/* ============================================
   GONUT - Healthy từ cây chuối Việt
   Tông màu: nâu / vàng chuối, ít xanh lá
   ============================================ */

:root {
  --brown-900: #3E2B1A;
  --brown-700: #5C3D1E;
  --brown-500: #8B5E34;
  --brown-300: #B98A5A;
  --yellow-500: #F5B82E;
  --yellow-400: #FFC94D;
  --yellow-100: #FFF3D6;
  --cream: #FFFBF2;
  --cream-2: #FBF3E4;
  --green-600: #4F7942; /* dùng tiết chế */
  --text: #3E2B1A;
  --text-soft: #7A6650;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(92, 61, 30, 0.10);
  --shadow-lg: 0 16px 50px rgba(92, 61, 30, 0.16);
  --container: 1180px;
  --font: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ===== Topbar ===== */
.topbar {
  background: var(--brown-900);
  color: #EAD9C2;
  font-size: 13px;
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 36px; gap: 12px;
}
.topbar a:hover { color: var(--yellow-400); }
.topbar-contact { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar-social { display: flex; gap: 14px; }
.lang-switch {
  background: rgba(255,255,255,.15); padding: 3px 10px; border-radius: 999px;
  font-weight: 600; font-size: 12px; letter-spacing: .5px; transition: background .2s;
}
.lang-switch:hover { background: var(--yellow-500); color: var(--brown-900); }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 251, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(139, 94, 52, 0.12);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px; gap: 16px;
}
.logo { display: flex; align-items: center; font-weight: 800; font-size: 26px; letter-spacing: -0.5px; }
.logo .logo-icon { font-size: 30px; margin-right: 10px; }
.logo .logo-img { height: 60px; width: auto; display: block; transition: transform .2s; }
.logo:hover .logo-img { transform: scale(1.04); }
/* Logo trong footer (nền nâu): đặt trên ô sáng cho rõ chữ */
.footer-logo-img { display: inline-block; background: #fff; border-radius: 12px; padding: 8px 14px; margin-bottom: 14px; }
.footer-logo-img img { height: 40px; width: auto; display: block; }
.logo b { color: var(--brown-700); }
.logo span { color: var(--yellow-500); }

.main-nav ul { display: flex; gap: 6px; }
.main-nav a {
  display: block; padding: 10px 14px; font-weight: 600; font-size: 15px;
  border-radius: 999px; transition: background .2s, color .2s;
}
.main-nav a:hover, .main-nav a.active { background: var(--yellow-100); color: var(--brown-700); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: none; transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-primary { background: var(--yellow-500); color: var(--brown-900); }
.btn-primary:hover { background: var(--yellow-400); }
.btn-outline { background: transparent; border: 2px solid var(--brown-500); color: var(--brown-700); }
.btn-dark { background: var(--brown-700); color: #fff; }

.nav-toggle {
  display: none; background: none; border: none; font-size: 26px; color: var(--brown-700);
}

/* ===== Hero carousel ===== */
.hero { position: relative; overflow: hidden; background: var(--cream-2); }
.hero-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.hero-slide { min-width: 100%; position: relative; }
.hero-slide-inner {
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: center;
  gap: 40px; min-height: 520px; padding: 48px 20px;
  max-width: var(--container); margin: 0 auto;
}
.hero-eyebrow {
  display: inline-block; background: var(--yellow-100); color: var(--brown-700);
  padding: 6px 16px; border-radius: 999px; font-weight: 700; font-size: 13px;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 18px;
}
.hero h1, .hero .h1 {
  font-size: clamp(32px, 4.5vw, 54px); line-height: 1.15; font-weight: 800;
  color: var(--brown-900); margin-bottom: 18px; letter-spacing: -1px;
}
.hero h1 em, .hero .h1 em { color: var(--yellow-500); font-style: normal; }
.hero p { color: var(--text-soft); font-size: 18px; max-width: 480px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-media { position: relative; }
.hero-media .ph, .hero-media img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: 24px; box-shadow: var(--shadow-lg);
}
.hero-dots {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 5;
}
.hero-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: none;
  background: rgba(92,61,30,.25); transition: all .3s;
}
.hero-dots button.active { background: var(--yellow-500); width: 28px; border-radius: 999px; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 44px; height: 44px; border-radius: 50%; border: none;
  background: rgba(255,255,255,.9); color: var(--brown-700); font-size: 18px;
  box-shadow: var(--shadow); transition: background .2s;
}
.hero-arrow:hover { background: var(--yellow-400); }
.hero-arrow.prev { left: 16px; } .hero-arrow.next { right: 16px; }

