:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-elevated: #1a1a24;
    --border: #2a2a3a;
    --text: #e8e8f0;
    --text-muted: #888898;
    --text-dim: #5a5a6a;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-bg: rgba(99, 102, 241, 0.12);
    --teal: #2dd4bf;
    --success: #22c55e;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    --transition: 160ms ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(18, 18, 26, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 24px;
}

.brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.brand span {
    color: var(--text-muted);
    font-weight: 500;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.site-nav a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--text);
}

/* Hero */
.hero {
    padding: 72px 0 56px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--text);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border);
}

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

/* Sections */
.section {
    padding: 48px 0;
}

.section-header {
    margin-bottom: 28px;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--text-muted);
    margin-top: 6px;
}

/* Project grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: border-color var(--transition), transform var(--transition);
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.project-icon {
    font-size: 2rem;
    line-height: 1;
}

.project-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.badge-macos { background: rgba(45, 212, 191, 0.15); color: var(--teal); }
.badge-ios { background: rgba(99, 102, 241, 0.15); color: var(--accent-hover); }
.badge-web { background: rgba(34, 197, 94, 0.12); color: var(--success); }
.badge-saas { background: rgba(129, 140, 248, 0.15); color: #a5b4fc; }
.badge-podcast { background: rgba(245, 158, 11, 0.12); color: #fbbf24; }

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.project-links a {
    font-size: 0.88rem;
    font-weight: 500;
}

/* App hero page */
.app-hero {
    padding: 64px 0 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.app-hero-content h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.app-hero-content .tagline {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.app-hero-content .description {
    color: var(--text-muted);
    margin-bottom: 28px;
}

.app-preview {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    box-shadow: var(--shadow);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 32px;
}

.feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.feature-item h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.meta-item {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.meta-item strong {
    color: var(--text);
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

/* Content pages (privacy, support) */
.content-page {
    padding: 48px 0 72px;
    max-width: 720px;
}

.content-page h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.content-page .updated {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.content-page h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 32px 0 12px;
}

.content-page h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 24px 0 8px;
    color: var(--text);
}

.content-page p,
.content-page li {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.content-page ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.content-page a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.breadcrumb {
    font-size: 0.88rem;
    color: var(--text-dim);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--text-muted);
}

/* External project page */
.external-hero {
    padding: 80px 0;
    text-align: center;
}

.external-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.external-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 32px;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    margin-top: 48px;
}

.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    color: var(--text-dim);
    font-size: 0.88rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-muted);
}

/* Podcast card */
.podcast-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(45, 212, 191, 0.08));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.podcast-banner h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.podcast-banner p {
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .site-nav {
        gap: 16px;
    }

    .app-hero {
        grid-template-columns: 1fr;
    }

    .app-preview {
        order: -1;
        aspect-ratio: 16 / 10;
        font-size: 3.5rem;
    }
}