/* ===========================================================
   ARCOFORTE — Soldagem Industrial
   Tema: preto profundo + neon laranja (faísca de solda)
   =========================================================== */

:root {
  --bg: #060606;
  --bg-2: #0b0b0d;
  --panel: #101013;
  --panel-2: #15151a;
  --line: #232329;
  --line-hot: rgba(255, 106, 0, 0.35);

  --txt: #ededee;
  --muted: #9b9ba4;

  --org: #ff6a00;
  --org-2: #ff8c1a;
  --hot: #ffd166;
  --white-hot: #fff3e0;

  --glow: 0 0 18px rgba(255, 106, 0, 0.45);
  --glow-strong: 0 0 8px rgba(255, 140, 26, 0.9), 0 0 30px rgba(255, 106, 0, 0.55);

  --font-head: 'Oswald', Impact, 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius: 14px;
  --nav-h: 78px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 14px);
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--org); color: #0a0a0a; }

/* Scrollbar neon */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--org-2), var(--org) 60%, #7a3300);
  border-radius: 8px;
  border: 2px solid #0a0a0a;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1200px, 92%); margin-inline: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.12;
  font-weight: 600;
}

.grad {
  background: linear-gradient(92deg, var(--org) 0%, var(--org-2) 45%, var(--hot) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 14px rgba(255, 106, 0, 0.35));
}

.hl { color: var(--org-2); font-weight: 600; }

/* ============ CANVAS DE FAÍSCAS (global, criado via JS) ============ */
.spark-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}

/* ============ CURSOR GLOW ============ */
.cursor-glow {
  position: fixed;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.07) 0%, transparent 65%);
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
}

/* ============ PRELOADER ============ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #050505;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  transition: opacity 0.6s ease, visibility 0.6s;
}
.preloader.done { opacity: 0; visibility: hidden; }

.preloader-arc {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white-hot);
  box-shadow: 0 0 12px 4px var(--hot), 0 0 40px 14px var(--org), 0 0 90px 30px rgba(255, 106, 0, 0.4);
  animation: arcFlicker 0.18s infinite alternate;
}
@keyframes arcFlicker {
  0% { transform: scale(1); opacity: 1; }
  40% { transform: scale(0.82); opacity: 0.75; }
  100% { transform: scale(1.18); opacity: 1; }
}

.preloader-logo {
  font-family: var(--font-head);
  font-size: 2rem;
  letter-spacing: 0.18em;
  color: var(--txt);
}
.preloader-logo strong { color: var(--org); }
.preloader-sub {
  font-size: 0.72rem;
  letter-spacing: 0.5em;
  color: var(--muted);
  animation: pulseTxt 1.4s ease infinite;
}
@keyframes pulseTxt { 50% { opacity: 0.35; } }

/* ============ BARRA DE PROGRESSO "CORDÃO DE SOLDA" ============ */
.weld-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 9000;
  background: linear-gradient(90deg, #7a3300, var(--org) 70%, var(--hot));
  box-shadow: 0 0 10px rgba(255, 106, 0, 0.8);
}
.weld-progress .weld-tip {
  position: absolute;
  right: -4px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--white-hot);
  transform: translateY(-50%);
  box-shadow: var(--glow-strong);
}

/* ============ NAVBAR ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 8000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(6, 6, 6, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s, border-color 0.35s, height 0.35s;
}
.navbar.scrolled {
  height: 64px;
  background: rgba(8, 8, 9, 0.88);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.32rem;
  letter-spacing: 0.12em;
}
.logo strong { color: var(--org); }
.logo-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--org-2);
  background: linear-gradient(160deg, #1a1a1f, #0d0d10);
  border: 1px solid var(--line-hot);
  box-shadow: inset 0 0 14px rgba(255, 106, 0, 0.15), var(--glow);
}
.logo-mark svg { width: 19px; height: 19px; }

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  white-space: nowrap;
  padding: 9px 14px;
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.25s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, var(--org), var(--hot));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  box-shadow: 0 0 8px rgba(255, 106, 0, 0.8);
}
.nav-link:hover { color: var(--txt); }
.nav-link.active { color: var(--org-2); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-cta { white-space: nowrap; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  width: 26px;
  height: 2px;
  background: var(--txt);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--org); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--org); }

