/* CA Group — redesign following Apple Human Interface Guidelines
   Principles: clarity (type-led hierarchy), deference (content first, chrome recedes),
   depth (materials, layered sheets). One tint colour, semantic tokens, 44pt targets. */

:root{
  --bg:#ffffff;
  --bg2:#f5f5f7;            /* grouped / secondary background */
  --card:#ffffff;
  --label:#1d1d1f;
  --label2:#6e6e73;
  --label3:#86868b;
  --sep:rgba(0,0,0,.1);
  --fill:rgba(120,120,128,.12);
  --fill2:rgba(120,120,128,.2);
  --tint:#b4602a;           /* brand copper as the single tint colour */
  --tint-h:#9a4f20;
  --tint-ink:#ffffff;
  --link:#a8561f;
  --bar:rgba(255,255,255,.72);
  --shadow:0 2px 8px rgba(0,0,0,.04),0 12px 32px rgba(0,0,0,.08);
  --shadow-lg:0 24px 80px rgba(0,0,0,.18);
  --stage:#000;             /* dark "product stage" */
  --map:#f5f5f7;--land:#e4e4e9;--landline:#c7c7cc;--lake:#d2dfea;--city:#8e8e93;
  --cu:#c2672f;--au:#c79a1e;--fe:#5b7a99;--pm:#2b8a80;--coal:#6b5e54;
  --r-lg:28px;--r:18px;--r-sm:12px;
  --ease:cubic-bezier(.25,.1,.25,1);
  --spring:cubic-bezier(.32,.72,0,1);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#000;--bg2:#0b0b0c;--card:#1c1c1e;--label:#f5f5f7;--label2:#a1a1a6;--label3:#86868b;
  --sep:rgba(255,255,255,.14);--fill:rgba(120,120,128,.24);--fill2:rgba(120,120,128,.36);
  --tint:#d9824a;--tint-h:#e6955f;--tint-ink:#1a0d04;--link:#e8955c;--bar:rgba(22,22,23,.72);
  --shadow:0 2px 8px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.4);--shadow-lg:0 24px 80px rgba(0,0,0,.6);
  --stage:#111113;--map:#111113;--land:#2a2a2e;--landline:#3d3d42;--lake:#24384a;--city:#8e8e93;--coal:#a08f81;
}}
:root[data-theme="dark"]{
  --bg:#000;--bg2:#0b0b0c;--card:#1c1c1e;--label:#f5f5f7;--label2:#a1a1a6;--label3:#86868b;
  --sep:rgba(255,255,255,.14);--fill:rgba(120,120,128,.24);--fill2:rgba(120,120,128,.36);
  --tint:#d9824a;--tint-h:#e6955f;--tint-ink:#1a0d04;--link:#e8955c;--bar:rgba(22,22,23,.72);
  --shadow:0 2px 8px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.4);--shadow-lg:0 24px 80px rgba(0,0,0,.6);
  --stage:#111113;--map:#111113;--land:#2a2a2e;--landline:#3d3d42;--lake:#24384a;--city:#8e8e93;--coal:#a08f81;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--label);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Helvetica Neue","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  font-size:17px;line-height:1.47;letter-spacing:-.022em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  padding-bottom:env(safe-area-inset-bottom);
}
html[lang="zh-Hans"] body{letter-spacing:0;line-height:1.7}
img,svg{display:block;max-width:100%}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;color:inherit;letter-spacing:inherit}
:focus-visible{outline:3px solid color-mix(in srgb,var(--tint) 60%,transparent);outline-offset:3px;border-radius:8px}
.mono{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;letter-spacing:0}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--card);color:var(--label);padding:10px 16px;border-radius:10px;box-shadow:var(--shadow)}
.skip:not(:focus){box-shadow:none}.skip:focus{top:12px}

/* Language */
html:not([lang="zh-Hans"]) [data-l="zh"]{display:none!important}
html[lang="zh-Hans"] [data-l="en"]{display:none!important}

.wrap{max-width:1024px;margin:0 auto;padding:0 22px}
.wrap.wide{max-width:1200px}

