/* ITO Digital Dental Lab
   Identidade: preto, dourado #B98A42, ouro metálico da logo, champanhe e prata.
   Fontes: Bebas Neue (títulos) + Outfit (textos). */

@font-face {
  font-family: 'Bebas Neue';
  src: url('../fonts/bebas-neue.woff') format('woff');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Outfit';
  src: url('../fonts/outfit-var.woff') format('woff');
  font-weight: 200 600;
  font-display: swap;
}

:root {
  /* blacks */
  --black: #000;
  --ink-0: #050404;     /* page */
  --ink-1: #0c0a08;     /* raised sections */
  --ink-2: #15110d;     /* cards */
  --bronze-glow: #362314;
  --bronze-deep: #3c2a0c;

  /* golds */
  --gold: #b98a42;      /* brand gold (artes) */
  --gold-soft: #cfa25c;
  --gold-hi: #fcd254;   /* logo highlight */
  --gold-mid: #c69024;
  --gold-lo: #8a5d16;
  --champagne: #e4b08a;
  --silver: #d9d9d9;
  --silver-2: #9c9c9c;
  --metal: linear-gradient(100deg, #8a5d16 0%, #c69024 22%, #fce460 46%, #fcd254 54%, #c69024 76%, #8a5d16 100%);

  --white: #f6f3ee;
  --muted: #a8a19a;
  --muted-2: #6e6862;
  --line: rgba(185, 138, 66, 0.26);
  --line-soft: rgba(246, 243, 238, 0.09);

  --display: 'Bebas Neue', 'Oswald', Impact, 'Arial Narrow', sans-serif;
  --sans: 'Outfit', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;

  --gutter: clamp(20px, 4vw, 64px);
  --max: 1440px;
  --header-h: 80px;
  --radius-l: 30px;
  --radius-m: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);

  --t-xs: 0.78rem;
  --t-s: 0.9375rem;
  --t-m: 1.0625rem;
  --t-l: clamp(1.1rem, 1.35vw, 1.28rem);
  --t-pre: clamp(1rem, 1.9vw, 1.75rem);
  --t-big: clamp(3.6rem, 9.2vw, 9.6rem);
  --t-sec: clamp(3.2rem, 7.4vw, 7.6rem);
}

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

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

body {
  margin: 0;
  background: var(--ink-0);
  color: var(--white);
  font-family: var(--sans);
  font-size: var(--t-m);
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, svg, canvas { display: block; max-width: 100%; }
picture { display: contents; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
mark { background: none; color: inherit; }
::selection { background: var(--gold); color: var(--black); }

:focus-visible { outline: 2px solid var(--gold-soft); outline-offset: 3px; border-radius: 6px; }

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

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  padding: 10px 16px; border-radius: 10px;
  background: var(--gold); color: var(--black);
  transform: translateY(-150%);
  transition: transform .3s var(--ease);
}
.skip-link:focus { transform: none; }

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

/* ---------------------------------------------------------------- type system (from the brand arts) */

.t-pre {
  display: block;
  font-family: var(--sans);
  font-size: var(--t-pre);
  font-weight: 250;
  line-height: 1.15;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 0.25em;
}
.t-big {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: var(--t-big);
  line-height: 0.88;
  letter-spacing: 0.004em;
  text-transform: uppercase;
}
.t-gold { color: var(--gold); }

.section-title { max-width: none; }
.section-title .t-big { font-size: var(--t-sec); }
.section-intro {
  margin-top: 24px;
  font-size: var(--t-l);
  line-height: 1.6;
  max-width: 34rem;
  color: var(--muted);
}

.kicker {
  display: flex; align-items: center; gap: 16px;
  font-size: var(--t-xs);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.rule { display: inline-block; width: 44px; height: 2px; background: var(--gold); }

.split-line-mask { padding-bottom: 0.08em; margin-bottom: -0.08em; }

/* ---------------------------------------------------------------- buttons */

.btn {
  --h: 54px;
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: var(--h);
  padding: 0 30px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  transition: background-color .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease);
  will-change: transform;
}
.btn--sm { --h: 42px; padding: 0 20px; font-size: 0.72rem; }
.btn--wide { width: 100%; }

