/* BikeStudio landing — automotive/orange-led marketing surface.
   Tokens from ~/branding/ui_ux_reference.md + docs/design/partner-map-preview.html */
:root{
  --bg:#FFFFFF; --surface:#F7F9FB; --raised:#EEF1F5;
  --line:#E4E8EE; --line-strong:#CBD2DC;
  --text:#0B0F14; --text-2:#5A6472; --text-3:#9AA4B2;
  --chrome:#161B22; --chrome-2:#222A35; --chrome-line:#2E3743;
  --chrome-text:#F2F4F6; --chrome-text-2:#9AA4B2;
  --accent:#E84A1A; --accent-700:#B83A12; --accent-soft:#FDECE4; --accent-ink:#B83A12;
  --blue:#1E7FD6; --ok:#16A34A;
  --map-land:#F1EFE8;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --carbon:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 6px),
           repeating-linear-gradient(-45deg,rgba(255,255,255,.035) 0 2px,transparent 2px 6px);
  --gutter:16px; --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--sans); font-size:15px; line-height:1.6; font-weight:400;
  overflow-x:hidden;
}
img,svg{max-width:100%}
img{display:block;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(232,74,26,.35);border-radius:8px}

h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.015em;line-height:1.2;text-wrap:balance}
h1{font-size:clamp(30px,7.2vw,52px)}
h2{font-size:clamp(23px,4vw,32px);line-height:1.25}
h3{font-size:18px;line-height:1.35}
p{margin:0}
.lede{font-size:clamp(16px,2.1vw,18px);line-height:1.6;color:var(--text-2)}
.muted{color:var(--text-2)}
.small{font-size:13px;line-height:1.5;color:var(--text-2)}
.tiny{font-size:12px;line-height:1.5;color:var(--text-3)}
.kicker{font-size:11px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--text-3)}
.mono{font-family:var(--mono);font-weight:500}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);width:100%}
.section{padding:56px 0}
.section--tight{padding:44px 0}
.section--surface{background:var(--surface);border-block:1px solid var(--line)}
.section-head{max-width:680px;display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:60;background:#fff;color:var(--text);padding:10px 16px;border-radius:8px;border:1px solid var(--line-strong)}

/* ---------- icons ---------- */
.ico{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.ico--sm{width:16px;height:16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 22px;border-radius:8px;border:1px solid transparent;
  font:500 15px/1.2 var(--sans);color:var(--text);background:transparent;
  text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s,color .15s;
}
.btn:hover{text-decoration:none}
.btn:active{transform:scale(.97)}
.btn--cta{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn--cta:hover{background:var(--accent-700);border-color:var(--accent-700)}
.btn--sec{border-color:var(--accent);color:var(--accent-ink);background:var(--bg)}
.btn--sec:hover{background:var(--accent-soft)}
.btn--ter{border-color:var(--line-strong);color:var(--text);background:var(--bg)}
.btn--ter:hover{background:var(--raised)}
.btn--onchrome{border-color:var(--chrome-line);color:var(--chrome-text);background:var(--chrome-2)}
.btn--onchrome:hover{background:#2B3542}
.btn--sm{min-height:40px;padding:8px 16px;font-size:14px}
.btn--soon{border-color:var(--line-strong);color:var(--text-3);background:var(--surface);cursor:default}
.btn--soon:active{transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:12px;
  font-size:11px;font-weight:500;white-space:nowrap}
.badge--partner{background:var(--raised);color:var(--text-2);border:1px solid var(--line-strong)}
.badge--pro{background:var(--accent-soft);color:var(--accent-ink);border:1px solid rgba(232,74,26,.35)}
.badge--tune{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:12px;
  font-size:12px;font-weight:500;background:var(--accent-soft);color:var(--accent-ink);
  border:1px solid rgba(232,74,26,.3);align-self:flex-start}

