/* EduSphere Learning Hub public index — Pass 4
   Consumes RolyTech Public Foundation v1.0 ratified through SC. */

.es-public-page {
  --rt-public-font: "Aptos", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --rt-public-bg: #f5f7f2;
  --rt-public-surface: #ffffff;
  --rt-public-surface-subtle: #edf2ea;
  --rt-public-text: #14251d;
  --rt-public-text-muted: #58675f;
  --rt-public-border: #d8e0d9;
  --rt-public-brand: #0c263e;
  --rt-public-accent: #286c4d;
  --rt-public-accent-strong: #1e553c;
  --rt-public-on-accent: #ffffff;
  --rt-public-focus: #9b4e00;
  --rt-public-shadow: 0 22px 55px rgba(30, 58, 43, 0.08);
  --es-soft-green: #e3eee5;
  --es-pale-green: #eef4ee;
  --es-deep-green: #183f2d;
  --es-hairline: rgba(36, 75, 54, 0.16);
  background: var(--rt-public-bg);
  font-family: var(--rt-public-font);
}

.es-public-page .rt-public-header {
  background: rgba(245, 247, 242, 0.96);
}

.es-public-page .rt-public-header__inner {
  min-height: 4.85rem;
}

.es-public-page .rt-public-product-lockup span {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
}

.es-public-page .rt-public-product-lockup strong {
  font-size: 0.95rem;
  font-weight: 650;
}

.es-public-page .rt-public-menu > summary {
  font-weight: 650;
}

.es-public-page .rt-public-language a {
  font-weight: 700;
}

.es-public-page .rt-public-eyebrow {
  color: var(--rt-public-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: none;
}

.es-public-page .rt-public-button {
  border-radius: 0.72rem;
  font-weight: 700;
}

.es-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4.5rem, 9vw, 8.5rem);
  border-bottom: 1px solid var(--es-hairline);
}

.es-hero::before {
  content: "";
  position: absolute;
  top: -12rem;
  right: -9rem;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88, 146, 103, 0.18) 0, rgba(88, 146, 103, 0.06) 46%, transparent 72%);
  pointer-events: none;
}

.es-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(20rem, 0.82fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}

.es-hero__content {
  max-width: 49rem;
}

.es-hero h1 {
  max-width: 13ch;
  margin: 0.95rem 0 1.4rem;
  color: var(--es-deep-green);
  font-size: clamp(3rem, 6vw, 5.55rem);
  font-weight: 620;
  line-height: 1.02;
  letter-spacing: -0.052em;
}

.es-hero__lead {
  max-width: 62ch;
  margin: 0;
  color: var(--rt-public-text-muted);
  font-size: clamp(1.06rem, 1.7vw, 1.22rem);
  line-height: 1.7;
}

.es-action-row {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.es-primary-button {
  background: var(--rt-public-accent);
}

.es-product-note {
  margin: 1.25rem 0 0;
  color: var(--rt-public-text-muted);
  font-size: 0.9rem;
}

.es-journey-panel {
  padding: clamp(1.7rem, 4vw, 2.5rem);
  border: 1px solid var(--es-hairline);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--rt-public-shadow);
  backdrop-filter: blur(10px);
}

.es-panel-label {
  color: var(--rt-public-accent);
  font-size: 0.76rem;
  font-weight: 700;
}

.es-journey-panel h2 {
  max-width: 16ch;
  margin: 0.85rem 0 0.9rem;
  color: var(--es-deep-green);
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  font-weight: 620;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.es-journey-panel > p {
  margin: 0;
  color: var(--rt-public-text-muted);
}

.es-journey-panel ol {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.es-journey-panel li {
  min-height: 3rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  border-top: 1px solid var(--es-hairline);
  font-weight: 620;
}

.es-journey-panel li span {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border: 1px solid var(--rt-public-accent);
  border-radius: 50%;
}

.es-roles,
.es-capabilities,
.es-flow,
.es-assurance {
  padding-block: clamp(4.5rem, 8vw, 7rem);
  border-bottom: 1px solid var(--es-hairline);
}

.es-section-heading {
  margin-bottom: clamp(2.8rem, 5vw, 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(20rem, 0.7fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: end;
}

.es-section-heading h2,
.es-flow__intro h2,
.es-closing h2 {
  margin: 0.65rem 0 0;
  color: var(--es-deep-green);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 610;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.es-section-heading p {
  margin: 0;
  color: var(--rt-public-text-muted);
}

