/* ==========================================================================
   Autentifuturo - Design System & Modern CSS
   Empresa de Remodelações & Restauros (+11 Anos de Experiência)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* --- Design Tokens / Variables --- */
:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Colors */
  --primary-brand: #AA0C1F;
  --primary-brand-hover: #8B0817;
  --primary-brand-light: rgba(170, 12, 31, 0.08);

  --dark-bg: #0F1318;
  --dark-surface: #171D24;
  --dark-card: #202731;

  --light-bg: #F8F9FA;
  --light-surface: #FFFFFF;

  --text-main: #1C232B;
  --text-muted: #5A6573;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;

  --gold-accent: #D4AF37;
  --gold-star: #FFB800;

  --border-color: #E2E8F0;
  --border-dark: #2D3748;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(170, 12, 31, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--light-bg);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography Helpers --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-brand-light);
  color: var(--primary-brand);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 48px auto;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-brand);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(170, 12, 31, 0.35);
}

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

.btn-secondary {
  background-color: var(--dark-surface);
  color: var(--text-white);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--text-white);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
}

/* --- Top Bar & Header --- */
.top-bar {
  background: var(--dark-bg);
  color: var(--text-light);
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-info {
  display: flex;
  gap: 24px;
  align-items: center;
}

.top-bar-info span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  font-weight: 600;
}

.lang-switch a {
  opacity: 0.6;
}

.lang-switch a.active {
  opacity: 1;
  color: var(--primary-brand);
}

header.navbar-wrapper {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo img {
  height: 52px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-brand);
  transition: var(--transition-fast);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  width: 26px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--dark-bg);
  color: var(--text-white);
  overflow: hidden;
  padding: 80px 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: brightness(0.7);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 19, 24, 0.95) 0%, rgba(15, 19, 24, 0.4) 100%);
}

.hero-grid {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold-accent);
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.75rem;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-content h1 span {
  color: var(--primary-brand);
}

.hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item h3 {
  font-size: 2.25rem;
  color: var(--text-white);
  font-weight: 800;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* Hero Card / Feature Box */
.hero-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

.hero-card-header {
  margin-bottom: 24px;
}

.hero-card-header h3 {
  color: var(--text-white);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.hero-card-header p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(170, 12, 31, 0.2);
  color: var(--primary-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
}

.feature-text h4 {
  font-size: 1rem;
  color: var(--text-white);
  font-weight: 600;
}

.feature-text p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* --- Trust Badges Strip --- */
.trust-strip {
  background: var(--light-surface);
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.trust-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.trust-card:hover {
  background: var(--light-bg);
}

.trust-card img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.trust-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.trust-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Interactive Before & After Section --- */
.before-after-section {
  padding: 100px 0;
  background: var(--light-bg);
}

.ba-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.ba-slider {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  user-select: none;
}

.ba-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ba-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-image-after {
  z-index: 1;
}

.ba-image-before {
  z-index: 2;
  width: 50%;
  overflow: hidden;
}

.ba-image-before img {
  width: 900px;
  max-width: none;
}

.ba-badge {
  position: absolute;
  top: 24px;
  padding: 8px 18px;
  background: rgba(15, 19, 24, 0.85);
  backdrop-filter: blur(8px);
  color: var(--text-white);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  z-index: 5;
  text-transform: uppercase;
}

.ba-badge-before {
  left: 24px;
}

.ba-badge-after {
  right: 24px;
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--text-white);
  z-index: 10;
  cursor: ew-resize;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
}

.ba-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-brand);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* --- Services Section --- */
.services-section {
  padding: 100px 0;
  background: var(--light-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--light-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-brand);
  opacity: 0;
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition-normal);
}

.service-icon-box img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.service-card:hover .service-icon-box {
  background: var(--primary-brand-light);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary-brand);
  font-size: 0.95rem;
}

.service-link:hover {
  gap: 12px;
}

/* --- About & Family Team Section --- */
.about-section {
  padding: 100px 0;
  background: var(--dark-bg);
  color: var(--text-white);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h2 {
  color: var(--text-white);
  font-size: 2.75rem;
  margin-bottom: 24px;
}

.about-content p {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

.team-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.team-member-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 260px;
  box-shadow: var(--shadow-md);
}

.team-member-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.team-member-card:hover img {
  transform: scale(1.06);
}

.team-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(15, 19, 24, 0.95), transparent);
}

.team-info h4 {
  color: var(--text-white);
  font-size: 1.1rem;
}

.team-info p {
  color: var(--gold-accent);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* --- Portfolio Gallery Section --- */
.portfolio-section {
  padding: 100px 0;
  background: var(--light-bg);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  background: var(--light-surface);
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid var(--border-color);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary-brand);
  color: var(--text-white);
  border-color: var(--primary-brand);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 320px;
  box-shadow: var(--shadow-sm);
  background: var(--dark-surface);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.portfolio-item:hover img {
  transform: scale(1.08);
  opacity: 0.85;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 19, 24, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h4 {
  color: var(--text-white);
  font-size: 1.25rem;
}

.portfolio-overlay p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* --- Testimonials Section --- */
.testimonials-section {
  padding: 100px 0;
  background: var(--light-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--light-bg);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: var(--gold-star);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 1rem;
  color: var(--text-main);
  font-style: italic;
  margin-bottom: 24px;
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
}

.author-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Custom Quote Platform Banner / Trigger --- */
.quote-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1A222B 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.quote-banner-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.quote-banner-text h2 {
  color: var(--text-white);
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.quote-banner-text p {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 0;
}

/* --- Modal for Custom Platform Embed --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 19, 24, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--light-surface);
  width: 100%;
  max-width: 700px;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--light-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition-bounce);
}

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

.whatsapp-float img {
  width: 34px;
  height: 34px;
}

/* --- Footer --- */
footer {
  background: var(--dark-bg);
  color: var(--text-light);
  padding: 80px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-col h4 {
  color: var(--text-white);
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.footer-col p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--primary-brand);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.85rem;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid, .about-grid {
    grid-template-columns: 1fr;
  }
  .services-grid, .portfolio-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--light-surface);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: var(--transition-normal);
  }
  .nav-menu.active {
    transform: translateY(0);
  }
  .hamburger {
    display: flex;
  }
  .services-grid, .portfolio-grid, .testimonials-grid, .trust-grid {
    grid-template-columns: 1fr;
  }
  .ba-slider {
    height: 350px;
  }
  .quote-banner-box {
    flex-direction: column;
    text-align: center;
  }
}