:root {
    --bg: #edf5fb;
    --panel: #ffffff;
    --panel-soft: #f6f9fc;
    --text: #16212f;
    --muted: #667085;
    --border: #d7e2ec;
    --primary: #0b5fa5;
    --primary-dark: #084b82;
    --primary-soft: #e5f2ff;
    --accent-soft: #fff7ed;
    --accent-text: #7c2d12;
    --shadow: 0 24px 70px rgba(22, 33, 47, 0.14);
    --radius: 22px;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100vh; }

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(11, 95, 165, 0.20), transparent 36rem),
        radial-gradient(circle at bottom right, rgba(43, 163, 217, 0.18), transparent 34rem),
        var(--bg);
}

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

.page {
    min-height: 100vh;
    padding: 32px;
}

.shell {
    width: min(1180px, 100%);
    margin: 0 auto;
}

.site-header,
.content-card,
.topic-card,
.cta-card {
    background: rgba(255, 255, 255, 0.93);
    border: 1px solid rgba(215, 226, 236, 0.92);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
}

.site-header {
    display: grid;
    grid-template-columns: 96px 1fr auto;
    gap: 18px;
    align-items: center;
    padding: 18px;
    margin-bottom: 24px;
}

.logo {
    width: 96px;
    height: 96px;
    border-radius: 18px;
    object-fit: cover;
}

.brand-title {
    margin: 0;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.brand-subtitle {
    margin: 6px 0 0;
    color: var(--muted);
    line-height: 1.45;
}

.nav-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 10px 14px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 800;
    text-decoration: none;
    border: 1px solid rgba(11, 95, 165, 0.16);
}

.button.primary {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.content-card {
    padding: clamp(24px, 4vw, 44px);
    margin-bottom: 24px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 7px 11px;
    border-radius: 999px;
    color: var(--primary-dark);
    background: var(--primary-soft);
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--primary);
}

h1 {
    margin: 0 0 16px;
    font-size: clamp(2.2rem, 5vw, 4rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
}

h2 {
    margin: 34px 0 12px;
    font-size: clamp(1.35rem, 2.5vw, 2rem);
    letter-spacing: -0.035em;
}

h3 { margin: 22px 0 8px; }

p, li {
    color: var(--muted);
    line-height: 1.64;
    font-size: 1.03rem;
}

.lead {
    font-size: clamp(1.08rem, 2vw, 1.24rem);
    color: #3b4858;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.topic-card {
    padding: 18px;
    box-shadow: 0 12px 36px rgba(22, 33, 47, 0.08);
}

.topic-card h2,
.topic-card h3 {
    margin-top: 0;
}

.note,
.disclaimer {
    margin-top: 22px;
    padding: 16px;
    border-radius: 16px;
    background: var(--accent-soft);
    color: var(--accent-text);
    line-height: 1.5;
}

.source-box {
    margin-top: 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--panel-soft);
    padding: 16px;
}

.source-box strong { color: var(--text); }

.question-list {
    display: grid;
    gap: 10px;
    padding-left: 0;
    list-style: none;
}

.question-list li {
    padding: 12px 14px;
    border-radius: 14px;
    background: var(--panel-soft);
    border: 1px solid var(--border);
}

.cta-card {
    padding: 24px;
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.footer {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.55;
    padding: 8px 4px 32px;
}

@media (max-width: 820px) {
    .page { padding: 14px; }
    .site-header { grid-template-columns: 72px 1fr; }
    .logo { width: 72px; height: 72px; }
    .nav-links { grid-column: 1 / -1; justify-content: flex-start; }
    .grid { grid-template-columns: 1fr; }
    .cta-card { align-items: flex-start; flex-direction: column; }
}