/* Spiral Gallery — design study of a spiral WebGL portfolio layout.
   Root font-size scales with viewport so `rem` behaves as a design pixel
   on a 1440pt artboard. */

html {
  font-size: max(calc(100vw / 1440), 0.72px);
}

:root {
  --color-bg-dark: #0a0a0a;
  --color-white: #f8f8f8;
  --color-grey: #d6d6d6;
  --grid-margin: 28rem;
  --gap-20: 20rem;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-quad-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--color-bg-dark);
  color: var(--color-white);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button {
  background: none;
  border: none;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

/* ---------------------------------------------------------------- grid bg */

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 50rem 50rem;
  background-position: center center;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, transparent 30%, #000 75%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, transparent 30%, #000 75%);
}

/* ----------------------------------------------------------------- webgl */

.webgl {
  display: block;
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: opacity 0.5s ease-out;
}

.webgl.hide {
  opacity: 0;
  pointer-events: none;
}

/* ------------------------------------------------------------- list view */

.list-view {
  position: fixed;
  inset: 0;
  z-index: 2;
  overflow-y: auto;
  overflow-x: hidden;
  transition: opacity 0.5s ease-out;
  scrollbar-width: none;
}

.list-view::-webkit-scrollbar { display: none; }

.list-view.hide {
  opacity: 0;
  pointer-events: none;
}

.list-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 100vh;
  padding-block: calc(20vh - 60rem);
  margin: var(--grid-margin);
}

.list-wrapper .project p {
  cursor: pointer;
  font-size: 60rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  padding: 10rem 0;
  transition: opacity 0.3s ease;
  will-change: transform, opacity;
}

@media screen and (hover: hover) and (pointer: fine) {
  .list-wrapper:has(.project p:hover) .project p:not(:hover) { opacity: 0.4; }
  .list-wrapper .project p:hover { opacity: 1; transition: none; }
}

/* ----------------------------------------------------------------- overlay */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  transition: opacity 0.5s ease-out;
}

.overlay > * { pointer-events: auto; }

/* logo ------------------------------------------------------------------- */

.logo-wrapper {
  position: fixed;
  top: var(--grid-margin);
  left: var(--grid-margin);
  width: 64rem;
  height: 64rem;
  cursor: pointer;
  z-index: 20;
}

.logo-face {
  width: 100%;
  height: 100%;
  transition: transform 0.2s ease-out;
}

.logo-wrapper:active .logo-face { transform: scale(0.9); }

.logo-tag-wrapper {
  position: absolute;
  left: calc(100% + 8rem);
  top: 16rem;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.5) translateX(-10%);
  transform-origin: left center;
  transition: opacity 0.2s ease-out, transform 0.5s var(--ease-spring);
}

@media screen and (hover: hover) and (pointer: fine) {
  .logo-wrapper:hover .logo-tag-wrapper {
    opacity: 1;
    transform: scale(1) rotate(-5deg) translateY(-12rem);
  }
}

.tag-bubble {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-bg-dark);
  font-size: 22rem;
  font-weight: 600;
  padding: 10rem 22rem;
  border-radius: 100rem 100rem 100rem 4rem;
  white-space: nowrap;
}

.tag-star {
  position: absolute;
  width: 32rem;
  height: 32rem;
  right: -12rem;
  top: -12rem;
  z-index: -1;
}

/* switch ------------------------------------------------------------------ */

.switch {
  position: fixed;
  top: calc(var(--grid-margin) + 15rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 20rem;
  z-index: 20;
}

.switch .dot {
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  background: var(--color-white);
}

.switch .button {
  display: flex;
  min-width: 60rem;
  font-size: 18rem;
  font-weight: 500;
  opacity: 0.4;
  transition: opacity 0.3s ease-out;
}

.switch .button:first-child { justify-content: flex-end; }
.switch .button.active { opacity: 1; }

.switch .button button {
  position: relative;
  overflow: hidden;
  font-size: inherit;
  font-weight: inherit;
}

