/* ============================================================
   AB CONTRACTS & DESIGNS LIMITED — Demonstration Website
   Design system: warm stone / charcoal / bronze
   ============================================================ */

:root {
  --bg: #faf6f3;
  --cream: #f5ece5;
  --sand: #dec9b8;
  --ink: #3c3835;
  --ink-soft: #6b6660;
  --ink-faint: #9a948d;
  --accent: #bc773f;
  --accent-deep: #9a5f2f;
  --dark: #241a12;
  --dark-2: #2f2318;
  --line: rgba(60, 56, 53, 0.14);
  --line-light: rgba(250, 246, 243, 0.16);
  --white: #ffffff;
  --error: #a63a2a;

  --font-display: "Marcellus", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 56px);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-luxe: cubic-bezier(0.65, 0, 0.15, 1);

  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--accent); color: var(--white); }

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 2000;
  background: var(--dark);
  color: var(--bg);
  padding: 12px 20px;
  font-size: 14px;
  transition: top 0.25s var(--ease-out);
}
.skip-link:focus { top: 12px; }

/* ---------- Typography ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.01em;
}
.h-hero {
  font-size: clamp(44px, 7.2vw, 108px);
  line-height: 1.02;
}
.h-xl { font-size: clamp(38px, 5vw, 76px); }
.h-lg { font-size: clamp(30px, 3.6vw, 52px); }
.h-md { font-size: clamp(24px, 2.6vw, 36px); }

.kicker {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}
.kicker--plain::before { display: none; }

.lede {
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 56ch;
}
.body-sm { font-size: 14px; color: var(--ink-soft); }

.serif-em { font-family: var(--font-display); font-style: normal; color: var(--accent); }

/* ---------- Layout utilities ---------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(72px, 9vw, 148px); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 96px); }
.section--cream { background: var(--cream); }
.section--dark { background: var(--dark); color: var(--bg); }
.section--dark .lede, .section--dark .body-sm { color: rgba(250, 246, 243, 0.66); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2.4vw, 36px);
}

.hairline { border: 0; border-top: 1px solid var(--line); }
.section--dark .hairline { border-color: var(--line-light); }

/* Split heading: kicker left, title right — signature editorial rhythm */
.split-head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2.4vw, 36px);
  align-items: end;
  margin-bottom: clamp(40px, 5.5vw, 88px);
}
.split-head__meta { grid-column: 1 / 4; padding-bottom: 10px; }
.split-head__num {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 14px;
}
.split-head__title { grid-column: 4 / -1; }
.split-head__title h2 { max-width: 14ch; }
.split-head__aside {
  grid-column: 8 / -1;
  margin-top: 22px;
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 17px 34px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: background 0.45s var(--ease-out), color 0.45s var(--ease-out),
              border-color 0.45s var(--ease-out), transform 0.45s var(--ease-out);
  will-change: transform;
}
.btn svg { transition: transform 0.45s var(--ease-out); }
.btn:hover svg { transform: translateX(5px); }
.btn:active { transform: scale(0.97); }

.btn--dark { background: var(--dark); color: var(--bg); }
.btn--dark:hover { background: var(--accent); color: var(--white); }

.btn--accent { background: var(--accent); color: var(--white); }
.btn--accent:hover { background: var(--dark); }

.btn--outline { border-color: currentColor; color: inherit; background: transparent; }
.btn--outline:hover { background: var(--dark); border-color: var(--dark); color: var(--bg); }
.section--dark .btn--outline:hover, .hero .btn--outline:hover { background: var(--bg); border-color: var(--bg); color: var(--dark); }

