/* Mahdi Cheraghali, portfolio. Plain CSS, no build step. */

/* ---------- Fonts (self-hosted, SIL OFL, see assets/fonts/OFL.txt) ---------- */
@font-face {
  font-family: "Barlow Condensed";
  src: url("../assets/fonts/barlow-condensed-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("../assets/fonts/barlow-condensed-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --bg: #F4F2EE;
  --surface: #FFFFFF;
  --ink: #16202B;
  --muted: #5B6672;
  --line: #DAD6CE;
  --line-strong: #16202B;
  --accent: #A8481A;
  --on-accent: #FFFFFF;

  /* Dark bands (hero, contact) look the same in both color schemes. */
  --band: #16202B;
  --band-ink: #ECE9E2;
  --band-muted: #A3ADB8;
  --band-line: #33404D;
  --band-accent: #E08A5A;
  --grid: rgba(236, 233, 226, 0.06);

  --chip-bg: rgba(22, 32, 43, 0.85);
  --chip-ink: #FFFFFF;
  --overlay: rgba(12, 16, 20, 0.95);

  --display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", system-ui, sans-serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --step--2: 0.75rem;
  --step--1: clamp(0.84rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.3rem);
  --step-2: clamp(1.5rem, 1.3rem + 0.9vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3.25rem);
  --step-4: clamp(2.6rem, 1.8rem + 4vw, 5rem);
  --step-5: clamp(3.4rem, 2rem + 7.5vw, 8.5rem);

  --gutter: clamp(1rem, 0.6rem + 2vw, 2rem);
  --space-s: 0.75rem;
  --space-m: 1.5rem;
  --space-l: clamp(2rem, 1.5rem + 2vw, 3rem);
  --space-xl: clamp(4rem, 3rem + 5vw, 8rem);
  --radius: 4px;
  --max: 1120px;
  --header-h: 3.75rem;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161C;
    --surface: #1A222B;
    --ink: #ECE9E2;
    --muted: #A3ADB8;
    --line: #2B3641;
    --line-strong: #ECE9E2;
    --accent: #E08A5A;
    --on-accent: #11161C;
    --band: #0B0F13;
    --band-line: #26313C;
    --chip-bg: rgba(17, 22, 28, 0.88);
    --chip-ink: #ECE9E2;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  overflow-wrap: break-word;
}

[lang="de"] {
  hyphens: auto;
}

/* Language switching: hide the inactive language. */
html[data-lang="en"] body [lang="de"]:not(.lang-switch__btn),
html[data-lang="de"] body [lang="en"]:not(.lang-switch__btn) {
  display: none !important;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.1;
  text-wrap: balance;
}

p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent);
}

.icon {
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.band :focus-visible {
  outline-color: var(--band-accent);
}

main:focus {
  outline: none;
}

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.label {
  font-family: var(--mono);
  font-size: var(--step--2);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 0.5rem;
  color: var(--on-accent);
}

/* ---------- Bands ---------- */
.band {
  background-color: var(--band);
  color: var(--band-ink);
  --muted: var(--band-muted);
  --line: var(--band-line);
  --line-strong: var(--band-ink);
  --accent: var(--band-accent);
  --on-accent: #11161C;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--band);
  color: var(--band-ink);
  border-bottom: 1px solid var(--band-line);
  --accent: var(--band-accent);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: auto;
  text-decoration: none;
  white-space: nowrap;
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--band-ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.brand__name {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand:hover {
  color: var(--band-accent);
}

.brand:hover .brand__mark {
  border-color: var(--band-accent);
}

.site-nav__list {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}

.site-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding-block: 0.5rem;
  text-decoration: none;
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--band-accent);
}

.site-nav a:hover {
  color: var(--band-accent);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--band-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.no-js .lang-switch,
.no-js .menu-toggle {
  display: none;
}

.lang-switch__btn {
  min-width: 2.5rem;
  min-height: 2.25rem;
  padding: 0.25rem 0.5rem;
  border: 0;
  background: none;
  color: var(--band-muted);
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  cursor: pointer;
}

.lang-switch__btn:hover {
  color: var(--band-ink);
}

.lang-switch__btn[aria-pressed="true"] {
  background: var(--band-ink);
  color: var(--band);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--band-line);
  border-radius: var(--radius);
  background: none;
  color: var(--band-ink);
  font: inherit;
  font-size: var(--step--1);
  cursor: pointer;
}

.menu-toggle__bars,
.menu-toggle__bars::before,
.menu-toggle__bars::after {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}

