/* LearnStack homepage reset: clean, focused, product-first. */
html {
  scroll-behavior: smooth;
}

.learnstack-home {
  --ls-ink: #101827;
  --ls-muted: #526078;
  --ls-soft: #657492;
  --ls-paper: #fbfdff;
  --ls-surface: #f7fafc;
  --ls-line: rgba(30, 43, 68, 0.12);
  --ls-line-soft: rgba(30, 43, 68, 0.075);
  --ls-cyan: #0fa3b1;
  --ls-cyan-soft: rgba(15, 163, 177, 0.12);
  --ls-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ls-page-max: 74rem;
  --ls-nav-height: 4.25rem;
  --ls-space-xs: 0.5rem;
  --ls-space-sm: 0.75rem;
  --ls-space-md: 1rem;
  --ls-space-lg: 1.5rem;
  --ls-space-xl: 2.5rem;
  --ls-space-2xl: 4rem;
  --ls-space-3xl: 6rem;
  --ls-type-caption: 0.78rem;
  --ls-type-label: 0.84rem;
  --ls-type-body: 1rem;
  --ls-type-lead: 1.075rem;
  --ls-type-title: 1.32rem;
  --ls-type-section: 2.4rem;
  --ls-type-display: 4.35rem;
  --ls-weight-body: 410;
  --ls-weight-label: 660;
  --ls-weight-title: 650;
  --ls-weight-display: 650;
  --accent: var(--ls-cyan);
  --accent-strong: var(--ls-cyan);
  --text-main: var(--ls-ink);
  --text-muted: var(--ls-muted);
  --border: var(--ls-line);
  position: relative;
  overflow-x: hidden;
  background: var(--ls-paper);
  color: var(--ls-ink);
  font-family: "Aptos", "Segoe UI Variable Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-weight: var(--ls-weight-body);
  font-kerning: normal;
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

@supports (font-variation-settings: normal) {
  .learnstack-home {
    font-variation-settings: "wght" var(--ls-weight-body);
  }

  .learnstack-home h1,
  .learnstack-home h2,
  .learnstack-home strong,
  .learnstack-home button,
  .learnstack-home .ls-eyebrow,
  .learnstack-home .ls-product-label,
  .learnstack-home .ls-teacher-panel-label,
  .learnstack-home .ls-account-kicker {
    font-variation-settings: "wght" var(--ls-weight-title);
  }
}

.learnstack-home *,
.learnstack-home *::before,
.learnstack-home *::after {
  letter-spacing: 0;
}

.learnstack-home::before,
.learnstack-home::after,
.learnstack-home .section-rail,
.learnstack-home .section-rail-mobile,
.learnstack-home .section-transition-marker,
.learnstack-home .animated-contour,
.learnstack-home .final-cta-background,
.learnstack-home .final-contours,
.learnstack-home .final-central-glow,
.learnstack-home #results,
.learnstack-home #enter,
.learnstack-home #method,
[id="method"],
.learnstack-home #philosophy > div > div:first-child,
.learnstack-home #philosophy form.home-reveal-delay-1 {
  display: none !important;
  visibility: hidden !important;
  content-visibility: hidden !important;
}

.learnstack-home > .relative.z-10 {
  background: var(--ls-paper);
}

.learnstack-home > .relative.z-10 > nav.fixed.inset-x-0 {
  top: 0;
  right: 0;
  left: 0;
  border: 0;
  border-bottom: 1px solid var(--ls-line-soft);
  border-radius: 0;
  background: rgba(251, 253, 255, 0.96);
  box-shadow: none;
  backdrop-filter: none;
}

.learnstack-home > .relative.z-10 > nav.fixed.inset-x-0 > div {
  height: var(--ls-nav-height);
  max-width: var(--ls-page-max);
  padding-inline: var(--ls-space-lg);
}

.learnstack-home nav.fixed.inset-x-0 img[src$="learnstack-logo.png"] {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.learnstack-home nav.fixed.inset-x-0 .homepage-wordmark-wrap {
  filter: none;
}

.learnstack-home nav.fixed.inset-x-0 a.learnstack-system-text,
.learnstack-home nav.fixed.inset-x-0 button.learnstack-system-text {
  min-height: 2.25rem;
  border-radius: 6px;
  color: var(--ls-muted);
  font-size: var(--ls-type-label);
  font-weight: 650;
  line-height: 1;
  transition:
    background 180ms var(--ls-ease),
    color 180ms var(--ls-ease),
    transform 180ms var(--ls-ease);
}

.learnstack-home nav.fixed.inset-x-0 a.learnstack-system-text {
  display: none;
}

