/* The AI Hub landing page.
   Dark warm base, one inverted mango band at the moment of decision. */

:root{
  --bg:#0B0B0D;
  --bg-raised:#141416;
  --bg-sunken:#08080A;
  --cream:#F5EFE6;
  --muted:#A9A49B;          /* lifted from the brief's #9C978F to clear 4.5:1 on --bg */
  --mango:#FF6B1A;
  --mango-soft:#FFA23D;
  --mango-glow:rgba(255,107,26,.18);
  --line:rgba(245,239,230,.10);
  --wrap:1120px;
  --pad:clamp(5rem,10vw,9rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--cream);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,.price b,.stats b,.rail-n{
  font-family:"Inter Tight","Inter",system-ui,sans-serif;
  font-weight:800;letter-spacing:-.028em;line-height:1.04;
}

/* focus */
:focus-visible{outline:2px solid var(--mango);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--mango);color:#0B0B0D;
  padding:12px 18px;font-weight:600;border-radius:0 0 10px 0}
.skip:focus{left:0}

/* ---------- atmosphere ---------- */
.atmos{position:fixed;inset:0;z-index:0;pointer-events:none}
.aurora{position:absolute;inset:0;
  background:
    radial-gradient(58% 42% at 50% 0%, rgba(255,107,26,.16), transparent 68%),
    radial-gradient(40% 36% at 88% 22%, rgba(255,162,61,.08), transparent 70%),
    radial-gradient(46% 40% at 6% 58%, rgba(255,107,26,.06), transparent 72%);
}
.grid{position:absolute;inset:0;opacity:.03;
  background-image:linear-gradient(var(--cream) 1px,transparent 1px),linear-gradient(90deg,var(--cream) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(72% 58% at 50% 26%,#000,transparent 78%);
  mask-image:radial-gradient(72% 58% at 50% 26%,#000,transparent 78%);
}
.grain{position:absolute;inset:0;width:100%;height:100%;opacity:.035;mix-blend-mode:overlay}
main,.topbar,.foot{position:relative;z-index:1}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.wrap.narrow{max-width:820px}
.sec{padding-block:var(--pad)}
h2{font-size:clamp(2rem,4vw,3.15rem);margin:0 0 14px}
.lede{color:var(--muted);max-width:60ch;margin:0 0 44px;font-size:1.06rem}
.sub{color:var(--muted);font-size:clamp(1.02rem,1.5vw,1.22rem);max-width:56ch;text-wrap:balance}

/* ---------- top bar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:var(--wrap);margin-inline:auto;padding:22px 24px}
.mark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;
  letter-spacing:-.01em;font-size:.98rem}
.mark-dot{width:11px;height:11px;border-radius:50%;
  background:linear-gradient(140deg,var(--mango-soft),var(--mango));
  box-shadow:0 0 0 4px var(--mango-glow)}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--mango);color:#0B0B0D;text-decoration:none;
  font-weight:600;border-radius:12px;padding:16px 30px;font-size:1.02rem;
  box-shadow:0 8px 30px var(--mango-glow);transition:transform .14s ease,box-shadow .14s ease,background .14s ease}
.btn:hover{background:#FF7C33;box-shadow:0 12px 40px rgba(255,107,26,.28)}
.btn:active{transform:translateY(2px);box-shadow:0 4px 14px var(--mango-glow)}
.btn-lg{padding:19px 40px;font-size:1.1rem}
.btn-sm{padding:10px 20px;font-size:.92rem;border-radius:10px;box-shadow:none}

/* ---------- hero ---------- */
.hero{padding-top:clamp(2rem,5vw,4.5rem);padding-bottom:clamp(3rem,6vw,5rem)}
.hero-in{text-align:center;display:flex;flex-direction:column;align-items:center}
.trust{display:flex;align-items:center;gap:14px;margin-bottom:36px}
.faces{display:flex}
.faces svg{width:38px;height:38px;border-radius:50%;border:2px solid var(--bg);margin-left:-11px}
.faces svg:first-child{margin-left:0}
.trust-lines{display:flex;flex-direction:column;text-align:left;line-height:1.35}
.caps{font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;font-weight:600}
.trust-sub{font-size:.86rem;color:var(--muted)}
h1{font-size:clamp(2.75rem,6vw,5.5rem);margin:0 0 26px}
h1 em{font-style:normal;
  background:linear-gradient(96deg,var(--mango-soft),var(--mango));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.cta-block{margin-top:34px}
.fine{color:var(--muted);font-size:.88rem;margin:14px 0 0}

