/* Custom CSS for Wallpaper Engine Website */

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

/* Navbar Styles */
.nav-link.active {
    color: #2563eb !important;
    background-color: #eff6ff;
}

/* Mobile Menu Styles */
#mobile-menu {
    transition: all 0.3s ease-in-out;
}

/* Fixed Download Button Styles */
#fixed-download-btn button {
    transition: all 0.2s ease-in-out;
}

#fixed-download-btn button:hover {
    transform: translateY(-2px);
}


/* Responsive adjustments */
@media (max-width: 640px) {
    #fixed-download-btn {
        bottom: 1rem;
        right: 1rem;
    }
    
    #fixed-download-btn button {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
}

/* Root Variables */
:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --text-color: #374151;
    --border-color: #e5e7eb;
}

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

/* Troubleshooting Items Hover Fix */
.troubleshooting-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.troubleshooting-item:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

.troubleshooting-item:hover .group-hover\:text-red-600 {
    color: #dc2626;
}

.troubleshooting-item:hover .group-hover\:text-yellow-600 {
    color: #d97706;
}

.troubleshooting-item:hover .group-hover\:text-blue-600 {
    color: #2563eb;
}

.troubleshooting-item:hover .group-hover\:text-purple-600 {
    color: #9333ea;
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    /* Hero Section Mobile */
    .hero-title {
        font-size: 2.5rem !important;
        line-height: 1.1 !important;
    }
    
    .hero-subtitle {
        font-size: 1.1rem !important;
        line-height: 1.5 !important;
    }
    
    .hero-description {
        font-size: 0.95rem !important;
        line-height: 1.6 !important;
    }
    
    /* Feature Pills Mobile */
    .feature-pill {
        font-size: 0.8rem !important;
        padding: 0.4rem 0.8rem !important;
    }
    
    /* Image Gallery Mobile */
    .image-gallery-container {
        margin-top: 2rem !important;
    }
    
    .image-gallery-container .h-96 {
        height: 16rem !important;
    }
    
    /* Troubleshooting Items Mobile */
    .troubleshooting-item {
        margin-bottom: 1rem !important;
    }
    
    .troubleshooting-item .flex.items-center {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .troubleshooting-item .w-12.h-12 {
        margin-bottom: 1rem !important;
        margin-right: 0 !important;
    }
    
    .troubleshooting-item h3 {
        font-size: 1.1rem !important;
        margin-bottom: 1rem !important;
    }
    
    .troubleshooting-item ul {
        text-align: left !important;
    }
    
    /* Stats Grid Mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }
    
    .stats-item {
        padding: 1rem !important;
    }
    
    .stats-number {
        font-size: 1.5rem !important;
    }
    
    .stats-label {
        font-size: 0.8rem !important;
    }
    
    /* Features Section Mobile */
    .features-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    
    .feature-card {
        padding: 1.5rem !important;
    }
    
    .feature-card h3 {
        font-size: 1.2rem !important;
    }
    
    .feature-card p {
        font-size: 0.9rem !important;
    }
    
    /* Download Section Mobile */
    .download-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .download-card {
        padding: 1.5rem !important;
    }
    
    /* Reviews Section Mobile */
    .reviews-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .review-card {
        padding: 1.5rem !important;
    }
    
    /* FAQ Section Mobile */
    .faq-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .faq-item {
        padding: 1rem !important;
    }
    
    .faq-item h3 {
        font-size: 1.1rem !important;
    }
    
    /* Navbar Mobile */
    .navbar .text-xl {
        font-size: 1.1rem !important;
    }
    
    .navbar .text-xs {
        font-size: 0.7rem !important;
    }
    
    /* Button Mobile */
    .btn-primary {
        padding: 0.75rem 1.5rem !important;
        font-size: 0.9rem !important;
    }
    
    .btn-secondary {
        padding: 0.75rem 1.5rem !important;
        font-size: 0.9rem !important;
    }
    
    /* Section Padding Mobile */
    .section-padding {
        padding: 3rem 1rem !important;
    }
    
    /* Container Mobile */
    .container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem !important;
    }
    
    .hero-subtitle {
        font-size: 1rem !important;
    }
    
    .stats-grid {
        grid-template-columns: 1fr !important;
    }
    
    .troubleshooting-item .flex.items-center {
        align-items: flex-start !important;
        text-align: left !important;
    }
    
    .troubleshooting-item .w-12.h-12 {
        margin-right: 1rem !important;
        margin-bottom: 0 !important;
    }
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

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

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

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-slide-in {
    animation: slideIn 0.5s ease-out;
}

/* Custom Components */
.gradient-bg {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.hero-bg {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(139, 92, 246, 0.9)), url('images/pic/dual-monitor-wallpaper-engine.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.feature-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(229, 231, 235, 0.5);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.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%;
}

.feature-card:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.testimonial-card {
    background: linear-gradient(145deg, #f0f0f0, #cacaca);
    box-shadow: 20px 20px 60px #bebebe, -20px -20px 60px #ffffff;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 25px 25px 70px #bebebe, -25px -25px 70px #ffffff;
}

