/* ==========================================================================
   RBT DESENTUPIDORA & CAÇA VAZAMENTOS - STYLES.CSS
   Design System, Glassmorphism, Responsive Grid & Micro-animations
   ========================================================================== */

@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');

:root {
  /* Brand Colors */
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: rgba(2, 132, 199, 0.15);
  --accent: #38bdf8;
  --whatsapp: #22c55e;
  --whatsapp-hover: #16a34a;
  --whatsapp-glow: rgba(34, 197, 94, 0.35);
  --warning: #f59e0b;

  /* Theme Colors (Dark Slate Aesthetic) */
  --bg-dark: #090d16;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-elevated: #1e293b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.3);

  /* Typography */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --font-main: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Effects */
  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(2, 132, 199, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(34, 197, 94, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

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

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

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent) 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-green {
  color: var(--whatsapp);
}

.text-yellow {
  color: var(--warning);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px -4px var(--whatsapp-glow);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -2px rgba(34, 197, 94, 0.5);
  background: linear-gradient(135deg, #25d366 0%, #16a34a 100%);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px -4px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -2px rgba(2, 132, 199, 0.6);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--accent);
  color: #fff;
}

.btn-pulse {
  animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { box-shadow: 0 0 0 14px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: var(--glass-border);
  padding: 0.875rem 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #4ade80;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 2px solid #22c55e;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.header-phone i {
  color: var(--accent);
}

/* Hero Section */
.hero {
  padding: 4rem 0 3rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--primary-light);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.trust-item i {
  color: var(--accent);
  font-size: 1.1rem;
}

/* Hero Tech Scanner Card */
.tech-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.scanner-box {
  position: relative;
  width: 100%;
  height: 220px;
  background: rgba(2, 6, 23, 0.8);
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.scanner-radar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.3);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scanner-radar::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  animation: rotate-radar 2.5s linear infinite;
}

.scanner-center {
  width: 16px;
  height: 16px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--accent);
}

.scanner-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  box-shadow: 0 0 15px var(--accent);
  animation: scan-vertical 3s ease-in-out infinite alternate;
}

@keyframes rotate-radar {
  100% { transform: rotate(360deg); }
}

@keyframes scan-vertical {
  0% { top: 10%; }
  100% { top: 90%; }
}

.tech-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat-card {
  background: rgba(30, 41, 59, 0.6);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  text-align: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section Common */
.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-subtitle {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* 3-Step Simulator Section */
.simulator-section {
  background: rgba(15, 23, 42, 0.4);
  position: relative;
}

.simulator-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px);
}

.stepper-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: relative;
}

.stepper-header::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--bg-elevated);
  z-index: 1;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 2;
  position: relative;
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
  transition: var(--transition);
}

.step-item.active .step-number {
  background: var(--primary);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 15px rgba(2, 132, 199, 0.5);
}

.step-item.completed .step-number {
  background: var(--whatsapp);
  border-color: var(--whatsapp);
  color: #fff;
}

.step-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.step-item.active .step-label {
  color: var(--text-primary);
}

.simulator-step-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.simulator-step-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.option-tile {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.option-tile:hover {
  border-color: var(--border-glow);
  background: rgba(30, 41, 59, 0.8);
  transform: translateY(-2px);
}

.option-tile.selected {
  border-color: var(--accent);
  background: var(--primary-light);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.option-tile i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}

.option-tile h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.option-tile p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: #fff;
  font-family: var(--font-main);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.simulator-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Coverage Searcher */
.coverage-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--glass-shadow);
}

.search-box-wrapper {
  max-width: 600px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.search-input-group {
  display: flex;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.9);
  padding: 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.search-input-group input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.75rem 1.25rem;
  color: #fff;
  font-size: 1rem;
  outline: none;
}

.coverage-result {
  max-width: 600px;
  margin: 1rem auto 0;
  padding: 1rem;
  border-radius: var(--radius-md);
  display: none;
  animation: fadeIn 0.3s ease;
}

.coverage-result.success {
  display: block;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #4ade80;
}

.coverage-result.info {
  display: block;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(2, 132, 199, 0.4);
  color: var(--accent);
}

.region-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag-badge {
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--glass-shadow);
}

.service-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
  transform: scale(1.08);
}

.service-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glow);
  color: var(--accent);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.service-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.service-features {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features li i {
  color: var(--whatsapp);
  font-size: 0.8rem;
}

/* Video Section */
.video-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.video-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

.video-wrapper video {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

/* Gallery & Lightbox */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  height: auto;
  cursor: pointer;
  border: var(--glass-border);
  background: var(--bg-elevated);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9, 13, 22, 0.9) 0%, transparent 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

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

.gallery-overlay h4 {
  font-size: 1.1rem;
  color: #fff;
}

.gallery-overlay p {
  font-size: 0.8125rem;
  color: var(--accent);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--glass-border);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 10;
}

.lightbox-img-wrapper {
  max-height: 60vh;
  overflow: hidden;
  background: #000;
}

.lightbox-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lightbox-caption {
  padding: 1.5rem;
}

/* Footer */
.footer {
  background: #050811;
  border-top: var(--glass-border);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.footer-col p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.footer-contacts li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.footer-contacts li i {
  color: var(--accent);
  margin-top: 0.2rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Floating WhatsApp Button */
.float-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #ffffff;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.4);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
}

.float-whatsapp i {
  font-size: 1.5rem;
}

.float-whatsapp:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 30px rgba(34, 197, 94, 0.6);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-description {
    margin: 0 auto 2rem;
  }
  .hero-ctas {
    justify-content: center;
  }
  .trust-pills {
    justify-content: center;
  }
  .tech-card {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .header-phone {
    display: none;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .simulator-card, .coverage-card {
    padding: 1.5rem 1rem;
  }
  .stepper-header::before {
    display: none;
  }
  .float-whatsapp span {
    display: none;
  }
  .float-whatsapp {
    padding: 1rem;
    border-radius: 50%;
    bottom: 1.5rem;
    right: 1.5rem;
  }
}