:root { --ink: #13202c; --muted: #56677a; --line: #d5dee7; --brand: #2563eb; --bg: #ffffff; --soft: #f4f6f9; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
.hero { padding: 64px 16px 40px; max-width: 880px; margin: 0 auto; }
h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); line-height: 1.15; margin: 0 0 12px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 24px; }
main { max-width: 880px; margin: 0 auto; padding: 0 16px 48px; }
section { padding: 24px 0; border-top: 1px solid var(--line); }
h2 { font-size: 1.4rem; margin: 0 0 12px; }
.btn { display: inline-block; padding: 11px 20px; background: var(--brand); color: #fff; border: 1px solid var(--brand); border-radius: 8px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--brand); }
.steps li { margin-bottom: 8px; }
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 16px; }
.shots figure { margin: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--soft); }
.shots img { display: block; width: 100%; height: auto; }
.shots figcaption { padding: 10px 12px; font-size: .9rem; color: var(--muted); }
form { display: grid; gap: 14px; max-width: 460px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; }
input, select { padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: 8px; font: inherit; color: var(--ink); background: #fff; width: 100%; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.msg { padding: 10px 12px; border-radius: 8px; max-width: 460px; }
.msg.ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.msg.err { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.note, footer { color: var(--muted); font-size: .85rem; }
footer { max-width: 880px; margin: 0 auto; padding: 0 16px 32px; }
.top { max-width: 880px; margin: 0 auto; padding: 16px 16px 0; display: flex; justify-content: space-between; align-items: center; }
.top .brand { font-weight: 700; letter-spacing: .02em; }
.top a { color: var(--brand); text-decoration: none; font-weight: 600; font-size: .9rem; }
textarea { padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: 8px; font: inherit; color: var(--ink); background: #fff; width: 100%; resize: vertical; }
html { scroll-behavior: smooth; }
.demo-badge { position: fixed; top: 10px; left: 10px; z-index: 5; font-size: .75rem; padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); }
.shot { display: block; cursor: zoom-in; }
.lightbox { position: fixed; inset: 0; z-index: 20; background: rgba(15, 23, 42, .82); display: flex; align-items: center; justify-content: center; padding: 16px; overflow: auto; cursor: zoom-out; }
.lightbox[hidden] { display: none; }
.lightbox img { display: block; max-width: min(100%, 2440px); max-height: none; width: auto; height: auto; background: #fff; border-radius: 6px; margin: auto; }
.lb-open { overflow: hidden; }
img { max-width: 100%; height: auto; }
@media (max-width: 480px) { .hero { padding: 40px 16px 24px; } .btn { padding: 11px 16px; } .shots { grid-template-columns: 1fr; } .cta .btn { display: block; margin-bottom: 8px; text-align: center; } }
@media (max-width: 700px) { .lightbox { align-items: flex-start; justify-content: flex-start; padding: 8px; } .lightbox img { max-width: none; width: 1100px; margin: 0; } }