/*
 * landing-theme.css — public org-site pages for the learning-paths prototypes.
 *
 * Mirrors packages/ui/src/custom/org-landing-page/ default theme ("minimal"):
 * --landing-* CSS vars from theme-vars-base.ts, square-cornered cards
 * (--landing-radius-card: 0), no card shadows, pill floating nav, accent
 * radial-gradient hero. Accent = the org brand (default ClassroomIO indigo).
 */

:root {
  --landing-bg: oklch(1 0 0);
  --landing-fg: oklch(0.185 0 0);
  --landing-fg-muted: oklch(0.5 0 0);
  --landing-border: oklch(0.9 0 0);
  --landing-card: oklch(1 0 0);
  --landing-card-soft: oklch(0.975 0 0);
  --landing-accent: oklch(0.488 0.243 264.376);
  --landing-accent-soft: oklch(0.488 0.243 264.376 / 0.08);
  --landing-button-primary-bg: oklch(0.488 0.243 264.376);
  --landing-button-primary-bg-hover: oklch(0.424 0.199 265.638);
  --landing-button-primary-fg: #fff;
  --landing-success: oklch(0.596 0.145 163.225);
  --landing-radius-card: 0px;
  --landing-radius-button: 6px;
}

.dark {
  --landing-bg: oklch(0.16 0 0);
  --landing-fg: oklch(0.96 0 0);
  --landing-fg-muted: oklch(0.68 0 0);
  --landing-border: oklch(1 0 0 / 14%);
  --landing-card: oklch(0.2 0 0);
  --landing-card-soft: oklch(0.24 0 0);
  --landing-accent: oklch(0.623 0.214 259.815);
  --landing-accent-soft: oklch(0.623 0.214 259.815 / 0.14);
  --landing-button-primary-bg: oklch(0.546 0.245 262.881);
  --landing-button-primary-bg-hover: oklch(0.623 0.214 259.815);
  --landing-success: oklch(0.696 0.17 162.48);
}

* {
  box-sizing: border-box;
  border-color: var(--landing-border);
}
html {
  scroll-behavior: smooth;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  font-family:
    'Geist',
    ui-sans-serif,
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: var(--landing-bg);
  color: var(--landing-fg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
.tnum {
  font-variant-numeric: tabular-nums;
}
.lp-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.lp-wrap-narrow {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== pill nav (minimal theme) ===== */
.lp-nav-outer {
  padding: 20px 20px 0;
  max-width: 1240px;
  margin: 0 auto;
}
.lp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--landing-border) 60%, transparent);
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--landing-accent) 14%, transparent),
    color-mix(in oklab, var(--landing-accent) 6%, transparent)
  );
  backdrop-filter: blur(8px);
}
.lp-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 19px;
}
.lp-nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--landing-accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}
.lp-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14.5px;
}
.lp-nav-links > a {
  opacity: 0.72;
}
.lp-nav-links > a:hover,
.lp-nav-links > a.active {
  opacity: 1;
}
.lp-nav-auth {
  border: 1px solid var(--landing-border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  background: var(--landing-card);
}
.lp-nav-auth:hover {
  border-color: var(--landing-fg-muted);
}
@media (max-width: 760px) {
  .lp-nav-links > a {
    display: none;
  }
}

