/* ==========================================================================
   PCSpecs Landing Page — Dark Gaming Aesthetic
   ========================================================================== */

:root {
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff006e;
    --neon-lime: #39ff14;
    --neon-purple: #a855f7;

    --bg-dark: #0a0e1a;
    --bg-darker: #050810;
    --bg-card: rgba(15, 20, 40, 0.85);

    --text-primary: #e0e8ff;
    --text-secondary: #7088a8;
    --text-muted: #4a5568;

    --border-subtle: rgba(0, 240, 255, 0.15);

    --radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 30% 20%, rgba(0, 240, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(168, 85, 247, 0.04) 0%, transparent 50%);
}

/* --- Hero --- */
.hero {
    text-align: center;
    padding: 100px 20px 80px;
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--text-primary);
    text-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
    margin-bottom: 4px;
}

.hero-title .accent {
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.6), 0 0 80px rgba(0, 240, 255, 0.15);
}

.hero-subtitle {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: var(--bg-darker);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.5);
}

.hero-note {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Features --- */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(0, 240, 255, 0.35);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.06);
    transform: translateY(-3px);
}

.feature-icon {
    color: var(--neon-cyan);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.4));
}

.feature-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* --- How It Works --- */
.how-it-works {
    text-align: center;
    padding: 60px 20px 80px;
    max-width: 800px;
    margin: 0 auto;
}

.how-it-works h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    margin-bottom: 40px;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 24px 28px;
    min-width: 180px;
}

.step-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    margin-bottom: 8px;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
}

/* --- Privacy --- */
.privacy-section {
    text-align: center;
    padding: 60px 20px 80px;
    max-width: 600px;
    margin: 0 auto;
}

.privacy-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--neon-lime);
    text-shadow: 0 0 15px rgba(57, 255, 20, 0.3);
    margin-bottom: 20px;
}

.privacy-section p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.privacy-section code {
    background: rgba(0, 240, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--neon-cyan);
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85rem;
}

.link-github {
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.link-github:hover {
    color: var(--text-primary);
}

/* --- Footer --- */
.site-footer {
    text-align: center;
    padding: 30px 20px 20px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--neon-cyan);
}

/* --- Specs Preview Chips --- */
.specs-preview {
    text-align: center;
    padding: 0 20px 80px;
    max-width: 900px;
    margin: 0 auto;
}

.specs-preview h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    margin-bottom: 28px;
}

.specs-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.spec-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.spec-chip:hover {
    border-color: rgba(0, 240, 255, 0.35);
    color: var(--text-primary);
}

.spec-chip-icon {
    font-size: 1rem;
}

/* --- FAQ --- */
.faq-section {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px 20px 80px;
}

.faq-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    text-align: center;
    margin-bottom: 32px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    margin-bottom: 10px;
    transition: border-color 0.3s;
}

.faq-item[open] {
    border-color: rgba(0, 240, 255, 0.3);
}

.faq-item summary {
    padding: 16px 20px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    color: var(--neon-cyan);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: '-';
}

.faq-item p {
    padding: 0 20px 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
}

/* --- Responsive --- */
@media (max-width: 600px) {
    .hero-title {
        font-size: 2.4rem;
        letter-spacing: 4px;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }
}