/* ============================================================
   3M LIMPEZA — STYLESHEET PREMIUM
   Versão 1.0 | Design Responsivo Mobile-First
   ============================================================ */

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

:root {
  /* Paleta principal */
  --blue-900: #0c1f3f;
  --blue-800: #0f2d5e;
  --blue-700: #1a3f7f;
  --blue-600: #1e52a8;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #93c5fd;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --teal-600: #0d9488;
  --teal-500: #14b8a6;
  --teal-400: #2dd4bf;
  --teal-100: #ccfbf1;

  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-100: #dcfce7;

  --indigo-600: #4f46e5;
  --indigo-100: #e0e7ff;

  --white: #ffffff;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;

  /* Tipografia */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Espaçamentos */
  --section-py: 5rem;
  --container-max: 1200px;
  --container-px: 1.5rem;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.15);
  --shadow-blue: 0 8px 30px rgba(37,99,235,.25);

  /* Bordas */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transições */
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --transition-slow: all .5s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ---- CONTAINER ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ---- BOTÕES ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  line-height: 1;
}

.btn--sm  { padding: .6rem 1.25rem; font-size: .85rem; }
.btn--md  { padding: .75rem 1.75rem; font-size: .95rem; }
.btn--lg  { padding: .9rem 2rem; font-size: 1rem; }
.btn--xl  { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn--full { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--blue-500);
  color: var(--white);
  border-color: var(--blue-500);
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(37,99,235,.35);
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  border-color: var(--whatsapp);
  box-shadow: 0 8px 25px rgba(37,211,102,.3);
}
.btn--whatsapp:hover {
  background: var(--whatsapp-dark);
  border-color: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(37,211,102,.4);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ---- SEÇÃO LABELS & TÍTULOS ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: .35rem .9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.section-label--white {
  color: var(--blue-300);
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.section-title--white { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  line-height: 1.7;
}
.section-subtitle--white { color: rgba(255,255,255,.8); }

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header .section-subtitle {
  margin: 0 auto;
}

/* ---- ANIMAÇÕES ---- */
.fade-in,
.fade-in-left,
.fade-in-right {
  opacity: 0;
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in        { transform: translateY(30px); }
.fade-in-left   { transform: translateX(-40px); }
.fade-in-right  { transform: translateX(40px); }

.fade-in.visible,
.fade-in-left.visible,
.fade-in-right.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-500));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  box-shadow: var(--shadow-blue);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-main {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
}
.logo-main strong {
  color: var(--blue-500);
}
.logo-sub {
  font-size: .65rem;
  color: var(--gray-400);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.header__nav { display: none; }
@media (min-width: 1024px) {
  .header__nav { display: flex; }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav__link {
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: .5rem .85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav__link:hover,
.nav__link.active {
  color: var(--blue-500);
  background: var(--blue-50);
}

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

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  padding: 1.5rem;
}
.mobile-nav.open { display: block; }
.mobile-nav .nav__list {
  flex-direction: column;
  align-items: stretch;
  gap: .25rem;
}
.mobile-nav .nav__link {
  padding: .75rem 1rem;
  font-size: 1rem;
  display: block;
}
.mobile-nav .btn {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 50%, var(--teal-600) 100%);
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(37,99,235,.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(20,184,166,.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  animation: float linear infinite;
}

@keyframes float {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding-top: 3rem;
  padding-bottom: 4rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: .8rem;
  font-weight: 600;
  padding: .4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}
.hero__badge i { color: var(--teal-400); }

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.hero__title .highlight {
  color: var(--teal-400);
  position: relative;
}
.hero__title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 3px;
  background: var(--teal-400);
  border-radius: 2px;
  opacity: .4;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 520px;
}

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

.hero__stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat strong {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat span {
  font-size: .78rem;
  color: rgba(255,255,255,.65);
  margin-top: .2rem;
}
.stat__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
}

/* Hero visual */
.hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.hero__image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid rgba(255,255,255,.15);
  width: 100%;
  max-width: 520px;
}
.hero__img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

