/* ===========================
   Root variables & global reset
   =========================== */
:root {
  --main-color: #8b4513d7;
  --secondary-color: #f5f5f5;
  --dark: #333;
}

/* Reset margins, paddings and default font */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Add top padding so content is not hidden behind fixed header */
body {
  background-color: #fff;
  color: #333;
  padding-top: 80px;
}

/* When lightbox is open, lock scroll and hide header */
body.lightbox-open {
  overflow: hidden;
}

body.lightbox-open header {
  display: none;
}

/* ===========================
   Header & navigation
   =========================== */

/* Default header style */
header {
  background: #f2f2f2;
  color: #000;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: padding 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

/* Smaller header style when scrolling */
header.header-small {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  background: #f8f8f8;
}

/* Inner navbar container */
.navbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: padding 0.3s ease;
}

/* Logo image size and smooth resizing */
.logo-img {
  height: 60px;
  width: auto;
  display: block;
  transition: height 0.3s ease;
}

/* Logo container */
.logo {
  margin: 0;
}

/* Make logo clickable area consistent */
.logo a {
  display: inline-block;
}

/* Navigation links container */
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

/* Navigation links style */
.nav-links a {
  color: #000;
  text-decoration: none;
  font-weight: bold;
  position: relative;
}

/* Underline animation on nav links */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: var(--main-color);
  transition: width 0.5s;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Smaller header padding when class is applied */
header.header-small .navbar {
  padding: 0.4rem 2rem;
}

/* Smaller logo when header is shrunk */
header.header-small .logo-img {
  height: 40px;
}

/* ===========================
   Hero section (home page)
   =========================== */

/* Hero background image and main container */
.hero {
  background-image: url("images/frente-com-luzes.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 95%;
  background-attachment: fixed;
  height: 90vh;
  position: relative;
}

/* Dark overlay on top of hero image */
.hero-overlay {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Centered content in hero */
.hero-content {
  text-align: center;
  color: white;
  padding: 2rem;
  border-radius: 1rem;
}

/* Hero title */
.hero-content h2 {
  font-size: 2.3rem;
  margin-bottom: 1rem;
}

/* Hero subtitle */
.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

/* Generic primary button animation*/
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.btn-primary:hover::after {
  transform: scaleX(1);
}

/* ===========================
   "Sobre" section (home simple about)
   =========================== */

/* Wrapper for simple about section on home */
.sobre {
  padding: 3rem 2rem;
}

/* Inner container for about text on home */
.sobre-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

/* About heading */
.sobre h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

/* About paragraph */
.sobre p {
  line-height: 1.6;
}

/* ===========================
   Gallery / product highlight on home
   =========================== */

/* Section wrapping the gallery on the home page */
.galeria {
  padding: 3rem 2rem;
  text-align: center;
  background: var(--secondary-color);
}

/* Title for gallery */
.galeria h3 {
  font-size: 2rem;
}

/* Subtitle under gallery title */
.galeria-subtitle {
  margin-top: 0.5rem;
  color: #666;
}

/* ===========================
   Products carousel on home
   =========================== */

/* Outer container of the carousel */
.produtos-carousel {
  max-width: 1100px;
  margin: 2rem auto 0 auto;
  overflow: hidden;
}

/* Flex container with all slides */
.produtos-track {
  display: flex;
  gap: 2rem;
  transition: transform 0.5s ease;
}

/* Single product card in carousel */
.produto {
  flex: 0 0 calc(100% / 3);
  text-align: center;
}

/* Product image in carousel */
.produto img {
  width: 100%;
  border-radius: 0.5rem;
  object-fit: cover;
  height: 320px;
}

/* Product name under image */
.produto p {
  margin-top: 0.5rem;
  font-weight: bold;
}

/* Carousel navigation buttons*/
.carousel-btn {
  border: none;
  background: rgba(0, 0, 0, 0.05);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.1s;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

/* ===========================
   Global lightbox for images
   =========================== */

