/* ==========================================================================
   revworks.3d — folha de estilo principal
   Paleta e tipografia seguem o Brand Identity Kit (Canva).
   ========================================================================== */

:root {
  /* Cores da marca */
  --orange: #FF5F1F;      /* Laranja Rev — destaque / ação */
  --orange-ink: #E04A0E;  /* hover */
  --ink: #16181A;         /* Grafite — fundo principal */
  --ink-2: #1E2124;       /* superfícies */
  --ink-3: #26292D;       /* bordas / cartões elevados */
  --bone: #F4F1EC;        /* Osso — texto / fundo claro */
  --grey: #5B6066;        /* Cinza Técnico */
  --grey-2: #8A8F95;      /* texto secundário */

  /* Tipografia */
  --font-sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Layout */
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 4px;
  --line: 1px solid rgba(244, 241, 236, 0.1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.35rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
::selection { background: var(--orange); color: var(--ink); }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.mono, .eyebrow, .tag, .spec { font-family: var(--font-mono); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 1.2rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: rgba(244, 241, 236, .78); max-width: 60ch; }
.muted { color: var(--grey-2); }
.accent { color: var(--orange); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--orange); color: var(--ink); padding: 8px 14px; }

/* Grade técnica de fundo (papel milimetrado) */
.grid-bg {
  background-image:
    linear-gradient(rgba(244, 241, 236, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 236, .045) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}

/* --------------------------------------------------------------------------
   Logo
   -------------------------------------------------------------------------- */
.mark { width: 40px; height: 40px; flex: none; }
.mark-ring { fill: none; stroke: var(--grey); stroke-width: 5.2; stroke-linecap: round; stroke-dasharray: 0 9.85; }
.mark-arrow { fill: var(--orange); }
.mark-face { fill: var(--orange); }
.mark-line { fill: none; stroke: var(--bone); stroke-width: 7; stroke-linejoin: round; stroke-linecap: round; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; }
.logo b { color: var(--orange); font-weight: 700; }
.mark.spin .mark-ring, .mark.spin .mark-arrow { transform-origin: 100px 104px; animation: spin 14s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   Cabeçalho
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(22, 24, 26, .86);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 8px 14px; text-decoration: none; font-size: .95rem;
  color: rgba(244, 241, 236, .75); border-radius: var(--radius); transition: color .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--orange); border-radius: 0; }
.nav-toggle {
  display: none; background: none; border: var(--line); color: var(--bone);
  width: 44px; height: 44px; border-radius: var(--radius); cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: currentColor; margin: 0 auto; position: relative; transition: .2s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch;
    background: var(--ink); border-bottom: var(--line); padding: 12px var(--gutter) 24px;
    transform: translateY(-120%); transition: transform .25s ease; visibility: hidden;
  }
  .nav-open .nav-links { transform: none; visibility: visible; }
  .nav-links a { padding: 14px 0; font-size: 1.1rem; border-bottom: var(--line); }
  .nav-links a[aria-current="page"] { box-shadow: none; color: var(--orange); }
  .nav-links .btn { margin-top: 16px; text-align: center; border-bottom: 0; }
}

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: 14px 22px; border-radius: var(--radius); border: 1px solid transparent;
  font-family: var(--font-sans); font-weight: 600; font-size: 1rem; text-decoration: none;
  cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn-primary { background: var(--orange); color: var(--ink); }
.btn-primary:hover { background: var(--bone); }
.btn-ghost { border-color: rgba(244, 241, 236, .25); color: var(--bone); background: transparent; }
.btn-ghost:hover { border-color: var(--bone); }
.nav-links .btn-primary { color: var(--ink); padding: 10px 18px; }
.nav-links .btn-primary:hover { color: var(--ink); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* --------------------------------------------------------------------------
   Seções
   -------------------------------------------------------------------------- */
section { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 64px; align-items: end; margin-bottom: 56px; }
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: rgba(244, 241, 236, .7); }
@media (max-width: 800px) { .section-head { grid-template-columns: 1fr; } }
.band-light { background: var(--bone); color: var(--ink); }
.band-light .lead, .band-light .section-head p { color: rgba(22, 24, 26, .72); }
.band-light .muted { color: #6B7075; }
.band-orange { background: var(--orange); color: var(--ink); }
.divider { border: 0; border-top: var(--line); margin: 0; }

