/* Discovery surfaces share the existing branding and light/dark theme tokens. */
.ui-icon { width: 1.3rem; height: 1.3rem; flex-shrink: 0; vertical-align: middle; }
.discovery-header .nav-shell { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .75rem; padding-block: .85rem; min-height: 0; }
.discovery-header .brand { max-width: none; font-size: 1.2rem; }
.discovery-header .brand-logo { height: 40px; max-width: 100px; }
.discovery-header .nav-actions { order: initial; margin: 0; }
.header-search { grid-column: 1 / -1; display: flex; min-width: 0; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.header-search:focus-within { outline: 3px solid var(--color-links); outline-offset: 2px; }
.header-search input { min-width: 0; border: 0; box-shadow: none; font-size: .85rem; min-height: 44px; }
.header-search input:focus-visible { outline: none!important; box-shadow: none; }
.header-search button { display: grid; place-items: center; flex-shrink: 0; width: 46px; border: 0; background: var(--color-surface); color: var(--color-links); }
.header-search button:hover { background: var(--color-background-secondary); }
.discovery-header .nav-links { grid-column: 1 / -1; margin: 0; gap: .35rem; }
.discovery-header .nav-links>a { padding: .6rem .85rem; font-size: .85rem; }
.discovery-header .nav-links>a.btn { color: var(--on-buttons); }
.landing-home { background: var(--color-background); color: var(--color-text); }
.landing-hero { background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.landing-hero-grid { display: grid; gap: 2rem; padding-block: 2.5rem; }
.landing-intro { min-width: 0; }
.landing-kicker { display: flex; align-items: center; gap: .6rem; color: var(--color-links); font-size: .78rem; font-weight: 650; margin-bottom: 1.1rem; }
.landing-kicker>span { width: .5rem; height: .5rem; background: currentColor; border-radius: 50%; flex-shrink: 0; }
.landing-intro h1 { font-size: clamp(2rem,4.1vw,3.5rem); line-height: 1.1; letter-spacing: -.045em; font-weight: 750; max-width: 15ch; margin-bottom: 1.25rem; }
.landing-description { color: var(--color-muted); line-height: 1.75; font-size: 1rem; max-width: 52ch; margin-bottom: 1.5rem; }
.landing-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }
.landing-actions .btn { font-size: .92rem; padding: .8rem 1.2rem; }
.landing-search { margin-top: 1.8rem; max-width: 34rem; }
.landing-search label { font-size: .82rem; display: block; margin-bottom: .55rem; }
.landing-search>div { display: flex; align-items: center; gap: .6rem; border: 1px solid var(--color-border); background: var(--color-background); border-radius: .75rem; padding: .4rem; padding-left: .8rem; }
.landing-search>div:focus-within { border-color: var(--color-links); box-shadow: 0 0 0 3px color-mix(in srgb,var(--color-links) 18%,transparent); }
.landing-search input { flex: 1; min-width: 0; width: 100%; background: transparent; color: var(--color-text); border: 0; min-height: 44px; font-size: .85rem; }
.landing-search input::placeholder { color: var(--color-muted); opacity: 1; }
.landing-search input:focus-visible { outline-offset: -1px; }
.landing-search .ui-icon { color: var(--color-muted); }
.landing-note { display: flex; align-items: center; gap: .5rem; margin: 1.1rem 0 0; color: var(--color-muted); font-size: .78rem; }
.landing-note .ui-icon { color: var(--color-success); width: 1rem; }
.landing-hero-media { align-self: center; }
.landing-hero-media img { width: 100%; height: auto; max-height: 480px; object-fit: contain; border-radius: 1.25rem; }
.learning-scene { position: relative; align-self: center; min-width: 0; padding: 1.5rem; border-radius: 1.25rem; background: var(--color-primary); color: var(--on-primary); box-shadow: var(--shadow-md); }
.scene-heading { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.75rem; font-size: .61rem; font-weight: 650; letter-spacing: .08em; }
.scene-heading small { display: block; font-size: .76rem; letter-spacing: 0; font-weight: 400; margin-top: .15rem; }
.scene-mark { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid currentColor; border-radius: .75rem; flex-shrink: 0; }
.scene-course { background: var(--color-surface); color: var(--color-text); border-radius: 1rem; overflow: hidden; box-shadow: 0 15px 30px #0002; }
.scene-cover { background: var(--color-background-secondary); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: .65rem; min-height: 135px; padding: 1rem; color: var(--color-links); font-size: .75rem; }
