:root {
    --bg-main: #1a1a1a;
    --bg-card: #242424;
    --bg-card-hover: #2a2a2a;
    --text-primary: #f5f5f5;
    --text-secondary: #a3a3a3;
    --accent: #f97316;
    --accent-dim: rgba(249, 115, 22, 0.15);
    --accent-border: rgba(249, 115, 22, 0.3);
    --border: #333;
    --timeline-line: #444;
    --green: #22c55e;
    --green-dim: rgba(34, 197, 94, 0.15);
    --green-border: rgba(34, 197, 94, 0.4);
    --cyan: #06b6d4;
    --cyan-dim: rgba(6, 182, 212, 0.15);
    --cyan-border: rgba(6, 182, 212, 0.4);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.star-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 50% 10%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 15% 90%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 45% 45%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 85% 15%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1.5px 1.5px at 25% 35%, rgba(249,115,22,0.5), transparent),
        radial-gradient(1.5px 1.5px at 65% 75%, rgba(249,115,22,0.3), transparent),
        radial-gradient(1px 1px at 5% 50%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 55% 85%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 75% 25%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 35% 70%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 95% 55%, rgba(255,255,255,0.3), transparent);
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(249, 115, 22, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249, 115, 22, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ======================== HERO ======================== */

.hero {
    position: relative;
    text-align: center;
    padding: 6rem 2rem 5rem;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(249, 115, 22, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249, 115, 22, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: var(--accent-dim);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: 'Fira Code', monospace;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid var(--accent-border);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero h1 {
    font-family: 'Press Start 2P', monospace;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    text-shadow: 2px 2px 0 rgba(249, 115, 22, 0.3);
}

.hero h1 .highlight {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 2rem;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-family: 'Fira Code', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.hero-stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.4), inset 0 -3px 0 rgba(0,0,0,0.2);
}

.btn-primary:hover {
    background: #fb923c;
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.6), inset 0 -3px 0 rgba(0,0,0,0.2);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
    box-shadow: 0 0 10px rgba(255,255,255,0.1), inset 0 -3px 0 rgba(0,0,0,0.2);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 20px rgba(255,255,255,0.2), inset 0 -3px 0 rgba(0,0,0,0.2);
    transform: translateY(-2px);
}

/* ======================== TRANSFORMATION ======================== */

.transformation {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    text-shadow: 2px 2px 0 rgba(249, 115, 22, 0.2);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.comparison {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.comparison-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    transition: border-color 0.3s;
}

.comparison-card:hover {
    border-color: #555;
}

.comparison-card.before {
    border-radius: 12px 0 0 12px;
    border-right: none;
}

.comparison-card.after {
    border-radius: 0 12px 12px 0;
    border-left: none;
}

.comparison-label {
    display: inline-block;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.before .comparison-label {
    background: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
}

.after .comparison-label {
    background: var(--accent-dim);
    color: var(--accent);
}

.comparison-icon {
    color: #666;
    margin-bottom: 1.5rem;
}

.after-icon {
    color: var(--accent);
}

.comparison-card h3 {
    font-family: 'Fira Code', monospace;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.comparison-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comparison-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.before .comparison-list li::before {
    background: #666;
}

.after .comparison-list li::before {
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}

.comparison-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    flex-shrink: 0;
}

.arrow-line {
    flex: 1;
    width: 2px;
    background: var(--accent);
    opacity: 0.3;
}

.arrow-icon {
    color: var(--accent);
    background: var(--bg-main);
    border: 2px solid var(--accent);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin: 0.5rem 0;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.2);
}

/* ======================== TIMELINE ======================== */

.timeline-section {
    padding: 5rem 0;
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--timeline-line);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -50px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--bg-main);
    border: 2px solid var(--accent);
    border-radius: 50%;
    z-index: 1;
    transition: box-shadow 0.3s;
}

.timeline-item:hover .timeline-dot {
    box-shadow: 0 0 12px var(--accent);
}

.timeline-dot.completed {
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.8rem;
    transition: border-color 0.3s, background 0.3s;
}

.timeline-item:hover .timeline-content {
    border-color: #555;
    background: var(--bg-card-hover);
}

.timeline-stage {
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.completed-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid var(--green-border);
    border-radius: 4px;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.45rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(34, 197, 94, 0.3); }
    50% { box-shadow: 0 0 15px rgba(34, 197, 94, 0.5); }
}

.timeline-content h3 {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    background: var(--accent-dim);
    color: var(--accent);
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: 'Fira Code', monospace;
    border: 1px solid rgba(249, 115, 22, 0.15);
}

/* ======================== BOM ======================== */

.bom-section {
    padding: 5rem 0;
}

.bom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.2rem;
}

.bom-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

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

.bom-card-icon {
    color: var(--accent);
    margin-bottom: 1rem;
}

.bom-card-role {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.3rem;
}

.bom-card-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.bom-card-source {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ======================== HIGHLIGHTS ======================== */

.highlights-section {
    padding: 5rem 0;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    transition: border-color 0.3s, background 0.3s;
}

.highlight-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.highlight-number {
    font-family: 'Fira Code', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
    opacity: 0.6;
}

.highlight-card h3 {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.unlocked-badge {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    background: var(--cyan-dim);
    color: var(--cyan);
    border: 1px solid var(--cyan-border);
    border-radius: 4px;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.45rem;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { box-shadow: 0 0 5px rgba(6, 182, 212, 0.3); }
    50% { box-shadow: 0 0 15px rgba(6, 182, 212, 0.5); }
}

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

/* ======================== BUILD STATS ======================== */

.build-stats {
    padding: 5rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 3rem 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Fira Code', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ======================== PRESS START ======================== */

.press-start-section {
    padding: 3rem 0;
    text-align: center;
}

.press-start-content {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
    border: 2px solid var(--accent);
    border-radius: 12px;
    padding: 2rem 3rem;
    display: inline-block;
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.3), inset 0 0 20px rgba(249, 115, 22, 0.1);
    animation: blink-cursor 1.2s step-end infinite;
}

.press-start-text {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.2rem;
    color: var(--accent);
    text-shadow: 0 0 10px rgba(249, 115, 22, 0.8);
    letter-spacing: 3px;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ======================== FOOTER ======================== */

footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

.footer-link {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* ======================== RESPONSIVE ======================== */

@media (max-width: 900px) {
    .hero h1 {
        font-size: 1.4rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        gap: 2rem;
    }

    .hero-stat-number {
        font-size: 2rem;
    }

    .comparison {
        flex-direction: column;
    }

    .comparison-card.before {
        border-radius: 12px 12px 0 0;
        border-right: 1px solid var(--border);
        border-bottom: none;
    }

    .comparison-card.after {
        border-radius: 0 0 12px 12px;
        border-left: 1px solid var(--border);
        border-top: none;
    }

    .comparison-arrow {
        flex-direction: row;
        width: auto;
        height: 60px;
        padding: 0;
    }

    .arrow-line {
        width: auto;
        height: 2px;
        flex: 1;
    }

    .arrow-icon {
        margin: 0 0.5rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .timeline {
        padding-left: 40px;
    }

    .timeline::before {
        left: 12px;
    }

    .timeline-dot {
        left: -40px;
    }

    .press-start-text {
        font-size: 0.8rem;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 4rem 1.5rem 3rem;
    }

    .hero h1 {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

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

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        padding: 2rem 1.5rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .section-header h2 {
        font-size: 0.85rem;
    }

    .press-start-content {
        padding: 1.5rem 2rem;
    }

    .press-start-text {
        font-size: 0.6rem;
    }
}