@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("./assets/fonts/ibm-plex-sans-arabic-300.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("./assets/fonts/ibm-plex-sans-arabic-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("./assets/fonts/ibm-plex-sans-arabic-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("./assets/fonts/ibm-plex-sans-arabic-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("./assets/fonts/ibm-plex-sans-300.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("./assets/fonts/ibm-plex-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("./assets/fonts/ibm-plex-sans-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("./assets/fonts/ibm-plex-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("./assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("./assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0b0d0f;
  --surface: #111418;
  --surface-2: #161a1f;
  --surface-3: #1b2025;
  --text: #f1f0eb;
  --muted: #9a9da1;
  --faint: #787e84;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.22);
  --accent: #c7ff4a;
  --accent-ink: #101407;
  --header-bg: rgba(11, 13, 15, 0.82);
  --font: "IBM Plex Sans Arabic", "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max-width: 1240px;
}

[data-theme="light"] {
  --bg: #f3f2ed;
  --surface: #e9e8e2;
  --surface-2: #deddd6;
  --surface-3: #d4d3cb;
  --text: #17191b;
  --muted: #5f6368;
  --faint: #656a70;
  --line: rgba(10, 12, 14, 0.12);
  --line-strong: rgba(10, 12, 14, 0.25);
  --accent: #455f00;
  --accent-ink: #f5ffd9;
  --header-bg: rgba(243, 242, 237, 0.84);
}

html[lang="en"] { --font: "IBM Plex Sans", system-ui, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s ease, color .3s ease;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
section[id] { scroll-margin-top: 92px; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  inset-inline-start: 12px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-ink);
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }
.page-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .11;
  mask-image: linear-gradient(to bottom, #000 0, transparent 42%);
}

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  height: 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 42px;
}
.site-header::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0 0 auto;
  height: 80px;
  background: var(--header-bg);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color .25s ease;
}
.site-header.scrolled::before { border-color: var(--line); }
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-inline-end: auto;
  font-weight: 500;
  white-space: nowrap;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 18px;
}
.nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 13px; }
.nav a { transition: color .2s ease; }
.nav a:hover, .nav a:focus-visible { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .language-toggle {
  width: 38px;
  height: 38px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease;
}
.language-toggle { width: auto; min-width: 38px; padding-inline: 9px; font: 11px var(--mono); }
.theme-toggle:hover, .language-toggle:hover { border-color: var(--line-strong); background: var(--surface); }
.theme-toggle svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.section { max-width: var(--max-width); margin: 0 auto; padding: 112px 24px; }
.hero {
  min-height: 730px;
  padding-top: 164px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
}
.eyebrow, .section-index, .project-meta, .library-label, .visual-label {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.eyebrow, .section-index { margin: 0 0 24px; }
.hero h1, .section-heading h2, .about h2, .contact h2 {
  margin: 0;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -.045em;
}
.hero h1 { font-size: clamp(50px, 6.3vw, 88px); }
.hero h1 span { color: var(--muted); }
.hero-lead {
  max-width: 670px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 300;
  line-height: 1.9;
}
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.button {
  min-height: 52px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 500;
  transition: transform .2s ease, filter .2s ease;
}
.button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.button-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.button-primary:hover { transform: translateY(-2px); filter: brightness(1.03); }
.text-link, .contact-github { padding-bottom: 4px; border-bottom: 1px solid var(--line-strong); color: var(--muted); font: 13px var(--mono); direction: ltr; }

.profile-facts {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-strong);
  border-inline-start: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  box-shadow: 0 28px 70px rgba(0, 0, 0, .18);
}
.fact { min-height: 128px; padding: 24px; border-inline-end: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.fact-wide { grid-column: 1 / -1; min-height: 154px; }
.fact dt { color: var(--faint); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.fact dd { margin: 20px 0 0; font: 500 clamp(17px, 2vw, 22px) var(--mono); direction: ltr; text-align: start; }
.fact dd span { color: var(--accent); }
.fact .fact-desc { max-width: 390px; margin: 12px 0 0; color: var(--muted); font: 400 14px/1.7 var(--font); direction: inherit; }
.fact-footer { min-height: auto; display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: 12px; }
.fact-footer dd { margin: 0; font: 400 13px var(--font); direction: inherit; }

.section-heading {
  margin-bottom: 58px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: start;
}
.section-heading .section-index { grid-column: 1 / -1; margin-bottom: 0; }
.section-heading h2, .about h2, .contact h2 { font-size: clamp(38px, 4.6vw, 64px); }
.section-heading > p:last-child { max-width: 450px; margin: 6px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }

.feature-case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--surface);
}
.feature-copy { padding: clamp(32px, 5vw, 62px); }
.project-meta { display: flex; justify-content: space-between; gap: 20px; }
.feature-copy h3 { margin: 46px 0 18px; font-size: clamp(35px, 4.2vw, 54px); font-weight: 400; line-height: 1.16; letter-spacing: -.035em; }
.feature-lead { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.fact-list { margin-top: 32px; border-top: 1px solid var(--line); }
.fact-list div { padding: 15px 0; display: grid; grid-template-columns: 118px 1fr; gap: 18px; border-bottom: 1px solid var(--line); }
.fact-list b { font-weight: 500; font-size: 13px; }
.fact-list span { color: var(--muted); font-size: 13px; line-height: 1.7; }
.project-status { margin: 25px 0 0; padding-inline-start: 14px; border-inline-start: 2px solid var(--accent); color: var(--muted); font-size: 13px; line-height: 1.8; }
.inline-links { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 28px; }
.inline-links a { padding-bottom: 5px; border-bottom: 1px solid var(--line-strong); font-size: 13px; }
.inline-links span { color: var(--accent); }

.generation-model {
  min-height: 610px;
  padding: clamp(28px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-inline-start: 1px solid var(--line);
  background-color: var(--surface-2);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
}
.visual-label { margin: 0 0 34px; }
.pipeline { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; direction: ltr; }
.pipeline-node { min-height: 138px; padding: 17px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line-strong); background: var(--surface); }
.pipeline-node small { color: var(--faint); font: 9px var(--mono); letter-spacing: .06em; }
.pipeline-node b { font: 500 12px/1.65 var(--mono); }
.pipeline-active { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.pipeline-active small { color: color-mix(in srgb, var(--accent-ink) 65%, transparent); }
.pipeline-arrow { color: var(--faint); font: 16px var(--mono); }
.provider-list { margin: 22px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; direction: ltr; list-style: none; }
.provider-list li { padding: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font: 10px var(--mono); }
.generated-note { margin-top: 24px; color: var(--faint); font: 10px var(--mono); direction: ltr; }
.generated-note i { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--accent); }

.accounting-case { margin-top: 22px; display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid var(--line); background: var(--surface); }
.case-title { padding: clamp(30px, 4.5vw, 54px); }
.case-title h3 { margin: 44px 0 14px; font-size: clamp(30px, 3.8vw, 48px); font-weight: 400; line-height: 1.2; letter-spacing: -.03em; }
.case-title > p { margin: 0; color: var(--muted); line-height: 1.9; }
.tags { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 7px; direction: ltr; justify-content: flex-end; }
.tags span { padding: 6px 8px; border: 1px solid var(--line); color: var(--faint); font: 9px var(--mono); }
.case-details { border-inline-start: 1px solid var(--line); }
.case-details div { min-height: 150px; padding: 30px; display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: start; border-bottom: 1px solid var(--line); }
.case-details div:last-child { border-bottom: 0; }
.case-details span { color: var(--faint); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.case-details p { margin: 0; color: var(--muted); line-height: 1.85; }

.open-source, .decisions, .about { border-top: 1px solid var(--line); }
.library-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.library-card { border: 1px solid var(--line); background: var(--surface); }
.library-paired { grid-column: 1 / -1; padding: clamp(30px, 4.8vw, 58px); }
.library-card h3 { margin: 32px 0 15px; font-size: clamp(28px, 3.6vw, 44px); font-weight: 400; line-height: 1.2; letter-spacing: -.03em; }
.library-card > p { max-width: 700px; margin: 0; color: var(--muted); line-height: 1.85; }
.paired-projects { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-inline-start: 1px solid var(--line); }
.paired-projects a { position: relative; min-height: 180px; padding: 24px; display: flex; flex-direction: column; border-inline-end: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background-color .2s ease; }
.paired-projects a:hover { background: var(--surface-2); }
.paired-projects span { color: var(--faint); font: 9px var(--mono); text-transform: uppercase; }
.paired-projects b { margin-top: 28px; font: 500 23px var(--mono); direction: ltr; text-align: start; }
.paired-projects small { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.paired-projects i { position: absolute; top: 20px; inset-inline-end: 22px; color: var(--accent); font-style: normal; }
.library-link { min-height: 310px; padding: 30px; display: flex; flex-direction: column; transition: transform .2s ease, background-color .2s ease; }
.library-link:hover { transform: translateY(-3px); background: var(--surface-2); }
.library-link h3 { font-family: var(--mono); direction: ltr; text-align: start; }
.card-action { margin-top: auto; padding-top: 28px; color: var(--faint); font-size: 12px; }
.github-more { margin-top: 18px; padding: 19px 0; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); }
.github-more span { color: var(--accent); transition: transform .2s ease; }
.github-more:hover span { transform: translate(-3px, -3px); }