.menu-toggle__bars {
  position: relative;
}

.menu-toggle__bars::before,
.menu-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle__bars::before {
  top: -5px;
}

.menu-toggle__bars::after {
  top: 5px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (max-width: 759px) {
  .brand__name {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .js .brand {
    margin-right: auto;
  }

  .js .menu-toggle {
    display: inline-flex;
    order: 3;
  }

  .js .lang-switch {
    order: 2;
  }

  .js .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    background: var(--band);
    border-bottom: 1px solid var(--band-line);
  }

  .js .site-nav.is-open {
    display: block;
  }

  .js .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gutter) 1rem;
  }

  .js .site-nav a {
    display: flex;
    padding: 0.85rem 0;
    font-size: var(--step-0);
    border-bottom: 1px solid var(--band-line);
  }

  .no-js .site-header__inner {
    flex-wrap: wrap;
    row-gap: 0;
    padding-block: 0.5rem;
  }

  .no-js .site-nav {
    flex-basis: 100%;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0.6rem 1.4rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn--primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn--ghost {
  border-color: currentColor;
}

.btn--ghost:hover {
  background: var(--band-ink);
  border-color: var(--band-ink);
  color: var(--band);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}

.hero__grid {
  display: grid;
  gap: var(--space-l);
  align-items: end;
  padding-block: var(--space-l) var(--space-l);
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--band-muted);
}

.hero__kicker::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--band-accent);
}

.hero__name {
  margin-top: 1rem;
  font-family: var(--display);
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.005em;
  text-transform: uppercase;
}

.hero__name span {
  display: block;
}

.hero__name span:last-child {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--band-ink);
}

.hero__title {
  margin-top: 1.25rem;
  font-family: var(--display);
  font-size: var(--step-2);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--band-accent);
}

.hero__sub {
  margin-top: 1rem;
  max-width: 36em;
  color: var(--band-muted);
  font-size: var(--step-1);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-l);
}

.hero__portrait {
  position: relative;
  justify-self: start;
  width: min(240px, 60vw);
}

.arch {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--band-line);
  border-radius: 999px 999px 0 0;
  background: var(--band-line);
}

.hero__portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
}

.hero__coords {
  display: flex;
  justify-content: space-between;
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--band-line);
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  color: var(--band-muted);
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  border-top: 1px solid var(--band-line);
}

.hero-fact {
  padding-block: 1.25rem 1.75rem;
}

.hero-fact__label {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--band-accent);
}

.hero-fact__text {
  margin-top: 0.35rem;
  font-size: var(--step--1);
  color: var(--band-ink);
  line-height: 1.45;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    padding-block: var(--space-xl) var(--space-l);
  }

  .hero__text {
    grid-column: 1 / span 8;
  }

  .hero__portrait {
    grid-column: 10 / span 3;
    width: 100%;
    max-width: 340px;
    justify-self: end;
  }

  .hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-fact {
    padding-inline: var(--space-m);
    border-left: 1px solid var(--band-line);
  }

  .hero-fact:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- Section heads ---------- */
.section {
  padding-top: var(--space-xl);
}

.sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: 0.5rem 1.25rem;
  padding-top: 0.75rem;
  margin-bottom: var(--space-l);
  border-top: 2px solid var(--line-strong);
}

.sec-head__num {
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--accent);
  align-self: start;
  padding-top: 0.6rem;
}

.sec-head__title {
  font-family: var(--display);
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}

.sec-head__meta {
  grid-column: 1 / -1;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (min-width: 760px) {
  .sec-head {
    grid-template-columns: 4rem minmax(0, 1fr) auto;
  }

  .sec-head__meta {
    grid-column: auto;
    padding-top: 0;
    border-top: 0;
    padding-bottom: 0.5rem;
    text-align: right;
  }
}

/* ---------- 01 Figures ---------- */
.figures__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.figure {
  padding: var(--space-m) 0;
  border-bottom: 1px solid var(--line);
}

.figure__value {
  font-family: var(--display);
  font-size: clamp(4rem, 3rem + 5vw, 7.5rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.figure__text {
  margin-top: 0.75rem;
  max-width: 22em;
  color: var(--muted);
  font-size: var(--step--1);
}

@media (min-width: 900px) {
  .figures__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .figure {
    padding: var(--space-m) var(--space-m) var(--space-l);
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .figure:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 02 Projects: index ---------- */
.project-index {
  border-top: 1px solid var(--line-strong);
  margin-bottom: var(--space-xl);
}

