/* ==========================================================================
   Decima Interiors
   Palette taken from the studio's own materials: navy gloss shutters,
   walnut fluting, marble-finish laminate and 3000K profile light.
   ========================================================================== */

:root {
  /* Surfaces */
  --ink:        #0B1017;
  --ink-2:      #121A24;
  --ink-3:      #1A242F;
  --hair:       #24303D;

  /* Light surfaces */
  --plaster:    #ECE6DA;
  --plaster-2:  #E2DACB;
  --plaster-3:  #D3C9B6;

  /* Ink on light */
  --graphite:   #1A2029;
  --graphite-2: #56606D;

  /* Text on dark */
  --paper:      #ECE6DA;
  --paper-dim:  #97A1AD;

  /* Materials */
  --walnut:     #7A4E33;
  --walnut-lt:  #B0743F;
  --glow:       #FFC272;
  --glow-soft:  rgba(255, 194, 114, .16);
  --olive:      #6E7C52;

  /* Type */
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body:    "Instrument Sans", system-ui, -apple-system, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Rhythm */
  --gut:   clamp(1.25rem, 4vw, 2.5rem);
  --bay:   clamp(4.5rem, 11vw, 9rem);
  --maxw:  78rem;

  --ease:  cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------- reset -- */

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

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: clamp(1rem, .95rem + .25vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--glow);
  color: var(--ink);
  padding: .75rem 1.25rem;
  font-weight: 600;
}
.skip:focus { left: 0; }

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

/* ---------------------------------------------------------- primitives -- */

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

.bay { padding-block: var(--bay); }

/* Eyebrow: the mono face is here because this studio's work is measured
   in millimetres and running feet. It labels, it does not decorate. */
.eyebrow {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--glow);
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.75rem;
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: currentColor;
  flex: none;
  box-shadow: 0 0 8px var(--glow-soft);
}

.h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.75rem, 1.4rem + 6.4vw, 7rem);
  line-height: .92;
  letter-spacing: -.035em;
}

.h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2rem, 1.2rem + 3.2vw, 3.75rem);
  line-height: 1.02;
  letter-spacing: -.03em;
}

.h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.1875rem, 1.05rem + .6vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -.015em;
}

.lede {
  font-size: clamp(1.0625rem, 1rem + .45vw, 1.3125rem);
  line-height: 1.55;
  color: var(--paper-dim);
  max-width: 46ch;
}

.measure { max-width: 58ch; }

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

.hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr[data-stuck="true"] {
  background: rgba(11, 16, 23, .82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--hair);
}

.hdr__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
}

/* Wordmark. Swap the .mark span for an <img> when the logo file lands. */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  flex: none;
}
.mark {
  width: 1.5rem; height: 1.5rem;
  border: 1px solid var(--hair);
  border-radius: 3px;
  position: relative;
  flex: none;
  background: var(--ink-2);
}
.mark::after {
  content: "";
  position: absolute;
  inset: .3125rem;
  border: 1px solid var(--glow);
  border-radius: 1px;
  box-shadow: 0 0 7px var(--glow-soft), inset 0 0 5px var(--glow-soft);
}
.brand__txt {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -.01em;
  line-height: 1;
}
.brand__txt span {
  display: block;
  font-family: var(--mono);
  font-size: .5625rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--paper-dim);
  margin-top: .25rem;
}

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__list { display: flex; gap: 2rem; }

.nav__link {
  font-size: .875rem;
  color: var(--paper-dim);
  position: relative;
  padding-block: .35rem;
  transition: color .25s var(--ease);
}
/* The signature light line, doing duty as the nav underline. */
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--glow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
  box-shadow: 0 0 6px var(--glow);
}
.nav__link:hover,
.nav__link[aria-current="true"] { color: var(--paper); }
.nav__link:hover::after,
.nav__link[aria-current="true"]::after { transform: scaleX(1); }

.burger {
  display: none;
  width: 2.75rem; height: 2.75rem;
  background: none;
  border: 1px solid var(--hair);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.burger span {
  display: block;
  width: 1.0625rem; height: 1px;
  background: var(--paper);
  margin: 3px auto;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

