@font-face {
  font-family: "Cairo";
  font-style: normal;
  font-weight: 200 1000;
  font-display: swap;
  src: url("fonts/Cairo-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Plex Arabic";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/IBMPlexSansArabic-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Plex Arabic";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/IBMPlexSansArabic-Medium.woff2") format("woff2");
}

@font-face {
  font-family: "Plex Arabic";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/IBMPlexSansArabic-SemiBold.woff2") format("woff2");
}

/* Foundation */
:root {
  --paper: #F6F6F3;
  --paper-deep: #EEEEE8;
  --ink: #16191E;
  --ink-2: #3A3F47;
  --muted: #6B7178;
  --rule: #CBD5E0;
  --rule-soft: #E1E7ED;
  --red: #C8302B;
  --red-deep: #9A231F;
  --font-display: "Cairo", sans-serif;
  --font-body: "Plex Arabic", sans-serif;
  --margin-w: clamp(7rem, 12vw, 10rem);
  --content-max: 66rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --topbar-h: 3.5rem;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font: 400 1rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--red);
  color: var(--paper);
}

*:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.skip:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip:focus {
  position: fixed;
  inset-block-start: .75rem;
  inset-inline-start: .75rem;
  z-index: 100;
  padding: .6rem .9rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1.5px;
  text-underline-offset: .2em;
}

a:hover,
a:focus-visible {
  color: var(--red-deep);
  text-decoration-color: var(--red);
}

.sep {
  color: var(--red);
}

strong {
  color: var(--ink);
  font-weight: 600;
}

time,
.entry-when,
.fact dd {
  font-variant-numeric: tabular-nums;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-inline: var(--gutter);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.brand {
  color: var(--ink);
  font: 800 1rem/1 var(--font-display);
  text-decoration: none;
}

.topbar-nav {
  display: flex;
  gap: 1.25rem;
  margin-inline-start: auto;
}

.topbar-nav a {
  color: var(--ink-2);
  font: 500 .9rem/1 var(--font-body);
  text-decoration: none;
}

.topbar-nav a:hover,
.topbar-nav a:focus-visible {
  color: var(--red-deep);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang {
  font: 600 .9rem/1 var(--font-body);
  text-decoration: none;
}

/* Ledger sheet */
.sheet {
  position: relative;
  max-width: calc(var(--margin-w) + var(--content-max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sheet::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: calc(var(--gutter) + var(--margin-w));
  width: 2px;
  background: var(--red);
}

.hero,
.section,
.footer {
  display: grid;
  grid-template-columns: var(--margin-w) minmax(0, 1fr);
}

.hero-body,
.section-body {
  padding-inline-start: var(--gutter);
}

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--rule);
}

.footer p {
  grid-column: 2;
  margin: 0;
  padding-block: 2rem 3.5rem;
  padding-inline-start: var(--gutter);
  color: var(--muted);
  font-size: .85rem;
}

.section-title {
  position: sticky;
  top: calc(var(--topbar-h) + 1.5rem);
  align-self: start;
  margin: 0;
  padding-inline-end: 1rem;
  color: var(--ink);
  font: 800 .9rem/1.2 var(--font-display);
  letter-spacing: .14em;
  text-align: end;
  text-transform: uppercase;
}

/* Hero */
.hero {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(2.5rem, 5vw, 4rem);
}

.hero-margin {
  position: relative;
}

.margin-name {
  position: absolute;
  top: .25rem;
  inset-inline-end: 1rem;
  color: var(--rule);
  font: 900 clamp(1.4rem, 2.6vw, 2rem)/1 var(--font-display);
  letter-spacing: 0;
  text-decoration: none;
  text-orientation: mixed;
  white-space: nowrap;
  writing-mode: vertical-rl;
}

.margin-name:hover,
.margin-name:focus-visible {
  color: var(--red);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font: 500 .8rem/1.4 var(--font-body);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.display {
  margin: .5rem 0 1.25rem;
  color: var(--ink);
  font: 900 clamp(3.25rem, 11vw, 8.5rem)/.92 var(--font-display);
  letter-spacing: -.03em;
}

.display-line {
  display: block;
}

.thesis {
  max-width: 26ch;
  margin: 0;
  color: var(--ink-2);
  font: 600 clamp(1.25rem, 2.4vw, 1.75rem)/1.35 var(--font-display);
}

.facts {
  max-width: 40rem;
  margin: 2.5rem 0 0;
}

.fact {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: .7rem;
  border-top: 1px solid var(--rule);
}

