/* ============================================
   UniKit — Premium SaaS Landing Page
   Design System: Copper & Slate
   ============================================ */

/* CSS Variables */
:root {
    /* Copper & Slate Palette */
    --color-copper: #B87333;
    --color-copper-light: #D4A574;
    --color-copper-dark: #8B5A2B;
    --color-slate: #2F3640;
    --color-slate-light: #4A5568;
    --color-slate-dark: #1A1D23;
    --color-cream: #F5F0EB;
    --color-cream-dark: #E8E0D5;
    
    /* Semantic Colors */
    --color-primary: var(--color-copper);
    --color-primary-hover: var(--color-copper-dark);
    --color-secondary: var(--color-slate);
    --color-background: var(--color-cream);
    --color-surface: #FFFFFF;
    --color-text: var(--color-slate);
    --color-text-muted: var(--color-slate-light);
    --color-text-light: var(--color-cream);
    
    /* Typography */
    --font-display: 'Gambetta', Georgia, serif;
    --font-body: 'Synonym', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(47, 54, 64, 0.06);
    --shadow-md: 0 8px 24px rgba(47, 54, 64, 0.08);
    --shadow-lg: 0 16px 48px rgba(47, 54, 64, 0.12);
    --shadow-xl: 0 24px 64px rgba(47, 54, 64, 0.16);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Reset & Base */
*, *::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-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

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

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(245, 240, 235, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-slate);
}

.logo-icon {
    color: var(--color-copper);
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-slate);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-copper);
    transition: width var(--transition-base);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link--secondary {
    font-weight: 500;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn--sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

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

.btn--primary {
    background: var(--color-copper);
    color: white;
    box-shadow: 0 4px 14px rgba(184, 115, 51, 0.3);
}

.btn--primary:hover {
    background: var(--color-copper-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 115, 51, 0.4);
}

.btn--secondary {
    background: transparent;
    color: var(--color-slate);
    border: 1.5px solid var(--color-slate-light);
}

.btn--secondary:hover {
    background: var(--color-slate);
    color: white;
    border-color: var(--color-slate);
}

.btn--full {
    width: 100%;
}

.btn-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--space-3xl) + 80px) 0 var(--space-3xl);
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(184, 115, 51, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(212, 165, 116, 0.06) 0%, transparent 50%);
}

.hero-noise {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(184, 115, 51, 0.1);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-copper);
    margin-bottom: var(--space-md);
    border: 1px solid rgba(184, 115, 51, 0.2);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-copper);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: var(--color-slate);
}

.hero-title-accent {
    display: block;
    color: var(--color-copper);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

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

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

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-slate);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-copper);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Hero Demo Card */
.hero-demo {
    perspective: 1000px;
}

.demo-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--color-cream-dark);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
}

.demo-card:hover {
    transform: rotateY(0) rotateX(0);
}

.demo-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(to right, var(--color-slate), var(--color-slate-light));
    color: white;
}

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

.demo-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
}

.demo-dots span:first-child { background: #FF5F56; }
.demo-dots span:nth-child(2) { background: #FFBD2E; }
.demo-dots span:last-child { background: #27C93F; }

.demo-title {
    font-size: 0.8125rem;
    font-weight: 600;
    opacity: 0.9;
}

.demo-content {
    padding: 1.5rem;
}

.demo-input {
    background: var(--color-cream);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.demo-prompt {
    font-size: 0.875rem;
    color: var(--color-slate);
    font-style: italic;
}

.demo-response {
    animation: fadeIn 0.5s ease 0.3s both;
}

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

.demo-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    margin-bottom: 0.75rem;
}

.demo-line--success {
    color: #27C93F;
    font-weight: 600;
}

.demo-check {
    width: 18px;
    height: 18px;
    background: #27C93F;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
}

.demo-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.demo-tool {
    padding: 0.375rem 0.75rem;
    background: rgba(184, 115, 51, 0.1);
    color: var(--color-copper);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.demo-metrics {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-cream-dark);
}

.demo-metric {
    display: flex;
    flex-direction: column;
}

.demo-metric-label {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.demo-metric-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-slate);
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-xl);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-copper);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-sm);
    color: var(--color-slate);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--space-3xl) 0;
}

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

.feature-card {
    background: var(--color-surface);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-cream-dark);
    transition: all var(--transition-base);
}

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

.feature-card--large {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--color-copper);
    margin-bottom: var(--space-md);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
    color: var(--color-slate);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.feature-tag {
    padding: 0.375rem 0.875rem;
    background: var(--color-cream);
    color: var(--color-slate-light);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ============================================
   AI Engine Section
   ============================================ */
.ai-engine {
    padding: var(--space-3xl) 0;
    background: linear-gradient(to bottom, transparent, rgba(184, 115, 51, 0.03));
}

.ai-engine-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.ai-engine-content {
    max-width: 520px;
}

.ai-features {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.ai-feature {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-cream-dark);
    transition: all var(--transition-base);
}

.ai-feature:hover {
    border-color: var(--color-copper-light);
    box-shadow: var(--shadow-md);
}

