/* Custom styles for AiToManabi Explore Features Page */

/* Root variables for consistent theming */
:root {
    --primary-red: #dc2626;
    --primary-red-dark: #b91c1c;
    --primary-red-light: #f87171;
    --accent-red: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-gradient-start: #fef2f2;
    --bg-gradient-end: #fee2e2;
    --red-50: #fef2f2;
    --red-100: #fee2e2;
    --red-600: #dc2626;
    --red-700: #b91c1c;
    --red-800: #991b1b;
}

/* Global styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Enhanced gradient background */
body {
    background: #f9fafb;
    min-height: 100vh;
    position: relative;
}

/* Add subtle pattern overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(220, 38, 38, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(185, 28, 28, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Container enhancements */
.container {
    position: relative;
    z-index: 1;
}

/* Typography enhancements */
h1 {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Ensure white text is visible in hero section */
.hero-section h1 .text-white {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

h2 {
    position: relative;
    display: inline-block;
}

/* Underline for Student-Focused */
h2:first-of-type::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-dark));
    border-radius: 2px;
}

/* Underline for Teacher */
h2:nth-of-type(2)::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-dark));
    border-radius: 2px;
}

/* Feature card enhancements */
.feature-card {
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

/* Icon container enhancements */
.feature-card .flex.items-center.justify-center {
    position: relative;
    transition: all 0.3s ease;
}

.feature-card:hover .flex.items-center.justify-center {
    transform: scale(1.1) rotate(5deg);
}

/* Icon color variations - Enhanced red theme with gradients */
.feature-card:nth-child(1) .flex.items-center.justify-center {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.15);
}

.feature-card:nth-child(2) .flex.items-center.justify-center {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.15);
}

.feature-card:nth-child(3) .flex.items-center.justify-center {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.15);
}

.feature-card:nth-child(4) .flex.items-center.justify-center {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.15);
}

.feature-card:nth-child(5) .flex.items-center.justify-center {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.15);
}

/* Button enhancements */
button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.025em;
}

button::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;
}

button:hover::before {
    left: 100%;
}

/* Call to action section */
.text-center.mt-20 .bg-gradient-to-br {
    position: relative;
    overflow: hidden;
}

.text-center.mt-20 .bg-gradient-to-br::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(220, 38, 38, 0.1), transparent);
    animation: rotate 10s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.text-center.mt-20 .bg-gradient-to-br:hover::before {
    opacity: 1;
}

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

/* Responsive design enhancements */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1rem;
    }
    
    .feature-card:hover {
        transform: translateY(-4px) scale(1.01);
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* Accessibility enhancements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .feature-card:hover {
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card {
        border: 2px solid var(--text-primary);
    }
    
    .feature-card:hover {
        border-color: var(--primary-blue);
    }
}

/* Print styles */
@media print {
    body {
        background: white;
    }
    
    .feature-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    button {
        display: none;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #b91c1c, #991b1b);
}

/* Modern glassmorphism effects */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Enhanced text gradients */
.text-gradient-red {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modern shadow effects */
.shadow-modern {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.shadow-modern-lg {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Enhanced hover effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Modern border radius */
.rounded-modern {
    border-radius: 1.5rem;
}

.rounded-modern-lg {
    border-radius: 2rem;
}