/* =========================================
   MURAT EKER — PORTFOLIO
   Monochrome editorial: condensed display type,
   mono UI text, paper / ink section rhythm.
   ========================================= */

:root {
  --ease-link: cubic-bezier(0.11, 0.82, 0.39, 0.92);
  --ink: #101010;
  --paper: #f7f7f7;
  --panel: #efefef;
  --grey: #aaaaaa;
  --mid: #6f6f6f;
  --soft: #c4c4c4;
  --line-dark: rgba(16, 16, 16, 0.85);
  --line-light: rgba(247, 247, 247, 0.28);

  --cond: 'Sofia Sans Condensed', 'Arial Narrow', sans-serif;
  --mono: 'Spline Sans Mono', ui-monospace, monospace;

  --gutter: clamp(16px, 3.9vw, 56px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  display: none;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
}

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

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

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

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

::selection {
  background: var(--ink);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10000;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  text-transform: uppercase;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

/* --- Page loader (canvas drawn by js/loader.js) --- */

body.loading {
  overflow: hidden;
}

#loader {
  display: none;
  position: fixed;
  inset: 0;
  background: #f5f5f5;
  z-index: 9999;
}

body.loading #loader {
  display: block;
}

#loader-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#percentage-counter {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ink);
  pointer-events: none;
  white-space: nowrap;
}

/* --- Shared pieces --- */

.arrow {
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  flex: none;
  transition: transform 0.35s var(--ease-out);
}

.arrow svg {
  display: block;
  width: 100%;
  height: 100%;
}

.arrow--down {
  transform: rotate(90deg);
}

.link-line {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0 0 3px;
  border: 0;
  background: none;
  font-family: var(--mono);
  font-size: 19.5px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
}

/* Underline: two stacked lines, shared by every underlined link. */
.link-line::before,
.link-line::after,
.hero__mail::before,
.hero__mail::after,
.elsewhere__latest a::before,
.elsewhere__latest a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.8s var(--ease-link);
}

/* The wipe always travels left to right: the visible line slides off to the
   right first, then after a short pause the other one draws in from the left.
   Each rule sets the timing for the line that is moving into that state. */
.link-line::before,
.hero__mail::before,
.elsewhere__latest a::before {
  transform-origin: left center;
  transition: transform 0.4s var(--ease-link) 0.18s;
}

.link-line::after,
.hero__mail::after,
.elsewhere__latest a::after {
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.28s cubic-bezier(0.65, 0, 0.35, 1);
}

.link-line:hover::before,
.link-line:focus-visible::before,
.hero__mail:hover::before,
.elsewhere__latest a:hover::before {
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.28s cubic-bezier(0.65, 0, 0.35, 1);
}

.link-line:hover::after,
.link-line:focus-visible::after,
.hero__mail:hover::after,
.elsewhere__latest a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
  transition: transform 0.4s var(--ease-link) 0.18s;
}

.link-line .arrow {
  width: 14px;
  height: 14px;
  transition: transform 0.4s var(--ease-link);
}

.link-line:hover .arrow,
.link-line:focus-visible .arrow {
  transform: rotate(45deg);
}

.bracket {
  font-family: var(--mono);
  text-transform: uppercase;
  white-space: nowrap;
}

.bracket::before {
  content: '[ ';
}

.bracket::after {
  content: ' ]';
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 300;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.label .arrow {
  width: 14px;
  height: 14px;
}

.display {
  font-family: var(--cond);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.82;
  text-transform: uppercase;
}

.section-mark {
  position: absolute;
  right: var(--gutter);
  bottom: 24px;
  font-family: var(--cond);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.section-dark {
  background: var(--ink);
  color: var(--paper);
}

/* Line reveal: a mask that slides its contents up into view. */
.mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
  margin-bottom: -0.06em;
}

.mask > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1.1s var(--ease-out);
  transition-delay: var(--d, 0s);
}

.is-in .mask > span,
.mask.is-in > span {
  transform: none;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* =========================================
   HEADER
   ========================================= */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 26px var(--gutter);
  color: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

.wordmark {
  justify-self: start;
  font-family: var(--cond);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.wordmark span + span {
  margin-left: 0.22em;
}

