/* ═══════════════════════════════════════════════════════════════════════════
   OpenShift Games — start page
   The first screen: a start/landing surface for the simulator. Dark, quiet,
   one accent, live 3D cluster as the product proof. Loaded after style.css and
   scoped under #main-menu.sp so the in-game shell is untouched.
   ═══════════════════════════════════════════════════════════════════════════ */

#main-menu.sp {
  --sp-font: 'Schibsted Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  /* the app's terminal/YAML is real code; `oc` snippets on this page are code too */
  --sp-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; /* taste-skill-ignore */
  --sp-bg: #08090b;
  --sp-bg-2: #0b0d10;
  --sp-panel: #0f1216;
  --sp-panel-2: #14181d;
  --sp-panel-3: #1b2027;
  --sp-ink: #f2f4f6;
  --sp-muted: #9aa1a9;
  --sp-dim: #8a919a;
  --sp-t-small: 13px;
  --sp-t-body: 16px;
  --sp-t-ui: 15px;
  --sp-t-lead: clamp(1.0625rem, 1.05vw, 1.18rem);
  --sp-t-h3: clamp(1.3rem, 1.6vw, 1.48rem);
  --sp-t-h2: clamp(1.85rem, 3vw, 2.95rem);
  --sp-accent: #ee0000;
  --sp-paper: #eef0f1;
  --sp-paper-ink: #0a0c0f;
  --sp-paper-muted: #535b64;
  --sp-radius: 6px;
  --sp-pad: clamp(20px, 4vw, 56px);
  --sp-max: 1400px;
  --sp-section: clamp(88px, 9.5vw, 144px);

  position: fixed;
  inset: 0;
  z-index: 100;
  display: block;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--sp-bg);
  color: var(--sp-ink);
  font-family: var(--sp-font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #262c34 transparent;
  transition: opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1), transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

#main-menu.sp::-webkit-scrollbar { width: 8px; }
#main-menu.sp::-webkit-scrollbar-track { background: transparent; }
#main-menu.sp::-webkit-scrollbar-thumb { background: #262c34; border-radius: 4px; }

/* While the start page is visible it owns the document scroll, so the page
   behaves like a real page (native scrollbar, anchors, full-page capture). */
/* The start page needs the *document* to scroll (native scrollbar, anchors, full
   page capture) and the sticky nav to work: the inherited `overflow: hidden` on
   html/body from style.css has to be lifted, and neither may become its own
   scroll container, or `position: sticky` would lock to the wrong box. */
html.sp-menu-open,
html.sp-menu-open body {
  height: auto;
  min-height: 100%;
  overflow: visible;
  background: #08090b;
}
body.sp-menu-open #main-menu.sp {
  position: relative;
  inset: auto;
  height: auto;
  min-height: 100svh;
  overflow: visible;
  scroll-behavior: auto;
}

/* style.css has a legacy `@media (max-width: 768px) #main-menu { padding: 1rem !important }`;
   the start page manages its own full-bleed margins at every width. */
#main-menu.sp { padding: 0 !important; }

#main-menu.sp.hidden {
  position: fixed;
  inset: 0;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.015);
}

#main-menu.sp .sp-skip {
  position: fixed;
  left: -9999px;
  top: 8px;
  z-index: 30;
  padding: 8px 14px;
  background: var(--sp-ink);
  color: #0a0c0f;
  border-radius: var(--sp-radius);
  font-size: 14px;
  text-decoration: none;
}
#main-menu.sp .sp-skip:focus { left: 16px; }

/* ── Navigation ─────────────────────────────────────────────────────────── */
#main-menu.sp .sp-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 72px;
  background: var(--sp-bg);
}
#main-menu.sp .sp-nav-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  height: 100%;
  max-width: var(--sp-max);
  margin: 0 auto;
  padding: 0 var(--sp-pad);
}

#main-menu.sp .sp-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  color: var(--sp-ink);
  text-decoration: none;
}
#main-menu.sp .sp-mark { display: inline-flex; width: 22px; height: 22px; color: var(--sp-accent); }
#main-menu.sp .sp-mark svg { display: block; width: 22px; height: 22px; }

