/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: #0f172a; /* slate-900 */
    background: #ffffff;
    line-height: 1.6;
}

:root {
    --bg: #ffffff;
    --fg: #0f172a;
    --muted: #475569; /* slate-600 */
    --primary: #0ea5e9; /* sky-500 */
    --primary-dark: #0284c7; /* sky-600 */
    --surface: #f8fafc; /* slate-50 */
    --border: #e2e8f0; /* slate-200 */
    --accent: #10b981; /* emerald-500 */
}

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

h1, h2, h3, h4 { color: var(--fg); margin: 0 0 12px; line-height: 1.25; }
h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; }
h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 600; }
h4 { font-size: 18px; font-weight: 600; }
p { color: var(--muted); margin: 0 0 16px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,0.9); backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-weight: 700; }
.brand-text { line-height: 1.1; }
.brand-name { font-weight: 700; letter-spacing: 0.2px; }
.brand-legal { font-size: 12px; color: var(--muted); }
.nav { display: flex; gap: 16px; align-items: center; }
.nav a { color: var(--fg); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--primary-dark); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border); text-decoration: none; color: var(--fg); font-weight: 600; transition: transform 0.05s ease, background 0.2s ease, color 0.2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; border-color: transparent; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; }
.btn-full { width: 100%; }

/* Hero */
.hero { background: radial-gradient(1200px 600px at 70% -10%, #e0f2fe 0%, transparent 60%) no-repeat, var(--bg); }
.hero-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; padding: 56px 0; align-items: center; }
.hero-bullets { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; color: var(--fg); }
.icon-check { display: inline-block; width: 18px; height: 18px; margin-right: 8px; vertical-align: -3px; background: conic-gradient(from 0deg, var(--accent), var(--primary)); -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23000"><path d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/contain no-repeat; mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23000"><path d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/contain no-repeat; }
.hero-art { position: relative; height: 360px; }
.art.wood { position: absolute; inset: 0 0 80px 0; border-radius: 16px; background: linear-gradient(135deg, #f1f5f9, #e2e8f0); box-shadow: 0 10px 30px rgba(2, 8, 23, 0.12); }
.art.grid { position: absolute; inset: 40px 0 0 40px; border-radius: 14px; background-image: linear-gradient(90deg, rgba(2,8,23,0.06) 1px, transparent 1px), linear-gradient(0deg, rgba(2,8,23,0.06) 1px, transparent 1px); background-size: 20px 20px; }
.cta-row { display: flex; gap: 12px; margin-top: 16px; }

/* Sections */
.section { padding: 64px 0; background: var(--bg); }
.section.alt { background: var(--surface); }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: 0 4px 14px rgba(2,8,23,0.04); }
.list { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; color: var(--fg); }
.benefits { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.benefits li { color: var(--fg); }
.value { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: 0 4px 14px rgba(2,8,23,0.04); }
.value-num { font-weight: 700; color: var(--primary-dark); opacity: 0.8; margin-bottom: 6px; }

/* Process */
.process { }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.steps h4 { margin-bottom: 6px; }

/* FAQ */
.faq details { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin-top: 8px; }

/* CTA / Form */
.cta { background: radial-gradient(900px 500px at -10% 10%, #dcfce7 0%, transparent 60%) no-repeat, var(--surface); }
.form .field { margin-bottom: 12px; }
.form label { display: block; font-weight: 600; margin-bottom: 6px; }
.form input, .form textarea { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); font: inherit; color: var(--fg); background: #fff; }
.form input:focus, .form textarea:focus { outline: 2px solid rgba(14,165,233,0.35); border-color: var(--primary); }
.form .error { display: block; min-height: 18px; font-size: 12px; color: #dc2626; margin-top: 4px; }
.form-note { font-size: 12px; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #fff; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; padding: 18px 0; gap: 10px; }
.brand-minor { font-weight: 600; }
.foot-note { color: var(--muted); font-size: 14px; }

/* Responsiveness */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; }
    .cols-2 { grid-template-columns: 1fr; }
    .cols-3 { grid-template-columns: 1fr 1fr; }
    .grid.cards { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .nav { display: none; }
    .grid.cards { grid-template-columns: 1fr; }
    .cols-3 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .hero-art { height: 220px; }
}