/* ============================================
   Martins STO — estilos compartilhados
   Paleta: azul-marinho (marca) + verde (ação/CTA)
   ============================================ */

:root {
  --dark: #0b2545;
  --dark-2: #123a6b;
  --dark-3: #163f73;
  --accent: #16a34a;
  --accent-2: #22c55e;
  --light: #f5f7fa;
  --white: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(11, 37, 69, 0.08);
  --radius: 14px;
  --max-width: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

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

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

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

.section { padding: 80px 0; }
.section-alt { background: var(--light); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 16px; color: var(--dark); }
h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { margin: 0 0 16px; color: var(--muted); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
}
.btn-primary:hover { background: var(--accent-2); }

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }

.btn-outline-dark {
  background: transparent;
  border-color: var(--dark);
  color: var(--dark);
}
.btn-outline-dark:hover { background: var(--dark); color: var(--white); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.topbar-info {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
}
.topbar-info .container {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar-info a { color: rgba(255,255,255,0.85); }
.topbar-info a:hover { color: var(--accent-2); }

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--dark);
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--dark), var(--dark-3));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

.header-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--dark); display: block; }

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(circle at 20% 20%, var(--dark-3), var(--dark) 60%);
  color: var(--white);
  padding: 90px 0 60px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { color: var(--white); }
.hero p.lead {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }

.hero-art {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 28px;
}
.hero-art ul { display: grid; gap: 14px; }
.hero-art li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255,255,255,0.9);
  font-size: 0.92rem;
}
.hero-art li .ico { font-size: 1.2rem; }

/* ---------- Faixa de recursos (features) ---------- */
.features-strip {
  background: var(--white);
  margin-top: -40px;
  position: relative;
  z-index: 2;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.feature-card .ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(22,163,74,0.12);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.feature-card h4 { margin-bottom: 6px; font-size: 1.02rem; }
.feature-card p { font-size: 0.88rem; margin: 0; }

/* ---------- Cards de serviço ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.service-card .ico {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--dark);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.service-card .btn { margin-top: 12px; padding: 10px 18px; font-size: 0.85rem; }

/* ---------- Sobre / estatísticas ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.stat {
  text-align: center;
  background: var(--light);
  border-radius: var(--radius);
  padding: 22px 12px;
}
.stat strong {
  display: block;
  font-size: 1.8rem;
  color: var(--accent);
  font-weight: 800;
}
.stat span { font-size: 0.82rem; color: var(--muted); }

.about-panel {
  background: linear-gradient(145deg, var(--dark), var(--dark-3));
  color: var(--white);
  border-radius: var(--radius);
  padding: 32px;
}
.about-panel h3 { color: var(--white); }
.about-panel p { color: rgba(255,255,255,0.8); }

/* ---------- CTA diagnóstico ---------- */
.cta-diag {
  background: linear-gradient(120deg, var(--accent), #0d8f42);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}
.cta-diag h2, .cta-diag p { color: var(--white); }
.cta-diag .steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.cta-diag .step { background: rgba(255,255,255,0.12); border-radius: 10px; padding: 16px; }
.cta-diag .step h4 { color: var(--white); margin-bottom: 4px; font-size: 0.95rem; }
.cta-diag .step p { color: rgba(255,255,255,0.85); font-size: 0.82rem; margin: 0; }

.urgent-bar {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 22px 0;
}
.urgent-bar .container { display: flex; justify-content: center; align-items: center; gap: 20px; flex-wrap: wrap; }
.urgent-bar p { color: rgba(255,255,255,0.85); margin: 0; }

/* ---------- Cases / depoimentos ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.case-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(22,163,74,0.1);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.case-card blockquote {
  font-style: italic;
  color: var(--text);
  margin: 0 0 16px;
  font-size: 0.92rem;
}
.case-card .metric { font-size: 0.85rem; color: var(--dark); font-weight: 700; margin-bottom: 4px; }

/* ---------- Ferramentas de acesso remoto ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tool-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
  background: var(--white);
}
.tool-card .ico { font-size: 2rem; margin-bottom: 12px; }

/* ---------- Formulário de contato ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--dark); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-field textarea { resize: vertical; min-height: 120px; }

.contact-info-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-info-item .ico {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--dark);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-item h4 { margin-bottom: 2px; font-size: 0.95rem; }
.contact-info-item p { margin: 0; font-size: 0.88rem; }

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.footer p { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer ul li a:hover { color: var(--accent-2); }
.footer-bottom {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { background: var(--accent); }
.footer-ip { color: rgba(255,255,255,0.5); font-size: 0.78rem; }

/* ---------- Botão flutuante WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  z-index: 60;
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Página interna: hero simples ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--dark), var(--dark-3));
  color: var(--white);
  padding: 64px 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 8px; }
.page-hero p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto; }

.breadcrumb-mini { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 10px; }
.breadcrumb-mini a { color: rgba(255,255,255,0.85); }

/* ---------- Lista de diferenciais / detalhe de serviço ---------- */
.detail-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.detail-block:last-child { border-bottom: none; }
.detail-block .ico-big {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--dark);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 16px;
}
.check-list { display: grid; gap: 10px; margin-top: 16px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--text); }
.check-list li .mark { color: var(--accent); font-weight: 800; }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-diag { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-block { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .header-cta .btn span.label { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar-info .container { justify-content: center; }
  .section { padding: 56px 0; }
}

.nav-links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}