/* ==========================================================================
   NovaAI Landing Page - Modern Responsive Design System
   ========================================================================== */

/* CSS Custom Properties (Theme Colors & Variables) */
:root {
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Dark Theme (Default) */
    --bg-main: #0B0F19;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-glow: rgba(99, 102, 241, 0.4);
    
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --primary: #6366F1;
    --primary-hover: #4F46E5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    --accent-purple: #8B5CF6;
    --accent-pink: #EC4899;
    --accent-cyan: #06B6D4;
    --accent-green: #10B981;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.25);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-main: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(241, 245, 249, 1);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-glow: rgba(99, 102, 241, 0.5);
    
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Utility Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 0.95rem 2rem;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(248, 250, 252, 0.85);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-icon {
    display: flex;
    align-items: center;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

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

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
}

.sun-icon { display: none; }
.moon-icon { display: block; }

[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding: 6rem 0 4rem;
    text-align: center;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(139, 92, 246, 0.15) 40%, rgba(0, 0, 0, 0) 70%);
    filter: blur(60px);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color-glow);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    max-width: 900px;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin-bottom: 2.5rem;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Metrics Bar */
.trust-metrics {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 4rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.metric-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

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

.metric-divider {
    width: 1px;
    height: 35px;
    background: var(--border-color);
}

/* App Preview Mockup Window */
.hero-mockup {
    width: 100%;
    max-width: 1000px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow: hidden;
    text-align: left;
}

.mockup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
}

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

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

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

.mockup-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--accent-green);
    font-weight: 600;
}

.pulse-green {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
}

.mockup-body {
    display: flex;
    min-height: 360px;
}

.mockup-sidebar {
    width: 180px;
    background: rgba(0, 0, 0, 0.15);
    border-right: 1px solid var(--border-color);
    padding: 1rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.sidebar-item {
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.sidebar-item.active, .sidebar-item:hover {
    background: var(--primary);
    color: #FFFFFF;
}

.mockup-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mockup-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.dash-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

.dash-card h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.card-stat {
    font-size: 1.35rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.trend.positive {
    font-size: 0.75rem;
    color: var(--accent-green);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin-top: 0.75rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
}

.progress-fill.alt {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
}

.agent-avatars {
    display: flex;
    gap: 4px;
    margin-top: 0.5rem;
}

.agent-chip {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary);
    border-radius: 4px;
}

.dash-chart-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    flex: 1;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.badge-sm {
    font-size: 0.7rem;
    padding: 2px 8px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border-radius: 12px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 100px;
    padding-top: 10px;
}

.bar {
    flex: 1;
    height: var(--h);
    background: linear-gradient(180deg, var(--primary) 0%, rgba(99, 102, 241, 0.2) 100%);
    border-radius: 4px 4px 0 0;
    transition: var(--transition);
}

.bar:hover {
    background: var(--accent-pink);
}

/* ==========================================================================
   Social Proof Section
   ========================================================================== */
.social-proof {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.social-proof-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.brand-logo {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    opacity: 0.6;
    transition: var(--transition);
}

.brand-logo:hover {
    opacity: 1;
    color: var(--text-primary);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features {
    padding: 7rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.sub-badge {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-color-glow);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

.icon-purple { background: rgba(99, 102, 241, 0.15); color: #6366F1; }
.icon-cyan { background: rgba(6, 182, 212, 0.15); color: #06B6D4; }
.icon-pink { background: rgba(236, 72, 153, 0.15); color: #EC4899; }
.icon-green { background: rgba(16, 185, 129, 0.15); color: #10B981; }
.icon-orange { background: rgba(249, 115, 22, 0.15); color: #F97316; }
.icon-indigo { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   Product Demo Section
   ========================================================================== */
.demo-section {
    padding: 5rem 0;
    background: rgba(17, 24, 39, 0.3);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.demo-tabs-wrapper {
    max-width: 950px;
    margin: 0 auto;
}

.demo-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.demo-tab {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    transition: var(--transition);
}

.demo-tab.active, .demo-tab:hover {
    color: #FFFFFF;
    background: var(--primary);
    border-color: var(--primary);
}

.demo-tab-content {
    display: none;
}

.demo-tab-content.active {
    display: block;
}

.demo-card {
    background: #0D1117;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.demo-code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1.25rem;
    background: #161B22;
    border-bottom: 1px solid #30363D;
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-dot.red { background: #FF5F56; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green { background: #27C93F; }

