/* ==========================================
   RESIDENCIAL SANTANA - DESIGN SYSTEM
   Mobile-first, Premium, Conversion-focused
   ========================================== */

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

/* === CSS VARIABLES === */
:root {
  /* Colors */
  --bg-cream: #fbf8e5;
  --gray-main: #8a8a89;
  --accent-brown: #af7a47;
  --dark-brown: #785842;
  --cta-light: #ffebbe;
  --white: #ffffff;
  --overlay: rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* === BASE STYLES === */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.45;
  color: var(--dark-brown);
  background-color: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.025em;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-brown);
  color: var(--cta-light);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: #9a6739;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--dark-brown);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: #5f4333;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-hero-primary {
  background-color: var(--accent-brown);
  color: var(--cta-light);
  padding: 1rem 2.25rem;
  font-size: 1.0625rem;
  box-shadow: var(--shadow-lg);
}

.btn-hero-primary:hover {
  background-color: #9a6739;
  transform: scale(1.05);
}

.btn-hero-secondary {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 2px solid var(--white);
  backdrop-filter: blur(8px);
  padding: 1rem 2.25rem;
  font-size: 1.0625rem;
}

.btn-hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.btn-sticky {
  width: 100%;
  background-color: var(--accent-brown);
  color: var(--cta-light);
  padding: 1rem;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-cream);
  z-index: 100;
  transition: box-shadow var(--transition-normal);
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.logo img {
  width: 140px;
  height: auto;
}

@media (min-width: 768px) {
  .logo img {
    width: 180px;
  }
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('assets/images/hero.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.3),
      rgba(0, 0, 0, 0.5));
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: var(--spacing-lg);
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  animation: fadeInUp 0.8s ease;
}

.hero-logo-img {
  max-width: 100%;
  width: 500px;
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
  line-height: 1.5;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

@media (min-width: 640px) {
  .hero-ctas {
    flex-direction: row;
    justify-content: center;
  }
}

/* === SECTIONS === */
section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  color: var(--dark-brown);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--gray-main);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
}

/* === BOOKING SECTION === */
.booking-section {
  background-color: var(--white);
  padding-bottom: var(--spacing-lg);
}

.booking-subtitle {
  text-align: center;
  color: var(--gray-main);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

.booking-widget {
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* === UNIDADES === */
.unidades-section {
  background-color: var(--bg-cream);
}

.unidades-scroll {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  overflow-x: visible;
}

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

@media (min-width: 1024px) {
  .unidades-scroll {
    grid-template-columns: repeat(3, 1fr);
  }
}

.unidade-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.unidade-card:nth-child(1) {
  animation-delay: 0.1s;
}

.unidade-card:nth-child(2) {
  animation-delay: 0.2s;
}

.unidade-card:nth-child(3) {
  animation-delay: 0.3s;
}

.unidade-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.unidade-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
  position: relative;
}

.unidade-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.unidade-card:hover .unidade-image img {
  transform: scale(1.1);
}

/* Slideshow styles */
.slideshow-container {
  position: relative;
}

.slideshow-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slideshow-image.active {
  position: relative;
  opacity: 1;
}


.unidade-content {
  padding: var(--spacing-md);
}

.unidade-title {
  color: var(--dark-brown);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.unidade-description {
  color: var(--gray-main);
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem;
}

.unidade-amenities {
  list-style: none;
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.unidade-amenities li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--dark-brown);
  font-size: 0.875rem;
}

.unidade-amenities .icon {
  color: var(--accent-brown);
  flex-shrink: 0;
}

/* === GALERIA === */
.galeria-section {
  background-color: var(--white);
}

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.galeria-grid img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
  cursor: pointer;
}

.galeria-grid img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* === LIGHTBOX === */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-caption {
  color: var(--white);
  margin-top: var(--spacing-md);
  text-align: center;
  font-size: 1rem;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background-color: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--white);
  color: var(--white);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
}

.lightbox-close {
  top: 20px;
  right: 20px;
}

.lightbox-prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox-next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next:hover {
  transform: translateY(-50%) scale(1.1);
}

@media (max-width: 768px) {

  .lightbox-prev,
  .lightbox-next {
    width: 44px;
    height: 44px;
  }

  .lightbox-prev {
    left: 10px;
  }

  .lightbox-next {
    right: 10px;
  }

  .lightbox-close {
    top: 10px;
    right: 10px;
  }
}


/* === AMENIDADES === */
.amenidades-section {
  background-color: var(--bg-cream);
}

.amenidades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.amenidade-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  aspect-ratio: 1;
  /* Garante que sejam quadrados */
  height: 100%;
  /* Ocupa a altura total da grade */
}

.amenidade-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.amenidade-icon {
  height: 48px;
  width: auto;
  max-width: 100%;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.amenidade-title {
  color: var(--dark-brown);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  min-height: 2.4em;
  /* Reserva espaço para 2 linhas */
  display: flex;
  align-items: flex-start;
  /* Alinha texto no topo do container */
  justify-content: center;
}

/* === SOBRE === */
.sobre-section {
  background-color: var(--white);
}

.sobre-content {
  max-width: 800px;
  margin: 0 auto;
}

.sobre-text p {
  margin-bottom: var(--spacing-md);
  color: var(--dark-brown);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.sobre-subtitle {
  color: var(--dark-brown);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.sobre-list {
  list-style: none;
  padding-left: 0;
}

.sobre-list li {
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-sm);
  position: relative;
  color: var(--dark-brown);
}

.sobre-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-brown);
  font-weight: bold;
}

/* === CONTATO === */
.contato-section {
  background-color: var(--bg-cream);
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .contato-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contato-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contato-item {
  display: flex;
  gap: var(--spacing-md);
}

.contato-icon {
  color: var(--accent-brown);
  flex-shrink: 0;
}

.contato-label {
  font-weight: 600;
  color: var(--dark-brown);
  margin-bottom: var(--spacing-xs);
  font-size: 1.125rem;
}

.contato-link {
  color: var(--accent-brown);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contato-link:hover {
  color: var(--dark-brown);
  text-decoration: underline;
}

.link-map {
  color: var(--accent-brown);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: inline-block;
  transition: color var(--transition-fast);
}

.link-map:hover {
  color: var(--dark-brown);
}

.contato-mapa {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* === FAQ === */
.faq-section {
  background-color: var(--white);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

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

.faq-item {
  background-color: var(--bg-cream);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-brown);
}

.faq-question {
  color: var(--dark-brown);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.faq-answer {
  color: var(--gray-main);
  line-height: 1.6;
}

/* === FOOTER === */
.footer {
  background-color: var(--dark-brown);
  color: var(--bg-cream);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.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(3, 1fr);
  }
}

.footer-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--cta-light);
}

.footer-text {
  color: var(--bg-cream);
  opacity: 0.9;
}

.footer-heading {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--cta-light);
  font-weight: 600;
}

.footer-links,
.footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a,
.footer-contact a {
  color: var(--bg-cream);
  opacity: 0.9;
  transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
  opacity: 1;
  color: var(--cta-light);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(251, 248, 229, 0.2);
  color: var(--bg-cream);
  opacity: 0.8;
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-credits {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.footer-logo {
  height: 24px;
  width: auto;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
  display: block;
  flex-shrink: 0;
  /* Garante que a logo não suma em telas pequenas */
}

.footer-logo:hover {
  opacity: 1;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* === UTILITY CLASSES === */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}