/* Hare Data Platform — design system (延續簡報：橘 E25822 / 深藍 1C2B3A / 淺灰底) */
:root{
  --orange:#E25822; --orange-deep:#B8451C; --orange-soft:#FDEFE5;
  --navy:#1C2B3A; --navy-2:#24344A; --navy-3:#2F4360;
  --bg:#F5F7FA; --card:#FFFFFF; --line:#E5E9F0;
  --grey:#6B7280; --body:#374151; --ink:#111827;
  --green:#16A34A; --amber:#D97706; --blue:#2563EB;
  --radius:14px; --shadow:0 10px 30px rgba(28,43,58,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","Inter","PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;
  --mono:"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--navy);margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
.container{width:min(1180px,92vw);margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;color:var(--orange);font-weight:800;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--orange);border-radius:2px}
.h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-top:.6rem}
.lead{color:var(--grey);font-size:1.08rem;max-width:720px;margin-top:.9rem}
.section{padding:clamp(4rem,8vw,7rem) 0;position:relative}
.section.alt{background:#fff}
.section.dark{background:var(--navy);color:#CBD5E1}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .lead{color:#9AA8B8}
.grid{display:grid;gap:1.4rem}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.card h3{font-size:1.12rem;margin-bottom:.5rem}
.chip{display:inline-block;background:var(--orange-soft);color:var(--orange-deep);font-weight:700;padding:.3rem .7rem;border-radius:999px;font-size:.85rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:10px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s;border:0;cursor:pointer;font-family:inherit;font-size:1rem}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 24px rgba(226,88,34,.35)}
.btn-primary:hover{background:var(--orange-deep)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-outline{background:#fff;color:var(--navy);border:1px solid var(--line)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav .brand{display:flex;align-items:center;gap:.7rem;font-weight:800;color:#fff;font-size:1.05rem}
.nav .brand img{height:34px}
.nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0;align-items:center}
.nav a{color:rgba(255,255,255,.85);font-weight:600;font-size:.95rem}
.nav a:hover{color:#fff}
.nav .lang{font-size:.85rem;padding:.3rem .6rem;border:1px solid rgba(255,255,255,.3);border-radius:8px}
.nav.solid{background:rgba(28,43,58,.92);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.15)}
.nav .btn{padding:.6rem 1rem;font-size:.9rem}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem}
@media(max-width:900px){.nav ul{display:none}.burger{display:block}}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:radial-gradient(1200px 700px at 75% 40%,#2F4360 0%,var(--navy) 55%,#121C28 100%);color:#fff;overflow:hidden}
#hero3d{position:absolute;inset:0;width:100%;height:100%}
.hero .container{position:relative;z-index:2;padding-top:90px;padding-bottom:120px}
.hero h1{color:#fff;font-size:clamp(2.4rem,5.4vw,4.2rem);max-width:820px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .sub{font-size:1.15rem;color:#C7D0DB;max-width:640px;margin-top:1.3rem}
.hero .actions{display:flex;gap:.9rem;margin-top:2.2rem;flex-wrap:wrap}
.hero .eyebrow{color:#FDB58F}.hero .eyebrow::before{background:#FDB58F}
.stack-tags{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:2rem}
.stack-tags span{font-family:var(--mono);font-size:.8rem;padding:.35rem .7rem;border:1px solid rgba(255,255,255,.18);border-radius:8px;color:#B8C4D1;background:rgba(255,255,255,.04)}
.ticker{position:absolute;left:0;right:0;bottom:0;z-index:3;background:rgba(10,18,28,.72);border-top:1px solid rgba(255,255,255,.08);backdrop-filter:blur(6px);height:44px;overflow:hidden;font-family:var(--mono);font-size:.8rem}
.ticker .track{display:flex;gap:3rem;white-space:nowrap;align-items:center;height:44px;will-change:transform}
.ticker .ev{color:#9FB0C3}.ticker .ev b{color:#FDB58F;font-weight:600}.ticker .ev i{font-style:normal;color:#7DD3A6}
.scroll-hint{position:absolute;right:4vw;bottom:64px;z-index:3;color:#7C8A9A;font-size:.8rem;letter-spacing:.2em;writing-mode:vertical-rl;animation:hint 2s infinite}
@keyframes hint{0%,100%{transform:translateY(0);opacity:.6}50%{transform:translateY(8px);opacity:1}}

