/* ==========================================================================
   VARIABLES & DESIGN SYSTEM (ELETRÔNICA SUPER SOM)
   ========================================================================== */
:root {
  --primary: #f1c40f; /* Amarelo/Dourado da Logo */
  --primary-hover: #d4ac0d;
  --bg-dark: #0d0d0d;
  --bg-dark-surface: #171717;
  --bg-light: #f9f9f9;
  --bg-light-alt: #efefef;
  --text-dark: #1a1a1a;
  --text-muted-dark: #555555;
  --text-light: #ffffff;
  --text-muted-light: #b0b0b0;
  --border-light: rgba(0, 0, 0, 0.08);
  --border-dark: rgba(255, 255, 255, 0.12);
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 90px 0;
}

.bg-alt {
  background-color: var(--bg-light-alt);
}

.center, .text-center {
  text-align: center;
}

/* Typography Helpers */
.eyebrow {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.eyebrow-dark {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #b89100;
  margin-bottom: 12px;
  font-weight: 700;
}

h2 {
  font-size: 2.3rem;
  line-height: 1.25;
  margin-bottom: 20px;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background-color: var(--primary);
  color: #000;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.btn-primary-sm {
  display: inline-block;
  background-color: var(--primary);
  color: #000;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.btn-primary-sm:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   HEADER & LOGO (FUNDO PRETO APLICADO)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-dark);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  background-color: #000000;
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--primary);
  letter-spacing: 0.2em;
}

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

.nav-desktop a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-desktop a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: #fff;
}

.nav-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--bg-dark);
  padding: 80px 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition-smooth);
}

.nav-mobile.active {
  right: 0;
}

.nav-mobile a {
  color: #fff;
  font-size: 1.1rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 60px;
  color: #fff;
}

.hero-video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background-color: #000;
}

.bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(13,13,13,0.75) 0%, rgba(13,13,13,0.92) 100%);
}

.hero-content {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted-light);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   STATISTICS
   ========================================================================== */
.stats-section {
  background-color: var(--bg-dark-surface);
  color: #fff;
  padding: 35px 0;
  border-bottom: 1px solid var(--border-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted-light);
}

/* ==========================================================================
   GRIDS, CARDS & PRODUTOS
   ========================================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.section-header {
  margin-bottom: 45px;
  max-width: 650px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
}

/* Sobre */
.sobre-text p {
  margin-bottom: 16px;
  color: var(--text-muted-dark);
}

.media-box {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  display: flex;
  justify-content: center;
  background-color: #000000;
  padding: 20px;
}

.card-img {
  width: 100%;
  max-width: 380px;
  height: auto;
  object-fit: contain;
}

/* Serviços e Produtos */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: #fff;
  padding: 30px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}

.service-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-hover);
  margin-bottom: 12px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted-dark);
}

/* Fotos dos Produtos */
.product-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
}

/* CTA Banner */
.cta-banner {
  background-color: var(--bg-dark);
  color: #fff;
  padding: 70px 24px;
}

.cta-banner h2 {
  color: #fff;
}

.cta-banner p {
  color: var(--text-muted-light);
  margin-bottom: 24px;
}

/* Contato */
.contact-list {
  list-style: none;
  margin: 20px 0 28px;
}

.contact-list li {
  margin-bottom: 16px;
  font-size: 1rem;
}

.contact-list a {
  color: #000;
  font-weight: 700;
}

.placeholder-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e2e2e2;
  border: 2px dashed #b5b5b5;
  color: #555;
  font-size: 0.85rem;
  border-radius: 6px;
}

/* Footer */
.footer {
  background-color: var(--bg-dark-surface);
  color: #fff;
  padding: 50px 0 25px;
  border-top: 1px solid var(--border-dark);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-logo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  background-color: #000000;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted-light);
  font-size: 0.85rem;
  max-width: 320px;
}

.footer h6 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.footer-links, .footer-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a, .footer-social a {
  color: var(--text-muted-light);
  font-size: 0.85rem;
}

.footer-links a:hover, .footer-social a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 20px;
  font-size: 0.75rem;
  color: var(--text-muted-light);
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */
@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}