/* OfflineAIBox — Research landing (modern/lean, Julius-inspired). Self-contained;
   does not touch the home stylesheet. */
:root{
  --bg:#ffffff;
  --bg-soft:#f6f7f9;
  --bg-ink:#0b0b12;
  --ink:#0b0b12;
  --ink-2:#565a66;
  --ink-3:#8a8f9a;
  --line:#ececef;
  --line-2:#e2e2e7;
  --accent:#ff5c3d;
  --accent-2:#ff8a3d;
  --accent-soft:#fff1ec;
  --on-accent:#ffffff;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(11,11,18,.04), 0 12px 32px -12px rgba(11,11,18,.12);
  --shadow-lg:0 40px 80px -28px rgba(11,11,18,.28);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.55;letter-spacing:-.011em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
h1{font-size:clamp(2.6rem,5.6vw,4.6rem);line-height:1.03;letter-spacing:-.03em;font-weight:800}
h2{font-size:clamp(1.9rem,3.6vw,3rem);line-height:1.06;letter-spacing:-.025em;font-weight:800}
h3{font-size:1.16rem;line-height:1.25;letter-spacing:-.015em;font-weight:750}
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:800;letter-spacing:-.02em}
.brand-mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{color:var(--ink-2);font-weight:600;font-size:.93rem}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:.7rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:46px;padding:0 1.15rem;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{box-shadow:0 14px 30px -12px rgba(11,11,18,.5)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}
.btn-accent:hover{box-shadow:0 16px 34px -12px rgba(255,92,61,.6)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-lg{height:54px;padding:0 1.5rem;font-size:1rem}
.btn-sm{height:40px;font-size:.9rem;padding:0 1rem}

/* pill / eyebrow */
.pill{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .8rem;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:.01em;border:1px solid rgba(255,92,61,.16)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* hero */
.hero{position:relative;text-align:center;padding:clamp(3.4rem,7vw,6rem) 0 0;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% 0 auto;height:560px;z-index:-1;
  background:radial-gradient(60% 60% at 50% 0%,rgba(255,138,61,.14),rgba(255,92,61,.05) 45%,transparent 72%)}
.hero .pill{margin-bottom:1.4rem}
.hero h1{max-width:16ch;margin:0 auto 1.15rem}
.hero .sub{max-width:60ch;margin:0 auto;color:var(--ink-2);font-size:clamp(1.05rem,1.6vw,1.28rem)}
.hero-actions{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap;margin:1.9rem 0 1rem}
.hero-trust{display:inline-flex;flex-wrap:wrap;gap:.4rem 1.1rem;justify-content:center;color:var(--ink-3);font-size:.88rem;font-weight:600}
.hero-trust b{color:var(--ink-2);font-weight:700}
.hero-trust .sep{color:var(--line-2)}
.hero-shot{margin:clamp(2.4rem,5vw,4rem) auto 0;max-width:1080px}

/* framed screenshot */
.frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-2);background:#fff;box-shadow:var(--shadow-lg)}
.frame img{width:100%;height:auto}
.frame.soft{box-shadow:var(--shadow)}
.hero-art{margin:clamp(1.6rem,3.5vw,2.8rem) auto 0;max-width:840px;filter:drop-shadow(0 34px 64px rgba(11,11,18,.12))}
.hero-art img{width:100%;height:auto}

/* logo / audience strip */
.strip{padding:clamp(2.2rem,4vw,3rem) 0}
.strip p{text-align:center;color:var(--ink-3);font-weight:650;font-size:.9rem;letter-spacing:.02em}
.strip .row{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;margin-top:1rem}
.strip .row span{padding:.5rem .9rem;border:1px solid var(--line);border-radius:999px;color:var(--ink-2);font-weight:650;font-size:.9rem;background:#fff}

/* section shell */
.section{padding:clamp(3.6rem,7vw,6rem) 0}
.section.soft{background:var(--bg-soft)}
.head{max-width:720px;margin:0 auto clamp(2rem,4vw,3rem);text-align:center}
.head .pill{margin-bottom:1rem}
.head p{color:var(--ink-2);font-size:1.06rem;margin-top:.9rem}

/* alternating feature rows */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.8rem,4vw,4rem);align-items:center;padding:clamp(1.4rem,3vw,2.2rem) 0}
.feature.rev .f-copy{order:2}
.feature .pill{margin-bottom:1rem}
.feature h2{font-size:clamp(1.6rem,2.6vw,2.3rem)}
.feature p{color:var(--ink-2);font-size:1.05rem;margin-top:.9rem}
.feature ul{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.55rem}
.feature li{display:flex;gap:.6rem;align-items:flex-start;color:var(--ink);font-weight:600}
.feature li::before{content:"";flex:none;margin-top:.42rem;width:16px;height:16px;border-radius:50%;
  background:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M6.4 10.2 4 7.9l-1 1L6.4 12l6-6-1-1z' fill='%23ff5c3d'/%3E%3C/svg%3E");
  background-size:16px 16px}

