/* ============================================================
   STARTUP ROOF — Design System
   Obsidian · Ivory · Electric Mint · Champagne Gold
   ============================================================ */
:root{
  --bg:#08090b; --bg2:#0c0e11; --surface:#101318; --surface2:#151920;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --ivory:#f1ede4; --muted:#a9a69c; --dim:#7c7a72;
  --mint:#35e6a6; --mint-dim:rgba(53,230,166,.14); --mint-line:rgba(53,230,166,.35);
  --gold:#c9a96a; --gold-dim:rgba(201,169,106,.15);
  --danger:#ff6b6b;
  --serif:"Fraunces","Georgia","Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --r:14px; --r-lg:22px;
  --max:1240px;
  --shadow:0 30px 80px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ivory);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--mint);color:#04120c}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:4px}

/* type scale */
h1,h2,h3,.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:1.08}
.display{font-size:clamp(2.9rem,7.2vw,5.6rem);line-height:1.02;letter-spacing:-.03em}
.h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.05}
.h2{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.1}
.h3{font-size:clamp(1.3rem,2vw,1.65rem)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--mint)}
.eyebrow.gold{color:var(--gold)}
.lede{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);line-height:1.7;max-width:62ch}
.small{font-size:.85rem;color:var(--muted)}
.dim{color:var(--dim)}
.mono{font-family:var(--mono)}
.grad-text{background:linear-gradient(100deg,var(--ivory) 30%,var(--mint) 75%,var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* layout */
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.wrap-tight{max-width:900px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
section{padding:clamp(72px,10vw,130px) 0;position:relative}
.sec-line{border-top:1px solid var(--line)}
.center{text-align:center}.center .lede{margin-inline:auto}

/* header */
.site-head{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .35s var(--ease),border-color .35s;border-bottom:1px solid transparent}
.site-head.scrolled{background:rgba(8,9,11,.82);backdrop-filter:blur(18px);border-color:var(--line)}
.head-in{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,48px);height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-size:1.22rem;letter-spacing:-.01em;flex-shrink:0}
.logo b{font-weight:600}
.logo .os-tag{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;color:var(--mint);border:1px solid var(--mint-line);padding:3px 7px;border-radius:99px}
.nav{display:flex;align-items:center;gap:clamp(16px,2vw,30px)}
.nav a{font-size:.9rem;color:var(--muted);transition:color .2s;position:relative;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--ivory)}
.nav a[aria-current]:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:1px;background:var(--mint)}
.head-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:1px solid var(--line2);border-radius:10px;width:42px;height:42px;color:var(--ivory)}
.mobile-nav{position:fixed;inset:0;z-index:200;background:rgba(8,9,11,.97);backdrop-filter:blur(20px);display:none;flex-direction:column;padding:28px 24px;overflow-y:auto}
.mobile-nav.open{display:flex}
.mobile-nav a{font-family:var(--serif);font-size:1.7rem;padding:13px 0;border-bottom:1px solid var(--line)}
.mobile-nav .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
@media(max-width:1080px){.nav{display:none}.burger{display:grid;place-items:center}}
/* mobile header: drop the Log in ghost button, keep Join + burger (both also in the menu) */
@media(max-width:640px){.head-cta .btn-ghost{display:none}.head-in{height:64px;padding:0 16px;gap:12px}}
/* header global search — hidden on phones, shown on tablet+ */
.searchwrap{display:none}
@media(min-width:641px){.searchwrap{display:block;position:relative;flex:1;max-width:260px}
.searchwrap input{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:99px;padding:9px 16px;color:var(--ivory);font-size:.85rem;outline:none}
.searchwrap input:focus{border-color:var(--mint-line)}
.searchwrap #gsearch-results{position:absolute;top:44px;left:0;right:0;background:var(--surface2);border:1px solid var(--line2);border-radius:14px;overflow:hidden;z-index:150;box-shadow:var(--shadow)}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:.92rem;font-weight:600;padding:13px 26px;border-radius:99px;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s;white-space:nowrap}
.btn-primary{background:var(--mint);color:#04120c}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(53,230,166,.35)}
.btn-ghost{border-color:var(--line2);color:var(--ivory);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--mint-line);color:var(--mint)}
.btn-gold{border-color:rgba(201,169,106,.5);color:var(--gold)}
.btn-gold:hover{background:var(--gold-dim)}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-lg{padding:16px 34px;font-size:1rem}