.hero__image-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  padding: .6rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.hero__image-badge i { color: var(--blue-500); font-size: 1.2rem; }
.hero__image-badge strong { display: block; font-size: .9rem; color: var(--gray-900); }
.hero__image-badge span  { font-size: .75rem; color: var(--gray-500); }

.hero__floating-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  padding: .75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  align-self: flex-end;
  margin-right: 1rem;
}
.hero__floating-card i { font-size: 1.3rem; }
.hero__floating-card strong { display: block; font-size: .95rem; color: var(--gray-900); }
.hero__floating-card span  { font-size: .75rem; color: var(--gray-500); }

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: rgba(255,255,255,.5);
  font-size: .75rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--gray-900);
  padding: 1.25rem 0;
}
.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: rgba(255,255,255,.75);
  font-size: .875rem;
  font-weight: 500;
}
.trust-item i {
  color: var(--teal-400);
  font-size: 1rem;
}

/* ============================================================
   SOBRE
   ============================================================ */
.about {
  padding: var(--section-py) 0;
  background: var(--white);
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .about__inner { grid-template-columns: 1fr 1fr; }
}

.about__image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about__img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.about__experience-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: var(--white);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about__experience-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}
.about__experience-badge span {
  font-size: .75rem;
  opacity: .85;
  line-height: 1.4;
}

.about__cert-row {
  display: flex;
  gap: .75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--blue-50);
  color: var(--blue-600);
  border: 1px solid var(--blue-100);
  padding: .4rem .9rem;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 600;
}

.about__text {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}
.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.feature-icon {
  width: 44px; height: 44px;
  background: var(--blue-50);
  color: var(--blue-500);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.about__feature strong {
  display: block;
  font-size: .95rem;
  color: var(--gray-800);
  margin-bottom: .2rem;
}
.about__feature p {
  font-size: .85rem;
  color: var(--gray-500);
}

/* ============================================================
   SERVIÇOS
   ============================================================ */
.services {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-100);
}

.service-card__icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.service-card__icon--blue   { background: var(--blue-50);   color: var(--blue-500); }
.service-card__icon--teal   { background: var(--teal-100);  color: var(--teal-600); }
.service-card__icon--green  { background: var(--green-100); color: var(--green-600); }
.service-card__icon--indigo { background: var(--indigo-100); color: var(--indigo-600); }

.service-card__badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-500));
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: .25rem .65rem;
  border-radius: var(--radius-full);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800; /* Negrito mais forte para legibilidade */
  color: var(--gray-900);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-card__desc {
  font-size: .875rem;
  color: var(--gray-500);
  line-height: 1.7;
  flex: 1;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.service-card__list li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: var(--gray-600);
}
.service-card__list i {
  color: var(--green-500);
  font-size: .75rem;
  flex-shrink: 0;
}

.service-card__cta {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--blue-500);
  transition: var(--transition);
  margin-top: auto;
}
.service-card__cta:hover {
  color: var(--blue-700);
  gap: .7rem;
}

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.differentials {
  padding: var(--section-py) 0;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 60%, var(--teal-600) 100%);
  position: relative;
  overflow: hidden;
}
.differentials::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.differentials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}
@media (min-width: 640px) {
  .differentials__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .differentials__grid { grid-template-columns: repeat(3, 1fr); }
}

.diff-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.diff-card:hover {
  background: rgba(255,255,255,.12);
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.25);
}

.diff-card__icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue-400), var(--teal-400));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 15px rgba(37,99,235,.3);
}

.diff-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .6rem;
}
.diff-card p {
  font-size: .875rem;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
}

/* ============================================================
   ANTES E DEPOIS
   ============================================================ */
.before-after {
  padding: var(--section-py) 0;
  background: var(--white);
}

.ba-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .ba-grid { grid-template-columns: repeat(3, 1fr); }
}

.ba-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.ba-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.ba-card__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ba-card__before,
.ba-card__after {
  position: relative;
  height: auto; /* Permite que a imagem defina a altura */
  aspect-ratio: 4 / 5; /* Mantém uma proporção vertical elegante */
  overflow: hidden;
}

