:root {
  --ink: #15261b;
  --muted: #5b6b60;
  --green-950: #0f2618;
  --green-900: #173a26;
  --green-700: #2b5c3c;
  --green-500: #4f8a5e;
  --lime: #c5d65a;
  --lime-dark: #a9bb3c;
  --cream: #f6f2ea;
  --sand: #ebe3d4;
  --white: #ffffff;
  --line: rgba(21, 38, 27, 0.12);
  --radius: 18px;
  --shadow: 0 18px 40px -22px rgba(15, 38, 24, 0.35);
  --font: "Noto Sans KR", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.5em; font-weight: 900; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-cream { background: var(--cream); }
.section-dark { background: var(--green-950); color: #e8eee6; }
.center { text-align: center; }
[hidden] { display: none !important; }

.eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--green-500); margin-bottom: 0.8em;
}
.eyebrow.light { color: var(--lime); }
.head { max-width: 720px; margin-bottom: 40px; }
.head-sm { margin: 64px 0 20px; }
.head-sub { color: var(--muted); font-size: 1.05rem; }
.head-sub.light { color: #b9c7bc; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lime { background: var(--lime); color: var(--green-950); }
.btn-lime:hover { background: #d3e26b; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-outline { border-color: var(--green-900); color: var(--green-900); background: transparent; }
.btn-outline:hover { background: var(--green-900); color: #fff; }
.btn-wa { background: #25d366; color: #fff; }
.btn-wa:hover { background: #1ebe5b; }
.btn-shop { background: #ee4d2d; color: #fff; }
.btn-shop:hover { background: #d8401f; }
.btn-block { display: flex; width: 100%; }

/* Nav */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s ease, box-shadow .3s ease;
  color: #fff;
}
.nav.scrolled { background: rgba(255,255,255,.97); color: var(--ink); box-shadow: 0 1px 0 var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { text-decoration: none; display: flex; align-items: center; gap: 10px; color: inherit; }
/* official TEAZEN logo as masks, so it takes the text colour (white on the hero, dark once the nav turns white) */
.logo-mark, .logo-type { display: block; background: currentColor; -webkit-mask: center / contain no-repeat; mask: center / contain no-repeat; }
.logo-mark { width: 34px; height: 34px; -webkit-mask-image: url(assets/brand/emblem-mask.png); mask-image: url(assets/brand/emblem-mask.png); }
.logo-type { width: 112px; height: 21px; -webkit-mask-image: url(assets/brand/wordmark-mask.png); mask-image: url(assets/brand/wordmark-mask.png); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a:not(.btn) { text-decoration: none; font-size: 0.92rem; font-weight: 500; opacity: .9; }
.nav-links a:not(.btn):hover { opacity: 1; color: var(--lime); }
.nav.scrolled .nav-links a:not(.btn):hover { color: var(--green-500); }
.burger { display: none; background: none; border: 0; padding: 10px; cursor: pointer; color: inherit; }
.burger span { display: block; width: 22px; height: 2px; background: currentColor; margin: 5px 0; transition: transform .25s, opacity .25s; }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: heroZoom 18s ease-out both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,30,18,.82) 0%, rgba(10,30,18,.55) 45%, rgba(10,30,18,.15) 100%); }
.hero-content { position: relative; padding: 120px 0 80px; }
.hero h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); margin-bottom: 0.35em; }
.hero-lead { max-width: 540px; font-size: clamp(1rem, 1.6vw, 1.15rem); color: #e2ebe3; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
@keyframes heroZoom { from { transform: scale(1.12); } to { transform: scale(1); } }

/* Stats */
.stats { background: var(--green-900); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 22px; border-left: 1px solid rgba(255,255,255,.12); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 900; color: var(--lime); line-height: 1.1; }
.stat span { font-size: 0.88rem; color: #c8d5ca; }

/* About */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split-media { position: relative; padding-bottom: 60px; }
.split-media > img:first-child { border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.split-float {
  position: absolute; right: -18px; bottom: 0; width: 52%; border-radius: 14px;
  border: 6px solid #fff; box-shadow: var(--shadow); aspect-ratio: 16/10; object-fit: cover;
}
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.badges span {
  font-size: 0.75rem; font-weight: 700; letter-spacing: .06em; padding: 7px 14px;
  border-radius: 999px; background: var(--cream); color: var(--green-700); border: 1px solid var(--sand);
}
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(56px, 8vw, 96px); }
.value { background: var(--cream); border-radius: var(--radius); padding: 34px 30px; }
.value svg { width: 64px; height: 64px; color: var(--green-700); margin-bottom: 18px; }
.value p { color: var(--muted); margin: 0; }

