/* =========================================================================
   Atlasfusions — 2026 site
   ========================================================================= */

/* ---------------------------------------------------------------- tokens */
:root {
  --red: #ea4b51;
  --red-deep: #c9353b;
  --red-wash: #fdf1f1;

  --ink: #101114;
  --ink-2: #1b1d21;
  --ink-3: #2a2d33;
  --paper: #fbfaf8;
  --paper-2: #f3f1ed;
  --line: #e2ded8;

  --muted: #6d6f75;
  --muted-dark: #9a9ca3;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;

  --gut: clamp(1.25rem, 4vw, 4rem);
  --maxw: 1440px;
  --radius: 2px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 0.7s;

  --head-h: 88px;
}

@media (max-width: 800px) {
  :root { --head-h: 68px; }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-weight: 350;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--red); color: #fff; }

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

/* --------------------------------------------------------------- helpers */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.wrap-narrow { max-width: 900px; }

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

.skip {
  position: absolute; left: 50%; top: 0;
  transform: translate(-50%, -140%);
  z-index: 200; background: var(--ink); color: #fff;
  padding: 0.75rem 1.25rem; font-size: 0.85rem;
  transition: transform 0.25s var(--ease);
}
.skip:focus { transform: translate(-50%, 0); }

/* ------------------------------------------------------------ typography */
.display,
h1.display { font-family: var(--serif); }

.h-xl, .h-lg, .h-md, .h-sm {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.022em;
  font-variation-settings: "SOFT" 0, "WONK" 0;
}

.h-xl { font-size: clamp(2.9rem, 8.2vw, 7.4rem); }
.h-lg { font-size: clamp(2.3rem, 5.4vw, 4.6rem); line-height: 1.04; }
.h-md { font-size: clamp(1.7rem, 3.1vw, 2.85rem); line-height: 1.1; }
.h-sm { font-size: clamp(1.25rem, 1.8vw, 1.6rem); line-height: 1.18; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--red);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: currentColor;
  flex: none;
}
.eyebrow.no-rule::before { display: none; }

.lede {
  font-size: clamp(1.05rem, 1.45vw, 1.32rem);
  line-height: 1.5;
  color: var(--ink-3);
  font-weight: 350;
}

.body-lg { font-size: 1.06rem; line-height: 1.72; color: var(--ink-3); }

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

em { font-style: italic; }

/* --------------------------------------------------------------- buttons */
.btn {
  --bg: var(--ink);
  --fg: #fff;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.65rem;
  background: var(--bg);
  color: var(--fg);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  border-radius: var(--radius);
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s var(--ease), transform 0.35s var(--ease);
}
.btn::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--red);
  transform: translateY(101%);
  transition: transform 0.45s var(--ease);
  z-index: -1;
}
.btn:hover::after { transform: translateY(0); }
.btn:hover { color: #fff; }
.btn:active { transform: scale(0.98); }

.btn--red { --bg: var(--red); }
.btn--red::after { background: var(--ink); }

.btn--ghost {
  --bg: transparent;
  --fg: var(--ink);
  border: 1px solid var(--line);
}
.btn--ghost:hover { color: #fff; border-color: var(--red); }

.btn--light { --bg: #fff; --fg: var(--ink); }

.btn .arw { transition: transform 0.4s var(--ease); }
.btn:hover .arw { transform: translateX(5px); }

/* link with animated underline */
.ulink {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding-bottom: 3px;
}
.ulink::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform-origin: right;
  transform: scaleX(1);
  transition: transform 0.45s var(--ease);
}
.ulink:hover::after {
  transform-origin: left;
  animation: swipe 0.6s var(--ease);
}
@keyframes swipe {
  0% { transform: scaleX(1); transform-origin: right; }
  49% { transform: scaleX(0); transform-origin: right; }
  50% { transform: scaleX(0); transform-origin: left; }
  100% { transform: scaleX(1); transform-origin: left; }
}
.ulink .arw { transition: transform 0.4s var(--ease); }
.ulink:hover .arw { transform: translateX(4px); }

