/* Busada Ice · Direction A "Crystal" */
:root{
  --bg:#fbfdfc; --stage:#e3eef8; --tint:#e9f3fa; --ink:#031a66; --muted:#3b4f8f;
  --brand:#1053c8; --brand-deep:#012793; --frost:#bbd3ec; --line-green:#06c755; --white:#fff;
  --font:"Inter Tight","Noto Sans Thai",system-ui,sans-serif;
  --wrap:1280px; --pad:24px; --radius:20px; --section:120px; --nav:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.55 var(--font);overflow-x:clip}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p,ul{margin:0}
a{color:var(--brand)}a:hover{color:var(--brand-deep)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.on-blue :focus-visible{outline-color:var(--white)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;z-index:50;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{clip:auto;width:auto;height:auto;left:16px;top:10px;padding:10px 16px;border-radius:999px;background:var(--ink);color:var(--white)}
/* Thai headlines: no negative tracking, and enough line height for the vowels and tone marks above the line */
.display{font-weight:700;font-size:clamp(40px,5.2vw,76px);line-height:1.2;letter-spacing:0;text-wrap:balance}
.h2{font-weight:700;font-size:clamp(30px,3.6vw,50px);line-height:1.2;letter-spacing:0;text-wrap:balance}
.sub{color:var(--muted)}
.nb{white-space:nowrap}
.lift{transition:transform .3s cubic-bezier(.2,.8,.2,1),background-color .25s,color .25s}
.lift:hover{transform:translateY(-3px)}
.lift:active{transform:scale(.97)}
.pill{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border:0;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none}
.pill.primary{background:var(--brand);color:var(--white)}
.pill.primary:hover{background:var(--brand-deep);color:var(--white)}
.pill.white{background:var(--white);color:var(--brand-deep)}
.pill.line{background:var(--line-green);color:var(--ink)}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 100%,transparent)}
.nav .wrap{min-height:var(--nav);display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:20px;letter-spacing:0;white-space:nowrap}
.brand-logo{flex:none;width:52px;height:52px}
.brand-name span{font-weight:500;color:var(--muted)}
.links{display:flex;gap:28px;font-size:16px;font-weight:500}
.links a{color:var(--ink);text-decoration:none;transition:opacity .2s}
.links a:hover{opacity:.65}

/* scroll stage: copy on the left, the 3D ice on the right */
.stage{position:relative;height:240vh;background:var(--stage)}
.stage-pin{position:sticky;top:var(--nav);height:calc(100vh - var(--nav));min-height:560px;overflow:hidden}
.stage-grid{height:100%;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;align-items:center}
.stage-copy{display:grid;align-content:center;gap:40px}
.slide{grid-area:1/1;opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.2,.8,.2,1),transform .6s cubic-bezier(.2,.8,.2,1);pointer-events:none;visibility:hidden}
.slide.is-active{opacity:1;transform:none;pointer-events:auto;visibility:visible}
.slide p{margin-top:20px;font-size:20px;line-height:1.5;max-width:30ch}
.slide p.en{margin-top:12px;font-size:18px;font-weight:500;color:var(--muted)}
.slide .pill{margin-top:28px}
.dots{display:flex;gap:10px}
.dots span{width:32px;height:6px;border-radius:999px;background:var(--frost);transition:background-color .4s}
.dots span.is-active{background:var(--brand)}
.stage-art{position:relative;height:100%}
.stage-art canvas,.stage-fallback{position:absolute;inset:0;width:100%;height:100%}
/* a soft blue glow behind the mascot: the pale glass reads against it instead of blending into the stage */
.stage-art::before{content:"";position:absolute;left:50%;top:50%;width:min(100%,760px);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(closest-side,rgba(16,83,200,.2),rgba(16,83,200,.09) 55%,rgba(16,83,200,0))}
/* fade the canvas edges so ice that drifts out of frame dissolves instead of being cut by a hard line */
.stage-art canvas{-webkit-mask-image:radial-gradient(closest-side,#000 68%,transparent 100%);mask-image:radial-gradient(closest-side,#000 68%,transparent 100%)}
.stage-fallback{object-fit:cover;opacity:0;border-radius:var(--radius);transition:opacity .6s}
.no-webgl .stage-fallback{opacity:1}
/* without script or with reduced motion: no pinning, every slide readable */
.no-js .stage,.no-js .stage-pin{height:auto;position:relative}
.no-js .slide{grid-area:auto;opacity:1;transform:none;visibility:visible}
.no-js .stage-copy{padding:64px 0}.no-js .dots{display:none}
.no-js .stage-art{min-height:420px}
@media (prefers-reduced-motion:reduce){
  .stage,.stage-pin{height:auto;position:relative}
  .slide{grid-area:auto;opacity:1;transform:none;visibility:visible}
  .stage-copy{padding:64px 0}.dots{display:none}
  .stage-art{min-height:420px}
}
/* brand line from the poster */
.ribbon{display:block;width:fit-content;margin-top:14px;padding:8px 18px;border-radius:999px;background:#f8c838;color:var(--ink);font-weight:600;font-size:16px}
.slide p.ribbon{font-size:16px;max-width:none}
.stage-mascot{position:absolute;left:0;right:0;bottom:0;margin-inline:auto;z-index:2;height:min(86%,640px);width:auto;animation:float 5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* products */
.products{padding:var(--section) 0}
.products .h2{margin-bottom:48px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;gap:16px;color:var(--ink);text-decoration:none}
.card:hover{color:var(--ink)}
.pic{overflow:hidden;border-radius:var(--radius)}
.pic img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.card:hover .pic img{transform:scale(1.04)}
.card .pic{aspect-ratio:4/5}
.card h3{font-weight:600;font-size:22px}
.card p{margin-top:6px;font-size:17px}

