/* ==========================================================================
   RUIHENG -?Architectural Aluminium
   Design system and site styles
   ========================================================================== */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin-var-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope-latin-var.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant";
  src: url("../fonts/cormorant-garamond-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  --ink: #171914;
  --ink-2: #22251f;
  --ink-3: #2e322a;
  --forest: #263b2f;
  --forest-2: #314b3b;
  --paper: #f3f0e9;
  --paper-2: #eae6dc;
  --paper-3: #ded8cb;
  --white: #fbfaf7;
  --brass: #a5814f;
  --brass-2: #c3a271;
  --brass-3: #d8c29d;
  --muted: #6c6e65;
  --muted-2: #8a8b82;
  --line: rgba(23, 25, 20, 0.14);
  --line-strong: rgba(23, 25, 20, 0.26);
  --line-light: rgba(243, 240, 233, 0.17);
  --shadow: 0 24px 70px rgba(23, 25, 20, 0.12);
  --font-display: "Archivo", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-serif: "Cormorant", Georgia, serif;
  --container: 1440px;
  --gutter: clamp(22px, 5.2vw, 76px);
  --header-h: 84px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-2: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

::selection { background: var(--brass); color: var(--white); }

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p, h1, h2, h3, h4, h5, figure, blockquote { margin: 0; }
address { font-style: normal; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2.6vw, 40px);
}

.section { padding-block: clamp(80px, 9.5vw, 148px); }
.section--tight { padding-block: clamp(56px, 6vw, 92px); }
.section--paper-2 { background: var(--paper-2); }
.section--dark { background: var(--ink); color: var(--paper); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.section--dark .eyebrow { color: var(--brass-2); }

.eyebrow .num {
  color: var(--brass);
  font-weight: 700;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.04;
  text-wrap: balance;
}

h1 { font-size: clamp(52px, 7.2vw, 118px); }
h2 { font-size: clamp(38px, 4.7vw, 74px); line-height: 1.02; }
h3 { font-size: clamp(24px, 2.3vw, 36px); line-height: 1.12; }
h4 { font-size: clamp(18px, 1.55vw, 23px); line-height: 1.2; letter-spacing: -0.03em; }

.serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.025em;
}
.accent { color: var(--brass); }

.lead {
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.55;
  letter-spacing: -0.015em;
  color: var(--ink-2);
}
.section--dark .lead { color: rgba(243, 240, 233, 0.82); }

.body-copy {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.section--dark .body-copy { color: rgba(243, 240, 233, 0.63); }

.rule {
  width: 100%;
  height: 1px;
  background: var(--line);
}
.section--dark .rule { background: var(--line-light); }

/* ---------- Buttons and links ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
  overflow: hidden;
  transition: color 0.42s var(--ease), border-color 0.42s var(--ease), background 0.42s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--brass);
  transform: translateY(101%);
  transition: transform 0.42s var(--ease);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { border-color: var(--brass); color: var(--white); }
.btn:hover::before { transform: translateY(0); }
.btn svg { width: 15px; height: 15px; flex: none; transition: transform 0.42s var(--ease); }
.btn:hover svg { transform: translate(3px, -3px); }
.btn--light {
  background: transparent;
  border-color: rgba(243, 240, 233, 0.48);
  color: var(--paper);
}
.btn--light:hover { border-color: var(--brass-2); }
.btn--sm { min-height: 44px; padding: 0 18px; font-size: 10px; }
.btn--brass { background: var(--brass); border-color: var(--brass); }
.btn--brass::before { background: var(--ink); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.link-arrow svg { width: 14px; height: 14px; transition: transform 0.35s var(--ease); }
.link-arrow:hover { color: var(--brass); border-color: var(--brass); }
.link-arrow:hover svg { transform: translate(4px, -4px); }
.section--dark .link-arrow { color: var(--paper); border-color: var(--line-light); }
.section--dark .link-arrow:hover { color: var(--brass-2); border-color: var(--brass-2); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 130;
  height: var(--header-h);
  background: rgba(243, 240, 233, 0.82);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px) saturate(120%);
  transition: background 0.35s ease, border-color 0.35s ease, height 0.35s ease;
}
.site-header.is-scrolled {
  height: 72px;
  background: rgba(243, 240, 233, 0.96);
  border-bottom-color: var(--line);
}
.header__inner {
  width: 100%;
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand { display: inline-flex; align-items: center; gap: 13px; flex: none; }
.brand__mark {
  width: 34px;
  height: 34px;
  color: var(--brass);
  flex: none;
}
.brand__mark svg { width: 100%; height: 100%; }
.brand__type {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1;
}
.brand__type small {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.main-nav { display: flex; align-items: center; gap: clamp(20px, 2.2vw, 36px); height: 100%; }
.nav__item { position: relative; height: 100%; display: flex; align-items: center; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink-2);
  transition: color 0.25s ease;
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--brass); }
.nav__link svg { width: 10px; height: 10px; transition: transform 0.3s var(--ease); }
.nav__item:hover .nav__link svg,
.nav__item:focus-within .nav__link svg { transform: rotate(180deg); }

