/*!*************************************************************************************************************************************************************************************************************************************************************!*\
  !*** css ./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[11].oneOf[12].use[2]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[11].oneOf[12].use[3]!./app/globals.css ***!
  \*************************************************************************************************************************************************************************************************************************************************************/
:root {
  color-scheme: light;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #f6faf9;
  color: #102033;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(238, 246, 255, 0.7) 0%, rgba(246, 250, 249, 0) 320px),
    #f6faf9;
  min-height: 100vh;
}

* {
  box-sizing: border-box;
}

main {
  width: 100%;
}

.auth-shell {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.auth-card {
  width: min(440px, 100%);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
}

.auth-subtitle {
  margin: 0;
  color: #334155;
}

.app-shell {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.app-shell--lesson-workspace {
  max-width: none;
  padding: 0.75rem 1rem;
  min-height: 100dvh;
  height: 100dvh;
  gap: 0.75rem;
  overflow: hidden;
}

.header-account {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #334155;
}

button {
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 160ms ease, background-color 160ms ease,
    border-color 160ms ease, color 160ms ease;
}

input, textarea, select {
  font: inherit;
}

.markdown-body {
  line-height: 1.6;
  font-size: 1rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  color: #1e293b;
}

.markdown-body pre {
  background: #0f172a;
  color: #f8fafc;
  padding: 0.75rem;
  border-radius: 0.75rem;
  overflow-x: auto;
}

.markdown-body code {
  background: rgba(79, 70, 229, 0.1);
  padding: 0.15rem 0.35rem;
  border-radius: 0.35rem;
}

.markdown-body table {
  border-collapse: collapse;
  width: 100%;
}

.markdown-body table th,
.markdown-body table td {
  border: 1px solid #cbd5f5;
  padding: 0.5rem;
}

.chat-container {
  background: rgba(255, 255, 255, 0.75);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 1.25rem;
  gap: 1.25rem;
}

.catalog-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: 1rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 15px 30px rgba(79, 70, 229, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(79, 70, 229, 0.16);
}

.catalog-card--new {
  border-style: dashed;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #4338ca;
  background: rgba(238, 242, 255, 0.7);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background: rgba(79, 70, 229, 0.12);
  color: #4338ca;
  font-weight: 600;
  font-size: 0.8rem;
}

.chat-message {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  max-width: 80%;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.chat-message.student {
  margin-left: auto;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: white;
}

.chat-message.assistant {
  margin-right: auto;
  background: white;
  border: 1px solid rgba(99, 102, 241, 0.16);
}

.chat-message audio {
  width: 100%;
}

.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 520px;
  overflow-y: auto;
  padding: 1rem;
  padding-right: 0.25rem;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(248, 250, 252, 0.8);
}

.lesson-layout--workspace .chat-thread {
  min-height: 0;
  height: 100%;
  max-height: none;
  overflow-y: auto;
  border-radius: 0.85rem;
}

.lesson-card {
  background: white;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.lesson-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) 1fr;
  grid-gap: 1.5rem;
  gap: 1.5rem;
  align-items: flex-start;
}

.lesson-layout--workspace {
  flex: 1 1;
  min-height: 0;
  height: 100%;
  gap: 0.85rem;
  align-items: stretch;
  overflow: hidden;
}

.lesson-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lesson-layout--workspace .lesson-list {
  min-height: 0;
  max-height: 100%;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.lesson-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.18);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-align: left;
  color: inherit;
}

.lesson-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.16);
}

.lesson-item--active {
  border-color: #6366f1;
  box-shadow: 0 16px 36px rgba(99, 102, 241, 0.24);
}

.lesson-item--locked {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.lesson-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: #1e293b;
}

.lesson-item-text strong {
  color: #4338ca;
  font-size: 0.85rem;
}

.lesson-item-text span {
  font-weight: 600;
}

.lesson-item-text small {
  color: #6366f1;
  font-size: 0.75rem;
}

.lesson-item-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: flex-end;
}

.star-meter {
  font-size: 0.95rem;
  color: #f59e0b;
}

.lesson-detail {
  background: transparent;
  border-radius: 0;
  border: none;
  padding: 0.25rem 0;
  box-shadow: none;
  min-height: 100%;
}

.lesson-layout--workspace .lesson-detail {
  min-height: 0;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.lesson-detail-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.lesson-detail-content--workspace {
  min-height: 0;
  height: 100%;
  gap: 0.35rem;
  overflow: hidden;
}

.lesson-chat-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lesson-chat-workspace--fullscreen {
  flex: 1 1;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  grid-gap: 0.45rem;
  gap: 0.45rem;
  overflow: hidden;
}

.lesson-layout--workspace .lesson-section--compact {
  flex: 1 1;
  min-height: 0;
  margin: 0;
}

.lesson-layout--workspace .lesson-details-toggle {
  margin-top: 0;
}

.lesson-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
}


.lesson-locked-banner {
  background: rgba(239, 68, 68, 0.12);
  border: 1px dashed rgba(239, 68, 68, 0.45);
  border-radius: 1rem;
  padding: 1rem;
  font-weight: 600;
  color: #b91c1c;
}

.lesson-section {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.lesson-section--compact {
  gap: 0.35rem;
}


.lesson-details-toggle {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding-top: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.lesson-details-toggle summary {
  cursor: pointer;
  font-weight: 700;
  color: #312e81;
  margin: 0;
}

.lesson-details-toggle h4,
.lesson-details-toggle p,
.lesson-details-toggle ul {
  margin: 0;
}

.lesson-details-toggle ul {
  padding-left: 1.1rem;
}

.lesson-plan {
  margin: 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lesson-plan li {
  background: rgba(99, 102, 241, 0.08);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  list-style: decimal;
}

.lesson-plan p {
  margin: 0.35rem 0 0 0;
  color: #374151;
}

.practice-list,
.resource-list {
  margin: 0;
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.resource-list a {
  color: #1d4ed8;
}

.lesson-mastery-form textarea {
  min-height: 140px;
  resize: vertical;
  border-radius: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.22);
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.92);
}

.lesson-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.lesson-feedback {
  background: rgba(59, 130, 246, 0.12);
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

@media (max-width: 900px) {
  .lesson-layout {
    grid-template-columns: 1fr;
  }

  .lesson-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }

  .lesson-item {
    min-width: 220px;
  }

  .lesson-detail {
    padding: 1.25rem;
  }

  .lesson-layout--workspace .lesson-detail {
    padding: 0;
  }

}


.progress-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.progress-pill {
  background: rgba(14, 165, 233, 0.18);
  color: #0f172a;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}


.app-shell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.app-shell--lesson-workspace .app-shell-header {
  margin: 0;
}

.app-shell-logo {
  background: none;
  border: none;
  font-size: 1.8rem;
  font-weight: 800;
  color: #1d4ed8;
  cursor: pointer;
}

.mode-tabs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.mode-tab {
  border: 1px solid rgba(79, 70, 229, 0.2);
  background: #fff;
  color: #4338ca;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-weight: 600;
}

.mode-tab--active {
  background: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.45);
}

.form-section {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(79, 70, 229, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.form-section h2 {
  margin-top: 0;
}

.program-pane {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-section--lesson-workspace {
  flex: 1 1;
  min-height: 0;
  height: 100%;
  padding: 0.75rem;
  overflow: hidden;
}

.form-grid {
  display: grid;
  grid-gap: 1rem;
  gap: 1rem;
}

.form-grid.two {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.form-grid label {
  font-weight: 600;
  color: #312e81;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-grid input,
.form-grid textarea,
.form-grid select {
  padding: 0.65rem 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  background: rgba(255, 255, 255, 0.9);
}

.student-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  grid-gap: 1rem;
  gap: 1rem;
}

.student-card {
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 1rem;
  padding: 1rem;
  background: #fff;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  color: inherit;
}

.student-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.18);
  border-color: rgba(99, 102, 241, 0.45);
}

.student-card--active {
  border-color: #6366f1;
  box-shadow: 0 16px 36px rgba(99, 102, 241, 0.24);
}

.student-card--new {
  border-style: dashed;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #4338ca;
  background: rgba(238, 242, 255, 0.7);
}

.student-card-plus {
  font-size: 2rem;
  line-height: 1;
}

.student-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.student-card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: #475569;
  font-size: 0.9rem;
}

.student-card-meta small {
  color: #94a3b8;
  font-size: 0.75rem;
}

.primary-button {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  border: none;
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.primary-button:hover {
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.38);
  transform: translateY(-1px);
}

.primary-button:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.28);
}

.primary-button:focus-visible,
.secondary-button:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.35);
  outline-offset: 2px;
}

.secondary-button {
  background: white;
  color: #4338ca;
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 0.75rem;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
}

.secondary-button:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.18);
}

.secondary-button:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 6px 14px rgba(79, 70, 229, 0.14);
}

.primary-button:disabled,
.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

.button-spinner {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-top-color: rgba(255, 255, 255, 0.95);
  display: inline-block;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.chat-input {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-gap: 0.55rem;
  gap: 0.55rem;
  align-items: end;
}

.chat-input textarea {
  resize: vertical;
  min-height: 72px;
}

.lesson-layout--workspace .chat-input textarea {
  min-height: 56px;
  max-height: 18dvh;
  overflow-y: auto;
}

.chat-typing {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #475569;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #6366f1;
  animation: typingBounce 1s infinite ease-in-out;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes typingBounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  40% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.chat-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.chat-controls label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 50;
}

.modal-card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}

.mermaid-diagram {
  background: white;
  border-radius: 0.75rem;
  padding: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

