/* =========================
   Reset
   ========================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    line-height: 1.6;

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: #222;
    background: #f5f5f5;

    text-rendering: optimizeLegibility;
}

img,
picture,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

a {
    color: inherit;
    /*text-decoration: none;*/
}

ul,
ol {
    padding-left: 1.5rem;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* =========================
   Layout Defaults
   ========================= */

:root {
    --content-width: 1200px;
    --reading-width: 75ch;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
}

.container {
    width: min(var(--content-width), calc(100% - 2rem));
    margin-inline: auto;
}

/* =========================
   Typography
   ========================= */

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.15;
    font-weight: 700;
    margin-bottom: 0.75em;
    text-wrap: balance;
}

p,
ul,
ol,
blockquote,
table {
    margin-bottom: 1.25rem;
}

h1 {
    font-size: clamp(2.5rem, 3vw, 3rem);
}

h2 {
    font-size: clamp(2rem, 2vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 1.5vw, 2rem);
}

blockquote {
    padding-left: 1rem;
    border-left: 4px solid #ddd;
    color: #555;
}

hr {
    border: none;
    height: 1px;
    background: #ddd;
    margin: 2rem 0;
}



.container {
    width: min(1200px, 90%);
    margin: 0 auto;
}

/* Header */

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

    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    margin: 0;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo svg {
    display: block;
    height: 80px;
    width: auto;
}

nav {
    margin-left: auto;
    display: flex;
    gap: 3rem;
}

nav a {
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 3rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-item-dropdown {
    position: relative;
    anchor-name: --nav-anchor;
}

.nav-item-dropdown > a::after {
    content: "▾";
    margin-left: 0.4rem;
    font-size: 0.8em;
}

.nav-dropdown {
    top: 100%;
    left: 0;
    position: absolute;
    position-anchor: --nav-anchor;
    position-area: block-end span-inline-start;


    min-width: 12rem;

    opacity: 0;
    visibility: hidden;

    background: white;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    box-shadow: 0 8px 24px rgb(0 0 0 / 10%);

    z-index: 100;

    list-style: none;
}

.nav-dropdown .nav-item {
    padding: 0.5rem 1rem;
}

.nav-item-dropdown:hover > .nav-dropdown,
.nav-item-dropdown:focus-within > .nav-dropdown {
    opacity: 1;
    visibility: visible;
}

/* Layout */

.content {
    display: grid;
    gap: 2rem;

    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.content:has(.sidebar) {
    grid-template-columns: 280px minmax(0, 1fr);
}

.content:not(:has(.sidebar)) {
    grid-template-columns: 1fr;
}

/* .page-content */

.page-content {
    background: white;
    border-radius: 1rem;
    padding: clamp(1.5rem, 3vw, 3rem);;
    overflow: hidden;
    box-shadow: 0 2px 8px rgb(0 0 0 / 5%);
}

.page-content h1 {
    margin-bottom: 1rem;
}

.page-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.page-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.page-content p,
.page-content ul,
.page-content ol {
    margin-bottom: 1.5rem;
}

.hero img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.hero + .container .page-content {
    margin-top: -8rem;
}

.content:has(.sidebar) .page-content {
    grid-column: 2;
}

/* Sidebar */

.sidebar {
    /*display: flex;
    flex-direction: column;
    gap: 1.5rem;*/
    position: sticky;
    top: 10rem;
    align-self: start;
    grid-column: 1;
}

/* Footer */

.site-footer {
    background: white;
    border-top: 1px solid #e5e7eb;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

/* Mobile */

@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .site-header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .content:has(.sidebar) {
        grid-template-columns: 1fr;
    }

    .content:has(.sidebar) .page-content {
        grid-column: 1;
        order: 1;
    }

    .sidebar {
        grid-column: 1;
        order: 2;
    }
}