/* ==========================================================================
   ORGTech — Global styles
   Design language inspired by cada.neu.edu.vn (Inter + JetBrains Mono,
   primary blue scale, slate neutrals, soft borders, rounded cards).
   ========================================================================== */

:root {
  /* Brand blue (matches logo #0B4FBA) */
  --primary-50: #edf6ff;
  --primary-100: #d6eaff;
  --primary-200: #b0d6ff;
  --primary-300: #7bbbff;
  --primary-400: #3d9bfc;
  --primary-500: #0081f9;
  --primary-600: #0b56b8;
  --primary-700: #0e4796;
  --primary-800: #123a7d;
  --primary-900: #162b76;
  --primary-950: #0d1a47;

  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  --emerald-600: #059669;
  --white: #fff;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-lg: .5rem;
  --radius-xl: .75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-md: 0 6px 16px -4px rgba(15, 23, 42, .10), 0 2px 6px -2px rgba(15, 23, 42, .06);
  --shadow-lg: 0 24px 48px -16px rgba(14, 71, 150, .22);

  --container: 80rem;
  --header-h: 4rem;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
main { flex: 1; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; color: var(--slate-900); line-height: 1.2; letter-spacing: -.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--primary-500); outline-offset: 2px; border-radius: 4px; }

/* ---------- Bilingual switching ----------
   Every translatable piece exists twice: lang="vi" and lang="en".
   The <html lang> attribute decides which one is visible. */
html[lang="vi"] body [lang="en"],
html[lang="en"] body [lang="vi"] { display: none !important; }

/* ---------- Utilities ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1rem; }
@media (min-width: 640px) { .container { padding-inline: 1.5rem; } }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: .5rem; top: -3rem; z-index: 100; padding: .5rem .75rem; border-radius: var(--radius-lg); background: var(--primary-600); color: #fff; font-weight: 500; }
.skip-link:focus { top: .5rem; }
.mono { font-family: var(--font-mono); }
.text-gradient {
  background: linear-gradient(90deg, var(--primary-900), var(--primary-600) 55%, var(--primary-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.eyebrow {
  font-size: .8125rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--primary-600);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.25rem; border-radius: var(--radius-xl); border: 1px solid transparent;
  font-size: .9375rem; font-weight: 600; line-height: 1.2; white-space: nowrap; cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease), box-shadow .15s var(--ease), transform .15s var(--ease);
}
.btn svg { width: 1.125rem; height: 1.125rem; flex-shrink: 0; }
.btn-primary { background: var(--primary-600); color: #fff; box-shadow: 0 8px 20px -8px rgba(11, 86, 184, .6); }
.btn-primary:hover { background: var(--primary-700); transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--slate-800); border-color: var(--slate-300); }
.btn-outline:hover { border-color: var(--primary-300); color: var(--primary-700); background: var(--primary-50); }
.btn-white { background: #fff; color: var(--primary-700); }
.btn-white:hover { background: var(--primary-50); transform: translateY(-1px); }
.btn-ghost-white { color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.link-arrow { display: inline-flex; align-items: center; gap: .35rem; font-size: .9375rem; font-weight: 600; color: var(--primary-600); }
.link-arrow:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: saturate(180%) blur(12px); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--slate-200);
}
.nav { display: flex; align-items: center; gap: 1.5rem; height: var(--header-h); }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 2.25rem; width: auto; }
.nav-links { display: none; flex: 1; align-items: center; gap: .25rem; }
.nav-links a {
  padding: .5rem .8rem; border-radius: var(--radius-lg);
  font-size: .9375rem; font-weight: 500; color: var(--slate-600);
  transition: background-color .15s var(--ease), color .15s var(--ease);
}
.nav-links a:hover { background: var(--slate-100); color: var(--slate-900); }
.nav-links a[aria-current="page"] { background: var(--primary-50); color: var(--primary-700); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: .5rem; }

.lang-switch {
  display: inline-flex; padding: 3px; border-radius: 999px; background: var(--slate-100); border: 1px solid var(--slate-200);
}
.lang-switch button {
  border: 0; background: transparent; cursor: pointer; padding: .25rem .6rem; border-radius: 999px;
  font-size: .75rem; font-weight: 700; letter-spacing: .04em; color: var(--slate-500);
  transition: background-color .15s var(--ease), color .15s var(--ease);
}
.lang-switch button[aria-pressed="true"] { background: #fff; color: var(--primary-700); box-shadow: var(--shadow-sm); }
.nav-cta { display: none; padding: .55rem 1rem; font-size: .875rem; }

