/* Tai Chi: Circle of Balance — marketing / SEO pages */
:root {
  --gold: #d4af37;
  --gold-soft: #e8c96a;
  --paper: #efe9db;
  --ink: #14141e;
  --void: #0b0d14;
  --void-2: #12151f;
  --muted: rgba(239, 233, 219, 0.62);
  --border: rgba(212, 175, 55, 0.28);
  --panel: rgba(20, 20, 30, 0.82);
  --font-display: "Cinzel", "Songti SC", "SimSun", Georgia, serif;
  --font-body: "Source Sans 3", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--paper);
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(212, 175, 55, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(212, 175, 55, 0.06), transparent 50%),
    linear-gradient(180deg, var(--void) 0%, var(--void-2) 100%);
  line-height: 1.65;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--gold-soft);
  text-decoration: none;
}

a:hover {
  color: var(--gold);
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(11, 13, 20, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.brand:hover {
  text-decoration: none;
  color: var(--gold-soft);
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
  font-size: 0.92rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--gold);
}

.lang-switch {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--paper);
  font-size: 0.85rem;
}

.lang-switch:hover {
  text-decoration: none;
  border-color: var(--gold);
  color: var(--gold);
}

.hero {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 4vw, 2.5rem) 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-copy h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, #f3e2a8 0%, var(--gold) 55%, #9a7a22 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  max-width: 36em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 10px;
  background: var(--gold);
  color: var(--ink);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  text-decoration: none;
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(212, 175, 55, 0.5);
}

.btn-ghost {
  display: inline-flex;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--paper);
  text-decoration: none;
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  text-decoration: none;
}

.hero-visual {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem);
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  color: var(--gold-soft);
  letter-spacing: 0.04em;
}

.section h3 {
  margin: 1.75rem 0 0.6rem;
  font-size: 1.15rem;
  color: var(--paper);
}

.section p,
.section li {
  color: rgba(239, 233, 219, 0.88);
}

.section ul {
  padding-left: 1.2rem;
}

.features {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 700px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold);
}

.feature p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.char-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  margin-top: 1.5rem;
}

.char-card {
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.char-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold-soft);
}

.char-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.char-showcase {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0.5rem;
}

@media (min-width: 640px) {
  .char-showcase {
    grid-template-columns: 1fr 1fr;
  }
}

.char-showcase figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
}

.char-showcase img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.char-showcase figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.faq details {
  margin: 0.75rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--gold-soft);
}

.faq details p {
  margin: 0.75rem 0 0;
}

.site-footer {
  margin-top: 3rem;
  padding: 2rem clamp(1rem, 4vw, 2.5rem);
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
}

.page-hero {
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem) 0;
  max-width: 960px;
  margin: 0 auto;
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--gold-soft);
  letter-spacing: 0.04em;
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 40em;
}

.legal p {
  font-size: 0.98rem;
}