/* Enhanced Answer Electric Theme - Dark Mode Optimized */

:root {
    /* Dark Enhanced Color Palette */
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #93c5fd;
    --secondary: #fbbf24;
    --secondary-dark: #f59e0b;
    --accent: #34d399;
    --accent-dark: #10b981;
    
    /* Dark Neutral Colors */
    --text-dark: #f9fafb;
    --text-light: #d1d5db;
    --white: #0f172a;
    --black: #ffffff;
    --gray-50: #1e293b;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-300: #64748b;
    --gray-400: #94a3b8;
    --gray-500: #cbd5e1;
    --gray-600: #e2e8f0;
    --gray-700: #f1f5f9;
    --gray-800: #f8fafc;
    --gray-900: #ffffff;
    
    /* Dark Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #fbbf24 50%, #fcd34d 100%);
    --gradient-hero: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 50%, rgba(51, 65, 85, 0.7) 100%);
    
    /* Dark Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 1.5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ========================================
   HERO SECTION - ENHANCED EFFECTS
   ======================================== */

.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.9) 100%);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

/* Hero Logo Effects */
.hero-logo-img {
    filter: drop-shadow(0 0 20px rgba(96, 165, 250, 0.3));
    animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    0% {
        filter: drop-shadow(0 0 20px rgba(96, 165, 250, 0.3));
        transform: scale(1);
    }
    100% {
        filter: drop-shadow(0 0 30px rgba(96, 165, 250, 0.5));
        transform: scale(1.02);
    }
}

/* Hero Title Effects */
.hero-title {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    animation: titleShimmer 4s ease-in-out infinite;
}

@keyframes titleShimmer {
    0%, 100% {
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    }
    50% {
        text-shadow: 0 2px 20px rgba(96, 165, 250, 0.3), 0 2px 10px rgba(0, 0, 0, 0.5);
    }
}

.hero-title .text-warning {
    background: linear-gradient(45deg, #fbbf24, #f59e0b, #fbbf24);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

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

/* Hero Subtitle Effects */
.hero-subtitle {
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    animation: subtitleFloat 6s ease-in-out infinite;
}

@keyframes subtitleFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Button Effects */
.hero-buttons .btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.hero-buttons .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.hero-buttons .btn:hover::before {
    left: 100%;
}

.hero-buttons .btn-warning {
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    animation: buttonPulse 2s ease-in-out infinite;
}

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 6px 25px rgba(245, 158, 11, 0.5);
    }
}

.hero-buttons .btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
}

.hero-buttons .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* Floating Animation */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Fade In Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out forwards;
}

.animation-delay-1 {
    animation-delay: 0.2s;
}

.animation-delay-2 {
    animation-delay: 0.4s;
}

.animation-delay-3 {
    animation-delay: 0.6s;
}

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

/* Lightweight Particle Effect */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(96, 165, 250, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(245, 158, 11, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(96, 165, 250, 0.2), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(245, 158, 11, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleFloat 20s linear infinite;
    z-index: 1;
    opacity: 0.6;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-100px);
    }
}

.hero-section {
    position: relative;
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-logo {
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    position: relative;
    z-index: 2;
}

/* ========================================
   ANIMATIONS
   ======================================== */

.floating {
    animation: floating 5s ease-in-out infinite;
    will-change: transform;
}

@keyframes floating {
    0%, 100% { transform: translate3d(0, 0px, 0); }
    50% { transform: translate3d(0, -4px, 0); }
}

.fade-in {
    opacity: 0;
    transform: translate3d(0, 15px, 0);
    transition: all 0.5s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.animation-delay-1 { animation-delay: 0.2s; }
.animation-delay-2 { animation-delay: 0.4s; }
.animation-delay-3 { animation-delay: 0.6s; }

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-buttons .btn:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .floating {
        animation: none;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
    }
}