/**
 * StudyMate — shared marketing / public-page styling.
 *
 * Used by the public, unauthenticated pages: WelcomePage, For Schools, Help,
 * the policy pages (Terms, Privacy, Acceptable Use, AI Safety) and the branded
 * 404. Keeps a single visual language (logo hues on a light surface) so every
 * public route looks like the same product. App/dashboard pages keep using
 * studymate-tokens.css / studymate-app.css.
 */

:root {
  /* Logo hues (match studymate-tokens.css logo colors) */
  --mk-blue: #8dbbff;
  --mk-periwinkle: #a7b0ff;
  --mk-lavender: #bba2ff;
  --mk-pink-lavender: #dfa2f5;
  --mk-pink: #f59be8;

  --mk-ink: #191a2e;
  --mk-ink-soft: #384056;
  --mk-muted: #616a80;
  --mk-surface: #ffffff;
  --mk-surface-soft: #f7f7fd;
  --mk-surface-inset: #eef0fb;
  --mk-border: #e4e5f0;
  --mk-border-strong: #d3d5e6;

  --mk-ok: #0a7a52;
  --mk-ok-bg: #e2f2ea;
  --mk-warn: #b86a08;
  --mk-warn-bg: #f6efe0;
  --mk-danger: #c43028;

  --mk-gradient: linear-gradient(135deg, var(--mk-blue) 0%, var(--mk-lavender) 52%, var(--mk-pink) 100%);
  --mk-gradient-soft: linear-gradient(135deg, rgba(141, 187, 255, 0.16), rgba(245, 155, 232, 0.16));

  --mk-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --mk-shadow-sm: 0 2px 8px rgba(25, 26, 46, 0.06);
  --mk-shadow-md: 0 12px 30px rgba(25, 26, 46, 0.08);
  --mk-shadow-lg: 0 28px 60px rgba(25, 26, 46, 0.12);

  --mk-radius: 16px;
  --mk-radius-lg: 22px;
  --mk-maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body.mk {
  font-family: var(--mk-font);
  background: var(--mk-surface);
  color: var(--mk-ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.mk a { color: var(--mk-ink); }
.mk img { max-width: 100%; display: block; }

/* Accessible focus ring everywhere */
.mk a:focus-visible,
.mk button:focus-visible,
.mk input:focus-visible,
.mk select:focus-visible,
.mk textarea:focus-visible,
.mk summary:focus-visible,
.mk [tabindex]:focus-visible {
  outline: 3px solid var(--mk-lavender);
  outline-offset: 2px;
  border-radius: 6px;
}

.mk-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--mk-ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 0 0 10px 0;
  z-index: 1000;
}
.mk-skip:focus { left: 0; }

.mk-wrap { width: 100%; max-width: var(--mk-maxw); margin: 0 auto; padding: 0 24px; }
.mk-narrow { max-width: 820px; }

/* ---------------- NAV ---------------- */
.mk-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.mk-nav.is-scrolled { border-bottom-color: var(--mk-border); background: rgba(255, 255, 255, 0.94); }
.mk-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--mk-ink);
  text-decoration: none;
}
.mk-brand img { width: 30px; height: 30px; }
.mk-nav-links { display: flex; align-items: center; gap: 8px; }
.mk-nav-links a {
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--mk-ink-soft);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.mk-nav-links a:hover { background: var(--mk-surface-inset); color: var(--mk-ink); }
.mk-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--mk-border-strong);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--mk-ink);
}

