/* Vietlin 2026 — Modern agri-export brand */
:root {
  --green-950: #0a1f12;
  --green-900: #0f2e1a;
  --green-800: #14532d;
  --green-700: #166534;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-400: #4ade80;
  --green-100: #dcfce7;
  --green-50: #f0fdf4;
  --gold: #d4a017;
  --gold-light: #f0c14a;
  --cream: #faf8f4;
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --white: #ffffff;
  --shadow: 0 12px 40px rgba(15, 46, 26, 0.12);
  --shadow-lg: 0 24px 60px rgba(15, 46, 26, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
  --header-h: 76px;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Top bar */
.topbar {
  background: var(--green-900);
  color: rgba(255,255,255,.9);
  font-size: .82rem;
  padding: .45rem 0;
}
.topbar-inner {
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem;
  justify-content: space-between; align-items: center;
}
.topbar a:hover { color: var(--green-400); }
.topbar-left, .topbar-right { display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; align-items: center; }
.topbar i { color: var(--green-400); margin-right: .35rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 244, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(10, 31, 18, .08); }
.header-inner {
  display: flex; align-items: center; gap: 1rem;
  min-height: var(--header-h);
}
.logo {
  display: flex; align-items: center; gap: .7rem;
  font-weight: 800; letter-spacing: -.02em;
}
.logo img {
  width: 48px; height: 48px; object-fit: contain;
  border-radius: 10px; background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text small { font-weight: 500; font-size: .72rem; color: var(--muted); letter-spacing: 0; }
.nav {
  display: flex; align-items: center; gap: .15rem;
  margin-left: auto;
}
.nav a {
  padding: .55rem .85rem;
  border-radius: 999px;
  font-weight: 600; font-size: .92rem;
  color: var(--ink);
  transition: background .2s, color .2s;
}
.nav a:hover, .nav a.active {
  background: var(--green-100);
  color: var(--green-800);
}
.lang-switch {
  display: flex; border: 1px solid var(--line);
  border-radius: 999px; overflow: hidden; margin-left: .5rem;
}
.lang-switch a {
  padding: .4rem .7rem; font-size: .8rem; font-weight: 700;
  color: var(--muted);
}
.lang-switch a.active {
  background: var(--green-700); color: var(--white);
}
.header-cta {
  display: inline-flex; align-items: center; gap: .45rem;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: var(--white) !important;
  padding: .65rem 1.1rem;
  border-radius: 999px;
  font-weight: 700; font-size: .88rem;
  box-shadow: 0 8px 20px rgba(22, 101, 52, .25);
  white-space: nowrap;
}
.header-cta:hover { filter: brightness(1.06); transform: translateY(-1px); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: .5rem;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: .25s;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.4rem;
  border-radius: 999px;
  font-weight: 700; font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  box-shadow: 0 10px 28px rgba(22, 163, 74, .3);
}
.btn-ghost {
  background: rgba(255,255,255,.12);
  color: var(--white);
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.btn-outline {
  background: transparent;
  color: var(--green-800);
  border-color: var(--green-600);
}
.btn-outline:hover { background: var(--green-50); }

/* Hero */
.hero {
  position: relative;
  min-height: clamp(520px, 88vh, 760px);
  display: flex; align-items: center;
  color: var(--white);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
}
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.06);
  transition: opacity 1.1s var(--ease), transform 6s ease;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(10,31,18,.92) 0%, rgba(15,46,26,.78) 45%, rgba(10,31,18,.45) 100%),
    radial-gradient(ellipse at 70% 30%, rgba(34,197,94,.18), transparent 50%);
}
.hero-content {
  position: relative; z-index: 2;
  padding: 4.5rem 0 5rem;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(34,197,94,.15);
  border: 1px solid rgba(74,222,128,.35);
  color: var(--green-100);
  padding: .4rem .9rem;
  border-radius: 999px;
  font-size: .82rem; font-weight: 600;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.35rem);
  line-height: 1.15; font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}
.hero h1 span {
  background: linear-gradient(90deg, var(--green-400), #a7f3d0);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero .lead {
  font-size: 1.08rem;
  color: rgba(255,255,255,.82);
  max-width: 540px;
  margin-bottom: 1.75rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }
.hero-stats {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
  max-width: 480px;
}
.hero-stat {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  backdrop-filter: blur(8px);
}
.hero-stat strong {
  display: block; font-size: 1.35rem; font-weight: 800;
  color: var(--green-400);
}
.hero-stat span { font-size: .78rem; color: rgba(255,255,255,.7); }
.hero-dots {
  position: absolute; bottom: 1.5rem; left: 50%;
  transform: translateX(-50%); z-index: 3;
  display: flex; gap: .45rem;
}
.hero-dots button {
  width: 8px; height: 8px; border-radius: 999px;
  border: 0; background: rgba(255,255,255,.35);
  cursor: pointer; padding: 0; transition: .25s;
}
.hero-dots button.is-active { width: 28px; background: var(--green-400); }

