/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 1.0625rem;
  transition: background-color var(--duration-standard) var(--ease-standard),
              color var(--duration-standard) var(--ease-standard);
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.6rem); }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.2rem); margin-top: 2.5em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.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-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Buttons ---------- */
.button {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  transition: transform var(--duration-standard) var(--ease-standard),
              background-color var(--duration-standard) var(--ease-standard);
}
.button--primary { background: var(--accent); color: #fff; }
.button--primary:hover { background: var(--accent-hover); }
.button--large { padding: 1rem 2rem; font-size: 1.05rem; }
.link-button {
  background: none; border: none; color: var(--text-muted); font: inherit; cursor: pointer;
  text-decoration: underline; padding: 0;
}
.link-button:hover { color: var(--accent-text-on-dark); }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg); z-index: 50; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; padding-block: 1.1rem; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; text-decoration: none; }
.site-nav ul { list-style: none; display: flex; gap: 1.75rem; margin: 0; padding: 0; }
.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a { text-decoration: none; color: var(--text-muted); }
.site-nav a:hover { color: var(--text); }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 2.25rem; height: 2.25rem; padding: 0; position: relative;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: ""; position: absolute; left: 0.375rem; right: 0.375rem;
  height: 2px; background: var(--text); border-radius: 2px;
}
.nav-toggle__bar { top: 50%; transform: translateY(-50%); }
.nav-toggle__bar::before { top: -0.5rem; }
.nav-toggle__bar::after { top: 0.5rem; }

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; }
  .site-nav.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 1rem;
    position: absolute; top: 100%; left: 0; right: 0; background: var(--bg);
    padding: 1.5rem; border-bottom: 1px solid var(--border);
  }
  .site-nav.is-open ul { flex-direction: column; gap: 1rem; }
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 5rem; padding-block: 3rem 1.5rem; }
.site-footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; align-items: start; }
.site-footer__nav ul, .site-footer__social { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.site-footer__social { flex-direction: row; flex-wrap: wrap; gap: 1rem; }
.site-footer__nav a, .site-footer__social a { text-decoration: none; color: var(--text-muted); }
.site-footer__controls { display: flex; flex-direction: column; gap: 0.6rem; align-items: flex-start; grid-column: 1 / -1; }
.site-footer__legal { color: var(--text-muted); font-size: 0.9rem; margin-top: 2rem; }
@media (max-width: 720px) { .site-footer__inner { grid-template-columns: 1fr; } }

/* ---------- Answer box ---------- */
.answer-box {
  font-size: 1.15rem;
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  max-width: 62ch;
}

/* ---------- Hero ---------- */
.hero { padding-block: 4rem 3rem; }
.hero .kinetic { color: var(--accent-text-on-dark); }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.card {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem; text-decoration: none; color: var(--text);
  transition: transform var(--duration-standard) var(--ease-standard);
}
.card:hover { transform: translateY(-4px); }
.card-detail { font-size: 0.85rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 0.75rem; margin-top: 0.75rem; margin-bottom: 0; }
blockquote.card { margin: 0; }
blockquote.card p { font-style: italic; }
blockquote.card footer { color: var(--text-muted); font-size: 0.9rem; font-style: normal; }

/* ---------- Stats ---------- */
.stat-block, .social-proof-strip__inner {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem; text-align: center; padding-block: 2rem;
}
.stat__number { display: block; font-family: var(--font-mono); font-size: 2.2rem; font-weight: 600; color: var(--accent-text-on-dark); }
.stat__label { display: block; color: var(--text-muted); font-size: 0.95rem; }
.social-proof-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-block: 3rem; }

/* ---------- FAQ TOC ---------- */
.faq-toc ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; padding: 0; margin: 1.5rem 0 2.5rem; }
.faq-toc a { text-decoration: underline; color: var(--accent-text-on-dark); }
.faq-topic { margin-block: 2.5rem; }

/* ---------- FAQ ---------- */
.faq-block { display: flex; flex-direction: column; gap: 0.75rem; margin-block: 1.5rem; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.25rem; }
.faq-question { cursor: pointer; font-weight: 600; }
.faq-answer { margin-top: 0.75rem; color: var(--text-muted); }

/* ---------- Tables (markdown-authored comparison tables etc.) ---------- */
.prose table { width: 100%; border-collapse: collapse; margin-block: 1.5rem; }
.prose th, .prose td {
  border: 1px solid var(--border); padding: 0.75rem 1rem; text-align: left; vertical-align: top;
}
.prose th { font-family: var(--font-display); background: var(--bg-elevated); }
@media (max-width: 680px) {
  .prose table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--bg-elevated); border-radius: 20px; text-align: center;
  padding-block: 3.5rem; margin-block: 3.5rem;
}
.cta-banner__inner { max-width: 640px; margin: 0 auto; }

/* ---------- Prose (markdown body content) ---------- */
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li { margin-bottom: 0.4em; }
.eyebrow { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------- Guide list ---------- */
.guide-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.guide-list a { text-decoration: underline; color: var(--accent-text-on-dark); }

/* ---------- Contact form ---------- */
.contact-form { display: flex; flex-direction: column; gap: 0.4rem; max-width: 560px; margin-block: 2rem; }
.contact-form label { font-weight: 600; margin-top: 0.75rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; padding: 0.7rem 0.9rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text);
}
.contact-form button { margin-top: 1rem; align-self: flex-start; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form-status { padding: 1rem 1.25rem; border-radius: 10px; margin-block: 1.5rem; max-width: 560px; }
.form-status--success { background: rgba(108, 92, 231, 0.15); border: 1px solid var(--accent); }
.form-status--error { background: rgba(255, 59, 59, 0.12); border: 1px solid var(--color-yt-red); }

/* ---------- Motion: scroll reveal, gated behind reduced-motion checks ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms var(--ease-standard), transform 600ms var(--ease-standard); }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
}
:root[data-reduce-motion="true"] .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
:root[data-reduce-motion="true"] *, :root[data-reduce-motion="true"] *::before, :root[data-reduce-motion="true"] *::after {
  animation-duration: 0.001ms !important; transition-duration: 0.001ms !important;
}