/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V4
   Hallmark · genre: modern-minimal (austero) · macrostructure: Split Studio (body) · hero: H6 photographic-fold full-bleed (scrim assimétrico + blueprint grid)
   theme: custom · vibe: "engineering rigor, austere, structural, navy-gold" · paper: oklch(98.5% 0.006 250) · accent: oklch(77% 0.155 70)
   display: Space Grotesk · body: Inter · mono: JetBrains Mono · axes: light / grotesk-sans / warm (amber ~70)
   nav: N1b SaaS three-section · footer: Ft4 dense colophon · studied: no · context: user-provided
   ============================================================ */

/* ----- 1. RESET ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 6.5rem;
}
body {
  min-height: 100vh;
  overflow-x: clip;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--w-normal);
  line-height: var(--leading-normal);
  color: var(--color-ink-2);
  background-color: var(--color-paper);
  -webkit-text-size-adjust: 100%;
}
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: var(--color-accent); color: var(--color-accent-ink); }

/* ----- 2. TYPOGRAPHY ----- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--w-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  overflow-wrap: break-word;
  text-wrap: balance;
}
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-base); }
p { line-height: var(--leading-normal); }
strong, b { font-weight: var(--w-semibold); color: var(--color-ink); }

/* mono kicker/eyebrow — stacked ABOVE heading (never tag-left/heading-right) */
.kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--w-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-4);
}
.kicker::before { content: "— "; color: var(--color-muted); }

.lede { font-size: var(--text-lg); color: var(--color-ink-2); max-width: 58ch; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ----- 3. LAYOUT PRIMITIVES ----- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.section { padding-block: var(--space-20); }
.section--tight { padding-block: var(--space-16); }
.section--alt { background-color: var(--color-paper-2); }
.section--dark { background-color: var(--color-surface-dark); color: var(--color-muted-on-dark); }
.section--dark h2, .section--dark h3 { color: var(--color-ink-on-dark); }
.rule { height: 1px; background: var(--color-rule); border: 0; }

/* section head — label stacked over heading, one column on mobile */
.section-head { max-width: 62ch; margin-bottom: var(--space-12); }
.section-head h2 { font-size: var(--text-4xl); min-width: 0; }
.section-head p { margin-top: var(--space-4); color: var(--color-muted); max-width: 54ch; }

/* ----- 4. BUTTONS ----- */
.btn {
  --_pad-y: 0.72rem;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--_pad-y) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-sm); font-weight: var(--w-medium);
  letter-spacing: -0.01em; line-height: 1; white-space: nowrap;
  border: 1px solid transparent; border-radius: var(--radius-md);
  transition: background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); font-weight: var(--w-semibold); }
.btn-primary:hover { background: var(--color-accent-strong); border-color: var(--color-accent-strong); }
.btn-primary:active { transform: translateY(1px); }
.btn-outline { background: transparent; color: var(--color-ink); border-color: var(--color-rule); }
.btn-outline:hover { border-color: var(--color-ink); }
.btn-outline:active { transform: translateY(1px); }
.btn-ghost-dark { background: transparent; color: var(--color-ink-on-dark); border-color: var(--color-rule-on-dark); }
.btn-ghost-dark:hover { border-color: var(--color-ink-on-dark); }
.btn-lg { --_pad-y: 0.95rem; padding-inline: var(--space-6); font-size: var(--text-base); }
.btn-block { display: flex; width: 100%; }

/* WhatsApp-flavoured primary */
.btn-wa { background: var(--color-whatsapp); color: var(--color-wa-ink); border-color: var(--color-whatsapp); font-weight: var(--w-semibold); }
.btn-wa:hover { background: oklch(66% 0.16 152); border-color: oklch(66% 0.16 152); }
.btn-wa:active { transform: translateY(1px); }

