/*
 * SABA AI - Enterprise Dark Theme v2
 * Professional corporate design - no gimmicks
 */

/* =====================
   CSS Variables
   ===================== */
:root {
    /* Background Colors */
    --bg-primary: #0b0d10;
    --bg-secondary: #111318;
    --bg-tertiary: #181b21;
    --bg-card: #14171c;
    
    /* Text Colors */
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;
    
    /* Accent Colors - Professional, not "AI purple" */
    --accent-primary: #1a73e8;
    --accent-secondary: #34a853;
    --accent-tertiary: #ea8600;
    --accent-highlight: #00bcd4;
    --accent-gold: #f9ab00;
    --accent-red: #ea4335;
    
    /* Borders */
    --border-color: #282c34;
    --border-hover: #3c4043;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
    
    /* Layout */
    --nav-height: 64px;
    --max-width: 1280px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* =====================
   Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
h4 { font-size: 1.125rem; margin-bottom: 0.75rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent-highlight);
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-highlight);
}

/* =====================
   Top Navigation
   ===================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(11, 13, 16, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 32px;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.navbar-logo span {
    color: var(--accent-gold);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

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

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 12px;
    color: var(--text-secondary);
    font-size: 14px;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.navbar-cta {
    padding: 10px 20px;
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 14px;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.navbar-cta:hover {
    background: #ffb300;
    color: var(--bg-primary);
    transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* =====================
   Layout
   ===================== */
.main-content {
    padding-top: var(--nav-height);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 48px 0;
}

.divider {
    height: 1px;
    background: var(--border-color);
    margin: 0;
}

/* =====================
   Hero Section
   ===================== */
.hero {
    padding: 120px 0 80px;
    text-align: center;
}

.hero-label {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(249, 171, 0, 0.1);
    border: 1px solid rgba(249, 171, 0, 0.3);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 .highlight {
    color: var(--accent-gold);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-meta {
    font-size: 14px;
    color: var(--text-muted);
}

.hero-meta strong {
    color: var(--accent-highlight);
}

/* =====================
   Buttons
   ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: #ffb300;
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(249, 171, 0, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* =====================
   Cards
   ===================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    transition: all var(--transition-normal);
}

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

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 20px;
    flex-shrink: 0;
}

.card h4 {
    margin: 0;
    font-size: 1.125rem;
}

.card p {
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Industry Cards */
.industry-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.industry-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.15);
}

.industry-card h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.industry-card p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.industry-card .link-text {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 500;
}

.industry-card:hover .link-text {
    gap: 10px;
}

/* Tech Cards */
.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
}

.tech-card h4 {
    color: var(--accent-highlight);
    margin-bottom: 20px;
    font-size: 1rem;
}

.tech-card ul {
    list-style: none;
}

.tech-card li {
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

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

.tech-card li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-secondary);
    border-radius: 50%;
    margin-top: 7px;
    flex-shrink: 0;
}

/* =====================
   Mermaid Diagrams - Natural Integration
   ===================== */
.diagram-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 48px;
    margin: 40px 0;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.diagram-section .mermaid {
    display: flex;
    justify-content: center;
    min-width: fit-content;
}

.diagram-section .mermaid svg {
    max-width: none;
    height: auto;
}

/* Remove figure captions, let diagrams speak */
.diagram-caption {
    display: none;
}

/* Diagram zoom hint on mobile */
.diagram-zoom-hint {
    display: none;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 12px;
}

@media (max-width: 768px) {
    .diagram-section {
        padding: 16px;
        margin: 24px -16px;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .diagram-section .mermaid {
        min-width: 600px;
        padding: 16px 0;
    }
    
    .diagram-zoom-hint {
        display: block;
    }
}

/* =====================
   Feature Blocks
   ===================== */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding: 64px 0;
}

.feature-block.reverse {
    direction: rtl;
}

.feature-block.reverse > * {
    direction: ltr;
}

.feature-content h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.feature-content p {
    font-size: 16px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-top: 24px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    color: var(--text-secondary);
    font-size: 15px;
}

.feature-list li::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--accent-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

/* =====================
   Stats Grid
   ===================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 48px 0;
}

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

.stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* =====================
   Comparison Cards
   ===================== */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
}

.comparison-card h4 {
    margin-bottom: 16px;
    color: var(--accent-highlight);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
}

.comparison-before,
.comparison-after {
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
}

.comparison-before {
    background: rgba(234, 67, 53, 0.1);
    border: 1px solid rgba(234, 67, 53, 0.2);
}

