/* Ingenious Hub — the Atrium. Shared design system for getingeniousai.com.
   Identity: DESIGN-IDENTITY.md. Plain CSS, no build step. */
:root{
  --stone:#f5f4f0; --stone2:#eceae3; --sheet:#ffffff;
  --ink:#17181c; --ink2:#23252b;
  --txt:#33363d; --mut:#5d616b;
  --line:#ddd9cf; --line-strong:#b9b4a6;
  --slate:#45536a; --slate-deep:#2f3a4e; --slate-wash:#e8ebef;
  --paper-on-ink:#f2f0e9; --mut-on-ink:#b9bcc4;
  --ok:#177245; --bad:#b3261e;
  --fd:"Fraunces",Georgia,"Times New Roman",serif;
  --fb:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--stone);color:var(--txt);font-family:var(--fb);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
::selection{background:var(--slate);color:#fff}
a{color:var(--slate-deep);text-underline-offset:3px;transition:color .16s ease}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--slate);outline-offset:2px;border-radius:4px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* Header */
.site-head{border-bottom:1px solid var(--line-strong);background:var(--stone)}
.site-head .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.wordmark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.wordmark .mark{width:14px;height:14px;background:var(--slate);border-radius:3px;flex:none}
.wordmark .wm-text{font-family:var(--fd);font-weight:700;font-size:1.3rem;letter-spacing:-.015em;line-height:1}
.wordmark .wm-text em{font-style:italic;font-weight:600;color:var(--slate-deep)}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;text-decoration:none;color:var(--txt);font-weight:500;font-size:.95rem;border-radius:8px;transition:background .16s ease,color .16s ease}
.site-nav a:hover{background:var(--slate-wash);color:var(--ink)}
.site-nav a[aria-current="page"]{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--slate)}
.site-nav a.nav-cta{background:var(--ink);color:var(--paper-on-ink);padding:0 18px;margin-left:8px;font-weight:600}
.site-nav a.nav-cta:hover{background:var(--slate-deep);color:#fff}

/* Hero */
.hero{padding:64px 0 40px}
.eyebrow{margin:0 0 16px;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-deep)}
.eyebrow::before{content:"";display:inline-block;width:9px;height:9px;background:var(--slate);border-radius:2px;margin-right:10px;vertical-align:1px}
h1{font-family:var(--fd);font-weight:700;letter-spacing:-.015em;color:var(--ink);font-size:clamp(2.1rem,4.4vw,3.1rem);line-height:1.08;margin:0 0 16px}
.hero h1{font-size:clamp(2.6rem,5.4vw,4rem);line-height:1.04;max-width:15ch}
.hero h1 em{font-style:italic;font-weight:600;color:var(--slate-deep)}
.lead{font-size:1.19rem;line-height:1.6;color:var(--txt);max-width:62ch;margin:0 0 28px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:10px;background:var(--ink);color:var(--paper-on-ink);text-decoration:none;font-weight:600;font-size:1rem;border:1px solid var(--ink);transition:background .18s ease,border-color .18s ease,transform .18s ease}
.btn:hover{background:var(--slate-deep);border-color:var(--slate-deep);color:#fff}
.btn:active{transform:translateY(1px)}
.btn-light{background:var(--paper-on-ink);color:var(--ink);border-color:var(--paper-on-ink)}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn-ghost{background:transparent;color:var(--paper-on-ink);border-color:var(--mut-on-ink)}
.btn-ghost:hover{background:var(--ink2);border-color:var(--paper-on-ink);color:#fff}
.text-link{display:inline-flex;align-items:center;min-height:48px;font-weight:600;text-decoration:none;color:var(--slate-deep)}
.text-link:hover{color:var(--ink);text-decoration:underline}

/* Index strip */
.index-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:8px 0 0}
.index-strip .wrap{display:flex;flex-wrap:wrap;gap:2px 6px;align-items:center}
.index-strip .strip-label{font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin-right:10px}
.index-strip a{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;text-decoration:none;font-size:.92rem;font-weight:500;color:var(--txt);border-radius:6px;transition:background .16s ease,color .16s ease}
.index-strip a:hover{background:var(--slate-wash);color:var(--ink)}

