/* GigaBrain marketing site — shared obsidian-orange-glass system (landing + feature pages). */
:root{
  --bg:#08090c;--bg2:#0b0c10;--panel:#0e1015;--ink:#f4f6f9;--silver:#c3c8d2;--muted:#8b919c;
  --hair:rgba(255,255,255,.08);--accent:#fd7e06;--accent2:#ff9d3d;--accent-deep:#c45b00;--glass:rgba(20,22,28,.55);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;line-height:1.5;overflow-x:hidden;font-weight:500}
/* heavier, more confident type site-wide — nothing reads thin */
.nav-links a,.fp-back,.caps-intro,.cap p,.tag,.lead{font-weight:600}
.brand,.btn{font-weight:700}
a{color:inherit;text-decoration:none}

/* layered ember + brain backdrop */
.backdrop{position:fixed;inset:0;z-index:-3;background:
  radial-gradient(120% 90% at 80% -10%,rgba(253,126,6,.18),transparent 55%),
  radial-gradient(90% 70% at 10% 10%,rgba(253,126,6,.10),transparent 50%),
  radial-gradient(120% 120% at 50% 120%,rgba(196,91,0,.14),transparent 55%),
  linear-gradient(180deg,#08090c,#0b0c10 40%,#08090c)}
.brain-bg{position:fixed;inset:0;z-index:-2;background:url("brain.png") no-repeat center 20vh;background-size:min(880px,88vw);
  filter:blur(3px) saturate(1.12) brightness(1.15);opacity:.40;mix-blend-mode:screen;pointer-events:none;
  -webkit-mask-image:radial-gradient(62% 54% at 50% 26%,#000,transparent 82%);mask-image:radial-gradient(62% 54% at 50% 26%,#000,transparent 82%)}
.grid-bg{position:fixed;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(80% 60% at 50% 30%,#000,transparent 80%)}
.ember{position:fixed;border-radius:50%;filter:blur(80px);z-index:-1;opacity:.5;animation:pulse 8s ease-in-out infinite}
.ember.a{width:520px;height:520px;top:-160px;right:-80px;background:radial-gradient(circle,rgba(253,126,6,.45),transparent 65%)}
.ember.b{width:420px;height:420px;bottom:-160px;left:-100px;background:radial-gradient(circle,rgba(255,157,61,.30),transparent 65%);animation-delay:2s}
@keyframes pulse{0%,100%{opacity:.4;transform:scale(1)}50%{opacity:.65;transform:scale(1.08)}}

.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* nav */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(8,9,12,.6);border-bottom:1px solid var(--hair)}
.nav-in{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em}
.brand img{width:34px;height:34px;mix-blend-mode:screen;filter:drop-shadow(0 0 12px rgba(253,126,6,.55))}
.brand .o{color:var(--accent)}
.nav-links{display:flex;gap:26px;margin-left:24px}
.nav-links a{color:var(--silver);font-size:14px;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto}

.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;border-radius:12px;padding:12px 20px;font-size:15px;transition:transform .15s ease,box-shadow .2s ease;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(180deg,#ffc06b 0%,#ff9a30 18%,var(--accent) 52%,var(--accent-deep) 100%);color:#1a0d02;box-shadow:0 10px 30px -8px rgba(253,126,6,.7),inset 0 1px 0 rgba(255,255,255,.7),inset 0 -3px 8px rgba(120,45,0,.45);text-shadow:0 1px 0 rgba(255,255,255,.18)}
.btn-primary:hover{transform:translateY(-2px);background:linear-gradient(180deg,#ffcb80 0%,#ffa53f 18%,var(--accent) 52%,var(--accent-deep) 100%);box-shadow:0 18px 46px -8px rgba(253,126,6,.92),inset 0 1px 0 rgba(255,255,255,.8),inset 0 -3px 8px rgba(120,45,0,.4)}
.btn-ghost{background:var(--glass);border:1px solid var(--hair);color:var(--ink);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:rgba(253,126,6,.5);color:#fff}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}

.eyebrow{color:var(--accent);font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.grad{background:linear-gradient(120deg,#ffd9ad,var(--accent) 45%,var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:shift 6s linear infinite}
@keyframes shift{to{background-position:200% center}}
.glass{background:var(--glass);border:1px solid var(--hair);border-radius:18px;backdrop-filter:blur(12px)}

