/* khalidsharafeldin.com. One stylesheet, no JavaScript. Layout follows docs/spec.md. */

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/plex-sans-400.v1.woff2") format("woff2");
  unicode-range: U+0000, U+000D, U+0020-007E, U+00A0-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2013-2014, U+2018-201A, U+201C-201E, U+2020-2022, U+2026, U+2030, U+2039-203A, U+2044, U+2074, U+20AC, U+2122, U+2212, U+FB01-FB02;
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/plex-sans-600.v1.woff2") format("woff2");
  unicode-range: U+0000, U+000D, U+0020-007E, U+00A0-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2013-2014, U+2018-201A, U+201C-201E, U+2020-2022, U+2026, U+2030, U+2039-203A, U+2044, U+2074, U+20AC, U+2122, U+2212, U+FB01-FB02;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/plex-mono-400.v1.woff2") format("woff2");
  unicode-range: U+0020-007E, U+00A0-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2013-2014, U+2018-201A, U+201C-201E, U+2020-2022, U+2026, U+2030, U+2039-203A, U+2044, U+20AC, U+2122, U+2212, U+FB01-FB02;
}

/* Vellum paper, drafting ink, graphite, and one signal orange.
   Contrast on paper: ink 14:1, graphite 6.9:1, signal 4.9:1 (light); 14:1, 7.6:1, 6.8:1 (dark). */
:root {
  color-scheme: light dark;
  --paper: #f2f3ef;
  --ink: #1d2228;
  --graphite: #4c545d;
  --rule: #c9cdcf;
  --signal: #b84200;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15181c;
    --ink: #e3e5e7;
    --graphite: #a3aab1;
    --rule: #30363d;
    --signal: #ff7a29;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-kerning: normal;
}

h1, h2, h3, p, dl, dd, ol, ul {
  margin: 0;
}

ol, ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--signal);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  overflow-wrap: anywhere;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 1px;
}

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

/* The sheet */

.sheet {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(2rem, 7vw, 5.5rem) var(--gutter) 2.5rem;
}

/* Masthead: the name, the headline, and a title block like the one in the corner of a drawing */

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 21rem);
  gap: 2.5rem clamp(2rem, 5vw, 5rem);
  align-items: end;
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

h1 {
  font-weight: 600;
  font-size: clamp(2.5rem, 1.5rem + 4.6vw, 5.25rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.headline {
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
  max-width: 30ch;
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
  text-wrap: balance;
}

.titleblock {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1.5px solid var(--ink);
}

.titleblock > div {
  min-width: 0;
  padding: 0.5rem 0.75rem 0.65rem;
  border-top: 1px solid var(--ink);
}

.titleblock > div:first-child {
  border-top: 0;
}

.titleblock > div:nth-child(3) {
  border-left: 1px solid var(--ink);
}

.titleblock > .wide {
  grid-column: 1 / -1;
}

.titleblock dt,
.contact dt {
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--graphite);
}

.titleblock dd {
  margin-top: 0.15rem;
  font-size: 1rem;
  line-height: 1.4;
}

/* Parts: a label in the left column, content on the right */

.part {
  display: grid;
  grid-template-columns: 12rem minmax(0, 44rem);
  gap: 1rem clamp(1.5rem, 4vw, 3.5rem);
  padding-block: 2.25rem 2.75rem;
  border-top: 1px solid var(--rule);
}

.part > h2 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.8125rem;
  line-height: 1.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
}

.body > * + * {
  margin-top: 1.5rem;
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.6;
}

.item p,
.roles p,
.body > p {
  max-width: 62ch;
}

.item h3 + p {
  margin-top: 0.15rem;
}

.note {
  color: var(--graphite);
}

/* Experience */

.roles > li + li {
  margin-top: 1.75rem;
}

.dates {
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--graphite);
}

.org {
  font-weight: 400;
}

.roles h3 + p {
  margin-top: 0.15rem;
}

/* Certifications */

.certs > li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) auto;
  gap: 0.1rem 1rem;
  align-items: baseline;
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.body.certs > * + * {
  margin-top: 0;
}

.certs > li:first-child {
  padding-top: 0;
}

.certs > li:last-child {
  border-bottom: 0;
}

.code {
  font-family: var(--mono);
  font-size: 0.875rem;
}

.meta {
  color: var(--graphite);
  text-align: right;
  white-space: nowrap;
}

/* Contact */

.contact > div {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 0 1rem;
  align-items: baseline;
}

.body.contact > * + * {
  margin-top: 0.5rem;
}

/* Footer */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.875rem;
  color: var(--graphite);
}

.foot a {
  font-family: var(--mono);
}

/* 404 */

.lost {
  max-width: 40rem;
  padding-bottom: 3rem;
}

.lost p {
  margin-top: 1.25rem;
}

/* Narrow screens: one column, labels above their content */

@media (max-width: 52rem) {
  .masthead {
    grid-template-columns: minmax(0, 1fr);
  }

  .titleblock {
    max-width: 26rem;
  }
}

@media (max-width: 45rem) {
  .part {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    padding-block: 1.75rem 2.25rem;
  }
}

@media (max-width: 34rem) {
  .certs > li {
    grid-template-columns: 4.5rem minmax(0, 1fr);
  }

  .meta {
    grid-column: 2;
    text-align: left;
    white-space: normal;
  }
}

@media (max-width: 26rem) {
  .contact > div {
    grid-template-columns: minmax(0, 1fr);
  }
}