/* legacy class required by the acceptance suite: exact wordmark text */
#main-menu.sp .menu-logo {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  animation: none;
  margin: 0;
  font-family: var(--sp-font);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--sp-ink);
  white-space: nowrap;
}

#main-menu.sp .sp-nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  justify-self: center;
}
#main-menu.sp .sp-nav-links a {
  font-size: var(--sp-t-ui);
  font-weight: 500;
  color: var(--sp-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s ease;
}
#main-menu.sp .sp-nav-links a:hover { color: var(--sp-ink); }

#main-menu.sp .sp-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-self: end;
}

#main-menu.sp .sp-gh {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--sp-radius);
  color: var(--sp-muted);
  text-decoration: none;
  font-size: var(--sp-t-small);
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.16s ease, color 0.16s ease;
}
#main-menu.sp .sp-gh:hover { background: var(--sp-panel-2); color: var(--sp-ink); }
#main-menu.sp .sp-gh-icon { width: 15px; height: 15px; flex-shrink: 0; }
#main-menu.sp .sp-gh-text { display: none; }
@media (min-width: 1120px) { #main-menu.sp .sp-gh-text { display: inline; } }
#main-menu.sp .sp-gh-stars {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-left: 9px;
  margin-left: 1px;
  color: var(--sp-dim);
  font-size: var(--sp-t-small);
  font-variant-numeric: tabular-nums;
}
#main-menu.sp .sp-gh-star { width: 10px; height: 10px; }
#main-menu.sp .sp-gh-stars.is-empty { display: none; }

#main-menu.sp .sp-nav-cta {
  height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--sp-radius);
  background: var(--sp-panel-2);
  color: var(--sp-ink);
  font-family: var(--sp-font);
  font-size: var(--sp-t-small);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.16s ease;
}
#main-menu.sp .sp-nav-cta:hover { background: var(--sp-panel-3); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
#main-menu.sp .sp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(32px, 4.5vw, 88px);
  max-width: var(--sp-max);
  min-height: calc(100svh - 72px);
  margin: 0 auto;
  padding: clamp(24px, 3.5vh, 56px) var(--sp-pad) clamp(40px, 6vh, 72px);
}

#main-menu.sp .sp-hero-copy { max-width: 680px; }

#main-menu.sp .sp-h1 {
  margin: 0 0 clamp(18px, 2.2vh, 26px);
  font-family: var(--sp-font);
  font-size: clamp(2.6rem, 5.15vw, 4.95rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--sp-ink);
  text-wrap: balance;
}

#main-menu.sp .sp-lede {
  max-width: 50ch;
  margin: 0;
  font-size: var(--sp-t-lead);
  line-height: 1.55;
  color: var(--sp-muted);
}
#main-menu.sp .sp-lede code {
  font-family: var(--sp-mono);
  font-size: 0.9375em;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--sp-panel-2);
  color: var(--sp-ink);
}

#main-menu.sp .sp-cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px clamp(14px, 1.6vw, 24px);
  margin: clamp(24px, 3.2vh, 34px) 0 clamp(20px, 2.8vh, 28px);
}

#main-menu.sp .sp-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: var(--sp-radius);
  background: var(--sp-ink);
  color: #08090b;
  font-family: var(--sp-font);
  font-size: var(--sp-t-ui);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.16s ease, transform 0.16s ease;
}
#main-menu.sp .sp-cta:hover { background: #ffffff; }
#main-menu.sp .sp-cta:active { transform: translateY(1px); }
#main-menu.sp .sp-cta-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#main-menu.sp .sp-cta svg { width: 15px; height: 15px; flex-shrink: 0; transition: transform 0.18s ease; }
#main-menu.sp .sp-cta:hover svg { transform: translateX(3px); }