.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem;
  border: 0; border-radius: var(--radius-lg); background: transparent; color: var(--slate-700); cursor: pointer;
}
.menu-toggle:hover { background: var(--slate-100); }
.menu-toggle svg { width: 1.375rem; height: 1.375rem; }
.mobile-menu {
  display: none; border-top: 1px solid var(--slate-200); background: #fff; padding: .75rem 1rem 1.25rem;
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: .7rem .8rem; border-radius: var(--radius-lg); font-weight: 500; color: var(--slate-700); }
.mobile-menu a:hover { background: var(--slate-100); }
.mobile-menu a[aria-current="page"] { background: var(--primary-50); color: var(--primary-700); }
.mobile-menu .btn { margin-top: .75rem; width: 100%; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .menu-toggle, .mobile-menu, .mobile-menu.open { display: none; }
}

/* ---------- Hero (home) ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(to bottom, var(--primary-50), #fff);
  border-bottom: 1px solid var(--slate-200);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 86, 184, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 86, 184, .07) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 30%, transparent 100%);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner {
  position: relative; display: grid; gap: 3rem; align-items: center;
  padding-block: 4.5rem 5rem;
}
.hero h1 { margin-top: .9rem; font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.12; }
.hero-lead { margin-top: 1.25rem; max-width: 38rem; font-size: 1.125rem; line-height: 1.7; color: var(--slate-600); }
.hero-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; }
.terminal-line { margin-top: 1.25rem; font-family: var(--font-mono); font-size: .9375rem; color: var(--slate-500); }
.terminal-line .prompt { color: var(--primary-600); }
.terminal-line .str { color: var(--emerald-600); }
.caret {
  display: inline-block; width: .55em; height: 1.1em; margin-left: 2px; transform: translateY(.2em);
  background: var(--primary-500); animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

@media (min-width: 1024px) {
  .hero-inner { grid-template-columns: 1.1fr .9fr; padding-block: 6rem 6.5rem; }
}

/* Hero visual — mock product window */
.mock {
  position: relative; border-radius: var(--radius-2xl); background: #fff;
  border: 1px solid var(--slate-200); box-shadow: var(--shadow-lg); overflow: hidden;
}
.mock-bar { display: flex; align-items: center; gap: .4rem; padding: .7rem 1rem; border-bottom: 1px solid var(--slate-200); background: var(--slate-50); }
.mock-bar i { width: .6rem; height: .6rem; border-radius: 50%; background: var(--slate-300); }
.mock-bar span { margin-left: .6rem; font-family: var(--font-mono); font-size: .75rem; color: var(--slate-500); }
.mock-body { padding: 1.1rem; display: grid; gap: .9rem; }
.mock-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.mock-title { font-weight: 700; color: var(--slate-900); font-size: .95rem; }
.chip {
  display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .6rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; background: var(--primary-50); color: var(--primary-700); border: 1px solid var(--primary-100);
}
.chip-green { background: #ecfdf5; color: #047857; border-color: #d1fae5; }
.dot { width: .45rem; height: .45rem; border-radius: 50%; background: currentColor; }
.timetable { display: grid; grid-template-columns: 2.6rem repeat(5, 1fr); gap: 4px; font-size: .6875rem; }
.timetable .h { text-align: center; font-weight: 600; color: var(--slate-500); padding: .2rem 0; }
.timetable .t { color: var(--slate-400); font-family: var(--font-mono); padding-top: .35rem; }
.timetable .c { min-height: 2.1rem; border-radius: 6px; background: var(--slate-50); border: 1px dashed var(--slate-200); }
.timetable .c.b1 { background: var(--primary-100); border: 0; border-left: 3px solid var(--primary-600); }
.timetable .c.b2 { background: #e0f2fe; border: 0; border-left: 3px solid #0284c7; }
.timetable .c.b3 { background: #ede9fe; border: 0; border-left: 3px solid #7c3aed; }
.timetable .c.b4 { background: #dcfce7; border: 0; border-left: 3px solid #16a34a; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.mock-stat { padding: .65rem .75rem; border-radius: var(--radius-xl); border: 1px solid var(--slate-200); }
.mock-stat b { display: block; font-size: 1.05rem; color: var(--slate-900); }
.mock-stat small { font-size: .6875rem; color: var(--slate-500); }
.mock-float {
  position: absolute; display: flex; align-items: center; gap: .6rem; padding: .7rem .9rem;
  border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--slate-200); box-shadow: var(--shadow-md);
  font-size: .8125rem; color: var(--slate-700);
}
.mock-float .ic { width: 2rem; height: 2rem; border-radius: .6rem; display: grid; place-items: center; background: var(--primary-600); color: #fff; }
.mock-float .ic svg { width: 1.1rem; height: 1.1rem; }
.mock-float b { display: block; color: var(--slate-900); font-size: .8125rem; }
.hero-visual { position: relative; padding: 1.5rem 0; }
.hero-visual .f1 { left: -1rem; bottom: -.25rem; }
.hero-visual .f2 { right: -.75rem; top: .25rem; }
@media (max-width: 639px) { .hero-visual .mock-float { display: none; } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative; overflow: hidden; border-bottom: 1px solid var(--slate-200);
  background: linear-gradient(to bottom, var(--primary-50), #fff);
}
.page-hero .container { position: relative; padding-block: 4rem 3.5rem; text-align: center; }
.page-hero h1 { margin-top: .75rem; font-size: clamp(2rem, 4.2vw, 3rem); font-weight: 800; letter-spacing: -.03em; }
.page-hero p.lead { margin: 1rem auto 0; max-width: 44rem; font-size: 1.0625rem; color: var(--slate-600); }
.breadcrumb { display: inline-flex; gap: .5rem; font-size: .8125rem; color: var(--slate-500); }
.breadcrumb a:hover { color: var(--primary-600); }