/* Fullscreen dark overlay for enlarged images */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
}

/* Enlarged image inside lightbox */
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
  transition: transform 0.3s ease;
}

/* Slight zoom on hover to make it feel interactive */
.lightbox img:hover {
  transform: scale(1.03);
}

/* Gallery images that can open the lightbox */
.galeria-img {
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.galeria-img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===========================
   Contacts section (generic)
   =========================== */

/* Wrapper for contacts sections */
.contactos {
  padding: 3rem 2rem;
}

/* Main title in contacts page */
.contactos h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

/* Grid layout for contacts*/
.contactos-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 2rem;
}

/* Contacts text info block */
.contactos-info p {
  margin-bottom: 0.5rem;
}

/* Links inside contacts info */
.contactos-info a {
  color: var(--main-color);
  text-decoration: none;
}

.contactos-info a:hover {
  text-decoration: underline;
}

/* Map link/button styling */
.contactos-mapa a {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.2rem;
  border-radius: 0.4rem;
  border: 1px solid var(--main-color);
  text-decoration: none;
  color: var(--main-color);
  transition: background 0.2s, color 0.2s;
}

.contactos-mapa a:hover {
  background: var(--main-color);
  color: #fff;
}

/* Social media vertical list on contacts page */
.contactos-socials {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

/* Single social media row */
.contact-social-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

/* Container for social icon */
.contact-social-icon img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Hover effect for social links */
.contact-social-link:hover {
  text-decoration: underline;
}

/* Highlight box on contacts page */
.contact-highlight {
  max-width: 1100px;
  margin: 2.5rem auto 0 auto;
  padding: 1.5rem 1.5rem;
  border-radius: 0.8rem;
  background: #f7f2ec;
  display: flex;
  gap: 1.2rem;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Icon inside the highlight box */
.contact-highlight-icon img {
  width: 52px;
  height: 52px;
}

/* Title line in highlight box */
.contact-highlight-title {
  font-weight: 700;
  margin-bottom: 0.3rem;
}

/* Text inside highlight box */
.contact-highlight-text p {
  margin: 0;
  line-height: 1.5;
}

/* ===========================
   Footer
   =========================== */

/* Main footer bar at very bottom */
footer {
  background: #3a342f;
  color: white;
  text-align: center;
  padding: 1.2rem;
  font-size: 0.85rem;
}

/* Extended footer contact area above main footer */
.footer-contact {
  background: #494242;
  color: #fff;
  padding: 3rem 2rem 2rem;
  margin-top: 3rem;
}

/* Inner grid for extended footer */
.footer-contact-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

/* Column inside footer contact */
.footer-col h4 {
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

/* Footer text paragraphs */
.footer-col p {
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

/* Footer links */
.footer-col a {
  color: #fff;
  text-decoration: none;
}

.footer-col a:hover {
  text-decoration: underline;
}

/* Small note under phone number */
.contact-note {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* Row of social icons in footer */
.footer-socials {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

/* Social icons size and hover animation */
.footer-socials img {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.footer-socials a:hover img {
  transform: translateY(-2px);
  opacity: 0.85;
}

/* ===========================
   Products page layout
   =========================== */

/* Wrapper for products page content */
.produtos-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header text on products page */
.produtos-header {
  text-align: center;
  margin-bottom: 2rem;
}

/* Products page title */
.produtos-header h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Sticky filter bar wrapper */
.filtros-wrapper {
  position: sticky;
  top: 60px;
  z-index: 900;
  background: #f5f5f5;
  padding: 0.75rem 0 1rem;
  border-bottom: 1px solid #e0e0e0;
}

/* Inner filter buttons container */
.filtros {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

/* Filter button style */
.filtro-btn {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--main-color);
  background: white;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s, transform 0.1s;
}

/* Hover feedback on filter buttons */
.filtro-btn:hover {
  background: var(--main-color);
  color: #fff;
  transform: translateY(-1px);
}