.site-nav ul {
  display: flex;
  gap: clamp(28px, 5.6vw, 80px);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  font-size: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav a::before {
  content: '[';
  margin-right: 0.6em;
  transition: transform 0.35s var(--ease-out);
}

.site-nav a::after {
  content: ']';
  margin-left: 0.6em;
  transition: transform 0.35s var(--ease-out);
}

.site-nav a:hover::before {
  transform: translateX(-5px);
}

.site-nav a:hover::after {
  transform: translateX(5px);
}

/* Letter roll on hover (markup built by js/site.js). */
/* Top-aligned so the clipped box doesn't sit on the baseline and lift the word. */
.text-roll {
  position: relative;
  display: inline-block;
  overflow: hidden;
  line-height: 1.2;
  vertical-align: top;
}

.site-nav a > span {
  line-height: 1.2;
}

.text-roll-bottom {
  position: absolute;
  inset: 0;
}

.tr-char {
  display: inline-block;
  white-space: pre;
  transition: transform 0.45s var(--ease-out);
  transition-delay: var(--delay, 0s);
}

.text-roll-bottom .tr-char {
  transform: translateY(110%);
}

a:hover .text-roll-top .tr-char {
  transform: translateY(-110%);
}

a:hover .text-roll-bottom .tr-char {
  transform: none;
}

.header-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 28px;
}

.lang-switcher {
  display: flex;
  gap: 2px;
  font-size: 13px;
}

.lang-switcher__button {
  padding: 4px 6px;
  border: 0;
  background: none;
  cursor: pointer;
  opacity: 0.45;
  letter-spacing: 0.04em;
  transition: opacity 0.2s;
}

.lang-switcher__button:hover,
.lang-switcher__button.is-active {
  opacity: 1;
}

.lang-switcher__button.is-active {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.header-contact {
  font-size: 18px;
}

.menu-toggle {
  display: none;
  padding: 0;
  border: 0;
  background: none;
  font-family: var(--mono);
  font-size: 15px;
  cursor: pointer;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 100px var(--gutter) 40px;
  background: var(--ink);
  color: var(--paper);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.6s var(--ease-out);
  visibility: hidden;
}

.mobile-menu.is-open {
  clip-path: inset(0);
  visibility: visible;
}

.mobile-menu a {
  font-family: var(--cond);
  font-size: clamp(44px, 14vw, 80px);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.9;
  text-transform: uppercase;
}

.mobile-menu .lang-switcher {
  margin-top: 28px;
  font-size: 15px;
}

/* =========================================
   HERO
   ========================================= */

.hero {
  position: relative;
  padding: clamp(110px, 9.4vw, 140px) var(--gutter) 40px;
  min-height: 100vh;
}

.hero__counter {
  margin-left: 0.6vw;
  font-family: var(--cond);
  font-size: clamp(14px, 1.25vw, 19px);
  font-weight: 600;
  letter-spacing: -0.05em;
}

.hero__title {
  position: relative;
  z-index: 1;
  font-size: 13.6vw;
  white-space: nowrap;
  text-align: center;
}

.hero-title-line {
  display: inline-block;
  white-space: nowrap;
}

/* Room for the dots on İ and Ü above the tight line box. */
html[lang="tr"] .hero__title,
html[lang="de"] .hero__title {
  margin-top: 0.1em;
}

.js .hero-title-line {
  visibility: hidden;
}

.hero-title-line .char {
  display: inline-block;
}

.hero__location {
  position: relative;
  z-index: 3;
  margin-top: 1.6vw;
  text-align: right;
  font-size: clamp(11px, 1vw, 15px);
  font-weight: 500;
  letter-spacing: clamp(0.4em, 1.4vw, 1.25em);
  margin-right: calc(-1 * clamp(0.4em, 1.4vw, 1.25em));
  text-transform: uppercase;
}

.hero__stage {
  position: relative;
  width: min(38.2vw, 600px);
  margin: -1.6vw auto 0;
  padding-top: 4.2vw;
}

.hero__panel {
  position: relative;
  min-height: min(22.9vw, 360px);
  background: var(--panel);
}