/* ---------- Sections ---------- */
.section { padding-block: 5rem; }
.section-sm { padding-block: 3.5rem; }
.section-alt { background: var(--slate-50); border-block: 1px solid var(--slate-200); }
.section-head { max-width: 46rem; margin-bottom: 2.75rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: .6rem; font-size: clamp(1.65rem, 3vw, 2.25rem); font-weight: 800; }
.section-head p { margin-top: .9rem; font-size: 1.0625rem; color: var(--slate-600); }
.section-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 2.5rem; }
.section-head-row .section-head { margin-bottom: 0; }

.grid { display: grid; gap: 1.5rem; }
@media (min-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Cards ---------- */
.card {
  position: relative; display: flex; flex-direction: column;
  padding: 1.75rem; border-radius: var(--radius-2xl); background: #fff;
  border: 1px solid var(--slate-200); box-shadow: var(--shadow-sm);
  transition: box-shadow .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
a.card:hover, .card.hoverable:hover { box-shadow: var(--shadow-md); border-color: var(--primary-200); transform: translateY(-2px); }
.card h3 { font-size: 1.125rem; font-weight: 700; }
.card p { margin-top: .6rem; font-size: .9375rem; line-height: 1.65; color: var(--slate-600); }
.card .link-arrow { margin-top: auto; padding-top: 1.25rem; font-size: .875rem; }
.icon-box {
  width: 3rem; height: 3rem; margin-bottom: 1.25rem; display: grid; place-items: center; flex-shrink: 0;
  border-radius: var(--radius-xl); background: var(--primary-50); color: var(--primary-600); border: 1px solid var(--primary-100);
}
.icon-box svg { width: 1.5rem; height: 1.5rem; }
.card:hover .icon-box { background: var(--primary-600); color: #fff; border-color: var(--primary-600); }
.icon-box, .icon-box svg { transition: background-color .2s var(--ease), color .2s var(--ease); }

.tag-list { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.tag { padding: .2rem .55rem; border-radius: 999px; background: var(--slate-100); color: var(--slate-600); font-size: .75rem; font-weight: 500; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); border-radius: var(--radius-2xl); border: 1px solid var(--slate-200); background: #fff; box-shadow: var(--shadow-sm); overflow: hidden; }
.stat { padding: 1.6rem 1.25rem; text-align: center; border-right: 1px solid var(--slate-200); border-bottom: 1px solid var(--slate-200); }
.stat:nth-child(2n) { border-right: 0; }
.stat:nth-last-child(-n+2) { border-bottom: 0; }
.stat b { display: block; font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 800; letter-spacing: -.03em; color: var(--primary-700); line-height: 1.1; }
.stat span { display: block; margin-top: .35rem; font-size: .875rem; color: var(--slate-500); }
@media (min-width: 768px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat { border-bottom: 0; }
  .stat:nth-child(2n) { border-right: 1px solid var(--slate-200); }
  .stat:last-child { border-right: 0; }
}
.stats-wrap { margin-top: -2.75rem; position: relative; z-index: 2; }

