/* Hallmark · macrostructure: Portfolio Grid · tone: technical field notes · anchor hue: electric lime
 * enrichment: CSS network-grid motif · pre-emit critique: P5 H5 E4 S5 R5 V5
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.shell {
  width: min(100% - 2rem, 86rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: 20;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 10;
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  background: var(--color-paper);
  color: var(--color-ink);
  border-block-end: var(--rule-thin) solid var(--color-rule-soft);
}

.wordmark,
.site-nav a,
.project__links a,
.footer__links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark {
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
}

.wordmark__status,
.availability span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: clamp(0.5rem, 3vw, 2rem);
}

.site-nav a {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 5rem);
  align-items: end;
  padding-block: var(--space-4xl) var(--space-3xl);
}

.hero__copy {
  position: relative;
  z-index: 2;
}

.availability,
.section-meta,
.project__number,
.project__stack,
.filter,
.signal-map__label,
.footer__fine {
  font-family: var(--font-mono);
}

.availability {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: 0 0 var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  min-width: 0;
  margin-block: 0;
  font-family: var(--font-display);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 12ch;
  font-size: var(--text-display);
  font-weight: 500;
}

.hero__intro {
  max-width: 43rem;
  margin: var(--space-2xl) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--text-xl);
  line-height: 1.55;
}

.hero__portrait {
  position: relative;
  z-index: 2;
  width: min(100%, 24rem);
  margin: var(--space-3xl) auto 0;
  overflow: clip;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-paper-2);
  color: var(--color-ink);
}

.hero__portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
}
.signal-map {
  position: absolute;
  inset: 8% 0 auto auto;
  width: min(38vw, 32rem);
  aspect-ratio: 1;
  opacity: 0.55;
  background-image:
    linear-gradient(var(--color-rule-soft) var(--rule-thin), transparent var(--rule-thin)),
    linear-gradient(90deg, var(--color-rule-soft) var(--rule-thin), transparent var(--rule-thin));
  background-size: 2.5rem 2.5rem;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.signal-map__node {
  position: absolute;
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-paper);
}

.signal-map__node--one { inset: 21% auto auto 18%; }
.signal-map__node--two { inset: 42% auto auto 64%; }
.signal-map__node--three { inset: 68% auto auto 32%; }
.signal-map__node--four { inset: 82% auto auto 78%; }

.signal-map__path {
  position: absolute;
  height: var(--rule-thin);
  background: var(--color-accent);
  transform-origin: left center;
}

.signal-map__path--one { inset: 24% auto auto 20%; width: 49%; transform: rotate(26deg); }
.signal-map__path--two { inset: 45% auto auto 65%; width: 36%; transform: rotate(123deg); }
.signal-map__path--three { inset: 70% auto auto 34%; width: 48%; transform: rotate(17deg); }

.signal-map__label {
  position: absolute;
  color: var(--color-accent);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-map__label--one { inset: 15% auto auto 16%; }
.signal-map__label--two { inset: 36% auto auto 66%; }
.signal-map__label--three { inset: 76% auto auto 79%; }

.work {
  padding-block: var(--space-4xl);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.section-heading {
  display: grid;
  gap: var(--space-xl);
  margin-block-end: var(--space-2xl);
}

.section-meta,
.project__number {
  margin: 0 0 var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-heading h2,
.about h2 {
  max-width: 14ch;
  font-size: var(--text-2xl);
  line-height: 1.05;
}

.filters {
  display: flex;
  align-items: flex-end;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.filter {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
  cursor: pointer;
  white-space: nowrap;
}

.filter.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.filter:active {
  transform: translateY(1px);
}

.filter:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.project-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.project {
  display: grid;
  min-width: 0;
  border: var(--rule-thin) solid var(--color-rule-soft);
  border-radius: var(--radius-md);
  background: var(--color-paper-2);
  color: var(--color-ink);
}

.project[hidden] {
  display: none;
}

.project__visual {
  position: relative;
  min-height: 13rem;
  overflow: clip;
  border-block-end: var(--rule-thin) solid var(--color-rule-soft);
  background-color: var(--color-paper-3);
  color: var(--color-accent);
}

.project__body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.project h3 {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.05;
}

.project__body > p {
  margin: var(--space-lg) 0;
  color: var(--color-ink-soft);
}

.project__stack {
  display: flex;
  margin: 0 0 var(--space-xl);
  padding: 0;
  gap: var(--space-xs);
  flex-wrap: wrap;
  list-style: none;
}

.project__stack li {
  padding: var(--space-2xs) var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 0.68rem;
}

.project__links {
  display: flex;
  margin-block-start: auto;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.project__links a {
  color: var(--color-ink);
  font-size: var(--text-sm);
  text-underline-offset: 0.3em;
}

.project__links a:last-child {
  color: var(--color-muted);
}

.project__visual--cluster {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  place-content: center;
  padding: var(--space-2xl);
  gap: var(--space-sm);
  background-image:
    linear-gradient(var(--color-rule-soft) var(--rule-thin), transparent var(--rule-thin)),
    linear-gradient(90deg, var(--color-rule-soft) var(--rule-thin), transparent var(--rule-thin));
  background-size: 2rem 2rem;
}

.project__visual--cluster span {
  display: grid;
  min-height: 3.5rem;
  place-items: center;
  border: var(--rule-thin) solid var(--color-accent);
  background: var(--color-paper);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.project__visual--pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-lg);
  gap: var(--space-sm);
}