.btn--sm { padding: 13px 26px; font-size: 12px; }

/* Sliding-text link (nav / inline) */
.tlink {
  position: relative;
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}
.tlink span {
  display: block;
  transition: transform 0.4s var(--ease-luxe);
}
.tlink span::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 100%;
  color: var(--accent);
}
.tlink:hover span { transform: translateY(-100%); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  transition: color 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}
.arrow-link svg { transition: transform 0.35s var(--ease-out); }
.arrow-link:hover { color: var(--accent); border-color: var(--accent); }
.arrow-link:hover svg { transform: translateX(6px); }
.section--dark .arrow-link { color: var(--bg); border-color: var(--line-light); }
.section--dark .arrow-link:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out),
              transform 0.5s var(--ease-out);
}
.site-header::after {
  content: "";
  position: absolute;
  left: var(--gutter); right: var(--gutter); bottom: 0;
  height: 1px;
  background: var(--line-light);
  opacity: 0;
  transition: opacity 0.5s;
}
.site-header.is-scrolled {
  background: rgba(250, 246, 243, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header.is-hidden { transform: translateY(-100%); }

.header-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark {
  font-family: var(--font-display);
  font-size: 17px;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  letter-spacing: 0.04em;
  transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out), border-color 0.4s;
}
.brand:hover .brand-mark { background: var(--accent); border-color: var(--accent); color: var(--white); }
.brand-text {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.25;
}
.brand-text em { font-style: normal; color: var(--accent); }
.brand-text small {
  display: block;
  font-family: var(--font-body);
  font-size: 9.5px;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
  margin-top: 2px;
}

/* Header over dark hero → light text until scrolled */
.site-header.on-dark:not(.is-scrolled) { color: var(--bg); }
.site-header.on-dark:not(.is-scrolled) .brand-text small { color: rgba(250,246,243,0.55); }
.site-header.on-dark:not(.is-scrolled) .header-phone { color: rgba(250,246,243,0.85); }

.main-nav { display: flex; gap: clamp(22px, 2.6vw, 42px); }
.main-nav a {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.main-nav a[aria-current="page"] { color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 26px; }
.header-phone { font-size: 14px; font-weight: 500; letter-spacing: 0.04em; white-space: nowrap; }

/* Burger */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 1102;
}
.nav-toggle .bars { width: 26px; height: 12px; position: relative; }
.nav-toggle .bars i {
  position: absolute; left: 0; width: 100%; height: 1.5px;
  background: currentColor;
  transition: transform 0.45s var(--ease-luxe), top 0.45s var(--ease-luxe);
}
.nav-toggle .bars i:first-child { top: 0; }
.nav-toggle .bars i:last-child { top: 10px; }
.nav-toggle[aria-expanded="true"] .bars i:first-child { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars i:last-child { top: 5px; transform: rotate(-45deg); }

