/* ════════════════════════════════════════
   offgrid3d — style.css
   Tema: Industrial / Raw / Futurista
   ════════════════════════════════════════ */

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

:root {
  --bg:        #0a0a0a;
  --bg-2:      #111111;
  --bg-3:      #181818;
  --border:    rgba(255,255,255,0.08);
  --accent:    #e8ff00;        /* amarelo néon */
  --accent-2:  #ff4800;        /* laranja quente */
  --text:      #f0f0f0;
  --text-muted:#888;
  --font-disp: 'Bebas Neue', sans-serif;
  --font-body: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --radius:    4px;
  --radius-lg: 12px;
  --trans:     0.3s cubic-bezier(0.4,0,0.2,1);
  --header-h:  72px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ── UTILITÁRIOS ── */
.accent { color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--trans);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #fff;
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,255,0,.25);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255,255,255,.3);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--accent);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}
.section-title {
  font-family: var(--font-disp);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: .02em;
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1rem;
}
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: background var(--trans), box-shadow var(--trans);
}
#header.scrolled {
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* brand */
.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  flex-shrink: 0;
}
.logo-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-3);
  border: 1px solid var(--border);
}
.logo-img { width: 100%; height: 100%; object-fit: cover; }
.logo-fallback {
  display: none;
  width: 100%; height: 100%;
  align-items: center; justify-content: center;
  font-family: var(--font-disp);
  font-size: 1.3rem;
  color: var(--accent);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--font-disp);
  font-size: 1.5rem;
  letter-spacing: .06em;
  color: var(--text);
}
.brand-slogan {
  font-family: var(--font-mono);
  font-size: .62rem;
  color: var(--text-muted);
  letter-spacing: .04em;
}

/* nav */
.nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav-link {
  padding: .45rem .9rem;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--trans);
  color: var(--text-muted);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav-link.active { color: var(--accent); }
.cta-nav {
  background: var(--accent) !important;
  color: #000 !important;
  font-weight: 700;
  margin-left: .5rem;
}
.cta-nav:hover { background: #fff !important; }

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--trans);
}
.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
   ═══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + 4rem) 1.5rem 8rem;
  overflow: hidden;
}

/* background */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,255,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,255,0,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
}
.orb-1 { width: 600px; height: 600px; background: rgba(232,255,0,.18); top: -200px; right: -150px; }
.orb-2 { width: 400px; height: 400px; background: rgba(255,72,0,.15); bottom: 0; left: -100px; }
.orb-3 { width: 300px; height: 300px; background: rgba(232,255,0,.08); top: 40%; left: 40%; }

/* content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(232,255,0,.3);
  padding: .4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeUp .8s .2s both;
}
.hero-title {
  font-family: var(--font-disp);
  font-size: clamp(3.5rem, 10vw, 8rem);
  line-height: .95;
  letter-spacing: .02em;
  margin-bottom: 1.5rem;
  animation: fadeUp .8s .4s both;
}
.hero-accent { color: var(--accent); display: block; }
.hero-desc {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  animation: fadeUp .8s .6s both;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp .8s .75s both;
}

/* stats bar */
.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 5rem;
  padding: 1.5rem 2.5rem;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  animation: fadeUp .8s .9s both;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-disp);
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--text-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce 2s infinite;
}
.scroll-arrow {
  display: block;
  width: 28px; height: 28px;
  border-right: 2px solid rgba(232,255,0,.4);
  border-bottom: 2px solid rgba(232,255,0,.4);
  transform: rotate(45deg);
}

/* ═══════════════════════════════════════
   PRODUTOS
   ═══════════════════════════════════════ */
.produtos {
  padding: 7rem 1.5rem;
  background: var(--bg-2);
}

/* carousel */
.carousel-wrap {
  position: relative;
  max-width: 1200px;
  margin: 0 auto 3rem;
}
.carousel {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-3);
}
.carousel-track {
  display: flex;
  transition: transform .5s cubic-bezier(0.4,0,0.2,1);
  will-change: transform;
}
.carousel-slide {
  flex: 0 0 calc(33.333% - 1rem);
  margin-right: 1rem;
}
.slide-inner {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--bg-3);
}
.slide-inner img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--trans);
}
.slide-inner:hover img { transform: scale(1.06); }
.slide-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--trans);
}
.slide-inner:hover .slide-overlay { opacity: 1; }
.slide-overlay span {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: .4rem .9rem;
  border-radius: 100px;
}

/* carousel buttons */
.carousel-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  width: 48px; height: 48px;
  background: rgba(10,10,10,.85);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--trans);
  backdrop-filter: blur(6px);
}
.carousel-btn:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(232,255,0,.3);
}
.prev { left: -24px; }
.next { right: -24px; }

/* dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: .4rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  border: none;
  cursor: pointer;
  transition: var(--trans);
  padding: 0;
}
.dot.active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

.produtos-cta {
  text-align: center;
  margin-top: 1rem;
}
.produtos-cta p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

/* ═══════════════════════════════════════
   LIGHTBOX
   ═══════════════════════════════════════ */
.lightbox-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans);
}
.lightbox-backdrop.open { opacity: 1; pointer-events: all; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 201;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox:not([hidden]) { display: flex; }

.lightbox-img-wrap {
  max-width: min(90vw, 900px);
  max-height: 80vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,.6);
}
.lightbox-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
}
.lightbox-close {
  position: fixed;
  top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--trans);
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover { background: var(--accent); color: #000; border-color: var(--accent); }