.mega {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  width: min(780px, calc(100vw - 48px));
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translate(-50%, 10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.35s var(--ease), visibility 0.25s;
}
.nav__item:hover .mega,
.nav__item:focus-within .mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.mega__grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 26px; }
.mega__label {
  margin-bottom: 12px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
}
.mega__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(23, 25, 20, 0.08);
  font-size: 12px;
  font-weight: 600;
  transition: color 0.2s ease, padding 0.25s ease;
}
.mega__link span { font-size: 9px; color: var(--muted-2); letter-spacing: 0.08em; }
.mega__link:hover { color: var(--brass); padding-left: 4px; }
.mega__feature {
  position: relative;
  min-height: 210px;
  overflow: hidden;
  background: var(--ink);
}
.mega__feature img { width: 100%; height: 100%; object-fit: cover; opacity: 0.82; transition: transform 0.6s var(--ease); }
.mega__feature:hover img { transform: scale(1.04); }
.mega__feature span {
  position: absolute;
  inset: auto 16px 14px;
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.header__actions { display: flex; align-items: center; gap: 18px; flex: none; }
.header__phone {
  font-size: 11px;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.header__phone:hover { color: var(--brass); border-color: var(--brass); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  position: relative;
  z-index: 160;
}
.menu-toggle span {
  position: absolute;
  left: 10px;
  width: 24px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.35s var(--ease), top 0.35s var(--ease), opacity 0.2s;
}
.menu-toggle span:nth-child(1) { top: 18px; }
.menu-toggle span:nth-child(2) { top: 25px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: var(--paper);
  padding: calc(var(--header-h) + 26px) var(--gutter) 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.35s ease, transform 0.45s var(--ease), visibility 0.35s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu__links { border-top: 1px solid var(--line); }
.mobile-menu__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(26px, 7vw, 40px);
  font-weight: 400;
  letter-spacing: -0.04em;
}
.mobile-menu__links a span { font-family: var(--font-body); font-size: 10px; letter-spacing: 0.12em; color: var(--brass); }
.mobile-menu__foot { display: grid; gap: 8px; font-size: 12px; color: var(--muted); }
.mobile-menu__foot a { color: var(--ink); }
.mobile-menu__foot .btn { justify-self: start; color: var(--white); margin-top: 10px; }
.mobile-menu__foot .btn:hover { color: var(--white); }

/* ---------- Home hero ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 52% 48%;
  min-height: 720px;
  height: min(920px, 100svh);
  padding-top: var(--header-h);
  background: var(--paper);
  overflow: hidden;
}
.hero__content {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(44px, 6vw, 92px) clamp(30px, 4.2vw, 70px) 32px var(--gutter);
  z-index: 2;
}
.hero__content::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(28px, 4vh, 48px);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero__eyebrow .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 24px;
  background: var(--brass);
  color: var(--white);
  font-size: 9px;
}
.hero h1 {
  max-width: 720px;
  font-size: clamp(50px, 6vw, 94px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.9;
}
.hero h1 em {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.09em;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.8;
  color: var(--brass);
}
.hero__lead {
  max-width: 510px;
  margin-top: clamp(24px, 3.4vh, 38px);
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.65;
  color: var(--muted);
}
.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 26px;
  margin-top: clamp(28px, 4vh, 44px);
}
.hero__proof {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 26px;
  margin-top: auto;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  max-width: 560px;
}
.hero__proof div { display: flex; flex-direction: column; gap: 2px; }
.hero__proof strong {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.hero__proof span {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.hero__media {
  position: relative;
  min-height: 0;
  background: var(--ink);
  overflow: hidden;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% center;
  animation: heroScale 1.6s var(--ease-2) both;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 25, 20, 0.14) 0%, rgba(23, 25, 20, 0) 32%, rgba(23, 25, 20, 0.63) 100%);
  pointer-events: none;
}
.hero__caption {
  position: absolute;
  z-index: 1;
  inset: auto clamp(22px, 3vw, 46px) clamp(24px, 4vh, 42px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  color: var(--white);
}
.hero__caption div { display: flex; flex-direction: column; gap: 4px; }
.hero__caption span:first-child {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(251, 250, 247, 0.7);
}
.hero__caption span:last-child {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.02em;
}
.hero__caption .cross {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(251, 250, 247, 0.45);
  display: grid;
  place-items: center;
  flex: none;
}
.hero__caption .cross::before,
.hero__caption .cross::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 1px;
  background: var(--white);
}
.hero__caption .cross::after { transform: rotate(90deg); }
.hero__side-label {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: -33px;
  transform: rotate(-90deg);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted-2);
  white-space: nowrap;
}
@keyframes heroScale {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-block: 1px solid rgba(243, 240, 233, 0.12);
}
.marquee__track {
  display: flex;
  align-items: center;
  width: max-content;
  padding: 17px 0;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group { display: flex; align-items: center; flex: none; }
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  padding-right: 26px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
}
.marquee__item::after {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--brass);
  transform: rotate(45deg);
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section headers ---------- */
.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2.6vw, 40px);
  align-items: end;
  margin-bottom: clamp(38px, 5vw, 70px);
}
.section-head__eyebrow { grid-column: 1 / span 3; align-self: start; padding-top: 8px; }
.section-head__title { grid-column: 4 / span 6; }
.section-head__aside { grid-column: 10 / span 3; align-self: end; }
.section-head__aside p { font-size: 14px; line-height: 1.75; color: var(--muted); }
.section-head__aside .link-arrow { margin-top: 18px; }
.section--dark .section-head__aside p { color: rgba(243, 240, 233, 0.6); }

/* ---------- Intro ---------- */
.intro__grid {
  display: grid;
  grid-template-columns: 3fr 9fr;
  column-gap: clamp(18px, 2.6vw, 40px);
  align-items: start;
}
.intro__label { padding-top: 10px; }
.intro__body { display: grid; grid-template-columns: 7fr 4fr; column-gap: clamp(24px, 4vw, 60px); align-items: end; }
.intro__body h2 { max-width: 900px; }
.intro__copy { padding-bottom: 6px; }
.intro__copy p { margin-bottom: 18px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.intro__copy p:first-child { color: var(--ink-2); font-size: 16px; line-height: 1.7; }
.intro__media {
  position: relative;
  margin-top: clamp(44px, 6vw, 80px);
  height: clamp(340px, 46vw, 620px);
  overflow: hidden;
  background: var(--ink);
}
.intro__media img { width: 100%; height: 100%; object-fit: cover; }
.intro__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(23, 25, 20, 0.24), transparent 45%);
}
.intro__badge {
  position: absolute;
  z-index: 1;
  left: 0;
  bottom: 0;
  padding: 22px 26px;
  background: var(--paper);
  color: var(--ink);
  min-width: 210px;
}
.intro__badge strong { display: block; font-family: var(--font-display); font-size: 35px; font-weight: 500; letter-spacing: -0.05em; line-height: 1; }
.intro__badge span { display: block; margin-top: 7px; font-size: 8px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  padding: clamp(22px, 3vw, 38px) clamp(16px, 2.4vw, 34px);
  border-right: 1px solid var(--line);
}
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: 0; }
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 62px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1;
}
.stat strong span { font-size: 0.45em; letter-spacing: 0; vertical-align: top; margin-left: 3px; color: var(--brass); }
.stat p { margin-top: 10px; font-size: 9px; font-weight: 700; letter-spacing: 0.17em; text-transform: uppercase; color: var(--muted); }

