:root {
    --font-main: 'Outfit', sans-serif;
    --text-dark: #1a1a2e;
    --text-light: #ffffff;
    --nav-height: 80px;
}

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

body { font-family: var(--font-main); color: var(--text-dark); overflow-x: hidden; }

/* Multi-Color Animated Gradients */
.gradient-hero {
    background: linear-gradient(-45deg, #4158D0, #C850C0, #FFCC70, #4158D0);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.gradient-secondary {
    background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364);
    background-size: 400% 400%;
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Structural Classes */
.screen-section {
    min-height: 100vh; /* Fits to screen height */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
}

.page-header {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-wrapper { max-width: 1200px; width: 100%; margin: 0 auto; }
.content-narrow { max-width: 800px; }
.text-center { text-align: center; }
.text-white { color: var(--text-light); }
.bg-light { background: #f8f9fa; }
.bg-dark { background: #121212; }

/* Typography */
.mega-title { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.1; margin-bottom: 20px; }
.section-title { font-size: 2.5rem; margin-bottom: 3rem; }
.subtitle { font-size: 1.5rem; font-weight: 300; margin-bottom: 40px; }

/* Navigation */
.navbar {
    position: fixed; width: 100%; height: var(--nav-height);
    background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(10px);
    z-index: 1000; transition: all 0.3s ease;
}
.navbar.scrolled { background: rgba(25, 25, 35, 0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.nav-container {
    max-width: 1200px; margin: 0 auto; height: 100%;
    display: flex; justify-content: space-between; align-items: center; padding: 0 20px;
}
.logo { font-size: 1.5rem; font-weight: 800; color: white; text-decoration: none; }
.nav-links a {
    color: white; text-decoration: none; margin-left: 30px;
    font-weight: 600; text-transform: uppercase; font-size: 0.9rem;
    transition: color 0.3s;
}
.nav-links a:hover { color: #FFCC70; }

/* Layouts & Cards */
.split-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.grid-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.grid-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

.card { padding: 40px; border-radius: 20px; transition: transform 0.3s; }
.card:hover { transform: translateY(-10px); }
.glass-card { background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); }
.dark-card { background: #1e1e1e; }
.icon { font-size: 3rem; margin-bottom: 20px; }

/* Buttons */
.btn-primary {
    display: inline-block; padding: 15px 40px; border-radius: 30px;
    background: white; color: #4158D0; text-decoration: none;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* Footer */
.site-footer { background: #0a0a0a; color: #ccc; padding: 60px 20px 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; max-width: 1200px; margin: 0 auto; }
.footer-grid h3 { color: white; margin-bottom: 20px; }
.footer-links ul { list-style: none; }
.footer-links a { color: #ccc; text-decoration: none; line-height: 2; }
.footer-bottom { text-align: center; margin-top: 60px; padding-top: 20px; border-top: 1px solid #333; }

/* Mobile Menu */
.mobile-toggle { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.mobile-toggle span { width: 30px; height: 3px; background: white; transition: 0.3s; }

@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: var(--nav-height); right: -100%;
        background: rgba(25, 25, 35, 0.98); width: 100%; height: calc(100vh - var(--nav-height));
        flex-direction: column; display: flex; align-items: center; justify-content: center;
        transition: right 0.3s ease; gap: 30px;
    }
    .nav-links.active { right: 0; }
    .nav-links a { margin: 0; font-size: 1.2rem; }
    .mobile-toggle { display: flex; }
}