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

:root {
  --blue: #1a6fc4;
  --blue2: #2e8be6;
  --blue-dark: #0e4d8f;
  --text-dark: #0f1923;
  --text-mid: #3a4a5a;
  --text-light: #6b7c8d;
  --bg-white: #ffffff;
  --bg-light: #f5f7fa;
  --bg-lighter: #eef1f5;
  --border: #dde3ea;
}

html { scroll-behavior: smooth; }
body { font-family: 'Barlow', sans-serif; background: var(--bg-white); color: var(--text-dark); overflow-x: hidden; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 72px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
nav .logo img { height: 50px; }
nav ul { list-style: none; display: flex; gap: 36px; }
nav ul li a {
  text-decoration: none; color: var(--text-mid);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase; transition: color .2s;
}
nav ul li a:hover, nav ul li a.active { color: var(--blue); }
nav .cta-btn {
  background: var(--blue); border: none; color: #fff;
  padding: 10px 24px; border-radius: 6px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; cursor: pointer; text-decoration: none;
  transition: background .2s, transform .15s;
}
nav .cta-btn:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* HERO */
#home {
  padding-top: 72px;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
.hero-img-wrap {
  width: 100%;
  min-height: calc(100vh - 72px);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* SECTIONS */
section { scroll-margin-top: 72px; }
.section-inner { max-width: 1160px; margin: 0 auto; padding: 96px 5%; }
.section-label {
  font-family: 'Barlow Condensed', sans-serif; font-size: 12px; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase; color: var(--blue); margin-bottom: 10px;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(28px,3.5vw,46px); font-weight: 800;
  text-transform: uppercase; color: var(--text-dark); line-height: 1.1; margin-bottom: 16px;
}
.divider { width: 48px; height: 3px; background: var(--blue); margin-bottom: 32px; }

/* EMPRESA */
#empresa { background: var(--bg-light); }
.empresa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.empresa-text p { font-size: 15px; line-height: 1.85; color: var(--text-mid); margin-bottom: 20px; }
.empresa-deliverables { margin-top: 32px; border-top: 1px solid var(--border); padding-top: 32px; }
.empresa-deliverables h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 17px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; color: var(--blue); margin-bottom: 20px;
}
.deliverable-item { display: flex; gap: 14px; margin-bottom: 16px; align-items: flex-start; }
.deliverable-icon {
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(26,111,196,0.1); border: 1px solid rgba(26,111,196,0.3);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px;
}
.deliverable-icon svg { width: 14px; height: 14px; fill: var(--blue); }
.deliverable-item p { font-size: 14px; line-height: 1.7; color: var(--text-mid); margin: 0; }
.empresa-img-wrap img { width: 100%; border-radius: 10px; box-shadow: 0 16px 48px rgba(0,0,0,0.12); }

/* PRODUTOS */
#produtos { background: var(--bg-white); }
.products-intro { max-width: 640px; margin-bottom: 52px; }
.products-intro p { font-size: 15px; line-height: 1.8; color: var(--text-mid); }
.products-tabs { display: flex; gap: 4px; margin-bottom: 40px; border-bottom: 2px solid var(--border); flex-wrap: wrap; }
.tab-btn {
  background: none; border: none;
  font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-light);
  padding: 12px 24px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color .2s, border-color .2s;
}
.tab-btn.active, .tab-btn:hover { color: var(--blue); border-bottom-color: var(--blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.product-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.product-split.reverse { direction: rtl; }
.product-split.reverse > * { direction: ltr; }
.product-split img { width: 100%; border-radius: 10px; box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.product-items h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 700;
  color: var(--text-dark); text-transform: uppercase; margin-bottom: 20px;
}
.product-list { list-style: none; }
.product-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text-mid);
}
.product-list li::before { content: ''; width: 7px; height: 7px; background: var(--blue2); border-radius: 50%; flex-shrink: 0; }

/* CONTATO */
#contato { background: var(--bg-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info .subtitle { font-size: 15px; color: var(--text-mid); line-height: 1.75; margin-bottom: 32px; }
.contact-hours {
  background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--blue);
  border-radius: 6px; padding: 20px 24px; margin-bottom: 32px;
}
.contact-hours p { font-size: 14px; color: var(--text-mid); line-height: 1.7; }
.contact-hours strong { color: var(--text-dark); }
.contact-channels h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-light); margin-bottom: 18px;
}
.channel-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.channel-row img { width: 40px; height: 40px; object-fit: contain; }
.channel-row a { font-size: 15px; color: var(--text-mid); text-decoration: none; transition: color .2s; }
.channel-row a:hover { color: var(--blue); }
.certs { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--border); }
.certs p {
  font-family: 'Barlow Condensed', sans-serif; font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-light); margin-bottom: 14px;
}
.cert-logos { display: flex; gap: 16px; align-items: center; }
.cert-logos img { height: 44px; object-fit: contain; filter: grayscale(20%) opacity(0.85); transition: filter .2s; }
.cert-logos img:hover { filter: none; }

/* FORMULÁRIO */
.contact-form {
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 40px; box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}
.contact-form h3 {
  font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 700;
  color: var(--text-dark); text-transform: uppercase; margin-bottom: 28px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 12px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-light); margin-bottom: 7px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--bg-lighter); border: 1px solid var(--border);
  border-radius: 6px; padding: 11px 14px; color: var(--text-dark);
  font-family: 'Barlow', sans-serif; font-size: 14px; outline: none; transition: border-color .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--blue); background: #fff;
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-submit {
  width: 100%; background: var(--blue); color: #fff; padding: 14px;
  border: none; border-radius: 6px; cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; transition: background .2s, transform .15s;
}
.form-submit:hover { background: var(--blue-dark); transform: translateY(-1px); }
.form-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.alert-box { display: none; border-radius: 6px; padding: 16px 20px; margin-bottom: 20px; font-size: 14px; line-height: 1.6; }
.alert-success { background: #e8f5e9; border: 1px solid #a5d6a7; border-left: 4px solid #43a047; color: #2e7d32; }
.alert-error { background: #fff3f3; border: 1px solid #ffcdd2; border-left: 4px solid #e53935; color: #c62828; }

/* FOOTER */
footer {
  background: var(--text-dark); padding: 40px 5%;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px;
}
footer .footer-logo img { height: 42px; }
footer .footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); text-align: center; }
footer .footer-social { display: flex; gap: 12px; }
footer .footer-social img { width: 32px; height: 32px; object-fit: contain; opacity: 0.75; transition: opacity .2s; cursor: pointer; }
footer .footer-social img:hover { opacity: 1; }

/* WHATSAPP FLOAT */
.wa-float { position: fixed; bottom: 28px; right: 28px; z-index: 998; }
.wa-float img { width: 56px; height: 56px; filter: drop-shadow(0 4px 14px rgba(0,0,0,0.25)); transition: transform .2s; }
.wa-float img:hover { transform: scale(1.1); }

/* RESPONSIVO */
@media (max-width: 768px) {
  nav ul { display: none; }
  .empresa-grid, .product-split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-split.reverse { direction: ltr; }
  .products-tabs { flex-direction: column; border-bottom: none; }
  .tab-btn { border-bottom: 1px solid var(--border); margin-bottom: 0; }
}