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

body {
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1a1a1a;
    line-height: 1.7;
}

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

header {
    background: #081120;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-weight: bold;
    font-size: 18px;
}

.logo-area img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    transition: 0.3s;
}

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

.hero {
    background: linear-gradient(to right, #081120, #10294d);
    color: white;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 20px;
}

.hero p {
    max-width: 800px;
    margin: auto;
    font-size: 18px;
}

.btn {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 30px;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
}

.btn:hover {
    background: #1d4ed8;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
    transition: 0.3s;
}

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

.card h3 {
    margin-bottom: 15px;
}

.dark-section {
    background: #081120;
    color: white;
}

.dark-card {
    background: #10203a;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-box {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    font-weight: bold;
    color: #081120;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

footer {
    background: #081120;
    color: white;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

footer h4,
footer h3 {
    margin-bottom: 18px;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 10px;
}

footer ul li a {
    color: #cbd5e1;
    text-decoration: none;
}

footer ul li a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding: 25px;
    margin-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 14px;
}

.page-header {
    background: #081120;
    color: white;
    padding: 80px 0;
    text-align: center;
}

.content-page {
    padding: 70px 0;
}

.content-page h2 {
    margin-top: 30px;
    margin-bottom: 12px;
}

.content-page p {
    margin-bottom: 18px;
}

@media(max-width: 992px) {

    .grid,
    .features,
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero h1 {
        font-size: 42px;
    }
}

@media(max-width: 768px) {

    .nav {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .grid,
    .features,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 90px 0;
    }

    .hero h1 {
        font-size: 34px;
    }

    .section-title {
        font-size: 28px;
    }
}