/* Beyond Automação — sistema visual
   Paleta, tipografia e grid editorial. Tema único (identidade da marca). */

:root {
  --cream: #FBF7F0;
  --cream-soft: #F5F1E8;
  --tan: #E8DDC4;
  --tan-warm: #DDD0B0;
  --ink: #14120F;
  --ink-soft: #2A2723;
  --gray-700: #4A463F;
  --gray-500: #6E6961;
  --gray-300: #C4BFB5;
  --gray-200: #E5E0D8;
  --gold: #B8956A;
  --gold-soft: #C9AB85;
  --gold-deep: #8A6F4A;
  --gold-wash: rgba(184, 149, 106, 0.10);
  --noir: #0C0B0A;
  --noir-soft: #191715;
  --white: #FFFFFF;

  --shell: 1240px;
  --gut: 32px;
  --rule: 1px solid var(--gray-200);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  color-scheme: light;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

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

/* ---------- tipografia ---------- */

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.012em;
  line-height: 1.08;
  text-wrap: balance;
}

.serif { font-family: 'Playfair Display', Georgia, serif; font-weight: 500; }
.it { font-style: italic; }
.gold { color: var(--gold); }

.display {
  font-size: clamp(38px, 6.6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.h2 {
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1.08;
}

.h3 {
  font-size: clamp(21px, 2.2vw, 27px);
  line-height: 1.22;
}

.label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  line-height: 1;
}

.lead {
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.6;
  color: var(--gray-700);
  max-width: 62ch;
}

p { max-width: 68ch; color: var(--gray-700); }
p + p { margin-top: 1.1em; }
strong { font-weight: 600; color: var(--ink); }

/* ---------- estrutura ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gut);
}

section { padding: clamp(64px, 9vw, 132px) 0; }
.section-tight { padding: clamp(48px, 6vw, 88px) 0; }

.rule-top { border-top: var(--rule); }

.stack-sm { display: flex; flex-direction: column; gap: 14px; }
.stack { display: flex; flex-direction: column; gap: 22px; }
.stack-lg { display: flex; flex-direction: column; gap: 40px; }

.head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 780px;
  margin-bottom: clamp(36px, 4.5vw, 64px);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--cream);
  padding: 12px 20px;
  font-size: 14px;
  border-radius: 0 0 2px 0;
}
.skip:focus { left: 0; }

/* ---------- navegação ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(251, 247, 240, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--gray-200); }

.nav-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px var(--gut);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; }
.brand img { height: 54px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links a:not(.btn) {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gray-700);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s cubic-bezier(.2,.7,.3,1);
}
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links a:not(.btn):hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[aria-current="page"]:not(.btn) { color: var(--ink); }

.nav-links .btn { flex: none; }

.nav-toggle { display: none; }

/* ---------- botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
  white-space: nowrap;
}

.btn-primary { background: var(--ink); color: var(--cream); }
.btn-primary:hover { background: var(--gold-deep); }

.btn-ghost { border: 1px solid var(--gray-300); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); background: rgba(20,18,15,0.03); }

.btn-light { background: var(--cream); color: var(--ink); }
.btn-light:hover { background: var(--tan); }

.btn-outline-light { border: 1px solid rgba(251,247,240,0.35); color: var(--cream); }
.btn-outline-light:hover { border-color: var(--cream); background: rgba(251,247,240,0.08); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  min-height: 44px;
}
.arrow-link span:last-child { transition: transform .28s cubic-bezier(.2,.7,.3,1); color: var(--gold); }
.arrow-link:hover span:last-child { transform: translateX(6px); }

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

.hero {
  position: relative;
  padding: clamp(56px, 8vw, 104px) 0 clamp(56px, 7vw, 96px);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero-copy { display: flex; flex-direction: column; gap: 26px; }
.hero-copy .display { max-width: 12ch; }

.hero-art {
  position: relative;
  border-radius: 3px;
  overflow: hidden;
  background: var(--cream-soft);
  aspect-ratio: 4 / 4.5;
}
.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(20,18,15,0.06);
  background: linear-gradient(to top, rgba(12,11,10,0.55) 0%, rgba(12,11,10,0.12) 18%, rgba(12,11,10,0) 34%);
  pointer-events: none;
}

.hero-caption {
  position: absolute;
  left: 20px;
  bottom: 18px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  text-shadow: 0 1px 12px rgba(0,0,0,0.5);
}

/* ---------- barra de prova ---------- */

.proof {
  border-top: var(--rule);
  border-bottom: var(--rule);
  background: var(--cream-soft);
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.proof-cell {
  padding: 32px 28px;
  border-left: var(--rule);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.proof-cell:first-child { border-left: none; }
.proof-num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1;
  color: var(--ink);
}
.proof-txt { font-size: 13px; color: var(--gray-500); line-height: 1.45; }

/* ---------- pilares ---------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--gray-200); border: var(--rule); }
.grid-3 > * { background: var(--cream); }