/* ---------------------------------------------------------------- header */
.head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--head-h);
  display: flex;
  align-items: center;
  transition: height 0.4s var(--ease), background 0.4s var(--ease),
              box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.head .wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.head--solid {
  height: 66px;
  background: rgba(251, 250, 248, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
}

/* over-image header (home hero) */
.head--over, .head--over .nav a { color: #fff; }
.head--over.head--solid, .head--over.head--solid .nav a { color: var(--ink); }

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--red);
  flex: none;
  transition: color 0.4s var(--ease);
}
.head--over .brand { color: #fff; }
.head--over.head--solid .brand { color: var(--red); }

.brand svg { height: 26px; width: auto; transition: height 0.4s var(--ease); }
.head--solid .brand svg { height: 22px; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.1vw, 2.1rem);
  margin-left: auto;
}
.nav a {
  position: relative;
  font-size: 0.8rem;
  font-weight: 450;
  letter-spacing: 0.055em;
  padding: 0.4rem 0;
  white-space: nowrap;
}
.nav a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav a[aria-current="page"] { color: var(--red); }
.head--over .nav a[aria-current="page"] { color: #fff; }
.head--over.head--solid .nav a[aria-current="page"] { color: var(--red); }

/* language switcher */
.langsw {
  margin-left: 0.9rem;
  padding: 0.4rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 550;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  border-radius: 100px;
  opacity: 0.72;
  transition: opacity 0.3s var(--ease), background 0.3s var(--ease),
              color 0.3s var(--ease), border-color 0.3s var(--ease);
  flex: none;
}
.langsw:hover {
  opacity: 1;
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}
@media (max-width: 1000px) {
  .langsw { margin-left: auto; margin-right: 0.25rem; }
}

.head-cta { margin-left: 0.4rem; padding: 0.72rem 1.2rem; }
.head--over .head-cta { --bg: #fff; --fg: var(--ink); }
.head--over.head--solid .head-cta { --bg: var(--ink); --fg: #fff; }

.burger {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}
.burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: currentColor;
  transition: transform 0.4s var(--ease), opacity 0.25s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (max-width: 1000px) {
  .nav, .head-cta { display: none; }
  .burger { display: flex; }
}

/* mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 89;
  background: var(--ink);
  color: #fff;
  padding: calc(var(--head-h) + 2rem) var(--gut) 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease);
  pointer-events: none;
}
.drawer.open { clip-path: inset(0 0 0 0); pointer-events: auto; }
.drawer ul { display: flex; flex-direction: column; gap: 0.2rem; }
.drawer a {
  font-family: var(--serif);
  font-size: clamp(2rem, 9vw, 3.2rem);
  line-height: 1.25;
  display: block;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.6s var(--ease), color 0.3s;
}
.drawer.open a { opacity: 1; transform: none; }
.drawer a:hover { color: var(--red); }
.drawer-foot {
  margin-top: 2.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.9rem;
  color: var(--muted-dark);
  opacity: 0;
  transition: opacity 0.5s 0.35s var(--ease);
}
.drawer.open .drawer-foot { opacity: 1; }
.drawer-foot a { font-family: var(--sans); font-size: 0.95rem; color: #fff; }

/* scroll progress */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--red);
  z-index: 95;
  will-change: transform;
}

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  background: var(--ink);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.14);
  animation: heroIn 2.1s var(--ease) forwards;
  will-change: transform;
}
@keyframes heroIn {
  to { opacity: 1; transform: scale(1); }
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(10, 11, 13, 0.88) 0%, rgba(10, 11, 13, 0.25) 45%, rgba(10, 11, 13, 0.45) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-block: clamp(3rem, 9vh, 7rem);
}

