/* Modern Landing Page Design - Enhanced with animations and gradients */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* Hero Section with Animated Gradient */
.hero-gradient {
    background:
        radial-gradient(ellipse 1400px 900px at 0% 0%, rgba(102, 126, 234, 0.15), transparent 50%),
        radial-gradient(ellipse 1400px 900px at 100% 0%, rgba(118, 75, 162, 0.12), transparent 50%),
        radial-gradient(ellipse 1200px 800px at 50% 100%, rgba(79, 172, 254, 0.08), transparent 50%),
        var(--bs-body-bg);
    position: relative;
    overflow: hidden;
}

/* Animated gradient overlay */
.hero-gradient::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.08) 0%, transparent 50%);
    animation: gradientShift 20s ease infinite;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(5%, -5%) rotate(120deg); }
    66% { transform: translate(-5%, 5%) rotate(240deg); }
}

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

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

/* Navbar enhancements */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.navbar-brand {
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: filter 0.3s ease;
}

.navbar-brand:hover img {
    filter: drop-shadow(0 4px 8px rgba(102, 126, 234, 0.3));
}

/* Enhanced icon badges */
.icon-badge {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: var(--bs-primary);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.icon-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover .icon-badge::before {
    opacity: 1;
}

.icon-badge:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

/* App logo styling */
.app-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

/* Enhanced cards */
.card {
    border: 1px solid rgba(229, 231, 235, 0.6);
    border-radius: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.card:hover::before {
    transform: translateX(0);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(102, 126, 234, 0.12),
        0 10px 20px rgba(118, 75, 162, 0.08);
    border-color: rgba(102, 126, 234, 0.3);
}

/* Enhanced buttons */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid #667eea;
    color: #667eea;
    background: transparent;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

/* Video container enhancements */
.ratio {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover .ratio {
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.2);
}

/* Alert styling */
.alert {
    border-radius: 12px;
    border-left: 4px solid;
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 152, 0, 0.1) 100%);
    border-left-color: #ffc107;
}

/* Screenshots grid enhancement */
.screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

/* Pulse animation for important elements */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Feature grid enhancements */
.row.g-3 .card {
    height: 100%;
}

.card-body {
    transition: all 0.3s ease;
}

.card:hover .card-body {
    transform: translateY(-2px);
}

/* Responsive improvements */
@media (max-width: 768px) {
    .icon-badge {
        width: 48px;
        height: 48px;
    }
    
    .hero-gradient::before {
        animation-duration: 30s;
    }
}

/* Loading animation for images */
img {
    transition: opacity 0.3s ease;
}

img:not([src]) {
    opacity: 0;
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism effect for specific cards */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}