/* BeanWise — shared styles for all top-level pages.
   Resource projects (sub-folders) keep their own styling. */

:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #1d2433;
  --muted: #5b6475;
  --border: #e2e6ee;
  --accent: #1f8a5b;
  --accent-dark: #176c47;
  --accent-soft: #e6f4ed;
  --badge-bg: #fff4d6;
  --badge-text: #8a5a00;
  --tag-bg: #eef1f6;
  --tag-text: #3f4859;
  --hero-grad: linear-gradient(135deg, #e6f4ed 0%, #f7f8fb 60%);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151d;
    --surface: #1a202b;
    --text: #e8ebf2;
    --muted: #a0a8b8;
    --border: #2b3240;
    --accent: #4fd49a;
    --accent-dark: #3ab884;
    --accent-soft: #1c3129;
    --badge-bg: #3a3018;
    --badge-text: #f3cf73;
    --tag-bg: #242b38;
    --tag-text: #c3cad8;
    --hero-grad: linear-gradient(135deg, #1c3129 0%, #11151d 60%);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); }

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Navigation ---------- */
header.site {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
}
.brand span { color: var(--accent); }
.brand svg { width: 26px; height: 26px; }
.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.nav a.link {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav a.link:hover,
.nav a.link:focus-visible,
.nav a.link[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
}
.nav li.cta { margin-left: 8px; }
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
}
@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .nav ul {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 12px;
  }
  .nav ul.open { display: flex; }
  .nav li.cta { margin: 8px 0 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.3;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 7px 12px; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 40px;
}
.hero.tuition {
  background: var(--hero-grad);
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 16px;
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 20px;
}
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 20px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}
.wip {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 600;
}
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-top: 8px;
}
.stats div strong {
  display: block;
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1.1;
}
.stats div span { color: var(--muted); font-size: 0.9rem; }

/* ---------- Sections ---------- */
section.group,
section.block {
  padding-top: 48px;
  scroll-margin-top: 80px;
}
section h2 {
  font-size: 1.6rem;
  margin: 0 0 6px;
}
.section-intro {
  color: var(--muted);
  margin: 0 0 20px;
  max-width: 720px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.grid.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card h3 { margin: 0; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); flex: 1; }
.card .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 1.2rem;
  font-weight: 700;
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--tag-text);
}
.card a.open { font-weight: 600; text-decoration: none; }
.card a.open:hover { text-decoration: underline; }

/* Unpublished projects: set by the script when the folder isn't live yet */
.card.soon { opacity: 0.7; }
.card.soon a.open { pointer-events: none; color: var(--muted); }
.card.soon a.open::after { content: " (coming soon)"; font-weight: 400; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.steps .card { position: relative; padding-top: 24px; }
.steps .card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -14px; left: 20px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-weight: 700; display: grid; place-items: center; font-size: 0.9rem;
}

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.price {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
}
.price.featured { border-color: var(--accent); box-shadow: 0 6px 24px rgba(31,138,91,0.12); }
.price .ribbon {
  position: absolute; top: -12px; right: 16px;
  background: var(--accent); color: #fff;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 3px 10px; border-radius: 999px;
}
.price h3 { margin: 0; font-size: 1.15rem; }
.price .amount { font-size: 2.2rem; font-weight: 700; line-height: 1; }
.price .amount small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price .was { color: var(--muted); text-decoration: line-through; font-size: 1rem; margin-right: 6px; font-weight: 500; }
.price .per { color: var(--muted); font-size: 0.95rem; }
.price ul { margin: 6px 0 10px; padding-left: 0; list-style: none; color: var(--muted); flex: 1; }
.price ul li { padding: 3px 0 3px 22px; position: relative; }
.price ul li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ---------- Panels, FAQ, forms ---------- */
.panel {
  margin: 48px 0 0;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.panel h2 { margin: 0 0 12px; font-size: 1.3rem; }
.panel p { margin: 0 0 12px; color: var(--muted); }
.panel p:last-child { margin-bottom: 0; }
.panel.cta {
  text-align: center;
  background: var(--accent-soft);
  border-color: transparent;
}
.panel.cta h2 { font-size: 1.6rem; }
.panel.cta .actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 16px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .two-col { grid-template-columns: 1fr; } }

details.faq {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
details.faq summary { font-weight: 600; cursor: pointer; }
details.faq p { margin: 10px 0 0; color: var(--muted); }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 6px 0 6px 26px; position: relative; color: var(--muted); }
.checklist li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

form.contact label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: 0.95rem; }
form.contact input, form.contact textarea, form.contact select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
form.contact input:focus, form.contact textarea:focus, form.contact select:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
form.contact button { margin-top: 18px; }