.hero h1 { max-width: 16ch; }

.reveal-line { display: block; overflow: hidden; }
.reveal-line > span {
  display: block;
  transform: translateY(105%);
  animation: lineUp 1.15s var(--ease) forwards;
}
@keyframes lineUp { to { transform: translateY(0); } }

.hero-sub {
  margin-top: 1.6rem;
  max-width: 46ch;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: rgba(255, 255, 255, 0.82);
  opacity: 0;
  animation: fadeUp 1s 0.75s var(--ease) forwards;
}
.hero-actions {
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: fadeUp 1s 0.95s var(--ease) forwards;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

.hero-meta {
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  opacity: 0;
  animation: fadeUp 1s 1.15s var(--ease) forwards;
}
.hero-meta div strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  font-weight: 400;
  line-height: 1;
}
.hero-meta div span {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.35;
}
@media (max-width: 780px) {
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 1.4rem 1rem; }
}

.scroll-hint {
  position: absolute;
  right: var(--gut);
  bottom: clamp(3rem, 9vh, 7rem);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  opacity: 0;
  animation: fadeUp 1s 1.4s var(--ease) forwards;
}
.scroll-hint i {
  display: block;
  width: 1px; height: 44px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}
.scroll-hint i::after {
  content: "";
  position: absolute; inset: 0;
  background: #fff;
  animation: hintRun 1.9s var(--ease-io) infinite;
}
@keyframes hintRun {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}
@media (max-width: 900px) { .scroll-hint { display: none; } }

/* page hero (interior pages) */
.phero {
  position: relative;
  padding-top: calc(var(--head-h) + clamp(3rem, 8vw, 6.5rem));
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--paper);
  overflow: hidden;
}
.phero--dark { background: var(--ink); color: #fff; }
.phero--dark .lede { color: rgba(255, 255, 255, 0.72); }
.phero h1 { max-width: 18ch; }
.phero .lede { max-width: 56ch; margin-top: 1.4rem; }

.crumb {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.6rem;
}
.phero--dark .crumb { color: var(--muted-dark); }
.crumb a:hover { color: var(--red); }

/* --------------------------------------------------------------- section */
.sec { padding-block: clamp(4.5rem, 11vw, 9rem); }
.sec--tight { padding-block: clamp(3rem, 7vw, 5.5rem); }
.sec--dark { background: var(--ink); color: #fff; }
.sec--dark .lede, .sec--dark .body-lg { color: rgba(255, 255, 255, 0.74); }
.sec--dark .muted { color: var(--muted-dark); }
.sec--paper2 { background: var(--paper-2); }

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.sec-head .eyebrow { margin-bottom: 1.1rem; }
@media (max-width: 860px) {
  .sec-head { grid-template-columns: 1fr; align-items: start; }
}

/* ---------------------------------------------------------------- marquee */
.marquee {
  --speed: 46s;
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: 1.1rem;
  background: var(--paper);
  user-select: none;
}
.sec--dark .marquee, .marquee--dark {
  background: var(--ink);
  border-color: rgba(255, 255, 255, 0.14);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: slide var(--speed) linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track > div {
  display: flex;
  align-items: center;
  gap: 2.6rem;
  padding-right: 2.6rem;
}
.marquee span {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.9vw, 1.7rem);
  white-space: nowrap;
  color: var(--ink);
}
.marquee--dark span { color: rgba(255, 255, 255, 0.9); }
.marquee b {
  display: block;
  width: 7px; height: 7px;
  background: var(--red);
  transform: rotate(45deg);
  flex: none;
}
@keyframes slide { to { transform: translateX(-50%); } }

/* ------------------------------------------------------------ card grids */
.grid { display: grid; gap: clamp(1.1rem, 2.2vw, 1.9rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1050px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px)  { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px)  {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

/* product card */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  isolation: isolate;
}
.card-media {
  position: relative;
  aspect-ratio: 4 / 3.1;
  overflow: hidden;
  background: var(--paper-2);
}
.card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.6s var(--ease);
  will-change: transform;
}
.card:hover .card-media img { transform: scale(1.065); }
.card-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(16, 17, 20, 0.5), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.card:hover .card-media::after { opacity: 1; }