/* ---------- header ---------- */
.site-header{position:static;z-index:50;background:var(--chrome);background-image:var(--carbon);
  border-bottom:1px solid var(--chrome-line);color:var(--chrome-text)}
.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:64px;padding-block:10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--chrome-text);font-weight:600;font-size:17px;
  letter-spacing:-.01em;margin-right:auto}
.brand:hover{text-decoration:none}
.brand img{height:30px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.nav a{color:var(--chrome-text-2);font-size:14px;font-weight:500}
.nav{gap:18px}
.nav a:hover{color:var(--chrome-text);text-decoration:none}
.lang{display:flex;align-items:center;gap:2px;font-size:12px;font-weight:500;color:var(--chrome-text-2)}
.lang a{color:var(--chrome-text-2);padding:4px 6px;border-radius:6px}
.lang a:hover{color:var(--chrome-text);background:var(--chrome-2);text-decoration:none}
.lang [aria-current]{color:var(--chrome-text);background:var(--chrome-2);padding:4px 6px;border-radius:6px}
.lang span[aria-hidden]{color:var(--chrome-line)}

/* ---------- hero ---------- */
.hero{padding:44px 0 56px}
.hero .wrap{display:grid;gap:36px;align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:20px;max-width:620px}
.hero-copy .btn-row{margin-top:4px}
.trust{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:8px;padding-top:18px;border-top:1px solid var(--line)}
.trust li{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2)}
.trust .ico{color:var(--ok)}
ul.trust{list-style:none;margin:0;padding:18px 0 0}

/* map plate + device */
.plate{position:relative;border:1px solid var(--line-strong);border-radius:16px;overflow:hidden;
  background:var(--map-land);padding:28px 20px;display:flex;justify-content:center}
.plate::before{content:"";position:absolute;inset:-20%;
  background:
    linear-gradient(90deg,transparent 0 46%,#E6E3D9 46% 48%,transparent 48%),
    linear-gradient(18deg,transparent 0 22%,#E6E3D9 22% 23.4%,transparent 23.4%),
    linear-gradient(112deg,transparent 0 64%,#E6E3D9 64% 65.6%,transparent 65.6%),
    linear-gradient(0deg,transparent 0 73%,#EAE7DE 73% 74.4%,transparent 74.4%),
    linear-gradient(75deg,transparent 0 37%,#EDEAE1 37% 38%,transparent 38%);
}
.plate::after{content:"";position:absolute;left:8%;top:12%;width:26%;height:22%;border-radius:10px;
  background:#E4E8DC}
.plate>*{position:relative;z-index:1}
.pin{position:absolute;z-index:1;width:26px;height:33px;filter:none}
.pin--a{left:9%;top:16%}
.pin--b{right:11%;top:26%}
.pin--c{left:14%;bottom:16%}
.pin--d{right:16%;bottom:12%}
.device{width:min(300px,100%);border-radius:32px;border:1px solid #0A0D11;overflow:hidden;
  box-shadow:inset 0 0 0 6px #0A0D11,0 12px 32px rgba(11,15,20,.18);background:#fff;position:relative}
.device img{width:100%}
.device .preview-pill{position:absolute;top:14px;left:50%;transform:translateX(-50%);z-index:2;
  background:rgba(11,15,20,.82);color:#fff;border:1px solid rgba(255,255,255,.18);
  padding:4px 12px;border-radius:12px;font-size:11px;font-weight:500;letter-spacing:.06em;text-transform:uppercase}

/* ---------- steps ---------- */
.grid{display:grid;gap:20px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px;
  display:flex;flex-direction:column;gap:10px}
.section--surface .card{background:var(--surface-2,#fff)}
.card--auto{border-left:4px solid var(--accent)}
.card h3{display:flex;align-items:center;gap:10px}
.step-no{width:28px;height:28px;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink);
  display:grid;place-items:center;font:600 13px var(--mono);flex:0 0 auto}
.tile{width:36px;height:36px;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink);
  display:grid;place-items:center;flex:0 0 auto}
.tiers{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.tiers li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.tiers .badge{flex:0 0 auto;min-width:106px;justify-content:center}
.tiers li{align-items:flex-start}

/* ---------- product shots ---------- */
.shot{border:1px solid var(--line-strong);border-radius:12px;overflow:hidden;background:var(--bg)}
.shot-bar{display:flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  background:var(--chrome);background-image:var(--carbon);border-bottom:1px solid var(--chrome-line)}
.shot-bar i{width:8px;height:8px;border-radius:4px;background:var(--chrome-line);display:block}
.shot img{width:100%}
.shot-cap{display:flex;flex-direction:column;gap:6px}
figure.shot-fig{margin:0;display:flex;flex-direction:column;gap:14px}
figure.shot-fig figcaption{order:-1}