/* ---------- Split / feature ---------- */
.split { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .split { grid-template-columns: 1fr 1fr; gap: 4rem; } .split.reverse > :first-child { order: 2; } }
.check-list { display: grid; gap: .9rem; margin-top: 1.75rem; }
.check-list li { display: flex; gap: .8rem; align-items: flex-start; }
.check-list .ck {
  flex-shrink: 0; width: 1.5rem; height: 1.5rem; margin-top: .1rem; border-radius: 50%;
  display: grid; place-items: center; background: var(--primary-600); color: #fff;
}
.check-list .ck svg { width: .875rem; height: .875rem; }
.check-list b { color: var(--slate-900); font-weight: 600; }
.check-list p { font-size: .9375rem; color: var(--slate-600); }

.panel {
  position: relative; padding: 2rem; border-radius: var(--radius-3xl);
  background: linear-gradient(145deg, var(--primary-700), var(--primary-950)); color: #dbeafe; overflow: hidden;
}
.panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: radial-gradient(ellipse at top right, #000, transparent 70%); mask-image: radial-gradient(ellipse at top right, #000, transparent 70%);
}
.panel > * { position: relative; }
.panel h3 { color: #fff; font-size: 1.25rem; }
.panel .mono { color: var(--primary-300); font-size: .8125rem; }

/* Origin badge */
.origin { display: flex; align-items: center; gap: 1rem; margin-top: 1.75rem; padding: 1rem 1.25rem; border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--slate-200); }
.origin img { height: 2rem; width: auto; }
.origin p { font-size: .875rem; color: var(--slate-600); }

/* ---------- Publications ---------- */
.pub-list { display: grid; gap: .9rem; margin-top: 1.5rem; }
.pub { padding: 1rem 1.1rem; border-radius: var(--radius-xl); background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); }
.pub b { display: block; color: #fff; font-weight: 600; font-size: .9375rem; line-height: 1.45; }
.pub span { display: block; margin-top: .3rem; font-size: .8125rem; color: var(--primary-200); font-family: var(--font-mono); }

/* ---------- Partners ---------- */
.partners { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 640px) { .partners { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .partners { grid-template-columns: repeat(8, 1fr); } }
.partner {
  height: 5.5rem; padding: 1rem 1.1rem; display: grid; place-items: center;
  border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--slate-200);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.partner img { max-height: 3rem; width: auto; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .75; transition: filter .25s var(--ease), opacity .25s var(--ease); }
.partner:hover { border-color: var(--primary-200); box-shadow: var(--shadow-md); }
.partner:hover img { filter: none; opacity: 1; }

/* ---------- Process ---------- */
.steps { display: grid; gap: 1.25rem; counter-reset: step; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(5, 1fr); } }
.step { position: relative; padding: 1.5rem 1.25rem; border-radius: var(--radius-2xl); background: #fff; border: 1px solid var(--slate-200); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-family: var(--font-mono); font-size: .8125rem; font-weight: 500; color: var(--primary-600);
}
.step h3 { margin-top: .6rem; font-size: 1rem; font-weight: 700; }
.step p { margin-top: .4rem; font-size: .875rem; color: var(--slate-600); }

/* ---------- Service detail ---------- */
.service-nav { position: sticky; top: var(--header-h); z-index: 20; background: rgba(255,255,255,.92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--slate-200); }
.service-nav .container { display: flex; gap: .4rem; overflow-x: auto; padding-block: .7rem; scrollbar-width: none; }
.service-nav .container::-webkit-scrollbar { display: none; }
.service-nav a { flex-shrink: 0; padding: .4rem .8rem; border-radius: 999px; font-size: .8125rem; font-weight: 600; color: var(--slate-600); border: 1px solid var(--slate-200); background: #fff; }
.service-nav a:hover, .service-nav a.active { color: var(--primary-700); border-color: var(--primary-200); background: var(--primary-50); }

