/* ========================================
   RevitERA Software - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #C41E3A;
    --primary-dark: #A01830;
    --primary-light: #E8354F;
    --secondary: #1a1a2e;
    --accent: #FF6B35;
    
    /* Neutrals */
    --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;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

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

ul, ol {
    list-style: none;
}

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

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
}

.logo-icon {
    font-size: 1.5rem;
}

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

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

.btn-white:hover {
    background: var(--gray-100);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.product-hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

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

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

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

.hero-image-placeholder {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    border: 2px dashed var(--gray-300);
}

.hero-image-placeholder span {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.hero-image-placeholder p {
    color: var(--gray-500);
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-500);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

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

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

.step {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.step-header:hover {
    background: var(--gray-50);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.step-title {
    flex: 1;
}

.step-title h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.step-title p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.step-toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.toggle-icon {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-600);
    transition: transform var(--transition-fast);
}

.step.active .toggle-icon {
    transform: rotate(45deg);
}

.step-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.step.active .step-content {
    max-height: 1000px;
}

.step-details {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    padding-left: calc(48px + var(--spacing-lg) + var(--spacing-lg));
}

.step-details p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
}

.step-details ul {
    margin-bottom: var(--spacing-md);
}

.step-details li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-600);
}

.step-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.step-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.step-note {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-600);
    border-left: 3px solid var(--primary);
    margin-top: var(--spacing-sm);
}

.step-note.highlight {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #f59e0b;
    color: #78350f;
}

.step-note.highlight strong {
    color: #92400e;
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits {
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ========================================
   Screenshots Section
   ======================================== */
.screenshots {
    background: var(--gray-50);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.screenshot-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.screenshot-card.full-width {
    grid-column: 1 / -1;
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 1px solid var(--gray-200);
}

.screenshot-placeholder {
    background: var(--gray-100);
    padding: var(--spacing-3xl);
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.hero-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Featured Feature Cards */
.feature-card.featured {
    border: 2px solid var(--primary);
    position: relative;
    background: linear-gradient(135deg, #fff 0%, #fef2f2 100%);
}

.feature-badge {
    position: absolute;
    top: -10px;
    right: 16px;
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.5px;
}

/* Smart Clash Avoidance Section */
.smart-clash {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.section-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

/* Comparison Cards */
.clash-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.comparison-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.comparison-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.comparison-card.other-tools {
    border: 2px solid var(--gray-300);
}

.comparison-card.our-tool {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, #fff 0%, #fef8f8 100%);
}

.comparison-flow {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.flow-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.flow-step.problem {
    background: #fee2e2;
}

.flow-step.success {
    background: #dcfce7;
}

.flow-number {
    width: 28px;
    height: 28px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.flow-step.problem .flow-number {
    background: #fca5a5;
}

.flow-step.success .flow-number {
    background: #86efac;
}

.flow-step p {
    margin: 0;
    font-size: 0.9rem;
}

.flow-arrow {
    text-align: center;
    color: var(--gray-400);
    font-size: 1.2rem;
}

.comparison-result {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
}

.comparison-result.bad {
    background: #fee2e2;
    color: #991b1b;
}

.comparison-result.good {
    background: #dcfce7;
    color: #166534;
}

/* Clash Checks Grid */
.clash-checks {
    margin-top: var(--spacing-2xl);
}

.clash-checks h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.checks-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.check-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.check-item.highlighted {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, #fff 0%, #fef2f2 100%);
}

.check-item.highlighted {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 2px solid var(--primary);
}

.check-item.highlighted h4 {
    color: var(--primary);
}

.check-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.check-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.check-item p {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin: 0;
}

.checks-note {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid #3b82f6;
}

.checks-note h4 {
    margin-bottom: var(--spacing-xs);
    color: #1e40af;
}

.checks-note p {
    margin: 0;
    color: #1e3a8a;
    font-size: 0.95rem;
}

.checks-note.linked {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-left: 4px solid #22c55e;
}