/* ============ BOTÕES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s, color 0.22s, border-color 0.22s;
}
.btn svg { width: 17px; height: 17px; transition: transform 0.25s; }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--org-2), var(--org) 55%, #cc4d00);
  color: #0a0a0a;
  box-shadow: 0 4px 22px rgba(255, 106, 0, 0.35);
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform 0.55s ease;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(255, 106, 0, 0.55); }
.btn-primary:hover::before { transform: translateX(110%); }
.btn-primary:active { transform: translateY(-1px) scale(0.98); }

.btn-ghost {
  background: rgba(255, 106, 0, 0.04);
  color: var(--txt);
  border-color: var(--line-hot);
}
.btn-ghost:hover {
  background: rgba(255, 106, 0, 0.12);
  border-color: var(--org);
  box-shadow: var(--glow);
  transform: translateY(-3px);
}

.btn-lg { padding: 16px 32px; font-size: 0.95rem; }
.btn-block { width: 100%; justify-content: center; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 80px;
  overflow: hidden;
  background:
    radial-gradient(1100px 600px at 75% 18%, rgba(255, 106, 0, 0.09), transparent 60%),
    radial-gradient(800px 500px at 12% 85%, rgba(255, 106, 0, 0.05), transparent 60%),
    var(--bg);
}

#embers {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
}

/* Piso em grade com perspectiva 3D */
.hero-grid {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -120px;
  height: 46%;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 106, 0, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 106, 0, 0.16) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: perspective(620px) rotateX(63deg);
  transform-origin: bottom center;
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.85), transparent 85%);
  mask-image: linear-gradient(to top, rgba(0,0,0,0.85), transparent 85%);
  animation: gridScroll 16s linear infinite;
}
@keyframes gridScroll { to { background-position-y: 56px; } }

.hero-glow {
  position: absolute;
  width: 720px;
  height: 720px;
  right: -180px;
  top: -160px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.13), transparent 62%);
  filter: blur(8px);
}

/* Flash do arco elétrico (flicker ocasional) */
.arc-flash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(900px 520px at 68% 42%, rgba(255, 210, 150, 0.16), transparent 60%);
  opacity: 0;
}
.arc-flash.on { animation: arcOn 0.42s steps(3, end); }
@keyframes arcOn {
  0% { opacity: 0; } 20% { opacity: 1; } 45% { opacity: 0.2; }
  60% { opacity: 0.9; } 100% { opacity: 0; }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--org-2);
  margin-bottom: 22px;
  padding: 8px 16px;
  border: 1px solid var(--line-hot);
  border-radius: 100px;
  background: rgba(255, 106, 0, 0.05);
}
.spark-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hot);
  box-shadow: var(--glow-strong);
  animation: arcFlicker 0.7s infinite alternate;
}

.hero-title {
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  font-weight: 700;
  margin-bottom: 22px;
  text-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
}

.lead {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 56ch;
  margin-bottom: 34px;
}
.lead strong { color: var(--txt); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 34px; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badges li {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.hero-badges li:hover { border-color: var(--org); color: var(--org-2); box-shadow: var(--glow); }

/* --- Cena 3D: chapas + cordão sendo soldado --- */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  perspective: 1000px;
  min-height: 420px;
}
.weld-scene {
  /* Garante que o container tenha um fundo com a sua imagem */
  background-image: url('img/sitesolda.jpg') !important; 
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  /* Garante que o bloco tenha tamanho para mostrar a imagem caso esteja colapsado */
  min-height: 100vh; /* Ou use uma altura fixa se preferir, ex: 600px */
  width: 100%;
  
  /* Mantém o alinhamento dos elementos internos centralizados */
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.plate {
  background:
    linear-gradient(155deg, #26262c 0%, #16161a 45%, #1d1d22 70%, #101013 100%);
  border: 1px solid #2e2e35;
  position: relative;
  overflow: hidden;
}
.plate::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent 0 9px, rgba(255, 255, 255, 0.018) 9px 10px);
}
.plate::after {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #3a3a42, #141417 70%);
  box-shadow:
    0 0 0 2px rgba(0,0,0,0.5),
    210px 0 0 -1px #1c1c21, 210px 0 0 1px rgba(0,0,0,0.5);
  top: 18px; left: 18px;
}
.plate-left { border-radius: 18px 0 0 18px; border-right: 0; }
.plate-right { border-radius: 0 18px 18px 0; border-left: 0; }
.plate-right::after { top: auto; bottom: 18px; }