.service { display: grid; gap: 2.5rem; padding-block: 4rem; border-bottom: 1px solid var(--slate-200); }
.service:last-of-type { border-bottom: 0; }
.service { scroll-margin-top: calc(var(--header-h) + 3.25rem); }
@media (min-width: 1024px) { .service { grid-template-columns: 1fr 1.15fr; gap: 4rem; align-items: start; } }
.service-num { font-family: var(--font-mono); font-size: .8125rem; color: var(--primary-600); }
.service h2 { margin-top: .5rem; font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; }
.service .desc { margin-top: 1rem; font-size: 1.0625rem; color: var(--slate-600); }
.service .icon-box { width: 3.5rem; height: 3.5rem; }
.feature-grid { display: grid; gap: 1rem; }
@media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
.feature { padding: 1.25rem; border-radius: var(--radius-xl); background: var(--slate-50); border: 1px solid var(--slate-200); }
.feature b { display: block; color: var(--slate-900); font-weight: 600; font-size: .9375rem; }
.feature p { margin-top: .35rem; font-size: .875rem; color: var(--slate-600); line-height: 1.6; }
.benefit { margin-top: 1.5rem; display: flex; gap: .75rem; padding: 1rem 1.1rem; border-radius: var(--radius-xl); background: var(--primary-50); border: 1px solid var(--primary-100); font-size: .9375rem; color: var(--primary-900); }
.benefit svg { width: 1.25rem; height: 1.25rem; flex-shrink: 0; margin-top: .15rem; color: var(--primary-600); }

/* ---------- Team ---------- */
.team-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }
.member { overflow: hidden; border-radius: var(--radius-2xl); background: #fff; border: 1px solid var(--slate-200); box-shadow: var(--shadow-sm); transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease); }
.member:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--primary-200); }
.member-photo { aspect-ratio: 4 / 4.4; background: linear-gradient(160deg, var(--primary-50), var(--primary-100)); overflow: hidden; }
.member-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .4s var(--ease); }
.member:hover .member-photo img { transform: scale(1.04); }
.member-info { padding: 1.1rem 1.25rem 1.3rem; }
.member-info h3 { font-size: 1.0625rem; font-weight: 700; }
.member-role { margin-top: .25rem; font-size: .875rem; font-weight: 600; color: var(--primary-600); }
.member-info p { margin-top: .55rem; font-size: .8125rem; color: var(--slate-500); line-height: 1.55; }
.member-mail { display: inline-flex; align-items: center; gap: .35rem; margin-top: .7rem; font-size: .8125rem; color: var(--slate-600); }
.member-mail:hover { color: var(--primary-600); }
.member-mail svg { width: .95rem; height: .95rem; }
.team-group + .team-group { margin-top: 4rem; }
.team-group-title { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem; }
.team-group-title h2 { font-size: 1.375rem; font-weight: 800; white-space: nowrap; }
.team-group-title::after { content: ""; flex: 1; height: 1px; background: var(--slate-200); }

/* ---------- Timeline ---------- */
.timeline { position: relative; display: grid; gap: 1.5rem; padding-left: 1.75rem; }
.timeline::before { content: ""; position: absolute; left: .45rem; top: .5rem; bottom: .5rem; width: 2px; background: linear-gradient(var(--primary-500), var(--primary-100)); }
.tl-item { position: relative; }
.tl-item::before { content: ""; position: absolute; left: -1.75rem; top: .35rem; width: 1rem; height: 1rem; border-radius: 50%; background: #fff; border: 3px solid var(--primary-600); }
.tl-year { font-family: var(--font-mono); font-size: .8125rem; font-weight: 500; color: var(--primary-600); }
.tl-item h3 { margin-top: .2rem; font-size: 1.0625rem; font-weight: 700; }
.tl-item p { margin-top: .35rem; font-size: .9375rem; color: var(--slate-600); }