.checks-note.linked h4 {
    color: #166534;
}

.checks-note.linked p {
    color: #14532d;
}

/* ========================================
   Logging Section
   ======================================== */
.logging-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: white;
}

.logging-section .section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.logging-section .section-badge {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logging-section h2 {
    color: white;
}

.logging-section .section-header p {
    color: #94a3b8;
}

.logging-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.logging-info h3 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.logging-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.logging-list li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: background 0.2s;
}

.logging-list li:hover {
    background: rgba(255, 255, 255, 0.1);
}

.log-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.logging-list strong {
    display: block;
    color: white;
    margin-bottom: 4px;
}

.logging-list p {
    margin: 0;
    color: #94a3b8;
    font-size: 0.9rem;
}

.logging-benefits {
    margin-top: var(--spacing-xl);
}

.logging-benefits h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.log-benefit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.log-benefit {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.log-benefit span {
    font-size: 1.25rem;
}

.log-benefit p {
    margin: 0;
    font-size: 0.85rem;
    color: #cbd5e1;
}

.logging-preview h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.log-window {
    background: #0d1117;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid #30363d;
}

.log-header {
    background: #161b22;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #30363d;
}

.log-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.log-dot.red { background: #ff5f56; }
.log-dot.yellow { background: #ffbd2e; }
.log-dot.green { background: #27c93f; }

.log-title {
    margin-left: 8px;
    font-size: 0.85rem;
    color: #8b949e;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

.log-content {
    padding: var(--spacing-lg);
    margin: 0;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', Consolas, monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    color: #c9d1d9;
    overflow-x: auto;
    white-space: pre;
}

/* Responsive */
@media (max-width: 1024px) {
    .logging-content {
        grid-template-columns: 1fr;
    }
    
    .log-benefit-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Use Cases Section
   ======================================== */
.use-cases {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.use-case-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.use-case-card.design {
    border-top: 4px solid #3b82f6;
}

.use-case-card.audit {
    border-top: 4px solid #10b981;
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.use-case-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.5px;
}

.use-case-card.design .use-case-badge {
    background: #dbeafe;
    color: #1d4ed8;
}

.use-case-card.audit .use-case-badge {
    background: #d1fae5;
    color: #059669;
}

.use-case-badge.new::after {
    content: " ★";
}

.use-case-card h3 {
    margin-bottom: var(--spacing-sm);
}

.use-case-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.use-case-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.use-case-card li {
    padding: var(--spacing-xs) 0;
    padding-left: 24px;
    position: relative;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.use-case-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Audit Details */
.audit-details {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid #10b981;
}

.audit-details > h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.audit-checks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.audit-check {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.audit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.audit-icon.error {
    filter: hue-rotate(0deg);
}

.audit-icon.warning {
    filter: hue-rotate(30deg);
}

.audit-check strong {
    display: block;
    margin-bottom: 4px;
    color: var(--gray-900);
    font-size: 0.95rem;
}

.audit-check p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Audit Workflow */
.audit-workflow {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.audit-workflow h4 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-800);
}

.workflow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.workflow-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.workflow-num {
    width: 28px;
    height: 28px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.workflow-step p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--gray-700);
}

.workflow-arrow {
    color: var(--gray-400);
    font-size: 1.25rem;
    font-weight: bold;
}

.audit-note {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid #f59e0b;
}

.audit-note strong {
    color: #92400e;
}

/* Responsive */
@media (max-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .audit-checks-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .workflow-steps {
        flex-direction: column;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .audit-checks-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Pricing Page
   ======================================== */
.pricing-hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    text-align: center;
}

.pricing-hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-section {
    padding: var(--spacing-2xl) 0;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

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

.toggle-label[data-plan="annual"] {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.save-badge {
    background: #dcfce7;
    color: #166534;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--gray-300);
    border-radius: var(--radius-full);
    transition: 0.3s;
}

.toggle-slider::before {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

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

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: var(--radius-full);
}

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

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

.pricing-desc {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.pricing-price .amount-text {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

