/* ============ Tokens ============ */
:root {
  --bg: #ffffff;
  --bg-soft: #f5f6fb;
  --bg-card: #ffffff;
  --surface: #ffffff;
  --surface-2: #f0f1f8;
  --border: rgba(18, 18, 42, 0.1);
  --text: #14142a;
  --text-dim: #5d5d78;
  --accent: #6a4cff;
  --accent-2: #11b89c;
  --grad: linear-gradient(135deg, #6a4cff 0%, #11b89c 100%);
  --shadow: 0 1px 2px rgba(18, 18, 42, 0.04), 0 8px 24px rgba(18, 18, 42, 0.06);
  --shadow-hover: 0 4px 12px rgba(18, 18, 42, 0.08), 0 16px 40px rgba(106, 76, 255, 0.12);
  --radius: 16px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; }

a { color: inherit; text-decoration: none; }

.container { width: min(1140px, 92%); margin: 0 auto; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.section-sub { color: var(--text-dim); max-width: 540px; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-body);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad);
  color: #ffffff;
}
.btn-primary:hover { box-shadow: 0 8px 30px rgba(106, 76, 255, 0.35); }

.btn-ghost {
  border-color: var(--border);
  background: #ffffff;
  color: var(--text);
}
.btn-ghost:hover { background: var(--bg-soft); border-color: rgba(106, 76, 255, 0.4); }

.btn-lg { padding: 0.9rem 1.8rem; font-size: 1.05rem; }
.btn-small { padding: 0.5rem 1.1rem; font-size: 0.85rem; }

/* ============ Nav ============ */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid var(--border);
}

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

.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.brand-accent { color: var(--accent-2); }

.nav-links { display: flex; align-items: center; gap: 1.8rem; }
.nav-links a:not(.btn) {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.15s ease;
}
.nav-links a:not(.btn):hover { color: var(--text); }

.nav-lang {
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.8rem !important;
  line-height: 1;
}
.nav-lang:hover { border-color: rgba(106, 76, 255, 0.5); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
  pointer-events: none;
}
.hero-glow-1 {
  width: 480px; height: 480px;
  background: #6a4cff;
  top: -160px; left: -120px;
}
.hero-glow-2 {
  width: 420px; height: 420px;
  background: #11b89c;
  bottom: -180px; right: -100px;
}

.hero-inner { position: relative; }

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2.4rem;
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3.5rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { font-size: 0.85rem; color: var(--text-dim); }

/* ============ Thumbnails ============ */
.thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  isolation: isolate;
}
.thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(255,255,255,0.16), transparent 55%);
}

.thumb-featured { background: linear-gradient(135deg, #2b2350 0%, #0e3f3a 100%); }
.thumb-1 { background: linear-gradient(135deg, #33285e 0%, #14325c 100%); }
.thumb-2 { background: linear-gradient(135deg, #0f4a42 0%, #25255c 100%); }
.thumb-3 { background: linear-gradient(135deg, #46245c 0%, #1d3a63 100%); }
.thumb-4 { background: linear-gradient(135deg, #1c3f63 0%, #0f4a42 100%); }
.thumb-5 { background: linear-gradient(135deg, #51284a 0%, #232560 100%); }
.thumb-6 { background: linear-gradient(135deg, #163d58 0%, #3a2560 100%); }

.thumb-ep {
  position: absolute;
  top: 14px;
  left: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.35);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.ep-length {
  position: absolute;
  bottom: 12px;
  right: 14px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.55);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}

.play-btn {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: #0a0a14;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
}
.play-btn svg { width: 30px; height: 30px; margin-left: 3px; }
.play-sm { width: 50px; height: 50px; }
.play-sm svg { width: 22px; height: 22px; }
.thumb:hover .play-btn { transform: scale(1.1); background: #fff; }

/* ============ Featured ============ */
.featured { margin-top: 1rem; }

.featured-card {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.8rem;
}

.featured-info h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin-bottom: 1rem;
}
.featured-desc { color: var(--text-dim); margin-bottom: 1.2rem; }
.featured-meta {
  display: flex;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.6rem;
}
.featured-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* Coming-soon / premiere card */
.coming-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
}
.coming-badge {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(10, 10, 20, 0.35);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.featured-info h2[lang="zh"] {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.3;
}

/* ============ Episodes ============ */
.episodes { padding: 6rem 0 2rem; }

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
.section-head-center {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
}

.link-more {
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.95rem;
}
.link-more:hover { text-decoration: underline; }

.ep-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.ep-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.ep-card:hover { transform: translateY(-4px); border-color: rgba(106, 76, 255, 0.4); box-shadow: var(--shadow-hover); }
.ep-card .thumb { border-radius: 0; }

