:root {
  --bg: #f4f1ea;
  --bg-2: #ece7dc;
  --ink: #1c1915;
  --muted: #6b645a;
  --line: rgba(28, 25, 21, 0.1);
  --card: rgba(255, 252, 247, 0.86);
  --accent: #c43b2c;
  --navy: #1e2450;
  --shadow: 0 18px 50px rgba(28, 25, 21, 0.08);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14131a;
    --bg-2: #1c1b24;
    --ink: #f4efe6;
    --muted: #b3aa9e;
    --line: rgba(244, 239, 230, 0.12);
    --card: rgba(28, 27, 36, 0.82);
    --accent: #ff8a6a;
    --navy: #c9d2ff;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(255, 138, 90, 0.18), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, rgba(90, 120, 255, 0.16), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 70%);
  font-family: "PingFang SC", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: auto 0 0;
  height: 28vh;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 10% 120%, rgba(255, 122, 60, 0.18), transparent 50%),
    radial-gradient(90% 80% at 90% 130%, rgba(74, 163, 255, 0.16), transparent 46%);
  z-index: 0;
}

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

.wrap {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 8px;
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  letter-spacing: 0.08em;
}
.brand strong {
  font-family: "Songti SC", "Source Han Serif SC", "Noto Serif SC", serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.brand span {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.22em;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }
.lang {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  font: inherit;
  cursor: pointer;
}

.hero { padding: 72px 0 28px; }
.eyebrow {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
h1 {
  font-family: "Songti SC", "Source Han Serif SC", "Noto Serif SC", serif;
  font-size: clamp(36px, 7vw, 64px);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.15;
  margin: 0 0 18px;
}
.lede {
  max-width: 34em;
  font-size: 18px;
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  padding: 18px 0 36px;
}
.card {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
}
h2 {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
  font-weight: 600;
}
.about p, .contact p {
  margin: 0;
  color: var(--muted);
}
.products {
  padding: 0 0 64px;
}
.products > h2 { margin-bottom: 12px; }
.product-row {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 420px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}
.product-row img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  flex: none;
}
.product-row h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 2px;
  letter-spacing: 0.04em;
}
.product-row p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.about h3, .contact h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: 0.04em;
}
.mail {
  display: inline-block;
  margin-top: 16px;
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.legal-name { font-size: 15px; color: var(--ink); }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0 40px 0;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}
.footer a { color: var(--muted); }
.inner-page {
  padding: 40px 0 80px;
  max-width: 720px;
}
.inner-page h1 {
  letter-spacing: -0.03em;
  font-family: inherit;
  font-size: 32px;
}
.meta { color: var(--muted); margin-bottom: 28px; }
.inner-page h2 {
  text-transform: none;
  letter-spacing: 0;
  font-size: 18px;
  color: var(--ink);
  margin: 28px 0 8px;
}
.inner-page p, .inner-page li { color: var(--muted); }
.inner-page ul { list-style: disc; padding-left: 1.2em; }
.inner-page li { padding: 4px 0; }
.inner-page li::before { content: none; }

@media (max-width: 800px) {
  .grid, .footer, .nav { display: block; }
  .nav-links { margin-top: 14px; flex-wrap: wrap; }
  .contact { margin-top: 18px; }
  .footer div + div { margin-top: 10px; }
  .hero { padding-top: 40px; }
}