/* ===== Sections chung ===== */
section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-eyebrow {
  color: var(--yellow-500); font-weight: 800; font-size: 13px;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; color: var(--brown-900);
  letter-spacing: -0.5px; margin-bottom: 12px;
}
.section-head p { color: var(--text-soft); }

/* ===== Giá trị cốt lõi ===== */
.values { background: var(--white); }
.values-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px;
}
.value-item {
  text-align: center; padding: 26px 12px; border-radius: var(--radius);
  background: var(--cream); border: 1px solid rgba(139,94,52,.08);
  transition: transform .25s, box-shadow .25s;
}
.value-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.value-item .icon {
  width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--yellow-100); display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.value-item h3 { font-size: 14.5px; font-weight: 700; color: var(--brown-700); line-height: 1.4; }

/* ===== Câu chuyện ===== */
.story-grid {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center;
}
.story-media { position: relative; }
.story-media .ph, .story-media img {
  width: 100%; aspect-ratio: 4/3.4; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow-lg);
}
.story-badge {
  position: absolute; bottom: -20px; right: -14px;
  background: var(--yellow-500); color: var(--brown-900);
  padding: 16px 22px; border-radius: 16px; font-weight: 800; font-size: 15px;
  box-shadow: var(--shadow-lg); max-width: 220px; line-height: 1.4;
}
.story-text .section-eyebrow { text-align: left; }
.story-text h2 {
  font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--brown-900);
  margin-bottom: 18px; letter-spacing: -0.5px;
}
.story-text p { color: var(--text-soft); margin-bottom: 14px; }
.story-text .btn { margin-top: 12px; }

/* ===== Stats ===== */
.stats { background: linear-gradient(135deg, var(--brown-700), var(--brown-900)); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num {
  font-size: clamp(36px, 4vw, 52px); font-weight: 800; color: var(--yellow-400);
  letter-spacing: -1px;
}
.stat-num .suffix { font-size: .6em; }
.stat-label { color: #EAD9C2; font-size: 15px; margin-top: 6px; }

/* ===== Products ===== */
.products { background: var(--white); }
.products-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.product-card {
  background: var(--cream); border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(139,94,52,.08);
  transition: transform .25s, box-shadow .25s; position: relative;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card .thumb { aspect-ratio: 1/1; overflow: hidden; }
.product-card .thumb img, .product-card .thumb .ph {
  width: 100%; height: 100%; object-fit: cover; transition: transform .4s;
}
.product-card:hover .thumb img { transform: scale(1.06); }
.product-tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--yellow-500); color: var(--brown-900);
  font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px;
}
.product-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-body h3 { font-size: 16px; font-weight: 700; color: var(--brown-900); line-height: 1.4; }
.product-price { font-weight: 800; color: var(--brown-500); font-size: 17px; margin-top: auto; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.product-price .pp-sale { color: #C0392B; }
.product-price .pp-old { color: var(--text-soft); font-weight: 600; font-size: 13px; text-decoration: line-through; }
.product-price .pp-badge { background: #C0392B; color: #fff; font-size: 11px; font-weight: 800; padding: 2px 7px; border-radius: 999px; }
.product-body .btn { padding: 10px 18px; font-size: 14px; justify-content: center; }
.products-more { text-align: center; margin-top: 40px; }

