/* Arkrim profile theme. Tokens from the Arkrim UX guide.
   Latin subsets, self-hosted: Hanken Grotesk, Inter, JetBrains Mono (OFL). */

@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/arkrim/hanken-grotesk-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/arkrim/inter-latin.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/arkrim/jetbrains-mono-latin.woff2") format("woff2");
}

:root,
[data-theme="dark"] {
  --background: #10131b;
  --surface-container: #1c2027;
  --surface-container-high: #262a32;
  --on-surface: #e0e2ec;
  --on-surface-variant: #c0c6d6;
  --outline-variant: #404754;
  --primary: #a9c7ff;
  --on-primary: #003063;
  --atproto-blue: #0085ff;
  --link: #a9c7ff;
  color-scheme: dark;
}

[data-theme="light"] {
  --background: #f8f9fc;
  --surface-container: #eceef4;
  --surface-container-high: #e3e6ee;
  --on-surface: #1a1c23;
  --on-surface-variant: #454a56;
  --outline-variant: #c5cad6;
  --primary: #005db6;
  --on-primary: #ffffff;
  --atproto-blue: #0085ff;
  --link: #005db6;
  color-scheme: light;
}

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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--on-surface);
  font-family: Inter, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--primary);
  color: var(--on-primary);
}

:focus-visible {
  outline: 2px solid var(--atproto-blue);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  overflow: visible;
  background: var(--surface-container);
  border-bottom: 1px solid var(--outline-variant);
}

.site-header-inner {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.brand {
  margin: 0;
  margin-right: auto;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.brand a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--on-surface);
  text-decoration: none;
  font-family: "Hanken Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  letter-spacing: -0.01em;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--on-surface);
  background: var(--surface-container-high);
  position: relative;
  z-index: 5;
  transform-origin: center top;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@media (hover: hover) and (pointer: fine) {
  .brand a:hover img {
    transform: scale(8);
    z-index: 30;
  }
}

@media (hover: none), (pointer: coarse) {
  .brand a.is-portrait-zoomed img {
    transform: scale(5);
    z-index: 30;
  }
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.site-nav a {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
}

.site-nav a:hover {
  color: var(--on-surface);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0;
  padding: 0;
  border: 1px solid var(--outline-variant);
  border-radius: 0.25rem;
  background: var(--background);
  color: var(--on-surface);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--surface-container-high);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}

.theme-toggle .theme-icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .theme-icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .theme-icon-sun {
  display: block;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

section {
  scroll-margin-top: 5.75rem;
}

#contact {
  min-height: calc(100svh - 5.75rem);
}

section + section {
  margin-top: 3rem;
}

h2 {
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--outline-variant);
  font-family: "Hanken Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
  letter-spacing: -0.01em;
}

.prose p {
  margin: 0 0 1rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose strong {
  font-weight: 600;
}

main a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

.works {
  list-style: none;
  margin: 0;
  padding: 0;
}

.works li {
  margin: 0;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--outline-variant);
}

.cite {
  color: var(--on-surface-variant);
}

.doi {
  display: inline-block;
  height: 20px;
  width: auto;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.address {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
}

.social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.5rem;
  margin: 1.5rem 0 0;
}

.social a {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.social-logo {
  display: block;
  height: 28px;
  width: auto;
}

[data-theme="dark"] .social-logo {
  filter: invert(1);
}

@media (max-width: 767px) {
  h2 {
    font-size: 20px;
    line-height: 28px;
  }

  .brand a {
    font-size: 18px;
    line-height: 24px;
  }

  section {
    scroll-margin-top: 8rem;
  }

  #contact {
    min-height: calc(100svh - 8rem);
  }
}

@media (hover: hover) and (pointer: fine) and (max-width: 576px) {
  .brand a:hover img {
    transform: scale(5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand img {
    transition: none;
  }

  .brand a:hover img,
  .brand a.is-portrait-zoomed img {
    transform: none;
  }
}

@media print {
  .theme-toggle,
  .site-nav {
    display: none !important;
  }

  .site-header {
    position: static;
    background: #fff;
    border: 0;
  }

  body,
  .site-header {
    background: #fff;
    color: #1a1c23;
  }

  .cite,
  .site-nav a,
  .brand a {
    color: #1a1c23;
  }

  main a {
    color: #005db6;
  }

  .social-logo {
    filter: none !important;
  }
}