/* Active filter button */
.filtro-btn.active {
  background: var(--main-color);
  color: #fff;
}

/* Grid of product cards on products page */
.produtos-grid-page {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

/* Single product card styling */
.produto-card {
  background: #fff;
  border-radius: 0.8rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Hover effect on product cards */
.produto-card:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Product image in card */
.produto-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

/* Product name in card */
.produto-card h3 {
  font-size: 1.1rem;
  margin: 0.8rem 1rem 0.3rem 1rem;
}

/* Product description in card */
.produto-card p {
  font-size: 0.9rem;
  margin: 0 1rem 1rem 1rem;
  color: #555;
}

/* ===========================
   About page layout
   =========================== */

/* Wrapper for about page main content */
.sobre-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

/* Two-column layout */
.sobre-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

/* About page image styling */
.sobre-imagem img {
  width: 100%;
  border-radius: 0.8rem;
  object-fit: cover;
  max-height: 420px;
}

/* About page text block */
.sobre-texto h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Paragraphs on about page */
.sobre-texto p {
  line-height: 1.6;
  margin-bottom: 0.8rem;
}

/* Call to action area under gallery */
.galeria-cta {
  margin-top: 2rem;
  text-align: center;
}

/* Button appearance inside gallery call to action */
.galeria-cta .btn-primary {
  display: inline-block;
}

/* ===========================
   Contacts page layout
   =========================== */

/* Contacts wrapper specific for contacts page with bigger grid */
.contactos-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

/* Embedded Google Maps iframe styling */
.contactos-mapa iframe {
  width: 100%;
  height: 350px;
  border: 0;
  border-radius: 0.6rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Contacts page text style */
.contactos-info {
  font-size: 0.95rem;
  color: #444;
}

/* Small label above each contact field */
.contactos-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-bottom: 0.2rem;
}

/* Main value for contact fields */
.contactos-valor {
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

/* Links inside contact value block */
.contactos-valor a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
}

.contactos-valor a:hover {
  text-decoration: underline;
}

/* Note under phone number */
.contactos-nota {
  font-size: 0.8rem;
  color: #888;
}

/* ===========================
   Reveal animation
   =========================== */

/* Classes to animate elements on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   Mobile navigation toggle button
   =========================== */

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* ===========================
   Responsive adjustments
   =========================== */

/* Global mobile breakpoint */
@media (max-width: 768px) {
  /* Stack logo and links more naturally */
  .navbar {
    flex-wrap: wrap;
    flex-direction: column;
    gap: 1rem;
  }

  /* Adjust hero height and background behavior on small screens */
  .hero {
    height: 70vh;
    background-attachment: scroll;
    background-position: center 40%;
  }

  /* Products in home carousel occupy full width on mobile */
  .produto {
    flex: 0 0 100%;
  }

  .produto img {
    height: 260px;
  }

  /* About page layout becomes single column on mobile */
  .sobre-layout {
    grid-template-columns: 1fr;
  }

  .sobre-page {
    padding: 2rem 1.2rem;
  }

  /* Contacts grid becomes single column on mobile */
  .contactos-grid {
    grid-template-columns: 1fr;
  }

  .contactos {
    padding: 2.5rem 1.5rem;
  }

  /* Footer contact padding reduced on mobile */
  .footer-contact {
    padding: 2.5rem 1.5rem 2rem;
  }

  /* Sticky filters slightly lower for mobile because of header height */
  .filtros-wrapper {
    top: 70px;
  }

  /* Show mobile nav toggle button */
  .nav-toggle {
    display: block;
  }

  /* Hide nav links by default on mobile */
  .nav-links {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
    flex-wrap: wrap;
    display: none;
  }

  /* Show nav links when .open is toggled by JS */
  .nav-links.open {
    display: flex;
  }

  /* Contact highlight box spacing on mobile */
  .contact-highlight {
    padding: 1.2rem 1rem;
    margin-top: 2rem;
  }
}