/* -------------------------------------------------------------- button -- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  padding: .9375rem 1.5rem;
  border-radius: 3px;
  border: 1px solid transparent;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  text-align: center;
  transition: background .28s var(--ease), border-color .28s var(--ease),
              color .28s var(--ease), transform .28s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--glow {
  background: var(--glow);
  color: #23180A;
  box-shadow: 0 0 0 0 var(--glow-soft);
}
.btn--glow:hover {
  background: #FFD49A;
  box-shadow: 0 6px 26px var(--glow-soft);
}

.btn--ghost {
  border-color: var(--hair);
  color: var(--paper);
}
.btn--ghost:hover { border-color: var(--glow); color: var(--glow); }

.btn--ink {
  background: var(--graphite);
  color: var(--plaster);
}
.btn--ink:hover { background: #000; }

.btn--wide { width: 100%; }

.btn svg { width: 1.0625rem; height: 1.0625rem; flex: none; }

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  padding-top: 8rem;
  overflow: hidden;
  isolation: isolate;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, var(--ink) 2%, rgba(11,16,23,.72) 34%, rgba(11,16,23,.15) 72%),
    linear-gradient(to right, rgba(11,16,23,.86), rgba(11,16,23,.1) 62%);
  pointer-events: none;
}

.hero__in { position: relative; }

.hero__h1 { margin-bottom: 1.75rem; }
.hero__h1 em {
  font-style: normal;
  color: var(--glow);
  text-shadow: 0 0 42px rgba(255,194,114,.34);
}

.hero__lede { margin-bottom: 2.5rem; max-width: 44ch; }

.hero__cta { display: flex; flex-wrap: wrap; gap: .875rem; }

.hero__meta {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 3rem;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.scroll-cue {
  position: absolute;
  right: var(--gut);
  bottom: clamp(3rem, 7vw, 5.5rem);
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--paper-dim);
  display: flex;
  align-items: center;
  gap: .875rem;
}
.scroll-cue::after {
  content: "";
  width: 1px; height: 3.5rem;
  background: linear-gradient(to bottom, var(--glow), transparent);
  animation: cue 2.6s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cue {
  0%        { transform: scaleY(0); opacity: 0; }
  35%       { transform: scaleY(1); opacity: 1; }
  70%, 100% { transform: scaleY(1); opacity: 0; transform-origin: bottom; }
}

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

.sec { position: relative; }

.sec--light {
  background: var(--plaster);
  color: var(--graphite);
}
.sec--light .eyebrow { color: var(--walnut); }
.sec--light .lede { color: var(--graphite-2); }

.sec__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
  gap: 2rem 4rem;
  align-items: end;
  margin-bottom: clamp(2.75rem, 6vw, 4.5rem);
}
.sec__head p { margin-top: .5rem; }

/* Hairline that separates dark bays, lit from the left like a cove. */
.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(to right, var(--glow), var(--hair) 22%, var(--hair) 78%, transparent);
  opacity: .55;
}
.sec--light .rule {
  background: linear-gradient(to right, var(--walnut), var(--plaster-3) 22%, var(--plaster-3) 78%, transparent);
}

/* ------------------------------------------------------- before /after -- */

.ba-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
}

.ba__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  margin-bottom: 1.125rem;
}
.ba__room {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--glow);
}
.ba__note {
  font-size: .875rem;
  color: var(--paper-dim);
  max-width: 62ch;
}

.ba {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  overflow: hidden;
  background: var(--ink-2);
  touch-action: pan-y;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
  border: 1px solid var(--hair);
}
@media (max-width: 40rem) { .ba { aspect-ratio: 4 / 3; } }

.ba img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba__after { clip-path: inset(0 0 0 var(--pos, 50%)); }

.ba__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos, 50%);
  width: 2px;
  margin-left: -1px;
  background: var(--glow);
  box-shadow: 0 0 14px rgba(255,194,114,.65);
  cursor: ew-resize;
  border: 0;
  padding: 0;
  z-index: 3;
}
.ba__grip {
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  width: 2.75rem; height: 2.75rem;
  border-radius: 50%;
  background: var(--glow);
  color: #23180A;
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  box-shadow: 0 4px 20px rgba(0,0,0,.45);
}

.ba__tag {
  position: absolute;
  bottom: .875rem;
  z-index: 2;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: .375rem .625rem;
  border-radius: 2px;
  background: rgba(11,16,23,.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--paper);
  pointer-events: none;
}
.ba__tag--b { left: .875rem; }
.ba__tag--a { right: .875rem; color: var(--glow); }