/* Page hero (páginas internas) */
.page-hero { padding: clamp(72px, 10vw, 120px) 0 clamp(48px, 7vw, 80px); border-bottom: var(--line); position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); max-width: 16ch; }
.crumbs { font-family: var(--font-mono); font-size: .78rem; color: var(--grey-2); margin-bottom: 28px; letter-spacing: .04em; }
.crumbs a { text-decoration: none; } .crumbs a:hover { color: var(--orange); }

/* --------------------------------------------------------------------------
   Hero (home)
   -------------------------------------------------------------------------- */
.hero { padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 9vw, 112px); position: relative; overflow: hidden; border-bottom: var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: .35em; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero .lead { margin-bottom: 2rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 48px; padding-top: 28px; border-top: var(--line); }
.hero-meta div { font-family: var(--font-mono); font-size: .8rem; color: var(--grey-2); line-height: 1.4; }
.hero-meta strong { display: block; font-family: var(--font-sans); font-size: 1.6rem; color: var(--bone); letter-spacing: -0.02em; }
.hero-visual { position: relative; aspect-ratio: 1; max-width: 520px; justify-self: end; width: 100%; }
.hero-visual .mark { width: 100%; height: 100%; }
.hero-visual .mark-line { stroke-width: 4.5; }
.hero-visual .mark-ring { stroke-width: 3.4; stroke-dasharray: 0 7.2; }
.dim {
  position: absolute; font-family: var(--font-mono); font-size: .72rem; color: var(--grey-2);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.dim::before { content: ""; width: 24px; height: 1px; background: var(--orange); }
.dim-1 { top: 8%; left: -4%; } .dim-2 { bottom: 22%; right: -10%; } .dim-3 { bottom: 4%; left: 6%; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 300px; justify-self: start; }
  .dim { display: none; }
}

/* --------------------------------------------------------------------------
   Cartões / grades
   -------------------------------------------------------------------------- */
.cards { display: grid; gap: 1px; background: rgba(244, 241, 236, .1); border: var(--line); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .cards-3, .cards-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards-3, .cards-2, .cards-4 { grid-template-columns: 1fr; } }
.card { background: var(--ink); padding: 36px 32px; position: relative; transition: background .25s; }
.card:hover { background: var(--ink-2); }
.card .num { font-family: var(--font-mono); font-size: .78rem; color: var(--orange); margin-bottom: 40px; display: block; }
.card h3 { margin-bottom: .6em; }
.card p { color: rgba(244, 241, 236, .7); font-size: .97rem; margin: 0; }
.card .link { display: inline-block; margin-top: 24px; font-weight: 600; text-decoration: none; color: var(--bone); border-bottom: 1px solid var(--orange); }
.card ul { margin: 18px 0 0; padding: 0; list-style: none; font-size: .92rem; color: rgba(244, 241, 236, .7); }
.card li { padding: 6px 0 6px 20px; position: relative; border-top: var(--line); }
.card li::before { content: "→"; position: absolute; left: 0; color: var(--orange); }
.icon { width: 44px; height: 44px; margin-bottom: 28px; color: var(--orange); }
.icon * { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* --------------------------------------------------------------------------
   Processo (passos)
   -------------------------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: step; position: relative; }
.step { padding: 0 28px 0 0; position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border: 1px solid currentColor; border-radius: 50%;
  font-family: var(--font-mono); font-size: .9rem; margin-bottom: 28px; background: inherit; position: relative; z-index: 1;
}
.step::after { content: ""; position: absolute; top: 28px; left: 56px; right: 0; border-top: 1px dashed currentColor; opacity: .35; }
.step:last-child::after { display: none; }
.step h3 { font-size: 1.2rem; }
.step p { font-size: .95rem; opacity: .75; }
.band-light .step::before { background: var(--bone); }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .step::after { display: none; }
}
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Processo detalhado (timeline vertical) */
.timeline { border-left: 1px solid rgba(244, 241, 236, .15); margin-left: 12px; }
.tl-item { position: relative; padding: 0 0 64px 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 56px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -7px; top: 6px; width: 13px; height: 13px;
  background: var(--orange); transform: rotate(45deg);
}
.tl-item .tag { grid-column: 1 / -1; justify-self: start; }
.tl-item h3 { font-size: 1.7rem; }
.tl-item .spec-list { margin: 0; }
@media (max-width: 800px) { .tl-item { grid-template-columns: 1fr; padding-left: 32px; } }

