/* ===================================
   SuperChat Website - Professional Light Theme
   Modern, Clean, Corporate Design
   =================================== */

/* === CSS Variables === */
:root {
    /* Light Theme Colors */
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #6366f1;
    --color-secondary: #0ea5e9;
    --color-accent: #8b5cf6;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    
    /* 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;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max-width: 1280px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

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

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

/* === Navigation === */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid var(--color-gray-200);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.nav-brand .logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-menu a {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--color-primary);
    background-color: var(--color-gray-50);
}

.btn-nav {
    background: var(--gradient-primary) !important;
    color: var(--color-white) !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* === Hero Sections === */
.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.hero-small {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-primary);
    text-align: center;
    color: var(--color-white);
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-small .hero-badge {
    background-color: rgba(255, 255, 255, 0.2);
}

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

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

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-small h1 {
    font-size: 2.5rem;
    color: var(--color-white);
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-small .gradient-text {
    color: rgba(255, 255, 255, 0.9);
    background: none;
    -webkit-text-fill-color: inherit;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-small .hero-description {
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-gray-300);
}

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

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    background-color: var(--color-gray-100);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

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

/* === Architecture Cards === */
.architecture {
    background-color: var(--color-gray-50);
}

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

.arch-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.arch-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.arch-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

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

.arch-features {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.arch-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-600);
}

.arch-features i {
    color: var(--color-success);
}

/* === Architecture Diagram === */
.architecture-diagram {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    gap: var(--spacing-lg);
}

.diagram-card {
    flex: 1;
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-gray-200);
}

.diagram-card i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.diagram-arrow {
    font-size: 2rem;
    color: var(--color-gray-400);
    font-weight: bold;
}

/* === AI Models Grid === */
.ai-models {
    background-color: var(--color-white);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.model-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

.model-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.model-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #fff 0%, #f0f9ff 100%);
}

.model-card.premium {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, #fff 0%, #faf5ff 100%);
}

.featured-label, .premium-label {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.premium-label {
    background: var(--gradient-accent);
}

.model-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.model-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.model-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.model-badge.fast { background-color: #dbeafe; color: #1e40af; }
.model-badge.quality { background-color: #dcfce7; color: #166534; }
.model-badge.reasoning { background-color: #fef3c7; color: #92400e; }
.model-badge.multilingual { background-color: #f3e8ff; color: #6b21a8; }
.model-badge.creative { background-color: #fce7f3; color: #9f1239; }
.model-badge.lightweight { background-color: #e0e7ff; color: #3730a3; }
.model-badge.god { background-color: #1f2937; color: #fbbf24; }

.model-size {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.model-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

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

.model-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
}

.model-features i {
    color: var(--color-success);
    margin-top: 4px;
}

.model-specs {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

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

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

.spec-value {
    font-weight: 600;
    color: var(--color-gray-900);
}

.model-use-cases {
    padding: var(--spacing-md);
    background-color: var(--color-blue-50);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

/* === Comparison Table === */
.comparison {
    background-color: var(--color-gray-50);
}

.comparison-table-wrapper {
    overflow-x: auto;
}

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

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

.comparison-table th {
    background-color: var(--color-gray-100);
    font-weight: 600;
    color: var(--color-gray-900);
}

.comparison-table tr:hover {
    background-color: var(--color-gray-50);
}

.comparison-table i.fa-star {
    color: #fbbf24;
}

/* === Deployment Grid === */
.deployment {
    background-color: var(--color-white);
}

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

.deploy-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.deploy-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.deploy-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
}

.deploy-benefits {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.deploy-benefits li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
}

.deploy-benefits i {
    color: var(--color-success);
}

.deploy-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* === Workflow Visual === */
.workflow-visual {
    background-color: var(--color-gray-50);
}

.workflow-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.workflow-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    justify-content: center;
}

.workflow-node {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    min-width: 150px;
    transition: all var(--transition-base);
}

.workflow-node:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.workflow-node.input-node { border-color: #3b82f6; }
.workflow-node.process-node { border-color: #8b5cf6; }
.workflow-node.ai-node { border-color: #ec4899; }
.workflow-node.cloud-node { border-color: #0ea5e9; }
.workflow-node.output-node { border-color: #10b981; }
.workflow-node.notify-node { border-color: #f59e0b; }

.node-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.node-title {
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

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

.workflow-arrow {
    font-size: 1.5rem;
    color: var(--color-gray-400);
    font-weight: bold;
}

.workflow-caption {
    text-align: center;
    color: var(--color-gray-600);
    margin-top: var(--spacing-lg);
}

