/* Base Styles */
:root {
    --primary-color: #3A86FF;
    --secondary-color: #8B5CF6;
    --accent-color: #10B981;
    --dark-color: #111827;
    --darker-color: #0A0F1C;
    --light-color: #F3F4F6;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --card-bg: #1E293B;
    --card-bg-hover: #2D3748;
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --container-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--gray-300);
    line-height: 1.6;
    background-color: var(--dark-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--light-color);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
    color: var(--light-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-400);
    margin-top: -2rem;
    margin-bottom: 3rem;
}

section {
    padding: 5rem 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-cta {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(17, 24, 39, 0.95);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-list a {
    color: var(--gray-300);
    font-weight: 500;
    position: relative;
}

.nav-list a:hover {
    color: var(--primary-color);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-list a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--gray-300);
    margin: 5px 0;
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 10rem 0 5rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.9) 0%, rgba(31, 41, 55, 0.95) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1620641788421-7a1c342ea42e?q=80&w=2874&auto=format&fit=crop') no-repeat center center;
    background-size: cover;
    opacity: 0.2;
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero h1 {
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--gray-300);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero .value-prop {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--gray-400);
}

.countdown-container {
    margin-bottom: 2rem;
}

.countdown-container p {
    font-weight: 600;
    color: var(--gray-300);
    margin-bottom: 0.5rem;
}

.countdown {
    display: flex;
    gap: 1rem;
}

.countdown-item {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    min-width: 80px;
    text-align: center;
    border: 1px solid var(--gray-700);
}

.countdown-item span:first-child {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.countdown-item span:last-child {
    font-size: 0.9rem;
    color: var(--gray-400);
    text-transform: uppercase;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-15deg);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0);
}

/* USP Section */
.usp {
    background-color: var(--darker-color);
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.usp-card {
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background-color: var(--card-bg);
    border: 1px solid var(--gray-700);
    text-align: center;
}

.usp-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    background-color: var(--card-bg-hover);
}

.usp-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.usp-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Services Section */
.services {
    background-color: var(--dark-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--gray-700);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background-color: var(--card-bg-hover);
    border-color: var(--primary-color);
}

.service-card.special {
    background: linear-gradient(135deg, rgba(58, 134, 255, 0.1) 0%, rgba(139, 92, 246, 0.15) 100%);
    border: 1px solid var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.service-card.special::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.3), transparent 70%);
    z-index: 0;
}

.service-card.special .service-icon,
.service-card.special h3,
.service-card.special p {
    position: relative;
    z-index: 1;
}

.service-card.special .service-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
}

.service-card.special:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.2);
    border-color: var(--secondary-color);
}

.service-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    background-color: var(--gray-800);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 1px solid var(--gray-700);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* How It Works Section */
.how-it-works {
    background-color: var(--darker-color);
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 100px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    z-index: 0;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-icon {
    background-color: var(--card-bg);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-700);
}

/* Competitive Advantage Section */
.competitive {
    background-color: var(--dark-color);
}

.comparison-table {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-700);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.comparison-feature {
    text-align: left;
    padding-left: 1rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-700);
    align-items: center;
    text-align: center;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:nth-child(odd) {
    background-color: var(--card-bg-hover);
}

.comparison-row .comparison-feature {
    text-align: left;
    font-weight: 500;
}

.comparison-row .fa-check {
    color: #10B981;
    font-size: 1.2rem;
}

.comparison-row .fa-xmark {
    color: #EF4444;
    font-size: 1.2rem;
}

.comparison-row .fa-minus {
    color: var(--gray-500);
    font-size: 1.2rem;
}

/* Pricing Section */
.pricing {
    background-color: var(--darker-color);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    gap: 1rem;
}

.toggle-label {
    font-weight: 500;
    color: var(--gray-400);
    transition: var(--transition);
}

.toggle-label.active {
    color: var(--light-color);
}

.save-badge {
    background-color: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    margin-left: 0.5rem;
    font-weight: 600;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-700);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.text-center {
    text-align: center;
}

.price.yearly {
    display: none;
}

body.yearly-pricing .price.monthly {
    display: none;
}

body.yearly-pricing .price.yearly {
    display: block;
}

.pricing-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-700);
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    z-index: 1;
}

.pricing-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom-left-radius: var(--border-radius-sm);
}

.pricing-header {
    background-color: var(--card-bg-hover);
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-700);
}

.pricing-header h3 {
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    color: var(--gray-400);
    font-weight: 400;
}

.pricing-features {
    padding: 2rem;
}

.pricing-features ul {
    margin-bottom: 2rem;
}

.pricing-features li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

.pricing-card .btn {
    display: block;
    margin: 0 2rem 2rem;
}

.early-bird-offer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.offer-badge {
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom-right-radius: var(--border-radius-sm);
}

.early-bird-offer h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.big-discount {
    display: inline-block;
    background-color: #FF3B30;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 1.5rem;
    margin-left: 0.5rem;
    transform: rotate(-5deg);
    font-weight: 800;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* Early Access Section */
.early-access {
    background-color: var(--dark-color);
    position: relative;
}

.early-access::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1620641788421-7a1c342ea42e?q=80&w=2874&auto=format&fit=crop') no-repeat center center;
    background-size: cover;
    opacity: 0.05;
    z-index: 0;
}

.early-access .container {
    position: relative;
    z-index: 1;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-300);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-600);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-secondary);
    font-size: 1rem;
    background-color: var(--gray-800);
    color: var(--gray-300);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox input {
    width: auto;
    margin-right: 0.5rem;
}

.privacy-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--gray-400);
    text-align: center;
}

/* Powered By Section */
.powered-by {
    background-color: var(--dark-color);
    padding: 5rem 0;
}

.powered-by-title {
    text-align: center;
    margin-bottom: 3rem;
}

.powered-by-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--gray-400);
}

/* New AI Engines Carousel */
#ai-engines-carousel {
    position: relative;
    max-width: 1200px;
    margin: 0 auto 3rem;
    padding: 0 40px;
}

.ai-carousel-viewport {
    overflow: hidden;
    border-radius: var(--border-radius-md);
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--gray-700);
    box-shadow: var(--shadow-md);
}

.ai-carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.ai-carousel-slide {
    min-width: 100%;
    flex: 0 0 100%;
    padding: 2rem;
}

.ai-category-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.ai-category-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.ai-engines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    justify-content: center;
}

.ai-engine-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid var(--gray-700);
    transition: var(--transition);
    height: 100%;
}

.ai-engine-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.ai-engine-card img {
    height: 40px;
    margin-bottom: 1rem;
    filter: grayscale(30%);
    transition: var(--transition);
}

.ai-engine-card:hover img {
    filter: grayscale(0%);
}

.ai-engine-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    color: #FFD700;
    font-size: 0.9rem;
}

.ai-engine-name {
    font-weight: 600;
    margin: 0.5rem 0;
    font-size: 1rem;
    color: var(--light-color);
}

.ai-engine-desc {
    font-size: 0.85rem;
    color: var(--gray-400);
    line-height: 1.4;
    margin: 0;
}

/* Carousel Navigation */
.ai-carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index:
