/* ==============================================
   ITEL Transformadores — Versão 2: Tecnológica
   Escura, técnica, moderna. Sem bibliotecas.
   ============================================== */

/* ── Tokens ── */
:root {
  --c-bg:        #0a1628;
  --c-surface:   #0f2040;
  --c-surface-2: #132849;
  --c-border:    rgba(255,255,255,.08);
  --c-border-2:  rgba(255,255,255,.14);
  --c-text:      #e8edf5;
  --c-text-dim:  #7a91b0;
  --c-accent:    #e07b20;
  --c-accent-2:  #f4962e;
  --c-green:     #25d366;

  --mono: 'Space Mono', monospace;
  --sans: 'Space Grotesk', sans-serif;

  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-spring:   cubic-bezier(0.32, 0.72, 0, 1);

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;

  --shadow-glow: 0 0 40px rgba(224,123,32,.12);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
address { font-style: normal; }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }

/* ── Skip link ── */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  padding: 0.5rem 1rem; background: var(--c-accent); color: #fff;
  font-size: 0.875rem; font-weight: 700; border-radius: var(--r-sm);
  z-index: 9999; transition: top .25s;
}
.skip-link:focus { top: 0; }

/* ── Cursor personalizado (desktop) ── */
@media (pointer: fine) {
  body { cursor: none; }
  a, button, [role="tab"], select, input, textarea { cursor: none; }
}
.cursor {
  position: fixed;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--c-accent);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: normal;
  transition: width .2s var(--ease-out-expo), height .2s var(--ease-out-expo), opacity .2s;
  opacity: 0;
}
.cursor.visible { opacity: 1; }
.cursor.hovering { width: 36px; height: 36px; background: rgba(224,123,32,.25); border: 1.5px solid var(--c-accent); }
@media (pointer: coarse) { .cursor { display: none; } }

/* ── Layout utils ── */
.hidden { display: none !important; }

/* ── HEADER ── */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 500;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  height: 88px;
  display: flex; align-items: center;
  background: rgba(10,22,40,.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: background .4s;
}
.header__container {
  width: 100%; max-width: 1300px; margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.header__logo img { height: 60px; width: auto; max-width: 220px; object-fit: contain; }
.header__nav { display: none; }
.header__links {
  display: flex; gap: 0.25rem; align-items: center;
}
.header__link {
  position: relative;
  font-size: 0.875rem; font-weight: 500; color: var(--c-text-dim);
  padding: 0.375rem 0.75rem;
  border-radius: var(--r-sm);
  transition: color .25s;
}
.header__link::after {
  content: '';
  position: absolute; bottom: 0; left: 50%; right: 50%;
  height: 1.5px; background: var(--c-accent);
  transition: left .3s var(--ease-out-expo), right .3s var(--ease-out-expo);
}
.header__link:hover, .header__link:focus-visible {
  color: var(--c-text);
}
.header__link:hover::after, .header__link:focus-visible::after {
  left: 0.75rem; right: 0.75rem;
}
.header__right { display: flex; align-items: center; gap: 0.75rem; }
.btn-cta {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.5rem 1.125rem;
  background: var(--c-accent);
  color: #fff;
  border-radius: 999px;
  border: none;
  min-height: 40px;
  transition: background .2s, box-shadow .2s, transform .2s;
}
.btn-cta svg { width: 14px; height: 14px; }
.btn-cta:hover, .btn-cta:focus-visible {
  background: var(--c-accent-2);
  box-shadow: 0 0 20px rgba(224,123,32,.45);
  transform: translateY(-1px);
}
.header__burger {
  display: flex; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--r-sm);
  min-width: 44px; min-height: 44px; align-items: center; justify-content: center;
}
.header__burger span {
  display: block; width: 20px; height: 1.5px;
  background: var(--c-text);
  border-radius: 2px;
  transform-origin: center;
  transition: transform .35s var(--ease-spring), opacity .25s;
}
.header__burger.is-open span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.header__burger.is-open span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

/* Progress bar */
.header__progress {
  position: absolute; bottom: 0; left: 0;
  height: 2px; width: 0%;
  background: var(--c-accent);
  transition: width .1s;
}

