:root {
  --public-ink: #172436;
  --public-muted: #607086;
  --public-primary: #087d9c;
  --public-primary-strong: #055f78;
  --public-sky: #e9f6fa;
  --public-green: #21865f;
  --public-yellow: #f2bd45;
  --public-surface: #ffffff;
  --public-background: #f4f7f9;
  --public-line: #d8e2e8;
  --public-shadow: 0 18px 48px rgba(20, 48, 66, 0.12);
}

body.public-site {
  background: var(--public-background);
  color: var(--public-ink);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
}

body.public-site h1,
body.public-site h2,
body.public-site h3,
body.public-site h4,
body.public-site h5,
body.public-site h6 {
  color: var(--public-ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  letter-spacing: 0;
}

body.public-site > .container-fluid.bg-light.position-relative.shadow {
  border-bottom: 1px solid rgba(216, 226, 232, 0.9);
  box-shadow: 0 8px 28px rgba(20, 48, 66, 0.08) !important;
}

body.public-site .navbar {
  min-height: 68px;
}

body.public-site .navbar-brand {
  color: var(--public-ink) !important;
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-weight: 900 !important;
}

body.public-site .navbar-brand .text-primary {
  color: var(--public-primary) !important;
}

.public-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

body.public-site .btn {
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
  letter-spacing: 0;
}

body.public-site .btn-primary {
  border-color: var(--public-primary);
  background: var(--public-primary);
}

body.public-site .btn-primary:hover,
body.public-site .btn-primary:focus {
  border-color: var(--public-primary-strong);
  background: var(--public-primary-strong);
}

body.public-site .btn-outline-primary {
  border-color: var(--public-primary);
  color: var(--public-primary);
}

body.public-site .btn-outline-primary:hover,
body.public-site .btn-outline-primary:focus {
  background: var(--public-primary);
  color: #fff;
}

body.public-site a:focus-visible,
body.public-site button:focus-visible,
body.public-site input:focus-visible,
body.public-site select:focus-visible,
body.public-site textarea:focus-visible {
  outline: 3px solid rgba(8, 125, 156, 0.28);
  outline-offset: 2px;
}

.public-kicker {
  margin: 0 0 12px;
  color: var(--public-primary);
  font-size: 13px;
  font-weight: 900;
}

.public-auth-page {
  min-height: calc(100vh - 68px);
  padding: 48px 18px 72px;
  background:
    linear-gradient(120deg, rgba(233, 246, 250, 0.9), rgba(244, 247, 249, 0.42) 52%, rgba(237, 247, 241, 0.82)),
    repeating-linear-gradient(90deg, rgba(8, 125, 156, 0.035) 0, rgba(8, 125, 156, 0.035) 1px, transparent 1px, transparent 36px);
}

.public-auth-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.public-auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(400px, 0.72fr);
  gap: 24px;
  align-items: stretch;
}

.public-auth-story,
.public-auth-card {
  min-width: 0;
  border: 1px solid var(--public-line);
  border-radius: 8px;
  box-shadow: var(--public-shadow);
}

.public-auth-story {
  position: relative;
  display: flex;
  align-self: start;
  min-height: 620px;
  overflow: hidden;
  padding: 40px;
  background-color: #163e42;
  color: #fff;
}

.public-auth-story-login {
  background:
    linear-gradient(180deg, rgba(5, 36, 45, 0.08) 0%, rgba(5, 44, 48, 0.24) 48%, rgba(5, 40, 44, 0.86) 100%),
    url("../img/public-site/login-collaboration.webp") center center / cover no-repeat;
}

.public-auth-story-register {
  background:
    linear-gradient(180deg, rgba(5, 36, 45, 0.06) 0%, rgba(5, 44, 48, 0.22) 48%, rgba(5, 40, 44, 0.86) 100%),
    url("../img/public-site/register-learning-path.webp") center center / cover no-repeat;
}

.public-auth-story-content {
  position: relative;
  z-index: 1;
  align-self: flex-end;
  max-width: 590px;
}

.public-auth-story .public-kicker {
  color: #aee9f2;
}

body.public-site .public-auth-story h1 {
  margin-bottom: 16px;
  color: #fff;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.16;
}

