/* ============================================================
   luna.css — Luna Yoga Music 專屬樣式
   適用於所有 5 個語言版本的 Luna 頁面
   ============================================================ */

/* ─── CSS 變數（含 Luna 深色主題） ─── */
:root {
  --rose:    #C9666E;
  --rose-lt: #F2C4C7;
  --peach:   #F5E6E0;
  --cream:   #FDF8F5;
  --warm:    #8B5C5C;
  --text:    #3A2828;
  --muted:   #7A6060;
  --card-bg: #FFFFFF;
  --shadow:  0 4px 24px rgba(180,100,100,.10);
  --radius:  16px;

  /* Luna dark palette */
  --luna-deep:   #0d1117;
  --luna-navy:   #1a1a2e;
  --luna-mid:    #16213e;
  --luna-blue:   #0f3460;
  --luna-accent: #93c5fd;
  --luna-soft:   #bfdbfe;
  --luna-text:   #e2f0ff;
  --luna-muted:  #a8c8e8;
  --luna-teal:   #2D7A5E;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── BODY ─── */
body { font-family: 'Noto Sans TC', sans-serif; background: var(--cream); color: var(--text); line-height: 1.7; }

/* ─── NAV ─── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,17,23,.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(147,197,253,.15);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
}
.nav-left  { display: flex; align-items: center; gap: 16px; }
.nav-logo  { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1rem; color: var(--rose-lt); text-decoration: none; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: rgba(255,255,255,.55); text-decoration: none; font-size: .88rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--luna-accent); }
.nav-links a.active { color: var(--luna-accent); }

/* ─── LANG DROPDOWN ─── */
.lang-menu { position: relative; }
.lang-current { background: none; border: 1px solid rgba(147,197,253,.3); color: rgba(255,255,255,.6); padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: .8rem; font-family: inherit; }
.lang-list { display: none; position: absolute; top: calc(100% + 8px); left: 0; background: var(--luna-navy); border: 1px solid rgba(147,197,253,.2); border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,.4); list-style: none; padding: 6px; min-width: 110px; }
.lang-menu.open .lang-list { display: block; }
.lang-list li a { display: block; padding: 7px 12px; border-radius: 7px; font-size: .85rem; color: var(--luna-text); text-decoration: none; }
.lang-list li a:hover { background: rgba(147,197,253,.1); }

/* ─── HERO ─── */
.hero {
  background: linear-gradient(160deg, var(--luna-deep) 0%, var(--luna-navy) 40%, var(--luna-blue) 100%);
  min-height: 88vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 80px 24px 72px; position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 40%, rgba(59,130,246,.18) 0%, transparent 70%);
  pointer-events: none;
}
.stars {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 15%, rgba(255,255,255,.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 25%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 60%, rgba(255,255,255,.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 70%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 40%, rgba(255,255,255,.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 55%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(2px 2px at 45% 20%, rgba(147,197,253,.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 85%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 10%, rgba(255,255,255,.6) 0%, transparent 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(147,197,253,.12); border: 1px solid rgba(147,197,253,.25);
  color: var(--luna-accent); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; padding: 6px 18px; border-radius: 999px; margin-bottom: 28px;
}
.hero-logo { font-size: 4rem; margin-bottom: 16px; line-height: 1; }
.hero h1 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 20px;
}
.hero h1 span { color: var(--luna-accent); }
.hero-desc { color: var(--luna-muted); font-size: clamp(.9rem, 2vw, 1.05rem); line-height: 1.9; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: #fff; font-size: .95rem; font-weight: 700;
  padding: 14px 32px; border-radius: 999px; text-decoration: none;
  box-shadow: 0 4px 24px rgba(59,130,246,.45);
  transition: transform .2s, box-shadow .2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(59,130,246,.6); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2);
  color: var(--luna-text); font-size: .95rem; font-weight: 500;
  padding: 14px 28px; border-radius: 999px; text-decoration: none;
  transition: background .2s, border-color .2s;
}
.btn-secondary:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.4); }
.hero-stats { display: flex; gap: 32px; justify-content: center; margin-top: 52px; }
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 1.6rem; font-weight: 700; color: var(--luna-accent); }
.hero-stat-label { font-size: .75rem; color: var(--luna-muted); margin-top: 2px; }

/* ─── SECTION SHARED ─── */
.section { max-width: 900px; margin: 0 auto; padding: 72px 24px; }
.section-label {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--luna-teal); margin-bottom: 12px;
}
.section > h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin-bottom: 12px;
}
.section > p { color: var(--muted); font-size: .95rem; margin-bottom: 40px; }