/* ----- 5. HEADER / NAV (N1b — wordmark · centred links · CTA) ----- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-fixed);
  background: color-mix(in oklab, var(--color-paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.site-header.scrolled {
  background: color-mix(in oklab, var(--color-paper) 94%, transparent);
  border-bottom-color: var(--color-rule);
}
/* slim utility bar (NAP + socials) */
.header-top-bar {
  background: var(--color-surface-dark); color: var(--color-muted-on-dark);
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.02em;
}
.header-top-content { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding-block: var(--space-2); flex-wrap: wrap; }
.header-top-info { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.header-top-info a { display: inline-flex; align-items: center; gap: var(--space-2); transition: color var(--dur-fast) var(--ease-out); }
.header-top-info a:hover { color: var(--color-accent); }
.header-top-info svg { width: 13px; height: 13px; opacity: 0.8; }
.header-crea { padding: 1px 8px; border: 1px solid var(--color-rule-on-dark); border-radius: var(--radius-sm); letter-spacing: 0.12em; color: var(--color-accent); }
.header-top-socials { display: flex; gap: var(--space-3); }
.header-top-socials a { color: var(--color-muted-on-dark); transition: color var(--dur-fast) var(--ease-out); }
.header-top-socials a:hover { color: var(--color-accent); }
@media (max-width: 40rem) {
  .header-top-info a[href^="mailto"], .header-crea { display: none; }
}

.header-content { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-4); transition: padding var(--dur-base) var(--ease-out); }
.site-header.scrolled .header-content { padding-block: var(--space-3); }

.logo { display: inline-flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.logo img { height: 40px; width: auto; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text b { font-family: var(--font-display); font-weight: var(--w-bold); font-size: 1.15rem; letter-spacing: var(--tracking-tight); color: var(--color-ink); }
.logo-text span { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-muted); margin-top: 3px; }

.main-nav ul { display: flex; gap: var(--space-6); }
.main-nav a {
  position: relative; font-size: var(--text-sm); font-weight: var(--w-medium);
  color: var(--color-ink-2); padding-block: var(--space-2);
  transition: color var(--dur-fast) var(--ease-out);
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--color-accent); transition: width var(--dur-base) var(--ease-out);
}
.main-nav a:hover { color: var(--color-ink); }
.main-nav a:hover::after { width: 100%; }
.header-cta { display: flex; align-items: center; gap: var(--space-3); }

.mobile-menu-toggle { display: none; flex-direction: column; justify-content: space-between; width: 26px; height: 16px; padding: 0; }
.mobile-menu-toggle .hamburger { width: 100%; height: 2px; background: var(--color-ink); border-radius: var(--radius-full); transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out); }
.mobile-menu-toggle.active .hamburger:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle.active .hamburger:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active .hamburger:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----- 6. HERO (full-bleed fotográfico) ----- */
.hero {
  position: relative; overflow: clip;
  min-height: min(92vh, 820px);
  display: grid; grid-template-columns: minmax(0, 1fr); align-content: center;
  padding-top: calc(var(--space-24) + 3rem); padding-bottom: var(--space-16);
}
.hero-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.hero-scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(97deg,
      var(--color-surface-dark) 0%,
      color-mix(in oklab, var(--color-surface-dark) 88%, transparent) 36%,
      color-mix(in oklab, var(--color-surface-dark) 40%, transparent) 66%,
      transparent 100%),
    linear-gradient(to top, color-mix(in oklab, var(--color-surface-dark) 60%, transparent) 0%, transparent 42%);
}
/* blueprint grid, revelado só à direita sobre a imagem */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--color-rule-on-dark) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-rule-on-dark) 1px, transparent 1px);
  background-size: 52px 52px; opacity: 0.14;
  -webkit-mask-image: linear-gradient(90deg, transparent 42%, black 100%);
          mask-image: linear-gradient(90deg, transparent 42%, black 100%);
}
.hero-inner { position: relative; min-width: 0; }
.hero-body { max-width: 41rem; min-width: 0; }
.hero .kicker { color: var(--color-accent); }
.hero .kicker::before { color: var(--color-muted-on-dark); }
.hero-title { font-size: var(--text-display); letter-spacing: var(--tracking-tighter); line-height: 1.02; color: var(--color-ink-on-dark); min-width: 0; text-shadow: 0 1px 30px oklch(20% 0.045 255 / 0.35); }
.hero-title em { font-style: normal; color: var(--color-accent); }
.hero .lede { margin-top: var(--space-6); color: var(--color-muted-on-dark); max-width: 52ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero-trust { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--color-rule-on-dark); display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-muted-on-dark); text-transform: uppercase; }
.hero-trust span { display: inline-flex; align-items: center; gap: var(--space-2); }
.hero-trust span::before { content: ""; width: 6px; height: 6px; background: var(--color-accent); border-radius: var(--radius-full); flex-shrink: 0; }
.hero-caption {
  position: absolute; right: var(--container-pad); bottom: var(--space-5); z-index: 1;
  color: var(--color-ink-on-dark); font-size: var(--text-xs); letter-spacing: 0.04em;
  background: color-mix(in oklab, var(--color-surface-dark) 72%, transparent);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); border-left: 2px solid var(--color-accent);
}

