/* ==========================================================================
   TRINETOS — máquinas industriais e acessórios
   Estética: cinza claro e azul; header e footer pretos
   ========================================================================== */

:root {
  --bg: #D1D5DB;
  --bg-raised: #E5E7EB;
  --bg-card: #F3F4F6;
  --line: #9CA3AF;
  --line-strong: #6B7280;
  --ink: #1E3A8A;
  --ink-dim: #1D4ED8;
  --accent: #2563EB;
  --accent-bright: #1D4ED8;
  --accent-ink: #FFFFFF;

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-body: "Archivo", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --container: 1200px;
  --header-h: 72px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

/* Snap nativo apenas em ecrãs táteis; no rato é o JS que controla
   (evita que o snap nativo "lute" com o scroll suave programático). */
@media (hover: none) and (pointer: coarse) {
  html { scroll-snap-type: y proximity; }
}

.hero,
.section,
.site-footer {
  scroll-snap-align: start;
  scroll-margin-top: var(--header-h);
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Textura de ruído subtil sobre toda a página */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

.container {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}

/* Faixa de perigo (hazard stripes) */
.hazard-strip {
  height: 10px;
  background: repeating-linear-gradient(
    -45deg,
    var(--accent) 0 14px,
    var(--bg) 14px 28px
  );
}

/* ==========================================================================
   Botões
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border: 2px solid var(--accent);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-accent:hover {
  background: transparent;
  color: var(--accent-bright);
  transform: translateX(4px);
}

.btn-arrow { transition: transform 0.25s var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(6px); }

.btn-block { width: 100%; justify-content: center; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #000000;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.header-inner {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  color: var(--accent);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 92px;
  min-width: 92px;
  height: 54px;
  overflow: hidden;
  border-radius: 0;
  line-height: 0;
}

.brand-mark img {
  display: block;
  width: 92px;
  height: 54px;
  object-fit: contain;
  object-position: center;
  border-radius: 0;
  flex: 0 0 auto;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.08em;
  line-height: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.brand-text small {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  text-transform: uppercase;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink-dim);
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); }

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--accent-bright);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s;
}

.header-phone:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

/* Menu hambúrguer */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero / Carrossel
   ========================================================================== */

.hero {
  position: relative;
  padding-top: var(--header-h);
  min-height: 100vh;
  min-height: 100dvh;
  height: auto;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, color-mix(in srgb, var(--accent) 7%, transparent), transparent),
    var(--bg);
}

/* Grelha de desenho técnico no fundo */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 75%);
}

.carousel {
  position: relative;
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
  flex: 1 1 auto;
  min-height: clamp(360px, 60vh, 640px);
  display: flex;
  flex-direction: column;
}

.carousel-track {
  position: relative;
  flex: 1 1 auto;
  min-height: 480px;
  touch-action: pan-y;
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

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

.slide-content { padding: 4rem 0; }

.slide-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 1.25rem;
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.5vw, 4.8rem);
  line-height: 0.98;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  margin-bottom: 1.5rem;
}

.slide-title em {
  font-style: normal;
  color: var(--accent);
  -webkit-text-stroke: 0;
}

/* Título do slide ligado ao produto */
.slide-title-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}
.slide-title-link:hover { color: var(--accent); }

.slide-desc {
  max-width: 46ch;
  color: var(--ink-dim);
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
}

.slide-price {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--accent-bright);
  margin-bottom: 1.9rem;
}

.slide-price small {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Entrada escalonada do conteúdo do slide ativo */
.slide.is-active .slide-tag,
.slide.is-active .slide-title,
.slide.is-active .slide-desc,
.slide.is-active .slide-price,
.slide.is-active .btn {
  animation: slide-up 0.7s var(--ease-out) both;
}
.slide.is-active .slide-title  { animation-delay: 0.08s; }
.slide.is-active .slide-desc   { animation-delay: 0.16s; }
.slide.is-active .slide-price  { animation-delay: 0.22s; }
.slide.is-active .btn          { animation-delay: 0.28s; }

@keyframes slide-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-art {
  color: var(--line-strong);
  justify-self: center;
  width: min(380px, 100%);
  display: block;
  text-decoration: none;
}

.slide-art--banner {
  width: min(760px, 100%);
}

.slide.is-active .slide-art {
  animation: art-in 0.9s var(--ease-out) 0.15s both;
}

@keyframes art-in {
  from { opacity: 0; transform: translateX(32px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