/* ===== Certifications ===== */
.certs { background: var(--cream-2); padding: 56px 0; }
.certs-row {
  display: flex; justify-content: center; gap: 20px; flex-wrap: wrap;
}
.cert-badge {
  background: #fff; border: 1px solid rgba(139,94,52,.12); border-radius: var(--radius);
  padding: 18px 26px; font-weight: 700; color: var(--brown-700); font-size: 14px;
  display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow);
}
.cert-badge .icon { font-size: 22px; }
.cert-badge img { height: 44px; width: auto; max-width: 90px; object-fit: contain; display: block; }

/* ===== TikTok embed widget (giống sokfarm, bấm play) ===== */
.tt-embed-grid { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.tt-embed-grid .tiktok-embed { margin: 0 !important; max-width: 325px; min-width: 280px; flex: 0 1 325px; border-radius: var(--radius); }

/* ===== YouTube grid (9:16 dọc, play trực tiếp) ===== */
.yt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.yt-card { aspect-ratio: 9/16; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #000; }
.yt-card iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 1024px) { .yt-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .yt-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== News ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(139,94,52,.08); transition: transform .25s, box-shadow .25s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card .thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--cream-2); }
.news-card .thumb img, .news-card .thumb .ph { width: 100%; height: 100%; object-fit: contain; }
.news-body { padding: 20px; }
.news-meta { font-size: 13px; color: var(--text-soft); margin-bottom: 8px; }
.news-body h3 { font-size: 17px; font-weight: 700; color: var(--brown-900); line-height: 1.45; margin-bottom: 8px; }
.news-body p { font-size: 14.5px; color: var(--text-soft); }
.news-body .read-more { display: inline-block; margin-top: 12px; font-weight: 700; color: var(--brown-500); font-size: 14px; }
.news-body .read-more:hover { color: var(--yellow-500); }

/* ===== Article detail ===== */
.article-meta { color: var(--text-soft); font-size: 14px; margin-bottom: 16px; }
.article-cover { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); margin-bottom: 28px; }
.article-cover { background: var(--cream-2); }
.article-cover img { width: 100%; max-height: 520px; object-fit: contain; display: block; margin: 0 auto; }
.article-body { font-size: 17px; line-height: 1.85; color: var(--text); }
.article-body em { color: var(--brown-500); font-style: normal; font-weight: 700; }
.article-source { margin-top: 28px; }
.article-back { display: flex; gap: 12px; flex-wrap: wrap; margin: 36px 0 8px; padding-top: 24px; border-top: 1px solid rgba(139,94,52,.15); }

/* ===== TikTok videos ===== */
.videos { background: var(--white); }
.videos-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.video-card {
  aspect-ratio: 9/16; border-radius: var(--radius); overflow: hidden;
  position: relative; background: var(--brown-900); box-shadow: var(--shadow);
}
.video-card iframe { width: 100%; height: 100%; border: 0; }
.video-card .ph { width: 100%; height: 100%; }
.video-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 52px; color: #fff; background: rgba(62,43,26,.25); transition: background .2s;
}
.video-card:hover .video-play { background: rgba(62,43,26,.5); }

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(120deg, var(--yellow-500), var(--yellow-400));
  border-radius: 24px; padding: 56px 48px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: "🍌"; position: absolute; font-size: 160px; opacity: .12;
  left: -20px; top: -30px; transform: rotate(-20deg);
}
.cta-banner::after {
  content: "🍌"; position: absolute; font-size: 160px; opacity: .12;
  right: -20px; bottom: -40px; transform: rotate(25deg);
}
.cta-banner h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: var(--brown-900); margin-bottom: 10px; }
.cta-banner p { color: var(--brown-700); margin-bottom: 24px; font-size: 17px; }

/* ===== Footer ===== */
.site-footer { background: var(--brown-900); color: #D8C5AC; padding: 64px 0 0; font-size: 14.5px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px;
}
.footer-grid h4 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 700; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--yellow-400); }
.footer-logo { font-size: 28px; font-weight: 800; margin-bottom: 14px; }
.footer-logo b { color: #fff; } .footer-logo span { color: var(--yellow-400); }
.footer-social { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  transition: background .2s, transform .2s;
}
.footer-social a:hover { background: var(--yellow-500); transform: translateY(-3px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; text-align: center;
  font-size: 13px; color: #A98F73;
}