.comparison-after {
    background: rgba(52, 168, 83, 0.1);
    border: 1px solid rgba(52, 168, 83, 0.2);
}

.comparison-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.comparison-before .comparison-label { color: var(--accent-red); }
.comparison-after .comparison-label { color: var(--accent-secondary); }

/* =====================
   Process Steps
   ===================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-step {
    text-align: center;
    padding: 32px 24px;
}

.process-number {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin: 0 auto 20px;
}

.process-step h4 {
    margin-bottom: 12px;
}

.process-step p {
    font-size: 14px;
}

/* =====================
   Tables
   ===================== */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th {
    background: var(--bg-tertiary);
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(26, 115, 232, 0.05);
}

/* =====================
   Badges
   ===================== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-primary { background: rgba(26, 115, 232, 0.15); color: var(--accent-primary); }
.badge-secondary { background: rgba(52, 168, 83, 0.15); color: var(--accent-secondary); }
.badge-tertiary { background: rgba(234, 134, 0, 0.15); color: var(--accent-tertiary); }
.badge-highlight { background: rgba(0, 188, 212, 0.15); color: var(--accent-highlight); }

/* =====================
   Forms
   ===================== */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%235f6368'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 44px;
}

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

.form-error {
    color: var(--accent-red);
    font-size: 13px;
    margin-top: 6px;
}

.form-hint {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 6px;
}

/* =====================
   CTA Section
   ===================== */
.cta-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 64px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.cta-section h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-section p {
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 16px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =====================
   Footer
   ===================== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.footer-brand h4 span {
    color: var(--accent-gold);
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-col h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-col a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* =====================
   Flash Messages
   ===================== */
.flash-messages {
    position: fixed;
    top: calc(var(--nav-height) + 16px);
    right: 16px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.flash-message {
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.flash-message.success {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-secondary);
    color: var(--accent-secondary);
}

.flash-message.error {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    margin-left: auto;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

/* =====================
   Demo Page
   ===================== */
.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.calendly-container {
    min-height: 650px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* =====================
   Error Pages
   ===================== */
.error-page {
    text-align: center;
    padding: 160px 24px;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 16px;
}

.error-page h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.error-page p {
    max-width: 480px;
    margin: 0 auto 32px;
}

/* =====================
   Responsive - Tablet
   ===================== */
@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .feature-block { grid-template-columns: 1fr; gap: 40px; }
    .feature-block.reverse { direction: ltr; }
}

/* =====================
   Responsive - Mobile
   ===================== */
@media (max-width: 768px) {
    /* Navigation */
    .navbar {
        padding: 0 16px;
    }
    
    .navbar-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
    }
    
    .navbar-nav.open {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 14px 16px;
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0 0 0 20px;
        margin-top: 8px;
    }
    
    .dropdown-item {
        padding: 12px 16px;
    }
    
    .navbar-cta {
        width: 100%;
        text-align: center;
        margin-top: 12px;
    }
    
    /* Hero */
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    /* Sections */
    .section {
        padding: 48px 0;
    }
    
    .section-sm {
        padding: 32px 0;
    }
    
    .container {
        padding: 0 16px;
    }
    
    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; margin-bottom: 1rem; }
    h3 { font-size: 1.25rem; }
    
    /* Cards */
    .card-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .card {
        padding: 20px;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        padding: 32px 0;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    /* Comparison */
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .comparison-card {
        padding: 20px;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    /* Process */
    .process-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .process-step {
        padding: 24px 16px;
        text-align: left;
        display: flex;
        gap: 16px;
        align-items: flex-start;
    }
    
    .process-number {
        margin: 0;
        flex-shrink: 0;
    }
    
    .process-step h4,
    .process-step p {
        margin-bottom: 8px;
    }
    
    /* Feature blocks */
    .feature-block {
        gap: 32px;
        padding: 40px 0;
    }
    
    .feature-content h3 {
        font-size: 1.5rem;
    }
    
    /* Diagrams - make scrollable */
    .diagram-section {
        padding: 20px;
        margin: 24px 0;
        overflow-x: auto;
    }
    
    .diagram-section .mermaid {
        min-width: 500px;
    }
    
    /* CTA */
    .cta-section {
        padding: 32px 20px;
        border-radius: 12px;
    }
    
    .cta-section h3 {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    /* Demo page */
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-brand {
        order: -1;
    }
    