/* ---------------- BUTTONS ---------------- */
.mk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.mk-btn svg { width: 18px; height: 18px; }
.mk-btn-primary { background: var(--mk-gradient); color: #fff; box-shadow: 0 10px 26px rgba(141, 130, 235, 0.35); }
.mk-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(141, 130, 235, 0.45); }
.mk-btn-ghost { background: var(--mk-surface); color: var(--mk-ink); border-color: var(--mk-border-strong); }
.mk-btn-ghost:hover { transform: translateY(-2px); border-color: var(--mk-lavender); color: var(--mk-ink); }
.mk-btn-sm { padding: 9px 16px; font-size: 0.9rem; }
.mk-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------------- SECTIONS / TYPO ---------------- */
.mk-section { padding: 84px 0; }
.mk-section.alt { background: var(--mk-surface-soft); }
.mk-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: #7b6bc4;
  margin-bottom: 16px;
}
.mk-h1 { font-size: clamp(2.3rem, 5.5vw, 3.9rem); line-height: 1.05; letter-spacing: -0.03em; font-weight: 800; }
.mk-h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.12; letter-spacing: -0.025em; font-weight: 800; }
.mk-h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
.mk-lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--mk-muted); max-width: 640px; }
.mk-grad {
  background: var(--mk-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.mk-center { text-align: center; }
.mk-center .mk-lead { margin-left: auto; margin-right: auto; }
.mk-section-head { max-width: 720px; margin-bottom: 48px; }
.mk-section-head.mk-center { margin-left: auto; margin-right: auto; }

/* ---------------- CARDS / GRID ---------------- */
.mk-grid { display: grid; gap: 22px; }
.mk-grid-3 { grid-template-columns: repeat(3, 1fr); }
.mk-grid-2 { grid-template-columns: repeat(2, 1fr); }
.mk-card {
  background: var(--mk-surface);
  border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius-lg);
  padding: 30px 26px;
  box-shadow: var(--mk-shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.mk-card:hover { transform: translateY(-4px); box-shadow: var(--mk-shadow-md); border-color: var(--mk-border-strong); }
.mk-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--mk-gradient);
  box-shadow: 0 8px 20px rgba(141, 130, 235, 0.3);
  margin-bottom: 18px;
}
.mk-card-icon svg { width: 24px; height: 24px; }
.mk-card h3 { margin-bottom: 8px; }
.mk-card p { color: var(--mk-muted); font-size: 0.98rem; }
.mk-num {
  width: 38px; height: 38px; flex-shrink: 0;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  background: var(--mk-gradient-soft);
  color: #6b5cc0;
}

/* Step row (how it works) */
.mk-steps { counter-reset: step; display: grid; gap: 20px; }
.mk-step { display: flex; gap: 18px; align-items: flex-start; }
.mk-step .mk-step-body h3 { margin-bottom: 4px; }
.mk-step .mk-step-body p { color: var(--mk-muted); font-size: 0.98rem; }

/* Pills / badges */
.mk-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px;
  background: var(--mk-surface-inset);
  color: var(--mk-ink-soft);
  font-size: 0.82rem; font-weight: 600;
}
.mk-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mk-lavender); }

/* Data-access disclosure rows (schools/privacy) */
.mk-access { display: grid; gap: 14px; }
.mk-access-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius);
  background: var(--mk-surface);
}
.mk-access-row .mk-access-tag { font-weight: 700; color: var(--mk-ink); }
.mk-access-row p { color: var(--mk-muted); font-size: 0.95rem; }

/* Callout / notice boxes */
.mk-callout {
  border: 1px solid var(--mk-border);
  border-left: 4px solid var(--mk-lavender);
  background: var(--mk-surface-soft);
  border-radius: 12px;
  padding: 16px 20px;
  color: var(--mk-ink-soft);
  font-size: 0.96rem;
}
.mk-callout.warn { border-left-color: var(--mk-warn); background: var(--mk-warn-bg); }
.mk-callout.ok { border-left-color: var(--mk-ok); background: var(--mk-ok-bg); }
.mk-callout strong { color: var(--mk-ink); }

/* ---------------- FAQ (native details/summary) ---------------- */
.mk-faq { display: grid; gap: 12px; max-width: 820px; margin: 0 auto; }
.mk-faq details {
  border: 1px solid var(--mk-border);
  border-radius: 14px;
  background: var(--mk-surface);
  overflow: hidden;
}
.mk-faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1.02rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.mk-faq summary::-webkit-details-marker { display: none; }
.mk-faq summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--mk-muted);
  transition: transform 0.2s ease;
}
.mk-faq details[open] summary::after { transform: rotate(45deg); }
.mk-faq .mk-faq-body { padding: 0 22px 20px; color: var(--mk-muted); font-size: 0.97rem; }