.seam {
  position: relative;
  background: linear-gradient(180deg, var(--hot) 0%, var(--org) 45%, #4a1e00 46%, #1a0d04 100%);
  background-size: 100% 200%;
  background-position: 0 100%;
  box-shadow: 0 0 18px rgba(255, 106, 0, 0.55), inset 0 0 6px rgba(255, 220, 160, 0.6);
  animation: seamFill 7s ease-in-out infinite;
}
@keyframes seamFill {
  0% { background-position: 0 100%; }
  55% { background-position: 0 0%; }
  78% { background-position: 0 0%; }
  100% { background-position: 0 100%; }
}

.torch {
  position: absolute;
  left: 50%;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: var(--white-hot);
  box-shadow:
    0 0 10px 3px var(--hot),
    0 0 34px 12px var(--org),
    0 0 80px 26px rgba(255, 106, 0, 0.35);
  animation: torchMove 7s ease-in-out infinite, arcFlicker 0.16s infinite alternate;
}
@keyframes torchMove {
  0% { top: 100%; opacity: 1; }
  55% { top: 0%; opacity: 1; }
  60% { opacity: 0; }
  95% { top: 100%; opacity: 0; }
  100% { top: 100%; opacity: 1; }
}

.scene-base {
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: -34px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(255, 106, 0, 0.25), transparent 70%);
  filter: blur(6px);
}

/* Chips técnicos flutuantes */
.chip {
  position: absolute;
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  padding: 9px 16px;
  color: var(--org-2);
  background: rgba(12, 12, 14, 0.82);
  border: 1px solid var(--line-hot);
  border-radius: 100px;
  box-shadow: var(--glow), inset 0 0 12px rgba(255, 106, 0, 0.08);
  backdrop-filter: blur(6px);
  animation: floatChip 5.5s ease-in-out infinite;
  white-space: nowrap;
}
.chip-1 { top: 6%; left: -4%; animation-delay: 0s; }
.chip-2 { top: 26%; right: -8%; animation-delay: 1.2s; }
.chip-3 { bottom: 22%; left: -10%; animation-delay: 2.1s; }
.chip-4 { bottom: 4%; right: -4%; animation-delay: 0.6s; }
@keyframes floatChip {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.64rem;
  letter-spacing: 0.45em;
  color: var(--muted);
  z-index: 3;
}
.scroll-cue-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, transparent, var(--org));
  position: relative;
  overflow: hidden;
}
.scroll-cue-line::after {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 10px;
  background: var(--hot);
  box-shadow: 0 0 8px var(--org);
  animation: cueDrop 1.8s ease-in infinite;
}
@keyframes cueDrop { to { top: 54px; } }

/* ============ MARQUEE ============ */
.marquee {
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, #0a0a0c, #08080a);
  overflow: hidden;
  padding: 18px 0;
  position: relative;
}
.marquee::before, .marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }

.marquee-track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-head);
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  color: #5c5c66;
  transition: color 0.3s, text-shadow 0.3s;
  white-space: nowrap;
}
.marquee-track span:hover { color: var(--org-2); text-shadow: 0 0 14px rgba(255, 106, 0, 0.7); }
.marquee-track i {
  color: var(--org);
  font-style: normal;
  font-size: 0.7rem;
  text-shadow: 0 0 8px var(--org);
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ SEÇÕES ============ */
.section { padding: 110px 0; position: relative; }
.section-alt {
  background:
    radial-gradient(900px 420px at 88% 0%, rgba(255, 106, 0, 0.05), transparent 60%),
    var(--bg-2);
  border-block: 1px solid #141417;
}

.section-head { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.section-tag {
  font-family: var(--font-head);
  font-size: 0.74rem;
  letter-spacing: 0.5em;
  color: var(--org);
  margin-bottom: 14px;
}
.section-tag::before { content: '— '; color: var(--org); }
.section-title { font-size: clamp(1.8rem, 3.6vw, 2.9rem); margin-bottom: 16px; }
.section-sub { color: var(--muted); font-size: 1.02rem; }

