/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    line-height: 1.6;
    color: #222;
    background-color: #f4f6f8;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* ===== Header ===== */
.header {
    background: #0b1c2d;
    color: #ffffff;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.navigation ul {
    display: flex;
    gap: 20px;
}

.navigation a {
    color: #ffffff;
    font-weight: 500;
}

.navigation a:hover {
    text-decoration: underline;
}

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

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(to right, #0b1c2d, #123456);
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

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

.btn-primary {
    display: inline-block;
    background: #1e90ff;
    color: #ffffff;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: bold;
}

.btn-primary:hover {
    background: #1873cc;
}

/* ===== Section Common ===== */
section {
    padding: 60px 0;
}

section h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #0b1c2d;
}

/* ===== About ===== */
.about p {
    font-size: 16px;
    max-width: 800px;
}

/* ===== Services ===== */
.services ul li {
    background: #ffffff;
    margin-bottom: 10px;
    padding: 15px;
    border-left: 5px solid #1e90ff;
}

/* ===== Security ===== */
.security ul li {
    background: #ffffff;
    margin-bottom: 10px;
    padding: 15px;
    border-left: 5px solid #28a745;
}

/* ===== Contact ===== */
.contact p {
    margin-bottom: 20px;
}

.contact-form {
    max-width: 600px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.contact-form textarea {
    resize: vertical;
    height: 120px;
}

.contact-form button {
    background: #0b1c2d;
    color: #ffffff;
    border: none;
    padding: 12px 25px;
    cursor: pointer;
    font-weight: bold;
    border-radius: 4px;
}

.contact-form button:hover {
    background: #123456;
}

/* ===== Footer ===== */
.footer {
    background: #0b1c2d;
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .navigation ul {
        flex-direction: column;
        gap: 10px;
    }

    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }
}