.slide-svg :first-child { color: var(--line-strong); }
.slide-art svg path:first-of-type { stroke: var(--accent); opacity: 0.85; }

/* UI do carrossel */
.carousel-ui {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem 0 2.5rem;
  border-top: 1px solid var(--line);
}

.carousel-counter {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-dim);
}

.carousel-counter #carousel-current { color: var(--accent-bright); font-weight: 600; }

.counter-bar {
  display: block;
  width: 120px;
  height: 2px;
  background: var(--line-strong);
  overflow: hidden;
}

.counter-progress {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.2s linear;
}

.carousel-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.carousel-btn:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.carousel-dots { display: flex; gap: 0.6rem; }

.carousel-dots button {
  width: 26px;
  height: 4px;
  border: none;
  background: var(--line-strong);
  cursor: pointer;
  transition: background 0.25s;
}

.carousel-dots button.is-active { background: var(--accent); }
.carousel-dots button:hover:not(.is-active) { background: var(--ink-dim); }

/* ==========================================================================
   Marquee de especialidades
   ========================================================================== */

.specialties {
  width: 100%;
  border-block: 1px solid var(--line);
  background: var(--bg-raised);
  overflow: hidden;
  flex-shrink: 0;
}

.marquee {
  padding: 1.1rem 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  min-width: 100%;
  animation: marquee 36s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  white-space: nowrap;
  margin-right: 2.5rem;
}

.marquee-track i {
  font-style: normal;
  color: var(--accent);
  font-size: 0.6rem;
  margin-right: 2.5rem;
}


/* ==========================================================================
   Secções genéricas
   ========================================================================== */

.section { min-height: 100vh; min-height: 100dvh; padding: 6.5rem 0; }

.section-head { max-width: 720px; margin-bottom: 3.5rem; }

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-bright);
  margin-bottom: 0.9rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 1.1rem;
}

.section-lede { color: var(--ink-dim); font-size: 1.05rem; }

/* Animação de revelação ao scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Catálogo
   ========================================================================== */

.catalog { background: var(--bg); }

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.filter-btn:hover { border-color: var(--accent); color: var(--ink); }

.filter-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

a.cat-card {
  text-decoration: none;
  color: inherit;
}

.cat-card {
  position: relative;
  background: var(--bg-card);
  padding: 2rem 1.6rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: background 0.3s var(--ease-out);
  overflow: hidden;
}

.cat-card.is-hidden { display: none; }

.cat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.cat-card:hover { background: color-mix(in srgb, var(--accent) 8%, var(--bg-card)); }
.cat-card:hover::before { transform: scaleX(1); }

.cat-ref {
  position: absolute;
  top: 1.1rem;
  right: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  opacity: 0.7;
}

.cat-icon {
  width: 52px;
  height: 52px;
  color: var(--accent);
  transition: transform 0.35s var(--ease-out);
}

.cat-card:hover .cat-icon { transform: translateY(-4px); }

.cat-card h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.08rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  overflow-wrap: break-word;
  hyphens: auto;
}

.cat-card p {
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.55;
}

.catalog-cta {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.catalog-note {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink-dim);
}

.catalog-note a {
  color: var(--accent-bright);
  text-decoration-color: color-mix(in srgb, var(--accent) 50%, transparent);
  text-underline-offset: 4px;
}

/* ==========================================================================
   Slider das instalações (topo da página)
   ========================================================================== */

.top-banner {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: calc(var(--header-h) + 1.75rem);
  scroll-snap-align: start;
}

/* Slider centrado no espaço livre; faixa + marquee ficam no fundo da secção */
.top-banner .container {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.top-banner .section-head { margin-bottom: 1.75rem; }

.top-banner .about-banner { margin-bottom: 1.75rem; }

/* O hero já não fica sob o header (o slider vem antes): cabe na janela útil */
.top-banner + .hero {
  padding-top: 2rem;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
}

/* ==========================================================================
   Sobre
   ========================================================================== */

.about-banner {
  position: relative;
  margin: 0 0 3.5rem;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-card);
}

.about-banner::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
}

.about-banner img {
  display: block;
  width: 100%;
  height: clamp(220px, 38vw, 460px);
  object-fit: cover;
  filter: saturate(1.04);
}

.about-slider {
  overflow: hidden;
  width: 100%;
}

.about-track {
  display: flex;
  width: 300%;
  animation: aboutSlide 18s ease-in-out infinite;
}

