/* Calm, neutral landing page. One accent green (lime, from the course page)
   for primary actions only; everything else is neutral. */
:root {
  --text: #1f1f1c;
  --text-soft: #5c5d57;
  --bg: #ffffff;
  --bg-soft: #f7f7f3;
  --line: #e6e6df;
  --accent: #b9f24b;
  --accent-hover: #a6e035;
  --accent-ink: #11110f;
  --focus: #2f6fed;
  --font: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  /* The widget reads these. */
  --lca-font: var(--font);
  --lca-display: var(--font);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 var(--font); }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.02em; color: var(--text); }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1080px, 100% - 48px); margin-inline: auto; }
.narrow { max-width: 65ch; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 10; background: var(--text); color: #fff; padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }

/* Header */
.top { border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { white-space: nowrap; display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 700; }

/* Links and buttons */
.small-link {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px;
  font-size: 15px; color: var(--text-soft); text-decoration: underline; text-underline-offset: 4px;
  transition: color 0.15s ease;
}
.small-link:hover { color: var(--text); text-decoration-thickness: 2px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px;
  border-radius: 10px; border: 1px solid transparent; font: 600 16px/1.2 var(--font); cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 0 4px rgba(185, 242, 75, 0.35); }
.btn:active { transform: translateY(1px); }
.btn-big { min-height: 56px; padding: 0 32px; font-size: 17px; }

/* Hero */
.hero { padding: clamp(72px, 12vw, 136px) 0 clamp(56px, 9vw, 104px); text-align: center; }
.hero .narrow { margin-inline: auto; display: flex; flex-direction: column; align-items: center; }
h1 { font-size: clamp(36px, 6vw, 56px); line-height: 1.1; }
.lede { margin: 20px 0 36px; font-size: clamp(18px, 2vw, 20px); color: var(--text-soft); }
.lede.small { margin: 12px 0 28px; font-size: 17px; }
.price { margin-top: 28px; font-size: 14px; color: var(--text-soft); }

/* Sections */
.section { padding: clamp(56px, 9vw, 96px) 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(24px, 3vw, 30px); margin-bottom: 28px; }
.benefits, .points { list-style: none; margin: 0; padding: 0; }
.benefits li { display: flex; gap: 18px; align-items: flex-start; padding: 14px 0; }
.benefits h3 { font-size: 18px; margin-bottom: 4px; }
.benefits p { color: var(--text-soft); }
.icon { flex: none; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--bg-soft); color: var(--text); }
.icon svg { width: 22px; height: 22px; }
.points li { position: relative; padding: 8px 0 8px 28px; color: var(--text-soft); }
.points li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 8px; height: 8px; border-radius: 50%; background: var(--text-soft); }
.final { text-align: center; background: var(--bg-soft); }
.final .narrow { margin-inline: auto; }
.final-actions { display: flex; flex-direction: column; align-items: center; gap: 8px; }

.foot { padding: 32px 0 120px; font-size: 14px; color: var(--text-soft); }
.foot p { margin-bottom: 6px; }
.foot a { text-underline-offset: 3px; }
.foot a:hover { color: var(--text); }

@media (max-width: 520px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 40px); }
  .small-link.top-link-hide { display: none; }
  .btn-big, .final .btn { width: 100%; }
  .top-inner .small-link { font-size: 14px; }
  .top-inner .long { display: none; }
}
.short { display: none; }
@media (max-width: 520px) { .top-inner .short { display: inline; } }
@media (prefers-reduced-motion: reduce) {
  .btn, .small-link { transition: none; }
  .btn:active { transform: none; }
}