.project__visual--pipeline span {
  padding: var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.project__visual--pipeline i {
  min-width: 1.5rem;
  height: var(--rule-thin);
  background: var(--color-accent);
}

.project__visual--scan {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
  padding: var(--space-xl);
  gap: var(--space-sm);
}

.project__visual--scan b {
  padding-block: var(--space-md);
  border-block-start: var(--rule-thin) solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
}

.scan-line {
  position: absolute;
  inset: 50% 0 auto;
  height: var(--rule-thin);
  background: var(--color-accent);
}

.project__visual--packets {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl);
  gap: var(--space-sm);
}

.project__visual--packets span {
  height: 0.5rem;
  background: var(--color-accent);
}

.project__visual--packets span:nth-child(1) { width: 84%; }
.project__visual--packets span:nth-child(2) { width: 42%; }
.project__visual--packets span:nth-child(3) { width: 67%; }
.project__visual--packets span:nth-child(4) { width: 91%; }
.project__visual--packets span:nth-child(5) { width: 55%; }

.project__aside {
  display: none;
  min-width: 0;
  padding: var(--space-2xl);
  border-inline-start: var(--rule-thin) solid var(--color-rule-soft);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.project__aside p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
}

.project__aside strong {
  display: block;
  margin-block-end: var(--space-2xl);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
}

.about {
  display: grid;
  padding-block: var(--space-4xl);
  gap: var(--space-3xl);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.about__body {
  max-width: 43rem;
}

.about__body > p {
  margin: 0 0 var(--space-lg);
  color: var(--color-ink-soft);
  font-size: var(--text-lg);
}

.focus-list {
  display: flex;
  margin-block-start: var(--space-xl);
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.focus-list span {
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.credentials,
.record {
  padding-block: var(--space-4xl);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.credentials__intro {
  max-width: 34rem;
  margin: 0;
  color: var(--color-ink-soft);
}

.capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.capability-grid article {
  min-width: 0;
  padding: var(--space-xl);
  border: var(--rule-thin) solid var(--color-rule-soft);
  background: var(--color-paper-2);
  color: var(--color-ink);
}

.capability-grid h3,
.record h3 {
  font-size: var(--text-xl);
  line-height: 1.1;
}

.capability-grid p {
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-soft);
}

.record {
  display: grid;
  gap: var(--space-3xl);
}

.record__title h2 {
  max-width: 14ch;
  font-size: var(--text-2xl);
  line-height: 1.05;
}

.record__columns {
  display: grid;
  gap: var(--space-3xl);
}

.record__columns > div > h3 {
  margin-block-end: var(--space-xl);
}

.record-item {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  padding-block: var(--space-lg);
  gap: var(--space-md);
  border-block-start: var(--rule-thin) solid var(--color-rule-soft);
}

.record-item > p {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.record-item div,
.credential-list li {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-2xs);
}

.record-item strong,
.credential-list strong {
  font-weight: 600;
}

.record-item span,
.credential-list span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.record-item small {
  margin-block-start: var(--space-xs);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.credential-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.credential-list li {
  padding-block: var(--space-md);
  border-block-start: var(--rule-thin) solid var(--color-rule-soft);
}

.education {
  margin: var(--space-xl) 0 0;
  color: var(--color-ink-soft);
}

.education span {
  display: block;
  margin-block-end: var(--space-xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.site-footer {
  display: grid;
  padding-block: var(--space-3xl) max(var(--space-xl), env(safe-area-inset-bottom));
  gap: var(--space-xl);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.footer__prompt {
  max-width: 22ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.05;
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer__links a {
  color: var(--color-accent);
  text-underline-offset: 0.3em;
}

.footer__fine {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover,
  .project__links a:hover,
  .footer__links a:hover {
    color: var(--color-accent);
  }

  .filter:hover {
    border-color: var(--color-ink-soft);
    color: var(--color-ink);
  }

  .filter.is-active:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-ink);
  }

  .project__links a:hover {
    transform: translateX(2px);
  }
}

@media (min-width: 40rem) {
  .shell {
    width: min(100% - 4rem, 86rem);
  }

  .section-heading {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project--lead,
  .project--wide {
    grid-column: 1 / -1;
  }

  .project--lead {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .project--lead .project__visual {
    min-height: 100%;
    border-block-end: 0;
    border-inline-end: var(--rule-thin) solid var(--color-rule-soft);
  }

  .project--wide {
    grid-template-columns: minmax(0, 1.5fr) minmax(15rem, 0.5fr);
  }

  .project__aside {
    display: block;
  }

  .about {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .record {
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  }

  .record__columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .footer__fine {
    grid-column: 1 / -1;
  }
}

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(20rem, 0.75fr);
    gap: var(--space-3xl);
    padding-block-end: var(--space-4xl);
  }

  .hero__portrait {
    width: 100%;
    max-width: 30rem;
    margin-block-start: 0;
  }

  .project-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .project--lead {
    grid-column: span 12;
  }

  .project:not(.project--lead):not(.project--wide) {
    grid-column: span 6;
  }

  .project--wide {
    grid-column: span 12;
  }
}

@media (pointer: coarse) {
  .site-nav a,
  .filter,
  .project__links a,
  .footer__links a {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__copy {
    animation: hero-in var(--dur-medium) var(--ease-out) both;
  }

  .project {
    animation: project-in var(--dur-medium) var(--ease-out) both;
  }

  .project__links a {
    transition: color var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
  }

  .site-nav a,
  .footer__links a,
  .filter {
    transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-instant) var(--ease-out);
  }

  @keyframes hero-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes project-in {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

@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;
  }
}