.about-track img {
  flex: 0 0 33.333%;
  width: 33.333%;
}

@keyframes aboutSlide {
  0%, 28%    { transform: translateX(0); }
  33%, 61%   { transform: translateX(-33.333%); }
  66%, 94%   { transform: translateX(-66.666%); }
  100%       { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .about-track { animation: none; }
}

.about-banner figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 2.5rem 1.75rem 1.4rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.6rem);
  letter-spacing: 0.02em;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0));
}

.about-banner-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  margin-bottom: 0.55rem;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: start;
}

.about-text p { margin-bottom: 1.1rem; color: var(--ink-dim); }
.about-text p strong { color: var(--ink); }

.about-points {
  list-style: none;
  margin-top: 1.75rem;
  display: grid;
  gap: 0.75rem;
}

.about-points li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-weight: 500;
  border-left: 2px solid var(--line-strong);
  padding-left: 1rem;
  transition: border-color 0.2s;
}

.about-points li:hover { border-color: var(--accent); }
.about-points li span { color: var(--accent); }

.about-stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.stat {
  background: var(--bg-card);
  padding: 1.9rem 1.7rem;
  display: grid;
  gap: 0.3rem;
}

.stat strong {
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 1;
  color: var(--accent);
}

.stat span {
  color: var(--ink-dim);
  font-size: 0.92rem;
}

/* ==========================================================================
   Contactos
   ========================================================================== */

.contacts {
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
}

.contacts-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem 2rem;
  margin-bottom: 2rem;
}

.contact-item dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-bright);
  margin-bottom: 0.45rem;
}

.contact-item dd { font-size: 0.98rem; line-height: 1.55; }
.contact-item dd a { color: var(--ink); text-underline-offset: 4px; text-decoration-color: var(--line-strong); }
.contact-item dd a:hover { text-decoration-color: var(--accent); }
.contact-item dd small { color: var(--ink-dim); font-size: 0.78rem; }

.contact-map {
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(1) invert(0.9) contrast(0.9);
}

/* Formulário */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 2.25rem;
  display: grid;
  gap: 1.4rem;
}

.form-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-bright);
}

.form-row { display: grid; gap: 0.5rem; }

.form-row-split {
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-row-split > div { display: grid; gap: 0.5rem; }

.contact-form label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.contact-form label span { color: var(--accent); }

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  padding: 0.8rem 1rem;
  transition: border-color 0.2s;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #3B82F6; opacity: .75; }

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  font-size: 0.78rem;
  color: var(--ink-dim);
  font-family: var(--font-mono);
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-q {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
}

.faq-q::-webkit-details-marker { display: none; }

.faq-q::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  padding: 0 0 1.4rem;
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-a a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ==========================================================================
   Cookie bar
   ========================================================================== */

.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: var(--bg-raised);
  border-top: 2px solid var(--accent);
  padding: 1rem 0;
  box-shadow: 0 -4px 32px rgba(0,0,0,.25);
}

.cookie-bar-inner {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-bar-text {
  flex: 1;
  min-width: 200px;
  font-size: .83rem;
  color: var(--ink-dim);
  line-height: 1.55;
}

.cookie-bar-btns {
  display: flex;
  gap: .6rem;
  flex-shrink: 0;
}

.cookie-btn {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .5rem 1.1rem;
  border: 1px solid;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s;
}

.cookie-btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.cookie-btn--primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
}

.cookie-btn--secondary {
  background: transparent;
  color: var(--ink-dim);
  border-color: var(--line-strong);
}

.cookie-btn--secondary:hover {
  border-color: var(--accent);
  color: var(--ink);
}

/* ==========================================================================
   Footer
   ========================================================================== */

/* Footer escuro sobre tema claro (como no site original) — cores próprias */
.site-footer {
  background: #000000;
  scroll-snap-align: start;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 3rem;
  padding: 4rem 0 3rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.08em;
  color: #BFDBFE;
  margin-bottom: 0.75rem;
}

.footer-brand p { color: #93C5FD; }
.footer-brand p:last-child { color: #6EA8FE; font-size: 0.92rem; }

.footer-nav {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.footer-nav a,
.footer-contacts a,
.footer-contacts span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #93C5FD;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-contacts a:hover { color: #60A5FA; }

.footer-contacts {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid #1F2937;
  font-size: 0.82rem;
  color: #6EA8FE;
}

.footer-mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: #6EA8FE;
}

/* ==========================================================================
   Responsivo
   ========================================================================== */