.learnstack-home nav.fixed.inset-x-0 a.learnstack-system-text:hover,
.learnstack-home nav.fixed.inset-x-0 a.learnstack-system-text:focus-visible {
  background: var(--ls-surface);
  color: var(--ls-ink);
}

.learnstack-home nav.fixed.inset-x-0 button.learnstack-system-text {
  height: 2.35rem;
  border: 1px solid var(--ls-line);
  background: var(--ls-ink);
  color: var(--ls-paper);
  box-shadow: none;
}

.learnstack-home nav.fixed.inset-x-0 button.learnstack-system-text:hover,
.learnstack-home nav.fixed.inset-x-0 button.learnstack-system-text:focus-visible {
  background: #172239;
  transform: translateY(-1px);
}

.learnstack-home .homepage-section-frame,
.learnstack-home .final-cta-section {
  min-height: auto;
  border: 0;
  background: var(--ls-paper);
  padding-block: var(--ls-space-3xl);
  scroll-margin-top: calc(var(--ls-nav-height) + var(--ls-space-sm));
}

.learnstack-home .homepage-section-frame::before,
.learnstack-home .homepage-section-frame::after,
.learnstack-home .final-cta-section::before,
.learnstack-home .final-cta-section::after {
  display: none;
}

.learnstack-home #philosophy.homepage-section-frame {
  min-height: 90dvh;
  padding-top: calc(var(--ls-nav-height) + var(--ls-space-2xl));
  padding-bottom: var(--ls-space-2xl);
}

.learnstack-home #philosophy > div {
  width: min(calc(100% - 3rem), var(--ls-page-max));
  margin-inline: auto;
}

.learnstack-home #philosophy .grid {
  min-height: calc(90dvh - 12.5rem);
  align-items: center;
  gap: var(--ls-space-3xl);
}

.learnstack-home #philosophy .home-reveal:first-child {
  max-width: 39rem;
  padding: 0;
}

.learnstack-home #philosophy .home-reveal > p:first-child,
.learnstack-home .ls-eyebrow {
  width: fit-content;
  max-width: 100%;
  margin-bottom: var(--ls-space-md);
  color: var(--ls-muted);
  font-size: var(--ls-type-label);
  font-weight: 650;
  line-height: 1.35;
}

.learnstack-home #philosophy h1 {
  max-width: 12em;
  color: var(--ls-ink);
  font-size: var(--ls-type-display);
  font-weight: 650;
  line-height: 1;
  text-wrap: balance;
  text-shadow: none;
}

.learnstack-home #philosophy h1::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 2px;
  margin-top: var(--ls-space-lg);
  background: var(--ls-cyan);
  border-radius: 999px;
}

.learnstack-home #philosophy .home-reveal > p:nth-of-type(2) {
  max-width: 36rem;
  margin-top: var(--ls-space-lg);
  color: var(--ls-muted);
  font-size: var(--ls-type-lead);
  line-height: 1.68;
}

.learnstack-home .ls-hero-actions {
  display: flex;
  margin-top: var(--ls-space-xl);
}

.learnstack-home .ls-hero-primary {
  min-height: 2.8rem;
  border: 1px solid var(--ls-ink);
  border-radius: 6px;
  background: var(--ls-ink);
  color: var(--ls-paper);
  padding: 0.78rem 1.1rem;
  font: inherit;
  font-size: var(--ls-type-label);
  font-weight: 680;
  line-height: 1;
  transition:
    background 180ms var(--ls-ease),
    transform 180ms var(--ls-ease);
}

.learnstack-home .ls-hero-primary:hover,
.learnstack-home .ls-hero-primary:focus-visible {
  background: #172239;
  transform: translateY(-1px);
}

.learnstack-home #philosophy .home-reveal-delay-1:not(form) {
  min-height: auto;
  opacity: 1;
  transform: none;
}

.learnstack-home #philosophy .home-reveal-delay-1:not(form) > :not(.ls-product-visual) {
  display: none !important;
}

.learnstack-home .ls-product-visual {
  position: relative;
  width: min(100%, 31.5rem);
  margin-left: auto;
  margin-right: 0;
  border: 1px solid var(--ls-line);
  border-radius: 8px;
  background: var(--ls-paper);
  box-shadow: 0 18px 52px rgba(30, 43, 68, 0.08);
  padding: var(--ls-space-lg);
}

.learnstack-home .ls-product-top,
.learnstack-home .ls-product-review {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ls-space-md);
}

.learnstack-home .ls-product-top {
  padding-bottom: var(--ls-space-md);
  border-bottom: 1px solid var(--ls-line-soft);
  color: var(--ls-muted);
  font-size: var(--ls-type-caption);
  font-weight: 650;
}