/* Marquee */
.marquee-wrap {
  background: var(--green-800);
  color: var(--green-100);
  overflow: hidden;
  border-block: 1px solid rgba(255,255,255,.08);
}
.marquee-track {
  display: flex; gap: 2.5rem;
  width: max-content;
  padding: .85rem 0;
  animation: marquee 28s linear infinite;
  font-weight: 600; font-size: .9rem;
}
.marquee-track span { display: inline-flex; align-items: center; gap: .5rem; white-space: nowrap; }
.marquee-track i { color: var(--green-400); }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--white); }
.section-dark {
  background: linear-gradient(160deg, var(--green-950), var(--green-900) 50%, #123524);
  color: var(--white);
}
.section-head { margin-bottom: 2.5rem; max-width: 640px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-tag {
  display: inline-block;
  color: var(--green-600);
  font-weight: 700; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: .65rem;
}
.section-dark .section-tag { color: var(--green-400); }
.section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.2; letter-spacing: -.02em;
  margin-bottom: .75rem;
}
.section-head p { color: var(--muted); font-size: 1.02rem; }
.section-dark .section-head p { color: rgba(255,255,255,.7); }

/* About split */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center;
}
.about-media {
  position: relative;
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.about-float {
  position: absolute; bottom: 1.25rem; left: 1.25rem; right: 1.25rem;
  background: rgba(255,255,255,.95);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  display: flex; gap: 1rem; align-items: center;
  box-shadow: var(--shadow);
}
.about-float strong { display: block; font-size: 1.2rem; color: var(--green-700); }
.about-float span { font-size: .85rem; color: var(--muted); }
.about-copy h2 { margin-bottom: 1rem; font-size: clamp(1.5rem, 2.5vw, 2.1rem); }
.about-copy > p { color: var(--muted); margin-bottom: 1rem; }
.about-points { display: grid; gap: .85rem; margin: 1.5rem 0 2rem; }
.about-points li {
  display: flex; gap: .75rem; align-items: flex-start;
  font-weight: 500;
}
.about-points i {
  color: var(--green-600);
  background: var(--green-100);
  width: 28px; height: 28px;
  border-radius: 8px;
  display: grid; place-items: center;
  flex-shrink: 0; margin-top: .1rem;
  font-size: .85rem;
}

/* Category cards */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
  group: true;
  box-shadow: var(--shadow);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.cat-card:hover img { transform: scale(1.08); }
.cat-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(10,31,18,.88) 100%);
}
.cat-body {
  position: absolute; inset: auto 0 0 0; z-index: 1;
  padding: 1.35rem;
  color: var(--white);
}
.cat-body .icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: rgba(34,197,94,.25);
  border: 1px solid rgba(74,222,128,.4);
  border-radius: 12px;
  margin-bottom: .75rem;
  color: var(--green-400);
}
.cat-body h3 { font-size: 1.15rem; margin-bottom: .35rem; }
.cat-body p { font-size: .88rem; color: rgba(255,255,255,.75); line-height: 1.45; }

/* Product grid */
.filters {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-bottom: 1.75rem; justify-content: center;
}
.filter-btn {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  padding: .55rem 1.05rem;
  border-radius: 999px;
  font-weight: 600; font-size: .88rem;
  cursor: pointer;
  transition: .2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--green-700);
  border-color: var(--green-700);
  color: var(--white);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .3s var(--ease), box-shadow .3s;
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.product-card .thumb {
  aspect-ratio: 1;
  background: var(--green-50);
  overflow: hidden;
}
.product-card .thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .45s var(--ease);
}
.product-card:hover .thumb img { transform: scale(1.06); }
.product-card .body { padding: 1.1rem 1.15rem 1.25rem; flex: 1; display: flex; flex-direction: column; }
.product-card .cat-label {
  font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--green-600); margin-bottom: .35rem;
}
.product-card h3 { font-size: 1.02rem; margin-bottom: .45rem; line-height: 1.3; }
.product-card p {
  font-size: .88rem; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; flex: 1;
}

/* Why / values */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.value-item {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  transition: background .25s, transform .25s;
}
.value-item:hover {
  background: rgba(255,255,255,.09);
  transform: translateY(-3px);
}
.value-item .num {
  font-size: .78rem; font-weight: 800;
  color: var(--green-400);
  letter-spacing: .1em;
  margin-bottom: .75rem;
}
.value-item h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.value-item p { font-size: .9rem; color: rgba(255,255,255,.68); }

