/* ==========================================================================
   MACantara Portfolio — field-notes design system
   Native CSS port of the Tailwind v4 design tokens in DESIGN.md.
   ========================================================================== */

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-var-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

/* --- Tokens -------------------------------------------------------------- */

:root {
  --color-paper: #fafaf9;
  --color-paper-elevated: #ffffff;
  --color-paper-muted: #f0f0ed;
  --color-ink: #171a19;
  --color-ink-muted: #4b5450;
  --color-ink-dim: #666e68;
  --color-accent: #0d7a4e;
  --color-accent-strong: #095c3b;
  --color-accent-soft: rgba(13, 122, 78, 0.1);
  --color-accent-border: rgba(13, 122, 78, 0.3);
  --color-line: rgba(23, 26, 25, 0.08);
  --color-line-strong: rgba(23, 26, 25, 0.18);
  --color-error: #c2410c;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --ease-reveal: cubic-bezier(0.25, 0.4, 0.25, 1);
}

/* --- Base ---------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background-color: var(--color-paper);
  background-image:
    linear-gradient(to right, rgba(13, 122, 78, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(13, 122, 78, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  flex: 1;
}

h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
}

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

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
}

a:not([class]) {
  color: var(--color-accent);
  transition: color 160ms ease;
}

a:not([class]):hover {
  color: var(--color-accent-strong);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Layout primitives --------------------------------------------------- */

.container {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container-narrow {
  max-width: 56rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.page {
  padding-block: 4rem;
}

@media (min-width: 48rem) {
  .page {
    padding-block: 6rem;
  }
}

.section-alt {
  border-block: 1px solid var(--color-line);
  background: var(--color-paper-muted);
}

/* --- Shared chrome -------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-paper) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.brand {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.brand .dot {
  color: var(--color-accent);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-line-strong);
  color: var(--color-ink);
}

.nav-toggle .icon-close {
  display: none;
}

@media (min-width: 48rem) {
  .nav-toggle {
    display: none;
  }
}

/* Mobile: nav lives in a top-layer popover anchored under the header */
@media (max-width: 47.99rem) {
  @supports selector(:popover-open) {
    .site-nav[popover] {
      position: fixed;
      inset: 4rem 0 auto 0;
      margin: 0;
      width: 100%;
      max-width: none;
      max-height: none;
      padding: 0;
      border: 0;
      border-bottom: 1px solid var(--color-line);
      background: color-mix(in srgb, var(--color-paper) 95%, transparent);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      overflow: visible;
    }

    /* Icon swap driven by the popover's open state */
    .site-header:has(.site-nav:popover-open) .icon-menu {
      display: none;
    }
    .site-header:has(.site-nav:popover-open) .icon-close {
      display: block;
    }
  }
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.5rem;
}

.site-nav a {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.25rem;
  letter-spacing: -0.025em;
  color: var(--color-ink-muted);
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-ink);
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

@media (min-width: 48rem) {
  .site-nav[popover] {
    position: static;
    display: block;
    margin: 0;
    margin-left: auto;
    border: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .site-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
  }
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-paper-muted);
}

.site-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 72rem;
  margin-inline: auto;
  padding: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-ink-dim);
}

@media (min-width: 40rem) {
  .site-footer-inner {
    flex-direction: row;
    align-items: center;
  }
}

.site-footer p,
.site-footer a {
  font-family: var(--font-mono);
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ink-muted);
  transition: color 160ms ease;
}

.site-footer a:hover {
  color: var(--color-ink);
}

/* --- Type primitives ------------------------------------------------------ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.fig-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-ink-dim);
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-header h1,
.section-header h2 {
  margin-top: 0.5rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.section-header .desc {
  margin-top: 0.75rem;
  max-width: 42rem;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
}

@media (min-width: 40rem) {
  .section-header h1,
  .section-header h2 {
    font-size: 1.875rem;
  }
}

/* --- Buttons & links ------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--color-line);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  transition: color 160ms ease, background-color 160ms ease,
    border-color 160ms ease;
}