/* ----- 7. CREDENTIAL STRIP (T4 numbered stat strip) ----- */
.stat-strip { border-block: var(--rule-thin); }
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat {
  padding: var(--space-8) var(--space-4); border-top: var(--rule-thin);
}
.stat:nth-child(-n+2) { border-top: 0; }
.stat b { display: block; font-family: var(--font-display); font-size: var(--text-4xl); font-weight: var(--w-bold); color: var(--color-ink); line-height: 1; letter-spacing: var(--tracking-tight); font-variant-numeric: tabular-nums; }
.stat b em { font-style: normal; color: var(--color-accent-strong); }
.stat span { display: block; margin-top: var(--space-3); font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted); }

/* ----- 8. SPLIT STUDIO MODULES ----- */
.split { display: grid; grid-template-columns: 1fr; gap: var(--space-10); align-items: center; }
.split + .split { margin-top: var(--space-20); }
.split-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius-lg); border: var(--rule-thin); }
.split-body h2 { font-size: var(--text-4xl); min-width: 0; }
.split-body p { margin-top: var(--space-4); color: var(--color-ink-2); }
.split-figure { position: relative; }
.split-figure .badge {
  position: absolute; right: var(--space-4); bottom: calc(-1 * var(--space-4));
  background: var(--color-surface-dark); color: var(--color-ink-on-dark);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); border-left: 3px solid var(--color-accent);
}
.split-figure .badge b { display: block; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); }
.split-figure .badge span { font-size: var(--text-sm); font-weight: var(--w-medium); }

/* bullet list — hairline checkmarks */
.check-list { margin-top: var(--space-6); display: grid; grid-template-columns: 1fr; gap: var(--space-3); }
.check-list li { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-ink-2); }
.check-list svg { color: var(--color-accent-strong); flex-shrink: 0; margin-top: 2px; }

/* ----- 9. SERVICES (austere hairline grid, no floaty cards) ----- */
.svc-grid { display: grid; grid-template-columns: 1fr; border-top: var(--rule-thin); }
.svc {
  padding: var(--space-8) 0; border-bottom: var(--rule-thin);
  display: grid; grid-template-columns: 1fr; gap: var(--space-4);
}
.svc-index { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-accent-strong); letter-spacing: 0.05em; }
.svc h3 { font-size: var(--text-2xl); min-width: 0; }
.svc p { color: var(--color-muted); font-size: var(--text-sm); max-width: 60ch; }
.svc-icon { color: var(--color-ink); }

/* ----- 10. PORTFOLIO ----- */
.portfolio-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
.project-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; border: var(--rule-thin); }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.project-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: var(--space-5);
  background: linear-gradient(to top, oklch(20% 0.045 255 / 0.92) 12%, oklch(20% 0.045 255 / 0) 70%);
}
.project-overlay .cat { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); margin-bottom: var(--space-1); }
.project-overlay h3 { color: var(--color-ink-on-dark); font-size: var(--text-lg); }
.project-card:hover img { transform: scale(1.05); }

/* ----- 11. PROCESS (F4 step sequence 01→04) ----- */
.steps { display: grid; grid-template-columns: 1fr; gap: var(--space-8); }
.step { position: relative; padding-top: var(--space-6); border-top: 2px solid var(--color-ink); }
.step-num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-accent-strong); letter-spacing: 0.1em; }
.step h3 { margin: var(--space-3) 0 var(--space-2); font-size: var(--text-lg); }
.step p { font-size: var(--text-sm); color: var(--color-muted); }

/* ----- 12. QUOTE (single, honest attribution) ----- */
.quote { max-width: 46ch; }
.quote blockquote { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: var(--w-medium); line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); color: var(--color-ink-on-dark); }
.quote blockquote::before { content: "\201C"; color: var(--color-accent); }
.quote cite { display: block; margin-top: var(--space-5); font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); font-style: normal; }

