/* ============================================================
   GS Soluções Elétricas — CSS
   Paleta: #0A0A0A (fundo), #F5C400 (amarelo), #D0D0D0 (cinza)
   ============================================================ */

:root {
  --yellow: #F5C400;
  --yellow-dark: #D4AA00;
  --black: #0A0A0A;
  --dark: #111111;
  --card: #181818;
  --card-hover: #1E1E1E;
  --border: #2A2A2A;
  --gray: #A0A0A0;
  --light: #E0E0E0;
  --white: #FFFFFF;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --section-gap: 100px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.highlight { color: var(--yellow); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 12px;
}

.section { padding: var(--section-gap) 0; }
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--gray);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img { height: 48px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.btn-nav {
  background: var(--yellow) !important;
  color: var(--black) !important;
  padding: 10px 22px;
  border-radius: 6px;
  font-weight: 700 !important;
  font-size: 13px !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.btn-nav:hover { background: var(--yellow-dark) !important; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 196, 0, 0.12);
  border: 1px solid rgba(245, 196, 0, 0.3);
  color: var(--yellow);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 900;
  line-height: 1.0;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
  max-width: 800px;
}
.hero-sub {
  font-size: 18px;
  color: var(--gray);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-sub strong { color: var(--yellow); font-weight: 600; }

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--yellow);
  color: var(--black);
  font-weight: 700;
  font-size: 15px;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,196,0,0.35);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--border);
  color: var(--light);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--yellow);
  line-height: 1;
}
.stat-label { font-size: 12px; color: var(--gray); letter-spacing: 0.04em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  z-index: 2;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  margin-top: -4px;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  background: linear-gradient(135deg, var(--yellow), transparent) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); border-color: transparent; }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  color: var(--yellow);
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
  color: var(--white);
}
.service-card p { color: var(--gray); font-size: 14px; line-height: 1.65; }

/* ===== DIFERENCIAIS ===== */
.diferenciais {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.dif-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.dif-item {
  background: var(--dark);
  padding: 48px 40px;
  position: relative;
}
.dif-num {
  display: block;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  color: var(--yellow);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 16px;
  transition: opacity var(--transition);
}
.dif-item:hover .dif-num { opacity: 0.5; }
.dif-item h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 12px;
}
.dif-item p { color: var(--gray); font-size: 14px; line-height: 1.7; }

/* ===== PORTFOLIO ===== */
.portfolio-grid { margin-bottom: 40px; }
.portfolio-placeholder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.placeholder-card {
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
  cursor: pointer;
}
.placeholder-card:hover { border-color: var(--yellow); transform: translateY(-2px); }
.ph-icon { font-size: 2.5rem; display: block; margin-bottom: 12px; }
.placeholder-card p { color: var(--gray); font-size: 14px; }
.placeholder-card code {
  background: rgba(245,196,0,0.1);
  color: var(--yellow);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.portfolio-real-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.portfolio-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--card);
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.portfolio-item:hover img { transform: scale(1.06); }
.portfolio-item:hover .portfolio-item-overlay { opacity: 1; }
.portfolio-item-overlay span { color: var(--white); font-size: 14px; font-weight: 500; }

.portfolio-cta { text-align: center; }
.portfolio-cta p { color: var(--gray); margin-bottom: 16px; }

/* ===== DEPOIMENTOS ===== */
.depoimentos-section { background: var(--dark); }
.testimonials-wrap { overflow: hidden; position: relative; }
.testimonials-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s ease;
}
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  min-width: calc(33.333% - 14px);
  flex-shrink: 0;
}
.stars { color: var(--yellow); font-size: 18px; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card > p {
  color: var(--light);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.testimonial-author strong { display: block; color: var(--white); font-size: 14px; }
.testimonial-author span { color: var(--gray); font-size: 12px; }
.testimonials-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
  border: none;
}
.dot.active { background: var(--yellow); width: 24px; border-radius: 4px; }

/* ===== SOBRE ===== */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.sobre-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: visible;
}
.sobre-foto-placeholder {
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  aspect-ratio: 3/4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 3rem;
  color: var(--gray);
}
.sobre-foto-placeholder p { font-size: 14px; text-align: center; line-height: 1.6; }
.sobre-foto-real {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}
.sobre-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--black);
  border: 1px solid var(--yellow);
  color: var(--yellow);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sobre-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.sobre-text p { color: var(--gray); font-size: 15px; line-height: 1.75; margin-bottom: 16px; }
.sobre-text strong { color: var(--yellow); }
.sobre-bullets { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.bullet-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--light);
}
.bullet-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--yellow);
  flex-shrink: 0;
}

/* ===== CTA FINAL ===== */
.cta-final {
  background: var(--yellow);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '⚡';
  position: absolute;
  font-size: 320px;
  opacity: 0.06;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  line-height: 1;
  pointer-events: none;
}
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-bolt { font-size: 3rem; margin-bottom: 16px; display: block; }
.cta-final h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--black);
  line-height: 1.1;
  margin-bottom: 20px;
}
.cta-final h2 span { color: rgba(0,0,0,0.5); }
.cta-final p { color: rgba(0,0,0,0.65); font-size: 17px; margin-bottom: 40px; line-height: 1.6; }
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--black);
  color: var(--yellow);
  font-weight: 700;
  font-size: 17px;
  padding: 18px 40px;
  border-radius: var(--radius-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-cta 2.5s infinite;
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); animation: none; }
@keyframes pulse-cta {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,0,0,0.25); }
  50% { box-shadow: 0 0 0 12px rgba(0,0,0,0); }
}
.cta-note { margin-top: 20px; font-size: 13px; color: rgba(0,0,0,0.5); }

/* ===== FOOTER ===== */
.footer { background: #060606; border-top: 1px solid var(--border); padding: 64px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand img { margin-bottom: 16px; }
.footer-brand p { color: var(--gray); font-size: 14px; line-height: 1.65; }
.footer-links, .footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links strong, .footer-contact strong {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-links a, .footer-contact a {
  color: var(--gray);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-links a:hover, .footer-contact a:hover { color: var(--yellow); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
}
.footer-bottom p { color: var(--gray); font-size: 12px; }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-height: 80vh; max-width: 90vw; object-fit: contain; border-radius: var(--radius-sm); }
.lightbox p { color: var(--gray); margin-top: 16px; font-size: 14px; }
.lightbox-close {
  position: absolute;
  top: 24px; right: 24px;
  background: none;
  border: 1.5px solid var(--border);
  color: var(--white);
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}
.lightbox-close:hover { border-color: var(--yellow); color: var(--yellow); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .dif-grid { grid-template-columns: 1fr; }
  .sobre-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .testimonial-card { min-width: calc(50% - 10px); }
}

@media (max-width: 640px) {
  :root { --section-gap: 64px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: rgba(10,10,10,0.98); padding: 24px; gap: 20px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero-title { font-size: clamp(2.4rem, 10vw, 3.5rem); }
  .hero-sub { font-size: 15px; }
  .hero-btns { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-placeholder { grid-template-columns: repeat(2, 1fr); }
  .portfolio-real-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-card { min-width: calc(85%); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; transition: none !important; }
}