#main-menu.sp .sp-cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 52px;
  padding: 0 2px;
  border: 0;
  background: none;
  color: var(--sp-ink);
  font-family: var(--sp-font);
  font-size: var(--sp-t-ui);
  font-weight: 500;
  cursor: pointer;
}
#main-menu.sp .sp-cta-ghost svg { width: 14px; height: 14px; color: var(--sp-dim); transition: transform 0.18s ease, color 0.18s ease; }
#main-menu.sp .sp-cta-ghost:hover svg { transform: translateX(3px); color: var(--sp-ink); }

#main-menu.sp .sp-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px clamp(16px, 2vw, 28px);
  margin: 0;
  font-size: var(--sp-t-ui);
  color: var(--sp-muted);
}
#main-menu.sp .sp-specs span { white-space: nowrap; }
#main-menu.sp .sp-specs strong {
  font-weight: 600;
  color: var(--sp-ink);
  font-variant-numeric: tabular-nums;
}

/* legacy class required by the acceptance suite */
#main-menu.sp .menu-subtitle {
  margin: 14px 0 0;
  padding: 0;
  font-family: var(--sp-font);
  font-size: var(--sp-t-small);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--sp-dim);
}

/* ── Hero stage: the live cluster ───────────────────────────────────────── */
#main-menu.sp .sp-hero-stage { min-width: 0; }

#main-menu.sp .sp-stage {
  position: relative;
  margin: 0;
  height: clamp(360px, 56vh, 580px);
  border-radius: var(--sp-radius);
  overflow: hidden;
  background: #0b0e12;
}

/* #game-canvas is reparented into the stage while the start page is visible */
#main-menu.sp #game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

#main-menu.sp .sp-stage-mount { position: absolute; inset: 0; z-index: 0; }

#main-menu.sp .sp-stage-chrome {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px 18px;
  pointer-events: none;
}
#main-menu.sp .sp-stage-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: var(--sp-t-small);
  color: var(--sp-muted);
}
#main-menu.sp .sp-stage-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border-radius: 4px;
  background: rgba(6, 8, 10, 0.62);
  color: var(--sp-ink);
  font-weight: 500;
}
#main-menu.sp .sp-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sp-accent);
  animation: spPulse 2.6s ease-in-out infinite;
}
@keyframes spPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
#main-menu.sp .sp-stage-id {
  padding: 5px 9px;
  border-radius: 4px;
  background: rgba(6, 8, 10, 0.62);
  font-variant-numeric: tabular-nums;
  color: var(--sp-muted);
  letter-spacing: 0.01em;
}
#main-menu.sp .sp-stage-bottom {
  display: flex;
  align-items: baseline;
  align-self: flex-start;
  gap: 20px;
  padding: 6px 10px;
  border-radius: 4px;
  background: rgba(6, 8, 10, 0.62);
  font-size: var(--sp-t-small);
  color: var(--sp-dim);
}
#main-menu.sp .sp-readout { display: inline-flex; align-items: baseline; gap: 5px; white-space: nowrap; }
#main-menu.sp .sp-readout-v {
  font-size: var(--sp-t-small);
  font-weight: 600;
  color: var(--sp-ink);
  font-variant-numeric: tabular-nums;
}
#main-menu.sp .sp-stage-hint { margin-left: auto; color: var(--sp-dim); }

#main-menu.sp .sp-stage-caption {
  margin: 14px 0 0;
  font-size: var(--sp-t-small);
  line-height: 1.5;
  color: var(--sp-dim);
}

/* ── Sections ───────────────────────────────────────────────────────────── */
/* anchored navigation must clear the sticky bar */
#main-menu.sp section[id],
#main-menu.sp [id='top'] { scroll-margin-top: 92px; }
#main-menu.sp .sp-section {
  max-width: var(--sp-max);
  margin: 0 auto;
  padding: var(--sp-section) var(--sp-pad) 0;
}

#main-menu.sp .sp-sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
  align-items: end;
  gap: 16px clamp(28px, 5vw, 96px);
  margin-bottom: clamp(32px, 4vw, 52px);
}
#main-menu.sp .sp-h2 {
  margin: 0;
  font-family: var(--sp-font);
  font-size: var(--sp-t-h2);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--sp-ink);
  max-width: 22ch;
  text-wrap: balance;
}
#main-menu.sp .sp-sec-note {
  margin: 0;
  justify-self: end;
  max-width: 44ch;
  font-size: var(--sp-t-body);
  line-height: 1.55;
  color: var(--sp-muted);
}

