/* ==========================================================================
   CONSTRUTEX ENGENHARIA – SENIOR REDESIGN
   Premium Corporate Landing Page • Paleta Azul & Verde
   Design System: Editorial, Clean, High-Impact
   ========================================================================== */

/* ═══════════════════════════════════════════════════
   1. DESIGN TOKENS & CUSTOM PROPERTIES
   ═══════════════════════════════════════════════════ */
:root {
  /* Palette — Brand Core */
  --blue-950: #061B2E;
  --blue-900: #0A2540;
  --blue-800: #0B3B60;
  --blue-700: #145080;
  --blue-600: #1D6AA5;
  --blue-500: #2680C2;
  --blue-400: #4098D7;
  --blue-100: #DBEAFE;
  --blue-50:  #EFF6FF;

  --green-900: #064E2C;
  --green-800: #00874E;
  --green-700: #059669;
  --green-600: #10B981;
  --green-500: #34D399;
  --green-100: #D1FAE5;
  --green-50:  #ECFDF5;

  --teal-700: #0E7A8A;
  --teal-600: #00A8B5;
  --teal-500: #14B8C6;
  --teal-100: #CCFBF1;
  --teal-50:  #F0FDFA;

  --amber-500: #F59E0B;

  /* Palette — Neutrals */
  --gray-950: #020617;
  --gray-900: #0F172A;
  --gray-800: #1E293B;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748B;
  --gray-400: #94A3B8;
  --gray-300: #CBD5E1;
  --gray-200: #E2E8F0;
  --gray-100: #F1F5F9;
  --gray-50:  #F8FAFC;
  --white:    #FFFFFF;

  /* Semantic Aliases */
  --bg-body:     var(--gray-50);
  --bg-card:     var(--white);
  --bg-muted:    var(--gray-100);
  --text-heading: var(--blue-900);
  --text-body:   var(--gray-600);
  --text-strong: var(--gray-900);
  --accent:      var(--green-800);
  --accent-hover: var(--green-900);
  --border-color: var(--gray-200);

  /* Typography */
  --ff-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --ff-body:    'Inter', system-ui, -apple-system, sans-serif;

  /* Sizing */
  --max-w: 1280px;
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-full: 9999px;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
  --shadow-sm: 0 2px 8px -1px rgba(11,59,96,.06);
  --shadow-md: 0 8px 24px -4px rgba(11,59,96,.08), 0 2px 8px -2px rgba(0,135,78,.04);
  --shadow-lg: 0 20px 44px -6px rgba(11,59,96,.12), 0 8px 20px -4px rgba(0,168,181,.06);
  --shadow-xl: 0 32px 64px -8px rgba(6,27,46,.18);

  /* Motion */
  --ease-out: cubic-bezier(.25,.46,.45,.94);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --dur-fast: .18s;
  --dur-base: .3s;
  --dur-slow: .5s;
}

/* ═══════════════════════════════════════════════════
   2. RESET & BASE TYPOGRAPHY
   ═══════════════════════════════════════════════════ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul,ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: 1.25rem;
}

@media (min-width:768px)  { .container { padding-inline: 2rem; } }
@media (min-width:1200px) { .container { padding-inline: 2.5rem; } }

/* Material Symbols fix */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 22px;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════════
   3. SCROLL REVEAL ANIMATIONS
   ═══════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ═══════════════════════════════════════════════════
   4. BUTTONS
   ═══════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .9rem 1.8rem;
  font-family: var(--ff-display);
  font-size: .9375rem;
  font-weight: 700;
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.18) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--green-800);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0,135,78,.3);
}
.btn-primary:hover {
  background: var(--green-900);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,135,78,.4);
}

.btn-secondary {
  background: var(--blue-700);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(11,59,96,.25);
}
.btn-secondary:hover {
  background: var(--blue-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11,59,96,.35);
}

.btn-outline {
  background: transparent;
  color: var(--blue-800);
  border-color: var(--blue-800);
}
.btn-outline:hover {
  background: var(--blue-800);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white-solid {
  background: var(--white);
  color: var(--blue-900);
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
}
.btn-white-solid:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

.btn-ghost {
  background: rgba(255,255,255,.12);
  color: var(--white);
  border-color: rgba(255,255,255,.3);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.5);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════
   5. FLOATING WHATSAPP
   ═══════════════════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.45);
  transition: all var(--dur-base) var(--ease-spring);
}
.whatsapp-float:hover {
  transform: scale(1.12) rotate(5deg);
  box-shadow: 0 12px 32px rgba(37,211,102,.6);
}
.whatsapp-float svg { width: 30px; height: 30px; fill: currentColor; }