.btn__label { position: relative; display: inline-block; transition: transform .55s var(--ease); }
.btn__label::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 100%;
  padding-top: calc(var(--h) / 2 - 0.5em);
}
.btn:hover .btn__label,
.btn:focus-visible .btn__label { transform: translateY(calc(-1 * (100% + var(--h) / 2 - 0.5em))); }

.btn--gold { background: var(--gold); color: #0b0805; }
.btn--gold::before {
  /* metallic sheen sweeping across */
  content: '';
  position: absolute; top: 0; bottom: 0; left: -60%; width: 50%;
  background: linear-gradient(100deg, transparent, rgba(255, 236, 170, 0.75), transparent);
  transform: skewX(-18deg);
  animation: sheen 5.5s var(--ease-io) infinite;
  z-index: -1;
}
.btn--gold:hover { background: var(--gold-soft); }
@keyframes sheen { 0%, 62% { left: -60%; } 100% { left: 130%; } }

.btn--line {
  color: var(--white);
  padding-right: 10px;
  box-shadow: inset 0 0 0 1px rgba(246, 243, 238, 0.32);
  background: rgba(5, 4, 4, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--line:hover { box-shadow: inset 0 0 0 1px var(--gold); }
.btn--line:hover .arrow-pill i { transform: translateX(6px); }

/* "Arraste" pill with a long arrow (from the brand arts) */
.arrow-pill {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 34px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1.2px currentColor;
  flex: none;
}
.arrow-pill i { position: relative; display: block; width: 30px; height: 1.2px; background: currentColor; transition: transform .5s var(--ease); }
.arrow-pill i::after {
  content: ''; position: absolute; right: 0; top: 50%;
  width: 7px; height: 7px;
  border-top: 1.2px solid currentColor; border-right: 1.2px solid currentColor;
  transform: translate(0, -50%) rotate(45deg);
}
.arrow-pill--down { transform: rotate(90deg); }
.arrow-pill--sm { width: 46px; height: 24px; }
.arrow-pill--sm i { width: 20px; }

/* ---------------------------------------------------------------- loader */

.loader {
  position: fixed; inset: 0; z-index: 120;
  display: grid; place-items: center;
  background: radial-gradient(60% 50% at 50% 45%, #1b120a 0%, var(--ink-0) 70%);
  color: var(--white);
}
html:not(.js) .loader { display: none; }
.loader__inner { width: min(380px, 70vw); }
.loader__logo { position: relative; clip-path: inset(0 100% 0 0); }
.loader__logo img { width: 100%; height: auto; }
.loader__bar { position: relative; height: 1px; margin-top: 34px; background: var(--line-soft); overflow: hidden; }
.loader__bar i { position: absolute; inset: 0; background: var(--gold); transform-origin: 0 50%; transform: scaleX(0); }
.loader__meta {
  display: flex; justify-content: space-between;
  margin-top: 14px;
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

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

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  height: var(--header-h);
  display: flex; align-items: center; gap: 36px;
  padding-inline: var(--gutter);
  color: var(--white);
  transition: transform .6s var(--ease);
}
.site-header::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(5, 4, 4, 0.66);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  border-bottom: 1px solid var(--line-soft);
  opacity: 0;
  transition: opacity .5s var(--ease);
  z-index: -1;
}
.site-header.is-scrolled::before { opacity: 1; }
.site-header.is-hidden { transform: translateY(-110%); }

.brand { display: inline-flex; align-items: center; gap: 14px; margin-right: auto; }
.brand__img { height: 34px; width: auto; }
.brand__name {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 0.66rem; line-height: 1.3;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
}

.nav { display: flex; gap: 30px; font-size: 0.72rem; font-weight: 400; letter-spacing: 0.16em; text-transform: uppercase; }
.nav a { position: relative; padding: 6px 0; color: rgba(246, 243, 238, 0.78); transition: color .3s; }
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--gold); transform: scaleX(0); transform-origin: 100% 50%;
  transition: transform .5s var(--ease);
}
.nav a:hover { color: var(--white); }
.nav a:hover::after, .nav a[aria-current="true"]::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav a[aria-current="true"] { color: var(--white); }