/* ---------- System cards ---------- */
.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 32px);
}
.system-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.system-card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--paper-3);
}
.system-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease-2);
}
.system-card:hover .system-card__media img { transform: scale(1.045); }
.system-card__index {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--paper);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.system-card__tag {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 8px 13px;
  background: var(--ink);
  color: var(--paper);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.system-card__body {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}
.system-card__body h3 { font-size: clamp(23px, 2.1vw, 31px); }
.system-card__body p { margin-top: 8px; max-width: 340px; font-size: 12px; line-height: 1.65; color: var(--muted); }
.system-card__arrow {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, transform 0.35s var(--ease);
}
.system-card__arrow svg { width: 13px; height: 13px; }
.system-card:hover .system-card__arrow { background: var(--brass); border-color: var(--brass); color: var(--white); transform: rotate(45deg); }

/* ---------- Process ---------- */
.process { background: var(--ink); color: var(--paper); }
.process__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(30px, 6vw, 100px);
  align-items: start;
}
.process__media { position: sticky; top: 110px; }
.process__media .frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.process__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.82; }
.process__media .caption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--line-light);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(243, 240, 233, 0.55);
}
.process__intro { max-width: 660px; }
.process__intro h2 { margin: 20px 0 24px; }
.process__intro p { max-width: 560px; color: rgba(243, 240, 233, 0.62); font-size: 14px; line-height: 1.8; }
.steps { margin-top: clamp(36px, 5vw, 60px); border-top: 1px solid var(--line-light); }
.step {
  display: grid;
  grid-template-columns: 54px 1fr 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-light);
  align-items: baseline;
}
.step__num { font-family: var(--font-display); font-size: 11px; color: var(--brass-2); letter-spacing: 0.1em; }
.step h3 { font-size: clamp(20px, 1.9vw, 27px); font-weight: 450; letter-spacing: -0.03em; }
.step p { font-size: 12px; line-height: 1.7; color: rgba(243, 240, 233, 0.55); }

/* ---------- Materials ---------- */
.materials__grid {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: clamp(30px, 6vw, 90px);
  align-items: start;
}
.materials__copy h2 { margin: 18px 0 26px; max-width: 480px; }
.materials__copy p { max-width: 400px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.materials__copy .micro { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 10px; letter-spacing: 0.04em; color: var(--muted-2); }
.finish-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.finish {
  position: relative;
  aspect-ratio: 1 / 1.08;
  padding: 13px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(23, 25, 20, 0.1);
}
.finish::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transition: transform 0.6s var(--ease);
}
.finish:hover::before { transform: scale(1.06); }
.finish--white::before { background: linear-gradient(145deg, #f5f2ea, #d8d2c5 58%, #c4bcac); }
.finish--graphite::before { background: linear-gradient(145deg, #535650, #30332e 52%, #1c1e1a); }
.finish--bronze::before { background: linear-gradient(145deg, #c39a69, #8f6036 48%, #5e3c24); }
.finish--oak::before {
  background:
    repeating-linear-gradient(92deg, rgba(87, 49, 22, 0.26) 0 2px, transparent 2px 15px),
    linear-gradient(145deg, #c6925e, #9b6337 56%, #b98556);
}
.finish--stone::before {
  background:
    radial-gradient(ellipse at 30% 24%, rgba(255, 255, 255, 0.55), transparent 34%),
    radial-gradient(ellipse at 75% 70%, rgba(107, 91, 69, 0.24), transparent 40%),
    linear-gradient(145deg, #e5ded1, #bdb09c 60%, #d6cbb9);
}
.finish--perf::before {
  background:
    radial-gradient(circle, rgba(23, 25, 20, 0.8) 1.5px, transparent 1.8px) 0 0 / 11px 11px,
    linear-gradient(145deg, #e1ddd2, #b9b3a4);
}
.finish::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, transparent 35%, rgba(23, 25, 20, 0.66) 100%);
}
.finish span { font-size: 8px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(251, 250, 247, 0.72); }
.finish strong { font-family: var(--font-display); font-size: 16px; font-weight: 500; letter-spacing: -0.02em; color: var(--white); }
.finish:nth-child(1) strong, .finish:nth-child(5) strong { color: var(--white); }
.finish:nth-child(1) span, .finish:nth-child(5) span { color: rgba(251, 250, 247, 0.85); }

