/* Lamb Learning Academy — warm ivory, charcoal, restrained blue and green. */
:root {
  --bg: #FAF7F0;
  --surface: #FFFFFF;
  --surface-2: #F3EEE3;
  --ink: #23211E;
  --ink-2: #4F4C46;
  --ink-3: #6B675F;
  --rule: #E4DDCF;
  --blue: #1F5F8B;
  --blue-ink: #FFFFFF;
  --green: #2F6B4F;
  --green-soft: #E3EFE7;
  --amber-soft: #F6EBD3;
  --amber-ink: #6A4A12;
  --focus: #1F5F8B;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(35, 33, 30, .06), 0 4px 16px rgba(35, 33, 30, .05);
  --max: 72rem;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1B1A18; --surface: #252422; --surface-2: #2D2B28; --ink: #EDEAE3; --ink-2: #CFCAC0; --ink-3: #ADA89D;
    --rule: #3A3835; --blue: #8CC4E8; --blue-ink: #10202B; --green: #8FCFAE; --green-soft: #1E3328;
    --amber-soft: #3A2F18; --amber-ink: #F0D49A; --focus: #8CC4E8; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1B1A18; --surface: #252422; --surface-2: #2D2B28; --ink: #EDEAE3; --ink-2: #CFCAC0; --ink-3: #ADA89D;
  --rule: #3A3835; --blue: #8CC4E8; --blue-ink: #10202B; --green: #8FCFAE; --green-soft: #1E3328;
  --amber-soft: #3A2F18; --amber-ink: #F0D49A; --focus: #8CC4E8; --shadow: none; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 var(--sans); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; letter-spacing: -.01em; color: var(--ink); }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0 0 .6rem; }
h2 { font-size: clamp(1.45rem, 3vw, 1.9rem); margin: 2.4rem 0 .8rem; }
h3 { font-size: 1.2rem; margin: 0 0 .4rem; }
p { margin: 0 0 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -100px; background: var(--surface); padding: .6rem 1rem; border-radius: 8px; z-index: 10; }
.skip:focus { top: 12px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

/* header */
.site-header { border-bottom: 1px solid var(--rule); background: var(--surface); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-family: var(--serif); font-weight: 600; font-size: 1.15rem; }
.brand svg { color: var(--blue); flex: none; }
.nav { display: flex; flex-wrap: wrap; gap: .25rem .9rem; margin: 0; padding: .4rem 0; list-style: none; font-size: .95rem; }
.nav a { color: var(--ink-2); text-decoration: none; padding: .35rem .1rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }

/* hero */
.hero { padding: 3.2rem 0 2.4rem; }
.hero .lead { font-size: 1.15rem; color: var(--ink-2); max-width: 40rem; }
.eyebrow { font-size: .8rem; letter-spacing: .09em; text-transform: uppercase; color: var(--green); font-weight: 600; margin: 0 0 .6rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 44px; padding: .6rem 1.15rem; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--blue); color: var(--blue); background: transparent; font: inherit; font-weight: 600; cursor: pointer; }
.btn-primary { background: var(--blue); color: var(--blue-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn[aria-disabled="true"] { border-color: var(--rule); color: var(--ink-3); background: var(--surface-2); cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.4rem; }
button.link { background: none; border: 0; padding: 0; color: var(--blue); font: inherit; text-decoration: underline; cursor: pointer; }

/* categories */
.cat-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); padding: 0; margin: 0; list-style: none; }
.cat { display: block; height: 100%; padding: 1.1rem 1.2rem; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); text-decoration: none; color: var(--ink); }
.cat:hover { border-color: var(--blue); }
.cat strong { display: block; font-family: var(--serif); font-size: 1.08rem; margin-bottom: .25rem; }
.cat span { color: var(--ink-2); font-size: .95rem; }
.cat .count { display: block; margin-top: .5rem; font-size: .85rem; color: var(--ink-3); }