/* ---------------- HERO ---------------- */
.mk-hero {
  position: relative;
  padding: 72px 0 84px;
  background:
    radial-gradient(ellipse 70% 60% at 15% 10%, rgba(141, 187, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 60% 60% at 90% 30%, rgba(245, 155, 232, 0.18), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f6f5ff 100%);
  overflow: hidden;
}
.mk-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
/* Stacked hero: copy above a wide, desktop-style demo. */
.mk-hero-copy { max-width: 760px; margin: 0 auto 40px; }
.mk-hero-demo { width: 100%; }
.mk-hero h1 { margin: 14px 0 18px; }
.mk-hero .mk-lead { margin-bottom: 30px; }
.mk-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.mk-hero-actions-center { justify-content: center; }
.mk-hero-note { margin-top: 18px; font-size: 0.86rem; color: var(--mk-muted); }

/* ---------------- CTA band ---------------- */
.mk-cta {
  background:
    radial-gradient(ellipse 80% 80% at 50% 0%, rgba(187, 162, 255, 0.35), transparent 65%),
    linear-gradient(135deg, #1b1b30 0%, #2c2458 60%, #3a2a6b 100%);
  color: #fff;
  text-align: center;
  padding: 84px 0;
}
.mk-cta h2 { margin-bottom: 16px; }
.mk-cta p { color: rgba(255, 255, 255, 0.76); max-width: 560px; margin: 0 auto 32px; }
.mk-cta .mk-hero-actions { justify-content: center; }
.mk-cta .mk-btn-ghost { background: rgba(255, 255, 255, 0.08); color: #fff; border-color: rgba(255, 255, 255, 0.28); }
.mk-cta .mk-btn-ghost:hover { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.5); }

/* ---------------- FOOTER ---------------- */
.mk-footer { background: #12121f; color: rgba(255, 255, 255, 0.62); padding: 56px 0 32px; }
.mk-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.mk-footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 1.1rem; text-decoration: none; }
.mk-footer-brand img { width: 26px; height: 26px; }
.mk-footer-tag { margin-top: 14px; font-size: 0.9rem; max-width: 300px; }
.mk-footer col, .mk-footer-col h4 { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 14px; }
.mk-footer-col a { display: block; color: rgba(255, 255, 255, 0.62); text-decoration: none; font-size: 0.92rem; padding: 5px 0; }
.mk-footer-col a:hover { color: #fff; }
.mk-footer-bottom { padding-top: 24px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 0.85rem; }
.mk-footer-bottom a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.mk-footer-bottom a:hover { color: #fff; }

/* ---------------- PROSE (policy pages) ---------------- */
.mk-doc { padding: 56px 0 80px; }
.mk-doc-head { max-width: 820px; margin: 0 auto 20px; }
.mk-doc-head h1 { margin-bottom: 10px; }
.mk-doc-meta { color: var(--mk-muted); font-size: 0.9rem; }
.mk-draft-banner {
  max-width: 820px;
  margin: 0 auto 28px;
  border: 1px solid var(--mk-warn);
  background: var(--mk-warn-bg);
  color: #7a4708;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 0.92rem;
}
.mk-prose { max-width: 820px; margin: 0 auto; color: var(--mk-ink-soft); }
.mk-prose h2 { font-size: 1.4rem; margin: 36px 0 12px; color: var(--mk-ink); letter-spacing: -0.01em; }
.mk-prose h3 { font-size: 1.08rem; margin: 22px 0 8px; color: var(--mk-ink); }
.mk-prose p { margin: 10px 0; }
.mk-prose ul, .mk-prose ol { margin: 10px 0 10px 22px; }
.mk-prose li { margin: 6px 0; }
.mk-prose a { color: #5a5ac0; }
.mk-prose .mk-callout { margin: 18px 0; }
.mk-toc {
  max-width: 820px; margin: 0 auto 32px;
  border: 1px solid var(--mk-border);
  border-radius: 14px;
  padding: 18px 22px;
  background: var(--mk-surface-soft);
}
.mk-toc h2 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--mk-muted); margin: 0 0 10px; }
.mk-toc a { display: inline-block; margin: 4px 14px 4px 0; color: #5a5ac0; text-decoration: none; font-size: 0.92rem; }
.mk-toc a:hover { text-decoration: underline; }
.mk-draft-section {
  border: 1px dashed var(--mk-warn);
  background: var(--mk-warn-bg);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 16px 0;
}
.mk-draft-section .mk-draft-label { font-weight: 700; color: #7a4708; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------------- REVEAL ANIMATION ---------------- */
.mk-reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.mk-reveal.is-in { opacity: 1; transform: translateY(0); }

