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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #1a2e3b 0%, #2980b9 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 1.3rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Main Content */
main {
    background: white;
}

section {
    padding: 70px 0;
}

section:nth-child(even) {
    background-color: #f4f7fa;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: #1a2e3b;
    text-align: center;
}

h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #1a2e3b;
}

p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

a {
    color: #2980b9;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero {
    background: white;
    text-align: center;
}

.hero p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    color: #444;
}

/* Features Section */
.features {
    background: #f4f7fa;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

/* About Section */
.about {
    background: white;
}

.about p {
    max-width: 860px;
    margin: 0 auto 15px;
    text-align: center;
}

/* Contact Section */
.contact {
    background: #f4f7fa;
    text-align: center;
}

.contact > .container > p {
    max-width: 600px;
    margin: 0 auto 20px;
}

.contact-details {
    margin-top: 10px;
}

.contact-details p {
    margin-bottom: 8px;
}

/* Footer */
footer {
    background: #1a2e3b;
    color: white;
    text-align: center;
    padding: 30px 0;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.75;
    margin-bottom: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    section {
        padding: 50px 0;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}