.ba-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: 1rem;
  text-align: center;
}
.ba-placeholder i { font-size: 2rem; }
.ba-placeholder span { font-size: .8rem; font-weight: 700; }
.ba-placeholder p { font-size: .7rem; opacity: .8; }

.ba-placeholder--dirty {
  background: linear-gradient(135deg, #7f1d1d, #991b1b);
  color: #fca5a5;
}
.ba-placeholder--clean {
  background: linear-gradient(135deg, #0c4a6e, #0369a1);
  color: #bae6fd;
}
.ba-placeholder--crack {
  background: linear-gradient(135deg, #713f12, #92400e);
  color: #fde68a;
}
.ba-placeholder--sealed {
  background: linear-gradient(135deg, #14532d, #166534);
  color: #bbf7d0;
}
.ba-placeholder--building-old {
  background: linear-gradient(135deg, #374151, #4b5563);
  color: #d1d5db;
}
.ba-placeholder--building-new {
  background: linear-gradient(135deg, #1e3a5f, #1e52a8);
  color: #bfdbfe;
}

.ba-label {
  position: absolute;
  top: .75rem;
  left: .75rem;
  font-size: .7rem;
  font-weight: 700;
  padding: .25rem .6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ba-label--before {
  background: rgba(239,68,68,.9);
  color: var(--white);
}
.ba-label--after {
  background: rgba(34,197,94,.9);
  color: var(--white);
}

.ba-card__info {
  padding: 1.25rem;
  background: var(--white);
}
.ba-card__info h4 {
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: .25rem;
}
.ba-card__info p {
  font-size: .8rem;
  color: var(--gray-400);
}

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.testimonials {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 640px) {
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-card__stars {
  display: flex;
  gap: .2rem;
  color: #f59e0b;
  font-size: 1.1rem; /* Estrelas maiores */
  margin-bottom: 0.5rem;
}

.testimonial-card__text {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}
.testimonial-card__text::before { content: '\201C'; }
.testimonial-card__text::after  { content: '\201D'; }

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: var(--white);
  flex-shrink: 0;
}
.author-avatar--1 { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.author-avatar--2 { background: linear-gradient(135deg, #ec4899, #be185d); }
.author-avatar--3 { background: linear-gradient(135deg, #10b981, #047857); }
.author-avatar--4 { background: linear-gradient(135deg, #f59e0b, #b45309); }
.author-avatar--5 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.author-avatar--6 { background: linear-gradient(135deg, #06b6d4, #0e7490); }

.author-info strong {
  display: block;
  font-size: .875rem;
  color: var(--gray-900);
}
.author-info span {
  font-size: .775rem;
  color: var(--gray-400);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  position: relative;
  padding: var(--section-py) 0;
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-600) 50%, var(--teal-600) 100%);
  overflow: hidden;
}
.cta-section__bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.04' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-section__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-section__icon {
  width: 72px; height: 72px;
  background: rgba(255,255,255,.15);
  border: 2px solid rgba(255,255,255,.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--teal-400);
  margin: 0 auto 1.5rem;
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(45,212,191,.4); }
  50%       { box-shadow: 0 0 0 16px rgba(45,212,191,0); }
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff; /* Branco puro para contraste máximo */
  margin-bottom: 1.5rem;
  line-height: 1.1;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.cta-text {
  font-size: 1.2rem;
  font-weight: 500;
  color: #f0f9ff; /* Azul muito claro quase branco */
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
  text-shadow: 0 1px 5px rgba(0,0,0,0.2);
}

.cta-section__urgency {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.3);
  color: #fde68a;
  font-size: .875rem;
  font-weight: 600;
  padding: .6rem 1.25rem;
  border-radius: var(--radius-full);
  margin-bottom: 2rem;
}

.cta-section__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ============================================================
   CONTATO
   ============================================================ */
.contact {
  padding: var(--section-py) 0;
  background: var(--white);
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: start;
}
@media (min-width: 1024px) {
  .contact__inner { grid-template-columns: 1fr 1.3fr; }
}