.public-auth-story p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.8;
}

.public-auth-story .ai-login-triad-visual,
.public-auth-story .ai-login-feature-grid {
  display: none;
}

.public-auth-card {
  align-self: center;
  padding: 32px;
  background: var(--public-surface);
}

.public-auth-card h2 {
  margin-bottom: 8px;
  font-size: 30px;
  font-weight: 800;
}

.public-auth-subtitle {
  margin-bottom: 24px;
  color: var(--public-muted);
  font-size: 15px;
  line-height: 1.7;
}

.public-auth-card label {
  margin-bottom: 8px;
  color: var(--public-ink);
  font-size: 14px;
  font-weight: 800;
}

.public-auth-card .form-control {
  min-height: 50px;
  border: 1px solid var(--public-line);
  border-radius: 8px;
  color: var(--public-ink);
  font-size: 16px;
  box-shadow: none;
}

.public-auth-card textarea.form-control {
  min-height: 112px;
}

.public-auth-card .form-control:focus {
  border-color: var(--public-primary);
  box-shadow: 0 0 0 4px rgba(8, 125, 156, 0.11);
}

.public-segmented {
  display: grid;
  gap: 4px;
  margin-bottom: 22px;
  padding: 4px;
  border: 1px solid var(--public-line);
  border-radius: 8px;
  background: #edf3f6;
}

.public-segmented.is-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.public-segmented.is-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.public-segmented button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--public-muted);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.public-segmented button.active,
.public-segmented button[aria-checked="true"] {
  background: #fff;
  color: var(--public-primary);
  box-shadow: 0 3px 12px rgba(20, 48, 66, 0.1);
}

.public-form-note {
  color: var(--public-muted);
  font-size: 13px;
  line-height: 1.6;
}

.public-form-divider {
  height: 1px;
  margin: 22px 0;
  background: var(--public-line);
}

.public-role-panel {
  display: none;
}

.public-role-panel.active {
  display: block;
}

.public-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.public-code-row .btn {
  min-width: 126px;
}

.public-code-status {
  min-height: 22px;
  margin-top: 6px;
}

.public-callout {
  margin-bottom: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--public-primary);
  border-radius: 0 8px 8px 0;
  background: var(--public-sky);
  color: #355467;
  font-size: 13px;
  line-height: 1.65;
}

.public-callout.is-teacher {
  border-color: var(--public-yellow);
  background: #fff8e8;
}

.public-password-meter {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
  margin-top: 8px;
}

.public-password-meter span {
  height: 4px;
  border-radius: 2px;
  background: #dce5ea;
}

.public-password-meter[data-strength="1"] span:nth-child(1) {
  background: #cf4f55;
}

.public-password-meter[data-strength="2"] span:nth-child(-n+2) {
  background: #d69b2d;
}

.public-password-meter[data-strength="3"] span {
  background: var(--public-green);
}

.public-auth-footer {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--public-line);
  color: var(--public-muted);
  font-size: 14px;
  text-align: center;
}

.public-auth-footer a {
  color: var(--public-primary);
  font-weight: 800;
}

.public-login-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 8px 0 22px;
}

.public-login-options label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: var(--public-muted);
  cursor: pointer;
}

.public-login-options a {
  color: var(--public-primary);
  font-size: 14px;
  font-weight: 800;
}

.public-reset-panel {
  padding: 18px;
  border: 1px solid var(--public-line);
  border-radius: 8px;
  background: var(--public-sky);
}

.public-reset-panel h3 {
  margin-bottom: 8px;
  font-size: 21px;
}

.public-password-field {
  position: relative;
}

.public-password-field .form-control {
  padding-right: 48px;
}

.public-password-toggle {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--public-muted);
  cursor: pointer;
}

.public-home-hero {
  position: relative;
  display: flex;
  min-height: min(720px, calc(100vh - 68px));
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 36, 42, 0.58) 0%, rgba(4, 42, 45, 0.46) 38%, rgba(4, 47, 47, 0.12) 68%, rgba(4, 47, 47, 0.02) 100%),
    url("../img/public-site/future-campus-hero.webp") center center / cover no-repeat;
  color: #fff;
}

.public-home-hero-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.public-home-hero-copy {
  max-width: 620px;
}

