/* ============================================================
   NADIV DISPLAYS — cinematic dark showroom
   ============================================================ */

:root {
  --bg:        oklch(14% 0.012 25);
  --bg-deep:   oklch(11% 0.01 25);
  --bg-raise:  oklch(17.5% 0.016 25);
  --line:      oklch(30% 0.03 25 / 0.55);
  --text:      oklch(94% 0.008 40);
  --muted:     oklch(72% 0.018 30);
  --faint:     oklch(58% 0.02 28);
  --red:       oklch(57% 0.235 27);
  --red-hot:   oklch(66% 0.25 26);
  --red-deep:  oklch(38% 0.15 26);
  --red-glow:  oklch(57% 0.235 27 / 0.35);

  --font-display: "Syncopate", sans-serif;
  --font-body: "Instrument Sans", sans-serif;

  --step--1: clamp(0.8rem, 0.76rem + 0.2vw, 0.9rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3:  clamp(1.9rem, 1.5rem + 2vw, 3.1rem);
  --step-4:  clamp(2.4rem, 1.6rem + 4.4vw, 5.4rem);

  --space-s:  clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
  --space-m:  clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --space-l:  clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
  --space-xl: clamp(5rem, 3.5rem + 7vw, 10rem);

  --wrap: 1180px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.12;
  letter-spacing: 0.02em;
}

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }

.kicker {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--red-hot);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}
.kicker::before {
  content: "";
  width: 2.4rem; height: 2px;
  background: repeating-linear-gradient(90deg, var(--red) 0 4px, transparent 4px 8px);
  flex: none;
}

.lede { color: var(--muted); max-width: 58ch; }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--bg-deep) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-bar {
  display: flex; align-items: center; gap: 2rem;
  padding-block: 0.85rem;
}

.brand { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; flex: none; }
.brand svg { width: 42px; height: 42px; }
.brand-word { display: flex; flex-direction: column; line-height: 1; gap: 0.28rem; }
.brand-word b {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.02rem; letter-spacing: 0.3em; color: var(--text);
}
.brand-word span {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.62rem; letter-spacing: 0.44em; color: var(--red-hot);
  text-shadow: 0 0 10px var(--red-glow);
}

.site-nav { margin-left: auto; display: flex; align-items: center; gap: 1.7rem; }
.site-nav > ul { display: flex; align-items: center; gap: 1.7rem; list-style: none; }
.site-nav a { text-decoration: none; font-size: 0.92rem; font-weight: 500; color: var(--muted); transition: color 0.2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
.site-nav a[aria-current="page"] { text-shadow: 0 0 18px var(--red-glow); }

.nav-drop { position: relative; }
.nav-drop > a { display: inline-flex; align-items: center; gap: 0.4rem; }
.nav-drop > a::after {
  content: ""; width: 6px; height: 6px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}
.drop-menu {
  position: absolute; top: calc(100% + 0.9rem); left: -1rem;
  min-width: 240px; padding: 0.5rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  list-style: none;
  opacity: 0; visibility: hidden; translate: 0 8px;
  transition: opacity 0.22s var(--ease-out), translate 0.22s var(--ease-out), visibility 0.22s;
}
.nav-drop:hover .drop-menu, .nav-drop:focus-within .drop-menu { opacity: 1; visibility: visible; translate: 0 0; }
.drop-menu a {
  display: block; padding: 0.6rem 0.9rem; font-size: 0.9rem;
}
.drop-menu a:hover { background: color-mix(in oklab, var(--red) 12%, transparent); color: var(--text); }

.header-phone { text-decoration: none; font-weight: 600; font-size: 0.92rem; color: var(--text); white-space: nowrap; }
.header-phone small { display: block; font-size: 0.66rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.85rem 1.7rem;
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase; text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.25s, border-color 0.2s, color 0.2s;
}
.btn-red {
  background: var(--red); color: oklch(97% 0.01 30);
  box-shadow: 0 0 0 0 var(--red-glow);
}
.btn-red:hover { background: var(--red-hot); box-shadow: 0 4px 34px var(--red-glow); }
.btn-ghost { border-color: oklch(60% 0.03 28 / 0.5); color: var(--text); }
.btn-ghost:hover { border-color: var(--red-hot); color: var(--red-hot); }