/* Pulse ring */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 3px solid rgba(37,211,102,.4);
  animation: waPulse 2s ease-out infinite;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* ═══════════════════════════════════════════════════
   6. HEADER / NAV
   ═══════════════════════════════════════════════════ */
.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--dur-base);
}
.header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
}
.brand-logo-svg { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--blue-900);
  line-height: 1.15;
  letter-spacing: -.025em;
}
.brand-tagline {
  font-size: .7rem;
  font-weight: 700;
  color: var(--teal-600);
  text-transform: uppercase;
  letter-spacing: .14em;
}

/* Nav links */
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width:992px) { .nav-links { display: flex; } }

.nav-links a {
  font-family: var(--ff-display);
  font-size: .925rem;
  font-weight: 600;
  color: var(--gray-600);
  padding: .35rem 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2.5px;
  border-radius: 2px;
  background: var(--green-800);
  transition: width var(--dur-base) var(--ease-out);
}
.nav-links a:hover {
  color: var(--blue-800);
}
.nav-links a:hover::after {
  width: 100%;
}

.header-cta { display: none; }
@media (min-width:992px) { .header-cta { display: flex; } }

/* Mobile toggle */
.mobile-toggle {
  display: flex;
  padding: .5rem;
  color: var(--blue-800);
}
@media (min-width:992px) { .mobile-toggle { display: none; } }

/* ═══════════════════════════════════════════════════
   7. HERO SECTION
   ═══════════════════════════════════════════════════ */
.hero {
  position: relative;
  padding-top: 80px;
  overflow: hidden;
  background: var(--blue-900);
  min-height: 95vh;
  display: flex;
  align-items: center;
}

/* Background image layer */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6,27,46,.92) 0%,
    rgba(11,59,96,.82) 40%,
    rgba(0,135,78,.45) 100%
  );
}

/* Geometric ornament */
.hero-ornament {
  position: absolute;
  bottom: -120px;
  right: -60px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 80px solid rgba(0,168,181,.06);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width:992px) {
  .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 4rem; }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem 1.1rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  border-radius: var(--r-full);
  font-size: .825rem;
  font-weight: 700;
  color: var(--green-500);
  margin-bottom: 1.75rem;
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -.03em;
}
.hero-title .text-gradient {
  background: linear-gradient(135deg, var(--green-500), var(--teal-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.78);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* Hero stats row */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 2.5rem;
}

.hero-stat {
  text-align: left;
}
.hero-stat-value {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--white);
  line-height: 1;
  margin-bottom: .35rem;
}
.hero-stat-value .accent-num {
  color: var(--green-500);
}
.hero-stat-label {
  font-size: .8rem;
  font-weight: 600;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* Hero visual side */
.hero-visual {
  position: relative;
  display: none;
}
@media (min-width:992px) { .hero-visual { display: block; } }

.hero-card-stack {
  position: relative;
}

.hero-img-main {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid rgba(255,255,255,.12);
  position: relative;
}
.hero-img-main img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 6s ease;
}
.hero-img-main:hover img { transform: scale(1.06); }

.hero-img-secondary {
  position: absolute;
  bottom: -30px;
  left: -40px;
  width: 200px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 3px solid var(--white);
  box-shadow: var(--shadow-lg);
}
.hero-img-secondary img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

/* Glass badge on hero card */
.hero-glass-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: .65rem 1rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .4rem;
}

/* ═══════════════════════════════════════════════════
   8. TRUST BAR (Logos / Numbers)
   ═══════════════════════════════════════════════════ */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 0;
}

.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
}

.trust-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
}

.trust-value {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--blue-800);
}

.trust-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ═══════════════════════════════════════════════════
   9. SECTION UTILITIES
   ═══════════════════════════════════════════════════ */
.section {
  padding: 6rem 0;
}
.section-alt {
  background: var(--white);
}
.section-dark {
  background: var(--blue-900);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--ff-display);
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green-800);
  margin-bottom: .75rem;
}
.section-dark .section-tag { color: var(--green-500); }

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--blue-900);
  line-height: 1.2;
  margin-bottom: 1.1rem;
  letter-spacing: -.025em;
}
.section-dark .section-title { color: var(--white); }

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
}
.section-dark .section-sub { color: rgba(255,255,255,.65); }

/* ═══════════════════════════════════════════════════
   10. ABOUT / QUEM SOMOS
   ═══════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width:768px) { .about-grid { grid-template-columns: repeat(3, 1fr); } }

.about-card {
  background: var(--bg-body);
  padding: 2.25rem 2rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border-color);
  position: relative;
  transition: all var(--dur-base) var(--ease-out);
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-800), var(--green-800));
  border-radius: var(--r-md) var(--r-md) 0 0;
  opacity: 0;
  transition: opacity var(--dur-base);
}
.about-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--teal-500);
}
.about-card:hover::before { opacity: 1; }

