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

body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #222;
    background-color: #fff;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* Header */
.header {
    background: #f5f8fc;
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.logo {
    height: 50px;
}

.nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #004080;
    font-weight: 600;
}

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

/* Hero */
.hero {
    background: url('img/hero.jpg') center/cover no-repeat;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.45);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.btn {
    background: #004080;
    color: white;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.btn:hover {
    background: #0055b3;
}

/* Sections */
section {
    padding: 60px 0;
    text-align: center;
}

h2 {
    color: #004080;
    margin-bottom: 25px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.product-card img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 10px;
}

.product-card h3 {
    color: #004080;
}

/* Benefits */
.benefit-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.benefit {
    width: 150px;
}

.benefit span {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
}

/* Contacts */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    margin: 0 auto 30px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.contact-info a {
    color: #004080;
}

/* Footer */
.footer {
    background: #f5f8fc;
    padding: 20px;
    text-align: center;
    color: #555;
    font-size: 0.9rem;
}