/* ═══════════ PERFORMANCE OPTIMIZATIONS ═══════════ */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img, video, svg, iframe { max-width: 100%; height: auto; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
/* ═══════════════════════════════════════════════════════════ */

/* ===================================================================
   Grupo Vicom Engenharia
   Folha de estilo principal — design minimalista e técnico
   =================================================================== */

/* === VARIÁVEIS === */
:root {
  --primary:       #FF2B00;
  --primary-hover: #E02600;
  --primary-soft:  rgba(255, 43, 0, 0.10);
  --secondary:     #1C1C1C;
  --accent:        #246FA9;
  --bg:            #FAFAFA;
  --surface:       #FFFFFF;
  --surface-alt:   #F4F4F6;
  --dark:          #0D0D0D;
  --text:          #1A1A1A;
  --text-muted:    #6B7280;
  --inverse:       #FFFFFF;
  --line:          #E5E7EB;
  --cta:           #25D366;
  --cta-hover:     #1EBF5A;

  --sans:    "Inter", system-ui, sans-serif;
  --heading: "Sora", "Inter", sans-serif;

  --container: 1200px;
  --header-h: 76px;
}

/* === RESET === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* === ELEMENTOS COMPARTILHADOS === */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.label {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.label-primary       { color: var(--primary); }
.label-primary-light { color: var(--primary); }

.section-title {
  font-family: var(--heading);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--secondary);
  margin-top: 14px;
}

.section-intro {
  max-width: 600px;
  margin-top: 18px;
}

.body-text {
  font-size: 17px;
  font-weight: 400;
  color: var(--text-muted);
}

.body-text + .body-text {
  margin-top: 18px;
}

/* Botões — sólidos, radius pequeno, sem gradiente nem sombra pesada */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--inverse);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-cta {
  background-color: var(--cta);
  color: var(--inverse);
}

.btn-cta:hover {
  background-color: var(--cta-hover);
}

.btn-ghost {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--inverse);
}

.btn-ghost:hover {
  background-color: var(--inverse);
  border-color: var(--inverse);
  color: var(--secondary);
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, -webkit-backdrop-filter 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(13, 13, 13, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: 38px;
  width: auto;
  display: block;
  transition: opacity 0.3s ease;
}

/* Logo branca no topo (menu transparente), logo escura ao rolar */
.brand-logo-dark {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
}

.site-header.scrolled .brand-logo-light {
  opacity: 0;
}

.site-header.scrolled .brand-logo-dark {
  opacity: 1;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-header.scrolled .nav-link {
  color: var(--text);
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-cta .btn {
  padding: 9px 18px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 80;
  color: var(--inverse);
  padding: 8px 6px;
}

.site-header.scrolled .menu-toggle {
  color: var(--secondary);
}

.menu-toggle.open {
  color: var(--secondary);
}

.menu-bar {
  display: block;
  width: 26px;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.25s ease;
}

.menu-bar + .menu-bar {
  margin-top: 6px;
}

.menu-toggle.open .menu-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.open .menu-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open .menu-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* === BACKDROP DO MENU MOBILE === */
.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 55;
  background-color: rgba(13, 13, 13, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* === HERO / SLIDER === */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--dark);
  overflow: hidden;
}

/* Grade técnica sutil que esvanece para a direita */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 66px 66px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 55%);
          mask-image: linear-gradient(90deg, transparent, #000 55%);
}

.hero-slides {
  position: relative;
  width: 100%;
  min-height: inherit;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 40px) 0 190px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Ken Burns sutil na imagem do slide ativo */
.hero-slide.is-active .hero-bg img {
  animation: kenburns 9s ease-out forwards;
}

@keyframes kenburns {
  from { transform: scale(1.1); }
  to   { transform: scale(1); }
}

/* Vinheta radial para profundidade */
.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(125% 125% at 82% 8%, transparent 42%, rgba(13, 13, 13, 0.6) 100%);
}

/* Overlay direcional para legibilidade do texto à esquerda */
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    95deg,
    rgba(13, 13, 13, 0.95) 0%,
    rgba(13, 13, 13, 0.82) 36%,
    rgba(13, 13, 13, 0.42) 68%,
    rgba(13, 13, 13, 0.08) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 4;
}

.hero-text {
  max-width: 700px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.hero-kicker-line {
  display: inline-block;
  width: 42px;
  height: 2px;
  background-color: var(--primary);
}

.hero-title {
  font-family: var(--heading);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--inverse);
  margin-top: 22px;
}

.hero-accent {
  color: var(--primary);
}

.hero-lead {
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.74);
  max-width: 540px;
  margin-top: 22px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

