 16/10; position: relative; overflow: hidden; }
.mini-card__cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.mini-card:hover .mini-card__cover img { transform: scale(1.04); }
.mini-card__cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(44, 62, 48, 0.32) 100%);
}
.mini-card__type {
  position: absolute; top: 14px; left: 14px;
  font-family: var(--f-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  background: var(--honey); color: var(--ink);
  padding: 5px 12px; border-radius: 4px; z-index: 2;
}
.mini-card__type--clay { background: var(--clay); color: var(--paper); }
.mini-card__body {
  padding: clamp(22px, 2.6vw, 30px);
  display: flex; flex-direction: column; gap: 12px; flex: 1;
}
.mini-card__name {
  font-family: var(--f-serif); font-size: clamp(1.45rem, 2.4vw, 1.85rem);
  font-weight: 700; line-height: 1.1; color: var(--ink);
}
.mini-card__name em { font-style: italic; font-weight: 500; color: var(--honey-deep); }
.mini-card--clay .mini-card__name em { color: var(--clay-deep); }
.mini-card__domain {
  font-family: var(--f-mono); font-size: 12.5px; font-weight: 700;
  letter-spacing: 0.04em; color: var(--honey-deep);
  display: inline-flex; align-items: center; gap: 8px;
}
.mini-card--clay .mini-card__domain { color: var(--clay-deep); }
.mini-card__domain::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor;
}
.mini-card__desc {
  font-family: var(--f-serif); font-size: 15.5px; line-height: 1.65;
  color: var(--ink-soft); margin: 0;
}
.mini-card__desc strong { color: var(--ink); font-weight: 700; }
.mini-card__cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-sans); font-size: 14px; font-weight: 700;
  color: var(--honey-deep); margin-top: auto;
  transition: gap 0.2s var(--ease);
}
.mini-card--clay .mini-card__cta { color: var(--clay-deep); }
.mini-card__cta:hover { gap: 14px; }

/* ===== ALBUM ===== */
.album__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.album__tile {
  position: relative; border-radius: 8px; overflow: hidden;
  aspect-ratio: 4/3; background: var(--ink); isolation: isolate;
  transition: transform 0.3s var(--ease); display: block;
}
.album__tile:hover { transform: translateY(-3px); }
.album__tile img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.album__tile:hover img { transform: scale(1.04); }
.album__tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(44, 62, 48, 0.85) 100%);
}
.album__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 20px; z-index: 2; color: var(--paper);
}
.album__caption .num {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--honey-soft); display: block; margin-bottom: 4px;
}
.album__caption .name {
  font-family: var(--f-serif); font-size: 17.5px; font-weight: 600; line-height: 1.2;
}

.tile-1 { grid-column: span 8; aspect-ratio: 16/9; }
.tile-2 { grid-column: span 4; aspect-ratio: 3/4; }
.tile-3 { grid-column: span 4; aspect-ratio: 4/5; }
.tile-4 { grid-column: span 4; aspect-ratio: 4/5; }
.tile-5 { grid-column: span 4; aspect-ratio: 4/5; }
.tile-6 { grid-column: span 6; aspect-ratio: 16/10; }
.tile-7 { grid-column: span 6; aspect-ratio: 16/10; }
.tile-8 { grid-column: span 4; aspect-ratio: 4/3; }
.tile-9 { grid-column: span 4; aspect-ratio: 4/3; }
.tile-10 { grid-column: span 4; aspect-ratio: 4/3; }

@media (max-width: 900px) {
  .tile-1, .tile-2 { grid-column: span 12; aspect-ratio: 16/9; }
  .tile-3, .tile-4, .tile-5 { grid-column: span 6; aspect-ratio: 4/5; }
  .tile-6, .tile-7 { grid-column: span 12; aspect-ratio: 16/10; }
  .tile-8, .tile-9, .tile-10 { grid-column: span 6; aspect-ratio: 4/3; }
}
@media (max-width: 600px) {
  .tile-3, .tile-4, .tile-5,
  .tile-8, .tile-9, .tile-10 { grid-column: span 12; aspect-ratio: 16/10; }
}