/* cards */
.card{background:linear-gradient(180deg,var(--surface),var(--bg2));border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;transition:border-color .3s,transform .3s var(--ease);position:relative;overflow:hidden}
.card:hover{border-color:var(--mint-line);transform:translateY(-3px)}
.card h3{margin:14px 0 8px}
.card p{color:var(--muted);font-size:.94rem}
.card .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--mint-dim);border:1px solid var(--mint-line);color:var(--mint);font-size:1.1rem}
.card.gold .ico{background:var(--gold-dim);border-color:rgba(201,169,106,.4);color:var(--gold)}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;padding:5px 11px;border-radius:99px;border:1px solid var(--line2);color:var(--muted)}
.tag.mint{border-color:var(--mint-line);color:var(--mint);background:var(--mint-dim)}
.tag.gold{border-color:rgba(201,169,106,.4);color:var(--gold);background:var(--gold-dim)}
.tag.demo{border-color:rgba(255,107,107,.4);color:#ff9b9b;background:rgba(255,107,107,.08)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* hero */
.hero{min-height:100svh;display:flex;align-items:center;padding-top:110px;padding-bottom:70px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg .glow{position:absolute;width:900px;height:900px;border-radius:50%;filter:blur(140px);opacity:.16}
.hero-bg .g1{background:radial-gradient(circle,var(--mint),transparent 60%);top:-380px;right:-200px}
.hero-bg .g2{background:radial-gradient(circle,var(--gold),transparent 60%);bottom:-480px;left:-260px;opacity:.1}
.hero-bg .gridlines{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);opacity:.5}
.hero h1{margin:22px 0 24px;max-width:15ch}
.hero .lede{margin-bottom:38px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}

/* value strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip>div{padding:clamp(28px,4vw,52px) clamp(18px,2.5vw,36px);border-left:1px solid var(--line);transition:background .3s}
.strip>div:first-child{border-left:none}
.strip>div:hover{background:rgba(53,230,166,.04)}
.strip .n{font-family:var(--mono);font-size:.68rem;color:var(--mint);letter-spacing:.2em;display:block;margin-bottom:14px}
.strip h3{font-size:clamp(1.6rem,2.6vw,2.3rem)}
.strip p{color:var(--muted);font-size:.9rem;margin-top:10px}
@media(max-width:860px){.strip{grid-template-columns:1fr 1fr}.strip>div:nth-child(3){border-left:none}.strip>div{border-top:1px solid var(--line)}.strip>div:nth-child(-n+2){border-top:none}}
@media(max-width:480px){.strip{grid-template-columns:1fr}.strip>div{border-left:none;border-top:1px solid var(--line)}.strip>div:first-child{border-top:none}}

/* reveals */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}

/* OS window mock */
.oswin{border:1px solid var(--line2);border-radius:20px;background:linear-gradient(180deg,#131720,#0b0e12);box-shadow:var(--shadow);overflow:hidden}
.oswin .bar{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid var(--line)}
.oswin .dot{width:10px;height:10px;border-radius:50%;background:var(--line2)}
.oswin .dot:first-child{background:var(--mint)}
.oswin .url{font-family:var(--mono);font-size:.7rem;color:var(--dim);margin-left:10px;letter-spacing:.06em}
.oswin .body{padding:22px;display:grid;gap:14px}
.osrow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.osbox{border:1px solid var(--line);border-radius:12px;padding:16px;background:rgba(255,255,255,.015)}
.osbox .k{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;color:var(--dim);text-transform:uppercase;display:block;margin-bottom:8px}
.osbox .v{font-family:var(--serif);font-size:1.35rem}
.osbar{height:7px;border-radius:99px;background:rgba(255,255,255,.06);overflow:hidden;margin-top:10px}
.osbar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--mint),var(--gold));width:0;transition:width 1.4s var(--ease)}
@media(max-width:640px){.osrow{grid-template-columns:1fr}.oswin .body{padding:16px}.osbox .v{font-size:1.15rem}}