.lightbox-nav {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  transition: var(--trans);
  display: flex; align-items: center; justify-content: center;
}
.lightbox-nav:hover { background: var(--accent); color: #000; border-color: var(--accent); }
.lb-prev { left: 1.5rem; }
.lb-next { right: 1.5rem; }

.lightbox-counter {
  position: fixed;
  bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-muted);
  letter-spacing: .1em;
}

/* ═══════════════════════════════════════
   SOBRE NÓS
   ═══════════════════════════════════════ */
.sobre {
  padding: 7rem 1.5rem;
  background: var(--bg);
}
.sobre-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.sobre-text .section-title { text-align: left; }
.sobre-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: .98rem;
}
.sobre-text strong { color: var(--text); }
.sobre-text em { color: var(--accent); font-style: normal; }

.sobre-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--trans);
}
.feature-card:hover {
  border-color: rgba(232,255,0,.2);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,.3);
}
.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: .75rem;
}
.feature-card h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: .5rem;
}
.feature-card p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ═══════════════════════════════════════
   PROCESSO
   ═══════════════════════════════════════ */
.processo {
  padding: 6rem 1.5rem;
  background: var(--bg-2);
}
.steps {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.step {
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  text-align: center;
  padding: 2rem 1.2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--trans);
}
.step:hover {
  border-color: rgba(232,255,0,.25);
  transform: translateY(-4px);
}
.step-num {
  font-family: var(--font-disp);
  font-size: 3rem;
  color: var(--accent);
  opacity: .25;
  line-height: 1;
  margin-bottom: .75rem;
}
.step h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: .5rem;
}
.step p { font-size: .83rem; color: var(--text-muted); }
.step-arrow {
  font-size: 1.8rem;
  color: rgba(232,255,0,.25);
  flex-shrink: 0;
  align-self: center;
}

/* ═══════════════════════════════════════
   CONTACTOS
   ═══════════════════════════════════════ */
.contactos {
  padding: 7rem 1.5rem;
  background: var(--bg);
}
.contactos-inner {
  max-width: 800px;
  margin: 0 auto;
}

.social-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.social-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-2);
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.social-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--trans);
}
.social-card:hover { transform: translateX(6px); }
.social-card:hover::before { opacity: 1; }

/* Facebook */
.facebook::before { background: linear-gradient(135deg, rgba(24,119,242,.12), transparent); }
.facebook:hover   { border-color: rgba(24,119,242,.4); }
.facebook .social-icon-wrap { color: #1877f2; }

/* TikTok */
.tiktok::before { background: linear-gradient(135deg, rgba(105,201,208,.12), transparent); }
.tiktok:hover   { border-color: rgba(105,201,208,.4); }
.tiktok .social-icon-wrap { color: #69c9d0; }

/* WhatsApp */
.whatsapp::before { background: linear-gradient(135deg, rgba(37,211,102,.12), transparent); }
.whatsapp:hover   { border-color: rgba(37,211,102,.4); }
.whatsapp .social-icon-wrap { color: #25d366; }

.social-icon-wrap {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.social-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.social-name {
  font-weight: 700;
  font-size: 1rem;
}
.social-handle {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-muted);
}
.social-arrow {
  font-size: 1.3rem;
  color: var(--text-muted);
  transition: var(--trans);
  margin-left: auto;
}
.social-card:hover .social-arrow { color: var(--accent); }

.contactos-note {
  margin-top: 2.5rem;
  padding: 1.25rem;
  border: 1px dashed rgba(232,255,0,.2);
  border-radius: var(--radius-lg);
  text-align: center;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.footer {
  padding: 3rem 1.5rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.footer-logo {
  width: 32px; height: 32px;
  border-radius: var(--radius);
  object-fit: cover;
}
.footer-name {
  font-family: var(--font-disp);
  font-size: 1.3rem;
  letter-spacing: .08em;
}
.footer-slogan {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-muted);
  letter-spacing: .06em;
}
.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-size: .85rem;
  color: var(--text-muted);
  transition: var(--trans);
  font-weight: 600;
}
.footer-nav a:hover { color: var(--accent); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: rgba(255,255,255,.2);
}

/* ═══════════════════════════════════════
   ANIMAÇÕES
   ═══════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(10px); }
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════
   RESPONSIVO
   ═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .sobre-inner { grid-template-columns: 1fr; gap: 3rem; }
  .sobre-text .section-title { text-align: left; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  /* nav mobile */
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: rgba(10,10,10,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--trans);
    z-index: 99;
  }
  .nav.open { transform: translateY(0); }
  .nav-link { padding: .9rem 1rem; font-size: 1rem; }
  .cta-nav { margin: .5rem 0 0; text-align: center; }

  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { width: 60px; height: 1px; }

  /* carousel: 1 slide on mobile */
  .carousel-slide { flex: 0 0 100%; margin-right: 0; }
  .prev { left: 0.5rem; }
  .next { right: 0.5rem; }

  .sobre-features { grid-template-columns: 1fr; }

  .steps { gap: .75rem; }
  .step-arrow { transform: rotate(90deg); }

  .lb-prev { left: .5rem; }
  .lb-next { right: .5rem; }
}

@media (max-width: 480px) {
  .brand-slogan { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { padding: 1rem 1.25rem; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .carousel-slide { flex: 0 0 calc(50% - .5rem); margin-right: 1rem; }
}