/* ===================== VARIÁVEIS ===================== */
:root {
  --navy-900: #071a35;
  --navy-800: #0c2748;
  --navy-700: #123763;
  --blue-500: #1e6fd9;
  --blue-400: #3d8bf0;
  --blue-100: #e8f1fd;
  --gray-700: #4b5567;
  --gray-500: #737b8c;
  --gray-200: #e3e7ee;
  --gray-100: #f4f7fb;
  --white: #ffffff;
  --whatsapp: #25d366;
  --whatsapp-dark: #1ebe5b;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -12px rgba(7, 26, 53, 0.25);
  --shadow-sm: 0 4px 14px -6px rgba(7, 26, 53, 0.18);
  --container: 1180px;
}

/* ===================== RESET ===================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--navy-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

h1, h2, h3 { line-height: 1.2; font-weight: 800; color: var(--navy-900); }

.icon { width: 20px; height: 20px; fill: currentColor; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section.section { padding: 96px 0; }
.section--muted { background: var(--gray-100); }
.section--dark { background: linear-gradient(135deg, var(--navy-900), var(--navy-700)); color: var(--white); }
.section--dark h2 { color: var(--white); }

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 10px;
}

.section--dark .eyebrow { color: var(--blue-400); }

.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section__head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 14px; }
.section__lead { color: var(--gray-500); font-size: 1.05rem; }

/* ===================== BOTÕES ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--whatsapp { background: var(--whatsapp); color: var(--white); box-shadow: 0 8px 20px -8px rgba(37, 211, 102, 0.6); }
.btn--whatsapp:hover { background: var(--whatsapp-dark); }
.btn--whatsapp .icon { fill: var(--white); }

.btn--ghost {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.5);
  color: var(--white);
}
.btn--ghost:hover { background: rgba(255,255,255,0.12); }

.btn--lg { padding: 16px 30px; font-size: 1rem; }

/* ===================== HEADER ===================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.header__logo { height: 58px; width: auto; object-fit: contain; }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  margin-right: 32px;
}

.nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy-800);
  position: relative;
  padding: 6px 0;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--blue-500);
  transition: width 0.2s ease;
}
.nav a:hover::after { width: 100%; }

.header__cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.header.is-open .nav-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.header.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
.header.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero {
  background: radial-gradient(ellipse at top right, #143a6b 0%, var(--navy-900) 55%, var(--navy-900) 100%);
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding-top: 76px;
  padding-bottom: 40px;
  min-height: 640px;
}

.hero__text h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  margin-bottom: 20px;
  color: var(--white);
}

.hero__lead {
  font-size: 1.1rem;
  color: #c7d5ea;
  max-width: 540px;
  margin-bottom: 32px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  font-size: 0.9rem;
  color: #a9bcd8;
}
.hero__badges strong { color: var(--white); font-size: 1.05rem; }

.hero__media { position: relative; display: flex; justify-content: center; align-items: center; height: 100%; }
.hero__photo {
  max-height: 560px;
  width: auto;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,0.45));
}
.hero__logo-big {
  width: 100%;
  max-width: 385px;
  filter: drop-shadow(0 20px 45px rgba(0,0,0,0.4));
}

/* ===================== SOBRE ===================== */
.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.about__photo { position: relative; max-width: 380px; margin: 0 auto; }
.about__photo img { border-radius: 50%; }
.about__photo-tag {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  min-width: 220px;
}
.about__photo-tag strong { display: block; color: var(--navy-900); font-size: 1rem; }
.about__photo-tag span { font-size: 0.8rem; color: var(--gray-500); }

.about__text h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin-bottom: 20px; }
.about__text p { color: var(--gray-700); margin-bottom: 16px; }

.about__stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-200);
}
.about__stats span { display: block; font-size: 1.8rem; font-weight: 800; color: var(--blue-500); }
.about__stats small { color: var(--gray-500); font-size: 0.85rem; }

/* ===================== SERVIÇOS - GRID ===================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }

.service-card img { height: 170px; width: 100%; object-fit: cover; background: var(--gray-200); }

.service-card--icon .service-card__icon {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-800), var(--blue-500));
}
.service-card__icon svg {
  width: 56px;
  height: 56px;
  fill: none;
  stroke: var(--white);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.service-card__body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.service-card__body p { color: var(--gray-500); font-size: 0.9rem; flex: 1; margin-bottom: 16px; }

.service-card__link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--blue-500);
  cursor: pointer;
}
.service-card__link:hover { text-decoration: underline; }

/* ===================== FEATURE (Higienização / Manutenção / Instalação) ===================== */
.feature { padding: 96px 0; }
.feature--muted { background: var(--gray-100); }

.feature__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature--reverse .feature__inner { direction: rtl; }
.feature--reverse .feature__inner > * { direction: ltr; }

.feature__text h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin: 6px 0 18px; }
.feature__text p { color: var(--gray-700); margin-bottom: 20px; }

.feature__photo {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  object-position: top center;
}

.check-list { margin-bottom: 28px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: var(--navy-800);
  font-weight: 500;
  font-size: 0.96rem;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--blue-100);
  border: 1.5px solid var(--blue-500);
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 8px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--blue-500);
  border-bottom: 2px solid var(--blue-500);
  transform: rotate(-45deg);
}

/* Perigos sem manutenção/instalação profissional */
.danger-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.danger-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.danger-card img { width: 100%; height: 220px; object-fit: cover; display: block; }
.danger-card figcaption {
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--gray-700);
  font-weight: 500;
}
.danger-cta { text-align: center; }
.danger-cta p {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 20px;
}