.public-home-hero .public-kicker {
  color: #9fe7ef;
}

body.public-site .public-home-hero h1 {
  margin-bottom: 20px;
  color: #fff;
  font-size: clamp(46px, 7vw, 82px);
  font-weight: 800;
  line-height: 1.05;
}

.public-home-lead {
  max-width: 590px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.8;
}

.public-home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.public-home-actions .btn {
  min-width: 132px;
  min-height: 50px;
  padding: 12px 24px;
}

.public-home-actions .btn-light {
  color: var(--public-primary-strong);
}

.public-word-gallery {
  --gallery-card-height: 208px;
  overflow: hidden;
  padding: 56px 0 64px;
  background:
    linear-gradient(145deg, rgba(233, 246, 250, 0.74), rgba(255, 255, 255, 0.96) 46%, rgba(237, 247, 241, 0.82)),
    repeating-linear-gradient(90deg, transparent 0, transparent 47px, rgba(8, 125, 156, 0.045) 48px);
}

.public-word-gallery-heading {
  display: flex;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto 30px;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.public-word-gallery-heading h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
}

.public-word-gallery-tools {
  flex: 0 0 auto;
  text-align: right;
}

.public-word-gallery-tools p {
  margin: 0 0 8px;
  color: var(--public-muted);
  font-size: 13px;
}

.public-word-gallery-tools a {
  color: var(--public-primary-strong);
  font-weight: 900;
}

.public-word-gallery-tools a i {
  margin-left: 6px;
}

.public-word-gallery-stage {
  display: grid;
  gap: 12px;
  padding: 0 0 8px;
}

.public-word-gallery-viewport {
  position: relative;
}

.public-word-gallery-fade {
  display: none;
}

.public-word-track {
  display: flex;
  min-height: var(--gallery-card-height);
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0 18px;
  cursor: grab;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
  touch-action: pan-x;
}

.public-word-track:nth-child(2) {
  padding-left: 92px;
}

.public-word-track:nth-child(3) {
  padding-left: 44px;
}

.public-word-track::-webkit-scrollbar {
  display: none;
}

.public-word-track.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
  user-select: none;
}

.public-word-track.is-auto-scrolling {
  scroll-snap-type: none;
}

.public-word-card {
  position: relative;
  flex: 0 0 284px;
  height: var(--gallery-card-height);
  scroll-snap-align: start;
  perspective: 1200px;
}

.public-word-card.is-wide {
  flex-basis: 342px;
}

.public-word-card.is-narrow {
  flex-basis: 232px;
}

.public-word-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 480ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.public-word-card.is-flipped .public-word-card-inner {
  transform: rotateY(180deg);
}

.public-word-card-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(23, 36, 54, 0.14);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(20, 48, 66, 0.13);
  backface-visibility: hidden;
}

.public-word-card-open {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: #edf3f6;
  cursor: pointer;
}

.public-word-card-open img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
}

.public-word-card:not(.is-expanded):hover .public-word-card-open img {
  transform: scale(1.025);
}

.public-word-card-back {
  display: flex;
  padding: 16px;
  flex-direction: column;
  transform: rotateY(180deg);
  background: #fff;
}

.public-word-card-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #edf3f6;
  color: var(--public-ink);
  cursor: pointer;
}

.public-word-meta {
  display: flex;
  min-height: 22px;
  align-items: center;
  gap: 6px;
  padding-right: 34px;
}

.public-word-meta span {
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--public-sky);
  color: var(--public-primary-strong);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.public-word-card-back h3 {
  overflow: hidden;
  margin: 5px 0 1px;
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  font-size: 23px;
  font-weight: 900;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.public-word-meaning {
  overflow: hidden;
  margin: 0 0 4px;
  color: var(--public-primary-strong);
  font-size: 13px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.public-word-definition {
  display: -webkit-box;
  overflow: hidden;
  margin: 0 0 6px;
  color: var(--public-muted);
  font-size: 11px;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.public-word-caption {
  overflow: hidden;
  min-height: 32px;
  margin-top: auto;
  color: #34495a;
  font-size: 11px;
  line-height: 1.45;
}

.public-word-caption span {
  border-radius: 2px;
  transition: background-color 140ms ease, color 140ms ease;
}

