/* Norge House — recreated wooden-houses home page in staging-site visual language */
:root {
  /* Norge House brand palette — Primary + Secondary swatches */
  --bg: #FFFFFF;            /* Primary/White */
  --bg-2: #F2F2F2;          /* Secondary/Soft Ash */
  --bg-3: #E6E6E6;
  --paper: #FFFFFF;
  --ink: #161515;           /* Primary/Black */
  --ink-2: #383535;         /* Primary/Graphite */
  --muted: #8A8A8A;
  --pebble: #ADADAD;        /* Secondary/Pebble Gray */
  --hairline: #E5E5E5;
  --hairline-2: #D4D4D4;
  --accent: #779FA1;        /* Primary/Sage Green */
  --accent-2: #894322;      /* Primary/Burnt Clay */
  --accent-3: #BB7B5D;      /* Secondary/Clay Rose */
  --on-accent: #FFFFFF;
  --shadow-1: 0 1px 2px rgba(22,21,21,.06), 0 8px 28px rgba(22,21,21,.08);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01";
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* eyebrow with crown */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-2);
}
.eyebrow .crown {
  width: 16px; height: 16px;
  display: inline-grid; place-items: center;
  color: var(--accent);
}

/* type */
h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1.04;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 5.6vw, 78px); letter-spacing: -0.035em; line-height: 1.02; }
h2 { font-size: clamp(34px, 4vw, 60px); letter-spacing: -0.03em; line-height: 1.05; }
h3 { font-size: clamp(20px, 1.6vw, 24px); letter-spacing: -0.015em; font-weight: 500; }
p { margin: 0; color: var(--ink-2); }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--on-accent);
  transition: transform 220ms ease, background 220ms ease, color 220ms ease, border-color 220ms ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); background: var(--accent); }
.btn .arrow { transition: transform 240ms ease; display: inline-flex; }
.btn:hover .arrow { transform: translateX(4px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline-2);
}
.btn--ghost:hover { background: var(--ink); color: var(--on-accent); border-color: var(--ink); }
.btn--light {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.btn--light:hover { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn--lg { padding: 18px 28px; font-size: 15px; }

/* production sub-nav */
.prod-subnav {
  position: sticky;
  top: 88px;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding: 0 var(--gutter);
  pointer-events: none;
}
.prod-subnav__nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  padding: 4px 6px;
  box-shadow: 0 4px 24px rgba(22,21,21,0.10), 0 1px 2px rgba(22,21,21,0.06);
  pointer-events: all;
}
.prod-subnav__nav::-webkit-scrollbar { display: none; }
.prod-subnav__item {
  flex-shrink: 0;
  background: none;
  border: none;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  transition: color 0.2s, background 0.2s;
}
.prod-subnav__item:hover { color: var(--ink); background: rgba(22,21,21,0.05); }
.prod-subnav__item.is-active {
  color: var(--on-accent);
  background: var(--accent);
}
.prod-subnav__item.is-active::after { display: none; }

/* nav */
.nav {
  position: sticky;
  top: 16px;
  z-index: 50;
  pointer-events: none;
  padding: 0 var(--gutter);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 60px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  padding: 0 12px 0 16px;
  box-shadow: 0 4px 24px rgba(22,21,21,0.10), 0 1px 2px rgba(22,21,21,0.06);
  pointer-events: all;
  max-width: var(--container);
  margin: 0 auto;
  justify-content: space-between;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.logo {
  display: inline-flex;
  align-items: center;
  height: 32px;
}
.logo__img {
  height: 24px;
  width: auto;
  display: block;
}
.logo--light .logo__img { filter: brightness(0) invert(1); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 16px;
}
.nav__links a {
  font-size: 14px;
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
  font-weight: 500;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px; border-radius: 2px;
  background: var(--accent);
}
.nav__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang {
  display: inline-flex;
  background: rgba(22,21,21,0.06);
  border: none;
  border-radius: var(--radius-pill);
  padding: 3px;
}
.lang button {
  border: none;
  background: transparent;
  font-size: 11px;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 5px 9px;
  border-radius: var(--radius-pill);
  color: var(--muted);
  cursor: pointer;
}
.lang button.is-active {
  background: var(--ink);
  color: var(--on-accent);
}
.nav__menu-btn {
  display: none;
  border: 1px solid var(--hairline-2);
  background: var(--paper);
  border-radius: var(--radius-pill);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  align-items: center; gap: 8px;
}