/* ===== hero ===== */
.lp-hero {
  position: relative;
  padding: 72px 0 80px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(60% 90% at 50% -10%, var(--landing-accent-soft) 0%, transparent 70%),
    linear-gradient(180deg, transparent, transparent);
}
.lp-hero-dots {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--landing-fg) 1px, transparent 1.5px);
  background-size: 22px 22px;
}
.lp-hero-inner {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}
.lp-hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 20px;
  text-wrap: balance;
}
.lp-hero .sub {
  font-size: 19px;
  font-weight: 300;
  color: color-mix(in oklab, var(--landing-fg) 72%, transparent);
  margin: 0 auto 32px;
  max-width: 60ch;
}
.lp-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== buttons ===== */
.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--landing-radius-button);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 15px;
  padding: 10px 22px;
  cursor: pointer;
  transition:
    background 0.12s,
    border-color 0.12s;
}
.lp-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}
.lp-btn-primary {
  background: var(--landing-button-primary-bg);
  color: var(--landing-button-primary-fg);
}
.lp-btn-primary:hover {
  background: var(--landing-button-primary-bg-hover);
}
.lp-btn-secondary {
  background: var(--landing-card);
  border-color: var(--landing-border);
  color: var(--landing-fg);
}
.lp-btn-secondary:hover {
  border-color: var(--landing-fg-muted);
}
.lp-btn-lg {
  padding: 13px 28px;
  font-size: 16px;
}
.lp-btn-pill {
  border-radius: 999px;
}
.lp-btn-block {
  width: 100%;
}

/* ===== sections ===== */
.lp-section {
  padding: 72px 0;
}
.lp-section + .lp-section {
  border-top: 1px solid var(--landing-border);
}
.lp-section h2 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.lp-section .lead {
  color: var(--landing-fg-muted);
  margin: 0 0 32px;
  max-width: 62ch;
}
.lp-eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--landing-accent);
  margin-bottom: 10px;
  display: block;
}

/* ===== cards (minimal: square, hairline, no shadow) ===== */
.lp-card {
  background: var(--landing-card);
  border: 1px solid color-mix(in oklab, var(--landing-border) 60%, transparent);
  border-radius: var(--landing-radius-card);
  transition: border-color 0.15s;
}
a.lp-card:hover {
  border-color: var(--landing-fg-muted);
}

/* course card (minimal shape) */
.lp-course-card {
  display: flex;
  flex-direction: column;
  padding: 32px;
}
.lp-course-card h3 {
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.lp-course-card .desc {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--landing-fg-muted);
  margin: 0 0 30px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lp-meta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--landing-fg-muted);
  margin-top: auto;
  flex-wrap: wrap;
}
.lp-meta-row .m {
  display: flex;
  align-items: center;
  gap: 6px;
}
.lp-meta-row svg {
  width: 15px;
  height: 15px;
  stroke-width: 1.8;
}
.lp-meta-row .price {
  margin-left: auto;
  font-weight: 600;
  color: var(--landing-fg);
  font-size: 15px;
}
.lp-meta-row .price s {
  color: var(--landing-fg-muted);
  font-weight: 400;
  font-size: 13px;
  margin-left: 6px;
}

/* path badge + save chip */
.lp-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--landing-accent);
  background: var(--landing-accent-soft);
  padding: 4px 10px;
  margin-bottom: 16px;
}
.lp-chip svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.2;
}
.lp-save {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--landing-success);
  background: color-mix(in oklab, var(--landing-success) 10%, transparent);
  padding: 3px 9px;
}

/* ordered course list inside a path card */
.lp-path-courses {
  border-top: 1px solid var(--landing-border);
  margin: 22px 0;
}
.lp-path-course {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--landing-border);
  font-size: 14.5px;
}
.lp-path-course .n {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--landing-accent-soft);
  color: var(--landing-accent);
  display: grid;
  place-items: center;
  font-size: 11.5px;
  font-weight: 600;
  flex-shrink: 0;
}
.lp-path-course .t {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lp-path-course .d {
  font-size: 13px;
  color: var(--landing-fg-muted);
  flex-shrink: 0;
}

/* ===== stats row (social proof) ===== */
.lp-stats {
  display: flex;
  justify-content: center;
  border-block: 1px solid var(--landing-border);
  padding: 28px 0;
  flex-wrap: wrap;
}
.lp-stat {
  padding: 0 36px;
  text-align: center;
  border-right: 1px solid var(--landing-border);
}
.lp-stat:last-child {
  border-right: none;
}
.lp-stat .v {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.lp-stat .k {
  font-size: 13px;
  color: var(--landing-fg-muted);
  margin-top: 2px;
}
@media (max-width: 720px) {
  .lp-stat {
    padding: 10px 20px;
    border-right: none;
  }
}