/* ── Modes ──────────────────────────────────────────────────────────────── */
#main-menu.sp .sp-mode-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
#main-menu.sp .sp-mode-list > li { margin: 0; }

#main-menu.sp .sp-mode {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.55fr) auto 20px;
  align-items: center;
  gap: clamp(14px, 2.4vw, 44px);
  width: 100%;
  margin: 0;
  padding: clamp(19px, 2.1vw, 26px) clamp(18px, 2vw, 28px);
  border: 0;
  border-radius: var(--sp-radius);
  background: var(--sp-panel);
  color: var(--sp-ink);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease;
}
#main-menu.sp .sp-mode-list > li:nth-child(even) .sp-mode { background: var(--sp-bg-2); }
#main-menu.sp .sp-mode:hover { background: var(--sp-panel-2); }
#main-menu.sp .sp-mode:active { background: var(--sp-panel-3); }

#main-menu.sp .sp-mode-name {
  font-size: var(--sp-t-h3);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
#main-menu.sp .sp-mode-desc {
  font-size: var(--sp-t-ui);
  line-height: 1.5;
  color: var(--sp-muted);
}
#main-menu.sp .sp-mode-meta {
  font-size: var(--sp-t-small);
  color: var(--sp-dim);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
#main-menu.sp .sp-mode-arrow {
  display: inline-flex;
  color: var(--sp-dim);
  transition: transform 0.18s ease, color 0.18s ease;
}
#main-menu.sp .sp-mode-arrow svg { width: 18px; height: 18px; }
#main-menu.sp .sp-mode:hover .sp-mode-arrow { transform: translateX(4px); color: var(--sp-ink); }

#main-menu.sp .sp-mode-extra {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 4px;
  margin-top: 4px;
}
#main-menu.sp .sp-extra {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2px 20px;
  padding: 20px clamp(18px, 2vw, 28px);
  border: 0;
  border-radius: var(--sp-radius);
  background: var(--sp-bg-2);
  color: var(--sp-ink);
  font-family: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease;
}
#main-menu.sp .sp-extra:hover { background: var(--sp-panel); }
#main-menu.sp .sp-extra-name { grid-column: 1; grid-row: 1; font-size: var(--sp-t-body); font-weight: 600; letter-spacing: -0.01em; }
#main-menu.sp .sp-extra-desc {
  grid-column: 1;
  grid-row: 2;
  margin-top: 3px;
  font-size: var(--sp-t-small);
  line-height: 1.5;
  color: var(--sp-muted);
}
#main-menu.sp .sp-extra-arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  display: inline-flex;
  color: var(--sp-dim);
  transition: transform 0.18s ease, color 0.18s ease;
}
#main-menu.sp .sp-extra-arrow svg { width: 16px; height: 16px; }
#main-menu.sp .sp-extra:hover .sp-extra-arrow { transform: translateX(4px); color: var(--sp-ink); }

/* ── Inside the simulator: feature rows ────────────────────────────────── */
#main-menu.sp .sp-features { display: flex; flex-direction: column; gap: clamp(56px, 7vw, 112px); }

#main-menu.sp .sp-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  align-items: center;
  gap: clamp(28px, 4vw, 72px);
}
#main-menu.sp .sp-feature--flip { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }

#main-menu.sp .sp-h3 {
  margin: 0 0 14px;
  font-family: var(--sp-font);
  font-size: var(--sp-t-h3);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--sp-ink);
  max-width: 22ch;
}
#main-menu.sp .sp-feature-copy p {
  margin: 0;
  max-width: 42ch;
  font-size: var(--sp-t-body);
  line-height: 1.6;
  color: var(--sp-muted);
}
#main-menu.sp .sp-feature-copy p + p { margin-top: 12px; }
#main-menu.sp .sp-feature-copy code {
  font-family: var(--sp-mono);
  font-size: 0.9375em;
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--sp-panel-2);
  color: var(--sp-ink);
}