/* === Node Categories (Tabs) === */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

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

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

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
}

/* === Node Detail Cards === */
.nodes-container {
    position: relative;
}

.nodes-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    animation: fadeIn 0.3s ease;
}

.nodes-grid.active {
    display: grid;
}

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

.node-detail-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.node-detail-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.node-header-detail {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.node-icon-large {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    color: var(--color-white);
}

.node-icon-large.input-node { background-color: #3b82f6; }
.node-icon-large.cloud-node { background-color: #0ea5e9; }
.node-icon-large.email-node { background-color: #8b5cf6; }
.node-icon-large.social-node { background-color: #ec4899; }
.node-icon-large.web-node { background-color: #06b6d4; }
.node-icon-large.process-node { background-color: #8b5cf6; }
.node-icon-large.ai-node { background-color: #ec4899; }
.node-icon-large.translate-node { background-color: #14b8a6; }
.node-icon-large.notify-node { background-color: #f59e0b; }
.node-icon-large.db-node { background-color: #6366f1; }
.node-icon-large.logic-node { background-color: #10b981; }
.node-icon-large.output-node { background-color: #059669; }
.node-icon-large.god { background: linear-gradient(135deg, #1f2937 0%, #fbbf24 100%); }

.node-type {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.node-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.node-ports {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.port-info {
    color: var(--color-gray-700);
    line-height: 1.6;
}

.node-use-case {
    background-color: #17ce79;
    padding: var(--spacing-md);
    background-color: var(--color-blue-50);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

/* === How to Use Steps === */
.how-to-use {
    background-color: var(--color-gray-50);
}

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

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

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0;
}

/* === Technology Stack === */
.tech-stack {
    background-color: var(--color-white);
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.stack-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.stack-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
}

.stack-list {
    list-style: none;
}

.stack-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
}

.stack-list strong {
    color: var(--color-gray-900);
}

/* === Deployment Architecture Detail === */
.deployment-arch {
    background-color: var(--color-gray-50);
}

.arch-detail {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
}

.arch-detail-header {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.arch-icon-large {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.arch-subtitle {
    color: var(--color-gray-600);
    font-size: 1.125rem;
}

.arch-diagram-detailed {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.diagram-layer {
    text-align: center;
}

.layer-title {
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    font-size: 0.875rem;
}

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

.diagram-box {
    flex: 1;
    max-width: 200px;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    background-color: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.diagram-box.user { border-color: #3b82f6; background-color: #dbeafe; }
.diagram-box.network { border-color: #8b5cf6; background-color: #f3e8ff; }
.diagram-box.app { border-color: #ec4899; background-color: #fce7f3; }
.diagram-box.data { border-color: #10b981; background-color: #d1fae5; }
.diagram-box.cloud { border-color: #0ea5e9; background-color: #e0f2fe; }

.diagram-box i {
    font-size: 1.5rem;
}

.diagram-arrow-down {
    text-align: center;
    font-size: 2rem;
    color: var(--color-gray-400);
    font-weight: bold;
}

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

.arch-feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.arch-feature i {
    color: var(--color-success);
    font-size: 1.25rem;
    margin-top: 2px;
}

/* === Hybrid Deployment Diagram === */
.hybrid-diagram {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.hybrid-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hybrid-title {
    font-weight: 700;
    font-size: 1.25rem;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
}

.hybrid-box {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid;
}

.hybrid-box.sensitive {
    border-color: #10b981;
    background-color: #d1fae5;
}

.hybrid-box.cloud-item {
    border-color: #0ea5e9;
    background-color: #e0f2fe;
}

.hybrid-connector {
    flex-shrink: 0;
    text-align: center;
}

.connector-line {
    width: 2px;
    height: 100px;
    background-color: var(--color-gray-300);
    margin: 0 auto;
}

.connector-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: var(--spacing-md) auto;
}

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

/* === APIs Section === */
.apis {
    background-color: var(--color-white);
}

.api-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.api-category {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.api-category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.api-category-header i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.api-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

.api-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.api-details h4 {
    margin-bottom: var(--spacing-xs);
}

.api-details p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.api-auth {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-blue-100);
    color: var(--color-blue-700);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* === Code Blocks === */
.api-reference {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.api-ref-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.code-block {
    background-color: var(--color-gray-900);
    color: #e5e7eb;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

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

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

.type-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
}

.execution-steps {
    padding-left: var(--spacing-lg);
}

.execution-steps li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
}

/* === System Requirements === */
.requirements {
    background-color: var(--color-gray-50);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.requirement-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.requirement-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #fff 0%, #f0f9ff 100%);
}

.req-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
}

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

.req-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
}

.req-note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-blue-50);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

/* === Benchmarks === */
.benchmarks {
    background-color: var(--color-white);
}

.benchmark-table-wrapper {
    overflow-x: auto;
}

.benchmark-table {
    width: 100%;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-collapse: collapse;
}

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

.benchmark-table th {
    background-color: var(--color-gray-100);
    font-weight: 600;
}

.benchmark-table tr:hover {
    background-color: var(--color-gray-50);
}

.highlight-row {
    background-color: var(--color-blue-50) !important;
}

.benchmark-notes {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-blue-50);
    border-left: 3px solid var(--color-info);
    border-radius: var(--radius-md);
}

/* === Security Grid === */
.security {
    background-color: var(--color-gray-50);
}

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

.security-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.security-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
}

.security-list {
    list-style: none;
}

.security-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
}

/* === About Page === */
.mission-vision {
    background-color: var(--color-gray-50);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
}

.mv-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.mv-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-lg);
}

/* === Company Story Timeline === */
.company-story {
    background-color: var(--color-white);
}

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

.timeline-item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 47px;
    top: 60px;
    width: 2px;
    height: calc(100% - 20px);
    background-color: var(--color-gray-300);
}

#Today{
    text-align: center;
}

.timeline-year {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    padding-top: var(--spacing-md);
}

/* === Values Grid === */
.values {
    background-color: var(--color-gray-50);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.value-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-lg);
}

/* === Team Grid === */
.team {
    background-color: var(--color-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.team-member {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.team-member:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.member-photo {
    width: 100%;
    aspect-ratio: 1 / 1 !important;
    overflow: hidden !important;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover !important;          /* no stretching */
    object-position: center top !important;
    display: block;
}


.photo-placeholder {
    width: 120px;
    height: 120px;
    background-color: var(--color-gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-gray-500);
}

.member-info {
    padding: var(--spacing-xl);
}

.member-info h3 {
    margin-bottom: var(--spacing-xs);
}

.member-title {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.member-bio {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

/* .member-social {
    display: flex;
    gap: var(--spacing-md);
} */

.member-social a {
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

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

/* === Advisors === */
.advisors {
    background-color: var(--color-gray-50);
}

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

.advisor-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.advisor-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-lg);
}

.advisor-title {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

/* === Company Stats === */
.stats {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-1.5xl);
}

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

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
}

.stat-item .stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* === Careers Teaser === */
.careers {
    background-color: var(--color-gray-50);
}

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

.careers-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-lg);
}

/* === Contact Page === */
.contact-section {
    background-color: var(--color-gray-50);
}

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

.contact-form-wrapper, .contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-form-wrapper h2 {
    margin-bottom: var(--spacing-sm);
}

.form-intro {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

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

.form-group textarea {
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: start;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.checkbox-label span {
    color: var(--color-gray-700);
    font-size: 0.875rem;
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

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

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.method-details h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.method-details a {
    color: var(--color-primary);
    font-weight: 600;
}

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

.office-hours {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.office-hours h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.office-hours p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.social-links {
    margin-top: var(--spacing-xl);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icons a {
    width: 45px;
    height: 45px;
    background-color: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-600);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.office-location {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.office-location:last-child {
    border-bottom: none;
}

.office-location h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* === FAQ === */
.faq-section {
    background-color: var(--color-white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.faq-item {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.faq-question i {
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-answer {
    color: var(--color-gray-600);
    padding-left: calc(1.25rem + var(--spacing-md));
}

/* === Map Section === */
.map-section {
    background-color: var(--color-gray-50);
}

.map-placeholder {
    height: 400px;
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--color-gray-400);
}

/* === CTA Section === */
.cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

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

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

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

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

.footer-logo {
    height: 70px;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-weight: 600;
    color: var(--color-gray-100);
    margin-bottom: var(--spacing-sm);
}

.footer-col h4 {
    color: var(--color-gray-100);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul li a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-700);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

/* === Responsive === */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .workflow-row {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
    }
    
    .architecture-diagram {
        flex-direction: column;
    }
    
    .diagram-arrow {
        transform: rotate(90deg);
    }
    
    .hybrid-diagram {
        flex-direction: column;
    }
    
    .layer-boxes {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .models-grid, .stack-grid, .nodes-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* === Utility Classes === */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.bg-primary { background-color: var(--color-primary); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.py-xl { padding: var(--spacing-xl) 0; }