.card-tag {
  position: absolute;
  top: 0; left: 0;
  z-index: 2;
  background: var(--red);
  color: #fff;
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem;
}

.card-body {
  padding: 1.35rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.card-kicker {
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}
.card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 1.9vw, 1.75rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
}
.card p { font-size: 0.94rem; color: var(--muted); line-height: 1.55; }

.card-go {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink);
}
.card-go .arw { transition: transform 0.45s var(--ease); }
.card:hover .card-go { color: var(--red); }
.card:hover .card-go .arw { transform: translateX(6px); }

.card-link { position: absolute; inset: 0; z-index: 3; }

.sec--dark .card { background: transparent; }
.sec--dark .card h3 { color: #fff; }
.sec--dark .card p { color: var(--muted-dark); }
.sec--dark .card-go { color: #fff; }

/* pill row / filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1.8rem, 3.5vw, 2.8rem);
}
.chip {
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.card.is-hidden {
  display: none;
}

/* ------------------------------------------------------- feature / split */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.8rem, 5vw, 5rem);
  align-items: center;
}
.split--wide-left { grid-template-columns: 1.15fr 1fr; }
@media (max-width: 900px) {
  .split, .split--wide-left { grid-template-columns: 1fr; }
}
.split figure { position: relative; overflow: hidden; }
.split figure img { width: 100%; aspect-ratio: 4 / 3.2; object-fit: cover; }

.mask-reveal { overflow: hidden; }
.mask-reveal img {
  transform: scale(1.18);
  transition: transform 1.6s var(--ease);
}
.mask-reveal.in img { transform: scale(1); }

/* stat list */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.sec--dark .stats { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.14); }
.stats > div {
  background: var(--paper);
  padding: clamp(1.6rem, 3vw, 2.6rem) clamp(1rem, 2vw, 1.8rem);
}
.sec--dark .stats > div { background: var(--ink); }
.stats strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stats span {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}
.sec--dark .stats span { color: var(--muted-dark); }
@media (max-width: 780px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* numbered list (values / capabilities) */
.numlist { display: grid; gap: 0; }
.numlist li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
  padding-block: clamp(1.5rem, 3vw, 2.2rem);
  border-top: 1px solid var(--line);
  align-items: start;
}
.sec--dark .numlist li { border-color: rgba(255, 255, 255, 0.14); }
.numlist li:last-child { border-bottom: 1px solid var(--line); }
.sec--dark .numlist li:last-child { border-color: rgba(255, 255, 255, 0.14); }
.numlist .n {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--red);
  padding-top: 0.35rem;
}
.numlist h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.25rem, 2vw, 1.7rem); margin-bottom: 0.5rem; }
.numlist p { color: var(--muted); font-size: 0.98rem; }
.sec--dark .numlist p { color: var(--muted-dark); }
@media (max-width: 620px) {
  .numlist li { grid-template-columns: 1fr; gap: 0.5rem; }
  .numlist .n { padding-top: 0; }
}

/* ---------------------------------------------- bioclimatic louvre demo  */
.louvre-demo {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
@media (max-width: 900px) { .louvre-demo { grid-template-columns: 1fr; } }

.louvre-stage {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(180deg, #6ea9d8 0%, #a8cbe4 42%, #e6dcc8 100%);
  overflow: hidden;
  border-radius: var(--radius);
}
.louvre-sun {
  position: absolute;
  top: 12%; right: 14%;
  width: 12%; aspect-ratio: 1;
  border-radius: 50%;
  background: #fff5d1;
  box-shadow: 0 0 60px 24px rgba(255, 240, 190, 0.65);
  transition: opacity 0.6s var(--ease);
}
.louvre-frame {
  position: absolute;
  inset: 18% 10% 6% 10%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.6%;
  perspective: 900px;
}
.louvre-frame::before,
.louvre-frame::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 3.2%;
  height: 78%;
  background: linear-gradient(90deg, #3a3f46, #22262b);
  border-radius: 1px;
}
.louvre-frame::before { left: -3.2%; }
.louvre-frame::after { right: -3.2%; }