/* stats */
.stats{margin-top:-70px;position:relative;z-index:4}
.stats .grid{gap:1rem}
.stat{background:#fff;border-radius:var(--radius);padding:1.5rem 1.6rem;box-shadow:var(--shadow)}
.stat .num{font-size:2.4rem;font-weight:900;color:var(--navy);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat .num .o{color:var(--orange)}
.stat .lab{color:var(--grey);font-size:.92rem;margin-top:.2rem}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* separation demo */
.demo{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.6rem;overflow:hidden}
.demo-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.demo-head h3{font-size:1.05rem}
.demo-head .tag{font-size:.8rem;color:var(--grey)}
.coupled{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:.5rem}
.node{background:#EDF0F4;border-radius:10px;padding:.7rem;text-align:center;font-size:.8rem;color:var(--grey);font-weight:700}
.node .cpu,.node .disk{border-radius:8px;padding:.5rem;margin-top:.5rem;color:#fff;font-size:.8rem}
.node .cpu{background:#8B95A3}.node .disk{background:#5F6B7A}
.node .disk small{display:block;opacity:.75;font-weight:400}
.layer-row{display:flex;gap:.6rem;flex-wrap:wrap;min-height:64px;align-items:center}
.lnode{width:64px;height:52px;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-size:.72rem;font-weight:700;animation:pop .45s cubic-bezier(.2,.9,.3,1.4)}
.lnode.c{background:var(--orange)}.lnode.s{background:var(--navy-3)}
.lnode small{font-weight:400;opacity:.85}
@keyframes pop{from{transform:scale(.3);opacity:0}to{transform:scale(1);opacity:1}}
.s3line{position:relative;height:36px;margin:.6rem 0;border-radius:8px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.78rem;overflow:hidden}
.s3line .pk{position:absolute;top:50%;width:10px;height:10px;border-radius:50%;background:var(--orange);transform:translateY(-50%);box-shadow:0 0 12px var(--orange)}
.demo-ctl{display:flex;gap:.6rem;margin-top:1rem;flex-wrap:wrap;align-items:center}
.demo-ctl .btn{padding:.55rem .9rem;font-size:.88rem}
.meter{display:flex;gap:1.2rem;margin-top:1rem;font-size:.9rem}
.meter b{color:var(--navy);font-variant-numeric:tabular-nums}
.meter .bad{color:#DC2626}.meter .good{color:var(--green)}
.rowlab{font-size:.78rem;color:var(--grey);font-weight:700;margin:.6rem 0 .3rem;letter-spacing:.06em;text-transform:uppercase}

/* architecture layers */
.layers{display:flex;flex-direction:column;gap:.7rem;position:relative}
.layer{display:grid;grid-template-columns:150px 1fr auto;align-items:center;gap:1rem;background:#fff;border-radius:12px;padding:1rem 1.3rem;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,background .25s;cursor:default;position:relative;overflow:hidden}
.layer::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--line);transition:background .25s}
.layer:hover,.layer.on{transform:translateX(8px);background:var(--orange-soft)}
.layer:hover::before,.layer.on::before{background:var(--orange)}
.layer .n{font-weight:800;color:var(--navy)}
.layer .d{color:var(--body);font-size:.95rem}
.layer .logos{display:flex;gap:.6rem;align-items:center}
.layer .logos img{height:22px;width:auto;opacity:.9}
.layer .logos span{font-family:var(--mono);font-size:.75rem;color:var(--grey)}
.packet{position:absolute;left:34px;width:12px;height:12px;border-radius:50%;background:var(--orange);box-shadow:0 0 14px var(--orange);z-index:2;pointer-events:none}
@media(max-width:900px){.layer{grid-template-columns:1fr}.layer .logos{display:none}}