/* ---------- partner band ---------- */
.band{background:var(--chrome);background-image:var(--carbon);color:var(--chrome-text);
  border-block:1px solid var(--chrome-line);position:relative;padding:52px 0}
.hazard{height:6px;background:repeating-linear-gradient(-45deg,var(--accent) 0 10px,#161B22 10px 14px)}
.band h2{color:var(--chrome-text)}
.band p{color:var(--chrome-text-2)}
.band .wrap{display:grid;gap:24px;align-items:center}
.band-copy{display:flex;flex-direction:column;gap:14px;max-width:640px}
.stripe{position:relative;padding-left:14px}
.stripe::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;background:var(--accent);border-radius:2px}

/* ---------- get the app ---------- */
.app-grid{display:grid;gap:28px;align-items:start}
.qr{border:1px solid var(--line-strong);border-radius:12px;background:var(--bg);padding:16px;
  display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center;width:min(240px,100%)}
.qr img{width:160px;height:160px;border-radius:4px}
.store-row{display:flex;flex-direction:column;gap:10px;align-items:flex-start}

/* ---------- footer ---------- */
.site-footer{background:var(--chrome);background-image:var(--carbon);color:var(--chrome-text-2);
  border-top:1px solid var(--chrome-line);padding:40px 0 36px}
.site-footer .wrap{display:flex;flex-direction:column;gap:20px}
.foot-nav{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px}
.foot-nav a{color:var(--chrome-text-2)}
.foot-nav a:hover{color:var(--chrome-text)}
.foot-brand{display:flex;align-items:center;gap:10px;color:var(--chrome-text);font-weight:600}
.foot-brand img{height:44px;width:auto;display:block}
.foot-fine{display:flex;flex-direction:column;gap:6px;font-size:12px;line-height:1.5;color:#6E7887;
  border-top:1px solid var(--chrome-line);padding-top:18px}

/* ---------- breakpoints ---------- */
@media (max-width:639px){
  .btn{white-space:normal;text-align:center;max-width:100%}
  .btn-row .btn,.store-row .btn{width:100%}
  .site-header .wrap .btn{width:auto}
}
@media (min-width:640px){
  .grid--3,.grid--2{grid-template-columns:repeat(2,1fr)}
  .store-row{flex-direction:row;align-items:center;flex-wrap:wrap}
}
@media (min-width:900px){
  .site-header{position:sticky;top:0}
  .section{padding:80px 0}
  .section--tight{padding:64px 0}
  .hero{padding:64px 0 88px}
  .hero .wrap{grid-template-columns:1.05fr .95fr;gap:56px}
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .band{padding:72px 0}
  .band .wrap{grid-template-columns:1.4fr auto}
  .app-grid{grid-template-columns:1fr auto;gap:48px}
  .device{width:min(330px,100%)}
  .plate{padding:40px 24px}
  .site-footer .wrap{gap:24px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
  .btn:active{transform:none}
}

/* ---------- legal pages (privacy, terms) ---------- */
.legal{padding:40px 0 64px;font-size:16px}
.legal .wrap{max-width:calc(70ch + 2 * var(--gutter))}
.legal h1{font-size:clamp(28px,5vw,40px);margin:8px 0 16px}
.legal h2{font-size:22px;margin:40px 0 12px}
.legal h3{font-size:16px;margin:20px 0 8px}
.legal p{margin:0 0 12px}
.legal ul,.legal ol{margin:0 0 12px;padding-left:22px}
.legal li{margin:0 0 8px}
.legal .lede{margin-bottom:12px}
.legal-meta{margin-bottom:0}
.legal section{scroll-margin-top:88px}
.toc{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:16px 20px;margin:24px 0 8px}
.toc ol{list-style:none;margin:0;padding:0;columns:2;column-gap:24px}
.toc li{margin:0 0 6px;font-size:14px;break-inside:avoid}
.legal table{border-collapse:collapse;width:100%;font-size:14px;margin:0 0 16px}
.legal th,.legal td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.legal th{font-weight:500;color:var(--text-2)}
@media (max-width:639px){.toc ol{columns:1}}