:root{
  --ivory:#fffdf7;--cream:#f5eddc;--warm:#eee3cb;--herb:#66783e;--deep:#365b27;--deep-dark:#24461c;--gold:#d5ad47;--coffee:#6a3f1d;--line:rgba(127,91,42,.22);--shadow:0 16px 38px rgba(58,48,29,.11);
  --font-logo:"Cinzel",serif;--font-title:"Cinzel","Trirong",serif;--font-th:"Trirong","Sarabun",serif;--font-body:"Sarabun",sans-serif;
  --mountain-height:clamp(230px,28vw,460px);--mountain-gap:56px;--mountain-safe-space:calc(var(--mountain-height) + var(--mountain-gap));
}
*{box-sizing:border-box}html{background:var(--ivory)}body{margin:0;min-height:100vh;color:var(--deep-dark);font-family:var(--font-body);background:linear-gradient(180deg,#fffdf9 0%,#fbf5e9 62%,#efe5d1 100%);overflow-x:hidden}.mountain-bg{position:fixed;left:0;right:0;bottom:0;height:var(--mountain-height);z-index:1;pointer-events:none;background:url('assets/matterhorn-desktop.png') center bottom/100% auto no-repeat}.app-shell{position:relative;z-index:2;width:min(1440px,calc(100% - 36px));margin:0 auto;padding:42px 0 var(--mountain-safe-space)}a{color:inherit;text-decoration:none}.back-arrow{position:fixed;left:24px;top:24px;z-index:20;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:rgba(255,253,247,.96);color:var(--deep);font-size:28px;cursor:pointer;box-shadow:var(--shadow)}.hero{text-align:center;margin-bottom:28px}.eyebrow{margin:0;color:#b17d31;font:600 14px/1.2 var(--font-logo);letter-spacing:.18em}.hero h1{margin:10px 0 8px;font:600 clamp(34px,4vw,58px)/1.15 var(--font-th);color:var(--deep-dark)}.hero>p:not(.eyebrow){margin:0;color:var(--coffee);font:500 clamp(16px,1.5vw,21px)/1.5 var(--font-th)}.member-shortcuts{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px}.member-shortcuts a{padding:10px 17px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,247,.86);font-weight:700}.packages-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}.package-offer{position:relative;display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:22px;background:rgba(255,253,247,.97);box-shadow:var(--shadow);overflow:visible}.package-badge{position:absolute;right:-5px;top:-15px;z-index:3;min-width:190px;padding:10px 20px;border-radius:0 16px 0 18px;background:linear-gradient(105deg,#f6dc83,#d4a43b,#f1d474);color:#66440b;text-align:center;font:600 15px/1.2 var(--font-th);box-shadow:0 8px 18px rgba(119,84,20,.18)}.offer-head{display:grid;grid-template-columns:.92fr 1.12fr 1.05fr;align-items:center;min-height:126px;padding:22px 18px;border-radius:21px 21px 0 0;background:linear-gradient(135deg,var(--herb),var(--deep-dark));color:white}.offer-head-cell{min-width:0;text-align:center}.offer-head-cell+.offer-head-cell{border-left:1px solid rgba(245,222,154,.35)}.offer-quantity{display:flex;align-items:baseline;justify-content:center;gap:7px}.offer-quantity strong{font:500 clamp(48px,4vw,68px)/1 var(--font-logo)}.offer-quantity span{font:600 16px/1.2 var(--font-th)}.offer-price{font:500 clamp(28px,2.5vw,41px)/1 var(--font-title);white-space:nowrap}.offer-coupon{text-align:right;padding-left:10px}.offer-coupon span{display:block;font:600 13px/1.35 var(--font-th);white-space:nowrap}.offer-coupon strong{display:block;margin-top:5px;color:#f1c85e;font:500 clamp(25px,2.2vw,36px)/1 var(--font-title);white-space:nowrap}.offer-body{display:flex;flex-direction:column;flex:1;padding:24px 26px 18px}.offer-benefit-row{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:20px;min-height:170px}.offer-referral{padding-right:10px}.referral-value{color:var(--herb);font:600 31px/1.1 var(--font-title)}.offer-referral h3{margin:9px 0 8px;color:var(--coffee);font:600 19px/1.35 var(--font-th)}.offer-referral p{margin:5px 0;color:#48543b;font-size:13px;line-height:1.45}.care-days-box{border-left:1px dotted var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.care-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--herb);color:white}.care-days-box span{margin-top:7px;font:600 12px var(--font-logo)}.care-days-box strong{color:var(--coffee);font:500 42px/1 var(--font-title)}.care-days-box small{font:600 14px var(--font-th)}.offer-total{margin-top:18px;padding:18px 8px 10px;border-top:1px solid var(--line);text-align:center}.offer-total p{margin:0;color:var(--deep);font:600 17px var(--font-th)}.offer-total strong{display:inline-block;margin:6px 0 3px;border-bottom:3px solid var(--herb);color:var(--herb);font:600 clamp(39px,3.3vw,52px)/1 