:root{--ivory:#fffdf7;--cream:#f5eddc;--herb:#66783e;--green:#365b27;--deep:#24461c;--gold:#d5ad47;--coffee:#6a3f1d;--border:rgba(101,67,31,.18);--shadow:0 16px 40px rgba(56,63,39,.10);--font-logo:"Cinzel",serif;--font-title:"Cinzel","Trirong",serif;--font-th:"Trirong","Sarabun",serif;--font-body:"Sarabun",sans-serif;--mountain-height:clamp(170px,24vw,340px);--mountain-gap:42px;--mountain-safe-space:calc(var(--mountain-height) + var(--mountain-gap))}*{box-sizing:border-box}html{scroll-behavior:smooth;min-height:100%;background:var(--ivory)}body{position:relative;margin:0;min-height:100vh;color:var(--deep);font-family:var(--font-body);background:linear-gradient(180deg,#fffdf9 0%,#fbf5e9 62%,#efe5d1 100%);overflow-x:hidden}body::before{content:"";position:fixed;left:0;right:0;bottom:0;height:var(--mountain-height);background-image:url("assets/matterhorn-desktop.png");background-position:center bottom;background-size:cover;background-repeat:no-repeat;pointer-events:none;z-index:0}body>*{position:relative;z-index:1}a{color:var(--green)}.back-arrow{position:fixed;left:22px;top:18px;z-index:10;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;text-decoration:none;color:var(--deep);background:rgba(255,253,247,.94);border:1px solid var(--border);box-shadow:0 8px 22px rgba(50,55,35,.09);font-size:22px}.page{width:min(980px,calc(100% - 32px));margin:0 auto;padding:72px 0 var(--mountain-safe-space)}.hero{text-align:center;margin-bottom:30px}.eyebrow{font-family:var(--font-logo);letter-spacing:.18em;font-size:13px;color:var(--gold);font-weight:600}h1{margin:9px 0 4px;font-family:var(--font-title);font-size:clamp(30px,5vw,48px);font-weight:600;letter-spacing:.03em}.subtitle{margin:0;font-family:var(--font-th);color:var(--coffee);font-size:clamp(17px,2.5vw,23px);font-weight:500}.meta{margin-top:10px;color:#746c5d;font-size:13px}.card{position:relative;overflow:hidden;padding:clamp(22px,4vw,42px);border:1px solid var(--border);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(250,246,237,.98));box-shadow:var(--shadow)}.card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,var(--gold),var(--herb),var(--deep))}section+section{margin-top:28px}h2{margin:0 0 10px;font-family:var(--font-th);font-size:22px;font-weight:600;color:var(--green)}p,li{font-size:15px;line-height:1.8;color:#3f4937}ul{padding-left:22px}.notice{padding:14px 16px;border-radius:12px;background:#f8f1df;border:1px solid rgba(200,155,55,.24);color:var(--coffee);font-size:14px;line-height:1.65}.contact-box{padding:18px;border-radius:14px;background:rgba(54,85,34,.07);border:1px solid rgba(54,85,34,.14)}.policy-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 10px;margin-top:24px}.policy-nav a,.policy-nav a:visited{display:inline-flex;align-items:center;justify-content:center;min-height:38px;text-decoration:none;padding:9px 14px;border-radius:999px;background:rgba(245,237,220,.94);border:1px solid var(--border);color:var(--deep);font-size:13px;font-weight:600;box-shadow:0 6px 16px rgba(58,48,29,.06);transition:.2s}.policy-nav a:hover{background:#fffdf7;transform:translateY(-1px)}.footer{text-align:center;margin-top:24px;color:#766f61;font-size:12px}@media(max-width:640px){body::before{background-image:url("assets/matterhorn-mobile.png");background-size:cover}.page{width:min(100% - 20px,560px);padding-top:62px}.back-arrow{left:12px;top:12px}.card{border-radius:18px;padding:22px 18px 26px}}


/* STEP 03B: reliable fixed mountain background */
body::before{content:""!important;display:block!important;position:fixed!important;left:0!important;right:0!important;bottom:0!important;height:var(--mountain-height)!important;background-image:url("assets/matterhorn-desktop.png")!important;background-position:center bottom!important;background-size:cover!important;background-repeat:no-repeat!important;pointer-events:none!important;z-index:0!important}
body>*{position:relative;z-index:1}
@media(max-width:640px){body::before{background-image:url("assets/matterhorn-mobile.png")!important;background-size:cover!important}}