/* Product app surface, aligned with the landing page design system. */
.app-shell {
  max-width: 1240px;
  padding: clamp(1rem, 2.5vw, 2rem);
  gap: 1.25rem;
}

.app-shell--lesson-workspace {
  max-width: none;
  padding: 0.75rem;
  background: #f6faf9;
}

.app-shell-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 12;
  padding: 0.85rem 0;
  background: rgba(246, 250, 249, 0.9);
  -webkit-backdrop-filter: blur(18px);
          backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
}

.app-shell-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0;
  color: #102033;
  font-size: 1.35rem;
  line-height: 1;
}

.app-shell-logo::before {
  content: '';
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 151, 107, 0.16), rgba(30, 124, 214, 0.14)),
    #0ea573;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.mode-tabs {
  padding: 0.25rem;
  gap: 0.25rem;
  border: 1px solid rgba(16, 32, 51, 0.08);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 14px 36px rgba(16, 32, 51, 0.06);
}

.mode-tab {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: #405266;
  padding: 0.55rem 0.9rem;
  font-weight: 800;
  font-size: 0.92rem;
}

.mode-tab:hover:not(:disabled) {
  color: #087452;
  background: #eef8f3;
}

.mode-tab--active {
  color: #ffffff;
  background: #0b9f70;
  border-color: #0b9f70;
  box-shadow: 0 10px 24px rgba(11, 159, 112, 0.18);
}

.badge {
  border-radius: 8px;
  background: #eef8f3;
  color: #087452;
  border: 1px solid rgba(11, 159, 112, 0.16);
  font-weight: 800;
}

.form-section,
.lesson-card,
.student-card,
.catalog-card,
.modal-card {
  border-radius: 8px;
  border: 1px solid rgba(16, 32, 51, 0.1);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(16, 32, 51, 0.08);
}

.form-section {
  padding: clamp(1rem, 2vw, 1.5rem);
}

.form-section h2,
.form-section h3,
.lesson-section h4,
.lesson-details-toggle summary {
  color: #102033;
}

.form-section h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  line-height: 1.1;
}

.student-grid {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.student-card,
.catalog-card,
.lesson-item {
  box-shadow: 0 10px 28px rgba(16, 32, 51, 0.06);
}

.student-card:hover,
.catalog-card:hover,
.lesson-item:hover {
  border-color: rgba(11, 159, 112, 0.34);
  box-shadow: 0 16px 36px rgba(16, 32, 51, 0.1);
  transform: translateY(-2px);
}

.student-card--active,
.lesson-item--active {
  border-color: #0b9f70;
  box-shadow: 0 16px 38px rgba(11, 159, 112, 0.16);
}

.student-card--new,
.catalog-card--new {
  color: #087452;
  background: linear-gradient(180deg, #f6fffb 0%, #eef8f3 100%);
  border-color: rgba(11, 159, 112, 0.26);
}

.student-card-plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #0b9f70;
  color: #ffffff;
  font-size: 1.75rem;
}

.student-card-meta,
.catalog-card p,
.lesson-plan p,
.lesson-section,
.lesson-feedback,
.markdown-body {
  color: #405266;
}

.primary-button {
  min-height: 44px;
  border-radius: 8px;
  background: #0b9f70;
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(11, 159, 112, 0.22);
  font-weight: 800;
}

.primary-button:hover {
  background: #078a62;
  box-shadow: 0 16px 34px rgba(11, 159, 112, 0.26);
}

.secondary-button {
  min-height: 42px;
  border-radius: 8px;
  color: #087452;
  border-color: rgba(8, 116, 82, 0.28);
  background: #ffffff;
  font-weight: 800;
}

.secondary-button:hover {
  color: #075f44;
  background: #eef8f3;
  border-color: rgba(8, 116, 82, 0.45);
  box-shadow: 0 10px 24px rgba(16, 32, 51, 0.08);
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.mode-tab:focus-visible,
.student-card:focus-visible,
.catalog-card:focus-visible,
.lesson-item:focus-visible {
  outline: 3px solid rgba(11, 159, 112, 0.24);
  outline-offset: 2px;
}

.form-grid label {
  color: #102033;
  font-weight: 800;
}

.form-grid input,
.form-grid textarea,
.form-grid select,
.chat-input textarea,
.chat-input input {
  border-radius: 8px;
  border: 1px solid rgba(16, 32, 51, 0.14);
  background: #ffffff;
  color: #102033;
}

.form-grid input:focus,
.form-grid textarea:focus,
.form-grid select:focus,
.chat-input textarea:focus,
.chat-input input:focus {
  border-color: rgba(11, 159, 112, 0.55);
  box-shadow: 0 0 0 4px rgba(11, 159, 112, 0.1);
  outline: none;
}

.lesson-layout {
  grid-template-columns: minmax(240px, 290px) minmax(0, 1fr);
  gap: 1rem;
}

.lesson-item {
  border-radius: 8px;
  border-color: rgba(16, 32, 51, 0.1);
  background: #ffffff;
}

.lesson-item-text strong,
.lesson-item-text small {
  color: #1d77c3;
}

.lesson-detail {
  padding: 0;
}

.lesson-details-toggle {
  border-top-color: rgba(16, 32, 51, 0.1);
}

.lesson-plan li,
.lesson-feedback {
  border-radius: 8px;
  background: #eef6ff;
  border: 1px solid rgba(29, 119, 195, 0.12);
}

.chat-thread {
  border-radius: 8px;
  border-color: rgba(16, 32, 51, 0.1);
  background: #f8fbfd;
}

.chat-message {
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(16, 32, 51, 0.08);
}

.chat-message.student {
  background: #0b9f70;
}

.chat-message.assistant {
  border-color: rgba(29, 119, 195, 0.16);
}

.typing-dot {
  background: #0b9f70;
}

.chat-input {
  padding-top: 0.25rem;
}

.chat-input textarea,
.chat-input input {
  padding: 0.8rem 0.9rem;
}

.progress-pill {
  border-radius: 8px;
  background: #eef6ff;
  color: #12395f;
  border: 1px solid rgba(29, 119, 195, 0.14);
}

.modal-overlay {
  background: rgba(16, 32, 51, 0.52);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
}

.modal-card {
  max-width: 560px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

@media (max-width: 900px) {
  .app-shell {
    padding: 0.75rem;
    gap: 0.85rem;
  }

  .app-shell-header {
    position: static;
    align-items: stretch;
  }

  .app-shell-logo {
    font-size: 1.2rem;
  }

  .mode-tabs {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
  }

  .mode-tabs::-webkit-scrollbar {
    display: none;
  }

  .mode-tab {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .form-section {
    padding: 1rem;
  }

  .student-grid,
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .lesson-layout {
    grid-template-columns: 1fr;
  }

  .lesson-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(230px, 82vw);
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .lesson-item {
    min-width: 0;
  }

  .chat-input {
    grid-template-columns: 1fr;
  }

  .chat-input > .primary-button {
    width: 100%;
  }

  .chat-message {
    max-width: 92%;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 0.75rem;
  }

  .modal-card {
    max-width: none;
  }
}

@media (max-width: 430px) {
  .mode-tabs {
    justify-content: space-between;
  }

  .mode-tab {
    flex: 1 1 auto;
    padding: 0.5rem 0.55rem;
    font-size: 0.84rem;
  }
}

.landing-page {
  min-height: 100vh;
  background: #ffffff;
  color: #102033;
}

.landing-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  grid-gap: 2rem;
  gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(18px);
          backdrop-filter: blur(18px);
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #102033;
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
}

.landing-brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 151, 107, 0.16), rgba(30, 124, 214, 0.14)),
    #0ea573;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.landing-brand-mark::before,
.landing-brand-mark::after {
  content: '';
  position: absolute;
  top: 8px;
  width: 10px;
  height: 13px;
  border: 2px solid #ffffff;
  border-top: none;
}

.landing-brand-mark::before {
  left: 6px;
  transform: skewY(24deg);
  border-right: none;
}

.landing-brand-mark::after {
  right: 6px;
  transform: skewY(-24deg);
  border-left: none;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 3vw, 2.5rem);
}

.landing-nav a,
.landing-header-actions a,
.landing-hero-actions a,
.landing-final-actions a {
  text-decoration: none;
}

.landing-nav a {
  color: #24364b;
  font-size: 0.95rem;
  font-weight: 650;
}

.landing-header-actions,
.landing-hero-actions,
.landing-final-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1.25rem;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1;
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.landing-btn--large {
  min-width: 212px;
  min-height: 52px;
}

.landing-btn--primary {
  color: #ffffff;
  background: #0b9f70;
  box-shadow: 0 14px 30px rgba(11, 159, 112, 0.22);
}

.landing-btn--primary:hover {
  background: #078a62;
  transform: translateY(-1px);
}

.landing-btn--secondary {
  color: #087452;
  background: #ffffff;
  border-color: rgba(8, 116, 82, 0.32);
}

.landing-btn--secondary:hover {
  border-color: rgba(8, 116, 82, 0.55);
  box-shadow: 0 10px 24px rgba(16, 32, 51, 0.08);
  transform: translateY(-1px);
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  grid-gap: clamp(1.75rem, 4vw, 3.5rem);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
  min-height: calc(100vh - 140px);
  padding: clamp(2rem, 5vw, 4.5rem) clamp(1rem, 4vw, 4rem) 2rem;
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
}

.landing-hero-copy {
  max-width: 660px;
}

.landing-hero h1 {
  margin: 0;
  color: #0d2035;
  font-size: clamp(2.45rem, 4.5vw, 4.55rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.landing-hero p {
  margin: 1.15rem 0 0;
  max-width: 600px;
  color: #405266;
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  line-height: 1.58;
}

