/* Design tokens taken from the Super.so ult.graphic dark theme previously
   used at maikeosborne.com, so the static site matches the old one.
   Body text is Literata (the Notion "serif" page font); headings and UI
   elements are Space Grotesk. */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
    U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7,
    U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F,
    U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/literata-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/literata-700.woff2") format("woff2");
}

:root {
  --color-bg: #2f2f2f;
  --color-text: #c0c0c0;
  --color-text-light: #9b9b9b;
  --color-heading: #c9c9c9;
  --color-border: #505050;
  --color-card-bg: #262626;
  --color-card-bg-hover: #2f2f2f;
  --color-accent: hsl(242, 18%, 63%);
  --color-quote-bg: hsl(16, 19%, 22%);
  --color-cta-bg: hsl(16, 26%, 58%);
  --navbar-bg: rgba(25, 25, 25, 0.6);
  --navbar-text: #e1e1e1;
  --card-shadow: rgba(0, 0, 0, 0.1) 0px 20px 40px -10px;
  --sans-font: "Space Grotesk", Helvetica, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Helvetica Neue", "Noto Sans", sans-serif;
  --serif-font: "Literata", Georgia, serif;
  --radius: 8px;
  --radius-inner: 6px;
  --layout-max-width: 1300px;
  --page-padding: 96px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--serif-font);
  -webkit-font-smoothing: antialiased;
}

/* ---------- navbar ---------- */

.navbar {
  position: fixed;
  z-index: 10;
  top: 1em;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: var(--layout-max-width);
  height: 3.5em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  padding: 0 1em;
  border-radius: var(--radius);
  background: var(--navbar-bg);
  backdrop-filter: blur(36px);
  -webkit-backdrop-filter: blur(36px);
  font-family: var(--sans-font);
}

.navbar a {
  color: var(--navbar-text);
  text-decoration: none;
}

.navbar-logo {
  font-weight: 500;
  white-space: nowrap;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25em;
}

.navbar-links a {
  padding: 0.5em 0.75em;
  border-radius: var(--radius-inner);
  font-size: 0.95em;
  white-space: nowrap;
  transition: background 0.2s;
}

.navbar-links a:hover,
.navbar-links a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.2);
}

/* ---------- header cover ---------- */

.cover {
  position: relative;
  height: 21em;
  max-width: calc(var(--layout-max-width) * 1.5);
  margin: 0 auto;
  overflow: hidden;
}

.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

/* fade the bottom of the cover into the page background */
.cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 55%,
    var(--color-bg) 100%
  );
}

/* pages without a cover still need clearance under the fixed navbar */
main.no-cover {
  padding-top: 8em;
}

/* ---------- content ---------- */

main {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: 2em var(--page-padding) 6em;
}

main > :first-child {
  margin-top: 0;
}

h1, h2, h3 {
  color: var(--color-heading);
  font-family: var(--sans-font);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 1.2em 0 0.25em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.4rem; }
h3 { font-size: 1.6rem; }

p, li {
  line-height: 1.75;
  margin: 0 0 0.5em;
}

ul {
  padding-left: 1.4em;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

a:hover {
  text-decoration-color: var(--color-text);
}

hr {
  border: none;
  margin: 6em 0;
}

img {
  max-width: 100%;
}

.accent {
  color: var(--color-accent);
}

figcaption {
  color: var(--color-text-light);
  font-size: 0.9em;
}

.credit {
  margin-top: 3em;
}

/* ---------- two-column blocks ---------- */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 2em;
}

.two-col h1 {
  margin-top: 0;
}

.two-col figure {
  margin: 0;
}

.two-col figure img {
  width: 100%;
  border-radius: var(--radius);
}

/* ---------- quote ---------- */

blockquote {
  margin: 2em 0;
  padding: 1.7rem;
  text-align: center;
  border-radius: var(--radius-inner);
  font-family: var(--sans-font);
}

blockquote.bg-brown {
  background: var(--color-quote-bg);
}

blockquote p {
  line-height: 1.75;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ---------- CTA button ---------- */

.cta {
  text-align: center;
  margin: 2em 0;
}

.cta a {
  display: inline-block;
  padding: 1em 2em;
  border-radius: var(--radius-inner);
  background: var(--color-cta-bg);
  color: var(--color-bg);
  font-family: var(--sans-font);
  font-size: 1.1em;
  text-decoration: none;
  box-shadow: 0em 1em 1em 0em hsla(16, 26%, 58%, 0.3);
  transition: 0.2s;
}

.cta a:hover {
  background: hsl(16, 26%, 68%);
  box-shadow: 0em 2em 2em 0em hsla(16, 26%, 58%, 0.5);
}

/* ---------- stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin: 3em 0;
}

.stat {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  padding: 1.7rem;
  box-shadow: var(--card-shadow);
}

.stat h3 {
  color: var(--color-accent);
  margin: 0 0 0.25em;
}

.stat p {
  margin: 0;
}

/* ---------- bookmark card ---------- */

.bookmark {
  display: block;
  margin: 2em 0;
  padding: 1.3rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.3s ease-in;
}

.bookmark:hover {
  background: var(--color-card-bg);
}

.bookmark-title {
  margin: 0 0 0.25em;
}

.bookmark-description {
  color: var(--color-text-light);
  font-size: 0.85em;
  margin: 0 0 1.5em;
}

.bookmark-domain {
  font-family: var(--sans-font);
  font-size: 0.85em;
  margin: 0;
}

/* ---------- card galleries ---------- */

.gallery {
  display: grid;
  gap: 24px;
  align-items: start;
  margin: 2em 0;
}

.gallery.medium { grid-template-columns: 1fr 1fr; }
.gallery.small { grid-template-columns: 1fr 1fr 1fr; }

.card {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-card-bg);
  box-shadow: var(--card-shadow);
  text-decoration: none;
  font-family: var(--sans-font);
  transition: 0.3s ease-out;
}

.card-cover {
  overflow: hidden;
}

.card-cover img {
  display: block;
  width: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: 1s ease-out;
}

.gallery.medium .card-cover img { height: 260px; }
.gallery.small .card-cover img { height: 172px; }

.card:hover .card-cover img {
  transform: scale(1.2);
}

.card:hover {
  background: var(--color-card-bg-hover);
}

.card-badge {
  position: absolute;
  top: 0.75em;
  right: 0.75em;
  z-index: 2;
  padding: 0.5em 1em;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-weight: 500;
  font-size: 0.85em;
  line-height: 1;
}

.card-content {
  padding: 1rem 1.3rem;
}

.card-title {
  color: var(--color-heading);
  font-weight: 500;
  margin: 0 0 0.5em;
}

.card-meta {
  color: var(--color-text-light);
  font-size: 0.8em;
  margin: 0 0 0.25em;
}

.card-domain {
  display: inline-block;
  margin: 0 0 0.25em;
  color: var(--color-text-light);
  font-size: 0.8em;
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
}

/* ---------- mobile ---------- */

@media (max-width: 880px) {
  :root {
    --page-padding: 24px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.6rem; }

  .navbar {
    height: auto;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.5em 1em;
  }

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

  .cover { height: 15em; }

  .two-col,
  .stats,
  .gallery.medium,
  .gallery.small {
    grid-template-columns: 1fr;
  }
}