/* ---------------- INTERACTIVE PERSONALIZATION DEMO ---------------- */
.smp { max-width: 940px; margin: 0 auto; }
.smp-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 600; color: #6b5cc0;
  background: rgba(187, 162, 255, 0.14);
  border: 1px solid rgba(187, 162, 255, 0.4);
  border-radius: 999px; padding: 6px 14px; margin: 0 auto 18px; display: flex; width: fit-content;
  text-align: center;
}
.smp-tag-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mk-accent, #bba2ff); flex-shrink: 0; }
.smp-panel {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--mk-border);
  border-radius: 20px;
  background: var(--mk-surface);
  box-shadow: var(--mk-shadow-lg);
  overflow: hidden;
}
.smp-controls { padding: 26px 24px; background: #fbfbff; border-right: 1px solid var(--mk-border); display: flex; flex-direction: column; gap: 26px; }
.smp-control { display: flex; flex-direction: column; gap: 10px; }
.smp-label { font-size: 0.92rem; font-weight: 700; color: var(--mk-ink); display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.smp-value {
  font-size: 0.82rem; font-weight: 700; color: #6b5cc0;
  background: rgba(187, 162, 255, 0.18); border-radius: 999px; padding: 3px 11px;
}
.smp-slider { width: 100%; accent-color: #8f7ce0; height: 22px; cursor: pointer; }
.smp-slider:focus-visible { outline: 2px solid #8f7ce0; outline-offset: 4px; border-radius: 6px; }
.smp-scale { display: flex; justify-content: space-between; font-size: 0.74rem; color: var(--mk-muted); }
.smp-hint { font-size: 0.82rem; color: var(--mk-muted); margin: 0; }

.smp-toggle {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: inherit; font-size: 0.9rem; font-weight: 700; color: var(--mk-ink);
  background: var(--mk-surface); border: 1px solid var(--mk-border);
  border-radius: 12px; padding: 8px 12px; cursor: pointer; width: fit-content;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.smp-toggle:hover { border-color: var(--mk-accent, #bba2ff); }
.smp-toggle:focus-visible { outline: 2px solid #8f7ce0; outline-offset: 3px; }
.smp-toggle-track { width: 38px; height: 22px; border-radius: 999px; background: #d9d9e6; position: relative; transition: background 0.2s ease; flex-shrink: 0; }
.smp-toggle-thumb { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.25); transition: transform 0.2s ease; }
.smp-toggle.is-on .smp-toggle-track { background: linear-gradient(135deg, #8dbbff, #bba2ff); }
.smp-toggle.is-on .smp-toggle-thumb { transform: translateX(16px); }

.smp-preview { padding: 0; display: flex; flex-direction: column; min-width: 0; }
.smp-preview-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 16px 22px; border-bottom: 1px solid var(--mk-border); background: var(--mk-surface); }
.smp-preview-q { font-weight: 700; color: var(--mk-ink); font-size: 0.98rem; }
.smp-preview-course { font-size: 0.78rem; color: #6b5cc0; background: rgba(141, 187, 255, 0.16); border-radius: 999px; padding: 4px 11px; }
.smp-preview-body { padding: 20px 22px; color: var(--mk-ink); font-size: 0.96rem; line-height: 1.65; flex: 1; }
.smp-preview-body p { margin: 0 0 12px; }
.smp-preview-body p:last-child { margin-bottom: 0; }

