:root {
  --teal: #0b333f;
  --teal-2: #0d4a5a;
  --teal-card: #183e49;
  --teal-deep: #072530;
  --gold: #e2b869;
  --gold-dark: #8a6328;
  --ink: #0b333f;
  --text: #33444b;
  --muted: #5d6d73;
  --line: #e1e7ea;
  --bg: #ffffff;
  --bg-alt: #f0f4f5;
  --media: #e5eaed;
  --chip: #e6f0f2;
  --radius: 10px;
  --sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

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

h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 16px; }
h1, h2 { font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(28px, 3.6vw, 38px); }
h3 { font-size: 17px; font-weight: 700; }
p { margin: 0 0 16px; }

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 10px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 16px; color: var(--ink); }
.brand-text small { font-size: 11px; color: var(--muted); }

.menu { display: flex; gap: 24px; margin-left: auto; }
.menu a { text-decoration: none; font-size: 14px; font-weight: 500; color: var(--ink); }
.menu a:hover { color: var(--gold-dark); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-switch button {
  border: 0;
  background: none;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
}
.lang-switch button[aria-pressed="true"] { background: var(--teal-2); color: #fff; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: 0;
  background: none;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* Hero */
.hero { background: var(--teal); color: #fff; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 88px 0;
}
.hero .eyebrow { color: var(--gold); }
.hero h1 { color: #fff; font-size: clamp(34px, 5vw, 48px); margin-bottom: 22px; }
.hero .lead { color: rgba(255, 255, 255, 0.85); max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--gold); color: var(--teal); }
.btn-primary:hover { background: #ebc781; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.45); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }

.hero-tiles { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.hero-tiles a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--teal-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
  transition: border-color 0.2s;
}
.hero-tiles a:hover { border-color: rgba(226, 184, 105, 0.6); }
.hero-tiles strong { display: block; font-size: 15px; }
.hero-tiles small { display: block; font-size: 12px; color: rgba(255, 255, 255, 0.72); }
.tile-icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(226, 184, 105, 0.16);
  display: grid;
  place-items: center;
}
.tile-icon svg { width: 20px; height: 20px; fill: none; stroke: var(--gold); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); }
.section-head { max-width: 560px; margin-bottom: 40px; }
.section-head p:last-child { color: var(--text); }

.about { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.about h2 { font-size: clamp(26px, 3vw, 32px); }
.about-body > p { font-size: 15px; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.pillars div { border-top: 2px solid var(--teal-2); padding-top: 14px; }
.pillars h3 { margin-bottom: 6px; font-size: 15px; }
.pillars p { font-size: 13px; color: var(--muted); margin: 0; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  scroll-margin-top: 88px;
}
.card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--media);
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--muted);
}
.card-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 18px 18px 22px; }
.code {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 8px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card-body > p:not(.code) { font-size: 14px; }
.card ul { margin: 0; padding-left: 18px; font-size: 13px; }
.card li { margin: 4px 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chips span {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--ink);
}

.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.value .num { display: block; font-size: 24px; font-weight: 700; color: var(--teal-2); margin-bottom: 8px; }
.value h3 { font-size: 15px; margin-bottom: 6px; }
.value p { font-size: 13px; color: var(--muted); margin: 0; }

.contact { background: var(--teal); color: rgba(255, 255, 255, 0.85); }
.contact .eyebrow { color: var(--gold); }
.contact h2 { color: #fff; }
.contact-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: start; }
.contact-inner > div:first-child p:last-child { font-size: 15px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.contact-card {
  padding: 18px 16px;
  border-radius: var(--radius);
  background: var(--teal-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 0;
}
.contact-card svg { width: 18px; height: 18px; fill: none; stroke: var(--gold); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 10px; }
.contact-card span { display: block; font-size: 11px; font-weight: 600; color: rgba(255, 255, 255, 0.7); margin-bottom: 4px; }
.contact-card strong { display: block; font-size: 14px; font-weight: 600; color: #fff; overflow-wrap: anywhere; }
.contact-card a:hover { color: var(--gold); }

.site-footer { background: var(--teal-deep); color: rgba(255, 255, 255, 0.75); font-size: 12px; padding: 20px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .about, .contact-inner { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .values { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: flex; }
  .nav-actions { margin-left: auto; }
  .menu {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    display: none;
  }
  .menu.open { display: flex; }
  .menu a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .brand-text small { display: none; }
  .section { padding: 64px 0; }
  .hero-inner { padding: 64px 0; }
  .cards, .pillars, .contact-grid { grid-template-columns: 1fr; }
  .values { gap: 24px; }
}
