:root {
  color-scheme: dark;
  --black: #050505;
  --white: #f5f3ee;
  --muted: rgba(245, 243, 238, 0.52);
  --edge: clamp(1.15rem, 2.3vw, 2.7rem);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--black);
  scroll-behavior: smooth;
}

body {
  min-width: 18rem;
  margin: 0;
  overflow-x: hidden;
  background: var(--black);
  color: var(--white);
  font-family: Arial, Helvetica, sans-serif;
}

body.overlay-open {
  overflow: hidden;
}

button,
a {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

a {
  text-decoration: none;
}

.page-arrival {
  position: fixed;
  z-index: 200;
  inset: 0;
  background: var(--black);
  pointer-events: none;
  animation: page-arrival 700ms ease forwards;
  transition: opacity 650ms ease;
}

.page-arrival.is-leaving {
  opacity: 1;
  visibility: visible;
  animation: none;
  transition: opacity 650ms ease;
}

.portfolio-header {
  position: fixed;
  z-index: 40;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 6.5rem;
  padding: 0 var(--edge);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.portfolio-header a,
.portfolio-header button {
  pointer-events: auto;
}

.portfolio-brand {
  font-family: "Eurostile Extended", "Eurostile Ext", "Microgramma D Extended", "Arial Black", Arial, sans-serif;
  font-size: clamp(1rem, 1.45vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.015em;
}

.portfolio-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.05rem, 2.25vw, 3.2rem);
}

.portfolio-nav a,
.portfolio-nav button,
.lightbox__close {
  padding: 0;
  background: transparent;
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portfolio-nav button:disabled {
  cursor: default;
  opacity: 0.38;
}

.portfolio-nav a,
.portfolio-nav button {
  position: relative;
}

.portfolio-nav a::after,
.portfolio-nav button::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms ease;
}

.portfolio-nav a:hover::after,
.portfolio-nav a:focus-visible::after,
.portfolio-nav button:not(:disabled):hover::after,
.portfolio-nav button:not(:disabled):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.portfolio-page {
  min-height: 100svh;
  padding: clamp(7.5rem, 14vh, 10rem) var(--edge) var(--edge);
}

.portfolio-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(1.2rem, 2.3vw, 2.5rem);
}

.portfolio-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.portfolio-grid__items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.6rem, 1.2vw, 1.3rem);
}

.portfolio-grid__items:empty {
  min-height: calc(100svh - 12rem);
}

.portfolio-grid__items:empty::before,
.portfolio-grid__items.is-empty {
  display: grid;
  place-items: center;
  color: var(--muted);
  content: "Loading selected work";
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.portfolio-grid__item {
  position: relative;
  padding: 0;
  overflow: hidden;
  background: #111;
  cursor: zoom-in;
  aspect-ratio: 16 / 9;
}

.portfolio-grid__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.018);
  transition:
    opacity 500ms ease,
    transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.portfolio-grid__item img.is-loaded {
  opacity: 1;
  transform: scale(1);
}

.portfolio-grid__item:hover img,
.portfolio-grid__item:focus-visible img {
  opacity: 0.72;
  transform: scale(1.035);
}

.portfolio-grid__item span {
  position: absolute;
  right: 0.55rem;
  bottom: 0.45rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
}

.lightbox {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) 4rem;
  align-items: center;
  padding: 4.5rem var(--edge) 3rem;
  background: rgba(2, 2, 2, 0.985);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 350ms ease,
    visibility 0s linear 350ms;
}

.lightbox-open .lightbox {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.lightbox__image {
  grid-column: 2;
  width: 100%;
  height: min(82svh, 60vw);
  object-fit: contain;
  opacity: 0;
  transform: scale(0.992);
  transition: opacity 240ms ease, transform 360ms ease;
}

.lightbox__image.is-loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: var(--edge);
  right: var(--edge);
}

.lightbox__previous,
.lightbox__next {
  padding: 1rem;
  background: transparent;
  cursor: pointer;
  font-size: 1.35rem;
}

.lightbox__previous {
  grid-column: 1;
}

.lightbox__next {
  grid-column: 3;
}

.lightbox__counter {
  position: absolute;
  bottom: var(--edge);
  left: 50%;
  margin: 0;
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  transform: translateX(-50%);
}

:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 0.35rem;
}

@keyframes page-arrival {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

@media (max-width: 700px) {
  .portfolio-header {
    min-height: 5.4rem;
  }

  .portfolio-brand {
    font-size: 0.8rem;
  }

  .portfolio-nav {
    gap: 0.8rem;
  }

  .portfolio-nav a,
  .portfolio-nav button {
    font-size: 0.52rem;
    letter-spacing: 0.05em;
  }

  .portfolio-page {
    padding-top: 6.8rem;
  }

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

  .lightbox {
    grid-template-columns: 2.5rem minmax(0, 1fr) 2.5rem;
    padding-right: 0.4rem;
    padding-left: 0.4rem;
  }

  .lightbox__image {
    height: 76svh;
  }
}

@media (max-width: 430px) {
  .portfolio-nav a[href="#about"],
  .portfolio-nav a[href="#contact"] {
    display: none;
  }
}

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

  .page-arrival,
  .portfolio-grid__item img,
  .lightbox,
  .lightbox__image {
    animation-duration: 1ms;
    transition-duration: 1ms;
  }
}