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

:root {
    --bg: #0a0a0a;
    --bg-alt: #111;
    --bg-card: #161616;
    --bg-card-hl: #1a1a2e;
    --text: #e8e8e8;
    --text-muted: #999;
    --text-body: #bbb;
    --accent: #e2a84b;
    --accent-dim: rgba(226, 168, 75, 0.15);
    --yt-red: #ff0000;
    --border: #222;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'Philosopher', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
    padding-top: 60px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(226, 168, 75, 0.08) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    max-width: 700px;
}

.hero h1 {
    font-family: 'Philosopher', serif;
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
}

.tagline {
    font-family: 'Philosopher', serif;
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.manifesto {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    border: 1px solid rgba(226, 168, 75, 0.12);
}

.manifesto p {
    font-size: 1.05rem;
    color: var(--text-body);
    line-height: 1.8;
}

.manifesto p + p {
    margin-top: 0.75rem;
}

.manifesto strong {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.btn-yt {
    background: var(--yt-red);
    color: #fff;
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

.yt-icon {
    flex-shrink: 0;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    font-family: 'Philosopher', serif;
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 640px;
    margin-bottom: 2.5rem;
}

/* Card grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(226, 168, 75, 0.3);
}

.card-highlight {
    background: var(--bg-card-hl);
    border-color: rgba(226, 168, 75, 0.2);
}

.card-wide {
    grid-column: 1 / -1;
}

.card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.card p {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
}

.card p + p {
    margin-top: 0.75rem;
}

.card ol,
.card ul {
    margin: 0.75rem 0;
    padding-left: 1.25rem;
    color: var(--text-body);
    font-size: 0.95rem;
}

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

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

/* Tip box */
.tip {
    margin-top: 1rem;
    padding: 1rem 1.25rem;
    background: var(--accent-dim);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.7;
}

.tip strong {
    color: var(--accent);
}

.tip a {
    color: var(--accent);
    text-decoration: underline;
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-sign {
    font-family: 'Philosopher', serif;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

footer .btn {
    margin-bottom: 1.5rem;
}

.copyright {
    color: #555;
    font-size: 0.8rem;
}

/* Mobile */
@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .card-wide {
        grid-column: auto;
    }

    .section {
        padding: 3rem 0;
    }

    .hero {
        min-height: 90vh;
    }

    .manifesto {
        padding: 1rem;
    }
}