.blade {
  height: 9%;
  background: linear-gradient(180deg, #464c54 0%, #2d3238 55%, #1e2227 100%);
  border-radius: 2px;
  transform-origin: center;
  transform: rotateX(var(--a, 0deg));
  transition: transform 0.75s var(--ease);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset;
}
.louvre-floor {
  position: absolute;
  left: 10%; right: 10%; bottom: 0;
  height: 22%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0));
  transition: opacity 0.7s var(--ease);
}

.louvre-controls { display: flex; flex-direction: column; gap: 1.6rem; }
.louvre-readout {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1;
}
.louvre-readout small { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

input[type="range"].slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--line);
  outline: none;
  cursor: pointer;
}
.sec--dark input[type="range"].slider { background: rgba(255, 255, 255, 0.2); }
input[type="range"].slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--red);
  border: 4px solid var(--paper);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s var(--ease);
}
.sec--dark input[type="range"].slider::-webkit-slider-thumb { border-color: var(--ink); }
input[type="range"].slider:active::-webkit-slider-thumb { transform: scale(1.18); }
input[type="range"].slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--red); border: 3px solid var(--paper); cursor: pointer;
}

.louvre-states { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ------------------------------------------------------------- accordion */
.acc { border-top: 1px solid var(--line); }
.sec--dark .acc { border-color: rgba(255, 255, 255, 0.14); }
.acc-item { border-bottom: 1px solid var(--line); }
.sec--dark .acc-item { border-color: rgba(255, 255, 255, 0.14); }
.acc-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.35rem 0;
  text-align: left;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.25;
  transition: color 0.3s;
}
.acc-btn:hover { color: var(--red); }
.acc-btn .pm {
  margin-left: auto;
  flex: none;
  width: 18px; height: 18px;
  position: relative;
}
.acc-btn .pm::before, .acc-btn .pm::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.45s var(--ease), opacity 0.3s;
}
.acc-btn .pm::before { inset: 50% 0 auto 0; height: 1px; transform: translateY(-50%); }
.acc-btn .pm::after { inset: 0 50% 0 auto; width: 1px; transform: translateX(50%); }
.acc-btn[aria-expanded="true"] .pm::after { transform: translateX(50%) rotate(90deg); opacity: 0; }
.acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.55s var(--ease);
}
.acc-panel > div { overflow: hidden; }
.acc-item.open .acc-panel { grid-template-rows: 1fr; }
.acc-panel p { padding-bottom: 1.5rem; max-width: 68ch; color: var(--muted); }
.sec--dark .acc-panel p { color: var(--muted-dark); }

/* ------------------------------------------------------------ spec table */
.spec-table { font-size: 0.94rem; }
.spec-table tr { border-top: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: 1px solid var(--line); }
.spec-table th {
  text-align: left;
  font-weight: 500;
  padding: 0.95rem 1.5rem 0.95rem 0;
  width: 34%;
  vertical-align: top;
  color: var(--ink);
}
.spec-table td { padding: 0.95rem 0; color: var(--muted); vertical-align: top; }
@media (max-width: 620px) {
  .spec-table th, .spec-table td { display: block; width: 100%; padding-inline: 0; }
  .spec-table th { padding-bottom: 0.15rem; }
  .spec-table td { padding-top: 0; padding-bottom: 1rem; }
}

/* feature grid */
.feats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
@media (max-width: 760px) { .feats { grid-template-columns: 1fr; } }
.feats > div { background: var(--paper); padding: clamp(1.4rem, 2.6vw, 2.1rem); }
.feats h4 {
  font-size: 0.95rem;
  font-weight: 550;
  letter-spacing: 0.01em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.feats h4::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--red);
  transform: rotate(45deg);
  flex: none;
}
.feats p { font-size: 0.93rem; color: var(--muted); line-height: 1.6; }

