:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --accent-blue: #38bdf8;
    --accent-amber: #f59e0b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    padding-bottom: 60px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    padding: 60px 0 50px;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 800px;
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-amber);
}

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

/* Section Header */
.section-header {
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-muted);
}

/* Grid Layout */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

/* Card Styling */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    background-color: var(--bg-card-hover);
}

.card-header .category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-blue);
    letter-spacing: 0.5px;
}

.card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 8px 0 14px;
    line-height: 1.3;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 16px;
}

.card-footer .arrow {
    transition: transform 0.2s ease;
}

.card:hover .card-footer .arrow {
    transform: translateX(4px);
}

/* Featured Card (Collie Projects) */
.featured-card {
    border: 1px solid var(--accent-amber);
    background: linear-gradient(135deg, #1e293b 0%, #241e38 100%);
}

.badge-featured {
    color: var(--accent-amber) !important;
    font-weight: 700;
}

/* Testimonials Section */
.testimonials-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.quote-icon {
    font-size: 3.5rem;
    line-height: 1;
    color: var(--accent-amber);
    font-family: Georgia, serif;
    margin-bottom: -10px;
}

.quote-text {
    font-size: 0.95rem;
    color: var(--text-main);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.6;
}

.client-info strong {
    display: block;
    color: var(--accent-blue);
    font-size: 1rem;
    font-weight: 700;
}

.client-info span {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* Footer */
footer {
    margin-top: 80px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .portfolio-grid { grid-template-columns: 1fr; }
}