.project-index li {
  border-bottom: 1px solid var(--line);
}

.index-row {
  display: grid;
  grid-template-columns: auto 4.5rem minmax(0, 1fr) auto;
  grid-template-areas:
    "num thumb name arrow"
    "num thumb meta arrow";
  align-items: center;
  gap: 0.2rem 1rem;
  padding-block: 1rem;
  text-decoration: none;
}

.index-row__num {
  grid-area: num;
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--accent);
  align-self: start;
}

.index-row__thumb {
  grid-area: thumb;
  overflow: hidden;
  border-radius: 2px;
}

.index-row__img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.3s;
}

.index-row__name {
  grid-area: name;
  font-family: var(--display);
  font-size: var(--step-2);
  font-weight: 500;
  line-height: 1.05;
  text-transform: uppercase;
}

.index-row__meta {
  grid-area: meta;
  font-size: var(--step--1);
  color: var(--muted);
}

.index-row__years {
  display: none;
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--muted);
}

.index-row .icon {
  grid-area: arrow;
  transition: transform 0.2s;
}

.index-row:hover {
  color: var(--accent);
}

.index-row:hover .index-row__img {
  filter: none;
}

.index-row:hover .icon {
  transform: translateY(3px);
}

@media (min-width: 760px) {
  .index-row {
    grid-template-columns: 3.5rem 6rem minmax(0, 1fr) auto auto;
    grid-template-areas:
      "num thumb name years arrow"
      "num thumb meta years arrow";
    column-gap: 1.5rem;
    padding-block: 1.25rem;
  }

  .index-row__num {
    align-self: center;
  }

  .index-row__years {
    display: block;
    grid-area: years;
  }
}

/* ---------- 02 Projects: project ---------- */
.project {
  padding-top: var(--space-l);
}

.project + .project {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--line-strong);
}

.project__cover {
  display: grid;
  gap: 0.25rem 1.5rem;
  margin-bottom: var(--space-m);
}

.project__num {
  font-family: var(--display);
  font-size: clamp(4.5rem, 3rem + 7vw, 9rem);
  font-weight: 700;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
}

.project__title {
  font-family: var(--display);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 0.98;
  text-transform: uppercase;
  max-width: 18em;
}

@media (min-width: 760px) {
  .project__cover {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: end;
  }
}

.project__hero-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--surface);
}

@media (min-width: 700px) {
  .project__hero-img {
    aspect-ratio: 21 / 9;
  }
}

/* Two-photo cover: a wide main photo and a narrow side photo, same height. */
.project__hero--mosaic {
  display: grid;
  gap: 2px;
}

.project__hero-img--side {
  display: none;
}

@media (min-width: 700px) {
  .project__hero--mosaic {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    aspect-ratio: 21 / 9;
  }

  .project__hero--mosaic picture,
  .project__hero--mosaic .project__hero-img {
    display: block;
    height: 100%;
    min-height: 0;
  }

  .project__hero--mosaic .project__hero-img {
    aspect-ratio: auto;
  }
}

/* Dimension line, drawn like a measurement on a construction drawing. */
.dim {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.dim__line {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--muted);
}

.dim__line::before,
.dim__line::after {
  content: "";
  position: absolute;
  top: -5px;
  width: 1px;
  height: 11px;
  background: var(--muted);
  transform: rotate(45deg);
}

.dim__line::before {
  left: 0;
}

.dim__line::after {
  right: 0;
}

/* Title block, like the stamp in the corner of a drawing sheet. */
.titleblock {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  margin-top: var(--space-m);
  border: 1px solid var(--line-strong);
}

.titleblock > div {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
}

.titleblock > div:last-child {
  border-bottom: 0;
}

.titleblock dt {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.titleblock dd {
  margin-top: 0.25rem;
  font-size: var(--step--1);
  line-height: 1.4;
}

@media (min-width: 900px) {
  .titleblock {
    grid-template-columns: 1.4fr 1fr 1.3fr 1fr;
  }

  .titleblock > div {
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .titleblock > div:first-child {
    border-left: 0;
  }
}

.project__body {
  display: grid;
  gap: var(--space-l);
  margin-top: var(--space-l);
}

.project__body .label {
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.project__summary p {
  max-width: 62ch;
}

.did li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  padding-block: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.did li:first-child {
  padding-top: 0;
}

.did__num {
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--accent);
  padding-top: 0.15em;
}

