@charset "UTF-8";

:root {
  color-scheme: dark;
  --prism-bg: #10110f;
  --prism-bg-raised: #171815;
  --prism-ink: #f0eee7;
  --prism-ink-soft: #d1cfc6;
  --prism-muted: #a09f96;
  --prism-rule: rgb(240 238 231 / 14%);
  --prism-rule-strong: rgb(240 238 231 / 28%);
  --prism-amber: #e8c486;
  --prism-coral: #d89a88;
  --prism-cool: #a9c6c3;
  --page-progress: 0;
  --scroll-x: 0px;
  --scroll-y: 0px;
  --scroll-rotation: 0deg;
  --scroll-scale: 1;
  --scroll-opacity: 0.82;
  --page-gutter: clamp(1.25rem, 5.2vw, 5.5rem);
  --page-width: 90rem;
  --ease-optical: cubic-bezier(0.2, 0.72, 0.2, 1);
}

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

html {
  min-width: 20rem;
  overflow-x: clip;
  background: var(--prism-bg);
  scroll-behavior: smooth;
  scrollbar-color: #777064 var(--prism-bg);
  scrollbar-width: thin;
}

body {
  min-width: 20rem;
  margin: 0;
  overflow-x: clip;
  background: var(--prism-bg);
  color: var(--prism-ink);
  font-family: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  color: var(--prism-bg);
  background: var(--prism-amber);
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  color: inherit;
  font: inherit;
}

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

a {
  color: inherit;
  text-underline-offset: 0.24em;
  text-decoration-thickness: 0.07em;
}

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid var(--prism-amber);
  outline-offset: 4px;
}

:where(button, input, textarea, select) {
  accent-color: var(--prism-amber);
}

.skip-link {
  position: fixed;
  z-index: 1001;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(calc(-100% - 1rem));
  border: 1px solid var(--prism-amber);
  background: var(--prism-bg-raised);
  color: var(--prism-ink);
  text-decoration: none;
  transition: transform 180ms var(--ease-optical);
}

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

#page-progress {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  height: 2px;
  pointer-events: none;
}

.page-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--page-progress, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--prism-amber), var(--prism-coral) 68%, var(--prism-cool));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(100%, var(--page-width));
  min-height: 5.4rem;
  margin-inline: auto;
  padding: 0 var(--page-gutter);
  border-bottom: 1px solid var(--prism-rule);
  transition:
    background-color 240ms var(--ease-optical),
    border-color 240ms var(--ease-optical),
    box-shadow 240ms var(--ease-optical),
    backdrop-filter 240ms var(--ease-optical);
  -webkit-backdrop-filter: blur(0);
  backdrop-filter: blur(0);
}

.site-header.is-scrolled {
  border-bottom-color: rgb(240 238 231 / 20%);
  background-color: rgb(16 17 15 / 84%);
  box-shadow: 0 0.75rem 1.8rem rgb(0 0 0 / 18%);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

#back-to-top.back-to-top {
  position: fixed;
  z-index: 40;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  display: inline-flex;
  min-width: 3rem;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 0.8rem;
  transform: translateY(0.6rem);
  border: 1px solid var(--prism-rule-strong);
  background: rgb(16 17 15 / 90%);
  color: var(--prism-ink);
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition:
    opacity 220ms var(--ease-optical),
    transform 220ms var(--ease-optical),
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    visibility 0s linear 220ms;
}

#back-to-top.back-to-top.is-visible {
  transform: translateY(0);
  border-color: rgb(232 196 134 / 62%);
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}

#back-to-top.back-to-top:hover {
  border-color: var(--prism-amber);
  background-color: rgb(23 24 21 / 96%);
  color: var(--prism-amber);
  box-shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 24%);
}

#back-to-top.back-to-top:focus-visible {
  outline: 3px solid var(--prism-amber);
  outline-offset: 4px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.7rem;
  color: var(--prism-ink);
  text-decoration: none;
}