.hero__specialties {
  position: absolute;
  left: 0;
  bottom: min(2.2vw, 32px);
  z-index: 2;
  font-family: var(--cond);
  max-width: 40%;
  font-size: clamp(16px, 1.875vw, 27px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.06em;
  text-transform: uppercase;
}

.hero__photo {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 41%;
  width: 55%;
  height: calc(100% - min(1.6vw, 24px));
  overflow: hidden;
  background: linear-gradient(180deg, #d7d7d7 0%, #c9c9c9 100%);
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Crop further down the cutout so the face sits higher in the frame. */
  object-position: 50% 38%;
  filter: grayscale(1) contrast(1.06);
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  background: var(--paper);
  transform-origin: top center;
  transform: scaleY(0);
}

.js .hero-photo-overlay {
  transform: scaleY(1);
}

.hero__intro {
  max-width: 360px;
  margin: 40px auto 0;
  text-align: center;
  font-size: 13.5px;
  line-height: 1.42;
  text-transform: uppercase;
  color: #2a2a2a;
}

.hero__intro p + p {
  margin-top: 20px;
}

.hero__foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-top: 28px;
}

.hero__foot-label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  font-weight: 300;
  text-transform: uppercase;
}

.hero__foot-label .arrow {
  width: 13px;
  height: 13px;
}

.hero__mail {
  position: relative;
  display: inline-block;
  margin-top: 6px;
  padding-bottom: 2px;
  font-family: var(--cond);
  font-size: clamp(20px, 1.875vw, 27px);
  font-weight: 600;
  letter-spacing: -0.05em;
}

.hero__recent {
  text-align: left;
}

.hero__recent-name {
  display: block;
  margin-top: 4px;
  font-family: var(--cond);
  font-size: clamp(30px, 3.125vw, 45px);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.9;
  text-transform: uppercase;
}

/* =========================================
   STATEMENT (letters fall apart on scroll)
   ========================================= */

.statement {
  position: relative;
  height: 240vh;
}

.statement__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  padding: 80px var(--gutter) 0;
}

.statement__meta {
  display: grid;
  grid-template-columns: 30% 1fr auto;
  align-items: baseline;
  margin-top: 16px;
}

.statement__count {
  font-family: var(--cond);
  font-size: clamp(32px, 3.34vw, 48px);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.statement__tag {
  font-family: var(--cond);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.statement__title {
  margin: clamp(40px, 6vw, 90px) 0 0 30%;
  font-family: var(--cond);
  font-size: clamp(44px, 7.6vw, 118px);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.statement__title > span {
  display: block;
  white-space: nowrap;
}

.statement__title .muted {
  color: var(--grey);
}

.statement__title .ch {
  display: inline-block;
  will-change: transform;
}

/* =========================================
   WORKS — project index
   ========================================= */

.works {
  position: relative;
  padding-top: clamp(120px, 15.6vw, 225px);
}

.works__title {
  text-align: center;
  font-size: clamp(56px, 7.6vw, 110px);
  line-height: 0.99;
}

.works__list {
  margin: clamp(60px, 7vw, 100px) 0 0;
  padding: 0 var(--gutter) clamp(100px, 10vw, 150px);
}

.work {
  border-bottom: 1px solid var(--line-light);
  transition: opacity 0.45s var(--ease-out);
}

.work:first-child {
  border-top: 1px solid var(--line-light);
}

/* Hovering one project dims the rest. */
.works__list:hover .work:not(:hover) {
  opacity: 0.32;
}

.work__row {
  display: grid;
  grid-template-columns: 9% 1fr 22% 28px;
  align-items: start;
  gap: 24px;
  padding: 30px 0 26px;
}

.work__num,
.work__cat {
  padding-top: 0.7em;
  font-size: 15px;
  text-transform: uppercase;
  color: var(--grey);
}

.work__name {
  font-family: var(--cond);
  font-size: clamp(40px, 5.4vw, 80px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.055em;
  text-transform: uppercase;
  transition: transform 0.6s var(--ease-out);
}

.work:hover .work__name {
  transform: translateX(18px);
}

/* Description and stack open smoothly under the name. */
.work__more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.6s var(--ease-out);
}

.work:hover .work__more,
.work__row:focus-visible .work__more {
  grid-template-rows: 1fr;
}