.public-word-caption span.is-current {
  background: #ffe69a;
  color: #513c00;
}

.public-word-play {
  display: inline-flex;
  width: max-content;
  min-height: 38px;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 6px 12px;
  border: 0;
  border-radius: 6px;
  background: var(--public-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.public-word-card.is-playing .public-word-play {
  background: var(--public-green);
}

body.public-word-modal-open {
  overflow: hidden;
}

.public-word-modal {
  position: fixed;
  z-index: 1080;
  inset: 0;
  display: grid;
  padding: 32px;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.public-word-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.public-word-modal-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgba(8, 19, 25, 0.72);
  cursor: default;
  backdrop-filter: blur(7px);
}

.public-word-modal-dialog {
  position: relative;
  width: min(760px, calc(100vw - 64px));
  height: min(760px, calc(100vh - 48px));
  transform: scale(0.94);
  transition: transform 260ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.public-word-modal.is-open .public-word-modal-dialog {
  transform: scale(1);
}

.public-word-modal-holder,
.public-word-card.is-expanded {
  width: 100%;
  height: 100%;
}

.public-word-card.is-expanded {
  flex: none;
}

.public-word-card.is-expanded .public-word-card-face {
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

.public-word-card.is-expanded .public-word-card-back {
  display: grid;
  overflow: hidden;
  padding: 0;
  grid-template-rows: minmax(0, 1fr) auto;
  background: #edf4f1;
  color: #173d43;
}

.public-word-card.is-expanded .public-word-card-close {
  top: 16px;
  right: 16px;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(23, 61, 67, 0.12);
  background: rgba(248, 251, 249, 0.94);
  color: #173d43;
}

.public-word-green-visual {
  display: flex;
  min-height: 0;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #edf4f1;
}

.public-word-green-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.public-word-green-copy {
  position: relative;
  overflow-y: auto;
  min-height: 230px;
  padding: 18px 82px 22px 28px;
  border-top: 1px solid #d9e6e1;
  background: #f8fbf9;
  font-family: "Trebuchet MS", "PingFang SC", sans-serif;
}

.public-word-green-wordline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

body.public-site .public-word-green-wordline h3 {
  max-width: 100%;
  margin: 0;
  overflow-wrap: anywhere;
  color: #173d43;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.public-word-green-level {
  padding: 4px 8px;
  border-radius: 999px;
  background: #dff1ed;
  color: #066a66;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.public-word-green-meaning,
.public-word-green-definition {
  margin: 0 0 8px;
  color: #60757a;
  font-size: 13px;
}

.public-word-green-definition {
  font-size: 12px;
}

.public-word-green-caption {
  max-width: 620px;
  margin: 0;
  color: #60757a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.6;
}

.public-word-green-caption span {
  border-radius: 3px;
  transition: background-color 120ms ease, color 120ms ease;
}

.public-word-green-caption span.is-current {
  background: #087d78;
  color: #fff;
}

.public-word-green-actions {
  position: absolute;
  right: 16px;
  bottom: 22px;
  text-align: center;
}

.public-word-green-play {
  display: flex;
  width: 52px;
  min-height: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  padding: 7px 3px;
  border: 3px solid #d9e6e1;
  border-radius: 50%;
  background: #f8fbf9;
  color: #173d43;
  cursor: pointer;
}

.public-word-green-play i {
  font-size: 17px;
}

.public-word-green-play span {
  font-size: 9px;
  font-weight: 800;
}

.public-word-card.is-playing .public-word-green-play {
  border-color: #087d78;
  background: #087d78;
  color: #fff;
}

.public-about-hero {
  padding: 86px 18px 72px;
  background:
    linear-gradient(120deg, rgba(233, 246, 250, 0.96), rgba(255, 255, 255, 0.92) 52%, rgba(237, 247, 241, 0.9)),
    repeating-linear-gradient(90deg, transparent 0, transparent 55px, rgba(8, 125, 156, 0.05) 56px);
}

.public-about-hero-inner,
.public-about-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.public-about-hero h1 {
  max-width: 900px;
  margin: 0 0 22px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.12;
}

