:root {
    --bg-dark: #0a0a0b;
    --bg-card: #141417;
    --accent: #e2e8f0;
    --primary: #ffffff;
    --secondary: #94a3b8;
    --brand: #3b82f6;
    --brand-glow: rgba(59, 130, 246, 0.5);
    --text-main: #f8fafc;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
}

.accent {
    color: var(--brand);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
}

.nav-bar {
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    text-align: center;
}

.logo {
    font-weight: 800;
    letter-spacing: -1px;
    font-size: 1.2rem;
    opacity: 0.8;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px var(--brand-glow);
}

/* Portfolio Grid */
.portfolio-section {
    padding: 100px 0;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--brand);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.badge {
    background: rgba(59, 130, 246, 0.15);
    color: var(--brand);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--brand);
}

.card h3 {
    font-size: 1.5rem;
    margin: 0;
}

.category {
    display: block;
    color: var(--secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.description {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--brand);
    padding-left: 5px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #111113 100%);
}

.cta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 4rem 2rem;
    border-radius: 32px;
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.05);
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--secondary);
    margin-bottom: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: #0a0a0b;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--brand);
}

.contact-form .btn {
    width: 100%;
    margin-top: 1rem;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--secondary);
    font-size: 0.875rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}