:root {
  --bg: #fff;
  --ink: #3a3632;
  --muted: #8a8580;
  --works: #c17c68;
  --about: #6f93a8;
  --statement: #7f9e7a;
  --cv: #bd9a4e;
  --contact: #9c86b4;
  --series-0: #c17c68;
  --series-1: #6f93a8;
  --series-2: #7f9e7a;
  --series-3: #bd9a4e;
  --series-4: #9c86b4;
  --page-pad-x: clamp(32px, 5.2vw, 68px);
  --page-pad-y: clamp(28px, 5vw, 46px);
  --max-text: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.35;
}

button,
input {
  font: inherit;
}

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

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

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

/* ---------- Header ---------- */

.site-header {
  position: relative;
  padding: var(--page-pad-y) var(--page-pad-x) 0;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-block;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.primary-nav {
  display: none;
}

.icon-button,
.panel-close,
.lightbox-close {
  display: inline-grid;
  place-items: center;
  width: clamp(31px, 4vw, 42px);
  height: clamp(31px, 4vw, 42px);
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.icon-button svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.icon-button:hover,
.icon-button:focus-visible,
.panel-close:hover,
.panel-close:focus-visible {
  color: var(--muted);
}

.panel {
  width: min(100%, 1040px);
  margin-top: clamp(24px, 4vw, 40px);
}

.panel[hidden] {
  display: none;
}

.panel-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.menu-panel {
  display: grid;
  gap: 4px;
}

.menu-link,
.menu-works-toggle {
  display: block;
  width: fit-content;
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--ink);
  font-size: clamp(38px, 7vw, 60px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: 0;
  cursor: pointer;
}

.menu-link:hover,
.menu-link:focus-visible,
.menu-works-toggle:hover,
.menu-works-toggle:focus-visible {
  opacity: 0.68;
}

.nav-works {
  color: var(--works);
}

.nav-about {
  color: var(--about);
}

.nav-statement {
  color: var(--statement);
}

.nav-cv {
  color: var(--cv);
}

.nav-contact {
  color: var(--contact);
}

.menu-series-links {
  display: grid;
  gap: 2px;
  margin: 2px 0 8px 18px;
}

.menu-series-links[hidden] {
  display: none;
}

.menu-series-links .series-link {
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 700;
}

.series-links {
  display: grid;
  gap: 4px;
}

.series-links .series-link {
  display: block;
  width: fit-content;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.15;
  font-weight: 900;
}

.series-links .series-link:hover,
.series-links .series-link:focus-visible {
  opacity: 0.62;
}

.series-color-0 {
  color: var(--series-0);
}

.series-color-1 {
  color: var(--series-1);
}

.series-color-2 {
  color: var(--series-2);
}

.series-color-3 {
  color: var(--series-3);
}

.series-color-4 {
  color: var(--series-4);
}

.panel-close {
  justify-content: start;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(38px, 6vw, 54px);
  line-height: 1;
}

/* ---------- Main / layout ---------- */

main {
  padding: clamp(30px, 5vw, 46px) var(--page-pad-x) 90px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.medium-label {
  margin: 0 0 16px;
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 900;
  line-height: 1.05;
}

.intro {
  max-width: 720px;
  margin: 0 0 clamp(30px, 5vw, 50px);
  font-size: clamp(19px, 2.2vw, 28px);
  line-height: 1.18;
  font-weight: 700;
}

/* ---------- Home mosaic ---------- */

.mosaic {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(90px, 12vw, 150px), 1fr));
  grid-auto-flow: dense;
  gap: clamp(12px, 1.8vw, 20px);
  max-width: 1080px;
  align-items: start;
}

.mosaic-item {
  position: relative;
  min-width: 0;
  padding: 0;
  background: #f4f4f4;
  border: 0;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 1 / 0.9;
}

.mosaic-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.97);
}

.mosaic-item:hover img,
.mosaic-item:focus-visible img {
  filter: saturate(1.1) contrast(1.05);
}

.mosaic-item.wide {
  grid-column: span 2;
  aspect-ratio: 2 / 1;
}

.mosaic-item.tall {
  grid-row: span 2;
  aspect-ratio: 0.72 / 1;
}

.mosaic-item.square {
  aspect-ratio: 1;
}

.install-badge {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.mosaic-item.install-shot:hover .install-badge,
.mosaic-item.install-shot:focus-visible .install-badge {
  opacity: 1;
}

/* ---------- Section titles ---------- */

.section-title {
  margin: 0;
  font-size: clamp(42px, 8vw, 78px);
  line-height: 0.98;
  font-weight: 900;
  letter-spacing: 0;
}

