/* =====================================================
   PowerPages Template Engine - Cloudstrucc inc.
   Modern, Professional Design System
   ===================================================== */

/* CSS Variables / Design Tokens */
:root {
    /* Primary Colors - Cloudstrucc Blue Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-teal: #14b8a6;
    --accent-emerald: #10b981;
    --accent-violet: #8b5cf6;
    
    /* Neutrals */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gray-950: #020617;
    
    /* Semantic Colors */
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 40px -10px var(--primary-500);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background-color: var(--gray-50);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

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

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--primary-600);
}

.logo-text {
    color: var(--gray-900);
}

.logo-divider {
    color: var(--gray-300);
    font-weight: 300;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: var(--transition-base);
}

.nav-links a:hover {
    color: var(--gray-900);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Buttons */
.btn-ghost {
    padding: var(--space-2) var(--space-4);
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    box-shadow: 0 4px 14px -3px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px -3px rgba(37, 99, 235, 0.5);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-weight: 600;
    color: var(--gray-700);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.btn-outline:hover {
    border-color: var(--primary-600);
    color: var(--primary-600);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-weight: 600;
    color: var(--primary-700);
    background: var(--primary-50);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.btn-secondary:hover {
    background: var(--primary-100);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1.0625rem;
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    position: relative;
    padding: calc(72px + var(--space-20)) 0 var(--space-20);
    background: linear-gradient(180deg, white 0%, var(--gray-50) 100%);
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--primary-50), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: var(--space-6);
}

.badge-icon {
    font-size: 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

/* Browser Mockup */
.hero-visual {
    position: relative;
}

.browser-mockup {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.browser-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

.browser-dots {
    display: flex;
    gap: var(--space-2);
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.browser-dots span:first-child { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:last-child { background: #28ca42; }

.browser-url {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    background: white;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-family: var(--font-mono);
}

.browser-content {
    padding: var(--space-8);
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-50), white);
}

.upload-interface {
    width: 100%;
    max-width: 400px;
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-12) var(--space-8);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    background: white;
    cursor: pointer;
    transition: var(--transition-base);
}

.upload-zone:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

.upload-icon {
    color: var(--primary-500);
    margin-bottom: var(--space-4);
}

.upload-text {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-1);
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* =====================================================
   Section Common Styles
   ===================================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    color: var(--primary-700);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* =====================================================
   Themes Gallery Section
   ===================================================== */
.themes-section {
    padding: var(--space-24) 0;
    background: white;
}

.themes-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-2) var(--space-5);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.filter-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.filter-btn.active {
    background: var(--primary-600);
    color: white;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.theme-card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition-base);
}

.theme-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.theme-preview {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--gray-100);
}

.theme-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: var(--transition-slow);
}

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

.theme-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    background: rgba(15, 23, 42, 0.8);
    opacity: 0;
    transition: var(--transition-base);
}

.theme-card:hover .theme-overlay {
    opacity: 1;
}

.btn-preview,
.btn-install {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.btn-preview {
    color: white;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-preview:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-install {
    color: white;
    background: var(--primary-600);
}

.btn-install:hover {
    background: var(--primary-500);
}

.theme-info {
    padding: var(--space-5);
}

.theme-info h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.theme-info p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-3);
}

.theme-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.theme-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-700);
    background: var(--primary-50);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.theme-downloads {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.themes-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-10);
    background: linear-gradient(135deg, var(--gray-50), var(--primary-50));
    border-radius: var(--radius-2xl);
    border: 1px solid var(--primary-100);
}

.themes-cta p {
    font-size: 1.125rem;
    color: var(--gray-700);
}

/* =====================================================
   How It Works Section
   ===================================================== */
.how-it-works-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.step {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.step:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-100);
    line-height: 1;
    margin-bottom: var(--space-4);
}

.step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-xl);
    color: var(--primary-600);
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.step p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: var(--space-16);
    color: var(--gray-300);
}

.process-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--primary-50), rgba(6, 182, 212, 0.05));
    border-radius: var(--radius-xl);
    border: 1px solid var(--primary-100);
}

.note-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    color: var(--primary-600);
    flex-shrink: 0;
}

.note-content strong {
    display: block;
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.note-content p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* =====================================================
   Upload Section
   ===================================================== */
.upload-section {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--gray-50), white);
}

.upload-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.upload-card-header {
    padding: var(--space-8);
    text-align: center;
    border-bottom: 1px solid var(--gray-100);
}

.upload-card-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.upload-card-header p {
    color: var(--gray-600);
}

.upload-area {
    padding: var(--space-8);
}

.upload-area-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-16) var(--space-8);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    cursor: pointer;
    transition: var(--transition-base);
}

.upload-area-content:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

.upload-icon-large {
    color: var(--primary-500);
    margin-bottom: var(--space-6);
}

.upload-area-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-2);
}

.upload-area-content p {
    color: var(--gray-600);
    margin-bottom: var(--space-3);
}

.upload-area-content .upload-hint {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