@media (min-width: 900px) {
  .project__body {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .project__summary {
    grid-column: 1 / span 6;
  }

  .project__did {
    grid-column: 8 / span 5;
  }
}

/* ---------- Before / after ---------- */
.compare {
  margin-top: var(--space-l);
}

.compare__frame {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--line-strong);
}

.compare__pane {
  position: relative;
}

/* The smallest diptych photo is 540 px wide; never stretch it beyond that. */
.compare--diptych .compare__frame {
  max-width: calc(2 * 540px + 2px);
}

.compare__pane--before {
  order: -1;
}

.compare__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.compare__label {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: var(--chip-bg);
  color: var(--chip-ink);
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  pointer-events: none;
}

.compare__label--after {
  background: var(--accent);
  color: var(--on-accent);
}

.compare__caption {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  margin-top: 0.75rem;
  font-size: var(--step--1);
  color: var(--muted);
}

.compare__caption::before {
  content: "";
  flex: none;
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  transform: translateY(-0.3em);
}

/* Slider mode (JavaScript only): the before photo sits on top and is clipped. */
.js .compare--slider .compare__frame {
  display: block;
  --pos: 50%;
}

.js .compare--slider .compare__pane--before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

.js .compare--slider .compare__img {
  aspect-ratio: 4 / 3;
}

.js .compare--slider .compare__label--after {
  left: auto;
  right: 0.75rem;
}

.compare__handle {
  display: none;
}

.js .compare--slider .compare__handle {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: #FFFFFF;
  pointer-events: none;
}

.js .compare--slider .compare__handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.75rem;
  height: 2.75rem;
  border: 2px solid #FFFFFF;
  border-radius: 50%;
  background: rgba(22, 32, 43, 0.55);
  transform: translate(-50%, -50%);
}

.compare__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  touch-action: pan-y;
}

.compare__frame:has(.compare__range:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (min-width: 900px) {
  .js .compare--slider .compare__img {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- Gallery ---------- */
.project__gallery {
  margin-top: var(--space-l);
}

.project__gallery-title {
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.gallery-group + .gallery-group {
  margin-top: var(--space-l);
}

.gallery-group__title {
  margin-bottom: 0.75rem;
  font-family: var(--display);
  font-size: var(--step-1);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Tabs (JavaScript only). Without JS every group is shown in sequence. */
.gallery-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.gallery-tab {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: none;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.gallery-tab:hover {
  border-color: var(--ink);
}

.gallery-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.gallery-tab__count {
  font-family: var(--mono);
  font-size: 0.72rem;
  opacity: 0.75;
}

.has-tabs .gallery-group + .gallery-group {
  margin-top: 0;
}

.has-tabs .gallery-group__title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.gallery {
  display: grid;
  gap: 1rem 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 559px) {
  .gallery--3 > :first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 560px) {
  .gallery {
    gap: 1rem;
  }

  .gallery--2,
  .gallery--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .gallery--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.gallery__item figure {
  position: relative;
}

.gallery__link {
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
}

.gallery__link img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery__link:hover img {
  transform: scale(1.03);
}

.js .gallery__link {
  cursor: zoom-in;
}

.gallery__item figcaption {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  color: var(--muted);
  line-height: 1.4;
}

.chip {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  background: var(--chip-bg);
  color: var(--chip-ink);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  pointer-events: none;
}

.chip--finished {
  background: var(--accent);
  color: var(--on-accent);
}

/* ---------- 03 Skills ---------- */
.skill-table {
  border-top: 1px solid var(--line-strong);
}

.skill-row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.25rem 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.skill-row__num {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--accent);
  padding-top: 0.3em;
}

.skill-row__title {
  font-family: var(--display);
  font-size: var(--step-2);
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.05;
}

.skill-row__text {
  color: var(--muted);
}

@media (min-width: 760px) {
  .skill-row {
    grid-template-columns: 4rem minmax(0, 5fr) minmax(0, 7fr);
    align-items: baseline;
    gap: 1.5rem;
  }

  .skill-row__num {
    grid-row: auto;
  }
}

/* ---------- 04 About ---------- */
.about {
  padding-bottom: var(--space-xl);
}

.about__grid {
  display: grid;
  gap: var(--space-l);
  align-items: start;
}

.about__copy {
  max-width: 60ch;
  font-size: var(--step-1);
  line-height: 1.65;
}

.about__copy::first-line {
  font-weight: 600;
}

.about__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 15% 50%;
  filter: grayscale(1);
  border-radius: var(--radius);
}

