/* ASCEND marketing site — brand blue, matching the app (src/theme/brand.js).
   The cyan → electric ramp is for selection and primary actions only, as in the app.
   Green, red and gold are data colours. */
:root{
  --ground-top:#002052;
  --ground:#00173D;
  --ground-deep:#000F2A;
  --card:#0A2C62;
  --raised:#0E3878;
  --rim:rgba(0,136,255,.30);
  --rim-soft:rgba(0,136,255,.16);
  --wash:rgba(0,136,255,.14);

  --ink:#EEF6FF;
  --ink-2:#C9DDF5;
  --muted:#93B6DC;
  --muted-2:#7194BD;

  --cyan:#00C6FF;
  --blue:#0088FF;
  --electric:#0048FF;
  --on:#7FE0FF;
  --ramp:linear-gradient(135deg,#00C6FF 0%,#0048FF 100%);

  --up:#22D3A0;
  --loss:#FF5C7A;
  --warn:#F5B642;
  /* names the signup script uses for its status line */
  --green-2:var(--up);
  --gold:var(--warn);

  --display:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap:1100px;
  --gutter:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--on);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.num{font-variant-numeric:tabular-nums}
p .num{font-weight:600;color:var(--ink)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:100;background:var(--ramp);color:#fff;padding:8px 12px;border-radius:10px}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--display);color:var(--ink);margin:0;letter-spacing:-.025em}
h1{font-size:clamp(38px,5.8vw,64px);line-height:1.03;font-weight:800}
h2{font-size:clamp(28px,3.6vw,40px);line-height:1.1;font-weight:700}
h3{font-size:22px;line-height:1.25;font-weight:700}
p{margin:0 0 1em}
.lede{font-size:19px;line-height:1.55;color:var(--muted);max-width:36em}
.label{font:700 12px/1.5 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin:0 0 18px}

/* ---------- buttons + forms ---------- */
.btn{display:inline-block;font:700 15px/1 var(--sans);padding:15px 22px;border-radius:14px;border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;color:#fff}
.btn-primary{background:var(--ramp)}
.btn-primary:hover{color:#fff;filter:brightness(1.1)}
.btn-ghost{background:var(--wash);border-color:var(--rim);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff}
.btn:disabled{opacity:.6;cursor:wait}
.signup{display:flex;gap:8px;max-width:470px;margin-top:28px}
.signup input{flex:1;min-width:0;font:400 16px var(--sans);color:var(--ink);background:var(--card);border:1px solid var(--rim);border-radius:14px;padding:14px 16px}
.signup input:focus{border-color:var(--cyan);outline:0}
.signup input::placeholder{color:var(--muted-2)}
.form-msg{display:none;margin:12px 0 0;font-size:15px}
.form-note{margin:12px 0 0;font-size:14px;color:var(--muted-2)}
.more{display:inline-block;margin-top:8px;font-weight:600;text-decoration:none}
.more:hover{text-decoration:underline}

/* ---------- header: logo, the page tabs, one action ---------- */
header{position:sticky;top:0;z-index:40;background:var(--ground-deep);border-bottom:1px solid var(--rim-soft)}
.bar{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.logo img{width:28px;height:28px}
.brand{font:800 17px/1 var(--display);letter-spacing:.18em}
.tabs-nav{flex:1;display:flex;justify-content:center;min-width:0}
.tabs-nav ul{list-style:none;margin:0;padding:4px;display:flex;gap:2px;background:rgba(8,36,84,.7);border:1px solid var(--rim-soft);border-radius:999px}
.tabs-nav a{display:block;padding:8px 14px;border-radius:999px;color:var(--muted);text-decoration:none;font:600 14px/1 var(--sans);white-space:nowrap}
.tabs-nav a:hover{color:var(--ink)}
.tabs-nav a[aria-current="page"]{background:var(--ramp);color:#fff}
.bar .btn{padding:11px 16px;font-size:14px;flex:none}

/* ---------- sections ---------- */
main{display:block}
section{padding:80px 0;border-top:1px solid var(--rim-soft);scroll-margin-top:72px}
.page-head{border-top:0;padding:64px 0 40px;background:linear-gradient(180deg,var(--ground-top) 0%,var(--ground) 100%)}
.page-head h1{max-width:14em}
.page-head .lede{margin-top:18px}
.sec-head{display:grid;grid-template-columns:64px 1fr;gap:0 16px;margin-bottom:40px}
.sec-no{font:800 15px/1 var(--display);letter-spacing:.06em;color:var(--cyan);padding-top:13px}
.sec-head h2{max-width:22em}
.sec-head .lede{margin-top:14px}
.body-col{margin-left:80px;max-width:660px}

/* ---------- hero (home) ---------- */
.hero{border-top:0;padding:72px 0 88px;background:linear-gradient(180deg,var(--ground-top) 0%,var(--ground) 100%)}
.split{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.hero h1{max-width:11.5em;margin-bottom:24px}