.switch .button button span {
  display: block;
  user-select: none;
  transition: transform 0.3s var(--ease-spring), opacity 0.3s ease;
}

.switch .button button span:nth-child(2) {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  transform: translateY(-100%);
}

.switch .button button:hover span:first-child,
.switch .button.active button span:first-child {
  opacity: 0;
  transform: translateY(100%);
}

.switch .button button:hover span:nth-child(2),
.switch .button.active button span:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
}

/* menu -------------------------------------------------------------------- */

.menu { position: fixed; top: 0; right: 0; z-index: 30; }

.menu-button {
  position: fixed;
  top: var(--grid-margin);
  right: var(--grid-margin);
  display: flex;
  align-items: center;
  background: var(--color-white);
  color: var(--color-bg-dark);
  font-size: 18rem;
  font-weight: 500;
  padding: 15rem 28rem 15rem 18rem;
  border-radius: 100rem;
  z-index: 50;
  user-select: none;
}

.menu-button::after {
  content: "";
  width: 6rem;
  height: 6rem;
  margin-left: 8rem;
  border-radius: 50%;
  background: var(--color-bg-dark);
}

.menu-button .text {
  transform-origin: left center;
  transition: opacity 0.2s ease 0.35s, transform 0.2s ease 0.35s;
}

.menu.opened .menu-button {
  cursor: default;
  pointer-events: none;
  background: transparent;
}

.menu-button::after { transition: opacity 0.2s ease; }
.menu.opened .menu-button::after { opacity: 0; }

.menu.opened .menu-button .text {
  opacity: 0;
  transform: translateX(5px);
  transition-delay: 0s;
}

/* expanding white panel */
.menu-panel-bg {
  position: fixed;
  top: var(--grid-margin);
  right: var(--grid-margin);
  width: 92rem;
  height: 48rem;
  background: var(--color-white);
  border-radius: 24rem;
  z-index: 40;
  transition:
    width 0.9s var(--ease-spring),
    height 1s var(--ease-spring),
    border-radius 0.9s ease;
}

.menu.opened .menu-panel-bg {
  width: min(440rem, calc(100vw - var(--grid-margin) * 2));
  height: calc(100dvh - var(--grid-margin) * 2);
  border-radius: 16rem;
}

.menu-panel {
  position: fixed;
  top: var(--grid-margin);
  right: var(--grid-margin);
  width: 92rem;
  height: 48rem;
  overflow: hidden;
  z-index: 45;
  pointer-events: none;
  transition: width 0.9s var(--ease-spring), height 1s var(--ease-spring);
}

.menu.opened .menu-panel {
  width: min(440rem, calc(100vw - var(--grid-margin) * 2));
  height: calc(100dvh - var(--grid-margin) * 2);
  pointer-events: auto;
}

.menu-container {
  position: absolute;
  top: 0;
  right: 0;
  width: min(440rem, calc(100vw - var(--grid-margin) * 2));
  height: calc(100dvh - var(--grid-margin) * 2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gap-20);
  padding-left: 45rem;
  color: var(--color-bg-dark);
}

.menu-links {
  display: flex;
  flex-direction: column;
  gap: 12rem;
  pointer-events: none;
}

.menu.opened .menu-links { pointer-events: auto; }

.menu-links .link {
  position: relative;
  width: fit-content;
  font-size: 80rem;
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 100%;
  cursor: pointer;
  transition: padding-left 0.5s var(--ease-spring);
}

.menu-links .link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  background: var(--color-bg-dark);
  opacity: 0;
  transform: translateY(-50%) scale(0);
  transition: transform 0.5s var(--ease-spring), opacity 0.5s var(--ease-spring);
}

@media screen and (hover: hover) and (pointer: fine) {
  .menu-links .link:hover { padding-left: 40rem; }
  .menu-links .link:hover::before {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

