:root {
  --bg: #07080d;
  --bg-soft: #0d1017;
  --panel: rgba(18, 20, 30, 0.86);
  --panel-strong: #121624;
  --panel-alt: #171b2b;
  --ink: #f4f0e8;
  --muted: #9aa3ba;
  --accent: #6fd1ff;
  --accent-2: #8ef2c3;
  --accent-3: #c9a76f;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(111, 209, 255, 0.18);
  --good: #4cc394;
  --warn: #d9a45d;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
  --radius: 30px;
  --radius-sm: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(111, 209, 255, 0.14), transparent 24%),
    radial-gradient(circle at top right, rgba(142, 242, 195, 0.1), transparent 22%),
    radial-gradient(circle at bottom right, rgba(201, 167, 111, 0.08), transparent 28%),
    linear-gradient(180deg, #05070d 0%, #0a0d15 52%, #0f121a 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

body[data-lang="en"] .lang-pt,
body[data-lang="pt"] .lang-en {
  display: none !important;
}

body[data-lang="en"] .lang-en,
body[data-lang="pt"] .lang-pt {
  display: block;
}

a {
  color: inherit;
}

.site-wrap {
  position: relative;
  z-index: 1;
  max-width: 1260px;
  margin: 0 auto;
  padding: 24px 20px 90px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  margin-bottom: 18px;
  backdrop-filter: blur(18px);
}

.site-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 14, 22, 0.82);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #f8fbff;
}

.site-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.site-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.site-links a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 56px 34px 40px;
  border-radius: 34px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(17, 21, 31, 0.98), rgba(20, 26, 40, 0.92));
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -140px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(111, 209, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(111, 209, 255, 0.07), transparent 30%),
    linear-gradient(300deg, rgba(142, 242, 195, 0.05), transparent 34%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0 0 14px;
  line-height: 1.08;
  font-family: "Cormorant Garamond", Georgia, serif;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.7rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

h3 {
  font-size: 1.36rem;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

.hero-copy p {
  max-width: 62ch;
  font-size: 1.03rem;
}

.hero-actions,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 24px;
}

.button,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.chip:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071017;
  border-color: transparent;
  box-shadow: 0 10px 28px rgba(111, 209, 255, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.button.ghost {
  background: transparent;
}

.button.small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.86rem;
}

.chip.active {
  background: rgba(111, 209, 255, 0.18);
  border-color: rgba(111, 209, 255, 0.32);
  color: #eaf8ff;
}

.lang-toggle {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

.lang-toggle button {
  min-height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.lang-toggle button.active {
  background: linear-gradient(135deg, var(--accent), rgba(142, 242, 195, 0.84));
  color: #071017;
}

.glass-card,
.section,
.guide-card,
.mini-card,
.tab-panel,
.timeline-item,
.check-card,
.action-card,
.compare-card,
.teacher-progress-card {
  border: 1px solid var(--line);
  background: rgba(18, 22, 32, 0.82);
  box-shadow: var(--shadow);
}

.glass-card,
.mini-card,
.guide-card,
.timeline-item,
.tab-panel,
.check-card,
.action-card,
.compare-card,
.teacher-progress-card {
  border-radius: 24px;
  padding: 20px;
}

.hero-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.section {
  margin-top: 28px;
  border-radius: 30px;
  padding: 30px 28px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.84fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 22px;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.search-row input,
.ts-field input,
.ts-field textarea,
.ts-field select {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  font: inherit;
}

.ts-field textarea {
  min-height: 120px;
  padding: 14px 16px;
  resize: vertical;
}

.search-note {
  font-size: 0.92rem;
  color: var(--muted);
}

.guide-grid,
.mini-grid,
.check-grid,
.compare-grid,
.lesson-grid {
  display: grid;
  gap: 18px;
}

.guide-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.guide-card {
  display: grid;
  gap: 14px;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.guide-card:hover {
  transform: translateY(-3px);
}

.guide-card.hidden {
  display: none;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  background: rgba(111, 209, 255, 0.11);
  border: 1px solid rgba(111, 209, 255, 0.18);
  color: #d8f5ff;
}

.guide-card p {
  margin-bottom: 0;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.guide-link {
  font-weight: 800;
  text-decoration: none;
  color: var(--accent-2);
}

.guide-link:hover {
  text-decoration: underline;
}

.guide-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  border: 1px solid var(--line);
}

.guide-status-badge[data-status="completed"] {
  color: #bdf4dd;
  border-color: rgba(76, 195, 148, 0.28);
  background: rgba(76, 195, 148, 0.12);
}

.guide-status-badge[data-status="in-progress"] {
  color: #cde6ff;
  border-color: rgba(111, 149, 216, 0.28);
  background: rgba(111, 149, 216, 0.12);
}

.guide-status-badge[data-status="not-started"] {
  color: #c9b69d;
  border-color: rgba(201, 167, 111, 0.2);
  background: rgba(201, 167, 111, 0.08);
}

.mini-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mini-card span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.tab-panel ul,
.compare-card ul,
.lesson-panel ul {
  margin: 12px 0 0 20px;
  padding: 0;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
}

.timeline-step {
  display: inline-grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(111, 209, 255, 0.18), rgba(142, 242, 195, 0.15));
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.check-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.action-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.action-mission {
  color: var(--muted);
  min-height: 3.2em;
}

