/* Portfolio pages (/, /about, /work, /experience). Self-contained, mobile-first.
   robot.html and lake.html keep using style.css. */
:root {
  --bg: #0A0A0A;
  --surface: #131313;
  --surface-hover: #181818;
  --ink: #F5F5F0;
  --ink-soft: #B8B8B2;
  --line: #2A2A28;
  --accent: #3DDC97;
  --accent-strong: #6BE8B2;
  --on-accent: #0A0A0A;
  --sans: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --max: 1100px;
  --section: clamp(4rem, 10vw, 7.5rem);
  --radius: 20px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; text-wrap: balance; }
p { text-wrap: pretty; }

::selection { background: var(--accent); color: var(--on-accent); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
main:focus { outline: none; }

.shell {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 10px;
  text-decoration: none;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 10, 10, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 0.625rem;
}

.site-name {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
}
.site-name span { color: var(--accent); }

.site-header nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-right: -0.4rem;
}
.site-header nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease;
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav a[aria-current="page"] { color: var(--accent); }
.site-header nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0.4rem;
  right: 0.4rem;
  bottom: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

/* Shared type */
.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.lead {
  font-size: clamp(1.25rem, 2.6vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink);
}

.name-period { color: var(--accent); }

.text-link {
  display: inline-block;
  padding-block: 0.6rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
  transition: color 0.18s ease;
}
.text-link:hover { color: var(--accent-strong); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 52px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 999px;
  text-decoration: none;
  transition: background-color 0.18s ease, transform 0.18s ease;
}
.button:hover { background: var(--accent-strong); transform: translateY(-1px); }

.button-outline {
  color: var(--ink);
  background: transparent;
  box-shadow: inset 0 0 0 2px var(--line);
}
.button-outline:hover { background: var(--surface); box-shadow: inset 0 0 0 2px var(--ink-soft); }

/* Inline links inside headings (org names) */
.entry h2 a,
.education-entry h3 a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.22em;
  transition: color 0.18s ease;
}
.entry h2 a:hover,
.education-entry h3 a:hover { color: var(--accent); }
/* inline padding grows the tap area without shifting layout */
.entry h2 a,
.education-entry h3 a { padding-block: 0.4em; }
.entry h2 a span,
.education-entry h3 a span { color: var(--accent); font-size: 0.8em; }

.when {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

main { flex: 1; }

/* ---------- Home ---------- */
.hero {
  display: grid;
  gap: 2.5rem;
  padding-top: clamp(3rem, 9vw, 6.5rem);
}

.location {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.location-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(61, 220, 151, 0.18);
}

.hero h1 {
  margin-top: 1.25rem;
  font-size: clamp(3.75rem, 17vw, 8rem);
  line-height: 0.88;
  letter-spacing: -0.055em;
}

.hero-statement {
  margin-top: 1.5rem;
  font-size: clamp(1.5rem, 4.5vw, 2.25rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.75rem;
  margin-top: 2.25rem;
}

.portrait figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.portrait-image {
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: var(--surface);
}
.portrait-image img { width: 100%; height: 100%; object-fit: cover; }

.hero-portrait { max-width: 520px; }

.academic-note {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.academic-note p:not(.eyebrow) {
  margin-top: 0.75rem;
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.desktop-break { display: none; }

.featured-work {
  display: grid;
  gap: 1rem;
  margin-top: var(--section);
  padding: clamp(1.75rem, 5vw, 3.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.featured-label .eyebrow { color: var(--accent); }
.featured-copy h2 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: -0.045em;
}
.featured-copy p {
  margin-top: 0.75rem;
  max-width: 34ch;
  font-size: clamp(1.125rem, 2.4vw, 1.375rem);
  line-height: 1.45;
  color: var(--ink-soft);
}

/* ---------- Inner pages ---------- */
.page-content { padding-top: clamp(3rem, 8vw, 6rem); }

.page-title {
  font-size: clamp(3rem, 11vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.page-intro .lead { margin-top: 1.5rem; max-width: 36ch; color: var(--ink-soft); }

.page-crosslink {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  margin-top: var(--section);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 1.25rem;
  font-weight: 500;
}

.section-label { margin-bottom: 1rem; }

/* About */
.about-layout { display: grid; gap: 3rem; }
.about-copy .lead { margin-top: 1.75rem; }
.about-copy p:not(.lead) { margin-top: 1.25rem; max-width: 60ch; color: var(--ink-soft); }
.about-copy .text-link { margin-top: 1.5rem; }
.about-portrait { max-width: 420px; }