@media (min-width: 900px) {
  .about__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .about__text {
    grid-column: 1 / span 7;
  }

  .about__media {
    grid-column: 9 / span 4;
  }

  .about__img {
    aspect-ratio: 4 / 5;
  }
}

/* ---------- 05 Contact ---------- */
.contact .sec-head__title {
  font-size: var(--step-5);
}

.contact__lead {
  max-width: 44ch;
  font-size: var(--step-1);
  color: var(--band-muted);
}

.contact-list {
  margin-top: var(--space-l);
  border-top: 1px solid var(--band-ink);
}

.contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--band-line);
}

.contact-row__label {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--band-muted);
}

.contact-row__value {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  justify-self: start;
  font-family: var(--display);
  font-size: var(--step-2);
  font-weight: 500;
  line-height: 1.15;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-row__value a {
  text-decoration: none;
}

.contact-row a:hover,
.contact-row a.contact-row__value:hover {
  color: var(--band-accent);
}

@media (min-width: 760px) {
  .contact-row {
    grid-template-columns: 12rem minmax(0, 1fr);
    align-items: baseline;
  }
}

.contact__cv {
  margin-top: var(--space-l);
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  color: var(--muted);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-block: var(--space-m);
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__links {
  display: flex;
  gap: 1.5rem;
}

.site-footer a {
  display: inline-block;
  padding-block: 0.25rem;
}

/* ---------- Legal pages ---------- */
.legal-page .site-footer {
  margin-top: 0;
}

.legal {
  padding-block: var(--space-l) var(--space-xl);
}

.legal__content {
  max-width: 70ch;
}

.legal h1 {
  margin-bottom: var(--space-m);
  padding-top: 0.75rem;
  border-top: 2px solid var(--line-strong);
  font-family: var(--display);
  font-size: var(--step-4);
  text-transform: uppercase;
}

.legal h2 {
  margin-top: var(--space-l);
  margin-bottom: 0.5rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--display);
  font-size: var(--step-2);
  font-weight: 500;
  text-transform: uppercase;
}

.legal p + p,
.legal p + ul,
.legal ul + p {
  margin-top: 0.75rem;
}

.legal ul {
  list-style: disc;
  padding-left: 1.25rem;
}

.draft-notice {
  margin-bottom: var(--space-l);
  padding: 1rem 1.25rem;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
  font-weight: 700;
}

.placeholder {
  padding: 0 0.3em;
  border: 1px dashed var(--accent);
  border-radius: 2px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.92em;
}

/* ---------- Lightbox ---------- */
html.is-locked {
  overflow: hidden;
}

.lightbox {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--overlay);
  color: #F4F2EE;
}

.lightbox::backdrop {
  background: var(--overlay);
}

.lightbox__inner {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  grid-template-columns: 3.5rem minmax(0, 1fr) 3.5rem;
  gap: 0.5rem;
  height: 100%;
  padding: 0.75rem;
}

.lightbox__counter {
  grid-row: 1;
  grid-column: 1 / 3;
  align-self: center;
  padding-left: 0.5rem;
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
}

.lightbox__close {
  grid-row: 1;
  grid-column: 3;
  justify-self: end;
}

.lightbox__stage {
  grid-row: 2;
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.lightbox__img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox__caption {
  grid-row: 3;
  grid-column: 1 / -1;
  min-height: 1.6em;
  padding-bottom: 0.25rem;
  text-align: center;
  font-size: var(--step--1);
}

.lightbox__prev {
  grid-row: 2;
  grid-column: 1;
  align-self: center;
}

.lightbox__next {
  grid-row: 2;
  grid-column: 3;
  align-self: center;
  justify-self: end;
}

.lightbox__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(244, 242, 238, 0.4);
  border-radius: 999px;
  background: rgba(17, 22, 28, 0.6);
  color: #F4F2EE;
  cursor: pointer;
}

.lightbox__btn:hover {
  background: rgba(244, 242, 238, 0.15);
}

.lightbox__btn svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lightbox :focus-visible {
  outline-color: #F4F2EE;
}

@media (max-width: 559px) {
  .lightbox__inner {
    grid-template-columns: 0 minmax(0, 1fr) 0;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    padding: 0.5rem;
  }

  .lightbox__prev,
  .lightbox__next {
    grid-row: 4;
    grid-column: 2;
  }

  .lightbox__prev {
    justify-self: start;
  }

  .lightbox__next {
    justify-self: end;
  }
}

/* ---------- Scroll reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}