.landing-hero-actions {
  margin-top: 1.65rem;
}

.landing-trust {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.65rem;
  color: #526579;
  font-size: 0.94rem;
  font-weight: 700;
}

.landing-trust span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.landing-trust span::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #0b9f70;
}

.landing-hero-media {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(16, 32, 51, 0.18);
  border: 1px solid rgba(16, 32, 51, 0.08);
  background: #eef6f3;
}

.landing-hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.landing-section {
  padding: clamp(4rem, 7vw, 7rem) clamp(1rem, 4vw, 4rem);
}

.landing-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.7fr);
  grid-gap: 2rem;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.landing-section-heading h2,
.landing-final h2,
.landing-investors h2,
.landing-investors h3 {
  margin: 0;
  color: #0d2035;
  line-height: 1.05;
  letter-spacing: 0;
}

.landing-section-heading h2,
.landing-final h2 {
  font-size: clamp(2rem, 3.5vw, 3.6rem);
}

.landing-section-heading p,
.landing-final p,
.landing-investors p {
  margin: 0;
  color: #526579;
  line-height: 1.65;
  font-size: 1.02rem;
}

.landing-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-gap: 1rem;
  gap: 1rem;
}

.landing-step,
.landing-audience-card,
.landing-investor-points article {
  border: 1px solid rgba(16, 32, 51, 0.1);
  border-radius: 8px;
  background: #ffffff;
}

.landing-step {
  padding: 1.25rem;
}

.landing-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #ffffff;
  background: #1d77c3;
  font-weight: 800;
}

.landing-step h3,
.landing-audience-card h3,
.landing-investor-points h4 {
  margin: 1rem 0 0;
  color: #102033;
  font-size: 1.08rem;
}

.landing-step p,
.landing-investor-points p {
  margin: 0.7rem 0 0;
  color: #526579;
  line-height: 1.55;
}

.landing-section--audience {
  background: #f5faf8;
}

.landing-section--steps {
  padding-top: 1rem;
}

.landing-audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-gap: 1rem;
  gap: 1rem;
}

.landing-audience-card {
  padding: clamp(1.4rem, 3vw, 2rem);
}

.landing-audience-card ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-gap: 0.75rem;
  gap: 0.75rem;
}

.landing-audience-card li {
  position: relative;
  padding-left: 1.6rem;
  color: #405266;
  line-height: 1.5;
}

.landing-audience-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #0b9f70;
}

.landing-investors {
  display: grid;
  grid-template-columns: minmax(280px, 0.58fr) 1fr;
  grid-gap: clamp(2rem, 5vw, 4rem);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  background: #eef6ff;
  border-top: 1px solid rgba(29, 119, 195, 0.12);
  border-bottom: 1px solid rgba(29, 119, 195, 0.12);
}

.landing-investors h2 {
  font-size: 1.05rem;
  color: #1d77c3;
  margin-bottom: 0.65rem;
}

.landing-investors h3 {
  font-size: clamp(1.9rem, 3vw, 3.1rem);
}

.landing-investors-copy p {
  margin: 1rem 0 1.5rem;
}

.landing-investor-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 1rem;
  gap: 1rem;
}

.landing-investor-points article {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.75);
}

.landing-investor-points h4 {
  margin-top: 0;
}

.landing-final {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  grid-gap: 2rem;
  gap: 2rem;
  margin: clamp(1rem, 4vw, 4rem);
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: 8px;
  background: linear-gradient(135deg, #e9f8f2, #f5fbff);
  border: 1px solid rgba(11, 159, 112, 0.16);
}

.landing-final p {
  margin-top: 0.8rem;
}

@media (max-width: 1050px) {
  .landing-header {
    grid-template-columns: 1fr auto;
  }

  .landing-nav {
    display: none;
  }

  .landing-hero,
  .landing-investors,
  .landing-final {
    grid-template-columns: 1fr;
  }

  .landing-hero {
    min-height: auto;
  }

  .landing-steps,
  .landing-investor-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .landing-header {
    position: static;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .landing-header-actions,
  .landing-hero-actions,
  .landing-final-actions {
    width: 100%;
  }

  .landing-btn,
  .landing-btn--large {
    width: 100%;
    min-width: 0;
  }

  .landing-hero {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }

  .landing-section-heading,
  .landing-steps,
  .landing-audience-grid,
  .landing-investor-points {
    grid-template-columns: 1fr;
  }

  .landing-hero h1 {
    font-size: 2.4rem;
  }
}

/* Landing layout reset: one clean system for the public page. */
.landing-2026 {
  --ot-2026-ink: #0b1728;
  --ot-2026-muted: #526174;
  --ot-2026-blue: #2447b8;
  --ot-2026-teal: #2f7f91;
  --ot-2026-indigo: #293b7a;
  --ot-2026-amber: #b6722a;
  --ot-2026-paper: #f7f9fc;
  --landing-container: 1120px;
  --landing-card: #ffffff;
  --landing-line: rgba(11, 23, 40, 0.11);
  --landing-shadow: 0 18px 54px rgba(11, 23, 40, 0.08);
  overflow: visible;
  background:
    linear-gradient(rgba(11, 23, 40, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 23, 40, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #fbfcff 0%, #f7f9fc 62%, #ffffff 100%);
  background-size: 48px 48px, 48px 48px, auto;
  color: var(--ot-2026-ink);
}

.landing-2026 .landing-header,
.landing-2026 .landing-section,
.landing-2026 .tldr-strip,
.landing-2026 .hero-2026,
.landing-2026 .landing-final,
.landing-2026 .landing-footer {
  width: min(var(--landing-container), calc(100% - 48px));
  max-width: var(--landing-container);
  margin-left: auto;
  margin-right: auto;
}

.landing-header-2026 {
  position: -webkit-sticky;
  position: sticky;
  top: 16px;
  z-index: 20;
  grid-template-columns: auto 1fr auto;
  min-height: 64px;
  margin-top: 16px;
  padding: 8px 10px 8px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(18px);
          backdrop-filter: blur(18px);
  box-shadow: 0 14px 36px rgba(11, 23, 40, 0.08);
}

.landing-2026 .landing-nav {
  gap: 10px;
}

.landing-2026 .landing-nav a {
  min-height: 40px;
  padding: 0 10px;
  color: #27364a;
  font-size: 0.9rem;
  font-weight: 800;
}

.landing-2026 .landing-btn,
.landing-2026 .landing-link-cta {
  text-decoration: none;
}

.landing-2026 .landing-btn {
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 0.95rem;
  white-space: nowrap;
}

.landing-2026 .landing-btn--large {
  min-width: 0;
  min-height: 50px;
  padding-inline: 24px;
}

.landing-2026 .landing-btn--primary {
  background: #2447b8;
  border-color: #2447b8;
  box-shadow: 0 16px 34px rgba(36, 71, 184, 0.22);
}

.landing-2026 .landing-btn--primary:hover {
  background: #1d3eaa;
}

.landing-2026 .landing-btn--secondary {
  color: #2447b8;
  background: #ffffff;
  border-color: rgba(36, 71, 184, 0.24);
  box-shadow: none;
}

.hero-2026 {
  min-height: auto;
  padding: 56px 0 44px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  grid-gap: 56px;
  gap: 56px;
  align-items: center;
}

.hero-copy-2026 h1 {
  max-width: 620px;
  font-size: clamp(3rem, 5.2vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy-2026 p {
  max-width: 560px;
  margin-top: 22px;
  color: var(--ot-2026-muted);
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  line-height: 1.55;
}

.hero-2026 .landing-hero-actions {
  margin-top: 28px;
  gap: 16px;
}

.landing-link-cta {
  color: var(--ot-2026-ink);
  font-size: 0.96rem;
}

.landing-link-cta::after {
  background:
    linear-gradient(135deg, rgba(36, 71, 184, 0.12), rgba(36, 71, 184, 0.05)),
    url("data:image/svg+xml,%3Csvg width='34' height='34' viewBox='0 0 34 34' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13 10L21 17L13 24' stroke='%230b1728' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.proof-strip-2026 {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}

.proof-strip-2026 span {
  min-height: 34px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.86);
  color: #27364a;
  box-shadow: none;
}

.proof-strip-2026 span:nth-child(4) {
  color: #27364a;
  border-color: var(--landing-line);
}

.hero-product-shell {
  min-height: 0;
  height: 430px;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: var(--landing-shadow);
}

.hero-product-grid {
  min-height: 0;
  height: calc(100% - 50px);
  grid-template-columns: 120px minmax(0, 1fr) 150px;
  gap: 12px;
  padding: 12px;
}

.hero-product-topbar {
  height: 50px;
  padding: 0 14px;
}

.hero-product-topbar span {
  background: linear-gradient(90deg, #2447b8 0 22px, #7c8dcc 22px 44px, #d7deef 44px 66px);
}

.hero-product-rail,
.hero-chat-demo,
.hero-insight-panel {
  border-radius: 18px;
  background: #fbfcff;
  box-shadow: none;
}

.hero-chat-demo article.student {
  background: #2447b8;
}

.hero-ring {
  background: conic-gradient(#2447b8 0 74%, #dbe3f1 74% 100%);
}

.tldr-strip {
  margin-top: 0;
  padding: 0 0 56px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tldr-card,
.tldr-card--blue,
.tldr-card--teal,
.tldr-card--amber,
.tldr-card--indigo {
  min-height: 132px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--landing-line);
  border-radius: 22px;
  box-shadow: 0 14px 38px rgba(11, 23, 40, 0.055);
}

