/* Mainspring Watch Co · concept store by Brand Evolution */
:root{
  --ivory:#EFEBE3;
  --ivory-2:#E6E0D4;
  --ink:#121513;
  --ink-2:#2B302D;
  --muted:#5D635F;
  --green:#0E1A16;
  --green-2:#15251F;
  --mint:#C9D6CE;
  --signal:#D94F1E;
  --signal-dk:#B83E12;
  --brass:#C9A25A;
  --line:rgba(18,21,19,.14);
  --line-dk:rgba(239,235,227,.16);
  --display:"Instrument Serif", Georgia, serif;
  --body:"Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"JetBrains Mono", ui-monospace, Menlo, monospace;
  --gutter:clamp(16px,4vw,56px);
  --ease:cubic-bezier(.2,.8,.2,1);
  /* shop tokens */
  --cs-bg:var(--ivory);--cs-fg:var(--ink);--cs-muted:var(--muted);--cs-line:var(--line);
  --cs-accent:var(--signal);--cs-accent-fg:#fff;--cs-display:var(--display);--cs-radius:4px;
  --cs-card:radial-gradient(110% 80% at 50% 42%,#FBF9F4 0%,#ECE6DA 62%,#DDD5C6 100%);
  --cs-heart-bg:rgba(239,235,227,.8);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--ivory)}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--body);font-size:16.5px;line-height:1.6;overflow-x:hidden}
svg{display:block}
a{color:inherit}
p{margin:0}
h1,h2,h3{margin:0}
em{font-family:var(--display);font-style:italic;font-weight:400}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--ink);color:var(--ivory);padding:10px 14px}
.skip:focus{left:8px}
button{font:inherit;color:inherit}
.cs-qv-info h2,.cs-dh h2{font-weight:400}

/* NAV: glass tinted to the section beneath (light over ivory, dark over green) */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px var(--gutter);color:var(--ink);transition:background .35s,box-shadow .35s,padding .35s,color .35s}
.nav.solid{background:rgba(239,235,227,.8);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);box-shadow:0 1px 0 var(--line);padding-top:10px;padding-bottom:10px}
.nav.on-dark{color:var(--ivory)}
.nav.solid.on-dark{background:rgba(14,26,22,.78);box-shadow:0 1px 0 var(--line-dk)}
.nav.on-dark .icon-btn:hover{background:var(--line-dk)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand b{font-family:var(--display);font-style:italic;font-weight:400;font-size:1.25em;color:var(--signal)}
.brand svg{width:30px;height:30px}
.nav nav{display:flex;gap:28px;font-size:14.5px;font-weight:600}
.nav nav a{text-decoration:none;opacity:.78}
.nav nav a:hover{opacity:1}
.nav-icons{display:flex;gap:6px}
.icon-btn{position:relative;width:44px;height:44px;border:0;background:transparent;border-radius:50%;display:grid;place-items:center;cursor:pointer;transition:background .2s;color:inherit}
.icon-btn:hover{background:var(--line)}
.icon-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round}
.count{position:absolute;right:3px;top:3px;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:var(--signal);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;line-height:1}
.count.zero{display:none}
@media (max-width:900px){.nav nav{display:none}}

/* HERO */
.gw-hero{position:relative;min-height:100vh;padding:96px var(--gutter) 0;display:flex;flex-direction:column;overflow:hidden;background:radial-gradient(60% 55% at 74% 40%,#F9F6EF 0%,rgba(239,235,227,0) 70%),var(--ivory)}
.gw-hero-grid{flex:1;display:grid;grid-template-columns:minmax(320px,.92fr) 1.08fr;gap:clamp(24px,4vw,64px);align-items:center;position:relative;z-index:2}
.gw-copy{display:flex;flex-direction:column;gap:18px;min-width:0;padding-bottom:18px}
.gw-issue{display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.gw-issue span:first-child{color:var(--signal)}
.gw-hero h1{font-weight:800;font-size:clamp(44px,5.4vw,88px);line-height:.94;letter-spacing:-.035em}
.gw-hero h1 em{font-size:1.08em;letter-spacing:-.01em;color:var(--signal)}
.gw-lede{font-size:clamp(16px,1.25vw,18.5px);color:var(--muted);max-width:46ch}
.gw-clock{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}
.gw-clock b{font-family:var(--mono);font-weight:600;font-size:15px;font-variant-numeric:tabular-nums;color:var(--ink)}
.gw-dot{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px rgba(217,79,30,.16);animation:gwBlink 1s steps(2) infinite}
@keyframes gwBlink{50%{opacity:.35}}