/* hero workflow object */
.flow{margin:clamp(3.5rem,7vw,6rem) 0 0;width:100%;max-width:960px;
  background:var(--bg-raised);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:0 40px 90px rgba(0,0,0,.5)}
.flow-chrome{display:flex;align-items:center;gap:7px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:rgba(245,239,230,.02)}
.flow-chrome span{width:10px;height:10px;border-radius:50%;background:rgba(245,239,230,.16)}
.flow-chrome p{margin:0 0 0 12px;font-size:.78rem;color:var(--muted);letter-spacing:.02em}
.flow-canvas{display:flex;flex-wrap:wrap;gap:12px;padding:26px 22px;align-items:stretch;
  background-image:radial-gradient(rgba(245,239,230,.10) 1px,transparent 1px);background-size:20px 20px}
.node{flex:1 1 130px;min-width:130px;position:relative;background:#101012;border:1px solid var(--line);
  border-radius:12px;padding:14px 13px;text-align:left;display:flex;flex-direction:column}
.node i{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;font-style:normal;
  background:rgba(255,107,26,.14);margin-bottom:10px}
.node i svg{width:16px;height:16px;fill:none;stroke:var(--mango-soft);stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round}
.node b{display:block;font-size:.83rem;font-weight:600;letter-spacing:-.01em}
.node small{display:block;font-size:.68rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;
  margin-top:auto;padding-top:6px}
.node::after{content:"";position:absolute;right:-13px;top:50%;width:14px;height:2px;border-radius:2px;
  background:rgba(245,239,230,.26)}
.node:last-child::after{display:none}
.n-trg{border-left:2px solid var(--mango)}
.n-end i{background:rgba(255,107,26,.22)}
figcaption{padding:0 22px 20px;font-size:.82rem;color:var(--muted)}

/* ---------- video ---------- */
.vid{aspect-ratio:16/9;background:var(--bg-raised);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.vid-ph{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  background:radial-gradient(60% 60% at 50% 45%,rgba(255,107,26,.09),transparent 70%)}
.vid-ph p{margin:0;color:var(--muted);font-size:.94rem}
.play{width:62px;height:62px;border-radius:50%;background:rgba(255,107,26,.14);border:1px solid rgba(255,107,26,.4);
  position:relative}
.play::after{content:"";position:absolute;left:52%;top:50%;transform:translate(-50%,-50%);
  border-left:16px solid var(--mango);border-top:10px solid transparent;border-bottom:10px solid transparent}

/* ---------- numbers ---------- */
.band{padding-block:clamp(3rem,6vw,4.5rem);border-block:1px solid var(--line);background:rgba(245,239,230,.015)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;text-align:center}
.stats b{display:block;font-size:clamp(3rem,7vw,4.6rem);color:var(--mango);line-height:1}
.stats span{display:block;color:var(--muted);font-size:.95rem;margin-top:8px;max-width:22ch;margin-inline:auto}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.card{background:var(--bg-raised);border:1px solid var(--line);border-radius:16px;padding:26px 24px;
  transition:border-color .16s ease,transform .16s ease}
.card:hover{border-color:rgba(255,107,26,.30);transform:translateY(-2px)}
.ico{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:var(--mango);margin-bottom:18px}
.ico svg{width:22px;height:22px;fill:none;stroke:#0B0B0D;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.n-end i svg{stroke:var(--mango)}
.card h3{font-size:1.12rem;margin:0 0 8px}
.card p{margin:0;color:var(--muted);font-size:.95rem}

