/* ===== FLICS 2025 - ULTRA-ENHANCED STYLES ===== */

/* CSS Custom Properties */
:root {
    /* Primary Colors */
    --primary-color: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --secondary-light: #34d399;
    --secondary-dark: #059669;
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-glow-green: 0 0 20px rgba(16, 185, 129, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--white);
}

.loading-logo {
    margin-bottom: var(--space-lg);
}

.loading-logo-img {
    width: 80px;
    height: 80px;
    animation: logoFloat 2s ease-in-out infinite;
}

.loading-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    letter-spacing: 0.1em;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.spinner-ring {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    animation-delay: 0.1s;
}

.spinner-ring:nth-child(3) {
    animation-delay: 0.2s;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== NAVIGATION ===== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
    padding: var(--space-md) 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--primary-color) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition-normal);
}

.navbar-brand:hover {
    color: var(--primary-light) !important;
    transform: translateY(-2px);
}

.brand-logo {
    width: 40px;
    height: 40px;
    transition: var(--transition-bounce);
    filter: drop-shadow(0 2px 4px rgba(30, 58, 138, 0.1));
}

.brand-logo:hover {
    transform: rotate(8deg) scale(1.1);
    filter: drop-shadow(0 8px 16px rgba(30, 58, 138, 0.3));
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: var(--transition-normal);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.navbar-toggler {
    border: none;
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.navbar-toggler:hover {
    background-color: rgba(59, 130, 246, 0.1);
    transform: scale(1.05);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
    animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 20%;
    right: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 30%;
    left: 20%;
    animation-delay: 10s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    bottom: 20%;
    right: 25%;
    animation-delay: 15s;
}

.shape-5 {
    width: 80px;
    height: 80px;
    top: 50%;
    left: 50%;
    animation-delay: 7s;
}

@keyframes floatShape {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) translateX(10px) rotate(90deg);
    }
    50% {
        transform: translateY(-10px) translateX(-15px) rotate(180deg);
    }
    75% {
        transform: translateY(-30px) translateX(5px) rotate(270deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--space-3xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xl);
    border: 1px solid rgba(16, 185, 129, 0.2);
    transition: var(--transition-normal);
}

.hero-badge:hover {
    background: rgba(16, 185, 129, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-green);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle-accent {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-top: var(--space-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: var(--transition-normal);
}

.hero-link:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.hero-info-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-normal);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.hero-info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
    opacity: 0;
    transition: var(--transition-normal);
}

.hero-info-card:hover::before {
    opacity: 1;
}

.hero-info-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(59, 130, 246, 0.3);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    transition: var(--transition-bounce);
}

.card-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.hero-info-card:hover .card-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

.hero-info-card h5 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.card-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.countdown-item {
    text-align: center;
}

.countdown-number {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.countdown-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    margin-bottom: var(--space-3xl);
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

.hero-stats {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.stat-item {
    text-align: center;
    padding: var(--space-md);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--primary-color);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    z-index: 2;
}

.scroll-indicator:hover {
    transform: translateX(-50%) translateY(-5px);
}

.scroll-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    animation: scrollBounce 2s infinite;
}

.scroll-arrow i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ===== ABOUT PREVIEW SECTION ===== */
.about-preview {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    margin-bottom: var(--space-2xl);
}

.section-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
    opacity: 0;
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    transition: var(--transition-bounce);
}

.feature-icon i {
    font-size: var(--font-size-lg);
    color: var(--white);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

.feature-content h5 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.feature-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===== TIMELINE SECTION ===== */
.page-content {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-3xl);
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: var(--white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    transition: var(--transition-bounce);
}

.timeline-marker i {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.1);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-glow);
}

.timeline-item:hover .timeline-marker i {
    color: var(--secondary-color);
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    margin: 0 var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02), rgba(16, 185, 129, 0.02));
    opacity: 0;
    transition: var(--transition-normal);
}

.timeline-item:hover .timeline-content::before {
    opacity: 1;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.timeline-date {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.timeline-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.timeline-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cta-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px, 200px 200px;
    animation: particleFloat 20s ease-in-out infinite;
}

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

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.glow-btn {
    position: relative;
    overflow: hidden;
}

.glow-btn::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #fff, #f0f0f0, #fff);
    border-radius: inherit;
    z-index: -1;
    animation: glowRotate 3s linear infinite;
    opacity: 0;
    transition: var(--transition-normal);
}

.glow-btn:hover::before {
    opacity: 1;
}

@keyframes glowRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    color: var(--white);
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

.btn-light:hover {
    background: var(--gray-100);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-lg);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-tertiary) !important;
    border-top: 1px solid var(--gray-200);
}

.footer-brand {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.footer-logo {
    width: 32px;
    height: 32px;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* ===== PARTICLE SYSTEM ===== */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.6) 0%, transparent 70%);
    border-radius: 50%;
    animation: particleRise 25s linear infinite;
}

@keyframes particleRise {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(0vh) scale(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: clamp(2rem, 4vw, 3rem);
    }
    
    .section-title {
        font-size: clamp(1.75rem, 3vw, 2.5rem);
    }
}

@media (max-width: 992px) {
    .timeline-line {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: row !important;
    }
    
    .timeline-marker {
        position: absolute;
        left: 0;
    }
    
    .timeline-content {
        margin-left: 0;
        margin-right: 0;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 2rem;
        --space-2xl: 1.5rem;
    }
    
    .hero-section {
        min-height: 90vh;
    }
    
    .hero-content {
        padding: var(--space-2xl) 0;
    }
    
    .hero-info-card {
        margin-bottom: var(--space-lg);
    }
    
    .countdown-timer {
        gap: var(--space-sm);
    }
    
    .countdown-number {
        font-size: var(--font-size-base);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .back-to-top {
        bottom: var(--space-lg);
        right: var(--space-lg);
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: var(--font-size-lg);
    }
    
    .brand-logo {
        width: 32px;
        height: 32px;
    }
    
    .hero-badge {
        font-size: var(--font-size-xs);
        padding: var(--space-xs) var(--space-md);
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        width: 40px;
        height: 40px;
    }
    
    .timeline-marker i {
        font-size: var(--font-size-base);
    }
    
    .timeline-content {
        padding: var(--space-md);
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .floating-shapes .shape {
        animation: none;
    }
    
    .particle {
        animation: none;
    }
}

/* ===== FOCUS STYLES ===== */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .scroll-indicator,
    .back-to-top,
    .floating-shapes,
    .particle-container {
        display: none !important;
    }
    
    .hero-section {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
    
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
    }
}