/* =========================================================
   PIF TRANSPORTES — STYLE.CSS
   Índice:
   1. Reset & variáveis
   2. Utilitários / container
   3. Botões
   4. Cabeçalho / navegação
   5. Hero
   6. Sobre
   7. Diferenciais (cards)
   8. Cobertura
   9. Como funciona (timeline)
   10. Segmentos
   11. Cotação (formulário)
   12. Chamada final
   13. Rodapé
   14. Botões flutuantes
   15. Animações / responsividade
   ========================================================= */

/* ---------- 1. RESET & VARIÁVEIS ---------- */
:root{
  /* Paleta institucional */
  --verde-escuro: #14301C;
  --verde-escuro-profundo: #0C2013;
  --verde-medio: #2E7D46;
  --verde-claro: #4FAE6D;
  --laranja: #FF6B35;
  --laranja-escuro: #e2551f;
  --branco: #FFFFFF;
  --cinza-claro: #F4F6F9;
  --cinza-borda: #E3E8EF;
  --grafite: #24292F;
  --grafite-suave: #55606B;

  --fonte-titulo: 'Poppins', sans-serif;
  --fonte-texto: 'Inter', sans-serif;

  --raio: 14px;
  --raio-sm: 8px;
  --sombra: 0 10px 30px rgba(20, 48, 28, 0.08);
  --sombra-hover: 0 16px 40px rgba(20, 48, 28, 0.14);
  --transicao: 0.25s ease;

  --header-altura: 76px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-altura);
}

body{
  margin: 0;
  font-family: var(--fonte-texto);
  color: var(--grafite);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul{ list-style: none; margin: 0; padding: 0; }

h1, h2, h3{
  font-family: var(--fonte-titulo);
  color: var(--verde-escuro);
  margin: 0 0 .5em;
  line-height: 1.2;
}

p{ margin: 0 0 1em; }

button{ font-family: inherit; cursor: pointer; }

/* Acessibilidade: foco visível */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible{
  outline: 3px solid var(--laranja);
  outline-offset: 2px;
}

/* Respeita preferência por menos movimento */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------- 2. UTILITÁRIOS ---------- */
.container{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section{ padding: 100px 0; }
.section--muted{ background: var(--cinza-claro); }
.section--dark{ background: var(--verde-escuro); }

.section__head{
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section__title{ font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
.section__title--light{ color: var(--branco); }

.section__paragraph{ color: var(--grafite-suave); font-size: 1.05rem; }
.section__paragraph--center{ text-align: center; margin-left: auto; margin-right: auto; }
.section__paragraph--light{ color: #C6D2C8; }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--laranja);
  margin-bottom: 14px;
}
.eyebrow--dark{ color: var(--verde-medio); }
.eyebrow__line{ width: 34px; height: 2px; background: var(--laranja); display: inline-block; }

/* ---------- 3. BOTÕES ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--raio-sm);
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  transition: transform var(--transicao), box-shadow var(--transicao), background var(--transicao), color var(--transicao);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }

.btn--primary{
  background: var(--laranja);
  color: var(--branco);
  box-shadow: 0 8px 22px rgba(255, 107, 53, .35);
}
.btn--primary:hover{ background: var(--laranja-escuro); box-shadow: 0 12px 28px rgba(255,107,53,.45); }

.btn--outline{
  background: transparent;
  border-color: rgba(255,255,255,.55);
  color: var(--branco);
}
.btn--outline:hover{ background: rgba(255,255,255,.12); border-color: var(--branco); }

.btn--outline-light{
  background: transparent;
  border-color: rgba(255,255,255,.6);
  color: var(--branco);
}
.btn--outline-light:hover{ background: rgba(255,255,255,.15); }

.btn--sm{ padding: 10px 20px; font-size: .85rem; }
.btn--lg{ padding: 17px 34px; font-size: 1rem; width: 100%; }

