/* Design System & Base Styles */
:root {
    --bg-main: #030712;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #a855f7;
    --accent: #ec4899;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* Animations */
@keyframes aurora {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(25%, 15%) scale(1.1); }
    66% { transform: translate(-15%, 20%) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
    50% { box-shadow: 0 0 40px var(--primary-glow); }
}

/* Utilities */
.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to { background-position: 200% center; }
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    border-color: rgba(96, 165, 250, 0.4);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-aurora {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(168, 85, 247, 0.1) 30%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    animation: aurora 20s infinite alternate;
}

.nav-link {
    position: relative;
    color: var(--text-muted);
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-link:hover {
    color: var(--text-main);
}

.nav-link:hover::after {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* Section Transitions */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}