:root {
  --ink: #2B2A27;
  --ink-soft: #5B5851;
  --cream: #FBF5EA;
  --paper: #FFFDF8;
  --tint: #F5EBD9;
  --butter: #F8DB8E;
  --apricot: #F6B77A;
  --coral: #EE7B5E;
  --sage: #BFD3B0;
  --radius: 28px;
  --wrap: 1080px;
  --font-en: "Nunito", "Quicksand", "SF Pro Rounded", ui-rounded, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-zh: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-en), var(--font-zh);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
html[data-lang="zh"] body { font-family: var(--font-zh), var(--font-en); }

/* ---- language switching (no-JS default shows Chinese) ---- */
html[data-lang="zh"] .en { display: none !important; }
html[data-lang="en"] .zh { display: none !important; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 14px max(16px, calc((100% - var(--wrap)) / 2));
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: blur(12px);
}
.nav__brand img { height: 22px; width: auto; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { text-decoration: none; font-weight: 700; font-size: 15px; color: var(--ink-soft); }
.nav__links a:hover { color: var(--ink); }
.lang {
  font: inherit; font-weight: 800; font-size: 14px; color: var(--ink);
  background: var(--butter); border: 0; border-radius: 999px;
  padding: 6px 16px; cursor: pointer;
}
.lang:hover { background: var(--apricot); }
.lang:focus-visible, .btn:focus-visible, a:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }

/* ---- hero ---- */
.hero { position: relative; overflow: hidden; padding: clamp(72px, 14vw, 160px) 0 clamp(88px, 14vw, 170px); }
.hero__inner { position: relative; text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero__logo { margin: 12px 0 28px; width: min(720px, 100%); }
.hero__tag { margin: 0 0 36px; font-size: clamp(20px, 3vw, 30px); font-weight: 700; line-height: 1.4; }
.hero__tag .sub { display: block; margin-top: 6px; font-size: .62em; font-weight: 500; color: var(--ink-soft); }
html[data-lang="en"] .hero__tag .sub { display: none; }

.blob { position: absolute; border-radius: 50%; z-index: 0; animation: float 9s ease-in-out infinite; }
.blob--a { width: clamp(180px, 28vw, 340px); aspect-ratio: 1; background: var(--butter); left: -6%; top: 6%; }
.blob--b { width: clamp(120px, 18vw, 220px); aspect-ratio: 1; background: var(--apricot); right: 6%; top: 10%; animation-delay: -3s; }
.blob--c { width: clamp(90px, 13vw, 160px); aspect-ratio: 1; background: transparent; border: clamp(18px, 3vw, 30px) solid var(--coral); right: -2%; bottom: 4%; animation-delay: -6s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@media (prefers-reduced-motion: reduce) { .blob { animation: none; } html { scroll-behavior: auto; } }

.eyebrow { margin: 0 0 8px; font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--coral); }
.btn {
  display: inline-block; text-decoration: none; font-weight: 800;
  background: var(--ink); color: var(--cream);
  padding: 14px 32px; border-radius: 999px; transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); background: #000; }

/* ---- sections ---- */
.section { padding: clamp(64px, 10vw, 120px) 0; }
.section--tint { background: var(--tint); }
h2 { margin: 0 0 20px; font-size: clamp(30px, 5vw, 48px); line-height: 1.2; letter-spacing: -.01em; text-wrap: balance; }
h3 { margin: 0 0 8px; font-size: 22px; line-height: 1.3; }
.grid-2 { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(24px, 6vw, 80px); align-items: start; }
.prose p { margin: 0 0 1em; }
.lead { max-width: 640px; margin: 0 0 40px; color: var(--ink-soft); }

.cards { display: grid; gap: 20px; margin-top: 56px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { border-radius: var(--radius); padding: 32px 28px 36px; }
.card p { margin: 0; color: var(--ink); opacity: .82; }
.card--butter { background: var(--butter); }
.card--apricot { background: var(--apricot); }
.card--sage { background: var(--sage); }
.dot { display: block; width: 36px; height: 36px; border-radius: 50%; border: 8px solid var(--ink); margin-bottom: 20px; }

.products { margin-top: 0; }
.product { background: var(--paper); border-radius: var(--radius); padding: 20px 20px 32px; }
.product__art {
  aspect-ratio: 4 / 3; border-radius: 20px; margin-bottom: 20px;
  display: grid; place-items: center; background: var(--cream);
}
.product__art svg { height: 86%; width: auto; }
.product p { margin: 0; color: var(--ink-soft); }
.tag {
  display: inline-block; margin-bottom: 10px; padding: 2px 12px; border-radius: 999px;
  background: var(--tint); font-size: 13px; font-weight: 800; color: var(--ink-soft);
}
.tag--now { background: var(--coral); color: #fff; }
.note { margin: 28px 0 0; font-size: 14px; color: var(--ink-soft); }

/* ---- about ---- */
.facts { margin: 32px 0 0; display: grid; gap: 0; }
.facts div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 0; border-top: 2px solid var(--tint); }
.facts div:last-child { border-bottom: 2px solid var(--tint); }
.facts dt { font-weight: 800; color: var(--ink-soft); }
.facts dd { margin: 0; font-weight: 700; }
.facts a { text-decoration-color: var(--coral); text-underline-offset: 4px; }

/* ---- footer ---- */
.footer { background: var(--ink); color: var(--cream); padding: 56px 0 48px; }
.footer__logo { height: 24px; width: auto; filter: invert(1) brightness(1.1); margin-bottom: 24px; }
.footer__line { margin: 0 0 6px; font-size: 14px; opacity: .78; }
.footer__line a { text-underline-offset: 3px; }

/* ---- responsive ---- */
@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
  .cards--3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav__links { display: none; }
  .lang { margin-left: auto; }
  .facts div { grid-template-columns: 72px 1fr; }
}