.tldr-card strong {
  color: var(--ot-2026-ink);
}

.landing-2026 .landing-section {
  padding: 68px 0;
}

.landing-2026 .landing-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.42fr);
  grid-gap: 56px;
  gap: 56px;
  margin-bottom: 28px;
  align-items: start;
}

.landing-2026 .landing-section-heading h2,
.usecase-panel h2,
.final-2026 h2 {
  max-width: 760px;
  font-size: clamp(2.15rem, 4.1vw, 3.7rem);
  line-height: 1.02;
  text-wrap: balance;
}

.landing-2026 .landing-section-heading p,
.usecase-panel p,
.final-2026 p {
  max-width: 520px;
  color: var(--ot-2026-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.bento-2026 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: auto;
  grid-gap: 16px;
  gap: 16px;
}

.bento-card,
.product-story-2026 .bento-card,
.segment-grid-2026 .segment-card,
.pricing-card,
.faq-grid article,
.landing-investor-points article {
  min-height: 0;
  padding: 24px;
  border: 1px solid var(--landing-line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 38px rgba(11, 23, 40, 0.055);
}

.bento-card--large,
.product-story-2026 .bento-card--large {
  grid-column: span 1;
  grid-row: span 1;
  background: #101d30;
  color: #ffffff;
}

.bento-card--accent {
  grid-column: span 2;
  background: #eef4ff;
}

.bento-card h3,
.product-story-2026 .bento-card h3 {
  margin-top: 14px;
  font-size: clamp(1.25rem, 1.8vw, 1.55rem);
  line-height: 1.12;
}

.bento-card p,
.product-story-2026 .bento-card p {
  color: color-mix(in srgb, currentColor 72%, transparent);
  font-size: 1rem;
  line-height: 1.48;
}

.bento-metric {
  background: #edf2ff;
  color: #2447b8;
}

.mini-timeline .done span {
  background: #7c8dcc;
  border-color: #7c8dcc;
}

.segment-grid-2026 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 16px;
  gap: 16px;
}

.segment-grid-2026 .segment-card {
  min-height: 210px;
}

.usecase-panel {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: 44px;
  padding: 32px;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: var(--landing-shadow);
}

.usecase-panel h2 {
  max-width: 680px;
  overflow-wrap: normal;
}

.usecase-tabs {
  gap: 12px;
}

.usecase-tabs article {
  min-height: 132px;
  padding: 22px;
  border-radius: 20px;
  background: #f7f9fc;
}

.usecase-tabs article.is-active {
  color: #ffffff;
  background: #2447b8;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 16px;
  gap: 16px;
  align-items: stretch;
}

.pricing-card {
  display: flex;
  min-height: 340px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.pricing-card--featured {
  transform: none;
  border-color: rgba(36, 71, 184, 0.36);
  background: #eef4ff;
}

.pricing-card--featured::before {
  color: #2447b8;
  background: #ffffff;
  border-color: rgba(36, 71, 184, 0.18);
}

.pricing-card strong {
  color: #2447b8;
}

.pricing-card .landing-btn {
  margin-top: auto;
}

.investors-2026,
.landing-2026 .landing-section.investors-2026 {
  width: min(var(--landing-container), calc(100% - 48px));
  max-width: var(--landing-container) !important;
  margin: 0 auto !important;
  padding: 44px;
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1fr);
  grid-gap: 36px;
  gap: 36px;
  border: 1px solid var(--landing-line);
  border-radius: 28px;
  background: #101d30;
  box-shadow: var(--landing-shadow);
}

.investors-2026 h2,
.investors-2026 h3,
.investors-2026 h4,
.investors-2026 p {
  color: #ffffff;
}

.investors-2026 h3 {
  font-size: clamp(2rem, 3.6vw, 3.35rem);
  line-height: 1.06;
}

.investors-2026 p {
  color: rgba(255, 255, 255, 0.82);
}

.investors-2026 .landing-investor-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 14px;
  gap: 14px;
}

.investors-2026 .landing-investor-points article {
  padding: 22px;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.16);
}

.investors-2026 .landing-investor-points h4 {
  opacity: 1;
}

.investors-2026 .landing-btn--secondary {
  color: #2447b8;
  background: #ffffff;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 16px;
  gap: 16px;
}

.final-2026 {
  margin-top: 28px;
  margin-bottom: 56px;
  padding: 44px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) auto;
  grid-gap: 32px;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--landing-line);
  border-radius: 28px;
  background: #eef4ff;
  box-shadow: var(--landing-shadow);
}

.landing-footer {
  padding: 28px 0 40px;
  background: transparent;
}

@media (max-width: 1050px) {
  .landing-header-2026 {
    grid-template-columns: 1fr auto;
  }

  .landing-2026 .landing-nav {
    display: none;
  }

  .hero-2026,
  .landing-2026 .landing-section-heading,
  .usecase-panel,
  .investors-2026,
  .landing-2026 .landing-section.investors-2026,
  .final-2026 {
    grid-template-columns: 1fr;
  }

  .hero-2026 {
    gap: 32px;
    padding-top: 42px;
  }

  .hero-copy-2026 h1 {
    max-width: 760px;
    font-size: clamp(2.7rem, 8vw, 4.2rem);
  }

  .hero-product-shell {
    height: 380px;
  }

  .tldr-strip,
  .bento-2026,
  .segment-grid-2026,
  .pricing-grid,
  .faq-grid,
  .investors-2026 .landing-investor-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .landing-2026 .landing-header,
  .landing-2026 .landing-section,
  .landing-2026 .tldr-strip,
  .landing-2026 .hero-2026,
  .landing-2026 .landing-final,
  .landing-2026 .landing-footer,
  .investors-2026,
  .landing-2026 .landing-section.investors-2026 {
    width: min(100% - 28px, var(--landing-container));
  }

  .landing-header-2026 {
    position: static;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 10px;
    border-radius: 18px;
  }

  .landing-2026 .landing-header-actions {
    grid-template-columns: 1fr 1fr;
  }

  .hero-2026 {
    padding: 34px 0 36px;
  }

  .hero-copy-2026 h1 {
    max-width: 100%;
    font-size: clamp(2.35rem, 11vw, 3.2rem);
    line-height: 1;
  }

  .hero-2026 .landing-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .landing-link-cta {
    justify-content: center;
  }

  .proof-strip-2026 {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-product-shell {
    height: auto;
  }

  .hero-product-grid,
  .tldr-strip,
  .bento-2026,
  .segment-grid-2026,
  .pricing-grid,
  .faq-grid,
  .investors-2026 .landing-investor-points {
    grid-template-columns: 1fr;
  }

  .hero-product-grid {
    height: auto;
  }

  .bento-card--accent {
    grid-column: span 1;
  }

  .pricing-card {
    min-height: 0;
  }

  .investors-2026,
  .landing-2026 .landing-section.investors-2026,
  .final-2026 {
    padding: 28px;
  }
}

/* Research-informed brand system: blue/teal/indigo core with amber energy accents. */
:root {
  --ot-ink: #0f172a;
  --ot-muted: #475569;
  --ot-soft: #f8fafc;
  --ot-border: #cbd5e1;
  --ot-blue: #1e40af;
  --ot-teal: #0f766e;
  --ot-sky: #0ea5e9;
  --ot-indigo: #4338ca;
  --ot-amber: #d97706;
  --ot-violet: #6d28d9;
}

body {
  background:
    linear-gradient(180deg, rgba(14, 165, 233, 0.08) 0%, rgba(248, 250, 252, 0) 340px),
    var(--ot-soft);
  color: var(--ot-ink);
}

.research-landing {
  background: #ffffff;
  color: var(--ot-ink);
}

.research-header {
  background: rgba(255, 255, 255, 0.94);
}

.landing-brand-mark,
.app-shell-logo::before {
  background:
    linear-gradient(135deg, rgba(30, 64, 175, 0.22), rgba(15, 118, 110, 0.18)),
    var(--ot-teal);
}

.landing-btn--primary,
.primary-button,
.mode-tab--active {
  background: var(--ot-blue);
  border-color: var(--ot-blue);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(30, 64, 175, 0.22);
}

.landing-btn--primary:hover,
.primary-button:hover {
  background: #18358f;
  box-shadow: 0 16px 34px rgba(30, 64, 175, 0.28);
}

.landing-btn--secondary,
.secondary-button {
  color: var(--ot-blue);
  border-color: rgba(30, 64, 175, 0.28);
  background: #ffffff;
}

.landing-btn--secondary:hover,
.secondary-button:hover {
  color: #18358f;
  background: #eef6ff;
  border-color: rgba(30, 64, 175, 0.45);
}

.research-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  grid-gap: clamp(2rem, 4vw, 4rem);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  min-height: calc(100vh - 110px);
  padding: clamp(2rem, 5vw, 5rem) clamp(1rem, 4vw, 4rem) clamp(2rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background:
    linear-gradient(90deg, rgba(248, 250, 252, 0) 0%, rgba(14, 165, 233, 0.06) 100%),
    #ffffff;
}

.research-hero-copy {
  max-width: 700px;
}

.age-selector {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  padding: 0.25rem;
  border-radius: 8px;
  background: var(--ot-soft);
  border: 1px solid rgba(15, 23, 42, 0.1);
  margin-bottom: 1.25rem;
}

.age-selector a {
  display: inline-flex;
  min-width: 72px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  color: var(--ot-blue);
  font-weight: 900;
  text-decoration: none;
}

.age-selector a:nth-child(2) {
  color: var(--ot-teal);
}

.age-selector a:nth-child(3) {
  color: var(--ot-indigo);
}

.age-selector a:hover {
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.research-hero h1 {
  margin: 0;
  color: var(--ot-ink);
  font-size: clamp(2.65rem, 5.3vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.research-hero p {
  margin: 1.2rem 0 0;
  max-width: 640px;
  color: var(--ot-muted);
  font-size: clamp(1.04rem, 1.35vw, 1.22rem);
  line-height: 1.65;
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.45rem;
}