/* Entrada do texto em stagger ao ativar o slide */
.hero-slide .hero-text > * {
  opacity: 0;
  transform: translateY(26px);
}

.hero-slide.is-active .hero-text > * {
  animation: heroIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-slide.is-active .hero-text > *:nth-child(1) { animation-delay: 0.15s; }
.hero-slide.is-active .hero-text > *:nth-child(2) { animation-delay: 0.28s; }
.hero-slide.is-active .hero-text > *:nth-child(3) { animation-delay: 0.42s; }
.hero-slide.is-active .hero-text > *:nth-child(4) { animation-delay: 0.56s; }

@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

/* === RODAPÉ DO HERO: NAVEGAÇÃO + EXPLORAR === */
.hero-foot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  padding-bottom: 30px;
  background: linear-gradient(to top, rgba(13, 13, 13, 0.6), transparent);
}

.hero-foot-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}

.hero-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 215px));
  gap: 16px;
  flex: 1;
}

.hero-tab {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-top: 16px;
  text-align: left;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  opacity: 0.55;
  transition: opacity 0.3s ease, border-color 0.3s ease;
}

.hero-tab:hover {
  opacity: 1;
}

.hero-tab.is-active {
  opacity: 1;
  border-top-color: rgba(255, 255, 255, 0.42);
}

.hero-tab-num {
  font-family: var(--heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--primary);
}

.hero-tab-info {
  flex: 1;
  min-width: 0;
}

.hero-tab-title {
  display: block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--inverse);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-tab-bar {
  display: block;
  height: 2px;
  margin-top: 12px;
  background-color: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.hero-tab-fill {
  display: block;
  width: 0;
  height: 100%;
  background-color: var(--primary);
}

.hero-tab.is-active .hero-tab-fill {
  animation: tabFill 5s linear forwards;
}

@keyframes tabFill {
  from { width: 0; }
  to   { width: 100%; }
}

.hero-scroll {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
  padding-bottom: 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.hero-scroll:hover {
  color: var(--inverse);
}

.hero-scroll-icon {
  display: inline-flex;
  animation: scrollBounce 1.8s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(5px); }
}

/* === SOBRE NÓS === */
.about {
  background-color: var(--surface);
  padding: clamp(64px, 9vw, 120px) 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.about-text .body-text {
  margin-top: 22px;
}

.stat-card {
  margin-top: 38px;
  padding: 26px 28px;
  background-color: var(--surface-alt);
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
}

.stat-number {
  display: block;
  font-family: var(--heading);
  font-weight: 800;
  font-size: clamp(38px, 5vw, 52px);
  line-height: 1;
  color: var(--secondary);
}

.stat-label {
  display: block;
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 8px;
  max-width: 360px;
}

.about-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-figure {
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line);
  background-color: var(--surface-alt);
  aspect-ratio: 1 / 1;
}

.about-figure-lg {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 10;
}

.about-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-figure:hover img {
  transform: scale(1.04);
}

/* === POR QUE ESCOLHER === */
.why {
  background-color: var(--bg);
  padding: clamp(64px, 9vw, 120px) 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.why-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 34px 32px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.why-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}

.why-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 10px;
  background-color: var(--primary-soft);
  color: var(--primary);
}

.why-title {
  font-family: var(--heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--secondary);
  margin: 20px 0 8px;
}

.why-text {
  font-size: 15.5px;
  color: var(--text-muted);
}

/* === PRODUTOS === */
.products {
  background-color: var(--surface);
  padding: clamp(64px, 9vw, 120px) 0;
}

.tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 40px;
  padding: 6px;
  background-color: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.tab {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--text-muted);
  padding: 11px 22px;
  border-radius: 7px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tab:hover {
  color: var(--secondary);
}

.tab.is-active {
  background-color: var(--surface);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(13, 13, 13, 0.06);
}

.tab-panel {
  margin-top: 36px;
}

.tab-panel[hidden] {
  display: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.product-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}

.product-media {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  margin-bottom: 18px;
  border-radius: 8px;
  background-color: var(--surface-alt);
  overflow: hidden;
}

.product-media img {
  max-width: 78%;
  max-height: 78%;
  width: auto;
  object-fit: contain;
}

.badge {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background-color: var(--primary-soft);
  padding: 5px 11px;
  border-radius: 999px;
}

.product-title {
  font-family: var(--heading);
  font-weight: 600;
  font-size: 19px;
  color: var(--secondary);
  margin: 12px 0 8px;
}

.product-text {
  font-size: 15px;
  color: var(--text-muted);
}

/* Ficha técnica */
.spec-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.spec-table {
  font-family: var(--sans);
  font-size: 15px;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}