/* Sections */
section{padding:48px 0 8px}
h2{font-family:var(--fd);font-weight:700;letter-spacing:-.015em;color:var(--ink);font-size:clamp(1.45rem,2.8vw,1.9rem);line-height:1.15;margin:0 0 12px}
h3{font-size:1.18rem;color:var(--ink);margin:0 0 8px}
.section-lead{color:var(--mut);max-width:68ch;margin:0 0 24px}
p{margin:0 0 16px;max-width:68ch}
ul{margin:0 0 16px;padding-left:22px}
li{margin:6px 0}

/* Platform grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-top:8px}
.card{background:var(--sheet);border:1px solid var(--line);border-radius:14px;padding:22px 22px 14px;position:relative;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--cue,var(--slate))}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(23,24,28,.10);border-color:var(--line-strong)}
.card .card-top{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
.card .idx{font-size:.78rem;font-weight:700;color:var(--slate-deep);background:var(--slate-wash);border-radius:6px;padding:2px 7px;flex:none}
.card h3{font-family:var(--fd);font-weight:700;letter-spacing:-.01em;font-size:1.22rem;margin:0}
.card p{color:var(--mut);font-size:.95rem;line-height:1.6;margin:0 0 14px;max-width:none}
.card .price{color:var(--ink);font-size:.88rem;font-weight:600;margin-top:auto}
.card a.open{display:inline-flex;align-items:center;min-height:44px;font-weight:600;font-size:.95rem;text-decoration:none;color:var(--slate-deep)}
.card a.open:hover{color:var(--ink);text-decoration:underline}

/* Platform list (about) */
.plat-list{list-style:none;padding:0;margin:8px 0 16px;border-top:1px solid var(--line)}
.plat-list li{margin:0;border-bottom:1px solid var(--line);padding:14px 0 14px 14px;border-left:3px solid var(--cue,var(--slate))}
.plat-list a{display:inline-flex;align-items:center;min-height:44px;font-family:var(--fd);font-weight:700;font-size:1.05rem;text-decoration:none;color:var(--ink)}
/* Inline prose links: expanded hit area without disturbing line flow */
section p a, .site-foot p a{padding:.7em .15em;margin:-.7em -.15em}
.site-foot p a{padding:.9em .15em;margin:-.9em -.15em}
.plat-list a:hover{color:var(--slate-deep);text-decoration:underline}

/* Suite band */
.suite{background:var(--ink);color:var(--paper-on-ink);border-radius:18px;padding:36px;margin:48px 0 8px}
.suite h2{color:var(--paper-on-ink)}
.suite p{color:var(--mut-on-ink);max-width:62ch}
.suite .eyebrow{color:var(--mut-on-ink)}
.suite .eyebrow::before{background:var(--paper-on-ink)}
.suite-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}

/* Contact email panel */
.mail-panel{background:var(--sheet);border:1px solid var(--line);border-radius:14px;padding:24px;margin:8px 0 24px;max-width:68ch}
.mail-panel .mail-addr{font-family:var(--fd);font-size:1.3rem;font-weight:700}
.mail-panel a{display:inline-flex;align-items:center;min-height:44px}

/* Footer */
.site-foot{background:var(--stone2);border-top:1px solid var(--line-strong);margin-top:64px;padding:36px 0 44px;color:var(--mut);font-size:.92rem}
.site-foot .foot-brand{font-family:var(--fd);font-weight:700;color:var(--ink);font-size:1.1rem;margin:0 0 6px}
.site-foot p{max-width:none;margin:0 0 10px}
.site-foot nav{display:flex;flex-wrap:wrap;gap:2px 6px;margin:6px 0 14px}
.site-foot nav a,.site-foot .plat-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;text-decoration:none;color:var(--slate-deep);font-weight:500;border-radius:6px;transition:background .16s ease,color .16s ease}
.site-foot nav a:hover,.site-foot .plat-links a:hover{background:var(--slate-wash);color:var(--ink)}
.site-foot .plat-links{display:flex;flex-wrap:wrap;gap:2px 4px;align-items:center}
.site-foot .plat-links .strip-label{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin-right:8px}
.site-foot a{color:var(--slate-deep)}

/* Page header for subpages */
.page-head{padding:48px 0 8px}
.page-head .sub{color:var(--mut);font-size:1.1rem;max-width:62ch;margin:0}

@media (max-width:640px){
  .wrap{padding:0 18px}
  .hero{padding:40px 0 28px}
  .site-nav{margin-left:0}
  .site-nav a{padding:0 10px}
  .grid{grid-template-columns:1fr}
  .suite{padding:26px 22px}
  section{padding:36px 0 4px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important}
  .card:hover{transform:none}
}