.works-color {
  color: var(--works);
}

.about-color {
  color: var(--about);
}

.statement-color {
  color: var(--statement);
}

.cv-color {
  color: var(--cv);
}

.contact-color {
  color: var(--contact);
}

.section-subtitle {
  margin: 12px 0 clamp(30px, 5vw, 48px);
  color: var(--muted);
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1;
  font-weight: 900;
}

/* ---------- Works overview (series grid) ---------- */

.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: clamp(28px, 5vw, 50px);
  max-width: 1120px;
}

.series-card {
  display: grid;
  gap: 12px;
}

.series-card-image {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f4f4f4;
}

.series-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.series-card:hover .series-card-image img,
.series-card:focus-visible .series-card-image img {
  transform: scale(1.04);
}

.series-card-title {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 900;
}

.series-card-years {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
}

/* ---------- Series page ---------- */

.series-view {
  max-width: 1120px;
}

.back-link {
  display: inline-block;
  margin-bottom: clamp(18px, 3vw, 30px);
  color: var(--muted);
  font-size: 16px;
  font-weight: 700;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--works);
}

.series-intro {
  max-width: var(--max-text);
  margin-bottom: clamp(30px, 5vw, 54px);
}

.series-intro p {
  margin: 0 0 14px;
  font-size: clamp(18px, 1.9vw, 24px);
  line-height: 1.32;
  font-weight: 500;
}

.works-list {
  display: grid;
  gap: clamp(36px, 7vw, 90px);
  max-width: 1120px;
}

.work-card {
  display: grid;
  grid-template-columns: minmax(180px, 460px) minmax(210px, 1fr);
  align-items: end;
  gap: clamp(22px, 4vw, 58px);
}

.work-card button {
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.work-card img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  object-position: left bottom;
}

.work-meta {
  padding-bottom: 4px;
  font-size: clamp(18px, 2.1vw, 26px);
  line-height: 1.2;
  font-weight: 700;
}

.work-meta p {
  margin: 0;
}

.work-title-line {
  font-weight: 900;
}

/* ---------- Text pages ---------- */

.text-view {
  max-width: var(--max-text);
}

.about-copy,
.statement,
.fact-list,
.cv-section,
.contact-block,
.contact-lead {
  margin-top: clamp(26px, 5vw, 46px);
}

.about-copy p,
.statement p {
  margin: 0 0 18px;
  font-size: clamp(19px, 2vw, 26px);
  line-height: 1.3;
  font-weight: 500;
}

.fact-list {
  display: grid;
  gap: 8px;
  margin-top: clamp(22px, 4vw, 36px);
  padding: 0;
  list-style: none;
  font-size: clamp(18px, 1.9vw, 23px);
  font-weight: 700;
}

.cv-section h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  color: var(--cv);
}

.cv-placeholder {
  margin: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 600;
  font-style: italic;
}

.cv-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.4;
  font-weight: 500;
}

.cv-year {
  color: var(--cv);
  font-weight: 700;
}

.contact-lead {
  margin-top: 0;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 700;
}

.contact-block {
  display: grid;
  gap: 12px;
}

.contact-block p {
  margin: 0;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 700;
}

.contact-block span {
  display: block;
  color: var(--contact);
  font-size: 0.7em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-block a {
  border-bottom: 2px solid currentColor;
}

.contact-block a:hover,
.contact-block a:focus-visible {
  color: var(--contact);
}

/* ---------- Lightbox / install popup ---------- */

.lightbox,
.install-popup {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  justify-items: center;
  gap: 18px;
  padding: 64px var(--page-pad-x) 36px;
  background: rgba(255, 255, 255, 0.97);
}

.lightbox[hidden],
.install-popup[hidden] {
  display: none;
}

.lightbox img,
.install-popup img {
  max-width: min(100%, 1180px);
  max-height: calc(100vh - 200px);
  object-fit: contain;
}

.lightbox-caption {
  text-align: center;
  font-size: clamp(17px, 2vw, 24px);
  line-height: 1.25;
  font-weight: 700;
}

.lightbox-caption p {
  margin: 0;
}

.lightbox-go-link {
  display: inline-block;
  margin-top: 10px;
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 700;
  border-bottom: 2px solid currentColor;
  color: var(--works);
}

.lightbox-go-link:hover,
.lightbox-go-link:focus-visible {
  opacity: 0.7;
}

.lightbox-go-link[hidden] {
  display: none;
}

.install-caption {
  text-align: center;
}

.install-series-name {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 900;
  color: var(--works);
}

