/* =========================================================================
   COMET CAT — styles.css
   Plain CSS. No build step. Mobile-first.
   Section background rhythm: dark → gold → dark.
   Palette drawn from embercurve.fun (gold/ember, warm ink) and
   meteora.ag (gold-to-ember meteor gradient, violet accent).
   ========================================================================= */

/* ----------------------------- tokens ---------------------------------- */
:root {
  --gold:      #F5BD00;
  --gold-lite: #FFD23F;
  --gold-pale: #FFF0B8;
  --ember:     #F54B00;
  --violet:    #6E45FF;
  --ink:       #12121C;
  --cream:     #F7F6F3;

  --font-display: 'Anton', 'Arial Narrow', 'Oswald', Impact, system-ui, sans-serif;
  --font-body:    'Space Grotesk', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono:    'Space Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;

  --wrap: 1080px;
  --pad:  clamp(1.15rem, 5vw, 2.75rem);
  --radius: 16px;
}

/* ----------------------------- reset ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.012em;
  text-transform: uppercase;
  text-wrap: balance;
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.s-gold :focus-visible { outline-color: var(--ink); }

/* ----------------------------- helpers ------------------------------- */
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(3.5rem, 10vw, 7rem); }

/* offset anchored scrolling so headings clear the sticky nav */
section[id], footer[id] { scroll-margin-top: 76px; }

.s-dark { background: var(--ink);  color: var(--cream); }
.s-gold { background: var(--gold); color: var(--ink); }

.s-dark h2 { text-shadow: 0.045em 0.045em 0 var(--ember); }
.s-gold h2 { text-shadow: 0.045em 0.045em 0 var(--ember); }

.section__head { max-width: 46ch; }
.section__head h2 { font-size: clamp(2.1rem, 8vw, 3.6rem); }
.section__lead {
  margin: 1rem 0 0;
  font-size: clamp(1.05rem, 3.4vw, 1.3rem);
  font-weight: 500;
}
.s-dark .section__lead { color: rgba(247, 246, 243, 0.82); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 0.75rem; top: -3rem; z-index: 200;
  background: var(--gold); color: var(--ink);
  padding: 0.6rem 1rem; border-radius: 10px; font-weight: 700;
  text-decoration: none; transition: top 0.15s ease;
}
.skip-link:focus { top: 0.75rem; }

.hc-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ----------------------------- buttons ------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.015em;
  padding: 0.9em 1.45em;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.12s ease, box-shadow 0.14s ease,
              background-color 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 0 0 rgba(245, 189, 0, 0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -10px rgba(245, 189, 0, 0.65);
}
.s-gold .btn-primary { background: var(--ink); color: var(--gold); }
.s-gold .btn-primary:hover { box-shadow: 0 14px 34px -12px rgba(18, 18, 28, 0.55); }

.btn-ghost {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
}
.btn-ghost:hover { transform: translateY(-2px); background: var(--cream); color: var(--ink); }
.s-gold .btn-ghost:hover { background: var(--ink); color: var(--gold); }

.btn .arrow { font-size: 0.9em; transition: transform 0.14s ease; }
.btn:hover .arrow { transform: translate(2px, -2px); }

/* ----------------------------- nav -------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem var(--pad);
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.nav.scrolled {
  background: rgba(18, 18, 28, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cream);
}
.nav__brand .mark { width: 28px; height: 28px; }
.nav__links { display: none; align-items: center; gap: 1.5rem; font-size: 0.92rem; }
.nav__links a { text-decoration: none; opacity: 0.78; transition: opacity 0.12s ease, color 0.12s ease; }
.nav__links a:hover { opacity: 1; color: var(--gold); }
.nav__cta { padding: 0.65em 1.1em; font-size: 0.9rem; }

@media (min-width: 800px) {
  .nav__links { display: flex; }
}

/* ----------------------------- hero ------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 560px at 74% 12%, rgba(245, 189, 0, 0.28), transparent 60%),
    radial-gradient(820px 520px at 12% 96%, rgba(245, 75, 0, 0.22), transparent 55%),
    var(--ink);
  padding-block: clamp(2.5rem, 8vw, 5rem) clamp(3.5rem, 10vw, 7rem);
}
.hero__grid {
  display: grid;
  gap: clamp(1.75rem, 6vw, 3.5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.08fr 0.92fr; }
}

.hero__eyebrow { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.1rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.45em 0.85em;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(247, 246, 243, 0.92);
}
.chip .sol { width: 16px; height: 13px; }

.wordmark {
  font-family: var(--font-display);
  font-size: clamp(3.3rem, 17vw, 8.5rem);
  line-height: 0.82;
  letter-spacing: 0.005em;
  text-shadow: 0.05em 0.05em 0 var(--ember);
  margin: 0;
}
.wordmark__a { color: var(--cream); }
.wordmark__b { color: var(--gold); position: relative; }
.wordmark__b::after {
  content: "";
  position: absolute;
  left: 0.02em; right: 0.02em; bottom: -0.06em;
  height: 0.085em;
  background: var(--ember);
  border-radius: 3px;
  transform: rotate(-1.2deg);
}