.menu-toggle { display: none; width: 44px; height: 44px; position: relative; }
.menu-toggle i { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .5s var(--ease); }
.menu-toggle i:first-of-type { top: 18px; }
.menu-toggle i:last-of-type { top: 25px; }
.menu-toggle[aria-expanded="true"] i:first-of-type { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] i:last-of-type { transform: translateY(-3.5px) rotate(-45deg); }

.menu-mobile {
  position: fixed; inset: 0; z-index: 55;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: calc(var(--header-h) + 24px) var(--gutter) 40px;
  background: radial-gradient(80% 60% at 20% 100%, #24170c, var(--ink-0) 70%);
  clip-path: inset(0 0 100% 0);
  transition: clip-path .8s var(--ease-io);
}
.menu-mobile.is-open { clip-path: inset(0 0 0 0); }
.menu-mobile nav { display: flex; flex-direction: column; }
.menu-mobile nav a { font-family: var(--display); font-size: clamp(3rem, 15vw, 4.6rem); line-height: 1.02; text-transform: uppercase; }
.menu-mobile nav a:hover { color: var(--gold); }
.menu-mobile__wa { margin-top: 32px; color: var(--muted); font-size: var(--t-s); letter-spacing: 0.06em; }

/* ---------------------------------------------------------------- build (hero) */

.build { position: relative; height: 470vh; height: 470svh; background: var(--ink-0); }
.build__stage {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  overflow: hidden;
  transform-origin: 50% 0;
}
.build__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.build__shade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(110% 85% at 0% 100%, rgba(5, 4, 4, 0.9) 0%, rgba(5, 4, 4, 0.45) 40%, transparent 64%),
    linear-gradient(to top, rgba(5, 4, 4, 0.7), transparent 32%);
}
.no-webgl .build__canvas { display: none; }
.no-webgl .build__stage { background: radial-gradient(60% 50% at 70% 45%, rgba(185, 138, 66, 0.22), transparent 70%), var(--ink-0); }

.hero-copy {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(52px, 10vh, 120px);
  width: min(48rem, 54vw);
  z-index: 2;
}
.hero-title .t-pre { font-size: clamp(1.05rem, 2.1vw, 2rem); }
.hero-title .t-big { font-size: clamp(3.8rem, 8.6vw, 9rem); }
.hero-lead { margin-top: 24px; max-width: 30rem; font-size: var(--t-l); line-height: 1.55; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { margin-top: 18px; font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }

.step-caption {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(52px, 10vh, 120px);
  width: min(32rem, 42vw);
  z-index: 2;
  opacity: 0;
  visibility: hidden;
}
.step-caption__num { font-size: var(--t-xs); letter-spacing: 0.16em; color: var(--muted); font-variant-numeric: tabular-nums; }
.step-caption__num span { color: var(--gold); font-weight: 500; }
.step-caption__title {
  margin-top: 8px;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3rem, 6.4vw, 6.6rem);
  line-height: 0.9;
  text-transform: uppercase;
}
.step-caption__text { margin-top: 14px; color: var(--muted); max-width: 26rem; }
.readout {
  display: flex; gap: 32px; margin-top: 24px; padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: var(--t-xs);
  font-variant-numeric: tabular-nums;
}
.readout dt { color: var(--muted-2); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.68rem; }
.readout dd { margin-top: 4px; color: var(--white); font-weight: 400; font-size: var(--t-s); }

.process-rail {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  width: 230px;
  transform: translateY(-50%);
  z-index: 2;
  display: grid;
  gap: 4px;
}
.process-rail li {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: baseline;
  padding: 12px 0 14px;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246, 243, 238, 0.4);
  transition: color .6s var(--ease);
}
.process-rail__n { font-family: var(--display); font-size: 1.05rem; letter-spacing: 0.04em; }
.process-rail li.is-done { color: rgba(246, 243, 238, 0.66); }
.process-rail li.is-active { color: var(--white); }
.process-rail li.is-active .process-rail__n, .process-rail li.is-done .process-rail__n { color: var(--gold); }
.process-rail__bar { position: absolute; left: 32px; right: 0; bottom: 0; height: 1px; background: var(--line-soft); }
.process-rail__bar b { position: absolute; inset: 0; background: var(--gold); transform-origin: 0 50%; transform: scaleX(0); }