/* Full-screen mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: var(--dark);
  color: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--header-h) + 20px) var(--gutter) 48px;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 0.7s var(--ease-luxe), visibility 0s 0.7s;
}
.mobile-menu.is-open {
  clip-path: inset(0 0 0% 0);
  visibility: visible;
  transition: clip-path 0.7s var(--ease-luxe);
}
.mobile-menu nav { display: flex; flex-direction: column; margin-bottom: auto; padding-top: 4vh; }
.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 56px);
  line-height: 1.18;
  padding: 6px 0;
  border-bottom: 1px solid var(--line-light);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out), color 0.3s;
}
.mobile-menu nav a small {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}
.mobile-menu.is-open nav a { opacity: 1; transform: none; }
.mobile-menu.is-open nav a:nth-child(1) { transition-delay: 0.18s; }
.mobile-menu.is-open nav a:nth-child(2) { transition-delay: 0.24s; }
.mobile-menu.is-open nav a:nth-child(3) { transition-delay: 0.30s; }
.mobile-menu.is-open nav a:nth-child(4) { transition-delay: 0.36s; }
.mobile-menu.is-open nav a:nth-child(5) { transition-delay: 0.42s; }
.mobile-menu.is-open nav a:nth-child(6) { transition-delay: 0.48s; }
.mobile-menu nav a:hover { color: var(--accent); }
.mobile-menu__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 36px;
  font-size: 15px;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out) 0.5s;
}
.mobile-menu.is-open .mobile-menu__contact { opacity: 1; }
.mobile-menu__contact a { color: rgba(250,246,243,0.8); border-bottom: 1px solid var(--line-light); padding-bottom: 3px; }
.mobile-menu__contact a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--bg);
  overflow: hidden;
  padding-bottom: clamp(48px, 7vh, 96px);
}
.hero__media { position: absolute; inset: -12% 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(36,26,18,0.42) 0%, rgba(36,26,18,0.12) 42%, rgba(36,26,18,0.68) 100%);
}
.hero__inner { width: 100%; }
.hero__kicker { color: var(--sand); margin-bottom: clamp(20px, 3vh, 36px); }
.hero__kicker::before { background: var(--sand); }
.hero h1 { max-width: 11ch; margin-bottom: clamp(22px, 3.4vh, 40px); }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span {
  display: block;
  transform: translateY(110%);
  animation: heroLine 1.1s var(--ease-luxe) forwards;
}
.hero h1 .line:nth-child(2) > span { animation-delay: 0.12s; }
.hero h1 .line:nth-child(3) > span { animation-delay: 0.24s; }
@keyframes heroLine { to { transform: translateY(0); } }
.hero__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}
.hero__statement { max-width: 44ch; font-size: clamp(15px, 1.4vw, 18px); line-height: 1.7; color: rgba(250,246,243,0.82); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(48px, 7vh, 96px);
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(250,246,243,0.6);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero__scroll::after {
  content: "";
  width: 1px; height: 56px;
  background: linear-gradient(var(--sand), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* Page hero (interior pages) */
.page-hero { padding-top: calc(var(--header-h) + clamp(56px, 9vh, 120px)); }
.page-hero h1 { max-width: 14ch; margin-top: 22px; }
.page-hero .lede { margin-top: 26px; }
.page-hero--dark { background: var(--dark); color: var(--bg); padding-bottom: clamp(64px, 9vw, 120px); }
.page-hero--dark .lede { color: rgba(250,246,243,0.66); }

/* ---------- Editorial statement ---------- */
.statement p.display {
  font-size: clamp(26px, 3.1vw, 44px);
  line-height: 1.28;
  max-width: 24ch;
}
.statement__side { align-self: end; }
.statement__side .arrow-link { margin-top: 28px; }

/* ---------- Services index list ---------- */
.svc-list { border-top: 1px solid var(--line); }
.svc-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: clamp(16px, 3vw, 48px);
  padding: clamp(26px, 3.4vw, 44px) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: padding-left 0.5s var(--ease-luxe);
}
.svc-row::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--cream);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.5s var(--ease-luxe);
  z-index: -1;
}
.svc-row:hover { padding-left: clamp(12px, 1.6vw, 28px); }
.svc-row:hover::before { transform: scaleY(1); }
.svc-row__num { font-size: 13px; letter-spacing: 0.16em; color: var(--ink-faint); }
.svc-row__title { font-family: var(--font-display); font-size: clamp(24px, 3.2vw, 42px); line-height: 1.1; transition: color 0.35s; }
.svc-row:hover .svc-row__title { color: var(--accent); }
.svc-row__tag { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.svc-row__arrow {
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid; place-items: center;
  transition: background 0.4s var(--ease-out), border-color 0.4s, transform 0.4s var(--ease-out);
}
.svc-row:hover .svc-row__arrow { background: var(--accent); border-color: var(--accent); color: var(--white); transform: rotate(-45deg); }

/* ---------- Showcase / imagery ---------- */
.figure { position: relative; overflow: hidden; }
.figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.14);
  transition: transform 1.4s var(--ease-luxe);
}
.figure.is-revealed img { transform: scale(1); }
.figure::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--bg);
  transform-origin: right;
  transition: transform 1.2s var(--ease-luxe);
}
.figure.is-revealed::after { transform: scaleX(0); }
.figure--hover img { transition: transform 1.1s var(--ease-luxe); }
.figure--hover:hover img { transform: scale(1.05); }