.smp-examples { margin-top: 18px; border-top: 1px dashed var(--mk-border); padding-top: 14px; }
.smp-examples-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em; font-weight: 700; color: var(--mk-muted); margin: 0 0 10px; }
.smp-example-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.smp-example { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; background: #f7f7fc; border: 1px solid var(--mk-border); border-radius: 10px; padding: 9px 13px; font-size: 0.9rem; }
.smp-example-q { font-weight: 700; color: var(--mk-ink); font-family: 'Cambria Math', Georgia, serif; }
.smp-example-work { color: var(--mk-muted); font-size: 0.85rem; }
.smp-example-a { font-weight: 700; color: #4a8a5f; white-space: nowrap; }
.smp-examples-off { color: var(--mk-muted); font-style: italic; margin-top: 16px; }

.smp-step-lead { font-size: 0.82rem; color: var(--mk-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; }
.smp-step-text { font-size: 1.02rem; }
.smp-steps { padding: 0 22px 20px; }
.smp-progress { height: 7px; border-radius: 999px; background: #ececf4; overflow: hidden; margin-bottom: 12px; }
.smp-progress-bar { height: 100%; width: 25%; border-radius: 999px; background: linear-gradient(135deg, #8dbbff, #bba2ff); transition: width 0.3s ease; }
.smp-step-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.smp-step-count { font-size: 0.85rem; font-weight: 700; color: var(--mk-muted); }
.smp-step-btns { display: flex; gap: 8px; }
.smp-nav { font-family: inherit; font-size: 0.85rem; font-weight: 700; color: var(--mk-ink); background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: 10px; padding: 8px 14px; cursor: pointer; transition: border-color 0.2s ease, transform 0.15s ease; }
.smp-nav:hover:not(:disabled) { border-color: var(--mk-accent, #bba2ff); transform: translateY(-1px); }
.smp-nav:focus-visible { outline: 2px solid #8f7ce0; outline-offset: 2px; }
.smp-nav:disabled { opacity: 0.45; cursor: not-allowed; }
.smp-nav-primary { color: #fff; background: linear-gradient(135deg, #8dbbff, #bba2ff); border-color: transparent; }
.smp-nav-primary:disabled { color: #fff; }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 820px) {
  .smp-panel { grid-template-columns: 1fr; }
  .smp-controls { border-right: none; border-bottom: 1px solid var(--mk-border); }
}
@media (max-width: 900px) {
  .mk-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .mk-grid-3 { grid-template-columns: 1fr; }
  .mk-grid-2 { grid-template-columns: 1fr; }
  .mk-footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .mk-nav-links { position: fixed; inset: 62px 12px auto 12px; flex-direction: column; align-items: stretch;
    background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: 16px; padding: 12px; gap: 4px;
    box-shadow: var(--mk-shadow-lg); display: none; }
  .mk-nav-links.is-open { display: flex; }
  .mk-nav-links a { padding: 12px 14px; }
  .mk-nav-links .mk-btn { width: 100%; }
  .mk-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
}
@media (max-width: 560px) {
  .mk-section { padding: 60px 0; }
  .mk-hero { padding: 48px 0 60px; }
  .mk-access-row { grid-template-columns: 1fr; gap: 6px; }
  .mk-footer-grid { grid-template-columns: 1fr; }
  .mk-hero-actions { flex-direction: column; }
  .mk-hero-actions .mk-btn { width: 100%; }
  .smp-example { grid-template-columns: 1fr; gap: 3px; }
  .smp-example-a { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .mk *, .mk *::before, .mk *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .mk-reveal { opacity: 1; transform: none; }
}