/* staggered reveal of links */
.menu-links .link a span {
  display: block;
  opacity: 0;
  transform: translateY(40%) rotate(2deg);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.menu.opened .menu-links .link a span {
  opacity: 1;
  transform: translateY(0) rotate(0);
  transition: opacity 0.6s ease, transform 0.6s var(--ease-spring);
}

.menu.opened .menu-links .link:nth-child(1) a span { transition-delay: 0.25s; }
.menu.opened .menu-links .link:nth-child(2) a span { transition-delay: 0.32s; }
.menu.opened .menu-links .link:nth-child(3) a span { transition-delay: 0.39s; }

.menu-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20rem;
  padding: var(--gap-20);
  padding-left: 45rem;
}

.menu-mail {
  font-size: 16rem;
  font-weight: 500;
  opacity: 0;
  transform: translate(10px, -10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.menu.opened .menu-mail {
  opacity: 1;
  transform: translate(0, 0);
  transition: opacity 0.5s ease 0.3s, transform 0.5s ease 0.3s;
}

.menu-social-links {
  display: flex;
  opacity: 0;
  transform: translate(10px, -10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.menu.opened .menu-social-links {
  opacity: 1;
  transform: translate(0, 0);
  transition: opacity 0.5s ease 0.4s, transform 0.5s ease 0.4s;
}

.social-link { display: block; padding: 0 4rem; }
.social-link:first-child { padding-left: 0; }
.social-link:last-child { padding-right: 0; }

.social-link-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48rem;
  height: 48rem;
  border-radius: 50%;
  background: var(--color-bg-dark);
  color: var(--color-white);
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.social-link-inner svg { width: 18rem; height: 18rem; }

.menu-social-links:has(.social-link:hover) .social-link:not(:hover) .social-link-inner {
  background: var(--color-grey);
  color: var(--color-bg-dark);
  transform: scale(0.9);
}

/* close button */
.close-button {
  position: absolute;
  top: 20rem;
  right: 20rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48rem;
  height: 48rem;
  border-radius: 50%;
  background: var(--color-bg-dark);
  color: var(--color-white);
  transform-origin: top right;
  transform: scale(0.125);
  pointer-events: none;
  transition: transform 0.8s var(--ease-spring);
  z-index: 60;
}

.close-button svg {
  width: 10rem;
  height: 10rem;
  opacity: 0;
  transform: rotate(-45deg);
  transition: transform 0.5s ease, opacity 0.3s ease;
}

.close-button .text {
  position: absolute;
  left: -54rem;
  color: var(--color-bg-dark);
  font-size: 18rem;
  font-weight: 500;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.1s ease, transform 0.1s ease;
}

.menu.opened .close-button {
  transform: scale(1);
  pointer-events: auto;
}

.menu.opened .close-button svg {
  opacity: 1;
  transform: rotate(0);
}

.menu.opened .close-button .text {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.3s ease 0.2s, transform 0.3s ease 0.2s;
}

/* showreel thumbnail ------------------------------------------------------ */

.showreel-thumbnail {
  position: fixed;
  bottom: var(--grid-margin);
  left: var(--grid-margin);
  z-index: 10;
}

.thumbnail-wrapper {
  position: absolute;
  left: -140rem;
  top: -40rem;
  width: 280rem;
  aspect-ratio: 16 / 9;
  transform: rotate(-15deg);
  transition: transform 0.3s var(--ease-spring);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border-radius: 20rem;
}

.thumbnail-wrapper:hover {
  transform: rotate(-13deg) scale(1.05);
}

.thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20rem;
  cursor: pointer;
  object-fit: cover;
}

.marquee-container {
  position: absolute;
  left: -12rem;
  top: -12rem;
  width: calc(100% + 200rem);
  height: 100%;
  pointer-events: none;
}

@keyframes moveAlong {
  0%   { offset-distance: -100%; }
  100% { offset-distance: 0%; }
}