/* use cases */
.uses{padding:0 0 var(--section)}
.uses .h2{margin-bottom:48px}
.grid5{list-style:none;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.use .pic{aspect-ratio:1;margin-bottom:14px}
.use h3{font-weight:600;font-size:19px;line-height:1.4}

/* delivery */
.delivery .pic{aspect-ratio:4/3}

/* factory */
.factory{background:var(--tint)}
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center;padding-top:var(--section);padding-bottom:var(--section)}
.split p{margin-top:20px}
.facts{list-style:none;padding:0;margin-top:28px;display:grid;gap:12px}
.facts li{display:flex;gap:12px;align-items:baseline}
.facts li::before{content:"";flex:none;width:10px;height:10px;border-radius:50%;background:var(--brand);transform:translateY(-2px)}

/* order */
.order{background:var(--brand);color:var(--white)}
.order .wrap{padding-top:var(--section);padding-bottom:var(--section)}
.order-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px}
.order-head p{color:#d6e6fb;max-width:420px}
.order-title{display:flex;align-items:flex-end;gap:16px}
.order-mascot{width:clamp(96px,12vw,170px);height:auto;margin-bottom:-8px}
.composer{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:8px}
.box{margin:0;border:0;border-radius:var(--radius);background:var(--brand-deep);padding:12px;min-height:96px;display:flex;align-items:center;gap:6px}
.box legend{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.seg{flex:1;min-height:56px;border:0;border-radius:999px;background:transparent;color:var(--white);font-weight:600;transition:background-color .2s,color .2s,transform .2s}
.seg[aria-pressed="true"]{background:var(--white);color:var(--brand-deep)}
.seg:active,.step:active{transform:scale(.95)}
.counter{justify-content:space-between}
.step{width:56px;height:56px;border:0;border-radius:999px;background:var(--white);color:var(--brand-deep);font-size:24px;font-weight:600;transition:transform .2s}
.qty{font-weight:600;font-size:24px}
.send{justify-content:center;background:var(--line-green);color:var(--ink);font-weight:600;font-size:20px;text-decoration:none;text-align:center}
.send:hover{color:var(--ink)}
.order-note{display:flex;flex-wrap:wrap;gap:6px 24px;margin-top:14px;font-size:15px;color:#d6e6fb}
.order-note a{color:var(--white);font-weight:600}

/* footer */
.footer .wrap{padding-top:40px;padding-bottom:40px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:15px;color:var(--muted)}
.footer a{color:var(--muted)}

/* entrances */
@keyframes enter{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@supports (animation-timeline:view()){
  .e1,.e2,.e3{animation:enter linear both;animation-timeline:view()}
  .e1{animation-range:entry 0% entry 40%}.e2{animation-range:entry 8% entry 48%}.e3{animation-range:entry 16% entry 56%}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

@media (max-width:900px){.grid5{grid-template-columns:repeat(2,minmax(0,1fr))}.links{display:none}.grid3{grid-template-columns:minmax(0,1fr)}.card .pic{aspect-ratio:4/3}.composer{grid-template-columns:minmax(0,1fr)}}
@media (max-width:760px){
  :root{--section:88px}
  .split{grid-template-columns:minmax(0,1fr)}
  .stage{height:220vh}
  .stage-grid{grid-template-columns:minmax(0,1fr);grid-template-rows:42% auto;align-items:start;gap:8px;padding-top:8px}
  .stage-art{order:-1}
  .stage-mascot{height:100%}
  .stage-copy{gap:24px}
  .slide p{font-size:17px}
  .slide p.ribbon{font-size:15px;padding:8px 14px}
}
@media (max-width:480px){.brand-name span{display:none}}