/* ===== anchor nav ===== */
.lp-anchor-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--landing-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--landing-border);
}
.lp-anchor-nav .in {
  display: flex;
  gap: 6px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  overflow-x: auto;
}
.lp-anchor-nav a {
  padding: 14px 14px;
  font-size: 14.5px;
  color: var(--landing-fg-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.lp-anchor-nav a:hover {
  color: var(--landing-fg);
}
.lp-anchor-nav a.active {
  color: var(--landing-fg);
  border-bottom-color: var(--landing-accent);
  font-weight: 500;
}

/* ===== outcomes / bullets ===== */
.lp-outcomes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}
.lp-outcome {
  display: flex;
  gap: 12px;
  font-size: 15.5px;
  line-height: 1.55;
}
.lp-outcome svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
  color: var(--landing-accent);
  flex-shrink: 0;
  margin-top: 3px;
}
@media (max-width: 720px) {
  .lp-outcomes {
    grid-template-columns: 1fr;
  }
}

/* skill tags */
.lp-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.lp-skill {
  border: 1px solid var(--landing-border);
  padding: 7px 16px;
  font-size: 14px;
  border-radius: 999px;
  color: var(--landing-fg);
}

/* ===== series (sequential course cards) ===== */
.lp-series {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.lp-series-card {
  padding: 26px 28px;
}
.lp-series-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.lp-series-n {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--landing-accent-soft);
  color: var(--landing-accent);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 15px;
  flex-shrink: 0;
}
.lp-series-card h3 {
  font-size: 18px;
  font-weight: 500;
  margin: 4px 0 2px;
  letter-spacing: -0.01em;
}
.lp-series-sub {
  font-size: 13.5px;
  color: var(--landing-fg-muted);
}
.lp-series-body {
  margin: 16px 0 0 52px;
}
.lp-series-body .lbl {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--landing-fg-muted);
  margin-bottom: 10px;
}
.lp-series-outcomes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
  margin-bottom: 4px;
}
.lp-series-outcomes .o {
  display: flex;
  gap: 9px;
  font-size: 14px;
  color: var(--landing-fg);
  line-height: 1.5;
}
.lp-series-outcomes .o svg {
  width: 15px;
  height: 15px;
  stroke-width: 2.2;
  color: var(--landing-accent);
  flex-shrink: 0;
  margin-top: 3px;
}
.lp-lessons-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--landing-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 0 0;
}
.lp-lessons-toggle svg {
  width: 15px;
  height: 15px;
  stroke-width: 2.2;
  transition: transform 0.15s;
}
.lp-lessons-toggle.open svg {
  transform: rotate(180deg);
}
.lp-lessons {
  display: none;
  border-top: 1px solid var(--landing-border);
  margin-top: 12px;
}
.lp-lessons.open {
  display: block;
}
.lp-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--landing-border);
  font-size: 14px;
}
.lp-lesson .ix {
  font-family: ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--landing-fg-muted);
  min-width: 3ch;
}
.lp-lesson .dur {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--landing-fg-muted);
}
.lp-lesson .prev {
  font-size: 12px;
  font-weight: 600;
  color: var(--landing-accent);
}
@media (max-width: 720px) {
  .lp-series-outcomes {
    grid-template-columns: 1fr;
  }
  .lp-series-body {
    margin-left: 0;
  }
}

/* ===== instructors ===== */
.lp-instructors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.lp-instructor {
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.lp-instructor .av {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--landing-accent-soft);
  color: var(--landing-accent);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 10px;
}
.lp-instructor .nm {
  font-size: 15.5px;
  font-weight: 600;
}
.lp-instructor .rl {
  font-size: 13px;
  color: var(--landing-fg-muted);
}
.lp-instructor .bio {
  font-size: 13.5px;
  color: var(--landing-fg-muted);
  margin-top: 8px;
  line-height: 1.55;
}
@media (max-width: 760px) {
  .lp-instructors {
    grid-template-columns: 1fr;
  }
}