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

.pricing-savings {
    text-align: center;
    color: #166534;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #dcfce7;
    border-radius: var(--radius-md);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
    flex-grow: 1;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
}

.pricing-features .check {
    color: #10b981;
    font-weight: bold;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ROI Section */
.roi-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.roi-calculator {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.roi-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.roi-input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

.roi-input-group input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

.roi-input-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.roi-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.roi-result {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.roi-result.highlight {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
}

.roi-result .roi-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.roi-result .roi-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.roi-result.highlight .roi-value {
    color: #166534;
}

.roi-result .roi-detail {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

/* Comparison Section */
.comparison-section {
    padding: var(--spacing-2xl) 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.comparison-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.comparison-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.comparison-item h3 {
    margin-bottom: var(--spacing-lg);
}

.comparison-data {
    text-align: left;
}

.comparison-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row .value {
    font-weight: 600;
}

.comparison-row .value.highlight {
    color: var(--primary);
}

.comparison-row.result {
    background: var(--gray-50);
    margin: var(--spacing-sm) calc(-1 * var(--spacing-md));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.comparison-row.result .value {
    color: #166534;
}

.comparison-note {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid #f59e0b;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.faq-item h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.faq-item p {
    margin: 0;
    color: var(--gray-600);
    font-size: 0.95rem;
}

.faq-item a {
    color: var(--primary);
}

/* ========================================
   Partners Page
   ======================================== */
.partner-hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    text-align: center;
}

.partner-hero h1 {
    color: white;
    font-size: 2.75rem;
    margin-bottom: var(--spacing-md);
}

.partner-hero .hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.partner-hero .section-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Partner Flow */
.partner-flow {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.flow-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    width: 180px;
}

.flow-item .flow-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.flow-item h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.flow-item p {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin: 0;
}

.flow-diagram .flow-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: bold;
}

/* Partner Benefits */
.partner-benefits {
    padding: var(--spacing-2xl) 0;
}

.benefits-grid-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.benefit-card-large {
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.2s;
}

.benefit-card-large:hover {
    transform: translateY(-4px);
}

.benefit-icon-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card-large h3 {
    margin-bottom: var(--spacing-sm);
}

.benefit-card-large p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

/* Partner Pricing */
.partner-pricing {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.partner-pricing-table {
    margin-bottom: var(--spacing-2xl);
}

.partner-pricing-table h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

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

.pricing-tiers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.unlimited-tiers {
    grid-template-columns: repeat(3, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.unlimited-tiers-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
    margin: 0 auto;
}

.tier-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    text-align: center;
}

.tier-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.03);
}

.tier-card.unlimited {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.tier-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.tier-seats, .tier-territory {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.tier-price {
    margin-bottom: var(--spacing-xs);
}

.tier-price .amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.tier-price .period {
    color: var(--gray-600);
}

.tier-per-seat {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.tier-features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.tier-features li {
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
    color: var(--gray-700);
}

/* Customization Section */
.customization-section {
    padding: var(--spacing-2xl) 0;
}

.custom-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.custom-option {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.custom-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.custom-option h4 {
    margin-bottom: var(--spacing-xs);
}

.custom-option p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.custom-price {
    display: inline-block;
    font-size: 0.8rem;
    color: #166534;
    background: #dcfce7;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* Partner ROI */
.partner-roi {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: white;
}

.partner-roi h2 {
    color: white;
}

.roi-example {
    max-width: 700px;
    margin: 0 auto;
}

.roi-scenario {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.roi-scenario h3 {
    color: white;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.roi-calculation .roi-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.roi-calculation .roi-label {
    color: #94a3b8;
}

.roi-calculation .roi-value {
    color: white;
    font-weight: 600;
}

.roi-calculation .roi-row.highlight {
    background: rgba(16, 185, 129, 0.2);
    margin: var(--spacing-sm) calc(-1 * var(--spacing-md));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.roi-calculation .roi-row.highlight .roi-value {
    color: #4ade80;
}

.roi-calculation .roi-row.result {
    background: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-md) calc(-1 * var(--spacing-md)) 0;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: none;
}