/* cards */
.cards { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); list-style: none; padding: 0; margin: 0; }
.cards > li { display: flex; }
.card { display: flex; flex-direction: column; width: 100%; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.card-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--surface-2); }
.card-body { padding: 1rem 1.15rem .4rem; flex: 1; }
.card-cat { font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; color: var(--green); font-weight: 600; margin-bottom: .35rem; }
.card-title { font-size: 1.15rem; margin: 0 0 .45rem; overflow-wrap: anywhere; }
.card-title a { color: var(--ink); text-decoration: none; }
.card-title a:hover { text-decoration: underline; }
.card-summary { color: var(--ink-2); font-size: .95rem; }
.card-meta { color: var(--ink-3); font-size: .88rem; margin-bottom: .6rem; }
.card-foot { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin: 0 0 .6rem; }
.card-cta { margin: 0 1.15rem 1.1rem; align-self: flex-start; min-height: 44px; display: inline-flex; align-items: center; padding: .5rem 1rem; border: 1.5px solid var(--blue); border-radius: 10px; font-weight: 600; text-decoration: none; }
.badge { display: inline-block; font-size: .8rem; font-weight: 600; padding: .15rem .55rem; border-radius: 999px; }
.badge-open { background: var(--green-soft); color: var(--green); }
.badge-soon, .badge-closed { background: var(--amber-soft); color: var(--amber-ink); }
.price { font-weight: 700; }

/* catalogue controls */
.controls { display: grid; gap: .8rem; grid-template-columns: 1fr; align-items: end; padding: 1rem; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); margin: 1.2rem 0; }
@media (min-width: 760px) { .controls { grid-template-columns: 2fr 1fr 1fr auto; } }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: .3rem; }
.field input, .field select { width: 100%; min-height: 44px; padding: .5rem .7rem; border: 1.5px solid var(--rule); border-radius: 9px; background: var(--bg); color: var(--ink); font: inherit; }
.field input:focus-visible, .field select:focus-visible { border-color: var(--focus); }
.results-status { color: var(--ink-2); margin: 0 0 1rem; min-height: 1.6em; }
.more-row { text-align: center; margin: 1.8rem 0 0; }

/* course page */
.course-hero { padding: 2.4rem 0 1.6rem; border-bottom: 1px solid var(--rule); background: var(--surface); }
.course-hero .wrap { display: grid; gap: 1.8rem; }
@media (min-width: 900px) { .course-hero .wrap { grid-template-columns: 1.6fr 1fr; align-items: start; } }
.crumbs { font-size: .9rem; color: var(--ink-3); margin-bottom: .8rem; }
.crumbs a { color: var(--ink-2); }
.facts { margin: 0; padding: 1.1rem 1.2rem; background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius); }
.facts dt { font-size: .82rem; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
.facts dd { margin: 0 0 .8rem; }
.facts dd:last-child { margin-bottom: 0; }
.course-body { display: grid; gap: 2rem; padding: 1rem 0 3rem; }
@media (min-width: 900px) { .course-body { grid-template-columns: 1.6fr 1fr; } }
.prose { max-width: 44rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }
details.module { border: 1px solid var(--rule); border-radius: 10px; background: var(--surface); margin-bottom: .6rem; }
details.module summary { cursor: pointer; padding: .8rem 1rem; font-weight: 600; min-height: 44px; }
details.module p { padding: 0 1rem .9rem; margin: 0; color: var(--ink-2); }
.aside-box { padding: 1.1rem 1.2rem; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); margin-bottom: 1rem; }
.aside-box h2 { font-size: 1.1rem; margin: 0 0 .6rem; }
.note { font-size: .92rem; color: var(--ink-2); }
.disclaimer { font-size: .92rem; color: var(--ink-2); border-left: 3px solid var(--rule); padding-left: .9rem; }

/* footer */
.site-footer { border-top: 1px solid var(--rule); background: var(--surface); margin-top: 3rem; padding: 2rem 0; font-size: .92rem; color: var(--ink-2); }
.site-footer .wrap { display: grid; gap: 1rem; }
@media (min-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr auto; align-items: start; } }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .3rem 1rem; }
.site-footer a { color: var(--ink-2); }
.credits { margin: 0; }
section { scroll-margin-top: 1rem; }
main:focus { outline: none; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }