:root {
    /* Tech Blue Color Palette */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1d4ed8;
    --primary-blue-light: #3b82f6;
    --accent-blue: #0ea5e9;
    --accent-cyan: #06b6d4;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    --gradient-hero: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 50%, var(--accent-blue) 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-blue: 0 10px 15px -3px rgb(37 99 235 / 0.1), 0 4px 6px -4px rgb(37 99 235 / 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --container-padding: 1.5rem;
    --section-padding: 5rem 0;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Animations */
    --animation-fast: 0.15s ease-out;
    --animation-normal: 0.3s ease-out;
    --animation-slow: 0.5s ease-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
}

/* Utility Classes */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* Particles Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-blue);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-10px) translateX(100px);
        opacity: 0;
    }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--animation-normal);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--gray-900);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

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

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color var(--animation-normal);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--animation-normal);
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(37, 99, 235, 0.05) 100%);
    position: relative;
    z-index: 10;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    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(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 9999px;
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

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

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.cta-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--animation-normal);
    text-decoration: none;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-blue);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cta-button.secondary {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.cta-button.secondary:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.button-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--animation-normal);
}

.cta-button:hover .button-icon {
    transform: translateX(2px);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--gray-900);
    border-radius: 2.5rem;
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: var(--gray-700);
    border-radius: 2px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 2rem;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 2rem 1.5rem;
    height: 100%;
    background: linear-gradient(to bottom, var(--gray-50), white);
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.app-menu {
    font-size: 1.5rem;
}

.booking-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

 .booking-card {
    padding: 0.75rem 1rem;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 56px; /* compact UITableView-like row */
    animation: slideInCard 3.5s infinite;
}

/* Blur variant for hero mock‑up cards */
.booking-card.blurred {
    filter: blur(6px);
    cursor: pointer;
    transition: filter 0.3s ease;
}

.booking-card.blurred:hover {
    filter: blur(4px);
}

.booking-card.first {
    animation-delay: 0s;
}

.booking-card.second {
    animation-delay: 0.7s;
}

.booking-card.third {
    animation-delay: 1.4s;
}
.booking-card.fourth { 
    animation-delay: 2.1s; 
}
.booking-card.fifth  { 
    animation-delay: 2.8s; 
}

@keyframes slideInCard {
    0%, 90%, 100% {
        transform: translateX(0);
        opacity: 1;
    }
    95% {
        transform: translateX(-5px);
        opacity: 0.8;
    }
}

.card-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-title {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem; /* ~14px */
    margin-bottom: 0;
}

.card-time {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background: white;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2.5rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    transition: all var(--animation-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--animation-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.feature-icon.healthcare {
    background: rgba(34, 197, 94, 0.1);
    color: #059669;
}

.feature-icon.beauty {
    background: rgba(168, 85, 247, 0.1);
    color: #7c3aed;
}

.feature-icon.pet {
    background: rgba(249, 115, 22, 0.1);
    color: #ea580c;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--primary-blue);
    font-weight: 600;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(37, 99, 235, 0.03) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.about-text {
    max-width: 600px;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.about-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.about-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: all var(--animation-normal);
}

.about-stat:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.stat-desc {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* About Timeline */
.about-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-blue), var(--gray-300));
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.timeline-item.active .timeline-icon {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
}

.timeline-item:not(.active) .timeline-icon {
    background: var(--gray-200);
    color: var(--gray-400);
}

.timeline-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
    transition: all var(--animation-normal);
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    padding-top: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 0.875rem;
}

/* About CTA */
.about-cta {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.about-cta h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.about-cta p {
    color: var(--gray-600);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

/* AI Features Section */
.ai-features {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 9999px;
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-icon {
    font-size: 1rem;
}

.ai-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.ai-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.ai-features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.ai-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ai-feature-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.ai-feature-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.ai-feature-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* AI Animation */
.ai-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-animation {
    position: relative;
    width: 300px;
    height: 300px;
}

.ai-nodes {
    position: relative;
    width: 100%;
    height: 100%;
}

.ai-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-blue);
    border-radius: 50%;
    animation: aiPulse 3s infinite;
    animation-delay: var(--delay);
}

.ai-node:nth-child(1) { top: 20%; left: 20%; }
.ai-node:nth-child(2) { top: 20%; right: 20%; }
.ai-node:nth-child(3) { bottom: 20%; left: 20%; }
.ai-node:nth-child(4) { bottom: 20%; right: 20%; }
.ai-node:nth-child(5) { top: 50%; left: 50%; transform: translate(-50%, -50%); }

@keyframes aiPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.5);
        opacity: 1;
    }
}

.ai-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.connection {
    fill: none;
    stroke: var(--primary-blue);
    stroke-width: 2;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: drawLine 4s infinite;
    opacity: 0.6;
}

@keyframes drawLine {
    0%, 25% {
        stroke-dashoffset: 200;
    }
    50%, 75% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: -200;
    }
}

/* Newsletter Section */
.newsletter {
    padding: var(--section-padding);
    background: var(--gray-900);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.newsletter-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.newsletter-description {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.newsletter-form {
    margin-bottom: 3rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem;
    flex-wrap: wrap;
}

.email-input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: 2px solid var(--gray-700);
    border-radius: var(--radius-lg);
    background: var(--gray-800);
    color: white;
    font-size: 1rem;
    transition: all var(--animation-normal);
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--gray-700);
}

.email-input::placeholder {
    color: var(--gray-400);
}

.submit-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--animation-normal);
    white-space: nowrap;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.submit-icon {
    width: 16px;
    height: 16px;
}

.form-note {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.proof-avatars {
    display: flex;
    margin-right: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid white;
    margin-left: -8px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

.avatar:first-child {
    margin-left: 0;
}

.avatar.more {
    background: var(--gray-700);
}

.proof-text {
    color: var(--gray-300);
    font-size: 0.875rem;
}

.proof-text strong {
    color: white;
}

/* Footer */
.footer {
    padding: 3rem 0 2rem;
    background: var(--gray-900);
    color: white;
    border-top: 1px solid var(--gray-800);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-description {
    color: var(--gray-400);
    margin-top: 1rem;
    line-height: 1.6;
}

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

.link-group h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.link-group a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color var(--animation-normal);
}

.link-group a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--animation-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: all var(--animation-normal);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--animation-normal);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-content {
    padding: 2rem;
}

.modal-content p {
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-form input,
.modal-form select {
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--animation-normal);
}

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

.modal-submit {
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--animation-normal);
}

.modal-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .about-stats {
        max-width: 400px;
        margin: 2rem auto 0;
    }
    
    .ai-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
        max-width: 300px;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-title {
        font-size: 2rem;
    }
    
    .about-stats {
        max-width: none;
    }
    
    .about-timeline::before {
        left: 16px;
    }
    
    .timeline-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .ai-title {
        font-size: 2rem;
    }
    
    .newsletter-title {
        font-size: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .email-input {
        min-width: auto;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .social-proof {
        flex-direction: column;
        gap: 1rem;
    }
    
    .proof-avatars {
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .about-title {
        font-size: 1.75rem;
    }
    
    .about-stats {
        gap: 1rem;
    }
    
    .about-stat {
        padding: 1rem;
    }
    
    .about-timeline {
        gap: 1.5rem;
    }
    
    .about-cta {
        padding: 2rem 1.5rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .modal {
        margin: 1rem;
        width: calc(100% - 2rem);
    }
    
    .modal-header,
    .modal-content {
        padding: 1.5rem;
    }
}