var(--font-title)}.offer-total small{display:block;min-height:34px;color:#776a5d;font-size:12px;line-height:1.4}.offer-button,.btn.primary{border:0;background:linear-gradient(135deg,var(--herb),var(--deep-dark));color:white}.offer-button{width:100%;margin-top:auto;padding:14px;border-radius:12px;font:700 17px var(--font-th);cursor:pointer;box-shadow:0 8px 18px rgba(41,77,30,.18)}.offer-button:hover,.btn.primary:hover{filter:brightness(1.07);transform:translateY(-1px)}.offer-footnote{margin:10px 0 0;text-align:center;color:#7b624e;font-size:11px}.card{position:relative;background:linear-gradient(145deg,rgba(255,255,255,.97),rgba(251,245,233,.97));border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;background:linear-gradient(180deg,var(--gold),var(--herb));border-radius:0 4px 4px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 18px;border-radius:13px;border:1px solid var(--line);font:700 16px var(--font-th);cursor:pointer;transition:.2s}.btn.secondary{background:var(--cream);color:var(--deep-dark)}.btn.wide{width:100%}.order-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.section-card{padding:24px 28px}.section-card h2{margin:0 0 16px;font:600 25px var(--font-th);color:var(--deep-dark)}.package-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.summary-chip{padding:13px;border-radius:14px;background:#f3ebdb;text-align:center}.summary-chip span{display:block;color:#7b6c5d;font-size:12px}.summary-chip strong{display:block;margin-top:3px;color:var(--deep);font-size:20px}.products-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-card{display:grid;grid-template-columns:60px 1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:16px;background:#fffdf8}.product-card img{width:58px;height:58px;object-fit:cover;border-radius:12px}.product-card h3{margin:0;font:600 16px var(--font-th)}.product-card p{margin:3px 0 0;color:#756a5d;font-size:11px}.qty-control{display:flex;align-items:center;gap:7px}.qty-control button{width:31px;height:31px;border-radius:50%;border:1px solid var(--line);background:var(--cream);color:var(--deep);font-weight:800}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-weight:700}.field input,.field textarea{width:100%;padding:12px 13px;border:1px solid #d7c9b3;border-radius:12px;background:#fffefa;font:inherit;color:var(--coffee)}.summary-row{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--line)}.summary-row.total{font-size:21px;font-weight:800;color:var(--deep)}.notice{padding:12px 14px;border-radius:12px;background:#f3ebdb;color:#684a2f;font-size:13px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.status-message{min-height:24px;margin-top:10px;color:var(--coffee);text-align:center}.tracking-result{margin-top:18px}.empty{padding:20px;text-align:center;color:#776d61}
@media(max-width:1080px){.packages-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.order-layout{grid-template-columns:1fr}.package-summary{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){:root{--mountain-height:300px;--mountain-gap:40px}.mountain-bg{background-image:url('assets/matterhorn-mobile.png');background-size:100% auto}.app-shell{width:min(100% - 22px,520px);padding-top:28px}.back-arrow{left:12px;top:12px;width:42px;height:42px}.hero{padding-top:42px}.packages-grid{grid-template-columns:1fr;gap:18px}.offer-head{grid-template-columns:.88fr 1.07fr 1.05fr;min-height:98px;padding:16px 11px}.offer-quantity strong{font-size:43px}.offer-quantity span{font-size:13px}.offer-price{font-size:26px}.offer-coupon{padding-left:7px}.offer-coupon span{font-size:11px;white-space:normal}.offer-coupon strong{font-size:23px}.offer-body{padding:20px 17px 14px}.offer-benefit-row{grid-template-columns:minmax(0,1fr) 94px;gap:12px;min-height:150px}.referral-value{font-size:27px}.offer-referral h3{font-size:16px}.offer-referral p{font-size:12px}.care-days-box strong{font-size:36px}.package-badge{min-width:165px;font-size:13px}.products-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.package-summary{grid-template-columns:1fr 1fr}.member-shortcuts a{font-size:13px;padding:8px 12px}}

/* Production asset refinements */
.offer-button{display:flex;align-items:center;justify-content:center;text-decoration:none}
.product-card img{object-fit:contain;background:transparent}
.brand-logo{width:90px;height:90px;object-fit:contain;margin:0 auto 10px;display:block}