.icon-wpp{ width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- 4. CABEÇALHO ---------- */
.header{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-altura);
  background: rgba(20, 48, 28, 0.0);
  z-index: 1000;
  transition: background var(--transicao), box-shadow var(--transicao), backdrop-filter var(--transicao);
}
.header.is-scrolled{
  background: rgba(20, 48, 28, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}

.header__inner{
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo{ display: flex; align-items: center; flex-shrink: 0; }
.logo__img{
  height: 46px;
  width: auto;
  display: block;
}
.logo__img--footer{ height: 54px; margin-bottom: 14px; }

.nav__list{
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav__link{
  font-family: var(--fonte-titulo);
  font-size: .92rem;
  font-weight: 500;
  color: var(--branco);
  position: relative;
  padding: 6px 0;
  transition: color var(--transicao);
}
.nav__link::after{
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--laranja);
  transition: width var(--transicao);
}
.nav__link:hover{ color: var(--laranja); }
.nav__link:hover::after{ width: 100%; }

.header__actions{ display: flex; align-items: center; gap: 18px; }

.hamburger{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  padding: 0;
}
.hamburger span{
  display: block;
  width: 24px;
  height: 2px;
  background: var(--branco);
  transition: transform var(--transicao), opacity var(--transicao);
  margin: 0 auto;
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. HERO ---------- */
.hero{
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-altura);
  overflow: hidden;
}
.hero__bg{ position: absolute; inset: 0; z-index: 0; }
.hero__bg img{ width: 100%; height: 100%; object-fit: cover; }
.hero__overlay{
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,32,19,.88) 0%, rgba(12,32,19,.78) 45%, rgba(12,32,19,.94) 100%);
}

.hero__content{
  position: relative;
  z-index: 1;
  padding-top: 60px;
  padding-bottom: 40px;
  max-width: 780px;
}

.hero__title{
  color: var(--branco);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  margin-bottom: .45em;
}
.hero__subtitle{
  color: #D3E0D6;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 560px;
  margin-bottom: 2em;
}
.hero__cta{ display: flex; flex-wrap: wrap; gap: 16px; }

.hero__stats{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-bottom: 48px;
}
.stat-card{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
  border-radius: var(--raio);
  padding: 20px 18px;
  text-align: left;
  transition: transform var(--transicao), background var(--transicao);
}
.stat-card:hover{ transform: translateY(-4px); background: rgba(255,255,255,.14); }
.stat-card__value{
  display: block;
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--branco);
  margin-bottom: 4px;
}
.stat-card__label{
  display: block;
  font-size: .82rem;
  color: #B7C9BC;
}

/* ---------- 6. SOBRE ---------- */
.about{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}
.about__highlights{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}
.about__highlights li{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: .92rem;
  color: var(--verde-escuro);
  background: var(--cinza-claro);
  border-radius: var(--raio-sm);
  padding: 12px 14px;
}
.about__highlights li i{ color: var(--laranja); width: 18px; height: 18px; flex-shrink: 0; }

.about__media img{
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
}

/* ---------- 7. CARDS / DIFERENCIAIS ---------- */
.cards-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.card{
  background: var(--branco);
  border-radius: var(--raio);
  padding: 32px 26px;
  box-shadow: var(--sombra);
  border: 1px solid var(--cinza-borda);
  transition: transform var(--transicao), box-shadow var(--transicao);
}
.card:hover{ transform: translateY(-6px); box-shadow: var(--sombra-hover); }
.card__icon{
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--verde-medio), var(--verde-escuro));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card__icon i{ color: var(--branco); width: 24px; height: 24px; }
.card__title{ font-size: 1.08rem; margin-bottom: 8px; }
.card__text{ color: var(--grafite-suave); font-size: .95rem; margin: 0; }

/* ---------- 8. COBERTURA ---------- */
.coverage{
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}
.coverage__card{
  background: var(--cinza-claro);
  border-radius: var(--raio);
  padding: 32px;
  border: 1px solid var(--cinza-borda);
}
.coverage__city{
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.coverage__city::before{
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--laranja);
  flex-shrink: 0;
}
.coverage__list li{
  padding: 8px 0;
  border-bottom: 1px dashed var(--cinza-borda);
  color: var(--grafite-suave);
  font-size: .96rem;
}
.coverage__list li:last-child{ border-bottom: none; }