.ep-body { padding: 1.3rem 1.4rem 1.6rem; }
.ep-meta {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
}
.ep-body h3 { font-size: 1.12rem; margin-bottom: 0.5rem; }
.ep-body h3 a:hover { color: var(--accent-2); }
.ep-body p:not(.ep-meta) { font-size: 0.92rem; color: var(--text-dim); }

/* ============ Format ============ */
.format {
  padding: 6rem 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 5rem;
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-top: 3rem;
}

.format-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.2rem 2rem;
  box-shadow: var(--shadow);
}
.format-icon { font-size: 2rem; margin-bottom: 1rem; }
.format-card h3 { font-size: 1.25rem; margin-bottom: 0.7rem; }
.format-card p { color: var(--text-dim); font-size: 0.95rem; }

/* ============ Host ============ */
.host { padding: 6rem 0; }

.host-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}

.host-photo {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-soft);
}
.host-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  box-shadow: inset 0 0 0 1px var(--border);
  pointer-events: none;
}
.host-photo img {
  display: block;
  width: 100%;
  height: auto;
}

.host-text h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 0.4rem;
}
.host-role {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.host-text p:not(.eyebrow):not(.host-role) {
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.host-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

/* ============ Guests / Judges ============ */
.guests { padding: 6rem 0; }

.judge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 2.2rem 1rem;
  margin-top: 3rem;
}
.judge {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.judge img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: var(--shadow);
  margin-bottom: 0.8rem;
}
.judge figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.judge-name { font-weight: 600; font-size: 0.95rem; line-height: 1.25; }
.judge-title { font-size: 0.8rem; color: var(--text-dim); line-height: 1.35; }

/* ============ Partners ============ */
.partners {
  padding: 6rem 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}
.partner-group { margin-top: 3rem; }
.partner-group-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.6rem;
}
.logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  min-width: 132px;
  padding: 0.8rem 1.4rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.logo:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.logo img {
  max-height: 38px;
  max-width: 150px;
  width: auto;
  object-fit: contain;
}

.guest-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  text-align: center;
}
.guest {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.guest em { color: var(--text-dim); font-style: normal; font-weight: 400; font-size: 0.82rem; }

.avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.95);
  border: 2px solid #ffffff;
  box-shadow: var(--shadow);
}
.av-1 { background: linear-gradient(135deg, #5b4bd4, #313178); }
.av-2 { background: linear-gradient(135deg, #15897a, #1d4060); }
.av-3 { background: linear-gradient(135deg, #8a3f8a, #4a2a78); }
.av-4 { background: linear-gradient(135deg, #2a6fb0, #1c8f7c); }
.av-5 { background: linear-gradient(135deg, #b0563a, #6a2a60); }

/* ============ Subscribe ============ */
.subscribe {
  padding: 6rem 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(106, 76, 255, 0.1), transparent 60%),
    var(--bg-soft);
  border-top: 1px solid var(--border);
}

.subscribe-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.subscribe h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); margin-bottom: 0.8rem; }

.platforms {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: 2.4rem 0;
}
.platform {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: var(--shadow);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.platform:hover {
  background: var(--bg-soft);
  border-color: rgba(106, 76, 255, 0.5);
  transform: translateY(-2px);
}
.platform svg { width: 20px; height: 20px; }

.newsletter {
  display: flex;
  gap: 0.7rem;
  width: min(520px, 100%);
  margin-top: 0.5rem;
}
.newsletter input {
  flex: 1;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease;
}
.newsletter input:focus { border-color: var(--accent); }
.newsletter input::placeholder { color: var(--text-dim); }

.newsletter-note { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.9rem; }

/* ============ Footer ============ */
.footer { padding: 3.5rem 0; }

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  text-align: center;
}
.footer-brand p { color: var(--text-dim); font-size: 0.9rem; margin-top: 0.3rem; }
.footer-links { display: flex; gap: 1.8rem; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: var(--text-dim); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text-dim); font-size: 0.8rem; }

/* ============ Reveal animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .ep-grid, .format-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1fr; }
  .host-inner { grid-template-columns: 1fr; gap: 2rem; }
  .host-photo { max-width: 420px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.open { max-height: 360px; }
  .nav-links a { padding: 1rem; }
  .nav-links .btn { margin: 0.8rem auto 1.2rem; }

  .hero { padding: 4.5rem 0 3.5rem; }
  .hero-stats { gap: 2rem; }

  .ep-grid, .format-grid { grid-template-columns: 1fr; }

  .newsletter { flex-direction: column; }
  .newsletter .btn { justify-content: center; }
}