.scene-cover .ui-icon { width: 3.3rem; height: 3.3rem; stroke-width: 1.2; }
.scene-body { padding: 1.25rem; }
.scene-label { font-size: .6rem; letter-spacing: .08em; color: var(--color-muted); }
.scene-body>strong { display: block; font-size: 1.4rem; line-height: 1.3; margin: .65rem 0 1.25rem; letter-spacing: -.025em; }
.scene-route { display: flex; justify-content: space-between; gap: .4rem; border-top: 1px solid var(--color-border); padding-top: 1rem; color: var(--color-muted); font-size: .65rem; }
.scene-route span { display: flex; align-items: center; gap: .3rem; }
.scene-route .ui-icon { width: 1rem; height: 1rem; color: var(--color-links); }
.scene-caption { display: flex; align-items: center; gap: .75rem; font-size: .8rem; margin-top: 1.3rem; }
.scene-caption>.ui-icon:last-child { margin-left: auto; }
.landing-section { padding-block: 2.5rem; scroll-margin-top: 1.5rem; }
.landing-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.landing-section h2 { font-size: clamp(1.5rem,2.5vw,2rem); font-weight: 700; margin-bottom: .5rem; }
.landing-section-heading p:not(.eyebrow),.landing-faq>div>p:not(.eyebrow) { color: var(--color-muted); margin: .6rem 0 0; font-size: .92rem; }
.landing-text-link { display: inline-flex; align-items: center; min-height: 44px; gap: .5rem; font-size: .88rem; font-weight: 650; text-decoration: none; }
.category-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: .85rem; }
.category-tile { display: flex; align-items: center; gap: .85rem; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: .85rem; padding: 1.15rem; text-decoration: none; color: var(--color-text); transition: border-color .2s, box-shadow .2s; }
.category-symbol { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: .7rem; color: var(--color-links); background: var(--color-background-secondary); }
.category-tile strong { display: block; font-size: .92rem; }
.category-tile small { display: block; color: var(--color-muted); font-size: .75rem; margin-top: .2rem; }
.category-tile>.ui-icon { margin-left: auto; width: 1rem; color: var(--color-links); }
.category-tile:hover { color: var(--color-text); text-decoration: none; border-color: var(--color-links); box-shadow: var(--shadow-sm); }
.discovery-course { position: relative; }
.discovery-course .card-body { padding: 1.25rem; }
.discovery-course h3 { font-size: 1.17rem; line-height: 1.4; letter-spacing: -.015em; margin-bottom: .6rem; }
.course-card-link::after { border-radius: var(--radius-lg); }
.course-card-link:focus-visible { outline: none!important; }
.course-card-link:focus-visible::after { outline: 3px solid var(--color-links); outline-offset: 4px; }
.course-category { color: var(--color-links); font-size: .72rem; font-weight: 650; margin-bottom: .7rem; }
.course-instructor { font-size: .83rem; color: var(--color-muted); margin-bottom: .8rem; }
.course-rating { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; font-size: .73rem; margin-bottom: .7rem; }
.course-rating .rating-stars { color: var(--color-warning); font-size: 1rem; letter-spacing: .06em; }
.course-facts { display: flex; gap: .8rem; flex-wrap: wrap; color: var(--color-muted); font-size: .75rem; padding-bottom: 1.15rem; }
.course-facts span { display: inline-flex; gap: .35rem; align-items: center; }
.course-facts .ui-icon { width: 1rem; height: 1rem; }
.course-card-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .75rem; border-top: 1px solid var(--color-border); padding-top: 1rem; margin-top: auto; }
.course-card-bottom>strong { font-size: 1rem; }
.course-more { display: inline-flex; align-items: center; gap: .4rem; padding: .45rem .7rem; border-radius: .5rem; background: var(--color-background-secondary); color: var(--color-links); font-weight: 600; font-size: .8rem; }
.course-more .ui-icon { width: 1rem; }
.landing-benefits { background: var(--color-surface); border-block: 1px solid var(--color-border); }
.benefit-grid { display: grid; gap: 1.75rem; }
.benefit-item h3 { font-size: 1.05rem; margin: 1rem 0 .65rem; }
.benefit-item p { font-size: .88rem; color: var(--color-muted); margin-bottom: 0; }
.landing-empty { border: 1px dashed var(--color-border); background: var(--color-surface); border-radius: 1rem; padding: 2rem; }
.landing-empty p { color: var(--color-muted); }
.instructor-grid { display: grid; gap: 1rem; }
.instructor-tile { display: flex; flex-direction: column; gap: .9rem; padding: 1.5rem; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 1rem; text-decoration: none; color: var(--color-text); }