.scroll-cue {
  position: absolute; right: var(--gutter); bottom: 34px; z-index: 2;
  display: flex; align-items: center; gap: 16px;
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
}
.scroll-cue .arrow-pill { color: var(--white); }
.scroll-cue .arrow-pill i { animation: nudge 2.2s var(--ease-io) infinite; }
@keyframes nudge { 0%, 100% { transform: translateX(-4px); } 50% { transform: translateX(6px); } }

/* ---------------------------------------------------------------- manifesto */

.manifesto {
  position: relative; z-index: 3;
  margin-top: -100vh; margin-top: -100svh;
  min-height: 100vh; min-height: 100svh;
  background:
    radial-gradient(70% 60% at 85% 0%, rgba(54, 35, 20, 0.75), transparent 70%),
    var(--ink-1);
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  box-shadow: inset 0 1px 0 var(--line);
  padding-block: clamp(110px, 18vh, 200px) clamp(90px, 14vh, 160px);
}
.manifesto__text {
  margin-top: 34px;
  font-size: clamp(1.8rem, 3.6vw, 3.4rem);
  line-height: 1.16;
  font-weight: 250;
  letter-spacing: -0.012em;
  max-width: 30ch;
}
.manifesto__text .word { opacity: 0.16; }
.facts {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 40px;
  margin-top: clamp(72px, 12vh, 140px);
  align-items: end;
}
.fact { padding-top: 24px; border-top: 1px solid var(--line); }
.fact h3 { font-size: var(--t-m); font-weight: 500; letter-spacing: 0.01em; }
.fact p { margin-top: 10px; color: var(--muted); font-size: var(--t-s); max-width: 26rem; }
.fact .fact__big {
  font-family: var(--display);
  font-size: clamp(2.6rem, 4.4vw, 4.4rem);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--white) !important;
  margin-top: 0 !important;
}
.fact .fact__big mark {
  display: inline-block;
  padding: 0.06em 0.18em 0;
  margin-top: 0.08em;
  background: var(--gold);
  color: #0b0805;
}

/* ---------------------------------------------------------------- solutions */

.solutions {
  position: relative; z-index: 4;
  margin-top: calc(-1 * var(--radius-l));
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  background: var(--ink-0);
  box-shadow: inset 0 1px 0 var(--line);
  padding-top: clamp(110px, 16vh, 180px);
  padding-bottom: clamp(60px, 10vh, 120px);
}
.solutions__head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 24px; }
.solutions__head .section-intro { justify-self: end; }
.solutions__body {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(24px, 4vw, 72px);
  margin-top: clamp(40px, 6vh, 80px);
}
.lab { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; align-items: center; }
.lab__frame {
  position: relative;
  width: 100%;
  height: min(78svh, 760px);
  border-radius: var(--radius-l);
  background:
    radial-gradient(70% 60% at 50% 40%, rgba(54, 35, 20, 0.9), transparent 72%),
    linear-gradient(180deg, #0f0c09, #070605);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  overflow: hidden;
}
.lab__canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.lab__canvas:active { cursor: grabbing; }
.lab__label {
  position: absolute; left: 28px; right: 28px; bottom: 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  pointer-events: none;
}
.lab__name { font-family: var(--display); font-size: clamp(1.6rem, 2.2vw, 2.2rem); line-height: 1; text-transform: uppercase; color: var(--gold); }
.lab__hint { display: inline-flex; align-items: center; gap: 12px; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }

.solutions__list { display: flex; flex-direction: column; }
.solution {
  --mx: 50%; --my: 50%;
  position: relative;
  min-height: 74vh; min-height: 74svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 36px clamp(20px, 2.4vw, 36px);
  border-radius: var(--radius-m);
  opacity: 0.3;
  transition: opacity .7s var(--ease);
  cursor: pointer;
  outline-offset: -2px;
}
.solution::before {
  content: '';
  position: absolute; inset: 14% 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(185, 138, 66, 0.12), transparent 62%);
  opacity: 0;
  transition: opacity .5s var(--ease);
  pointer-events: none;
}
.solution:hover::before { opacity: 1; }
.solution.is-active { opacity: 1; }
.solution h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.6rem, 4.4vw, 4.6rem);
  line-height: 0.92;
  text-transform: uppercase;
  transition: color .6s var(--ease);
}
.solution.is-active h3 { color: var(--white); }
.solution p { margin-top: 16px; color: var(--muted); max-width: 28rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tags li {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--champagne);
  box-shadow: inset 0 0 0 1px var(--line);
}

/* ---------------------------------------------------------------- diferenciais */

.diff {
  position: relative; z-index: 5;
  margin-top: calc(-1 * var(--radius-l));
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  background:
    radial-gradient(60% 50% at 10% 0%, rgba(54, 35, 20, 0.7), transparent 70%),
    var(--ink-1);
  box-shadow: inset 0 1px 0 var(--line);
  padding-block: clamp(110px, 16vh, 180px);
}
.diff__head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 24px; }
.diff__head .section-intro { justify-self: end; }
.diff__body {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  margin-top: clamp(48px, 8vh, 96px);
}
.blueprint svg { width: 100%; height: auto; overflow: visible; }
.bp-grid-line { stroke: rgba(185, 138, 66, 0.08); stroke-width: 1; }
.bp-draw path, .bp-draw circle, .bp-note path, .bp-block path {
  fill: none;
  stroke: var(--silver);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}
.bp-thin { stroke-width: 1 !important; stroke: rgba(217, 217, 217, 0.5) !important; }
.bp-dash { stroke-dasharray: 0.012 0.012 !important; stroke: rgba(217, 217, 217, 0.4) !important; stroke-width: 1.2 !important; }
.bp-accent { stroke: var(--gold) !important; stroke-width: 2.6 !important; }
.bp-text { font-family: var(--sans); font-size: 17px; font-weight: 300; fill: var(--silver); font-variant-numeric: tabular-nums; }
.bp-text--muted { fill: var(--muted); font-size: 15px; }
.bp-text--strong { font-weight: 500; fill: var(--white); }
.bp-marker circle { fill: var(--ink-1); stroke: var(--gold); stroke-width: 1.5; transition: fill .4s var(--ease); }
.bp-marker text { font-family: var(--display); font-size: 19px; fill: var(--gold); transition: fill .4s var(--ease); }
.bp-marker.is-on circle { fill: var(--gold); }
.bp-marker.is-on text { fill: #0b0805; }

.diff__list { display: grid; }
.diff__list li {
  display: grid; grid-template-columns: 44px 1fr; gap: 6px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
  cursor: default;
}
.diff__list li:last-child { border-bottom: 1px solid var(--line-soft); }
.diff__letter {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%;
  font-family: var(--display); font-size: 1.05rem; padding-top: 2px;
  color: var(--gold);
  box-shadow: inset 0 0 0 1.5px var(--gold);
  transition: background-color .4s var(--ease), color .4s var(--ease);
}
.diff__list li.is-on .diff__letter { background: var(--gold); color: #0b0805; }
.diff__list h3 { font-size: var(--t-m); font-weight: 500; line-height: 1.4; }
.diff__list p { margin-top: 6px; font-size: var(--t-s); color: var(--muted); }

/* ---------------------------------------------------------------- gallery */

.gallery {
  position: relative; z-index: 6;
  margin-top: calc(-1 * var(--radius-l));
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  background: var(--ink-0);
  box-shadow: inset 0 1px 0 var(--line);
  padding-block: 140px 80px;
}
.gallery__track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 30%); gap: 20px; margin-top: 48px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; }
.gallery__track figure { scroll-snap-align: start; border-radius: var(--radius-m); overflow: hidden; background: var(--ink-2); }
.gallery__track img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.gallery__track figcaption { padding: 14px 18px; font-size: var(--t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

