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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    background: #050816;
    color: #f5f5f5;
}

/* Hero */
.hero {
    background: radial-gradient(circle at top, #1e293b, #020617);
    padding: 3rem 1.5rem 4rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hashtag {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.8;
}

.hero h1 {
    font-size: 2rem;
    margin-top: 0.75rem;
    margin-bottom: 0.75rem;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 650px;
    margin: 0.5rem auto 1.5rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.3rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.95rem;
    border: 1px solid #38bdf8;
}

.btn.primary {
    background: #38bdf8;
    color: #020617;
    font-weight: 600;
}

.btn.secondary {
    background: transparent;
    color: #e5e7eb;
}

/* Layout */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

.section {
    margin-bottom: 2rem;
    background: rgba(15, 23, 42, 0.8);
    border-radius: 1rem;
    padding: 1.5rem 1.5rem 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.section h2 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.section p {
    margin-bottom: 0.75rem;
}

/* Lists */
.facts,
.artefact-list,
.sources,
.section ol {
    margin-left: 1.25rem;
}

.facts li,
.artefact-list li,
.sources li,
.section ol li {
    margin-bottom: 0.5rem;
}

.artefact-list a,
.sources a {
    color: #38bdf8;
}

/* Notes */
.note {
    font-size: 0.85rem;
    opacity: 0.85;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem 1rem 2rem;
    background: #020617;
    border-top: 1px solid rgba(148, 163, 184, 0.5);
    font-size: 0.85rem;
}

.footer a {
    color: #38bdf8;
}

.footer .small {
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* Bigger screens */
@media (min-width: 768px) {
    .hero {
        padding-top: 4rem;
        padding-bottom: 4.5rem;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .subtitle {
        font-size: 1.05rem;
    }
}