/* 
   Main Stylesheet - Base styles for entire platform
   - CSS Variables
   - Typography
   - Common Components
   - Utility Classes
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =========================================
   CSS Variables
   ========================================= */
:root {
    /* Colors - Purple/Blue Theme */
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #6d28d9;
    --secondary: #3b82f6;
    --secondary-light: #60a5fa;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    
    /* Status Colors */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;
    
    /* Backgrounds */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --card-bg: rgba(15, 23, 42, 0.85);
    --card-border: rgba(139, 92, 246, 0.25);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    /* Shadows */
    --shadow-primary: rgba(139, 92, 246, 0.5);
    --shadow-secondary: rgba(59, 130, 246, 0.4);
    
    /* Glass Effect */
    --glass-bg: rgba(15, 23, 42, 0.85);
    --glass-border: rgba(139, 92, 246, 0.2);
}

/* =========================================
   Global Styles
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #020617 0%, #1e1b4b 40%, #1e293b 70%, #020617 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

/* =========================================
   Common Animations
   ========================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(50px, -50px) rotate(120deg); }
    66% { transform: translate(-50px, 50px) rotate(240deg); }
}

/* =========================================
   Gradient Text
   ========================================= */
.gradient-text {
    background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 40%, #22d3ee 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: gradientShift 8s ease infinite;
}

/* =========================================
   Buttons
   ========================================= */
.btn-primary {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--shadow-primary);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid rgba(139, 92, 246, 0.3);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.5);
}

/* =========================================
   Cards
   ========================================= */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1.5px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 30px 60px var(--shadow-primary);
}

/* =========================================
   Badges
   ========================================= */
.badge {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: #ffffff;
}

.badge-success {
    background: linear-gradient(135deg, #34d399, #10b981);
    color: #ffffff;
}

.badge-warning {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #0f172a;
}

/* =========================================
   Scroll Reveal
   ========================================= */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Utility Classes
   ========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: 1rem; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
    body { font-size: 14px; }
    .btn-primary { padding: 12px 24px; font-size: 14px; }
    .btn-secondary { padding: 10px 20px; font-size: 14px; }
}

/* =========================================
   Focus & Selection
   ========================================= */
*:focus-visible {
    outline: 2px solid #a78bfa;
    outline-offset: 2px;
}

::selection {
    background: rgba(139, 92, 246, 0.3);
    color: #ffffff;
}

/* =========================================
   Scrollbar
   ========================================= */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.7);
}

/* Hide scrollbar utility */
.no-scrollbar::-webkit-scrollbar,
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar,
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}