:root{
  --ink:#0B1B2B;--ink2:#12273B;--line-d:#1E3247;--text:#14212E;--body:#2E3B48;--muted:#3B4957;
  --soft:#F4F7F9;--line:#E3E9EE;--accent:#0E7C66;--accent-d:#0A5C4C;--mint:#3FD0A8;--amber:#B85C00;
  --pale:#C9D6E2;--pale2:#9FB2C4;--faint:#8EA3B7
}
*{box-sizing:border-box}
html{color-scheme:light;scroll-behavior:smooth}
body{margin:0;font-family:'Source Sans 3',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:17px;line-height:1.6;color:var(--text);background:#fff}
a{color:var(--accent)}a:hover{color:var(--accent-d)}
h1,h2,h3{font-family:'Sora',system-ui,sans-serif;letter-spacing:-.015em;line-height:1.15;margin:0}
p{margin:0}
:focus-visible{outline:3px solid var(--mint);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:16px;top:16px;background:#fff;color:var(--text);padding:8px 14px;border-radius:6px;z-index:10}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.section{padding-block:96px}
.section-sm{padding-block:48px}
.page-hero{padding-block:80px}
.soft{background:var(--soft)}
.white{background:#fff}
.bordered{border-bottom:1px solid var(--line)}
.dark{background:var(--ink);color:#fff}
.dark p,.dark .lead{color:var(--pale)}
.dark a:not(.btn){color:var(--mint)}

.eyebrow{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.dark .eyebrow{color:var(--mint)}
.h1{font-size:clamp(36px,5vw,54px);line-height:1.08;letter-spacing:-.02em;font-weight:700;margin-bottom:24px}
.h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:20px}
.h3{font-size:20px;margin-bottom:8px}
.lead{font-size:19px;color:var(--muted);max-width:720px}
.hero-lead{font-size:20px;max-width:580px;margin-bottom:36px}
.small{font-size:15px}
.tiny{font-size:14px}
.faint{color:var(--pale2)}
.mt{margin-top:28px}
.mt-s{margin-top:14px}
.mb{margin-bottom:40px}
.center{text-align:center}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace}
code{font-family:'JetBrains Mono',ui-monospace,monospace;color:#fff}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:17px;font-family:inherit;text-decoration:none;border:1px solid transparent;cursor:pointer;line-height:1.2}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);color:#fff}
.btn-ghost{color:#fff;border-color:#47617A;background:transparent}
.btn-ghost:hover{color:#fff;border-color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* header */
.site-header{background:var(--ink);border-bottom:1px solid var(--line-d)}
.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-block:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:'Sora',sans-serif;font-weight:700;font-size:22px;letter-spacing:-.01em}
.brand:hover{color:#fff}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;font-size:16px}
.nav-links a{color:var(--pale);text-decoration:none}
.nav-links a:hover,.nav-links a[aria-current=page]{color:#fff}
.nav-links a.btn{padding:10px 18px;font-size:16px;color:#fff}

/* layout helpers */
.split{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.split>*{flex:1 1 440px;min-width:0}
.split.top{align-items:flex-start}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-s{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--soft);border-radius:14px;padding:28px}
.card h3{margin:14px 0 8px;font-size:20px}
.card.plain h3{margin-top:0}
.card p{color:var(--muted)}
.card-line{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.card-line h3{font-size:19px;margin-bottom:8px}
.card-line p{color:var(--muted);font-size:16px}
.card-link{text-decoration:none;color:inherit;display:block}
.card-link:hover{color:inherit;border-color:var(--accent)}
.card-link .more{display:inline-block;margin-top:14px;color:var(--accent);font-weight:600}
.topline{border-top:3px solid var(--text);padding-top:20px}
.topline h3{margin-bottom:10px}
.topline p{color:var(--muted)}
.thinline{border-top:1px solid #C9D3DC;padding-top:18px}
.thinline h3{font-size:18px;margin-bottom:6px}
.thinline p{color:var(--muted);font-size:16px}
.steps{list-style:none;margin:0;padding:0}
.num{font-family:'JetBrains Mono',ui-monospace,monospace;color:var(--accent);font-size:14px;margin-bottom:10px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips.centered{justify-content:center}
.chip{border:1px solid #C9D3DC;background:#fff;border-radius:999px;padding:8px 16px;font-weight:600;font-size:15px}
.chip.custom{border-style:dashed;border-color:#8A9AA8;color:var(--muted);background:transparent}
.strip-label{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-align:center;margin-bottom:22px}

/* product mock */
.panel{background:#fff;color:var(--text);border-radius:14px;box-shadow:0 30px 60px rgba(0,0,0,.35);overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--soft);font-weight:700;font-size:15px}
.tag{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:11px;font-weight:500;color:var(--muted)}
.panel-body{padding:22px 20px;display:flex;flex-direction:column;gap:18px}
.bar-label{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-bottom:6px}
.bar-label b{font-weight:600}
.bar-label span{color:var(--muted);text-align:right}
.bar{height:10px;background:var(--line);border-radius:5px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent)}
.bar i.warn{background:var(--amber)}
.w41{width:41%}.w58{width:58%}.w72{width:72%}.w86{width:86%}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:4px}
.stat{border:1px solid var(--line);border-radius:10px;padding:12px}
.stat b{display:block;font-family:'Sora',sans-serif;font-size:24px}
.stat span{display:block;font-size:12px;color:var(--muted);line-height:1.35}
.mock-note{font-size:12px;color:var(--faint);margin-top:10px;text-align:right}