/* --------------------------------------------------------------------------
   Etiquetas, especificações, tabelas
   -------------------------------------------------------------------------- */
.tag {
  display: inline-block; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid rgba(244, 241, 236, .2); border-radius: 2px; color: var(--grey-2);
}
.tag-orange { border-color: var(--orange); color: var(--orange); }
.spec-list { list-style: none; padding: 0; margin: 0; font-size: .95rem; }
.spec-list li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: var(--line); }
.spec-list li span:first-child { color: var(--grey-2); font-family: var(--font-mono); font-size: .82rem; }
.spec-list li span:last-child { text-align: right; }

.table-wrap { overflow-x: auto; border: var(--line); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 640px; }
th, td { text-align: left; padding: 16px 20px; border-bottom: var(--line); vertical-align: top; }
th { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--grey-2); font-weight: 400; background: var(--ink-2); }
td:first-child { font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.dots { color: var(--orange); letter-spacing: 2px; font-family: var(--font-mono); }
.dots .off { color: var(--ink-3); }

/* --------------------------------------------------------------------------
   Faixa "antes / depois" (home)
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 40px; } }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; }
.check-list li { padding: 14px 0 14px 36px; position: relative; border-top: 1px solid rgba(22, 24, 26, .12); }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 19px; width: 18px; height: 18px;
  background: var(--orange); clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}
.blueprint {
  background: var(--ink); color: var(--bone); border-radius: var(--radius); padding: 28px;
  aspect-ratio: 4 / 3; position: relative; overflow: hidden;
}
.blueprint svg { width: 100%; height: 100%; }
.bp-line { fill: none; stroke: var(--bone); stroke-width: 1.5; }
.bp-thin { fill: none; stroke: var(--grey-2); stroke-width: 1; stroke-dasharray: 4 4; }
.bp-dim { fill: none; stroke: var(--orange); stroke-width: 1; }
.bp-text { fill: var(--grey-2); font-family: var(--font-mono); font-size: 11px; }
.bp-text-o { fill: var(--orange); font-family: var(--font-mono); font-size: 11px; }

/* --------------------------------------------------------------------------
   Setores (marquee simples)
   -------------------------------------------------------------------------- */
.sectors { display: flex; flex-wrap: wrap; gap: 10px; }
.sectors span {
  padding: 10px 18px; border: 1px solid rgba(22, 24, 26, .2); border-radius: 100px; font-size: .95rem; font-weight: 500;
}

