/* ============================================================
   Rosul Distribuidora — Site Estático  |  Paleta Azul
   ============================================================ */

:root {
  --azul:          #1E88E5;
  --azul-escuro:   #1565C0;
  --azul-claro:    #42A5F5;
  --azul-fundo:    #F5FAFF;
  --azul-borda:    #BBDEFB;
  --texto:         #263238;
  --texto-claro:   #607D8B;
  --branco:        #ffffff;
  --cinza-claro:   #f4f7fa;
  --borda:         #e3eaf2;
  --sombra:        0 4px 20px rgba(30,136,229,.10);
  --sombra-md:     0 8px 32px rgba(30,136,229,.16);
  --transicao:     all .3s ease;
  --radius:        8px;
  --max-width:     1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; color: var(--texto); background: var(--branco); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utilitários ── */
.container  { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section-title    { font-size: 2rem; font-weight: 700; color: var(--azul-escuro); margin-bottom: .5rem; }
.section-subtitle { color: var(--texto-claro); font-size: 1.05rem; margin-bottom: 2.5rem; }
.btn { display: inline-block; padding: .75rem 1.75rem; border-radius: 50px; font-weight: 600; font-size: .95rem; cursor: pointer; transition: var(--transicao); text-align: center; }
.btn-azul         { background: var(--azul); color: var(--branco); }
.btn-azul:hover   { background: var(--azul-escuro); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(30,136,229,.35); }
.btn-outline      { border: 2px solid var(--branco); color: var(--branco); }
.btn-outline:hover{ background: var(--branco); color: var(--azul-escuro); }
.text-center { text-align: center; }
section      { padding: 80px 0; }
.bg-azul-claro { background: var(--azul-fundo); }

/* ══════════════════════════════════════════════
   HEADER — branco limpo, logo em destaque
══════════════════════════════════════════════ */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--branco);
  border-bottom: 2px solid var(--azul-borda);
  padding: 10px 0;
  transition: var(--transicao);
  box-shadow: 0 2px 12px rgba(30,136,229,.08);
}
#header .header-inner { display: flex; align-items: center; justify-content: space-between; }

/* Logo — área com respiro, sem filtros */
.logo {
  display: flex; align-items: center;
  padding: 4px 12px 4px 0;
}
.logo img {
  height: 64px; width: auto;
  /* sem filter: a logo aparece com suas cores naturais no fundo branco */
}

nav ul { display: flex; gap: 4px; align-items: center; }
nav a {
  color: var(--texto); padding: 8px 14px; border-radius: 6px;
  font-size: .92rem; font-weight: 500; transition: var(--transicao);
}
nav a:hover, nav a.active {
  color: var(--branco); background: var(--azul);
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--azul-escuro); border-radius: 2px; transition: var(--transicao); }

/* ══════════════════════════════════════════════
   HERO — gradiente azul sobre foto
══════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  background:
    linear-gradient(135deg,
      rgba(21,101,192,.84) 0%,
      rgba(30,136,229,.65) 60%,
      rgba(66,165,245,.50) 100%),
    url('../img/hero.jpg') center/cover no-repeat;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: var(--branco); padding: 130px 20px 80px;
}
.hero-content { max-width: 760px; }
.hero-badge {
  display: inline-block; background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.45);
  color: var(--branco); font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  padding: .4rem 1.2rem; border-radius: 50px; margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}
#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 1.2rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
#hero h1 span { color: #90CAF9; }
#hero p { font-size: 1.15rem; opacity: .92; margin-bottom: 2.5rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.hero-btns  { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2.5rem; justify-content: center; margin-top: 3.5rem; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-number { font-size: 2.2rem; font-weight: 800; color: #90CAF9; display: block; }
.stat-label  { font-size: .82rem; opacity: .82; text-transform: uppercase; letter-spacing: 1px; }

/* ══════════════════════════════════════════════
   SOBRE
══════════════════════════════════════════════ */
#sobre .sobre-grid  { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
#sobre .sobre-img   { border-radius: 14px; overflow: hidden; box-shadow: var(--sombra-md); }
#sobre .sobre-img img { width: 100%; height: 380px; object-fit: cover; }
.sobre-texto .section-title    { text-align: left; }
.sobre-texto .section-subtitle { text-align: left; }
.sobre-texto p { color: var(--texto-claro); margin-bottom: 1rem; }
.marcas-destaque { display: flex; gap: 10px; margin-top: 1.5rem; flex-wrap: wrap; }
.marca-badge {
  background: var(--azul-fundo); color: var(--azul-escuro);
  border: 1px solid var(--azul-borda);
  padding: .45rem 1.1rem; border-radius: 50px; font-size: .84rem; font-weight: 600;
}