/* checklist + portfolio */
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.checks li{display:flex;gap:14px}
.checks svg{flex:none;margin-top:3px}
.dark .checks li{color:#E2EAF1}
.dark .checks strong{color:#fff}
.portfolio{background:var(--ink2);border:1px solid #24405A;border-radius:14px;padding:22px}
.portfolio-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;margin-bottom:6px}
.portfolio-head .tag{color:var(--faint)}
.row-item{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--ink);border-radius:10px;padding:14px 16px;margin-top:10px}
.row-item b{font-weight:600;display:block}
.row-item small{display:block;color:var(--faint);font-size:13px}
.pill{font-size:13px;font-weight:600;color:var(--ink);background:var(--mint);border-radius:6px;padding:4px 10px;white-space:nowrap}
.pill.warn{background:#F5B86A}

/* AI list */
.ai-list{background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 28px}
.ai-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.ai-item:last-child{border-bottom:0}
.ai-item .num{width:28px;flex:none;margin:2px 0 0}
.ai-item b{display:block}
.ai-item p{color:var(--muted);font-size:16px}

/* founder */
.founder{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.founder>div:last-child{flex:1 1 520px;min-width:0}
.avatar{width:168px;height:168px;border-radius:50%;background:var(--ink);display:flex;align-items:center;justify-content:center;color:var(--mint);font-family:'Sora',sans-serif;font-weight:700;font-size:52px;flex:none}
blockquote{margin:0 0 22px;font-family:'Sora',sans-serif;font-size:clamp(22px,2.4vw,28px);line-height:1.35;letter-spacing:-.01em}
.byline{font-weight:700;font-size:18px}
.creds{margin-top:6px;color:var(--muted);font-size:16px;max-width:660px}

/* FAQ */
details{border-top:1px solid var(--line);padding:20px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{font-weight:700;font-size:18px;cursor:pointer}
details p{margin-top:12px;color:var(--muted)}

/* forms */
.form{background:#fff;color:var(--text);border-radius:14px;padding:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.full{grid-column:1/-1}
.form label{font-weight:600;font-size:15px}
.form input,.form select,.form textarea{font:inherit;border:1px solid #A9B6C2;border-radius:8px;padding:12px;min-height:44px;background:#fff;color:var(--text);width:100%}
.form textarea{resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start}
.form .check input{width:20px;height:20px;min-height:0;flex:none;margin-top:3px;padding:0}
.form .check label{font-weight:400;color:var(--muted)}
.form .btn{width:100%;min-height:48px;font-weight:700}
.form-status{color:var(--accent-d);font-size:15px}
.contact-lines{display:flex;flex-direction:column;gap:8px;font-size:16px}

/* book */
.book-wrap{display:flex;justify-content:center}
.book{width:280px;height:410px;background:var(--soft);border-radius:6px 12px 12px 6px;box-shadow:0 30px 60px rgba(0,0,0,.45),inset 10px 0 0 #D5DEE6;padding:36px 30px 30px 40px;display:flex;flex-direction:column;justify-content:space-between;color:var(--ink)}
.book-title{font-family:'Sora',sans-serif;font-weight:700;font-size:38px;line-height:1;letter-spacing:-.02em;margin-top:22px}
.book-sub{font-size:15px;line-height:1.4;color:var(--muted);margin-top:14px}
.book-author{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13px;letter-spacing:.06em;text-transform:uppercase}

/* prose / legal */
.prose h2{font-size:24px;margin:40px 0 12px}
.prose p,.prose li{color:var(--body)}
.prose ul{padding-left:22px;display:flex;flex-direction:column;gap:8px;margin:12px 0}
.prose p+p{margin-top:12px}
.callout{background:var(--ink);color:#E2EAF1;border-radius:14px;padding:26px 28px;margin-bottom:8px}
.callout strong{display:block;font-family:'Sora',sans-serif;font-size:19px;color:#fff;margin-bottom:8px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:18px 0}
table{width:100%;min-width:560px;border-collapse:collapse;font-size:16px}
th,td{padding:14px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--soft)}
tbody tr:last-child td{border-bottom:0}
td{color:var(--body)}
td:first-child{font-weight:600;color:var(--text)}

/* CTA band */
.cta{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px}
.cta h2{margin-bottom:8px}

/* footer */
.site-footer{background:#071320;color:var(--pale2);font-size:15px}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;padding-block:48px}
.footer-about{max-width:360px}
.footer-about .brand{font-size:18px;margin-bottom:10px}
.footer-cols{display:flex;flex-wrap:wrap;gap:48px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col strong{color:#fff;font-weight:600}
.site-footer a{color:var(--pale2);text-decoration:none}
.site-footer a:hover{color:#fff}
.footer-base{border-top:1px solid var(--line-d);padding-block:18px 32px;font-size:13px}

@media (max-width:640px){
  .section{padding-block:72px}
  .page-hero{padding-block:56px}
  .form{padding:24px}
  .stats{grid-template-columns:1fr}
}