.pilar {
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 260px;
  transition: background .3s ease;
}
.pilar:hover { background: var(--cream-soft); }
.pilar-mark {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-weight: 600;
}
.pilar h3 { font-size: 24px; }
.pilar p { font-size: 15.5px; line-height: 1.6; color: var(--gray-500); }

/* ---------- bloco escuro ---------- */

.noir {
  background: var(--noir);
  color: var(--cream);
}
.noir h1, .noir h2, .noir h3 { color: var(--cream); }
.noir p { color: rgba(251,247,240,0.68); }
.noir .label { color: var(--gold-soft); }
.noir .proof-num { color: var(--cream); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.split-copy { display: flex; flex-direction: column; gap: 20px; }
.split-art { position: relative; overflow: hidden; border-radius: 3px; }
.split-art img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- faixa de imagem ---------- */

.band {
  position: relative;
  min-height: clamp(320px, 46vw, 540px);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.band img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.band-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(12,11,10,0.88) 0%, rgba(12,11,10,0.42) 52%, rgba(12,11,10,0.12) 100%),
    linear-gradient(to right, rgba(12,11,10,0.62) 0%, rgba(12,11,10,0.12) 62%, rgba(12,11,10,0) 100%);
}
.band-copy {
  position: relative;
  padding: 0 0 clamp(32px, 5vw, 64px);
  color: var(--cream);
  max-width: 640px;
}
.band-copy h2 { color: var(--cream); }
.band-copy p { color: rgba(251,247,240,0.8); }

/* ---------- figura sobre fundo escuro ---------- */

.figure-noir { display: flex; flex-direction: column; gap: 14px; margin: 0; }
.figure-noir img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(251,247,240,0.08);
}
.figure-noir figcaption {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(251,247,240,0.5);
}
.figure-wide { margin-top: 8px; }

.arrow-light { color: var(--cream); }
.noir .arrow-link { color: var(--cream); }
.noir .arrow-link span:last-child { color: var(--gold-soft); }

/* ---------- método ---------- */

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step { display: flex; flex-direction: column; gap: 12px; padding-top: 22px; border-top: 2px solid var(--ink); }
.step-n { font-size: 11px; letter-spacing: 0.2em; font-weight: 600; color: var(--gold); }
.step h3 { font-size: 21px; }
.step p { font-size: 15px; line-height: 1.6; color: var(--gray-500); }

/* ---------- projetos ---------- */

.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(24px, 3vw, 44px); }
.project { display: flex; flex-direction: column; gap: 16px; }
.project-art {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 3px;
  background: var(--cream-soft);
  box-shadow: inset 0 0 0 1px rgba(20,18,15,0.07);
}
.project-art img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.3,1); }
.project:hover .project-art img { transform: scale(1.035); }
.project-meta { display: flex; flex-direction: column; gap: 5px; }
.project-meta h3 { font-size: 23px; }
.project-loc { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-500); }
.project-desc { font-size: 15px; color: var(--gray-500); line-height: 1.6; }

.slot {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background:
    repeating-linear-gradient(135deg, rgba(184,149,106,0.06) 0 12px, rgba(184,149,106,0) 12px 24px),
    var(--cream-soft);
  color: var(--gray-500);
  text-align: center;
  padding: 24px;
}
.slot-mark { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); }
.slot-txt { font-size: 13px; max-width: 26ch; line-height: 1.5; }

/* ---------- citação ---------- */

.quote {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: center;
}
.quote blockquote {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}
.quote cite { font-style: normal; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-500); }

/* ---------- listas ---------- */

.ticks { display: flex; flex-direction: column; gap: 14px; list-style: none; }
.ticks li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 14px;
  align-items: start;
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.55;
}
.ticks li::before {
  content: "";
  width: 7px; height: 7px;
  margin-top: 9px;
  background: var(--gold);
  border-radius: 50%;
}

.deck { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.4vw, 32px); }
.card {
  border: var(--rule);
  border-radius: 3px;
  padding: clamp(26px, 2.8vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--white);
}
.card h3 { font-size: 22px; }
.card p { font-size: 15.5px; color: var(--gray-500); line-height: 1.6; }

/* ---------- acabamentos ---------- */

.finishes { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.2vw, 28px); }
.finish { display: flex; flex-direction: column; gap: 14px; }
.finish-swatch {
  height: 118px;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(20,18,15,0.08);
}
.finish h4 { font-size: 19px; }
.finish p { font-size: 14.5px; color: var(--gray-500); line-height: 1.55; }


.finish-shot {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 3px;
  background: var(--cream-soft);
  box-shadow: inset 0 0 0 1px rgba(20,18,15,0.07);
}
.finish-shot img { width: 100%; height: 100%; object-fit: cover; }
.noir .finishes .figure-noir img { aspect-ratio: 4 / 5; object-fit: cover; }

