@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-sans-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-600-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/jetbrains-mono-latin-ext-400-normal.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: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/jetbrains-mono-latin-400-normal.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: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/jetbrains-mono-latin-ext-500-normal.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: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/jetbrains-mono-latin-500-normal.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; }

:root {
  color-scheme: light;
  --canvas: #f4f4f2;
  --surface: #ffffff;
  --surface-subtle: #f8f8f6;
  --surface-strong: #f0f0ed;
  --surface-hover: #f5f5f2;
  --text: #1d1d20;
  --text-soft: #49494f;
  --text-muted: #5c5c64;
  --text-faint: #6a6a73;
  --line-soft: #e9e9e5;
  --line: #deded9;
  --line-strong: #b9b9b2;
  --action: #1d1d20;
  --action-hover: #39393e;
  --action-text: #fafafa;
  --focus: #63636b;
  --radius-sm: 5px;
  --radius-md: 8px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0b0b0d;
  --surface: #17171b;
  --surface-subtle: #141418;
  --surface-strong: #1d1d22;
  --surface-hover: #202026;
  --text: #f0f0f1;
  --text-soft: #c4c4c8;
  --text-muted: #a8a8b0;
  --text-faint: #8e8e96;
  --line-soft: #232328;
  --line: #2c2c32;
  --line-strong: #505058;
  --action: #dedee1;
  --action-hover: #c9c9ce;
  --action-text: #17171b;
  --focus: #aaaab2;
}

* { box-sizing: border-box; }
html { background: var(--canvas); color: var(--text); font-family: "IBM Plex Sans", system-ui, sans-serif; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; min-height: 100svh; margin: 0; display: flex; flex-direction: column; }
a { color: inherit; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
.site-header, main, footer { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 20; padding: 9px 12px; border-radius: var(--radius-sm); background: var(--action); color: var(--action-text); font-size: 13px; text-decoration: none; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--line); }
.brand { min-width: 0; max-width: min(48vw, 430px); overflow-wrap: anywhere; flex: 0 1 auto; font-size: 15px; font-weight: 600; letter-spacing: -.025em; text-decoration: none; }
.brand span { margin-left: 2px; color: var(--text-faint); }
.header-actions { min-width: 0; display: flex; align-items: center; gap: 18px; }
nav { min-width: 0; display: flex; align-items: center; gap: 22px; }
nav a { min-height: 38px; display: inline-flex; align-items: center; color: var(--text-muted); font-size: 13px; text-decoration: none; white-space: nowrap; }
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { color: var(--text); }
nav .account-nav { padding-left: 22px; border-left: 1px solid var(--line); }
.theme-toggle { width: 36px; height: 36px; flex: 0 0 36px; display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 1px solid transparent; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); line-height: 0; cursor: pointer; }
.theme-toggle:hover { border-color: var(--line); background: var(--surface); color: var(--text); }
.theme-toggle svg { display: block; }
.theme-toggle [data-theme-icon][hidden] { display: none; }
main { flex: 1; }
.home-main { display: grid; align-content: center; padding-block: clamp(52px, 7vh, 84px); }
.hero { max-width: 850px; padding-bottom: clamp(48px, 6vh, 68px); }
.eyebrow { margin: 0 0 17px; color: var(--text-faint); font: 500 11px/1.45 "JetBrains Mono", monospace; letter-spacing: .09em; }
h1 { margin: 0; max-width: 900px; font-size: clamp(46px, 7.4vw, 82px); line-height: .98; letter-spacing: -.052em; font-weight: 600; text-wrap: balance; }
.lead { max-width: 720px; margin: 27px 0 26px; color: var(--text-muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.64; }
.hero-actions, .article-actions, .account-actions, .error-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; }
.primary-link, .text-link { display: inline-flex; align-items: center; gap: 10px; padding-bottom: 5px; border-bottom: 1px solid var(--text); font-size: 13px; font-weight: 500; text-decoration: none; }
.primary-link:hover, .text-link:hover { border-color: var(--text-faint); }
.quiet-link, .logout-link { color: var(--text-muted); font-size: 13px; text-decoration: none; }
.quiet-link:hover, .quiet-link:focus-visible, .logout-link:hover, .logout-link:focus-visible { color: var(--text); }
.logout-link { padding: 0; border: 0; background: transparent; cursor: pointer; }
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principles article { min-width: 0; padding: 30px 30px 32px 0; }
.principles article + article { padding-left: 30px; border-left: 1px solid var(--line); }
.principles span { color: var(--text-faint); font: 500 11px/1 "JetBrains Mono", monospace; }
h2 { margin: 18px 0 9px; font-size: 16px; line-height: 1.35; letter-spacing: -.02em; font-weight: 600; }
.principles p, .article-grid p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.72; }
.article { max-width: 940px; padding: clamp(68px, 9vh, 102px) 0 clamp(66px, 8vh, 92px); }
.article h1 { font-size: clamp(42px, 6.2vw, 70px); }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px; margin: 58px 0 50px; padding-top: 29px; border-top: 1px solid var(--line); }
.account-page { max-width: 940px; padding: clamp(68px, 9vh, 98px) 0 clamp(70px, 9vh, 100px); }
.account-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 36px; }
.account-heading h1 { font-size: clamp(42px, 6.8vw, 74px); }
.account-heading .lead { margin-bottom: 0; }
.status-mark { margin-top: 8px; padding: 7px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--text-muted); background: var(--surface-subtle); font: 500 11px/1 "JetBrains Mono", monospace; }
.account-details { margin: 54px 0 0; border-top: 1px solid var(--line); }
.account-details div { display: grid; grid-template-columns: minmax(160px, .55fr) minmax(0, 1.45fr); gap: 30px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.account-details dt { color: var(--text-faint); font: 500 11px/1.5 "JetBrains Mono", monospace; }
.account-details dd { margin: 0; font-size: 15px; overflow-wrap: anywhere; }
.account-actions { margin-top: 34px; }
.account-actions form { margin: 0; }
.error-page { max-width: 980px; padding: clamp(72px, 10vh, 112px) 0; }
.error-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: clamp(32px, 6vw, 78px); padding-bottom: 42px; border-bottom: 1px solid var(--line); }
.error-heading h1 { font-size: clamp(42px, 6.8vw, 74px); }
.error-heading .lead { max-width: 640px; margin-bottom: 0; }
.error-heading > span { color: var(--line-strong); font: 500 clamp(54px, 9vw, 104px)/.9 "JetBrains Mono", monospace; letter-spacing: -.08em; }
.error-actions { padding-top: 28px; }
footer { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: var(--text-faint); font: 500 11px/1.45 "JetBrains Mono", monospace; }
footer p { margin: 0; overflow-wrap: anywhere; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (min-width: 721px) and (max-height: 820px) {
  .site-header { min-height: 70px; }
  .home-main { padding-block: 34px; }
  .hero { padding-bottom: 38px; }
  .lead { margin-block: 21px; }
  .principles article { padding-top: 24px; padding-bottom: 26px; }
  footer { min-height: 62px; }
}