.about-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 28px;
}
.about-icon.blue { background: var(--blue-100); color: var(--blue-700); }
.about-icon.green { background: var(--green-100); color: var(--green-800); }
.about-icon.teal { background: var(--teal-100); color: var(--teal-700); }

.about-card h3 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--blue-900);
  margin-bottom: .6rem;
}
.about-card p {
  font-size: .925rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════
   11. SERVICE CARDS (IMAGE + TEXT)
   ═══════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width:768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width:1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

/* Make first two cards larger on desktop */
@media (min-width:1024px) {
  .services-grid .svc-card:nth-child(1),
  .services-grid .svc-card:nth-child(2) {
    grid-column: span 1;
  }
  .services-grid .svc-card:nth-child(4) {
    grid-column: span 2;
  }
  .services-grid .svc-card:nth-child(7) {
    grid-column: span 3;
  }
}

.svc-card {
  background: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
  transition: all var(--dur-base) var(--ease-out);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,135,78,.3);
}

/* Card image */
.svc-img {
  position: relative;
  overflow: hidden;
  height: 220px;
  flex-shrink: 0;
}

.svc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.svc-card:hover .svc-img img {
  transform: scale(1.08);
}

.svc-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,27,46,.55) 0%, transparent 60%);
  pointer-events: none;
}

.svc-img-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: .3rem .85rem;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-radius: var(--r-full);
  font-size: .75rem;
  font-weight: 700;
  color: var(--blue-800);
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* Card body */
.svc-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.svc-title {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--blue-900);
  margin-bottom: .65rem;
  line-height: 1.3;
}

.svc-desc {
  font-size: .925rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

/* Detail box */
.svc-detail {
  background: var(--gray-100);
  border-left: 3px solid var(--green-800);
  border-radius: 0 var(--r-xs) var(--r-xs) 0;
  padding: 1rem 1.15rem;
  font-size: .875rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.svc-detail strong {
  display: block;
  color: var(--blue-800);
  margin-bottom: .2rem;
  font-weight: 700;
}

/* Feature checks */
.svc-features {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.25rem;
}
.svc-feature {
  display: flex;
  align-items: flex-start;
  gap: .55rem;
  font-size: .875rem;
  color: var(--gray-600);
}
.svc-feature .material-symbols-outlined {
  font-size: 18px;
  color: var(--green-800);
  margin-top: 2px;
  flex-shrink: 0;
}

/* School highlight */
.school-box {
  background: linear-gradient(135deg, var(--green-50), var(--teal-50));
  border: 1px solid rgba(0,135,78,.2);
  border-radius: var(--r-sm);
  padding: 1.1rem;
  margin-top: .5rem;
}
.school-box-title {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: .875rem;
  color: var(--green-800);
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .35rem;
}
.school-box p {
  font-size: .825rem;
  color: var(--gray-700);
  line-height: 1.55;
}

/* Card footer */
.svc-footer {
  margin-top: auto;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-color);
}
.svc-link {
  font-family: var(--ff-display);
  font-size: .875rem;
  font-weight: 700;
  color: var(--green-800);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  transition: all var(--dur-fast);
}
.svc-link:hover {
  color: var(--green-900);
  gap: .6rem;
}

/* Wide card inner grid */
.svc-wide-inner {
  display: grid;
  gap: 1rem;
}
@media (min-width:768px) { .svc-wide-inner { grid-template-columns: 1fr 1fr; } }

/* Full-width card (Iluminação Pública) */
.svc-full-inner {
  display: grid;
  gap: 1.5rem;
}
@media (min-width:768px) { .svc-full-inner { grid-template-columns: repeat(3, 1fr); } }

/* ═══════════════════════════════════════════════════
   12. CTA BANNER
   ═══════════════════════════════════════════════════ */
.cta-banner {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--green-900) 100%);
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,168,181,.2) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,135,78,.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-center {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-title {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -.025em;
}

.cta-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════
   13. FOOTER
   ═══════════════════════════════════════════════════ */
.footer {
  background: var(--gray-950);
  color: rgba(255,255,255,.8);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 4px solid var(--green-800);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}
@media (min-width:768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width:1024px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; } }

.footer-brand p {
  font-size: .925rem;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
  max-width: 340px;
  margin-top: 1.25rem;
}

.footer-social {
  display: flex;
  gap: .75rem;
  margin-top: 1.25rem;
}
.footer-social a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-base);
  border: 1px solid rgba(255,255,255,.08);
}
.footer-social a:hover {
  background: var(--green-800);
  border-color: var(--green-800);
  transform: translateY(-3px);
}

