* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #f5f5f5;
    color: #1b1b1b;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1150px;
    margin: 0 auto;
}

.header {
    background: #071a2f;
    padding: 22px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    position: relative;
}

.logo {
    color: #ffffff;
    font-size: 2rem;
    font-weight: 700;
}

.logo span {
    color: #d4af37;
}

.menu {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
}

.menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: 0.3s;
}

.menu a:hover,
.menu a.active {
    color: #d4af37;
}

.menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

.hero {
    background: linear-gradient(rgba(7, 26, 47, 0.78), rgba(7, 26, 47, 0.78));
    color: #ffffff;
    text-align: center;
    padding: 90px 20px;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    max-width: 760px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: #d4af37;
    color: #ffffff;
    text-decoration: none;
    padding: 14px 34px;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    transform: scale(1.05);
    background-color: #b89325;
}

.section {
    padding: 85px 0;
}

.section-light {
    background-color: #efefef;
}

.section-title {
    text-align: center;
    margin-bottom: 45px;
}

.section-title h2 {
    font-size: 2.4rem;
    color: #071a2f;
    margin-bottom: 18px;
}

.section-title p {
    max-width: 780px;
    margin: 0 auto;
    font-size: 1.08rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

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

.card {
    background-color: #ffffff;
    padding: 28px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.card h3 {
    color: #071a2f;
    margin-bottom: 14px;
    font-size: 1.5rem;
}

.card h4 {
    margin-top: 16px;
    color: #d4af37;
    font-size: 1.1rem;
}

.card p {
    font-size: 1rem;
}

.contact-box {
    max-width: 700px;
    margin: 0 auto;
    background-color: #071a2f;
    color: #ffffff;
    text-align: center;
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.contact-box p {
    margin: 10px 0;
    font-size: 1.05rem;
}

.footer {
    background-color: #04111f;
    color: #ffffff;
    text-align: center;
    padding: 25px 20px;
}

.topo {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background-color: #d4af37;
    color: white;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    display: none;
    z-index: 1200;
}

.topo:hover {
    background-color: #b89325;
}

.reveal {
    opacity: 0;
    transform: translateY(80px);
    transition: all 0.8s ease;
}

.reveal.show {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .nav {
        flex-wrap: wrap;
    }

    .menu-btn {
        display: block;
    }

    .menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 14px;
        margin-top: 15px;
        background-color: #071a2f;
        padding: 15px 0;
    }

    .menu.active {
        display: flex;
    }

    .menu a {
        text-align: center;
    }

    .grid,
    .grid-2,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h2 {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 75px 20px;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 70px 0;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .grid,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .logo {
        font-size: 1.7rem;
    }
}