/* Design System */
:root {
    /* Colors */
    --bg-dark: #0A0A0F;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent-blue: #0066FF;
    --accent-purple: #6B4BFF;
    --glass-gradient: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.02) 100%
    );
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
}

/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

.glass-card {
    background: var(--glass-gradient);
    backdrop-filter: blur(20px);
    border: var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--card-shadow);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Sora', sans-serif;
    font-weight: 600;
}

.display-text {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Navigation */
.navbar {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: var(--glass-border);
}

.navbar-brand {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    color: var(--text-primary) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary) !important;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    padding: 120px 0;
    background: radial-gradient(
        circle at top right,
        rgba(107, 75, 255, 0.1),
        transparent 50%
    ),
    radial-gradient(
        circle at bottom left,
        rgba(0, 102, 255, 0.1),
        transparent 50%
    );
    display: flex;
    align-items: center;
}

/* Portfolio Cards */
.portfolio-card {
    height: 100%;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-8px);
}

.portfolio-card .status-badge {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    display: inline-block;
    margin-bottom: 1rem;
}

.portfolio-card .card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.portfolio-card .card-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(107, 75, 255, 0.3);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
footer {
    background: rgba(10, 10, 15, 0.5);
    backdrop-filter: blur(20px);
    border-top: var(--glass-border);
    padding: 4rem 0;
}

.social-link {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .portfolio-card {
        padding: 1.5rem;
    }
    
    .hero-section {
        padding: 80px 0;
    }
}