.work__more-inner {
  display: block;
  min-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.4s;
}

.work:hover .work__more-inner,
.work__row:focus-visible .work__more-inner {
  opacity: 1;
  transition-delay: 0.12s;
}

.work__desc {
  display: block;
  max-width: 620px;
  padding: 22px 0 0 18px;
  font-size: 15px;
  line-height: 1.5;
  text-transform: uppercase;
  color: #cfcfcf;
}

.work__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 14px 0 4px 18px;
  font-size: 13.5px;
  text-transform: uppercase;
}

.work__tech span::before {
  content: '// ';
  color: var(--mid);
}

.work__row .arrow {
  width: 22px;
  height: 22px;
  margin-top: 0.5em;
  transition: transform 0.5s var(--ease-out);
}

.work:hover .work__row .arrow {
  transform: rotate(45deg);
}

/* =========================================
   ABOUT
   ========================================= */

.about {
  position: relative;
  padding: clamp(120px, 13vw, 190px) var(--gutter);
}

.about__title {
  text-align: center;
  font-size: clamp(72px, 13.2vw, 196px);
}

.about__intro {
  display: grid;
  grid-template-columns: 27.5% 1fr;
  margin-top: clamp(80px, 9vw, 130px);
}

.about__kicker {
  font-size: 18px;
  text-transform: uppercase;
}

.about__portrait {
  width: min(18.5vw, 266px);
  text-align: center;
}

.about__portrait img {
  width: 100%;
  aspect-ratio: 266 / 296;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

.about__hello {
  margin-top: 18px;
  font-size: 19.5px;
  line-height: 1.7;
  text-transform: uppercase;
}

.about__next {
  margin-top: 56px;
  color: #6a6a6a;
}

.about__statement {
  margin-top: clamp(100px, 12vw, 170px);
  padding-top: clamp(60px, 6vw, 86px);
  border-top: 1px solid var(--line-light);
  font-family: var(--mono);
  font-size: clamp(28px, 4.15vw, 60px);
  font-weight: 300;
  line-height: 0.99;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--grey);
  max-width: 19em;
}

.about__blocks {
  position: relative;
  margin-top: clamp(40px, 4vw, 60px);
}

.about-block {
  width: min(34vw, 470px);
  text-align: center;
  font-size: clamp(16px, 1.36vw, 19.5px);
  line-height: 1.38;
  text-transform: uppercase;
}

.about-block p + p {
  margin-top: 10px;
}

.about-block--a {
  margin-left: 35%;
}

.about-block--b {
  margin: 0 0 0 auto;
  width: min(32vw, 450px);
  margin-right: 4%;
}

.about-block--c {
  margin: 0 0 0 auto;
  width: min(28vw, 380px);
}

.about-block .label {
  justify-content: center;
  margin-top: 54px;
  color: #8a8a8a;
}

.about-blocks__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-top: clamp(80px, 9vw, 140px);
}

/* GitHub avatar sits centred in the gap left of block c */
.about-blocks__row--avatar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.about-blocks__row--avatar .about-block--c {
  grid-column: 3;
  justify-self: end;
}

.about__avatar {
  grid-column: 2;
  display: block;
  width: clamp(120px, 10vw, 160px);
  height: auto;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.about__avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px 56px;
  margin-top: clamp(70px, 8vw, 120px);
}

/* --- Experience / education ledger --- */

.ledger {
  margin-top: clamp(120px, 12vw, 180px);
}

.ledger__head {
  display: grid;
  grid-template-columns: 27.5% 1fr;
  align-items: end;
  margin-bottom: 36px;
}

.ledger__title {
  font-size: clamp(44px, 6vw, 88px);
}

.ledger__group + .ledger__group {
  margin-top: 90px;
}

.ledger__list {
  margin-left: 27.5%;
  border-top: 1px solid var(--line-light);
}

.entry {
  border-bottom: 1px solid var(--line-light);
}

.entry summary,
.entry__head {
  display: grid;
  grid-template-columns: 1fr auto 28px;
  align-items: center;
  gap: 24px;
  padding: 26px 0;
  cursor: pointer;
  list-style: none;
}