/* ---------- Projects mosaic ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: clamp(190px, 18vw, 275px);
  gap: 14px;
}
.work {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  display: block;
}
.work--a { grid-column: 1 / span 6; grid-row: 1 / span 2; }
.work--b { grid-column: 7 / span 3; grid-row: 1; }
.work--c { grid-column: 10 / span 3; grid-row: 1; }
.work--d { grid-column: 7 / span 3; grid-row: 2; }
.work--e { grid-column: 10 / span 3; grid-row: 2; }
.work img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-2), opacity 0.5s ease;
}
.work::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(23, 25, 20, 0.76) 100%);
  transition: opacity 0.4s ease;
}
.work:hover img { transform: scale(1.045); }
.work__info {
  position: absolute;
  z-index: 1;
  inset: auto 18px 16px;
  color: var(--white);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.work__info h3 { font-size: clamp(17px, 1.55vw, 22px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; }
.work__info p { margin-top: 4px; font-size: 8px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(251, 250, 247, 0.65); }
.work__arrow { width: 28px; height: 28px; border: 1px solid rgba(251, 250, 247, 0.4); display: grid; place-items: center; flex: none; opacity: 0; transform: translateY(6px); transition: opacity 0.3s ease, transform 0.3s var(--ease); }
.work:hover .work__arrow { opacity: 1; transform: none; }
.work__arrow svg { width: 11px; height: 11px; }

/* ---------- Certification band ---------- */
.cert-band { background: var(--forest); color: var(--paper); padding-block: clamp(48px, 6vw, 78px); }
.cert-band__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.cert-band__head h2 { max-width: 760px; font-size: clamp(32px, 3.4vw, 52px); }
.cert-band__head .eyebrow { color: var(--brass-2); }
.cert-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(243, 240, 233, 0.22); }
.cert {
  padding: 24px 22px 0 0;
  border-right: 1px solid rgba(243, 240, 233, 0.16);
}
.cert:last-child { border-right: 0; }
.cert__icon { width: 28px; height: 28px; margin-bottom: 18px; color: var(--brass-2); }
.cert strong { display: block; font-family: var(--font-display); font-size: 18px; font-weight: 500; letter-spacing: -0.02em; }
.cert span { display: block; margin-top: 6px; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(243, 240, 233, 0.55); }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}
.cta__bg { position: absolute; inset: 0; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 56%; }
.cta__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18, 20, 16, 0.92) 0%, rgba(18, 20, 16, 0.72) 45%, rgba(18, 20, 16, 0.38) 100%), linear-gradient(0deg, rgba(18, 20, 16, 0.55) 0%, rgba(18, 20, 16, 0) 62%); }
.cta__inner { position: relative; z-index: 1; width: 100%; padding-block: clamp(64px, 8vw, 110px); }
.cta h2 { max-width: 850px; margin: 18px 0 22px; }
.cta p { max-width: 490px; color: rgba(251, 250, 247, 0.72); font-size: 15px; line-height: 1.75; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--paper); padding-top: clamp(64px, 8vw, 110px); }
.footer__word {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-light);
}
.footer__word strong {
  font-family: var(--font-display);
  font-size: clamp(76px, 13.7vw, 205px);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.76;
}
.footer__word span {
  max-width: 240px;
  padding-bottom: 8px;
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: rgba(243, 240, 233, 0.5);
}
.footer__grid {
  display: grid;
  grid-template-columns: 4fr 2.4fr 2.4fr 3.2fr;
  gap: 30px;
  padding-block: 48px;
}
.footer__brand p { max-width: 310px; margin-top: 18px; font-size: 12px; line-height: 1.8; color: rgba(243, 240, 233, 0.5); }
.footer__col h4 { margin-bottom: 16px; font-family: var(--font-body); font-size: 9px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass-2); }
.footer__col a, .footer__col address {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  line-height: 1.65;
  color: rgba(243, 240, 233, 0.7);
  transition: color 0.2s ease;
}
.footer__col a:hover { color: var(--brass-2); }
.footer__col address { color: rgba(243, 240, 233, 0.48); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  border-top: 1px solid var(--line-light);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: rgba(243, 240, 233, 0.38);
}
.footer__bottom a:hover { color: var(--brass-2); }
.footer__cn { font-family: var(--font-body); letter-spacing: 0.05em; }

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 95;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 17px;
  border-radius: 999px;
  background: var(--forest);
  color: var(--white);
  box-shadow: 0 12px 34px rgba(18, 20, 16, 0.28);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.25s ease, transform 0.3s var(--ease);
}
.whatsapp-float svg { width: 19px; height: 19px; flex: none; }
.whatsapp-float:hover { background: #1f5b3e; transform: translateY(-2px); }

/* ---------- Interior page hero ---------- */
.page-hero {
  padding-top: calc(var(--header-h) + clamp(58px, 7vw, 98px));
  padding-bottom: clamp(54px, 6.5vw, 94px);
  border-bottom: 1px solid var(--line);
}
.page-hero__grid { display: grid; grid-template-columns: 8fr 4fr; gap: clamp(30px, 6vw, 90px); align-items: end; }
.page-hero h1 { margin-top: 20px; max-width: 1000px; font-size: clamp(50px, 6.4vw, 98px); }
.page-hero__aside { padding-bottom: 8px; }
.page-hero__aside p { max-width: 350px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.page-hero__aside .link-arrow { margin-top: 22px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); }
.breadcrumb a:hover { color: var(--brass); }
.breadcrumb span::before { content: "/"; margin-right: 8px; color: var(--line-strong); }

/* ---------- Products page ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.filter:hover { color: var(--ink); border-color: var(--line-strong); }
.filter.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter-count { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 3.4vw, 54px) clamp(16px, 2vw, 28px);
  margin-top: 44px;
}
.product-card { display: flex; flex-direction: column; min-width: 0; }
.product-card[hidden] { display: none; }
.product-card__media { position: relative; aspect-ratio: 4 / 3.2; overflow: hidden; background: var(--paper-3); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-2); }
.product-card:hover .product-card__media img { transform: scale(1.045); }
.product-card__cat {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 9px;
  background: rgba(243, 240, 233, 0.93);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.product-card__body { padding-top: 15px; border-top: 1px solid var(--line); margin-top: 12px; display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.product-card h3 { font-size: clamp(20px, 1.7vw, 25px); }
.product-card p { margin-top: 6px; font-size: 11px; line-height: 1.65; color: var(--muted); }
.product-card__go { flex: none; width: 30px; height: 30px; border: 1px solid var(--line); display: grid; place-items: center; border-radius: 50%; transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease; }
.product-card__go svg { width: 11px; height: 11px; }
.product-card:hover .product-card__go { background: var(--brass); border-color: var(--brass); color: var(--white); }

