:root {
    --primary-color: #0056b3; /* Deep Blue */
    --secondary-color: #eff6ff; /* Light Blue Background */
    --accent-color: #fbbf24; /* Warm Yellow/Gold for highlights */
    --text-color: #1f2937; /* Dark Gray */
    --light-text: #6b7280; /* Medium Gray */
    --white: #ffffff;
    --border-color: #e5e7eb;
    --font-family: 'Inter', sans-serif;
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--text-color);
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #ffffff 100%);
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-color);
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #004494;
    transform: translateY(-2px);
}

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

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

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); /* Removed 'transform' to avoid layout shifts if preferred, or keep consistent */
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Info Section */
.info-section {
    background-color: var(--secondary-color);
    padding: 80px 0;
    text-align: center;
}

.info-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.info-section p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--light-text);
}

/* Footer */
.footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: #9ca3af;
}

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

.footer-section a {
    color: #9ca3af;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
}

.disclaimer-text {
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding: 20px 0;
    text-align: center;
    color: #9ca3af;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header .container {
        height: 70px;
    }
    
    .mobile-menu-btn {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
    }

    .bar {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text-color);
        position: absolute;
        transition: var(--transition);
    }

    .bar:nth-child(1) { top: 0; }
    .bar:nth-child(2) { top: 50%; transform: translateY(-50%); }
    .bar:nth-child(3) { bottom: 0; }

    .nav {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 20px;
        transform: translateY(-150%); /* Hidden by default */
        transition: var(--transition);
        z-index: 999;
    }

    .nav.active {
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.2rem;
    }
}