/* ============================================
   Agenticona AI Landing Page Styles
   SEO-Optimized, Performance-Focused, Responsive
   ============================================ */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
    --accent-gradient-subtle: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(6, 182, 212, 0.15);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
    line-height: 1;
}

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

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

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

.nav-link:hover,
.nav-link:focus {
    color: var(--text-primary);
}

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

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

.nav-cta {
    background: var(--accent-gradient-subtle);
    border: 1px solid var(--border-hover);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.nav-cta:hover,
.nav-cta:focus {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.nav-cta::after {
    display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    transition: all var(--transition-fast);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-cyan);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    bottom: -150px;
    left: -100px;
    animation-delay: -4s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-gradient-subtle);
    border: 1px solid var(--border-hover);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 2rem;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    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 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.5;
}

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

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 24px rgba(6, 182, 212, 0.3), 0 0 60px rgba(139, 92, 246, 0.2);
}

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

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

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

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ============================================
   SOCIAL PROOF
   ============================================ */
.social-proof {
    padding: 60px 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.social-proof-label {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.logo-item {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.logo-item:hover {
    opacity: 1;
    color: var(--text-secondary);
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   FEATURES
   ============================================ */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient-subtle);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
    margin-bottom: 1.25rem;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 2rem;
    left: 16.66%;
    right: 16.66%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
    z-index: 0;
}

.step-card {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 1rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--bg-primary);
    border: 2px solid var(--border-hover);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    position: relative;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.step-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   USE CASES
   ============================================ */
.use-cases {
    padding: 100px 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

.use-case-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.use-case-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.use-case-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.use-case-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.use-case-benefits li {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    padding: 0.375rem 0.75rem;
    border-radius: 100px;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.author-name {
    font-style: normal;
    font-weight: 600;
    font-size: 0.9375rem;
}

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

/* ============================================
   FAQ
   ============================================ */
.faq {
    padding: 100px 0;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all var(--transition-fast);
}

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

.faq-item[open] {
    border-color: var(--border-hover);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--accent-cyan);
    transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* ============================================
   NEWSLETTER / LEAD CAPTURE
   ============================================ */
.newsletter {
    padding: 100px 0;
}

.newsletter-card {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    padding: 4rem 3rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter-card::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 320px;
    height: 320px;
    background: var(--accent-purple);
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
}

.newsletter-card::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -120px;
    width: 320px;
    height: 320px;
    background: var(--accent-cyan);
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
}

.newsletter-content {
    position: relative;
    z-index: 1;
}

.newsletter-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.newsletter-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 2rem;
}

.newsletter-desc strong {
    color: var(--text-primary);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.newsletter-fields {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    padding: 1rem 1.25rem;
    font-family: var(--font-family);
    font-size: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.newsletter-input::placeholder {
    color: var(--text-muted);
}

.newsletter-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.newsletter-input-name {
    max-width: 180px;
}

.newsletter-submit {
    align-self: center;
}

.newsletter-trust {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.trust-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.trust-item svg {
    color: var(--accent-cyan);
    flex-shrink: 0;
}

/* ============================================
   EXIT-INTENT MODAL
   ============================================ */
.exit-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.exit-modal.active {
    opacity: 1;
    pointer-events: all;
}

.exit-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.exit-modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem 2.5rem;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.96);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.exit-modal.active .exit-modal-content {
    transform: translateY(0) scale(1);
}

.exit-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.exit-modal-close:hover,
.exit-modal-close:focus {
    color: var(--text-primary);
    background: var(--bg-card);
}

.exit-modal-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient-subtle);
    border: 1px solid var(--border-hover);
    border-radius: 50%;
    color: var(--accent-cyan);
    margin: 0 auto 1.25rem;
}

.exit-modal-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.exit-modal-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.exit-modal-text strong {
    color: var(--text-primary);
}

.exit-modal-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.exit-modal-input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-family);
    font-size: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.exit-modal-input::placeholder {
    color: var(--text-muted);
}

.exit-modal-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.exit-modal-submit {
    width: 100%;
}

.exit-modal-no {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0.5rem;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.exit-modal-no:hover,
.exit-modal-no:focus {
    color: var(--text-secondary);
}

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

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.cta-card {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    padding: 4rem 2rem;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: var(--accent-cyan);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.1;
}

.cta-card::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: var(--accent-purple);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.1;
}

.cta-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.cta-form {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-input {
    flex: 1;
    min-width: 280px;
    max-width: 360px;
    padding: 1rem 1.25rem;
    font-family: var(--font-family);
    font-size: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.cta-input::placeholder {
    color: var(--text-muted);
}

.cta-input:focus {
    border-color: var(--accent-cyan);
}

.cta-disclaimer {
    font-size: 0.8125rem;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-subtle);
}

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

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    margin-bottom: 1rem;
    display: inline-flex;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.footer-nav-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-nav-list a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover,
.footer-nav-list a:focus {
    color: var(--accent-cyan);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-social a:hover,
.footer-social a:focus {
    color: var(--accent-cyan);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .steps-grid::before {
        display: none;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        border-top: 1px solid var(--border-subtle);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero-stats {
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-fields {
        flex-direction: column;
        align-items: stretch;
    }

    .newsletter-input,
    .newsletter-input-name {
        min-width: 100%;
        max-width: 100%;
    }

    .newsletter-card {
        padding: 2.5rem 1.5rem;
    }

    .exit-modal-content {
        padding: 2.5rem 1.5rem 2rem;
    }

    .cta-form {
        flex-direction: column;
        align-items: center;
    }

    .cta-input {
        min-width: 100%;
        max-width: 100%;
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Selection styling */
::selection {
    background: rgba(6, 182, 212, 0.3);
    color: var(--text-primary);
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}