.learnstack-home .ls-product-top b {
  color: var(--ls-ink);
  font-weight: 700;
}

.learnstack-home .ls-product-question,
.learnstack-home .ls-product-submitted,
.learnstack-home .ls-product-feedback {
  padding: var(--ls-space-lg) var(--ls-space-xs);
}

.learnstack-home .ls-product-question h2 {
  max-width: 26rem;
  color: var(--ls-ink);
  font-size: var(--ls-type-title);
  font-weight: 650;
  line-height: 1.22;
}

.learnstack-home .ls-product-submitted p,
.learnstack-home .ls-product-feedback p {
  max-width: 30rem;
  margin-top: var(--ls-space-sm);
  color: var(--ls-muted);
  font-size: 0.95rem;
  line-height: 1.58;
}

.learnstack-home .ls-product-label {
  display: block;
  margin-bottom: var(--ls-space-xs);
  color: var(--ls-soft);
  font-size: var(--ls-type-caption);
  font-weight: 700;
  line-height: 1.25;
}

.learnstack-home .ls-stitch-accent {
  display: flex;
  align-items: center;
  gap: 0.46rem;
  padding-block: var(--ls-space-xs);
}

.learnstack-home .ls-stitch-accent::before,
.learnstack-home .ls-stitch-accent::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--ls-line-soft);
}

.learnstack-home .ls-stitch-accent span {
  width: 0.38rem;
  height: 0.38rem;
  border: 1px solid var(--ls-cyan);
  border-radius: 999px;
  background: var(--ls-paper);
}

.learnstack-home .ls-product-feedback {
  border-bottom: 1px solid var(--ls-line-soft);
}

.learnstack-home .ls-feedback-details {
  display: grid;
  gap: 0;
  margin-top: var(--ls-space-md);
  border: 1px solid var(--ls-line-soft);
  border-radius: 6px;
  background: var(--ls-surface);
}

.learnstack-home .ls-feedback-detail {
  display: grid;
  gap: 0.34rem;
  padding: 0.82rem 0.9rem;
}

.learnstack-home .ls-feedback-detail + .ls-feedback-detail {
  border-top: 1px solid var(--ls-line-soft);
}

.learnstack-home .ls-feedback-detail span {
  color: var(--ls-ink);
  font-size: var(--ls-type-caption);
  font-weight: 750;
  line-height: 1.25;
}

.learnstack-home .ls-feedback-detail p {
  margin: 0;
  max-width: 27rem;
  color: var(--ls-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.learnstack-home .ls-product-submitted {
  border-top: 1px solid var(--ls-line-soft);
}

.learnstack-home .ls-product-review {
  padding: var(--ls-space-md) var(--ls-space-xs) 0;
  color: var(--ls-muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.learnstack-home .ls-product-review strong {
  color: var(--ls-ink);
  font-size: 0.9rem;
}

.learnstack-home .ls-teacher-section {
  background: var(--ls-surface);
  padding-top: calc(var(--ls-space-2xl) + var(--ls-space-lg));
  padding-bottom: calc(var(--ls-space-3xl) + var(--ls-space-lg));
}

.learnstack-home .ls-teacher-inner {
  width: min(calc(100% - 3rem), var(--ls-page-max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(24rem, 0.86fr);
  gap: var(--ls-space-3xl);
  align-items: start;
}

.learnstack-home .ls-teacher-copy h2 {
  max-width: 13em;
  color: var(--ls-ink);
  font-size: var(--ls-type-section);
  font-weight: 640;
  line-height: 1.08;
  text-wrap: balance;
}

.learnstack-home .ls-teacher-copy > p:not(.ls-eyebrow) {
  max-width: 38rem;
  margin-top: var(--ls-space-lg);
  color: var(--ls-muted);
  font-size: var(--ls-type-body);
  line-height: 1.68;
}

.learnstack-home .ls-payment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ls-space-md);
  max-width: 34rem;
  margin-top: var(--ls-space-xl);
}

.learnstack-home .ls-pro-payment,
.learnstack-home .ls-teacher-payment {
  width: fit-content;
  min-height: 2.8rem;
  border-radius: 6px;
  padding: 0.78rem 1.1rem;
  font: inherit;
  font-size: var(--ls-type-label);
  font-weight: 680;
  line-height: 1;
  transition:
    background 180ms var(--ls-ease),
    color 180ms var(--ls-ease),
    transform 180ms var(--ls-ease);
}

.learnstack-home .ls-pro-payment {
  border: 1px solid var(--ls-ink);
  background: var(--ls-ink);
  color: var(--ls-paper);
}

