/* ==========================================================================
   NYAY-AI Website Styles
   Purple theme - Single page
   ========================================================================== */

:root {
    /* Purple Colors */
    --color-bg: #1a1a1f;
    --color-bg-alt: #141418;
    --color-bg-elevated: #24242b;
    --color-bg-card: #1e1e24;
    
    --color-text: #f0f0f2;
    --color-text-muted: #a8a8b3;
    --color-text-dim: #6b6b78;
    
    --color-primary: #a78bfa;
    --color-primary-dark: #8b5cf6;
    --color-primary-glow: rgba(167, 139, 250, 0.3);
    
    --color-accent: #c4b5fd;
    --color-accent-alt: #818cf8;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);
    
    --color-success: #34d399;
    --color-warning: #fbbf24;
    --color-danger: #f87171;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-alt) 100%);
    
    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1400px;
    --nav-height: 72px;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

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

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

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

ul, ol { list-style: none; }

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

em {
    font-style: italic;
    color: var(--color-primary);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

section {
    padding: var(--space-4xl) 0;
    position: relative;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(26, 26, 31, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 600;
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke: var(--color-primary);
    stroke-width: 1.5;
    fill: none;
}

.logo-text {
    font-family: var(--font-display);
}

.logo-accent {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm), 0 0 20px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 30px var(--color-primary-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-light);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   Hero Section - Tighter layout, larger card
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(167, 139, 250, 0.1) 0%, transparent 40%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    top: -200px;
    right: -100px;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-alt);
    bottom: -150px;
    left: -100px;
}

/* Hero Container - Tighter gap */
.hero-container {
    display: grid;
    grid-template-columns: 1fr 500px;
    gap: var(--space-2xl);
    align-items: center;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.hero-content {
    padding: var(--space-xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

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

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

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

/* Hero Card - Larger */
.hero-visual {
    display: flex;
    justify-content: flex-end;
}

.hero-card {
    width: 100%;
    max-width: 500px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.02);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border-light);
}

.card-title {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.card-content {
    padding: var(--space-xl);
}

.chat-message {
    margin-bottom: var(--space-lg);
}

.chat-message.user p {
    background: rgba(167, 139, 250, 0.15);
    border: 1px solid rgba(167, 139, 250, 0.2);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.chat-message.ai {
    display: flex;
    gap: var(--space-md);
}

.ai-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-avatar svg {
    width: 24px;
    height: 24px;
    stroke: white;
    stroke-width: 1.5;
    fill: none;
}

.ai-content {
    flex: 1;
}

.ai-content p {
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.ai-content ul {
    margin-left: var(--space-md);
    margin-bottom: var(--space-md);
}

.ai-content li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding: var(--space-xs) 0;
    position: relative;
    padding-left: var(--space-md);
}

.ai-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.ai-action {
    font-size: 0.9rem;
    color: var(--color-primary);
    cursor: pointer;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Values Section
   ========================================================================== */
.values {
    background: var(--color-bg-alt);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.value-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

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

/* Larger Icons */
.value-icon {
    width: 64px;
    height: 64px;
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.value-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-primary);
    stroke-width: 1.5;
    fill: none;
}

.value-card h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.value-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   Platform Tabs
   ========================================================================== */
.platform-tabs {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.tab-list {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    scrollbar-width: none;
}

.tab-list::-webkit-scrollbar { display: none; }

.tab {
    flex: 1;
    min-width: 140px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.tab:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.02);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: rgba(167, 139, 250, 0.05);
}

/* Larger Tab Icons */
.tab-icon {
    width: 32px;
    height: 32px;
}

.tab-icon svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
    stroke-width: 1.5;
    fill: none;
}

.tab-label {
    font-size: 0.85rem;
    font-weight: 500;
}

.tab-panels {
    padding: var(--space-2xl);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    animation: fadeIn 0.3s ease;
}

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

.panel-content h3 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.panel-content > p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.feature-list li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: bold;
}