.brand__mark {
  width: 2.1rem;
  height: 2.1rem;
  color: var(--prism-amber);
  overflow: visible;
}

.brand__word {
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.2em;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1.6rem, 4vw, 3.5rem);
  color: var(--prism-muted);
  font-size: 0.79rem;
  letter-spacing: 0.035em;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-nav__link::after {
  position: absolute;
  right: 0;
  bottom: 0.48rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--prism-amber);
  content: "";
  transition: transform 220ms var(--ease-optical);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--prism-ink);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 2.8rem;
  height: 2.8rem;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  border: 1px solid var(--prism-rule-strong);
  border-radius: 0;
  background: transparent;
  color: var(--prism-ink);
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease;
}

.menu-toggle:hover,
.menu-toggle[aria-expanded="true"] {
  border-color: var(--prism-amber);
  color: var(--prism-amber);
}

.menu-toggle__line {
  display: block;
  width: 1rem;
  height: 1px;
  transform-origin: center;
  background: currentColor;
  transition: transform 180ms var(--ease-optical);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:first-child {
  transform: translateY(0.16rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:last-child {
  transform: translateY(-0.16rem) rotate(-45deg);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  width: min(100%, var(--page-width));
  min-height: min(54rem, calc(100svh - 5.4rem));
  margin-inline: auto;
  padding: clamp(4.8rem, 9vw, 8rem) var(--page-gutter) clamp(5.5rem, 8vw, 7rem);
  border-bottom: 1px solid var(--prism-rule);
}

.hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, transparent calc(50% - 0.5px), rgb(240 238 231 / 4%) 50%, transparent calc(50% + 0.5px)),
    repeating-linear-gradient(0deg, transparent 0 7.25rem, rgb(240 238 231 / 2.5%) 7.3rem, transparent 7.35rem);
  content: "";
  mask-image: linear-gradient(90deg, #000 0%, rgb(0 0 0 / 68%) 48%, transparent 100%);
  pointer-events: none;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 18%;
  right: 2%;
  width: min(36rem, 48%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(210 185 145 / 8%), rgb(142 170 164 / 3%) 42%, transparent 70%);
  content: "";
  pointer-events: none;
}

.hero__copy {
  position: relative;
  z-index: 2;
  max-width: 44rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.55rem;
  color: var(--prism-amber);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow__rule {
  display: inline-block;
  width: 2.25rem;
  height: 1px;
  flex: 0 0 auto;
  background: currentColor;
  opacity: 0.78;
}

.hero__title,
.section__title {
  margin: 0;
  color: var(--prism-ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.064em;
  text-wrap: balance;
}

.hero__title {
  max-width: 10ch;
  font-size: clamp(4.3rem, 8vw, 8.1rem);
  line-height: 0.94;
}

.hero__title-accent {
  color: var(--prism-amber);
  font-style: italic;
  letter-spacing: -0.075em;
}

.hero__byline {
  margin: 0.48rem 0 0 0.12rem;
  color: var(--prism-muted);
  font-size: clamp(0.8rem, 1.1vw, 0.95rem);
  letter-spacing: 0.1em;
  line-height: 1.35;
}

.hero__description {
  max-width: 34rem;
  margin: 1.35rem 0 0;
  color: var(--prism-ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.8;
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.75rem;
  margin-top: 2rem;
}

.text-link {
  display: inline-flex;
  min-height: 2.8rem;
  align-items: center;
  gap: 0.7rem;
  color: var(--prism-ink-soft);
  font-size: 0.81rem;
  text-decoration-color: rgb(232 196 134 / 55%);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.4rem;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.text-link:hover {
  color: var(--prism-amber);
  text-decoration-color: currentColor;
}

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

.text-link--primary svg {
  width: 1.1rem;
  height: 1.1rem;
  transition: transform 180ms var(--ease-optical);
}

