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

:root {
    --primary-blue: #0052A3;
    --light-blue: #0066CC;
    --dark-gray: #333333;
    --gray: #666666;
    --light-gray: #F5F5F5;
    --black: #000000;
    --white: #FFFFFF;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

/* NAVBAR */
nav {
    background: linear-gradient(135deg, var(--black) 0%, var(--primary-blue) 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo img {
    height: 100px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    border-bottom: 2px solid transparent;
    padding-bottom: 0.5rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: #FFD700;
    border-bottom-color: #FFD700;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, var(--black) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: #FFD700;
    color: var(--black);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background-color: var(--light-blue);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
}

/* SECTIONS */
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    text-align: center;
    margin-bottom: 3rem;
}

/* CARDS GRID */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border-left: 5px solid var(--primary-blue);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 82, 163, 0.2);
    border-left-color: #FFD700;
}

.card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.card p {
    color: var(--gray);
    line-height: 1.8;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* FEATURES */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    padding: 1.5rem;
    text-align: center;
}

.feature-item h4 {
    color: var(--primary-blue);
    margin: 1rem 0 0.5rem;
    font-size: 1.1rem;
}

.feature-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* FOOTER */
footer {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

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

.footer-section h4 {
    color: #FFD700;
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--light-gray);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #FFD700;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
    color: var(--light-gray);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section h2 {
        font-size: 1.8rem;
    }

    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}