/* Mock Interfaces */
.mock-interface {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.mock-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ==========================================================================
   Features Deep Dive
   ========================================================================== */
.features {
    background: var(--color-bg-alt);
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    margin-bottom: var(--space-4xl);
}

.feature-block:last-child {
    margin-bottom: 0;
}

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

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

.feature-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

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

.feature-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.feature-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.point {
    display: flex;
    gap: var(--space-md);
}

/* Larger Feature Point Icons */
.point-icon {
    width: 52px;
    height: 52px;
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.point-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-primary);
    stroke-width: 1.5;
    fill: none;
}

.point strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.point p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Feature Visual Cards */
.feature-visual {
    display: flex;
    justify-content: center;
}

.research-card,
.drafting-card,
.review-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
    max-width: 420px;
}

.research-header,
.review-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.review-score {
    color: var(--color-warning);
    font-weight: 600;
}

.research-content {
    padding: var(--space-lg);
}

.research-content h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.research-summary {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.citation {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.cite-marker {
    color: var(--color-primary);
    font-weight: bold;
}

.cite-text {
    flex: 1;
    color: var(--color-text-muted);
}

.cite-verified {
    color: var(--color-success);
    font-weight: 500;
}

.drafting-card {
    padding: var(--space-lg);
}

.draft-input,
.draft-output {
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.draft-input {
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.2);
}

.draft-output {
    background: var(--color-bg);
}

.draft-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-dim);
    margin-bottom: var(--space-xs);
}

.draft-input p,
.draft-output p {
    font-size: 0.85rem;
}

.draft-arrow {
    text-align: center;
    padding: var(--space-sm);
    color: var(--color-primary);
    font-size: 1.25rem;
}

.draft-meta {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

.review-issues {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.issue {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.issue-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}

.issue.high .issue-badge { background: var(--color-danger); color: white; }
.issue.medium .issue-badge { background: var(--color-warning); color: black; }
.issue.low .issue-badge { background: var(--color-success); color: white; }

.issue-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Use Cases / Customers
   ========================================================================== */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.use-case {
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.use-case:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

/* Larger Use Case Icons */
.use-case-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-md);
}

.use-case-icon svg {
    width: 56px;
    height: 56px;
    stroke: var(--color-primary);
    stroke-width: 1.5;
    fill: none;
}

.use-case h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.use-case p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.use-case-metric {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(52, 211, 153, 0.1);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-success);
}

/* ==========================================================================
   Security Section - Same as rest of site
   ========================================================================== */
.security {
    background: var(--color-bg-alt);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.security-item {
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.security-item:hover {
    border-color: var(--color-primary);
}

/* Larger Security Icons */
.security-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-primary);
    stroke-width: 1.5;
    fill: none;
}

.security-item h4 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.security-item p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.security-cta {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.security-cta p {
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-xl);
}

.about-text {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-values {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
    flex-wrap: wrap;
}

.about-value {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.value-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-primary);
}

.value-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    max-width: 180px;
    text-align: center;
}

/* ==========================================================================
   CTA / Demo Section
   ========================================================================== */
.cta {
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 120%, rgba(139, 92, 246, 0.2) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

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

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

.demo-form input,
.demo-form select {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
}

.demo-form input::placeholder {
    color: var(--color-text-dim);
}

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

.demo-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a8a8b3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.demo-form select option {
    background: var(--color-bg-card);
}

.demo-form .btn {
    width: 100%;
    margin-top: var(--space-sm);
}

.cta-note {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-bg-alt);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    max-width: 280px;
}

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

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: var(--space-xs) 0;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

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

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr 420px;
        gap: var(--space-xl);
    }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        justify-content: center;
    }
    
    .hero-card {
        max-width: 480px;
    }
    
    .feature-block,
    .feature-block.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .feature-visual {
        order: -1;
    }
    
    .tab-panel.active {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 4rem;
        --space-3xl: 3rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        flex-direction: column;
        gap: var(--space-xl);
    }
}