/* ============================================================
   BIRIKI GAMES — studio landing (light)
   Standalone stylesheet: the landing is the only light-surface
   page, while css/biriki.css stays dark-first for every game /
   support / privacy page. Keeping them apart means a token
   change here can never break those six pages.

   Design source: design_handoff_biriki_landing
   ============================================================ */

:root{
  /* Surfaces */
  --paper:#F1EFEA;
  --paper-raised:#FBFAF8;
  --card:#FFFFFF;

  /* Text */
  --ink:#161227;
  --body:#5C5674;
  --muted:#8B85A3;
  --word-dim:#C7C3D4;

  /* Brand */
  --violet:#5B4BE1;
  --gold:#FFC24B;
  --live:#1D9E75;

  /* Hairlines, lightest → heaviest */
  --line-1:rgba(22,18,39,.06);
  --line-2:rgba(22,18,39,.08);
  --line-3:rgba(22,18,39,.09);
  --line-4:rgba(22,18,39,.12);
  --line-5:rgba(22,18,39,.13);

  /* Radius — only five values (plus the device-shell exception) */
  --r-badge:14px;
  --r-icon:16px;
  --r-card:24px;
  --r-feature:32px;
  --r-pill:100px;

  --shadow-1:0 18px 44px -30px rgba(22,18,39,.45);
  --shadow-2:0 30px 70px -34px rgba(22,18,39,.6);

  --f-display:"Cabinet Grotesk","Trebuchet MS",system-ui,sans-serif;
  --f-body:"Satoshi","Segoe UI",system-ui,sans-serif;
  --f-mono:"DM Mono",ui-monospace,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --spring:cubic-bezier(.18,.89,.32,1.28);

  --wrap:1240px;
  --gutter:30px;
  --section-y:clamp(70px,9vw,120px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);
  color:var(--body);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--gold);color:var(--ink)}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
p{text-wrap:pretty}
h1,h2,h3{text-wrap:balance;font-family:var(--f-display);font-weight:800;color:var(--ink);line-height:1.02}
h1{font-size:clamp(2.6rem,6.2vw,5.2rem);letter-spacing:-.035em}
h2{font-size:clamp(2rem,4.4vw,3.4rem);letter-spacing:-.03em}
h3{font-size:clamp(1.9rem,3.2vw,2.7rem);letter-spacing:-.025em}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.band{background:var(--paper-raised);border-block:1px solid var(--line-1)}
.section{padding-block:var(--section-y)}

.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-mono);font-size:.66rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--violet);
}
.kicker::before{content:"";width:22px;height:1.5px;background:currentColor;opacity:.45}
.kicker.bare::before{display:none}
.meta{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- Buttons: anything with a label is a full pill ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-display);font-weight:700;font-size:.94rem;
  padding:13px 22px;border-radius:var(--r-pill);
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.btn.lg{font-size:.98rem;padding:17px 28px}
.btn.primary{background:var(--violet);color:#fff}
.btn.outline{border:1px solid var(--line-4);color:var(--ink)}
.btn.on-ink{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn:hover{transform:translateY(-2px)}
.btn.outline:hover{background:var(--card)}

/* App Store badge — the ONE rounded-rectangle control, mirroring
   Apple's own asset. Placeholder art until the official badge lands. */
.appstore{
  display:inline-flex;flex-direction:column;justify-content:center;
  background:var(--ink);color:#fff;border-radius:var(--r-badge);
  padding:9px 21px;line-height:1.15;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.appstore.lg{padding:11px 26px}
.appstore .top{font-family:var(--f-mono);font-size:.5rem;letter-spacing:.18em;text-transform:uppercase;text-indent:.18em;opacity:.75}
.appstore .name{font-family:var(--f-display);font-weight:800;font-size:1.02rem;letter-spacing:-.02em}
.appstore.lg .name{font-size:1.12rem}
.appstore.white{background:#fff;color:var(--ink)}
.appstore:hover{transform:translateY(-2px)}
.appstore[aria-disabled="true"]{opacity:.55}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(241,239,234,.78);
  backdrop-filter:saturate(1.3) blur(14px);
  -webkit-backdrop-filter:saturate(1.3) blur(14px);
  border-bottom:1px solid rgba(22,18,39,.07);
}
.nav-in{max-width:var(--wrap);margin-inline:auto;padding:15px var(--gutter);display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand img,.brand svg{width:30px;height:30px;border-radius:10px}
.brand span{font-family:var(--f-display);font-weight:800;font-size:1.12rem;letter-spacing:-.02em;color:var(--ink)}
.brand span b{color:var(--violet);font-weight:800}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;white-space:nowrap}
.nav-links a:not(.appstore){font-size:.93rem;font-weight:500;color:var(--body);transition:color .18s var(--ease)}
.nav-links a:not(.appstore):hover{color:var(--violet)}