/* ============ SOBRE ============ */
.sobre-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.sobre-copy .section-tag { text-align: left; }
.sobre-copy .section-title { margin-bottom: 22px; }
.sobre-copy p { color: var(--muted); margin-bottom: 18px; }
.sobre-copy p strong { color: var(--txt); }
.sobre-copy .btn { margin-top: 12px; }

.check-list { margin: 8px 0 22px; display: grid; gap: 12px; }
.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--txt);
  font-size: 0.97rem;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background:
    linear-gradient(135deg, rgba(255, 140, 26, 0.25), rgba(255, 106, 0, 0.08));
  border: 1px solid var(--line-hot);
  box-shadow: inset 0 0 8px rgba(255, 106, 0, 0.25);
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 6px;
  width: 7px;
  height: 4px;
  border-left: 2px solid var(--hot);
  border-bottom: 2px solid var(--hot);
  transform: rotate(-45deg);
  filter: drop-shadow(0 0 4px var(--org));
}

.sobre-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.stat-card {
  background: linear-gradient(165deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.25s;
  will-change: transform;
}
.stat-card:hover { border-color: var(--line-hot); box-shadow: var(--glow); }
.stat-num {
  display: flex;
  align-items: baseline;
  font-family: var(--font-head);
  font-size: 2.7rem;
  font-weight: 700;
  color: var(--txt);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-num i {
  font-style: normal;
  color: var(--org);
  font-size: 1.9rem;
  margin-left: 2px;
  text-shadow: 0 0 14px rgba(255, 106, 0, 0.6);
}
.stat-label { color: var(--muted); font-size: 0.86rem; line-height: 1.45; display: block; }

/* ============ CARDS SETORES ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  position: relative;
  background: linear-gradient(170deg, var(--panel-2), var(--panel) 70%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px 30px;
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.25s;
  transform-style: preserve-3d;
  will-change: transform;
  overflow: hidden;
  cursor: pointer;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 200px at var(--mx, 50%) var(--my, 0%), rgba(255, 106, 0, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover { border-color: var(--line-hot); box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5), var(--glow); }

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  color: var(--org-2);
  background: linear-gradient(160deg, rgba(255, 106, 0, 0.14), rgba(255, 106, 0, 0.03));
  border: 1px solid var(--line-hot);
  box-shadow: inset 0 0 16px rgba(255, 106, 0, 0.12);
  transform: translateZ(34px);
}
.card-icon svg { width: 28px; height: 28px; }

.card h3 { font-size: 1.22rem; margin-bottom: 12px; transform: translateZ(24px); }
.card p { color: var(--muted); font-size: 0.93rem; margin-bottom: 20px; transform: translateZ(14px); }
.card-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--org);
  border: 1px solid var(--line-hot);
  background: rgba(255, 106, 0, 0.06);
  border-radius: 100px;
  padding: 6px 13px;
  transform: translateZ(20px);
}

/* ============ TABS PROCESSOS ============ */
.tabs {
  background: linear-gradient(175deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
}
.tab-btn {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 18px 14px 15px;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  font-family: var(--font-head);
  font-size: 1.02rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.3s, background 0.3s, border-color 0.3s;
}
.tab-btn small {
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: none;
  opacity: 0.75;
}
.tab-btn:hover { color: var(--txt); background: rgba(255, 106, 0, 0.04); }
.tab-btn.active {
  color: var(--org-2);
  border-bottom-color: var(--org);
  background: rgba(255, 106, 0, 0.07);
  text-shadow: 0 0 16px rgba(255, 106, 0, 0.5);
}

.tab-panel { display: none; padding: 42px 44px; }
.tab-panel.active { display: block; animation: panelIn 0.45s ease both; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(16px) scale(0.99); }
  to { opacity: 1; transform: none; }
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}
.panel-grid h3 { font-size: 1.5rem; margin-bottom: 14px; color: var(--org-2); }
.panel-grid > div > p { color: var(--muted); margin-bottom: 18px; }