.figure-caption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 16px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.figure-caption b { font-weight: 600; color: var(--ink); letter-spacing: 0.1em; text-transform: uppercase; font-size: 11.5px; }

.ratio-43 { aspect-ratio: 4 / 3; }
.ratio-32 { aspect-ratio: 3 / 2; }
.ratio-34 { aspect-ratio: 3 / 4; }
.ratio-169 { aspect-ratio: 16 / 9; }

/* Asymmetric showcase composition (homepage) */
.showcase-grid { align-items: start; }
.showcase-a { grid-column: 1 / 7; }
.showcase-b { grid-column: 8 / 13; margin-top: clamp(60px, 9vw, 160px); }
.showcase-c { grid-column: 3 / 9; margin-top: clamp(-40px, -3vw, -80px); }

/* ---------- Principles / why us ---------- */
.principles { counter-reset: pr; }
.principle {
  grid-column: span 6;
  padding: clamp(30px, 3.4vw, 52px) 0;
  border-top: 1px solid var(--line-light);
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: clamp(18px, 2.4vw, 36px);
}
.section--dark .principle { border-color: var(--line-light); }
.principle__num {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--accent);
  padding-top: 6px;
}
.principle h3 { font-size: clamp(21px, 2vw, 27px); margin-bottom: 14px; }
.principle p { font-size: 15px; color: rgba(250,246,243,0.62); max-width: 44ch; }
.section:not(.section--dark) .principle { border-color: var(--line); }
.section:not(.section--dark) .principle p { color: var(--ink-soft); }

/* ---------- Process ---------- */
.process { border-top: 1px solid var(--line); }
.process-step {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2.4vw, 36px);
  padding: clamp(34px, 4.4vw, 64px) 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.process-step__num {
  grid-column: 1 / 3;
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 72px);
  color: var(--sand);
  line-height: 1;
}
.process-step__body { grid-column: 3 / 9; }
.process-step__body h3 { font-size: clamp(22px, 2.4vw, 32px); margin-bottom: 12px; }
.process-step__body p { color: var(--ink-soft); max-width: 52ch; font-size: 15.5px; }
.process-step__meta { grid-column: 9 / -1; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); text-align: right; }

/* ---------- Sector split (residential / commercial) ---------- */
.sectors { display: grid; grid-template-columns: 1fr 1fr; }
.sector {
  position: relative;
  min-height: clamp(420px, 60vh, 620px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--bg);
  padding: clamp(28px, 4vw, 64px);
}
.sector img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease-luxe), filter 1.4s var(--ease-luxe);
  filter: brightness(0.82);
}
.sector:hover img { transform: scale(1.05); filter: brightness(0.68); }
.sector__content { position: relative; z-index: 1; }
.sector__content h3 { font-size: clamp(28px, 3.4vw, 48px); margin: 12px 0 14px; }
.sector__content p { color: rgba(250,246,243,0.78); max-width: 38ch; font-size: 15px; margin-bottom: 22px; }
.sector .kicker { color: var(--sand); } .sector .kicker::before { background: var(--sand); }
.sector .arrow-link { color: var(--bg); border-color: rgba(250,246,243,0.3); }
.sector .arrow-link:hover { color: var(--sand); border-color: var(--sand); }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band__inner { text-align: left; }
.cta-band h2 { font-size: clamp(38px, 5.6vw, 84px); max-width: 13ch; margin: 20px 0 34px; }
.cta-band__row { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; }
.cta-band__alt { font-size: 15px; color: rgba(250,246,243,0.66); }
.cta-band__alt a { color: var(--bg); border-bottom: 1px solid var(--sand); padding-bottom: 2px; }
.cta-band__alt a:hover { color: var(--sand); }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding: 22px 0;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  gap: 56px;
  padding-right: 56px;
  animation: marquee 30s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 26px);
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 56px;
}
.marquee__track span::after { content: "·"; color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Projects page ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: clamp(36px, 5vw, 64px); }
.filter-chip {
  padding: 11px 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: all 0.35s var(--ease-out);
}
.filter-chip:hover { border-color: var(--ink); color: var(--ink); }
.filter-chip.is-active { background: var(--dark); border-color: var(--dark); color: var(--bg); }