/* ── MOBILE OVERLAY ── */
.mobile-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(10,22,40,.97);
  backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .4s var(--ease-out-expo);
}
.mobile-overlay.is-open { opacity: 1; pointer-events: auto; }
.mobile-overlay__inner {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: 3rem;
  width: 100%; padding-inline: clamp(1.25rem, 6vw, 4rem);
}
.mobile-overlay__links { display: flex; flex-direction: column; gap: 0; }
.mobile-link {
  display: flex; align-items: baseline; gap: 1.25rem;
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 700; letter-spacing: -0.02em;
  color: var(--c-text);
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--c-border);
  width: 100%;
  transition: color .25s;
}
.mobile-link:last-child { border-bottom: none; }
.mobile-link:hover { color: var(--c-accent); }
.mobile-link__num { font-family: var(--mono); font-size: 0.6875rem; color: var(--c-text-dim); }
.mobile-overlay__bottom { display: flex; flex-direction: column; gap: 0.5rem; }
.mobile-overlay__bottom a { font-size: 0.9375rem; color: var(--c-text-dim); transition: color .25s; }
.mobile-overlay__bottom a:hover { color: var(--c-accent); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex; flex-direction: column;
  justify-content: flex-end;
  padding-top: 88px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4; mix-blend-mode: overlay; pointer-events: none;
}
.hero__vignette {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,.55) 0%, rgba(10,22,40,.35) 40%, rgba(10,22,40,.9) 80%, #0a1628 100%);
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr;
  align-items: flex-end;
  max-width: 1300px; width: 100%; margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  padding-bottom: 5rem;
  gap: 2rem;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 0.625rem;
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--c-text-dim); margin-bottom: 1.5rem;
}
.hero__pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 0 rgba(224,123,32,.5);
  animation: pulsering 2s ease-in-out infinite;
}
@keyframes pulsering {
  0%, 100% { box-shadow: 0 0 0 0 rgba(224,123,32,.5); }
  50% { box-shadow: 0 0 0 8px rgba(224,123,32,0); }
}
.hero__title {
  display: flex; flex-direction: column;
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.05;
  margin-bottom: 1.5rem;
}
.hero__title-line { overflow: hidden; }
.hero__title-line--accent { color: var(--c-accent); }
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--c-text-dim); max-width: 520px;
  line-height: 1.7; margin-bottom: 2.5rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.625rem;
  font-size: 0.9375rem; font-weight: 700;
  padding: 0.875rem 1.75rem;
  background: var(--c-accent); color: #fff;
  border-radius: var(--r-md);
  min-height: 52px;
  transition: background .2s, box-shadow .3s, transform .2s var(--ease-spring);
}
.btn-primary svg { width: 18px; height: 18px; }
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--c-accent-2);
  box-shadow: 0 4px 28px rgba(224,123,32,.45);
  transform: translateY(-2px);
}

/* Hero produto */
.hero__right { display: none; }
.hero__product-display {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.hero__product-img {
  width: 100%; max-width: 440px;
  filter: drop-shadow(0 20px 60px rgba(10,22,40,.8));
  animation: floatImg 5s ease-in-out infinite;
}
@keyframes floatImg {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.hero__product-ring {
  position: absolute; width: 360px; height: 360px;
  border: 1px solid rgba(224,123,32,.15);
  border-radius: 50%;
  animation: spinRing 20s linear infinite;
}
@keyframes spinRing { to { transform: rotate(360deg); } }

/* Hero stats */
.hero__stats {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--c-border);
}
.hero__stat {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
  border-right: 1px solid var(--c-border);
}
.hero__stat:last-child { border-right: none; }
.hero__stat-num {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700; color: var(--c-accent);
}
.hero__stat-label {
  font-size: 0.75rem; color: var(--c-text-dim);
  letter-spacing: 0.04em;
}

/* ── MARQUEE ── */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--c-border);
  background: var(--c-surface);
  padding-block: 0.75rem;
}
.marquee__inner {
  display: flex; gap: 2rem;
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
  font-family: var(--mono);
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--c-text-dim);
}
.marquee__inner span { white-space: nowrap; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__inner { animation: none; } }

