/* ============================================================
   Jack's Tube Trivia — Neon Night
   Token-driven, effects in CSS (no shipped raster art).
   ============================================================ */

:root {
  /* Color — near-black base, neon accents */
  --c-bg:        #0E0B1A;
  --c-bg-2:      #150F2E;
  --c-panel:     #1B1440;
  --c-panel-2:   #241a56;
  --c-ink:       #F4F1FF;   /* body text — high contrast on bg */
  --c-muted:     #B4A9E0;   /* supporting text (AA on --c-bg) */
  --c-line:      rgba(180,169,224,.22);

  --c-magenta:   #FF2E93;
  --c-cyan:      #22E0FF;
  --c-lime:      #B4FF3A;
  --c-amber:     #FFC93C;

  /* Neon glows (layered shadows) */
  --glow-magenta: 0 0 6px rgba(255,46,147,.85), 0 0 20px rgba(255,46,147,.45);
  --glow-cyan:    0 0 6px rgba(34,224,255,.85),  0 0 20px rgba(34,224,255,.4);
  --glow-lime:    0 0 6px rgba(180,255,58,.8),   0 0 20px rgba(180,255,58,.35);
  --glow-amber:   0 0 6px rgba(255,201,60,.8),   0 0 18px rgba(255,201,60,.35);

  /* Type */
  --font-display: "Baloo 2", system-ui, sans-serif;
  --font-body:    "Space Grotesk", system-ui, sans-serif;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.375rem;
  --text-2xl:  1.75rem;
  --text-3xl:  2.25rem;
  --text-4xl:  clamp(2.5rem, 6vw, 4rem);

  /* Spacing scale (4px base) */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --maxw: 1120px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-bg);
  /* Stage lighting — pure CSS, no image */
  background-image:
    radial-gradient(60% 40% at 78% 8%, rgba(255,46,147,.20), transparent 70%),
    radial-gradient(50% 40% at 12% 4%, rgba(34,224,255,.16), transparent 70%),
    radial-gradient(80% 60% at 50% 120%, rgba(123,60,224,.18), transparent 70%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; margin: 0; }
p { margin: 0; }
a { color: var(--c-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--space-lg); }
.section { padding-block: var(--space-3xl); }
.section__title { font-size: var(--text-3xl); text-align: center; margin-bottom: var(--space-2xl); }

.skip-link {
  position: absolute; left: var(--space-md); top: -60px;
  background: var(--c-magenta); color: #fff; padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm); z-index: 100; transition: top .2s ease;
}
.skip-link:focus { top: var(--space-md); }

:focus-visible { outline: 3px solid var(--c-cyan); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ---------- Neon text ---------- */
.neon { text-shadow: var(--glow-magenta); }
.neon--magenta { color: var(--c-magenta); text-shadow: var(--glow-magenta); }
.neon--cyan    { color: var(--c-cyan);    text-shadow: var(--glow-cyan); }
.neon--lime    { color: var(--c-lime);    text-shadow: var(--glow-lime); }
.neon--amber   { color: var(--c-amber);   text-shadow: var(--glow-amber); }

/* ---------- Buttons ---------- */
.btn {
  --btn-c: var(--c-magenta);
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-base);
  padding: 12px 26px; min-height: 44px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--btn-c);
  color: #fff; background: transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn--lg { font-size: var(--text-lg); padding: 15px 34px; }
.btn--neon {
  background: color-mix(in srgb, var(--btn-c) 16%, transparent);
  box-shadow: var(--glow-magenta), inset 0 0 12px color-mix(in srgb, var(--btn-c) 30%, transparent);
}
.btn--neon:hover { transform: translateY(-2px); background: color-mix(in srgb, var(--btn-c) 26%, transparent); text-decoration: none; }
.btn--neon:active { transform: translateY(0); }
.btn--ghost { border-color: var(--c-line); color: var(--c-ink); }
.btn--ghost:hover { border-color: var(--c-cyan); box-shadow: var(--glow-cyan); text-decoration: none; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--c-bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
}
.nav { display: flex; align-items: center; gap: var(--space-lg); padding-block: var(--space-md); }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--c-magenta); }
.logo:hover { text-decoration: none; }
.logo__mark { color: var(--c-magenta); filter: drop-shadow(0 0 6px rgba(255,46,147,.6)); display: inline-flex; }
.logo__word { font-family: var(--font-display); line-height: .95; display: grid; }
.logo__word b { color: var(--c-ink); font-weight: 800; font-size: var(--text-lg); }
.logo__word span { color: var(--c-cyan); font-weight: 700; font-size: var(--text-sm); letter-spacing: .04em; text-shadow: var(--glow-cyan); }
.nav__links { margin-left: auto; display: flex; gap: var(--space-lg); }
.nav__links a { color: var(--c-ink); font-weight: 500; }
.nav__links a:hover { color: var(--c-cyan); text-decoration: none; text-shadow: var(--glow-cyan); }
.nav__cta { --btn-c: var(--c-magenta); padding: 8px 22px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: var(--space-3xl) var(--space-2xl); min-height: 620px; display: flex; align-items: center; }
/* full-bleed hero art, anchored to the right; headline sits over the dark left */
.hero__art { position: absolute; top: 0; right: 0; bottom: 0; width: 66%; z-index: 0; }
.hero__art img {
  width: 100%; height: 100%; object-fit: cover; object-position: right center;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 30%);
          mask-image: linear-gradient(90deg, transparent 0, #000 30%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, var(--c-bg) 8%, rgba(14,11,26,.55) 30%, rgba(14,11,26,.08) 52%, transparent 68%);
}
.hero__grid { position: relative; z-index: 2; width: 100%; display: block; }
.hero__copy { max-width: 620px; }
.hero__title { font-size: var(--text-4xl); font-weight: 800; display: grid; gap: 2px; margin-bottom: var(--space-lg); }
.hero__lede { font-size: var(--text-xl); color: var(--c-muted); max-width: 32ch; margin-bottom: var(--space-xl); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.hero__meta { margin-top: var(--space-lg); color: var(--c-muted); font-size: var(--text-sm); letter-spacing: .02em; }