/* generic sections */
section { scroll-margin-top: 100px; }
.section { padding: clamp(72px, 9vw, 140px) 0; }
.section--alt { background: var(--bg-2); }
.section--paper { background: var(--paper); }

.section__head {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.section__head h2 { max-width: 14ch; }
.section__head p { max-width: 46ch; font-size: 16px; }

/* hero */
.hero { padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 7vw, 100px); }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: stretch;
}
.hero__text { display: flex; flex-direction: column; justify-content: center; padding-top: clamp(20px, 3vw, 40px); }
.hero__eyebrow { margin-bottom: 24px; }
.hero h1 { margin-bottom: 28px; }
.hero h1 em { font-style: italic; color: var(--accent-2); font-family: "Instrument Serif", serif; font-weight: 400; }
.hero__lead {
  max-width: 480px;
  font-size: 18px;
  color: var(--ink-2);
  margin-bottom: 36px;
  line-height: 1.5;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero__media {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-3);
  box-shadow: var(--shadow-1);
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s cubic-bezier(.2,.6,.2,1);
}
.hero__media:hover img { transform: scale(1.04); }
.hero__chips {
  position: absolute;
  left: 20px; right: 20px; bottom: 20px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.chip {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px;
}
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.hero__sub {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
}
.hero__sub > div {
  display: flex; gap: 14px; align-items: flex-start;
}
.hero__sub__num {
  font-size: 12px; font-weight: 600;
  color: var(--accent);
  width: 28px; flex: 0 0 28px;
  letter-spacing: 0.04em;
}
.hero__sub__body strong { display: block; font-size: 15px; color: var(--ink); font-weight: 600; margin-bottom: 4px; }
.hero__sub__body span { font-size: 13px; color: var(--muted); }

/* stats — generous, like staging numbers */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 2.5vw, 40px);
}
.stat {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(28px, 3vw, 40px);
  display: flex; flex-direction: column; gap: 12px;
  position: relative;
  overflow: hidden;
  transition: transform 240ms ease, border-color 240ms ease;
}
.stat:hover { transform: translateY(-2px); border-color: var(--accent); }
.stat__num {
  font-size: clamp(48px, 4.4vw, 76px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
  font-feature-settings: "tnum";
  white-space: nowrap;
}
.stat__num .suffix { color: var(--accent); margin-left: 2px; font-weight: 400; }
.stat__label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  margin-top: auto;
}

/* about block */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.about__media {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-3);
  box-shadow: var(--shadow-1);
}
.about__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s ease; }
.about__media:hover img { transform: scale(1.04); }
.about h2 { margin-bottom: 20px; }
.about p { font-size: 17px; margin-bottom: 16px; color: var(--ink-2); line-height: 1.6; }
.about__bullets { list-style: none; padding: 0; margin: 28px 0 32px; display: grid; gap: 12px; }
.about__bullets li { display: flex; gap: 12px; font-size: 15px; color: var(--ink-2); align-items: flex-start; }
.about__bullets li svg { color: var(--accent); flex: 0 0 auto; margin-top: 4px; }

/* features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 28px);
}
.feature {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(28px, 3vw, 36px);
  display: flex; flex-direction: column; gap: 16px;
  transition: transform 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
  min-height: 280px;
}
.feature:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow-1); }
.feature__head { display: flex; align-items: center; justify-content: space-between; }
.feature__num {
  font-size: 12px; color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.feature__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  color: var(--accent);
  background: rgba(119, 159, 161, 0.12);
  border-radius: 12px;
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 { margin-top: 12px; }
.feature p { font-size: 15px; color: var(--ink-2); line-height: 1.55; }