.public-about-hero-inner > p:not(.public-kicker) {
  max-width: 780px;
  margin: 0;
  color: var(--public-muted);
  font-size: 19px;
  line-height: 1.8;
}

.public-about-anchor-nav {
  display: flex;
  margin-top: 38px;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.public-about-anchor-nav::-webkit-scrollbar {
  display: none;
}

.public-about-anchor-nav a {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--public-line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--public-ink);
  font-weight: 800;
}

.public-about-section {
  padding: 76px 18px;
  scroll-margin-top: 72px;
}

.public-about-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.public-about-heading h2,
.public-workflow-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.2;
}

.public-about-heading > p:not(.public-kicker) {
  margin: 0;
  color: var(--public-muted);
  font-size: 16px;
  line-height: 1.8;
}

.public-about-loop {
  background: #fff;
}

.public-loop-grid {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.public-loop-grid li {
  position: relative;
  min-height: 220px;
  padding: 26px 24px;
  border-top: 3px solid var(--public-primary);
  border-right: 1px solid var(--public-line);
  background: #f8fbfc;
}

.public-loop-grid li:nth-child(2) {
  border-top-color: var(--public-green);
}

.public-loop-grid li:nth-child(3) {
  border-top-color: var(--public-yellow);
}

.public-loop-grid li:nth-child(4) {
  border-right: 0;
  border-top-color: #cf5c4c;
}

.public-loop-grid span {
  display: block;
  margin-bottom: 30px;
  color: var(--public-primary);
  font-size: 13px;
  font-weight: 900;
}

.public-loop-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.public-loop-grid p {
  margin: 0;
  color: var(--public-muted);
  line-height: 1.7;
}

.public-about-workflow {
  background: #edf6f8;
}

.public-about-workflow.is-reversed {
  background: #f2f7f3;
}

.public-workflow-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1.28fr);
  gap: 52px;
}

.public-about-workflow.is-reversed .public-workflow-copy {
  order: 2;
}

.public-workflow-steps {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.public-workflow-steps li {
  display: grid;
  padding: 17px 0;
  border-top: 1px solid rgba(96, 112, 134, 0.22);
  grid-template-columns: 152px minmax(0, 1fr);
  gap: 18px;
}

.public-workflow-steps strong {
  color: var(--public-ink);
}

.public-workflow-steps span {
  color: var(--public-muted);
  line-height: 1.65;
}

.public-about-screenshot {
  min-width: 0;
  margin: 0;
}

.public-about-screenshot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--public-line);
  border-radius: 8px;
  object-fit: cover;
  object-position: top left;
  box-shadow: 0 22px 48px rgba(20, 48, 66, 0.16);
}

.public-about-screenshot figcaption {
  margin-top: 10px;
  color: var(--public-muted);
  font-size: 13px;
}

.public-ai-feedback {
  background: #fff;
}

.public-feedback-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.public-feedback-grid article {
  padding-top: 22px;
  border-top: 2px solid var(--public-line);
}

.public-feedback-grid i {
  margin-bottom: 20px;
  color: var(--public-primary);
  font-size: 25px;
}

.public-feedback-grid h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.public-feedback-grid p {
  margin: 0;
  color: var(--public-muted);
  line-height: 1.7;
}

.public-module-index {
  background: #f3f6f8;
}

.public-module-list {
  display: grid;
  margin: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.public-module-list div {
  display: grid;
  padding: 22px 0;
  border-top: 1px solid var(--public-line);
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 20px;
}

.public-module-list div:nth-child(odd) {
  padding-right: 28px;
}

.public-module-list div:nth-child(even) {
  padding-left: 28px;
  border-left: 1px solid var(--public-line);
}

.public-module-list dt {
  color: var(--public-ink);
  font-weight: 900;
}

.public-module-list dd {
  margin: 0;
  color: var(--public-muted);
  line-height: 1.65;
}

.public-about-cta {
  padding: 68px 18px;
  background: #073b4d;
  color: #fff;
}

.public-about-cta-inner {
  display: flex;
  width: min(1180px, 100%);
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
}

body.public-site .public-about-cta h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 40px;
}

.public-about-cta p:not(.public-kicker) {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.7;
}

