* {
    box-sizing: border-box;
}

body {
    margin: 0;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    background: #f6f8fb;
    color: #111;
}


/* Navigation */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;

    display: flex;
    align-items: center;
    gap: 28px;

    padding: 18px 48px;

    background: #ffffff;
    border-bottom: 1px solid #e3e7eb;
}

.nav-link {
    color: #333;
    text-decoration: none;

    font-size: 15px;
    font-weight: 500;
}

.nav-link:hover {
    color: #0067c0;
}


/* Main */

.container {
    width: min(900px, calc(100% - 48px));

    margin: 0 auto;
    padding: 64px 0;
}


/* Profile */

.profile-header {
    margin-bottom: 56px;
}

.profile-name {
    margin: 0;

    font-size: 42px;
    font-weight: 700;
    letter-spacing: -1px;
}

.profile-description {
    margin: 12px 0 0;

    color: #666;
    font-size: 16px;
}


/* Sections */

.section {
    margin-bottom: 48px;
}

.section-title {
    margin: 0 0 16px;

    font-size: 24px;
    font-weight: 600;
}

.subtitle {
    margin: 22px 0 10px;

    font-size: 16px;
    font-weight: 600;
}

.subtitle:first-child {
    margin-top: 0;
}


/* Box */

.textbox {
    padding: 24px;

    background: #ffffff;

    border: 1px solid #e3e7eb;
    border-radius: 14px;

    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}


/* Devices */

.device-list {
    margin: 0;
    padding: 0;

    list-style: none;
}

.device-item {
    padding: 14px 4px;

    border-bottom: 1px solid #eeeeee;
}

.device-item:last-child {
    border-bottom: none;
}

.device-link {
    color: #111;
    text-decoration: none;

    font-size: 17px;
    font-weight: 500;
}

.device-link:hover {
    color: #0067c0;
}


/* Skills */

.skill-list {
    margin: 0;
    padding-left: 20px;
}

.skill-item {
    margin: 7px 0;

    font-size: 15px;
}

.skill-level {
    color: #777;
    font-size: 13px;
}


/* Contact */

.contact-info {
    margin: 0;

    font-size: 15px;
}

.contact-link,
.contact-link:hover {
    color: inherit;
    text-decoration: none;
}

/* Mobile */

@media (max-width: 600px) {
    .navbar {
        gap: 18px;

        padding: 16px 20px;

        overflow-x: auto;
    }

    .container {
        width: calc(100% - 32px);

        padding: 48px 0;
    }

    .profile-name {
        font-size: 32px;
    }

    .profile-description {
        font-size: 15px;
    }

    .section-title {
        font-size: 22px;
    }

    .textbox {
        padding: 20px;
    }
}