:root{color-scheme:dark;--bg:#062e28;--gold:#edcc83;--cream:#fff8e9;--muted:#b6cec5;--line:#d5bb7838}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--cream);font-family:"Noto Sans Thai",Tahoma,sans-serif;line-height:1.7}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #fff0a8;outline-offset:5px}header{max-width:1320px;margin:auto;padding:25px 40px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font:600 19px Georgia,serif;letter-spacing:.13em;text-decoration:none}.brand span{display:block;font:10px Tahoma,sans-serif;letter-spacing:.27em;color:var(--gold);margin-top:8px}.back{font-size:13px;text-decoration:none;min-height:44px;display:flex;align-items:center}.skip{position:fixed;top:-100px;left:10px;z-index:20;background:var(--cream);color:var(--bg);padding:12px}.skip:focus{top:10px}.hero{position:relative;isolation:isolate;text-align:center;overflow:hidden;padding:72px 24px 62px}.halo{position:absolute;z-index:-1;inset:0;background:radial-gradient(ellipse at 50% 27%,#ddb65a24,transparent 56%),conic-gradient(from 155deg at 50% -35%,transparent 0deg,#f3d99a09 15deg,transparent 27deg,#f3d99a09 43deg,transparent 54deg)}.eyebrow{font:11px/1.6 Tahoma,sans-serif;letter-spacing:.24em;color:var(--gold);margin:0 0 15px}.date{font-size:13px;color:var(--muted);margin:0 0 26px}h1{font-size:clamp(48px,6.5vw,88px);line-height:1.24;font-weight:500;letter-spacing:-.04em;margin:0 0 25px}h1 em{font-style:normal;color:var(--gold)}.intro{font-size:16px;color:var(--muted);line-height:1.95;margin:0 auto 25px}.seal{width:fit-content;margin:0 auto 24px;border:1px solid var(--line);border-radius:30px;padding:8px 18px;font-size:13px;color:var(--gold)}.seal span{margin-right:9px}.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:28px;padding:12px 24px;border-radius:6px;text-decoration:none;border:1px solid var(--line);background:transparent;color:var(--cream)}.primary{background:var(--gold);color:#133c31;border-color:var(--gold);font-weight:600}.stage-line{height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);width:min(700px,85%);margin:55px auto 0;opacity:.5}.categories{max-width:1280px;padding:22px 40px 50px;margin:auto;scroll-margin-top:24px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-heading h2,.closing h2{font-size:clamp(25px,3vw,36px);line-height:1.5;font-weight:500;margin:0}.section-heading>p{color:var(--muted);font-size:13px;margin:0}.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.category{text-align:left;border:1px solid var(--line);border-radius:12px;background:linear-gradient(140deg,#ffffff08,transparent);color:var(--cream);padding:25px 22px 20px;display:flex;flex-direction:column;transition:transform .25s,border-color .25s}.category:hover{transform:translateY(-5px);border-color:var(--gold)}.card-number{font-size:9px;color:var(--muted);letter-spacing:.12em}.symbol{font:58px/1.5 Georgia,serif;color:var(--gold);margin:15px 0}.category strong{font-size:23px;font-weight:500;line-height:1.55}.description{font-size:12px;color:var(--muted);margin:16px 0 25px}.card-foot{border-top:1px solid var(--line);padding-top:17px;font-size:13px;display:flex;justify-content:space-between;gap:10px;margin-top:auto;color:var(--gold)}.card-foot span{font-size:11px}.popular{background:linear-gradient(140deg,#c8a85913,transparent)}.quiet{font-size:13px;color:var(--muted)}#data-status{text-align:center;margin-top:26px}.closing{max-width:900px;margin:10px auto 70px;display:flex;align-items:center;justify-content:center;gap:50px;padding:30px}.closing img{width:190px;height:230px;object-fit:contain}.closing p:last-child{font-size:14px;color:var(--muted)}footer{max-width:1240px;margin:auto;border-top:1px solid var(--line);padding:24px 30px;color:var(--muted);font-size:10px;letter-spacing:.1em;display:flex;justify-content:space-between;gap:20px}dialog{max-width:560px;width:calc(100% - 32px);background:#0a3b32;border:1px solid