.nav-toggle { display: none; }

/* ---------- hero ---------- */

.hero {
  position: relative; overflow: hidden;
  min-height: min(88vh, 860px);
  display: flex; align-items: flex-end;
}
.hero-media { position: absolute; inset: 0; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to top, var(--bg) 4%, oklch(14% 0.012 25 / 0.55) 40%, oklch(14% 0.012 25 / 0.25) 70%),
    linear-gradient(100deg, oklch(11% 0.01 25 / 0.92) 12%, oklch(11% 0.01 25 / 0.45) 45%, transparent 68%);
}

/* over video/photo, the red kicker needs contrast — lift it to off-white */
.hero .kicker, .page-hero .kicker {
  color: var(--text);
  text-shadow: 0 1px 14px oklch(10% 0.01 25 / 0.8);
}
.hero-inner { position: relative; width: 100%; padding-block: var(--space-l) var(--space-l); }
.hero h1 {
  font-size: var(--step-4);
  max-width: 13ch;
  margin-bottom: 1.6rem;
}
.hero h1 em { font-style: normal; color: var(--red-hot); text-shadow: 0 0 42px var(--red-glow); }
.hero .lede { margin-bottom: 2.2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* LED ticker */
.ticker {
  border-block: 1px solid var(--line);
  background: var(--bg-deep);
  overflow: hidden;
  padding-block: 0.85rem;
  position: relative;
}
.ticker-track {
  display: flex; gap: 3.4rem; width: max-content;
  animation: ticker 36s linear infinite;
  font-family: var(--font-display);
  font-size: 0.72rem; letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--red-hot);
  text-shadow: 0 0 14px var(--red-glow);
  white-space: nowrap;
}
.ticker-track span { display: inline-flex; align-items: center; gap: 3.4rem; }
.ticker-track span::after { content: "✦"; font-size: 0.6rem; color: var(--red-deep); text-shadow: none; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* sector strip — quiet, institutional */
.sectors { border-block: 1px solid var(--line); background: var(--bg-deep); padding-block: 1.6rem; }
.sectors .wrap { display: flex; flex-wrap: wrap; gap: 1rem 0; justify-content: space-between; align-items: center; }
.sectors span {
  font-family: var(--font-display); font-size: 0.68rem; font-weight: 400;
  letter-spacing: 0.34em; text-transform: uppercase; color: var(--faint);
}
.sectors i { width: 5px; height: 5px; background: var(--red); border-radius: 50%; opacity: 0.7; }
@media (max-width: 860px) { .sectors i { display: none; } .sectors .wrap { justify-content: center; gap: 0.9rem 1.6rem; } }

/* stats band */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(2rem, 5vw, 4rem); }
.stat { border-top: 2px solid var(--red); padding-top: 1.6rem; }
.stat b {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.8rem);
  display: block; line-height: 1; margin-bottom: 0.7rem; letter-spacing: 0.02em;
}
.stat b small { font-size: 0.45em; color: var(--red-hot); letter-spacing: 0.1em; }
.stat p { color: var(--muted); font-size: 0.95rem; max-width: 26ch; }
@media (max-width: 860px) { .stats { grid-template-columns: 1fr; } }

/* featured case study */
.case { position: relative; min-height: 78vh; display: flex; align-items: flex-end; overflow: hidden; border-block: 1px solid var(--line); }
.case > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, oklch(11% 0.01 25 / 0.94) 6%, oklch(11% 0.01 25 / 0.35) 45%, transparent 75%); }
.case .wrap { position: relative; z-index: 2; width: 100%; padding-block: 3.5rem; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; }
.case h2 { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.8rem); max-width: 18ch; }
.case .meta { font-family: var(--font-display); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.32em; text-transform: uppercase; color: var(--red-hot); margin-bottom: 1rem; }
.case p { color: var(--muted); max-width: 44ch; margin-top: 1rem; }

