/* MMTech — site institucional. Paleta neutra/profissional, sem dependências externas. */

:root {
  --color-primary: #1d4ed8;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #eff6ff;
  --color-accent: #059669;
  --color-accent-light: #ecfdf5;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-border: #e2e8f0;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --max-width: 1160px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; margin: 0 0 16px; color: var(--color-text); }
h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 16px; color: var(--color-text-muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-header { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-header p { font-size: 1.05rem; }

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-whatsapp { background: #22c55e; color: #fff; }
.btn-whatsapp:hover { background: #16a34a; }
.btn-lg { padding: 16px 30px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.cta-group { display: flex; gap: 14px; flex-wrap: wrap; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.logo span { color: var(--color-primary); }
.nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav a:hover, .nav a.active { color: var(--color-primary); text-decoration: none; }
.header-right { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: 0.2s;
}

/* Hero */
.hero {
  padding: 88px 0 64px;
  background: linear-gradient(180deg, var(--color-primary-light) 0%, #fff 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero p.lead { font-size: 1.15rem; margin-bottom: 28px; }
.hero-visual {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 28px;
}
.hero-visual ul { list-style: none; margin: 0; padding: 0; }
.hero-visual li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  color: var(--color-text);
}
.hero-visual li:last-child { border-bottom: none; }
.check {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
}

/* Trust bar */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.trust-item { text-align: center; }
.trust-item .num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
}
.trust-item .label { font-size: 0.9rem; color: var(--color-text-muted); }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
  font-weight: 800;
}
.card p:last-child { margin-bottom: 0; }
.card .card-link { font-weight: 600; font-size: 0.9rem; }

/* Documentos fiscais (NFe/CTe/MDFe) */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.doc-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.doc-card-top { padding: 28px; flex: 1; }
.doc-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.doc-card-bottom {
  padding: 18px 28px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

/* Confiança / estatísticas */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
}
.stat-card .num { font-size: 2.1rem; font-weight: 800; color: var(--color-accent); display: block; }

/* Placeholder de depoimentos (marcado para substituição futura) */
.placeholder-box {
  border: 1px dashed #94a3b8;
  border-radius: var(--radius);
  padding: 24px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Depoimentos */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: #fff;
  border: 1px dashed #94a3b8;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.testimonial-card.real { border-style: solid; border-color: var(--color-border); }
.testimonial-stars {
  color: #f59e0b;
  font-size: 0.95rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.testimonial-quote {
  flex: 1;
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.95rem; }
.testimonial-role { font-size: 0.85rem; color: var(--color-text-muted); }
@media (max-width: 860px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* Planos */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}
.plan-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.plan-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.plan-badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.plan-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.plan-desc { font-size: 0.9rem; margin-bottom: 20px; }
.plan-price {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 4px;
}
.plan-price span { font-size: 0.95rem; font-weight: 500; color: var(--color-text-muted); }
.plan-price-note {
  font-size: 0.75rem;
  color: #b45309;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 20px;
}
.plan-features { list-style: none; margin: 0 0 28px; padding: 0; flex: 1; }
.plan-features li {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}
.plan-features li:last-child { border-bottom: none; }

/* Comparativo simples */
.compare-table { width: 100%; border-collapse: collapse; background: #fff; }
.compare-table th, .compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.92rem;
}
.compare-table th { background: var(--color-bg-alt); font-weight: 700; }
.compare-table td.yes { color: var(--color-accent); font-weight: 700; text-align: center; }
.table-scroll { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); }
.table-scroll .compare-table { border: none; }

/* Blog */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.post-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 10px; }
.post-card h3 { margin-bottom: 10px; }
.post-card p { flex: 1; }

.post-article {
  max-width: 760px;
  margin: 0 auto;
}
.post-article h1 { margin-bottom: 10px; }
.post-article .post-meta { margin-bottom: 32px; }
.post-article h2 { margin-top: 36px; }
.post-article ul, .post-article ol { color: var(--color-text-muted); padding-left: 22px; }
.post-article li { margin-bottom: 8px; }

.ad-slot {
  margin: 36px 0;
  padding: 18px;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.78rem;
  color: #94a3b8;
  background: var(--color-bg-alt);
}

/* Contato */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-methods { display: flex; flex-direction: column; gap: 16px; }
.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
}
.contact-method .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex: 0 0 40px;
}
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* CTA final */
.cta-band {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 64px 0;
  text-align: center;
  border-radius: 0;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #cbd5e1; max-width: 560px; margin: 0 auto 28px; }
.cta-band .cta-group { justify-content: center; }

/* Footer */
.site-footer {
  background: var(--color-bg-dark);
  color: #cbd5e1;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-grid h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.04em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: #94a3b8; font-size: 0.9rem; }
.footer-grid a:hover { color: #fff; }
.footer-logo { color: #fff; font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; display: inline-block; }
.footer-logo span { color: #60a5fa; }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  font-size: 0.82rem;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #22c55e;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4);
  z-index: 60;
  font-size: 1.6rem;
  text-decoration: none !important;
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* Página interna genérica (NFe/CTe/MDFe) */
.page-hero {
  padding: 56px 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 14px; }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { display: flex; gap: 12px; padding: 10px 0; }

/* Responsivo */
@media (max-width: 900px) {
  .hero-inner, .two-col, .contact-grid { grid-template-columns: 1fr; }
  .card-grid, .doc-grid, .plans-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-bar, .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .nav { position: fixed; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--color-border); max-height: 0; overflow: hidden; transition: max-height 0.25s ease; }
  .nav.open { max-height: 400px; }
  .nav ul { flex-direction: column; gap: 0; padding: 8px 24px 16px; }
  .nav li { border-bottom: 1px solid var(--color-border); }
  .nav a { display: block; padding: 14px 0; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .card-grid, .doc-grid, .plans-grid, .post-grid, .trust-bar, .stat-grid, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .hero { padding: 56px 0 40px; }
}