/* Upload Progress */
.upload-progress {
    padding: var(--space-8);
    border-top: 1px solid var(--gray-100);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.progress-filename {
    font-weight: 500;
    color: var(--gray-800);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

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

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-cyan));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-stages {
    display: flex;
    justify-content: space-between;
}

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.stage-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--gray-100);
    border-radius: 50%;
    color: var(--gray-400);
    transition: var(--transition-base);
}

.stage.active .stage-icon {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stage.completed .stage-icon {
    background: var(--success);
    color: white;
}

.stage-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
}

.stage.active .stage-label {
    color: var(--primary-700);
}

/* Processing Message */
.processing-message {
    padding: var(--space-12) var(--space-8);
    text-align: center;
}

.processing-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border-radius: 50%;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--primary-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.processing-message h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.processing-message p {
    color: var(--gray-600);
    max-width: 450px;
    margin: 0 auto var(--space-6);
}

.processing-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

/* Upload Requirements */
.upload-requirements {
    padding: var(--space-6) var(--space-8);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

.upload-requirements h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-3);
}

.upload-requirements ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.upload-requirements li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.upload-requirements li svg {
    color: var(--success);
    flex-shrink: 0;
}

/* =====================================================
   Pricing Section
   ===================================================== */
.pricing-section {
    padding: var(--space-24) 0;
    background: white;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.toggle-label {
    font-weight: 500;
    color: var(--gray-600);
}

.toggle {
    position: relative;
    width: 56px;
    height: 28px;
    cursor: pointer;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.toggle input:checked + .toggle-slider {
    background: var(--primary-600);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(28px);
}

.save-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    background: var(--success);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-left: var(--space-2);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-500);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-2) var(--space-5);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.pricing-description {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-6);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-500);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.price-period {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

.pricing-features {
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: 0.9375rem;
    color: var(--gray-700);
}

.pricing-features li.included svg {
    color: var(--success);
}

.pricing-features li.excluded {
    color: var(--gray-400);
}

.pricing-features li.excluded svg {
    color: var(--gray-300);
}

/* Comparison Table */
.comparison-table-container {
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-table-container h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-8);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table thead {
    background: var(--gray-50);
}

.comparison-table th {
    padding: var(--space-5) var(--space-6);
    font-weight: 600;
    text-align: center;
    color: var(--gray-700);
}

.comparison-table th:first-child {
    text-align: left;
}

.comparison-table th.highlighted {
    background: var(--primary-50);
    color: var(--primary-700);
}

.comparison-table td {
    padding: var(--space-4) var(--space-6);
    text-align: center;
    border-top: 1px solid var(--gray-100);
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--gray-800);
}

.comparison-table td.highlighted {
    background: var(--primary-50);
}

.comparison-table .category-row td {
    background: var(--gray-100);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
}

.comparison-table .check {
    color: var(--success);
    font-weight: 700;
    font-size: 1.25rem;
}

.comparison-table .dash {
    color: var(--gray-300);
    font-size: 1.5rem;
}

/* =====================================================
   Auth Section
   ===================================================== */
.auth-section {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, white 0%, var(--gray-50) 100%);
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.auth-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.auth-info > p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
}

.auth-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1rem;
    color: var(--gray-700);
}

.auth-benefits li svg {
    color: var(--success);
    flex-shrink: 0;
}

.auth-form-container {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.auth-tabs {
    display: flex;
    margin-bottom: var(--space-6);
    border-bottom: 2px solid var(--gray-100);
}

.auth-tab {
    flex: 1;
    padding: var(--space-4);
    font-weight: 600;
    color: var(--gray-500);
    transition: var(--transition-fast);
    position: relative;
}

.auth-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    transition: var(--transition-base);
}

.auth-tab.active {
    color: var(--primary-600);
}

.auth-tab.active::after {
    background: var(--primary-600);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

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

.password-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.form-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-2) 0;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.form-divider span {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.btn-microsoft {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition-base);
}

.btn-microsoft:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.auth-terms {
    font-size: 0.8125rem;
    color: var(--gray-500);
    text-align: center;
}

.auth-terms a {
    color: var(--primary-600);
    text-decoration: underline;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--gray-900);
    color: var(--gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-brand .logo-icon {
    color: var(--primary-400);
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand > p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-600);
    color: white;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-5);
}

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

.footer-links a {
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

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

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }

    .auth-container {
        grid-template-columns: 1fr;
    }

    .auth-info {
        text-align: center;
    }

    .auth-benefits {
        align-items: center;
    }

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

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .navbar .container {
        height: 64px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding-top: calc(64px + var(--space-12));
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.0625rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

    .steps-container {
        flex-direction: column;
    }

    .step-connector {
        padding-top: 0;
        padding-bottom: var(--space-4);
        transform: rotate(90deg);
    }

    .upload-requirements ul {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-3) var(--space-4);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.875rem;
    }

    .btn-large {
        padding: var(--space-3) var(--space-6);
        font-size: 1rem;
    }

    .pricing-card {
        padding: var(--space-6);
    }

    .price-amount {
        font-size: 2.5rem;
    }
}