:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --section-bg: #f3f4f6;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-buttons button {
    padding: 0.5rem 1.5rem;
    margin-left: 1rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.signup-btn {
    background: var(--primary-color);
    border: none;
    color: white;
}

/* Hero Section */
.hero {
    padding: 10rem 2rem 6rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.cta-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Features Section */
.features {
    padding: 5rem 2rem;
    background: var(--section-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 0 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--light-text);
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 5rem 2rem;
    background: var(--background);
}

.benefits-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.benefits h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.benefit-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.benefit-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.benefit-item p {
    font-size: 1.1rem;
    color: var(--text-color);
}

/* Footer */
footer {
    background: var(--text-color);
    color: white;
    padding: 4rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.social-links a {
    color: white;
    margin-right: 1rem;
    font-size: 1.5rem;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
        padding: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features h2 {
        font-size: 2rem;
    }
    
    .nav-buttons button {
        padding: 0.4rem 1rem;
    }
}