:root {
  --navy: #0f172a;
  --blue: #1e40af;
  --blue-light: #3b82f6;
  --accent: #6366f1;
  --accent-light: #a5b4fc;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-500: #64748b;
  --gray-700: #334155;
  --green: #10b981;
  --red: #ef4444;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--gray-50);
  color: var(--navy);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  background: var(--navy);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .logo {
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav .logo span { color: var(--accent-light); }

nav .nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav .nav-links a {
  color: var(--gray-200);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav .nav-links a:hover { color: var(--white); }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1e1b4b 100%);
  color: var(--white);
  padding: 5rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero h1 span { color: var(--accent-light); }

.hero p {
  font-size: 1.15rem;
  color: var(--gray-200);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero .badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid var(--accent);
  color: var(--accent-light);
  padding: 0.3rem 1rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover { background: #4f46e5; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* ── CONTAINER ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── SECTION ── */
section { padding: 4rem 2rem; }

section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

section .subtitle {
  color: var(--gray-500);
  margin-bottom: 2.5rem;
}

/* ── CARDS ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--gray-200);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card .card-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--accent), var(--blue-light));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p { color: var(--gray-500); font-size: 0.9rem; }

/* ── CRONOGRAMA / ACCOES ── */
.accoes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 700px) { .accoes-grid { grid-template-columns: 1fr; } }

.accao-card {
  background: var(--white);
  border-radius: 1rem;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.accao-header {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.accao-1 .accao-header { background: #dcfce7; color: #166534; }
.accao-2 .accao-header { background: #dbeafe; color: #1e40af; }

.accao-body { padding: 1rem 1.5rem; }

.sessao-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--navy);
  transition: color 0.2s;
}

.sessao-item:last-child { border-bottom: none; }

.sessao-item:hover { color: var(--accent); }

.sessao-item .sessao-data {
  font-weight: 600;
  min-width: 80px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

.sessao-item .sessao-horas {
  margin-left: auto;
  font-size: 0.78rem;
  background: var(--gray-100);
  padding: 0.15rem 0.5rem;
  border-radius: 0.3rem;
  color: var(--gray-500);
  white-space: nowrap;
}

.sessao-item .check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: all 0.2s;
}

.sessao-item.done .check {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

/* ── SLIDES ── */
.slide-container {
  background: var(--white);
  border-radius: 1rem;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  margin-bottom: 2rem;
}

.slide-header {
  background: var(--navy);
  color: var(--white);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.slide-header .slide-title { font-weight: 600; }
.slide-header .slide-counter { color: var(--gray-200); }

.slide-content {
  min-height: 380px;
  padding: 2.5rem;
  display: none;
}

.slide-content.active { display: block; }

.slide-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--navy);
  letter-spacing: -0.02em;
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
}

.slide-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
  margin: 1.5rem 0 0.75rem;
}

.slide-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.slide-content ul li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.slide-content ul li::before {
  content: '▸';
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.85rem;
  margin-top: 0.1rem;
}

.slide-content p {
  color: var(--gray-700);
  margin-bottom: 0.75rem;
}

.slide-highlight {
  background: linear-gradient(135deg, #ede9fe, #dbeafe);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
  border-left: 4px solid var(--accent);
}

.slide-highlight strong { color: var(--navy); }

.slide-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

.slide-nav button {
  background: var(--navy);
  color: var(--white);
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s;
}

.slide-nav button:hover { background: var(--blue); }
.slide-nav button:disabled { background: var(--gray-200); color: var(--gray-500); cursor: default; }

.slide-dots {
  display: flex;
  gap: 0.4rem;
}

.slide-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-200);
  cursor: pointer;
  transition: background 0.2s;
}

.slide-dots .dot.active { background: var(--accent); }

/* ── QUIZ ── */
.quiz-container {
  background: var(--white);
  border-radius: 1rem;
  border: 1px solid var(--gray-200);
  padding: 2rem;
  margin-bottom: 2rem;
}

.quiz-container h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quiz-container h3::before {
  content: '🧠';
  font-size: 1.25rem;
}

.quiz-question {
  margin-bottom: 1.75rem;
}

.quiz-question p {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--navy);
}

.quiz-options { display: flex; flex-direction: column; gap: 0.5rem; }

.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 0.9rem;
}

.quiz-option:hover { border-color: var(--accent); background: #f5f3ff; }

.quiz-option input { accent-color: var(--accent); }

.quiz-option.correct { border-color: var(--green); background: #f0fdf4; }
.quiz-option.wrong { border-color: var(--red); background: #fef2f2; }

.quiz-result {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.quiz-result.show { display: block; }
.quiz-result.good { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.quiz-result.ok   { background: #fefce8; color: #854d0e; border: 1px solid #fde68a; }
.quiz-result.bad  { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.quiz-btn {
  margin-top: 1.5rem;
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.quiz-btn:hover { background: #4f46e5; }

/* ── EXERCICIO ── */
.exercicio-container {
  background: var(--white);
  border-radius: 1rem;
  border: 1px solid var(--gray-200);
  padding: 2rem;
  margin-bottom: 2rem;
}