.entry summary::-webkit-details-marker {
  display: none;
}

.entry__role {
  font-family: var(--cond);
  font-size: clamp(24px, 2.4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.95;
  text-transform: uppercase;
}

.entry__org {
  display: block;
  margin-top: 8px;
  line-height: 1.35;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--grey);
}

.entry__date {
  font-size: 15px;
  color: var(--grey);
  text-transform: uppercase;
  text-align: right;
}

.entry__toggle {
  position: relative;
  width: 18px;
  height: 18px;
}

.entry__toggle::before,
.entry__toggle::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.35s var(--ease-out);
}

.entry__toggle::after {
  transform: rotate(90deg);
}

.entry[open] .entry__toggle::after {
  transform: rotate(0deg);
}

.entry__body {
  max-width: 640px;
  padding: 0 0 30px;
  font-size: 15px;
  line-height: 1.6;
  color: #cfcfcf;
}

.entry__body li {
  position: relative;
  padding-left: 26px;
}

.entry__body li + li {
  margin-top: 8px;
}

.entry__body li::before {
  content: '//';
  position: absolute;
  left: 0;
  color: var(--mid);
}

.entry__body a {
  border-bottom: 1px solid currentColor;
}

/* =========================================
   SKILLS
   ========================================= */

.skills {
  position: relative;
  padding: clamp(100px, 10vw, 150px) 0 120px;
}

.skills__title {
  padding: 0 var(--gutter);
  font-size: clamp(72px, 13.2vw, 196px);
}

.skills__grid {
  display: flex;
  margin-top: clamp(40px, 4vw, 60px);
  border-top: 1px solid var(--line-dark);
}

/* One column is open at a time; it widens by animating its flex share. */
.skill-col {
  --expand: 0.6s cubic-bezier(0.65, 0, 0.25, 1);
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 630px;
  overflow: hidden;
  border-left: 1px solid var(--line-dark);
  outline: none;
  transition: flex-grow var(--expand);
}

.skill-col:first-child {
  border-left: 0;
}

.skill-col.is-active {
  flex-grow: 2.6;
}

/* Small ticks mark the bottom corners of the open column. */
.skill-col::before,
.skill-col::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  opacity: 0;
  transition: opacity 0.4s;
}

.skill-col::before {
  left: 0;
}

.skill-col::after {
  right: 0;
}

.skill-col.is-active::before,
.skill-col.is-active::after {
  opacity: 1;
}

.skill-col__idx {
  position: absolute;
  left: 26px;
  top: 40px;
  font-family: var(--cond);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  transform-origin: left top;
  transition: transform var(--expand);
}

.skill-col.is-active .skill-col__idx {
  transform: scale(2.9);
}

/* The label glides from under the number to the top right while its text
   rolls to the "// " version; both use the column's timing. */
.skill-col__name {
  position: absolute;
  left: 26px;
  top: 104px;
  font-family: var(--cond);
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: left var(--expand), top var(--expand), transform var(--expand), font-size var(--expand);
}

.skill-col.is-active .skill-col__name {
  left: calc(100% - 26px);
  top: 36px;
  font-size: clamp(30px, 3vw, 46px);
  transform: translateX(-100%);
}

.roll {
  display: inline-grid;
  overflow: hidden;
  vertical-align: top;
}

.roll > span {
  grid-area: 1 / 1;
  white-space: nowrap;
  transition: transform var(--expand);
}

.roll > span + span {
  transform: translateY(100%);
}

.skill-col.is-active .roll > span:first-child {
  transform: translateY(-100%);
}

.skill-col.is-active .roll > span + span {
  transform: none;
}

/* Fixed-width body so nothing reflows while the column grows; it fades in once there is room. */
.skill-col__body {
  position: absolute;
  left: 26px;
  top: 150px;
  bottom: 48px;
  /* Width of an open column (2.6 of 6.6 flex shares) minus its padding. */
  width: calc(100vw * 2.6 / 6.6 - 52px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}

.skill-col.is-active .skill-col__body {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s 0.32s, transform 0.6s 0.32s var(--ease-out);
  pointer-events: auto;
}

.skill-col__mid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.skill-col__list {
  font-family: var(--cond);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.skill-col__media {
  margin: 0;
  aspect-ratio: 350 / 248;
  overflow: hidden;
}