/* ---------- FAQ ---------- */

.faq { border-top: var(--rule); }
.faq-item { border-bottom: var(--rule); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  min-height: 60px;
  text-align: left;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.3;
  color: var(--ink);
}
.faq-sign { flex: none; width: 22px; height: 22px; position: relative; }
.faq-sign::before, .faq-sign::after {
  content: ""; position: absolute; background: var(--gold);
  left: 50%; top: 50%;
}
.faq-sign::before { width: 16px; height: 1.5px; transform: translate(-50%, -50%); }
.faq-sign::after { width: 1.5px; height: 16px; transform: translate(-50%, -50%); transition: transform .3s ease, opacity .3s ease; }
.faq-item.is-open .faq-sign::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s cubic-bezier(.2,.7,.3,1); }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p { padding-bottom: 26px; font-size: 16px; }

/* ---------- CTA ---------- */

.cta-final { background: var(--noir); color: var(--cream); text-align: center; }
.cta-final h2 { color: var(--cream); max-width: 16ch; margin: 0 auto; }
.cta-final p { color: rgba(251,247,240,0.7); margin: 0 auto; }
.cta-wrap { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.cta-wrap .btn-row { justify-content: center; }

/* ---------- contato ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: start; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-500); font-weight: 600; }
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: 16px;
  padding: 14px 16px;
  min-height: 50px;
  border: 1px solid var(--gray-300);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); outline: none; }
.form { display: flex; flex-direction: column; gap: 20px; }
.form-note { font-size: 13px; color: var(--gray-500); }

.contact-list { display: flex; flex-direction: column; gap: 26px; }
.contact-row { display: flex; flex-direction: column; gap: 4px; padding-bottom: 24px; border-bottom: var(--rule); }
.contact-row:last-child { border-bottom: none; }
.contact-k { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.contact-v { font-size: 18px; color: var(--ink); }
.contact-v a { border-bottom: 1px solid var(--gold-soft); padding-bottom: 2px; }
.contact-v a:hover { border-color: var(--gold); }

/* ---------- rodapé ---------- */

.foot { background: var(--noir); color: rgba(251,247,240,0.62); padding: clamp(48px, 6vw, 76px) 0 32px; }
.foot a { color: rgba(251,247,240,0.62); transition: color .2s ease; }
.foot a:hover { color: var(--cream); }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid rgba(251,247,240,0.12); }
.foot-brand img { height: 44px; margin-bottom: 22px; }
.foot-brand p { color: rgba(251,247,240,0.55); font-size: 15px; max-width: 34ch; }
.foot-col { display: flex; flex-direction: column; gap: 12px; }
.foot-col .label { color: var(--gold-soft); margin-bottom: 4px; }
.foot-col a, .foot-col span { font-size: 14.5px; }
.foot-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 26px; font-size: 12.5px; color: rgba(251,247,240,0.45); flex-wrap: wrap; }

/* ---------- aviso de cookies ---------- */

.cookie-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  background: var(--noir);
  color: rgba(251,247,240,0.78);
  padding: 18px clamp(20px, 4vw, 40px);
  padding-bottom: max(18px, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(251,247,240,0.12);
}
.cookie-bar[hidden] { display: none; }
.cookie-bar p { font-size: 13.5px; max-width: 62ch; margin: 0; }
.cookie-actions { display: flex; gap: 12px; flex: none; }
.cookie-actions .btn { min-height: 40px; padding: 10px 20px; font-size: 13px; }

/* ---------- animação de entrada ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }

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

/* ---------- responsivo ---------- */

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy .display { max-width: 14ch; }
  .hero-art { aspect-ratio: 4 / 3.4; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.is-open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 18px var(--gut) 28px;
    background: var(--cream);
    border-bottom: var(--rule);
  }
  .nav-links.is-open a:not(.btn) { font-size: 17px; padding: 12px 0; width: 100%; }
  .nav-links.is-open a::after { display: none; }
  .nav-links.is-open .btn { margin-top: 10px; }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    margin-right: -10px;
  }
  .nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); position: relative; transition: background .2s ease; }
  .nav-toggle span::before, .nav-toggle span::after {
    content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: var(--ink);
    transition: transform .28s ease;
  }
  .nav-toggle span::before { top: -7px; }
  .nav-toggle span::after { top: 7px; }
  .nav-toggle[aria-expanded="true"] span { background: transparent; }
  .nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }
  .nav { position: sticky; }
  .nav-inner { position: relative; }

  .split, .contact-grid { grid-template-columns: 1fr; }
  .grid-3, .deck { grid-template-columns: repeat(2, 1fr); }
  .projects { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  :root { --gut: 22px; }
  .brand img { height: 42px; }
  body { font-size: 16px; }
  .cookie-bar { flex-direction: column; align-items: stretch; text-align: left; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-cell { border-left: none; border-top: var(--rule); padding: 24px 20px; }
  .proof-cell:nth-child(1), .proof-cell:nth-child(2) { border-top: none; }
  .proof-cell:nth-child(even) { border-left: var(--rule); }
  .grid-3, .deck, .finishes { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .pilar { min-height: 0; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .nav-links.is-open .btn { width: 100%; }
}

@media (max-width: 420px) {
  .foot-top { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; gap: 8px; }
}