/* LED posters spotlight */
.posters .wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.posters img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.posters h2 { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.7rem); margin-bottom: 1.2rem; }
.posters .lede { margin-bottom: 1.4rem; }
.posters .checks { margin-bottom: 2rem; }
@media (max-width: 860px) { .posters .wrap { grid-template-columns: 1fr; } }

/* ---------- sections ---------- */

.section { padding-block: var(--space-xl); }
.section-tight { padding-block: var(--space-l); }
.section-head { margin-bottom: var(--space-m); }
.section-head h2 { font-size: var(--step-3); max-width: 20ch; }
.section-head.split { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; }

.statement {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: start;
}
.statement h2 { font-size: var(--step-3); }
.statement h2 em { font-style: normal; color: var(--red-hot); }
.statement-side { border-left: 1px solid var(--line); padding-left: clamp(1.2rem, 3vw, 2.4rem); display: grid; gap: 1.5rem; align-content: start; }
.statement-side p { color: var(--muted); font-size: var(--step--1); }
.statement-side strong { color: var(--text); font-weight: 600; }

/* offerings mosaic */
.mosaic {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(12, 1fr);
}
.tile {
  position: relative; overflow: hidden; display: block; text-decoration: none;
  min-height: 300px;
  grid-column: span 6;
}
.tile-tall { min-height: 420px; }
.tile:nth-child(3), .tile:nth-child(4) { grid-column: span 6; }
@media (min-width: 900px) {
  .tile:nth-child(1) { grid-column: span 7; }
  .tile:nth-child(2) { grid-column: span 5; }
  .tile:nth-child(3) { grid-column: span 5; }
  .tile:nth-child(4) { grid-column: span 7; }
}
.tile img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s var(--ease-out), filter 0.5s;
  filter: saturate(0.94);
}
.tile:hover img { transform: scale(1.045); filter: saturate(1.1); }
.tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, oklch(10% 0.015 25 / 0.92) 0%, oklch(10% 0.015 25 / 0.25) 45%, transparent 70%);
}
.tile-label {
  position: absolute; inset-inline: 1.6rem; bottom: 1.4rem; z-index: 2;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem;
}
.tile-label h3 { font-size: clamp(1rem, 0.9rem + 0.7vw, 1.35rem); }
.tile-label p { font-size: 0.85rem; color: var(--muted); margin-top: 0.4rem; max-width: 34ch; }
.tile-arrow {
  flex: none; width: 44px; height: 44px; border: 1px solid oklch(70% 0.02 28 / 0.4);
  display: grid; place-items: center; color: var(--text);
  transition: background 0.25s, border-color 0.25s, transform 0.4s var(--ease-out);
}
.tile:hover .tile-arrow { background: var(--red); border-color: var(--red); transform: translate(3px, -3px); }

/* featured strip */
.strip {
  display: grid; grid-auto-flow: column; grid-auto-columns: clamp(260px, 32vw, 420px);
  gap: 1rem; overflow-x: auto; padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--red-deep) transparent;
}
.strip figure { scroll-snap-align: start; }
.strip img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.strip figcaption { padding-top: 0.7rem; font-size: 0.85rem; color: var(--faint); display: flex; gap: 0.6rem; align-items: baseline; }
.strip figcaption::before { content: "▪"; color: var(--red); font-size: 0.6rem; }

/* process */
.steps { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); counter-reset: step; }
.steps li {
  display: grid; grid-template-columns: minmax(70px, 140px) minmax(0, 260px) 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.4rem, 3vw, 2.2rem);
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.steps .step-no {
  font-family: var(--font-display); font-size: var(--step-2); font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px oklch(52% 0.14 26);
}
.steps h3 { font-size: 0.95rem; letter-spacing: 0.14em; }
.steps p { color: var(--muted); font-size: var(--step--1); max-width: 52ch; }

