/* ShuleYetu brand tokens: from the ShuleYetu Logo Kit (Pixel Leaf) */
:root {
  /* Brand palette */
  --jungle: #1B4332;      /* primary: logo tile, "Shule" */
  --leaf: #2D6A4F;        /* secondary green, hover states */
  --deep: #0F2A1D;        /* darkest green: text and dark sections */
  --red: #C1121F;         /* accent: "Yetu", pixel leaf; use sparingly */
  --pale: #D8E6D3;        /* pale green surfaces */
  --pale-2: #CFE3C9;      /* pale green text on dark */

  /* Roles */
  --ink: var(--deep);
  --brand: var(--jungle);
  --brand-hover: var(--leaf);
  --bg: #F5F8F3;          /* off-white with a green tint */
  --paper: #FFFFFF;
  --muted: #4A5A50;       /* logo tagline grey-green */
  --line: #DDE7D9;
  --red-tint: #FBE9EA;

  --radius: 16px;         /* echoes the logo tile's rounded corners */
  --radius-sm: 10px;
  --shadow: 0 24px 50px -24px rgba(15, 42, 29, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 800; line-height: 1.12; letter-spacing: -.025em; margin: 0 0 .6em; color: var(--jungle); }
h1 { font-size: clamp(2.4rem, 5.2vw, 3.8rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
a { color: var(--brand); }
img { max-width: 100%; height: auto; }
section { padding: 88px 0; }
.accent { color: var(--red); }

.container { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }
.center { text-align: center; }
.muted { color: var(--muted); margin-top: -.5em; }

/* Eyebrow: tracked bold caps like the logo tagline, with a leaf pixel */
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 700;
  color: var(--leaf); margin: 0 0 1rem;
}
.eyebrow::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 2px; background: var(--red); }
.eyebrow.center { justify-content: center; }

/* Pixel bullet: shared by every checklist */
.tab-panel li::before, .curr-grid li::before, .price-extras li::before, .price li::before {
  content: ""; display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 2px;
  background: var(--red); margin: .55em 12px 0 0;
}
.tab-panel li, .curr-grid li, .price-extras li, .price li { display: flex; align-items: flex-start; }

/* Buttons */
.btn {
  display: inline-block; padding: 14px 24px; border-radius: var(--radius-sm);
  text-decoration: none; border: 2px solid transparent;
  cursor: pointer; font: inherit; font-weight: 700; letter-spacing: -.005em;
  transition: transform .15s, background .15s, border-color .15s, color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-ghost { border-color: var(--jungle); color: var(--jungle); background: transparent; }
.btn-ghost:hover { background: var(--jungle); color: #fff; }
.btn-sm { padding: 9px 18px; font-size: .92rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(245, 248, 243, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.logo img { width: 36px; height: 36px; display: block; }
.wordmark { font-weight: 800; font-size: 1.4rem; letter-spacing: -.03em; color: var(--jungle); }
.wordmark span { color: var(--red); }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: var(--leaf); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--jungle); }

/* Hero */
.hero { padding: 72px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 20px; }
.hero-proof { font-size: .9rem; color: var(--muted); }

/* Product mock */
.mock { position: relative; background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.mock-bar span { width: 10px; height: 10px; border-radius: 3px; background: var(--line); }
.mock-bar em { margin-left: 10px; font-size: .75rem; color: var(--muted); font-style: normal; }
.mock-body { display: flex; min-height: 300px; }
.mock-side { width: 52px; background: var(--jungle); border-bottom-left-radius: var(--radius); padding: 16px 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.mock-side i { width: 22px; height: 22px; border-radius: 6px; background: rgba(255,255,255,.14); }
.mock-side i.on { background: var(--red); }
.mock-main { flex: 1; padding: 16px; display: grid; gap: 12px; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-stats div { background: var(--bg); border-radius: var(--radius-sm); padding: 10px; }
.mock-stats small, .mock-card small { display: block; font-size: .68rem; color: var(--muted); }
.mock-stats b { font-weight: 800; font-size: 1.4rem; letter-spacing: -.02em; color: var(--jungle); }
.mock-card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.mock-row { display: flex; justify-content: space-between; font-size: .8rem; padding: 6px 0; border-top: 1px dashed var(--line); }
.mock-row:first-of-type { border-top: 0; }
.mock-row em { font-style: normal; font-weight: 700; font-size: .72rem; padding: 2px 8px; border-radius: 6px; }
.mock-row .ok { background: var(--pale); color: var(--jungle); }
.mock-row .wait { background: var(--red-tint); color: var(--red); }
.mock-chart { display: flex; align-items: flex-end; gap: 8px; height: 70px; padding: 0 4px; }
.mock-chart i { flex: 1; height: var(--h); background: var(--leaf); border-radius: 5px 5px 2px 2px; }
.mock-chart i:last-child { background: var(--red); }
.mock-toast { position: absolute; right: -18px; bottom: -22px; background: var(--deep); color: #fff; font-size: .82rem; padding: 12px 16px; border-radius: 12px; box-shadow: var(--shadow); animation: float 4s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-6px); } }
@media (prefers-reduced-motion: reduce) { .mock-toast { animation: none; } html { scroll-behavior: auto; } }