/* ---------- section rail ---------- */
.rail{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rail li{display:grid;grid-template-columns:60px 1fr auto;gap:20px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line)}
.rail-n{font-size:1.5rem;color:rgba(245,239,230,.26)}
.rail h3{font-size:1.24rem;margin:0 0 6px}
.rail p{margin:0;color:var(--muted);font-size:.96rem;max-width:62ch}
.rail-c{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;white-space:nowrap;margin-top:4px}
.res{margin-top:38px;background:var(--bg-raised);border:1px solid var(--line);border-radius:16px;padding:30px 28px}
.res h3{font-size:1.24rem;margin:0 0 6px}
.res-sub{margin:0 0 18px;color:var(--muted);font-size:.96rem}
.res ul{margin:0;padding:0;list-style:none;display:grid;gap:11px}
.res li{position:relative;padding-left:26px;color:var(--muted);font-size:.96rem}
.res li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:3px;
  background:rgba(255,107,26,.5)}

/* ---------- two columns ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.col{background:var(--bg-raised);border:1px solid var(--line);border-radius:16px;padding:30px 28px}
.col h3{font-size:1.3rem;margin:0 0 12px}
.col p{margin:0;color:var(--muted)}
.disq{text-align:center;color:var(--muted);margin:34px auto 0;max-width:56ch;font-size:.98rem}

/* ---------- founder ---------- */
.founder{display:grid;grid-template-columns:200px 1fr;gap:44px;align-items:start}
.portrait{border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.founder p{color:var(--muted);max-width:62ch}
.founder p + p{margin-bottom:0}

/* ---------- reviews ---------- */
.reviews{position:relative}
.dev-ribbon{display:none;position:absolute;top:16px;right:16px;z-index:5;background:#E11D48;color:#fff;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:6px 14px;border-radius:6px}
body.dev .dev-ribbon{display:block}
.carousel{margin-top:40px}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 36px)/3);gap:18px;
  overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:6px;
  scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.rev{scroll-snap-align:start;background:var(--bg-raised);border:1px solid var(--line);border-radius:16px;padding:24px 22px}
.rev-top{display:flex;align-items:center;gap:11px;margin-bottom:10px}
.rev-top b{font-weight:600;font-size:.98rem}
.av{width:36px;height:36px;border-radius:50%;flex:0 0 auto}
.av-a{background:linear-gradient(140deg,#FF8A3D,#C2410C)}
.av-b{background:linear-gradient(140deg,#8FA6C4,#3E4B60)}
.av-c{background:linear-gradient(140deg,#F0C88A,#9A6B34)}
.av-d{background:linear-gradient(140deg,#9FD3C2,#3B6B5C)}
.av-e{background:linear-gradient(140deg,#C9A7E0,#5B3F73)}
.av-f{background:linear-gradient(140deg,#E3A0A0,#7A3B3B)}
.stars{color:var(--mango-soft);letter-spacing:.12em;font-size:.86rem;margin-bottom:10px}
.rev p{margin:0 0 14px;color:var(--muted);font-size:.95rem}
.rev time{font-size:.8rem;color:rgba(245,239,230,.38)}
.car-ui{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:26px}
.car-btn{width:42px;height:42px;border-radius:50%;background:transparent;border:1px solid var(--line);
  color:var(--cream);font-size:1.3rem;line-height:1;cursor:pointer;transition:border-color .15s ease}
.car-btn:hover{border-color:rgba(255,107,26,.5)}
.dots{display:flex;gap:8px}
.dots button{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:rgba(245,239,230,.22);cursor:pointer}
.dots button[aria-selected="true"]{background:var(--mango);width:22px;border-radius:5px}

