:root {
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --accent-blue: #38bdf8;
    --accent-purple: #a5b4fc;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.portfolio-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    width: 100%;
}

/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 10% 10%, rgba(129, 140, 248, 0.1) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInDown 1s ease-out;
}

.portfolio-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-blue); /* Fallback for accessibility scanners */
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.portfolio-header p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    width: 100%;
    max-width: 1200px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.project-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 
                0 0 20px rgba(56, 189, 248, 0.2);
}

.card-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 2rem;
    flex-grow: 1;
    background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.8));
}

.card-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.card-content p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 1rem;
}

.card-footer {
    padding: 0 2rem 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.card-footer span {
    transition: transform 0.3s ease;
}

.project-card:hover .card-footer span {
    transform: translateX(5px);
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Scaling */
@media (max-width: 768px) {
    .portfolio-header h1 { font-size: 2.5rem; }
    .projects-grid { grid-template-columns: 1fr; }
}