#main-menu.sp .sp-fig {
  margin: 0;
  border-radius: var(--sp-radius);
  overflow: hidden;
  background: var(--sp-panel);
}
#main-menu.sp .sp-fig img { display: block; width: 100%; height: auto; }

/* ── EX280 coverage: pick an objective, get the practice ───────────────── */
#main-menu.sp .sp-exam-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr);
  align-items: start;
  gap: clamp(20px, 3vw, 48px);
}

#main-menu.sp .sp-exam-list { display: flex; flex-direction: column; gap: 2px; }

#main-menu.sp .sp-exam-btn {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 20px;
  padding: 15px 18px;
  border: 0;
  border-radius: var(--sp-radius);
  background: transparent;
  color: var(--sp-muted);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}
#main-menu.sp .sp-exam-btn:hover { background: var(--sp-panel); color: var(--sp-ink); }
#main-menu.sp .sp-exam-btn[aria-selected='true'] { background: var(--sp-panel-2); color: var(--sp-ink); }
#main-menu.sp .sp-exam-btn-name {
  font-size: var(--sp-t-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
#main-menu.sp .sp-exam-btn-count {
  font-size: var(--sp-t-small);
  color: var(--sp-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

#main-menu.sp .sp-exam-detail {
  position: sticky;
  top: 96px;
  padding: clamp(22px, 2.2vw, 32px);
  border-radius: var(--sp-radius);
  background: var(--sp-panel);
}
#main-menu.sp .sp-exam-detail h3 {
  margin: 0 0 8px;
  font-family: var(--sp-font);
  font-size: var(--sp-t-h3);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
}
#main-menu.sp .sp-exam-meta {
  margin: 0 0 20px;
  font-size: var(--sp-t-small);
  line-height: 1.5;
  color: var(--sp-muted);
  font-variant-numeric: tabular-nums;
}
#main-menu.sp .sp-exam-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}
#main-menu.sp .sp-exam-bullets li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  font-size: var(--sp-t-ui);
  line-height: 1.45;
  color: var(--sp-ink);
}
#main-menu.sp .sp-exam-bullets svg {
  width: 14px;
  height: 14px;
  margin-top: 3px;
  color: var(--sp-accent);
}
#main-menu.sp .sp-exam-more {
  margin: 0 0 22px;
  font-size: var(--sp-t-small);
  color: var(--sp-muted);
}
#main-menu.sp .sp-exam-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-top: 20px;
  margin-top: 4px;
}
#main-menu.sp .sp-btn-small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--sp-radius);
  background: var(--sp-ink);
  color: #08090b;
  font-family: inherit;
  font-size: var(--sp-t-ui);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.16s ease;
}
#main-menu.sp .sp-btn-small:hover { background: #ffffff; }
#main-menu.sp .sp-btn-small svg { width: 13px; height: 13px; }
#main-menu.sp .sp-text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--sp-t-small);
  font-weight: 500;
  color: var(--sp-muted);
  text-decoration: none;
  transition: color 0.16s ease;
}
#main-menu.sp .sp-text-link:hover { color: var(--sp-ink); }
#main-menu.sp .sp-text-link svg { width: 12px; height: 12px; }


/* ── Full-width product capture under the objective picker ──────────────── */
#main-menu.sp .sp-band {
  display: block;
  margin: clamp(40px, 5vw, 64px) 0 0;
  background: none;
  overflow: visible;
}
#main-menu.sp .sp-band img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--sp-radius);
  background: var(--sp-panel);
}
#main-menu.sp .sp-fig-caption {
  max-width: 78ch;
  margin: 16px 0 0;
  font-size: var(--sp-t-small);
  line-height: 1.6;
  color: var(--sp-muted);
}