/* ===== MODEL ===== */
.model { background: var(--ink); color: var(--paper); position: relative; overflow: hidden; }
.model::before {
  content: ""; position: absolute; top: -120px; right: -120px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 168, 56, 0.16), transparent 65%);
  filter: blur(20px); pointer-events: none;
}
.model__intro {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(36px, 5vw, 64px); margin-bottom: clamp(40px, 6vw, 60px);
}
@media (max-width: 900px) { .model__intro { grid-template-columns: 1fr; } }
.model__copy h3 {
  font-family: var(--f-serif); font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 600; line-height: 1.15; letter-spacing: -0.015em;
  margin: 0 0 18px; color: var(--paper);
}
.model__copy h3 em { font-style: italic; font-weight: 500; color: var(--honey-soft); }
.model__copy p {
  font-size: 16.5px; line-height: 1.75;
  color: rgba(250, 246, 236, 0.9); margin: 0 0 1em;
  font-family: var(--f-serif);
}
.model__copy p strong { color: var(--berry); font-weight: 700; }
.model__copy p em { color: var(--honey-soft); font-style: italic; font-weight: 500; }

.model__factsheet {
  background: rgba(250, 246, 236, 0.04);
  border: 1px solid rgba(250, 246, 236, 0.16);
  border-radius: 8px; padding: 26px; position: relative;
}
.model__factsheet::before {
  content: ""; position: absolute; inset: 6px;
  border: 1px dashed rgba(250, 246, 236, 0.16);
  border-radius: 6px; pointer-events: none;
}
.model__factsheet h3 {
  font-family: var(--f-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); margin: 0 0 18px;
  display: inline-flex; align-items: center; gap: 8px;
  position: relative; z-index: 1;
}
.model__factsheet h3::before {
  content: ""; width: 9px; height: 9px; background: var(--berry);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.model__factsheet dl { margin: 0; display: flex; flex-direction: column; position: relative; z-index: 1; }
.model__factsheet .row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0; border-bottom: 1px dotted rgba(250, 246, 236, 0.18); gap: 14px;
}
.model__factsheet .row:last-child { border-bottom: 0; }
.model__factsheet dt {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  color: rgba(250, 246, 236, 0.6);
  letter-spacing: 0.06em; text-transform: uppercase; flex: none;
}
.model__factsheet dd {
  font-family: var(--f-serif); font-size: 15px; font-weight: 500;
  color: var(--paper); margin: 0; text-align: right;
}
.model__factsheet dd em { color: var(--honey-soft); font-style: italic; }
.model__factsheet dd strong { color: var(--berry); font-weight: 700; }

.model__pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 800px) { .model__pillars { grid-template-columns: 1fr; } }
.pillar {
  padding: 28px 26px; background: rgba(250, 246, 236, 0.03);
  border: 1px solid rgba(250, 246, 236, 0.14);
  border-radius: 8px;
}
.pillar__num {
  font-family: var(--f-serif); font-size: 50px; font-weight: 600; font-style: italic;
  color: var(--honey-soft); line-height: 1; margin-bottom: 8px;
}
.pillar h3 { font-family: var(--f-serif); font-size: 21px; font-weight: 600; margin: 0 0 10px; color: var(--paper); }
.pillar p { font-size: 15px; line-height: 1.7; color: rgba(250, 246, 236, 0.86); margin: 0; }

/* ===== FAQ ===== */
.faq__list { max-width: 880px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq__item[open] { background: var(--paper-2); }
.faq__q {
  font-family: var(--f-serif); font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  font-weight: 600; line-height: 1.4;
  padding: 22px 56px 22px 0;
  cursor: pointer; position: relative; list-style: none;
  color: var(--ink); transition: color 0.2s var(--ease);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+"; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border-radius: 50%; background: var(--paper-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--f-mono); font-size: 18px; font-weight: 700;
  color: var(--ink); transition: background 0.2s;
}
.faq__item[open] .faq__q::after { content: "−"; background: var(--honey-deep); color: var(--paper); }
.faq__q:hover { color: var(--honey-deep); }
.faq__a { padding: 0 0 22px; font-family: var(--f-serif); font-size: 16px; line-height: 1.7; color: var(--ink-soft); }
.faq__a p { margin: 0 0 0.8em; }
.faq__a p:last-child { margin: 0; }
.faq__a strong { color: var(--berry-deep); font-weight: 700; }
.faq__a a { color: var(--honey-deep); border-bottom: 1px dotted var(--honey-deep); font-weight: 600; }
.faq__a a:hover { color: var(--berry-deep); border-bottom-style: solid; }