.btn-accent {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-paper);
}

.btn-accent:hover {
  background: var(--color-accent-strong);
}

.btn-outline {
  background: var(--color-paper-elevated);
  color: var(--color-ink);
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: color 160ms ease;
}

.text-link:hover {
  color: var(--color-accent-strong);
}

.text-link-sm {
  font-size: 0.75rem;
}

.text-link-muted {
  color: var(--color-ink-muted);
}

.text-link-muted:hover {
  color: var(--color-ink);
}

/* --- Tags ----------------------------------------------------------------- */

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-line);
  background: var(--color-paper-elevated);
  padding: 0.25rem 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-ink-muted);
}

.stamp {
  display: inline-flex;
  border: 1px solid var(--color-accent-border);
  background: var(--color-accent-soft);
  padding: 0.125rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  background: var(--color-paper-muted);
  color: var(--color-accent);
  flex-shrink: 0;
}

.icon-tile-sm {
  width: 1.75rem;
  height: 1.75rem;
}

.icon-tile-md {
  width: 2.5rem;
  height: 2.5rem;
}

/* --- Cards ---------------------------------------------------------------- */

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-line);
  background: var(--color-paper-elevated);
  transition: box-shadow 160ms ease;
}

.card:hover {
  box-shadow: 0 2px 0 0 var(--color-accent);
}

/* Project card */

.project-card .card-figure {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper-muted);
}

.project-card .card-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.project-card:hover .card-figure img {
  transform: scale(1.02);
}

.project-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.project-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.card-tag {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
}

.card-summary {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-metric {
  margin-top: 1rem;
  border-left: 2px solid var(--color-accent);
  background: color-mix(in srgb, var(--color-accent-soft) 50%, transparent);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
}

.card-metric strong {
  color: var(--color-ink);
  font-weight: 500;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-mini-title + .chip-list {
  margin-top: 0.75rem;
}

.card-foot {
  margin-top: auto;
  padding-top: 1.25rem;
}

/* Cert card */

.cert-card {
  padding: 1rem;
}

.cert-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 6rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
  padding: 1rem;
  width: 100%;
}

.cert-thumb img {
  height: 4rem;
  width: auto;
  object-fit: contain;
  transition: transform 160ms ease;
}

.cert-card:hover .cert-thumb img {
  transform: scale(1.05);
}

.cert-issuer {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}

.cert-name {
  margin-top: 0.25rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.cert-year {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink);
  transition: color 160ms ease;
}

.cert-link:hover {
  color: var(--color-accent-strong);
}

/* --- Metric band ----------------------------------------------------------- */

.metric-band {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border-block: 1px solid var(--color-line-strong);
  background: var(--color-line-strong);
}

.metric-cell {
  background: var(--color-paper);
  padding: 1.5rem;
}

.metric-cell .value {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.metric-cell .label {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-ink-dim);
}

@media (min-width: 40rem) {
  .metric-band {
    grid-template-columns: repeat(4, 1fr);
  }
  .metric-cell .value {
    font-size: 2.25rem;
  }
}

/* Outcomes band (project detail) — elevated cells, 3-up */

.outcomes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 1rem;
  border: 1px solid var(--color-line-strong);
  background: var(--color-line-strong);
}

.outcomes .metric-cell {
  background: var(--color-paper-elevated);
  padding: 1rem;
}

.outcomes .metric-cell .value {
  font-size: 1.5rem;
}

@media (min-width: 40rem) {
  .outcomes {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Timeline -------------------------------------------------------------- */

.timeline {
  position: relative;
  margin-left: 0.75rem;
  border-left: 1px solid var(--color-line-strong);
}

.timeline > li {
  position: relative;
  padding-bottom: 2.5rem;
  padding-left: 2rem;
}

.timeline > li:last-child {
  padding-bottom: 0;
}

.timeline > li::before,
.timeline > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: -5px;
  width: 0.625rem;
  height: 0.625rem;
  transform: rotate(45deg);
  background: var(--color-paper);
}