.problem-card {
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-left-color: var(--secondary-color);
}

.tutorial-card {
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tutorial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

/* Step Number Styling */
.step-number {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* Solution Step Styling */
.solution-step {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

/* Custom Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Custom Cards */
.card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Enhanced Navigation Styles */
.navbar {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.nav-link {
    position: relative;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.15);
    font-weight: 600;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Mobile Menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.active {
    max-height: 300px;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 4rem 0;
}

.section-sm {
    padding: 2rem 0;
}

.section-lg {
    padding: 6rem 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Spacing Utilities */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

/* Color Utilities */
.text-white { color: white; }
.text-gray-100 { color: #f3f4f6; }
.text-gray-200 { color: #e5e7eb; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }

.text-blue-100 { color: #dbeafe; }
.text-blue-200 { color: #bfdbfe; }
.text-blue-300 { color: #93c5fd; }
.text-blue-400 { color: #60a5fa; }
.text-blue-500 { color: #3b82f6; }
.text-blue-600 { color: #2563eb; }
.text-blue-700 { color: #1d4ed8; }

.text-green-400 { color: #4ade80; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-green-700 { color: #15803d; }

.text-purple-200 { color: #e9d5ff; }
.text-purple-400 { color: #c084fc; }
.text-purple-500 { color: #a855f7; }
.text-purple-600 { color: #9333ea; }

.text-yellow-400 { color: #facc15; }
.text-yellow-500 { color: #eab308; }

.text-orange-400 { color: #fb923c; }
.text-orange-500 { color: #f97316; }
.text-orange-600 { color: #ea580c; }

/* Background Utilities */
.bg-white { background-color: white; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-800 { background-color: #1f2937; }
.bg-gray-900 { background-color: #111827; }

.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-blue-600 { background-color: #2563eb; }
.bg-blue-700 { background-color: #1d4ed8; }

.bg-green-500 { background-color: #22c55e; }
.bg-green-600 { background-color: #16a34a; }
.bg-green-700 { background-color: #15803d; }

.bg-purple-500 { background-color: #a855f7; }
.bg-purple-600 { background-color: #9333ea; }

.bg-yellow-500 { background-color: #eab308; }
.bg-orange-500 { background-color: #f97316; }
.bg-orange-600 { background-color: #ea580c; }

/* Border Utilities */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-white { border-color: white; }
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-blue-200 { border-color: #bfdbfe; }
.border-blue-400 { border-color: #60a5fa; }

/* Rounded Utilities */
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Shadow Utilities */
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    
    .section {
        padding: 2rem 0;
    }
    
    .section-lg {
        padding: 3rem 0;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .hero-bg {
        background-attachment: scroll;
        min-height: 80vh;
    }
    
    .feature-card,
    .testimonial-card,
    .problem-card,
    .tutorial-card {
        margin-bottom: 1rem;
        padding: 1.5rem;
    }
}

/* Additional Layout Classes */
.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }

.mx-auto { margin-left: auto; margin-right: auto; }

/* Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }

/* Position Utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Z-index Utilities */
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Overflow Utilities */
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* Transform Utilities */
.transform { transform: translateZ(0); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }
.scale-125 { transform: scale(1.25); }
.-translate-y-1 { transform: translateY(-0.25rem); }
.-translate-y-2 { transform: translateY(-0.5rem); }
.translate-x-1 { transform: translateX(0.25rem); }
.translate-x-2 { transform: translateX(0.5rem); }

/* Transition Utilities */
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }

/* Hover Utilities */
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:translate-y-1:hover { transform: translateY(0.25rem); }
.hover\:translate-y-2:hover { transform: translateY(0.5rem); }
.hover\:translate-x-1:hover { transform: translateX(0.25rem); }
.hover\:translate-x-2:hover { transform: translateX(0.5rem); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }

/* Focus Utilities */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-2:focus { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5); }

/* Group Hover Utilities */
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:scale-110 { transform: scale(1.1); }
.group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }
.group:hover .group-hover\:translate-x-2 { transform: translateX(0.5rem); }
.group:hover .group-hover\:opacity-100 { opacity: 1; }
.group:hover .group-hover\:opacity-60 { opacity: 0.6; }

/* Backdrop Utilities */
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); }

/* Opacity Utilities */
.opacity-0 { opacity: 0; }
.opacity-5 { opacity: 0.05; }
.opacity-10 { opacity: 0.1; }
.opacity-20 { opacity: 0.2; }
.opacity-30 { opacity: 0.3; }
.opacity-40 { opacity: 0.4; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.opacity-100 { opacity: 1; }

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .section {
        padding: 1.5rem 0;
    }
    
    .section-lg {
        padding: 2rem 0;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .feature-card,
    .testimonial-card,
    .problem-card,
    .tutorial-card {
        padding: 1rem;
    }
    
    .step-number {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    
    .hero-bg {
        min-height: 70vh;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #800080;
        --text-color: #000000;
        --border-color: #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}