/* ══════════════════════════════════════════════
   HISTÓRIA — azul médio, não escuro pesado
══════════════════════════════════════════════ */
#historia { background: var(--azul-escuro); color: var(--branco); }
#historia .section-title    { color: var(--branco); text-align: center; }
#historia .section-subtitle { color: rgba(255,255,255,.70); text-align: center; }

.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: var(--azul-claro); transform: translateX(-50%);
}
.timeline-item { display: flex; justify-content: flex-end; padding-right: calc(50% + 30px); margin-bottom: 2.5rem; position: relative; }
.timeline-item:nth-child(even) { justify-content: flex-start; padding-right: 0; padding-left: calc(50% + 30px); }
.timeline-dot {
  position: absolute; left: 50%; top: 16px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--azul-claro); border: 3px solid var(--azul-escuro);
  transform: translateX(-50%); z-index: 1;
}
.timeline-card {
  background: rgba(255,255,255,.10); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; max-width: 340px;
  border-left: 3px solid var(--azul-claro);
  backdrop-filter: blur(4px);
}
.timeline-item:nth-child(even) .timeline-card { border-left: none; border-right: 3px solid var(--azul-claro); }
.timeline-date { font-size: .78rem; color: #90CAF9; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: .3rem; }
.timeline-card h4 { color: var(--branco); font-size: .95rem; margin-bottom: .4rem; }
.timeline-card p  { color: rgba(255,255,255,.72); font-size: .88rem; line-height: 1.5; }

/* ══════════════════════════════════════════════
   PRODUTOS / MARCAS
══════════════════════════════════════════════ */
#produtos .section-title, #produtos .section-subtitle { text-align: center; }
.marcas-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 18px;
}
.marca-card {
  background: var(--branco); border: 1.5px solid var(--borda); border-radius: var(--radius);
  padding: 1.1rem; display: flex; align-items: center; justify-content: center;
  min-height: 105px; transition: var(--transicao);
}
.marca-card:hover { border-color: var(--azul); box-shadow: var(--sombra); transform: translateY(-3px); }
.marca-card img { max-height: 68px; max-width: 128px; object-fit: contain; filter: grayscale(20%); transition: var(--transicao); }
.marca-card:hover img { filter: grayscale(0%); }

/* ══════════════════════════════════════════════
   DEPOIMENTOS — fundo azul suave, cards brancos
══════════════════════════════════════════════ */
#depoimentos { background: var(--azul-fundo); }
#depoimentos .section-title    { color: var(--azul-escuro); text-align: center; }
#depoimentos .section-subtitle { color: var(--texto-claro); text-align: center; }
.depoimentos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.depoimento-card {
  background: var(--branco); border-radius: var(--radius);
  padding: 1.5rem; border-top: 3px solid var(--azul);
  box-shadow: var(--sombra);
}
.stars { color: #F9A825; font-size: 1rem; margin-bottom: .8rem; }
.depoimento-card blockquote { color: var(--texto-claro); font-size: .92rem; line-height: 1.6; margin-bottom: 1rem; font-style: italic; }
.depoimento-autor { font-weight: 700; color: var(--azul-escuro); font-size: .88rem; }

/* ══════════════════════════════════════════════
   FILIAIS
══════════════════════════════════════════════ */
#filiais .section-title, #filiais .section-subtitle { text-align: center; }
.filiais-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.filial-card {
  background: var(--branco); border-radius: 12px; overflow: hidden;
  box-shadow: var(--sombra); transition: var(--transicao);
  border: 1px solid var(--borda);
}
.filial-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-md); border-color: var(--azul-borda); }
.filial-card img { width: 100%; height: 200px; object-fit: cover; }
.filial-info { padding: 1.4rem; }
.filial-tipo { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--azul); margin-bottom: .3rem; }
.filial-info h3 { font-size: 1.2rem; color: var(--azul-escuro); margin-bottom: .8rem; }
.filial-detail { font-size: .88rem; color: var(--texto-claro); margin-bottom: .35rem; }
.filial-actions { display: flex; gap: .6rem; margin-top: 1.2rem; flex-wrap: wrap; }
.btn-wpp {
  background: #25d366; color: var(--branco); padding: .55rem 1rem;
  border-radius: 50px; font-size: .82rem; font-weight: 700;
  display: inline-flex; align-items: center; gap: .4rem; transition: var(--transicao);
}
.btn-wpp:hover { background: #1ebe5b; transform: translateY(-1px); }
.btn-mapa {
  background: var(--azul-fundo); color: var(--azul-escuro); padding: .55rem 1rem;
  border-radius: 50px; font-size: .82rem; font-weight: 600; border: 1px solid var(--azul-borda);
  display: inline-flex; align-items: center; gap: .4rem; transition: var(--transicao);
}
.btn-mapa:hover { background: var(--azul-borda); }

