:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-card: rgba(255, 255, 255, 0.95);
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    position: relative;
    z-index: 1;
}

/* Navigation */
.nav {
    padding: 1.5rem 2rem;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-brand .logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

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

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 2rem;
    min-height: 80vh;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    space-y: 2rem;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.badge-text {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: white;
    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: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.feature-icon {
    font-size: 1.25rem;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

/* Email Capture */
.email-capture {
    margin-top: 2.5rem;
}

.form-group {
    display: flex;
    gap: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 0.5rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 1rem;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    font-size: 1rem;
    outline: none;
    border-radius: 12px;
}

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

.submit-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

.btn-icon {
    transition: transform 0.3s ease;
}

.submit-btn:hover .btn-icon {
    transform: translateX(4px);
}

.form-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    text-align: center;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-cards {
    position: relative;
    width: 300px;
    height: 400px;
}

.profile-card {
    position: absolute;
    width: 280px;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.card-1 {
    top: 0;
    left: 0;
    z-index: 3;
    animation: float1 6s ease-in-out infinite;
}

.card-2 {
    top: 60px;
    left: 20px;
    z-index: 2;
    animation: float2 6s ease-in-out infinite 2s;
}

.card-3 {
    top: 120px;
    left: 40px;
    z-index: 1;
    animation: float3 6s ease-in-out infinite 4s;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.card-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card-skills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.skill {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Use Cases Section */
.use-cases {
    padding: 5rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    margin: 2rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    color: white;
    margin-bottom: 3rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.use-case {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.use-case:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.use-case h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.use-case p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    width: 100px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-card-1 {
    top: 20%;
    left: 10%;
    animation: drift1 20s ease-in-out infinite;
}

.floating-card-2 {
    top: 60%;
    right: 10%;
    animation: drift2 25s ease-in-out infinite;
}

.floating-card-3 {
    top: 80%;
    left: 20%;
    animation: drift3 30s ease-in-out infinite;
}

/* Animations */
@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

@keyframes drift1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(50px, -30px) rotate(90deg); }
    50% { transform: translate(-30px, -60px) rotate(180deg); }
    75% { transform: translate(-60px, -20px) rotate(270deg); }
}

@keyframes drift2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-40px, 40px) rotate(120deg); }
    66% { transform: translate(30px, -50px) rotate(240deg); }
}

@keyframes drift3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(40px, -40px) rotate(180deg); }
}

/* Notifications */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transform: translateX(400px);
    transition: all 0.3s ease;
    max-width: 350px;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid #48bb78;
}

.notification.error {
    border-left: 4px solid #f56565;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-icon {
    font-size: 1.25rem;
    font-weight: bold;
}

.notification.success .notification-icon {
    color: #48bb78;
}

.notification.error .notification-icon {
    color: #f56565;
}

.notification span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* Animation classes */
.animate-in {
    animation: slideInUp 0.6s ease-out forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 2rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .form-group {
        flex-direction: column;
        gap: 0.5rem;
    }

    .submit-btn {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .profile-cards {
        width: 250px;
        height: 300px;
    }

    .profile-card {
        width: 230px;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .nav {
        padding: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-features {
        align-items: center;
    }
}