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

:root {
    --bg: #060914;
    --panel: rgba(12, 18, 38, 0.9);
    --border: rgba(120, 150, 220, 0.35);
    --text: #e6edff;
    --muted: #b6c2e4;
    --accent: #3b82f6;
}

body {
    font-family: "Open Sans", Arial, sans-serif;
    background: radial-gradient(circle at top, #0c1430 0%, #060914 60%);
    color: var(--text);
    min-height: 100vh;
}

.site-header {
    padding: 60px 20px 30px;
    text-align: center;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
    justify-items: center;
}

.back-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.header-text h1 {
    font-size: 2.4rem;
    margin-top: 6px;
}

.header-text p {
    color: var(--muted);
    max-width: 620px;
    line-height: 1.7;
}

.eyebrow {
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: #8ea4d9;
    font-weight: 600;
}

.project-domains .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.card {
    background: var(--panel);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(5, 10, 25, 0.45);
    overflow: hidden;
    text-align: left;
    display: grid;
    grid-template-rows: auto 1fr auto;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 26px 60px rgba(5, 10, 25, 0.6);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card h3 {
    font-size: 1.15rem;
    margin: 16px 18px 8px;
}

.card p {
    font-size: 0.95rem;
    color: var(--muted);
    padding: 0 18px 10px;
    line-height: 1.6;
}

.card button {
    margin: 0 18px 18px;
    background: linear-gradient(135deg, #1f3a8a, var(--accent));
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 24px rgba(59, 130, 246, 0.35);
}

.card button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(59, 130, 246, 0.5);
}

@media (max-width: 768px) {
    .header-text h1 {
        font-size: 2rem;
    }
}