.roi-calculation .roi-row.result .roi-value {
    font-size: 1.5rem;
    color: #4ade80;
}

.partner-roi .roi-note {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-lg);
    border-left: 4px solid #fbbf24;
}

.partner-roi .roi-note p {
    margin: 0;
    color: #fef3c7;
}

.partner-roi .roi-note strong {
    color: #fbbf24;
}

/* Partner Contact */
.partner-contact {
    padding: var(--spacing-2xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
}

.contact-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl);
}

.contact-steps li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-steps .step-num {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.contact-steps strong {
    display: block;
    margin-bottom: 2px;
}

.contact-steps p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.contact-direct {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.contact-direct h4 {
    margin-bottom: var(--spacing-sm);
}

.contact-direct a {
    color: var(--primary);
    font-weight: 500;
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .roi-inputs,
    .roi-results {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-diagram {
        flex-direction: column;
    }
    
    .flow-diagram .flow-arrow {
        transform: rotate(90deg);
    }
    
    .benefits-grid-large {
        grid-template-columns: 1fr;
    }
    
    .pricing-tiers,
    .unlimited-tiers,
    .unlimited-tiers-2 {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .tier-card.featured {
        transform: none;
    }
    
    .custom-options-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Documentation Page
   ======================================== */
.docs-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: calc(100vh - 80px);
    margin-top: 80px;
}

.docs-sidebar {
    background: var(--gray-50);
    border-right: 1px solid var(--gray-200);
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.docs-sidebar-content {
    padding: var(--spacing-xl);
}

.docs-sidebar h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.docs-sidebar h4:first-child {
    margin-top: 0;
}

.docs-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.docs-sidebar li {
    margin-bottom: 2px;
}

.docs-sidebar a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all 0.15s;
}

.docs-sidebar a:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.docs-sidebar a.active {
    background: var(--primary);
    color: white;
}

.docs-content {
    padding: var(--spacing-2xl);
    max-width: 900px;
}

.docs-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.docs-header h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.docs-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

.docs-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-100);
}

.docs-section:last-of-type {
    border-bottom: none;
}

.docs-section h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.docs-section h3 {
    font-size: 1.25rem;
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    color: var(--gray-800);
}

.docs-section h4 {
    font-size: 1.1rem;
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    color: var(--gray-800);
}

.docs-section p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.docs-section ul, .docs-section ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.docs-section li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.docs-section code {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: #d63384;
}

/* Docs Note/Tip/Warning */
.docs-note, .docs-tip, .docs-warning {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.docs-note {
    background: #eff6ff;
    border-left: 4px solid #3b82f6;
}

.docs-tip {
    background: #f0fdf4;
    border-left: 4px solid #22c55e;
}

.docs-warning {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
}

/* Docs Steps */
.docs-steps {
    margin: var(--spacing-lg) 0;
}

.docs-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.docs-step .step-number {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.docs-step .step-content {
    flex: 1;
    max-height: none;
    overflow: visible;
}

.docs-step .step-content h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.1rem;
    color: var(--gray-900);
}

.docs-step .step-content p {
    margin: 0;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Docs Table */
.docs-table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.docs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.docs-table th, .docs-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.docs-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.docs-table td code {
    white-space: nowrap;
}

/* Docs Code Block */
.docs-code {
    background: #1e293b;
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    overflow: hidden;
}

.docs-code pre {
    padding: var(--spacing-lg);
    overflow-x: auto;
    color: #e2e8f0;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 0;
}

.docs-example {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.docs-example h4 {
    margin-top: 0;
}

.docs-example pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    margin: 0;
}

/* Docs Card Grid */
.docs-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.docs-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.docs-card h4 {
    margin: 0 0 var(--spacing-sm) 0;
}

.docs-card p {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.docs-card ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Docs Check Grid */
.docs-check-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.docs-check-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.docs-check-item .check-icon {
    font-size: 1.5rem;
}

.docs-check-item strong {
    display: block;
    margin-bottom: 2px;
}

.docs-check-item p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Docs FAQ */
.docs-faq {
    margin: var(--spacing-lg) 0;
}

