/* =============================================================
   BOMBEIRO HIDRÁULICO 24H — DESIGN SYSTEM
   Paleta: Azul-marinho profundo + branco + dourado
   Tipografia: Fraunces (display) + Inter (corpo/UI)
   Assinatura visual: selo circular "30 ANOS" (medalha de garantia)
   ============================================================= */

:root {
  --navy-950: #061225;
  --navy-900: #0B2545;
  --navy-800: #123C6B;
  --navy-700: #1B4A80;
  --gold-500: #C9A227;
  --gold-400: #D9B84A;
  --gold-300: #E8CD7C;
  --white: #FFFFFF;
  --gray-050: #F7F9FC;
  --gray-100: #F0F3F8;
  --gray-300: #D7DEE8;
  --gray-500: #64748B;
  --gray-700: #37455A;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-soft: 0 10px 40px rgba(6, 18, 37, 0.10);
  --shadow-strong: 0 20px 60px rgba(6, 18, 37, 0.22);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--navy-900); font-weight: 600; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- EYEBROW / SECTION HEAD ---------- */
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-500);
  font-weight: 600;
  margin: 0 0 14px;
}
.eyebrow--gold { color: var(--gold-300); }

.section-head { max-width: 640px; margin: 0 0 64px; }
.section-head h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); line-height: 1.2; margin-bottom: 16px; }
.section-head__desc { color: var(--gray-500); font-size: 1.05rem; line-height: 1.6; }
.section-head--light h2 { color: var(--white); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
  white-space: nowrap;
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--navy-950);
  box-shadow: 0 8px 24px rgba(201,162,39,0.35);
}
.btn--gold:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(201,162,39,0.45); }

.btn--outline {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn--outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-3px); }

/* outline button used on white background (about/faq) needs dark variant */
.about__text .btn--outline,
.faq__intro .btn--outline {
  border-color: var(--navy-900);
  color: var(--navy-900);
}
.about__text .btn--outline:hover,
.faq__intro .btn--outline:hover { background: var(--navy-900); color: var(--white); }

.btn--small { padding: 10px 20px; font-size: 0.9rem; }
.btn--large { padding: 20px 44px; font-size: 1.1rem; }

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 18px 0;
  background: transparent;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.header.is-scrolled {
  background: rgba(6, 18, 37, 0.92);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.header__inner { display: flex; align-items: center; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; color: var(--white); }
.brand__text strong { font-family: var(--font-display); font-size: 1.05rem; }
.brand__text small { color: var(--gold-300); font-size: 0.72rem; letter-spacing: 0.08em; }

.seal-ring-outer { fill: none; stroke: var(--gold-400); stroke-width: 1.4; }
.seal-ring-inner { fill: none; stroke: var(--gold-400); stroke-width: 1; opacity: 0.6; }
.seal-number { font-family: var(--font-display); font-size: 16px; font-weight: 700; fill: var(--gold-400); text-anchor: middle; }
.seal-label { font-family: var(--font-body); font-size: 6px; letter-spacing: 0.12em; fill: var(--gold-400); text-anchor: middle; }

.nav { display: flex; gap: 30px; }
.nav a { color: rgba(255,255,255,0.85); font-size: 0.94rem; font-weight: 500; position: relative; padding: 6px 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--gold-400); transition: width .3s var(--ease);
}
.nav a:hover::after { width: 100%; }

.header__cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: transform .3s, opacity .3s; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(6,18,37,0.72), rgba(6,18,37,0.86)),
    url('https://images.unsplash.com/photo-1585704032915-c3400ca199e7?q=80&w=2000&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
.hero__overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 100%, rgba(201,162,39,0.14), transparent 55%);
}

.hero__content { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 80px; }
.hero .eyebrow { color: var(--gold-300); }
.hero__title {
  color: var(--white);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.08;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero__title span { color: var(--gold-400); }
.hero__subtitle {
  color: rgba(255,255,255,0.82);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 44px;
}
.hero__actions { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 72px; }

.hero__stats { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--gold-400); }
.stat__label { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.stat__divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }

.hero__scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.5); border-radius: 20px;
  z-index: 2;
}
.hero__scroll span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: var(--gold-400); border-radius: 4px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { top: 8px; opacity: 1; }
  70% { top: 22px; opacity: 0; }
  100% { top: 8px; opacity: 0; }
}

/* ---------- REVEAL ANIMATION ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- ABOUT ---------- */
.about { padding: 140px 0; background: var(--white); }
.about__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 80px; align-items: center; }