/* ══════════════════════════════════════════════
   CONTATO
══════════════════════════════════════════════ */
#contato { background: var(--cinza-claro); }
#contato .section-title, #contato .section-subtitle { text-align: center; }
.contato-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; margin-top: 2rem; }
.contato-info h3 { font-size: 1.3rem; margin-bottom: 1.2rem; color: var(--azul-escuro); }
.contato-item { display: flex; gap: 1rem; margin-bottom: 1.2rem; align-items: flex-start; }
.contato-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--azul-fundo); border: 1.5px solid var(--azul-borda);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1.2rem;
}
.contato-item-text strong { display: block; color: var(--azul-escuro); font-size: .9rem; }
.contato-item-text span, .contato-item-text a { color: var(--texto-claro); font-size: .9rem; }
.contato-item-text a:hover { color: var(--azul); }
.contato-form { background: var(--branco); border-radius: 12px; padding: 2rem; box-shadow: var(--sombra); }
.contato-form h3 { font-size: 1.3rem; margin-bottom: 1.5rem; color: var(--azul-escuro); }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: .4rem; color: var(--texto); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: .75rem 1rem; border: 1.5px solid var(--borda);
  border-radius: var(--radius); font-size: .92rem; font-family: inherit;
  transition: var(--transicao); background: var(--branco); color: var(--texto);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(30,136,229,.12);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--texto-claro); margin-top: .5rem; text-align: center; }

/* ══════════════════════════════════════════════
   FOOTER — azul escuro com texto claro
══════════════════════════════════════════════ */
#footer { background: var(--azul-escuro); color: rgba(255,255,255,.78); padding: 50px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand img {
  height: 56px; margin-bottom: 1rem;
  filter: brightness(0) invert(1); /* logo branca no fundo azul escuro */
}
.footer-brand p { font-size: .88rem; opacity: .72; max-width: 280px; line-height: 1.7; }
.footer-col h4 { color: var(--branco); font-size: .95rem; margin-bottom: 1rem; padding-bottom: .5rem; border-bottom: 1px solid rgba(255,255,255,.15); }
.footer-col li { margin-bottom: .5rem; }
.footer-col a { font-size: .88rem; opacity: .72; transition: var(--transicao); }
.footer-col a:hover { opacity: 1; color: #90CAF9; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem; font-size: .82rem; opacity: .55;
}

/* ══════════════════════════════════════════════
   WHATSAPP FLUTUANTE — verde discreto
══════════════════════════════════════════════ */
.wpp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 9999;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 14px rgba(0,0,0,.22); transition: var(--transicao);
  animation: pulse-wpp 3s infinite;
}
.wpp-float:hover { background: #1ebe5b; transform: scale(1.10); animation: none; }
@keyframes pulse-wpp {
  0%, 100% { box-shadow: 0 3px 14px rgba(0,0,0,.22); }
  50%       { box-shadow: 0 3px 22px rgba(37,211,102,.50); }
}

/* ══════════════════════════════════════════════
   RESPONSIVO
══════════════════════════════════════════════ */
@media (max-width: 900px) {
  #sobre .sobre-grid  { grid-template-columns: 1fr; }
  .contato-grid       { grid-template-columns: 1fr; }
  .footer-grid        { grid-template-columns: 1fr 1fr; }
  .timeline::before   { left: 20px; }
  .timeline-item, .timeline-item:nth-child(even) {
    justify-content: flex-start; padding-right: 0; padding-left: 52px;
  }
  .timeline-dot { left: 20px; }
  .timeline-item:nth-child(even) .timeline-card { border-right: none; border-left: 3px solid var(--azul-claro); }
}
@media (max-width: 640px) {
  section { padding: 60px 0; }
  .section-title { font-size: 1.6rem; }
  nav ul {
    display: none; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--branco); padding: 1rem; gap: 4px;
    border-bottom: 2px solid var(--azul);
    box-shadow: 0 8px 20px rgba(30,136,229,.12);
  }
  nav ul.open { display: flex; }
  .nav-toggle  { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats  { gap: 1.2rem; }
  .stat-number { font-size: 1.8rem; }
  .logo img    { height: 52px; }
}