/* projects */
.projects__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filters button {
  border: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--ink-2);
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  transition: all 200ms ease;
}
.filters button:hover { border-color: var(--ink); color: var(--ink); }
.filters button.is-active {
  background: var(--ink);
  color: var(--on-accent);
  border-color: var(--ink);
}
.projects__count {
  font-size: 13px; color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
}
.projects__cta { display: flex; justify-content: center; margin-top: clamp(40px, 5vw, 64px); }
.project {
  cursor: pointer;
  display: flex; flex-direction: column; gap: 14px;
  background: transparent;
  border: none;
  text-align: left;
  padding: 0;
  font-family: inherit;
}
.project__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-3);
}
.project__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.6,.2,1);
}
.project:hover .project__media img { transform: scale(1.05); }
.project__tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(255, 255, 255, 0.95);
  font-size: 11px; font-weight: 500;
  padding: 6px 10px; border-radius: var(--radius-pill);
  color: var(--ink);
  z-index: 1;
}
.project__head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 0 4px; }
.project__head h3 { font-weight: 500; }
.project__meta { font-size: 14px; color: var(--ink-2); display: flex; gap: 16px; padding: 0 4px; flex-wrap: wrap; }
.project__meta span { display: inline-flex; align-items: center; gap: 6px; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(22,21,21,.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
  animation: fade 220ms ease;
}
.lightbox.is-open { display: flex; }
@keyframes fade { from { opacity: 0; transform: scale(.98) } to { opacity: 1; transform: scale(1) } }

.lightbox__inner {
  background: var(--paper);
  max-width: 1400px;
  width: 100%;
  height: min(92vh, 860px);
  display: grid;
  grid-template-columns: 58% 42%;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(22,21,21,.32), 0 4px 20px rgba(22,21,21,.14);
}

/* close button */
.lightbox__close {
  position: absolute; top: 14px; right: 14px;
  width: 36px; height: 36px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.3);
  background: rgba(22,21,21,.45);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  color: #fff;
  z-index: 10;
  transition: background 200ms ease, border-color 200ms ease;
}
.lightbox__close:hover { background: rgba(22,21,21,.75); border-color: rgba(255,255,255,.5); }

/* gallery column */
.lightbox__gallery {
  display: flex;
  flex-direction: column;
  background: #fff;
  overflow: hidden;
}
.lightbox__gallery-main {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.lightbox__gallery-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: opacity 220ms ease;
}
.lb-arrow-flip { display: inline-flex; transform: scaleX(-1); }
.lightbox__nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.6);
  display: grid; place-items: center;
  color: var(--ink);
  z-index: 3;
  transition: background 180ms ease, transform 180ms ease;
}
.lightbox__nav:hover { background: #fff; transform: translateY(-50%) scale(1.06); }
.lightbox__nav--prev { left: 14px; }
.lightbox__nav--next { right: 14px; }

.lightbox__dots {
  position: absolute;
  bottom: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px;
  z-index: 3;
}
.lightbox__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  border: none; padding: 0; cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}
.lightbox__dot.is-active { background: #fff; transform: scale(1.3); }

.lightbox__gallery-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-2);
  border-top: 1px solid var(--hairline);
  flex-shrink: 0;
}
.lightbox__gallery-arrow {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--hairline-2);
  background: var(--paper);
  display: grid; place-items: center;
  color: var(--ink);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, opacity 180ms ease;
  flex-shrink: 0;
}
.lightbox__gallery-arrow:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.lightbox__gallery-arrow.is-disabled { opacity: 0.3; pointer-events: none; }
.lightbox__gallery-counter {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}


  display: flex;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg-2);
  border-top: 1px solid var(--hairline);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}
.lightbox__thumbs::-webkit-scrollbar { display: none; }
.lightbox__thumb {
  width: 84px; height: 60px;
  flex-shrink: 0;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  padding: 0; background: var(--bg-3);
  cursor: pointer;
  transition: border-color 180ms ease, opacity 180ms ease;
  opacity: 0.6;
}
.lightbox__thumb:hover { opacity: 0.85; }
.lightbox__thumb.is-active { border-color: var(--accent); opacity: 1; }
.lightbox__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* content column */
.lightbox__body {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline-2) transparent;
  border-left: 1px solid var(--hairline);
}
.lightbox__body::-webkit-scrollbar { width: 4px; }
.lightbox__body::-webkit-scrollbar-thumb { background: var(--hairline-2); border-radius: 4px; }

/* header: tag + title + description */
.lightbox__body-top {
  padding: 32px 32px 24px;
}
.lightbox__title {
  font-size: clamp(30px, 2.4vw, 42px);
  margin: 10px 0 16px;
  letter-spacing: -0.03em;
  line-height: 1.04;
}
.lightbox__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0;
}