/* ---------- Navigation bar (material) ---------- */
.bar{position:sticky;top:0;z-index:40;height:52px;
  background:var(--bar);
  -webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:.5px solid transparent;transition:border-color .3s var(--ease)}
.bar.scrolled{border-bottom-color:var(--sep)}
.bar .wrap{height:100%;display:flex;align-items:center;gap:20px;max-width:1200px}
.brand{display:flex;align-items:center;gap:9px;color:var(--label);font-size:19px;letter-spacing:-.01em;min-height:44px}
.brand:hover{text-decoration:none}
.brand b{font-weight:600}
.logo{width:22px;height:22px}
.logo .a{fill:var(--label)}.logo .b{fill:var(--tint)}
.links{display:flex;gap:2px;margin-left:auto}
.links a{color:var(--label);opacity:.8;font-size:13px;letter-spacing:-.01em;padding:0 10px;min-height:44px;display:flex;align-items:center;transition:opacity .2s}
.links a:hover{opacity:1;text-decoration:none}

/* Segmented control */
.seg{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;position:relative;background:var(--fill);border-radius:9px;padding:2px;isolation:isolate}
.seg button{position:relative;z-index:1;border:0;background:none;cursor:pointer;padding:5px 12px;font-size:13px;font-weight:500;border-radius:7px;min-height:28px;color:var(--label);white-space:nowrap}
.seg .thumb{position:absolute;z-index:0;top:2px;bottom:2px;left:2px;border-radius:7px;background:var(--card);box-shadow:0 3px 8px rgba(0,0,0,.12),0 3px 1px rgba(0,0,0,.04);transition:transform .32s var(--spring),width .32s var(--spring)}
:root[data-theme="dark"] .seg .thumb{background:#636366}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .seg .thumb{background:#636366}}
.seg.lg{border-radius:11px}
.seg.lg button{font-size:15px;padding:8px 22px;min-height:36px;border-radius:9px}
.seg.lg .thumb{border-radius:9px}

.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;border-radius:10px;align-items:center;justify-content:center}
.menu-btn span{display:block;width:17px;height:1.5px;background:var(--label);border-radius:1px;transition:transform .3s var(--spring)}
.menu-btn span+span{margin-top:5px}
.menu-btn[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
.drawer{position:fixed;inset:52px 0 0;z-index:39;background:var(--bar);
  -webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  padding:16px 30px 40px;opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility 0s .3s}
.drawer.open{opacity:1;visibility:visible;transition:opacity .3s var(--ease)}
.drawer a{display:block;color:var(--label);font-size:28px;font-weight:600;letter-spacing:-.015em;padding:10px 0;transform:translateY(-8px);opacity:0;transition:transform .45s var(--spring),opacity .45s var(--ease)}
.drawer.open a{transform:none;opacity:1}
.drawer.open a:nth-child(2){transition-delay:.03s}.drawer.open a:nth-child(3){transition-delay:.06s}.drawer.open a:nth-child(4){transition-delay:.09s}.drawer.open a:nth-child(5){transition-delay:.12s}
.drawer a:hover{text-decoration:none;color:var(--tint)}
.drawer .seg{margin-top:28px}

/* ---------- Type ---------- */
.eyebrow{font-size:17px;font-weight:600;color:var(--tint);margin:0 0 10px;letter-spacing:-.01em}
.display{font-size:clamp(44px,8vw,88px);line-height:1.05;font-weight:700;letter-spacing:-.025em;margin:0}
.h2{font-size:clamp(34px,5.2vw,56px);line-height:1.07;font-weight:700;letter-spacing:-.02em;margin:0}
.h3{font-size:clamp(24px,2.6vw,32px);line-height:1.125;font-weight:600;letter-spacing:-.015em;margin:0}
.lede{font-size:clamp(19px,2.2vw,24px);line-height:1.38;color:var(--label2);font-weight:400;letter-spacing:-.015em;margin:18px 0 0;max-width:34em}
html[lang="zh-Hans"] .display,html[lang="zh-Hans"] .h2,html[lang="zh-Hans"] .h3{letter-spacing:0;line-height:1.2}
.center{text-align:center}.center .lede{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.ctas{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:32px}
.center .ctas{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:11px 22px;border-radius:980px;background:var(--tint);color:var(--tint-ink);font-size:17px;font-weight:500;border:0;cursor:pointer;transition:background .2s,transform .2s var(--spring)}
.btn:hover{background:var(--tint-h);text-decoration:none}
.btn:active{transform:scale(.97)}
.btn.ghost{background:transparent;color:var(--link);box-shadow:inset 0 0 0 1px var(--link)}
.btn.ghost:hover{background:color-mix(in srgb,var(--link) 10%,transparent)}
.more{font-size:17px;display:inline-flex;align-items:center;gap:2px;min-height:44px}
.more::after{content:"";width:7px;height:7px;border:solid currentColor;border-width:1.6px 1.6px 0 0;transform:rotate(45deg);margin-left:6px}