.docs-faq-item {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.docs-faq-item h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--gray-900);
}

.docs-faq-item ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.docs-faq-item li {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

/* Responsive Docs */
@media (max-width: 1024px) {
    .docs-layout {
        grid-template-columns: 1fr;
    }
    
    .docs-sidebar {
        position: relative;
        top: 0;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .docs-sidebar-content {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .docs-sidebar h4 {
        width: 100%;
        margin: var(--spacing-sm) 0;
    }
    
    .docs-sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .docs-sidebar li {
        margin: 0;
    }
    
    .docs-content {
        padding: var(--spacing-lg);
    }
    
    .docs-card-grid,
    .docs-check-grid {
        grid-template-columns: 1fr;
    }
}

/* Iteration Explainer */
.iteration-explainer {
    margin-top: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.iteration-explainer h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.iteration-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.iteration-step {
    text-align: center;
}

.pipe-visual {
    position: relative;
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.pipe-visual .pipe {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 12px;
    background: linear-gradient(180deg, #60a5fa 0%, #3b82f6 100%);
    border-radius: 6px;
    transform: translateY(-50%);
}

.pipe-visual .fitting {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    background: #f97316;
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.pipe-visual .hanger-attempt {
    position: absolute;
    top: -5px;
    transform: translateX(-50%);
    font-size: 1.25rem;
}

.iteration-step p {
    font-size: 0.9rem;
    color: var(--gray-700);
}

.iteration-config {
    margin-top: var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.iteration-config code {
    background: var(--gray-200);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .clash-comparison {
        grid-template-columns: 1fr;
    }
    
    .checks-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .iteration-visual {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .checks-grid {
        grid-template-columns: 1fr;
    }
}

.screenshot-placeholder span {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.screenshot-placeholder p {
    color: var(--gray-400);
}

.screenshot-caption {
    padding: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

/* ========================================
   Requirements Section
   ======================================== */
.requirements {
    background: var(--white);
}

.requirements-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.requirements-text h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
}

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

.requirements-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.req-icon {
    font-size: 1.5rem;
}

.requirements-list strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.requirements-list p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.requirements-cta {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.requirements-cta h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.requirements-cta > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-brand .logo {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: 0.875rem;
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links a {
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

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

.trademark-notice {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ========================================
   Responsive Design
   ======================================== */

/* ========================================
   Home Page Specific Styles
   ======================================== */
.home-hero {
    padding: 10rem 0 6rem;
    text-align: center;
}

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

.home-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.text-primary {
    color: var(--primary);
}

.home-hero .hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.home-hero .hero-buttons {
    justify-content: center;
}

/* Product Cards */
.home-products {
    background: var(--gray-50);
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all var(--transition-normal);
}

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

.product-card.featured {
    border: 2px solid var(--primary);
}

.product-card.coming-soon {
    opacity: 0.8;
}

.product-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.product-badge-secondary {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-500);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.product-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.product-features {
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.product-features li {
    padding: var(--spacing-sm) 0;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Why Choose Us */
.why-us {
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.why-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.why-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.why-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.why-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Stats Section */
.stats-section {
    background: var(--gray-900);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.stat-card {
    text-align: center;
}

.stat-card .stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .requirements-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-cards {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .navbar .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .home-hero h1 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .step-details {
        padding-left: var(--spacing-lg);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
}

/* ========================================
   Support Page
   ======================================== */
.support-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    text-align: center;
}

.support-hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.support-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.response-time {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255,255,255,0.15);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
}

.response-icon {
    font-size: 1.2rem;
}

/* Support Options Grid */
.support-options {
    padding: var(--spacing-2xl) 0;
    margin-top: -40px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.support-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.support-card:hover {
    transform: translateY(-4px);
}

.support-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

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

.support-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

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

/* License Help Section */
.license-help {
    background: var(--gray-50);
    padding: var(--spacing-2xl) 0;
}