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

.contact {
  position: relative; z-index: 7;
  margin-top: calc(-1 * var(--radius-l));
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  background:
    radial-gradient(60% 60% at 100% 100%, rgba(54, 35, 20, 0.6), transparent 70%),
    var(--ink-0);
  box-shadow: inset 0 1px 0 var(--line);
  padding-block: clamp(110px, 16vh, 180px) clamp(80px, 12vh, 140px);
}
.contact__grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.contact .section-title .t-pre { font-size: clamp(0.85rem, 1.3vw, 1.15rem); letter-spacing: 0.08em; }
.contact__list { margin-top: 48px; display: grid; }
.contact__list li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 16px 0; border-top: 1px solid var(--line-soft); font-size: var(--t-s); }
.contact__list li:last-child { border-bottom: 1px solid var(--line-soft); }
.contact__list span { color: var(--muted-2); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; padding-top: 3px; }
.contact__list a { overflow-wrap: anywhere; transition: color .3s; }
.contact__list a:hover { color: var(--gold); }

.case-form {
  display: grid; gap: 26px;
  padding: clamp(24px, 3.4vw, 48px);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(185, 138, 66, 0.06), rgba(185, 138, 66, 0.015));
  box-shadow: inset 0 0 0 1px var(--line);
}
.field { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field label, .field legend { font-size: 0.7rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding: 0; }
.field small { color: var(--muted-2); font-size: inherit; letter-spacing: inherit; text-transform: none; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field input, .field textarea {
  width: 100%;
  padding: 10px 0 12px;
  font: inherit;
  font-size: var(--t-m);
  font-weight: 300;
  color: var(--white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(246, 243, 238, 0.2);
  border-radius: 0;
  resize: vertical;
  transition: border-color .3s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: rgba(168, 161, 154, 0.45); }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--gold); }
.field.is-invalid input { border-bottom-color: #e98a6f; }
.field.is-invalid .chips__list span { box-shadow: inset 0 0 0 1px rgba(233, 138, 111, 0.7); }
.chips__list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chips__list label { position: relative; cursor: pointer; }
.chips__list input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chips__list span {
  display: inline-block;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: var(--t-xs);
  color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(246, 243, 238, 0.2);
  transition: background-color .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
}
.chips__list label:hover span { box-shadow: inset 0 0 0 1px var(--gold); }
.chips__list input:checked + span { background: var(--gold); color: #0b0805; box-shadow: none; }
.chips__list input:focus-visible + span { outline: 2px solid var(--gold-soft); outline-offset: 2px; }
.form-error { color: #f0a58f; font-size: var(--t-s); }
.form-done { color: var(--muted); font-size: var(--t-s); }
.form-done a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }

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

.site-footer {
  position: relative; z-index: 8;
  background: var(--black);
  color: var(--white);
  padding-block: clamp(56px, 10vh, 110px) 36px;
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
}
.footer__logo {
  width: min(100%, 820px);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 var(--scan, 0%), rgba(0, 0, 0, 0.14) calc(var(--scan, 0%) + 8%), rgba(0, 0, 0, 0.14) 100%);
  mask-image: linear-gradient(90deg, #000 0%, #000 var(--scan, 0%), rgba(0, 0, 0, 0.14) calc(var(--scan, 0%) + 8%), rgba(0, 0, 0, 0.14) 100%);
}
.footer__logo img { width: 100%; height: auto; }
.footer__grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); font-size: var(--t-s); }
.footer__name span { color: var(--muted-2); }
.footer__nav, .footer__contact { display: grid; gap: 8px; align-content: start; }
.footer__nav a, .footer__contact a { color: var(--muted); transition: color .3s; overflow-wrap: anywhere; }
.footer__nav a:hover, .footer__contact a:hover { color: var(--gold); }
.footer__legal { margin-top: 48px; font-size: var(--t-xs); color: var(--muted-2); }

/* ---------------------------------------------------------------- floating whatsapp + cursor */