@media (max-width: 1024px) {
  .catalog-grid { grid-template-columns: repeat(3, 1fr); }
  .slide-title { font-size: clamp(2.4rem, 7vw, 4rem); }
}

@media (max-width: 1200px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.5rem 1.25rem;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s var(--ease-out), opacity 0.3s, visibility 0.3s;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link { padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
  .nav-link::after { display: none; }

  .nav-toggle { display: flex; margin-left: auto; }
  .header-phone span { display: none; }
  .header-phone { border: none; padding: 0.5rem; }

  .carousel-track { min-height: 220px; }

  .slide {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 0;
  }

  .slide-content { padding: 2.5rem 0 1rem; }
  .slide-art { width: min(240px, 60%); opacity: 0.5; order: -1; margin-top: 2rem; }

  .about-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .contacts-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
  .catalog-grid { grid-template-columns: 1fr 1fr; }
  .section { min-height: 100vh; min-height: 100dvh; padding: 4.5rem 0; }
  .carousel-ui { flex-direction: column; align-items: stretch; gap: 1rem; }
  .carousel-controls { justify-content: space-between; }
  .form-row-split { grid-template-columns: 1fr; }
  .contact-list { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .catalog-grid { grid-template-columns: 1fr; }
  .brand-text small { display: none; }
}

/* ==========================================================================
   Página de catálogo completo (catalogo.html)
   ========================================================================== */

.nav-link.is-current { color: var(--ink); }
.nav-link.is-current::after { transform: scaleX(1); }

.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 4.5rem) 0 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent),
    var(--bg);
}

.page-hero .container { position: relative; padding-bottom: 3.5rem; }

.breadcrumb {
  display: flex;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  margin-bottom: 1.75rem;
}

.breadcrumb a { color: var(--ink-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-bright); }
.breadcrumb span:last-child { color: var(--accent-bright); }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.98;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  margin-bottom: 1.25rem;
}

.page-title em { font-style: normal; color: var(--accent); }

.page-lede {
  max-width: 58ch;
  color: var(--ink-dim);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* Barra de pesquisa */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  max-width: 640px;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  padding: 0.35rem 1.1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.search-bar svg { color: var(--ink-dim); flex-shrink: 0; }

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0;
}

.search-bar input:focus { outline: none; }
.search-bar input::placeholder { color: #3B82F6; opacity: .75; }
.search-bar input::-webkit-search-cancel-button { display: none; }

.search-clear {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: color 0.2s, border-color 0.2s;
}

.search-clear:hover { color: var(--accent-bright); border-color: var(--accent); }

/* Chips de categoria */
.catalog-page { padding-top: 3.5rem; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.75rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  padding: 0.55rem 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.chip small {
  font-size: 0.7rem;
  color: var(--accent-bright);
  margin-left: 0.3rem;
}

.chip:hover { border-color: var(--accent); color: var(--ink); }

.chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.chip.is-active small { color: var(--accent-ink); }

.results-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  margin-bottom: 1.5rem;
}

/* Grelha de artigos */
.items-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.item-card {
  position: relative;
  background: var(--bg-card);
  padding: 1.6rem 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: background 0.3s var(--ease-out);
  overflow: hidden;
}

.item-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.item-card:hover { background: color-mix(in srgb, var(--accent) 8%, var(--bg-card)); }
.item-card:hover::before { transform: scaleX(1); }

.item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.item-icon { width: 40px; height: 40px; color: var(--accent); }
.item-icon svg { width: 100%; height: 100%; }

.item-ref {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  opacity: 0.7;
}

.item-card h3 {
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.35;
  overflow-wrap: break-word;
  hyphens: auto;
}

.item-card > p {
  color: var(--ink-dim);
  font-size: 0.9rem;
  line-height: 1.55;
  flex: 1;
}

.item-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
  margin-top: 0.3rem;
}

/* Adicionar ao carrinho (loja online) */
.item-buy {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.item-buy input[type="number"] {
  width: 64px;
  padding: 0.45rem 0.4rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
}

.item-buy button {
  flex: 1;
  padding: 0.45rem 0.75rem;
  background: var(--accent);
  color: var(--accent-ink);
  border: 2px solid var(--accent);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.item-buy button:hover {
  background: transparent;
  color: var(--accent);
}

.item-price {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--accent-bright);
  margin-bottom: 0.15rem;
}