/* Products: direct order */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: #fff; border-radius: 16px; overflow: hidden; display: flex; flex-direction: column;
  border: 1px solid transparent; transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--sand); }
.card-img { display: block; width: 100%; aspect-ratio: 780/575; background: #fff; overflow: hidden; border: 0; padding: 0; cursor: zoom-in; }
.card-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { flex: 1; display: flex; flex-direction: column; gap: 2px; padding: 14px 18px 18px; border-top: 1px solid #f0ebe1; }
.card-tag { font-size: 0.7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--green-500); }
.card-name {
  font: inherit; font-weight: 700; font-size: 1.05rem; text-align: left; color: var(--ink);
  background: none; border: 0; padding: 0; cursor: pointer;
}
.card-name:hover { color: var(--green-700); text-decoration: underline; }
.card-spec { font-size: 0.8rem; color: var(--muted); }
.price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; margin: 10px 0 14px; }
.price b { font-size: 1.3rem; font-weight: 900; color: var(--green-900); font-variant-numeric: tabular-nums; }
.price s { font-size: 0.85rem; color: var(--muted); }
.save { font-size: 0.7rem; font-weight: 700; color: #a3401c; background: #fde9df; padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.shop-group + .shop-group { margin-top: 44px; }
.shop-title { font-size: 1.15rem; font-weight: 900; margin: 0 0 16px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.shop-title small { font-size: 0.85rem; font-weight: 500; color: var(--muted); }
.grid-5 { grid-template-columns: repeat(5, 1fr); gap: 14px; }
.grid-5 .card-body { padding: 12px 14px 14px; }
.grid-5 .card-name { font-size: 0.98rem; }
.grid-5 .price b { font-size: 1.15rem; }
.pd-contents { list-style: none; padding: 0 !important; margin: 10px 0 18px !important; display: grid; gap: 10px; }
.pd-contents li { display: grid; gap: 2px; padding: 10px 14px; background: var(--cream); border-radius: 10px; margin: 0 !important; }
.pd-contents strong { color: var(--ink); font-size: 0.95rem; }
.pd-contents span { font-size: 0.85rem; }
.card-act { margin-top: auto; }
.btn-add { width: 100%; padding: 11px 16px; font-size: 0.9rem; background: var(--green-900); color: #fff; border-color: var(--green-900); }
.btn-add:hover { background: var(--green-700); }
.card .qty { width: 100%; justify-content: space-between; }
.pd-buy .btn-add { width: auto; padding-inline: 28px; }
.qty-n { display: grid; place-items: center; min-width: 48px; font-weight: 900; font-variant-numeric: tabular-nums; }
.card-img:focus-visible, .card-name:focus-visible, .btn:focus-visible { outline: 3px solid var(--lime-dark); outline-offset: 2px; }

.how {
  list-style: none; counter-reset: how; margin: 28px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.how li { counter-increment: how; display: flex; gap: 12px; align-items: flex-start; font-size: 0.92rem; color: var(--muted); }
.how li::before {
  content: counter(how); flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--lime); color: var(--green-950); font-weight: 900; font-size: 0.85rem;
}
.how b { color: var(--ink); }

.orderbar {
  position: fixed; inset: auto 0 0; z-index: 45; background: var(--green-950); color: #fff;
  padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); box-shadow: 0 -12px 30px -12px rgba(0,0,0,.4);
  animation: barIn .3s cubic-bezier(.2,.8,.2,1);
}
.orderbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.orderbar-sum { display: flex; flex-direction: column; line-height: 1.3; font-size: 0.88rem; color: #c8d5ca; }
.orderbar-sum b { color: #fff; }
.orderbar-total { font-size: 1.25rem; font-weight: 900; color: var(--lime) !important; font-variant-numeric: tabular-nums; }
.has-order .wa-float { display: none; }
.has-order .footer { padding-bottom: 110px; }
@keyframes barIn { from { transform: translateY(100%); } to { transform: none; } }


/* Tech */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; margin-bottom: clamp(48px, 7vw, 88px); }
.feature img { border-radius: var(--radius); aspect-ratio: 16/11; object-fit: cover; width: 100%; }
.feature-rev img { order: 2; }
.feature h3 { font-size: 1.6rem; font-weight: 900; color: #fff; }
.feature p { color: #c2cfc5; }
.feature strong { color: var(--lime); font-weight: 700; }
.certs { margin-top: 40px; background: #fff; border-radius: var(--radius); padding: 22px 26px; display: flex; align-items: center; gap: 24px; }
.certs p { margin: 0; color: var(--green-900); font-weight: 900; flex: none; }
.certs img { flex: 1; min-width: 0; max-height: 64px; object-fit: contain; mix-blend-mode: multiply; }




