/* General page settings */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: #f4f6f8;
    color: #243142;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
}


/* Header */

.site-header {
    background-color: #17365d;
    color: #ffffff;
}

.header-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 1.5rem;
    text-align: center;
}

.header-content h1 {
    margin: 0;
    font-size: 2.5rem;
    line-height: 1.2;
}

.header-content p {
    margin: 0.5rem 0;
    font-size: 1.15rem;
}

address {
    font-style: normal;
}

address a {
    color: #ffffff;
}

address a:hover,
address a:focus {
    text-decoration-thickness: 0.2rem;
}


/* Navigation */

nav {
    background-color: #102844;
}

nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    list-style: none;
}

nav a {
    display: block;
    padding: 0.65rem 0.85rem;
    border-radius: 0.25rem;
    color: #ffffff;
    font-weight: bold;
    text-decoration: none;
}

nav a:hover,
nav a:focus {
    background-color: #ffffff;
    color: #17365d;
}


/* Keyboard focus */

a:focus-visible {
    outline: 0.2rem solid #f5c542;
    outline-offset: 0.2rem;
}


/* Main content */

main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

main > section {
    margin-bottom: 2rem;
    padding: 1.75rem;
    border: 1px solid #d7dee7;
    border-radius: 0.5rem;
    background-color: #ffffff;
}

h2 {
    margin-top: 0;
    padding-bottom: 0.5rem;
    border-bottom: 0.15rem solid #2f67a3;
    color: #17365d;
    font-size: 1.75rem;
}

h3 {
    margin-top: 0;
    margin-bottom: 0.25rem;
    color: #244f7d;
    font-size: 1.25rem;
}

p {
    margin-top: 0.5rem;
    margin-bottom: 0.75rem;
}


/* Resume entries */

article {
    padding: 1.25rem 0;
    border-bottom: 1px solid #d7dee7;
}

article:first-of-type {
    padding-top: 0.5rem;
}

article:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.entry-header {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.entry-header section {
    padding: 0;
}

.entry-details {
    margin-top: 0;
    text-align: right;
}

article ul {
    padding-left: 1.5rem;
}

article li {
    margin-bottom: 0.4rem;
}


/* Definition list */

dl {
    display: grid;
    grid-template-columns: max-content auto;
    gap: 0.25rem 1rem;
    margin-bottom: 0;
}

dt {
    font-weight: bold;
}

dd {
    margin: 0;
}


/* Skills */

.skills-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 0;
    list-style: none;
}

.skills-list li {
    padding: 0.75rem;
    border-left: 0.3rem solid #2f67a3;
    background-color: #eef3f8;
}


/* Footer */

footer {
    padding: 1.5rem;
    background-color: #102844;
    color: #ffffff;
    text-align: center;
}

footer p {
    margin: 0;
}


/* Responsive mobile layout */

@media (max-width: 650px) {
    .header-content h1 {
        font-size: 2rem;
    }

    nav ul {
        flex-direction: column;
        align-items: stretch;
    }

    nav a {
        text-align: center;
    }

    main {
        padding: 1rem;
    }

    main > section {
        padding: 1.25rem;
    }

    .entry-header {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .entry-details {
        text-align: left;
    }

    .skills-list {
        grid-template-columns: 1fr;
    }
}