/* data flow canvas + terminal */
.flowwrap{display:grid;grid-template-columns:1.25fr 1fr;gap:1.4rem}
@media(max-width:1000px){.flowwrap{grid-template-columns:1fr}}
#flow{width:100%;height:420px;border-radius:var(--radius);background:linear-gradient(180deg,#1C2B3A,#141F2C);display:block}
.term{background:#0F1720;border-radius:var(--radius);padding:1.2rem 1.3rem;font-family:var(--mono);font-size:.82rem;color:#D1D9E2;min-height:420px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.term .bar{display:flex;gap:.4rem;margin-bottom:.9rem}
.term .bar i{width:10px;height:10px;border-radius:50%;background:#2F4360}
.term .bar i:nth-child(1){background:#E25822}.term .bar i:nth-child(2){background:#D97706}.term .bar i:nth-child(3){background:#16A34A}
.term .kw{color:#FDB58F}.term .fn{color:#7DD3A6}.term .cm{color:#5F6B7A}.term .num{color:#93C5FD}
.term .out{margin-top:.8rem;border-top:1px dashed #2F4360;padding-top:.6rem;white-space:pre;color:#B8C4D1}
.term .cur{display:inline-block;width:8px;height:14px;background:#FDB58F;vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* migration */
.mig{display:grid;grid-template-columns:1fr 90px 1fr;gap:1rem;align-items:stretch}
@media(max-width:900px){.mig{grid-template-columns:1fr}}
.mig .side{background:#fff;border-radius:var(--radius);padding:1.2rem 1.3rem;box-shadow:var(--shadow)}
.mig .side h4{font-size:1rem;margin-bottom:.6rem}
.mig .side.old h4{color:var(--grey)}.mig .side.new h4{color:var(--orange)}
.tbl{display:flex;flex-direction:column;gap:.4rem}
.tbl .t{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:.78rem;background:#F1F4F8;border-radius:8px;padding:.45rem .7rem;transition:all .4s}
.tbl .t.moved{opacity:.3;text-decoration:line-through}
.tbl .t.new{background:var(--orange-soft);color:var(--orange-deep);animation:pop .4s}
.tbl .t .st{font-size:.7rem;padding:.1rem .45rem;border-radius:6px;background:#E5E9F0;color:var(--grey)}
.tbl .t.new .st{background:var(--orange);color:#fff}
.mig .mid{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;color:var(--grey);font-size:.75rem;text-align:center}
.mig .mid .arrow{width:60px;height:4px;background:linear-gradient(90deg,var(--line),var(--orange));border-radius:2px;position:relative;overflow:visible}
.mig .mid .arrow::after{content:"";position:absolute;right:-6px;top:-5px;border:7px solid transparent;border-left-color:var(--orange)}
.trinobar{background:var(--navy);color:#fff;border-radius:12px;padding:.9rem 1.2rem;display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:.92rem}
.trinobar b{color:#FDB58F}
.prog{height:8px;background:#E5E9F0;border-radius:4px;overflow:hidden;margin-top:.8rem}
.prog i{display:block;height:100%;background:var(--orange);width:0;transition:width .6s}

/* industries marquee */
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee .track{display:flex;gap:1rem;width:max-content;animation:mq 28s linear infinite}
.marquee .item{display:flex;align-items:center;gap:.6rem;background:#fff;border-radius:12px;padding:.8rem 1.2rem;box-shadow:var(--shadow);font-weight:700;color:var(--navy);white-space:nowrap}
.marquee .item small{color:var(--grey);font-weight:500}
@keyframes mq{to{transform:translateX(-50%)}}