.gw-config{display:flex;flex-direction:column;gap:10px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.gw-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.gw-lbl{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);min-width:64px}
.gw-row>button{appearance:none;border:0;background:transparent;box-shadow:inset 0 0 0 1.5px var(--line);padding:8px 14px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;transition:background .25s,box-shadow .25s,color .25s}
.gw-row>button:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.gw-row>button[aria-pressed="true"]{background:var(--ink);color:var(--ivory);box-shadow:none}
.gw-dials{display:flex;gap:8px}
.gw-dial{appearance:none;width:30px;height:30px;border-radius:50%;border:0;padding:0;cursor:pointer;background:var(--sw);box-shadow:inset 0 0 0 1px rgba(0,0,0,.2),0 0 0 2px var(--ivory),0 0 0 3px transparent;transition:box-shadow .25s,transform .25s}
.gw-dial:hover{transform:scale(1.1)}
.gw-dial[aria-pressed="true"]{box-shadow:inset 0 0 0 1px rgba(0,0,0,.2),0 0 0 2px var(--ivory),0 0 0 3.5px var(--ink)}
.gw-dialname{font-size:13.5px;color:var(--muted);margin-left:4px}

.gw-card{display:grid;grid-template-columns:76px 1fr auto;gap:14px;align-items:center;background:rgba(255,255,255,.62);border:1px solid var(--line);border-radius:6px;padding:8px 12px 8px 8px;max-width:480px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 24px 50px -32px rgba(18,21,19,.5)}
.gw-card-art{width:76px;aspect-ratio:4/5;border-radius:4px;overflow:hidden;background:var(--cs-card)}
.gw-card-art svg{width:100%;height:100%}
.gw-card-body{min-width:0}
.gw-card-no{font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--signal)}
.gw-card-name{font-size:17px;font-weight:700;line-height:1.15;letter-spacing:-.01em}
.gw-card-var{font-size:12.5px;color:var(--muted)}
.gw-card-price{font-weight:800;font-size:16px;font-variant-numeric:tabular-nums}
.gw-card-actions{display:flex;flex-direction:column;gap:6px;align-items:stretch}
.gw-card-add{border:0;background:var(--signal);color:#fff;font-weight:700;font-size:13.5px;padding:10px 14px;border-radius:999px;cursor:pointer;transition:background .25s,transform .25s}
.gw-card-add:hover{background:var(--signal-dk);transform:translateY(-1px)}
.gw-card-heart{position:static;width:36px;height:36px;align-self:center;background:transparent;box-shadow:inset 0 0 0 1px var(--line)}
.gw-card.swap .gw-card-body,.gw-card.swap .gw-card-art{animation:gwSwap .5s var(--ease)}
@keyframes gwSwap{from{opacity:.2;transform:translateY(5px)}to{opacity:1;transform:none}}