.timeline > li::before {
  top: 0.25rem;
  border: 1px solid var(--color-accent);
}

.timeline > li:not(:last-child)::after {
  top: 0.75rem;
  border: 1px solid var(--color-line-strong);
}

.timeline .dates {
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
}

.timeline h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.timeline .org {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.timeline .bullets {
  margin-top: 1rem;
  border-left: 1px solid var(--color-line);
  padding-left: 1rem;
}

.timeline .bullets li {
  position: relative;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
}

.timeline .bullets li + li {
  margin-top: 0.5rem;
}

.timeline .bullets li::before {
  content: "";
  position: absolute;
  left: -1rem;
  top: 0.75rem;
  width: 0.5rem;
  height: 1px;
  background: var(--color-accent);
}

/* --- Skill group ----------------------------------------------------------- */

.skill-group {
  border: 1px solid var(--color-line);
  background: var(--color-paper-elevated);
  padding: 1rem;
}

.skill-group-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.skill-group-head h3 {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

/* --- Contact links ---------------------------------------------------------- */

.contact-links {
  display: grid;
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border: 1px solid var(--color-line);
  background: var(--color-paper-elevated);
  padding: 1.25rem;
}

.contact-card .value {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-ink);
}

a.contact-value {
  display: block;
  transition: color 160ms ease;
}

a.contact-value:hover {
  color: var(--color-accent-strong);
}

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

/* --- Figure frame ----------------------------------------------------------- */

.figure-frame {
  position: relative;
  border: 4px solid #ffffff;
  background: #ffffff;
  box-shadow: 0 0 0 1px var(--color-line-strong);
}

.figure-frame .frame-media {
  aspect-ratio: 3 / 4;
}

.figure-frame .frame-media-wide {
  aspect-ratio: 16 / 9;
}

.figure-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure-frame figcaption {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  border-top: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-paper) 90%, transparent);
  padding: 0.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-ink-dim);
}

.figure-frame figcaption.caption-static {
  position: static;
  padding: 0.75rem;
}

/* --- Diamond list ------------------------------------------------------------ */

.diamond-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
}

.diamond-list li + li {
  margin-top: 0.5rem;
}

.diamond-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 0.375rem;
  height: 0.375rem;
  transform: rotate(45deg);
  background: var(--color-accent);
}

/* --- Prose ------------------------------------------------------------------ */

.prose {
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-ink-muted);
}

.prose p + p {
  margin-top: 1.25rem;
}

/* --- Grids ------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-loose {
  gap: 2rem;
}

.grid-tight {
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-cards {
  grid-template-columns: 1fr;
}

@media (min-width: 40rem) {
  .grid-cards-sm2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 48rem) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-cards-md2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .grid-cards-lg3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-cards-lg4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --- Page: hero --------------------------------------------------------------- */

.hero {
  position: relative;
  border-bottom: 1px solid var(--color-line);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  max-width: 72rem;
  margin-inline: auto;
  padding: 4rem 1.5rem;
}

.hero h1 {
  margin-top: 1rem;
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
  line-height: 1.1;
}

.hero .tagline {
  margin-top: 1rem;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.75rem;
  color: var(--color-ink-muted);
}

.hero .actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero .figure-frame {
  width: 100%;
  max-width: 24rem;
  margin-inline: auto;
}

@media (min-width: 48rem) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding-block: 6rem;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .hero .figure-frame {
    max-width: 28rem;
    margin-left: auto;
    margin-right: 0;
  }
}

@media (min-width: 64rem) {
  .hero h1 {
    font-size: 3.75rem;
  }
}

/* --- Page: CTA band ------------------------------------------------------------- */

.cta-band {
  border-top: 1px solid var(--color-line);
  background: var(--color-paper-muted);
  text-align: center;
}

.cta-band h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.cta-band p {
  margin: 0.75rem auto 0;
  max-width: 32rem;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
}

.cta-band .actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (min-width: 40rem) {
  .cta-band h2 {
    font-size: 1.875rem;
  }
}

