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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fa;
    color: #17202a;
}


/* =========================
   HEADER
========================= */

header {
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: auto;
    padding: 15px 30px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo img {
    height: 48px;
    width: auto;
    display: block;
}

.register-button {
    display: inline-block;

    padding: 12px 22px;

    background: #17202a;
    color: #ffffff;

    text-decoration: none;
    border-radius: 7px;

    font-size: 15px;
    font-weight: 600;

    transition: 0.2s ease;
}

.register-button:hover {
    background: #2c3e50;
    transform: translateY(-1px);
}


/* =========================
   HERO
========================= */

.hero {
    max-width: 1200px;
    min-height: calc(100vh - 79px);

    margin: auto;
    padding: 60px 30px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 60px;
}

.hero-content {
    flex: 1;
}

.badge {
    display: inline-block;

    padding: 7px 13px;
    margin-bottom: 20px;

    background: #e9eef3;
    color: #34495e;

    border-radius: 20px;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 52px;
    line-height: 1.08;
    margin-bottom: 22px;
}

.hero p {
    max-width: 580px;

    color: #687078;

    font-size: 18px;
    line-height: 1.7;

    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: 450px;

    object-fit: cover;

    border-radius: 18px;

    display: block;
}


/* =========================
   CONTACT
========================= */

.contact {
    max-width: 1200px;
    margin: auto;

    padding: 0 30px 60px;
}

.contact-box {
    background: #ffffff;

    border: 1px solid #e5e7eb;
    border-radius: 15px;

    padding: 30px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 30px;
}

.contact h2 {
    margin-bottom: 8px;
    font-size: 25px;
}

.contact p {
    color: #687078;
}

.contact-details {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.contact-label {
    font-size: 12px;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.contact-item a {
    color: #17202a;
    text-decoration: none;
    font-weight: 600;
}

.contact-item a:hover {
    text-decoration: underline;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {

    .header-container {
        padding: 13px 20px;
    }

    .logo img {
        height: 40px;
    }

    .register-button {
        padding: 10px 15px;
        font-size: 14px;
    }

    .hero {
        min-height: auto;

        padding: 45px 20px;

        flex-direction: column;

        text-align: center;

        gap: 40px;
    }

    .hero h1 {
        font-size: 38px;
    }

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

    .hero-image {
        width: 100%;
    }

    .hero-image img {
        height: 300px;
    }

    .contact {
        padding: 0 20px 40px;
    }

    .contact-box {
        flex-direction: column;
        align-items: flex-start;
    }

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