/* specs — definition list style */
.lightbox__specs {
  padding: 0 32px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.lightbox__specs-heading {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 18px;
  padding-bottom: 10px;
}
.lightbox__spec-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--hairline);
}
.lightbox__spec-row:first-of-type { border-top: none; }
.lightbox__spec-label {
  font-size: 13px;
  color: var(--muted);
  flex-shrink: 0;
}
.lightbox__spec-dots {
  flex: 1;
  border-bottom: 1px dotted var(--hairline-2);
  margin-bottom: 3px;
}
.lightbox__spec-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  text-align: right;
  white-space: nowrap;
}

/* kit included */
.lightbox__included {
  padding: 20px 32px;
  border-bottom: 1px solid var(--hairline);
}
.lightbox__included-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.lightbox__included-list {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
}
.lightbox__included-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}
.lightbox__included-list li svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* footer: CTA */
.lightbox__footer {
  padding: 20px 32px;
  margin-top: auto;
}
.lightbox__cta {
  width: 100%;
  justify-content: center;
  padding: 16px 24px;
  font-size: 15px;
}

/* hover hint on card */
.project__hover-hint {
  position: absolute;
  inset: 0;
  background: rgba(22,21,21,.32);
  display: grid; place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 280ms ease;
  border-radius: var(--radius);
}
.project:hover .project__hover-hint { opacity: 1; }

/* responsive lightbox */
@media (max-width: 960px) {
  .lightbox__inner {
    grid-template-columns: 1fr;
    grid-template-rows: 56vw 1fr;
    height: min(94vh, 860px);
    max-width: 560px;
  }
  .lightbox__gallery { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .lightbox__body { border-left: none; border-top: 1px solid var(--hairline); overflow-y: auto; }
  .lightbox__body-top { padding: 24px 24px 16px; }
  .lightbox__specs { padding: 0 24px; }
  .lightbox__included { padding: 16px 24px; }
  .lightbox__footer { padding: 16px 24px; }
}

/* CTA banner — like "Build Your Vision With Us" */
.cta {
  background: var(--ink-2);
  color: var(--on-accent);
  padding: clamp(64px, 8vw, 120px) 0;
  position: relative;
  overflow: hidden;
}
.cta__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}
.cta h2 { color: var(--on-accent); font-size: clamp(36px, 4.5vw, 64px); }
.cta__inner span.eyebrow { color: rgba(255,255,255,0.7); }
.cta__lead {
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  max-width: 50ch;
  margin-top: 20px;
  line-height: 1.55;
}
.cta__form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(246, 244, 239, 0.1);
  padding: 28px;
  border-radius: var(--radius);
  display: grid;
  gap: 14px;
}
.cta .cta__form label { font-size: 12px; color: rgba(255, 255, 255, 0.7); margin-bottom: 4px; display: block; font-weight: 500; }
.cta__form input,
.cta__form textarea,
.cta__form select {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--on-accent);
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 10px;
  width: 100%;
  transition: border-color 200ms ease;
}
.cta__form input::placeholder,
.cta__form textarea::placeholder { color: rgba(255, 255, 255, 0.4); }
.cta__form input:focus,
.cta__form textarea:focus,
.cta__form select:focus {
  outline: none;
  border-color: var(--on-accent);
}
.cta__form textarea { min-height: 84px; resize: vertical; }
.cta__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cta__form .btn {
  background: var(--on-accent);
  color: var(--ink);
  border-color: var(--on-accent);
  justify-self: flex-start;
}
.cta__form .btn:hover { background: var(--accent-2); color: var(--on-accent); border-color: var(--accent-2); }
.field-error { font-size: 12px; color: #E89C8E; margin-top: 6px; }
.cta__success {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--on-accent);
  padding: 24px;
  border-radius: var(--radius);
  display: flex; gap: 14px; align-items: flex-start;
}

/* news */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
}
.news-item { display: flex; flex-direction: column; gap: 14px; cursor: pointer; }
.news-item__media { aspect-ratio: 16/10; overflow: hidden; border-radius: var(--radius); background: var(--bg-3); }
.news-item__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 800ms cubic-bezier(.2,.6,.2,1); }
.news-item:hover .news-item__media img { transform: scale(1.04); }
.news-item__date { font-size: 12px; color: var(--muted); font-weight: 500; }
.news-item h3 { font-size: 20px; }
.news-item__more { font-size: 13px; display: inline-flex; align-items: center; gap: 8px; color: var(--ink); margin-top: auto; font-weight: 500; }