/* ---------- Sections ---------- */
section{padding:clamp(80px,11vw,140px) 0}
.alt{background:var(--bg2)}
.head{margin-bottom:clamp(40px,6vw,64px)}

/* Hero */
.hero{padding:clamp(56px,9vw,112px) 0 0;overflow:hidden}
.hero .lede{max-width:30em}
.stage{margin:clamp(48px,7vw,80px) auto 0;max-width:1200px;padding:0 22px}
.stage-inner{background:var(--stage);border-radius:var(--r-lg);padding:clamp(20px,4vw,56px);position:relative;overflow:hidden}
.stage-inner::before{content:"";position:absolute;inset:-40% 10% auto;height:80%;background:radial-gradient(closest-side,rgba(224,145,90,.22),transparent);pointer-events:none}
.stage svg{position:relative;width:100%;height:auto;max-width:880px;margin:0 auto}
.stage figcaption{position:relative;text-align:center;color:#86868b;font-size:13px;margin-top:18px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:clamp(56px,8vw,96px);padding:0 22px;max-width:1024px;margin-left:auto;margin-right:auto;text-align:center}
.stat b{display:block;font-size:clamp(40px,5vw,56px);font-weight:700;letter-spacing:-.025em;line-height:1;background:linear-gradient(180deg,var(--label),color-mix(in srgb,var(--label) 55%,var(--tint)));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;color:var(--label2);font-size:15px;margin-top:8px;line-height:1.35}

/* Directions — bento tiles */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tile{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--card);padding:clamp(28px,4vw,48px);min-height:520px;display:flex;flex-direction:column;color:var(--label);transition:transform .5s var(--spring),box-shadow .5s var(--ease)}
.alt .tile{box-shadow:none}
.tile:hover{transform:scale(1.01);box-shadow:var(--shadow);text-decoration:none}
.tile .co{font-size:14px;color:var(--label2);font-weight:500}
.tile h3{margin:6px 0 12px}
.tile p{margin:0;color:var(--label2);font-size:17px;max-width:26em}
.tile .more{margin-top:14px;color:var(--link)}
.tile .art{margin-top:auto;padding-top:32px;display:flex;gap:10px;flex-wrap:wrap}
.elem{width:76px;height:76px;border-radius:18px;display:flex;flex-direction:column;justify-content:space-between;padding:9px 11px;color:#fff;font-weight:600;font-size:28px;line-height:1;letter-spacing:-.02em}
.elem small{font-size:10px;font-weight:500;opacity:.85;letter-spacing:0}
.elem.wide{width:auto;min-width:76px;font-size:17px;justify-content:flex-end}

/* Projects */
.controls{display:flex;flex-direction:column;align-items:center;gap:18px;margin-bottom:28px}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:6px 14px;border-radius:980px;border:0;background:var(--fill);cursor:pointer;font-size:14px;font-weight:500;transition:background .2s,opacity .2s}
.chip i{width:9px;height:9px;border-radius:50%}
.chip .n{color:var(--label2);font-weight:400}
.chip[aria-pressed="false"]{opacity:.5}
.chip[aria-pressed="false"] i{background:transparent!important;box-shadow:inset 0 0 0 1.5px var(--label3)}
.chip:hover{background:var(--fill2)}

