/* =========================================================
   Arpex BR Logística Integrada — Design System
   Paleta extraída do logotipo: grafite, azul médio, azul claro,
   branco e cinza-claro.
   ========================================================= */

:root {
  --c-graphite: #2b2b2b;
  --c-black: #1a1a1a;
  --c-blue-dark: #0e6ea3;
  --c-blue: #1585bf;
  --c-blue-light: #4fb3e0;
  --c-blue-pale: #eaf6fc;
  --c-white: #ffffff;
  --c-gray-light: #f4f6f8;
  --c-gray-mid: #6b7280;
  --c-gray-border: #e2e6ea;
  --c-success: #1a7f4e;
  --c-error: #b3261e;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(26, 26, 26, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.10);
  --container-w: 1180px;
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--c-graphite);
  background: var(--c-white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--c-blue-dark); text-decoration: none; }
a:hover { color: var(--c-blue); }

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--c-black);
  line-height: 1.25;
  margin: 0 0 16px;
}
h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 16px; color: var(--c-graphite); }

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

.section { padding: 72px 0; }
.section--alt { background: var(--c-gray-light); }
.section--pale { background: var(--c-blue-pale); }
.section--dark { background: var(--c-black); color: var(--c-white); }
.section--dark h2, .section--dark h3 { color: var(--c-white); }
.section-head { max-width: 720px; margin: 0 0 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  color: var(--c-blue-dark);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: 10px;
}

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--c-black); color: #fff; padding: 12px 18px;
  z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  min-height: 44px;
}
.btn:focus-visible { outline: 3px solid var(--c-blue-light); outline-offset: 2px; }
.btn-primary { background: var(--c-blue-dark); color: #fff; }
.btn-primary:hover { background: var(--c-blue); color: #fff; box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--c-white); color: var(--c-white); }
.btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-dark-outline { background: transparent; border-color: var(--c-black); color: var(--c-black); }
.btn-dark-outline:hover { background: var(--c-black); color: #fff; }
.btn-whatsapp { background: #25D366; color: #063; color:#fff; }
.btn-whatsapp:hover { background: #1ebc59; color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: .85rem; min-height: 36px; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--c-gray-border);
  height: var(--header-h);
  display: flex; align-items: center;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand img { height: 42px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: var(--c-graphite); font-weight: 600; font-size: .95rem; white-space: nowrap;
}
.main-nav a.active, .main-nav a[aria-current="page"] { color: var(--c-blue-dark); }
.header-actions { display: flex; align-items: center; gap: 14px; }

.lang-switch { position: relative; }
.lang-switch button {
  background: var(--c-gray-light); border: 1px solid var(--c-gray-border);
  border-radius: 999px; padding: 8px 14px; font-weight: 700; font-size: .85rem;
  cursor: pointer; color: var(--c-graphite); display:flex; align-items:center; gap:6px;
}
.lang-switch ul {
  position: absolute; right: 0; top: calc(100% + 6px); margin: 0; padding: 6px;
  list-style: none; background: #fff; border: 1px solid var(--c-gray-border);
  border-radius: 10px; box-shadow: var(--shadow-md); min-width: 140px; display: none;
}
.lang-switch.open ul { display: block; }
.lang-switch li a { display: block; padding: 8px 10px; border-radius: 6px; font-size: .9rem; }
.lang-switch li a:hover { background: var(--c-gray-light); }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--c-black); margin: 5px 0; transition: .2s;
}

@media (max-width: 960px) {
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    height: calc(100vh - var(--header-h)); z-index: 999;
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 24px; gap: 4px; overflow-y: auto;
    transform: translateX(100%); transition: transform .25s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 14px 8px; width: 100%; border-bottom: 1px solid var(--c-gray-border); }
  .main-nav .btn { margin-top: 14px; width: 100%; }
  .nav-toggle { display: block; }
  .header-desktop-quote { display: none; }
}
@media (min-width: 961px) {
  .main-nav .nav-quote-mobile { display: none; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(180deg, var(--c-black) 0%, #10202b 100%);
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: .55;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,20,28,.92) 20%, rgba(10,30,46,.55) 100%);
}
.hero-content { position: relative; padding: 110px 0 96px; max-width: 680px; }
.hero-content .eyebrow { color: var(--c-blue-light); }
.hero-content h1 { color: #fff; }
.hero-content p.lead { font-size: 1.15rem; color: #e6edf2; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* ===== Cards / Services ===== */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--c-gray-border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-media { aspect-ratio: 4/3; overflow: hidden; background: var(--c-gray-light); }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { margin-bottom: 8px; font-size: 1.1rem; }
.card-body p { font-size: .93rem; color: var(--c-gray-mid); flex: 1; }
.card-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.card-note { font-size: .78rem; color: var(--c-gray-mid); font-style: italic; margin-top: 8px; }

/* ===== Differentiators list ===== */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
@media (max-width: 640px) { .check-list { grid-template-columns: 1fr; } }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; }
.check-list li::before {
  content: ""; flex: 0 0 20px; width: 20px; height: 20px; margin-top: 2px;
  background: var(--c-blue-dark); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 12px;
}