.notice {
  margin: 20px 0 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */
footer.site {
  margin-top: 56px;
  border-top: 1px solid var(--border);
  padding: 32px 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
}
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; margin-bottom: 20px; }
@media (max-width: 760px) { footer.site .cols { grid-template-columns: 1fr; } }
footer.site h4 { margin: 0 0 8px; color: var(--text); font-size: 0.95rem; }
footer.site ul { list-style: none; margin: 0; padding: 0; }
footer.site li { margin: 4px 0; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--accent); }
footer.site .legal { border-top: 1px solid var(--border); padding-top: 16px; }

/* ---------- Bean-teacher hero (index) ---------- */
:root { --hero-bean-bg: #e1e4e9; --hero-bean-text: #1f2a44; --hero-bean-muted: #3b4660; }
@media (prefers-color-scheme: dark) {
  :root { --hero-bean-bg: #1a202b; --hero-bean-text: var(--text); --hero-bean-muted: var(--muted); }
}
.hero.hero-bean { background: var(--hero-bean-bg); color: var(--hero-bean-text); padding: 40px 0; overflow: hidden; }
.hero-bean .lead, .hero-bean .launch, .hero-bean .stats div span { color: var(--hero-bean-muted); }
.hero-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 24px; align-items: center; }
.hero-bean .launch { margin: 0 0 20px; }
.hero-art img {
  display: block; width: 100%; height: auto;
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at center, #000 70%, transparent 100%);
          mask-image: radial-gradient(ellipse 75% 75% at center, #000 70%, transparent 100%);
}
@media (prefers-color-scheme: dark) {
  /* The artwork has a light background: frame it rather than fading it into the dark page. */
  .hero-art img { -webkit-mask-image: none; mask-image: none; border-radius: 14px; }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
}

/* ---------- Lesson videos ---------- */
.card.media { padding: 0; overflow: hidden; }
.card.media .body { padding: 16px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.lesson-video { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; background: #fff; }
.lesson-video.dark { background: #0f1729; }
.card .kicker { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.card h4 { margin: 0; font-size: 1rem; }
.subhead { font-size: 1.25rem; margin: 36px 0 14px; }
.level { margin-top: 28px; }
.level h3 { font-size: 1.25rem; margin: 0 0 10px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.level .years { font-size: 0.8rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.level small { font-size: 0.85rem; font-weight: 400; color: var(--muted); }
.chips { margin-bottom: 16px; }
.chips .tag { font-size: 0.85rem; font-weight: 500; padding: 4px 12px; border: 1px solid var(--border); background: var(--surface); text-decoration: none; }
.chips a.tag { color: var(--accent); }
.chips a.tag:hover { border-color: var(--accent); }

/* Brand icon */
.brand img { width: 32px; height: 32px; border-radius: 50%; }
/* Tools: three across, then two wider cards (as on the original tuition site) */
.grid.tools { grid-template-columns: repeat(6, 1fr); }
.grid.tools > :nth-child(-n+3) { grid-column: span 2; }
.grid.tools > :nth-child(n+4) { grid-column: span 3; }
@media (max-width: 900px) {
  .grid.tools { grid-template-columns: repeat(2, 1fr); }
  .grid.tools > * { grid-column: span 1 !important; }
}
@media (max-width: 560px) { .grid.tools { grid-template-columns: 1fr; } }

/* ---------- Courses, Maths and Resources pages ---------- */
p.lead { font-size: 1.1rem; color: var(--muted); max-width: 720px; margin: 0 0 16px; }
.price-grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.price h4 { margin: 0; font-size: 1.15rem; }
.price .amount { font-size: 1.9rem; }
.card.build { margin-top: 24px; border-style: dashed; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 8px 24px; }
.section-head .all { font-weight: 600; text-decoration: none; margin-bottom: 20px; white-space: nowrap; }
.grid.quick { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
a.card.lib { color: inherit; text-decoration: none; transition: border-color .15s, box-shadow .15s; }
a.card.lib:hover, a.card.lib:focus-visible { border-color: var(--accent); box-shadow: 0 4px 16px rgba(0,0,0,.06); }
a.card.lib h3, a.card.lib h4 { color: var(--text); }
.badge { align-self: flex-start; font-size: 0.75rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; }
.badge.free { background: var(--accent-soft); color: var(--accent); }
.badge.members { background: var(--tag-bg); color: var(--tag-text); }