/* ===== BLUE MERIDIAN LTD — Corporate Modern Theme (Palette B) ===== */
/* Colors:
   Navy: #0b1530
   Blue: #1f6feb
   Light Blue Accent: #5dc0ff
   White: #ffffff
   Grey: #e5e7eb
   Dark Grey: #4b5563
*/

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

body {
    font-family: Arial, sans-serif;
    background: #ffffff;
    color: #0b1530;
    line-height: 1.6;
}

/* HEADER */
header {
    background: #0b1530;
    color: white;
    padding: 18px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 1px;
}

nav a {
    color: #ffffff;
    margin-left: 22px;
    font-size: 15px;
    text-decoration: none;
}

nav a:hover {
    color: #5dc0ff;
}

/* HERO */
.hero {
    height: 75vh;
    background-image: url('https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content {
    max-width: 700px;
    margin: auto;
    background: rgba(11, 21, 48, 0.55);
    padding: 40px;
    border-radius: 10px;
}

.hero h1 {
    font-size: 36px;
    color: #ffffff;
    margin-bottom: 15px;
}

.hero p {
    color: #dbeafe;
    font-size: 18px;
    margin-bottom: 25px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 28px;
    background: #1f6feb;
    color: white;
    font-size: 16px;
    border-radius: 6px;
    text-decoration: none;
}

.btn-primary:hover {
    background: #5dc0ff;
}

/* SECTIONS */
.section {
    padding: 60px 40px;
    max-width: 1100px;
    margin: auto;
}

.section h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.section p {
    margin-bottom: 20px;
}

/* GRID */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 28px;
}

.card {
    background: #f3f4f6;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
}

.card h3 {
    margin-bottom: 12px;
}

.category-list li {
    margin-bottom: 8px;
}

/* FOOTER */
footer {
    background: #0b1530;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}