/* ============================================================
   CodingInABox — marketing.css  (Wave 3a polish)
   Loaded AFTER lms.css on the 5 marketing pages only:
   index, about, competitions, contact, sponsorship.
   Restraint contract: unified section rhythm, clamp() type
   scale, glow limited to hero accent spans + stat numbers,
   shift-free hovers, scroll reveals (html.js scoped).
   ============================================================ */

/* ── Section rhythm ────────────────────────────────────────── */
.section { padding-block: var(--section-pad); }
.section-inner { max-width: var(--content-max); margin-inline: auto; }

/* ── Type scale ────────────────────────────────────────────── */
.hero-title {
  font-size: var(--fs-hero);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.section-title {
  font-size: var(--fs-h2);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.lead {
  font-size: var(--fs-lead);
  color: var(--text-2);
}

/* ── Glow restraint: plain heading + 2px cyan underline ────── */
.heading-accent {
  color: var(--text-1);
  text-shadow: none;
  position: relative;
  padding-bottom: 0.75rem;
}
.heading-accent::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.5rem;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--neon-cyan), rgba(0, 240, 255, 0));
}
/* Centered headings (self-centered or centered by parent). */
.heading-accent.text-center::after,
.text-center .heading-accent::after {
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, rgba(0, 240, 255, 0), var(--neon-cyan), rgba(0, 240, 255, 0));
}

/* ── CTA hover: gradient slide, no layout shift ────────────── */
.cta-cyber {
  background-size: 200% 100%;
  transition: background-position .3s var(--ease), transform .2s var(--ease), box-shadow .3s var(--ease);
}
.cta-cyber:hover {
  background-position: 100% 0;
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-cyan);
}
.cta-cyber:active { transform: translateY(0); }

/* ── Card hover (deepens the lms.css opt-in lift) ──────────── */
.card-hover {
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .3s var(--ease);
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .45), var(--shadow-glow-cyan);
}

/* ── Scroll reveal (hidden state scoped to html.js so no-JS
      visitors always see the content) ───────────────────────── */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}
html.js [data-reveal].revealed {
  opacity: 1;
  transform: none;
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
html.js [data-reveal-delay="1"].revealed { transition-delay: .1s; }
html.js [data-reveal-delay="2"].revealed { transition-delay: .2s; }
html.js [data-reveal-delay="3"].revealed { transition-delay: .3s; }

/* ── Icon sizing utils ─────────────────────────────────────── */
.icon-sm { font-size: 18px; }
.icon-md { font-size: 24px; }

/* ── Reduced motion: show everything, kill transforms ──────── */
@media (prefers-reduced-motion: reduce) {
  html.js [data-reveal],
  html.js [data-reveal].revealed {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .cta-cyber, .card-hover { transition: none; }
  .cta-cyber:hover, .cta-cyber:active, .card-hover:hover { transform: none; }
}