/* ===== CTA PANEL ===== */
.cta-panel {
  background: var(--ink); color: var(--paper);
  border-radius: clamp(8px, 1.5vw, 14px);
  padding: clamp(50px, 7vw, 90px) clamp(32px, 5vw, 64px);
  position: relative; overflow: hidden; isolation: isolate;
}
.cta-panel::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 20% 30%, rgba(232, 168, 56, 0.16), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(196, 74, 94, 0.16), transparent 50%);
}
.cta-panel__content { max-width: 720px; position: relative; z-index: 1; }
.cta-panel__chapter {
  font-family: var(--f-mono); font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft);
  display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px;
}
.cta-panel__chapter::before {
  content: ""; width: 9px; height: 9px; background: var(--berry);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.cta-panel__title {
  font-family: var(--f-serif); font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 600; line-height: 1.08; letter-spacing: -0.02em;
  margin: 0 0 22px; color: var(--paper);
}
.cta-panel__title em { font-style: italic; font-weight: 500; color: var(--honey-soft); }
.cta-panel p {
  font-family: var(--f-serif); font-size: 17.5px; line-height: 1.65;
  color: rgba(250, 246, 236, 0.88); margin: 0 0 1em;
}
.cta-panel p:last-of-type { margin-bottom: 32px; }
.cta-panel p strong { color: var(--honey-soft); font-weight: 700; }
.cta-panel__buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.cta-panel .cta-btn { font-size: 16px; padding: 15px 28px; }
.cta-panel .cta-btn--ghost {
  background: transparent; color: var(--paper);
  border: 1px solid rgba(250, 246, 236, 0.4); box-shadow: none;
}
.cta-panel .cta-btn--ghost:hover {
  background: rgba(250, 246, 236, 0.08);
  border-color: rgba(250, 246, 236, 0.6); box-shadow: none;
}
.cta-panel__stamp {
  position: absolute; top: 32px; right: -60px;
  transform: rotate(15deg);
  font-family: var(--f-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft);
  border: 2px solid var(--honey-soft);
  padding: 12px 70px; opacity: 0.85; pointer-events: none;
}
@media (max-width: 700px) { .cta-panel__stamp { display: none; } }

/* ===== FOOTER ===== */
.footer {
  background: var(--ink); color: rgba(250, 246, 236, 0.7);
  padding: clamp(50px, 6vw, 70px) 0 30px;
  border-top: 4px double var(--honey);
  position: relative;
}
.footer::after {
  content: ""; position: absolute; left: 0; right: 0; top: 4px; height: 4px;
  background: linear-gradient(90deg, var(--berry) 0%, var(--berry) 25%, var(--honey) 25%, var(--honey) 50%, var(--sage) 50%, var(--sage) 75%, var(--sky) 75%, var(--sky) 100%);
  opacity: 0.18;
}
.footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
@media (max-width: 800px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand { font-family: var(--f-serif); font-size: 30px; font-weight: 700; color: var(--paper); margin-bottom: 12px; }
.footer__about { font-family: var(--f-serif); font-size: 15px; line-height: 1.65; }
.footer__col h4 {
  font-family: var(--f-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); margin: 0 0 14px;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { padding: 5px 0; }
.footer__col a { font-size: 14.5px; transition: color 0.2s; }
.footer__col a:hover { color: var(--honey-soft); }

.footer__bottom {
  border-top: 1px solid rgba(250, 246, 236, 0.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(250, 246, 236, 0.5);
}
.footer__bottom a:hover { color: var(--honey-soft); }

/* ===== BOTTOM-NAV mobile ===== */
.bottom-nav {
  display: none;
  position: fixed; left: 12px; right: 12px; bottom: 12px;
  z-index: 70; background: var(--paper);
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px; box-shadow: var(--shadow-md);
}
.bottom-nav__inner { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.bottom-nav a {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 7px 4px;
  font-family: var(--f-mono); font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-soft); border-radius: 999px;
  transition: all 0.2s var(--ease); position: relative;
}
.bottom-nav a svg { width: 18px; height: 18px; }
.bottom-nav a.is-active { background: var(--ink); color: var(--paper); }
.bottom-nav a.is-active::after {
  content: ""; position: absolute; top: 5px; right: 7px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--honey-soft);
}
@media (max-width: 700px) { .bottom-nav { display: block; } body { padding-bottom: 84px; } }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}