/* ===== Floating buttons ===== */
.float-actions {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 54px; height: 54px; border-radius: 50%; border: none;
  display: flex; align-items: center; justify-content: center; font-size: 23px;
  box-shadow: var(--shadow-lg); transition: transform .2s;
  position: relative;
}
.float-btn:hover { transform: scale(1.1); }
.float-btn.zalo { background: #0068FF; color: #fff; font-size: 13px; font-weight: 800; }
.float-btn.order { background: var(--yellow-500); color: var(--brown-900); }
.float-btn.top { background: var(--brown-700); color: #fff; opacity: 0; pointer-events: none; transition: opacity .3s, transform .2s; }
.float-btn.top.show { opacity: 1; pointer-events: auto; }
.float-btn .pulse {
  position: absolute; inset: 0; border-radius: 50%;
  animation: pulse 2s infinite; background: inherit; z-index: -1;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: .6; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ===== Page hero (subpages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--cream-2), var(--yellow-100));
  padding: 64px 0; text-align: center;
}
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--brown-900); letter-spacing: -0.5px; }
.page-hero .breadcrumb { color: var(--text-soft); font-size: 14px; margin-top: 10px; }
.page-hero .breadcrumb a:hover { color: var(--brown-500); }

/* ===== Team ===== */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 240px)); gap: 24px; justify-content: center; }
.team-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; text-align: center;
  border: 1px solid rgba(139,94,52,.08); box-shadow: var(--shadow);
  transition: transform .25s;
}
.team-card:hover { transform: translateY(-6px); }
.team-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.team-card .team-body { padding: 16px 14px 20px; }
.team-card h3 { font-size: 16.5px; font-weight: 800; color: var(--brown-900); }
.team-card .role { font-size: 13.5px; color: var(--yellow-500); font-weight: 700; margin: 2px 0 8px; }
.team-card p { font-size: 13.5px; color: var(--text-soft); }
.team-social { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }
.team-social a { width: 32px; height: 32px; border-radius: 50%; background: var(--cream-2); color: var(--brown-700); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; transition: background .2s, transform .2s; }
.team-social a:hover { background: var(--yellow-400); transform: translateY(-2px); }

/* ===== Contact page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info-card {
  background: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.contact-info-card h3 { color: var(--brown-700); margin-bottom: 8px; font-size: 17px; }
.contact-form { background: #fff; border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--brown-700); }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 12px 16px; border: 1.5px solid rgba(139,94,52,.2);
  border-radius: 10px; font-family: inherit; font-size: 15px; background: var(--cream);
  transition: border-color .2s;
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--yellow-500); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .videos-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .main-nav {
    position: fixed; top: 0; right: -300px; width: 280px; height: 100vh;
    background: var(--cream); box-shadow: var(--shadow-lg); z-index: 200;
    transition: right .3s; padding: 80px 24px 24px;
  }
  .main-nav.open { right: 0; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 14px 16px; font-size: 16px; }
  .nav-toggle { display: block; z-index: 210; }
  .nav-overlay {
    position: fixed; inset: 0; background: rgba(62,43,26,.4); z-index: 150;
    opacity: 0; pointer-events: none; transition: opacity .3s;
  }
  .nav-overlay.show { opacity: 1; pointer-events: auto; }
  .header-order-btn { display: none; }
  .hero-slide-inner { grid-template-columns: 1fr; min-height: auto; padding: 40px 20px 70px; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-media { order: -1; max-width: 420px; margin: 0 auto; }
  .story-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .topbar .hide-mobile { display: none; }
  section { padding: 52px 0; }
}
@media (max-width: 560px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-banner { padding: 40px 24px; }
  .product-body { padding: 14px; }
  .product-body h3 { font-size: 14.5px; }
  .hero-arrow { display: none; }
}