:root {
    /* Core Variables from style.css */
    --bg-primary: #010204;
    --accent-lightblue: #38bdf8;
    --accent-emerald: #10b981;
    --accent-yellow: #fcd34d;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-gradient-main: linear-gradient(135deg, var(--accent-yellow), var(--accent-emerald), var(--accent-lightblue));
    --liquid-border: rgba(255, 255, 255, 0.1);
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Base Setup */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* Backgrounds */
.bg-mesh {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -2;
    filter: blur(80px);
}
.mesh-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    opacity: 0.15;
}
.blob-1 { background: var(--accent-emerald); top: -10%; left: -10%; }
.blob-2 { background: var(--accent-lightblue); bottom: -10%; right: -10%; }

.grid-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    opacity: 0.5;
}

/* Subjects Layout */
.subjects-container {
    max-width: 1200px;
    margin: 140px auto 60px;
    padding: 0 5%;
}

.subjects-hero {
    text-align: center;
    margin-bottom: 5rem;
}
.subjects-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 5rem);
    background: var(--text-gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -3px;
    margin-bottom: 1.5rem;
}
.subjects-hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.subjects-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.subject-card {
    position: relative;
    aspect-ratio: 1 / 1.2;
    border-radius: 24px;
    overflow: hidden;
    text-decoration: none;
    border: 1px solid var(--liquid-border);
    display: flex;
    align-items: flex-end;
    background-size: cover;
    background-position: center;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.subject-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(1, 2, 4, 0.9) 10%, rgba(1, 2, 4, 0.2) 60%);
    z-index: 1;
    transition: background 0.4s ease;
}

.subject-card:hover {
    transform: translateY(-12px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

.subject-content {
    position: relative;
    z-index: 2;
    padding: 3rem;
    width: 100%;
}

.subject-content h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: white;
    margin-bottom: 0.5rem;
}

.subject-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .subjects-row { grid-template-columns: 1fr; }
    .subject-card { aspect-ratio: 16 / 10; }
    .subject-content { padding: 2rem; }
    .subject-content h2 { font-size: 2.5rem; }
}