/* --- Page: project detail --------------------------------------------------------- */

.case-head {
  margin-top: 2rem;
}

.case-head .meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.case-head .meta .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
}

.case-head h1 {
  margin-top: 1rem;
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.case-summary {
  margin-top: 1.5rem;
  font-size: 1rem;
  line-height: 1.75rem;
  color: var(--color-ink-muted);
}

.case-figure {
  margin-top: 2.5rem;
}

.case-sections > * + * {
  margin-top: 2.5rem;
}

.case-sections {
  margin-top: 3rem;
}

.case-sections section p {
  margin-top: 0.75rem;
  font-size: 1rem;
  line-height: 1.75rem;
  color: var(--color-ink-muted);
}

.case-sections .diamond-list {
  margin-top: 1rem;
}

.case-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--color-line);
  padding-top: 2rem;
}

@media (min-width: 40rem) {
  .case-head h1 {
    font-size: 2.25rem;
  }
}

/* --- Misc page pieces -------------------------------------------------------------- */

.mt-8 {
  margin-top: 2rem;
}

.mt-10 {
  margin-top: 2.5rem;
}

.skill-mini-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink);
}

.clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Experience teaser card (index) */

.exp-teaser {
  border-left: 2px solid var(--color-accent);
  background: var(--color-paper-elevated);
  padding: 1.25rem 1.5rem;
}

.exp-teaser .dates {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
}

.exp-teaser h3 {
  margin-top: 0.25rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.exp-teaser .org {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.exp-teaser .snippet {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Page: about ------------------------------------------------------------------ */

.about-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 64rem) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-subsection {
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-line);
  padding-top: 2rem;
}

.about-subsection > h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.edu-list {
  margin-top: 1rem;
}

.edu-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border-left: 1px solid var(--color-line);
  padding-left: 1rem;
}

.edu-item + .edu-item {
  margin-top: 1rem;
}

.edu-item .icon {
  margin-top: 0.125rem;
  color: var(--color-ink-dim);
  flex-shrink: 0;
}

.edu-item .degree {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.edu-item .school,
.edu-item .period {
  margin-top: 0.125rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.edu-item .school {
  color: var(--color-ink-muted);
}

.edu-item .period {
  color: var(--color-ink-dim);
}

.about-subsection .diamond-list {
  margin-top: 1rem;
}

.about-subsection .diamond-list li {
  padding-left: 1rem;
}

/* --- Dialog / lightbox ---------------------------------------------------------------- */

dialog.lightbox {
  max-width: min(42rem, calc(100vw - 3rem));
  max-height: calc(100vh - 3rem);
  overflow: auto;
  border: 1px solid var(--color-line);
  background: var(--color-paper-elevated);
  padding: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

dialog.lightbox::backdrop {
  background: rgba(23, 26, 25, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

dialog.lightbox img {
  width: 100%;
  max-width: 28rem;
  height: auto;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-line);
  background: var(--color-paper-elevated);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink-muted);
}

/* --- Icons ------------------------------------------------------------------------------- */

.icon {
  display: inline-block;
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

.icon-fill {
  display: inline-block;
  flex-shrink: 0;
  fill: currentColor;
  stroke: none;
  vertical-align: middle;
}

/* --- Reveal animation ------------------------------------------------------------------------ */

@keyframes reveal {
  from {
    transform: translateY(16px);
  }
  to {
    transform: none;
  }
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      animation: reveal 0.5s var(--ease-reveal) both;
      animation-timeline: view();
      animation-range: entry 0% cover 25%;
    }
  }
}

/* --- View transitions --------------------------------------------------------------------------- */

@view-transition {
  navigation: auto;
}

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

.not-found {
  text-align: center;
}

.not-found h1 {
  margin-top: 1rem;
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.not-found p:not(.eyebrow) {
  margin: 0.75rem auto 0;
  max-width: 28rem;
  font-size: 0.875rem;
  line-height: 1.5rem;
  color: var(--color-ink-muted);
}

.not-found .btn {
  margin-top: 2rem;
}