/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.contact h2 { color: #fff; }
.contact-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.contact-cards { display: grid; gap: 18px; }
.card-dark { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 26px 28px; }
.card-dark h4 { color: var(--lime); }
.card-dark dl { display: grid; grid-template-columns: 110px 1fr; gap: 8px 16px; margin: 0; font-size: 0.93rem; }
.card-dark dt { color: #8fa294; }
.card-dark dd { margin: 0; color: #e8eee6; word-break: break-word; }

/* Footer */
.footer { background: #0a1c11; color: #8fa294; padding: 34px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-logo { color: #fff; }
.footer-logo .logo-mark { width: 28px; height: 28px; }
.footer-logo .logo-type { width: 92px; height: 18px; }
.footer-note, .footer-copy { margin: 4px 0 0; font-size: 0.82rem; }

/* WhatsApp float */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px -8px rgba(0,0,0,.4);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* Modal */
.modal {
  width: min(920px, calc(100% - 24px)); max-height: calc(100vh - 40px); border: 0; border-radius: 22px; padding: 0;
  color: var(--ink); box-shadow: 0 40px 80px -30px rgba(0,0,0,.5);
}
.modal::backdrop { background: rgba(10, 25, 15, .6); }
.modal[open] { animation: modalIn .3s cubic-bezier(.2,.8,.2,1); }
@keyframes modalIn { from { opacity: 0; transform: translateY(24px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-close {
  position: sticky; top: 12px; display: block; margin: 12px 12px -52px auto; z-index: 2; width: 40px; height: 40px; border-radius: 50%;
  border: 0; background: var(--cream); font-size: 1.6rem; line-height: 1; cursor: pointer; color: var(--ink);
}
.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.pd-media { background: #faf8f4; padding: 24px; }
.pd-main { aspect-ratio: 767/740; background: #fff; border-radius: 14px; overflow: hidden; }
.pd-main img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.pd-thumbs button { width: 62px; height: 62px; padding: 0; border-radius: 10px; overflow: hidden; border: 2px solid transparent; cursor: pointer; background: #fff; }
.pd-thumbs button[aria-current="true"] { border-color: var(--green-700); }
.pd-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd-info { padding: 34px 32px; }
.pd-info h3 { font-size: 1.7rem; font-weight: 900; }
.pd-info ul { padding-left: 18px; margin: 14px 0 20px; color: var(--muted); }
.pd-info li { margin-bottom: 6px; }
.pd-serving { font-size: 0.88rem; color: var(--muted); margin: -6px 0 6px; }
.pd-serving b { font-size: 0.72rem; font-weight: 700; color: var(--green-500); letter-spacing: .08em; text-transform: uppercase; margin-right: 6px; }
.pd-buy { padding: 14px 0 18px; margin-bottom: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pd-buy .price { margin-top: 4px; }
.qty { display: inline-flex; align-items: stretch; border: 1.5px solid var(--sand); border-radius: 10px; overflow: hidden; background: #fff; }
.qty button { font: inherit; font-size: 1.15rem; width: 44px; min-height: 42px; border: 0; background: var(--cream); color: var(--ink); cursor: pointer; }
.qty button:hover { background: var(--sand); }
.qty button:focus-visible { outline: 3px solid var(--lime-dark); outline-offset: -3px; }
.pd-note { font-size: 0.82rem; color: var(--muted); margin: 10px 0 0; text-align: center; }
.pd-alt { font-size: 0.85rem; color: var(--muted); margin: 14px 0 0; text-align: center; }
.pd-alt a { color: #d8401f; font-weight: 700; text-decoration: none; }
.pd-alt a:hover { text-decoration: underline; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .burger { display: block; }
  .nav-links {
    position: fixed; inset: 72px 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; color: var(--ink); padding: 10px 16px 20px; box-shadow: 0 20px 30px -20px rgba(0,0,0,.3);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  }
  .nav-links a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 14px; }
  .nav.open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav.open { background: #fff; color: var(--ink); }
  .nav.open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .burger span:nth-child(2) { opacity: 0; }
  .nav.open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); }
  .split, .feature, .contact, .pd { grid-template-columns: 1fr; }
  .feature-rev img { order: 0; }
  .split-float { right: 8px; }
  .values { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .orderbar .btn { padding: 12px 18px; font-size: 0.88rem; }
  .how { grid-template-columns: 1fr; }
  .certs { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .card-body { padding: 10px 12px 14px; }
  .card-name { font-size: 0.9rem; }
  .pd-info { padding: 24px 20px; }
  .card-dark dl { grid-template-columns: 1fr; gap: 2px; }
  .card-dark dd { margin-bottom: 10px; }
}