:root {
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-soft: #F1F5F9;
    --text: #0F172A;
    --text-muted: #475569;
    --text-soft: #64748B;
    --border: #E2E8F0;
    --accent: #115E59;
    --accent-strong: #0F4F4A;
    --accent-soft: #E8F2F0;
    --max-width: 1120px;
    --radius: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; color: var(--text); font-weight: 700; letter-spacing: -0.015em; }
h1 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; letter-spacing: -0.025em; margin-bottom: 18px; }
h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 14px; }
h3 { font-size: 18px; margin-bottom: 8px; }

p { color: var(--text-muted); margin-bottom: 14px; }
.lead { font-size: clamp(16px, 1.5vw, 18px); color: var(--text-muted); max-width: 680px; }
.muted { color: var(--text-muted); }
.eyebrow { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 12px; }

ul { padding-left: 20px; color: var(--text-muted); }
ul li { margin-bottom: 6px; }

/* Skip link */
.skip-link { position: absolute; left: -9999px; top: 0; background: #000; color: #fff; padding: 10px 14px; z-index: 1000; }
.skip-link:focus { left: 16px; top: 16px; }

/* Header / Nav */
header.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; color: var(--text); font-size: 18px; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: #fff; font-weight: 800; font-size: 14px; letter-spacing: 0; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.nav-links a.active { color: var(--accent); }
.lang-switch { font-size: 13px; padding: 6px 11px; border: 1px solid var(--border); border-radius: 6px; color: var(--text-muted); font-weight: 600; }
.lang-switch:hover { border-color: var(--text); color: var(--text); }

.nav-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; color: var(--text); }
.nav-toggle svg { display: block; }

@media (max-width: 768px) {
    .nav-toggle { display: inline-flex; }
    .nav-links {
        position: absolute; top: 66px; left: 0; right: 0;
        flex-direction: column; gap: 4px; padding: 14px 24px 20px;
        background: #fff; border-bottom: 1px solid var(--border);
        align-items: stretch; display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 10px 0; font-size: 16px; border-bottom: 1px solid var(--bg-soft); }
    .nav-links a:last-child { border-bottom: none; }
}

/* Buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 8px; font-weight: 600; font-size: 15px; cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; border: 1px solid transparent; font-family: inherit; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text); color: var(--text); }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Hero */
.hero { padding: 80px 0 56px; }
.hero .lead { margin-bottom: 28px; }

/* Sections */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: 36px; }

/* Grids */
.grid-3, .grid-2, .grid-4 { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Card */
.card { background: var(--bg-alt); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 14.5px; margin-bottom: 0; line-height: 1.6; }
.card.plain { background: #fff; }

/* Stats */
.stat { padding: 22px 20px; background: var(--bg-alt); border-radius: var(--radius-lg); border: 1px solid var(--border); }
.stat-num { font-size: 30px; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.stat-lbl { font-size: 13.5px; color: var(--text-muted); margin-top: 4px; }

/* Definition list */
.def-list { display: grid; grid-template-columns: 220px 1fr; gap: 18px 28px; padding: 8px 0; }
.def-list dt { font-weight: 600; color: var(--text); font-size: 15px; }
.def-list dd { color: var(--text-muted); font-size: 15px; }
@media (max-width: 640px) { .def-list { grid-template-columns: 1fr; gap: 4px 0; } .def-list dd { margin-bottom: 14px; } }

/* Field list (data page) */
.field-block { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.field-block h3 { font-size: 17px; margin-bottom: 12px; }
.field-block ul { list-style: none; padding: 0; columns: 2; column-gap: 24px; }
.field-block ul li { font-size: 14px; color: var(--text-muted); padding: 5px 0; break-inside: avoid; }
.field-block ul li::before { content: "—"; color: var(--accent); margin-right: 8px; font-weight: 600; }
@media (max-width: 640px) { .field-block ul { columns: 1; } }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
.form { display: grid; gap: 16px; }
.form label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form .req { color: #B91C1C; }
.form input, .form select, .form textarea {
    width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid var(--border);
    background: #fff; font-size: 15px; color: var(--text); font-family: inherit;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form textarea { min-height: 150px; resize: vertical; line-height: 1.55; }
.form .hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-msg { padding: 12px 14px; border-radius: 8px; font-size: 14px; display: none; }
.form-msg.success { display: block; background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.form-msg.error { display: block; background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.contact-aside { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; font-size: 15px; }
.contact-aside h3 { font-size: 16px; margin-bottom: 14px; }
.contact-aside p { font-size: 14.5px; margin-bottom: 12px; }
.contact-aside a { word-break: break-all; }

/* CTA strip */
.cta-strip { background: var(--accent); color: #fff; padding: 48px 0; }
.cta-strip h2 { color: #fff; margin-bottom: 10px; }
.cta-strip p { color: rgba(255,255,255,0.85); margin-bottom: 20px; max-width: 620px; }
.cta-strip .btn-primary { background: #fff; color: var(--accent); border-color: #fff; }
.cta-strip .btn-primary:hover { background: var(--bg-alt); color: var(--accent-strong); }
.cta-strip .btn-outline { color: #fff; border-color: rgba(255,255,255,0.4); }
.cta-strip .btn-outline:hover { border-color: #fff; color: #fff; }

/* Footer */
footer.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 48px 0 28px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-size: 14px; margin-bottom: 12px; color: var(--text); }
.footer-grid a { display: block; color: var(--text-muted); font-size: 14px; padding: 5px 0; }
.footer-grid a:hover { color: var(--accent); text-decoration: none; }
.footer-tag { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; max-width: 320px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 22px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--text-soft); }

/* Consent banner */
#cookie-banner {
    position: fixed; left: 16px; right: 16px; bottom: 16px;
    max-width: 720px; margin: 0 auto; padding: 18px 20px;
    background: #fff; border: 1px solid var(--border); border-radius: 12px;
    box-shadow: 0 10px 30px rgba(15,23,42,0.12);
    z-index: 1000; display: none;
}
#cookie-banner.show { display: block; }
#cookie-banner p { font-size: 14px; color: var(--text); margin-bottom: 14px; line-height: 1.55; }
#cookie-banner .actions { display: flex; gap: 8px; flex-wrap: wrap; }
#cookie-banner button { padding: 9px 16px; font-size: 14px; border-radius: 7px; cursor: pointer; border: 1px solid var(--border); background: #fff; color: var(--text); font-family: inherit; font-weight: 600; }
#cookie-banner button:hover { border-color: var(--text); }
#cookie-banner button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
#cookie-banner button.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

/* Utility */
.mt-0 { margin-top: 0; }
.mt-12 { margin-top: 12px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.text-center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; animation: none !important; }
}