.panel-side {
  border-left: 1px solid var(--line);
  padding-left: 36px;
  align-self: center;
}
.panel-side-title {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  color: var(--org);
  margin-bottom: 12px;
}
.panel-side-title + .panel-side-title, .pos-chips + .panel-side-title { margin-top: 26px; }
.panel-side-text { color: var(--muted); font-size: 0.92rem; }

.pos-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pos-chips span {
  font-family: var(--font-head);
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  width: 46px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-hot);
  border-radius: 8px;
  color: var(--org-2);
  background: rgba(255, 106, 0, 0.06);
  box-shadow: inset 0 0 10px rgba(255, 106, 0, 0.08);
  transition: box-shadow 0.3s, transform 0.3s;
}
.pos-chips span:hover { box-shadow: var(--glow); transform: translateY(-3px); }

/* ============ NORMAS ============ */
.normas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 36px;
}
.norma-card {
  text-align: center;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 22px 30px;
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.25s;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: pointer;
}
.norma-card:hover { border-color: var(--line-hot); box-shadow: var(--glow); }

.norma-badge {
  display: grid;
  place-items: center;
  width: 92px;
  height: 100px;
  margin: 0 auto 20px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--hot);
  background:
    linear-gradient(160deg, rgba(255, 140, 26, 0.16), rgba(255, 106, 0, 0.04));
  border: 1px solid var(--line-hot);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  text-shadow: 0 0 18px rgba(255, 106, 0, 0.55);
  transform: translateZ(30px);
}
.norma-card h3 { font-size: 1.05rem; margin-bottom: 10px; transform: translateZ(18px); }
.norma-card p { color: var(--muted); font-size: 0.88rem; transform: translateZ(10px); }

.end-strip {
  border: 1px solid var(--line-hot);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255, 106, 0, 0.07), rgba(255, 106, 0, 0.02) 40%, rgba(255, 106, 0, 0.07));
  padding: 26px 30px;
  text-align: center;
}
.end-strip-title {
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  color: var(--org);
  margin-bottom: 16px;
}
.end-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
}
.end-items span {
  font-size: 0.84rem;
  color: var(--txt);
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  border-radius: 100px;
  padding: 8px 18px;
  transition: border-color 0.3s, box-shadow 0.3s, color 0.3s;
}
.end-items span:hover { border-color: var(--org); box-shadow: var(--glow); color: var(--org-2); }

/* ============ TIMELINE SOLDADA ============ */
.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 30px 0 10px;
}
.timeline-seam {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  transform: translateX(-50%);
  background: #1b1b20;
  border-radius: 4px;
  overflow: visible;
}
.timeline-seam::before {
  content: '';
  position: absolute;
  inset: 0;
  height: calc(var(--weld, 0) * 100%);
  background: linear-gradient(180deg, #7a3300, var(--org) 60%, var(--hot));
  border-radius: 4px;
  box-shadow: 0 0 14px rgba(255, 106, 0, 0.75);
  transition: height 0.18s linear;
}
.timeline-tip {
  position: absolute;
  left: 50%;
  top: calc(var(--weld, 0) * 100%);
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--white-hot);
  transform: translate(-50%, -50%);
  box-shadow: var(--glow-strong);
  transition: top 0.18s linear;
}

.step {
  position: relative;
  width: calc(50% - 48px);
  margin-bottom: 46px;
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: border-color 0.4s, box-shadow 0.4s;
}
.step.lit { border-color: var(--line-hot); box-shadow: var(--glow); }
.step-right { margin-left: auto; }

.step::before {
  content: '';
  position: absolute;
  top: 32px;
  right: -55px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #222227;
  border: 2px solid #303038;
  transition: background 0.4s, box-shadow 0.4s, border-color 0.4s;
}
.step-right::before { right: auto; left: -55px; }
.step.lit::before {
  background: var(--hot);
  border-color: var(--org);
  box-shadow: var(--glow-strong);
}

.step-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 106, 0, 0.55);
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}
.step.lit .step-num {
  color: var(--org);
  -webkit-text-stroke: 0;
  text-shadow: 0 0 22px rgba(255, 106, 0, 0.5);
}
.step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.92rem; }

/* ============ PROJETOS ============ */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.proj-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.25s;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: pointer;
}
.proj-card:hover { border-color: var(--line-hot); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55), var(--glow); }