.license-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.license-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.license-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.license-item h4 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.license-item ol, .license-item ul {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.license-item li {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

.license-item p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.license-note {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-style: italic;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-2xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.faq-category h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
}

.faq-item {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-800);
    transition: background var(--transition-fast);
}

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

.faq-toggle {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--primary);
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p, .faq-answer ul {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
}

.faq-answer ul {
    padding-left: calc(var(--spacing-md) + var(--spacing-lg));
}

.faq-answer code {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
}

/* Feedback Section */
.feedback-section {
    background: var(--gray-50);
    padding: var(--spacing-2xl) 0;
}

.feedback-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feedback-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.feedback-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feedback-card h3 {
    margin-bottom: var(--spacing-md);
}

.feedback-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.feedback-email {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
}

.feedback-email:hover {
    text-decoration: underline;
}

/* Contact Form Section */
.contact-form-section {
    padding: var(--spacing-2xl) 0;
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

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

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--gray-700);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

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

.contact-form input[type="file"] {
    padding: var(--spacing-sm);
    background: var(--gray-50);
}

.form-hint {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.contact-form .btn {
    width: 100%;
}

/* Support Page Responsive */
@media (max-width: 1024px) {
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .license-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .feedback-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .support-hero h1 {
        font-size: 2rem;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Buy License Page
   ======================================== */
.buy-hero {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: white;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    text-align: center;
}

.buy-hero h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.buy-hero p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Plan Selection */
.plan-selection {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.plan-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.plan-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.plan-card.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.plan-card.featured {
    border-color: var(--primary);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: var(--radius-full);
}

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

.plan-header h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.plan-price {
    margin-bottom: var(--spacing-xs);
}

.plan-price .price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

.plan-savings {
    color: var(--success);
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg);
}

.plan-features li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    font-size: 0.9rem;
}

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

/* Payment Methods */
.payment-methods {
    padding: var(--spacing-2xl) 0;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.payment-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

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

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

.payment-header h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.payment-provider {
    display: inline-block;
    background: var(--gray-100);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-600);
}

.payment-description {
    margin-bottom: var(--spacing-md);
}

.payment-description p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.payment-description ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.payment-description li {
    padding: 4px 0;
    color: var(--gray-700);
    font-size: 0.85rem;
}

.payment-cards {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.card-logo {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

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

/* Order Summary */
.order-summary {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
}

.summary-box {
    max-width: 400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.summary-box h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.summary-details {
    margin-bottom: var(--spacing-md);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    font-size: 0.95rem;
}

.summary-row.total {
    border-top: 2px solid var(--gray-200);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.1rem;
}

.summary-note {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin: 0;
}

/* Security Section */
.security-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.security-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.security-icon {
    font-size: 1.5rem;
}

.security-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-900);
}

.security-item p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Buy FAQ */
.buy-faq {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.buy-faq-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.buy-faq-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.buy-faq-item h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    color: var(--gray-900);
}

.buy-faq-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Buy Help */
.buy-help {
    padding: var(--spacing-xl) 0;
    background: var(--gray-900);
}

.help-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.help-content h3 {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.help-content p {
    color: var(--gray-400);
    margin: 0;
}

.help-actions .btn-outline {
    border-color: white;
    color: white;
}

.help-actions .btn-outline:hover {
    background: white;
    color: var(--gray-900);
}

/* Buy Page Responsive */
@media (max-width: 1024px) {
    .plan-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .payment-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .buy-faq-list {
        grid-template-columns: 1fr;
    }
    
    .help-box {
        flex-direction: column;
        text-align: center;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Buy License Page
   ======================================== */
.buy-hero {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: white;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-xl);
    text-align: center;
}

.buy-hero h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.buy-hero p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* License Selection */
.license-selection {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.license-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.license-option {
    position: relative;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.license-option:hover {
    border-color: var(--gray-400);
}

.license-option.selected,
.license-option.featured.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.license-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.license-option label {
    display: block;
    padding: var(--spacing-xl);
    cursor: pointer;
}