.custom-strip {
  margin-top: clamp(70px, 8vw, 110px);
  display: grid;
  grid-template-columns: 5fr 7fr;
  min-height: 440px;
  background: var(--ink);
  color: var(--paper);
}
.custom-strip__media { position: relative; overflow: hidden; min-height: 340px; }
.custom-strip__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }
.custom-strip__body { padding: clamp(34px, 5vw, 70px); display: flex; flex-direction: column; justify-content: center; }
.custom-strip__body h2 { margin: 16px 0 20px; font-size: clamp(34px, 4vw, 58px); }
.custom-strip__body p { max-width: 470px; color: rgba(243, 240, 233, 0.62); font-size: 14px; line-height: 1.8; }
.custom-strip__body .link-arrow { margin-top: 28px; align-self: flex-start; }

/* ---------- Category page ---------- */
.category-hero {
  position: relative;
  min-height: clamp(520px, 68svh, 780px);
  display: flex;
  align-items: flex-end;
  background: var(--ink);
  color: var(--white);
  padding-top: var(--header-h);
  overflow: hidden;
}
.category-hero__bg { position: absolute; inset: 0; }
.category-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.category-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18, 20, 16, 0.32) 0%, rgba(18, 20, 16, 0.16) 35%, rgba(18, 20, 16, 0.84) 100%); }
.category-hero__inner { position: relative; z-index: 1; width: 100%; padding-bottom: clamp(38px, 5vw, 64px); }
.category-hero .breadcrumb { color: rgba(251, 250, 247, 0.56); }
.category-hero .breadcrumb span::before { color: rgba(251, 250, 247, 0.32); }
.category-hero h1 { max-width: 980px; margin: 22px 0 20px; font-size: clamp(50px, 7vw, 108px); color: var(--white); }
.category-hero__meta { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 24px; border-top: 1px solid rgba(251, 250, 247, 0.24); }
.category-hero__meta p { max-width: 530px; font-size: 14px; line-height: 1.75; color: rgba(251, 250, 247, 0.72); }
.category-hero__chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.category-hero__chips span { padding: 7px 10px; border: 1px solid rgba(251, 250, 247, 0.28); font-size: 8px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(251, 250, 247, 0.8); }

.category-body { padding-block: clamp(64px, 8vw, 120px); }
.category-layout { display: grid; grid-template-columns: 250px 1fr; gap: clamp(34px, 6vw, 100px); align-items: start; }
.category-side { position: sticky; top: 100px; }
.category-side h4 { font-family: var(--font-body); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass); margin-bottom: 15px; }
.category-side a { display: block; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 11px; color: var(--muted); transition: color 0.2s ease, padding 0.2s ease; }
.category-side a:hover { color: var(--ink); padding-left: 4px; }
.category-side .side-cta { margin-top: 24px; padding: 18px; background: var(--paper-2); }
.category-side .side-cta p { font-size: 11px; line-height: 1.6; color: var(--muted); margin-bottom: 13px; }
.category-side .side-cta .link-arrow { font-size: 9px; }
.category-main h2 { max-width: 840px; margin: 16px 0 24px; font-size: clamp(34px, 4vw, 58px); }
.category-main .lead { max-width: 720px; }
.category-main .body-copy { max-width: 700px; margin-top: 20px; }

.system-list { margin-top: 42px; border-top: 1px solid var(--line); }
.system-row {
  display: grid;
  grid-template-columns: 44px 1.1fr 1.6fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.system-row span { font-family: var(--font-display); font-size: 10px; color: var(--brass); }
.system-row h3 { font-size: 19px; }
.system-row p { font-size: 12px; line-height: 1.65; color: var(--muted); }

.spec-block { margin-top: clamp(54px, 7vw, 86px); }
.spec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.spec-head h3 { font-size: clamp(25px, 2.6vw, 36px); }
.spec-head span { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); }
.spec-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.spec-table tr { border-top: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: 1px solid var(--line); }
.spec-table th, .spec-table td { padding: 14px 10px 14px 0; text-align: left; vertical-align: top; font-size: 12px; line-height: 1.6; }
.spec-table th { width: 34%; font-weight: 600; color: var(--muted); }
.spec-table td { color: var(--ink-2); }
.spec-note { margin-top: 14px; font-size: 10px; line-height: 1.6; color: var(--muted-2); }

.gallery-grid { display: grid; grid-template-columns: 1.25fr 1fr; grid-auto-rows: 220px; gap: 12px; margin-top: 26px; }
.gallery-grid a { position: relative; overflow: hidden; background: var(--paper-3); }
.gallery-grid a:first-child { grid-row: span 2; }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-2); }
.gallery-grid a:hover img { transform: scale(1.04); }
.gallery-grid a::after { content: ""; position: absolute; inset: 0; background: rgba(23, 25, 20, 0.08); opacity: 0; transition: opacity 0.3s ease; }
.gallery-grid a:hover::after { opacity: 1; }

.finish-strip { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; margin-top: 26px; }
.finish-strip .finish { aspect-ratio: 1 / 1.15; }

.category-cta {
  margin-top: clamp(60px, 7vw, 96px);
  padding: clamp(30px, 4vw, 54px);
  background: var(--paper-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.category-cta h3 { max-width: 590px; }
.category-cta p { margin-top: 10px; max-width: 520px; font-size: 12px; color: var(--muted); }