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

.es-role {
  min-height: 28rem;
  padding: clamp(1.6rem, 3vw, 2.15rem);
  border-radius: 1.2rem;
  background: var(--rt-public-surface);
  box-shadow: 0 14px 34px rgba(30, 58, 43, 0.055);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.5rem;
}

.es-role__index {
  color: #779183;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.es-role h3 {
  margin: 1.2rem 0 0;
  color: var(--es-deep-green);
  font-size: 1.5rem;
  font-weight: 620;
}

.es-role p {
  margin: 0.9rem 0 0;
  color: var(--rt-public-text-muted);
}

.es-role ul {
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  list-style: none;
}

.es-role li {
  position: relative;
  padding-left: 1rem;
  color: #36483f;
}

.es-role li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.35rem;
  height: 1px;
  background: var(--rt-public-accent);
}

.es-role > a {
  color: var(--rt-public-accent);
  font-weight: 700;
  text-decoration: none;
}

.es-role > a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.es-capabilities {
  background: #f0f4ef;
}

.es-capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4.5rem) clamp(2rem, 4vw, 3.5rem);
}

.es-capability {
  min-height: 12.5rem;
}

.es-capability > span {
  color: #82968b;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.es-capability h3 {
  margin: 1.15rem 0 0;
  color: var(--es-deep-green);
  font-size: 1.2rem;
  font-weight: 620;
  line-height: 1.28;
}

.es-capability p {
  margin: 0.8rem 0 0;
  color: var(--rt-public-text-muted);
}

.es-flow__grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(4rem, 9vw, 8rem);
  align-items: start;
}

.es-flow__intro {
  position: sticky;
  top: 7rem;
}

.es-flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.es-flow__steps li {
  padding-block: 1.8rem;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1.4rem;
  border-bottom: 1px solid var(--es-hairline);
}

.es-flow__steps li:first-child {
  padding-top: 0;
}

.es-flow__steps li > span {
  color: #7b9084;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.es-flow__steps h3 {
  margin: 0;
  color: var(--es-deep-green);
  font-size: 1.22rem;
  font-weight: 620;
}

.es-flow__steps p {
  max-width: 52ch;
  margin: 0.55rem 0 0;
  color: var(--rt-public-text-muted);
}

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

.es-assurance-grid article {
  min-height: 8.5rem;
  padding: 1.6rem;
  border-radius: 1rem;
  background: var(--es-pale-green);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.es-assurance-grid article > span {
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.48rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--rt-public-accent);
}

.es-assurance-grid strong {
  color: var(--es-deep-green);
  font-size: 1.02rem;
  font-weight: 620;
  line-height: 1.5;
}

.es-closing {
  padding-block: clamp(4.5rem, 8vw, 7rem);
}

.es-closing__inner {
  padding: clamp(2rem, 5vw, 3.5rem);
  border-radius: 1.35rem;
  background: var(--es-deep-green);
  color: #f4faf5;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3rem;
  align-items: center;
}

.es-closing .rt-public-eyebrow {
  color: #a8d9b8;
}

.es-closing h2 {
  max-width: 18ch;
  color: #ffffff;
}

.es-closing p {
  max-width: 60ch;
  margin: 1rem 0 0;
  color: #cbdcd1;
}

.es-closing__actions {
  min-width: 13rem;
  display: grid;
  gap: 0.75rem;
}

.es-closing__actions .rt-public-button {
  width: 100%;
  background: #ffffff;
  color: var(--es-deep-green) !important;
}

.es-text-link {
  color: #d6e9dc !important;
  font-weight: 650;
  text-decoration: none;
}

.es-text-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

@media (max-width: 64rem) {
  .es-role-grid,
  .es-capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .es-role:last-child {
    grid-column: 1 / -1;
    min-height: auto;
  }
}

@media (max-width: 54rem) {
  .es-hero__grid,
  .es-section-heading,
  .es-flow__grid,
  .es-closing__inner {
    grid-template-columns: 1fr;
  }

  .es-flow__intro {
    position: static;
  }

  .es-closing__actions {
    width: min(100%, 22rem);
  }
}

@media (max-width: 44rem) {
  .es-public-page .rt-public-header__inner {
    min-height: 4.25rem;
  }

  .es-hero {
    padding-block: 3.75rem;
  }

  .es-hero h1 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .es-action-row {
    display: grid;
  }

  .es-action-row .rt-public-button {
    width: 100%;
  }

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

  .es-role:last-child {
    grid-column: auto;
  }

  .es-role {
    min-height: auto;
  }

  .es-capability {
    min-height: auto;
  }
}

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