/* ── SOBRE ── */
.sobre {
  padding-block: clamp(4rem, 8vw, 8rem);
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  max-width: 1300px; margin-inline: auto;
}
.sobre__grid {
  display: grid; gap: 3rem; align-items: center;
}
.sobre__img-frame {
  position: relative; border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-border-2);
}
.sobre__img-frame img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
  transition: transform 1.2s var(--ease-out-expo);
}
.sobre__img-frame:hover img { transform: scale(1.03); }
.sobre__img-badge {
  position: absolute; bottom: 1.5rem; right: 1.5rem;
  background: var(--c-accent);
  border-radius: var(--r-md);
  padding: 0.75rem 1.25rem;
  display: flex; flex-direction: column; align-items: center;
}
.badge-num { font-family: var(--mono); font-size: 1.5rem; font-weight: 700; color: #fff; line-height: 1; }
.badge-label { font-size: 0.6875rem; color: rgba(255,255,255,.85); text-transform: uppercase; letter-spacing: 0.08em; }
.section-label {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: var(--mono); font-size: 0.6875rem;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--c-accent); margin-bottom: 1.25rem;
}
.section-label.light { color: rgba(224,123,32,.8); }
.line-deco {
  display: block; width: 32px; height: 1.5px; background: currentColor;
  flex-shrink: 0;
}
.sobre__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.15;
  color: var(--c-text); margin-bottom: 1.5rem;
}
.sobre__body p { color: var(--c-text-dim); font-size: 1rem; line-height: 1.75; margin-bottom: 1rem; }
.sobre__body strong { color: var(--c-text); }
.sobre__checks { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.sobre__checks li { display: flex; align-items: flex-start; gap: 0.75rem; }
.check-icon {
  flex-shrink: 0; width: 24px; height: 24px;
  background: rgba(224,123,32,.15); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 0.125rem;
}
.check-icon svg { width: 12px; height: 12px; stroke: var(--c-accent); }
.sobre__checks p { font-size: 0.9375rem; color: var(--c-text-dim); }
.sobre__checks strong { color: var(--c-text); }

/* ── PRODUTOS ── */
.produtos {
  background: var(--c-surface);
  border-block: 1px solid var(--c-border);
  padding-block: clamp(4rem, 8vw, 7rem);
}
.produtos__header {
  display: flex; flex-direction: column; gap: 1.5rem;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  max-width: 1300px; margin-inline: auto;
  margin-bottom: 3rem;
}
.section-title-dark {
  font-size: clamp(1.875rem, 5vw, 3.5rem);
  font-weight: 700; letter-spacing: -0.04em; line-height: 1.1;
  color: var(--c-text);
}
.section-title-light {
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.15;
  color: var(--c-text);
}
.produtos__header-desc { color: var(--c-text-dim); max-width: 500px; font-size: 1rem; }

/* Tabs */
.produtos__tabs {
  display: flex; gap: 0.25rem; flex-wrap: wrap;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  max-width: 1300px; margin-inline: auto;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--c-border);
}
.tab-btn {
  font-size: 0.875rem; font-weight: 600;
  padding: 0.625rem 1.125rem;
  color: var(--c-text-dim);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  position: relative;
  transition: color .25s, background .25s;
  min-height: 44px;
}
.tab-btn:hover { color: var(--c-text); }
.tab-btn.is-active {
  color: var(--c-text);
  background: var(--c-bg);
  border-color: var(--c-border);
  border-bottom-color: var(--c-bg);
  margin-bottom: -1px;
}

/* Panel */
.produtos__panel {
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  max-width: 1300px; margin-inline: auto;
  padding-top: 2.5rem;
}
.prod-detail {
  display: grid; gap: 3rem; align-items: center;
}
.prod-detail__img {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem; aspect-ratio: 1;
  overflow: hidden;
}
.prod-detail__img img {
  max-height: 380px; width: auto; object-fit: contain;
  filter: drop-shadow(0 12px 40px rgba(0,0,0,.5));
  transition: transform .8s var(--ease-out-expo);
}
.prod-detail:hover .prod-detail__img img { transform: scale(1.05) translateY(-8px); }
.prod-detail__info { display: flex; flex-direction: column; gap: 1.5rem; }
.prod-detail__info h3 {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.2;
}
.prod-specs {
  display: grid; grid-template-columns: auto 1fr;
  gap: 0.375rem 1.5rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  font-size: 0.875rem;
}
.prod-specs dt { font-family: var(--mono); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-text-dim); display: flex; align-items: center; }
.prod-specs dd { color: var(--c-text); font-weight: 500; }
.prod-detail__info > p { color: var(--c-text-dim); font-size: 0.9375rem; line-height: 1.75; }