/* feature-page hero */
.fp-hero{padding:46px 0 30px;text-align:center;position:relative}
.fp-back{position:absolute;top:14px;left:24px;color:var(--muted);font-size:13px;z-index:2}
.fp-back:hover{color:var(--accent)}
/* big translucent feature-name title (fills the old dead air above the headline) */
.fp-name{font-size:clamp(46px,8.6vw,108px);font-weight:800;letter-spacing:-.04em;line-height:1.18;margin:0 auto;padding:10px 0 4px;color:rgba(244,246,249,.55)}
.fp-hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.06;letter-spacing:-.03em;font-weight:800;margin:6px auto 0;max-width:20ch}
.fp-hero .tag{color:var(--silver);font-size:clamp(16px,2vw,20px);max-width:60ch;margin:20px auto 0}
.fp-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* the big "what it looks like" mockup window (Windows chrome) */
.shot{margin:48px auto 0;max-width:1000px;border-radius:18px;border:1px solid var(--hair);
  background:linear-gradient(180deg,rgba(20,22,28,.85),rgba(12,13,17,.9));backdrop-filter:blur(16px);
  box-shadow:0 50px 130px -30px rgba(0,0,0,.9),0 0 90px -22px rgba(253,126,6,.25);overflow:hidden}
.shot-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--hair);background:rgba(255,255,255,.02)}
.shot-bar img{width:16px;height:16px;mix-blend-mode:screen}
.shot-bar .t{color:var(--muted);font-size:12px}
.winctl{margin-left:auto;display:flex;gap:20px;align-items:center}
.winctl i{position:relative;width:11px;height:11px;display:inline-block;opacity:.55}
.winctl .min::before{content:"";position:absolute;left:0;right:0;top:50%;height:1.4px;background:var(--silver)}
.winctl .max::before{content:"";position:absolute;inset:0;border:1.4px solid var(--silver)}
.winctl .cls::before,.winctl .cls::after{content:"";position:absolute;left:50%;top:0;width:1.4px;height:100%;background:var(--silver)}
.winctl .cls::before{transform:translateX(-50%) rotate(45deg)}
.winctl .cls::after{transform:translateX(-50%) rotate(-45deg)}
.shot-body{padding:16px;min-height:300px}
/* annotated screenshot: small on-brand callout labels positioned over the image */
.shot-anno{position:relative;line-height:0}
.shot-anno img{display:block;width:100%;border-radius:8px}
.callout{position:absolute;transform:translate(-50%,-50%);background:rgba(10,11,15,.82);border:1px solid rgba(253,126,6,.6);color:var(--accent);
  font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;line-height:1.2;padding:5px 10px;border-radius:8px;
  backdrop-filter:blur(6px);box-shadow:0 6px 22px -6px rgba(0,0,0,.8),0 0 18px -4px rgba(253,126,6,.55);white-space:nowrap;pointer-events:none;z-index:2}
@media(max-width:680px){.callout{font-size:8.5px;padding:3px 7px;letter-spacing:.04em}}
/* reusable image carousel (used in .shot-body and elsewhere across the site) */
.carousel{position:relative;overflow:hidden;border-radius:8px;line-height:0}
.carousel-track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.carousel-slide{flex:0 0 100%;min-width:100%}
.carousel-slide img{display:block;width:100%;border-radius:8px}
.carousel-dots{position:absolute;bottom:12px;left:0;right:0;display:flex;gap:8px;justify-content:center;z-index:3;line-height:1}
.carousel-dot{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.28);cursor:pointer;padding:0;transition:background .2s,box-shadow .2s}
.carousel-dot.active{background:var(--accent);box-shadow:0 0 10px var(--accent)}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(10,11,15,.62);color:#fff;font-size:20px;line-height:1;cursor:pointer;backdrop-filter:blur(6px);transition:border-color .2s,color .2s,background .2s}
.carousel-arrow.prev{left:12px}.carousel-arrow.next{right:12px}
.carousel-arrow:hover{border-color:var(--accent);color:var(--accent);background:rgba(10,11,15,.82)}
.carousel-cap{position:absolute;top:12px;left:12px;z-index:3;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:rgba(10,11,15,.7);border:1px solid rgba(253,126,6,.5);border-radius:999px;padding:4px 11px;line-height:1;backdrop-filter:blur(6px)}

