*,*::before,*::after{box-sizing:border-box;margin:0}
:root{--c-bg:#fff;--c-fg:#0f172a;--c-muted:#64748b;--c-border:#e2e8f0;--c-primary:#dc2626;--c-primary-fg:#fff;--c-card:#f8fafc;--font:-apple-system,BlinkMacSystemFont,"Inter",Segoe UI,Roboto,sans-serif;--radius:10px}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--c-fg);background:var(--c-bg);line-height:1.6;-webkit-text-size-adjust:100%}
a{color:var(--c-primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:720px;margin:0 auto;padding:0 16px}
/* ── Nav ─── */
.nav{position:sticky;top:0;background:var(--c-bg);border-bottom:1px solid var(--c-border);z-index:50;padding:12px 0}
.nav .container{display:flex;align-items:center;gap:16px;font-size:14px;font-weight:500}
.nav-logo{font-weight:700;font-size:16px;color:var(--c-fg)}
.nav a{color:var(--c-muted)}
.nav a:hover{color:var(--c-fg);text-decoration:none}
/* ── Hero ── */
.hero{padding:48px 0 32px;text-align:center}
.hero h1{font-size:clamp(24px,5vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.hero p{margin-top:12px;color:var(--c-muted);font-size:15px;max-width:480px;margin-inline:auto}
/* ── Btn ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:background .15s}
.btn-primary{background:var(--c-primary);color:var(--c-primary-fg)}
.btn-primary:hover{background:#b91c1c}
.btn-outline{background:transparent;border:1px solid var(--c-border);color:var(--c-fg)}
.btn-outline:hover{background:var(--c-card)}
/* ── Card ── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;padding:24px 0}
.card{border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;background:var(--c-card)}
.card-img{aspect-ratio:4/3;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);display:grid;place-items:center;font-size:40px;font-weight:700;color:#94a3b8}
.card-body{padding:12px}
.card-body h3{font-size:14px;font-weight:600}
.card-body p{font-size:12px;color:var(--c-muted);margin-top:4px}
.card-body .price{font-size:16px;font-weight:700;margin-top:6px}
/* ── Section */
section{padding:32px 0}
section h2{font-size:20px;font-weight:700;margin-bottom:12px}
section p{color:var(--c-muted);font-size:14px;line-height:1.8}
/* ── Form ── */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:4px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:8px 12px;border:1px solid var(--c-border);border-radius:8px;font-size:14px;font-family:var(--font)}
.form-group textarea{resize:vertical;min-height:80px}
/* ── Footer ─ */
.footer{border-top:1px solid var(--c-border);padding:24px 0;text-align:center;color:var(--c-muted);font-size:12px;margin-top:48px}
/* ── Utils ── */
.mt-4{margin-top:16px}
.mt-8{margin-top:32px}
.text-center{text-align:center}
.flex-center{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:10px;font-weight:600;background:var(--c-primary);color:var(--c-primary-fg)}