.text-link--primary:hover svg {
  transform: translateX(0.22rem);
}

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

.hero__visual {
  position: relative;
  z-index: 1;
  width: min(100%, 46rem);
  min-width: 0;
  margin: 0 0 0 -1.5rem;
  overflow: visible;
}

.prism-art {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  opacity: var(--scroll-opacity, 0.82);
  transform: translate3d(var(--scroll-x, 0px), var(--scroll-y, 0px), 0) rotate(var(--scroll-rotation, 0deg)) scale(var(--scroll-scale, 1));
  transform-origin: 50% 52%;
  filter: drop-shadow(0 1.2rem 1.8rem rgb(0 0 0 / 20%));
  will-change: transform, opacity;
  pointer-events: none;
}

#beam-path {
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 0.3rem rgb(238 220 184 / 28%));
}

.hero__caption {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
  margin-top: -0.25rem;
  color: var(--prism-muted);
  font-size: 0.66rem;
  letter-spacing: 0.075em;
}

.hero__caption span {
  color: var(--prism-amber);
  font-variant-numeric: tabular-nums;
}

.hero__scroll {
  position: absolute;
  z-index: 3;
  bottom: 1.55rem;
  left: var(--page-gutter);
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--prism-muted);
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.hero__scroll-line {
  position: relative;
  display: block;
  width: 3.25rem;
  height: 1px;
  overflow: hidden;
  background: var(--prism-rule-strong);
}

.hero__scroll-line::after {
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: var(--prism-amber);
  content: "";
  transition: transform 260ms var(--ease-optical);
}

.hero__scroll:hover {
  color: var(--prism-ink);
}

.hero__scroll:hover .hero__scroll-line::after {
  transform: translateX(0);
}

.section {
  position: relative;
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section[id] {
  scroll-margin-top: calc(5.4rem + 1.25rem);
}

.section__index {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--prism-muted);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
}

.section__index span {
  display: inline-block;
  width: 2.4rem;
  height: 1px;
  background: var(--prism-rule-strong);
}

.idea {
  padding-block: clamp(5.5rem, 11vw, 10rem);
  border-bottom: 1px solid var(--prism-rule);
}

.idea::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--page-gutter);
  width: 1px;
  background: linear-gradient(var(--prism-amber), rgb(232 196 134 / 10%) 75%, transparent);
  content: "";
  opacity: 0.5;
  pointer-events: none;
}

.idea .section__index {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.idea__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(15rem, 0.7fr);
  align-items: end;
  gap: clamp(2rem, 8vw, 8rem);
  padding-left: clamp(0rem, 3vw, 2.5rem);
}

.idea__title,
.projects__heading .section__title {
  max-width: 13ch;
  font-size: clamp(3rem, 6.2vw, 6.25rem);
  line-height: 0.98;
}

.idea__title em {
  color: var(--prism-amber);
  font-weight: 400;
}

.idea__text {
  max-width: 34rem;
  padding: 0.25rem 0 0.25rem clamp(1rem, 2.2vw, 1.8rem);
  border-left: 1px solid var(--prism-rule-strong);
}

.idea__text p {
  margin: 0;
  color: var(--prism-ink-soft);
  font-size: 0.98rem;
  line-height: 1.85;
  text-wrap: pretty;
}

.idea__text .idea__lead {
  margin-bottom: 1.1rem;
  color: var(--prism-ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.48;
}

.idea__aside {
  display: flex;
  width: min(100%, 38rem);
  align-items: center;
  gap: 1.2rem;
  margin: clamp(3rem, 7vw, 6rem) 0 0 auto;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--prism-rule);
}

.idea__aside-mark {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgb(232 196 134 / 55%);
  color: var(--prism-amber);
  font-family: Georgia, serif;
  font-size: 1.2rem;
  font-style: italic;
}

.idea__aside p {
  margin: 0;
  color: var(--prism-muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.projects {
  padding-block: clamp(5.5rem, 10vw, 9rem);
  border-bottom: 1px solid var(--prism-rule);
  background:
    linear-gradient(90deg, transparent 0 71%, rgb(240 238 231 / 2.5%) 71.05%, transparent 71.1%),
    linear-gradient(0deg, rgb(240 238 231 / 1.8%), transparent 62%);
}