.proj-media {
  position: relative;
  height: 170px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.proj-media::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(0, 0, 0, 0.22) 14px 28px);
  mix-blend-mode: multiply;
}
.proj-media::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  background: linear-gradient(to top, rgba(6, 6, 6, 0.92), transparent);
}
.g1 { background: linear-gradient(135deg, #341a05, #0e0e12 60%, #1c0f04); }
.g2 { background: linear-gradient(135deg, #401c00, #14090288 40%, #0d0d11), #0d0d11; }
.g3 { background: linear-gradient(150deg, #2c1a08, #101014 55%, #241204); }
.g4 { background: linear-gradient(120deg, #381e06, #0c0c10 65%); }
.g5 { background: linear-gradient(160deg, #45230a, #0e0e12 60%); }
.g6 { background: linear-gradient(140deg, #2e1502, #111116 50%, #1f1003); }

.proj-num {
  position: relative;
  z-index: 1;
  font-family: var(--font-head);
  font-size: 4.4rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 106, 0, 0.65);
  text-shadow: 0 0 34px rgba(255, 106, 0, 0.25);
  transition: transform 0.4s ease;
}
.proj-card:hover .proj-num { transform: scale(1.12) translateZ(20px); }

.proj-info { padding: 24px 26px 26px; }
.proj-sector {
  font-family: var(--font-head);
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  color: var(--org);
}
.proj-info h3 { font-size: 1.08rem; margin: 8px 0 10px; }
.proj-info p { color: var(--muted); font-size: 0.89rem; }

/* ============ CTA BANNER ============ */
.cta-section { padding-block: 70px; }
.cta-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 56px 58px;
  border-radius: 22px;
  background:
    radial-gradient(700px 300px at 12% 0%, rgba(255, 106, 0, 0.14), transparent 60%),
    linear-gradient(170deg, #141418, #0c0c0f);
  overflow: hidden;
  isolation: isolate;
}
/* borda animada "maçarico" */
.cta-banner::before {
  content: '';
  position: absolute;
  inset: -2px;
  z-index: -2;
  background: conic-gradient(from var(--rot, 0deg), transparent 0 65%, var(--org) 78%, var(--hot) 84%, transparent 92%);
  animation: rotBorder 4.5s linear infinite;
  border-radius: 24px;
}
.cta-banner::after {
  content: '';
  position: absolute;
  inset: 2px;
  z-index: -1;
  border-radius: 20px;
  background: linear-gradient(170deg, #141418, #0b0b0e);
}
@property --rot {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes rotBorder { to { --rot: 360deg; } }

.cta-copy h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); margin-bottom: 14px; }
.cta-copy p { color: var(--muted); max-width: 52ch; }
.cta-banner .btn { flex-shrink: 0; }

/* ============ CONTATO ============ */
.contato-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 30px;
  align-items: start;
}

.form {
  background: linear-gradient(175deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 38px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input, .field select, .field textarea {
  background: #0a0a0c;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--txt);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--org) 50%), linear-gradient(135deg, var(--org) 50%, transparent 50%); background-position: calc(100% - 21px) 50%, calc(100% - 15px) 50%; background-size: 6px 6px; background-repeat: no-repeat; cursor: pointer; }
.field input::placeholder, .field textarea::placeholder { color: #56565e; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--org);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.16), var(--glow);
}
.field input.invalid, .field textarea.invalid { border-color: #e23b3b; box-shadow: 0 0 0 3px rgba(226, 59, 59, 0.15); }

.form-feedback {
  margin-top: 16px;
  text-align: center;
  font-weight: 600;
  color: var(--hot);
  min-height: 1.4em;
}

.contato-info { display: grid; gap: 22px; }
.info-card {
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.25s;
  will-change: transform;
}
.info-card:hover { border-color: var(--line-hot); box-shadow: var(--glow); }
.info-card h3 {
  font-size: 1rem;
  color: var(--org-2);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.info-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 14px; }
.info-card p strong { color: var(--txt); }

