/* ════════════════════════════════════════
   VARIÁVEIS
════════════════════════════════════════ */
:root {
  --blue:       #0038a8;
  --blue-dark:  #002580;
  --red:        #e60023;
  --red-dark:   #c0001d;
  --white:      #ffffff;
  --gray-light: #f4f6fb;
  --gray:       #666666;
  --text:       #1a1a2e;
  --radius:     12px;
  --shadow:     0 10px 40px rgba(0,0,0,0.10);

  /* Transições de seção */
  --transition-section: opacity 0.6s ease, transform 0.6s ease;
  --transition-fast:    0.2s ease;
  --transition-med:     0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

img { display: block; max-width: 100%; }
ul  { list-style: none; }

/* ════════════════════════════════════════
   ACESSIBILIDADE
════════════════════════════════════════ */

/* Skip link — visível ao receber foco pelo teclado */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--blue);
  color: white;
  padding: 10px 18px;
  border-radius: 0 0 8px 8px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visível para todos os elementos interativos */
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ════════════════════════════════════════
   TRANSIÇÃO DE SEÇÃO (fade-in ao rolar)
════════════════════════════════════════ */
.section-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: var(--transition-section);
}
.section-reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════
   UTILITÁRIOS
════════════════════════════════════════ */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  background: rgba(0,56,168,0.08);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-tag--center { display: block; text-align: center; }
.section-tag--light  { background: rgba(255,255,255,0.15); color: white; }

.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.1;
}
.section-title--center { text-align: center; }
.section-title--light  { color: white; }

.section-sub {
  color: var(--gray);
  font-size: 16px;
  max-width: 600px;
}
.section-sub--center { text-align: center; margin: 0 auto 40px; }

/* ════════════════════════════════════════
   BOTÕES — BEM: .btn
════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  font-family: 'Montserrat', sans-serif;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-fast);
}
.btn:hover        { transform: translateY(-2px); }
.btn--primary     { background: var(--red); color: white; box-shadow: 0 4px 16px rgba(230,0,35,0.35); }
.btn--primary:hover { background: var(--red-dark); box-shadow: 0 6px 22px rgba(230,0,35,0.45); }
.btn--outline     { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.7); }
.btn--outline:hover { background: rgba(255,255,255,0.12); border-color: white; }
.btn--full        { width: 100%; justify-content: center; }

/* ════════════════════════════════════════
   HEADER — BEM: .header
════════════════════════════════════════ */
.header {
  position: fixed;
  width: 100%;
  background: white;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  z-index: 1000;
  transition: box-shadow var(--transition-med);
}
.header--scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.14); }

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 20px;
}

.header__logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}
.header__logo:hover { opacity: 0.85; }

.header__logo-img {
  height: 90px;
  width: auto;
  display: block;
}

@media (max-width: 768px) {
  .header__logo-img { height: 64px; }
}

.header__menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--blue);
  padding: 6px;
  border-radius: 6px;
  transition: background var(--transition-fast);
}
.header__menu-btn:hover { background: var(--gray-light); }

/* ════════════════════════════════════════
   NAV — BEM: .nav
════════════════════════════════════════ */
.nav__list {
  display: flex;
  gap: 22px;
  align-items: center;
}

.nav__link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 14px;
  transition: color var(--transition-fast);
  padding: 4px 0;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width var(--transition-med);
}
.nav__link:hover        { color: var(--blue); }
.nav__link:hover::after { width: 100%; }

.nav__link--cta {
  background: var(--red);
  color: white !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 700;
  transition: background var(--transition-fast) !important;
}
.nav__link--cta::after          { display: none; }
.nav__link--cta:hover           { background: var(--red-dark) !important; }

/* ════════════════════════════════════════
   HERO — BEM: .hero
════════════════════════════════════════ */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: white;
  overflow: hidden;
}

/* ── Slides de fundo ── */
.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero__slide--active {
  opacity: 1;
}

/* ── Indicadores (dots) ── */
.hero__dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.6);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast);
}

.hero__dot--active {
  background: white;
  border-color: white;
  transform: scale(1.3);
}

.hero__dot:hover {
  border-color: white;
  background: rgba(255,255,255,0.5);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,37,128,0.75) 0%, rgba(200,0,0,0.45) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
}

.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
  color: white;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 7px 18px;
  border-radius: 30px;
  margin-bottom: 20px;
}
.hero__badge i { margin-right: 6px; color: #f9c74f; }

.hero__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(52px, 8vw, 90px);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero__subtitle {
  font-size: clamp(15px, 2vw, 18px);
  margin-bottom: 36px;
  opacity: 0.92;
  line-height: 1.7;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}

.hero__btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}


/* ════════════════════════════════════════
   SOBRE — BEM: .about
════════════════════════════════════════ */
.about {
  padding: 100px 0;
  background: white;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
}