/* --------------------------------------------------------------------------
   Portfólio
   -------------------------------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.filter {
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .04em; text-transform: uppercase;
  background: none; color: var(--grey-2); border: 1px solid rgba(244, 241, 236, .18);
  padding: 9px 16px; border-radius: 100px; cursor: pointer; transition: .2s;
}
.filter:hover { color: var(--bone); border-color: var(--bone); }
.filter[aria-pressed="true"] { background: var(--orange); color: var(--ink); border-color: var(--orange); }
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 1000px) { .projects { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .projects { grid-template-columns: 1fr; } }
.project { background: var(--ink-2); border: var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.project:hover { border-color: rgba(255, 95, 31, .6); transform: translateY(-3px); }
.project[hidden] { display: none; }
.project-media { aspect-ratio: 4 / 3; background: var(--ink); position: relative; border-bottom: var(--line); }
.project-media svg { width: 100%; height: 100%; }
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.project-media .tag { position: absolute; top: 14px; left: 14px; background: rgba(22, 24, 26, .8); }
.project-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project-body h3 { margin: 0; font-size: 1.2rem; }
.project-body p { margin: 0; font-size: .93rem; color: rgba(244, 241, 236, .7); }
.project-specs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 14px; }
.example-note {
  font-family: var(--font-mono); font-size: .8rem; color: var(--grey-2); border: 1px dashed rgba(244, 241, 236, .2);
  padding: 14px 18px; border-radius: var(--radius); margin-bottom: 32px;
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq { border-top: var(--line); }
.faq details { border-bottom: var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 24px 48px 24px 0; font-size: 1.15rem; font-weight: 600; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 1.4rem; color: var(--orange); transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { margin: 0 0 24px; max-width: 70ch; color: rgba(244, 241, 236, .72); }

/* --------------------------------------------------------------------------
   Formulário
   -------------------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-family: var(--font-mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--grey-2); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--ink-2); border: 1px solid rgba(244, 241, 236, .14); border-radius: var(--radius);
  color: var(--bone); font: inherit; font-size: 1rem; padding: 14px 16px; transition: border-color .2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field select { padding-right: 44px; text-overflow: ellipsis; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--grey-2) 50%), linear-gradient(135deg, var(--grey-2) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.field .hint { font-size: .82rem; color: var(--grey-2); margin-top: 6px; }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-row label { text-transform: none; letter-spacing: 0; font-family: var(--font-sans); font-size: .95rem; color: var(--bone); margin: 0; }
.radio-row label { position: relative; }
.radio-row input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.radio-row span { display: inline-block; padding: 10px 16px; border: 1px solid rgba(244, 241, 236, .18); border-radius: 100px; cursor: pointer; transition: .2s; }
.radio-row input:checked + span { background: var(--orange); color: var(--ink); border-color: var(--orange); }
.radio-row input:focus-visible + span { outline: 2px solid var(--orange); outline-offset: 2px; }
.form-status { margin-top: 16px; font-family: var(--font-mono); font-size: .85rem; color: var(--orange); min-height: 1.2em; }
.contact-layout { display: grid; grid-template-columns: 1.4fr .8fr; gap: 64px; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
.contact-card { border: var(--line); padding: 32px; border-radius: var(--radius); background: var(--ink-2); }
.contact-card + .contact-card { margin-top: 20px; }
.contact-card h3 { font-size: 1.1rem; }
.contact-card a { text-decoration: none; border-bottom: 1px solid rgba(255, 95, 31, .5); }
.contact-card a:hover { color: var(--orange); }

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */
.cta { text-align: left; }
.cta-inner { display: grid; grid-template-columns: 1.4fr auto; gap: 40px; align-items: end; }
.cta h2 { font-size: clamp(2.2rem, 5vw, 4rem); margin: 0; max-width: 14ch; }
.band-orange .btn-primary { background: var(--ink); color: var(--bone); }
.band-orange .btn-primary:hover { background: var(--bone); color: var(--ink); }
@media (max-width: 800px) { .cta-inner { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Rodapé
   -------------------------------------------------------------------------- */
.site-footer { padding: 72px 0 32px; border-top: var(--line); font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--grey-2); font-weight: 400; margin-bottom: 18px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { text-decoration: none; color: rgba(244, 241, 236, .8); }
.footer-grid a:hover { color: var(--orange); }
.footer-tagline { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .14em; color: var(--grey-2); margin-top: 16px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 64px; padding-top: 24px; border-top: var(--line); font-family: var(--font-mono); font-size: .78rem; color: var(--grey-2); }

/* WhatsApp flutuante */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 56px; height: 56px; border-radius: 50%;
  background: var(--orange); color: var(--ink); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35); transition: transform .2s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 28px; height: 28px; }

/* Revelar ao rolar */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .mark.spin .mark-ring, .mark.spin .mark-arrow { animation: none; }
}