/* ---------- pricing, the flip ---------- */
.invert{background:var(--mango);color:#0B0B0D}
.join{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.join-art svg{width:100%;max-width:420px;margin-inline:auto}
.join-card{background:var(--bg-raised);border:1px solid rgba(11,11,13,.5);border-radius:20px;padding:34px 30px;
  color:var(--cream);box-shadow:0 30px 70px rgba(11,11,13,.28)}
.dim{color:var(--muted)}
.price{display:flex;align-items:baseline;gap:12px;margin:10px 0 8px}
.price b{font-size:clamp(3.4rem,7vw,4.6rem);line-height:1}
.price span{color:var(--muted);font-size:1.1rem}
.price-sub{margin:0 0 24px;color:var(--muted);font-size:.96rem}
.checkout-frost{backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);
  background:rgba(20,20,22,.72);border:1px solid rgba(245,239,230,.14);border-radius:18px;padding:20px;
  box-shadow:inset 0 1px 0 rgba(245,239,230,.16);min-height:120px}
@supports not (backdrop-filter:blur(1px)){.checkout-frost{background:var(--bg-raised)}}
.ticks{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:11px}
.ticks li{position:relative;padding-left:28px;color:var(--muted);font-size:.95rem}
.ticks li::before{content:"";position:absolute;left:2px;top:.46em;width:12px;height:7px;
  border-left:2px solid var(--mango);border-bottom:2px solid var(--mango);transform:rotate(-45deg)}

/* ---------- closing ---------- */
.closing{background:var(--bg-sunken);border-top:1px solid var(--line)}
.close-in{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:center}
.closing .sub{margin:12px 0 30px}

/* ---------- faq ---------- */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.q{border-bottom:1px solid var(--line)}
.q h3{margin:0;font-size:1.06rem}
.q button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;color:var(--cream);font:inherit;font-weight:700;letter-spacing:-.01em;
  text-align:left;padding:22px 2px;cursor:pointer}
.chev{width:11px;height:11px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg) translateY(-3px);flex:0 0 auto;transition:transform .2s ease}
.q.open .chev{transform:rotate(225deg) translateY(-3px);border-color:var(--mango)}
.a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.q.open .a{grid-template-rows:1fr}
.a > p{overflow:hidden;margin:0;color:var(--muted);font-size:.98rem;max-width:66ch}
.q.open .a > p{padding-bottom:24px}
/* no-JS fallback: everything readable and open */
.no-js .a{grid-template-rows:1fr}
.no-js .a > p{padding-bottom:24px}
.no-js .chev{display:none}

/* ---------- footer ---------- */
.foot{background:var(--bg-sunken);border-top:1px solid var(--line);padding-block:56px}
.foot-in{display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px}
.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:22px;font-size:.92rem}
.foot-links a{color:var(--muted);text-decoration:none}
.foot-links a:hover{color:var(--cream)}
.foot-note{margin:0;color:var(--muted);font-size:.86rem;max-width:60ch}
.foot-note.dim{color:rgba(245,239,230,.34)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .track{grid-auto-columns:calc((100% - 18px)/2)}
}
@media (max-width:900px){
  body{font-size:16px}
  .cards{grid-template-columns:1fr 1fr}
  .join{grid-template-columns:1fr;gap:38px}
  .join-art{order:2}
  .join-card{order:1}
  .founder{grid-template-columns:140px 1fr;gap:28px}
  .close-in{grid-template-columns:1fr;text-align:center;justify-items:center}
  .close-art{max-width:220px}
  .flow-canvas{gap:14px}
  .node::after{display:none}
}
@media (max-width:640px){
  .wrap{padding-inline:18px}
  h1{font-size:clamp(2.1rem,9vw,2.9rem);text-wrap:balance}
  h1 br{display:none}   /* let it find its own line breaks on a narrow screen */
  .trust{flex-direction:column;gap:10px;text-align:center}
  .trust-lines{text-align:center;align-items:center}
  .cards,.two{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:26px}
  .track{grid-auto-columns:86%}
  .rail li{grid-template-columns:36px 1fr;row-gap:10px}
  .rail-c{grid-column:2;justify-self:start}
  .founder{grid-template-columns:1fr}
  .portrait{max-width:160px}
  .node{flex:1 1 calc(50% - 7px);min-width:0}
  .flow-canvas{padding:18px 14px}
  .btn-lg{width:100%;text-align:center}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .track{scroll-behavior:auto}
  .card:hover{transform:none}
}