.education-section { margin-top: var(--section); }
.education-list { border-top: 1px solid var(--line); }
.education-entry {
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}
.education-entry h3 { font-size: clamp(1.375rem, 3vw, 1.75rem); }
.education-entry p { margin-top: 0.5rem; color: var(--ink-soft); }
.school-short { color: var(--ink-soft); font-weight: 500; }

.entry-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
}

/* Work */
.work-list {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(3rem, 7vw, 4.5rem);
}
.work-entry {
  display: flex;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.work-entry:hover { border-color: #3A3A37; background: var(--surface-hover); }
.work-body { display: flex; flex-direction: column; gap: 1rem; }
.work-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.work-heading .eyebrow { color: var(--accent); }
.work-status {
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.work-entry h2 {
  margin-top: 1rem;
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  letter-spacing: -0.045em;
}
.work-entry p:not(.eyebrow) { color: var(--ink-soft); font-size: 1.0625rem; }
.work-entry .text-link { margin-top: auto; align-self: flex-start; }

/* Experience timeline */
.experience-layout { margin-top: clamp(3rem, 7vw, 4.5rem); }
.chronology-label { margin-bottom: 1.5rem; }
.entries {
  position: relative;
  display: grid;
  gap: clamp(2.5rem, 5vw, 3.5rem);
  padding-left: 1.75rem;
}
.entries::before {
  content: "";
  position: absolute;
  top: 0.6rem;
  bottom: 0.6rem;
  left: 4px;
  width: 2px;
  background: var(--line);
}
.entry { position: relative; }
.entry::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: calc(-1.75rem);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: inset 0 0 0 2px var(--accent);
}
.entry:first-child::before { background: var(--accent); }
.entry h2 { font-size: clamp(1.375rem, 3vw, 1.75rem); }
.role-title {
  margin-top: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}
.entry > p:not(.role-title) { margin-top: 0.5rem; max-width: 62ch; color: var(--ink-soft); }
.roles {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}
.role h3 { font-size: 1.125rem; letter-spacing: -0.01em; }
.role p { margin-top: 0.4rem; max-width: 62ch; color: var(--ink-soft); }

/* Footer */
.site-footer {
  display: grid;
  gap: 1.75rem;
  margin-top: var(--section);
  padding-block: clamp(3rem, 8vw, 5rem) clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--line);
}
.footer-title {
  font-size: clamp(3rem, 12vw, 6.5rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.05em;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}
.footer-email {
  display: inline-block;
  padding-block: 0.625rem;
  line-height: 1.4;
  max-width: 100%;
  font-size: clamp(1.125rem, 4.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
  transition: color 0.18s ease;
}
.footer-email:hover { color: var(--accent-strong); }

/* Gentle entrance */
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
main > *, .hero > * { animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
main > *:nth-child(2), .hero > *:nth-child(2) { animation-delay: 0.08s; }
main > *:nth-child(3), .hero > *:nth-child(3) { animation-delay: 0.16s; }
main > *:nth-child(n + 4) { animation-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- Larger screens ---------- */
@media (min-width: 400px) {
  .site-header nav a { padding-inline: 0.55rem; font-size: 0.9375rem; }
  .site-header nav { margin-right: -0.55rem; }
  .site-header nav a[aria-current="page"]::after { left: 0.55rem; right: 0.55rem; }
}

@media (min-width: 720px) {
  body { font-size: 1.125rem; }
  .header-inner { padding-block: 0.875rem; }
  .site-header nav { gap: 0.5rem; }
  .site-header nav a { padding-inline: 0.75rem; font-size: 1rem; }
  .site-header nav { margin-right: -0.75rem; }
  .site-header nav a[aria-current="page"]::after { left: 0.75rem; right: 0.75rem; }

  .featured-work {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 1.25rem 3rem;
  }
  .featured-label { grid-column: 1 / -1; }

  .work-list { grid-template-columns: 1fr 1fr; }

  .entries { padding-left: 2.5rem; }
  .entry::before { left: -2.5rem; }
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    grid-template-areas:
      "copy portrait"
      "note portrait";
    column-gap: clamp(3rem, 6vw, 5rem);
    row-gap: 3rem;
    align-items: start;
  }
  .hero-copy { grid-area: copy; }
  .hero-portrait { grid-area: portrait; margin-top: 2.25rem; }
  .academic-note { grid-area: note; align-self: end; max-width: 34rem; }
  .desktop-break { display: inline; }

  .about-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    column-gap: clamp(3rem, 6vw, 5rem);
    align-items: start;
  }
  .about-portrait { margin-top: 1rem; }

  .experience-layout {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 3rem;
  }
  .chronology-label { position: sticky; top: 6rem; align-self: start; }
}