.item-price small {
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}

.item-price--ask {
  color: var(--ink-dim);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.item-cat {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.item-quote {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  gap: 0.4rem;
  white-space: nowrap;
}

.item-quote span { color: var(--accent); transition: transform 0.25s var(--ease-out); }
.item-quote:hover span { transform: translateX(4px); }

.catalog-page .catalog-note { margin-top: 2.25rem; }

/* Sem resultados */
.no-results {
  text-align: center;
  padding: 4rem 1.5rem;
  border: 1px dashed var(--line-strong);
}

.no-results-mark {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1rem;
}

.no-results h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.no-results p {
  color: var(--ink-dim);
  max-width: 48ch;
  margin: 0 auto 1.75rem;
}

.no-results a { color: var(--accent-bright); }

@media (max-width: 1024px) {
  .items-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .items-grid { grid-template-columns: 1fr; }
  .chips { gap: 0.45rem; }
  .chip { padding: 0.5rem 0.75rem; font-size: 0.72rem; }
}

/* ==========================================================================
   Acessibilidade — movimento reduzido
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   Extensões — site dinâmico (PHP): produtos, login, paginação, feedback
   ========================================================================== */

/* Botão de login no header */
.header-login {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--accent-ink);
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.header-login:hover { background: transparent; color: var(--accent-bright); }

@media (max-width: 1200px) {
  .header-login { padding: 0.45rem 0.7rem; font-size: 0.74rem; }
}

/* Título de slide gerado a partir da BD (descrições longas) */
.slide-title--dyn {
  font-size: clamp(1.7rem, 4.5vw, 3.1rem);
  line-height: 1.05;
}

/* Imagem de produto no cartão do catálogo */
.item-media {
  margin: -1.6rem -1.6rem 0.4rem;
  height: 180px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.item-media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  padding: 0.6rem;
}

/* Badge de stock */
.stock-badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border: 1px solid;
  white-space: nowrap;
}

.stock-in  { color: #10B981; border-color: color-mix(in srgb, #10B981 45%, transparent); }
.stock-out { color: #DC2626; border-color: color-mix(in srgb, #DC2626 45%, transparent); }

/* Botão de partilha */
.item-share {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.item-share:hover { color: var(--accent-bright); border-color: var(--accent); }
.item-share svg { width: 13px; height: 13px; pointer-events: none; }

/* Paginação */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--ink-dim);
  background: none;
  border: 1px solid var(--line-strong);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.page-btn:hover { border-color: var(--accent); color: var(--ink); }

.page-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.page-btn.is-disabled { opacity: 0.35; pointer-events: none; }
.page-sep { color: var(--ink-dim); font-family: var(--font-mono); padding: 0 0.2rem; }

.page-info {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 1rem;
}

/* Pesquisa: botão submeter */
.search-go {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
}

.search-go:hover { background: var(--accent-bright); }

/* Feedback de formulários */
.form-feedback {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.85rem 1.1rem;
  border: 1px solid;
}

.form-feedback.ok      { color: #10B981; border-color: color-mix(in srgb, #10B981 45%, transparent); background: color-mix(in srgb, #10B981 8%, transparent); }
.form-feedback.err     { color: #DC2626; border-color: color-mix(in srgb, #DC2626 45%, transparent); background: color-mix(in srgb, #DC2626 8%, transparent); }
.form-feedback.invalid { color: #D97706; border-color: color-mix(in srgb, #D97706 45%, transparent); background: color-mix(in srgb, #D97706 8%, transparent); }

/* Toast (partilha de produto) */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.6rem 1.4rem;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  white-space: nowrap;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ==========================================================================
   Página de login
   ========================================================================== */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-h);
  background:
    radial-gradient(ellipse 80% 60% at 70% 10%, color-mix(in srgb, var(--accent) 7%, transparent), transparent),
    var(--bg);
  position: relative;
}

.auth-wrap {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 3.5rem 1.5rem;
  position: relative;
}

.auth-card {
  width: min(440px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 2.5rem 2.25rem;
  display: grid;
  gap: 1.4rem;
  position: relative;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 2.1rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.auth-title em { font-style: normal; color: var(--accent); }

.auth-sub { color: var(--ink-dim); font-size: 0.95rem; }

.auth-card label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.auth-card input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  padding: 0.8rem 1rem;
  transition: border-color 0.2s;
}

.auth-card input::placeholder { color: #3B82F6; opacity: .75; }
.auth-card input:focus { outline: none; border-color: var(--accent); }

