/* Quiet paper layer shared by the information pages. */

:root {
  --bg: #fdfdfc;
  --bg-soft: #f7f8f6;
  --panel: transparent;
  --panel-strong: transparent;
  --line: rgba(57, 63, 61, 0.15);
  --line-strong: rgba(57, 63, 61, 0.32);
  --text: #343a38;
  --text-soft: #606966;
  --text-dim: #68716e;
  --teal: #3f796d;
  --indigo: #7483b4;
  --pink: #bd7897;
  --paper-blue: #75b5c5;
  --paper-gold: #c5a54c;
  --paper-green: #6f9e78;
  --paper-violet: #8b77aa;
  --radius: 4px;
  --shell: 1160px;
}

html {
  background: var(--bg);
  color-scheme: light;
}

body {
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

.paper-atlas {
  --paper-atlas-color: 92 151 136;
}

.paper-atlas[data-page-key="media"] { --paper-atlas-color: 100 169 181; }
.paper-atlas[data-page-key="projects"] { --paper-atlas-color: 214 174 62; }
.paper-atlas[data-page-key="services"] { --paper-atlas-color: 88 158 178; }
.paper-atlas[data-page-key="about"] { --paper-atlas-color: 104 145 123; }
.paper-atlas[data-page-key="contact"] { --paper-atlas-color: 213 128 155; }

.paper-atlas canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0;
  transition: opacity 700ms ease;
}

.paper-atlas[data-ready="true"] canvas {
  opacity: 1;
}

.paper-atlas[data-arriving="true"] canvas {
  transition: none;
}

.paper-atlas[data-arriving="true"] .paper-atlas__guide {
  animation: paper-atlas-guide-arrive 920ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.paper-atlas[data-departing="true"] {
  pointer-events: none;
}

html[data-paper-atlas-departing="true"] {
  overflow: hidden;
}

html[data-paper-atlas-departing="true"] .site-head,
html[data-paper-atlas-departing="true"] .page,
html[data-paper-atlas-departing="true"] .site-foot {
  filter: blur(0.7px);
  opacity: 0.1;
  transform: translate3d(8px, 0, 0);
  transition: opacity 540ms ease, transform 620ms cubic-bezier(0.16, 1, 0.3, 1), filter 540ms ease;
}

@keyframes paper-atlas-guide-arrive {
  from { opacity: 0; }
  34% { opacity: 0; }
  to { opacity: 1; }
}

.paper-atlas > a {
  position: fixed;
  top: 50%;
  left: 18px;
  z-index: 12;
  padding: 7px 0;
  border-bottom: 1px solid rgb(var(--paper-atlas-color) / 0.28);
  color: rgba(45, 63, 58, 0.84);
  font-size: 11px;
  text-decoration: none;
  transform: translate3d(-44%, -50%, 0) rotate(-90deg);
  transform-origin: 50% 50%;
  transition: color 220ms ease;
}

.paper-atlas > a:hover,
.paper-atlas > a:focus-visible {
  color: rgb(var(--paper-atlas-color) / 0.98);
}

.paper-atlas__guide {
  position: fixed;
  top: 0;
  left: max(4px, calc(50vw - 676px));
  z-index: 4;
  width: 118px;
  height: 88px;
  pointer-events: none;
  will-change: transform;
}

.paper-atlas__guide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.72;
  transform-origin: 52% 78%;
  transition: opacity 220ms ease, transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.paper-atlas__guide[data-observing="true"] img {
  opacity: 0.84;
  transform: translate3d(3px, -1px, 0) rotate(1.6deg);
}

.paper-atlas__guide i {
  position: absolute;
  right: 6px;
  bottom: 4px;
  z-index: 2;
  width: 6px;
  height: 6px;
  border: 1px solid rgb(var(--paper-atlas-color) / 0.62);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgb(var(--paper-atlas-color) / 0.06);
}

.paper-atlas__guide[data-pose="sit"],
.paper-atlas__guide[data-pose="chill"] {
  margin-left: 2px;
}

.paper-atlas[data-reading-complete="true"] .paper-atlas__guide i {
  box-shadow:
    0 0 0 5px rgb(var(--paper-atlas-color) / 0.07),
    0 0 0 11px rgb(var(--paper-atlas-color) / 0.035);
}

.paper-atlas[data-form-constellation="complete"] .paper-atlas__guide i {
  background: rgb(var(--paper-atlas-color) / 0.24);
  animation: paper-atlas-contact-complete 1.8s ease-in-out infinite;
}

@keyframes paper-atlas-contact-complete {
  50% {
    box-shadow:
      0 0 0 8px rgb(var(--paper-atlas-color) / 0.08),
      0 0 0 16px rgb(var(--paper-atlas-color) / 0.02);
  }
}

