/* ============================================
   Sparrow Maps - Main Stylesheet
   ============================================ */

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

:root {
    /* Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #64748b;
    --color-accent: #f59e0b;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Grays */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-sans:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, sans-serif;
    --font-mono:
        "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* 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);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-gray-900);
}

h1 {
    font-size: 2.5rem;
}
h2 {
    font-size: 2rem;
}
h3 {
    font-size: 1.5rem;
}
h4 {
    font-size: 1.25rem;
}
h5 {
    font-size: 1.125rem;
}
h6 {
    font-size: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Header & Navigation */
header {
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-md);
    position: relative;
}

.logo h1 {
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 700;
    padding: 0.5rem;
}

.logo a {
    color: var(--color-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo a:hover {
    transform: scale(1.05);
}

/* Desktop Navigation */
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--color-gray-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover span {
    background: var(--color-primary);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation - hidden by default on all screen sizes */
.mobile-nav {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.mobile-nav.active {
    display: block !important;
}

.mobile-nav-links {
    list-style: none;
    padding: var(--spacing-lg);
}

.mobile-nav-links li {
    margin-bottom: var(--spacing-md);
}

.mobile-nav-links a {
    display: block;
    padding: var(--spacing-md);
    color: var(--color-gray-700);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-align: center;
}

.mobile-nav-links a:hover {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.1);
}

.mobile-nav-links .btn-primary {
    margin-top: var(--spacing-sm);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-secondary {
    background: white;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-gray-900);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Hero Section */
.hero {
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        var(--color-primary-light) 100%
    );
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-content h2 {
    color: white;
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

/* Sections */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.gallery-item {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base);
}

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

.gallery-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.gallery-caption {
    padding: var(--spacing-md);
}

.gallery-caption h3 {
    margin-bottom: var(--spacing-xs);
}

.gallery-caption p {
    color: var(--color-gray-600);
}

/* How It Works */
.how-it-works {
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.step {
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.step h3 {
    margin-bottom: var(--spacing-sm);
}

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

/* Pricing */
.pricing {
    background: var(--color-gray-100);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base);
    position: relative;
}

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

.pricing-card.featured {
    border: 3px solid var(--color-primary);
}

.pricing-card .badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.pricing-card .features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-card .features li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.pricing-card .features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-gray-600);
    font-style: italic;
}

/* Features */
.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature h3 {
    margin-bottom: var(--spacing-sm);
}

.feature p {
    color: var(--color-gray-600);
}

/* CTA Section */
.cta {
    background: linear-gradient(
        135deg,
        var(--color-gray-900) 0%,
        var(--color-gray-800) 100%
    );
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-links {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--color-gray-400);
}

.footer-links a:hover {
    color: white;
}

/* Order Form Styles */
.order-form-section {
    background: white;
    min-height: calc(100vh - 200px);
}

.order-form {
    max-width: 900px;
    margin: 0 auto;
}

.form-section {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.form-section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-gray-200);
    padding-bottom: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* Tier Selector */
.tier-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.tier-card {
    position: relative;
    cursor: pointer;
}

.tier-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.tier-content {
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    background: white;
    position: relative;
}

.tier-card input[type="radio"]:checked + .tier-content {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.05);
    box-shadow: var(--shadow-lg);
}

.tier-card:hover .tier-content {
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.tier-content h4 {
    margin-bottom: var(--spacing-sm);
}

.tier-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.tier-content ul {
    list-style: none;
    text-align: left;
}

.tier-content ul li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-600);
}

.tier-content ul li::before {
    content: "✓ ";
    color: var(--color-success);
    font-weight: 700;
}

.badge-small {
    position: absolute;
    top: -10px;
    right: 10px;
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Theme Selector */
.theme-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.theme-card {
    cursor: pointer;
}

.theme-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.theme-content {
    text-align: center;
}

.theme-preview {
    width: 100%;
    height: 100px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
}

.theme-card input[type="radio"]:checked + .theme-content .theme-preview {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    transform: scale(1.05);
}

.theme-card:hover .theme-preview {
    transform: scale(1.05);
}

.theme-name {
    font-weight: 600;
    color: var(--color-gray-700);
}

/* Aspect Ratio Selector */
.aspect-ratio-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.aspect-card {
    cursor: pointer;
}

.aspect-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.aspect-content {
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.aspect-card input[type="radio"]:checked + .aspect-content {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.05);
}

.aspect-card:hover .aspect-content {
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.aspect-visual {
    width: 80px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-sm);
}

.aspect-content h4 {
    margin-bottom: var(--spacing-xs);
}

.aspect-sizes {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Order Summary */
.order-summary {
    background: var(--color-gray-50);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.order-summary h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-700);
}

.summary-divider {
    height: 2px;
    background: var(--color-gray-300);
    margin: var(--spacing-md) 0;
}

.summary-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.form-note {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* Success Page */
.success-section {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.success-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--color-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto var(--spacing-lg);
}

.success-message {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.success-details,
.success-info {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.success-details h3,
.success-info h3 {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
}

.timeline-marker {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.timeline-content h4 {
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.success-info ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.success-info li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-700);
}

.highlight {
    color: var(--color-primary);
    font-weight: 600;
}

.info-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.success-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

/* Download Page */
.download-section {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-2xl) 0;
}

.loading-state {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-gray-300);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error-state {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.error-actions {
    margin-top: var(--spacing-xl);
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
}

.download-subtitle {
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.order-info {
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
}

.info-label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.info-value {
    color: var(--color-gray-900);
}

.files-list {
    margin-bottom: var(--spacing-xl);
}

.file-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.file-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.file-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.file-info {
    flex-grow: 1;
}

.file-name {
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.file-details {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.download-tips {
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.download-tips h3 {
    margin-bottom: var(--spacing-md);
}

.download-tips ul {
    list-style-position: inside;
    color: var(--color-gray-700);
}

.download-tips li {
    padding: var(--spacing-xs) 0;
}

.download-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.download-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-gray-600);
    font-size: 0.875rem;
    font-style: italic;
}

.no-files {
    text-align: center;
    color: var(--color-gray-500);
    padding: var(--spacing-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Hide desktop navigation on mobile */
    .nav-links {
        display: none !important;
    }

    /* Show mobile menu button */
    .mobile-menu-btn {
        display: flex !important;
    }

    .gallery {
        grid-template-columns: 1fr;
    }

    .pricing-grid,
    .tier-selector {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .success-actions,
    .download-actions {
        flex-direction: column;
    }

    .file-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (min-width: 769px) {
    /* Show desktop navigation */
    .nav-links {
        display: flex !important;
    }

    /* Hide mobile navigation on desktop */
    .mobile-nav {
        display: none !important;
    }

    /* Hide mobile menu button on desktop */
    .mobile-menu-btn {
        display: none !important;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}