.auth-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-dim);
  margin-top: 0.3rem;
}

.auth-demo {
  border: 1px dashed var(--line-strong);
  padding: 0.9rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-dim);
  line-height: 1.8;
}

.auth-demo strong { color: var(--ink); }
.auth-demo .tag { color: var(--accent-bright); }

.auth-back {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.auth-back a { color: var(--ink-dim); text-decoration: none; }
.auth-back a:hover { color: var(--accent-bright); }

/* ==========================================================================
   Faixas escuras (header preto, menu móvel) — texto azul claro próprio,
   independente dos tokens do tema claro
   ========================================================================== */

.site-header { border-bottom-color: #1F2937; }
.site-header .brand { color: #DBEAFE; }
.site-header .brand-text small { color: #93C5FD; }
.site-header .nav-link { color: #93C5FD; }
.site-header .nav-link:hover,
.site-header .nav-link.is-current { color: #DBEAFE; }
.site-header .header-phone { color: #60A5FA; border-color: #334155; }
.site-header .nav-toggle { border-color: #334155; }
.site-header .nav-toggle span { background: #DBEAFE; }

@media (max-width: 1200px) {
  .main-nav { background: #0A0A0A; border-bottom-color: #1F2937; }
  .nav-link { border-bottom-color: #1F2937; }
}

/* ==========================================================================
   Marcas — infinite CSS marquee
   ========================================================================== */

.brands {
    min-height: auto;          /* override the global section min-height:100vh */
    padding: 5rem 0 4.5rem;
    background: #F9FAFB;
    border-top: 1px solid #E5E7EB;
    border-bottom: 1px solid #E5E7EB;
    overflow: hidden;
}

.brands .section-head {
    text-align: center;
    margin-inline: auto;
    margin-bottom: 3rem;
}

.brands .section-index { color: var(--accent); }

.brands-subtitle {
    margin-top: .75rem;
    font-family: var(--font-body);
    font-size: .95rem;
    color: var(--ink-dim);
    line-height: 1.5;
}

/* Clip with fade edges */
.marquee-clip {
    overflow: hidden;
    width: 100%;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
    mask-image:         linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}

.marquee-inner {
    display: flex;
    align-items: center;
    gap: clamp(3rem, 5vw, 6rem);
    width: max-content;
    animation: marquee-scroll 40s linear infinite;
}

.brands:hover .marquee-inner { animation-play-state: paused; }

.marquee-inner img {
    height: 56px;
    width: auto;
    object-fit: contain;
    /* filter managed by brands-marquee.js; fallback for no-JS */
    filter: grayscale(100%) opacity(.4);
    transition: transform .3s var(--ease-out);
    display: block;
    flex-shrink: 0;
}

.marquee-inner img:hover { transform: scale(1.08); }

.marquee-inner a {
    display: block;
    flex-shrink: 0;
    text-decoration: none;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(var(--marquee-shift, -50%)); }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-inner { animation: none; }
}

/* ── Secção de vídeo / instalações ── */
.video-section {
  min-height: auto;
  padding: 4rem 0 5rem;
}

.video-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  max-width: 1040px;
  margin: 0 auto;
  box-shadow: 0 24px 72px rgba(0, 0, 0, .22);
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-frame .about-slider { height: 100%; }
.video-frame .about-track  { height: 100%; }
.video-frame .about-track img { object-fit: cover; height: 100%; }

@media (max-width: 768px) {
  .video-frame { border-radius: 10px; }
}

/* ── Documentos técnicos (produto.php) ── */
.pd-docs { margin-top: 1.25rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.pd-docs-label { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase;
    letter-spacing: .06em; color: var(--ink-dim); margin-bottom: .6rem; }
.pd-docs-list { list-style: none; display: flex; flex-direction: column; gap: .45rem; }
.pd-docs-list li { display: flex; align-items: center; gap: .5rem; font-size: .88rem; }
.pd-doc-icon { flex-shrink: 0; }
.pd-doc-tipo { font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase;
    letter-spacing: .05em; color: var(--ink-dim); flex-shrink: 0; }
.pd-doc-nome { color: var(--accent); text-decoration: none; font-weight: 500; }
.pd-doc-nome:hover { text-decoration: underline; }
.pd-doc-size { font-family: var(--font-mono); font-size: .7rem; color: var(--ink-dim);
    margin-left: auto; flex-shrink: 0; }