/* ── SERVIÇOS ── */
.servicos {
  background: var(--c-bg);
  padding-block: clamp(4rem, 8vw, 7rem);
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}
.servicos__top {
  max-width: 1300px; margin-inline: auto;
  margin-bottom: 3rem;
}
.servicos__grid {
  display: grid; gap: 1.25rem;
  max-width: 1300px; margin-inline: auto;
  margin-bottom: 3rem;
}
.serv-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: border-color .3s, box-shadow .3s, transform .3s var(--ease-spring);
}
.serv-card:hover {
  border-color: rgba(224,123,32,.4);
  box-shadow: 0 0 30px rgba(224,123,32,.08);
  transform: translateY(-4px);
}
.serv-card__icon {
  width: 48px; height: 48px;
  background: rgba(224,123,32,.1);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.serv-card__icon svg { width: 22px; height: 22px; stroke: var(--c-accent); }
.serv-card h3 {
  font-size: 1.0625rem; font-weight: 700;
  margin-bottom: 0.75rem; letter-spacing: -0.01em;
}
.serv-card p { font-size: 0.9rem; color: var(--c-text-dim); line-height: 1.7; }
.servicos__classes {
  max-width: 1300px; margin-inline: auto;
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-border);
}
.servicos__classes-label { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-text-dim); }
.servicos__badges { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.kv-badge {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 700;
  padding: 0.375rem 0.875rem;
  background: rgba(224,123,32,.12);
  border: 1px solid rgba(224,123,32,.3);
  color: var(--c-accent); border-radius: var(--r-sm);
  letter-spacing: 0.06em;
}

/* ── CONTATO ── */
.contato {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding-block: clamp(4rem, 8vw, 7rem);
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}
.contato__grid {
  max-width: 1300px; margin-inline: auto;
  display: grid; gap: 3rem; align-items: start;
}
.contato__left h2 { margin-bottom: 1rem; }
.contato__left > p { color: var(--c-text-dim); margin-bottom: 2.5rem; font-size: 1rem; }
.contato__dados { display: flex; flex-direction: column; gap: 1.25rem; }
.dado {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}
.dado svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--c-accent); margin-top: 0.125rem; }
.dado strong { display: block; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.1em; font-family: var(--mono); color: var(--c-text-dim); margin-bottom: 0.25rem; }
.dado p, .dado a { font-size: 0.9375rem; color: var(--c-text); }
.dado a:hover { color: var(--c-accent); }

