* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --accent: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --success: #4cc9f0;
    --gray: #6c757d;
}

body {
    background-color: #f9fafb;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo i {
    margin-right: 10px;
    color: var(--accent);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--accent);
}

.auth-buttons {
    display: flex;
    align-items: center;
}

.btn {
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
}

.btn-outline {
    border: 2px solid white;
    color: white;
    margin-right: 15px;
}

.btn-outline:hover {
    background: white;
    color: var(--primary);
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent);
}

/* Hero section */
.hero {
    padding: 80px 0;
    background: url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1170&q=80') no-repeat center center/cover;
    color: white;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(67, 97, 238, 0.8), rgba(58, 12, 163, 0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

/* Features section */
.features {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--light);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--secondary);
}

/* Pricing section */
.pricing {
    padding: 80px 0;
    background: #f1f5f9;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: white;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border: 2px solid var(--accent);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: 15px;
    right: -35px;
    background: var(--accent);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--secondary);
}

.price {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.price span {
    font-size: 16px;
    color: var(--gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

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

/* Forms */
.form-container {
    display: none;
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.form-container.active {
    display: block;
}

.form-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--accent);
}

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

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--accent);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #ccc;
}

/* Thank you page */
.thank-you {
    text-align: center;
    padding: 100px 0;
}

.thank-you h1 {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 20px;
}

.thank-you p {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.thank-you-icon {
    font-size: 80px;
    color: var(--success);
    margin-bottom: 30px;
}

/* Error message */
.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin: 20px 0;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .pricing-card.popular {
        transform: scale(1);
    }
}