/* ---------- About ---------- */
.about-hero { padding-top: calc(var(--header-h) + clamp(50px, 6vw, 84px)); padding-bottom: 0; }
.about-hero__grid { display: grid; grid-template-columns: 6fr 6fr; gap: clamp(30px, 5vw, 70px); align-items: end; }
.about-hero h1 { margin: 18px 0 24px; font-size: clamp(46px, 5.4vw, 80px); }
.about-hero__copy { max-width: 540px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.about-hero__side { max-width: 300px; margin-left: auto; align-self: end; padding-bottom: 8px; }
.about-hero__side blockquote { font-family: var(--font-serif); font-size: clamp(28px, 2.6vw, 38px); font-style: italic; line-height: 1.15; color: var(--brass); }
.about-hero__meta { margin-top: 24px; padding-top: 15px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; font-size: 8px; font-weight: 700; letter-spacing: 0.14em; line-height: 1.4; text-transform: uppercase; color: var(--muted); }
.about-hero__media { height: clamp(380px, 45vw, 590px); overflow: hidden; margin-top: 42px; }
.about-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.story { display: grid; grid-template-columns: 3fr 9fr; gap: clamp(18px, 2.6vw, 40px); }
.story__body { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(28px, 5vw, 70px); align-items: start; }
.story__body h2 { max-width: 760px; }
.story__text p { margin-bottom: 17px; font-size: 13px; line-height: 1.85; color: var(--muted); }
.story__text p:first-child { color: var(--ink-2); font-size: 15px; }
.story__text .signature { margin-top: 25px; font-family: var(--font-serif); font-size: 29px; font-style: italic; color: var(--brass); }

.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.cap {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 26px 28px 26px 0;
  border-bottom: 1px solid var(--line);
}
.cap:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 34px; }
.cap:nth-child(even) { padding-left: 34px; }
.cap__icon { width: 26px; height: 26px; color: var(--brass); margin-top: 3px; }
.cap h3 { font-size: 20px; margin-bottom: 7px; }
.cap p { font-size: 12px; line-height: 1.7; color: var(--muted); }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.value-card { padding: 28px; border: 1px solid var(--line); min-height: 245px; display: flex; flex-direction: column; justify-content: space-between; }
.value-card .n { font-family: var(--font-display); font-size: 11px; color: var(--brass); }
.value-card h3 { font-size: 25px; margin: 30px 0 12px; }
.value-card p { font-size: 12px; line-height: 1.7; color: var(--muted); }

.quality-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(30px, 6vw, 90px); align-items: start; }
.quality-media { position: relative; overflow: hidden; }
.quality-media img { width: 100%; height: auto; }
.quality-copy h2 { margin: 16px 0 22px; }
.quality-copy p { margin-bottom: 16px; font-size: 13px; line-height: 1.8; color: var(--muted); }
.quality-list { margin-top: 26px; border-top: 1px solid var(--line); }
.quality-list li { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.quality-list li span:first-child { color: var(--muted); }
.quality-list li span:last-child { font-weight: 600; text-align: right; }

/* ---------- Projects page ---------- */
.project-masonry {
  columns: 3;
  column-gap: 14px;
}
.project-tile {
  position: relative;
  display: block;
  break-inside: avoid;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--ink);
}
.project-tile img { width: 100%; height: auto; transition: transform 0.9s var(--ease-2), opacity 0.4s; }
.project-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(23, 25, 20, 0.8) 100%); opacity: 0.86; }
.project-tile:hover img { transform: scale(1.035); }
.project-tile__info { position: absolute; z-index: 1; inset: auto 18px 18px; color: var(--white); }
.project-tile__info h3 { font-size: 22px; }
.project-tile__info p { margin-top: 4px; font-size: 8px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(251, 250, 247, 0.65); }
.project-tile__no { position: absolute; z-index: 1; top: 14px; left: 14px; color: rgba(251, 250, 247, 0.62); font-family: var(--font-display); font-size: 10px; letter-spacing: 0.1em; }
.project-tile[hidden] { display: none; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(36px, 7vw, 110px); align-items: start; }
.contact-intro h2 { margin: 16px 0 22px; }
.contact-intro p { max-width: 430px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.contact-details { margin-top: 36px; border-top: 1px solid var(--line); }
.contact-detail { display: grid; grid-template-columns: 100px 1fr; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.contact-detail span { font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted-2); padding-top: 2px; }
.contact-detail a, .contact-detail address { font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.contact-detail a:hover { color: var(--brass); }
.contact-note { margin-top: 26px; padding: 20px; background: var(--paper-2); }
.contact-note p { font-size: 11px; line-height: 1.7; color: var(--muted); }
.contact-note strong { display: block; font-family: var(--font-display); font-size: 16px; font-weight: 500; color: var(--ink); margin-bottom: 5px; }

.inquiry { border: 1px solid var(--line); padding: clamp(24px, 3.4vw, 44px); background: rgba(251, 250, 247, 0.42); }
.inquiry h2 { font-size: clamp(27px, 2.7vw, 38px); margin-bottom: 6px; }
.inquiry > p { font-size: 12px; color: var(--muted); margin-bottom: 25px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 9px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.field label .req { color: var(--brass); }
.field input, .field select, .field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  border-radius: 0;
  padding: 9px 0;
  font-size: 13px;
  color: var(--ink);
  transition: border-color 0.25s ease;
}
.field textarea { min-height: 95px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--brass); }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 8px) 17px, calc(100% - 3px) 17px; background-size: 5px 5px; background-repeat: no-repeat; }
.field.is-error input, .field.is-error select, .field.is-error textarea { border-color: #9d3e2e; }
.field__error { display: none; font-size: 9px; color: #9d3e2e; }
.field.is-error .field__error { display: block; }
.check { display: flex; align-items: flex-start; gap: 9px; margin-top: 5px; }
.check input { width: 13px; height: 13px; margin-top: 3px; accent-color: var(--brass); flex: none; }
.check label { font-size: 10px; line-height: 1.6; letter-spacing: 0; text-transform: none; color: var(--muted); }
.inquiry .btn { width: 100%; margin-top: 22px; }
.form-status { display: none; margin-top: 15px; padding: 13px; background: var(--paper-2); font-size: 11px; line-height: 1.6; color: var(--ink-2); }
.form-status.is-visible { display: block; }
.form-status a { border-bottom: 1px solid var(--brass); color: var(--brass); }