/* tag row */
.tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tag {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--muted);
}
.phero--dark .tag { border-color: rgba(255, 255, 255, 0.22); color: rgba(255, 255, 255, 0.8); }

/* ----------------------------------------------------------- glass page  */
.glass-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.glass-facts > div { background: var(--paper); padding: clamp(1.4rem, 3vw, 2.4rem) clamp(1rem, 2vw, 1.8rem); }
.glass-facts strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--red);
}
.glass-facts span { display: block; margin-top: 0.7rem; font-size: 0.86rem; color: var(--muted); line-height: 1.45; }
@media (max-width: 700px) { .glass-facts { grid-template-columns: 1fr; } }

/* glass product card — image kept modest so a 900px source stays crisp */
.gcard { display: flex; flex-direction: column; background: transparent; }
.gcard-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--paper-2);
  border-radius: var(--radius);
}
.gcard-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.gcard:hover .gcard-media img { transform: scale(1.05); }
.gcard-body { padding-top: 1.1rem; }
.gcard h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.gcard ul { display: grid; gap: 0.5rem; }
.gcard li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
}
.gcard li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.6em;
  width: 5px; height: 5px;
  background: var(--red);
  transform: rotate(45deg);
}

/* in-house process chips */
.procs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.8rem; }
.proc {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.85);
}

/* anchor offset so the sticky header never covers a family heading */
#float, #safety, #decorative { scroll-margin-top: 90px; }

/* --------------------------------------------------------------- gallery */
.gal {
  columns: 3;
  column-gap: clamp(0.6rem, 1.4vw, 1.1rem);
}
@media (max-width: 900px) { .gal { columns: 2; } }
@media (max-width: 560px) { .gal { columns: 1; } }
.gal button {
  display: block;
  width: 100%;
  margin-bottom: clamp(0.6rem, 1.4vw, 1.1rem);
  break-inside: avoid;
  overflow: hidden;
  position: relative;
  background: var(--paper-2);
}
.gal img {
  width: 100%;
  transition: transform 1s var(--ease), opacity 0.6s;
}
.gal button:hover img { transform: scale(1.045); }
.gal button::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(16, 17, 20, 0.16);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.gal button:hover::after { opacity: 1; }

/* organised projects grid */
.filters--center { justify-content: center; }
.chip-n {
  font-size: 0.68rem;
  opacity: 0.55;
  margin-left: 0.15rem;
  font-variant-numeric: tabular-nums;
}
/* chips on a dark section */
.sec--dark .chip {
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.72);
}
.sec--dark .chip:hover { border-color: #fff; color: #fff; }
.sec--dark .chip[aria-pressed="true"] {
  background: #fff;
  border-color: #fff;
  color: var(--ink);
}

.pgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.5rem, 1.1vw, 0.9rem);
}
@media (max-width: 860px) { .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .pgrid { grid-template-columns: 1fr; } }

.ptile {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #16171b;
  border-radius: var(--radius);
  isolation: isolate;
}
.ptile.is-hidden { display: none; }
.ptile .bu { position: absolute; inset: 0; }
.ptile img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), opacity 0.6s;
}
.ptile:hover img { transform: scale(1.06); }
.ptile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 11, 13, 0.78) 0%, rgba(10, 11, 13, 0) 46%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.ptile:hover::after { opacity: 1; }
.ptile-tag {
  position: absolute;
  top: 0; left: 0;
  z-index: 2;
  background: var(--red);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding: 0.42rem 0.7rem;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.ptile-name {
  position: absolute;
  left: 0.9rem; bottom: 0.8rem;
  z-index: 2;
  color: #fff;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.1;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}
.ptile:hover .ptile-tag,
.ptile:focus-visible .ptile-tag { opacity: 1; transform: none; }
.ptile:hover .ptile-name,
.ptile:focus-visible .ptile-name { opacity: 1; transform: none; }