/* ---------- Hero ---------- */
.hero{text-align:center;padding:clamp(56px,8vw,104px) var(--gutter) clamp(40px,6vw,72px);overflow:hidden}
.hero h1{max-width:17ch;margin:18px auto 0}
.hero h1 .vi{color:var(--violet)}
.hero .lede{
  font-size:clamp(1rem,1.35vw,1.16rem);color:var(--body);
  max-width:52ch;margin:26px auto 0;
}
.hero .lede .nb{white-space:nowrap}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
.scroll-hint{margin-top:34px;font-family:var(--f-mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.scroll-hint i{display:inline-block;font-style:normal;animation:bob 1.8s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* Card fan — screenshots keep their intrinsic aspect ratio, never cropped */
.fan{
  position:relative;display:flex;justify-content:center;align-items:flex-end;
  height:clamp(230px,30vw,350px);width:min(100%,980px);margin:clamp(28px,4vw,44px) auto 0;
}
.fan img{
  height:100%;width:auto;object-fit:contain;
  border-radius:var(--r-card);border:1px solid var(--line-1);
  box-shadow:var(--shadow-2);margin-inline:-1.4vw;
  transform-origin:50% 130%;
}
.fan img:nth-child(1){transform:rotate(-15deg) translateY(2px);z-index:1}
.fan img:nth-child(2){transform:rotate(-9deg) translateY(-6px);z-index:2}
.fan img:nth-child(3){transform:rotate(-3deg) translateY(-12px);z-index:3}
.fan img:nth-child(4){transform:rotate(3deg) translateY(-12px);z-index:3}
.fan img:nth-child(5){transform:rotate(9deg) translateY(-6px);z-index:2}
.fan img:nth-child(6){transform:rotate(15deg) translateY(2px);z-index:1}

.bubble{
  position:absolute;z-index:5;
  font-family:var(--f-body);font-weight:500;font-size:.84rem;
  padding:10px 16px;white-space:nowrap;color:#fff;
  opacity:0;transform:translateY(14px) scale(.96);
  transition:opacity .42s var(--spring),transform .42s var(--spring);
}
.bubble.in{opacity:1;transform:none}
.bubble.violet{left:1%;top:12%;background:var(--violet);border-radius:18px 18px 18px 5px;
  box-shadow:0 14px 32px -16px rgba(91,75,225,.9),0 0 0 3px rgba(241,239,234,.92)}
.bubble.inky{right:1%;top:5%;background:var(--ink);border-radius:18px 18px 5px 18px;
  box-shadow:0 14px 32px -16px rgba(22,18,39,.9),0 0 0 3px rgba(241,239,234,.92)}

/* ---------- Mobile quick game grid (hidden on desktop) ---------- */
.quick{display:none}

/* ---------- Manifesto ---------- */
.manifesto p{
  font-family:var(--f-display);font-weight:500;
  font-size:clamp(1.7rem,4vw,3.3rem);line-height:1.22;
  max-width:1080px;margin-inline:auto;text-align:center;color:var(--word-dim);
}
.manifesto w{color:var(--word-dim);transition:color .3s linear}
.manifesto w.on{color:var(--ink)}

/* ---------- Games ---------- */
.head{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(20px,4vw,60px);align-items:end;margin-bottom:clamp(24px,4vw,48px)}
.head p{max-width:38ch}
.head h2{margin-top:14px}