.learnstack-home .ls-teacher-payment {
  border: 1px solid var(--ls-line);
  background: var(--ls-paper);
  color: var(--ls-ink);
}

.learnstack-home .ls-pro-payment:hover,
.learnstack-home .ls-pro-payment:focus-visible,
.learnstack-home .ls-teacher-payment:hover,
.learnstack-home .ls-teacher-payment:focus-visible {
  transform: translateY(-1px);
}

.learnstack-home .ls-pro-payment:hover,
.learnstack-home .ls-pro-payment:focus-visible {
  background: #172239;
}

.learnstack-home .ls-teacher-payment:hover,
.learnstack-home .ls-teacher-payment:focus-visible {
  border-color: rgba(15, 163, 177, 0.38);
  background: var(--ls-surface);
}

.learnstack-home .ls-pro-payment:disabled,
.learnstack-home .ls-teacher-payment:disabled {
  border-color: var(--ls-line);
  background: var(--ls-surface);
  color: var(--ls-muted);
  cursor: not-allowed;
  transform: none;
}

.learnstack-home .ls-teacher-status {
  flex-basis: 100%;
  max-width: 34rem;
  color: var(--ls-muted);
  font-size: 0.92rem;
  line-height: 1.58;
}

.learnstack-home .ls-teacher-status[data-state="pending"] {
  color: var(--ls-ink);
}

.learnstack-home .ls-teacher-status[data-state="active"] {
  color: var(--ls-cyan);
}

.learnstack-home .ls-teacher-status[data-state="error"] {
  color: #8c3442;
}

.learnstack-home .ls-teacher-panel {
  display: grid;
  gap: var(--ls-space-md);
}

.learnstack-home .ls-plan-card {
  border: 1px solid var(--ls-line);
  border-radius: 8px;
  background: var(--ls-paper);
  box-shadow: 0 18px 52px rgba(30, 43, 68, 0.06);
  padding: var(--ls-space-lg);
}

.learnstack-home .ls-plan-card-featured {
  border-color: rgba(15, 163, 177, 0.32);
  box-shadow: 0 22px 58px rgba(30, 43, 68, 0.08);
}

.learnstack-home .ls-teacher-panel-label {
  display: block;
  margin-bottom: var(--ls-space-md);
  color: var(--ls-soft);
  font-size: var(--ls-type-caption);
  font-weight: 700;
}

.learnstack-home .ls-teacher-panel strong {
  display: block;
  color: var(--ls-ink);
  font-size: var(--ls-type-title);
  font-weight: 660;
  line-height: 1.25;
}

.learnstack-home .ls-plan-price {
  margin-top: var(--ls-space-sm);
  color: var(--ls-ink);
  font-size: 1.05rem;
  font-weight: 720;
  line-height: 1.2;
}

.learnstack-home .ls-teacher-panel p {
  margin-top: var(--ls-space-sm);
  color: var(--ls-muted);
  font-size: 0.95rem;
  line-height: 1.58;
}

.learnstack-home .ls-teacher-features {
  display: grid;
  gap: var(--ls-space-sm);
  list-style: none;
  margin: var(--ls-space-lg) 0 0;
  padding: var(--ls-space-lg) 0 0;
  border-top: 1px solid var(--ls-line-soft);
}

.learnstack-home .ls-teacher-features li {
  display: grid;
  grid-template-columns: 0.7rem minmax(0, 1fr);
  gap: var(--ls-space-sm);
  align-items: start;
  color: var(--ls-ink);
  font-size: 0.94rem;
  line-height: 1.5;
}

.learnstack-home .ls-teacher-features li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  margin-top: 0.45rem;
  border: 1px solid var(--ls-cyan);
  border-radius: 999px;
  background: var(--ls-paper);
}

.learnstack-home .ls-account-card {
  width: min(calc(100% - 3rem), var(--ls-page-max));
  margin: calc(-1 * var(--ls-space-xl)) auto var(--ls-space-3xl);
  border: 1px solid var(--ls-line);
  border-radius: 8px;
  background: var(--ls-paper);
  box-shadow: 0 18px 52px rgba(30, 43, 68, 0.06);
  padding: var(--ls-space-lg);
}

.learnstack-home .ls-account-kicker {
  margin: 0 0 var(--ls-space-sm);
  color: var(--ls-cyan);
  font-size: var(--ls-type-caption);
  font-weight: var(--ls-weight-label);
  line-height: 1.25;
}