.marquee-text {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 18rem;
  font-weight: 500;
  animation: moveAlong 12s linear infinite;
  offset-path: path("M29.6 182H274.4C290.1 182 304 169 304 152.3V29.7C304 13 291.1 0 274.4 0H29.6C12.9 0 0 13 0 29.7V152.3C0 169 13.9 182 29.6 182Z");
  offset-rotate: auto 180deg;
  offset-anchor: bottom;
}

/* sound button ------------------------------------------------------------ */

.sound-button {
  position: fixed;
  bottom: var(--grid-margin);
  right: var(--grid-margin);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48rem;
  height: 48rem;
  color: var(--color-bg-dark);
  z-index: 10;
  isolation: isolate;
}

.sound-button .background {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-white);
  transition: transform 0.15s ease-out;
}

.sound-button .icon { position: relative; z-index: 1; }

@media screen and (hover: hover) and (pointer: fine) {
  .sound-button:hover .background { transform: scale(0.9); }
}

.sound-button .icon { width: 16rem; height: 16rem; }

.sound-button .bars rect {
  transform-origin: center;
  transition: transform 0.3s ease;
}

@keyframes eq {
  0%, 100% { transform: scaleY(0.4); }
  50%      { transform: scaleY(1); }
}

.sound-button.playing .bars rect { animation: eq 0.8s ease-in-out infinite; }
.sound-button.playing .bars rect:nth-child(2) { animation-delay: 0.15s; }
.sound-button.playing .bars rect:nth-child(3) { animation-delay: 0.3s; }
.sound-button.playing .bars rect:nth-child(4) { animation-delay: 0.45s; }

.sound-button:not(.playing) .bars rect { transform: scaleY(0.25); }

/* project page ------------------------------------------------------------ */

.project-page {
  position: fixed;
  inset: 0;
  z-index: 5;
  background: var(--color-bg-dark);
  opacity: 0;
  pointer-events: none;
}

.project-page.opened {
  opacity: 1;
  pointer-events: auto;
}

.project-scroll {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}

.project-scroll::-webkit-scrollbar { display: none; }

/* hero */
.project-hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.75) 0%, rgba(10, 10, 10, 0) 45%);
}

.hero-text {
  position: absolute;
  left: var(--grid-margin);
  right: var(--grid-margin);
  bottom: var(--grid-margin);
}

.project-index {
  font-size: 16rem;
  font-weight: 500;
  opacity: 0.6;
  margin-bottom: 12rem;
}

.project-title {
  font-size: 110rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 100%;
  overflow: hidden;
}

.project-title .title-line {
  display: block;
  will-change: transform;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10rem;
  margin-top: 24rem;
}

.project-meta span {
  font-size: 15rem;
  font-weight: 500;
  padding: 8rem 16rem;
  border: 1px solid rgba(248, 248, 248, 0.3);
  border-radius: 100rem;
  white-space: nowrap;
}

/* body */
.project-body {
  padding: 140rem var(--grid-margin);
  display: flex;
  flex-direction: column;
  gap: 110rem;
  align-items: center;
}

.project-body p {
  max-width: 640rem;
  font-size: 22rem;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(248, 248, 248, 0.78);
}

.project-body .lead::first-letter {
  font-size: 150%;
  font-weight: 500;
}

.project-figures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24rem;
  width: min(1100rem, 100%);
}

.project-figures .figure {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 20rem;
  transition: transform 0.5s var(--ease-spring);
}

.project-figures .figure:hover { transform: scale(1.02) rotate(0.5deg); }

/* next project footer */
.project-next {
  padding: 0 var(--grid-margin) 160rem;
  text-align: center;
}

.next-label {
  font-size: 16rem;
  font-weight: 500;
  opacity: 0.5;
  margin-bottom: 16rem;
}

.next-link {
  position: relative;
  font-size: 72rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--color-white);
  transition: padding-left 0.5s var(--ease-spring);
}