/* why band */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); }
.why article { border-top: 2px solid var(--red-deep); padding-top: 1.3rem; }
.why article:hover { border-top-color: var(--red); }
.why h3 { font-size: 0.9rem; letter-spacing: 0.16em; margin-bottom: 0.8rem; }
.why p { font-size: var(--step--1); color: var(--muted); }

/* CTA band */
.cta-band {
  position: relative; overflow: hidden;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(60% 120% at 50% 120%, oklch(38% 0.15 26 / 0.5), transparent 70%),
    var(--bg-deep);
  text-align: center;
  padding-block: var(--space-xl);
}
.cta-band h2 { font-size: var(--step-3); margin-bottom: 1.2rem; }
.cta-band p { color: var(--muted); margin-bottom: 2.2rem; }
.cta-band .btn-row { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.cta-phone { font-size: var(--step-1); font-weight: 600; text-decoration: none; }
.cta-phone:hover { color: var(--red-hot); }

/* ---------- page hero (interior pages) ---------- */

.page-hero { position: relative; overflow: hidden; min-height: 46vh; display: flex; align-items: flex-end; }
.page-hero .hero-inner { padding-block: var(--space-l) var(--space-m); }
.page-hero h1 { font-size: var(--step-3); max-width: 18ch; }

/* checklist */
.checks { list-style: none; display: grid; gap: 0.9rem; }
.checks li { display: flex; gap: 0.9rem; align-items: baseline; color: var(--muted); }
.checks li::before {
  content: ""; flex: none; width: 9px; height: 9px; background: var(--red);
  box-shadow: 0 0 10px var(--red-glow);
  translate: 0 -1px;
}
.checks strong { color: var(--text); }

.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.two-col.rev > :first-child { order: 2; }
.two-col img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* gallery grids */
.grid-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-gallery a { position: relative; display: block; overflow: hidden; }
.grid-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.7s var(--ease-out); }
.grid-gallery a:hover img { transform: scale(1.05); }
.grid-gallery figcaption,
.grid-gallery .cap {
  position: absolute; inset-inline: 0; bottom: 0; padding: 1.6rem 1rem 0.8rem;
  font-size: 0.8rem; color: var(--text);
  background: linear-gradient(to top, oklch(10% 0.015 25 / 0.85), transparent);
  opacity: 0; translate: 0 6px; transition: opacity 0.3s, translate 0.3s var(--ease-out);
}
.grid-gallery a:hover .cap { opacity: 1; translate: 0 0; }

/* projects filter */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-m); }
.filters button {
  font-family: var(--font-display); font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase;
  background: none; border: 1px solid var(--line); color: var(--muted);
  padding: 0.65rem 1.15rem; cursor: pointer; transition: all 0.2s;
}
.filters button:hover { color: var(--text); border-color: var(--faint); }
.filters button.on { background: var(--red); border-color: var(--red); color: oklch(97% 0.01 30); }
.proj-item.hide { display: none; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: oklch(8% 0.01 25 / 0.94);
  display: none; align-items: center; justify-content: center; flex-direction: column; gap: 1rem;
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox.open { display: flex; }
.lightbox img { max-height: 78vh; max-width: 100%; object-fit: contain; box-shadow: 0 20px 80px oklch(0% 0 0 / 0.6); }
.lightbox p { color: var(--muted); font-size: 0.9rem; }
.lb-btn {
  position: absolute; background: none; border: 1px solid var(--line); color: var(--text);
  width: 46px; height: 46px; cursor: pointer; display: grid; place-items: center; font-size: 1.1rem;
  transition: background 0.2s, border-color 0.2s;
}
.lb-btn:hover { background: var(--red); border-color: var(--red); }
.lb-close { top: 1.2rem; right: 1.2rem; }
.lb-prev { left: 1.2rem; top: 50%; translate: 0 -50%; }
.lb-next { right: 1.2rem; top: 50%; translate: 0 -50%; }