.hero__tag {
  margin: 1.25rem 0 0;
  font-size: clamp(1.05rem, 3.6vw, 1.45rem);
  font-weight: 500;
  max-width: 34ch;
  color: rgba(247, 246, 243, 0.9);
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.5rem; }

.hero__art {
  position: relative;
  justify-self: center;
  width: min(420px, 82vw);
}
.hero__art .art-img,
.hero__art .art-fallback {
  width: 100%;
  filter: drop-shadow(0 26px 64px rgba(245, 189, 0, 0.3));
  animation: bob 5.5s ease-in-out infinite;
}
.hero__art [hidden] { display: none; }

.spark {
  position: absolute;
  color: var(--gold-lite);
  opacity: 0.85;
  animation: twinkle 3.4s ease-in-out infinite;
}
.spark--a { top: 8%;  left: -4%;  width: 26px; animation-delay: 0s; }
.spark--b { top: 62%; right: -6%; width: 34px; color: var(--violet); animation-delay: 0.8s; }
.spark--c { bottom: 4%; left: 14%; width: 20px; animation-delay: 1.6s; }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes twinkle {
  0%, 100% { transform: scale(0.7); opacity: 0.25; }
  50%      { transform: scale(1);   opacity: 0.95; }
}

/* ---------------------- contract address block ------------------ */
/* Only ever sits on a dark background (hero, footer) — no light-section
   variant needed. */
.ca {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.6rem;
  padding: 0.6rem 0.6rem 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
}
.foot .ca { background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.14); }

.ca__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  width: 100%;
}
.ca__addr {
  flex: 1 1 14ch;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
  word-break: break-all;
}
.copy-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  padding: 0.55em 0.95em;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  background: var(--gold);
  color: var(--ink);
  transition: background-color 0.14s ease, transform 0.12s ease;
}
.copy-btn:hover { transform: translateY(-1px); }
.copy-btn.is-done { background: var(--ember); color: var(--cream); }

/* ----------------------------- mechanic ------------------------- */
.steps {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: clamp(2rem, 6vw, 3rem);
}
@media (min-width: 820px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}
.step {
  background: var(--ink);
  color: var(--cream);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem 1.6rem;
  box-shadow: 8px 8px 0 rgba(18, 18, 28, 0.9);
}
.step__n {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--gold);
  line-height: 1;
}
.step__t {
  font-family: var(--font-display);
  font-size: 1.3rem;
  text-transform: uppercase;
  margin: 0.5rem 0 0.5rem;
  letter-spacing: 0.02em;
}
.step__b { margin: 0; font-size: 0.98rem; color: rgba(247, 246, 243, 0.82); }

.callout {
  margin-top: 1.75rem;
  padding: 1.1rem 1.35rem;
  border-left: 5px solid var(--ember);
  border-radius: 0 12px 12px 0;
  background: rgba(18, 18, 28, 0.07);
  font-weight: 500;
}
.callout code {
  font-family: var(--font-mono);
  background: rgba(18, 18, 28, 0.1);
  padding: 0.1em 0.4em;
  border-radius: 5px;
}

.aside-lp {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  font-size: 0.98rem;
  max-width: 60ch;
}
.aside-lp .tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35em 0.6em;
  border-radius: 8px;
  background: var(--ink);
  color: var(--gold);
}

/* ----------------------------- lore --------------------------- */
.lore__body {
  margin-top: 1.5rem;
  font-size: clamp(1.1rem, 3.6vw, 1.5rem);
  font-weight: 500;
  line-height: 1.5;
  max-width: 40ch;
  color: rgba(247, 246, 243, 0.9);
}
.lore__kicker {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ----------------------------- footer ---------------------- */
.foot { background: var(--ink); color: var(--cream); }
.foot__cta {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.6rem);
  text-transform: uppercase;
  text-shadow: 0.045em 0.045em 0 var(--ember);
  max-width: 18ch;
}
.foot__row { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 1.5rem; }
.socials { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 2rem; }
.social {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.7em 1.05em;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform 0.12s ease, background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.social:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--gold);
  color: var(--gold);
}
.social svg { width: 18px; height: 18px; }

.foot__meta {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.fineprint { font-size: 0.78rem; line-height: 1.6; color: rgba(247, 246, 243, 0.5); max-width: 68ch; }
.copyright { margin-top: 0.9rem; font-family: var(--font-mono); font-size: 0.72rem; color: rgba(247, 246, 243, 0.4); }

/* ----------------------- scroll reveal ------------------- */
/* Default state is VISIBLE. main.js adds .reveal-armed to <html> only when it
   can actually run the animation, so with no JS (or a thumbnail grab) the page
   is fully readable at rest. */
.reveal-armed [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.reveal-armed [data-reveal].is-in { opacity: 1; transform: none; }

/* ----------------------- reduced motion ----------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero__art .art-img, .hero__art .art-fallback, .spark { animation: none; }
  .btn, .social, .copy-btn { transition: none; }
}