.game-row{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:clamp(28px,5vw,72px);align-items:center;
  padding-block:clamp(26px,3vw,40px);border-top:1px solid var(--line-3);
}
.game-row .phones{display:flex;justify-content:center;gap:16px}
.game-row.flip .copy{order:-1}
.game-row .phones .device:nth-child(2){margin-top:36px}
.copy .icon{width:64px;height:64px;border-radius:var(--r-icon);border:1px solid var(--line-2)}
.copy .top{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;font-family:var(--f-mono);
  font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;
  padding:6px 14px;border-radius:var(--r-pill);
}
.chip.live{background:rgba(29,158,117,.12);color:var(--live)}
.chip.soon{border:1px solid var(--line-4);color:var(--muted)}
.copy h3{margin-top:18px}
.copy .desc{margin-top:14px;font-size:1.04rem;max-width:44ch}
.stats{display:flex;flex-wrap:wrap;gap:clamp(20px,3vw,38px);margin-top:24px}
.stats .n{font-family:var(--f-display);font-weight:800;font-size:1.6rem;color:var(--ink);line-height:1.1}
.stats .l{font-size:.78rem;color:var(--muted)}

/* Device frame — screenshots already contain the status bar and
   Dynamic Island, so the frame never draws a notch and never
   transforms the image inside it. */
.device{position:relative;width:min(46%,210px)}
.device i{position:absolute;width:3px;border-radius:3px;z-index:2}
.device i.l{left:-2px;background:linear-gradient(90deg,#4A4458,#171326)}
.device i.r{right:-2px;background:linear-gradient(270deg,#4A4458,#171326)}
.device i.l1{top:20.5%;height:4.5%}
.device i.l2{top:28%;height:8.5%}
.device i.l3{top:38.5%;height:8.5%}
.device i.r1{top:31%;height:12%}
.device .shell{
  padding:5px;border-radius:34px;box-shadow:var(--shadow-2);
  background:linear-gradient(152deg,#4A4458 0%,#14101F 36%,#0E0B17 64%,#3A3548 100%);
}
.device .screen{border-radius:29px;overflow:hidden;background:#0C0A16}
.device .screen img{width:100%;height:auto}

/* ---------- Studio ---------- */
.studio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(34px,6vw,80px)}
.studio-grid h2{margin-top:14px}
.studio-grid p{margin-top:20px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chips span{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-pill);padding:8px 16px;
  font-family:var(--f-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--body)}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tile{background:var(--card);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1)}
.tile .n{font-family:var(--f-display);font-weight:800;font-size:clamp(2rem,3.4vw,2.6rem);color:var(--ink);line-height:1}
.tile .l{margin-top:10px;font-size:.92rem}
.tile.ink{background:var(--ink);color:rgba(255,255,255,.62);display:flex;flex-direction:column;justify-content:space-between;gap:18px}
.tile.ink img{width:38px;height:38px;border-radius:10px}
.tile.ink .cap{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;line-height:1.9}

/* ---------- Rules ---------- */
.rules{border-bottom:1px solid var(--line-5)}
.rule{
  position:relative;display:flex;flex-wrap:wrap;align-items:flex-start;
  gap:clamp(14px,3vw,44px);
  padding:clamp(26px,3.4vw,44px) clamp(12px,2vw,28px);
  border-top:1px solid var(--line-5);border-radius:26px;
}
.rule::after{content:"";position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--violet);transform:scaleX(0);transform-origin:left}
.rule .num{
  flex:none;min-width:clamp(70px,7vw,120px);
  font-family:var(--f-display);font-weight:800;
  font-size:clamp(2.6rem,5.2vw,4.2rem);line-height:.86;
  color:transparent;-webkit-text-stroke:1.6px rgba(22,18,39,.32);
}
.rule .body{flex:1 1 280px}
.rule h3{font-size:clamp(1.5rem,2.7vw,2.15rem)}
.rule p{margin-top:12px;font-size:1rem;max-width:56ch}
.rule .tag{margin-left:auto;font-family:var(--f-mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin-inline:auto}
.faq .card{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);padding:26px 28px;margin-top:14px}
.faq h3{font-size:1.14rem;letter-spacing:-.01em}
.faq p{margin-top:10px;font-size:1rem}
.faq a{color:var(--violet)}