.learnstack-home .ls-account-card h2 {
  max-width: 17em;
  color: var(--ls-ink);
  font-size: 1.55rem;
  font-weight: var(--ls-weight-title);
  line-height: 1.12;
}

.learnstack-home .ls-account-card > p:not(.ls-account-kicker) {
  max-width: 47rem;
  margin-top: var(--ls-space-sm);
  color: var(--ls-muted);
  font-size: 0.98rem;
  line-height: 1.62;
}

.learnstack-home .ls-account-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ls-space-sm);
  list-style: none;
  margin: var(--ls-space-lg) 0 0;
  padding: 0;
}

.learnstack-home .ls-account-benefits li {
  border: 1px solid var(--ls-line-soft);
  border-radius: 6px;
  background: var(--ls-surface);
  color: var(--ls-ink);
  padding: 0.82rem 0.9rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.learnstack-home .ls-account-action {
  margin-top: var(--ls-space-lg);
  min-height: 2.65rem;
  border: 1px solid var(--ls-ink);
  border-radius: 6px;
  background: var(--ls-ink);
  color: var(--ls-paper);
  padding: 0.72rem 1rem;
  font: inherit;
  font-size: var(--ls-type-label);
  font-weight: 680;
  line-height: 1;
  transition:
    background 180ms var(--ls-ease),
    transform 180ms var(--ls-ease);
}

.learnstack-home .ls-account-action:hover,
.learnstack-home .ls-account-action:focus-visible {
  background: #172239;
  transform: translateY(-1px);
}

.ls-account-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  background: rgba(16, 24, 39, 0.38);
  padding: 1rem;
}

.ls-account-modal-panel {
  width: min(100%, 28rem);
  border: 1px solid rgba(30, 43, 68, 0.14);
  border-radius: 8px;
  background: #fbfdff;
  box-shadow: 0 28px 78px rgba(30, 43, 68, 0.18);
  padding: 1.5rem;
}

.ls-account-modal-panel h2 {
  color: #101827;
  font-family: "Aptos", "Segoe UI Variable Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: 1.45rem;
  font-weight: 650;
  line-height: 1.14;
}

.ls-account-modal-panel > p:not(.ls-account-kicker) {
  margin-top: 0.75rem;
  color: #526078;
  font-size: 0.96rem;
  line-height: 1.58;
}

.ls-account-input {
  width: 100%;
  min-height: 2.8rem;
  margin-top: 0.8rem;
  border: 1px solid rgba(30, 43, 68, 0.14);
  border-radius: 6px;
  background: #fbfdff;
  color: #101827;
  padding: 0.72rem 0.85rem;
  font: inherit;
}

.ls-account-input:focus {
  border-color: rgba(15, 163, 177, 0.55);
  outline: 2px solid rgba(15, 163, 177, 0.14);
  outline-offset: 1px;
}

.ls-account-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.ls-account-secondary {
  min-height: 2.65rem;
  border: 1px solid rgba(30, 43, 68, 0.14);
  border-radius: 6px;
  background: #fbfdff;
  color: #101827;
  padding: 0.72rem 1rem;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 660;
}

@media (min-width: 1024px) {
  .learnstack-home #philosophy .grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(25rem, 0.95fr);
  }
}

@media (max-width: 860px) {
  .learnstack-home #philosophy.homepage-section-frame {
    min-height: auto;
    padding-top: calc(var(--ls-nav-height) + var(--ls-space-xl));
  }

  .learnstack-home #philosophy .grid,
  .learnstack-home .ls-how-inner,
  .learnstack-home .ls-teacher-inner {
    grid-template-columns: 1fr;
    gap: var(--ls-space-xl);
  }

  .learnstack-home #philosophy > div,
  .learnstack-home .ls-how-inner,
  .learnstack-home .ls-teacher-inner,
  .learnstack-home .ls-account-card {
    width: min(calc(100% - 2rem), var(--ls-page-max));
  }

  .learnstack-home .ls-account-benefits {
    grid-template-columns: 1fr;
  }

  .learnstack-home .ls-product-visual {
    margin-inline: 0;
  }

  .learnstack-home #philosophy h1 {
    font-size: 3.15rem;
  }

  .learnstack-home .ls-teacher-copy h2 {
    font-size: 2.15rem;
  }
}

@media (max-width: 520px) {
  .learnstack-home > .relative.z-10 > nav.fixed.inset-x-0 > div {
    padding-inline: var(--ls-space-md);
  }

  .learnstack-home #philosophy h1 {
    font-size: 2.62rem;
  }

  .learnstack-home .ls-product-visual {
    padding: var(--ls-space-md);
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .learnstack-home *,
  .learnstack-home *::before,
  .learnstack-home *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}