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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glass Container Base */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

/* Navigation */
nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    padding: 12px 24px;
    max-width: 1200px;
    width: calc(100% - 40px);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.cta-button {
    padding: 12px 28px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 24px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    display: inline-block;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.button-secondary {
    padding: 12px 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    text-decoration: none;
    display: inline-block;
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Floating Elements */
.floating-element {
    position: absolute;
    border-radius: 24px;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.floating-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-gradient);
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.floating-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary-gradient);
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.floating-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    top: 50%;
    right: 5%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -20px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(20px, 20px) rotate(5deg); }
}

/* Section Base */
section {
    padding: 100px 20px;
    position: relative;
}

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

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.feature-card {
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.12);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-gradient);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 32px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* How It Works */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 64px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-md);
}

.step h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-secondary);
}

/* Use Cases */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 64px;
}

.use-case {
    padding: 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.use-case:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.use-case h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.use-case p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.pricing-card {
    padding: 48px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card.featured {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.plan-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.plan-price {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
}

.plan-price span {
    font-size: 20px;
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    margin: 32px 0;
    text-align: left;
}

.plan-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.plan-features li:last-child {
    border-bottom: none;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 120px 20px;
}

.cta-content {
    padding: 80px 40px;
    max-width: 900px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 24px;
}

.cta-content p {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Footer */
footer {
    padding: 60px 20px 40px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 14px;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 12px 20px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        margin-top: 12px;
        border-radius: 24px;
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }

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

    .hero {
        padding: 100px 20px 60px;
    }

    section {
        padding: 60px 20px;
    }

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

    .steps-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .cta-content {
        padding: 60px 24px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}