/* =====================================================
   SEMEA-TEC — Tema principal
   Paleta: tons de verde, terra e branco
   ===================================================== */

:root {
  --green-900: #1b3a2d;
  --green-700: #2d5a3f;
  --green-500: #4a8c5c;
  --green-300: #7dbd8a;
  --green-100: #d4edda;
  --earth-500: #8b6914;
  --earth-300: #c9a23c;
  --earth-100: #fdf3d0;
  --white:    #ffffff;
  --gray-100: #f6f8f6;
  --gray-200: #e8ece8;
  --gray-500: #6b7b6d;
  --gray-800: #2c332d;
  --radius:   8px;
  --shadow:   0 2px 12px rgba(0,0,0,0.07);
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--gray-100);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--green-900);
  color: var(--white);
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.logo {
  text-decoration: none;
  color: var(--white);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.logo-icon {
  font-size: 1.4rem;
}

.logo-text strong {
  color: var(--earth-300);
}

/* ---------- Navigation ---------- */
.site-nav {
  display: flex;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--green-100);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  background: var(--green-700);
  color: var(--white);
}

.nav-external {
  opacity: 0.75;
}

/* ---------- Language switch ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: 0.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--green-100);
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  letter-spacing: 0.03em;
}

.lang-btn:hover {
  background: var(--green-700);
  color: var(--white);
}

.lang-btn.active {
  background: var(--earth-500);
  color: var(--white);
  border-color: var(--earth-300);
}

.lang-sep {
  color: var(--green-300);
  font-size: 0.8rem;
  user-select: none;
}

/* ---------- Main ---------- */
.site-main {
  flex: 1;
  padding: 2.5rem 0 4rem;
}

.markdown-body {
  background: var(--white);
  padding: 2.5rem 2.8rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Markdown content styles ---------- */
.markdown-body h1 {
  font-size: 2.1rem;
  color: var(--green-900);
  margin-bottom: 0.35rem;
  line-height: 1.25;
}

.markdown-body h2 {
  font-size: 1.45rem;
  color: var(--green-700);
  margin-top: 2.2rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--green-100);
}

.markdown-body h3 {
  font-size: 1.15rem;
  color: var(--earth-500);
  margin-top: 1.6rem;
  margin-bottom: 0.4rem;
}

.markdown-body p {
  margin-bottom: 1.1rem;
}

.markdown-body a {
  color: var(--green-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.markdown-body a:hover {
  color: var(--green-700);
}

.markdown-body ul, .markdown-body ol {
  margin: 0.6rem 0 1.1rem 1.5rem;
}

.markdown-body li {
  margin-bottom: 0.35rem;
}

.markdown-body strong {
  color: var(--green-900);
}

.markdown-body blockquote {
  border-left: 4px solid var(--green-300);
  padding: 0.6rem 1.2rem;
  margin: 1.2rem 0;
  background: var(--green-100);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.markdown-body blockquote p {
  margin: 0;
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 2rem 0;
}

.markdown-body code {
  background: var(--gray-200);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
}

.markdown-body pre {
  background: var(--green-900);
  color: var(--green-100);
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.2rem 0;
  font-size: 0.88rem;
  line-height: 1.55;
}

.markdown-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.markdown-body img {
  max-width: 100%;
  border-radius: var(--radius);
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
}

.markdown-body th, .markdown-body td {
  border: 1px solid var(--gray-200);
  padding: 0.5rem 0.8rem;
  text-align: left;
}

.markdown-body th {
  background: var(--green-100);
  color: var(--green-900);
}

/* ---------- Loading ---------- */
.loading {
  text-align: center;
  color: var(--gray-500);
  padding: 3rem;
  font-style: italic;
}

/* ---------- Team grid (Quem Somos) ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0 2rem;
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.2rem 1rem;
  background: var(--gray-100);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--gray-800);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: 1px solid transparent;
}

.team-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  background: var(--white);
  border-color: var(--green-300);
}

.team-card img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 0.7rem;
  border: 3px solid var(--green-100);
}

.team-card strong {
  font-size: 1rem;
  color: var(--green-900);
  margin-bottom: 0.15rem;
}

.team-card span {
  font-size: 0.82rem;
  color: var(--green-500);
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  margin-bottom: 0.4rem;
}

.team-card small {
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.35;
}

/* ---------- Error state ---------- */
.error-block {
  text-align: center;
  padding: 2rem;
  color: #c0392b;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--green-900);
  color: var(--green-100);
  text-align: center;
  padding: 1.6rem 0;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--earth-300);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.footer-small {
  font-size: 0.78rem;
  opacity: 0.7;
  margin-top: 0.4rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .markdown-body {
    padding: 1.5rem 1.2rem;
  }

  .markdown-body h1 {
    font-size: 1.6rem;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .lang-switch {
    margin-left: 0;
    margin-top: 0.3rem;
  }
}