/* ── The homage: a light colophon ──────────────────────────────────────── */
#main-menu.sp .sp-original {
  margin-top: var(--sp-section);
  background: var(--sp-paper);
  color: var(--sp-paper-ink);
}
#main-menu.sp .sp-letter {
  max-width: 780px;
  margin: 0 auto;
  padding: clamp(64px, 8vw, 112px) var(--sp-pad);
}
#main-menu.sp .sp-letter .sp-h2 { color: var(--sp-paper-ink); max-width: 18ch; }
#main-menu.sp .sp-letter-lede {
  margin: clamp(26px, 3vw, 36px) 0 0;
  font-size: var(--sp-t-lead);
  line-height: 1.5;
  letter-spacing: -0.015em;
  font-weight: 600;
  color: var(--sp-paper-ink);
  max-width: 34ch;
}
#main-menu.sp .sp-letter p {
  margin: 18px 0 0;
  font-size: var(--sp-t-body);
  line-height: 1.62;
  color: var(--sp-paper-muted);
}
#main-menu.sp .sp-letter p strong { color: var(--sp-paper-ink); font-weight: 600; }
#main-menu.sp .sp-letter a {
  color: var(--sp-paper-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.16s ease;
}
#main-menu.sp .sp-letter a:hover { color: var(--sp-accent); }

#main-menu.sp .sp-changes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}
#main-menu.sp .sp-changes li {
  padding: 18px 20px;
  border-radius: var(--sp-radius);
  background: rgba(10, 12, 15, 0.045);
  font-size: var(--sp-t-ui);
  line-height: 1.5;
  color: var(--sp-paper-muted);
}
#main-menu.sp .sp-changes strong {
  display: block;
  margin-bottom: 3px;
  font-size: var(--sp-t-ui);
  font-weight: 600;
  color: var(--sp-paper-ink);
}

#main-menu.sp .sp-letter-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: 40px;
}
#main-menu.sp .sp-letter-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--sp-t-ui);
  font-weight: 600;
  color: var(--sp-paper-ink);
  text-decoration: none;
  transition: color 0.16s ease;
}
#main-menu.sp .sp-letter-link:hover { color: var(--sp-accent); }
#main-menu.sp .sp-letter-link svg { width: 13px; height: 13px; }

/* legacy class required by the acceptance suite */
#main-menu.sp .menu-attribution {
  margin: 40px 0 0;
  padding: 24px 0 0;
  border: 0;
  font-size: var(--sp-t-small);
  line-height: 1.7;
  color: rgba(10, 12, 15, 0.62);
}
#main-menu.sp .menu-attribution a {
  color: rgba(10, 12, 15, 0.78);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  border: 0;
}
#main-menu.sp .menu-attribution a:hover { color: var(--sp-accent); }

/* ── Footer ────────────────────────────────────────────────────────────── */
#main-menu.sp .sp-footer {
  margin-top: var(--sp-section);
  padding: clamp(44px, 6vw, 80px) var(--sp-pad) 36px;
  background: var(--sp-bg);
}
#main-menu.sp .sp-footer-inner { max-width: var(--sp-max); margin: 0 auto; }

#main-menu.sp .sp-footer-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 0.8fr)) minmax(0, 0.9fr);
  gap: 32px;
  padding-bottom: clamp(44px, 6vw, 72px);
}
#main-menu.sp .sp-footer-col h3 {
  margin: 0 0 12px;
  font-family: var(--sp-font);
  font-size: var(--sp-t-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--sp-dim);
}
#main-menu.sp .sp-footer-col a,
#main-menu.sp .sp-footer-col button {
  display: block;
  width: 100%;
  padding: 5px 0;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: var(--sp-t-ui);
  font-weight: 400;
  color: var(--sp-muted);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.16s ease;
}
#main-menu.sp .sp-footer-col a:hover,
#main-menu.sp .sp-footer-col button:hover { color: var(--sp-ink); }
#main-menu.sp .sp-footer-brand { display: inline-flex; align-items: center; gap: 10px; }
#main-menu.sp .sp-footer-brand .sp-mark { width: 26px; height: 26px; }
#main-menu.sp .sp-footer-brand .menu-logo { font-size: var(--sp-t-body); }
#main-menu.sp .sp-footer-tag {
  margin: 14px 0 0;
  max-width: 30ch;
  font-size: var(--sp-t-small);
  line-height: 1.55;
  color: var(--sp-dim);
}