.proof-strip span,
.trust-list span,
.mock-panel span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  color: #12395f;
  background: #eef6ff;
  border: 1px solid rgba(30, 64, 175, 0.12);
  font-weight: 800;
  font-size: 0.88rem;
}

.proof-strip span:nth-child(2),
.trust-list span:nth-child(2),
.mock-panel span:nth-child(2) {
  color: #115e59;
  background: #ecfdf5;
  border-color: rgba(15, 118, 110, 0.14);
}

.proof-strip span:nth-child(4),
.trust-list span:nth-child(4) {
  color: #7c2d12;
  background: #fff7ed;
  border-color: rgba(217, 119, 6, 0.18);
}

.research-hero-media {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: var(--ot-soft);
  box-shadow: 0 26px 80px rgba(15, 23, 42, 0.16);
}

.research-hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-screen-card {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  grid-gap: 0.35rem;
  gap: 0.35rem;
  padding: 0.9rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
}

.hero-screen-card strong {
  color: var(--ot-ink);
}

.hero-screen-card span {
  color: var(--ot-muted);
}

.hero-progress-bar {
  height: 8px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.hero-progress-bar span {
  display: block;
  width: 68%;
  height: 100%;
  background: linear-gradient(90deg, var(--ot-blue), var(--ot-teal), var(--ot-amber));
}

.segment-section,
.pricing-section,
.faq-section {
  background: var(--ot-soft);
}

.segment-grid,
.value-grid,
.pricing-grid,
.faq-grid,
.onboarding-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 1rem;
  gap: 1rem;
}

.segment-card,
.pricing-card,
.faq-grid article,
.onboarding-steps article,
.trust-section,
.product-mock {
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 16px 46px rgba(15, 23, 42, 0.06);
}

.segment-card,
.pricing-card,
.faq-grid article,
.onboarding-steps article {
  padding: clamp(1.2rem, 2.5vw, 1.6rem);
}

.segment-card span,
.onboarding-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 38px;
  border-radius: 8px;
  background: #eef6ff;
  color: var(--ot-blue);
  font-weight: 900;
}

.segment-card:nth-child(2) span {
  color: var(--ot-teal);
  background: #ecfdf5;
}

.segment-card:nth-child(3) span {
  color: var(--ot-indigo);
  background: #eef2ff;
}

.segment-card h3,
.pricing-card h3,
.faq-grid h3 {
  margin: 1rem 0 0;
  color: var(--ot-ink);
}

.segment-card p,
.pricing-card p,
.faq-grid p,
.onboarding-steps p {
  margin: 0.7rem 0 0;
  color: var(--ot-muted);
  line-height: 1.6;
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.value-grid .landing-step {
  padding: 1.4rem;
}

.value-grid .landing-step:first-child {
  border-top: 4px solid var(--ot-blue);
}

.value-grid .landing-step:nth-child(2) {
  border-top: 4px solid var(--ot-teal);
}

.value-grid .landing-step:nth-child(3) {
  border-top: 4px solid var(--ot-amber);
}

.product-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1fr);
  grid-gap: clamp(2rem, 5vw, 4rem);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.product-copy h2,
.trust-section h2 {
  margin: 0;
  color: var(--ot-ink);
  font-size: clamp(2rem, 3.5vw, 3.6rem);
  line-height: 1.05;
}

.product-copy p,
.trust-section p {
  margin: 1rem 0 1.5rem;
  color: var(--ot-muted);
  line-height: 1.7;
}

.product-mock {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 190px;
  min-height: 420px;
  overflow: hidden;
}

.mock-sidebar,
.mock-panel,
.mock-chat {
  padding: 1rem;
}

.mock-sidebar {
  display: grid;
  align-content: start;
  grid-gap: 0.8rem;
  gap: 0.8rem;
  background: #0f172a;
  color: #ffffff;
}

.mock-sidebar span {
  color: #cbd5e1;
}

.mock-chat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  background: #ffffff;
  border-right: 1px solid rgba(15, 23, 42, 0.08);
}

.mock-message {
  max-width: 82%;
  border-radius: 8px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  padding: 0.9rem 1rem;
  color: var(--ot-ink);
  background: var(--ot-soft);
}

.mock-message--student {
  margin-left: auto;
  color: #ffffff;
  background: var(--ot-teal);
}

.mock-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.65rem;
  background: #f8fafc;
}

.pricing-card strong {
  display: block;
  margin-top: 0.75rem;
  color: var(--ot-blue);
  font-size: clamp(2rem, 3vw, 3rem);
}

.pricing-card--featured {
  border-color: rgba(217, 119, 6, 0.45);
  box-shadow: 0 22px 58px rgba(217, 119, 6, 0.14);
}

.pricing-card--featured::before {
  content: 'Лучший выбор';
  display: inline-flex;
  border-radius: 8px;
  padding: 0.3rem 0.65rem;
  color: #7c2d12;
  background: #fff7ed;
  border: 1px solid rgba(217, 119, 6, 0.2);
  font-weight: 900;
}

.trust-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) 1fr;
  grid-gap: clamp(2rem, 5vw, 4rem);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  background: #0f172a;
  color: #ffffff;
}

.trust-section h2,
.trust-section p {
  color: #ffffff;
}

.trust-section p {
  color: #cbd5e1;
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-gap: 0.75rem;
  gap: 0.75rem;
}

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

.onboarding-steps article {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.landing-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  padding: 1.5rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--ot-muted);
  background: #ffffff;
}

.landing-footer a {
  color: var(--ot-ink);
  font-weight: 900;
  text-decoration: none;
}

.landing-investors {
  background: #eef6ff;
}

.landing-investors h2 {
  color: var(--ot-blue);
}

.landing-step span,
.progress-pill {
  background: #eef6ff;
  color: #12395f;
}

.landing-trust span::before,
.landing-audience-card li::before {
  background: var(--ot-amber);
}

.app-shell--lesson-workspace,
.app-shell-header {
  background: rgba(248, 250, 252, 0.92);
}

.app-shell-logo {
  color: var(--ot-ink);
}

.mode-tab:hover:not(:disabled) {
  color: var(--ot-blue);
  background: #eef6ff;
}

.badge {
  color: #12395f;
  background: #eef6ff;
  border-color: rgba(30, 64, 175, 0.16);
}

.student-card--active,
.lesson-item--active {
  border-color: var(--ot-blue);
  box-shadow: 0 16px 38px rgba(30, 64, 175, 0.16);
}

.student-card:hover,
.catalog-card:hover,
.lesson-item:hover {
  border-color: rgba(30, 64, 175, 0.34);
}

.student-card--new,
.catalog-card--new {
  color: #12395f;
  background: linear-gradient(180deg, #ffffff 0%, #eef6ff 100%);
  border-color: rgba(30, 64, 175, 0.22);
}

.student-card-plus {
  background: var(--ot-amber);
}

.chat-message.student {
  background: var(--ot-blue);
}

.typing-dot {
  background: var(--ot-amber);
}

.form-grid input:focus,
.form-grid textarea:focus,
.form-grid select:focus,
.chat-input textarea:focus,
.chat-input input:focus {
  border-color: rgba(30, 64, 175, 0.55);
  box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.mode-tab:focus-visible,
.student-card:focus-visible,
.catalog-card:focus-visible,
.lesson-item:focus-visible {
  outline-color: rgba(217, 119, 6, 0.35);
}

@media (max-width: 1050px) {
  .research-hero,
  .product-section,
  .trust-section {
    grid-template-columns: 1fr;
  }

  .research-hero {
    min-height: auto;
  }

  .product-mock {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .mock-panel {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .research-hero {
    padding-top: 1.5rem;
  }

  .research-hero h1 {
    font-size: 2.45rem;
  }

  .age-selector {
    display: grid;
    width: 100%;
  }

  .proof-strip span {
    width: 100%;
  }

  .segment-grid,
  .value-grid,
  .pricing-grid,
  .faq-grid,
  .onboarding-steps,
  .trust-list {
    grid-template-columns: 1fr;
  }

  .product-mock {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .mock-sidebar {
    display: flex;
    overflow-x: auto;
  }

  .mock-panel {
    flex-direction: column;
  }

  .hero-screen-card {
    position: static;
    margin: 0.75rem;
  }

  .landing-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .research-header .landing-header-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 0.65rem;
    gap: 0.65rem;
  }

  .research-header .landing-btn {
    width: auto;
  }
}

/* 2026 refresh: product-led, tactile, fast, and accessible. */
:root {
  --ot-2026-ink: #081827;
  --ot-2026-muted: #526173;
  --ot-2026-line: rgba(8, 24, 39, 0.12);
  --ot-2026-paper: #fbfcf8;
  --ot-2026-blue: #1e40af;
  --ot-2026-teal: #0f766e;
  --ot-2026-cyan: #0ea5e9;
  --ot-2026-indigo: #4338ca;
  --ot-2026-amber: #d97706;
  --ot-2026-shadow: 0 28px 90px rgba(8, 24, 39, 0.14);
}

body {
  background:
    radial-gradient(circle at 18% 8%, rgba(14, 165, 233, 0.12), transparent 28rem),
    radial-gradient(circle at 84% 0%, rgba(217, 119, 6, 0.1), transparent 26rem),
    linear-gradient(180deg, #fbfcf8 0%, #f6faf9 52%, #eef6ff 100%);
}