/* ----- 13. FAQ ----- */
.faq { max-width: 52rem; margin-inline: auto; border-top: var(--rule-thin); }
.faq-item { border-bottom: var(--rule-thin); }
.faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  padding: var(--space-5) 0; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: var(--w-medium); font-size: var(--text-lg); color: var(--color-ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); font-size: var(--text-2xl); font-weight: var(--w-normal); color: var(--color-accent-strong); transition: transform var(--dur-base) var(--ease-out); line-height: 1; }
.faq-item details[open] summary::after { transform: rotate(45deg); }
.faq-content { padding: 0 0 var(--space-5); font-size: var(--text-sm); color: var(--color-ink-2); max-width: 68ch; }

/* ----- 14. CONTACT (WhatsApp-first, no form) ----- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-12); }
.contact-cta { background: var(--color-surface-dark); color: var(--color-muted-on-dark); border-radius: var(--radius-lg); padding: var(--space-10) var(--space-8); }
.contact-cta h2 { color: var(--color-ink-on-dark); font-size: var(--text-3xl); }
.contact-cta p { margin-top: var(--space-4); }
.contact-cta .btn-wa { margin-top: var(--space-8); }
.contact-cta .alt { margin-top: var(--space-4); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-muted-on-dark); }
.contact-cta .alt a { color: var(--color-accent); }

.contact-info { display: grid; gap: var(--space-6); }
.contact-item { display: flex; gap: var(--space-4); }
.contact-item .ic { width: 40px; height: 40px; flex-shrink: 0; display: grid; place-items: center; border: var(--rule-thin); border-radius: var(--radius-md); color: var(--color-accent-strong); }
.contact-item h4 { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted); margin-bottom: var(--space-1); }
.contact-item p, .contact-item a { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.5; }
.contact-item a:hover { color: var(--color-accent-strong); }
.contact-map { grid-column: 1 / -1; border-radius: var(--radius-lg); overflow: hidden; border: var(--rule-thin); height: 320px; }
.contact-map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.3) contrast(1.05); }

/* ----- 15. FOOTER (Ft4 dense colophon, mono, navy) ----- */
.site-footer { background: var(--color-surface-dark-2); color: var(--color-muted-on-dark); padding-block: var(--space-16) var(--space-8); }
.footer-top { display: grid; grid-template-columns: 1fr; gap: var(--space-10); padding-bottom: var(--space-10); border-bottom: 1px solid var(--color-rule-on-dark); }
.footer-brand .logo-text b { color: var(--color-ink-on-dark); font-size: 1.35rem; }
.footer-wordmark { border-left: 3px solid var(--color-accent); padding-left: var(--space-4); }
.footer-brand p { margin-top: var(--space-5); max-width: 42ch; font-size: var(--text-sm); color: var(--color-muted-on-dark); }
.footer-socials { display: flex; gap: var(--space-3); margin-top: var(--space-6); }
.footer-socials a { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--color-rule-on-dark); border-radius: var(--radius-md); color: var(--color-ink-on-dark); transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.footer-socials a:hover { border-color: var(--color-accent); color: var(--color-accent); }

.colophon { font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.9; letter-spacing: 0.02em; }
.colophon h4 { font-family: var(--font-mono); font-weight: var(--w-medium); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-accent); margin-bottom: var(--space-3); }
.colophon a { color: var(--color-muted-on-dark); }
.colophon a:hover { color: var(--color-ink-on-dark); }
.colophon dl { display: grid; grid-template-columns: auto 1fr; gap: var(--space-1) var(--space-4); }
.colophon dt { color: var(--color-muted); }
.colophon dd { color: var(--color-ink-on-dark); }

.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; padding-top: var(--space-8); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-muted); }
.footer-bottom a { color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-accent); }
.footer-legal { display: flex; gap: var(--space-5); }

/* ----- 16. FLOATING WHATSAPP + MOBILE BAR ----- */
.whatsapp-float {
  position: fixed; right: var(--space-5); bottom: var(--space-5); z-index: var(--z-float);
  width: 54px; height: 54px; border-radius: var(--radius-full);
  background: var(--color-whatsapp); color: var(--color-wa-ink); display: grid; place-items: center;
  box-shadow: var(--shadow-md); transition: transform var(--dur-base) var(--ease-out);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 28px; height: 28px; }