/* big-letter divider, like "Build Your Vision With Us" */
.divider {
  background: var(--paper);
  padding: clamp(80px, 10vw, 140px) 0;
  text-align: center;
}
.divider__text {
  font-size: clamp(48px, 9vw, 144px);
  letter-spacing: -0.04em;
  line-height: 0.95;
  font-weight: 500;
  color: var(--ink);
  text-wrap: balance;
}
.divider__text em {
  font-style: italic;
  color: var(--accent-2);
  font-family: "Instrument Serif", serif;
  font-weight: 400;
}
.divider .btn { margin-top: 36px; }

/* footer — photo bg + liquid glass */
.footer {
  position: relative;
  overflow: hidden;
  color: rgba(255,255,255,0.85);
  border-radius: 24px;
  margin: 0 clamp(12px, 2vw, 32px) clamp(12px, 2vw, 32px);
}
.footer__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.footer__bg-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}
.footer__bg-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,1) 0%,
    rgba(255,255,255,0.6) 20%,
    rgba(255,255,255,0) 50%,
    rgba(255,255,255,0) 100%
  );
}
.footer__glass {
  position: relative;
  z-index: 1;
  padding-top: clamp(200px, 28vw, 380px);
  padding-bottom: 28px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(22,21,21,0.3) 50%,
    rgba(22,21,21,0.72) 100%
  );
}
.footer__glass .container { backdrop-filter: blur(8px) saturate(140%); background: rgba(255,255,255,0.03); border-radius: 20px 20px 0 0; border: 1px solid rgba(255,255,255,0.06); border-bottom: none; padding-top: clamp(36px, 4vw, 56px); padding-bottom: 0; padding-left: var(--gutter); padding-right: var(--gutter); }.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(36px, 5vw, 56px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__brand .logo { color: #fff; }
.footer__brand p { font-size: 14px; max-width: 36ch; margin-top: 16px; color: rgba(255,255,255,0.6); line-height: 1.6; }
.footer__socials { display: flex; gap: 10px; margin-top: 20px; }
.footer__socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  transition: all 220ms ease;
}
.footer__socials a:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.4); }
.footer h4 { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 18px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { font-size: 14px; color: rgba(255,255,255,0.7); }
.footer a:hover { color: #fff; }
.footer__bottom {
  padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  font-size: 12px; color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
}
.footer__bottom__legal { display: flex; gap: 22px; }

@media (max-width: 1000px) {
  .footer__grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* page hero (subpages) */
.pagehero {
  padding: clamp(80px, 8vw, 140px) 0 clamp(56px, 6vw, 96px);
  border-bottom: 1px solid var(--hairline);
}
.pagehero__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: end; }
.pagehero__text h1 {
  font-size: clamp(48px, 6vw, 88px);
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin: 16px 0 24px;
  font-weight: 400;
}
.pagehero__lead {
  font-size: clamp(17px, 1.4vw, 22px);
  line-height: 1.55;
  color: var(--muted);
  max-width: 56ch;
}
.pagehero__media {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
}
.pagehero__media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.pagehero--tilted {
  overflow: hidden;
}
.pagehero--tilted .pagehero__media {
  aspect-ratio: 4/5;
  overflow: hidden;
  transform: none;
  box-shadow: var(--shadow-1);
}
.pagehero--tilted .pagehero__media img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: none;
}
.pagehero--tilted .pagehero__media img { border-radius: var(--radius-lg); }

/* numbered process steps (Production, About) */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 40px);
}
.process__step {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(24px, 2.5vw, 36px);
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  min-height: 220px;
}
.process__num {
  font-family: "Instrument Serif", serif;
  font-size: clamp(48px, 5vw, 80px);
  line-height: 1;
  color: var(--accent);
  font-weight: 400;
  letter-spacing: -0.03em;
}
.process__step h3 {
  font-size: clamp(20px, 1.6vw, 24px);
  margin: 0;
  letter-spacing: -0.01em;
  font-weight: 500;
}
.process__step p { color: var(--muted); margin: 0; line-height: 1.55; font-size: 15px; }