.skill-col__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.skill-col__desc {
  margin-top: auto;
  max-width: 600px;
  font-size: clamp(14px, 1.15vw, 17px);
  line-height: 1.5;
  text-transform: uppercase;
}

/* =========================================
   ELSEWHERE (profile list)
   ========================================= */

.elsewhere {
  position: relative;
  padding: clamp(120px, 15vw, 225px) var(--gutter);
}

.elsewhere__head {
  display: grid;
  grid-template-columns: 33.5% 1fr auto;
  gap: 24px;
  align-items: start;
}

.elsewhere__title {
  font-size: clamp(64px, 8.6vw, 124px);
}

.elsewhere__lead {
  font-size: 19.5px;
  font-weight: 300;
  line-height: 1.2;
  text-transform: uppercase;
}

.elsewhere__lead strong,
.elsewhere__note strong {
  display: block;
  font-family: var(--cond);
  font-size: 19.5px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.elsewhere__note {
  max-width: 340px;
  margin-top: 70px;
  font-size: 19.5px;
  font-weight: 300;
  line-height: 1.2;
  text-transform: uppercase;
}

.profiles {
  width: min(28.6vw, 420px);
  margin: 70px 0 0 37%;
}

.profile {
  display: grid;
  grid-template-columns: 30px 1fr 20px;
  align-items: center;
  gap: 22px;
  padding: 18px 2px 10px;
  border-bottom: 1.5px solid var(--ink);
  font-family: var(--cond);
  font-size: 27px;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.profile + .profile {
  margin-top: 14px;
}

.profile__icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.profile sup {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 500;
  vertical-align: 1.1em;
}

.profile .arrow {
  width: 15px;
  height: 15px;
  transition: transform 0.5s var(--ease-link);
}

.profile:hover .arrow {
  transform: rotate(45deg);
}

.profile__name {
  transition: transform 0.35s var(--ease-out);
}

.profile:hover .profile__name {
  transform: translateX(6px);
}

.elsewhere__latest {
  margin-top: 110px;
  font-size: 19.5px;
  font-weight: 300;
  text-transform: uppercase;
}

.elsewhere__latest a {
  position: relative;
  display: inline-block;
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--cond);
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* =========================================
   CONTACT
   ========================================= */

.contact {
  padding: 40px var(--gutter) clamp(90px, 10vw, 142px);
  text-align: center;
}

.contact__kicker {
  font-family: var(--cond);
  font-size: clamp(20px, 1.875vw, 27px);
  font-weight: 700;
  letter-spacing: -0.06em;
  text-transform: uppercase;
}

.contact__big {
  display: block;
  margin-top: 20px;
  font-family: var(--cond);
  font-size: clamp(54px, 7.4vw, 108px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.contact__spaced {
  display: block;
  margin: 18px 0 8px;
  font-size: clamp(12px, 1.04vw, 15px);
  font-weight: 500;
  letter-spacing: 1.6em;
  padding-left: 1.6em;
  text-transform: uppercase;
}

.contact-form {
  width: min(100%, 500px);
  margin: clamp(60px, 6.5vw, 94px) auto 0;
  text-align: left;
}

.field {
  position: relative;
  display: block;
}

.field + .field {
  margin-top: 40px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 10px 0 8px;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  font-size: 13.5px;
  text-transform: uppercase;
  outline: none;
  resize: none;
}

.field textarea {
  height: 96px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #333;
}

.field input:focus,
.field textarea:focus {
  border-bottom-width: 2px;
}

.topic {
  margin: 56px 0 0;
  padding: 0;
  border: 0;
}

.topic legend {
  padding: 0;
  font-size: 13.5px;
  text-transform: uppercase;
  color: #333;
}

.topic__options {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 26px;
}

.topic__options label {
  position: relative;
  cursor: pointer;
  font-size: 18px;
  font-weight: 300;
  text-transform: uppercase;
  color: var(--mid);
  transition: color 0.2s;
}

.topic__options input {
  position: absolute;
  opacity: 0;
}

.topic__options input:checked + span {
  font-weight: 600;
  color: var(--ink);
}