/* Markets */
.markets {
  display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center;
}
.market-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--white);
  border: 1px solid var(--line);
  padding: .7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0,0,0,.04);
}
.market-chip i { color: var(--green-600); }

/* News */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-card .thumb { aspect-ratio: 16/10; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card .body { padding: 1.25rem; }
.news-card h3 { font-size: 1.05rem; line-height: 1.35; margin-bottom: .55rem; }
.news-card p { font-size: .9rem; color: var(--muted); }
.news-card-link { display: block; color: inherit; height: 100%; }
.news-date {
  font-size: .8rem; font-weight: 600; color: var(--green-600);
  margin-bottom: .45rem; display: flex; align-items: center; gap: .35rem;
}
.news-more {
  display: inline-flex; align-items: center; gap: .35rem;
  margin-top: .75rem; font-size: .88rem; font-weight: 700; color: var(--green-700);
}
.news-card:hover .news-more { gap: .55rem; }

/* Article detail — news format */
.article-wrap {
  max-width: 820px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.25rem, 3vw, 2.25rem);
  box-shadow: var(--shadow);
}
.breadcrumb-dark a { color: var(--green-700); }
.breadcrumb-dark { color: var(--muted); margin-bottom: 1rem; font-size: .9rem; }
.article-meta-bar {
  display: flex; flex-wrap: wrap; gap: .65rem 1rem;
  align-items: center;
  margin-bottom: 1rem;
  font-size: .88rem;
  color: var(--muted);
}
.article-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--green-100);
  color: var(--green-800);
  font-weight: 700;
  padding: .3rem .7rem;
  border-radius: 999px;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.article-author { display: inline-flex; align-items: center; gap: .35rem; }
.article-cover {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 1.75rem;
  box-shadow: var(--shadow);
  background: var(--green-50);
}
.article-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.article-cover figcaption {
  font-size: .82rem;
  color: var(--muted);
  padding: .65rem .9rem .8rem;
  background: var(--cream);
  border-top: 1px solid var(--line);
}
.article-head { margin-bottom: 1.25rem; }
.article-head h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
  line-height: 1.28; letter-spacing: -.02em;
  margin: 0 0 .85rem;
  color: var(--ink);
}
.article-lead {
  font-size: 1.1rem; color: #475569; line-height: 1.7;
  border-left: 4px solid var(--green-500);
  padding: .35rem 0 .35rem 1rem;
  margin: 0;
  font-weight: 500;
}
.article-body {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #1e293b;
  margin-top: .25rem;
}
.article-body h2 {
  font-size: 1.28rem;
  margin: 1.85rem 0 .7rem;
  color: var(--green-900);
  letter-spacing: -.01em;
  line-height: 1.35;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--line);
}
.article-body h3 {
  font-size: 1.12rem;
  margin: 1.4rem 0 .55rem;
  color: var(--green-800);
}
.article-body p { margin: 0 0 1.1rem; }
.article-body p:last-child { margin-bottom: 0; }
.article-body ul, .article-body ol {
  margin: 0 0 1.1rem 1.25rem;
  padding: 0;
}
.article-body li { margin-bottom: .4rem; }
.article-body strong { color: var(--ink); }
.article-body .article-source,
.article-body p.article-source {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
  font-size: .92rem;
  color: var(--muted);
}
.article-body blockquote {
  margin: 1.25rem 0;
  padding: .85rem 1.1rem;
  background: var(--green-50);
  border-left: 4px solid var(--green-600);
  color: #334155;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-foot {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin-top: 2.25rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.related-news {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.related-news h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .85rem;
}
.related-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: .65rem;
  align-items: start;
  padding: .65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--cream);
  transition: border-color .2s, transform .2s;
}
.related-card:hover {
  border-color: var(--green-500);
  transform: translateY(-2px);
}
.related-card img {
  width: 72px; height: 56px;
  object-fit: cover;
  border-radius: 8px;
}
.related-card strong {
  display: block;
  font-size: .88rem;
  line-height: 1.35;
  margin-bottom: .25rem;
}
.related-card span {
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.35;
}
@media (max-width: 720px) {
  .related-grid { grid-template-columns: 1fr; }
  .article-wrap { padding: 1.1rem; border-radius: var(--radius); }
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(120deg, rgba(10,31,18,.92), rgba(22,101,52,.88)),
    url("../assets/slider/slide1.jpg") center/cover;
  color: var(--white);
  border-radius: calc(var(--radius) + 8px);
  padding: 3rem 2.5rem;
  display: flex; flex-wrap: wrap;
  gap: 1.5rem; align-items: center; justify-content: space-between;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); margin-bottom: .4rem; }
.cta-band p { color: rgba(255,255,255,.8); max-width: 460px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .65rem; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 2rem;
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.contact-list { display: grid; gap: 1.15rem; margin-top: 1.25rem; }
.contact-list li {
  display: flex; gap: .9rem; align-items: flex-start;
}
.contact-list .icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--green-100);
  color: var(--green-700);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-list strong { display: block; font-size: .82rem; color: var(--muted); font-weight: 600; }
.contact-list a:hover { color: var(--green-700); }
.form-grid { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field label {
  display: block; font-size: .85rem; font-weight: 600;
  margin-bottom: .4rem; color: var(--ink);
}
.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--cream);
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34,197,94,.15);
  background: var(--white);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: .5rem; }

