:root {
    --primary: #1a56a8;
    --primary-light: #4A90E2;
    --secondary: #0d9488;
    --accent: #f59e0b;
    --bg: #f4f7fb;
    --bg-dark: #0f172a;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --ok: #059669;
    --bad: #dc2626;
    --border: #e2e8f0;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --radius: 16px;
    --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
}

img { max-width: 100%; }

a { color: var(--primary-light); }

/* —— Header —— */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(15, 23, 42, 0.92);
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #fff;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.brand-text strong { display: block; font-size: 1rem; line-height: 1.2; }
.brand-text span { font-size: 0.75rem; opacity: 0.75; }

.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    border-radius: 10px;
    font-size: 1.4rem;
    padding: 0.25rem 0.6rem;
    cursor: pointer;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
}

.nav-list a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
}

.nav-list a:hover { color: #fff; text-decoration: underline; }

/* —— Hero —— */
.hero {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(74,144,226,0.35), transparent 50%),
        radial-gradient(ellipse at 80% 0%, rgba(13,148,136,0.25), transparent 45%),
        var(--bg-dark);
    color: #fff;
    padding: 4rem 1.25rem 3.5rem;
}

.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.hero-badge {
    display: inline-block;
    background: rgba(245,158,11,0.15);
    color: #fcd34d;
    border: 1px solid rgba(245,158,11,0.35);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    line-height: 1.15;
    margin: 0.75rem 0;
    max-width: 18ch;
}

.hero-lead {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.82);
    max-width: 52ch;
    margin: 0 0 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.8rem 1.25rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    color: #fff;
    box-shadow: 0 8px 20px rgba(74,144,226,0.35);
}

.btn-secondary {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-dark {
    background: var(--bg-dark);
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-light);
    color: var(--primary);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.stat {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    padding: 1rem;
}

.stat strong { display: block; font-size: 1.4rem; }
.stat span { font-size: 0.85rem; opacity: 0.75; }

/* —— Layout —— */
main { padding-bottom: 3rem; }

.section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 0;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    margin: 0 0 0.75rem;
    color: var(--primary);
    font-size: 1.5rem;
}

.card h3 {
    margin: 1.25rem 0 0.5rem;
    color: var(--text);
    font-size: 1.15rem;
}

.muted { color: var(--muted); }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.feature {
    background: linear-gradient(180deg, #fff, #f8fafc);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
}

.feature .icon { font-size: 1.6rem; }

.pillars {
    display: grid;
    gap: 1rem;
}

.pillar {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem 1.35rem;
    background: #fff;
}

.pillar h3 {
    margin: 0 0 0.5rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pillar ul {
    margin: 0.5rem 0 0;
    padding-left: 1.15rem;
}

.pillar li { margin-bottom: 0.4rem; }

/* Region selector */
#region-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

.region-btn {
    padding: 0.95rem 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(26, 86, 168, 0.2);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    text-align: left;
}

.region-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(26, 86, 168, 0.28);
}

.region-btn.active {
    background: linear-gradient(135deg, #059669, #0d9488);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.25);
}

#region-guide {
    margin-top: 1.25rem;
}

.country-block {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    margin-top: 1rem;
}

.country-block h3 { color: var(--primary); margin-top: 0; }

#role-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.6rem;
}

#role-selection label {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
    cursor: pointer;
    font-weight: 600;
}

#role-selection label:has(input:checked) {
    border-color: var(--primary-light);
    background: #eff6ff;
}

#current-region-display {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 12px;
}

#change-region {
    margin-left: 0.5rem;
    padding: 0.4rem 0.8rem;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

/* Download band */
.download-band {
    background: linear-gradient(135deg, #1a56a8, #0d9488);
    color: #fff;
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
}

.download-band p { margin: 0.35rem 0 0; opacity: 0.9; }

/* Footer */
.site-footer {
    margin-top: 3rem;
    background: var(--bg-dark);
    color: rgba(255,255,255,0.85);
    padding: 2.5rem 1.25rem;
    text-align: center;
}

.site-footer a { color: #5eead4; }

.disclaimer {
    font-size: 0.85rem;
    color: var(--muted);
    border-left: 3px solid var(--accent);
    padding-left: 0.85rem;
    margin-top: 1rem;
}

@media (max-width: 800px) {
    .menu-toggle { display: block; }
    nav {
        display: none;
        position: absolute;
        left: 0; right: 0; top: 100%;
        background: #0f172a;
        padding: 0.5rem 1rem 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    nav.active { display: block; }
    .nav-list { flex-direction: column; }
    .nav-list a { display: block; padding: 0.65rem 0; }
}