/* AmberNine: Sudoku - engraved amber and smoke, mobile first */
:root{--ground:#17100A;--panel:#231911;--panel2:#2C2016;--ink:#F3E7D3;--soft:#CDBBA0;--amber:#D9922E;--amber-light:#E8B063;--on-amber:#1A1008;--silver:#C4C8CC;--line:rgba(196,200,204,.28);--bronze:#8C6A3E;--foot:#0E0905;--serif:'Baskerville','Baskerville Old Face','Didot','Bodoni MT','Georgia',serif;--sans:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;--hh:48px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--ground) radial-gradient(ellipse at 50% 0,#2b1e12 0,transparent 60%) no-repeat;color:var(--ink);font:16px/1.65 var(--sans);-webkit-text-size-adjust:100%;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--amber-light)}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:.01em;margin:0 0 12px}
h1{font-size:2.125rem}
h2{font-size:1.75rem}
h3{font-size:1.25rem}
.eyebrow{margin:0 0 8px;font-size:.875rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--amber-light)}
.site-header{position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top,0px);background:rgba(23,16,10,.95);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1120px;height:var(--hh);margin:0 auto;padding:0 16px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);font-family:var(--serif);font-weight:600;letter-spacing:.04em;text-decoration:none}
.brand img{width:32px;height:32px;border-radius:8px}
.nav{display:none}
.head-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:44px;height:44px;border-radius:50%;background:var(--amber);color:var(--on-amber);font-weight:700;text-decoration:none}
.head-cta:active,.sticky-btn:active{transform:translateY(1px)}
.head-cta-text{display:none}
.hero{padding:20px 0 40px}
.cartouche{position:relative;margin:0 0 28px;padding:8px;border:1px solid var(--bronze);border-radius:18px;background:linear-gradient(160deg,#3a2a1b,#1c130b);box-shadow:0 0 0 4px var(--ground),0 0 0 5px var(--line),0 18px 40px rgba(0,0,0,.45)}
.cartouche::before{content:'';position:absolute;inset:4px;border:1px solid var(--line);border-radius:14px;pointer-events:none}
.cartouche img{width:100%;aspect-ratio:1024/500;object-fit:cover;border-radius:12px}
.hero-icon{width:72px;height:72px;margin-bottom:16px;border:1px solid var(--bronze);border-radius:18px;box-shadow:0 8px 20px rgba(0,0,0,.4)}
.lead{margin:0 0 8px;font-size:1.125rem}
.sub{margin:0 0 24px;color:var(--soft)}
.buttons{display:flex;flex-direction:column;gap:12px}
.store{position:relative;overflow:hidden;display:flex;align-items:center;gap:12px;width:100%;min-height:56px;padding:10px 20px;border:1px solid transparent;border-radius:10px;font:inherit;text-align:left;text-decoration:none}
.store small{display:block;font-size:.875rem;line-height:1.2}
.store strong{display:block;font-family:var(--serif);font-size:1.25rem;line-height:1.15;letter-spacing:.02em}
.glyph{flex:none;width:26px;height:26px}
.store-play{background:linear-gradient(180deg,#E8B063,#C97F1E);color:var(--on-amber);box-shadow:inset 0 0 0 3px #C97F1E,inset 0 0 0 4px rgba(26,16,8,.5),0 6px 16px rgba(0,0,0,.4)}
.store-play::after{content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .6s ease}
.store-play:hover::after,.store-play:active::after{left:130%}
.store-play:active{transform:translateY(1px)}
.store-ios{background:#2a2a2a;border-color:#444;color:#F3E7D3;opacity:.55;filter:grayscale(.6);cursor:not-allowed}
.tag{position:absolute;top:0;right:0;padding:2px 10px;border-radius:0 10px 0 8px;background:#111;color:#F3E7D3;font-size:.875rem;line-height:1.4}
.mini{display:flex;justify-content:center;margin-top:32px}
.mini-grid{display:grid;grid-template-columns:repeat(9,1fr);width:min(100%,340px);aspect-ratio:1;overflow:hidden;border:2px solid var(--silver);border-radius:10px;background:linear-gradient(145deg,#2c2016,#1b130c);box-shadow:0 0 0 4px var(--ground),0 0 0 5px var(--line),0 18px 36px rgba(0,0,0,.45)}
.cell{display:flex;align-items:center;justify-content:center;border:1px solid rgba(196,200,204,.14);font-family:var(--serif);font-size:1.125rem;color:var(--ink)}
.cell.b-r{border-right:2px solid rgba(196,200,204,.5)}
.cell.b-b{border-bottom:2px solid rgba(196,200,204,.5)}
.cell.fill{color:var(--amber-light);animation:settle .5s ease both;animation-delay:var(--d,0s)}
@keyframes settle{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:none}}
.section{padding:48px 0}
.cards{display:grid;gap:16px;margin-top:24px}
.card{position:relative;padding:20px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(160deg,var(--panel2),var(--panel));box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.card::before{content:'';position:absolute;inset:5px;border:1px solid rgba(140,106,62,.45);border-radius:10px;pointer-events:none}
.card p{margin:0;color:var(--soft)}
.tile{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:14px;border:2px solid var(--silver);border-radius:10px;font-family:var(--serif);font-size:1.375rem;color:var(--silver);box-shadow:0 2px 0 #000,inset 0 0 0 3px #2c2016}
.band{padding:56px 0;border-top:1px solid var(--bronze);border-bottom:1px solid var(--bronze);background:linear-gradient(180deg,#2A1B0E,#1B120A);text-align:center}
.band p{max-width:520px;margin:0 auto;color:var(--soft)}
.band .eyebrow{color:var(--amber-light)}
.band .buttons{max-width:360px;margin:24px auto 0}
.about p{max-width:68ch;color:var(--soft)}
.site-footer{padding:32px 0 calc(96px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:var(--foot);color:var(--soft)}
.foot{display:flex;flex-direction:column;gap:12px}
.foot-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.foot-brand img{width:32px;height:32px;border-radius:8px}
.foot a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink)}
.legal{display:flex;flex-wrap:wrap;gap:20px}
.copy{margin:0}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--bronze);background:rgba(23,16,10,.97);transform:translateY(100%);visibility:hidden;transition:transform .35s ease,visibility .35s}
.sticky.show{transform:none;visibility:visible}
.sticky span{font-family:var(--serif);font-weight:600}
.sticky-btn{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:10px;background:var(--amber);color:var(--on-amber);font-weight:700;text-decoration:none}
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}
@media (min-width:768px){
:root{--hh:64px}
.wrap{padding:0 32px}
h1{font-size:2.875rem}
h2{font-size:2.25rem}
.nav{display:flex;gap:24px}
.nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--soft);text-decoration:none}
.nav a:hover,.nav a:active{color:var(--ink)}
.head-cta{width:auto;padding:0 20px;border-radius:10px}
.head-cta-text{display:inline}
.hero{padding:32px 0 64px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.mini{margin-top:0}
.buttons{flex-direction:row}
.store{width:auto;min-width:210px}
.cards{grid-template-columns:repeat(2,1fr)}
.sticky{display:none}
.foot{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap}
.site-footer{padding-bottom:32px}
.band{padding:80px 0}
}
@media (min-width:1024px){
h1{font-size:3.5rem}
.cards{grid-template-columns:repeat(3,1fr)}
}