/* Problem */
.problem { background: var(--deep); color: var(--pale-2); padding: 64px 0; }
.problem h2 { color: #fff; }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.problem-grid > div { border-top: 3px solid var(--red); padding-top: 16px; }
.problem-grid b { display: block; color: #fff; font-size: 1.05rem; margin-bottom: 4px; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.feature-grid article { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .15s, transform .15s; }
.feature-grid article:hover { border-color: var(--leaf); transform: translateY(-2px); }
.feature-grid p { color: var(--muted); margin: 0; font-size: .96rem; }
.ficon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--pale); font-size: 1.4rem; margin-bottom: 16px; }
.feature-more { text-align: center; color: var(--muted); font-size: .92rem; margin-top: 32px; }

/* Curricula */
.curricula { background: var(--bg); }
.curr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.curr-grid article { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.curr-tag { display: inline-block; background: var(--jungle); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 5px 12px; border-radius: 6px; margin-bottom: 14px; }
.curr-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--muted); font-size: .96rem; }

/* Roles */
.roles { background: var(--paper); }
.tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 32px 0; }
.tabs button { font: inherit; font-weight: 600; padding: 10px 20px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg); color: var(--ink); cursor: pointer; }
.tabs button:hover { border-color: var(--leaf); }
.tabs button[aria-selected="true"] { background: var(--jungle); color: #fff; border-color: var(--jungle); }
.tab-panel { max-width: 720px; margin: 0 auto; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 36px; }
.tab-panel ul { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 10px; }

/* Proof */
.proof { padding: 72px 0; }
.proof-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
blockquote { margin: 0; font-size: 1.45rem; font-weight: 600; letter-spacing: -.015em; line-height: 1.45; color: var(--jungle); border-left: 4px solid var(--red); padding-left: 24px; }
cite { display: block; font-style: normal; font-weight: 400; font-size: .85rem; letter-spacing: 0; color: var(--muted); margin-top: 16px; }
.proof-stats { display: grid; gap: 18px; }
.proof-stats div { display: flex; align-items: baseline; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.proof-stats b { font-weight: 800; font-size: 2rem; letter-spacing: -.03em; color: var(--jungle); min-width: 3.5em; }
.proof-stats span { color: var(--muted); }

/* Steps */
.steps { background: var(--paper); }
.step-grid { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-grid li { counter-increment: step; padding-top: 18px; border-top: 3px solid var(--jungle); }
.step-grid li:last-child { border-top-color: var(--red); }
.step-grid li::before { content: "0" counter(step); font-size: .8rem; letter-spacing: .14em; color: var(--red); font-weight: 800; display: block; }
.step-grid b { display: block; margin: 6px 0; font-size: 1.05rem; color: var(--jungle); }
.step-grid span { color: var(--muted); font-size: .94rem; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; align-items: start; }
.price { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; }
.price.featured { border: 2px solid var(--jungle); box-shadow: var(--shadow); }
.badge { position: absolute; top: -13px; left: 30px; background: var(--red); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 12px; border-radius: 6px; }
.amount { font-weight: 800; letter-spacing: -.03em; color: var(--jungle); margin: 0 0 16px; }
.amount small { font-size: .85rem; font-weight: 500; letter-spacing: 0; color: var(--muted); margin-left: 4px; }
.price ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 8px; }
.price .btn { text-align: center; margin-top: auto; }
.band { color: var(--muted); font-size: .92rem; margin: -6px 0 14px; }
.price .amount { font-size: 1.7rem; margin-bottom: 4px; }
.per-term { color: var(--muted); font-size: .88rem; margin: 0 0 24px; }
.price-extras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px; padding: 30px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.price-extras h3 { font-size: 1.05rem; color: var(--jungle); }
.price-extras p { margin: 0 0 12px; font-size: .94rem; }
.price-extras ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: .94rem; }

/* FAQ */
.faq { background: var(--paper); }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary:hover { color: var(--leaf); }
summary::after { content: "+"; color: var(--red); font-size: 1.4rem; font-weight: 700; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Demo */
.demo { background: var(--jungle); color: var(--pale-2); }
.demo h2 { color: #fff; }
.demo a { color: #fff; text-underline-offset: 3px; }
.demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-lines { margin-top: 24px; line-height: 2; }
.form { background: var(--paper); color: var(--ink); border-radius: var(--radius); padding: 28px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.form label { display: grid; gap: 6px; font-size: .88rem; font-weight: 600; }
.form input, .form select { font: inherit; font-weight: 400; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); color: var(--ink); }
.form input:focus, .form select:focus { outline: 2px solid var(--jungle); outline-offset: 1px; }
.form input.invalid { border-color: var(--red); background: var(--red-tint); }
.form-note { margin: 0; font-size: .85rem; color: var(--muted); }

/* Footer */
.footer { background: var(--deep); color: var(--pale-2); padding: 48px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-logo { display: inline-block; }
.footer-logo img { display: block; width: 264px; }
.footer p { margin: 10px 0 0; font-size: .9rem; }
.footer a { color: #fff; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .proof-inner, .demo-grid, .price-extras { grid-template-columns: 1fr; }
  .feature-grid, .price-grid { grid-template-columns: 1fr 1fr; }
  .step-grid { grid-template-columns: 1fr 1fr; }
  .mock-toast { right: 8px; }
}
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-cta { display: none; }
  .problem-grid, .feature-grid, .price-grid, .step-grid, .curr-grid { grid-template-columns: 1fr; }
  .mock-stats b { font-size: 1.1rem; }
  .tab-panel { padding: 24px; }
  blockquote { font-size: 1.25rem; }
  .footer-logo img { width: 200px; }
}