.coverage__route{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 6px;
}
.coverage__dot{ width: 10px; height: 10px; border-radius: 50%; background: var(--verde-medio); }
.coverage__path{ width: 2px; height: 46px; background: repeating-linear-gradient(180deg, var(--verde-medio) 0 6px, transparent 6px 12px); }
.coverage__truck{ color: var(--laranja); width: 26px; height: 26px; margin: 4px 0; }

.coverage__note{
  margin-top: 36px;
  text-align: center;
  background: var(--cinza-claro);
  border-left: 4px solid var(--laranja);
  border-radius: var(--raio-sm);
  padding: 20px 24px;
}
.coverage__note p{ margin: 4px 0; color: var(--grafite-suave); }
.coverage__note p strong{ color: var(--verde-escuro); }

/* ---------- 9. COMO FUNCIONA / TIMELINE ---------- */
.timeline{
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.timeline::before{
  content: "";
  position: absolute;
  top: 22px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--cinza-borda);
}
.timeline__item{
  position: relative;
  text-align: center;
  padding-top: 64px;
}
.timeline__num{
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--verde-escuro);
  color: var(--branco);
  font-family: var(--fonte-titulo);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 4px solid var(--cinza-claro);
  z-index: 1;
}
.timeline__item:nth-child(odd) .timeline__num{ background: var(--laranja); }
.timeline__content h3{ font-size: 1rem; margin-bottom: 6px; }
.timeline__content p{ font-size: .9rem; color: var(--grafite-suave); }

/* ---------- 10. SEGMENTOS ---------- */
.segments-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.segment{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  background: var(--cinza-claro);
  border: 1px solid var(--cinza-borda);
  border-radius: var(--raio);
  padding: 26px 14px;
  transition: transform var(--transicao), background var(--transicao), border-color var(--transicao);
}
.segment:hover{ transform: translateY(-4px); background: var(--branco); border-color: var(--verde-medio); }
.segment i{ color: var(--verde-medio); width: 26px; height: 26px; }
.segment span{ font-family: var(--fonte-titulo); font-weight: 600; font-size: .88rem; color: var(--verde-escuro); }

/* ---------- 11. FORMULÁRIO DE COTAÇÃO ---------- */
.quote{ max-width: 780px; }
.quote-form{
  background: var(--branco);
  border-radius: var(--raio);
  padding: 40px;
  box-shadow: var(--sombra);
}
.form__row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form__group{ display: flex; flex-direction: column; gap: 8px; }
.form__group--full{ margin-bottom: 22px; }
.form__group label{
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: .85rem;
  color: var(--verde-escuro);
}
.form__group input,
.form__group textarea{
  border: 1.5px solid var(--cinza-borda);
  border-radius: var(--raio-sm);
  padding: 12px 14px;
  font-family: var(--fonte-texto);
  font-size: .95rem;
  color: var(--grafite);
  background: var(--cinza-claro);
  transition: border-color var(--transicao), background var(--transicao);
  resize: vertical;
}
.form__group input:focus,
.form__group textarea:focus{
  border-color: var(--verde-medio);
  background: var(--branco);
  outline: none;
}
.form__group input.is-invalid,
.form__group textarea.is-invalid{
  border-color: #E4483A;
}
.form__error{
  color: #FFD9D3;
  background: rgba(228, 72, 58, .18);
  border: 1px solid rgba(228,72,58,.4);
  padding: 12px 16px;
  border-radius: var(--raio-sm);
  font-size: .88rem;
  margin-bottom: 20px;
}