/* ---------- forms ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-grid .full { grid-column: 1 / -1; }
.field label {
  display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--faint); margin-bottom: 0.45rem;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 0.85rem 1rem;
  background: var(--bg-raise); border: 1px solid var(--line); color: var(--text);
  font: inherit; font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px oklch(57% 0.235 27 / 0.18);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 49%, var(--muted) 50%), linear-gradient(-45deg, transparent 49%, var(--muted) 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px; background-repeat: no-repeat; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.contact-aside { display: grid; gap: 1.8rem; align-content: start; border-left: 1px solid var(--line); padding-left: clamp(1.2rem, 3vw, 2.4rem); }
.contact-aside h3 { font-size: 0.82rem; letter-spacing: 0.2em; margin-bottom: 0.5rem; }
.contact-aside a { color: var(--muted); text-decoration: none; }
.contact-aside a:hover { color: var(--red-hot); }
.contact-aside .big { font-size: var(--step-1); font-weight: 600; color: var(--text); }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); background: var(--bg-deep); padding-block: var(--space-l) var(--space-m); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: clamp(1.5rem, 4vw, 3rem); margin-bottom: var(--space-m); }
.site-footer h4 { font-family: var(--font-display); font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.site-footer ul { list-style: none; display: grid; gap: 0.55rem; }
.site-footer a { text-decoration: none; color: var(--muted); font-size: 0.92rem; }
.site-footer a:hover { color: var(--red-hot); }
.footer-brand p { color: var(--faint); font-size: 0.88rem; max-width: 34ch; margin-top: 1rem; }
.footer-base {
  border-top: 1px solid var(--line); padding-top: 1.4rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  color: var(--faint); font-size: 0.8rem;
}

/* ---------- reveal animation ---------- */

.rv { opacity: 0; translate: 0 26px; transition: opacity 0.9s var(--ease-out), translate 0.9s var(--ease-out); }
.rv.in { opacity: 1; translate: 0 0; }
.rv-d1 { transition-delay: 0.08s; } .rv-d2 { transition-delay: 0.16s; } .rv-d3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; translate: none; } }

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why { grid-template-columns: 1fr; }
  .statement { grid-template-columns: 1fr; }
  .statement-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; }
  .two-col, .two-col.rev { grid-template-columns: 1fr; }
  .two-col.rev > :first-child { order: 0; }
  .grid-gallery { grid-template-columns: 1fr 1fr; }
  .contact-aside { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.8rem; }
  .header-phone { display: none; }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: grid; place-items: center; align-content: center;
    width: 46px; height: 46px; margin-left: auto;
    background: none; border: 1px solid var(--line); cursor: pointer;
  }
  .nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); transition: 0.3s var(--ease-out); }
  .nav-toggle span + span { margin-top: 4px; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* backdrop-filter creates a containing block for fixed children,
     so it must come off while the fullscreen menu is open */
  body.nav-open .site-header { backdrop-filter: none; background: var(--bg-deep); }

  .site-nav {
    position: fixed; inset: 0; top: 71px; z-index: 55;
    background: var(--bg-deep);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 1.5rem; margin: 0;
    display: none; overflow-y: auto;
  }
  body.nav-open .site-nav { display: flex; }
  .site-nav > ul { flex-direction: column; align-items: flex-start; gap: 0; width: 100%; }
  .site-nav > ul > li { width: 100%; border-bottom: 1px solid var(--line); }
  .site-nav > ul > li > a { display: block; padding: 1rem 0; font-size: 1.05rem; }
  .drop-menu { position: static; opacity: 1; visibility: visible; translate: none; border: 0; background: none; min-width: 0; padding: 0 0 0.8rem 1rem; }
  .drop-menu a { padding: 0.5rem 0; color: var(--faint); }
  .site-nav .btn { margin-top: 1.5rem; width: 100%; }
  .site-nav .header-phone { display: block; margin-top: 1.4rem; font-size: 1.2rem; }
  .nav-drop > a::after { display: none; }

  .steps li { grid-template-columns: 64px 1fr; }
  .steps p { grid-column: 2; }
  .form-grid { grid-template-columns: 1fr; }
  .mosaic .tile { grid-column: 1 / -1 !important; min-height: 260px; }
}

@media (max-width: 560px) {
  .grid-gallery { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 76vh; }
}