/* ---------- screenshots ---------- */
figure{margin:0}
.shot{position:relative;border-radius:24px;overflow:hidden;background:var(--ground-deep);border:1px solid var(--rim)}
.shot img{width:100%}
figcaption{font-size:13px;line-height:1.5;color:var(--muted);margin-top:12px}
/* annotation: a box on the screenshot, keyed to a letter in the caption */
.mark{position:absolute;left:2.5%;right:2.5%;border:2px solid var(--warn);border-radius:10px;pointer-events:none}
.mark::before{content:attr(data-k);position:absolute;top:-2px;right:-2px;transform:translateY(-100%);background:var(--warn);color:#1a1200;font:800 12px/1 var(--sans);padding:4px 7px;border-radius:6px 6px 0 0}
.key{display:inline-block;background:var(--warn);color:#1a1200;font:800 12px/1 var(--sans);padding:3px 6px;border-radius:5px;margin-right:6px}

/* ---------- prose blocks ---------- */
.argument p{font-size:20px;line-height:1.6;color:var(--ink-2)}
.feature{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;margin-left:80px}
.feature p{color:var(--ink-2);max-width:34em}

/* ---------- index lists (pages, features without screens) ---------- */
.index{display:grid;grid-template-columns:220px minmax(0,1fr);margin:0 0 0 80px;max-width:840px}
.index dt,.index dd{padding:16px 0;border-top:1px solid var(--rim-soft);margin:0}
.index dt:first-of-type,.index dd:first-of-type{border-top:0}
.index dt{font:700 19px/1.4 var(--display);letter-spacing:-.01em;padding-right:20px}
.index dt a{color:var(--ink);text-decoration:none}
.index dt a:hover{color:var(--on)}
.index dd{color:var(--ink-2)}

/* ---------- walkthrough steps ---------- */
.dek{font-size:19px;color:var(--muted);margin:16px 0 0;max-width:38em}
.steps{list-style:none;margin:0;padding:0}
.step{display:grid;grid-template-columns:64px minmax(0,1fr) 260px;gap:0 16px;padding:44px 0;border-top:1px solid var(--rim-soft)}
.step:first-child{border-top:0;padding-top:0}
.step-no{font:800 15px/1 var(--display);letter-spacing:.06em;color:var(--cyan);padding-top:6px}
.step-body{max-width:560px}
.step-body h3{margin-bottom:10px}
.step-body p{color:var(--ink-2)}
.step figure{grid-column:3}
.pending{border:1px dashed var(--muted-2);border-radius:24px;aspect-ratio:722/1100;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;font:700 12px/1.7 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:var(--card)}

/* ---------- plain list ---------- */
.plain{list-style:none;margin:0;padding:0}
.plain li{padding:18px 0;border-top:1px solid var(--rim-soft);color:var(--ink-2)}
.plain li:first-child{border-top:0;padding-top:0}
.plain b{font:700 19px/1.3 var(--display);letter-spacing:-.01em;color:var(--ink);display:block;margin-bottom:6px}

/* ---------- record tiles (like the app's MODEL / BOOK / EDGE tiles) ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 24px;padding:0;max-width:640px}
.tiles div{background:var(--card);border:1px solid var(--rim-soft);border-radius:16px;padding:14px 16px;display:flex;flex-direction:column-reverse}
.tiles dt{font:700 11px/1.6 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.tiles dd{margin:0;font:800 28px/1.15 var(--sans);font-variant-numeric:tabular-nums;color:var(--ink);letter-spacing:-.01em}
.tiles .up{color:var(--up)}
/* our record beside the model's backtest */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.tile-head{font:700 12px/1.5 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.tiles-2{grid-template-columns:repeat(2,minmax(0,1fr));margin:0}
.tiles-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.pending-note{border:1px dashed var(--muted-2);border-radius:16px;padding:18px 20px;color:var(--muted);background:var(--card)}
.pending-note b{color:var(--ink)}

/* ---------- changelog ---------- */
.day{margin-left:80px;max-width:840px;display:grid;grid-template-columns:110px minmax(0,1fr);gap:0 16px;padding:22px 0;border-top:1px solid var(--rim-soft)}
.day:first-of-type{border-top:0;padding-top:0}
.day h3{font:700 15px/1.6 var(--sans);letter-spacing:.02em;color:var(--muted);margin:0}
.day ul{list-style:none;margin:0;padding:0}
.day li{padding:5px 0;color:var(--ink-2);display:flex;gap:10px}
.tag{flex:none;display:inline-block;min-width:66px;padding-top:3px;font:700 11px/1.6 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.tag.fix{color:var(--warn)}
.tag.cut{color:var(--loss)}

/* ---------- plans (tabs) ---------- */
.tabs{margin-left:80px;max-width:720px}
.tablist{display:inline-flex;gap:2px;padding:4px;background:rgba(8,36,84,.7);border:1px solid var(--rim-soft);border-radius:999px;margin-bottom:20px}
.tab{background:none;border:0;padding:9px 18px;border-radius:999px;font:600 15px var(--sans);color:var(--muted);cursor:pointer}
.tab[aria-selected="true"]{background:var(--ramp);color:#fff}
.tabpanel{background:var(--card);border:1px solid var(--rim-soft);border-radius:18px;padding:8px 22px 22px}
.tabpanel[hidden]{display:none !important}
.plan-head p{color:var(--muted);margin:14px 0 6px}
.plan-list{list-style:none;margin:0 0 22px;padding:0}
.plan-list li{padding:13px 0;border-top:1px solid var(--rim-soft)}
.plan-list li:first-child{border-top:0}
.plan-list b{font-weight:600;color:var(--ink)}
.plan-list small{display:block;font-size:15px;color:var(--muted)}
.price-note{font-size:14px;color:var(--muted-2);margin:12px 0 0}