.topic__options input:focus-visible + span {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

/* Budget only opens when the "Project" reason is picked */
.budget-reveal {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.5s var(--ease-link), opacity 0.35s ease;
}

.budget-reveal__inner {
  min-height: 0;
  overflow: hidden;
}

.budget-reveal.is-open {
  grid-template-rows: 1fr;
  opacity: 1;
}

.contact-form__submit {
  display: flex;
  justify-content: center;
  margin-top: 70px;
}

.contact-form__status {
  min-height: 1.4em;
  margin-top: 18px;
  text-align: center;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--mid);
}

/* =========================================
   FOOTER
   ========================================= */

.site-footer {
  position: relative;
  padding: 40px var(--gutter) 16px;
  overflow: hidden;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
}

.footer__nav li + li {
  margin-top: 16px;
}

.footer__nav a,
.footer__brackets a {
  display: inline-flex;
  align-items: center;
}

/* As flex items the brackets lose their inner spaces, so space them with margins. */
.footer__brackets a::before {
  content: '[';
  margin-right: 0.6em;
}

.footer__brackets a::after {
  content: ']';
  margin-left: 0.6em;
}

.footer__nav a {
  font-size: 18px;
  text-transform: uppercase;
}

.footer__contact {
  text-align: right;
}

.footer__mail {
  display: inline-block;
  font-family: var(--cond);
  font-size: clamp(28px, 3.6vw, 52px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}

.footer__mail:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.footer__social {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 16px clamp(32px, 5.4vw, 78px);
  margin-top: 36px;
}

.footer__social .link-line {
  font-size: 18px;
}

.footer__address {
  margin-top: 70px;
  display: inline-block;
  text-align: left;
  font-size: 12px;
  line-height: 1.05;
  color: var(--mid);
}

.footer__brackets {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  font-size: 18px;
  font-weight: 300;
  color: #444;
}

.footer__brackets a:hover {
  color: var(--ink);
}

.footer__name {
  position: relative;
  z-index: 0;
  margin-top: 20px;
  pointer-events: none;
  user-select: none;
  padding-bottom: 1vw;
  font-family: var(--cond);
  font-size: 17.4vw;
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.footer__name .ch {
  display: inline-block;
  transform: none;
  transform-origin: 50% 100%;
  transition: transform 1.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.7s ease, filter 0.9s ease;
  transition-delay: calc(var(--d) * 0.07s);
}

/* Letters lie flat on the baseline, then flip up into line from the middle out. */
.footer__name:not(.is-in) .ch {
  opacity: 0;
  filter: blur(10px);
  transform: perspective(700px) rotateX(-95deg) translateY(30%);
}

.footer__name .gap {
  display: inline-block;
  width: 0.18em;
}

.footer__bottom {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  gap: 24px;
  margin-top: 10px;
  font-size: 16px;
  text-transform: uppercase;
  color: var(--grey);
}

.footer__bottom > :nth-child(2) {
  text-align: center;
}

.footer__bottom > :last-child {
  justify-self: end;
  max-width: 230px;
  font-size: 8px;
  line-height: 1.4;
  text-transform: none;
}

/* Credit roll: the box starts at the short word's width and grows to the full name. */
.credit-roll__box {
  width: var(--short, auto);
  transition: width 0.45s var(--ease-out);
}

.credit-roll__box .text-roll-bottom {
  right: auto;
  white-space: nowrap;
}

.credit-roll:hover .credit-roll__box,
.credit-roll:focus-visible .credit-roll__box {
  width: var(--long, auto);
}

.credit-roll:focus-visible .text-roll-top .tr-char {
  transform: translateY(-110%);
}

.credit-roll:focus-visible .text-roll-bottom .tr-char {
  transform: none;
}

.footer__bottom a:hover {
  color: var(--ink);
}

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 1100px) {
  .site-nav ul {
    gap: 28px;
  }
}

/* Collapse the header into the menu button before the links run out of room.
   German labels are the longest, so German collapses at a wider width. */
@media (max-width: 1200px) {
  .site-nav,
  .header-right .lang-switcher,
  .header-contact {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 1280px) {
  html[lang="de"] .site-nav,
  html[lang="de"] .header-right .lang-switcher,
  html[lang="de"] .header-contact {
    display: none;
  }

  html[lang="de"] .site-header {
    grid-template-columns: 1fr auto;
  }

  html[lang="de"] .menu-toggle {
    display: block;
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: 0;
  }