.next-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: var(--color-white);
  opacity: 0;
  transform: translateY(-50%) scale(0);
  transition: transform 0.5s var(--ease-spring), opacity 0.5s var(--ease-spring);
}

@media screen and (hover: hover) and (pointer: fine) {
  .next-link:hover { padding-left: 36rem; }
  .next-link:hover::before {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

/* back pill */
.project-close {
  position: fixed;
  bottom: var(--grid-margin);
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  background: var(--color-white);
  color: var(--color-bg-dark);
  font-size: 18rem;
  font-weight: 500;
  padding: 15rem 24rem;
  border-radius: 100rem;
  opacity: 0;
  translate: 0 20rem;
  transition: opacity 0.3s ease, translate 0.4s var(--ease-spring), scale 0.2s ease;
  pointer-events: none;
}

.project-close::after {
  content: "";
  width: 6rem;
  height: 6rem;
  margin-left: 8rem;
  border-radius: 50%;
  background: var(--color-bg-dark);
}

.project-page.opened .project-close {
  opacity: 1;
  translate: 0 0;
  pointer-events: auto;
  transition-delay: 0.4s;
}

.project-close:hover { scale: 1.05; }
.project-close:active { scale: 0.95; }

/* chrome that steps aside while a project is open */
.switch,
.showreel-thumbnail,
.sound-button {
  transition: opacity 0.4s ease, visibility 0.4s;
}

body.project-open .switch,
body.project-open .showreel-thumbnail,
body.project-open .sound-button {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media screen and (max-width: 900px) {
  .project-title { font-size: 64rem; }
  .project-figures { grid-template-columns: 1fr; }
  .next-link { font-size: 48rem; }
}

/* loader ------------------------------------------------------------------ */

.loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-dark);
  color: var(--color-white);
  transition: transform 0.6s var(--ease-quad-in-out), opacity 0.6s ease;
}

.loader.leave {
  transform: translateY(-100%);
  pointer-events: none;
}

.loader-face {
  width: 110px;
  height: 110px;
  margin-top: -100rem;
  margin-bottom: 24rem;
}

.loader .text {
  font-size: 24rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 32rem;
}

.loader .text .line { display: block; overflow: hidden; }

.loader .enter {
  display: inline-flex;
  align-items: center;
  background: var(--color-white);
  color: var(--color-bg-dark);
  font-size: 18rem;
  font-weight: 500;
  padding: 15rem 24rem;
  border-radius: 50rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease-out 0.2s, transform 0.2s ease;
  will-change: transform;
}

.loader .enter::after {
  content: "";
  width: 6rem;
  height: 6rem;
  margin-left: 8rem;
  border-radius: 50%;
  background: var(--color-bg-dark);
}

.loader .enter:hover { transform: scale(1.05); }
.loader .enter:active { transform: scale(0.95); }

.loader.ready .enter {
  opacity: 1;
  pointer-events: auto;
}

.loader .no-sound {
  position: absolute;
  bottom: var(--grid-margin);
  left: 50%;
  translate: -50% 0;
  font-size: 14rem;
  font-weight: 400;
  color: var(--color-white);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease-out 0.3s, transform 0.3s ease-out 0.3s;
}

.loader .no-sound::before {
  content: "";
  position: absolute;
  bottom: -2rem;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.15s ease-in-out;
}

.loader .no-sound:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.loader.ready .no-sound {
  opacity: 0.7;
  pointer-events: auto;
}

.loader .percentage {
  position: absolute;
  bottom: var(--grid-margin);
  left: var(--grid-margin);
  font-size: 18rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* responsive --------------------------------------------------------------- */

@media screen and (max-width: 900px) {
  html { font-size: max(calc(100vw / 720), 0.72px); }
  .list-wrapper .project p { font-size: 40rem; }
  .menu-links .link { font-size: 64rem; }
  .menu-container { padding-left: var(--gap-20); }
  .menu-footer { padding-left: var(--gap-20); }
}