.projects .section__index {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.projects__heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.projects__heading .eyebrow {
  align-self: flex-start;
  margin: 0 0 1.4rem;
}

.projects__heading .section__title {
  max-width: 11ch;
}

.project-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(19rem, 1.06fr);
  align-items: center;
  gap: clamp(2rem, 6.5vw, 6.5rem);
  margin-top: clamp(2.8rem, 6vw, 5rem);
  padding: clamp(1.8rem, 4.2vw, 3.6rem) clamp(0rem, 1.4vw, 1.25rem) clamp(2rem, 4.5vw, 3.8rem) clamp(0.85rem, 2vw, 1.6rem);
  border-top: 1px solid var(--prism-rule-strong);
  border-bottom: 1px solid var(--prism-rule);
}

.project-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: linear-gradient(var(--prism-amber), transparent 86%);
  content: "";
  opacity: 0.62;
}

.project-card__copy {
  min-width: 0;
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.3rem);
}

.project-card__number,
.project-card__status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--prism-muted);
  font-size: 0.59rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1.5;
  text-transform: uppercase;
}

.project-card__number > span {
  color: var(--prism-amber);
  font-variant-numeric: tabular-nums;
}

.project-card__status {
  color: var(--prism-ink-soft);
  font-size: 0.56rem;
  letter-spacing: 0.075em;
}

.project-card__status-dot {
  width: 0.42rem;
  height: 0.42rem;
  flex: 0 0 auto;
  border: 1px solid var(--prism-amber);
  border-radius: 50%;
  background: rgb(232 196 134 / 28%);
  box-shadow: 0 0 0 0 rgb(232 196 134 / 24%);
  animation: project-status-pulse 2.4s ease-out infinite;
}

@keyframes project-status-pulse {
  65%, 100% {
    box-shadow: 0 0 0 0.45rem rgb(232 196 134 / 0%);
  }
}

.project-card__title {
  max-width: 13ch;
  margin: 0;
  color: var(--prism-ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(2.4rem, 4.8vw, 4.7rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 1.02;
  text-wrap: balance;
}

.project-card__description {
  max-width: 35rem;
  margin: 1.25rem 0 0;
  color: var(--prism-ink-soft);
  font-size: 0.94rem;
  line-height: 1.8;
  text-wrap: pretty;
}

.project-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.1rem;
  margin: 1.35rem 0 0;
  padding: 0;
  color: var(--prism-muted);
  font-size: 0.68rem;
  list-style: none;
}

.project-card__features li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.project-card__features li::before {
  width: 0.28rem;
  height: 0.28rem;
  border: 1px solid var(--prism-cool);
  content: "";
  transform: rotate(45deg);
}

.project-card__link {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.55rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgb(232 196 134 / 42%);
  background: rgb(232 196 134 / 5%);
  color: var(--prism-ink);
  font-size: 0.78rem;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.project-card__link svg {
  width: 1.05rem;
  height: 1.05rem;
  transition: transform 220ms var(--ease-optical);
}

.project-card__link:hover {
  border-color: var(--prism-amber);
  background: rgb(232 196 134 / 12%);
  color: var(--prism-amber);
}

.project-card__link:hover svg {
  transform: translateX(0.28rem);
}

.project-card__visual {
  min-width: 0;
  perspective: 1000px;
}

.project-preview {
  width: 100%;
  height: auto;
  border: 1px solid rgb(240 238 231 / 10%);
  box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 22%);
  transform: rotateY(-4deg) rotateX(1deg);
  transform-origin: center;
  transition: transform 520ms var(--ease-optical), box-shadow 520ms var(--ease-optical);
}

