:root {
  --red: #8b1e23;
  --red-dark: #5e1216;
  --red-deep: #3d0c0f;
  --gold: #c9a24b;
  --gold-light: #e8cf8a;
  --ink: #211714;
  --parchment: #faf3e6;
  --parchment-dark: #f0e4c9;
  --cream: #fffaf0;
  --shadow: rgba(61, 12, 15, 0.25);
  --serif: "Songti SC", "Noto Serif", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--parchment);
  line-height: 1.6;
}

h1, h2, h3, .wordmark { font-family: var(--serif); }

a { color: inherit; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--red-deep), var(--red));
  color: var(--gold-light);
  box-shadow: 0 2px 12px var(--shadow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.wordmark {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold-light);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.wordmark .cn { font-size: 1.1rem; opacity: 0.85; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: var(--gold-light);
  text-decoration: none;
  font-size: 0.95rem;
  opacity: 0.9;
  transition: opacity 0.15s ease;
}
.main-nav a:hover { opacity: 1; text-decoration: underline; }

.lang-switch {
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(circle at 20% 20%, var(--red) 0%, var(--red-dark) 55%, var(--red-deep) 100%);
  color: var(--cream);
  padding: 96px 0 120px;
  overflow: hidden;
  text-align: center;
}

.hero-motif {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin: 0 0 18px;
  color: var(--gold-light);
}

.hero .cn-title {
  display: block;
  font-size: 1.5em;
  color: var(--gold);
  margin-bottom: 14px;
  letter-spacing: 0.15em;
}

.hero-logo {
  display: block;
  max-width: 220px;
  width: 40%;
  height: auto;
  margin: 0 auto 20px;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.35));
}

.hero p.tagline {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--parchment-dark);
}

.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--red-deep);
  font-weight: 700;
  padding: 14px 34px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 8px 24px var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px var(--shadow); }

.divider {
  height: 28px;
  background: var(--parchment);
  clip-path: polygon(
    0% 100%, 0% 40%, 4% 60%, 8% 40%, 12% 60%, 16% 40%, 20% 60%,
    24% 40%, 28% 60%, 32% 40%, 36% 60%, 40% 40%, 44% 60%, 48% 40%,
    52% 60%, 56% 40%, 60% 60%, 64% 40%, 68% 60%, 72% 40%, 76% 60%,
    80% 40%, 84% 60%, 88% 40%, 92% 60%, 96% 40%, 100% 60%, 100% 100%
  );
  margin-top: -1px;
  position: relative;
  z-index: 1;
}

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-title {
  text-align: center;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--red);
  margin: 0 0 12px;
}
.section-sub {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
  color: #5b4a41;
}

.story { background: var(--cream); }
.story .grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.story blockquote {
  margin: 0;
  padding: 24px 28px;
  border-left: 4px solid var(--gold);
  background: var(--parchment-dark);
  font-family: var(--serif);
  font-style: italic;
  color: var(--red-dark);
}

/* ---------- Status strip ---------- */
.status-strip {
  background: var(--gold);
  color: var(--red-deep);
  text-align: center;
  padding: 18px 0;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.status-strip .dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--red-deep);
  margin: 0 10px;
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ---------- Portfolio ---------- */
.portfolio { background: var(--parchment); }

.portfolio-controls {
  max-width: 560px;
  margin: 0 auto 40px;
  display: flex;
  gap: 12px;
}
.portfolio-controls input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 999px;
  border: 2px solid var(--gold);
  background: var(--cream);
  font-size: 1rem;
  color: var(--ink);
}
.portfolio-controls input:focus {
  outline: none;
  border-color: var(--red);
}
.portfolio-count {
  text-align: center;
  margin: -24px 0 32px;
  color: #8a6f5c;
  font-size: 0.9rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
}

.card {
  background: var(--cream);
  border: 1px solid var(--parchment-dark);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(61,12,15,0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px var(--shadow);
}

.card .tld {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--red);
  font-size: 1.25rem;
  margin: 0 0 6px;
}

.card .han {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--red);
  font-size: 1.4rem;
  margin: 0 0 6px;
}

.card .meaning {
  font-size: 0.85rem;
  color: #7a5e4c;
  margin: 0 0 8px;
  font-style: italic;
}

.card .blurb {
  font-size: 0.88rem;
  color: var(--ink);
  margin: 0;
}

.card .tag {
  display: inline-block;
  margin-top: 8px;
  background: var(--parchment-dark);
  color: var(--red-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.card .puny {
  display: block;
  margin-top: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: #a08a72;
  word-break: break-all;
}

.card.hidden { display: none; }

.no-results {
  text-align: center;
  color: #8a6f5c;
  padding: 40px 0;
  display: none;
}
.no-results.show { display: block; }

/* ---------- Meet us ---------- */
.meet {
  background: var(--parchment-dark);
  text-align: center;
}
.meet-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.meet-form input,
.meet-form textarea {
  padding: 12px 16px;
  border-radius: 10px;
  border: 2px solid var(--gold);
  background: var(--cream);
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  resize: vertical;
}
.meet-form input:focus,
.meet-form textarea:focus {
  outline: none;
  border-color: var(--red);
}
.meet-form .btn {
  align-self: center;
  margin-top: 4px;
}

/* ---------- Why us ---------- */
.why { background: var(--cream); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.why-item {
  text-align: center;
  padding: 20px;
}
.why-item .icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  color: var(--red);
}
.why-item h3 {
  color: var(--red-dark);
  font-size: 1.1rem;
  margin: 0 0 8px;
}
.why-item p { font-size: 0.92rem; color: #5b4a41; margin: 0; }

/* ---------- Footer ---------- */
footer {
  background: var(--red-deep);
  color: var(--parchment-dark);
  padding: 48px 0 28px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 32px;
}
footer h4 {
  color: var(--gold-light);
  font-size: 0.95rem;
  margin: 0 0 12px;
}
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 8px; font-size: 0.88rem; }
footer a { text-decoration: none; opacity: 0.85; }
footer a:hover { opacity: 1; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(232, 207, 138, 0.2);
  padding-top: 20px;
  font-size: 0.8rem;
  opacity: 0.7;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .story .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: inline-block; }
  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--red-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }
  .main-nav.open { display: flex; }
  section { padding: 52px 0; }
  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .portfolio-controls { flex-direction: column; }
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}