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(800px 300px at 50% 0%, rgba(255, 106, 0, 0.05), transparent 60%),
    #050507;
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 54px;
}
.footer-brand p { color: var(--muted); font-size: 0.92rem; margin-top: 18px; max-width: 34ch; }
.footer-col h4 {
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  color: var(--org);
  margin-bottom: 18px;
}
.footer-col a, .footer-col span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.25s, transform 0.25s;
}
.footer-col a:hover { color: var(--org-2); transform: translateX(5px); }

.footer-bottom {
  border-top: 1px solid #131316;
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { color: #6a6a73; font-size: 0.8rem; }
.footer-mini { letter-spacing: 0.04em; }

/* ============ WHATSAPP FLUTUANTE ============ */
.whats-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 8500;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #25d366;
  background: rgba(13, 13, 16, 0.92);
  border: 1px solid var(--line-hot);
  box-shadow: var(--glow), 0 10px 30px rgba(0, 0, 0, 0.6);
  transition: transform 0.25s, box-shadow 0.25s;
  animation: floatChip 4s ease-in-out infinite;
}
.whats-float svg { width: 28px; height: 28px; }
.whats-float:hover {
  transform: scale(1.1);
  box-shadow: 0 0 0 6px rgba(255, 106, 0, 0.12), var(--glow-strong);
}

/* ============ REVEAL 3D NO SCROLL ============ */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}
[data-reveal="up"] { transform: perspective(900px) translateY(52px) rotateX(7deg); }
[data-reveal="left"] { transform: perspective(900px) translateX(-56px) rotateY(7deg); }
[data-reveal="right"] { transform: perspective(900px) translateX(56px) rotateY(-7deg); }
[data-reveal].revealed { opacity: 1; transform: none; }

/* Escalonamento dos cards */
.cards-grid [data-reveal]:nth-child(2), .proj-grid [data-reveal]:nth-child(2), .normas-grid [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.cards-grid [data-reveal]:nth-child(3), .proj-grid [data-reveal]:nth-child(3), .normas-grid [data-reveal]:nth-child(3) { transition-delay: 0.2s; }
.cards-grid [data-reveal]:nth-child(4), .proj-grid [data-reveal]:nth-child(4), .normas-grid [data-reveal]:nth-child(4) { transition-delay: 0.3s; }
.cards-grid [data-reveal]:nth-child(5), .proj-grid [data-reveal]:nth-child(5) { transition-delay: 0.4s; }
.cards-grid [data-reveal]:nth-child(6), .proj-grid [data-reveal]:nth-child(6) { transition-delay: 0.5s; }

/* ============ RESPONSIVO ============ */
@media (max-width: 1060px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-visual { min-height: 380px; margin-top: 10px; }
  .chip-1 { left: 2%; } .chip-3 { left: 0; } .chip-2 { right: 0; } .chip-4 { right: 2%; }
  .sobre-grid { grid-template-columns: 1fr; gap: 44px; }
  .cards-grid, .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .normas-grid { grid-template-columns: repeat(2, 1fr); }
  .contato-grid { grid-template-columns: 1fr; }
  .contato-info { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-cta { display: none; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: #070709;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
    padding: 18px 6%;
    gap: 4px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .navbar.scrolled .nav-links { top: 64px; }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-link { padding: 13px 6px; font-size: 0.95rem; border-bottom: 1px solid #131316; }

  .panel-grid { grid-template-columns: 1fr; gap: 26px; }
  .panel-side { border-left: 0; border-top: 1px solid var(--line); padding: 26px 0 0; }
  .tab-panel { padding: 30px 24px; }
  .tab-btn { flex: 1 1 33%; }

  /* Timeline vira coluna única */
  .timeline-seam { left: 14px; }
  .step, .step-right { width: auto; margin-left: 44px; }
  .step::before, .step-right::before { left: -37px; right: auto; }

  .cta-banner { flex-direction: column; text-align: center; padding: 44px 30px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contato-info { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  body { font-size: 15.5px; }
  .cards-grid, .proj-grid, .normas-grid, .sobre-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-badges { justify-content: center; }
  .hero-actions { justify-content: center; }
  .chip-2, .chip-3 { display: none; }
  .form { padding: 26px 20px; }
  .footer-bottom .container { justify-content: center; text-align: center; }
  .whats-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}

/* ============ ACESSIBILIDADE: MOVIMENTO REDUZIDO ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
}