/* stage: the watch is fitted inside with margin and never leaves this box */
.gw-stage{position:relative;height:min(76vh,700px);min-height:420px;border-radius:8px;overflow:hidden;background:radial-gradient(55% 50% at 50% 46%,#FFFFFF 0%,#F1ECE2 55%,#E2DACB 100%);box-shadow:inset 0 0 0 1px var(--line)}
.gw-stage::after{content:"";position:absolute;left:22%;right:22%;bottom:5%;height:10%;background:radial-gradient(closest-side,rgba(18,21,19,.18),transparent);pointer-events:none}
.gw-gl{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity .9s ease;z-index:1}
.gw-stage.gl-ready .gw-gl{opacity:1}
.gw-fallback{position:absolute;inset:6% 14% 8%;display:grid;place-items:center;transition:opacity .7s ease}
.gw-fallback svg{width:100%;height:100%}
.gw-stage.gl-ready .gw-fallback{opacity:0}
.gw-stage-tag{position:absolute;right:16px;top:14px;z-index:2;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);pointer-events:none}
.gw-stage-tag span{color:var(--ink);border:1px solid var(--line);padding:2px 6px;border-radius:4px;margin-right:6px}
.gw-stage-hint{position:absolute;left:16px;bottom:14px;z-index:2;font-size:12px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:8px;pointer-events:none}
.gw-hint-dot{width:6px;height:6px;border-radius:50%;background:var(--signal)}

.gw-wordmark{font-weight:800;font-size:15.5vw;line-height:.78;letter-spacing:-.06em;white-space:nowrap;text-align:center;margin:22px calc(var(--gutter) * -1) 0;padding-bottom:.04em;color:transparent;-webkit-text-stroke:1.5px rgba(18,21,19,.22);user-select:none;position:relative;z-index:1}

@media (max-width:900px){
  .gw-hero{padding-top:78px}
  .gw-hero-grid{grid-template-columns:1fr}
  .gw-stage{order:-1;height:56vh;min-height:330px}
  .gw-card{max-width:none}
}
@media (max-width:520px){
  .gw-card{grid-template-columns:62px 1fr;row-gap:8px}
  .gw-card-art{width:62px}
  .gw-card-actions{grid-column:1/-1;flex-direction:row}
  .gw-card-add{flex:1}
  .gw-lbl{min-width:100%}
}

/* ticker */
.gw-ticker{background:var(--ink);color:var(--ivory);overflow:hidden;padding:14px 0;font-weight:700;font-size:13.5px;letter-spacing:.08em;text-transform:uppercase}
.gw-ticker-in{display:flex;gap:28px;width:max-content;animation:gwTick 40s linear infinite}
.gw-ticker i{font-style:normal;color:var(--signal)}
@keyframes gwTick{to{transform:translateX(-50%)}}

/* section heads */
.gw-shop,.gw-wind,.gw-bench{padding:clamp(72px,10vw,140px) var(--gutter)}
.gw-head{display:grid;grid-template-columns:auto 1fr;gap:6px 22px;align-items:end;margin-bottom:clamp(26px,4vw,48px)}
.gw-no{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.06em;color:var(--signal);padding-bottom:.7em}
.gw-no.light{color:#F08A5E}
.gw-head h2,.gw-mv h2{font-weight:800;font-size:clamp(42px,6.6vw,104px);line-height:.92;letter-spacing:-.045em}
.gw-head h2 em,.gw-mv h2 em{font-size:1.06em;letter-spacing:-.01em;color:var(--signal)}
.gw-note{grid-column:2;max-width:56ch;color:var(--muted)}
@media (max-width:620px){.gw-head{grid-template-columns:1fr}.gw-note{grid-column:1}.gw-no{padding-bottom:0}}

/* toolbar */
.gw-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 0;margin-bottom:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:sticky;top:64px;z-index:20;background:rgba(239,235,227,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.gw-chips{display:flex;gap:8px;flex-wrap:wrap}
.gw-tools{display:flex;align-items:center;gap:18px}
.gw-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.gw-sort{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700}
.gw-sort select{font:inherit;font-weight:600;font-size:14px;padding:9px 30px 9px 12px;border:1.5px solid var(--line);background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23121513' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 10px center/11px;appearance:none;-webkit-appearance:none;color:var(--ink);cursor:pointer;border-radius:4px}
.gw-noscript{padding:20px;border:1px dashed var(--line)}
@media (max-width:620px){.gw-toolbar{position:static}.gw-chips{overflow-x:auto;flex-wrap:nowrap;max-width:100%;padding-bottom:4px}.cs-chip{white-space:nowrap}}