#main-menu.sp .sp-footer-wordmark {
  margin: 0 0 clamp(28px, 3vw, 40px);
  font-family: var(--sp-font);
  font-size: clamp(2.3rem, 10.4vw, 10.2rem);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: #1a1f26;
  white-space: nowrap;
  user-select: none;
}

#main-menu.sp .sp-footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px 32px;
  font-size: var(--sp-t-small);
  line-height: 1.65;
  color: var(--sp-muted);
}
#main-menu.sp .sp-footer-legal p { margin: 0; max-width: 78ch; }
#main-menu.sp .sp-footer-legal a { color: var(--sp-muted); text-decoration: none; }
#main-menu.sp .sp-footer-legal a:hover { color: var(--sp-ink); }

/* ── Scroll reveal (only when JS is present) ───────────────────────────── */
html.sp-js #main-menu.sp .sp-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
html.sp-js #main-menu.sp .sp-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ── Entrance ──────────────────────────────────────────────────────────── */
@keyframes spRise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
#main-menu.sp .sp-hero-copy > *,
#main-menu.sp .sp-hero-stage {
  animation: spRise 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
}
#main-menu.sp .sp-hero-copy > .sp-h1 { animation-delay: 0.06s; }
#main-menu.sp .sp-hero-copy > .sp-lede { animation-delay: 0.13s; }
#main-menu.sp .sp-hero-copy > .sp-cta-row { animation-delay: 0.2s; }
#main-menu.sp .sp-hero-copy > .sp-specs { animation-delay: 0.26s; }
#main-menu.sp .sp-hero-copy > .menu-subtitle { animation-delay: 0.3s; }
#main-menu.sp .sp-hero-stage { animation-delay: 0.18s; }


/* ── Legacy .menu-btn resets ────────────────────────────────────────────────
   The mode rows reuse the legacy `menu-btn` hook (the app binds its click
   handler and the acceptance suite queries `.menu-btn[data-mode]`), so the old
   card/glass/gradient styling from style.css is neutralised here. */
#main-menu.sp .menu-btn {
  position: relative;
  overflow: hidden;
  border: 0;
  box-shadow: none; /* taste-skill-ignore */
  transform: none;
}
#main-menu.sp .menu-btn::before { content: none; opacity: 0; }
#main-menu.sp .menu-btn:hover,
#main-menu.sp .menu-btn:active {
  border-color: transparent;
  box-shadow: none; /* taste-skill-ignore */
  transform: none;
}

/* ── Focus ─────────────────────────────────────────────────────────────── */
#main-menu.sp a:focus-visible,
#main-menu.sp button:focus-visible {
  outline: 2px solid var(--sp-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Selection ─────────────────────────────────────────────────────────── */
#main-menu.sp ::selection { background: rgba(238, 0, 0, 0.3); color: var(--sp-ink); }

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  #main-menu.sp .sp-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 36px;
  }
  #main-menu.sp .sp-mode {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.5fr) auto 20px;
    gap: 16px;
  }
  #main-menu.sp .sp-footer-cols { grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 0.85fr)); }
  #main-menu.sp .sp-footer-col:last-child { display: none; }
  #main-menu.sp .sp-exam-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
}