/* --------------------------------------------------------- 3D  gallery -- */

.stage {
  position: relative;
  height: clamp(24rem, 62vh, 38rem);
  background:
    radial-gradient(120% 90% at 50% 8%, rgba(255,194,114,.07), transparent 62%),
    var(--ink-2);
  border-block: 1px solid var(--hair);
  cursor: grab;
  touch-action: pan-y;
  overflow: hidden;
}
.stage:active { cursor: grabbing; }
#gallery-canvas { width: 100%; height: 100%; }

.stage__hint {
  position: absolute;
  left: 50%; bottom: 1.5rem;
  translate: -50% 0;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--paper-dim);
  pointer-events: none;
  transition: opacity .5s var(--ease);
  display: flex;
  align-items: center;
  gap: .625rem;
  background: rgba(11,16,23,.6);
  padding: .5rem .875rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.stage[data-touched="true"] .stage__hint { opacity: 0; }

.stage__label {
  position: absolute;
  left: 50%; top: 1.25rem;
  translate: -50% 0;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--glow);
  pointer-events: none;
  transition: opacity .3s var(--ease);
}

/* Fallback grid when WebGL is unavailable. */
.stage__fallback {
  display: none;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  height: 100%;
  overflow: hidden;
}
.stage[data-webgl="false"] { height: auto; cursor: default; }
.stage[data-webgl="false"] #gallery-canvas,
.stage[data-webgl="false"] .stage__hint,
.stage[data-webgl="false"] .stage__label { display: none; }
.stage[data-webgl="false"] .stage__fallback { display: grid; }
.stage__fallback img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1; }

/* ------------------------------------------------------------ services -- */

.svc {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--plaster-3);
  border: 1px solid var(--plaster-3);
  border-radius: 4px;
  overflow: hidden;
}

.svc__item {
  background: var(--plaster);
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  position: relative;
  transition: background .3s var(--ease);
}
.svc__item:hover { background: var(--plaster-2); }

/* Fluting: the vertical rhythm of their walnut panels, drawn in CSS. */
.svc__item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--walnut) 0 2px,
    transparent 2px 5px
  );
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.svc__item:hover::before { opacity: .8; }

.svc__n {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .18em;
  color: var(--walnut);
  display: block;
  margin-bottom: 1.125rem;
}

.svc__item h3 { margin-bottom: .75rem; }

.svc__item p {
  font-size: .9375rem;
  color: var(--graphite-2);
  line-height: 1.6;
}

.svc__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin-top: 1.25rem;
}
.svc__tags li {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .06em;
  padding: .25rem .5rem;
  border: 1px solid var(--plaster-3);
  border-radius: 2px;
  color: var(--graphite-2);
}

/* ------------------------------------------------------------- process -- */

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(1.75rem, 4vw, 2.75rem);
  counter-reset: step;
}

.step { position: relative; padding-top: 2.25rem; }

/* A run of light along the top of the sequence, segment by segment. */
.step::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--plaster-3);
}
.step::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--walnut);
  transition: width 1s var(--ease);
  transition-delay: calc(var(--i, 0) * 160ms);
}
.is-in .step::after { width: 100%; }

.step__n {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .18em;
  color: var(--walnut);
  display: block;
  margin-bottom: .75rem;
}
.step h3 { margin-bottom: .5rem; }
.step p { font-size: .9375rem; color: var(--graphite-2); }

/* ------------------------------------------------------------ concepts -- */

.concepts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
}

.concept {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--ink-2);
}
.concept img { width: 100%; height: 100%; object-fit: cover; }

.concept__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.25rem;
  background: linear-gradient(to top, rgba(11,16,23,.94), transparent);
}
.concept__body h3 { font-size: 1.0625rem; margin-bottom: .25rem; }
.concept__body p { font-size: .8125rem; color: var(--paper-dim); }

/* Placeholder state — reads as a deliberate swatch, not a broken image. */
.concept--empty {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(115deg,
      rgba(255,255,255,.022) 0 14px,
      transparent 14px 28px),
    linear-gradient(150deg, var(--ink-3), var(--ink-2));
}
.concept--empty .concept__ph {
  text-align: center;
  padding: 1.5rem;
}
.concept--empty .concept__ph span {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--paper-dim);
  display: block;
  margin-top: .625rem;
}
.concept__swatch {
  display: flex;
  justify-content: center;
  gap: .3125rem;
  margin-bottom: 1rem;
}
.concept__swatch i {
  width: 1.5rem; height: 1.5rem;
  border-radius: 2px;
  display: block;
}