/* MOVEMENT (dark) */
.gw-mv{position:relative;background:radial-gradient(70% 60% at 70% 50%,#1C3029 0%,var(--green) 70%);color:var(--ivory)}
.gw-mv-sticky{display:grid;grid-template-columns:minmax(280px,.62fr) 1.38fr;gap:clamp(20px,3vw,48px);align-items:center;padding:96px var(--gutter) 56px;min-height:100vh}
.gw-mv-live{height:440vh}
.gw-mv-live .gw-mv-sticky{position:sticky;top:0;height:100vh;height:100svh;min-height:0}
.gw-mv-copy{display:flex;flex-direction:column;gap:22px;min-width:0}
.gw-mv-steps{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.gw-mv-steps li{padding-left:16px;border-left:2px solid var(--line-dk);opacity:.45;transition:opacity .4s,border-color .4s}
.gw-mv-steps li.on{opacity:1;border-color:var(--signal)}
.gw-mv-steps b{display:block;font-size:15px}
.gw-mv-steps span{font-size:14.5px;color:var(--mint)}
.gw-mv-specs{display:flex;gap:26px;margin:0}
.gw-mv-specs dt{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mint);opacity:.8}
.gw-mv-specs dd{margin:0;font-weight:800;font-size:22px;letter-spacing:-.02em}
.gw-mv-stage{position:relative;height:100%;max-height:820px;min-height:420px;display:grid;grid-template-columns:1fr minmax(150px,.5fr);border-radius:8px;background:radial-gradient(60% 55% at 38% 50%,rgba(201,214,206,.08),transparent 70%);box-shadow:inset 0 0 0 1px var(--line-dk);overflow:hidden}
.gw-mv-view{position:relative;min-width:0}
.gw-mv-gl{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity .9s}
.gw-mv.gl-ready .gw-mv-gl{opacity:1}
.gw-mv-fallback{position:absolute;inset:10%;display:grid;place-items:center;transition:opacity .6s}
.gw-mv-fallback svg{width:100%;height:100%}
.gw-mv.gl-ready .gw-mv-fallback{opacity:0}
.gw-mv-labels{list-style:none;margin:0;padding:0;position:relative;z-index:2}
.gw-mv-labels li{position:absolute;left:14px;right:12px;top:0;transform:translateY(-50%);opacity:0;transition:opacity .35s;line-height:1.2}
.gw-mv-labels b{display:block;font-size:14.5px;font-weight:700}
.gw-mv-labels span{display:block;font-size:12.5px;color:var(--mint)}
.gw-mv-leaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
.gw-mv-leaders path{fill:none;stroke:rgba(239,235,227,.45);stroke-width:1}
.gw-mv-leaders circle{fill:var(--signal)}
/* static fallback (no WebGL / reduced motion): show the list plainly */
.gw-mv:not(.gl-ready) .gw-mv-labels{display:flex;flex-direction:column;justify-content:center;gap:12px;padding:16px}
.gw-mv:not(.gl-ready) .gw-mv-labels li{position:static;transform:none;opacity:1}
@media (max-width:900px){
  .gw-mv-sticky{grid-template-columns:1fr;grid-template-rows:auto 1fr;align-items:stretch;padding-top:74px;padding-bottom:18px;gap:14px}
  .gw-mv-copy{gap:10px}
  .gw-mv h2{font-size:clamp(36px,9vw,56px)}
  .gw-mv-steps li{display:none;border:0;padding:0}
  .gw-mv-steps li.on{display:block}
  .gw-mv-specs{display:none}
  .gw-mv-stage{min-height:0;grid-template-columns:1fr 128px}
  .gw-mv-labels span{display:none}
  .gw-mv-labels b{font-size:13px}
  .gw-mv-labels li{left:8px}
}