.project-card:hover .project-preview,
.project-card:focus-within .project-preview {
  transform: rotateY(0) rotateX(0) translateY(-0.25rem);
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 32%);
}

.project-card__coordinate {
  position: absolute;
  right: clamp(0rem, 1.4vw, 1.25rem);
  bottom: 0.55rem;
  color: var(--prism-muted);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
}

.site-footer {
  display: grid;
  grid-template-columns: auto minmax(10rem, 1fr) auto auto;
  align-items: center;
  gap: 1.5rem clamp(1.5rem, 4vw, 4rem);
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding: clamp(2.6rem, 5vw, 4.5rem) var(--page-gutter) 2rem;
}

.brand--footer .brand__mark {
  width: 1.8rem;
  height: 1.8rem;
}

.brand--footer .brand__word {
  font-size: 0.72rem;
}

.site-footer__note,
.site-footer__signature {
  margin: 0;
  color: var(--prism-muted);
  font-size: 0.7rem;
  line-height: 1.6;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1.3rem;
}

.site-footer__nav a {
  color: var(--prism-ink-soft);
  font-size: 0.7rem;
  text-decoration-color: transparent;
  text-decoration-line: underline;
  text-underline-offset: 0.3em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.site-footer__nav a:hover {
  color: var(--prism-amber);
  text-decoration-color: currentColor;
}

.site-footer__nav span {
  color: var(--prism-amber);
}

.site-footer__signature {
  justify-self: end;
  color: var(--prism-ink-soft);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 0.9rem;
  font-style: italic;
}

[data-reveal] {
  backface-visibility: hidden;
}

/* Progressive enhancement: hidden only when an early html.js marker exists. */
.js [data-reveal] {
  clip-path: inset(0 0 8% 0);
  opacity: 0;
  transform: translate3d(0, 1.2rem, 0);
  transition:
    opacity 760ms var(--ease-optical),
    transform 900ms var(--ease-optical),
    clip-path 900ms var(--ease-optical);
}

.js [data-reveal].is-visible {
  clip-path: inset(0);
  opacity: 1;
  transform: none;
}

/* The current script also animates on .is-visible if no marker is present. */
[data-reveal].is-visible {
  animation: reveal-enter 900ms var(--ease-optical) both;
}

.js [data-reveal].is-visible {
  animation: none;
}

@keyframes reveal-enter {
  from {
    clip-path: inset(0 0 8% 0);
    opacity: 0;
    transform: translate3d(0, 1.2rem, 0);
  }
  to {
    clip-path: inset(0);
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  :root {
    --page-gutter: clamp(1.5rem, 5vw, 3rem);
  }

  .hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 1.25rem;
  }

  .hero__title {
    font-size: clamp(4rem, 8.2vw, 6.5rem);
  }

  .hero__visual {
    margin-left: -0.75rem;
  }

  .idea__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(14rem, 0.8fr);
    gap: 2.5rem;
  }

  .site-footer {
    grid-template-columns: auto minmax(8rem, 1fr) auto;
  }

  .site-footer__signature {
    grid-column: 2 / -1;
    justify-self: end;
  }
}

@media (max-width: 680px) {
  :root {
    --page-gutter: 1.25rem;
  }

  .section[id] {
    scroll-margin-top: calc(4.5rem + 1rem);
  }

  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem 1rem;
    min-height: 4.5rem;
    padding-block: 0.55rem;
  }

  #back-to-top.back-to-top {
    right: var(--page-gutter);
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    min-width: 3rem;
    min-height: 3rem;
  }

  .brand__mark {
    width: 1.9rem;
    height: 1.9rem;
  }

  .brand__word {
    font-size: 0.74rem;
  }

  .menu-toggle {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.2rem 1.5rem;
    padding: 0.2rem 0 0.4rem;
    border-top: 1px solid var(--prism-rule);
    font-size: 0.75rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    min-height: 2.7rem;
  }

  .hero {
    display: block;
    min-height: 51rem;
    padding-top: clamp(4rem, 11vw, 5.5rem);
    padding-bottom: 18rem;
  }

