:root {
    --primary: #4f46e5;
    --dark: #1e293b;
    --light: #f8fafc;
    --text: #334155;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background-color: var(--dark);
    color: white;
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 3rem;
}

header h1 { font-size: 2.5rem; letter-spacing: -1px; }
header h2 { font-weight: 300; color: #94a3b8; }

.contact-info a {
    color: #818cf8;
    text-decoration: none;
    font-weight: 600;
    display: inline-block; 
    margin-bottom: 20px;   
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--dark);
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
}

/* Grid Layout */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

/* Card Styling */
.card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-content { padding: 1.5rem; }

.tag {
    background: #eef2ff;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
}

.card h4 { margin: 1rem 0 0.5rem; color: var(--dark); }

.card p { font-size: 0.9rem; color: #64748b; margin-bottom: 1.5rem; }

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.placeholder {
    border: 2px dashed #cbd5e1;
    background: transparent;
    box-shadow: none;
    opacity: 0.6;
}

footer {
    text-align: center;
    padding: 4rem 0;
    font-size: 0.8rem;
    color: #94a3b8;
}