/* SpecMend / SiliHinge — clean consumer product landing */
:root{
  --bg:#f7f8fa;
  --paper:#ffffff;
  --ink:#12151a;
  --muted:#5c6570;
  --line:#e2e6eb;
  --accent:#1a5f8a;
  --accent-ink:#0f3d5c;
  --accent-soft:#e8f1f7;
  --ok-bg:#eaf6ef;
  --ok-line:#b8dcc6;
  --ok-ink:#1a4a2e;
  --err-bg:#f8ecec;
  --err-line:#e3c4c4;
  --err-ink:#6b2a2a;
  --sans:"Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --display:"Segoe UI", system-ui, -apple-system, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55}
body{min-height:100vh}
a{color:var(--accent-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
.wrap{width:min(1100px, calc(100% - 40px));margin:0 auto}
header.top{display:flex;align-items:center;justify-content:space-between;padding:20px 0 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:700;letter-spacing:-.01em}
.brand svg{display:block;flex-shrink:0}
.brand .pack{font-size:.72rem;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-left:4px}
.nav{display:flex;gap:22px;font-size:.88rem}
.nav a{color:var(--muted);text-decoration:none;font-weight:600}
.nav a:hover{color:var(--ink)}
.eyebrow{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:12px}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.03em;line-height:1.1}
h1{font-size:clamp(2.1rem, 5vw, 3.2rem);margin-bottom:.4em}
.subhead{font-size:clamp(1.15rem, 2.4vw, 1.45rem);color:var(--muted);font-weight:500;margin-bottom:16px;letter-spacing:-.01em}
.lead{color:var(--muted);font-size:1.05rem;max-width:44ch}
.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;padding:48px 0 36px}
.hero-visual{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(18,21,26,.06)}
.hero-visual img{display:block;width:100%;height:auto;vertical-align:middle}
.hero-visual figcaption{font-size:.72rem;color:var(--muted);padding:10px 14px 12px;letter-spacing:.02em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-weight:700;border:0;border-radius:999px;padding:13px 22px;cursor:pointer;font:inherit;text-decoration:none;font-size:.95rem}
.btn:hover{background:var(--accent-ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:12px 18px;text-decoration:none;font-weight:600}
section{padding:36px 0 12px}
h2{font-size:clamp(1.45rem, 2.6vw, 1.9rem);margin-bottom:8px}
.section-kicker{font-size:.9rem;color:var(--muted);margin-bottom:22px;max-width:58ch}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.step{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 18px}
.step .n{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:8px}
.step h3{font-size:1.1rem;margin-bottom:8px;letter-spacing:-.02em}
.step p{color:var(--muted);font-size:.92rem}
.step-visual{margin:0 0 12px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.step-visual img{display:block;width:100%;height:auto}
.pipeline{margin-top:28px;padding:18px 20px;background:var(--accent-soft);border-radius:12px;color:var(--accent-ink);font-size:.95rem;max-width:62ch}
.pipeline strong{font-weight:700}
form.wait{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;margin-top:12px;max-width:440px;box-shadow:0 8px 28px rgba(18,21,26,.04)}
.field{margin-bottom:14px}
.field label{display:block;font-size:.78rem;font-weight:700;color:var(--muted);margin-bottom:6px}
.field input{width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);padding:12px 13px;font:inherit;border-radius:10px}
.field input:focus{outline:2px solid var(--accent);outline-offset:1px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.caveats{margin-top:14px;font-size:.8rem;color:var(--muted);max-width:48ch}
footer{border-top:1px solid var(--line);margin-top:56px;padding:22px 0 40px;color:var(--muted);font-size:.8rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none;font-weight:600}
footer a:hover{color:var(--ink)}
.ok{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-ink);padding:16px 18px;border-radius:12px;margin:28px 0;max-width:52ch}
.err{background:var(--err-bg);border:1px solid var(--err-line);color:var(--err-ink);padding:10px 12px;border-radius:10px;margin-bottom:12px}
.msg-page{padding:64px 0 40px;max-width:540px}
.msg-page h1{font-size:clamp(1.6rem,3vw,2.1rem)}
.price-teaser{display:inline-block;margin-top:14px;padding:8px 14px;background:var(--paper);border:1px solid var(--line);border-radius:999px;font-size:.88rem;font-weight:600;color:var(--ink)}
@media(max-width:860px){
  .hero,.steps{grid-template-columns:1fr}
  .nav{display:none}
  .hero{padding-top:28px;gap:28px}
}