:root {
  --bg: #ffffff;
  --line: #d9d9d9;
  --line-strong: #000000;
  --text: #000000;
  --muted: #000000;
  --accent: #ff5a00;
  --accent-soft: rgba(255, 90, 0, 0.14);
  --sidebar-width: 18rem;
}

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Aptos", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
}

.page-shell {
  display: flex;
  min-height: calc(100vh - 4.5rem);
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  min-height: calc(100vh - 4.5rem);
  padding: 2.25rem 1.5rem 2rem;
  border-right: 1px solid var(--line);
  background: #ffffff;
}

.site-nav {
  display: grid;
  gap: 0.6rem;
}

.sidebar-meta {
  position: fixed;
  left: 1.5rem;
  bottom: 2rem;
  display: grid;
  gap: 0.35rem;
  width: calc(var(--sidebar-width) - 3rem);
  font-size: 0.9rem;
  line-height: 1.4;
}

.meta-link,
.meta-copy {
  color: var(--text);
}

.meta-link {
  text-decoration: none;
}

.meta-link:hover,
.meta-link:focus-visible,
.meta-link[aria-current="page"] {
  color: var(--accent);
}

.meta-copy {
  margin: 0;
}

.nav-link {
  padding: 0.8rem 0.95rem;
  border: 1px solid transparent;
  border-radius: 0;
  color: var(--muted);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: transparent;
  background: #ffffff;
  color: var(--accent);
  transform: translateX(0.15rem);
}

.nav-link.is-active {
  border-color: transparent;
  background: #ffffff;
  color: var(--accent);
}

.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 2.5rem 3rem 6rem;
}

.hero {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: calc(100vh - 13rem);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  box-shadow: none;
}

.hero-compact {
  min-height: auto;
}

.hero-home {
  position: relative;
  display: block;
  text-align: left;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero-copy {
  max-width: none;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-copy-intro {
  width: 100%;
  max-width: none;
  margin: 0;
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.4;
}

.js-ready .hero-copy-intro {
  min-height: calc(1.4em * 2);
}

.search-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(calc(100% - 2rem), 34rem);
  margin-top: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  transform: translate(-50%, -50%);
}

.search-label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-input-wrap {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.search-suggestion-overlay {
  position: absolute;
  inset: 1px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 1.1rem;
  color: var(--muted);
  pointer-events: none;
}

.search-suggestion-text {
  display: inline-block;
  white-space: nowrap;
  transform: translateY(140%);
  opacity: 0;
}

.search-suggestion-overlay.is-animating .search-suggestion-text {
  transition:
    transform 320ms ease,
    opacity 320ms ease;
}

.search-suggestion-overlay.is-visible .search-suggestion-text {
  transform: translateY(0);
  opacity: 1;
}

.search-suggestion-overlay.is-exiting .search-suggestion-text {
  transform: translateY(-140%);
  opacity: 0;
}

.search-suggestion-overlay.is-hidden {
  display: none;
}

.search-input:focus {
  outline: 2px solid transparent;
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.chat-response {
  margin-top: 1rem;
}

.chat-response-field {
  width: 100%;
  min-height: 7.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fbfaf6;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.65;
  resize: vertical;
}

.chat-response-field.is-loading {
  color: var(--muted);
}

.chat-response-field.is-error {
  border-color: #b13a3a;
}

.chat-response-meta {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.chat-response-meta.is-error {
  color: #8f2f2f;
}

@media (max-width: 860px) {
  .page-shell {
    display: block;
  }

  .sidebar {
    position: static;
    width: auto;
    min-height: auto;
    padding-bottom: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .content {
    margin-left: 0;
    padding: 1.5rem 1.25rem 4rem;
  }

  .sidebar-meta {
    position: static;
    width: auto;
    margin: 0 1.25rem 2rem;
    padding: 0;
  }

  .hero {
    min-height: auto;
    padding: 2rem 1.5rem;
  }

  .hero-home {
    display: grid;
    gap: 2.5rem;
  }

  .search-panel {
    position: static;
    width: min(100%, 34rem);
    transform: none;
  }
}

@media (max-width: 560px) {
  .sidebar {
    padding: 1.25rem 1rem;
  }

  .site-nav {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 12vw, 3rem);
  }

  .hero-copy {
    font-size: 1rem;
  }

  .search-panel {
    margin-top: 2.25rem;
    padding: 1rem;
  }
}

.projects-archive {
  margin-top: 2rem;
}

.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;
}

.project-list {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-list-item {
  margin: 0;
}