.landing-2026 {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(8, 24, 39, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 24, 39, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 13% 8%, rgba(14, 165, 233, 0.13), transparent 24rem),
    radial-gradient(circle at 82% 11%, rgba(217, 119, 6, 0.12), transparent 22rem),
    var(--ot-2026-paper);
  background-size: 44px 44px, 44px 44px, auto, auto, auto;
  color: var(--ot-2026-ink);
}

.landing-header-2026 {
  grid-template-columns: auto minmax(240px, 1fr) auto;
  max-width: 1180px;
  margin: 0.85rem auto 0;
  padding: 0.55rem 0.65rem 0.55rem 0.85rem;
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 16px 50px rgba(8, 24, 39, 0.08);
}

.landing-2026 .landing-brand {
  font-size: 1rem;
  letter-spacing: 0;
}

.landing-2026 .landing-brand-mark,
.app-shell-logo::before {
  border-radius: 10px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.24), transparent 42%),
    linear-gradient(135deg, var(--ot-2026-blue), var(--ot-2026-teal));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.38), 0 10px 24px rgba(30, 64, 175, 0.22);
}

.landing-2026 .landing-nav {
  gap: 0.35rem;
  justify-content: center;
}

.landing-2026 .landing-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.75rem;
  border-radius: 999px;
  color: #233548;
  font-size: 0.9rem;
}

.landing-2026 .landing-nav a:hover {
  background: rgba(30, 64, 175, 0.08);
  color: var(--ot-2026-blue);
}

.landing-2026 .landing-btn,
.primary-button,
.secondary-button {
  border-radius: 999px;
  min-height: 44px;
  letter-spacing: 0;
}

.landing-2026 .landing-btn--primary,
.primary-button {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent),
    linear-gradient(135deg, #1e40af, #0f766e);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 18px 44px rgba(30, 64, 175, 0.26);
}

.landing-2026 .landing-btn--secondary,
.secondary-button {
  color: var(--ot-2026-blue);
  border-color: rgba(30, 64, 175, 0.2);
  background: rgba(255, 255, 255, 0.86);
}

.landing-link-cta {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: var(--ot-2026-ink);
  font-weight: 900;
  text-decoration: none;
}

.landing-link-cta::after {
  content: '';
  width: 34px;
  height: 34px;
  margin-left: 0.65rem;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(217, 119, 6, 0.2), rgba(14, 165, 233, 0.14)),
    url("data:image/svg+xml,%3Csvg width='34' height='34' viewBox='0 0 34 34' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13 10L21 17L13 24' stroke='%23081827' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.hero-2026 {
  max-width: 1280px;
  margin: 0 auto;
  min-height: calc(100svh - 104px);
  padding: clamp(1.5rem, 3.2vw, 3.25rem) clamp(1rem, 3vw, 2rem) clamp(1.35rem, 2.6vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(500px, 1.1fr);
  grid-gap: clamp(1.5rem, 3vw, 3.25rem);
  gap: clamp(1.5rem, 3vw, 3.25rem);
  align-items: center;
}

.hero-copy-2026 h1 {
  margin: 0;
  max-width: 15ch;
  color: var(--ot-2026-ink);
  font-size: clamp(2.55rem, 4.05vw, 4.45rem);
  line-height: 0.96;
  font-weight: 920;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy-2026 p {
  margin: 1rem 0 0;
  max-width: 620px;
  color: var(--ot-2026-muted);
  font-size: clamp(1rem, 1.14vw, 1.14rem);
  line-height: 1.52;
}

.proof-strip-2026 {
  margin-top: 1rem;
}

.proof-strip-2026 span {
  min-height: 36px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(8, 24, 39, 0.1);
  color: #243548;
  box-shadow: 0 10px 28px rgba(8, 24, 39, 0.06);
}

.hero-product-shell {
  position: relative;
  min-height: 430px;
  border: 1px solid rgba(8, 24, 39, 0.12);
  border-radius: 30px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.72)),
    linear-gradient(135deg, rgba(14, 165, 233, 0.16), rgba(217, 119, 6, 0.12));
  box-shadow: var(--ot-2026-shadow);
}

.hero-product-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(8, 24, 39, 0.12) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 64%);
          mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 64%);
}

.hero-product-topbar {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto auto;
  grid-gap: 0.9rem;
  gap: 0.9rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(8, 24, 39, 0.1);
  background: rgba(255, 255, 255, 0.68);
  -webkit-backdrop-filter: blur(18px);
          backdrop-filter: blur(18px);
}

.hero-product-topbar span {
  width: 66px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ef4444 0 16px, #f59e0b 16px 32px, #22c55e 32px 48px);
}

.hero-product-topbar strong,
.hero-product-topbar small {
  color: var(--ot-2026-ink);
}

.hero-product-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr) 156px;
  grid-gap: 0.8rem;
  gap: 0.8rem;
  padding: 0.8rem;
  min-height: 370px;
}

.hero-product-rail,
.hero-chat-demo,
.hero-insight-panel {
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 52px rgba(8, 24, 39, 0.08);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
}

.hero-product-rail {
  display: grid;
  align-content: start;
  grid-gap: 0.45rem;
  gap: 0.45rem;
  padding: 0.65rem;
}

.hero-product-rail span {
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  border-radius: 14px;
  color: #405064;
  font-weight: 850;
  font-size: 0.84rem;
}

.hero-product-rail span.is-active {
  color: #ffffff;
  background: var(--ot-2026-ink);
}

.hero-chat-demo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem;
}

.hero-chat-demo article {
  max-width: 88%;
  padding: 0.82rem;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid rgba(8, 24, 39, 0.1);
  box-shadow: 0 14px 34px rgba(8, 24, 39, 0.08);
}

.hero-chat-demo article.student {
  margin-left: auto;
  color: #ffffff;
  background: linear-gradient(135deg, var(--ot-2026-blue), var(--ot-2026-indigo));
}

.hero-chat-demo p {
  margin: 0.28rem 0 0;
  line-height: 1.38;
}

.hero-insight-panel {
  padding: 0.85rem;
  display: grid;
  align-content: center;
  grid-gap: 0.8rem;
  gap: 0.8rem;
}

.hero-insight-panel span {
  color: var(--ot-2026-muted);
  font-weight: 800;
}

.hero-insight-panel strong {
  display: block;
  color: var(--ot-2026-ink);
  font-size: clamp(2.15rem, 3.2vw, 2.75rem);
  line-height: 1;
}

.hero-ring {
  width: clamp(84px, 8vw, 104px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(var(--ot-2026-teal) 0 74%, #dbe7ee 74% 100%);
  position: relative;
}

.hero-ring::after {
  content: '';
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  background: #ffffff;
}

.tldr-strip {
  max-width: 1180px;
  margin: -0.25rem auto 0;
  padding: 0 clamp(1rem, 3vw, 2rem) 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-gap: 0.85rem;
  gap: 0.85rem;
}

.tldr-card {
  min-height: 120px;
  padding: 1rem;
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 18px 54px rgba(8, 24, 39, 0.07);
}

.tldr-card span {
  color: var(--ot-2026-muted);
  font-size: 0.84rem;
  font-weight: 850;
}

.tldr-card strong {
  display: block;
  margin-top: 0.5rem;
  color: var(--ot-2026-ink);
  font-size: 1.28rem;
  line-height: 1.08;
}

.tldr-card--blue { background: linear-gradient(160deg, rgba(30, 64, 175, 0.13), rgba(255, 255, 255, 0.78)); }
.tldr-card--teal { background: linear-gradient(160deg, rgba(15, 118, 110, 0.14), rgba(255, 255, 255, 0.78)); }
.tldr-card--amber { background: linear-gradient(160deg, rgba(217, 119, 6, 0.14), rgba(255, 255, 255, 0.78)); }
.tldr-card--indigo { background: linear-gradient(160deg, rgba(67, 56, 202, 0.13), rgba(255, 255, 255, 0.78)); }

.landing-2026 .landing-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(4rem, 7vw, 7rem) clamp(1rem, 3vw, 2rem);
}

.landing-2026 .landing-section-heading {
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.52fr);
  align-items: start;
}

.landing-2026 .landing-section-heading h2,
.usecase-panel h2,
.final-2026 h2 {
  font-size: clamp(2.25rem, 4.7vw, 5.25rem);
  line-height: 0.94;
  font-weight: 920;
}

.landing-2026 .landing-section-heading p,
.usecase-panel p,
.final-2026 p {
  color: var(--ot-2026-muted);
}

.bento-2026 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(250px, auto);
  grid-gap: 1rem;
  gap: 1rem;
}

.bento-card {
  padding: clamp(1rem, 2vw, 1.45rem);
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 54px rgba(8, 24, 39, 0.07);
  overflow: hidden;
}

.bento-card--large {
  grid-column: span 2;
  grid-row: span 2;
  background: #081827;
  color: #ffffff;
}

.bento-card--accent {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(217, 119, 6, 0.16), rgba(14, 165, 233, 0.14)),
    rgba(255, 255, 255, 0.82);
}

.bento-card h3 {
  margin: 1rem 0 0;
  color: inherit;
  font-size: clamp(1.25rem, 2vw, 1.9rem);
  line-height: 1.04;
}

.bento-card p {
  margin: 0.75rem 0 0;
  color: color-mix(in srgb, currentColor 68%, transparent);
  line-height: 1.58;
}

.product-story-2026 {
  padding-top: clamp(2rem, 3vw, 3rem) !important;
  padding-bottom: clamp(2rem, 3vw, 3.25rem) !important;
}

.product-story-2026 .landing-section-heading {
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.55fr);
  gap: clamp(1rem, 3vw, 3rem);
  margin-bottom: clamp(1rem, 2vw, 1.35rem);
}