/* steps */
.steps{counter-reset:step}
.step{display:grid;grid-template-columns:80px 1fr;gap:clamp(18px,3vw,40px);padding:30px 0;border-top:1px solid var(--line);align-items:baseline}
.step .n{font-family:var(--serif);font-size:clamp(2rem,4vw,3.2rem);color:transparent;-webkit-text-stroke:1px var(--mint);counter-increment:step}
.step .n:before{content:"0" counter(step)}
.step h3{margin-bottom:6px}
.step p{color:var(--muted);max-width:60ch}
@media(max-width:640px){.step{grid-template-columns:52px 1fr;gap:16px}}

/* zone map (festival) */
.zones{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.zone{aspect-ratio:1.35;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;justify-content:flex-end;background:rgba(255,255,255,.015);transition:all .3s var(--ease);position:relative}
.zone:hover{border-color:var(--mint-line);background:var(--mint-dim);transform:translateY(-3px)}
.zone h4{font-family:var(--serif);font-size:.98rem;font-weight:500}
.zone span{font-family:var(--mono);font-size:.58rem;letter-spacing:.14em;color:var(--mint);text-transform:uppercase;margin-bottom:6px}
.zone.gold span{color:var(--gold)}
.zone.w2{grid-column:span 2}.zone.w3{grid-column:span 3}.zone.w1{grid-column:span 1}
@media(max-width:860px){.zones{grid-template-columns:repeat(2,1fr)}.zone.w3,.zone.w2{grid-column:span 2}.zone.w1{grid-column:span 1}}

/* forms */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:.8rem;color:var(--muted);font-weight:600;letter-spacing:.04em}
.field input,.field select,.field textarea{background:var(--surface);border:1px solid var(--line2);border-radius:11px;padding:13px 15px;color:var(--ivory);font-size:.95rem;font-family:inherit;transition:border-color .2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--mint)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.form-note{font-size:.78rem;color:var(--dim)}
.alert{border:1px solid var(--mint-line);background:var(--mint-dim);color:var(--mint);border-radius:12px;padding:13px 17px;font-size:.88rem;margin-bottom:16px;display:none}
.alert.show{display:block}
.alert.err{border-color:rgba(255,107,107,.4);background:rgba(255,107,107,.08);color:#ff9b9b}

/* footer */
footer{border-top:1px solid var(--line);padding:70px 0 40px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:56px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
footer h5{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:18px}
footer a{display:block;color:var(--muted);font-size:.88rem;padding:5px 0;transition:color .2s}
footer a:hover{color:var(--mint)}
.foot-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:26px;font-size:.78rem;color:var(--dim)}
.legal-fine{font-size:.74rem;color:var(--dim);max-width:80ch;line-height:1.6;margin-top:14px}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:20px 0;white-space:nowrap}
.marquee-in{display:inline-block;animation:mq 36s linear infinite}
.marquee-in span{font-family:var(--serif);font-size:1.05rem;color:var(--dim);margin:0 34px;letter-spacing:.02em}
.marquee-in span:after{content:"·";color:var(--mint);margin-left:34px}
@keyframes mq{to{transform:translateX(-50%)}}

/* stat */
.stat{border-left:1px solid var(--line);padding:4px 0 4px 22px}
.stat .n{font-family:var(--serif);font-size:clamp(2rem,3.6vw,3rem);color:var(--ivory)}
.stat .n em{font-style:normal;color:var(--mint)}
.stat .l{font-size:.82rem;color:var(--muted);margin-top:6px}

/* demo banner */
.demo-banner{background:var(--gold-dim);border-bottom:1px solid rgba(201,169,106,.3);color:var(--gold);font-size:.75rem;padding:7px 0;text-align:center;font-family:var(--mono);letter-spacing:.06em}

/* toast */
.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,80px);background:var(--surface2);border:1px solid var(--mint-line);color:var(--ivory);padding:13px 22px;border-radius:99px;font-size:.88rem;z-index:400;opacity:0;transition:all .4s var(--ease);box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* utility */
.mb1{margin-bottom:10px}.mb2{margin-bottom:20px}.mb3{margin-bottom:34px}.mb4{margin-bottom:52px}.mb5{margin-bottom:76px}
.mt2{margin-top:20px}.mt3{margin-top:34px}.mt4{margin-top:52px}
.flex{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.hidden{display:none!important}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}

/* robustness: never hide content when JS or IO is unavailable, or when printing */
@media print{.rv{opacity:1;transform:none}}
html.no-io .rv{opacity:1;transform:none}