  .hero__stage {
    width: min(100%, 420px);
    margin-top: 32px;
    padding-top: 56px;
  }

  .hero__panel {
    min-height: 300px;
  }

  .hero__specialties {
    left: 14px;
    bottom: 18px;
    font-size: 17px;
  }

  .hero__photo {
    left: 44%;
    width: 52%;
  }

  .hero__foot {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 56px;
  }

  .statement {
    height: 200vh;
  }

  .statement__meta {
    grid-template-columns: auto 1fr auto;
    gap: 20px;
  }

  .statement__title {
    margin-left: 0;
  }

  .statement__title > span {
    white-space: normal;
  }

  .about__intro,
  .ledger__head {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about__portrait {
    width: min(70vw, 300px);
    margin: 0 auto;
  }

  .about-block,
  .about-block--a,
  .about-block--b,
  .about-block--c {
    width: 100%;
    margin: 0;
  }

  .about-blocks__row {
    flex-direction: column;
    gap: 80px;
  }

  .about-blocks__row--avatar {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .about-blocks__row--avatar .about-block--c,
  .about__avatar {
    grid-column: auto;
  }

  .about-blocks__row--avatar .about-block--c {
    justify-self: stretch;
  }

  .about__avatar {
    width: min(40vw, 150px);
  }

  .ledger__list {
    margin-left: 0;
  }

  .entry summary,
  .entry__head {
    grid-template-columns: 1fr 20px;
  }

  .entry__date {
    grid-column: 1;
    grid-row: 2;
    text-align: left;
  }

  .entry__toggle {
    grid-column: 2;
    grid-row: 1;
  }

  .skills__grid {
    flex-direction: column;
  }

  .skill-col,
  .skill-col.is-active {
    flex: none;
    min-height: 0;
    padding: 28px 18px;
    border-left: 0;
    border-top: 1px solid var(--line-dark);
  }

  .skill-col__idx,
  .skill-col__name,
  .skill-col.is-active .skill-col__name,
  .skill-col__body {
    position: static;
    transform: none;
  }

  .skill-col.is-active .skill-col__idx {
    transform: none;
  }

  .skill-col__name,
  .skill-col.is-active .skill-col__name {
    display: block;
    margin-top: 14px;
  }

  .skill-col__body {
    width: auto;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease-out), opacity 0.3s;
  }

  .skill-col.is-active .skill-col__body {
    max-height: 900px;
    margin-top: 24px;
  }

  .skill-col__mid {
    grid-template-columns: 1fr;
  }

  .skill-col__desc {
    margin-top: 24px;
  }

  .work__row {
    grid-template-columns: 34px 1fr 22px;
    gap: 14px;
  }

  .work__cat {
    display: none;
  }

  .work__more {
    grid-template-rows: 1fr;
  }

  .work__more-inner {
    opacity: 1;
  }

  .work__desc,
  .work__tech {
    padding-left: 0;
  }

  .elsewhere__head {
    grid-template-columns: 1fr;
  }

  .elsewhere__note {
    margin-top: 0;
  }

  .profiles {
    width: 100%;
    margin-left: 0;
  }

  .topic__options {
    flex-direction: column;
  }

  .footer__top {
    grid-template-columns: 1fr;
  }

  .footer__contact {
    text-align: left;
    order: -1;
  }

  .footer__social {
    justify-content: flex-start;
  }

  .footer__brackets {
    font-size: 14px;
  }

  .footer__bottom {
    grid-template-columns: 1fr;
  }

  .footer__bottom > * ,
  .footer__bottom > :nth-child(2),
  .footer__bottom > :last-child {
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 560px) {
  .hero__title {
    white-space: normal;
    line-height: 0.84;
  }

  .hero-title-line {
    display: table;
    margin: 0 auto;
  }

  .hero__location {
    text-align: left;
    margin-top: 16px;
  }

  .contact__big {
    white-space: normal;
  }

}

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

  .mask > span,
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}