:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #0f172a;
  --whatsapp: #25D366;
  --whatsapp-hover: #1ea952;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  --modal-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 0.85rem 0;
}

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

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.logo span {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-phone {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-phone:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #f1f5f9;
  color: var(--secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

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

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at top right, #e0f2fe 0%, #ffffff 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 3.5rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: 2.85rem;
  line-height: 1.18;
  color: var(--secondary);
  margin-bottom: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.trust-indicators {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Quick Estimate / Booking Hero Card */
.hero-card {
  background: #ffffff;
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.hero-card h3 {
  font-size: 1.3rem;
  color: var(--secondary);
  margin-bottom: 0.4rem;
}

.hero-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-card .form-group {
  margin-bottom: 1rem;
}

.hero-card label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-dark);
}

.hero-card input, .hero-card select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.hero-card input:focus, .hero-card select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

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

.section-title {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem;
}

.section-title h2 {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.section-title p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Grid & Service Cards */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: #ffffff;
  padding: 2.25rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.service-icon {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
  display: inline-block;
}

.card h3 {
  font-size: 1.3rem;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.service-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.service-card.highlighted {
  border: 2px solid var(--primary);
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.15);
}

.badge-card {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

/* Steps Grid */
.steps-grid {
  gap: 2.5rem;
}

.step-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* FAQ Accordion */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.75rem;
  line-height: 1.6;
}

/* Floating Sticky WhatsApp Button */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.wa-float-icon {
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.wa-float:hover .wa-float-icon {
  transform: scale(1.12);
  background: var(--whatsapp-hover);
}

.wa-float-label {
  background: #ffffff;
  color: var(--text-dark);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border);
  pointer-events: auto;
}

/* Lead Capture Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity 0.2s;
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal-box {
  background: #ffffff;
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  max-width: 420px;
  width: 100%;
  position: relative;
  box-shadow: var(--modal-shadow);
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-dark);
}

.modal-box h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
  color: var(--secondary);
}

.modal-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.modal-box label {
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-dark);
}

.modal-box input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.modal-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Footer */
.footer {
  background: var(--secondary);
  color: #94a3b8;
  padding: 3rem 0;
  border-top: 1px solid #1e293b;
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer a {
  color: #cbd5e1;
  text-decoration: none;
}

.footer a:hover {
  color: #ffffff;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }
  h1 {
    font-size: 2rem;
  }
  .hero-cta-group {
    flex-direction: column;
  }
  .wa-float-label {
    display: none;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}