.about__media { position: relative; }
.about__photo-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
  border: 6px solid var(--white);
  outline: 1px solid var(--gray-300);
}
.about__photo {
  aspect-ratio: 4/5;
  background-image: linear-gradient(rgba(11,37,69,0.15), rgba(11,37,69,0.35)), url('https://images.unsplash.com/photo-1676210133055-eab6ef033ce3?fm=jpg&q=60&w=1200&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
}
.about__badge {
  position: absolute; bottom: -26px; right: -26px;
  background: var(--navy-900);
  border-radius: 50%;
  width: 96px; height: 96px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-strong);
  border: 4px solid var(--white);
}

.about__text h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); margin-bottom: 20px; }
.about__lead { font-size: 1.15rem; color: var(--navy-800); line-height: 1.65; margin-bottom: 18px; font-weight: 500; }
.about__text > p { line-height: 1.75; color: var(--gray-500); margin-bottom: 30px; }
.about__list { display: grid; gap: 14px; margin-bottom: 34px; }
.about__list li { display: flex; align-items: flex-start; gap: 12px; color: var(--gray-700); font-size: 1rem; }
.check { color: var(--gold-500); font-weight: 700; }

/* ---------- SERVICES ---------- */
.services { padding: 140px 0; background: var(--gray-050); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--gray-300);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-strong);
  border-color: var(--gold-400);
}
.service-card__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-800));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.service-card__icon svg {
  width: 26px; height: 26px;
  fill: none; stroke: var(--gold-400); stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; line-height: 1.3; }
.service-card p { color: var(--gray-500); line-height: 1.6; font-size: 0.96rem; }

/* ---------- DIFERENCIAIS ---------- */
.diferenciais { position: relative; padding: 130px 0; overflow: hidden; }
.diferenciais__bg {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, var(--navy-950), var(--navy-900) 60%, var(--navy-800));
}
.diferenciais__bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 85% 20%, rgba(201,162,39,0.12), transparent 45%);
}
.diferenciais .container { position: relative; z-index: 1; }

.diff__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.diff__item {
  background: rgba(11,37,69,0.55);
  padding: 34px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: background .3s var(--ease);
}
.diff__item:hover { background: rgba(201,162,39,0.10); }
.diff__check {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--gold-400);
  color: var(--gold-400);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.diff__item p { color: var(--white); font-weight: 500; font-size: 1.02rem; }

/* ---------- GALLERY ---------- */
.gallery { padding: 140px 0; background: var(--white); }
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.gallery__item {
  position: relative;
  border: none;
  padding: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--navy-900);
  box-shadow: var(--shadow-soft);
}
.gallery__item::after {
  content: "Ver imagem";
  position: absolute; inset: auto 0 0 0;
  padding: 14px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  background: linear-gradient(to top, rgba(6,18,37,0.85), transparent);
  transform: translateY(100%);
  transition: transform .35s var(--ease);
}
.gallery__item:hover::after { transform: translateY(0); }
.gallery__item:hover .gallery__ph { transform: scale(1.06); }

.gallery__ph { display: block; width: 100%; height: 100%; background-size: cover; background-position: center; transition: transform .5s var(--ease); }
.gallery__ph--1 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-pressurizacao.jpg'); }
.gallery__ph--2 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-aquecedor-gas.jpg'); }
.gallery__ph--3 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-projeto-esquema.jpg'); }
.gallery__ph--4 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-projeto-planta.jpg'); }
.gallery__ph--5 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-identificacao-vazamento.jpg'); }
.gallery__ph--6 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-montagem-loucas.jpg'); }
.gallery__ph--7 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-tubulacao-esgoto.jpg'); }
.gallery__ph--8 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-tubulacao-estrutura.jpg'); }
.gallery__ph--9 { background-image: linear-gradient(rgba(11,37,69,.05),rgba(11,37,69,.15)), url('images/servico-banheira-hidromassagem.jpg'); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(6,18,37,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s var(--ease);
  padding: 24px;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__frame { max-width: 900px; width: 100%; text-align: center; }
.lightbox__img {
  display: block; width: 100%; aspect-ratio: 16/10; border-radius: var(--radius-md);
  background-size: cover; background-position: center;
  box-shadow: var(--shadow-strong);
}
.lightbox__caption { color: var(--white); margin-top: 18px; font-size: 1rem; }
.lightbox__close {
  position: absolute; top: 24px; right: 30px;
  background: none; border: none; color: var(--white); font-size: 2.4rem; line-height: 1;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials { padding: 140px 0; background: var(--gray-050); }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.testimonial {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--gray-300);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.testimonial__stars { color: var(--gold-500); letter-spacing: 3px; font-size: 1rem; }
.testimonial p { color: var(--navy-800); line-height: 1.65; font-size: 1rem; flex-grow: 1; }
.testimonial__author { display: flex; align-items: center; gap: 14px; }
.testimonial__avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy-900); color: var(--gold-400);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
}
.testimonial__author strong { display: block; color: var(--navy-900); font-size: 0.95rem; }
.testimonial__author small { color: var(--gray-500); font-size: 0.82rem; }
.testimonials__disclaimer { margin-top: 30px; color: var(--gray-500); font-size: 0.8rem; text-align: center; }