.exercicio-container h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.exercicio-container h3::before { content: '✏️'; }

.exercicio-instrucao {
  background: var(--gray-50);
  border-left: 4px solid var(--blue-light);
  padding: 1rem 1.25rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  color: var(--gray-700);
}

.exercicio-container textarea {
  width: 100%;
  min-height: 120px;
  border: 2px solid var(--gray-200);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  resize: vertical;
  transition: border-color 0.2s;
  color: var(--navy);
}

.exercicio-container textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── CHECKLIST PROGRESSO ── */
.progresso-bar {
  background: var(--gray-200);
  border-radius: 2rem;
  height: 8px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.progresso-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 2rem;
  transition: width 0.4s ease;
}

.progresso-text {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

/* ── KIT ── */
.kit-card {
  background: linear-gradient(135deg, #1e1b4b, var(--navy));
  color: var(--white);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.kit-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.25rem; }
.kit-card p { color: var(--gray-200); font-size: 0.85rem; }

.kit-card .btn-kit {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  padding: 0.6rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}

.kit-card .btn-kit:hover { background: #4f46e5; }

/* ── SESSAO PAGE ── */
.sessao-header {
  background: var(--navy);
  color: var(--white);
  padding: 2.5rem 2rem;
}

.sessao-header .breadcrumb {
  font-size: 0.8rem;
  color: var(--gray-200);
  margin-bottom: 0.75rem;
}

.sessao-header .breadcrumb a { color: var(--accent-light); text-decoration: none; }

.sessao-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.sessao-header .meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--gray-200);
  flex-wrap: wrap;
}

.sessao-header .meta span {
  background: rgba(255,255,255,0.1);
  padding: 0.2rem 0.75rem;
  border-radius: 2rem;
}

.sessao-body { max-width: 860px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

/* ── PARA PENSAR ── */
.pensar-box {
  background: linear-gradient(135deg, #ede9fe, #dbeafe);
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
}

.pensar-box .pensar-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.pensar-box p { color: var(--navy); font-size: 0.95rem; font-style: italic; }

/* ── TIMING BADGE ── */
.timing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}

/* ── EXERCÍCIO MOODLE BOX ── */
.exercicio-moodle {
  background: #fff;
  border-radius: 1rem;
  border: 2px solid #f59e0b;
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
}
.exercicio-moodle .ex-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.exercicio-moodle .ex-num {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #92400e;
  background: #fef3c7;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
}
.exercicio-moodle .ex-tempo {
  font-size: 0.72rem;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
}
.exercicio-moodle h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.exercicio-moodle .ex-instrucao {
  background: var(--gray-50);
  border-left: 3px solid #f59e0b;
  padding: 0.9rem 1.1rem;
  border-radius: 0 0.5rem 0.5rem 0;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 1rem;
}
.exercicio-moodle .ex-passos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.exercicio-moodle .ex-passos li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--gray-700);
}
.exercicio-moodle .ex-passos li .step-n {
  background: #f59e0b;
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.exercicio-moodle textarea {
  width: 100%;
  min-height: 100px;
  border: 2px solid var(--gray-200);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.88rem;
  resize: vertical;
  color: var(--navy);
  transition: border-color 0.2s;
}
.exercicio-moodle textarea:focus { outline: none; border-color: #f59e0b; }
.moodle-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 0.3rem;
  margin-top: 0.75rem;
}
.bloco-divisor {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--gray-500);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.bloco-divisor::before, .bloco-divisor::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* ── SESSION NAV BAR ── */
.session-nav-bar {
  background: #1e1b4b;
  padding: 0.6rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  overflow-x: auto;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 60px;
  z-index: 90;
}

.snav-home {
  color: var(--accent-light);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
  padding: 0.3rem 0.75rem;
  border-radius: 0.4rem;
  border: 1px solid rgba(165,180,252,0.3);
  transition: background 0.15s;
}
.snav-home:hover { background: rgba(165,180,252,0.1); }

.snav-sessions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.snav-item {
  color: var(--gray-200);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: 0.4rem;
  transition: all 0.15s;
  border: 1px solid transparent;
}
.snav-item:hover { background: rgba(255,255,255,0.08); color: white; }
.snav-item.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.snav-label {
  color: var(--gray-500);
  font-size: 0.75rem;
  margin-left: auto;
  flex-shrink: 0;
  display: none;
}
@media (min-width: 600px) { .snav-label { display: block; } }

/* ── FOOTER ── */
footer {
  background: var(--navy);
  color: var(--gray-500);
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
}

footer a { color: var(--gray-200); text-decoration: none; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  nav { padding: 0.75rem 1rem; }
  nav .nav-links { display: none; }
  .hero { padding: 3rem 1rem; }
  section { padding: 2.5rem 1rem; }
  .slide-content { padding: 1.5rem; min-height: 300px; }
  .slide-content h2 { font-size: 1.25rem; }
  .accoes-grid { grid-template-columns: 1fr; }
  .kit-card { flex-direction: column; }
}