.contact__desc {
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
  background: var(--gray-50);
  transition: var(--transition);
  color: var(--gray-700);
}
.contact-channel:hover {
  border-color: var(--blue-200);
  background: var(--blue-50);
  transform: translateX(4px);
}
.contact-channel--whatsapp:hover {
  border-color: rgba(37,211,102,.3);
  background: rgba(37,211,102,.05);
}
.contact-channel__icon {
  width: 40px; height: 40px;
  background: var(--blue-50);
  color: var(--blue-500);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-channel--whatsapp .contact-channel__icon {
  background: rgba(37,211,102,.1);
  color: var(--whatsapp-dark);
}
.contact-channel strong { display: block; font-size: .875rem; }
.contact-channel span  { font-size: .825rem; color: var(--gray-400); }

.contact__hours {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1.1rem;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-md);
  color: var(--blue-700);
}
.contact__hours i { font-size: 1.1rem; flex-shrink: 0; }
.contact__hours strong { display: block; font-size: .875rem; }
.contact__hours span  { font-size: .825rem; color: var(--blue-500); }

/* Form */
.contact__form-wrapper {
  position: relative;
}

/* Formulário removido conforme solicitado */

.contact-form__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: .25rem;
}
.contact-form__subtitle {
  font-size: .875rem;
  color: var(--gray-400);
  margin-bottom: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.1rem;
}
.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-700);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; gap: 0 1rem; }
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  color: var(--gray-400);
  margin-top: .75rem;
  text-align: center;
  justify-content: center;
}

/* Form success */
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
}
.form-success.visible { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.form-success__icon {
  font-size: 3.5rem;
  color: var(--green-500);
}
.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}
.form-success p {
  color: var(--gray-500);
  max-width: 300px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.75);
}

.footer__top {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__top-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 640px) {
  .footer__top-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer__top-inner { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.footer__logo .logo-main { color: var(--white); }
.footer__logo .logo-sub  { color: rgba(255,255,255,.4); }
.footer__logo .logo-icon { box-shadow: none; }

.footer__brand-desc {
  font-size: .875rem;
  line-height: 1.75;
  margin-top: 1rem;
  color: rgba(255,255,255,.55);
}

.footer__social {
  display: flex;
  gap: .75rem;
  margin-top: 1.25rem;
}
.footer__social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  transition: var(--transition);
}
.footer__social a:hover {
  background: var(--blue-500);
  border-color: var(--blue-500);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__links h4,
.footer__contact h4 {
  font-family: var(--font-heading);
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.footer__links ul,
.footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.footer__links li a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}
.footer__links li a:hover {
  color: var(--teal-400);
  padding-left: 4px;
}

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  line-height: 1.5;
}
.footer__contact i {
  color: var(--teal-400);
  font-size: .9rem;
  margin-top: .15rem;
  flex-shrink: 0;
}

.footer__bottom {
  padding: 1.5rem 0;
}
.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer__bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 60px; height: 60px;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: var(--transition);
  animation: waPulse 3s infinite;
}
.whatsapp-float:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
}
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,.4); }
  50%       { box-shadow: 0 4px 20px rgba(37,211,102,.5), 0 0 0 12px rgba(37,211,102,0); }
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + .75rem);
  top: 50%;
  transform: translateY(-50%);
  background: var(--gray-900);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: .4rem .8rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--gray-900);
}
.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 5.5rem;
  right: 2rem;
  z-index: 900;
  width: 44px; height: 44px;
  background: var(--blue-500);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
}

/* ============================================================
   RESPONSIVIDADE EXTRA
   ============================================================ */
@media (max-width: 640px) {
  :root { --section-py: 3.5rem; }

  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; justify-content: center; }

  .hero__stats { gap: 1rem; }
  .stat strong { font-size: 1.2rem; }

  .cta-section__buttons { flex-direction: column; align-items: center; }
  .cta-section__buttons .btn { width: 100%; max-width: 320px; justify-content: center; }

  .contact-form, .form-success { padding: 1.75rem 1.25rem; }

  .hero__img { height: 260px; }
  .about__img { height: 280px; }
}

@media (max-width: 400px) {
  .hero__title { font-size: 1.75rem; }
  .logo-sub { display: none; }
}