.fact:last-child {
  border-bottom: 1px solid var(--rule);
}

.fact dt {
  margin: 0;
  color: var(--muted);
  font: 500 .78rem/1.6 var(--font-body);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.fact dd {
  margin: 0;
  color: var(--ink);
  font-weight: 500;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: .7rem 1.2rem;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  background: var(--ink);
  color: var(--paper);
  font: 600 .95rem/1 var(--font-body);
  text-decoration: none;
  transition: background .15s, border-color .15s, color .15s;
}

.btn:hover,
.btn:focus-visible {
  border-color: var(--red);
  background: var(--red);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--red);
  background: transparent;
  color: var(--red-deep);
}

.btn-small {
  padding: .45rem .85rem;
  font-size: .8rem;
}

/* Content */
.lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.7;
}

.entry {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 0 1.5rem;
  padding-block: 1.75rem;
  border-top: 1px solid var(--rule);
}

.entry:first-child {
  padding-top: 0;
  border-top: 0;
}

.entry-when {
  margin: 0;
  padding-top: .4rem;
  color: var(--muted);
  font: 500 .85rem/1.5 var(--font-body);
  white-space: nowrap;
}

.entry-title {
  margin: 0;
  color: var(--ink);
  font: 700 clamp(1.15rem, 2vw, 1.4rem)/1.3 var(--font-display);
}

.entry-org {
  margin: .25rem 0 .9rem;
  font-size: .95rem;
  font-weight: 500;
}

.entry-points {
  margin: 0;
  padding-inline-start: 1.1rem;
}

.entry-points li {
  margin-bottom: .4rem;
  padding-inline-start: .25rem;
}

.entry-points li::marker {
  color: var(--red);
}

.skills {
  margin: 0;
}

.skill {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.5rem;
  padding-block: 1rem;
  border-top: 1px solid var(--rule);
}

.skill:first-child {
  padding-top: 0;
  border-top: 0;
}

.skill dt {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.skill dd {
  margin: 0;
}

.contact {
  margin-top: 0;
}

/* Arabic */
html[lang="ar"] body {
  font-size: 1.0625rem;
  line-height: 1.85;
}

html[lang="ar"] .display {
  font-size: clamp(3rem, 10vw, 7.5rem);
  line-height: 1.15;
  letter-spacing: 0;
}

html[lang="ar"] .eyebrow,
html[lang="ar"] .fact dt,
html[lang="ar"] .section-title {
  letter-spacing: 0;
  text-transform: none;
}

html[lang="ar"] .section-title {
  font-size: 1rem;
}

html[lang="ar"] .eyebrow,
html[lang="ar"] .fact dt {
  font-size: .9rem;
}

html[lang="ar"] .thesis {
  line-height: 1.6;
}

html[lang="ar"] .lede,
html[lang="ar"] .entry-points,
html[lang="ar"] .skill dd {
  line-height: 1.9;
}

html[lang="ar"] .margin-name {
  letter-spacing: 0;
}

/* Responsive */
@media (max-width: 800px) {
  :root {
    --margin-w: 0px;
  }

  .sheet {
    padding-inline: 1.25rem;
  }

  .sheet::before {
    inset-inline-start: 0;
  }

  .hero,
  .section,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero-body,
  .section-body {
    padding-inline-start: 0;
  }

  .hero-margin {
    display: none;
  }

  .section-title {
    position: static;
    margin-bottom: 1.25rem;
    padding: 0;
    text-align: start;
  }

  .footer p {
    grid-column: 1;
    padding-inline-start: 0;
  }

  .entry,
  .skill,
  .fact {
    grid-template-columns: 1fr;
    gap: .25rem 0;
  }

  .entry-when {
    margin-bottom: .35rem;
    padding-top: 0;
  }

  .hero {
    padding-block: 3rem 2.5rem;
  }
}

@media (max-width: 640px) {
  .topbar-nav {
    display: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .sheet::before {
    transform-origin: top;
    animation: draw 1.1s cubic-bezier(.2, .7, .2, 1) both;
  }

  .eyebrow,
  .display-line,
  .thesis,
  .facts,
  .actions {
    animation: rise .7s cubic-bezier(.2, .7, .2, 1) both;
  }

  .eyebrow {
    animation-delay: .05s;
  }

  .display-line:nth-child(1) {
    animation-delay: .15s;
  }

  .display-line:nth-child(2) {
    animation-delay: .25s;
  }

  .thesis {
    animation-delay: .4s;
  }

  .facts {
    animation-delay: .5s;
  }

  .actions {
    animation-delay: .6s;
  }

  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(.6rem);
    }

    to {
      opacity: 1;
      transform: none;
    }
  }

  @keyframes draw {
    from {
      transform: scaleY(0);
    }

    to {
      transform: scaleY(1);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  .topbar,
  .actions,
  .hero-margin,
  .footer,
  .skip {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section-title {
    position: static;
  }

  @page {
    margin: 16mm;
  }
}