.carousel-track {
  position: relative;
  width: 100%;
  height: 220px;
}

.diagram-card {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.diagram-card.active {
  opacity: 1;
  transform: scale(1);
  position: relative;
}

.carousel-btn {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: #666;
}

.carousel-btn:hover {
  color: #000;
}



footer {
    position: relative;
    z-index: 9999;
}
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;   /* 🔥 MOST IMPORTANT */
    z-index: 1000;
}

/* Active modal */
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;   /* allow clicks ONLY when open */
}

/* Modal Container */
.modal {
    background: white;
    border-radius: 12px;
    width: 100%;
    max-width: 700px;
    max-height: 70vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal Close Button */
.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: #6b7280;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 10;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #f3f4f6;
    color: #111827;
}

/* Modal Header */
.modal h2 {
    padding: 30px 30px 15px 30px;
    margin: 0;
    font-size: 1.8rem;
    color: #111827;
    border-bottom: 1px solid #e5e7eb;
}

/* Modal Content */
#modalContent {
    padding: 20px 30px 30px 30px;
    color: #374151;
    line-height: 1.6;
}

#modalContent h3 {
    color: #111827;
    margin: 25px 0 10px 0;
    font-size: 1.3rem;
}

#modalContent p {
    margin-bottom: 15px;
}

#modalContent ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

#modalContent li {
    margin-bottom: 8px;
}

#modalContent strong {
    color: #111827;
}

/* Prevent body scrolling when modal is open */
body.modal-open {
    overflow: hidden !important;
}

.footer,
.footer-links,
.footer-links a {
    position: relative;
    z-index: 5;
    pointer-events: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal {
        max-height: 70vh;
        border-radius: 8px;
        margin: 10px;
    }
    
    .modal h2 {
        padding: 25px 20px 15px 20px;
        font-size: 1.5rem;
    }
    
    #modalContent {
        padding: 15px 20px 25px 20px;
    }
    
    .modal-close {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .modal {
        margin: 5px;
    }
    
    .modal h2 {
        padding: 20px 15px 10px 15px;
        font-size: 1.3rem;
    }
    
    #modalContent {
        padding: 10px 15px 20px 15px;
        font-size: 0.95rem;
    }
}




/* === Dropdown Navigation === */
.nav-menu .dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.dropdown-toggle i {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    min-width: 280px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: flex;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-00);
    border-radius: var(--radius-md);
    margin: var(--spacing-xs) 0;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
}

.dropdown-menu a.section-badge {
    background-color: var(--color-gray-50);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-md);
    border-left: 3px solid var(--color-primary);
}

.dropdown-menu a:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.dropdown-menu a.section-badge:hover {
    background-color: var(--color-gray-300);
    color: var(--color-primary-dark);
}

/* Mobile dropdown adjustments */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        background-color: var(--color-gray-50);
        border-radius: var(--radius-md);
        margin-top: var(--spacing-sm);
        margin-left: var(--spacing-md);
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
    }

    .dropdown-toggle i {
        transform: rotate(0);
    }

    .dropdown.active .dropdown-toggle i {
        transform: rotate(180deg);
    }
}


* {
    transition: background-color 0.2s ease,
                border-color 0.2s ease,
                color 0.2s ease,
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Form Message Styles */
.form-message {
    padding: 15px;
    margin: 20px 0;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #34d399;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #f87171;
}

.form-message.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #60a5fa;
}

/* Verification Notice */
.verification-notice {
    background: #f0f9ff;
    border: 1px solid #7dd3fc;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    text-align: center;
}

.verification-notice i {
    font-size: 40px;
    color: #0ea5e9;
    margin-bottom: 15px;
}

.verification-notice h4 {
    color: #0369a1;
    margin-bottom: 10px;
}

/* Form Improvements */
.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Loading State */
button[disabled] {
    opacity: 0.7;
    cursor: not-allowed;
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

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





/* Force footer links to be clickable on desktop */
@media (min-width: 763px) {
    .footer-links {
        position: relative;
        z-index: 9999 !important;
    }
    
    .footer-links a {
        cursor: pointer !important;
        pointer-events: auto !important;
        position: relative !important;
        z-index: 10000 !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: inline-block !important;
    }
    
    /* Make sure nothing covers the footer links */
    .footer-bottom {
        position: relative;
        z-index: 100 !important;
    }
    
    /* Remove any pseudo-elements that might cover */
    .footer-links::before,
    .footer-links::after,
    .footer-links a::before,
    .footer-links a::after {
        display: none !important;
        content: none !important;
    }
}