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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #111827;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Первый главный экран */
.hero {
    position: relative;
    overflow: hidden;

    min-height: 520px;
    margin-top: 124px;

    color: #ffffff;
    text-align: center;

    display: flex;
    align-items: center;
}
.hero-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 100%;
    height: 100%;

    object-fit: cover;
    transform: translate(-50%, -50%);

    z-index: 1;
}
.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    max-width: 850px;
    margin: 0 auto 32px;
    font-size: 20px;
    color: #e5e7eb;
}

.hero-button {
    display: inline-block;
    background: #facc15;
    color: #111827;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}

.hero-button:hover {
    background: #eab308;
}

/* Блок услуг */
.services {
    padding: 70px 0;
}

.services h2,
.about h2,
.contact h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
}

.section-description {
    max-width: 760px;
    margin: 0 auto 45px;
    text-align: center;
    color: #6b7280;
    font-size: 18px;
}

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

.service-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: 0.3s;
    
    display: block;
    text-decoration: none;
}

.service-card:hover {
    transform: translateY(-6px);
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 14px;
    color: #111827;
}

.service-card p {
    margin-bottom: 24px;
    color: #4b5563;
}

.service-card span {
    color: #111827;
    font-weight: bold;
    transition: color 0.3s ease;
}

.service-card:hover span {
    color: #ca8a04;
}

/* О компании */
.about {
    background: #ffffff;
    padding: 70px 0;
    text-align: center;
}

.about p {
    max-width: 900px;
    margin: 0 auto;
    font-size: 18px;
    color: #4b5563;
}

/* Контакты */
.contact {
    background: #111827;
    color: #ffffff;
    padding: 70px 0;
    text-align: center;
}

.contact p {
    margin-bottom: 24px;
    color: #e5e7eb;
    font-size: 18px;
}

.contact-button {
    display: inline-block;
    background: #facc15;
    color: #111827;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}

.contact-button:hover {
    background: #eab308;
}

/* Подвал */
footer {
    background: #030712;
    color: #9ca3af;
    text-align: center;
    padding: 22px 20px;
}
@media (min-width: 1024px) {
    footer {
        max-width: 1200px;
        margin: 0 auto;
        border-radius: 18px 18px 0 0;
    }
}
@media (min-width: 1024px) {
    .hero,
    .services,
    .about,
    .contact,
    footer {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero {
        border-radius: 18px;
    }

    .services {
        background: #f4f6f8;
    }

    .about {
        background: #ffffff;
    }

    .contact {
        border-radius: 18px 18px 0 0;
    }

    footer {
        border-radius: 0 0 18px 18px;
    }
}