.site-head,
.page,
.site-foot {
  position: relative;
  z-index: 3;
  transition: opacity 360ms ease, transform 520ms cubic-bezier(0.16, 1, 0.3, 1), filter 360ms ease;
}

@media (max-width: 899px), (prefers-reduced-motion: reduce) {
  .paper-atlas canvas,
  .paper-atlas__guide {
    display: none;
  }

  .paper-atlas > a {
    position: absolute;
    top: 72px;
    right: 20px;
    bottom: auto;
    left: auto;
    padding: 7px 0;
    background: rgb(253 253 252 / 0.92);
    transform: none;
  }

  .site-head a,
  .breadcrumb a,
  .paper-atlas > a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .paper-atlas > a {
    top: calc(var(--head-h) + 8px);
  }
}

::selection {
  background: rgba(117, 181, 197, 0.22);
  color: var(--text);
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(57, 63, 61, 0.2);
  border-color: var(--bg);
}

:focus-visible {
  outline-color: var(--teal);
}

.scene,
.cursor-glow,
.trail-dot {
  display: none !important;
}

.scroll-progress {
  height: 2px;
  background: transparent;
}

.scroll-progress span {
  background: var(--teal);
}

.skip-link {
  color: var(--text);
  background: #fff;
  border-color: var(--line-strong);
  border-radius: 3px;
}

.site-head {
  background: rgba(253, 253, 252, 0.94);
  border-bottom-color: var(--line);
}

.site-head.is-scrolled {
  background: rgba(253, 253, 252, 0.98);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.motion [data-reveal] > * {
  transform: translateY(12px);
  filter: none;
  transition:
    opacity 460ms ease,
    transform 560ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 45ms);
}

.motion [data-reveal].in-view > * {
  transform: translateY(0);
  filter: none;
}

/* Information stays immediately readable; only the paper atmosphere arrives. */
.motion body:has(.paper-atlas) [data-reveal] > * {
  opacity: 1;
  transform: none;
  filter: none;
  transition: none;
}

.brand {
  color: var(--text);
  letter-spacing: 0;
}

.brand em {
  color: var(--teal);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
}

.brand-note,
.site-nav a {
  letter-spacing: 0.04em;
}

.site-nav a {
  color: var(--text-dim);
}

.site-nav a::after {
  background: var(--teal);
}

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

.site-nav a.site-nav__cta {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 7px 13px;
  font-weight: 500;
}

.site-nav a.site-nav__cta:hover,
.site-nav a.site-nav__cta:focus-visible {
  color: var(--text);
  background: #fff;
  box-shadow: none;
  filter: none;
  transform: none;
}

.page {
  min-height: 72vh;
}

.breadcrumb {
  padding-top: 22px;
}

.breadcrumb ol {
  letter-spacing: 0.03em;
}

.breadcrumb a:hover {
  color: var(--teal);
}

.page-hero {
  position: relative;
  grid-template-columns: minmax(0, 1.35fr) minmax(230px, 0.65fr);
  align-items: center;
  min-height: min(66vh, 660px);
  padding-block: clamp(54px, 10vh, 112px);
  border-bottom: 1px solid var(--line);
}

.page-hero::before {
  content: "";
  position: absolute;
  left: 2px;
  bottom: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper-green);
  box-shadow:
    18px 1px 0 -1px var(--paper-blue),
    39px -1px 0 -2px var(--paper-gold),
    58px 1px 0 -1px var(--pink),
    80px -1px 0 -2px var(--paper-violet),
    99px 1px 0 -1px var(--teal),
    120px 0 0 -2px var(--paper-blue),
    143px 1px 0 -1px var(--paper-gold);
}

.page-hero__main {
  max-width: 760px;
}

.page-hero h1 {
  max-width: 900px;
  color: var(--text);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 560;
  line-height: 1.18;
  letter-spacing: 0;
}

.page-hero__nowrap {
  display: inline-block;
  white-space: nowrap;
}

.page-hero .lede {
  max-width: 680px;
  color: var(--text);
  font-weight: 500;
}

.page-hero__aside {
  border-left-color: var(--line);
}

.eyebrow {
  color: var(--teal);
  letter-spacing: 0.12em;
}

.eyebrow::before {
  content: "";
  width: 4px;
  height: 4px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
}

.eyebrow--plain {
  color: var(--text-dim);
}

.body,
.article-list a,
.service-examples ul {
  color: var(--text-soft);
}

.sec {
  padding-block: clamp(64px, 9vh, 106px);
}

.sec + .sec {
  border-top-color: var(--line);
}

.sec--quiet {
  padding-bottom: clamp(28px, 6vh, 70px);
}

.sec-head {
  max-width: 780px;
}

.sec-head h2 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 560;
  letter-spacing: 0;
}