/* generic app mock grids used inside .shot-body */
.m-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.m-pane{border:1px solid var(--hair);border-radius:10px;background:rgba(8,9,12,.6);padding:12px;min-height:150px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;color:#9fe7c0}
.m-pane .h{display:flex;align-items:center;gap:7px;color:var(--silver);font-family:Inter,sans-serif;font-size:11px;margin-bottom:9px}
.m-pane .h b{color:var(--ink);font-weight:600}
.m-pane .chip{margin-left:auto;font-size:9.5px;color:var(--accent);border:1px solid rgba(253,126,6,.35);border-radius:6px;padding:1px 6px}
.m-pane code{display:block;opacity:.9}.m-pane .c2{color:#7cc7ff}.m-pane .c3{color:var(--silver)}
.m-side{display:grid;grid-template-columns:200px 1fr;gap:14px}
.m-list{display:grid;gap:8px}
.m-item{border:1px solid var(--hair);border-radius:9px;background:rgba(8,9,12,.55);padding:10px 12px;font-size:12px;color:var(--silver)}
.m-item.on{border-color:rgba(253,126,6,.5);color:#fff;background:rgba(253,126,6,.08)}
.m-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.m-col{border:1px solid var(--hair);border-radius:10px;background:rgba(8,9,12,.5);padding:10px;min-height:200px}
.m-col h5{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:9px}
.m-card{border:1px solid var(--hair);border-radius:8px;background:rgba(20,22,28,.7);padding:9px;font-size:11.5px;color:var(--silver);margin-bottom:8px}
.m-graph{position:relative;min-height:280px;border:1px solid var(--hair);border-radius:12px;background:radial-gradient(circle at 50% 45%,rgba(253,126,6,.08),transparent 60%)}
.m-node{position:absolute;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-size:10px;color:var(--ink);border:1px solid rgba(253,126,6,.5);background:radial-gradient(circle at 30% 30%,rgba(253,126,6,.3),rgba(20,22,28,.9));box-shadow:0 0 24px rgba(253,126,6,.3)}
.m-canvas{min-height:280px;border:1px solid var(--hair);border-radius:12px;background:
  repeating-linear-gradient(45deg,rgba(253,126,6,.05) 0 14px,transparent 14px 28px),radial-gradient(circle at 50% 40%,rgba(253,126,6,.12),transparent 60%);display:grid;place-items:center;color:var(--silver);font-size:13px}

/* sections */
section{padding:72px 0}
h2{font-size:clamp(26px,3.6vw,40px);letter-spacing:-.03em;font-weight:800;line-height:1.1}
.lead{color:var(--silver);font-size:18px;max-width:62ch;margin:14px auto 0}
.caps-intro{color:var(--silver);font-size:18px;max-width:66ch;margin:16px auto 0}
/* capability tiles — glass cards, NO icon node; title is white with ONE glimmer highlight word */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:44px auto 0;max-width:1020px;text-align:left}
.cap{padding:22px 22px 24px;border-radius:16px;transition:transform .2s ease,border-color .2s ease}
.cap:hover{transform:translateY(-3px);border-color:rgba(253,126,6,.5)}
.cap h3{font-size:16.5px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.cap p{color:var(--silver);font-size:14px;margin-top:9px;line-height:1.6}
@media(max-width:760px){.caps{grid-template-columns:1fr}}
/* audience-segmented value layout — shared row on top, then per-audience columns */
.aud-everyone{max-width:1040px;margin:44px auto 0}
.aud-label{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:16px}
.aud-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1040px;margin:30px auto 0;text-align:left}
.aud-col{padding:30px 26px;border-radius:16px}
.aud-h{font-size:clamp(22px,2.5vw,28px);font-weight:800;letter-spacing:-.02em;line-height:1.12;margin-bottom:22px;color:var(--ink)}
.aud-item{margin-bottom:18px}
.aud-item:last-child{margin-bottom:0}
.aud-item h4{font-size:15.5px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.aud-item p{font-size:13.5px;color:var(--silver);margin-top:5px;line-height:1.55;font-weight:500}
@media(max-width:760px){.aud-cols{grid-template-columns:1fr}}
@media(max-width:860px){.m-grid,.caps,.m-cols{grid-template-columns:1fr}.m-side{grid-template-columns:1fr}.nav-links{display:none}}

footer{border-top:1px solid var(--hair);padding:40px 0;color:var(--muted);font-size:13.5px;margin-top:30px}
.foot-in{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.foot-in .brand{font-size:15px}.foot-in .sp{margin-left:auto}