.install-go-link {
  display: inline-block;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 700;
  border-bottom: 2px solid currentColor;
  color: var(--ink);
}

.install-go-link:hover,
.install-go-link:focus-visible {
  color: var(--works);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: var(--page-pad-x);
  color: var(--muted);
  font-size: 44px;
}

/* ---------- Mobile (<=720px): hamburger, stacked panels ---------- */

@media (max-width: 720px) {
  :root {
    --page-pad-x: 28px;
    --page-pad-y: 30px;
  }

  .brand {
    max-width: 220px;
  }

  .panel {
    margin-top: 30px;
  }

  main {
    padding-top: 34px;
  }

  .intro {
    max-width: 350px;
  }

  .mosaic {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 470px;
  }

  .mosaic-item.wide {
    grid-column: span 2;
  }

  .work-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .work-card img {
    max-height: none;
  }

  .work-meta {
    padding-bottom: 0;
  }
}

@media (max-width: 390px) {
  :root {
    --page-pad-x: 22px;
  }

  .menu-link,
  .menu-works-toggle {
    font-size: 34px;
  }

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

/* ---------- Desktop (>720px): top nav bar, dropdown submenu ---------- */

@media (min-width: 721px) {
  :root {
    --page-pad-x: 26px;
    --page-pad-y: 22px;
  }

  .brand {
    font-size: 19px;
    white-space: nowrap;
  }

  .header-row {
    gap: 30px;
  }

  .primary-nav {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.4vw, 34px);
    margin-left: auto;
  }

  .nav-link {
    padding: 0;
    background: transparent;
    border: 0;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
  }

  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link[aria-expanded="true"] {
    opacity: 0.68;
  }

  .hamburger {
    display: none;
  }

  .panel {
    position: absolute;
    z-index: 10;
    top: 62px;
    left: var(--page-pad-x);
    width: min(720px, calc(100vw - 44px));
    margin-top: 0;
    padding: 20px 24px 24px;
    background: var(--bg);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  }

  .works-panel {
    left: auto;
    right: var(--page-pad-x);
    width: min(420px, calc(100vw - 44px));
  }

  .menu-panel {
    display: none !important;
  }

  .panel-close {
    width: 26px;
    height: 26px;
    margin-top: 12px;
    font-size: 26px;
  }

  main {
    padding-top: 88px;
  }

  .medium-label {
    margin-bottom: 6px;
    font-size: 16px;
  }

  .intro {
    max-width: 520px;
    margin-bottom: 32px;
    font-size: 15px;
    line-height: 1.35;
    font-weight: 600;
  }

  .mosaic {
    grid-template-columns: repeat(auto-fill, minmax(70px, 78px));
    grid-auto-rows: 54px;
    gap: 10px;
    max-width: calc(100vw - 64px);
  }

  .mosaic-item,
  .mosaic-item.square,
  .mosaic-item.tall,
  .mosaic-item.wide {
    aspect-ratio: auto;
    height: 54px;
  }

  .mosaic-item.wide {
    grid-column: span 2;
  }

  .mosaic-item.tall {
    grid-row: span 2;
    height: 118px;
  }

  .section-title {
    font-size: 32px;
  }

  .section-subtitle {
    margin: 6px 0 24px;
    font-size: 17px;
  }

  .series-card-title {
    font-size: 17px;
  }

  .series-card-years {
    font-size: 13px;
  }

  .back-link {
    font-size: 13px;
  }

  .series-intro p {
    font-size: 15px;
    line-height: 1.45;
  }

  .works-list {
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    align-items: end;
    gap: 44px 30px;
    max-width: 1120px;
  }

  .work-card {
    display: block;
  }

  .work-card img {
    width: auto;
    max-width: 100%;
    max-height: 260px;
  }

  .work-meta {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.14;
  }

  .about-copy p,
  .statement p {
    font-size: 15px;
    line-height: 1.4;
  }

  .fact-list,
  .contact-block p,
  .contact-lead {
    font-size: 14px;
  }

  .cv-section h2 {
    font-size: 18px;
  }

  .cv-list,
  .cv-placeholder {
    font-size: 14px;
  }

  .lightbox-caption {
    font-size: 14px;
  }

  .lightbox-go-link {
    font-size: 12px;
  }

  .install-series-name {
    font-size: 18px;
  }

  .install-go-link {
    font-size: 13px;
  }

  .panel-label {
    font-size: 13px;
  }

  .menu-series-links .series-link {
    font-size: 15px;
  }

  .series-links .series-link {
    font-size: 22px;
  }
}