/* ============================================================
   MatriKem — main.css
   Estilos base, componentes e utilitários
   Importar DEPOIS do Bootstrap e variables.css
   ============================================================ */

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-dark-mid);
  background-color: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-dark);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a { color: var(--color-primary); transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* ── Seções ── */
.section-py    { padding-top: var(--section-py); padding-bottom: var(--section-py); }
.section-py-sm { padding-top: var(--section-py-sm); padding-bottom: var(--section-py-sm); }

/* ── Botões ── */
.btn-primary-mk {
  background: var(--color-primary);
  color: #fff !important;
  border: none;
  border-radius: var(--radius);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}
.btn-primary-mk:hover {
  background: var(--color-primary-dark);
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-mk {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}
.btn-outline-mk:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: var(--radius);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}

.btn-accent-mk {
  background: var(--color-accent);
  color: #fff !important;
  border: none;
  border-radius: var(--radius);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}
.btn-accent-mk:hover {
  background: var(--color-accent-dark);
  color: #fff !important;
  transform: translateY(-1px);
}

/* ── Navbar ── */
.navbar-mk {
  background: var(--color-primary-darker);
  padding: 14px 0;
  transition: box-shadow 0.3s;
}
.navbar-mk .nav-link {
  color: rgba(255,255,255,0.65) !important;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  transition: var(--transition);
}
.navbar-mk .nav-link:hover,
.navbar-mk .nav-link.active {
  color: #fff !important;
}
.navbar-mk .navbar-toggler { border-color: rgba(255,255,255,0.3); }
.navbar-mk .navbar-toggler-icon { filter: invert(1); }

/* ── Navbar Dropdown ── */
.navbar-mk .dropdown-toggle::after {
  border-top-color: rgba(255,255,255,0.65);
  vertical-align: 0.18em;
}
.navbar-mk .dropdown-toggle:hover::after,
.navbar-mk .dropdown-toggle.active::after {
  border-top-color: #fff;
}
.navbar-mk .dropdown-menu {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  min-width: 220px;
  margin-top: 8px;
}
.navbar-mk .dropdown-item {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-dark-mid);
  border-radius: var(--radius);
  padding: 9px 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-mk .dropdown-item:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}
.navbar-mk .dropdown-item .drop-icon {
  width: 28px;
  height: 28px;
  background: var(--color-primary-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.navbar-mk .dropdown-item:hover .drop-icon {
  background: var(--color-primary);
  color: #fff;
}
.navbar-mk .dropdown-item .drop-label small {
  display: block;
  font-size: 0.72rem;
  color: var(--color-dark-muted);
  font-family: var(--font-body);
  font-weight: 400;
  margin-top: 1px;
}
.navbar-mk .dropdown-item:hover .drop-label small {
  color: var(--color-primary);
}
.navbar-mk .dropdown-divider {
  border-color: var(--color-border);
  margin: 6px 8px;
}

/* ── Cards ── */
.card-mk {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}
.card-mk:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-primary-border);
}

.card-segment {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  cursor: pointer;
  transition: var(--transition);
}
.card-segment:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-primary);
}
.card-segment .segment-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.card-segment .segment-link {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  margin-top: 12px;
  display: inline-block;
}
.card-segment .segment-link:hover { text-decoration: underline; }

/* ── Ícone decorativo de card ── */
.icon-circle {
  width: 48px;
  height: 48px;
  background: var(--color-primary-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 16px;
  flex-shrink: 0;
}

/* ── Steps (como funciona) ── */
.step-item { text-align: center; padding: 24px 16px; position: relative; }
.step-num {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 auto 16px;
}
/* Seta entre steps — apenas em desktop */
@media (min-width: 768px) {
  .step-item:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -14px;
    top: 36px;
    color: var(--color-primary-light);
    font-size: 1.5rem;
  }
}

/* ── Citação do especialista ── */
.quote-mk {
  border-left: 3px solid var(--color-primary);
  padding-left: 16px;
  font-style: italic;
  color: var(--color-dark-mid);
  line-height: 1.8;
}

/* ── CTA faixa ── */
.cta-band {
  background: var(--color-primary-darker);
  padding: var(--section-py) 0;
}
.cta-band h2 { color: #fff; }
.cta-band p  { color: var(--color-primary-light); }

/* ── Card PDF / Lead magnet ── */
.card-pdf {
  background: var(--color-accent-bg);
  border: 1px solid var(--color-accent-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

/* ── Form padrão ── */
.form-mk .form-control,
.form-mk .form-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-dark);
  background: var(--color-surface);
  transition: var(--transition);
}
.form-mk .form-control:focus,
.form-mk .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 82, 123, 0.12);
  outline: none;
}
.form-mk label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 6px;
}

/* ── Artigo card ── */
.card-article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.card-article:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-article .article-thumb {
  height: 180px;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  font-size: 2rem;
}
.card-article .article-body { padding: 20px; }
.card-article .article-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.card-article h3 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-dark);
}
.card-article .article-meta {
  font-size: 0.78rem;
  color: var(--color-dark-muted);
  margin-top: 8px;
}

/* ── Contact card lateral ── */
.card-contact-channel {
  background: var(--color-primary-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.card-contact-channel .channel-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.card-contact-channel h6 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-dark);
  margin: 0 0 2px;
}
.card-contact-channel p {
  font-size: 0.82rem;
  color: var(--color-dark-muted);
  margin: 0;
}

/* ── Responsividade ── */
@media (max-width: 768px) {
  :root {
    --section-py: var(--section-py-sm);
  }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .cta-band { padding: var(--section-py-sm) 0; }
}

/* ── Animação de entrada suave (opcional) ── */
@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }
}