.project-card { display: block; margin-bottom: clamp(48px, 6vw, 88px); }
.project-card .figure { margin-bottom: 18px; }
.project-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.project-card__meta h3 { font-size: clamp(21px, 2.2vw, 28px); }
.project-card__meta span { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); white-space: nowrap; }
.projects-grid .project-card:nth-child(odd) { grid-column: 1 / 7; }
.projects-grid .project-card:nth-child(even) { grid-column: 8 / 13; margin-top: clamp(40px, 7vw, 120px); }
.project-card.is-filtered-out { display: none; }

.demo-note {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid var(--sand);
  background: var(--cream);
  padding: 20px 24px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 780px;
}
.demo-note strong { color: var(--ink); }
.demo-note svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }

/* ---------- Service detail blocks ---------- */
.svc-detail {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2.4vw, 36px);
  padding-block: clamp(48px, 6vw, 88px);
  border-top: 1px solid var(--line);
  align-items: start;
}
.svc-detail__head { grid-column: 1 / 5; position: sticky; top: calc(var(--header-h) + 32px); }
.svc-detail__head .num { font-size: 13px; letter-spacing: 0.18em; color: var(--accent); display: block; margin-bottom: 16px; }
.svc-detail__head h2 { font-size: clamp(28px, 3.2vw, 44px); }
.svc-detail__body { grid-column: 6 / 12; }
.svc-detail__body > p { color: var(--ink-soft); font-size: 16.5px; margin-bottom: 26px; max-width: 58ch; }
.svc-scope { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 32px; margin-bottom: 30px; }
.svc-scope li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  display: flex;
  gap: 12px;
  align-items: baseline;
}
.svc-scope li::before { content: "—"; color: var(--accent); }

/* ---------- Forms ---------- */
.form-shell { max-width: 860px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 28px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field label.consent {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
}
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 13px 2px;
  font-size: 16px;
  border-radius: 0;
  transition: border-color 0.35s var(--ease-out);
  appearance: none;
  -webkit-appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%233c3835' fill='none' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  cursor: pointer;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.field input[aria-invalid="true"], .field select[aria-invalid="true"], .field textarea[aria-invalid="true"] {
  border-bottom-color: var(--error);
}
.field__error {
  font-size: 12.5px;
  color: var(--error);
  display: none;
}
.field.has-error .field__error { display: block; }

.radio-row { display: flex; gap: 14px; flex-wrap: wrap; }
.radio-pill { position: relative; }
.radio-pill input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.radio-pill span {
  display: inline-block;
  padding: 13px 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  transition: all 0.3s var(--ease-out);
}
.radio-pill input:checked + span { background: var(--dark); border-color: var(--dark); color: var(--bg); }
.radio-pill input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }

.file-drop {
  position: relative;
  border: 1px dashed var(--sand);
  background: var(--cream);
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
.file-drop:hover { border-color: var(--accent); background: #f3e7dc; }
.file-drop input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; pointer-events: none; }
.file-drop strong { display: block; font-size: 14.5px; margin-bottom: 6px; }
.file-drop small { color: var(--ink-faint); font-size: 12.5px; }
.file-list { margin-top: 12px; font-size: 13px; color: var(--ink-soft); }
.file-list li { padding: 4px 0; }