/* standards cards (About) */
.standards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 40px);
}
.standards__card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(28px, 3vw, 44px);
  display: flex; flex-direction: column; gap: 18px;
  transition: border-color 240ms ease, transform 240ms ease;
}
.standards__card:hover { border-color: var(--accent); transform: translateY(-2px); }
.standards__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  color: var(--accent);
  background: rgba(119, 159, 161, 0.12);
  border-radius: 14px;
}
.standards__card h3 { font-size: 22px; margin: 0; font-weight: 500; letter-spacing: -0.01em; }
.standards__card p { color: var(--muted); margin: 0; line-height: 1.55; font-size: 15px; }

.units-block {
  margin-top: 32px;
  padding: clamp(16px, 3vw, 32px);
  background: var(--paper);
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
}

/* unit cards — project-card style grid */
.units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(16px, 2vw, 24px);
  margin-top: 40px;
}
.unit-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 240ms ease, transform 240ms ease;
}
.unit-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.unit-card__img {
  aspect-ratio: 4/3;
  background: transparent;
  overflow: hidden;
  flex-shrink: 0;
}
.unit-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
  padding: 12px;
  box-sizing: border-box;
  transition: transform 800ms cubic-bezier(.2,.6,.2,1);
}
.unit-card:hover .unit-card__img img {
  transform: scale(1.03);
}
.unit-card__text {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.unit-card__title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 12px 0;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.unit-card__list {
  margin: 0;
  padding: 0 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.unit-card__list li {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}
.unit-card__list li strong {
  color: var(--ink);
  font-weight: 500;
}
@media (max-width: 500px) {
  .units-grid { grid-template-columns: 1fr; }
}

/* kit sections (Production) */
.kit-section {
  border-top: 1px solid var(--hairline);
  padding-top: 32px;
}
.kit-section__head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}
.kit-section__num {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  background: color-mix(in oklch, var(--accent) 10%, transparent);
  border-radius: 6px;
  padding: 4px 10px;
  flex-shrink: 0;
  margin-top: 3px;
}
.kit-section__variants {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-left: 52px;
}
.kit-variant {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.kit-variant__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.kit-variant__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.kit-variant__list li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.4;
}
.kit-variant__list li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-2);
}
.kit-section__note {
  margin-top: 16px;
  margin-left: 52px;
  font-size: 13px;
  color: var(--muted);
}
@media (max-width: 600px) {
  .kit-section__variants { margin-left: 0; }
  .kit-section__note { margin-left: 0; }
}

/* materials (About construction) */
.materials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2vw, 32px);
}
.material {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(24px, 2.5vw, 36px);
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  align-items: start;
}
.material__icon {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  color: var(--accent);
  background: rgba(119, 159, 161, 0.12);
  border-radius: var(--radius);
}
.material h3 { margin: 0 0 8px; font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.material p { color: var(--muted); margin: 0; line-height: 1.55; font-size: 15px; }

/* contact details panel */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(32px, 4vw, 64px); align-items: start; }
.contact-info { background: var(--bg-2); border-radius: var(--radius-lg); padding: clamp(28px, 3vw, 44px); display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.contact-info h3 { margin: 0; font-size: 22px; font-weight: 500; }
.contact-info__row { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; }
.contact-info__row__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--paper); border: 1px solid var(--hairline); color: var(--accent); }
.contact-info__label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 4px; }
.contact-info__value { font-size: 16px; color: var(--ink); line-height: 1.45; }
.contact-info__value a { color: var(--ink); border-bottom: 1px solid var(--hairline-2); }
.contact-info__value a:hover { color: var(--accent-2); border-color: var(--accent-2); }

.map-block {
  margin-top: clamp(48px, 5vw, 72px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 16/6;
  background: var(--bg-2);
}
.map-block iframe { width: 100%; height: 100%; border: 0; display: block; }

/* article body */
.article__body { display: grid; gap: 20px; }
.article__body p { font-size: 18px; line-height: 1.7; color: var(--ink-2); }
.article__list { margin: 0; padding-left: 20px; display: grid; gap: 10px; }
.article__list li { font-size: 18px; line-height: 1.6; color: var(--ink-2); }

