/* XIHE xihesauna.com — shared design system (extracted from pre-launch preview) */
:root{
  --bg:#faf9f7; --ink:#1c1917; --muted:#78716c;
  --amber:#b45309; --amber-d:#92400e;
  --dark:#1c1917; --card:#ffffff; --line:#e7e5e4;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
img{max-width:100%}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,249,247,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:14px 20px;flex-wrap:wrap}
.logo{font-weight:800;font-size:22px;letter-spacing:.12em;color:var(--ink);text-decoration:none}
.logo small{display:block;font-size:10px;font-weight:500;letter-spacing:.18em;color:var(--muted)}
.nav-links{display:flex;gap:20px;flex-wrap:wrap;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--amber)}
.nav-links a.active{font-weight:700}
.nav-links a.nav-cta{background:var(--amber);color:#fff;padding:9px 18px;border-radius:8px;font-weight:600}
.nav-links a.nav-cta:hover{background:var(--amber-d);color:#fff}

/* ---------- layout ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section h2{font-size:32px;margin-bottom:10px}
.section .lede{color:var(--muted);font-size:17px;max-width:720px;margin-bottom:36px}
.dark{background:var(--dark);color:#f5f5f4}
.dark .lede{color:#a8a29e}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;min-height:520px;display:flex;align-items:center;background:#1c1917}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:80px 20px;width:100%}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.2em;font-weight:700;color:#fbbf24;margin-bottom:16px}
h1{font-size:44px;line-height:1.15;margin-bottom:18px;max-width:640px}
.hero p.sub{font-size:18px;max-width:560px;color:#e7e5e4;margin-bottom:28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.page-hero{position:relative;color:#fff;min-height:300px;display:flex;align-items:flex-end;background:#1c1917}
.page-hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.page-hero .wrap{position:relative;z-index:2;padding:60px 20px;width:100%}
.page-hero h1{font-size:38px;margin-bottom:8px}
.page-hero p{color:#e7e5e4;max-width:640px}
.hero-light{background:#fff;padding:64px 0;border-bottom:1px solid var(--line)}
.hero-light h1{color:var(--ink)}
.hero-light .sub{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:520px}

/* ---------- buttons / tags ---------- */
.btn{display:inline-block;background:var(--amber);color:#fff;padding:12px 26px;border-radius:8px;text-decoration:none;font-weight:600;font-size:15px;border:none;cursor:pointer}
.btn:hover{background:var(--amber-d)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.hero .btn-ghost{color:#fff;border-color:#fff}
.hero .btn-ghost:hover{background:#fff;color:var(--ink)}
.tag{display:inline-block;background:#fef3c7;color:#92400e;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:10px}

/* ---------- trust bar ---------- */
.trust{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:flex;flex-wrap:wrap;width:100%}
.trust-item{flex:1;min-width:200px;padding:22px 20px;border-left:1px solid var(--line);font-size:14px}
.trust-item:first-child{border-left:none}
.trust-item b{display:block;font-size:15px;margin-bottom:4px}
.trust-item span{color:var(--muted)}

/* ---------- cards / pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.pillar{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .15s;display:flex;flex-direction:column}
.pillar:hover{transform:translateY(-3px)}
.pillar img{width:100%;height:240px;object-fit:cover;display:block}
.pillar-body{padding:24px;display:flex;flex-direction:column;flex:1}
.pillar-body h3{font-size:21px;margin-bottom:8px}
.pillar-body p{color:var(--muted);font-size:15px;margin-bottom:14px;flex:1}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.card img{width:100%;height:180px;object-fit:cover;background:#fff}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h4{font-size:16px}
.card-body .tag{margin:0;align-self:flex-start}
.card-body .btn{margin-top:auto;padding:9px 16px;font-size:13px;text-align:center}
.card-body p{font-size:14px;color:var(--muted)}

/* ---------- scenario cards ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.sol-card{border-radius:14px;overflow:hidden;position:relative;min-height:300px;display:flex;align-items:flex-end;color:#fff;text-decoration:none}
.sol-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sol-card .shade{position:absolute;inset:0;background:linear-gradient(transparent 30%,rgba(0,0,0,.75))}
.sol-card h3{position:relative;z-index:2;padding:22px;font-size:20px}
.scenario{margin-bottom:56px}
.scenario:last-child{margin-bottom:0}

/* ---------- split / gallery / specs ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split img{width:100%;border-radius:14px}
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;margin-bottom:32px}
.gallery img{width:100%;height:220px;object-fit:cover;border-radius:10px;background:#fff}
.gallery img:first-child{grid-row:span 2;height:452px}
.specs{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;border-radius:12px;overflow:hidden}
.specs td,.specs th{padding:13px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:15px}
.specs tr:last-child td{border-bottom:none}
.specs th{width:220px;color:var(--muted);font-weight:600;background:#faf9f7}
.compare{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;border-radius:12px;overflow:hidden}
.compare th,.compare td{padding:13px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:15px;vertical-align:top}
.compare thead th{background:var(--dark);color:#fff;font-weight:700}
.compare tr:last-child td{border-bottom:none}
.bullets{margin:18px 0 28px 20px;color:var(--ink)}
.bullets li{margin-bottom:10px}
.fact{background:#fff;border-left:4px solid var(--amber);border-radius:0 10px 10px 0;padding:14px 18px;font-size:15px;margin:18px 0}
.note{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:14px 18px;font-size:14px;color:#92400e;margin:20px 0}

/* ---------- factory steps ---------- */
.timeline{display:flex;flex-direction:column}
.step{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.step-num{font-size:13px;font-weight:800;color:var(--amber);letter-spacing:.1em}
.step h3{margin-bottom:8px}
.step p{color:var(--muted);font-size:15px;margin-bottom:14px}
.step-imgs{display:flex;gap:12px;flex-wrap:wrap}
.step-imgs img{width:220px;height:150px;object-fit:cover;border-radius:8px}

/* ---------- faq ---------- */
.faq{margin:24px 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:16px 20px}
.faq summary{font-weight:700;cursor:pointer;font-size:16px}
.faq p{margin-top:10px;color:var(--muted);font-size:15px}

/* ---------- quote form ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;max-width:640px}
.form label{display:block;font-size:14px;font-weight:600;margin:16px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:#fff}
.form textarea{height:120px;resize:vertical}
.form .btn{margin-top:22px;width:100%}
.contact-line{display:flex;gap:12px;align-items:center;margin-bottom:12px;font-size:16px}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--amber)}

/* ---------- footer ---------- */
footer{background:var(--dark);color:#a8a29e;padding:48px 0 32px;font-size:14px}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
footer h4{color:#fff;margin-bottom:12px;font-size:15px}
footer a{color:#a8a29e;text-decoration:none;display:block;margin-bottom:8px}
footer a:hover{color:#fbbf24}
.copy{max-width:1200px;margin:32px auto 0;padding:20px 20px 0;border-top:1px solid #44403c;font-size:13px;color:#78716c}

/* ---------- responsive ---------- */
@media(max-width:800px){
  .split{grid-template-columns:1fr}
  h1{font-size:32px}
  .page-hero h1{font-size:30px}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery img:first-child{grid-row:auto;height:220px}
  .step{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
}