/* ---------- faq ---------- */
.faq{margin-left:80px;max-width:720px}
.faq details{border-top:1px solid var(--rim-soft)}
.faq details:last-child{border-bottom:1px solid var(--rim-soft)}
.faq summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;font:700 19px/1.4 var(--display);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:15px;font:400 24px var(--sans);color:var(--cyan)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--ink-2);margin:0 0 20px;max-width:36em}

/* ---------- closing call to action ---------- */
.cta{background:linear-gradient(180deg,var(--ground) 0%,var(--ground-top) 100%)}
.cta .body-col h2{margin-bottom:12px}
.cta .btn{margin-top:14px}

/* ---------- footer ---------- */
footer{background:var(--ground-deep);border-top:1px solid var(--rim);padding:40px 0 110px;font-size:15px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:28px}
.foot .links{display:flex;gap:20px;flex-wrap:wrap}
.foot .links a{color:var(--muted);text-decoration:none}
.foot .links a:hover{color:var(--ink)}
.rg-bar{border-top:1px solid var(--rim-soft);border-bottom:1px solid var(--rim-soft);padding:14px 0;display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--ink-2)}
.disclaimer{font-size:13px;color:var(--muted-2);margin-top:20px;max-width:62em}

/* ---------- sticky mobile CTA ---------- */
.sticky-cta{display:none}

/* ---------- age gate ---------- */
.agegate{display:none;position:fixed;inset:0;z-index:100;background:rgba(0,10,30,.84);align-items:center;justify-content:center;padding:16px}
.agegate.show{display:flex}
.agegate-card{background:var(--card);max-width:440px;width:100%;padding:32px;border-radius:20px;border:1px solid var(--rim)}
.agegate-card img{width:36px;height:36px;margin-bottom:18px}
.agegate-card h2{font-size:30px;margin-bottom:12px}
.agegate-card p{color:var(--ink-2);font-size:16px}
.agegate-btns{display:flex;gap:10px;margin-top:20px}
.agegate-deny{display:none;margin-top:16px;color:var(--loss)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .bar{flex-wrap:wrap;height:auto;padding:12px 0 0;gap:12px}
  .logo{order:1}
  .bar .btn{order:2;margin-left:auto}
  .tabs-nav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:12px;scrollbar-width:none}
  .tabs-nav::-webkit-scrollbar{display:none}
}
@media (max-width:900px){
  .split,.feature{grid-template-columns:1fr;gap:36px}
  .split figure,.feature figure{max-width:300px}
  .sec-head{grid-template-columns:1fr}
  .sec-no{padding:0 0 10px}
  .body-col,.feature,.index,.tabs,.faq,.day{margin-left:0}
  .step{grid-template-columns:40px minmax(0,1fr)}
  .step figure{grid-column:2;max-width:280px;margin-top:22px}
}
@media (max-width:760px){
  :root{--gutter:16px}
  body{font-size:16px}
  section{padding:56px 0;scroll-margin-top:120px}
  .page-head{padding:44px 0 28px}
  .hero{padding:40px 0 56px}
  .signup{flex-direction:column}
  .argument p{font-size:18px}
  .index{grid-template-columns:1fr}
  .index dt{padding-bottom:0}
  .index dd{border-top:0;padding-top:4px}
  .index dt:first-of-type{padding-top:0}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare{grid-template-columns:1fr}
  .tiles-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .tiles-3 div{padding:12px}
  .tiles-3 dd{font-size:22px}
  .day{grid-template-columns:1fr}
  .day h3{margin-bottom:6px}
  .tag{min-width:0;margin-right:8px}
  .tabpanel{padding:4px 16px 18px}
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;align-items:center;justify-content:space-between;gap:12px;background:var(--ground-deep);border-top:1px solid var(--rim);padding:10px 16px calc(10px + env(safe-area-inset-bottom))}
  .sticky-cta span{font-size:14px;color:var(--muted)}
  .sticky-cta .btn{padding:12px 16px;font-size:14px}
  .agegate-card{padding:24px}
}

/* Legal pages (/terms/, /privacy/): long-form reading, not marketing layout. */
.legal-date{margin-top:14px;color:var(--muted);font-size:14px}
.legal{max-width:760px}
.legal h2{font-size:clamp(20px,2.4vw,24px);margin:36px 0 12px}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{font-size:16px;line-height:1.7;color:var(--ink-2)}
.legal p{margin:0 0 14px}
.legal ul{margin:0 0 16px;padding-left:22px}
.legal li{margin:0 0 8px}
.legal b{color:var(--ink,#fff)}
.legal a{color:var(--cyan,#00C6FF)}