@media (max-width: 760px) {
  .site-header { min-height: auto; align-items: flex-start; padding-block: 18px; }
  .header-actions { align-items: flex-start; }
  nav { flex-wrap: wrap; justify-content: flex-end; gap: 8px 16px; }
  nav .account-nav { padding-left: 16px; }
  .home-main { align-content: start; padding-block: 58px 54px; }
  .principles { grid-template-columns: 1fr; }
  .principles article, .principles article + article { padding: 24px 0 26px; border-left: 0; }
  .principles article + article { border-top: 1px solid var(--line); }
  .article-grid { grid-template-columns: 1fr; gap: 0; }
  .article-grid section { padding: 22px 0 24px; border-bottom: 1px solid var(--line-soft); }
  .account-heading, .error-heading { grid-template-columns: 1fr; gap: 24px; }
  .status-mark { justify-self: start; margin-top: 0; }
  .error-heading > span { order: -1; font-size: 52px; }
}

@media (max-width: 560px) {
  .site-header, main, footer { width: min(100% - 28px, 1120px); }
  .site-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 18px; }
  .brand { max-width: 100%; align-self: center; }
  .header-actions { display: contents; }
  nav { grid-column: 1 / -1; grid-row: 2; width: 100%; display: grid; grid-template-columns: auto auto minmax(0, 1fr); justify-content: stretch; }
  nav a { min-height: 34px; }
  nav .account-nav { justify-self: end; }
  .theme-toggle { grid-column: 2; grid-row: 1; }
  h1 { font-size: clamp(40px, 14vw, 58px); }
  .lead { font-size: 16px; }
  .hero-actions, .article-actions, .account-actions, .error-actions { align-items: flex-start; }
  .article { padding-block: 56px 52px; }
  .article-grid { margin-top: 40px; }
  .account-page { padding-block: 56px 60px; }
  .account-details { margin-top: 44px; }
  .account-details div { grid-template-columns: 1fr; gap: 7px; }
  footer { min-height: auto; display: grid; gap: 7px; padding-block: 21px; }
}

@media (max-width: 360px) {
  nav { grid-template-columns: 1fr 1fr; }
  nav .account-nav { grid-column: 1 / -1; justify-self: start; padding-left: 0; border-left: 0; }
  .hero-actions, .article-actions, .account-actions, .error-actions { display: grid; justify-items: start; }
}