.note {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--paper-dim);
  display: flex;
  gap: .625rem;
  align-items: flex-start;
}
.note::before {
  content: "";
  width: .375rem; height: .375rem;
  border-radius: 50%;
  background: var(--glow);
  flex: none;
  margin-top: .5rem;
}

/* ------------------------------------------------------------- contact -- */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.field { margin-bottom: 1.125rem; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: .5rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--ink-2);
  border: 1px solid var(--hair);
  border-radius: 3px;
  padding: .8125rem .9375rem;
  font-size: .9375rem;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.field textarea { resize: vertical; min-height: 6.5rem; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--glow);
  background: var(--ink-3);
  outline: none;
}
.field input::placeholder,
.field textarea::placeholder { color: #5C6673; }

.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.125rem;
}

.form__note {
  font-size: .75rem;
  color: var(--paper-dim);
  margin-top: .875rem;
  text-align: center;
}

.info__block { margin-bottom: 2rem; }
.info__label {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: .5rem;
}
.info__block a, .info__block p { font-size: 1.0625rem; line-height: 1.5; }
.info__block a { transition: color .2s var(--ease); }
.info__block a:hover { color: var(--glow); }

.map {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--hair);
  aspect-ratio: 16 / 10;
  background: var(--ink-2);
}
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4) invert(.9) hue-rotate(180deg) contrast(.85); }

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

.foot {
  border-top: 1px solid var(--hair);
  padding-block: 3rem 2.25rem;
}
.foot__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.foot__social { display: flex; gap: .625rem; }
.foot__social a {
  width: 2.5rem; height: 2.5rem;
  border: 1px solid var(--hair);
  border-radius: 3px;
  display: grid;
  place-items: center;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.foot__social a:hover { border-color: var(--glow); color: var(--glow); }
.foot__social svg { width: 1.0625rem; height: 1.0625rem; }

.foot__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* Sticky WhatsApp affordance — the way this audience actually gets in touch. */
.wa {
  position: fixed;
  right: 1.125rem;
  bottom: 1.125rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  padding: .8125rem 1.125rem;
  border-radius: 999px;
  background: #1FA855;
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(0,0,0,.45);
  transform: translateY(150%);
  transition: transform .45s var(--ease), background .25s var(--ease);
}
.wa[data-show="true"] { transform: translateY(0); }
.wa:hover { background: #17904a; }
.wa svg { width: 1.25rem; height: 1.25rem; }

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

.rv {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.rv.is-in { opacity: 1; transform: none; }
.rv[data-d="1"] { transition-delay: .09s; }
.rv[data-d="2"] { transition-delay: .18s; }
.rv[data-d="3"] { transition-delay: .27s; }

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

@media (max-width: 64rem) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 60rem) {
  .sec__head { grid-template-columns: 1fr; align-items: start; }
  .contact { grid-template-columns: 1fr; }
  .svc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 40rem) {
  .svc, .steps { grid-template-columns: minmax(0, 1fr); }
  .step { padding-top: 1.75rem; }
}

@media (max-width: 48rem) {
  .burger { display: grid; }

  .nav {
    position: fixed;
    inset: 4.5rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11,16,23,.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--hair);
    padding: .5rem var(--gut) 1.5rem;
    transform: translateY(-120%);
    transition: transform .4s var(--ease);
    max-height: calc(100svh - 4.5rem);
    overflow-y: auto;
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link {
    padding: .9375rem 0;
    font-size: 1.0625rem;
    border-bottom: 1px solid var(--hair);
  }
  .nav__link::after { display: none; }
  .nav .btn { margin-top: 1.125rem; }

  .scroll-cue { display: none; }
  .row2 { grid-template-columns: 1fr; }
  .hero { padding-top: 7rem; }
}

@media (max-width: 30rem) {
  .hero__meta { gap: .75rem 1.5rem; }
  .foot__top { flex-direction: column; }
}

/* --------------------------------------------------- reduced  motion -- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .rv { opacity: 1; transform: none; }
  .step::after { width: 100%; }
}

/* -------------------------------------------------------------- print -- */

@media print {
  .hdr, .wa, .stage, .scroll-cue { display: none; }
  body { background: #fff; color: #000; }
}