:root {
    --primary: #0077B6;
    --secondary: #90E0EF;
    --dark: #023E8A;
    --light: #F8F9FA;
    --text: #333;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

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

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

header {
    background: var(--white);
    padding: 20px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary);
}

.hero {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.search-box {
    background: var(--white);
    padding: 10px;
    border-radius: 50px;
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.search-box input {
    flex: 1;
    border: none;
    padding: 15px 25px;
    border-radius: 50px;
    outline: none;
    font-size: 1rem;
}

.search-box button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0 30px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
}

.section-title {
    margin: 40px 0 20px;
    font-size: 2rem;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.card-content {
    padding: 20px;
}

.card h3 {
    margin-bottom: 10px;
    color: var(--dark);
}

.card p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    background: var(--secondary);
    color: var(--dark);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 5px;
    margin-bottom: 5px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--dark);
}

footer {
    background: #222;
    color: var(--white);
    padding: 50px 0;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.footer-col h4 {
    margin-bottom: 20px;
}

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

.footer-col a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
}

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

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav-flex { flex-direction: column; gap: 15px; }
}