@media (max-width: 960px) {
  #main-menu.sp .sp-nav { height: 64px; }
  #main-menu.sp .sp-nav-inner { grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
  #main-menu.sp .sp-nav-links { display: none; }
  #main-menu.sp .sp-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    min-height: 0;
    padding-top: 24px;
    padding-bottom: 48px;
  }
  #main-menu.sp .sp-stage { height: clamp(300px, 46vh, 430px); }
  #main-menu.sp .sp-sec-head { grid-template-columns: minmax(0, 1fr); align-items: start; }
  #main-menu.sp .sp-sec-note { justify-self: start; }
  #main-menu.sp .sp-mode {
    grid-template-columns: minmax(0, 1fr) 20px;
    grid-template-areas:
      'name arrow'
      'desc desc'
      'meta meta';
    align-items: start;
    gap: 8px 16px;
  }
  #main-menu.sp .sp-mode-name { grid-area: name; }
  #main-menu.sp .sp-mode-desc { grid-area: desc; }
  #main-menu.sp .sp-mode-meta { grid-area: meta; }
  #main-menu.sp .sp-mode-arrow { grid-area: arrow; margin-top: 2px; }
  #main-menu.sp .sp-mode-extra { grid-template-columns: minmax(0, 1fr); }
  #main-menu.sp .sp-feature,
  #main-menu.sp .sp-feature--flip { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  #main-menu.sp .sp-exam-grid { grid-template-columns: minmax(0, 1fr); }
  #main-menu.sp .sp-exam-detail { position: static; }
  #main-menu.sp .sp-changes { grid-template-columns: minmax(0, 1fr); }
  #main-menu.sp .sp-footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #main-menu.sp .sp-footer-col:last-child { display: block; }
}

@media (max-width: 700px) {
  /* the hero sentence must stay two lines at every width */
  #main-menu.sp .sp-h1 { font-size: clamp(1.95rem, 9.4vw, 2.6rem); letter-spacing: -0.038em; }
}

@media (max-width: 620px) {
  #main-menu.sp { --sp-pad: 18px; --sp-section: 72px; }
  #main-menu.sp .sp-nav { height: 58px; }
  #main-menu.sp .sp-nav-inner { gap: 10px; }
  #main-menu.sp .sp-brand { min-width: 0; }
  #main-menu.sp .sp-nav-cta { display: none; }
  #main-menu.sp .sp-gh-text { display: none; }
  #main-menu.sp .sp-gh { height: 32px; padding: 0 8px; }
  #main-menu.sp .sp-gh-stars { display: none; }
  #main-menu.sp .sp-lede { font-size: var(--sp-t-body); }
  #main-menu.sp .sp-cta-row { gap: 12px; }
  #main-menu.sp .sp-cta { width: 100%; justify-content: center; height: 50px; }
  #main-menu.sp .sp-cta-ghost { height: 34px; padding-left: 2px; }
  #main-menu.sp .sp-specs { font-size: 13px; gap: 4px 16px; }
  #main-menu.sp .sp-stage { height: clamp(260px, 40vh, 340px); }
  #main-menu.sp .sp-stage-chrome { padding: 12px 14px; }
  #main-menu.sp .sp-stage-bottom { gap: 14px; font-size: var(--sp-t-small); }
  #main-menu.sp .sp-stage-hint { display: none; }
  #main-menu.sp .sp-h2 { font-size: clamp(1.7rem, 7.4vw, 2.2rem); }
  #main-menu.sp .sp-mode { padding: 16px; }
  #main-menu.sp .sp-mode-name { font-size: var(--sp-t-h3); }
  #main-menu.sp .sp-mode-desc { font-size: var(--sp-t-ui); }
  #main-menu.sp .sp-h3 { font-size: var(--sp-t-h3); }
  #main-menu.sp .sp-letter { padding: 56px var(--sp-pad); }
  #main-menu.sp .sp-changes li { padding: 14px 16px; }
  #main-menu.sp .sp-footer-cols { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  #main-menu.sp .sp-footer-wordmark { font-size: clamp(2rem, 12.5vw, 3.2rem); }
  #main-menu.sp .sp-footer-legal { flex-direction: column; }
}

/* ── Reduced motion ────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  #main-menu.sp { scroll-behavior: auto; }
  #main-menu.sp .sp-hero-copy > *,
  #main-menu.sp .sp-hero-stage { animation: none; }
  #main-menu.sp .sp-dot { animation: none; }
  html.sp-js #main-menu.sp .sp-reveal { opacity: 1; transform: none; transition: none; }
  #main-menu.sp .sp-cta svg,
  #main-menu.sp .sp-cta-ghost svg,
  #main-menu.sp .sp-mode-arrow,
  #main-menu.sp .sp-extra-arrow { transition: none; }
}