/* ---------- Mission / Vision ---------- */
.mv { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .mv { grid-template-columns: 1fr 1fr; } }
.mv .card { padding: 2rem; }
.mv .card.dark { background: linear-gradient(145deg, var(--primary-600), var(--primary-900)); border-color: transparent; }
.mv .card.dark h3, .mv .card.dark p { color: #fff; }
.mv .card.dark p { color: #dbeafe; }
.mv .card.dark .icon-box { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.2); color: #fff; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: .9fr 1.1fr; gap: 3rem; } }
.info-list { display: grid; gap: 1rem; }
.info-item { display: flex; gap: 1rem; padding: 1.25rem; border-radius: var(--radius-2xl); background: #fff; border: 1px solid var(--slate-200); }
.info-item .icon-box { margin: 0; width: 2.75rem; height: 2.75rem; }
.info-item .icon-box svg { width: 1.3rem; height: 1.3rem; }
.info-item h3 { font-size: .8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--slate-500); }
.info-item p, .info-item a { margin-top: .2rem; font-size: 1rem; font-weight: 500; color: var(--slate-900); }
.info-item a:hover { color: var(--primary-600); }
.form-card { padding: 2rem; border-radius: var(--radius-2xl); background: #fff; border: 1px solid var(--slate-200); box-shadow: var(--shadow-md); }
.form-card h2 { font-size: 1.5rem; font-weight: 800; }
.form-card > p { margin-top: .5rem; color: var(--slate-600); font-size: .9375rem; }
.form { display: grid; gap: 1rem; margin-top: 1.5rem; }
@media (min-width: 640px) { .form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; } }
.form .row { display: grid; gap: 1rem; }
.field label { display: block; margin-bottom: .4rem; font-size: .875rem; font-weight: 600; color: var(--slate-800); }
.field label .req { color: #dc2626; }
.field input, .field select, .field textarea {
  width: 100%; padding: .75rem .9rem; border-radius: var(--radius-xl); border: 1px solid var(--slate-300); background: #fff;
  font-size: .9375rem; color: var(--slate-900); transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.field textarea { min-height: 8.5rem; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--slate-400); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary-500); box-shadow: 0 0 0 3px rgba(0, 129, 249, .18); }
.form-note { font-size: .8125rem; color: var(--slate-500); }
.form-status { display: none; padding: .8rem 1rem; border-radius: var(--radius-xl); font-size: .875rem; background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-status.show { display: block; }
.map { margin-top: 1rem; overflow: hidden; border-radius: var(--radius-2xl); border: 1px solid var(--slate-200); aspect-ratio: 16 / 10; background: var(--slate-100); }
.map iframe { width: 100%; height: 100%; border: 0; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: .75rem; max-width: 52rem; margin-inline: auto; }
.faq details { border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--slate-200); }
.faq summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.25rem; cursor: pointer; list-style: none; font-weight: 600; color: var(--slate-900); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); font-size: 1.25rem; line-height: 1; color: var(--primary-600); transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 1.25rem 1.2rem; color: var(--slate-600); font-size: .9375rem; }

/* ---------- CTA band ---------- */
.cta {
  position: relative; overflow: hidden; padding: 3.5rem 2rem; border-radius: var(--radius-3xl); text-align: center;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-900)); color: #dbeafe;
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}
.cta > * { position: relative; }
.cta h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 800; }
.cta p { margin: .9rem auto 0; max-width: 38rem; font-size: 1.0625rem; }
.cta .actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { margin-top: auto; border-top: 1px solid var(--slate-200); background: var(--slate-50); font-size: .875rem; }
.footer-grid { display: grid; gap: 2.5rem; padding-block: 3.5rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr; } }
.footer-brand img { height: 2.25rem; width: auto; }
.footer-brand p { margin-top: 1rem; max-width: 20rem; color: var(--slate-600); line-height: 1.65; }
.footer-social { display: flex; gap: .5rem; margin-top: 1.25rem; }
.footer-social a { width: 2.25rem; height: 2.25rem; display: grid; place-items: center; border-radius: var(--radius-lg); border: 1px solid var(--slate-200); color: var(--slate-600); background: #fff; transition: border-color .15s var(--ease), color .15s var(--ease); }
.footer-social a:hover { border-color: var(--primary-300); color: var(--primary-600); }
.footer-social svg { width: 1.05rem; height: 1.05rem; }
.site-footer h2 { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--slate-900); }
.site-footer ul { display: grid; gap: .65rem; margin-top: 1rem; }
.site-footer ul a { color: var(--slate-600); transition: color .15s var(--ease); }
.site-footer ul a:hover { color: var(--primary-600); }
.footer-contact li { display: flex; gap: .6rem; color: var(--slate-600); }
.footer-contact svg { width: 1rem; height: 1rem; margin-top: .2rem; flex-shrink: 0; color: var(--primary-600); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; padding-block: 1.25rem; border-top: 1px solid var(--slate-200); color: var(--slate-500); font-size: .8125rem; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .caret { animation: none; }
  *, *::before, *::after { transition-duration: 0s !important; }
}