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

body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background-color: #f5f7fa;
    color: #1a1a1a;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* ===== HEADER ===== */

header {
    background: #0b1f3a;
    padding: 18px 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 55px;
    margin-right: 15px;
}

.company-name h1 {
    color: #ffffff;
    font-size: 20px;
    margin: 0;
    font-weight: 600;
}

.company-name span {
    color: #b0bec5;
    font-size: 12px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 30px;
    font-weight: 500;
    transition: 0.3s ease;
}

nav a:hover {
    color: #4da3ff;
}

nav a.active {
    pointer-events: none;
    border-bottom: 2px solid #4da3ff;
}

/* ===== HERO ===== */

.hero {
    background: linear-gradient(to right, #0b1f3a, #132f55);
    color: white;
    padding: 100px 0;
    text-align: left;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero p {
    font-size: 18px;
    max-width: 600px;
    margin-bottom: 30px;
    color: #e0e6ed;
}

.btn-primary {
    background: #4da3ff;
    color: white;
    padding: 14px 28px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: 0.3s ease;
}

.btn-primary:hover {
    background: #2c82e0;
}

/* ===== SECTIONS ===== */

.section {
    padding: 80px 0;
}

.section h2 {
    font-size: 30px;
    margin-bottom: 25px;
    color: #0b1f3a;
    font-weight: 600;
}

.section p {
    max-width: 800px;
    margin-bottom: 20px;
    color: #444;
}

/* ===== CARDS ===== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    transition: 0.3s ease;
}

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

.card h3 {
    margin-bottom: 15px;
    color: #0b1f3a;
}

/* ===== FOOTER ===== */

footer {
    background: #0b1f3a;
    color: #cfd8dc;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
}

footer a {
    color: #4da3ff;
    text-decoration: none;
}