/* CSS Variables */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    --white: #ffffff;
    --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;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    --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);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

/* Shared Section Classes */
.section {
    padding: var(--spacing-20) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-6);
    padding-right: var(--spacing-6);
}

/* .section-container removed; styles moved to .section */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* .section-content removed; apply grid to specific sections */
.section.mapper-section,
.section.content-management-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.section-text {
    flex: 1;
}

.section-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.section-visual img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin: 0 auto;
}

.section-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.section-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--gray-700);
    font-weight: 500;
}

.section-feature svg {
    color: var(--success-color);
    flex-shrink: 0;
}

.section-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.section-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.section-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.section-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.section-btn.secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

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

.card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-4);
    background: var(--primary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.card-title {
    color: var(--gray-900);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.card-description {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    min-height: 100vh;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.nav-logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.nav-tagline {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-left: var(--spacing-2);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    background: linear-gradient(45deg, #06b6d4, #3b82f6, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    position: relative;
}


.nav-links {
    display: flex;
    gap: var(--spacing-8);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

/* Navigation Contact Button */
.nav-contact-btn {
    background: none;
    color: var(--gray-600);
    border: none;
    padding: 0;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    position: relative;
}

.nav-contact-btn:hover {
    color: var(--primary-color);
    transform: none;
    box-shadow: none;
}

.nav-contact-btn::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.nav-contact-btn:hover::after {
    width: 100%;
}

/* Other Buttons */
.btn, .contact-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4) var(--spacing-8);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-primary {
    background: var(--white);
    color: var(--success-color);
    box-shadow: var(--shadow-lg);
}

.btn:hover, .nav-contact-btn:hover, .contact-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn:disabled, .contact-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Hero Section */
.hero {
    padding: 100px 0 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
    min-height: 40vh;
    display: flex;
    align-items: center;
}

/* User Personas Section - now uses shared classes */



/* Testimonials Section - now uses shared classes */

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
    animation: drift 30s linear infinite;
}
.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    position: relative;
    z-index: 1;
}


.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-3);
    animation: fadeInUp 0.8s ease-out;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}



.hero-description {
    font-size: var(--font-size-base);
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}



/* Upload Section */
.upload-section {
    padding: var(--spacing-2) 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    position: relative;
}

.upload-section > * {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.upload-area {
    border: 3px dashed var(--primary-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-16);
    text-align: center;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(59, 130, 246, 0.2);
    border-style: solid;
    animation: pulse 2s ease-in-out infinite;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: 0 25px 80px rgba(59, 130, 246, 0.4);
}

.upload-content {
    position: relative;
    z-index: 2;
}

.upload-icon {
    margin-bottom: var(--spacing-6);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.upload-area:hover .upload-icon {
    opacity: 1;
    transform: scale(1.1);
}

.upload-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    color: var(--primary-color);
    text-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
}

.upload-subtitle {
    font-size: var(--font-size-xl);
    opacity: 0.8;
    margin-bottom: var(--spacing-8);
    color: var(--gray-600);
    font-weight: 500;
}

.upload-formats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.format-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: var(--transition-normal);
}

.format-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* Progress States */
.upload-progress-state {
    border-color: #3b82f6 !important;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
    cursor: default !important;
}

.upload-progress-state:hover {
    transform: none !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

.upload-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px;
}

.progress-spinner {
    color: #3b82f6;
}

.upload-progress .upload-title {
    color: #1e40af;
    font-weight: 600;
    margin: 0;
    text-align: center;
}

.upload-progress .progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.upload-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

/* Progress Container */
.progress-container {
    margin-top: var(--spacing-8);
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    font-weight: 500;
}

/* Success Container */
.success-container {
    text-align: center;
    padding: var(--spacing-12);
    background: var(--success-color);
    border-radius: var(--radius-2xl);
    color: var(--white);
    margin-top: var(--spacing-8);
}

.success-icon {
    margin-bottom: var(--spacing-6);
    animation: bounceIn 0.6s ease-out;
}

.success-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.success-message {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-6);
}

/* Features Section - now uses shared classes */

/* How It Works */


/* FAQ Section */
.faq {
    padding: var(--spacing-20) 0;
    background: var(--gray-50);
    scroll-margin-top: 70px;
}