.mapcard{background:var(--card);border-radius:var(--r-lg);padding:clamp(10px,2.4vw,28px);box-shadow:var(--shadow)}
.map{position:relative;width:100%;aspect-ratio:1010/560}
.map svg{position:absolute;inset:0;width:100%;height:100%}
.map .land{fill:var(--land);stroke:var(--landline);stroke-width:1}
.map .lake{fill:var(--lake)}
.map svg circle{fill:var(--city)}
.map .city{font-size:12px;fill:var(--label3);font-family:inherit;letter-spacing:0}
.mk{position:absolute;transform:translate(-11px,-50%);display:flex;align-items:center;gap:5px;background:none;border:0;padding:4px;cursor:pointer;min-height:30px;transition:opacity .3s var(--ease),transform .3s var(--spring)}
.mk.left{flex-direction:row-reverse;transform:translate(calc(-100% + 11px),-50%)}
.mk .dot{width:14px;height:14px;border-radius:50%;box-shadow:0 0 0 2.5px var(--card),0 1px 4px rgba(0,0,0,.3);transition:transform .25s var(--spring);flex:none}
.mk .lbl{font:600 11px/1 "SF Mono",ui-monospace,Menlo,monospace;background:var(--card);color:var(--label);padding:4px 6px;border-radius:6px;box-shadow:0 1px 3px rgba(0,0,0,.15);transition:background .2s,color .2s}
.mk:hover .dot,.mk:focus-visible .dot,.mk.on .dot{transform:scale(1.4)}
.mk:hover .lbl,.mk:focus-visible .lbl,.mk.on .lbl{background:var(--label);color:var(--bg)}
.mk:hover,.mk.on{z-index:3}
.mk.off{opacity:0;pointer-events:none}
.mk:focus-visible{outline:none}
.tip{position:absolute;z-index:6;width:270px;pointer-events:none;border-radius:16px;padding:14px 16px;
  background:color-mix(in srgb,var(--card) 82%,transparent);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);
  box-shadow:var(--shadow-lg);border:.5px solid var(--sep);opacity:0;transform:translateY(4px) scale(.97);transform-origin:bottom center;transition:opacity .18s var(--ease),transform .25s var(--spring)}
.tip.show{opacity:1;transform:none}
.tip .t1{display:flex;align-items:center;gap:8px;font-weight:600;font-size:17px}
.tip .t2{font-size:14px;color:var(--label2);margin:4px 0 10px}
.tip .t3{display:flex;justify-content:space-between;font-size:12px;color:var(--label3)}
.note{text-align:center;font-size:12px;color:var(--label3);margin:14px 0 0}

.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:12px;margin-top:40px;list-style:none;padding:0}
.pcard{width:100%;text-align:left;border:0;cursor:pointer;background:var(--card);border-radius:var(--r);padding:16px 18px;display:grid;grid-template-columns:auto 1fr auto;gap:2px 12px;align-items:center;transition:transform .3s var(--spring),box-shadow .3s var(--ease);min-height:72px}
.pcard:hover,.pcard.on{box-shadow:var(--shadow)}
.pcard:active{transform:scale(.98)}
.pcard .dot{grid-row:span 2;width:10px;height:10px;border-radius:50%}
.pcard .code{font:600 17px/1.2 "SF Mono",ui-monospace,Menlo,monospace;letter-spacing:0}
.pcard .sub{grid-column:2;font-size:13px;color:var(--label2);line-height:1.35}
.pcard .chev{grid-row:1/span 2;grid-column:3;width:8px;height:8px;border:solid var(--label3);border-width:1.6px 1.6px 0 0;transform:rotate(45deg)}
.pcard[hidden]{display:none}

/* Approach */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;list-style:none;padding:0;margin:0;counter-reset:s}
.step{background:var(--card);border-radius:var(--r);padding:24px 20px 26px;position:relative}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--fill);color:var(--label);font-size:15px;font-weight:600;margin-bottom:28px}
.step:nth-child(3) .num{background:var(--tint);color:var(--tint-ink)}
.step h3{font-size:19px;font-weight:600;margin:0 0 6px;letter-spacing:-.015em}
.step p{margin:0;font-size:15px;color:var(--label2);line-height:1.42}
.progress{height:4px;border-radius:2px;background:var(--fill);margin:0 0 28px;overflow:hidden}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--label3),var(--tint));border-radius:2px;transition:width 1.6s var(--spring)}
.in .progress i,.no-js .progress i{width:100%}

