/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #484848;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo h2 {
    color: #FF5A5F;
    font-weight: 600;
    font-size: 24px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: #484848;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #FF5A5F;
}

.nav-cta {
    background: #FF5A5F;
    color: white !important;
    padding: 12px 24px;
    border-radius: 24px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: #E04E53;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
                url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.1), rgba(0, 166, 153, 0.1));
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 24px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 400;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 18px;
}

/* About Section */
.about {
    padding: 120px 0;
    background: #ffffff;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    color: #222222;
    margin-bottom: 24px;
}

.section-header p {
    font-size: 20px;
    color: #717171;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.about-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.about-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #222222;
    margin-bottom: 16px;
}

.about-card p {
    color: #717171;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: #F7F7F7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 48px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.feature-image {
    height: 200px;
    background: linear-gradient(135deg, #FF5A5F, #00A699);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-placeholder {
    font-size: 64px;
    color: white;
}

.feature-content {
    padding: 32px;
}

.feature-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: #222222;
    margin-bottom: 16px;
}

.feature-content p {
    color: #717171;
    line-height: 1.6;
}

/* Signup Section */
.signup {
    padding: 120px 0;
    background: linear-gradient(135deg, #FF5A5F, #E04E53);
    color: white;
}

.signup-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.signup h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 600;
    margin-bottom: 24px;
}

.signup p {
    font-size: 20px;
    margin-bottom: 48px;
    opacity: 0.95;
}

.signup-form {
    margin-bottom: 32px;
}

.form-group {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.form-group input {
    flex: 1;
    min-width: 280px;
    padding: 16px 20px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    background: white;
    color: #484848;
}

.form-group input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.btn-primary {
    background: #222222;
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary:hover {
    background: #000000;
    transform: translateY(-2px);
}

.form-note {
    font-size: 14px;
    opacity: 0.8;
}

.signup-success {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 48px 32px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.success-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.signup-success h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

/* Footer */
.footer {
    background: #222222;
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: #FF5A5F;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #B0B0B0;
    font-size: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-column a {
    display: block;
    color: #B0B0B0;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #FF5A5F;
}

.footer-bottom {
    border-top: 1px solid #404040;
    padding-top: 32px;
    text-align: center;
    color: #B0B0B0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a:not(.nav-cta) {
        display: none;
    }
    
    .hero {
        height: 80vh;
    }
    
    .about, .features, .signup {
        padding: 80px 0;
    }
    
    .about-grid, .features-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-group input {
        min-width: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero-content {
        padding: 0 16px;
    }
    
    .about-card, .feature-content {
        padding: 24px 16px;
    }
    
    .signup-content {
        padding: 0 16px;
    }
}

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

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

.about-card, .feature-card {
    animation: fadeInUp 0.6s ease forwards;
}

.about-card:nth-child(2) {
    animation-delay: 0.1s;
}

.about-card:nth-child(3) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.2s;
}