/* WIND */
.gw-wind{background:var(--ivory-2)}
.gw-wind-grid{display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,6vw,90px);align-items:center}
.gw-wind-toy{position:relative;display:flex;align-items:center;gap:0}
.gw-spring{width:min(340px,62vw);height:auto}
.gw-coil{transition:d .2s}
.gw-crown{width:96px;height:180px;margin-left:-6px;cursor:ns-resize;touch-action:none;border-radius:10px;display:grid;place-items:center}
.gw-crown svg{width:96px;height:96px;overflow:visible}
.gw-crown:focus-visible{outline-offset:-2px}
.gw-crown.grab{cursor:grabbing}
.gw-wind-read{display:flex;flex-direction:column;gap:16px;min-width:0}
.gw-reserve{display:flex;align-items:baseline;gap:14px;font-weight:800;line-height:.9}
.gw-res-num{font-size:clamp(84px,12vw,170px);letter-spacing:-.06em;font-variant-numeric:tabular-nums;min-width:2ch}
.gw-reserve small{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(24px,2.6vw,36px);color:var(--signal)}
.gw-res-msg{font-size:16px;color:var(--ink-2)}
.gw-res-msg b{font-family:var(--mono)}
.gw-wind-list{margin:0;padding:0 0 0 18px;display:grid;gap:6px;color:var(--muted);max-width:52ch}
.gw-wind-list b{color:var(--ink)}
@media (max-width:760px){.gw-wind-grid{grid-template-columns:1fr}.gw-wind-toy{justify-content:center}.gw-crown{width:76px;height:150px}.gw-crown svg{width:76px;height:76px}}

/* BENCH */
.gw-bench-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(28px,5vw,72px)}
.gw-bench-text{font-size:clamp(18px,1.6vw,23px);line-height:1.5;max-width:52ch}
.gw-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0;align-self:start}
.gw-facts div{border-top:2px solid var(--ink);padding-top:12px}
.gw-facts dt{font-weight:800;font-size:clamp(38px,4.4vw,64px);letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}
.gw-facts dd{margin:6px 0 0;font-size:13.5px;color:var(--muted)}
.gw-origin{grid-column:1/-1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.gw-origin li{padding:18px 18px 18px 0;border-bottom:1px solid var(--line)}
.gw-origin b{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--signal)}
.gw-origin span{font-size:15px}
@media (max-width:820px){.gw-bench-grid{grid-template-columns:1fr}.gw-origin{grid-template-columns:1fr 1fr}}
@media (max-width:420px){.gw-facts{grid-template-columns:1fr 1fr 1fr;gap:10px}.gw-facts dt{font-size:32px}}

/* FOOTER (dark) */
.gw-foot{background:var(--green);color:var(--ivory);padding:70px var(--gutter) 90px;overflow:hidden}
.gw-foot-big{font-weight:800;font-size:13.5vw;line-height:.8;letter-spacing:-.06em;white-space:nowrap;margin:0 calc(var(--gutter) * -1) 40px;text-align:center;color:transparent;-webkit-text-stroke:1.5px rgba(239,235,227,.3)}
.gw-foot-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.gw-foot address{font-style:normal;color:var(--mint);font-size:14.5px}
.gw-foot nav{display:flex;gap:20px;flex-wrap:wrap;font-weight:600;font-size:14.5px}
.gw-foot nav a{text-decoration:none}
.gw-foot nav a:hover{color:#F08A5E}
.gw-fine{margin-top:24px;font-size:12.5px;color:var(--mint);opacity:.8}

/* reveals */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}

.concept-badge{position:fixed;left:14px;bottom:14px;z-index:60;font-size:12px;font-weight:700;letter-spacing:.02em;text-decoration:none;background:rgba(18,21,19,.88);color:var(--ivory);padding:8px 12px;border-radius:999px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.concept-badge:hover{background:var(--signal)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .gw-ticker-in,.gw-dot{animation:none}
  .js .rv{opacity:1;transform:none;transition:none}
  .gw-mv-live{height:auto}
  .gw-mv-live .gw-mv-sticky{position:relative;height:auto;min-height:100vh}
}
@media (max-width:560px){.gw-stage{height:44vh;min-height:300px}}