/* ─── ABOUT STRIP ─── */
.about-strip { background: var(--luna-navy); padding: 60px 24px; }
.about-inner {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
@media(max-width:640px) { .about-inner { grid-template-columns: 1fr; } }
.about-logo-wrap { text-align: center; }
.about-logo-circle {
  width: 140px; height: 140px; border-radius: 50%;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6, #06b6d4);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  margin: 0 auto 16px;
  box-shadow: 0 0 48px rgba(59,130,246,.4);
}
.about-logo-name { color: var(--luna-accent); font-weight: 700; font-size: 1.1rem; }
.about-logo-sub { color: var(--luna-muted); font-size: .82rem; margin-top: 4px; }
.about-text h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(1.3rem, 2.5vw, 1.7rem); color: #fff; margin-bottom: 16px;
}
.about-text h2 span { color: var(--luna-accent); }
.about-text p { color: var(--luna-muted); font-size: .9rem; line-height: 1.9; margin-bottom: 14px; }
.about-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.about-tag {
  background: rgba(147,197,253,.1); border: 1px solid rgba(147,197,253,.2);
  color: var(--luna-soft); font-size: .75rem; font-weight: 600;
  padding: 5px 14px; border-radius: 999px;
}

/* ─── PLAYLISTS ─── */
.playlists-bg { background: var(--cream); }
.playlist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.playlist-card {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.playlist-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(180,100,100,.15); }
.playlist-thumb {
  background: linear-gradient(135deg, var(--luna-navy), var(--luna-blue));
  position: relative; overflow: hidden; height: 170px;
}
.playlist-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .4s ease;
}
.playlist-card:hover .playlist-thumb img { transform: scale(1.04); }
.playlist-badge { position: absolute; bottom: 10px; left: 12px; }
.playlist-badge {
  display: inline-block; background: rgba(147,197,253,.15); border: 1px solid rgba(147,197,253,.25);
  color: var(--luna-accent); font-size: .65rem; font-weight: 700; letter-spacing: .08em;
  padding: 3px 10px; border-radius: 999px;
}
.playlist-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.playlist-title { font-weight: 700; font-size: .95rem; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.playlist-subtitle { font-size: .78rem; color: var(--muted); margin-bottom: 12px; }
.playlist-desc { font-size: .82rem; color: var(--muted); line-height: 1.7; flex: 1; margin-bottom: 18px; }
.playlist-love-tag {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--peach); color: var(--rose); font-size: .7rem; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 16px; width: fit-content;
}
.btn-playlist {
  display: block; text-align: center;
  background: linear-gradient(135deg, var(--luna-navy), var(--luna-blue));
  color: var(--luna-accent); font-size: .85rem; font-weight: 700;
  padding: 10px 20px; border-radius: 10px; text-decoration: none;
  transition: opacity .2s;
}
.btn-playlist:hover { opacity: .85; }

/* ─── EMBED SECTION ─── */
.embed-bg {
  background: linear-gradient(160deg, var(--luna-deep) 0%, var(--luna-navy) 100%);
  padding: 72px 24px;
}
.embed-inner { max-width: 860px; margin: 0 auto; text-align: center; }
.embed-inner .section-label { color: var(--luna-accent); }
.embed-inner h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(1.4rem, 3vw, 1.9rem); color: #fff; margin-bottom: 12px;
}
.embed-inner > p { color: var(--luna-muted); font-size: .9rem; margin-bottom: 36px; }
.embed-wrap {
  position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;
  border-radius: 16px; box-shadow: 0 0 60px rgba(59,130,246,.25);
}
.embed-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; border-radius: 16px; }

/* ─── LOVE LANGUAGE BRIDGE ─── */
.bridge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.bridge-card {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 24px 20px; box-shadow: var(--shadow);
  border-top: 3px solid transparent;
  transition: transform .2s;
}
.bridge-card:hover { transform: translateY(-3px); }
.bridge-card.words  { border-color: #F4A261; }
.bridge-card.time   { border-color: #E9C46A; }
.bridge-card.gifts  { border-color: #C9666E; }
.bridge-card.acts   { border-color: #2D7A5E; }
.bridge-card.touch  { border-color: #4A90D9; }
.bridge-icon { font-size: 2rem; margin-bottom: 10px; }
.bridge-lang { font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.bridge-title { font-weight: 700; font-size: .88rem; margin-bottom: 6px; }
.bridge-desc { font-size: .78rem; color: var(--muted); line-height: 1.6; }

/* ─── CTA STRIP ─── */
.cta-strip {
  background: linear-gradient(135deg, var(--luna-navy) 0%, var(--luna-blue) 100%);
  padding: 72px 24px; text-align: center;
}
.cta-strip h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem); color: #fff; margin-bottom: 14px;
}
.cta-strip h2 span { color: var(--luna-accent); }
.cta-strip p { color: var(--luna-muted); font-size: .95rem; margin-bottom: 36px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ─── FOOTER ─── */
footer {
  background: var(--luna-deep); border-top: 1px solid rgba(147,197,253,.1);
  text-align: center; padding: 32px 24px;
  color: rgba(255,255,255,.35); font-size: .8rem;
}
footer a { color: var(--luna-accent); text-decoration: none; }

/* ─── MOBILE ─── */
@media(max-width:600px) {
  .hero-stats { gap: 20px; }
  .nav-links { gap: 14px; }
}