.consent { display: flex; gap: 14px; align-items: flex-start; font-size: 14px; color: var(--ink-soft); }
.consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }
.consent a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.form-success {
  display: none;
  border: 1px solid var(--sand);
  background: var(--cream);
  padding: clamp(36px, 5vw, 72px);
  text-align: center;
}
.form-success.is-visible { display: block; }
.form-success .tick {
  width: 72px; height: 72px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: grid; place-items: center;
  margin: 0 auto 28px;
  color: var(--accent);
}
.form-success h2 { font-size: clamp(28px, 3.4vw, 44px); margin-bottom: 18px; }
.form-success p { color: var(--ink-soft); max-width: 52ch; margin: 0 auto 10px; }
.form-success .ref {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 24px;
  border: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.form-disclaimer { font-size: 13px; color: var(--ink-faint); margin-top: 22px; max-width: 60ch; }

/* ---------- Contact ---------- */
.contact-grid { align-items: start; }
.contact-methods { display: flex; flex-direction: column; }
.contact-method {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: clamp(22px, 2.8vw, 34px) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.4s var(--ease-luxe);
}
.contact-method:first-child { border-top: 1px solid var(--line); }
.contact-method:hover { padding-left: 14px; }
.contact-method__label { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.contact-method__value { font-family: var(--font-display); font-size: clamp(19px, 2vw, 26px); }
.contact-method svg { color: var(--accent); flex-shrink: 0; transition: transform 0.4s var(--ease-out); }
.contact-method:hover svg { transform: translateX(6px); }

.address-block { font-style: normal; line-height: 1.8; color: var(--ink-soft); }
.address-block strong { color: var(--ink); font-weight: 600; }

/* ---------- Legal pages ---------- */
.legal-body { max-width: 780px; }
.legal-body h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 52px 0 18px;
}
.legal-body h3 { font-family: var(--font-body); font-size: 16px; font-weight: 600; margin: 30px 0 12px; }
.legal-body p, .legal-body li { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 14px; }
.legal-body ul { padding-left: 22px; list-style: disc; }
.legal-body ul li { margin-bottom: 8px; }
.legal-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-banner {
  border: 1px solid var(--sand);
  background: var(--cream);
  padding: 22px 28px;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-top: 44px;
  line-height: 1.65;
}
.legal-banner strong { color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: var(--bg); overflow: hidden; }
.footer-cta {
  border-bottom: 1px solid var(--line-light);
  padding-block: clamp(56px, 7vw, 104px);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.footer-cta h2 { font-size: clamp(30px, 4vw, 56px); max-width: 16ch; }
.footer-main {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 3vw, 48px);
  padding-block: clamp(48px, 6vw, 88px);
}
.footer-brand { grid-column: 1 / 5; }
.footer-brand p { font-size: 14px; color: rgba(250,246,243,0.55); margin-top: 20px; max-width: 34ch; }
.footer-col { grid-column: span 2; }
.footer-col--wide { grid-column: 7 / 10; }
.footer-col--addr { grid-column: 10 / 13; }
.footer-col h3, .footer-col--wide h3, .footer-col--addr h3 {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 22px;
}
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 14.5px; color: rgba(250,246,243,0.72); transition: color 0.3s; }
.footer-col a:hover { color: var(--sand); }
.footer-contact li { margin-bottom: 14px; font-size: 14.5px; }
.footer-contact a { color: rgba(250,246,243,0.78); border-bottom: 1px solid transparent; }
.footer-contact a:hover { color: var(--sand); border-color: var(--sand); }
.footer-contact .lbl { display: block; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 3px; }
.footer-address { font-style: normal; font-size: 14px; line-height: 1.85; color: rgba(250,246,243,0.6); }
.footer-address strong { color: rgba(250,246,243,0.85); font-weight: 600; }
.footer-demo {
  margin-top: 22px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-faint);
  border: 1px solid var(--line-light);
  padding: 14px 16px;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-size: clamp(44px, 8.6vw, 148px);
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-align: center;
  color: rgba(250,246,243,0.10);
  white-space: nowrap;
  padding: 10px 0 0;
  user-select: none;
}
.footer-bottom {
  border-top: 1px solid var(--line-light);
  padding-block: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px 28px;
  font-size: 12.5px;
  color: var(--ink-faint);
}
.footer-bottom nav { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-bottom a:hover { color: var(--sand); }