/* Team */
.team{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.person{background:var(--card);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:4px}
.alt .person{background:var(--card)}
.avatar{width:88px;height:88px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:600;letter-spacing:-.02em;margin-bottom:18px;color:#fff;background:linear-gradient(135deg,#8e8e93,#48484a)}
.avatar.cu{background:linear-gradient(135deg,#e0915a,#9a4f20)}
.avatar.ink{background:#1d1d1f}
.avatar.ink svg{width:40px;height:40px}
.person h3{font-size:21px;font-weight:600;margin:0;letter-spacing:-.015em}
.person .role{color:var(--label2);font-size:15px}
.person.feature{grid-row:span 1}
.bio{margin-top:16px;color:var(--label2);font-size:15px;line-height:1.5}
.bio p{margin:0 0 10px}
.bio .rest{display:none}
.bio.open .rest{display:block}
.disclose{margin-top:6px;background:none;border:0;padding:0;color:var(--link);cursor:pointer;font-size:15px;min-height:44px;display:inline-flex;align-items:center;gap:6px;align-self:flex-start}
.disclose::after{content:"";width:6px;height:6px;border:solid currentColor;border-width:0 1.6px 1.6px 0;transform:rotate(45deg) translateY(-2px);transition:transform .3s var(--spring)}
.disclose[aria-expanded="true"]::after{transform:rotate(-135deg) translateY(-2px)}
.types{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 4px}
.types span{font-size:12px;font-weight:500;padding:4px 9px;border-radius:980px;background:var(--fill);color:var(--label)}

/* Why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why > div{background:var(--card);border-radius:var(--r-lg);padding:32px 28px 36px}
.alt .why > div{background:var(--card)}
.ico{width:44px;height:44px;color:var(--tint);margin-bottom:22px}
.why h3{font-size:21px;font-weight:600;margin:0 0 8px;letter-spacing:-.015em}
.why p{margin:0;color:var(--label2);font-size:17px}

/* Contact */
.contact .mail{display:inline-block;font-size:clamp(28px,4.4vw,48px);font-weight:600;letter-spacing:-.02em;margin-top:28px;background:linear-gradient(90deg,var(--tint),#e0915a);-webkit-background-clip:text;background-clip:text;color:transparent}
.contact .mail:hover{text-decoration:none;opacity:.85}

/* Footer */
footer{background:var(--bg2);color:var(--label2);font-size:12px;line-height:1.5;padding:20px 0 28px}
footer .wrap{max-width:1024px}
footer .legal{padding:12px 0;border-bottom:.5px solid var(--sep)}
footer .row{display:flex;justify-content:space-between;gap:16px;padding-top:14px;flex-wrap:wrap}
footer a{color:var(--label2)}

