/* pserrano.net — one stylesheet, no build step.
   Fonts: Newsreader (display) + Public Sans (text), both SIL OFL 1.1, self-hosted latin subsets. */

@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/fonts/newsreader-latin-wght-5.3.0.woff2") format("woff2");
}

@font-face {
  font-family: "Public Sans";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/public-sans-latin-wght-5.3.0.woff2") format("woff2");
}

:root {
  color-scheme: light dark;

  --bg: #f6f4ef;
  --bg-raised: #eeeae2;
  --ink: #1d1c1a;
  --ink-2: #47443e;
  --ink-3: #656159;
  --rule: #d6d0c4;
  --accent: #a3361f;
  --on-accent: #ffffff;

  --font-display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-text: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --measure: 68ch;
  --gutter: clamp(1rem, 5vw, 3rem);
  --rail: 12rem;
  --section-gap: clamp(3.5rem, 8vw, 6rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131211;
    --bg-raised: #1b1a18;
    --ink: #ece8e0;
    --ink-2: #c4bfb5;
    --ink-3: #9c978d;
    --rule: #36332e;
    --accent: #f0916f;
    --on-accent: #131211;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-feature-settings: "kern";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

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

ul,
ol {
  padding: 0;
}

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent);
  text-decoration-thickness: 2px;
}

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0.75rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

.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;
}

.wrap {
  width: 100%;
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
}

.masthead .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.1rem;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 560;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.wordmark:hover {
  color: inherit;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding-block: 0.35rem;
  color: var(--ink-2);
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent);
}

@media (max-width: 34rem) {
  .site-nav {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(3.5rem, 11vw, 8.5rem) clamp(3rem, 8vw, 6rem);
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 430;
  font-size: clamp(3rem, 10.5vw, 6.75rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
}

.hero-role {
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-2);
}

.amp {
  color: var(--accent);
  font-style: normal;
}

.hero-pitch {
  max-width: 40rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  font-size: clamp(1.0625rem, 1.9vw, 1.25rem);
  line-height: 1.6;
  color: var(--ink);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 2.25rem;
}

.place {
  flex-basis: 100%;
  color: var(--ink-3);
  font-size: 0.9375rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  font-size: 0.9375rem;
  font-weight: 560;
  text-decoration: none;
}

.button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.button--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.button--primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.icon {
  width: 0.85em;
  height: 0.85em;
  flex: none;
}

/* ---------- Sections ---------- */

.section {
  display: grid;
  gap: 1.25rem;
  padding-block: 2rem var(--section-gap);
  border-top: 1px solid var(--rule);
}

/* Narrow screens: sections open with a display heading. Wide screens: a small-caps rail label. */
.section-label {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 2.125rem);
  font-weight: 450;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

@media (min-width: 56rem) {
  .section-label {
    font-family: var(--font-text);
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-3);
  }

  .section {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 2rem;
    padding-top: 2.5rem;
  }

  .section-label {
    position: sticky;
    top: 2rem;
    align-self: start;
    padding-top: 0.3rem;
  }
}

.section-body {
  min-width: 0;
  max-width: 52rem;
}

/* ---------- Experience ---------- */

.role + .role {
  margin-top: clamp(2.75rem, 6vw, 3.75rem);
}

.role-head {
  display: grid;
  gap: 0.15rem 1.5rem;
}

@media (min-width: 40rem) {
  .role-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
  }

  .role-when {
    grid-column: 2;
    grid-row: 1;
    text-align: right;
    white-space: nowrap;
  }
}

.role-org {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.role-title {
  color: var(--ink-2);
  font-weight: 560;
}

.role-when {
  color: var(--ink-3);
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
}

.role-lede {
  max-width: var(--measure);
  margin-top: 1rem;
  color: var(--ink-2);
}

.points {
  max-width: var(--measure);
  margin-top: 1.25rem;
  list-style: none;
}

.points li {
  position: relative;
  padding-left: 1.4rem;
}

.points li + li {
  margin-top: 0.7rem;
}

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 0.6rem;
  height: 1px;
  background: var(--accent);
}

/* Featured role */

.role--featured {
  padding: clamp(1.25rem, 4vw, 2.25rem);
  background: var(--bg-raised);
  border-top: 3px solid var(--accent);
}

.role--featured .role-org {
  font-size: clamp(1.875rem, 4.5vw, 2.5rem);
}

.figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1.25rem 2rem;
  margin-top: 1.75rem;
  padding-block: 1.25rem;
  border-block: 1px solid var(--rule);
  list-style: none;
}

.figure-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 450;
  font-size: clamp(2.25rem, 5vw, 2.75rem);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: lining-nums;
  color: var(--accent);
}

.figure-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--ink-2);
}

/* ---------- Publications & recognition ---------- */

.subhead {
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.subhead + .entries {
  margin-top: 1rem;
}

.entries + .subhead {
  margin-top: 3rem;
}

.entries {
  list-style: none;
  border-top: 1px solid var(--rule);
}

.entry {
  display: grid;
  gap: 0.25rem 1.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 40rem) {
  .entry {
    grid-template-columns: 6.5rem minmax(0, 1fr);
  }
}

.entry-when {
  padding-top: 0.2rem;
  color: var(--ink-3);
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
}

.entry-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3125rem;
  line-height: 1.3;
  max-width: 44ch;
}

.entry-detail {
  max-width: var(--measure);
  margin-top: 0.35rem;
  color: var(--ink-2);
}

.tag {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Skills ---------- */

.skills {
  display: grid;
  gap: 1.75rem 2.5rem;
}

@media (min-width: 40rem) {
  .skills {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.skills dt {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.1875rem;
  line-height: 1.3;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--rule);
}

.skills dd {
  margin-top: 0.6rem;
  color: var(--ink-2);
  font-size: 0.96875rem;
  line-height: 1.65;
}

/* ---------- Education ---------- */

.schools {
  display: grid;
  gap: 2rem 2.5rem;
  list-style: none;
}

@media (min-width: 40rem) {
  .schools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.school-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.school-degree {
  margin-top: 0.5rem;
  color: var(--ink-2);
}

.school-when {
  margin-top: 0.35rem;
  color: var(--ink-3);
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
}

.spoken {
  max-width: var(--measure);
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-2);
}

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

/* ---------- Contact / footer ---------- */

.contact-line {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.contact-line a {
  text-decoration-thickness: 2px;
  text-underline-offset: 0.16em;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin-top: 1.5rem;
  list-style: none;
  color: var(--ink-2);
}

.contact-links li {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
}

.site-footer {
  border-top: 1px solid var(--rule);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.75rem 2.25rem;
  color: var(--ink-3);
  font-size: 0.875rem;
}

/* ---------- 404 ---------- */

.page-404 {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-404 main {
  flex: 1;
  display: flex;
}

.notfound {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 4rem;
}

.notfound-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 22vw, 11rem);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.notfound-title {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-weight: 450;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.2;
}

.notfound-text {
  max-width: 42ch;
  margin-top: 1rem;
  color: var(--ink-2);
}

.notfound .button {
  align-self: flex-start;
  margin-top: 2rem;
}

/* ---------- Print ---------- */

@media print {
  :root {
    --bg: #ffffff;
    --bg-raised: #ffffff;
    --ink: #000000;
    --ink-2: #222222;
    --ink-3: #444444;
    --rule: #bbbbbb;
    --accent: #000000;
  }

  .skip-link,
  .site-nav,
  .hero-meta .button {
    display: none;
  }

  .section-label {
    position: static;
  }

  .role--featured {
    border: 1px solid var(--rule);
  }
}