:root {
    --bg: #12122a;
    --surface: #1a1a40;
    --border: #2e2e5e;
    --text: #f0eef6;
    --text-muted: #a0a0c0;
    --accent: #e63946;
    --accent-glow: rgba(230, 57, 70, 0.15);
    --green: #2dc653;
    --yellow: #f9a825;
    --red: #e63946;
    --blue: #4361ee;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* --- Sections --- */
section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 6rem 2rem 2rem;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

/* --- Scroll Fade-in Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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