.action-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.action-check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  font-weight: 800;
  color: var(--ink);
}

.action-check input {
  accent-color: var(--accent);
}

.progress-tools,
.teacher-progress-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.progress-bar {
  margin-top: 18px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 220ms ease;
}

.compare-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.compare-card.good {
  background: rgba(76, 195, 148, 0.08);
}

.compare-card.warn {
  background: rgba(217, 164, 93, 0.08);
}

.footer {
  margin-top: 28px;
  padding: 26px 28px;
  border-radius: 28px;
  background: linear-gradient(135deg, #141e28, #1d2a31);
  color: #f4efe8;
  box-shadow: var(--shadow);
}

.footer p {
  color: rgba(244, 239, 232, 0.82);
}

.teacher-progress-card {
  position: relative;
  overflow: hidden;
}

.teacher-progress-card::after {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(142, 242, 195, 0.18), transparent 72%);
  pointer-events: none;
}

.teacher-progress-card h3 {
  margin-bottom: 8px;
}

.teacher-progress-card p {
  margin-bottom: 8px;
}

.teacher-next-step {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
}

.teacher-shell-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.teacher-shell-btn:hover {
  border-color: var(--line-strong);
}

.ts-fab-group {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 70;
  display: grid;
  gap: 10px;
}

.ts-fab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(111, 209, 255, 0.24);
  background: rgba(11, 14, 22, 0.92);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.32);
}

.ts-fab.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071017;
  border-color: transparent;
}

.ts-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(3, 5, 10, 0.64);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.ts-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.ts-panel,
.ts-drawer {
  position: fixed;
  z-index: 90;
  top: 18px;
  bottom: 18px;
  width: min(420px, calc(100vw - 24px));
  background: linear-gradient(180deg, rgba(16, 19, 28, 0.98), rgba(14, 17, 26, 0.96));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(110%);
  transition: transform 220ms ease;
}

.ts-panel {
  right: 18px;
}

.ts-drawer {
  left: 18px;
  transform: translateX(-110%);
}

.ts-panel.active,
.ts-drawer.active {
  transform: translateX(0);
}

.ts-header,
.ts-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.ts-header h3,
.ts-head h3 {
  margin-bottom: 4px;
}

.ts-header p,
.ts-head p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.ts-close {
  min-width: 42px;
  min-height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 1.1rem;
  cursor: pointer;
}

.ts-body {
  padding: 16px 18px 18px;
  overflow: auto;
  display: grid;
  gap: 16px;
}

.ts-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ts-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.ts-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 22px;
  padding: 16px;
}

.ts-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.ts-card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.ts-messages {
  display: grid;
  gap: 12px;
}

.ts-message {
  padding: 14px 15px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.ts-message.user {
  background: rgba(111, 209, 255, 0.09);
  border-color: rgba(111, 209, 255, 0.16);
}

.ts-message strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ts-message p:last-child {
  margin-bottom: 0;
}

.ts-input-area {
  display: grid;
  gap: 10px;
}

.ts-input-area textarea {
  width: 100%;
  min-height: 120px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

.ts-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.ts-grid {
  display: grid;
  gap: 14px;
}

.ts-field {
  display: grid;
  gap: 8px;
}

.ts-field label {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--ink);
}

.ts-field small {
  color: var(--muted);
  font-size: 0.82rem;
}

.ts-kv {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.ts-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
}

.ts-toggle input {
  accent-color: var(--accent);
}

.ts-task-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.ts-task-list li {
  margin: 0;
}

.ts-task-list .ts-toggle {
  align-items: flex-start;
}

.lesson-panel {
  margin-top: 20px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: rgba(13, 17, 26, 0.84);
  box-shadow: var(--shadow);
  padding: 20px;
}

.lesson-panel h3 {
  margin-bottom: 8px;
}

.lesson-panel .ts-chip-row {
  margin-top: 12px;
}

.lesson-panel .ts-chip.active {
  background: rgba(111, 209, 255, 0.18);
  border-color: rgba(111, 209, 255, 0.34);
}

.lesson-panel .ts-chip[data-value="completed"].active {
  background: rgba(76, 195, 148, 0.18);
  border-color: rgba(76, 195, 148, 0.32);
}

.lesson-panel .ts-chip[data-value="high"].active {
  background: rgba(142, 242, 195, 0.18);
  border-color: rgba(142, 242, 195, 0.32);
}

.lesson-status-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 16px;
}

.muted {
  color: var(--muted);
}

@media (max-width: 1050px) {
  .hero-grid,
  .section-head,
  .guide-grid,
  .mini-grid,
  .check-grid,
  .action-grid,
  .compare-grid,
  .lesson-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-wrap {
    padding: 16px 14px 90px;
  }

  .site-nav-inner {
    border-radius: 24px;
    align-items: flex-start;
  }

  .hero,
  .section,
  .footer {
    padding: 24px 18px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-step {
    width: 58px;
    height: 58px;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    grid-template-columns: 1fr;
  }

  .ts-fab-group {
    right: 12px;
    bottom: 12px;
  }

  .ts-panel,
  .ts-drawer {
    top: 10px;
    right: 10px;
    left: 10px;
    bottom: 10px;
    width: auto;
  }
}