/* about + cta */
.about .grid{gap:1rem}
.about .stat .num{font-size:2rem}
.cta{background:linear-gradient(120deg,var(--orange),#F2803F);color:#fff;border-radius:20px;padding:3rem;display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap;position:relative;overflow:hidden}
.cta h2{color:#fff}
.cta p{color:#FFE3D2;margin-top:.4rem}
.cta .btn{background:#fff;color:var(--orange-deep)}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.12)}

/* contact form */
.form{display:grid;gap:.8rem}
.form input,.form textarea{width:100%;padding:.8rem .9rem;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff}
.form textarea{min-height:110px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
@media(max-width:700px){.form .row{grid-template-columns:1fr}}

/* footer */
footer{background:#121C28;color:#8A98A8;padding:3rem 0 2rem;font-size:.9rem}
footer .top{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;margin-bottom:2rem}
footer .brand{display:flex;align-items:center;gap:.7rem;color:#fff;font-weight:800}
footer .brand img{height:30px}
footer ul{list-style:none;margin:0;padding:0;display:flex;gap:1.4rem;flex-wrap:wrap}
footer a:hover{color:#fff}
footer .bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:1.2rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}

/* Hare-first framing */
.stack-tags span.hare{background:var(--orange);border-color:var(--orange);color:#fff;font-weight:800;font-family:var(--font)}
.rowlab small{font-weight:500;text-transform:none;letter-spacing:0;color:#9AA3AE}
.hare-frame{background:#fff;border-radius:18px;padding:1.2rem;box-shadow:var(--shadow);border:2px solid var(--orange-soft)}
.hare-head{display:flex;align-items:center;gap:.9rem;padding:.4rem .6rem 1rem}
.hare-head img{height:40px}
.hare-head b{display:block;font-size:1.35rem;color:var(--navy)}
.hare-head span{color:var(--grey);font-size:.9rem}
.hare-frame .layer{box-shadow:none;background:var(--bg)}
.hare-frame .layer:hover,.hare-frame .layer.on{background:var(--orange-soft)}

/* contact form result */
.form-out{background:var(--orange-soft);border-radius:12px;padding:1rem 1.1rem;display:grid;gap:.7rem;animation:pop .35s}
.form-out b{color:var(--navy)}
.form-out .fo-btns{display:flex;gap:.5rem;flex-wrap:wrap}
.form-out .btn{padding:.55rem .9rem;font-size:.88rem}
.form-out small{color:var(--grey)}
.form-out small a{color:var(--orange)}

/* decorative circles must not block clicks */
.cta::after,.minicta::after,.fcard::after{pointer-events:none}
.cta>*{position:relative;z-index:1}

/* mail dialog */
.mail-dlg{position:fixed;inset:0;z-index:100;background:rgba(15,23,32,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:1rem;animation:fadeIn .2s}
.mail-dlg .box{background:#fff;border-radius:18px;padding:1.8rem;max-width:460px;width:100%;box-shadow:0 30px 80px rgba(0,0,0,.3);position:relative;animation:pop .3s}
.mail-dlg h3{font-size:1.25rem}
.mail-dlg p{color:var(--grey);margin:.4rem 0 1.2rem;font-size:.95rem}
.mail-dlg .addr{display:flex;align-items:center;justify-content:space-between;gap:.6rem;background:var(--bg);border-radius:10px;padding:.7rem .9rem;font-weight:700;color:var(--navy);margin-bottom:1rem}
.mail-dlg .opts{display:grid;gap:.5rem}
.mail-dlg .opts .btn{justify-content:center;width:100%}
.mail-dlg .x{position:absolute;right:14px;top:10px;border:0;background:none;font-size:1.5rem;color:var(--grey);cursor:pointer}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.form-out[hidden]{display:none}
#contact-form{scroll-margin-top:110px}

/* consent checkbox */
.consent{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--grey);cursor:pointer}
.consent input{width:16px;height:16px;accent-color:var(--orange);flex:0 0 auto}
.consent a{color:var(--orange);text-decoration:underline}
footer .bottom a:hover{color:#fff}