.mobile-cta-bar { display: none; position: fixed; inset: auto 0 0 0; z-index: var(--z-sticky); background: color-mix(in oklab, var(--color-paper) 92%, transparent); backdrop-filter: blur(10px); border-top: var(--rule-thin); padding: var(--space-3) var(--container-pad); }

/* ----- 17. A11Y ----- */
.skip-link { position: absolute; top: -100px; left: var(--space-4); background: var(--color-accent); color: var(--color-accent-ink); padding: var(--space-2) var(--space-4); font-weight: var(--w-semibold); border-radius: var(--radius-sm); z-index: 9999; transition: top var(--dur-fast) var(--ease-out); }
.skip-link:focus { top: var(--space-4); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: var(--radius-sm); }
:focus:not(:focus-visible) { outline: none; }
.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; }

/* ----- 18. REVEAL (single subtle primitive) -----
   Só esconde quando o JS marca <html class="js-reveal">. Sem JS = conteúdo visível. */
.js-reveal [data-animate] { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.js-reveal [data-animate].animated { opacity: 1; transform: none; }

/* ----- 19. RESPONSIVE ----- */
@media (min-width: 40rem) {
  .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .stat { border-top: 0; border-left: var(--rule-thin); }
  .stat:first-child { border-left: 0; }
  .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .check-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc { grid-template-columns: 4rem 1fr; column-gap: var(--space-6); align-items: start; }
  .colophon dl { grid-template-columns: auto 1fr; }
}

@media (min-width: 62rem) {
  h2 { font-size: var(--text-4xl); }
  .section { padding-block: var(--space-24); }
  .hero-body { max-width: 44rem; }
  .split { grid-template-columns: 1fr 1fr; gap: var(--space-16); }
  .split--reverse .split-media { order: 2; }
  .portfolio-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .svc-grid { grid-template-columns: 1fr 1fr; column-gap: var(--space-16); }
  .svc:nth-last-child(-n+1):nth-child(odd) { } /* keep hairlines simple */
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
  .contact-info { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: 1.3fr 1fr 1fr; gap: var(--space-16); }
  .section-head h2 { font-size: var(--text-5xl); }
}

/* desktop nav visible ≥62rem, mobile toggle below */
@media (max-width: 61.99rem) {
  .main-nav {
    position: fixed; inset: 0 0 auto 0; top: 100%;
    background: var(--color-paper); border-bottom: var(--rule-thin);
    padding: var(--space-6) var(--container-pad) var(--space-8);
    transform: translateY(-130%); opacity: 0; visibility: hidden;
    transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out), visibility var(--dur-base);
    box-shadow: var(--shadow-md);
  }
  .main-nav.active { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: var(--space-2); }
  .main-nav a { display: block; font-size: var(--text-lg); padding-block: var(--space-3); }
  .header-cta .btn { display: none; }
  .mobile-menu-toggle { display: flex; }
  .mobile-cta-bar { display: block; }
  .whatsapp-float { bottom: calc(var(--space-5) + 64px); }
  body { padding-bottom: 72px; }
  /* scrim vertical + mais escuro: texto full-width legível sobre a imagem */
  .hero-scrim {
    background: linear-gradient(to top,
      var(--color-surface-dark) 0%,
      color-mix(in oklab, var(--color-surface-dark) 84%, transparent) 46%,
      color-mix(in oklab, var(--color-surface-dark) 48%, transparent) 100%);
  }
  .hero::after { -webkit-mask-image: none; mask-image: none; opacity: 0.08; }
}

@media (max-width: 40rem) {
  .stat b { font-size: var(--text-3xl); }
  .hero { min-height: auto; }
  .hero-title { font-size: clamp(1.85rem, 8vw, 2.6rem); line-height: 1.06; }
  .hero .lede { font-size: var(--text-base); }
}

/* ----- 20. REDUCED MOTION ----- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  html { scroll-behavior: auto; }
  [data-animate] { transition: opacity 140ms linear; transform: none; }
  .project-card:hover img { transform: none; }
}