/* ---------- How it works ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); counter-reset: step; }
.step { text-align: center; }
.step__badge { position: relative; display: inline-block; width: 96px; margin: 0 auto var(--space-md); }
.step__icon { width: 96px; height: 96px; display: block; mix-blend-mode: screen; }
.step__num {
  position: absolute; top: -4px; right: -6px;
  width: 34px; height: 34px; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg);
  color: #0b0920; background: var(--c-cyan); border-radius: 50%;
  box-shadow: var(--glow-cyan);
}
.step__title { font-size: var(--text-xl); margin-bottom: var(--space-sm); color: var(--c-ink); }
.step p { color: var(--c-muted); max-width: 34ch; margin-inline: auto; }

/* ---------- Features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.card {
  background: linear-gradient(180deg, var(--c-panel), var(--c-bg-2));
  border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(255,46,147,.5); box-shadow: var(--glow-magenta); }
.card__icon { width: 56px; height: 56px; display: block; margin-bottom: var(--space-md); mix-blend-mode: screen; }
.card__title { font-size: var(--text-lg); margin-bottom: var(--space-sm); color: var(--c-ink); }
.card p { color: var(--c-muted); }

/* ---------- CTA band ---------- */
.cta-band__inner {
  text-align: center; padding: var(--space-2xl) var(--space-lg);
  border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  background: radial-gradient(80% 120% at 50% 0%, rgba(180,255,58,.10), transparent 70%), var(--c-bg-2);
}
.cta-band__inner h2 { font-size: var(--text-3xl); margin-bottom: var(--space-sm); }
.cta-band__inner p { color: var(--c-muted); font-size: var(--text-lg); margin-bottom: var(--space-xl); }
.cta-band .hero__actions { justify-content: center; }

/* ---------- FAQ ---------- */
.faq__list { max-width: 760px; margin-inline: auto; display: grid; gap: var(--space-md); }
.qa {
  background: var(--c-bg-2); border: 1px solid var(--c-line); border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}
.qa summary {
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg);
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--space-md);
}
.qa summary::after { content: "+"; color: var(--c-cyan); font-size: var(--text-xl); text-shadow: var(--glow-cyan); }
.qa[open] summary::after { content: "–"; }
.qa summary::-webkit-details-marker { display: none; }
.qa p { color: var(--c-muted); margin-top: var(--space-md); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--c-line); background: #08061299; padding-block: var(--space-2xl) var(--space-lg); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-xl); }
.footer__tag { color: var(--c-amber); font-family: var(--font-display); font-weight: 600; margin-top: var(--space-md); max-width: 24ch; }
.logo--footer { color: var(--c-magenta); }
.footer__col { display: grid; gap: var(--space-sm); align-content: start; }
.footer__col h2 { font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .12em; color: var(--c-muted); font-family: var(--font-body); font-weight: 700; margin-bottom: var(--space-xs); }
.footer__col a { color: var(--c-ink); }
.footer__col a:hover { color: var(--c-cyan); text-decoration: none; }
.footer__base { margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid var(--c-line); color: var(--c-muted); font-size: var(--text-sm); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { display: block; min-height: 0; padding-block: var(--space-2xl); }
  .hero::after { display: none; }
  .hero__art { position: static; width: 100%; margin-top: var(--space-xl); border-radius: var(--radius-lg); overflow: hidden; }
  .hero__art img { height: auto; object-fit: contain; -webkit-mask-image: none; mask-image: none; }
  .hero__copy { max-width: none; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .nav__links { display: none; }          /* keep logo + Play; sections reachable by scroll */
  .steps { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .feature-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .hero__title { font-size: clamp(2.25rem, 11vw, 3rem); }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}