.about__body {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 15px;
}

.about__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ── badge ── */
.badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-light);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
}
.badge i { color: var(--red); }

.about__visual {
  position: relative;
  height: 320px;
}

.about__card-big {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--blue);
  color: white;
  width: 200px; height: 200px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 20px 50px rgba(0,56,168,0.35);
}
.about__card-big i { font-size: 44px; opacity: 0.9; }

.about__card-small {
  position: absolute;
  background: white;
  border: 2px solid var(--gray-light);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow);
  white-space: nowrap;
}
.about__card-small i           { color: var(--red); font-size: 18px; }
.about__card-small--top        { top: 10px; right: 0; }
.about__card-small--bottom     { bottom: 10px; left: 0; }

/* ════════════════════════════════════════
   SERVIÇOS — BEM: .services / .card
════════════════════════════════════════ */
.services {
  padding: 100px 0;
  text-align: center;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 50px;
}

.card {
  background: white;
  padding: 36px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
  border: 1px solid rgba(0,0,0,0.05);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.13);
}

.card__icon {
  width: 56px; height: 56px;
  background: rgba(0,56,168,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--blue);
  margin-bottom: 18px;
  transition: background var(--transition-med), color var(--transition-med);
}
.card:hover .card__icon { background: var(--blue); color: white; }

.card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.card__body {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ════════════════════════════════════════
   FROTA — BEM: .fleet / .fleet-card
════════════════════════════════════════ */
.fleet {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  padding: 100px 0;
  text-align: center;
}

.fleet__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 50px;
}

.fleet-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition-med), background var(--transition-med);
  backdrop-filter: blur(6px);
}
.fleet-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.10); }

.fleet-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.fleet-card:hover .fleet-card__img { transform: scale(1.04); }

.fleet-card__info { padding: 20px; text-align: left; }

.fleet-card__title {
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.fleet-card__body {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}

/* ════════════════════════════════════════
   STATS — BEM: .stats / .stat
════════════════════════════════════════ */
.stats {
  background: var(--blue);
  color: white;
  padding: 90px 0;
}

.stats__grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}

.stat {
  text-align: center;
  flex: 1;
  min-width: 140px;
}

.stat__icon {
  font-size: 30px;
  opacity: 0.7;
  margin-bottom: 10px;
  display: block;
}

.stat__number {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 60px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat__label {
  font-size: 14px;
  opacity: 0.8;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.stat__divider {
  width: 1px;
  height: 80px;
  background: rgba(255,255,255,0.2);
}

/* ════════════════════════════════════════
   COBERTURA — BEM: .coverage
════════════════════════════════════════ */
.coverage { padding: 100px 0; }

.coverage__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 40px;
}

.coverage__item {
  background: var(--gray-light);
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid var(--blue);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.coverage__item:hover { background: #e8edf8; transform: translateX(4px); }
.coverage__item i { color: var(--red); font-size: 13px; }
.coverage__item--plus { border-left-color: var(--red); color: var(--gray); font-style: italic; }

/* ════════════════════════════════════════
   CLIENTES — barra rolante infinita
════════════════════════════════════════ */
.clients {
  background: white;
  border-top: 1px solid #eaecf4;
  border-bottom: 1px solid #eaecf4;
  padding: 0;
  overflow: hidden;
}

.clients__header {
  text-align: center;
  padding: 36px 0 20px;
}

.clients__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #aab;
}

.clients__track-wrapper {
  position: relative;
  overflow: hidden;
  padding: 16px 0 36px;
  /* Fade nas bordas */
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
}

.clients__track {
  display: flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.clients__track:hover { animation-play-state: paused; }

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.clients__item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-light);
  border: 1px solid #e4e8f0;
  border-radius: 40px;
  padding: 10px 22px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
  cursor: default;
}
.clients__item:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
  transform: translateY(-2px);
}
.clients__item i {
  font-size: 14px;
  color: var(--blue);
  transition: color var(--transition-fast);
}
.clients__item:hover i { color: white; }

/* ════════════════════════════════════════
   DEPOIMENTOS — BEM: .testimonials / .testimonial-card
════════════════════════════════════════ */
.testimonials { background: var(--gray-light); padding: 100px 0; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 50px;
}

.testimonial-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--blue);
  transition: transform var(--transition-med);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.testimonial-card:hover { transform: translateY(-6px); }

.testimonial-card__stars {
  color: #f9c74f;
  font-size: 15px;
  letter-spacing: 2px;
}

.testimonial-card__quote {
  font-size: 15px;
  line-height: 1.75;
  color: #444;
  font-style: italic;
  quotes: "\201C" "\201D";
  flex: 1;
}
.testimonial-card__quote::before { content: open-quote; }
.testimonial-card__quote::after  { content: close-quote; }

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
  /* Reseta o font-style herdado do blockquote */
  font-style: normal;
}

