* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    color: #1e293b;
    background: #f0f4f8;
}

/* NAVBAR */
.navbar {
    background: #e2e8f0;
    padding: 18px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #cbd5e1;
}

.logo {
    font-weight: bold;
    color: #3b82f6;
}

.navbar ul {
    list-style: none;
    display: flex;
}

.navbar ul li {
    margin-left: 22px;
}

.navbar ul li a {
    color: #1e293b;
    text-decoration: none;
}

/* HOME */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(11,28,45,0.75), rgba(11,28,45,0.75)),
    url("https://images.unsplash.com/photo-1498050108023-c5249f4df085") center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero h1 { font-size: 44px; margin-bottom: 20px; }
.hero p { font-size: 18px; margin-bottom: 30px; }
.btn { background: #3b82f6; padding: 12px 30px; color: white; text-decoration: none; border-radius: 5px; }

/* SECTIONS */
.section { padding: 80px 12%; }
.section h2 { text-align: center; margin-bottom: 50px; font-size: 32px; }

/* BACKGROUNDS */
.section-light { background: #f0f4f8; }
.section-light-alt { background: #e2e8f0; }

/* GRID & CARDS */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.card {
    background: #dbeafe;
    padding: 32px;
    border-radius: 14px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}
.card h3 { color: #3b82f6; margin-bottom: 12px; }
.card p { line-height: 1.6; }
.card.wide { grid-column: span 2; }

/* CONTACT FORM */
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #f8fafc;
    color: #1e293b;
}
.contact-form button {
    width: 100%;
    padding: 12px;
    background: #3b82f6;
    border: none;
    color: white;
    font-weight: bold;
}

/* FOOTER */
footer {
    background: #e2e8f0;
    text-align: center;
    padding: 30px;
}

/* MOBILE */
@media (max-width: 768px) {
    .card.wide { grid-column: span 1; }
    .navbar { flex-direction: column; }
}