var(--gold);border-radius:15px;color:var(--cream);padding:38px 30px;box-shadow:0 20px 100px #0007}dialog::backdrop{background:#011b17c9;backdrop-filter:blur(5px)}dialog h2{font-size:27px;padding-right:20px;line-height:1.5}.close{position:absolute;top:12px;right:12px;width:44px;height:44px;background:transparent;border:1px solid var(--line);color:var(--cream);border-radius:50%;font-size:25px}dialog ul{padding-left:22px;line-height:2.1;color:var(--muted)}.pending{color:var(--gold);border-top:1px solid var(--line);padding-top:20px}.demo-label{background:#edcc83;color:#143b30;padding:12px 20px;text-align:center;font-size:14px;font-weight:600}.demo-main{text-align:center;padding:45px 24px 80px;max-width:1100px;margin:auto}.demo-main h1{font-size:clamp(32px,5vw,56px);margin:20px 0}.demo-controls{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}.envelope-scene{perspective:1000px;min-height:360px;display:grid;place-items:center;padding:45px 0 60px}.envelope{position:relative;isolation:isolate;width:min(330px,85vw);height:205px;border:0;border-radius:8px;background:linear-gradient(150deg,#e6c777,#977430);box-shadow:0 22px 60px #0007;transform-style:preserve-3d;transition:transform .6s;color:#173f31}.envelope:before{content:"";position:absolute;inset:0;background:linear-gradient(33deg,#b58b42 49.6%,transparent 50%),linear-gradient(-33deg,#d6b563 49.6%,transparent 50%);z-index:3;border-radius:8px}.flap{position:absolute;inset:0;z-index:4;clip-path:polygon(0 0,100% 0,50% 65%);background:linear-gradient(#f6dda0,#c4a04d);transform-origin:top;transition:transform .8s,opacity .6s}.wax{position:absolute;z-index:5;top:85px;left:calc(50% - 29px);width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#154b3c;color:var(--gold);border:2px solid #edcc8370;font:25px Georgia,serif;transition:opacity .2s}.award-note{position:absolute;left:18px;right:18px;top:12px;min-height:180px;background:var(--cream);padding:20px 8px;color:#123f33;border-radius:6px;z-index:1;transition:transform .8s .15s}.award-note strong{display:block;font-size:24px}.trophy{font-size:48px;display:block;line-height:1.2}.award-note small{font-size:11px}.envelope.is-open{transform:translateY(45px) rotateX(6deg)}.is-open .flap{transform:rotateX(180deg);opacity:.2}.is-open .wax{opacity:0}.is-open .award-note{transform:translateY(-135px)}.demo-caption{min-height:28px;color:var(--gold);margin:0 0 22px}.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:left;margin-top:30px}.demo-grid[hidden]{display:none}.demo-tile{border:1px solid var(--line);padding:22px;border-radius:10px}.demo-tile strong{display:block;margin-top:12px;color:var(--gold)}.confetti{position:fixed;pointer-events:none;inset:0;overflow:hidden;z-index:10}.confetti i{position:absolute;top:-20px;left:var(--x);width:7px;height:13px;background:var(--gold);animation:fall 1.8s ease-in var(--delay) both}.confetti i:nth-child(even){background:#99c9ad}@keyframes fall{to{transform:translateY(105vh) rotate(540deg);opacity:0}}@media(max-width:950px){.card-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){header{padding:18px 20px}.brand{font-size:14px}.back{font-size:11px}.hero{padding:50px 20px 32px}.intro{font-size:14px}.categories{padding:15px 20px 30px}.section-heading{display:block}.section-heading>p{margin-top:15px}.card-grid{gap:12px}.category{padding:18px 14px}.category strong{font-size:19px}.symbol{font-size:42px;margin:10px 0}.card-number{font-size:8px;letter-spacing:0}.description{font-size:11px}.card-foot{display:block}.card-foot span{display:block;margin-top:6px}.closing{gap:18px;padding:20px;margin-bottom:35px}.closing img{width:100px;height:170px}.closing h2{font-size:22px}.closing .eyebrow{font-size:8px}.closing p:last-child{font-size:12px}footer{display:block;padding:20px}footer span{display:block;margin-top:8px}.demo-grid{grid-template-columns:1fr}.demo-main{padding:30px 20px 50px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.confetti{display:none}}