.public-about-cta .public-kicker {
  color: #9fe7ef;
}

.public-home-proof {
  padding: 70px 18px;
  background: var(--public-surface);
}

.public-section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.public-section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.public-section-heading h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
}

.public-section-heading p {
  margin: 0;
  color: var(--public-muted);
  font-size: 16px;
  line-height: 1.8;
}

.public-role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.public-role-item {
  overflow: hidden;
  border: 1px solid var(--public-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(20, 48, 66, 0.09);
}

.public-role-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--public-line);
  background: #edf3f6;
}

.public-role-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

.public-role-body {
  padding: 24px;
}

.public-role-body h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.public-role-body p {
  margin: 0;
  color: var(--public-muted);
  line-height: 1.75;
}

.public-capabilities {
  padding: 70px 18px;
  background:
    linear-gradient(180deg, rgba(233, 246, 250, 0.7), rgba(244, 247, 249, 0.92)),
    repeating-linear-gradient(0deg, transparent 0, transparent 39px, rgba(8, 125, 156, 0.04) 40px);
}

.public-capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.public-capability {
  padding-top: 20px;
  border-top: 3px solid var(--public-primary);
}

.public-capability:nth-child(2) {
  border-color: var(--public-green);
}

.public-capability:nth-child(3) {
  border-color: var(--public-yellow);
}

.public-capability-icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #fff;
  color: var(--public-primary);
  font-size: 20px;
  box-shadow: 0 8px 20px rgba(20, 48, 66, 0.08);
}

.public-capability h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.public-capability p {
  color: var(--public-muted);
  line-height: 1.75;
}

.public-home-cta {
  padding: 64px 18px;
  background: #073b4d;
  color: #fff;
}

.public-home-cta-inner {
  display: flex;
  width: min(1180px, 100%);
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

body.public-site .public-home-cta h2 {
  margin-bottom: 10px;
  color: #fff;
  font-size: clamp(28px, 4vw, 42px);
}

.public-home-cta p {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
}

@media (max-width: 991px) {
  .public-auth-grid {
    grid-template-columns: 1fr;
  }

  .public-auth-story {
    min-height: 380px;
  }

  .public-home-hero {
    min-height: 660px;
    background-position: center, 72% center;
  }

  .public-role-grid,
  .public-capability-grid {
    grid-template-columns: 1fr;
  }

  .public-home-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .public-word-gallery-heading {
    align-items: flex-start;
  }

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

  .public-loop-grid li:nth-child(2) {
    border-right: 0;
  }

  .public-workflow-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .public-about-workflow.is-reversed .public-workflow-copy {
    order: initial;
  }

  .public-about-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 767px) {
  .public-word-gallery {
    overflow: visible;
    padding: 42px 0 48px;
  }

  .public-word-gallery-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .public-word-gallery-tools {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
  }

  .public-word-gallery-tools p {
    margin: 0;
  }

  .public-word-gallery-stage {
    display: grid;
    height: clamp(460px, 68vh, 620px);
    height: clamp(460px, 68dvh, 620px);
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0 10px 8px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 8px;
    overscroll-behavior: contain;
    scrollbar-width: none;
    touch-action: pan-y;
  }

  .public-word-gallery-stage::-webkit-scrollbar {
    display: none;
  }

  .public-word-gallery-fade {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 4;
    display: block;
    height: 88px;
    pointer-events: none;
    background: linear-gradient(to bottom, rgba(239, 248, 250, 0.98), rgba(239, 248, 250, 0));
  }

  .public-word-track {
    display: flex;
    min-width: 0;
    min-height: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    overflow: visible;
    padding: 0;
    cursor: default;
    scroll-snap-type: none;
    touch-action: auto;
  }

  .public-word-track:nth-child(2) {
    padding: 30px 0 0;
  }

  .public-word-track:nth-child(3) {
    display: none;
  }

  .public-word-card {
    width: 100%;
    height: auto;
    flex: none;
    aspect-ratio: 4 / 5;
    scroll-snap-align: none;
  }

