/* Natwan Logan — personal site
   Palette: ink #1F3A3D, paper #F6F8F7, sage #8FA89B, brass #9C7A34, rule #D5DDD9 */
:root {
  --ink: #1F3A3D;
  --ink-soft: #46605F;
  --paper: #F6F8F7;
  --sage: #8FA89B;
  --sage-wash: #E7EEEA;
  --brass: #9C7A34;
  --rule: #D5DDD9;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", "Segoe UI", Arial, sans-serif;
  --measure: 40rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.65;
}

a { color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 2px; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--ink); color: var(--paper); padding: .5rem .75rem; z-index: 10; }

/* Header */
.site-header {
  max-width: 64rem; margin: 0 auto; padding: 1.5rem 1.25rem;
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  font-family: var(--sans); font-size: .95rem;
}
.site-header .home { font-weight: 600; text-decoration: none; letter-spacing: .01em; }
.site-header nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-header nav a { text-decoration: none; color: var(--ink-soft); }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--brass); }

main { max-width: 64rem; margin: 0 auto; padding: 0 1.25rem 4rem; }

/* Hero: the name is the design */
.hero { padding: 4rem 0 3rem; border-bottom: 1px solid var(--rule); }
.hero h1 {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(3.25rem, 11vw, 7.5rem);
  line-height: .95; letter-spacing: -.025em; margin: 0;
}
.hero h1 span { display: block; font-weight: 600; }
.hero .role {
  font-family: var(--sans); font-size: 1.125rem; line-height: 1.5;
  margin: 1.75rem 0 0; max-width: 34rem; color: var(--ink-soft);
}
.hero .role strong { color: var(--ink); font-weight: 600; }

/* Two-column sections: heading in the margin, text in the measure */
.section {
  display: grid; grid-template-columns: 13rem minmax(0, var(--measure));
  gap: 2.5rem; padding: 3rem 0; border-bottom: 1px solid var(--rule);
}
.section > h2 {
  font-family: var(--sans); font-size: 1rem; font-weight: 600;
  margin: .35rem 0 0; color: var(--ink-soft);
}
.section p { margin: 0 0 1.1em; }
.section p:last-child { margin-bottom: 0; }

/* Career record: a real sequence, so years sit in the gutter */
.record { list-style: none; margin: 0; padding: 0; }
.record li {
  display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 1.25rem;
  padding: 0 0 1.75rem; position: relative;
}
.record li:last-child { padding-bottom: 0; }
.record .years { font-family: var(--sans); font-size: .9rem; color: var(--ink-soft); padding-top: .3rem; font-variant-numeric: tabular-nums; }
.record h3 { font-size: 1.25rem; font-weight: 600; margin: 0; line-height: 1.35; }
.record .org { font-family: var(--sans); font-size: .95rem; color: var(--ink-soft); margin: .15rem 0 .5rem; }
.record ul { margin: 0; padding-left: 1.1rem; }
.record ul li { display: list-item; padding: 0; font-size: 1.05rem; }
.record .current h3::after {
  content: "Current"; font-family: var(--sans); font-size: .75rem; font-weight: 600;
  color: var(--ink); background: var(--sage-wash); border: 1px solid var(--sage);
  border-radius: 999px; padding: .1rem .55rem; margin-left: .6rem; vertical-align: .2em;
}

.degrees { list-style: none; margin: 0; padding: 0; }
.degrees li { padding: 0 0 1rem; }
.degrees strong { font-weight: 600; }
.degrees span { display: block; font-family: var(--sans); font-size: .95rem; color: var(--ink-soft); }

.focus { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; }
.focus li { font-family: var(--sans); font-size: .9rem; border: 1px solid var(--rule); background: #fff; padding: .3rem .75rem; border-radius: 4px; }

.writing { list-style: none; margin: 0; padding: 0; }
.writing li { padding: 0 0 1.5rem; }
.writing a { font-size: 1.25rem; font-weight: 600; text-decoration: none; }
.writing a:hover { text-decoration: underline; text-decoration-color: var(--brass); }
.writing p { margin: .25rem 0 0; font-size: 1.05rem; color: var(--ink-soft); }

/* Article pages */
.article { max-width: var(--measure); padding: 3.5rem 0 2rem; }
.article h1 { font-weight: 600; font-size: clamp(2rem, 5vw, 2.9rem); line-height: 1.15; letter-spacing: -.015em; margin: 0 0 1rem; }
.article .byline { font-family: var(--sans); font-size: .95rem; color: var(--ink-soft); margin: 0 0 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--rule); }
.article h2 { font-size: 1.4rem; font-weight: 600; margin: 2.25rem 0 .5rem; }
.article p { margin: 0 0 1.15em; }
.article .about-author { margin-top: 3rem; padding: 1.25rem 1.5rem; background: var(--sage-wash); border-left: 3px solid var(--sage); font-size: 1.05rem; }

footer {
  max-width: 64rem; margin: 0 auto; padding: 2rem 1.25rem 3rem;
  font-family: var(--sans); font-size: .9rem; color: var(--ink-soft);
}

@media (max-width: 760px) {
  body { font-size: 1.0625rem; }
  .hero { padding: 2.5rem 0 2rem; }
  .section { grid-template-columns: minmax(0, 1fr); gap: .75rem; padding: 2.25rem 0; }
  .record li { grid-template-columns: minmax(0, 1fr); gap: .1rem; }
  .record .years { padding-top: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero h1 { animation: settle .9s cubic-bezier(.2,.7,.2,1) both; }
  @keyframes settle { from { opacity: 0; letter-spacing: .02em; } to { opacity: 1; letter-spacing: -.025em; } }
}