.product-story-2026 .landing-section-heading h2 {
  max-width: 21ch;
  font-size: clamp(2rem, 2.7vw, 3.1rem);
  line-height: 1;
  text-wrap: balance;
}

.product-story-2026 .landing-section-heading p {
  max-width: 34rem;
  font-size: clamp(0.95rem, 1vw, 1.05rem);
  line-height: 1.5;
}

.product-story-2026 .bento-2026 {
  grid-auto-rows: minmax(135px, auto);
  gap: 0.75rem;
}

.product-story-2026 .bento-card {
  padding: clamp(0.8rem, 1.25vw, 1rem);
  border-radius: 22px;
}

.product-story-2026 .bento-card--large {
  grid-row: span 1;
}

.product-story-2026 .bento-card h3 {
  margin-top: 0.7rem;
  font-size: clamp(1.08rem, 1.35vw, 1.35rem);
  line-height: 1.08;
}

.product-story-2026 .bento-card--large h3 {
  font-size: clamp(1.35rem, 1.65vw, 1.7rem);
}

.product-story-2026 .bento-card p {
  margin-top: 0.55rem;
  font-size: clamp(0.92rem, 1vw, 1rem);
  line-height: 1.42;
}

.product-story-2026 .bento-metric {
  min-height: 34px;
  padding-inline: 0.65rem;
}

.product-story-2026 .mini-dashboard {
  padding: 0.7rem;
  border-radius: 18px;
}

.product-story-2026 .mini-timeline {
  margin-top: 0.65rem;
  gap: 0.38rem;
}

.product-story-2026 .mini-timeline div {
  gap: 0.45rem;
}

.product-story-2026 .mini-timeline p {
  font-size: 0.95rem;
}

.bento-metric {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 0.75rem;
  border-radius: 999px;
  background: rgba(30, 64, 175, 0.1);
  color: var(--ot-2026-blue);
  font-weight: 920;
}

.mini-dashboard {
  border-radius: 24px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.mini-dashboard-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #ffffff;
}

.mini-dashboard-header span {
  color: #fde68a;
  font-weight: 900;
}

.mini-timeline {
  margin-top: 1.2rem;
  display: grid;
  grid-gap: 0.75rem;
  gap: 0.75rem;
}

.mini-timeline div {
  display: grid;
  grid-template-columns: 16px 1fr;
  grid-gap: 0.7rem;
  gap: 0.7rem;
  align-items: center;
}

.mini-timeline span {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.mini-timeline .done span {
  background: #22c55e;
  border-color: #22c55e;
}

.mini-timeline p {
  margin: 0;
  color: #dbeafe;
}

.segment-section-2026,
.pricing-section-2026,
.faq-section-2026 {
  background: transparent;
}

.segment-grid-2026 .segment-card,
.pricing-card,
.faq-grid article,
.landing-investor-points article {
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(8, 24, 39, 0.1);
  box-shadow: 0 18px 54px rgba(8, 24, 39, 0.07);
}

.segment-grid-2026 .segment-card {
  min-height: 240px;
}

.usecase-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  grid-gap: clamp(1.5rem, 4vw, 4rem);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 34px;
  background:
    radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.14), transparent 22rem),
    #ffffff;
  box-shadow: var(--ot-2026-shadow);
}

.usecase-panel > div {
  min-width: 0;
}

.usecase-panel h2 {
  max-width: 10.5ch;
  font-size: clamp(2.35rem, 4.05vw, 4.35rem);
  line-height: 1.02;
  overflow-wrap: anywhere;
  text-wrap: balance;
  -webkit-hyphens: auto;
          hyphens: auto;
}

.usecase-tabs {
  display: grid;
  grid-gap: 0.75rem;
  gap: 0.75rem;
}

.usecase-tabs article {
  padding: 1rem;
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 22px;
  background: rgba(248, 250, 252, 0.8);
}

.usecase-tabs article.is-active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--ot-2026-blue), var(--ot-2026-teal));
}

.usecase-tabs h3 {
  margin: 0;
}

.usecase-tabs p {
  margin: 0.45rem 0 0;
  color: currentColor;
  opacity: 0.78;
}

.pricing-card--featured {
  position: relative;
  transform: translateY(-12px);
  border-color: rgba(217, 119, 6, 0.42);
  background:
    linear-gradient(160deg, rgba(217, 119, 6, 0.14), rgba(255, 255, 255, 0.78));
}

.pricing-card--featured::before {
  border-radius: 999px;
}

.investors-2026 {
  max-width: none !important;
  margin: 0 !important;
  background:
    linear-gradient(135deg, rgba(8, 24, 39, 0.96), rgba(16, 47, 75, 0.95)),
    #081827;
  color: #ffffff;
}

.investors-2026 h2,
.investors-2026 h3,
.investors-2026 p {
  color: #ffffff;
}

.investors-2026 .landing-investor-points article {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.final-2026 {
  max-width: 1180px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(14, 165, 233, 0.18), rgba(217, 119, 6, 0.16)),
    rgba(255, 255, 255, 0.78);
  box-shadow: var(--ot-2026-shadow);
}

.landing-footer {
  display: grid;
  grid-gap: 0.85rem;
  gap: 0.85rem;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
}

.landing-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
}

.landing-footer-requisites {
  margin: 0;
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.45;
}

.app-shell {
  max-width: 1280px;
  padding: clamp(0.85rem, 2vw, 1.35rem);
}

.app-shell::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(8, 24, 39, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 24, 39, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 12% 0%, rgba(14, 165, 233, 0.16), transparent 24rem),
    radial-gradient(circle at 88% 14%, rgba(217, 119, 6, 0.12), transparent 25rem),
    #f7faf8;
  background-size: 44px 44px, 44px 44px, auto, auto, auto;
}

.app-shell-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0.75rem;
  z-index: 12;
  padding: 0.55rem;
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 58px rgba(8, 24, 39, 0.08);
}

.app-shell-logo {
  font-size: 1.08rem;
  font-weight: 920;
}

.mode-tabs {
  border-radius: 999px;
  background: rgba(8, 24, 39, 0.06);
  border-color: rgba(8, 24, 39, 0.08);
  box-shadow: none;
}

.mode-tab {
  border-radius: 999px;
  min-height: 38px;
  font-size: 0.88rem;
}

.mode-tab--active {
  background: var(--ot-2026-ink);
  border-color: var(--ot-2026-ink);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(8, 24, 39, 0.18);
}

.app-command-center {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  grid-gap: 1rem;
  gap: 1rem;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 30px;
  background:
    radial-gradient(circle at 14% 20%, rgba(14, 165, 233, 0.18), transparent 20rem),
    rgba(255, 255, 255, 0.74);
  box-shadow: var(--ot-2026-shadow);
}

.app-command-label {
  color: var(--ot-2026-blue);
  font-weight: 920;
}

.app-command-center h1 {
  margin: 0.35rem 0 0;
  max-width: 760px;
  color: var(--ot-2026-ink);
  font-size: clamp(2rem, 4vw, 4.35rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.app-command-center p {
  margin: 0.9rem 0 0;
  color: var(--ot-2026-muted);
  line-height: 1.55;
}

.app-command-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 0.7rem;
  gap: 0.7rem;
}

.app-command-stats article {
  display: grid;
  align-content: end;
  min-height: 140px;
  padding: 1rem;
  border: 1px solid rgba(8, 24, 39, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.76);
}

.app-command-stats span {
  color: var(--ot-2026-muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.app-command-stats strong {
  color: var(--ot-2026-ink);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.form-section,
.lesson-card,
.student-card,
.catalog-card,
.modal-card {
  border-radius: 26px;
  border-color: rgba(8, 24, 39, 0.1);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 54px rgba(8, 24, 39, 0.07);
}

.form-section h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.65rem);
  letter-spacing: 0;
}

.student-grid,
.catalog-grid {
  gap: 0.9rem;
}

.student-card,
.catalog-card,
.lesson-item {
  border-radius: 24px;
}

.student-card:hover,
.catalog-card:hover,
.lesson-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 60px rgba(8, 24, 39, 0.12);
}

.student-card--new,
.catalog-card--new {
  background:
    linear-gradient(135deg, rgba(14, 165, 233, 0.14), rgba(217, 119, 6, 0.12)),
    rgba(255, 255, 255, 0.82);
  border-style: solid;
}

.student-card-plus {
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ot-2026-amber), var(--ot-2026-teal));
}

.badge,
.progress-pill {
  border-radius: 999px;
  background: rgba(30, 64, 175, 0.08);
  color: var(--ot-2026-blue);
}

.lesson-layout {
  grid-template-columns: minmax(250px, 310px) minmax(0, 1fr);
}

.lesson-item--active,
.student-card--active {
  border-color: rgba(30, 64, 175, 0.48);
  box-shadow: 0 22px 60px rgba(30, 64, 175, 0.16);
}

.lesson-detail-content {
  gap: 1rem;
}

.chat-thread {
  border-radius: 24px;
  background:
    linear-gradient(rgba(8, 24, 39, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 24, 39, 0.035) 1px, transparent 1px),
    rgba(255, 255, 255, 0.74);
  background-size: 28px 28px;
}

.chat-message {
  border-radius: 22px;
}

.chat-message.student {
  background: linear-gradient(135deg, var(--ot-2026-blue), var(--ot-2026-indigo));
}

.chat-message.student,
.chat-message.student header,
.chat-message.student strong,
.chat-message.student small,
.chat-message.student .markdown-body,
.chat-message.student .markdown-body p,
.chat-message.student .markdown-body li,
.chat-message.student .markdown-body h1,
.chat-message.student .markdown-body h2,
.chat-message.student .markdown-body h3,
.chat-message.student .markdown-body h4,
.chat-message.student .markdown-body h5,
.chat-message.student .markdown-body h6 {
  color: #ffffff;
}