/* Page hero (inner) */
.page-hero {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  color: var(--white);
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background: center/cover no-repeat;
  transform: scale(1.02);
}
.page-hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,31,18,.94), rgba(15,46,26,.75));
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -.02em; margin-bottom: .6rem;
}
.page-hero p { color: rgba(255,255,255,.8); max-width: 560px; font-size: 1.05rem; }
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: .4rem; align-items: center;
  font-size: .85rem; color: rgba(255,255,255,.65);
  margin-bottom: 1rem;
}
.breadcrumb a:hover { color: var(--green-400); }
.breadcrumb span { opacity: .5; }

/* Footer */
.site-footer {
  background: var(--green-950);
  color: rgba(255,255,255,.78);
  padding-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}
.footer-brand .logo { color: var(--white); margin-bottom: 1rem; }
.footer-brand .logo small { color: rgba(255,255,255,.55); }
.footer-brand p { font-size: .92rem; line-height: 1.7; margin-bottom: 1rem; }
.footer-col h4 {
  color: var(--white);
  font-size: .95rem;
  margin-bottom: 1rem;
  letter-spacing: .02em;
}
.footer-col a {
  display: block; padding: .3rem 0;
  font-size: .92rem;
  color: rgba(255,255,255,.7);
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover { color: var(--green-400); padding-left: 4px; }
.footer-social { display: flex; gap: .55rem; margin-top: 1rem; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: grid; place-items: center;
  color: var(--white);
  padding: 0 !important;
}
.footer-social a:hover { background: var(--green-600); padding-left: 0 !important; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.15rem 0;
  display: flex; flex-wrap: wrap; gap: .75rem;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
}
.footer-bottom a {
  color: rgba(255,255,255,.72);
  font-weight: 600;
  transition: color .2s;
}
.footer-bottom a:hover { color: var(--green-400); }

/* Float actions */
.float-actions {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 90;
  display: flex; flex-direction: column; gap: .55rem;
}
.float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  font-size: 1.25rem;
  transition: transform .2s;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn.zalo { background: #0068ff; }
.float-btn.phone { background: var(--green-600); }
.float-btn.top {
  background: var(--green-900);
  opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .2s;
}
.float-btn.top.show { opacity: 1; pointer-events: auto; }

/* Reveal */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.stagger > * { opacity: 0; transform: translateY(18px); transition: .55s var(--ease); }
.stagger.is-visible > * { opacity: 1; transform: none; }
.stagger.is-visible > *:nth-child(2) { transition-delay: .08s; }
.stagger.is-visible > *:nth-child(3) { transition-delay: .16s; }
.stagger.is-visible > *:nth-child(4) { transition-delay: .24s; }
.stagger.is-visible > *:nth-child(5) { transition-delay: .32s; }
.stagger.is-visible > *:nth-child(6) { transition-delay: .4s; }

/* Empty state */
.empty-state {
  text-align: center; padding: 3rem 1rem; color: var(--muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .cat-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: flex; margin-left: auto; }
  .header-cta { display: none; }
  .nav {
    position: fixed; inset: calc(var(--header-h) + 28px) 0 auto 0;
    background: var(--white);
    flex-direction: column; align-items: stretch;
    padding: 1rem;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0; pointer-events: none;
    transition: .3s var(--ease);
    margin-left: 0;
  }
  .nav.is-open {
    transform: none; opacity: 1; pointer-events: auto;
  }
  .nav a { padding: .85rem 1rem; border-radius: var(--radius-sm); }
  .lang-switch { margin: .5rem 0 0; align-self: flex-start; }
  .hero-stats { grid-template-columns: 1fr 1fr 1fr; gap: .65rem; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .topbar { display: none; }
  .cat-grid, .value-grid, .news-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; max-width: 220px; }
  .cta-band { padding: 2rem 1.35rem; }
  .section { padding: 3.5rem 0; }
}