/* ---------- Closing CTA + footer ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--ink);color:rgba(255,255,255,.72);
  border-radius:var(--r-feature);padding:clamp(38px,6vw,78px);text-align:center;
}
.cta-panel h2{color:#fff}
.cta-panel p{margin-top:16px;max-width:46ch;margin-inline:auto}
.cta-panel .orb{position:absolute;width:280px;height:280px;border-radius:50%;filter:blur(70px);pointer-events:none}
.cta-panel .orb.v{background:rgba(91,75,225,.55);top:-90px;right:-60px}
.cta-panel .orb.g{background:rgba(255,194,75,.35);bottom:-110px;left:-70px}
.cta-panel .cta-row{position:relative;z-index:1;margin-top:30px}

footer{padding-block:clamp(46px,6vw,80px) 34px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:32px}
.foot-grid h4{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:400}
.foot-grid ul{list-style:none;margin-top:14px;display:grid;gap:9px}
.foot-grid a:hover{color:var(--violet)}
.foot-brand p{margin-top:14px;font-size:.92rem;max-width:34ch}
.foot-base{margin-top:40px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ============================================================
   Scroll reveals — native scroll-driven animations where the
   browser supports them. Content is VISIBLE BY DEFAULT and the
   animation only runs inside @supports, so a browser without
   scroll timelines (and one where JS never runs) still renders
   a complete page.
   ============================================================ */
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    @keyframes rise{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
    @keyframes fillnum{to{color:var(--violet);-webkit-text-stroke-color:transparent}}
    @keyframes drawline{to{transform:scaleX(1)}}

    [data-rise]{animation:rise .85s var(--ease) both;animation-timeline:view();animation-range:entry 4% cover 28%}
    .device{animation:rise .85s var(--ease) both;animation-timeline:view();animation-range:entry 4% cover 28%}
    .device:nth-child(2){animation-range:entry 11% cover 35%}
    .rule .num{animation:fillnum linear both;animation-timeline:view();animation-range:entry 25% cover 42%}
    .rule .body{animation:rise .85s var(--ease) both;animation-timeline:view();animation-range:entry 12% cover 34%}
    .rule::after{animation:drawline linear both;animation-timeline:view();animation-range:entry 18% cover 40%}
  }
}

/* JS fallback for browsers without scroll timelines. Only armed by
   js/landing.js (it adds .obs to <html>), so a failed script leaves
   everything visible. */
html.obs [data-rise],html.obs .device{opacity:0;transform:translateY(34px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
html.obs [data-rise].in,html.obs .device.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .bubble{opacity:1;transform:none}
  .manifesto w{color:var(--ink)}
  .rule .num{color:var(--violet);-webkit-text-stroke-color:transparent}
  .rule::after{transform:scaleX(1)}
  html.obs [data-rise],html.obs .device{opacity:1;transform:none}
}

/* ============================================================
   Single breakpoint — 760px
   ============================================================ */
@media (max-width:760px){
  .nav-links a:not(.appstore){display:none}
  .hero{padding-bottom:18px}
  .fan{height:clamp(150px,44vw,220px)}
  .bubble.inky{display:none}
  .bubble.violet{left:9%;right:9%;top:-10px;white-space:normal;text-align:center;font-size:.76rem}

  .quick{display:block;padding:4px 22px 26px}
  .quick .label{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px;
    font-family:var(--f-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase}
  .quick .label b{color:var(--violet);font-weight:400}
  .quick .label i{font-style:normal;color:var(--muted);letter-spacing:.06em;text-transform:none}
  .quick .grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .quick a{
    display:flex;flex-direction:column;gap:6px;min-height:150px;
    background:var(--card);border:1px solid var(--line-2);border-radius:22px;
    padding:14px;box-shadow:var(--shadow-1);
  }
  .quick img{width:56px;height:56px;border-radius:var(--r-icon)}
  .quick .n{font-family:var(--f-display);font-weight:800;font-size:1rem;color:var(--ink)}
  .quick .g{font-family:var(--f-mono);font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .quick .cta{margin-top:auto;align-self:flex-start;border-radius:var(--r-pill);
    padding:6px 14px;font-family:var(--f-display);font-weight:700;font-size:.76rem;color:#fff;background:var(--ink)}
  .quick .cta.get{background:var(--violet)}

  .game-row.flip .copy{order:0}
  .tiles{grid-template-columns:1fr 1fr}
}