.decision-list { border-top: 1px solid var(--line); }
.decision { padding: 34px 0; display: grid; grid-template-columns: 80px 1fr 130px; gap: 24px; border-bottom: 1px solid var(--line); align-items: start; }
.decision > span, .decision > b { color: var(--faint); font: 10px var(--mono); letter-spacing: .05em; }
.decision > b { text-align: end; font-weight: 400; }
.decision h3 { margin: 0 0 9px; font-size: clamp(21px, 2.4vw, 29px); font-weight: 400; }
.decision p { max-width: 720px; margin: 0; color: var(--muted); line-height: 1.8; }

.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; }
.about-copy { padding-top: 45px; }
.about-copy > p { color: var(--muted); line-height: 1.95; }
.about-copy .large-copy { margin-top: 0; color: var(--text); font-size: clamp(20px, 2.3vw, 29px); font-weight: 300; line-height: 1.75; }
.capabilities { margin-top: 44px; padding-top: 25px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; border-top: 1px solid var(--line); }
.capabilities span { color: var(--faint); font: 10px var(--mono); text-transform: uppercase; }
.capabilities p { color: var(--muted); font-size: 14px; line-height: 2; }

.contact { margin-bottom: 80px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: end; border: 1px solid var(--line); background: var(--surface); }
.contact-side p { max-width: 420px; margin: 0 0 26px; color: var(--muted); line-height: 1.8; }
.contact-github { display: block; width: max-content; margin-top: 20px; }
.site-footer { max-width: var(--max-width); margin: 0 auto; padding: 28px 24px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }
.site-footer p { margin: 0; }
.site-footer div { display: flex; gap: 22px; }
.site-footer > a:last-child { justify-self: end; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s cubic-bezier(.22, 1, .36, 1); }
.js .reveal.visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .1s; }

@media (max-width: 980px) {
  .site-header { gap: 20px; }
  .nav { gap: 18px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 145px; }
  .profile-facts { max-width: 680px; }
  .section-heading, .about-layout, .contact { grid-template-columns: 1fr; }
  .section-heading > p:last-child { margin-top: 0; }
  .feature-case, .accounting-case { grid-template-columns: 1fr; }
  .generation-model, .case-details { border-inline-start: 0; border-top: 1px solid var(--line); }
  .generation-model { min-height: 500px; }
}

@media (max-width: 720px) {
  .site-header, .site-header::before { height: 68px; }
  .site-header { padding: 0 16px; }
  .nav { display: none; }
  .section { padding: 86px 16px; }
  .hero { padding-top: 125px; }
  .hero h1 { font-size: clamp(42px, 12.2vw, 60px); }
  .hero-lead { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .section-heading { margin-bottom: 42px; }
  .fact-list div, .case-details div { grid-template-columns: 1fr; gap: 8px; }
  .generation-model { min-height: auto; padding: 30px 20px; }
  .pipeline { grid-template-columns: 1fr; gap: 8px; }
  .pipeline-arrow { transform: rotate(90deg); justify-self: center; }
  .pipeline-node { min-height: 105px; }
  .library-grid { grid-template-columns: 1fr; }
  .library-paired { grid-column: auto; }
  .paired-projects { grid-template-columns: 1fr; }
  .decision { grid-template-columns: 36px 1fr; gap: 10px; }
  .decision > b { display: none; }
  .capabilities { grid-template-columns: 1fr; }
  .contact { margin-inline: 16px; padding: 58px 24px; }
  .site-footer { margin-inline: 16px; grid-template-columns: 1fr; gap: 14px; }
  .site-footer div { flex-wrap: wrap; }
  .site-footer > a:last-child { justify-self: start; }
}

@media (max-width: 430px) {
  .brand > span:last-child { display: none; }
  .profile-facts { grid-template-columns: 1fr; }
  .fact-wide { grid-column: auto; }
  .fact-footer { grid-template-columns: 1fr; }
  .provider-list { grid-template-columns: 1fr; }
  .feature-copy, .case-title, .library-card { padding: 26px; }
  .project-meta { flex-direction: column; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}