.footer-col-title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: .6rem;
}
.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--teal-600);
  border-radius: 2px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .925rem;
}
.footer-contact-item .material-symbols-outlined {
  color: var(--teal-500);
  margin-top: 2px;
}
.footer-contact-item a {
  color: var(--teal-500);
  transition: color var(--dur-fast);
}
.footer-contact-item a:hover { color: var(--green-500); }

/* Location cards */
.loc-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-sm);
  padding: 1.15rem;
  margin-bottom: .85rem;
  transition: all var(--dur-base);
}
.loc-card:hover {
  border-color: rgba(0,135,78,.4);
  background: rgba(255,255,255,.06);
}
.loc-city {
  font-family: var(--ff-display);
  font-weight: 700;
  color: var(--white);
  font-size: .925rem;
  display: flex;
  align-items: center;
  gap: .45rem;
  margin-bottom: .3rem;
}
.loc-city .material-symbols-outlined { color: var(--green-600); font-size: 20px; }
.loc-addr {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  text-align: center;
  font-size: .825rem;
  color: rgba(255,255,255,.4);
}
@media (min-width:768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* ═══════════════════════════════════════════════════
   14. CAROUSEL DE SERVIÇOS
   ═══════════════════════════════════════════════════ */
.carousel-wrapper {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 3.5rem;
}

.carousel-track-container {
  overflow: hidden;
  border-radius: var(--r-md);
}

.carousel-track {
  display: flex;
  gap: 24px;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 calc((100% - 48px) / 3);
  min-width: 0;
}

@media (max-width:1023px) {
  .carousel-slide { flex: 0 0 calc((100% - 24px) / 2); }
}
@media (max-width:639px) {
  .carousel-slide { flex: 0 0 100%; }
  .carousel-wrapper { padding: 0 1rem; }
}

/* Carousel navigation arrows */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  color: var(--blue-800);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}
.carousel-btn:hover {
  background: var(--blue-800);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-50%) scale(1.08);
}
.carousel-btn .material-symbols-outlined { font-size: 28px; }
.carousel-btn-prev { left: 0; }
.carousel-btn-next { right: 0; }

@media (max-width:639px) {
  .carousel-btn { width: 38px; height: 38px; }
  .carousel-btn-prev { left: -4px; }
  .carousel-btn-next { right: -4px; }
}

/* Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: .5rem;
  margin-top: 2rem;
}
.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--dur-base);
  padding: 0;
}
.carousel-dot.active {
  background: var(--green-800);
  width: 28px;
  border-radius: 6px;
}

/* ═══════════════════════════════════════════════════
   15. FORMULÁRIO DE CONTATO
   ═══════════════════════════════════════════════════ */
.contact-form-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--green-900) 100%);
  position: relative;
  overflow: hidden;
}
.contact-form-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,168,181,.15) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
@media (min-width:992px) {
  .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 4rem; }
}

/* Info Column */
.contact-info-col .section-tag { color: var(--green-500); }

.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  color: rgba(255,255,255,.85);
}
.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal-500);
}
.contact-info-item strong {
  display: block;
  color: var(--white);
  font-size: .875rem;
  font-weight: 700;
  margin-bottom: .15rem;
}
.contact-info-item span {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
}

/* Form Card */
.contact-form-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}
@media (max-width:639px) {
  .contact-form-card { padding: 1.75rem; }
}

.form-card-title {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--blue-900);
  margin-bottom: .35rem;
}
.form-card-sub {
  font-size: .9rem;
  color: var(--gray-500);
  margin-bottom: 1.75rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width:639px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form-group label {
  font-family: var(--ff-display);
  font-size: .825rem;
  font-weight: 700;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--ff-body);
  font-size: .95rem;
  padding: .85rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r-sm);
  background: var(--gray-50);
  color: var(--gray-900);
  transition: all var(--dur-fast);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-800);
  box-shadow: 0 0 0 3px rgba(0,135,78,.12);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='%2364748B'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit-btn {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  margin-top: .5rem;
  box-shadow: 0 6px 20px rgba(0,135,78,.35);
}
.form-submit-btn:hover {
  box-shadow: 0 10px 28px rgba(0,135,78,.45);
}

/* ═══════════════════════════════════════════════════
   16. RESPONSIVE FINE-TUNING
   ═══════════════════════════════════════════════════ */
@media (max-width:767px) {
  .hero { min-height: auto; padding-top: 80px; }
  .hero-content { padding: 3rem 0 3rem; }
  .hero-stats { grid-template-columns: 1fr; gap: 1rem; }
  .hero-stat { text-align: center; }
  .trust-inner { gap: 2rem; }
  .section { padding: 4rem 0; }
  .contact-form-section { padding: 4rem 0; }
}