  .hero::before {
    background:
      linear-gradient(90deg, transparent calc(74% - 0.5px), rgb(240 238 231 / 4%) 74%, transparent calc(74% + 0.5px)),
      repeating-linear-gradient(0deg, transparent 0 5.8rem, rgb(240 238 231 / 2.5%) 5.85rem, transparent 5.9rem);
  }

  .hero::after {
    top: auto;
    right: 0;
    bottom: 3rem;
    width: 90%;
  }

  .hero__copy {
    max-width: 34rem;
  }

  .eyebrow {
    margin-bottom: 1.35rem;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
  }

  .hero__title {
    max-width: 9ch;
    font-size: clamp(3.65rem, 15vw, 5.5rem);
    line-height: 0.94;
  }

  .hero__byline {
    margin-top: 0.35rem;
    font-size: 0.78rem;
  }

  .hero__description {
    max-width: 32rem;
    margin-top: 1rem;
    font-size: 0.96rem;
    line-height: 1.72;
  }

  .hero__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 1.4rem;
  }

  .hero__visual {
    position: absolute;
    right: var(--page-gutter);
    bottom: 2.65rem;
    left: var(--page-gutter);
    width: auto;
    max-width: 27rem;
    margin: 0 auto;
  }

  .prism-art {
    max-width: 23rem;
    margin-inline: auto;
    translate: clamp(-1.25rem, var(--scroll-x, 0px), 1.25rem) clamp(-1.25rem, var(--scroll-y, 0px), 1.25rem);
    transform: rotate(var(--scroll-rotation, 0deg)) scale(var(--scroll-scale, 1));
  }

  .hero__caption {
    margin-top: -0.35rem;
    font-size: 0.59rem;
  }

  .hero__scroll {
    bottom: 1.15rem;
    gap: 0.6rem;
    font-size: 0.57rem;
  }

  .hero__scroll-line {
    width: 2.25rem;
  }

  .idea {
    padding-block: 4.8rem;
  }

  .idea::before {
    left: var(--page-gutter);
  }

  .idea .section__index,
  .projects .section__index {
    margin-bottom: 2rem;
  }

  .idea__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.8rem;
    padding-left: 0.7rem;
  }

  .idea__title,
  .projects__heading .section__title {
    max-width: 12ch;
    font-size: clamp(2.8rem, 11vw, 4.5rem);
  }

  .idea__text {
    max-width: 34rem;
  }

  .idea__text p {
    font-size: 0.94rem;
  }

  .idea__aside {
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1rem;
  }

  .projects {
    padding-block: 4.8rem;
    background:
      linear-gradient(90deg, transparent 0 76%, rgb(240 238 231 / 2.5%) 76.05%, transparent 76.1%),
      linear-gradient(0deg, rgb(240 238 231 / 1.8%), transparent 62%);
  }

  .projects__heading {
    display: block;
  }

  .projects__heading .eyebrow {
    margin-bottom: 1.1rem;
  }

  .project-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.8rem;
    margin-top: 2.5rem;
    padding: 1.5rem 0.35rem 2rem 0.75rem;
  }

  .project-card__meta {
    margin-bottom: 1.45rem;
  }

  .project-card__title {
    max-width: 14ch;
    font-size: clamp(2.15rem, 9vw, 3.35rem);
  }

  .project-card__description {
    margin-top: 1rem;
    font-size: 0.88rem;
  }

  .project-card__features {
    gap: 0.5rem 0.9rem;
    margin-top: 1.1rem;
    font-size: 0.64rem;
  }

  .project-card__link {
    margin-top: 1.15rem;
  }

  .project-card__visual {
    width: min(100%, 36rem);
    margin-inline: auto;
  }

  .project-preview {
    transform: none;
  }

  .project-card__coordinate {
    right: 0.35rem;
    bottom: 0.4rem;
    font-size: 0.5rem;
  }