/* ===== Team ===== */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 720px) { .team-grid { grid-template-columns: 1fr; } }
.team-card { background: #fff; border: 1px solid var(--c-gray-border); border-radius: var(--radius); padding: 28px 22px; text-align: center; }
.team-avatar {
  width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 14px;
  background: var(--c-blue-pale); color: var(--c-blue-dark); font-weight: 700; font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
}
.team-card h3 { margin-bottom: 2px; }
.team-card .role { color: var(--c-blue-dark); font-weight: 600; font-size: .9rem; }

/* ===== ESG pillars ===== */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr; } }
.pillar { background: #fff; border: 1px solid var(--c-gray-border); border-radius: var(--radius); padding: 26px; }
.pillar h3 { color: var(--c-blue-dark); }
.pillar ul { margin: 0; padding-left: 20px; color: var(--c-graphite); font-size: .93rem; }
.pillar li { margin-bottom: 8px; }

/* ===== Tracking ===== */
.tracking-box {
  background: var(--c-white); border: 1px solid var(--c-gray-border); border-radius: var(--radius);
  padding: 36px; text-align: center; max-width: 640px; margin: 0 auto; box-shadow: var(--shadow-sm);
}
.tracking-form { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.tracking-form input {
  flex: 1; min-width: 220px; padding: 13px 16px; border-radius: 999px; border: 1px solid var(--c-gray-border);
  font-size: .95rem;
}
.tracking-form input:disabled { background: var(--c-gray-light); color: var(--c-gray-mid); }

/* ===== Form (quote) ===== */
.quote-form { background: #fff; border: 1px solid var(--c-gray-border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .88rem; color: var(--c-graphite); }
.field input, .field select, .field textarea {
  padding: 12px 14px; border: 1px solid var(--c-gray-border); border-radius: 8px;
  font-family: inherit; font-size: .95rem; background: #fff; color: var(--c-graphite);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(21,133,191,.15);
}
.field textarea { resize: vertical; min-height: 100px; }
.field-error { color: var(--c-error); font-size: .82rem; display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--c-error); }
.field.has-error .field-error { display: block; }
.consent-row { display: flex; align-items: flex-start; gap: 10px; grid-column: 1/-1; }
.consent-row input { margin-top: 4px; }
/* Honeypot anti-spam: fora da tela para humanos, mas presente no DOM/tab order
   para bots simples que preenchem todos os campos automaticamente. */
.hp-field {
  position: absolute; left: -9999px; top: -9999px;
  width: 1px; height: 1px; overflow: hidden;
}
.turnstile-placeholder {
  grid-column: 1/-1; border: 1px dashed var(--c-gray-border); border-radius: 8px; padding: 14px;
  font-size: .82rem; color: var(--c-gray-mid); background: var(--c-gray-light);
}
.form-alert { padding: 14px 16px; border-radius: 8px; font-size: .92rem; margin-bottom: 18px; display: none; }
.form-alert.success { background: #e7f5ec; color: var(--c-success); display: block; }
.form-alert.error { background: #fbeceb; color: var(--c-error); display: block; }

/* ===== Footer ===== */
.site-footer { background: var(--c-black); color: #cfd6db; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 16px; }
.site-footer .brand img { height: 38px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.site-footer p { color: #aab3ba; font-size: .9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #cfd6db; font-size: .9rem; }
.site-footer a:hover { color: #fff; }
.partner-seals { display: flex; gap: 18px; align-items: center; margin-top: 16px; flex-wrap: wrap; }
.partner-seals img { height: 30px; width: auto; filter: brightness(0) invert(1); opacity: .85; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px;
  font-size: .82rem; color: #8b949b; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ===== WhatsApp floating button ===== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md);
}
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }
.whatsapp-float:hover { background: #1ebc59; }

/* ===== Partner seals about page ===== */
.about-partners { display: flex; gap: 32px; align-items: center; flex-wrap: wrap; margin-top: 18px; }
.about-partners img { height: 46px; width: auto; }

/* ===== Legal pages ===== */
.legal-content h2 { margin-top: 34px; }
.legal-meta { color: var(--c-gray-mid); font-size: .85rem; margin-bottom: 28px; }
.legal-notice { background: var(--c-blue-pale); border-left: 4px solid var(--c-blue-dark); padding: 14px 18px; border-radius: 0 8px 8px 0; font-size: .88rem; margin-bottom: 28px; }

/* ===== Blog ===== */
.blog-empty { text-align: center; padding: 56px 24px; border: 1px dashed var(--c-gray-border); border-radius: var(--radius); background: var(--c-gray-light); }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; justify-content: center; }
.tag { background: var(--c-blue-pale); color: var(--c-blue-dark); font-size: .82rem; font-weight: 600; padding: 7px 14px; border-radius: 999px; }

/* ===== 404 ===== */
.error-page { text-align: center; padding: 120px 24px; }
.error-page .code { font-size: 5rem; font-weight: 800; color: var(--c-blue-pale); line-height: 1; }

/* ===== Breadcrumb-ish / small text ===== */
.small-muted { color: var(--c-gray-mid); font-size: .88rem; }

/* Reveal-free: keep animations minimal per briefing ("sem excesso de animações") */