/* Formulário Tecnológico */
.form-tec { display: flex; flex-direction: column; gap: 1.25rem; }
.form-tec__honeypot { position: absolute; left: -9999px; visibility: hidden; }
.field-row { display: grid; gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.375rem; }
.field label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--mono); color: var(--c-text-dim); }
.field input, .field select, .field textarea {
  background: var(--c-bg);
  border: 1px solid var(--c-border-2);
  border-radius: var(--r-sm);
  color: var(--c-text);
  font-family: var(--sans); font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  width: 100%; min-height: 48px;
  transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(224,123,32,.15);
}
.field input.invalid, .field select.invalid, .field textarea.invalid { border-color: #e05555; }
.field textarea { resize: vertical; min-height: 130px; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237a91b0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; background-size: 16px; padding-right: 2.5rem; }
.field--check { flex-direction: row; align-items: flex-start; }
.check-label { display: flex; gap: 0.625rem; font-size: 0.8125rem; color: var(--c-text-dim); cursor: pointer; }
.check-label input { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; accent-color: var(--c-accent); cursor: pointer; }
.field-err { font-size: 0.75rem; color: #e05555; min-height: 1.125rem; }
.form-tec__aviso {
  display: flex; align-items: center; gap: 0.625rem;
  font-size: 0.8125rem; color: var(--c-text-dim);
  background: rgba(37,211,102,.07);
  border: 1px solid rgba(37,211,102,.2);
  border-radius: var(--r-sm); padding: 0.875rem;
}
.form-tec__aviso svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--c-green); }
.btn-submit {
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  width: 100%; padding: 1rem; min-height: 56px;
  background: var(--c-accent); color: #fff;
  font-size: 1rem; font-weight: 700;
  border-radius: var(--r-md);
  transition: background .2s, box-shadow .3s, transform .2s var(--ease-spring);
}
.btn-submit svg { width: 18px; height: 18px; }
.btn-submit:hover, .btn-submit:focus-visible {
  background: var(--c-accent-2);
  box-shadow: 0 4px 28px rgba(224,123,32,.45);
  transform: translateY(-2px);
}
.form-success {
  text-align: center; padding: 1rem;
  background: rgba(37,211,102,.1); border: 1px solid rgba(37,211,102,.3);
  border-radius: var(--r-sm); color: #25d366; font-weight: 600;
}

/* ── RODAPÉ ── */
.footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
}
.footer__top {
  max-width: 1300px; margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  padding-block: 3rem;
  display: grid; gap: 2.5rem;
}
.footer__brand img { opacity: .85; margin-bottom: 0.75rem; height: 52px; width: auto; max-width: 200px; object-fit: contain; }
.footer__brand p { font-size: 0.875rem; color: var(--c-text-dim); }
.footer__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.footer__links a { font-size: 0.9rem; color: var(--c-text-dim); transition: color .25s; }
.footer__links a:hover { color: var(--c-accent); }
.footer__contacts { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__contacts a { font-size: 0.9rem; color: var(--c-text-dim); transition: color .25s; }
.footer__contacts a:hover { color: var(--c-accent); }
.footer__meio-ambiente {
  border-top: 1px solid var(--c-border);
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  max-width: 1300px; margin-inline: auto; width: 100%;
}
.footer__meio-ambiente p { font-size: 0.8rem; color: var(--c-text-dim); line-height: 1.75; }
.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  text-align: center;
}
.footer__bottom p { font-size: 0.8125rem; color: rgba(255,255,255,.2); }

/* ── WhatsApp FAB ── */
.wa-fab {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 200;
  width: 56px; height: 56px;
  background: var(--c-green); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(37,211,102,.45);
  transition: transform .3s var(--ease-spring), box-shadow .3s;
}
.wa-fab svg { width: 26px; height: 26px; }
.wa-fab:hover, .wa-fab:focus-visible {
  transform: scale(1.1);
  box-shadow: 0 8px 36px rgba(37,211,102,.6);
}

/* ── ANIMAÇÕES JS-REVEAL ── */
.js-reveal { opacity: 0; transform: translateY(32px); transition: opacity .8s var(--ease-out-expo), transform .8s var(--ease-out-expo); }
.js-reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal { opacity: 1; transform: none; transition: none; }
  .hero__product-img { animation: none; }
  .hero__product-ring { animation: none; }
  .marquee__inner { animation: none; }
  .hero__pulse { animation: none; }
}

/* ── RESPONSIVO ── */
@media (min-width: 640px) {
  .servicos__grid { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr 1fr; }
  .sobre__img-frame img { aspect-ratio: unset; height: 480px; }
}

@media (min-width: 900px) {
  .header__nav { display: block; }
  .header__burger { display: none; }
  .hero__inner { grid-template-columns: 1fr 1fr; align-items: center; padding-bottom: 6rem; }
  .hero__right { display: flex; justify-content: center; }
  .sobre__grid { grid-template-columns: 5fr 6fr; }
  .produtos__header { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .prod-detail { grid-template-columns: 1fr 1fr; }
  .contato__grid { grid-template-columns: 1fr 1.1fr; }
  .footer__top { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer__links { flex-direction: column; gap: 0.75rem; }
}

@media (min-width: 1100px) {
  .servicos__grid { grid-template-columns: repeat(4, 1fr); }
}