/* Comparativo antes/depois */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.compare figure {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
  background: var(--navy-900);
}
.compare img { height: 420px; width: 100%; object-fit: cover; }
.compare figcaption {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 26, 53, 0.85);
  color: var(--white);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
}
.compare figure:last-child figcaption { background: var(--whatsapp); }

/* ===================== PMOC ===================== */
.pmoc { background: var(--white); }
.pmoc__inner {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 56px;
  align-items: center;
}
.pmoc__text h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 18px; }
.pmoc__text p { color: var(--gray-700); margin-bottom: 16px; }
.pmoc__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
  margin: 24px 0 32px;
}

.pmoc__badge {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  color: var(--white);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
}
.pmoc__badge svg {
  width: 52px;
  height: 52px;
  fill: none;
  stroke: var(--blue-400);
  stroke-width: 1.5;
  margin-bottom: 16px;
}
.pmoc__badge strong { display: block; font-size: 1.15rem; margin-bottom: 8px; }
.pmoc__badge span { font-size: 0.85rem; color: #a9bcd8; }

/* ===================== MARCAS ===================== */
.brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 56px;
  padding: 20px 0 0;
}
.brands img {
  height: 46px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
  filter: grayscale(15%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.brands img:hover { opacity: 1; transform: scale(1.06); }

/* ===================== VÍDEOS ===================== */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--white);
}
.video-card video { width: 100%; height: 100%; object-fit: cover; background: #000; }

.video-card--placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(160deg, var(--gray-100), var(--gray-200));
  color: var(--gray-500);
  border: 1.5px dashed #c3cad6;
}
.video-card--placeholder svg { width: 40px; height: 40px; fill: #b7c0cf; }
.video-card--placeholder p { font-weight: 600; font-size: 0.9rem; }

/* ===================== CONTATO ===================== */
.contact {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}
.contact__text h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 14px; }
.contact__text > p { color: #c7d5ea; margin-bottom: 28px; font-size: 1.05rem; }

.contact__list { margin-bottom: 34px; display: flex; flex-direction: column; gap: 16px; }
.contact__list li { display: flex; align-items: center; gap: 14px; font-size: 1rem; }
.contact__list svg {
  width: 22px; height: 22px; flex-shrink: 0;
  fill: none; stroke: var(--blue-400); stroke-width: 1.6;
}
.contact__list a:hover { text-decoration: underline; }

.contact__form {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}
.contact__form h3 { color: var(--white); font-size: 1.05rem; margin-bottom: 4px; }
.contact__form > p { color: #b9cadb; font-size: 0.82rem; margin-bottom: 14px; }

.form-row { margin-bottom: 10px; }
.form-row--split { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-row label {
  display: block; font-weight: 700; font-size: 0.74rem; color: #cbdae7; margin-bottom: 4px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%; border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius-sm);
  padding: 8px 12px; font-family: inherit; font-size: 0.88rem; color: var(--navy-900);
  background: rgba(255,255,255,0.94); transition: border-color 0.15s ease;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--blue-500); outline: none;
}
.form-row textarea { resize: vertical; min-height: 44px; }
.btn--block { width: 100%; justify-content: center; padding: 11px 24px; }
.form-note { font-size: 0.68rem; color: #9fb4c8; margin-top: 8px; text-align: center; }

/* ===================== FOOTER ===================== */
.footer { background: var(--navy-900); color: #7f92ae; padding: 26px 0; }
.footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
}

/* ===================== WHATSAPP FLUTUANTE ===================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px -6px rgba(37, 211, 102, 0.65);
  z-index: 90;
  animation: pulse 2.4s infinite;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 30px; height: 30px; fill: var(--white); }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55), 0 10px 26px -6px rgba(37, 211, 102, 0.65); }
  70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0), 0 10px 26px -6px rgba(37, 211, 102, 0.65); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 10px 26px -6px rgba(37, 211, 102, 0.65); }
}

/* ===================== RESPONSIVO ===================== */
@media (max-width: 980px) {
  .header__logo { height: 42px; }
  .nav { display: none; }
  .nav-toggle { display: flex; }

  .header.is-open .nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    box-shadow: var(--shadow);
    margin: 0;
  }

  .header__cta span { display: none; }
  .header__cta { padding: 13px; }

  .hero__inner { grid-template-columns: 1fr; text-align: left; padding-top: 40px; min-height: auto; }
  .hero__media { order: -1; margin-bottom: 12px; }
  .hero__photo { max-height: 340px; }

  .about { grid-template-columns: 1fr; }
  .about__photo { margin-bottom: 20px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .feature__inner, .feature--reverse .feature__inner { grid-template-columns: 1fr; direction: ltr; }
  .feature__media { order: -1; }

  .compare img { height: 300px; }

  .pmoc__inner { grid-template-columns: 1fr; }
  .pmoc__grid { grid-template-columns: 1fr; }

  .videos-grid { grid-template-columns: 1fr; }

  .contact { grid-template-columns: 1fr; }
  .contact__form { order: -1; }
}

@media (max-width: 620px) {
  section.section, .feature { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .danger-grid { grid-template-columns: 1fr; gap: 16px; }
  .hero__badges { gap: 10px 20px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .footer__inner { flex-direction: column; text-align: center; }
  .about__stats { gap: 24px; flex-wrap: wrap; }
  .whatsapp-float { width: 54px; height: 54px; bottom: 16px; right: 16px; }
}