/* ---------- Sheet (modal) ---------- */
.scrim{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility 0s .35s}
.scrim.show{opacity:1;visibility:visible;transition:opacity .3s var(--ease)}
.sheet{width:min(720px,100%);max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);transform:translateY(40px) scale(.97);transition:transform .45s var(--spring);outline:none}
.scrim.show .sheet{transform:none}
.grabber{display:none;width:36px;height:5px;border-radius:3px;background:var(--fill2);margin:8px auto 0}
.sh-top{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:8px;padding:14px 16px;background:color-mix(in srgb,var(--card) 85%,transparent);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}
.sh-top .pager{display:flex;gap:4px}
.icon-btn{width:32px;height:32px;border-radius:50%;border:0;background:var(--fill);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--label2);position:relative}
.icon-btn::before{content:"";position:absolute;inset:-6px}
.icon-btn:hover{background:var(--fill2);color:var(--label)}
.icon-btn svg{width:14px;height:14px}
.sh-top .x{margin-left:auto}
.sh-pos{font-size:13px;color:var(--label3);margin-left:6px}
.sh-body{padding:4px 32px 36px}
.sh-group{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--label2)}
.sh-group i{width:9px;height:9px;border-radius:50%}
.sh-code{font:700 clamp(44px,7vw,64px)/1 "SF Mono",ui-monospace,Menlo,monospace;letter-spacing:-.03em;margin:8px 0 6px}
.sh-type{font-size:21px;font-weight:600;letter-spacing:-.015em;margin:0 0 4px}
.sh-meta{color:var(--label2);font-size:15px;margin:0}
.facts{display:grid;grid-template-columns:repeat(3,1fr);margin:24px 0 8px;background:var(--bg2);border-radius:var(--r);overflow:hidden}
.facts div{padding:14px 16px;font-size:15px;font-weight:500;line-height:1.3}
.facts div+div{box-shadow:inset .5px 0 0 var(--sep)}
.facts span{display:block;font-size:12px;font-weight:400;color:var(--label3);margin-bottom:4px}
.stage-pill{display:inline-block;padding:3px 9px;border-radius:980px;background:color-mix(in srgb,var(--tint) 14%,transparent);color:var(--link);font-size:13px;font-weight:600}
.sh-sec{padding:18px 0;border-bottom:.5px solid var(--sep)}
.sh-sec:last-of-type{border-bottom:0}
.sh-sec h4{margin:0 0 6px;font-size:13px;font-weight:600;color:var(--label3);text-transform:uppercase;letter-spacing:.04em}
.sh-sec p{margin:0;font-size:17px;line-height:1.5}
.sh-tr{font-size:13px;color:var(--label3);margin-top:12px}
.sh-cta{margin-top:20px}
body.locked{overflow:hidden}

/* ---------- Motion ---------- */
.js .reveal{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform 1.1s var(--spring)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}.js .reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:1068px){
  .steps{grid-template-columns:repeat(3,1fr)}
  .team{grid-template-columns:1fr 1fr}
  .person.feature{grid-column:1/-1;order:-1}
}
@media (max-width:834px){
  .links,.bar .seg{display:none}
  .menu-btn{display:inline-flex;flex-direction:column}
  .tiles{grid-template-columns:1fr}
  .tile{min-height:420px}
  .why{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .steps{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:76%;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -22px;padding:0 22px 8px;scroll-padding:0 22px;scrollbar-width:none}
  .steps::-webkit-scrollbar{display:none}
  .step{scroll-snap-align:start}
}
@media (max-width:640px){
  body{font-size:17px}
  .team{grid-template-columns:1fr}
  .mk .lbl{display:none}
  .mk{transform:translate(-50%,-50%)!important;padding:8px}
  .mk .dot{width:11px;height:11px}
  .tip{display:none}
  .plist{grid-template-columns:1fr;gap:0;background:var(--card);border-radius:var(--r);overflow:hidden}
  .plist li+li .pcard{box-shadow:inset 0 .5px 0 var(--sep)}
  .pcard{border-radius:0;padding:14px 16px}
  .pcard:hover,.pcard.on{box-shadow:none;background:var(--fill)}
  .plist li+li .pcard:hover{box-shadow:inset 0 .5px 0 var(--sep)}
  .scrim{align-items:flex-end;padding:0}
  .sheet{border-radius:var(--r-lg) var(--r-lg) 0 0;max-height:92dvh;transform:translateY(100%)}
  .grabber{display:block}
  .sh-body{padding:0 20px calc(28px + env(safe-area-inset-bottom))}
  .facts{grid-template-columns:1fr}
  .facts div{display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:right}
  .facts div+div{box-shadow:inset 0 .5px 0 var(--sep)}
  .facts span{margin:0;font-size:15px;color:var(--label2);text-align:left}
  .seg.lg button{padding:8px 18px}
  .ctas{gap:20px}
}

/* Key parameters table in project sheet */
.specs{margin:4px 0 0;display:grid}
.specs div{display:grid;grid-template-columns:minmax(140px,38%) 1fr;gap:16px;padding:9px 0;border-top:.5px solid var(--sep)}
.specs div:first-child{border-top:0}
.specs dt{color:var(--label2);font-size:15px}
.specs dd{margin:0;font-size:15px;line-height:1.4}
@media (max-width:640px){.specs div{grid-template-columns:1fr;gap:2px}.specs dt{font-size:13px}}