/**
 * Layout CSS - Infinity Construtora
 *
 * Grid, containers, seções e estruturas de layout
 * Baseado na análise técnica da Grand Construtora
 */

/* ============================================
   CONTAINERS
   ============================================ */

.container-fluid {
  width: 100%;
  padding-right: var(--spacing-sm);
  padding-left: var(--spacing-sm);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 768px) {
  .container-fluid {
    padding-right: var(--spacing-lg);
    padding-left: var(--spacing-lg);
  }
}

/* ============================================
   SEÇÕES
   ============================================ */

section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

@media (max-width: 767px) {
  section {
    padding: var(--spacing-2xl) 0;
  }
}

/* ============================================
   HEADER (Da análise Grand)
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--header-height);
  background-image: var(--header-gradient);
  z-index: var(--z-index-fixed);
  transition: var(--transition-all);
  backdrop-filter: blur(10px);
}

.header.scrolled {
  height: var(--header-height-scrolled);
  background: var(--header-bg-scrolled);
  box-shadow: var(--shadow-md);
}

.header .container-fluid {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo img {
  height: 50px;
  width: auto;
  transition: var(--transition-transform);
}

.header.scrolled .header-logo img {
  height: 40px;
}

/* ============================================
   NAVEGAÇÃO
   ============================================ */

.navbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.navbar-nav {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav a {
  color: var(--infinity-white);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition-color);
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--infinity-gold);
  transition: width 0.3s ease;
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  width: 100%;
}

/* Mobile menu — controlado por mobile-redesign.css */

/* ============================================
   HERO SECTION (Da análise Grand)
   ============================================ */

.hero {
  position: relative;
  width: 100%;
  height: var(--carousel-height-mobile);
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    height: var(--carousel-height-desktop);
  }
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--carousel-transition);
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--carousel-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content {
  color: var(--infinity-white);
  max-width: 800px;
  padding: var(--spacing-lg);
}

.hero-content h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: var(--spacing-md);
  color: var(--infinity-white);
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: var(--font-size-6xl);
  }
}

/* Carousel Controls */
.carousel-controls {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  z-index: 10;
}

.carousel-prev,
.carousel-next {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid var(--infinity-white);
  border-radius: 50%;
  color: var(--infinity-white);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-all);
  backdrop-filter: blur(10px);
}

.carousel-prev:hover,
.carousel-next:hover {
  background: var(--infinity-gold);
  border-color: var(--infinity-gold);
  color: var(--infinity-black);
  transform: scale(1.1);
}

.carousel-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: var(--transition-all);
}

.carousel-dot.active {
  background: var(--infinity-gold);
  width: 30px;
  border-radius: 6px;
}

@media (max-width: 767px) {
  .carousel-prev,
  .carousel-next {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

/* ============================================
   GRID HORIZONTAL SCROLL (Da análise Grand)
   ============================================ */

.horizontal-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.horizontal-scroll::-webkit-scrollbar {
  display: none;
}

.horizontal-scroll-container {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--infinity-black);
  color: var(--gray-light);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-column h5 {
  color: var(--infinity-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  letter-spacing: var(--letter-spacing-wide);
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-column a {
  color: var(--gray-light);
  transition: var(--transition-color);
}

.footer-column a:hover {
  color: var(--infinity-gold);
}

.footer-bottom {
  border-top: 1px solid var(--gray-dark);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-sm);
}

/* ============================================
   ELEMENTOS FLUTUANTES
   ============================================ */

.floating-whatsapp {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-index-fixed);
  transition: var(--transition-transform);
  cursor: pointer;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

/* ============================================
   OVERLAY LOADING
   ============================================ */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--gray-dark);
  border-top-color: var(--infinity-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}