.code-file {
    margin-left: 0.5rem;
    font-family: monospace;
    font-size: 0.85rem;
    color: #8B949E;
}

.code-block {
    padding: 1.5rem;
    font-family: 'Fira Code', Consolas, Monaco, monospace;
    font-size: 0.9rem;
    color: #C9D1D9;
    line-height: 1.7;
    overflow-x: auto;
}

.code-kw { color: #FF7B72; }
.code-str { color: #A5D6FF; }
.code-num { color: #79C0FF; }
.code-cmt { color: #8B949E; font-style: italic; }

.demo-text-preview {
    padding: 2rem;
    color: var(--text-primary);
}

.ai-response-box {
    margin-top: 1rem;
    padding: 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary-glow);
    border-radius: var(--radius-sm);
}

.ai-response-box p {
    margin-bottom: 1rem;
}

/* Builder Visual Diagram */
.builder-visual {
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.node {
    padding: 1rem 2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.node-start { border-color: var(--primary); color: var(--primary); }
.node-process { border-color: var(--accent-purple); color: var(--accent-purple); }
.node-arrow { font-size: 1.25rem; color: var(--text-muted); }

.node-branches {
    display: flex;
    gap: 3rem;
    margin-top: 0.5rem;
}

.branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.branch-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.node-end.green { border-color: var(--accent-green); color: var(--accent-green); }
.node-end.red { border-color: var(--accent-pink); color: var(--accent-pink); }

/* ==========================================================================
   Pricing Section
   ========================================================================== */
.pricing {
    padding: 7rem 0;
}

.pricing-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.toggle-label {
    font-weight: 600;
    font-size: 0.95rem;
}

.discount-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: rgba(236, 72, 153, 0.15);
    color: var(--accent-pink);
    border-radius: 12px;
    margin-left: 4px;
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 30px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 3px;
    transition: var(--transition);
}

.toggle-slider {
    display: block;
    width: 22px;
    height: 22px;
    background: var(--primary);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(26px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, var(--bg-card) 100%);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.plan-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 2rem;
}

.plan-price .currency {
    font-size: 1.5rem;
    font-weight: 700;
}

.plan-price .price-val {
    font-size: 3rem;
    font-weight: 800;
}

.plan-price .billing-period {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.plan-features li.disabled {
    color: var(--text-muted);
    opacity: 0.6;
}

.check { color: var(--accent-green); font-weight: bold; }
.cross { color: var(--text-muted); }

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials {
    padding: 6rem 0;
    background: rgba(17, 24, 39, 0.2);
    border-top: 1px solid var(--border-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stars {
    color: #F59E0B;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.quote {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-style: italic;
}

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

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #FFFFFF;
}

.av-1 { background: linear-gradient(135deg, #6366F1, #8B5CF6); }
.av-2 { background: linear-gradient(135deg, #06B6D4, #10B981); }
.av-3 { background: linear-gradient(135deg, #EC4899, #F97316); }

.author-name {
    font-weight: 700;
    font-size: 0.95rem;
}

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

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq {
    padding: 7rem 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
    position: relative;
    padding: 6rem 0;
    text-align: center;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
}

.cta-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, rgba(236, 72, 153, 0.1) 50%, rgba(0, 0, 0, 0) 70%);
    filter: blur(80px);
    pointer-events: none;
}

.cta-container {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #07090E;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

[data-theme="light"] .footer {
    background: #F1F5F9;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr) 2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand .footer-desc {
    margin: 1rem 0 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
}

.social-links a:hover {
    color: var(--primary);
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

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

.hiring-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
    border-radius: 4px;
    margin-left: 4px;
}

.newsletter-col p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.newsletter-form input {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    outline: none;
}

.newsletter-form input:focus {
    border-color: var(--primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    .mockup-body { flex-direction: column; }
    .mockup-sidebar { width: 100%; flex-direction: row; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border-color); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: transform 0.4s ease;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-toggle {
        display: flex;
    }

    .nav-btn { display: none; }
    
    .trust-metrics {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .metric-divider {
        width: 60px;
        height: 1px;
    }

    .hero-title { font-size: 2.25rem; }
    .section-title { font-size: 1.85rem; }
    .cta-title { font-size: 2rem; }
    .footer-container { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}