.map-card { position: relative; margin-top: 26px; min-height: 230px; background: var(--ink); color: var(--paper); overflow: hidden; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; }
.map-card::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(243, 240, 233, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(243, 240, 233, 0.07) 1px, transparent 1px); background-size: 34px 34px; }
.map-card::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--brass-2); top: 48%; left: 53%; box-shadow: 0 0 0 7px rgba(195, 162, 113, 0.14), 0 0 0 16px rgba(195, 162, 113, 0.07); }
.map-card > * { position: relative; z-index: 1; }
.map-card span { font-size: 8px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--brass-2); }
.map-card strong { font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: -0.02em; }
.map-card p { margin-top: 5px; font-size: 10px; line-height: 1.6; color: rgba(243, 240, 233, 0.48); }

.faq { margin-top: clamp(60px, 8vw, 100px); }
.faq-grid { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(30px, 6vw, 90px); }
.faq h2 { font-size: clamp(32px, 3.7vw, 52px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; font-family: var(--font-display); font-size: 19px; font-weight: 500; letter-spacing: -0.02em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-body); font-size: 20px; font-weight: 300; color: var(--brass); transition: transform 0.3s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 30px 20px 0; font-size: 12px; line-height: 1.8; color: var(--muted); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(15, 17, 14, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5vw;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 100%; max-height: 82vh; object-fit: contain; }
.lightbox__caption { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: rgba(251, 250, 247, 0.7); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; text-align: center; }
.lightbox__close { position: absolute; top: 22px; right: 26px; width: 40px; height: 40px; color: var(--white); border: 1px solid rgba(251, 250, 247, 0.3); display: grid; place-items: center; }
.lightbox__close svg { width: 15px; height: 15px; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; color: var(--white); border: 1px solid rgba(251, 250, 247, 0.3); display: grid; place-items: center; }
.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }
.lightbox__nav svg { width: 14px; height: 14px; }
.lightbox__nav:hover, .lightbox__close:hover { background: var(--brass); border-color: var(--brass); }

/* ---------- Legal / prose ---------- */
.prose { max-width: 780px; padding-block: clamp(50px, 7vw, 90px); }
.prose h1 { font-size: clamp(44px, 5vw, 74px); margin-bottom: 26px; }
.prose h2 { font-size: 30px; margin: 40px 0 14px; }
.prose p, .prose li { font-size: 14px; line-height: 1.85; color: var(--muted); margin-bottom: 14px; }
.prose ul { list-style: disc; padding-left: 20px; }

/* ---------- Reveal animation ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--delay, 0ms);
}
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal-img { clip-path: inset(0 0 100% 0); transition: clip-path 1.1s var(--ease-2); }
.js .reveal-img.is-in { clip-path: inset(0); }
.reveal-img img { transform: scale(1.04); transition: transform 1.4s var(--ease-2); }
.js .reveal-img.is-in img { transform: scale(1); }

@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; }
  .reveal, .reveal-img { opacity: 1; transform: none; clip-path: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .header__phone { display: none; }
  .main-nav { gap: 22px; }
  .hero { grid-template-columns: 52% 48%; }
  .hero h1 { font-size: clamp(54px, 7.4vw, 92px); }
  .footer__grid { grid-template-columns: 3fr 2.2fr 2.2fr 3fr; }
}