.testimonial-card__avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.testimonial-card__name {
  display: block;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 3px;
}

.testimonial-card__role {
  font-size: 12px;
  color: var(--gray);
}

/* ════════════════════════════════════════
   COTAÇÃO — BEM: .quote
════════════════════════════════════════ */
.quote {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #1a3a8c 100%);
  padding: 100px 0;
}

.quote__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 70px;
  align-items: start;
}

.quote__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 42px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.quote__subtitle {
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  font-size: 15px;
  margin-bottom: 28px;
}

.quote__benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.quote__benefits li {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.quote__benefits i { color: #4ade80; font-size: 13px; }

.quote__form {
  background: white;
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ════════════════════════════════════════
   FORMULÁRIOS — BEM: .form
════════════════════════════════════════ */
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form__input {
  padding: 13px 16px;
  border: 1.5px solid #e0e4ee;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  background: white;
  width: 100%;
}
.form__input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,56,168,0.1);
}
.form__input--textarea { resize: vertical; }

.form__feedback {
  font-size: 14px;
  color: #16a34a;
  min-height: 20px;
  font-weight: 600;
}

/* ════════════════════════════════════════
   CONTATO — BEM: .contact / .contact-item
════════════════════════════════════════ */
.contact { padding: 100px 0; }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 70px;
  margin-top: 50px;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 28px;
  font-style: normal;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item__icon {
  width: 46px; height: 46px;
  background: rgba(0,56,168,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: 18px;
  flex-shrink: 0;
}

.contact-item__label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--blue);
  margin-bottom: 5px;
}

.contact-item p   { font-size: 14px; color: var(--gray); line-height: 1.7; }
.contact-item a   { color: var(--text); text-decoration: none; font-weight: 500; }
.contact-item a:hover { color: var(--blue); }

/* ════════════════════════════════════════
   MAPA — BEM: .map
════════════════════════════════════════ */
.map iframe {
  width: 100%;
  height: 420px;
  border: 0;
  display: block;
  filter: grayscale(20%);
}

/* ════════════════════════════════════════
   FOOTER — BEM: .footer
════════════════════════════════════════ */
.footer {
  background: #0d0d1a;
  color: #aaa;
}

.footer__content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding: 70px 0 50px;
}

.footer__brand strong,
.footer__links strong,
.footer__services strong,
.footer__contact strong {
  display: block;
  color: white;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer__brand p,
.footer__contact p {
  margin-bottom: 8px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-style: normal;
}
.footer__brand p i,
.footer__contact p i { color: var(--blue); font-size: 12px; }

.footer__links ul,
.footer__services ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: #aaa;
  text-decoration: none;
  font-size: 13px;
  transition: color var(--transition-fast);
}
.footer__links a:hover { color: white; }

.footer__services li { font-size: 13px; color: #888; }

.footer__bottom {
  border-top: 1px solid #222;
  text-align: center;
  padding: 22px 0;
  font-size: 12px;
  color: #555;
}

/* ════════════════════════════════════════
   VOLTAR AO TOPO
════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 90px;
  right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-med), transform var(--transition-med);
  z-index: 998;
  box-shadow: 0 4px 14px rgba(0,56,168,0.4);
}
.back-to-top--visible { opacity: 1; pointer-events: all; transform: translateY(0); }
.back-to-top:hover    { background: var(--blue-dark); }

/* ════════════════════════════════════════
   WHATSAPP — BEM: .whatsapp
════════════════════════════════════════ */
.whatsapp {
  position: fixed;
  bottom: 28px; right: 28px;
  background: #25d366;
  color: white;
  padding: 13px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  box-shadow: 0 4px 18px rgba(37,211,102,0.45);
  z-index: 999;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.55);
}

/* ════════════════════════════════════════
   RESPONSIVO
════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer__content { grid-template-columns: 1fr 1fr; }
  .quote__wrapper  { grid-template-columns: 1fr; gap: 40px; }
  .about__grid     { grid-template-columns: 1fr; gap: 50px; }
  .about__visual   { display: none; }
}

@media (max-width: 768px) {
  /* Menu mobile */
  .nav {
    display: none;
    position: absolute;
    top: 62px; left: 0; right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .nav--open         { display: block; }
  .nav--open .nav__list { flex-direction: column; gap: 16px; }

  .header__menu-btn  { display: block; }

  .stats__grid       { flex-direction: column; gap: 36px; }
  .stat__divider     { display: none; }
  .contact__grid     { grid-template-columns: 1fr; gap: 40px; }
  .form__row         { grid-template-columns: 1fr; }
  .footer__content   { grid-template-columns: 1fr; gap: 32px; padding: 40px 0 30px; }

  .hero__title       { font-size: 48px; }
  .section-title     { font-size: 30px; }

  .whatsapp__text    { display: none; }
  .whatsapp          { padding: 13px; border-radius: 50%; }
}