.chat-message.student .markdown-body code {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.chat-message.student .markdown-body a {
  color: #e0f2fe;
}

.chat-input textarea,
.chat-input input,
.form-grid input,
.form-grid textarea,
.form-grid select {
  border-radius: 18px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-product-shell {
    animation: productFloat 7s ease-in-out infinite;
  }

  .hero-chat-demo article,
  .tldr-card,
  .bento-card,
  .app-command-stats article {
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  }

  .tldr-card:hover,
  .bento-card:hover,
  .app-command-stats article:hover {
    transform: translateY(-4px);
    box-shadow: 0 26px 72px rgba(8, 24, 39, 0.11);
  }
}

@keyframes productFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-8px) rotate(-0.25deg);
  }
}

@media (max-width: 1050px) {
  .landing-header-2026 {
    margin: 0.75rem 0.75rem 0;
  }

  .hero-2026,
  .usecase-panel,
  .app-command-center {
    grid-template-columns: 1fr;
  }

  .hero-2026 {
    min-height: auto;
  }

  .hero-product-grid {
    grid-template-columns: 118px minmax(0, 1fr) 132px;
    min-height: 330px;
  }

  .hero-insight-panel {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .tldr-strip,
  .bento-2026 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .usecase-panel h2 {
    max-width: 12ch;
    font-size: clamp(2.4rem, 8vw, 4.2rem);
  }

  .product-story-2026 .landing-section-heading {
    grid-template-columns: 1fr;
  }

  .product-story-2026 .landing-section-heading h2 {
    max-width: 16ch;
    font-size: clamp(2.2rem, 6.4vw, 3.6rem);
  }
}

@media (min-width: 1051px) and (max-height: 900px) {
  .hero-2026 {
    min-height: auto;
    padding-top: 1.5rem;
    padding-bottom: 1.4rem;
    align-items: start;
  }

  .hero-copy-2026 h1 {
    max-width: 13ch;
    font-size: clamp(2.4rem, 3.45vw, 3.75rem);
    line-height: 0.98;
  }

  .hero-copy-2026 p {
    margin-top: 0.85rem;
    font-size: 1rem;
    line-height: 1.45;
  }

  .hero-2026 .landing-hero-actions {
    margin-top: 1rem;
  }

  .hero-product-shell {
    min-height: 390px;
  }

  .hero-product-grid {
    min-height: 330px;
  }

  .hero-chat-demo article:nth-of-type(3) {
    display: none;
  }

  .product-story-2026 {
    padding-top: 3rem !important;
    padding-bottom: 3.25rem !important;
  }

  .product-story-2026 .landing-section-heading h2 {
    max-width: 19ch;
    font-size: clamp(2.05rem, 3.05vw, 3.15rem);
    line-height: 1;
  }

  .product-story-2026 .bento-2026 {
    grid-auto-rows: minmax(150px, auto);
  }

  .product-story-2026 .bento-card p {
    line-height: 1.48;
  }
}

@media (max-width: 720px) {
  .landing-header-2026 {
    position: static;
    display: grid;
    grid-template-columns: 1fr;
    border-radius: 0;
    margin: 0;
  }

  .landing-2026 .landing-header-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero-2026 {
    min-height: auto;
    padding-top: 1.4rem;
  }

  .hero-copy-2026 h1 {
    max-width: 11ch;
    font-size: clamp(2.35rem, 12vw, 3.45rem);
    line-height: 0.98;
  }

  .hero-copy-2026 p {
    margin-top: 0.85rem;
    font-size: 1rem;
    line-height: 1.45;
  }

  .hero-product-shell {
    min-height: auto;
    border-radius: 24px;
  }

  .hero-product-grid,
  .tldr-strip,
  .bento-2026,
  .segment-grid-2026,
  .pricing-grid,
  .faq-grid,
  .landing-investors,
  .app-command-stats {
    grid-template-columns: 1fr;
  }

  .hero-product-rail {
    display: flex;
    overflow-x: auto;
  }

  .hero-product-rail span {
    flex: 0 0 auto;
  }

  .hero-insight-panel {
    display: none;
  }

  .bento-card--large,
  .bento-card--accent {
    grid-column: span 1;
    grid-row: span 1;
  }

  .pricing-card--featured {
    transform: none;
  }

  .app-shell-header {
    top: 0;
    border-radius: 18px;
  }

  .app-command-center h1 {
    font-size: clamp(2rem, 11vw, 3.2rem);
  }

  .app-command-stats article {
    min-height: 108px;
  }
}

/* Final landing overrides: keep this after legacy 2026 rules. */
.landing-2026 .landing-btn--primary {
  background: #2447b8 !important;
  border-color: #2447b8 !important;
  box-shadow: 0 16px 34px rgba(36, 71, 184, 0.22) !important;
}

.landing-2026 .landing-btn--secondary {
  color: #2447b8 !important;
  background: #ffffff !important;
  border-color: rgba(36, 71, 184, 0.24) !important;
}

.landing-2026 .landing-btn,
.landing-2026 .landing-link-cta {
  text-decoration: none !important;
}

.hero-product-topbar span {
  background: linear-gradient(90deg, #2447b8 0 22px, #7c8dcc 22px 44px, #d7deef 44px 66px) !important;
}

.hero-chat-demo article.student {
  background: #2447b8 !important;
}

.hero-ring {
  background: conic-gradient(#2447b8 0 74%, #dbe3f1 74% 100%) !important;
}

.proof-strip-2026 span,
.proof-strip-2026 span:nth-child(4) {
  color: #27364a !important;
  border-color: rgba(11, 23, 40, 0.11) !important;
}

.proof-strip-2026 {
  display: grid !important;
  grid-template-columns: 1fr !important;
  grid-gap: 8px !important;
  gap: 8px !important;
  max-width: 540px !important;
  margin-top: 22px !important;
}

.proof-strip-2026 span {
  min-height: auto !important;
  padding: 0 0 0 22px !important;
  position: relative !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #445268 !important;
  font-size: 0.98rem !important;
  font-weight: 750 !important;
  line-height: 1.35 !important;
}

.proof-strip-2026 span::before {
  content: '' !important;
  position: absolute !important;
  left: 0 !important;
  top: 0.52em !important;
  width: 8px !important;
  height: 8px !important;
  border-radius: 999px !important;
  background: #2447b8 !important;
}

.tldr-card--blue,
.tldr-card--teal,
.tldr-card--amber,
.tldr-card--indigo,
.pricing-card--featured,
.bento-card--accent,
.final-2026 {
  background: #eef4ff !important;
}

.pricing-card--featured {
  transform: none !important;
  border-color: rgba(36, 71, 184, 0.32) !important;
}

.pricing-card--featured::before {
  color: #2447b8 !important;
  border-color: rgba(36, 71, 184, 0.18) !important;
  background: #ffffff !important;
}

.pricing-card strong,
.bento-metric {
  color: #2447b8 !important;
}

.product-story-2026 .bento-card--accent,
.bento-card--accent {
  grid-column: 1 / -1 !important;
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  grid-gap: 20px 28px !important;
  gap: 20px 28px !important;
  align-items: center !important;
  min-height: 170px !important;
}

.product-story-2026 .bento-card--accent h3,
.bento-card--accent h3 {
  margin-top: 0 !important;
  max-width: 720px !important;
}

.product-story-2026 .bento-card--accent p,
.bento-card--accent p {
  max-width: 780px !important;
}

.product-story-2026 .bento-card--accent .landing-btn,
.bento-card--accent .landing-btn {
  grid-column: 2 !important;
  grid-row: 1 / span 2 !important;
  justify-self: end !important;
}

.investors-2026 h2,
.investors-2026 h3,
.investors-2026 h4,
.investors-2026 p {
  color: #ffffff !important;
}

.investors-2026 .landing-investor-points article {
  background: rgba(255, 255, 255, 0.09) !important;
  border-color: rgba(255, 255, 255, 0.16) !important;
}

@media (min-width: 721px) and (max-width: 1050px) {
  .hero-2026 {
    padding-top: 34px !important;
    padding-bottom: 34px !important;
  }

  .hero-copy-2026 h1 {
    max-width: 720px !important;
    font-size: clamp(2.65rem, 6.2vw, 3.65rem) !important;
  }

  .hero-copy-2026 p {
    max-width: 720px !important;
  }

  .hero-product-shell {
    min-height: 0 !important;
    height: 320px !important;
  }

  .hero-product-grid {
    height: calc(100% - 50px) !important;
    grid-template-columns: 112px minmax(0, 1fr) 120px !important;
  }

  .hero-chat-demo article:nth-of-type(3) {
    display: none !important;
  }

  .hero-insight-panel p {
    display: none;
  }

  .tldr-strip {
    padding-bottom: 40px !important;
  }
}

@media (max-width: 720px) {
  .product-story-2026 .bento-card--accent,
  .bento-card--accent {
    grid-template-columns: 1fr !important;
  }

  .product-story-2026 .bento-card--accent .landing-btn,
  .bento-card--accent .landing-btn {
    grid-column: auto !important;
    grid-row: auto !important;
    justify-self: start !important;
  }
}

@media (min-width: 900px) {
  .proof-strip-2026 {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    max-width: 780px !important;
  }
}

/*!***********************************************************************************************************************************************************************************************************************************************************************************!*\
  !*** css ./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[11].oneOf[12].use[2]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[11].oneOf[12].use[3]!./node_modules/katex/dist/katex.min.css ***!
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