    .footer-col ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px 16px;
    }
    
    .footer-col li {
        margin-bottom: 0;
    }
    
    /* Industry cards */
    .industry-card {
        padding: 24px;
    }
    
    /* Tech cards */
    .tech-card {
        padding: 20px;
    }
    
    /* Tables */
    .table-container {
        margin: 0 -16px;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 12px 14px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Buttons */
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .btn-lg {
        padding: 16px 28px;
    }
    
    /* Error pages */
    .error-page {
        padding: 80px 16px;
    }
    
    .error-code {
        font-size: 5rem;
    }
}

/* =====================
   Responsive - Small Mobile
   ===================== */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    
    .stats-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stat-item {
        padding: 16px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .stat-item:last-child {
        border-bottom: none;
    }
    
    .stat-value {
        font-size: 2.5rem;
    }
    
    .hero-label {
        font-size: 11px;
        padding: 5px 12px;
    }
    
    .navbar-logo {
        font-size: 1.1rem;
    }
    
    /* Case study cards */
    .case-study-metric {
        font-size: 2rem;
    }
    
    .case-study-label {
        font-size: 14px;
    }
    
    /* Article content */
    .article-header {
        padding: 48px 0 32px;
    }
    
    .article-content p {
        font-size: 15px;
    }
    
    .article-content blockquote {
        padding: 16px 20px;
        font-size: 15px;
        margin: 24px 0;
    }
}

/* =====================
   Logo Bar
   ===================== */
.logo-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.logo-item {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.logo-item:hover {
    opacity: 1;
}

/* =====================
   Case Studies
   ===================== */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-study-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all var(--transition-normal);
}

.case-study-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(249, 171, 0, 0.1);
}

.case-study-industry {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.case-study-metric {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 8px;
}

.case-study-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.case-study-card p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-study-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.case-study-tags span {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

/* =====================
   Testimonials
   ===================== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 24px;
    font-size: 4rem;
    color: var(--accent-gold);
    opacity: 0.3;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-quote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
    padding-top: 24px;
    font-style: italic;
}

.testimonial-author {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.testimonial-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.testimonial-company {
    font-size: 14px;
    color: var(--text-muted);
}

/* =====================
   Lead Magnet
   ===================== */
.lead-magnet-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px;
}

.lead-magnet-content h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.lead-magnet-content p {
    font-size: 16px;
    line-height: 1.7;
}

.lead-magnet-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
}

.lead-magnet-form h4 {
    margin-bottom: 24px;
    text-align: center;
}

/* =====================
   Blog
   ===================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
    display: block;
    text-decoration: none;
}

.blog-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.15);
}

.blog-card-content {
    padding: 28px;
}

.blog-card-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.blog-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.blog-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-primary);
}

/* Featured blog card */
.blog-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.blog-card.featured .blog-card-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-card.featured h3 {
    font-size: 1.5rem;
}

/* Article page */
.article-header {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 0 48px;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

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

.article-content h2 {
    margin-top: 48px;
    margin-bottom: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.article-content h3 {
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--accent-highlight);
}

.article-content p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.article-content ul, .article-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.article-content li {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.article-content blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-gold);
    border-radius: 0 8px 8px 0;
    font-size: 18px;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content .diagram-section {
    margin: 40px 0;
}

/* =====================
   Print
   ===================== */
@media print {
    .navbar, .flash-messages { display: none !important; }
    .main-content { padding-top: 0; }
    body { background: white; color: black; }
}

/* =====================
   Additional Responsive
   ===================== */
@media (max-width: 1024px) {
    .case-study-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .lead-magnet-section { grid-template-columns: 1fr; gap: 32px; }
    .blog-grid { grid-template-columns: 1fr; }
    .blog-card.featured { grid-column: span 1; grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .logo-bar { 
        gap: 16px 24px;
        justify-content: center;
    }
    .logo-item { font-size: 11px; }
    .case-study-metric { font-size: 2.5rem; }
    .lead-magnet-section { 
        padding: 24px 20px; 
        border-radius: 12px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .testimonial-quote {
        font-size: 14px;
        padding-top: 16px;
    }
    
    .testimonial-card::before {
        font-size: 3rem;
        top: 12px;
        left: 16px;
    }
    
    .blog-card-content {
        padding: 20px;
    }
    
    .blog-card h3 {
        font-size: 1.1rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .logo-bar {
        gap: 12px 20px;
    }
    
    .logo-item {
        font-size: 10px;
    }
}