.ai-feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-copper);
    color: white;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    flex-shrink: 0;
}

.ai-feature-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-slate);
}

.ai-feature-text p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Dashboard */
.ai-dashboard {
    perspective: 1000px;
}

.dashboard-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-cream-dark);
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--color-slate);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.dashboard-badge {
    padding: 0.25rem 0.75rem;
    background: #27C93F;
    border-radius: 100px;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dashboard-body {
    padding: 1.5rem;
}

.dashboard-metric {
    margin-bottom: 1.5rem;
}

.dashboard-metric--large {
    text-align: center;
    padding: 1.5rem;
    background: var(--color-cream);
    border-radius: var(--radius-md);
}

.dashboard-metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.dashboard-metric-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-slate);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.dashboard-metric-value--small {
    font-size: 1rem;
    font-weight: 500;
}

.metric-percent {
    font-size: 1.5rem;
    color: var(--color-copper);
}

.progress-bar {
    height: 6px;
    background: var(--color-cream-dark);
    border-radius: 100px;
    margin-top: 0.75rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-copper), var(--color-copper-light));
    border-radius: 100px;
    transition: width 1s ease;
}

.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dashboard-suggestion {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(184, 115, 51, 0.08);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-copper);
}

.suggestion-icon {
    font-size: 1.25rem;
}

.dashboard-suggestion p {
    font-size: 0.8125rem;
    color: var(--color-slate);
    line-height: 1.5;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--color-surface);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    min-width: 100%;
    padding: 0 var(--space-md);
}

.testimonial-content {
    position: relative;
    background: var(--color-cream);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.testimonial-quote {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-copper);
    opacity: 0.3;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-slate);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0 var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--color-copper);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-slate);
}

.author-role {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.testimonial-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1.5px solid var(--color-cream-dark);
    background: var(--color-surface);
    color: var(--color-slate);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.testimonial-btn:hover {
    border-color: var(--color-copper);
    color: var(--color-copper);
    transform: scale(1.05);
}

.testimonial-btn svg {
    width: 20px;
    height: 20px;
}

.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--space-md);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-cream-dark);
    cursor: pointer;
    transition: all var(--transition-base);
}

.dot.active {
    background: var(--color-copper);
    width: 24px;
    border-radius: 100px;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--space-3xl) 0;
}

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

.pricing-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--color-cream-dark);
    position: relative;
    transition: all var(--transition-base);
}

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

.pricing-card--featured {
    border-color: var(--color-copper);
    box-shadow: 0 0 0 1px var(--color-copper), var(--shadow-lg);
    transform: scale(1.02);
}

.pricing-card--featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--color-copper);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
}

.pricing-header {
    margin-bottom: var(--space-md);
}

.pricing-name {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--color-slate);
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.pricing-price {
    margin-bottom: var(--space-md);
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.price-currency {
    font-size: 1.5rem;
    color: var(--color-slate);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 600;
    color: var(--color-slate);
    line-height: 1;
}

.price-period {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

.pricing-features li {
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--color-copper);
    font-weight: 600;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: var(--space-3xl) 0;
    background: var(--color-slate);
    color: var(--color-cream);
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-sm);
    color: var(--color-cream);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--color-cream-dark);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn--secondary {
    border-color: var(--color-cream-dark);
    color: var(--color-cream);
}

.cta .btn--secondary:hover {
    background: var(--color-cream);
    color: var(--color-slate);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background: var(--color-slate-dark);
    color: var(--color-cream-dark);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-cream);
    margin-bottom: var(--space-sm);
}

.footer-logo .logo-icon {
    color: var(--color-copper);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-cream-dark);
    opacity: 0.8;
    margin-bottom: var(--space-md);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-copper);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

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

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

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

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    font-size: 0.875rem;
    color: var(--color-cream-dark);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--color-copper-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-credit {
    font-size: 0.8125rem;
    color: var(--color-cream-dark);
    opacity: 0.6;
}

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

.footer-legal a {
    font-size: 0.8125rem;
    color: var(--color-cream-dark);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.footer-legal a:hover {
    opacity: 1;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-demo {
        display: none;
    }
    
    .ai-engine-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card--large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card--large {
        grid-column: span 1;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card--featured {
        transform: none;
    }
    
    .pricing-card--featured:hover {
        transform: translateY(-4px);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* ============================================
   Animations & Effects
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .pricing-card,
    .ai-feature {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }
    
    .feature-card:nth-child(1) { animation-delay: 0.1s; }
    .feature-card:nth-child(2) { animation-delay: 0.2s; }
    .feature-card:nth-child(3) { animation-delay: 0.3s; }
    .feature-card:nth-child(4) { animation-delay: 0.4s; }
    .feature-card:nth-child(5) { animation-delay: 0.5s; }
    
    .pricing-card:nth-child(1) { animation-delay: 0.1s; }
    .pricing-card:nth-child(2) { animation-delay: 0.2s; }
    .pricing-card:nth-child(3) { animation-delay: 0.3s; }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth scroll for anchor links */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: var(--color-copper);
    color: white;
}