/* news-item__more link */
.news-item__more a { color: var(--ink); font-weight: 500; text-decoration: none; }
.news-item__more a:hover { color: var(--accent-2); } (Contacts page) */
.cta-form-light .cta__form { background: transparent; padding: 0; border: none; gap: 16px; }
.cta-form-light label { color: var(--ink-2); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 4px; }
.cta-form-light .cta__form input,
.cta-form-light .cta__form textarea,
.cta-form-light .cta__form select {
  background: var(--paper);
  border: 1px solid var(--hairline-2);
  color: var(--ink);
}
.cta-form-light .cta__form input::placeholder,
.cta-form-light .cta__form textarea::placeholder { color: var(--pebble); }
.cta-form-light .cta__form input:focus,
.cta-form-light .cta__form textarea:focus,
.cta-form-light .cta__form select:focus { border-color: var(--accent); outline: 2px solid rgba(119, 159, 161, 0.18); outline-offset: 0; }
.cta-form-light .cta__form .btn { background: var(--ink); color: var(--on-accent); border-color: var(--ink); }
.cta-form-light .cta__form .btn:hover { background: var(--accent-2); border-color: var(--accent-2); }
.cta-form-light .cta__success { background: var(--bg-2); border: 1px solid var(--hairline); color: var(--ink); }

/* news list page */
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 2.5vw, 40px); }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: clamp(40px, 5vw, 64px); }
.pagination a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--hairline-2);
  border-radius: 50%;
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}
.pagination a.is-active { background: var(--ink); color: var(--on-accent); border-color: var(--ink); }
.pagination a:hover { border-color: var(--accent); color: var(--accent-2); }

/* full-catalog projects grid (Projects page) */
.catalog__sections {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 32px;
}
.catalog__section-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s;
}
.catalog__section-tab:hover { color: var(--ink); }
.catalog__section-tab.is-active { color: var(--ink); border-bottom-color: var(--accent); }
.catalog__section-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--bg-2);
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}
.catalog__section-tab.is-active .catalog__section-count {
  background: var(--accent);
  color: #fff;
}
.project__realised-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
}
.catalog__bar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin-bottom: clamp(28px, 3vw, 40px);
  flex-wrap: wrap;
}
.catalog__filters { display: flex; gap: 8px; flex-wrap: wrap; }
.catalog__filters button {
  padding: 8px 16px;
  border: 1px solid var(--hairline-2);
  border-radius: var(--radius-pill);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.catalog__filters button.is-active { background: var(--ink); color: var(--on-accent); border-color: var(--ink); }
.catalog__count { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.catalog__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 2.5vw, 36px); }

/* ── Photo gallery lightbox ── */
.photo-lb {
  position: fixed; inset: 0;
  background: rgba(14,13,13,.96);
  z-index: 200;
  display: flex;
  align-items: stretch;
  justify-content: center;
  animation: fade 200ms ease;
}
.photo-lb__inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1600px;
}
.photo-lb__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.photo-lb__name {
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.01em;
}
.photo-lb__counter {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.photo-lb__close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
  display: grid; place-items: center;
  color: rgba(255,255,255,.8);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease;
}
.photo-lb__close:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.4); }

.photo-lb__stage {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.photo-lb__stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  animation: fade 180ms ease;
}
.photo-lb__nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.2);
  display: grid; place-items: center;
  color: #fff;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
  z-index: 2;
}
.photo-lb__nav:hover { background: rgba(255,255,255,.2); transform: translateY(-50%) scale(1.07); }
.photo-lb__nav--prev { left: 20px; }
.photo-lb__nav--next { right: 20px; }

.photo-lb__thumbs {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.2) transparent;
  border-top: 1px solid rgba(255,255,255,.08);
}
.photo-lb__thumbs::-webkit-scrollbar { height: 4px; }
.photo-lb__thumbs::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 4px; }
.photo-lb__thumb {
  width: 80px; height: 56px;
  flex-shrink: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 180ms ease, border-color 180ms ease;
}
.photo-lb__thumb:hover { opacity: 0.8; }
.photo-lb__thumb.is-active { border-color: var(--accent); opacity: 1; }
.photo-lb__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* responsive */
@media (max-width: 1000px) {
  .nav__links { display: none; }
  .nav__menu-btn { display: inline-flex; }
  .hero__grid, .about, .cta__inner, .section__head, .pagehero__inner, .contact-grid { grid-template-columns: 1fr; }
  .hero__sub, .stats { grid-template-columns: repeat(2, 1fr); }
  .features, .projects__grid, .news__grid, .footer__grid, .process, .standards, .news-list, .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .lightbox__inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero__sub, .stats, .features, .projects__grid, .news__grid, .footer__grid, .process, .standards, .materials, .news-list, .catalog__grid { grid-template-columns: 1fr; }
  .cta__row { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}