  .public-word-card.is-wide {
    flex-basis: auto;
    aspect-ratio: 3 / 4;
  }

  .public-word-card.is-narrow {
    flex-basis: auto;
    aspect-ratio: 1 / 1;
  }

  .public-word-card-back {
    padding: 11px;
  }

  .public-word-card-back h3 {
    font-size: 19px;
  }

  .public-word-definition {
    -webkit-line-clamp: 1;
  }

  .public-word-caption {
    min-height: 18px;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .public-word-play {
    min-height: 36px;
    margin-top: 4px;
  }

  .public-word-modal {
    padding: 14px;
  }

  .public-word-modal-dialog {
    width: calc(100vw - 28px);
    height: min(720px, calc(100vh - 28px));
  }

  .public-word-card.is-expanded .public-word-card-back {
    padding: 0;
    grid-template-rows: minmax(230px, 1fr) auto;
  }

  .public-word-card.is-expanded .public-word-card-close {
    top: 10px;
    right: 10px;
  }

  .public-word-green-copy {
    min-height: 260px;
    padding: 18px 18px 76px;
  }

  body.public-site .public-word-green-wordline h3 {
    font-size: 28px;
  }

  .public-word-green-caption {
    font-size: 16px;
  }

  .public-word-green-actions {
    right: 18px;
    bottom: 14px;
  }
}

@media (max-width: 575px) {
  body.public-site .navbar {
    min-height: 62px;
    padding-right: 14px !important;
    padding-left: 14px !important;
  }

  body.public-site .navbar .btn {
    min-height: 40px;
    padding-right: 16px !important;
    padding-left: 16px !important;
  }

  .public-nav-actions {
    align-items: stretch;
    padding: 8px 0 16px;
    flex-direction: column;
  }

  .public-word-gallery-heading {
    width: calc(100% - 28px);
  }

  .public-word-gallery-heading h2 {
    font-size: 29px;
  }

  .public-word-gallery-tools {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .public-about-hero {
    padding: 58px 14px 48px;
  }

  .public-about-hero h1 {
    font-size: 40px;
  }

  .public-about-hero-inner > p:not(.public-kicker) {
    font-size: 16px;
  }

  .public-about-anchor-nav {
    margin-right: -14px;
  }

  .public-about-section {
    padding: 54px 14px;
  }

  .public-loop-grid,
  .public-feedback-grid,
  .public-module-list {
    grid-template-columns: 1fr;
  }

  .public-loop-grid li {
    min-height: 0;
    border-right: 0;
  }

  .public-loop-grid span {
    margin-bottom: 14px;
  }

  .public-workflow-steps li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .public-module-list div,
  .public-module-list div:nth-child(odd),
  .public-module-list div:nth-child(even) {
    padding: 18px 0;
    border-left: 0;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .public-about-cta {
    padding: 52px 14px;
  }

  .public-auth-page {
    padding: 24px 14px 48px;
  }

  .public-auth-story {
    min-height: 310px;
    padding: 24px;
    background-position: center, right center;
  }

  body.public-site .public-auth-story h1 {
    margin-bottom: 10px;
    font-size: 28px;
    line-height: 1.18;
  }

  .public-auth-story p {
    font-size: 14px;
    line-height: 1.55;
  }

  .public-auth-card {
    padding: 24px 20px;
  }

  .public-auth-card h2 {
    font-size: 26px;
  }

  .public-login-options {
    align-items: flex-start;
    flex-direction: column;
  }

  .public-code-row {
    grid-template-columns: minmax(0, 1fr) 112px;
  }

  .public-code-row .btn {
    min-width: 0;
    padding-right: 10px;
    padding-left: 10px;
  }

  .public-home-hero {
    min-height: 640px;
    align-items: flex-end;
    background:
      linear-gradient(180deg, rgba(4, 36, 42, 0.02) 0%, rgba(4, 42, 45, 0.14) 40%, rgba(4, 42, 45, 0.64) 78%, rgba(4, 42, 45, 0.78) 100%),
      url("../img/public-site/future-campus-hero.webp") 68% center / cover no-repeat;
  }

  .public-home-hero-inner {
    width: calc(100% - 28px);
    padding: 280px 0 52px;
  }

  .public-home-hero h1 {
    font-size: 48px;
  }

  .public-home-proof,
  .public-capabilities {
    padding: 52px 14px;
  }

  .public-role-body {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.public-site *,
  body.public-site *::before,
  body.public-site *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}