/* EduX.lk - Modern Design System */

:root {
    /* Primary Colors */
    --primary: #005696; /* Logo Blue */
    --secondary: #F7941E; /* Logo Orange */
    --primary-light: #0077cc;
    --primary-dark: #003d6b;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* Backgrounds */
    --bg-light: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-alt: #F1F5F9;
    
    /* Text Colors */
    --text-main: #1E293B;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    /* Borders & Shadows */
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Tokens */
[data-theme='dark'] {
    --bg-light: #0F172A;
    --bg-card: #1E293B;
    --bg-alt: #1E293B;
    --text-main: #F1F5F9;
    --text-muted: #94A3B8;
    --text-light: #64748B;
    --border: #334155;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
}

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

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
    transition: var(--transition);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme='dark'] .glass {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 86, 150, 0.3);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: #e67e00;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Section Spacing */
section {
    padding: 6rem 0;
}

/* Hero Section Specifics */
.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(247, 148, 30, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 20% 70%, rgba(0, 86, 150, 0.1) 0%, transparent 50%);
    z-index: -1;
}

/* Floating Animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* Subtle Pulsing Shadow */
@keyframes pulse-shadow {
    0% { box-shadow: 0 0 0 0 rgba(0, 86, 150, 0.2); }
    70% { box-shadow: 0 0 0 20px rgba(0, 86, 150, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 86, 150, 0); }
}

.pulse-shadow {
    animation: pulse-shadow 2s infinite;
}