/* Selo de avaliação GetNinjas */
.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  box-shadow: 0 8px 20px rgba(201,162,39,0.28);
  max-width: 100%;
  flex-wrap: wrap;
  justify-content: center;
}
.rating-badge__stars { color: var(--navy-950); letter-spacing: 2px; font-size: 0.95rem; flex-shrink: 0; }
.rating-badge__text { color: var(--navy-950); font-weight: 700; font-size: 0.92rem; }

@media (max-width: 640px) {
  .rating-badge { border-radius: var(--radius-md); text-align: center; padding: 12px 18px; }
  .rating-badge__text { font-size: 0.85rem; }
}

/* ---------- FAQ ---------- */
.faq { padding: 140px 0; background: var(--white); }
.faq__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; }
.faq__intro h2 { font-size: clamp(1.8rem, 2.6vw, 2.3rem); margin-bottom: 16px; }
.faq__intro p { color: var(--gray-500); line-height: 1.7; margin-bottom: 30px; }

.faq__item { border-bottom: 1px solid var(--gray-300); }
.faq__question {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  background: none; border: none;
  padding: 24px 4px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--navy-900);
  text-align: left;
}
.faq__icon { color: var(--gold-500); font-size: 1.4rem; transition: transform .3s var(--ease); flex-shrink: 0; margin-left: 20px;}
.faq__item.is-open .faq__icon { transform: rotate(45deg); }
.faq__answer {
  max-height: 0; overflow: hidden;
  transition: max-height .4s var(--ease), padding .4s var(--ease);
  padding: 0 4px;
}
.faq__item.is-open .faq__answer { max-height: 200px; padding-bottom: 22px; }
.faq__answer p { color: var(--gray-500); line-height: 1.7; }

/* ---------- CTA FINAL ---------- */
.cta-final { position: relative; padding: 130px 0; overflow: hidden; text-align: center; }
.cta-final__bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
}
.cta-final__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 15% 30%, rgba(201,162,39,0.18), transparent 40%), radial-gradient(circle at 85% 70%, rgba(201,162,39,0.14), transparent 45%);
}
.cta-final__content { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
.cta-final h2 { color: var(--white); font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-bottom: 20px; }
.cta-final p { color: rgba(255,255,255,0.8); font-size: 1.1rem; line-height: 1.6; margin-bottom: 40px; }
.cta-final__phone { margin-top: 22px !important; color: var(--gold-300); font-weight: 600; letter-spacing: 0.04em; font-size: 1.05rem; }

/* ---------- FOOTER ---------- */
.footer { background: var(--navy-950); padding: 70px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__brand strong { color: var(--white); font-family: var(--font-display); font-size: 1.1rem; display: block; }
.footer__brand p { color: rgba(255,255,255,0.6); margin-top: 4px; font-size: 0.9rem; }
.footer__col h4 { color: var(--gold-300); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px; }
.footer__col a, .footer__col p { color: rgba(255,255,255,0.72); font-size: 0.95rem; line-height: 1.7; }
.footer__col a:hover { color: var(--gold-300); }
.footer__bottom { padding: 24px 0 30px; }
.footer__bottom p { color: rgba(255,255,255,0.45); font-size: 0.82rem; text-align: center; }

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  box-shadow: 0 10px 30px rgba(37,211,102,0.45);
  z-index: 300;
  transition: transform .3s var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float__pulse {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid #25D366;
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1024px) {
  .about__grid, .faq__grid { grid-template-columns: 1fr; gap: 50px; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav { position: fixed; top: 0; right: -100%; height: 100vh; width: min(320px, 82%);
    background: var(--navy-950); flex-direction: column; gap: 0; padding: 100px 32px 32px;
    transition: right .4s var(--ease); box-shadow: -20px 0 50px rgba(0,0,0,0.3);
  }
  .nav.is-open { right: 0; }
  .nav a { color: var(--white); padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.08); width: 100%; }
  .header__cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-active span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .about, .services, .diferenciais, .gallery, .testimonials, .faq, .cta-final { padding: 90px 0; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .hero__stats { gap: 20px; }
  .gallery__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .about__badge { width: 76px; height: 76px; bottom: -18px; right: -14px; }
  .footer__inner { grid-template-columns: 1fr; text-align: left; }
  .whatsapp-float { width: 54px; height: 54px; bottom: 18px; right: 18px; }
}