.spec-table thead th {
  font-family: var(--heading);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--inverse);
  background-color: var(--secondary);
}

.spec-table tbody td:first-child {
  font-weight: 600;
  color: var(--secondary);
}

.spec-table tbody td {
  font-family: var(--sans);
  color: var(--text-muted);
}

.spec-table tbody tr:nth-child(even) {
  background-color: var(--surface-alt);
}

.spec-table tbody tr:last-child td {
  border-bottom: none;
}

.spec-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.6;
}

/* === VÍDEOS / STORYTELLING (DARK) === */
.story {
  background-color: var(--dark);
  padding: clamp(72px, 10vw, 130px) 0;
}

.story-inner {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 64px;
  align-items: center;
}

.story-title {
  font-family: var(--heading);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--inverse);
  margin-top: 14px;
  max-width: 680px;
}

.story-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.66);
  margin-top: 20px;
  max-width: 620px;
}

.story-text .btn-ghost {
  margin-top: 30px;
}

.story-figure {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(255, 255, 255, 0.03);
  aspect-ratio: 4 / 5;
}

.story-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* === FOOTER === */
.site-footer {
  background-color: var(--secondary);
  color: var(--inverse);
  padding-top: 64px;
  border-top: 3px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr 1.3fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  display: inline-block;
  line-height: 0;
}

.footer-logo img {
  width: 210px;
  height: auto;
}

.footer-about {
  font-weight: 400;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
  margin-top: 18px;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 18px;
  transition: color 0.2s ease;
}

.footer-social:hover {
  color: var(--primary);
}

.footer-heading {
  font-family: var(--heading);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--inverse);
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 9px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--inverse);
}

.footer-info {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
}

.footer-info a {
  transition: color 0.2s ease;
}

.footer-info a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 24px;
}

.footer-copy,
.footer-credit {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-credit a {
  color: var(--primary);
  transition: color 0.2s ease;
}

.footer-credit a:hover {
  color: var(--inverse);
}

/* === WHATSAPP FLUTUANTE === */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: var(--cta);
  color: var(--inverse);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s ease;
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: var(--cta);
  z-index: -1;
  animation: wa-pulse 2.2s ease-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

@keyframes wa-pulse {
  0%   { transform: scale(1);   opacity: 0.6; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* === ANIMAÇÕES === */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
}

.reveal.is-visible {
  animation: fade-up 0.7s ease forwards;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .reveal.is-visible { opacity: 1; animation: none; }
  .about-figure img { transition: none; }
  .whatsapp-float::before { animation: none; }
  .hero-slide.is-active .hero-bg img { animation: none; }
  .hero-slide .hero-text > *,
  .hero-slide.is-active .hero-text > * {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .hero-tab.is-active .hero-tab-fill { animation: none; width: 100%; }
  .hero-scroll-icon { animation: none; }
}

/* === RESPONSIVO — TABLET (até 1024px) === */
@media (max-width: 1024px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .why-grid {
    grid-template-columns: 1fr 1fr;
  }

  .story-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .story-visual {
    max-width: 460px;
    order: 2;
  }
}

/* === RESPONSIVO — MOBILE (até 768px) === */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    width: min(80vw, 320px);
    background-color: var(--surface);
    box-shadow: -14px 0 44px rgba(13, 13, 13, 0.22);
    padding: 96px 0 32px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 28px;
  }

  .main-nav .nav-link,
  .site-header.scrolled .main-nav .nav-link {
    display: block;
    padding: 16px 0;
    color: var(--text);
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 20px;
  }

  .nav-cta .btn {
    display: flex;
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .hero-slide {
    padding: calc(var(--header-h) + 36px) 0 130px;
  }

  .hero-slide::after {
    background: linear-gradient(
      170deg,
      rgba(13, 13, 13, 0.92) 0%,
      rgba(13, 13, 13, 0.78) 60%,
      rgba(13, 13, 13, 0.55) 100%
    );
  }

  .hero-grid { display: none; }

  .hero-foot-inner {
    align-items: center;
  }

  .hero-nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .hero-tab {
    gap: 8px;
    padding-top: 12px;
  }

  .hero-tab-title { display: none; }

  .hero-scroll { display: none; }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .tabs {
    display: flex;
    width: 100%;
  }

  .tab {
    flex: 1;
    padding: 11px 12px;
    text-align: center;
  }

  .spec-table {
    font-size: 13.5px;
  }

  .spec-table th,
  .spec-table td {
    padding: 12px 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* === RESPONSIVO — MOBILE PEQUENO (até 480px) === */
@media (max-width: 480px) {
  .about-gallery {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .spec-table thead {
    font-size: 11px;
  }
}