/* ---------- Mobile conversion bar ---------- */
.mobile-cta-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 900;
  display: none;
  grid-template-columns: 1fr 1.3fr 1fr;
  background: var(--dark);
  border-top: 1px solid var(--line-light);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.mobile-cta-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 17px 8px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg);
}
.mobile-cta-bar a + a { border-left: 1px solid var(--line-light); }
.mobile-cta-bar a.is-primary { background: var(--accent); color: var(--white); }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  z-index: 1500;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 140%);
  width: min(680px, calc(100% - 32px));
  background: var(--dark);
  color: var(--bg);
  padding: 26px 30px;
  box-shadow: 0 24px 64px rgba(36, 26, 18, 0.35);
  transition: transform 0.7s var(--ease-luxe);
}
.cookie-banner.is-visible { transform: translate(-50%, 0); }
.cookie-banner p { font-size: 13.5px; line-height: 1.65; color: rgba(250,246,243,0.72); margin-bottom: 18px; }
.cookie-banner p a { color: var(--sand); text-decoration: underline; text-underline-offset: 3px; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cookie-banner .btn { padding: 12px 26px; font-size: 11.5px; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .main-nav { display: none; }
  .footer-brand { grid-column: 1 / 7; }
  .footer-col { grid-column: span 3; }
  .footer-col--wide { grid-column: 7 / 13; margin-top: 0; }
  .footer-col--addr { grid-column: 1 / 7; }
}

@media (max-width: 900px) {
  /* stack any inline grid-column placements */
  .grid-12 > [style*="grid-column"] { grid-column: 1 / -1 !important; }
  .split-head__meta { grid-column: 1 / -1; padding-bottom: 0; }
  .split-head__title { grid-column: 1 / -1; }
  .split-head__aside { grid-column: 1 / -1; }
  .principle { grid-column: 1 / -1; }
  .process-step__num { grid-column: 1 / 3; }
  .process-step__body { grid-column: 3 / -1; }
  .process-step__meta { grid-column: 3 / -1; text-align: left; margin-top: 14px; }
  .sectors { grid-template-columns: 1fr; }
  .sector { min-height: 380px; }
  .showcase-a { grid-column: 1 / -1; }
  .showcase-b { grid-column: 1 / -1; margin-top: 40px; }
  .showcase-c { grid-column: 1 / -1; margin-top: 40px; }
  .projects-grid .project-card:nth-child(odd),
  .projects-grid .project-card:nth-child(even) { grid-column: 1 / -1; margin-top: 0; }
  .svc-detail__head { grid-column: 1 / -1; position: static; }
  .svc-detail__body { grid-column: 1 / -1; margin-top: 24px; }
  .hero__scroll { display: none; }
}

@media (max-width: 768px) {
  :root { --header-h: 72px; }
  .header-phone { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-cta-bar { display: grid; }
  body { padding-bottom: 56px; }
  .cookie-banner { bottom: 72px; }
  .form-grid { grid-template-columns: 1fr; }
  .svc-scope { grid-template-columns: 1fr; }
  .svc-row { grid-template-columns: 48px 1fr auto; }
  .svc-row__tag { display: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-col--wide, .footer-col--addr, .footer-col { grid-column: 1 / -1; }
  .footer-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .brand-text small { display: none; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .radio-row { flex-direction: column; align-items: stretch; }
  .radio-pill span { display: block; text-align: center; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .figure img { transform: none; }
  .figure::after { display: none; }
  .hero h1 .line > span { transform: none; animation: none; }
}