.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

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

.faq-question {
    width: 100%;
    padding: var(--spacing-6);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    outline: none;
    box-shadow: none;
}

.faq-question:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

.faq-question:focus {
    outline: none;
    background: var(--gray-50);
    color: var(--primary-color);
}

.faq-icon {
    transition: var(--transition-fast);
    color: var(--gray-500);
}

.faq-question:hover .faq-icon {
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.faq-item.active .faq-question {
    background: var(--gray-50);
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 var(--spacing-6) var(--spacing-6);
    color: var(--gray-600);
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 var(--spacing-6) var(--spacing-6);
}

/* CTA Section removed (unused) */

/* Mapper Section - now uses shared classes */

/* Content Management Section - now uses shared classes */

/* Security Section removed (unused) */

/* Contact Section */
.contact-section {
    padding: var(--spacing-20) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

/* CTA Section removed (unused) */

/* Contact Page - Account for fixed header */
body:has(.contact-section) .contact-section {
    padding-top: calc(70px + var(--spacing-20));
    min-height: 100vh;
}

/* Mapper page styles moved to mapper.css */

/* Examples Section - now uses shared classes */


.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.contact-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-6);
    line-height: 1.2;
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--gray-700);
    font-weight: 500;
}

.contact-feature svg {
    color: var(--success-color);
    flex-shrink: 0;
}

.contact-form-container {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

/* Form Elements */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-1);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition-fast);
    resize: vertical;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-8);
}

.footer-brand h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
}

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

.footer-links {
    display: flex;
    gap: var(--spacing-8);
}

.footer-link {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-700);
    color: var(--gray-400);
}

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(1deg);
    }
    66% {
        transform: translateY(-10px) rotate(-1deg);
    }
}

@keyframes drift {
    0% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(10px) translateY(-5px);
    }
    50% {
        transform: translateX(-5px) translateY(-10px);
    }
    75% {
        transform: translateX(-10px) translateY(5px);
    }
    100% {
        transform: translateX(0) translateY(0);
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

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

@keyframes errorPulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.95);
    }
}


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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-6);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .contact-title {
        font-size: var(--font-size-3xl);
    }
    
    .steps {
        flex-direction: column;
        gap: var(--spacing-8);
    }
    
    .steps::before {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-8);
    }
    
    .footer-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .upload-area {
        padding: var(--spacing-8);
    }
    
    /* .feature-card removed (unused) */
}

/* Diagram Section - now uses shared classes */

/* Pricing Section */
.pricing-section {
    background: var(--gray-50);
}

/* Global code block styling (fallback for developer page) */
.code-block {
    background: #111827;
    border-radius: var(--radius-lg, 0.75rem);
    padding: var(--spacing-6, 1.5rem);
    margin: var(--spacing-4, 1rem) 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    color: #f3f4f6;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: var(--font-size-sm, 0.875rem);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.code-block code {
    color: #f3f4f6;
    background: none;
    padding: 0;
    font-size: inherit;
    white-space: inherit;
}

.pricing-billing {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
}

.billing-btn {
    background: var(--white);
    border: 2px solid var(--gray-200);
    color: var(--gray-700);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.billing-btn .billing-save {
    color: var(--success-color);
    font-weight: 700;
    margin-left: var(--spacing-2);
}

.billing-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.pricing-card {
    position: relative;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.popular {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pricing-card .badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-card-header {
    margin-bottom: var(--spacing-6);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.pricing-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.pricing-subtitle {
    color: var(--gray-600);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-1);
    margin: var(--spacing-6) 0;
}

.price-currency {
    font-size: var(--font-size-xl);
    color: var(--gray-700);
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--gray-900);
}

.price-period {
    color: var(--gray-500);
    font-weight: 600;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin: var(--spacing-6) 0;
    color: var(--gray-700);
}

.pricing-features li {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.pricing-actions {
    display: flex;
    justify-content: center;
    margin-top: auto;
}

/* Green check for pricing bullets */
.pricing-features li::before {
    content: "\2714"; /* check mark */
    color: var(--success-color);
    font-weight: 800;
    display: inline-block;
}