/* filmstrip on product page */
.strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 32%);
  gap: clamp(0.6rem, 1.4vw, 1rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1rem;
  scrollbar-width: thin;
}
.strip::-webkit-scrollbar { height: 3px; }
.strip::-webkit-scrollbar-thumb { background: var(--line); }
.strip button {
  scroll-snap-align: start;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: var(--paper-2);
}
.strip img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.strip button:hover img { transform: scale(1.05); }

/* lightbox */
.lb {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(10, 11, 13, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
}
.lb.open { opacity: 1; pointer-events: auto; }
.lb img {
  max-width: 100%;
  max-height: 84vh;
  object-fit: contain;
  transform: scale(0.965);
  transition: transform 0.5s var(--ease);
}
.lb.open img { transform: scale(1); }
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  color: #fff;
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: var(--red); border-color: var(--red); }
.lb-close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lb-prev { left: clamp(0.6rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lb-next { right: clamp(0.6rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lb-count {
  position: absolute;
  bottom: clamp(1rem, 3vw, 2rem);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

/* --------------------------------------------------------------- contact */
.form { display: grid; gap: 1.4rem; }
.field { position: relative; }
.field label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit;
  font-size: 0.98rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0;
  border-radius: 0;
  transition: border-color 0.35s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--red);
}
.field select { appearance: none; cursor: pointer; }
.field.sel::after {
  content: "";
  position: absolute;
  right: 4px; bottom: 1.25rem;
  width: 7px; height: 7px;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  transform: rotate(45deg);
  pointer-events: none;
}
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

.info-list li {
  padding-block: 1.2rem;
  border-top: 1px solid var(--line);
}
.info-list li:last-child { border-bottom: 1px solid var(--line); }
.info-list dt {
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.info-list dd { margin: 0; font-size: 1.02rem; }
.info-list a:hover { color: var(--red); }

/* -------------------------------------------------------------- cta band */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  padding-block: clamp(4rem, 10vw, 7.5rem);
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -30%;
  width: 46%;
  aspect-ratio: 1;
  background: radial-gradient(circle at center, rgba(234, 75, 81, 0.4), transparent 62%);
  filter: blur(20px);
  pointer-events: none;
}
.cta-band h2 { max-width: 17ch; }
.cta-band .lede { max-width: 48ch; margin-top: 1.3rem; }
.cta-actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* ---------------------------------------------------------------- footer */
.foot {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
@media (max-width: 950px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-brand svg { height: 30px; width: auto; color: #fff; margin-bottom: 1.3rem; }
.foot-brand p { max-width: 34ch; font-size: 0.92rem; line-height: 1.65; }
.foot h4 {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1.1rem;
}
.foot li { margin-bottom: 0.6rem; }
.foot a { font-size: 0.92rem; transition: color 0.3s; }
.foot a:hover { color: var(--red); }
.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------------------------------------------------------- reveal system */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease), transform 0.95s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].in { opacity: 1; transform: none; }

[data-reveal="fade"] { transform: none; }
[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.96); }

/* per-word heading reveal */
.words span {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}
.words span > i {
  display: inline-block;
  font-style: inherit;
  transform: translateY(102%);
  transition: transform 0.9s var(--ease);
  transition-delay: calc(var(--i, 0) * 55ms);
}
.words.in span > i { transform: translateY(0); }

/* blur-up images */
.bu {
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.bu > img {
  opacity: 0;
  transition: opacity 0.7s var(--ease);
}
.bu > img.loaded { opacity: 1; }

/* ------------------------------------------------------ reduced motion   */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .words span > i { transform: none !important; }
  .hero-media img { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}

/* --------------------------------------------------------------- print   */
@media print {
  .head, .foot, .cta-band, .progress, .scroll-hint, .drawer { display: none !important; }
  body { color: #000; background: #fff; }
}