@import url('https://fonts.googleapis.com/css2?family=Italiana&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-spa-dark: #0a1012;
  --card-spa: #121a1d;
  --cyan-mist: #20808d;
  --cyan-light: #48b0be;
  --text-pure: #f2f7f8;
  --text-muted: #85969a;
  --border-spa: rgba(32, 128, 141, 0.28);
  --font-serif: 'Italiana', serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-spa-dark); color: var(--text-pure); font-family: var(--font-sans); line-height: 1.65; overflow-x: hidden; padding-bottom: 70px; }

.simple-switcher { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 9999; background: rgba(10, 16, 18, 0.96); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 9999px; padding: 6px 12px; display: flex; align-items: center; gap: 6px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6); max-width: 94vw; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.simple-switcher::-webkit-scrollbar { display: none; }
.simple-switcher span { font-size: 0.7rem; color: #999; text-transform: uppercase; letter-spacing: 0.08em; padding: 0 4px; font-weight: 700; white-space: nowrap; }
.simple-switcher a { font-size: 0.75rem; color: #bbb; text-decoration: none; padding: 5px 10px; border-radius: 9999px; transition: var(--transition); white-space: nowrap; }
.simple-switcher a:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }
.simple-switcher a.active { background: var(--cyan-mist); color: #fff; font-weight: 700; }

.spa-nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 6vw; border-bottom: 1px solid var(--border-spa); position: sticky; top: 0; background: rgba(10, 16, 18, 0.94); backdrop-filter: blur(12px); z-index: 100; }
.spa-logo { font-family: var(--font-serif); font-size: clamp(1.2rem, 3vw, 1.5rem); letter-spacing: 0.12em; color: #fff; text-decoration: none; font-weight: 600; }
.spa-menu { display: flex; gap: 30px; list-style: none; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; }
.spa-menu a { color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.spa-menu a:hover { color: var(--cyan-light); }

.btn-cyan-mist { background: var(--cyan-mist); color: #fff; font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; padding: 12px 24px; border-radius: 9999px; text-decoration: none; border: none; cursor: pointer; transition: var(--transition); text-align: center; display: inline-block; }
.btn-cyan-mist:hover { background: var(--cyan-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(32, 128, 141, 0.4); }
.btn-circuit-link { color: #fff; font-size: 0.84rem; text-decoration: none; padding: 12px 20px; border: 1px solid var(--border-spa); border-radius: 9999px; }

.spa-hero { max-width: 1360px; margin: 0 auto; padding: 60px 6vw 80px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.spa-whisper-tag { font-size: 0.76rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan-light); font-weight: 700; display: block; margin-bottom: 16px; }
.spa-hero-left h1 { font-family: var(--font-serif); font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.15; margin-bottom: 22px; font-weight: 400; }
.spa-hero-left h1 em { font-style: italic; color: var(--cyan-light); }
.spa-hero-left p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 32px; max-width: 520px; }
.spa-hero-ctas { display: flex; gap: 16px; align-items: center; }
.mist-frame { border-radius: 12px; overflow: hidden; border: 1px solid var(--border-spa); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7); }
.mist-frame img { width: 100%; height: auto; display: block; }

.circuit-flow-section { border-top: 1px solid var(--border-spa); border-bottom: 1px solid var(--border-spa); background: #0f1619; padding: 80px 6vw; }
.circuit-head { text-align: center; margin-bottom: 40px; }
.circuit-head span { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan-light); font-weight: 700; }
.circuit-head h2 { font-family: var(--font-serif); font-size: 2.3rem; margin-top: 6px; }
.circuit-steps-row { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.circuit-step { background: var(--card-spa); border: 1px solid var(--border-spa); border-radius: 10px; padding: 32px 24px; text-align: center; }
.step-temp { font-family: var(--font-serif); font-size: 2.4rem; font-weight: 700; margin-bottom: 8px; }
.step-temp.hot { color: #f97316; }
.step-temp.cold { color: #38bdf8; }
.step-temp.warm { color: var(--cyan-light); }
.step-duration { font-size: 0.72rem; letter-spacing: 0.16em; color: var(--text-muted); font-weight: 700; display: block; margin-bottom: 12px; }
.circuit-step h4 { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 8px; }
.circuit-step p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.55; }

.pass-booking-section { padding: 80px 6vw; max-width: 1100px; margin: 0 auto; }
.pass-booking-bar { background: var(--card-spa); border: 1px solid var(--cyan-mist); border-radius: 12px; padding: 30px; display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 20px; align-items: end; }
.pass-field label { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; color: var(--cyan-light); display: block; margin-bottom: 8px; }
.pass-field input, .pass-field select { width: 100%; background: rgba(0, 0, 0, 0.4); border: 1px solid var(--border-spa); color: #fff; padding: 12px 14px; border-radius: 6px; font-size: 0.88rem; outline: none; }
.btn-pass { height: 46px; white-space: nowrap; }

.spa-footer { border-top: 1px solid var(--border-spa); padding: 50px 6vw; text-align: center; font-size: 0.8rem; color: var(--text-muted); }
.spa-footer-title { font-family: var(--font-serif); font-size: 1.2rem; letter-spacing: 0.14em; color: var(--cyan-light); margin-bottom: 6px; }

@media (max-width: 900px) {
  .spa-menu { display: none; }
  .spa-hero { grid-template-columns: 1fr; }
  .circuit-steps-row { grid-template-columns: 1fr; }
  .pass-booking-bar { grid-template-columns: 1fr; }
}