.project-list-link {
  display: grid;
  gap: 0.2rem;
  text-decoration: none;
  transition:
    color 160ms ease,
    transform 160ms ease;
}

.project-list-link:hover,
.project-list-link:focus-visible {
  color: var(--accent);
  transform: translateX(0.2rem);
}

.project-list-title {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.2;
}

.project-list-subtitle {
  font-size: 0.98rem;
  line-height: 1.55;
}

.project-detail {
  max-width: 56rem;
}

.project-header {
  margin-top: 0.5rem;
}

.project-header h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.project-subtitle {
  margin: 1rem 0 0;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--accent);
}

.project-authors {
  margin: 1rem 0 0;
  font-size: 0.98rem;
  line-height: 1.6;
}

.project-hero {
  margin-top: 2rem;
}

.project-hero-media {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.project-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border: 1px solid var(--line);
}

.project-embed-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-body {
  margin-top: 2.25rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.project-body > :first-child {
  margin-top: 0;
}

.project-body h1,
.project-body h2,
.project-body h3 {
  margin-bottom: 0;
  line-height: 1.08;
}

.project-body h1 {
  margin-top: 2.8rem;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.project-body h2 {
  margin-top: 2.4rem;
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
}

.project-body h3 {
  margin-top: 2rem;
  font-size: clamp(1.08rem, 1.9vw, 1.3rem);
}

.project-body p,
.project-body ul,
.project-body ol {
  margin: 1rem 0 0;
}

.project-body li + li {
  margin-top: 0.35rem;
}

.project-body a {
  color: var(--accent);
  text-underline-offset: 0.16em;
}

.project-body img,
.project-body video {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1.4rem;
  border: 1px solid var(--line);
}

.project-body .project-embed {
  margin-top: 1.4rem;
}

.project-audio-group {
  margin-top: 1.4rem;
}

.project-audio-heading {
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.project-audio-list {
  display: grid;
  gap: 0.65rem;
}

.project-audio-item {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  background: #ffffff;
  box-sizing: border-box;
}

.project-audio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  padding: 0;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.project-audio-button:hover,
.project-audio-button:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.project-audio-button:focus-visible {
  outline: 2px solid transparent;
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.project-audio-button.is-playing .project-audio-icon {
  font-size: 0.6rem;
}

.project-audio-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.68rem;
  line-height: 1;
}

.project-audio-title,
.project-audio-link {
  font-size: 0.9rem;
}

.project-audio-title {
  font-weight: 600;
}

.project-audio-link {
  color: var(--accent);
  text-underline-offset: 0.16em;
}

.project-body audio {
  display: none;
}

.project-gallery {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-top: 1.6rem;
  margin-left: 0;
  transform: none;
  overflow: hidden;
  box-sizing: border-box;
}

.project-gallery-viewport {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: transparent;
  box-sizing: border-box;
}

.project-gallery-track {
  display: flex;
  width: 100%;
  transition: transform 220ms ease;
  will-change: transform;
}

.project-gallery-slide {
  flex: 0 0 100%;
  min-width: 0;
  margin: 0;
  overflow: hidden;
}

.project-body .project-gallery-slide img {
  width: 100%;
  height: min(72vh, 44rem);
  margin-top: 0;
  border: 0;
  object-fit: contain;
  background: transparent;
}

.project-gallery-button {
  appearance: none;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.project-gallery-button:hover,
.project-gallery-button:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.project-gallery-button:focus-visible {
  outline: 2px solid transparent;
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.project-gallery-button-prev,
.project-gallery-button-next {
  position: absolute;
  top: 50%;
  z-index: 1;
  width: 3rem;
  height: 3rem;
  transform: translateY(-50%);
}

.project-gallery-button-prev {
  left: 1rem;
}

.project-gallery-button-next {
  right: 1rem;
}

.project-gallery-status {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  text-align: center;
}

@media (max-width: 560px) {
  .project-subtitle {
    font-size: 1.1rem;
  }

  .project-body {
    font-size: 1rem;
  }

  .project-gallery {
    width: 100%;
  }

  .project-gallery-button-prev {
    left: 0.75rem;
  }

  .project-gallery-button-next {
    right: 0.75rem;
  }

  .project-gallery-button-prev,
  .project-gallery-button-next {
    width: 2.6rem;
    height: 2.6rem;
  }

  .project-body .project-gallery-slide img {
    height: min(60vh, 26rem);
  }
}