/* ---------- 12. CHAMADA FINAL ---------- */
.final-cta{
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}
.final-cta__bg{ position: absolute; inset: 0; }
.final-cta__bg img{ width: 100%; height: 100%; object-fit: cover; }
.final-cta__overlay{ position: absolute; inset: 0; background: linear-gradient(135deg, rgba(12,32,19,.94), rgba(46,125,70,.85)); }
.final-cta__content{
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
}
.final-cta__content h2{ color: var(--branco); font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
.final-cta__content p{ color: #D3E0D6; font-size: 1.08rem; margin-bottom: 2em; }
.final-cta__buttons{ display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- 13. RODAPÉ ---------- */
.footer{ background: var(--verde-escuro-profundo); color: #B7C9BC; padding-top: 70px; }
.footer__inner{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand p{ font-size: .92rem; max-width: 280px; }
.footer h3{
  color: var(--branco);
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 18px;
}
.footer__col ul{ display: flex; flex-direction: column; gap: 12px; }
.footer__col a{ font-size: .92rem; transition: color var(--transicao); }
.footer__col a:hover{ color: var(--laranja); }
.footer__col li{ display: flex; align-items: center; gap: 10px; font-size: .92rem; }
.footer__col li i{ width: 16px; height: 16px; color: var(--verde-claro); flex-shrink: 0; }

.footer__bottom{ text-align: center; padding: 26px 0; font-size: .82rem; }

/* ---------- 14. BOTÕES FLUTUANTES ---------- */
.wpp-float{
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  z-index: 999;
  animation: pulse 2.4s infinite;
}
.wpp-float svg{ width: 30px; height: 30px; color: var(--branco); }
.wpp-float:hover{ transform: scale(1.08); }

@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(37,211,102,.55); }
  70%{ box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100%{ box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.back-to-top{
  position: fixed;
  right: 24px;
  bottom: 92px;
  width: 44px; height: 44px;
  background: var(--verde-escuro);
  color: var(--branco);
  border: none;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transicao), transform var(--transicao), visibility var(--transicao);
}
.back-to-top.is-visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover{ background: var(--verde-medio); }
.back-to-top i{ width: 20px; height: 20px; }

/* ---------- 15. ANIMAÇÕES DE SCROLL ---------- */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 1024px){
  .about{ grid-template-columns: 1fr; }
  .about__media{ order: -1; }
  .cards-grid{ grid-template-columns: repeat(2, 1fr); }
  .segments-grid{ grid-template-columns: repeat(3, 1fr); }
  .hero__stats{ grid-template-columns: repeat(2, 1fr); }
  .footer__inner{ grid-template-columns: 1fr 1fr; }
  .footer__brand{ grid-column: 1 / -1; }
}

@media (max-width: 860px){
  .nav{
    position: fixed;
    top: var(--header-altura);
    left: 0; right: 0;
    background: var(--verde-escuro-profundo);
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }
  .nav.is-open{ max-height: 500px; }
  .nav__list{
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 24px 20px;
  }
  .nav__list li{ width: 100%; }
  .nav__link{ display: block; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .hamburger{ display: flex; }
  .header__actions .btn--sm{ display: none; }

  .timeline{ grid-template-columns: 1fr; gap: 34px; }
  .timeline::before{ top: 0; bottom: 0; left: 22px; right: auto; width: 2px; height: auto; }
  .timeline__item{ padding-top: 0; padding-left: 64px; text-align: left; }
  .timeline__num{ top: 0; left: 22px; transform: translateX(-50%); }

  .coverage{ grid-template-columns: 1fr; }
  .coverage__route{ flex-direction: row; width: 100%; padding: 10px 0; }
  .coverage__path{ width: auto; height: 2px; flex: 1; background: repeating-linear-gradient(90deg, var(--verde-medio) 0 6px, transparent 6px 12px); }
}

@media (max-width: 640px){
  .section{ padding: 70px 0; }
  .cards-grid{ grid-template-columns: 1fr; }
  .segments-grid{ grid-template-columns: repeat(2, 1fr); }
  .hero__stats{ grid-template-columns: 1fr 1fr; }
  .about__highlights{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }
  .footer__inner{ grid-template-columns: 1fr; text-align: left; }
  .final-cta{ padding: 90px 0; }
  .quote-form{ padding: 26px; }
  .hero__cta .btn{ width: 100%; }
}