:root {
    /* Colors */
    --color-primary: #3b82f6;
    --color-primary-dark: #1e40af;
    --color-secondary: #0ea5e9;
    --color-accent: #06b6d4;
    --color-background: #0f172a;
    --color-surface: #1e293b;
    --color-text: #f1f5f9;
    --color-text-muted: #cbd5e1;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #0ea5e9 100%);
    --gradient-card: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.15;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.3) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-primary-nav {
    background: var(--gradient-primary);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
}

.btn-primary-nav:hover::after {
    display: none;
}

/* Sections */
section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Features Grid */
.features-grid {
    background: rgba(30, 41, 59, 0.5);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    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);
    transform-origin: left;
    transition: var(--transition-base);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: white;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.feature-card ul {
    list-style: none;
    color: var(--color-text-muted);
}

.feature-card li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.feature-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* Detailed Features */
.detailed-features {
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0) 100%);
}

.feature-detailed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl);
    border-radius: 24px;
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.feature-detailed:hover {
    background: rgba(30, 41, 59, 0.5);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-detailed.reverse {
    grid-template-columns: 1fr 1fr;
}

.feature-detailed.reverse .feature-detailed-content {
    order: 2;
}

.feature-detailed.reverse .feature-detailed-image {
    order: 1;
}

.feature-detailed h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.feature-detailed-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.feature-detailed-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.feature-detailed-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    transition: var(--transition-slow);
}

.feature-detailed:hover .feature-detailed-image img {
    transform: scale(1.05);
}

.highlight-section {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
    border: 2px solid rgba(59, 130, 246, 0.3);
}

/* Use Cases */
.use-cases {
    background: var(--color-surface);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.use-case-card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
}

.use-case-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.use-case-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: grayscale(0.3);
}

.use-case-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.use-case-card p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

/* FAQ */
.faq {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(30, 41, 59, 0.5) 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--color-primary);
}

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

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: white;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo p {
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

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

.footer-column a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-base);
    display: block;
    padding: var(--spacing-xs) 0;
}

.footer-column a:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 1024px) {

    .feature-detailed,
    .feature-detailed.reverse {
        grid-template-columns: 1fr;
    }

    .feature-detailed.reverse .feature-detailed-content,
    .feature-detailed.reverse .feature-detailed-image {
        order: initial;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        transform: translateX(-100%);
        transition: var(--transition-base);
        border-bottom: 1px solid var(--color-border);
    }

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

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

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }

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

    .hero-cta {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 3rem;
    }

    .cta-buttons {
        flex-direction: column;
    }
}