.instructor-tile>span:last-child { color: var(--color-links); font-size: .85rem; }
.landing-faq { display: grid; gap: 1rem; }
.landing-faq details { margin-top: 0; padding: .75rem 1rem; }
.landing-faq summary { min-height: 44px; font-size: .92rem; }
.landing-faq details p { color: var(--color-muted); padding: .5rem .4rem; margin-bottom: 0; font-size: .9rem; }
.landing-cta { display: flex; flex-direction: column; gap: 1.5rem; border-radius: 1.25rem; background: var(--color-primary); color: var(--on-primary); padding: 2rem 1.5rem; }
.landing-cta .eyebrow,.landing-cta p { color: inherit; }
.landing-cta h2 { font-size: clamp(1.65rem,3vw,2.25rem); }
.landing-cta p:not(.eyebrow) { max-width: 48ch; margin: .75rem 0 0; font-size: .95rem; }
.landing-cta .landing-actions { align-items: flex-start; }
.cta-secondary { color: inherit; display: inline-flex; align-items: center; min-height: 48px; padding: .5rem; text-underline-offset: .25rem; font-size: .92rem; font-weight: 600; }
.cta-secondary:hover { color: inherit; }
.landing-motion { display: flex; justify-content: flex-end; padding-bottom: 1rem; }
.landing-motion .motion-toggle { font-size: .7rem; background: transparent; border-color: var(--color-border); color: var(--color-muted); min-height: 44px; }
.discovery-footer { border-top: 0; }
.footer-columns { display: grid; grid-template-columns: minmax(0,1fr); gap: 2rem; padding-block: 3rem; }
.footer-columns>*,.footer-columns nav { min-width: 0; }
.footer-columns h2 { color: var(--on-footer); font-size: .9rem; margin-bottom: .9rem; }
.footer-columns a:not(.footer-brand) { display: block; text-decoration: none; font-size: .83rem; padding-block: .45rem; }
.footer-columns a:hover { text-decoration: underline; }
.footer-columns p { font-size: .82rem; line-height: 1.7; margin: .5rem 0 0; }
.footer-columns .footer-brand { font-size: 1.4rem; }
.footer-social { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }
.footer-columns .footer-email { overflow-wrap: anywhere; }
.discovery-footer .footer-bottom { border-color: color-mix(in srgb,var(--on-footer) 20%,transparent); }
@media(min-width:576px) {
  .category-grid,.benefit-grid,.instructor-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-columns { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .landing-hero-grid { padding-block: 3rem; }
  .learning-scene { max-width: 470px; width: 100%; justify-self: center; padding: 2rem; }
}
@media(min-width:992px) {
  .discovery-header .nav-shell { grid-template-columns: auto minmax(12rem,1fr) auto; column-gap: 2.5rem; }
  .discovery-header .brand { grid-column: 1; grid-row: 1; }
  .header-search { grid-column: 2; grid-row: 1; max-width: 32rem; width: 100%; justify-self: center; }
  .discovery-header .nav-actions { grid-column: 3; grid-row: 1; }
  .discovery-header .nav-links { display: flex; order: initial; justify-content: center; border-top: 1px solid var(--color-border); padding-top: .6rem; }
  .landing-hero-grid { grid-template-columns: 1.15fr 1fr; align-items: center; gap: 3.5rem; padding-block: 3.5rem; }
  .landing-section { padding-block: 3rem; }
  .category-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .benefit-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 2rem; }
  .instructor-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .landing-faq { grid-template-columns: 1fr 1.5fr; gap: 4rem; }
  .landing-cta { flex-direction: row; justify-content: space-between; align-items: center; padding: 3rem; }
  .landing-cta .landing-actions { flex-direction: column; flex-shrink: 0; }
  .footer-columns { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; }
}
@media(max-width:575px) {
  .discovery-header .brand { font-size: .95rem; gap: .4rem; }
  .discovery-header .brand-logo { max-width: 40px; height: 34px; }
  .discovery-header .nav-actions .btn { padding-inline: .5rem; font-size: .75rem; }
  .landing-actions>.btn { width: 100%; }
  .landing-search>div>.ui-icon { display: none; }
  .landing-search>div { padding-left: .65rem; }
  .learning-scene { padding: 1.25rem; }
  .scene-route { flex-wrap: wrap; }
  .footer-columns a:not(.footer-brand) { min-height: 44px; }
}
@media(prefers-reduced-motion:no-preference) {
  .landing-home.motion-enabled .home-reveal { transition: opacity .3s ease, transform .3s ease; }
  .landing-home.motion-enabled .home-reveal:not(.is-visible):not(:focus-within) { opacity: 0; transform: translateY(8px); }
  .landing-home.motion-paused .home-reveal { opacity: 1!important; transform: none!important; transition: none; }
}