.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 50;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--gold);
  color: #0b0805;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
  opacity: 0; transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition: opacity .5s var(--ease), transform .5s var(--ease), background-color .3s;
}
.wa-float:hover { background: var(--gold-soft); }
.wa-float svg { width: 26px; height: 26px; fill: currentColor; }
.wa-float.is-visible { opacity: 1; transform: none; pointer-events: auto; }

.cursor {
  position: fixed; left: 0; top: 0; z-index: 110;
  width: 34px; height: 34px; margin: -17px 0 0 -17px;
  border-radius: 50%;
  border: 1px solid rgba(185, 138, 66, 0.8);
  pointer-events: none;
  opacity: 0;
  display: grid; place-items: center;
  transition: width .4s var(--ease), height .4s var(--ease), margin .4s var(--ease), background-color .4s var(--ease), border-color .4s, opacity .3s;
}
.cursor.is-on { opacity: 1; }
.cursor.is-link { width: 60px; height: 60px; margin: -30px 0 0 -30px; background: rgba(185, 138, 66, 0.16); }
.cursor.is-label { width: 88px; height: 88px; margin: -44px 0 0 -44px; background: var(--gold); border-color: transparent; }
.cursor__label { font-size: 0.66rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: #0b0805; opacity: 0; transition: opacity .3s; }
.cursor.is-label .cursor__label { opacity: 1; }
@media (pointer: coarse) { .cursor { display: none; } }

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

@media (max-width: 1180px) {
  .nav { gap: 20px; }
  .brand__name { display: none; }
  .process-rail { width: 210px; }
}

@media (max-width: 900px) {
  :root { --header-h: 66px; }
  .nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .brand__img { height: 28px; }

  .build { height: 430vh; height: 430svh; }
  .build__shade { background: linear-gradient(to top, rgba(5, 4, 4, 0.96) 0%, rgba(5, 4, 4, 0.75) 36%, transparent 62%); }
  .hero-copy, .step-caption { width: auto; right: var(--gutter); bottom: max(28px, env(safe-area-inset-bottom)); }
  .hero-title .t-pre { font-size: 1rem; }
  .hero-title .t-big { font-size: clamp(3rem, 15vw, 4.6rem); }
  .hero-lead { margin-top: 14px; font-size: var(--t-s); }
  .hero-actions { margin-top: 22px; }
  .hero-actions .btn { --h: 48px; padding: 0 20px; }
  .hero-actions .btn--line { padding-right: 8px; }
  .hero-actions .arrow-pill { width: 52px; height: 30px; }
  .step-caption__title { font-size: clamp(2.8rem, 13vw, 4rem); }
  .step-caption__text { font-size: var(--t-s); }
  .readout { margin-top: 16px; padding-top: 12px; }
  .process-rail {
    top: calc(var(--header-h) + 6px); right: var(--gutter); left: var(--gutter);
    width: auto; transform: none;
    grid-template-columns: repeat(4, 1fr); gap: 8px;
  }
  .process-rail li { display: block; padding: 0 0 10px; }
  .process-rail__t { display: none; }
  .process-rail__bar { left: 0; }
  .scroll-cue { display: none; }

  .facts { grid-template-columns: 1fr; gap: 0; }
  .fact { padding-block: 22px; }

  .solutions__head, .diff__head { grid-template-columns: 1fr; }
  .solutions__head .section-intro, .diff__head .section-intro { justify-self: start; }
  .solutions__body { grid-template-columns: 1fr; gap: 0; }
  .lab {
    top: var(--header-h);
    height: auto;
    z-index: 2;
    padding-block: 8px 12px;
    background: var(--ink-0);
  }
  .lab__frame { height: 44svh; border-radius: var(--radius-m); }
  .lab__label { left: 18px; right: 18px; bottom: 14px; }
  .lab__hint { display: none; }
  .solution { min-height: 58vh; min-height: 58svh; padding: 28px 4px; justify-content: flex-end; }
  .solution::before { display: none; }

  .diff__body { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact__list li { grid-template-columns: 90px 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .wa-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .manifesto__text .word { opacity: 1; }
  .loader__logo { clip-path: none; }
  .footer__logo { -webkit-mask-image: none; mask-image: none; }
}