/* Page layout: sticky header, hero, numbered step sections, cheat-sheet
   table, footer, responsive tiers. */

/* ---- Header ---- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 26px;
  background: rgba(11, 13, 21, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.brand {
  font: 600 19px var(--display);
  color: var(--ink);
  text-decoration: none;
}

.brand-glyph {
  font-style: italic;
  color: var(--red);
  margin-right: 2px;
}

.head-links {
  display: flex;
  gap: 18px;
}

.head-links a {
  font: 600 13px var(--mono);
  color: var(--ink-soft);
  text-decoration: none;
}
.head-links a:hover { color: var(--blue); }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 88svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 70px 24px;
}

.hero-bg { position: absolute; inset: 0; }
.hero-bg canvas { width: 100%; height: 100%; }

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero h1 {
  font-size: clamp(52px, 9vw, 86px);
  margin: 10px 0 6px;
  text-shadow: 0 0 50px rgba(88, 196, 221, 0.35);
}

.hero-verbs {
  font: 600 clamp(21px, 3.6vw, 30px) var(--display);
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-verbs span {
  padding: 1px 10px;
  border-radius: 6px;
}
.hero-verbs .u-green { color: var(--green); background: color-mix(in srgb, var(--green) 13%, transparent); }
.hero-verbs .u-orange { color: var(--orange); background: color-mix(in srgb, var(--orange) 13%, transparent); }
.hero-verbs .u-pink { color: var(--pink); background: color-mix(in srgb, var(--pink) 13%, transparent); }

.hero-sub {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto;
}

.hero-cta {
  display: inline-block;
  margin-top: 30px;
  font-size: 20px;
  padding: 14px 32px;
  text-decoration: none;
}

.hero-meta {
  margin-top: 20px;
  font: 600 12.5px var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero-lib {
  display: inline-block;
  margin-top: 14px;
  font: 600 13px var(--mono);
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px dotted var(--blue);
}

/* ---- Step sections ---- */
.step {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 92px 24px 24px;
}

.step-head {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.step-num {
  position: absolute;
  top: -54px;
  left: 50%;
  transform: translateX(-50%);
  font: 600 130px var(--display);
  color: var(--c, var(--ink));
  opacity: 0.12;
  pointer-events: none;
  line-height: 1;
}

.step h2 {
  font-size: clamp(32px, 5vw, 44px);
  margin: 6px 0 14px;
}

.step h3 {
  font-size: 24px;
  margin: 48px 0 10px;
  text-align: center;
}

.step .lede { text-align: left; }

/* ---- Cheat sheet ---- */
.cheat-wrap { overflow-x: auto; margin: 34px auto 0; max-width: 760px; }

table.cheat {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: rgba(18, 22, 36, 0.72);
  border: 1px solid var(--rule);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  font-size: 16px;
}

.cheat th {
  font: 600 12px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  background: rgba(132, 160, 220, 0.12);
  color: var(--ink);
  padding: 12px 18px;
}

.cheat td {
  padding: 11px 18px;
  border-top: 1px solid var(--rule);
  vertical-align: top;
  color: var(--ink-soft);
}

.cheat td strong { color: var(--ink); }

.cheat td:first-child {
  font: 600 15px var(--mono);
  white-space: nowrap;
}

.cheat .muted { color: var(--ink-faint); }

/* ---- Footer ---- */
.site-foot {
  margin-top: 80px;
  padding: 56px 24px 48px;
  text-align: center;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 15.5px;
}

.site-foot .foot-links {
  margin-top: 12px;
  font: 600 13px var(--mono);
}

.site-foot a { color: var(--blue); }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .step { padding: 64px 14px 16px; }
  .step-num { font-size: 90px; top: -40px; }
  .widget { padding: 14px 12px; }
  .eq-display { font-size: 15.5px; min-height: 30px; }
  .ctrl-row { flex-wrap: wrap; row-gap: 6px; }
  .ctrl-label { min-width: 0; width: 100%; text-align: left; font-size: 14px; }
  .ctrl-value { order: 3; }
  .ctrl-row input[type='range'] { order: 2; min-width: 0; }
  .wiggle-btn { order: 4; }
  .head-links a:not(.head-boss) { display: none; }
  .hero { min-height: 76svh; }
  .stars { font-size: 24px; letter-spacing: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}