.grid {
  column-gap: clamp(30px, 5vw, 74px);
  row-gap: clamp(28px, 5vw, 58px);
}

.card {
  border: 0;
  border-top: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  padding: 24px 2px 4px;
  overflow: visible;
  transition: border-color 200ms ease;
}

.card::before,
.card::after {
  display: none;
}

.card:hover {
  border-color: var(--teal);
  background: transparent;
  transform: none;
}

.card h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0;
}

.card h3 a:hover,
.matrix-list strong a:hover,
.article-list a:hover,
p a[href]:hover,
.body a[href]:hover,
.privacy-note a[href]:hover {
  color: var(--teal);
}

.plain-index {
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.plain-index li::before,
.data-lines li::before {
  background: var(--teal);
}

.data-lines,
.matrix-list span,
.article-date {
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.matrix-list li,
.article-list li {
  border-bottom-color: var(--line);
}

.service-examples {
  border: 0;
  border-left: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  padding: 4px 0 4px 18px;
}

.service-examples__label {
  color: var(--paper-violet);
}

.service-examples li::before {
  background: var(--paper-violet);
}

.form-status {
  border-radius: 3px;
  background: transparent;
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.form-status.is-success {
  color: var(--teal);
  background: rgba(78, 146, 131, 0.05);
}

.form-status.is-error {
  color: #a95471;
  background: rgba(169, 84, 113, 0.04);
}

.contact-form-mock input[type="text"],
.contact-form-mock input[type="email"],
.contact-form-mock input[type="url"],
.contact-form-mock select,
.contact-form-mock textarea {
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  color: var(--text);
  font: inherit;
  background: #fff;
  border-color: var(--line-strong);
  border-radius: 3px;
}

.contact-form-mock textarea {
  min-height: 150px;
}

.contact-form-mock input:focus,
.contact-form-mock select:focus,
.contact-form-mock textarea:focus {
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(78, 146, 131, 0.09);
}

.contact-form-mock [aria-invalid="true"] {
  border-color: #a95471;
}

.form-field-error {
  display: block;
  margin-top: 7px;
  color: #a95471;
  font-size: 12.5px;
  line-height: 1.65;
}

.contact-form-mock label > span {
  color: var(--text-dim);
  letter-spacing: 0.07em;
}

.contact-form-mock label > span em {
  color: var(--teal);
  border-color: rgba(78, 146, 131, 0.4);
  border-radius: 2px;
}

.contact-form-mock button {
  color: var(--text);
  background: #fff;
  border: 1px solid var(--text);
  border-radius: 3px;
  padding: 13px 30px;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.contact-form-mock button::after {
  display: none;
}

.contact-form-mock button:hover,
.contact-form-mock button:focus-visible {
  color: #fff;
  background: var(--text);
  box-shadow: none;
  filter: none;
  transform: none;
}

.site-foot {
  border-top-color: var(--line);
  background: var(--bg-soft);
}

.site-foot__word {
  color: transparent;
  -webkit-text-stroke-color: rgba(57, 63, 61, 0.16);
  font-weight: 600;
  letter-spacing: 0;
}

.site-foot:hover .site-foot__word {
  -webkit-text-stroke-color: rgba(78, 146, 131, 0.34);
}

.site-foot__row {
  border-top-color: var(--line);
}

.foot-nav a,
.to-top,
.site-foot__copy {
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.foot-nav a:hover,
.foot-nav a:focus-visible,
.to-top:hover {
  color: var(--text);
}

/* Open-source index */

.project-list {
  display: grid;
  gap: clamp(72px, 10vh, 112px);
}

.project-entry {
  position: relative;
  scroll-margin-top: calc(var(--head-h) + 28px);
  padding-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.project-entry::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--teal);
  box-shadow:
    12px 0 var(--paper-blue),
    24px 0 var(--paper-gold),
    36px 0 var(--pink);
}

.project-entry__head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
}

.project-entry__index,
.project-entry__status {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.project-entry__head h3 {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 560;
  line-height: 1.2;
}

.project-entry__summary {
  max-width: 820px;
  margin: 32px 0 0 68px;
}

.project-entry__details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 5vw, 58px);
  margin: 44px 0 0 68px;
}

.project-entry__details > div {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.project-entry__details .body,
.project-entry__details .data-lines {
  margin-top: 14px;
}

.project-entry__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 38px 0 0 68px;
}

.project-entry__links a,
.home-fallback__more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 13px;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 5px;
}

.project-entry__links a::after {
  content: "↗";
  color: var(--teal);
}

@media (max-width: 840px) {
  .page-hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .foot-nav a,
  .to-top {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
  }

  .project-entry__details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .project-entry__head {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .project-entry__status {
    grid-column: 2;
  }

  .project-entry__summary,
  .project-entry__details,
  .project-entry__links {
    margin-left: 0;
  }
}