.license-option-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-sm);
}

.license-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.license-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.license-price .period {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--gray-500);
}

.license-desc {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0;
}

.license-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* Payment Methods */
.payment-methods {
    padding: var(--spacing-2xl) 0;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.payment-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.payment-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.payment-flag {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.payment-header {
    margin-bottom: var(--spacing-lg);
}

.payment-header h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.payment-provider {
    display: inline-block;
    background: var(--gray-100);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-600);
}

.payment-features {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.payment-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.payment-features li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.payment-price {
    background: var(--gray-50);
    margin: 0 calc(-1 * var(--spacing-xl));
    padding: var(--spacing-md) var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.price-label {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.price-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.price-note {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.payment-btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.payment-note {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin: 0;
}

/* What Happens Next */
.what-next {
    background: var(--gray-50);
    padding: var(--spacing-2xl) 0;
}

.next-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.next-step {
    text-align: center;
}

.next-step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.next-step-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.next-step-content p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0;
}

/* Buy FAQ */
.buy-faq {
    padding: var(--spacing-2xl) 0;
}

.buy-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.buy-faq-item {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.buy-faq-item h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
    font-size: 1rem;
}

.buy-faq-item p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
}

/* Enterprise CTA */
.enterprise-cta {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-900);
}

.enterprise-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.enterprise-content h3 {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.enterprise-content p {
    color: var(--gray-400);
    margin: 0;
}

.enterprise-cta .btn-outline {
    border-color: white;
    color: white;
    flex-shrink: 0;
}

.enterprise-cta .btn-outline:hover {
    background: white;
    color: var(--gray-900);
}

/* Buy Page Responsive */
@media (max-width: 1024px) {
    .payment-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .next-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .license-options {
        grid-template-columns: 1fr;
    }
    
    .buy-faq-grid {
        grid-template-columns: 1fr;
    }
    
    .enterprise-box {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   Download Page Styles
   ======================================== */

.download-hero {
    padding: 80px 0 40px;
    background: linear-gradient(135deg, #1a5276 0%, #2874a6 100%);
    text-align: center;
}

.download-hero h1 {
    color: #fff;
    margin-bottom: 15px;
}

.download-hero .hero-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
}

.download-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.download-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
}

.main-download {
    border: 2px solid #3498db;
}

.download-card-header {
    background: linear-gradient(135deg, #3498db 0%, #2874a6 100%);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.product-icon-large {
    font-size: 3rem;
    margin-bottom: 10px;
}

.download-card-header h2 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.version-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.download-card-body {
    padding: 30px;
}

.download-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.download-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    color: #2c3e50;
}

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

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 30px;
    font-size: 1.1rem;
}

.download-icon {
    font-size: 1.3rem;
}

.file-size {
    font-size: 0.85rem;
    opacity: 0.8;
}

.download-note {
    text-align: center;
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-top: 15px;
}

.requirements-card {
    padding: 30px;
}

.requirements-card h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.requirements-table {
    width: 100%;
    border-collapse: collapse;
}

.requirements-table tr {
    border-bottom: 1px solid #eee;
}

.requirements-table td {
    padding: 12px 0;
    color: #5d6d7e;
}

.requirements-table td:first-child {
    width: 40%;
}

/* Installation Section */
.installation-section {
    padding: 80px 0;
}

.installation-steps {
    display: flex;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.install-step {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db 0%, #2874a6 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.step-content p {
    color: #5d6d7e;
    line-height: 1.6;
}

/* What's New Section */
.whats-new-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.changelog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.changelog-card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.changelog-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.changelog-card h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.changelog-card p {
    color: #5d6d7e;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* FAQ Section */
.download-faq-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
}

.faq-item h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.faq-item p {
    color: #5d6d7e;
    line-height: 1.6;
    margin: 0;
}

.faq-item a {
    color: #3498db;
    text-decoration: none;
}

.faq-item a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .installation-steps {
        flex-direction: column;
        gap: 30px;
    }
    
    .changelog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .changelog-grid {
        grid-template-columns: 1fr;
    }
}