/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern color palette */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Neutral colors */
    --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;
    
    /* Typography */
    --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    
    /* 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;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: white;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-outline:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-300);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #34d399 0%, var(--success) 100%);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo h1 i {
    color: var(--primary);
}

nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.2s;
}

nav ul li a:hover {
    color: var(--primary);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    color: var(--gray-600);
    cursor: pointer;
}

/* Hero section */
.hero {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.03) 0%, 
        rgba(6, 182, 212, 0.02) 50%, 
        rgba(16, 185, 129, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    width: fit-content;
    box-shadow: var(--shadow-md);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
    max-width: 500px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin: var(--space-md) 0;
}

.mini-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 500;
}

.mini-feature i {
    color: var(--primary);
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Hero upload area */
.hero-upload {
    display: flex;
    justify-content: center;
    align-items: center;
}

.drop-area {
    width: 100%;
    max-width: 480px;
    min-height: 320px;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-2xl);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.drop-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.02) 0%, 
        rgba(6, 182, 212, 0.01) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.drop-area:hover::before,
.drop-area.dragover::before {
    opacity: 1;
}

.drop-area:hover,
.drop-area.dragover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.drop-area:hover .upload-btn,
.drop-area.dragover .upload-btn {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.drop-area-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
    padding: var(--space-xl);
    position: relative;
    z-index: 1;
}

.upload-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-lg);
}

.upload-icon i {
    font-size: 2rem;
    color: white;
}

.drop-area h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.drop-area p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
}

.upload-btn {
    background: var(--gray-900);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
}

.upload-btn:hover {
    background: var(--gray-800);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.supported-formats {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Workflow section */
.workflow-section {
    padding: var(--space-3xl) 0;
    background: var(--gray-50);
}

.workflow-step {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.step-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-xl);
    gap: var(--space-md);
}

.step-header i {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.step-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.step-header p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* Keywords section */
.keywords-input {
    display: flex;
    gap: var(--space-md);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.keywords-input input {
    flex: 1;
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all 0.2s;
    background: white;
}

.keywords-input input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.keywords-display {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.keyword-chip {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.keyword-chip:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.keyword-chip .remove-keyword {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: background 0.2s;
}

.keyword-chip .remove-keyword:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Images container */
.images-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.image-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
}

.image-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.image-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-info {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.image-info .original-name {
    font-size: 0.75rem;
    color: var(--gray-500);
    background: var(--gray-50);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    word-break: break-all;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Vision AI and filename highlighting styles */
.vision-keywords {
    font-size: 0.75rem;
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--warning);
    font-weight: 500;
}

.vision-tags {
    font-weight: 600;
    color: #d97706;
}

.filename-display {
    font-weight: 600;
    color: var(--gray-900);
    word-break: break-all;
    padding: var(--space-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-100);
    line-height: 1.4;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.vision-highlight {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    border: 1px solid #fbbf24;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    display: inline-block;
}

.new-name-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.new-name-container label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.new-name-input {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: all 0.2s;
    background: white;
}

.new-name-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.new-name-input:disabled {
    background: var(--gray-50);
    cursor: not-allowed;
    opacity: 0.6;
}

.actions {
    text-align: center;
    padding: var(--space-xl) 0;
}

/* Section headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Features section */
.features {
    padding: var(--space-3xl) 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
}

.feature-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.02) 0%,
        rgba(6, 182, 212, 0.01) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--gray-200);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* How it works section */
.how-it-works {
    padding: var(--space-3xl) 0;
    background: var(--gray-50);
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 280px;
    text-align: center;
    padding: 0 var(--space-lg);
    position: relative;
}

.step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px;
    right: calc(-1 * var(--space-lg));
    width: var(--space-2xl);
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 1px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.step p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Pricing section */
.pricing {
    padding: var(--space-3xl) 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    border: 2px solid var(--gray-100);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.02) 0%,
        rgba(6, 182, 212, 0.01) 100%);
}

.featured-badge {
    position: absolute;
    top: var(--space-lg);
    right: calc(-1 * var(--space-lg));
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: var(--space-sm) var(--space-2xl);
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-lg);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-xl);
    line-height: 1;
}

.price span {
    font-size: 1rem;
    color: var(--gray-500);
    font-weight: 500;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: var(--space-xl);
    text-align: left;
}

.pricing-card ul li {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.pricing-card ul li::before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--success);
    width: 20px;
}

.pricing-card .btn {
    width: 100%;
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    gap: var(--space-2xl);
}

.footer-logo h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo h2 i {
    color: var(--primary);
}

.footer-logo p {
    color: var(--gray-400);
}

.footer-links {
    display: flex;
    gap: var(--space-3xl);
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-column h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--space-md);
}

.footer-column ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Responsive design */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-upload {
        order: -1;
    }
    
    .drop-area {
        max-width: 400px;
        min-height: 280px;
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .footer-links {
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 3rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    header .container {
        padding: var(--space-md);
    }
    
    nav ul {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        padding: var(--space-2xl) 0;
    }
    
    .hero-content {
        gap: var(--space-md);
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .keywords-input {
        flex-direction: column;
    }
    
    .images-container {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .drop-area {
        min-height: 240px;
    }
    
    .drop-area-content {
        padding: var(--space-lg);
    }
    
    .upload-icon {
        width: 60px;
        height: 60px;
    }
    
    .upload-icon i {
        font-size: 1.5rem;
    }
    
    .workflow-step {
        padding: var(--space-lg);
    }
    
    .feature-card {
        padding: var(--space-lg);
    }
    
    .pricing-card {
        padding: var(--space-lg);
    }
}

/* Utility classes */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}