/* ===== testimonials ===== */
.lp-testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.lp-testimonial {
  padding: 26px;
}
.lp-testimonial .q {
  font-size: 15.5px;
  line-height: 1.65;
  margin: 0 0 16px;
}
.lp-testimonial .who {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
}
.lp-testimonial .who .av {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--landing-accent-soft);
  color: var(--landing-accent);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 12px;
}
.lp-testimonial .who .nm {
  font-weight: 600;
}
.lp-testimonial .who .loc {
  color: var(--landing-fg-muted);
}
@media (max-width: 720px) {
  .lp-testimonials {
    grid-template-columns: 1fr;
  }
}

/* ===== FAQ accordion ===== */
.lp-faq {
  border-top: 1px solid var(--landing-border);
}
.lp-faq-item {
  border-bottom: 1px solid var(--landing-border);
}
.lp-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--landing-fg);
}
.lp-faq-q svg {
  width: 17px;
  height: 17px;
  stroke-width: 2;
  color: var(--landing-fg-muted);
  flex-shrink: 0;
  transition: transform 0.15s;
}
.lp-faq-item.open .lp-faq-q svg {
  transform: rotate(180deg);
}
.lp-faq-a {
  display: none;
  padding: 0 4px 18px;
  font-size: 14.5px;
  color: var(--landing-fg-muted);
  line-height: 1.65;
  max-width: 68ch;
}
.lp-faq-item.open .lp-faq-a {
  display: block;
}

/* ===== pricing card ===== */
.lp-pricing-card {
  max-width: 440px;
  margin: 0 auto;
  padding: 32px;
  text-align: center;
}
.lp-pricing-card .eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--landing-fg-muted);
  margin-bottom: 12px;
}
.lp-price {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}
.lp-price-was {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 10px 0 20px;
  font-size: 14.5px;
  color: var(--landing-fg-muted);
}
.lp-price-was s {
  font-size: 16px;
}
.lp-features {
  text-align: left;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lp-features li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
}
.lp-features svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
  color: var(--landing-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* certificate banner */
.lp-cert {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 28px 30px;
}
.lp-cert .frame {
  width: 130px;
  height: 92px;
  border: 1px solid var(--landing-border);
  background: var(--landing-card-soft);
  position: relative;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}
.lp-cert .frame::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid color-mix(in oklab, var(--landing-accent) 35%, transparent);
}
.lp-cert .frame svg {
  width: 26px;
  height: 26px;
  stroke-width: 1.8;
  color: var(--landing-accent);
}
.lp-cert h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 4px;
}
.lp-cert p {
  font-size: 14.5px;
  color: var(--landing-fg-muted);
  margin: 0;
  max-width: 56ch;
}

/* ===== footer ===== */
.lp-footer {
  border-top: 1px solid var(--landing-border);
  padding: 48px 0 40px;
  margin-top: 24px;
}
.lp-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(auto-fit, minmax(140px, 1fr));
  gap: 32px;
}
.lp-footer h4 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--landing-fg-muted);
  font-weight: 600;
  margin: 0 0 12px;
}
.lp-footer a {
  display: block;
  font-size: 14px;
  color: var(--landing-fg-muted);
  padding: 3px 0;
}
.lp-footer a:hover {
  color: var(--landing-fg);
}
.lp-footer .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  margin-bottom: 10px;
}
.lp-footer .copy {
  font-size: 13px;
  color: var(--landing-fg-muted);
  margin-top: 12px;
}
@media (max-width: 720px) {
  .lp-footer-grid {
    grid-template-columns: 1fr;
  }
}

/* theme toggle button (prototype affordance) */
.lp-theme-btn {
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 200;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--landing-border);
  background: var(--landing-card);
  color: var(--landing-fg-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.08);
}
.lp-theme-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}