/* bento grid */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;background:#fff;transition:border-color .15s,transform .15s,box-shadow .15s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.card .ico{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);margin-bottom:1rem;font-size:1.15rem}
.card h3{margin-bottom:.4rem}
.card p{color:var(--ink-2);font-size:.97rem}
.card.span2{grid-column:span 2}
.card.dark{background:var(--bg-ink);border-color:#20212b;color:#fff}
.card.dark p{color:#aeb2be}
.card.dark .ico{background:rgba(255,92,61,.18)}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.stats div{padding:1.8rem 1rem;text-align:center;border-right:1px solid var(--line)}
.stats div:last-child{border-right:none}
.stats b{display:block;font-size:clamp(2rem,3.5vw,2.7rem);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stats span{color:var(--ink-2);font-weight:600;font-size:.92rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;counter-reset:s}
.step{border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.2rem;background:#fff}
.step b{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--ink);color:#fff;font-weight:800;font-size:.9rem;margin-bottom:.8rem}
.step p{color:var(--ink-2);font-size:.95rem;margin-top:.3rem}

/* public-AI / traditional-software comparison */
.comparison-stack{display:grid;gap:1.35rem}
.comparison-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.comparison-title{padding:1.35rem 1.5rem;border-bottom:1px solid var(--line);background:linear-gradient(135deg,var(--accent-soft),#fff)}
.comparison-title h3{font-size:clamp(1.2rem,2vw,1.45rem)}
.comparison-title p{margin-top:.35rem;color:var(--ink-2)}
.comparison-scroll{overflow-x:auto}
.comparison-table{width:100%;min-width:700px;border-collapse:collapse;text-align:left}
.comparison-table th{padding:.8rem 1.15rem;background:var(--bg-ink);color:#fff;font-size:.78rem;letter-spacing:.045em;text-transform:uppercase}
.comparison-table th:first-child{width:42%}
.comparison-table td{padding:.9rem 1.15rem;border-top:1px solid var(--line);vertical-align:top;font-size:.94rem;line-height:1.45}
.comparison-table tbody tr:first-child td{border-top:0}
.comparison-table td:first-child{color:var(--ink-2)}
.comparison-table td:last-child{font-weight:620}
.comparison-note{margin-top:1rem;color:var(--ink-3);font-size:.86rem;text-align:center}

/* CTA */
.cta{text-align:center;background:var(--bg-ink);color:#fff;border-radius:clamp(20px,3vw,32px);padding:clamp(3rem,6vw,5rem) 1.5rem;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:auto 0 -40% 0;height:340px;background:radial-gradient(50% 80% at 50% 100%,rgba(255,92,61,.4),transparent 70%)}
.cta h2{position:relative}
.cta p{position:relative;color:#b9bcc6;max-width:52ch;margin:1rem auto 1.8rem;font-size:1.08rem}
.cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.cta .btn-ghost:hover{border-color:#fff}

/* footer */
.footer{border-top:1px solid var(--line);padding:2.2rem 0;color:var(--ink-3)}
.footer-in{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}
.footer b{color:var(--ink)}
.footer a{color:var(--ink-2);font-weight:600}
.footer a:hover{color:var(--ink)}

@media(max-width:900px){
  .nav-links{display:none}
  .bento{grid-template-columns:repeat(2,1fr)}
  .card.span2{grid-column:span 2}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div:nth-child(2){border-right:none}
  .stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr}
  .feature.rev .f-copy{order:0}
}
@media(max-width:560px){
  .bento,.stats,.steps{grid-template-columns:1fr}
  .stats div{border-right:none;border-bottom:1px solid var(--line)}
  .card.span2{grid-column:span 1}
  .comparison-scroll{overflow:visible}
  .comparison-table{min-width:0}
  .comparison-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .comparison-table,.comparison-table tbody,.comparison-table tr,.comparison-table td{display:block;width:100%}
  .comparison-table tr{padding:.95rem 1rem;border-top:1px solid var(--line)}
  .comparison-table tbody tr:first-child{border-top:0}
  .comparison-table td{padding:.22rem 0;border:0;font-size:.9rem}
  .comparison-table td::before{content:attr(data-label);display:block;margin-bottom:.1rem;color:var(--ink-3);font-size:.68rem;font-weight:800;letter-spacing:.045em;text-transform:uppercase}
  .comparison-table td:first-child{margin-bottom:.45rem}
  .comparison-title{padding:1.15rem 1rem}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}