  .site-footer {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.05rem;
    padding-block: 3.2rem 1.6rem;
  }

  .site-footer__signature {
    grid-column: auto;
    justify-self: start;
  }
}

@media (max-width: 390px) {
  .hero {
    min-height: min(48rem, calc(100svh - 4.5rem));
    padding-bottom: 14rem;
  }

  .hero__title {
    font-size: clamp(3.35rem, 14.5vw, 4.3rem);
  }

  .hero__visual {
    right: 0.9rem;
    left: 0.9rem;
  }

  .prism-art {
    max-width: 17.5rem;
  }

  .project-card {
    padding-right: 0.1rem;
    padding-left: 0.55rem;
  }

  .project-card__meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .project-card__status {
    font-size: 0.52rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  [data-reveal],
  [data-reveal].is-visible,
  .js [data-reveal],
  .js [data-reveal].is-visible {
    clip-path: none !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }

  .prism-art {
    translate: none;
    transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
    opacity: 0.82;
    will-change: auto;
  }

  #site-header,
  #back-to-top.back-to-top {
    transition: none !important;
  }
}

@media (forced-colors: active) {
  :where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 2px solid Highlight;
  }

  .page-progress__fill,
  .prism-art {
    forced-color-adjust: none;
  }
}

/* V4 keeps the page-wide light field and optimizes its motion. */
body {
  isolation: isolate;
}

#main-content,
.site-footer {
  position: relative;
  z-index: 1;
}

.motion-world {
  position: fixed;
  z-index: 0;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  max-width: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 800ms var(--ease-optical);
}

.motion-ready .motion-world {
  opacity: 1;
}

.motion-ready .prism-art {
  opacity: 0.12 !important;
  transform: none;
  filter: none;
  transition: opacity 700ms var(--ease-optical);
}

.hero__caption {
  justify-content: space-between;
  gap: 0.75rem;
}

.hero__caption-label {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.65rem;
}

.hero__caption-label > span {
  flex: 0 0 auto;
  color: var(--prism-amber);
}

.scene-replay {
  display: none;
  min-height: 2rem;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.32rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--prism-rule);
  border-radius: 0;
  background: rgb(16 17 15 / 72%);
  color: var(--prism-muted);
  font-size: 0.58rem;
  letter-spacing: 0.045em;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.motion-ready .scene-replay {
  display: inline-flex;
}

.scene-replay > span {
  color: var(--prism-amber);
  font-size: 1rem;
  line-height: 1;
  transition: transform 420ms var(--ease-optical);
}

.scene-replay:hover {
  border-color: var(--prism-amber);
  background: rgb(232 196 134 / 8%);
  color: var(--prism-ink);
}

.scene-replay:hover > span {
  transform: rotate(-180deg);
}

.scene-replay:active > span {
  transform: rotate(-360deg);
}

.site-footer__nav a,
.text-link,
.site-nav__link {
  position: relative;
  z-index: 2;
}

@media (max-width: 680px) {
  .motion-world {
    opacity: 0.82;
  }

  .motion-ready .motion-world {
    opacity: 0.6;
  }

  .motion-ready .prism-art {
    opacity: 0.04 !important;
  }

  .hero__caption {
    gap: 0.35rem;
    font-size: 0.55rem;
  }

  .hero__caption-label {
    gap: 0.42rem;
  }

  .scene-replay {
    gap: 0.22rem;
    padding-inline: 0.3rem;
    font-size: 0.52rem;
  }
}

@media (max-width: 360px) {
  .hero__caption {
    font-size: 0.5rem;
  }

  .prism-art {
    max-width: 12rem;
  }

  .scene-replay {
    font-size: 0.48rem;
  }
}

@media (prefers-reduced-motion: reduce), (forced-colors: active) {
  .motion-world {
    display: none !important;
    opacity: 0 !important;
  }

  .motion-ready .prism-art {
    opacity: 0.82 !important;
    transform: none;
  }
}