@media (max-width: 980px) {
  :root { --header-h: 74px; }
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .header__actions .btn { display: none; }
  .hero { grid-template-columns: 1fr; height: auto; min-height: 0; }
  .hero__content { min-height: calc(78svh - var(--header-h)); padding-bottom: 30px; }
  .hero__content::before { display: none; }
  .hero__media { height: 58svh; min-height: 400px; }
  .hero__side-label { display: none; }
  .hero__proof { margin-top: 42px; }
  .section-head__eyebrow { grid-column: 1 / span 3; }
  .section-head__title { grid-column: 4 / span 9; }
  .section-head__aside { grid-column: 4 / span 9; margin-top: 24px; }
  .intro__grid, .story { grid-template-columns: 1fr; gap: 22px; }
  .intro__body, .story__body { grid-template-columns: 1fr; gap: 28px; }
  .system-grid { grid-template-columns: repeat(2, 1fr); }
  .system-card:last-child { grid-column: 1 / -1; }
  .system-card:last-child .system-card__media { aspect-ratio: 16 / 9; }
  .process__grid, .materials__grid, .quality-grid, .contact-grid, .faq-grid, .custom-strip { grid-template-columns: 1fr; }
  .process__media { position: static; max-width: 560px; }
  .process__media .frame { aspect-ratio: 16 / 10; }
  .materials__copy p { max-width: 620px; }
  .custom-strip__media { min-height: 320px; max-height: 440px; }
  .category-layout { grid-template-columns: 1fr; }
  .category-side { position: static; display: none; }
  .project-masonry { columns: 2; }
  .page-hero__grid { grid-template-columns: 1fr; gap: 24px; }
  .page-hero__aside p { max-width: 560px; }
  .about-hero__grid { grid-template-columns: 1fr; }
  .about-hero__side { display: none; }
  .about-hero__media { height: 54vw; min-height: 320px; }
  .footer__grid { grid-template-columns: 1fr 1fr; row-gap: 38px; }
  .footer__word strong { font-size: 16vw; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert:nth-child(2) { border-right: 0; }
  .cert:nth-child(3), .cert:nth-child(4) { border-top: 1px solid rgba(243, 240, 233, 0.16); margin-top: 24px; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-auto-rows: 180px; }
  .about-hero h1 { font-size: clamp(44px, 8vw, 74px); }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }
  body { font-size: 15px; }
  .section { padding-block: 64px; }
  .section--tight { padding-block: 46px; }
  .brand__type { font-size: 17px; }
  .brand__type small { font-size: 6px; letter-spacing: 0.25em; }
  .brand__mark { width: 28px; height: 28px; }
  .header__inner { gap: 12px; }
  .header__actions { margin-left: auto; gap: 0; }
  .menu-toggle { display: block; margin-left: auto; margin-right: 0; }
  .hero__content { padding-top: 42px; padding-right: var(--gutter); min-width: 0; }
  .hero h1 { font-size: clamp(40px, 11.4vw, 58px); line-height: 0.94; overflow-wrap: normal; }
  .hero__lead { max-width: 100%; font-size: 14px; margin-top: 22px; }
  .hero__actions { gap: 14px 20px; }
  .hero__proof { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 32px; }
  .hero__proof strong { font-size: 17px; }
  .hero__proof span { font-size: 6.5px; letter-spacing: 0.07em; overflow-wrap: anywhere; }
  .hero__media { height: 52svh; min-height: 340px; }
  .hero__caption span:last-child { font-size: 14px; }
  .hero__eyebrow { font-size: 7px; letter-spacing: 0.15em; }
  h2 { font-size: clamp(33px, 9.2vw, 46px); }
  .lead { font-size: 16px; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .section-head__eyebrow, .section-head__title, .section-head__aside { grid-column: 1; }
  .section-head__aside { margin-top: 0; }
  .section-head__aside p { font-size: 13px; }
  .intro__body h2 { max-width: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { border-bottom: 1px solid var(--line); }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3) { padding-left: 0; border-bottom: 0; }
  .stat:nth-child(4) { border-right: 0; border-bottom: 0; }
  .system-grid { grid-template-columns: 1fr; gap: 36px; }
  .system-card:last-child { grid-column: auto; }
  .system-card:last-child .system-card__media { aspect-ratio: 4 / 5; }
  .system-card__body h3 { font-size: 25px; }
  .step { grid-template-columns: 35px 1fr; gap: 8px 12px; }
  .step p { grid-column: 2; }
  .finish-grid { grid-template-columns: repeat(2, 1fr); }
  .finish-strip { grid-template-columns: repeat(3, 1fr); }
  .work-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; gap: 8px; }
  .work--a { grid-column: 1 / -1; grid-row: span 2; }
  .work--b, .work--c, .work--d, .work--e { grid-column: span 1; grid-row: span 1; }
  .work--b { grid-column: 1; }
  .work--c { grid-column: 2; }
  .work--d { grid-column: 1; }
  .work--e { grid-column: 2; }
  .work__info h3 { font-size: 15px; }
  .work__info { inset: auto 12px 12px; }
  .work__info p { font-size: 7px; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert { border-right: 0; border-top: 1px solid rgba(243, 240, 233, 0.16); padding: 20px 0 0; margin-top: 0; }
  .cert:first-child { border-top: 0; }
  .cert:nth-child(3), .cert:nth-child(4) { margin-top: 0; }
  .cert-band__head { display: block; }
  .cert-band__head .link-arrow { margin-top: 20px; }
  .cta { min-height: 560px; }
  .cta__bg img { object-position: 62% center; }
  .footer__word { display: block; }
  .footer__word strong { font-size: 19vw; }
  .footer__word span { display: block; max-width: none; margin-top: 18px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; padding-block: 36px; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom { display: block; line-height: 1.9; }
  .footer__bottom span { display: block; margin-bottom: 5px; }
  .page-hero { padding-top: calc(var(--header-h) + 38px); padding-bottom: 46px; }
  .page-hero h1 { font-size: clamp(43px, 13vw, 68px); }
  .filter-bar { align-items: flex-start; }
  .filter { min-height: 32px; padding: 0 10px; font-size: 8px; }
  .filter-count { display: none; }
  .product-grid { grid-template-columns: 1fr; gap: 34px; }
  .product-card__media { aspect-ratio: 4 / 3; }
  .custom-strip { min-height: 0; }
  .custom-strip__body { padding: 30px 22px 38px; }
  .category-hero { min-height: 540px; }
  .category-hero h1 { font-size: clamp(42px, 12vw, 68px); }
  .category-hero__meta { display: block; }
  .category-hero__chips { justify-content: flex-start; margin-top: 18px; }
  .category-hero__meta p { font-size: 12px; }
  .system-row { grid-template-columns: 30px 1fr; gap: 8px 12px; }
  .system-row p { grid-column: 2; }
  .spec-table th, .spec-table td { font-size: 11px; padding: 12px 8px 12px 0; }
  .spec-table th { width: 40%; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; }
  .gallery-grid a:first-child { grid-row: span 2; }
  .category-cta { display: block; }
  .category-cta .btn { margin-top: 22px; }
  .values-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .cap:nth-child(odd), .cap:nth-child(even) { border-right: 0; padding: 20px 0; }
  .project-masonry { columns: 1; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .inquiry { padding: 22px 18px; }
  .contact-detail { grid-template-columns: 80px 1fr; }
  .faq-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer__word strong { letter-spacing: -0.06em; }
  .mobile-menu__links a { font-size: 30px; }
  .lightbox__nav { width: 38px; height: 38px; }
  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 50px; height: 50px; min-height: 0; padding: 0; justify-content: center; }
  .whatsapp-float span { display: none; }
}

@media (max-width: 390px) {
  .work-grid { grid-auto-rows: 155px; }
  .footer__grid { grid-template-columns: 1fr; }
}