/* Spark UC — GitHub Pages hub (distinct from pubgredeemerbot.com) */
:root {
  --ink: #070806;
  --ink-2: #10120e;
  --panel: #161914;
  --line: rgba(232, 240, 210, 0.12);
  --text: #e8f0d2;
  --muted: #9aa68a;
  --signal: #c8f542;
  --signal-dim: rgba(200, 245, 66, 0.14);
  --ember: #ff7a45;
  --sky: #7ec8ff;
  --max: 1120px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 4px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(200, 245, 66, 0.16), transparent 55%),
    radial-gradient(700px 420px at 100% 0%, rgba(255, 122, 69, 0.12), transparent 50%),
    linear-gradient(180deg, #0b0d09 0%, var(--ink) 40%, #050604 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: linear-gradient(rgba(232, 240, 210, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 240, 210, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--sky);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--signal);
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--signal);
  color: #111;
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip:focus {
  left: 0.75rem;
  top: 0.75rem;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 8, 6, 0.78);
  border-bottom: 1px solid var(--line);
}

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  font-size: 0.92rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--signal);
}

.nav .pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border: 1px solid rgba(200, 245, 66, 0.35);
  background: var(--signal-dim);
  color: var(--signal);
  text-decoration: none;
  font-weight: 600;
  border-radius: 999px;
}

/* Hero — one composition */
.hero {
  padding: 4.5rem 0 3.25rem;
  position: relative;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 1.25rem;
}

.hero-kicker::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 16px var(--signal);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.35rem, 6vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 1.1rem;
  max-width: 14ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--signal);
}

.hero-lead {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.12rem;
  margin: 0 0 1.75rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: var(--signal);
  color: #12140c;
}

.btn-primary:hover {
  color: #12140c;
  background: #d8ff6a;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: rgba(200, 245, 66, 0.45);
  color: var(--signal);
}

.btn-ember {
  background: rgba(255, 122, 69, 0.12);
  border-color: rgba(255, 122, 69, 0.35);
  color: #ffb08a;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.link-row a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 245, 66, 0.35);
}

.link-row a:hover {
  color: var(--signal);
}

/* Sections */
section {
  padding: 3.5rem 0;
  position: relative;
  z-index: 1;
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 40rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.6rem;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.band {
  border-block: 1px solid var(--line);
  background: rgba(16, 18, 14, 0.65);
}

/* Feature strips — not card grid spam */
.strips {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.strip {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.25rem;
  padding: 1.35rem 1.4rem;
  border-bottom: 1px solid var(--line);
}

.strip:last-child {
  border-bottom: 0;
}

.strip code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--signal);
  word-break: break-all;
}

.strip h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 700px) {
  .strip {
    grid-template-columns: 1fr;
  }
}

/* Media figure */
.shot {
  margin: 0;
  border: 1px solid var(--line);
  background: #000;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  transform: scale(1.01);
  transition: transform 0.7s ease;
}

.shot:hover img {
  transform: scale(1.04);
}

.shot figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.media-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 860px) {
  .media-grid.split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
  .media-grid.split.reverse > :first-child {
    order: 2;
  }
}

/* Code */
.terminal {
  border: 1px solid var(--line);
  background: #050605;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.terminal-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #333;
}
.terminal-bar span:nth-child(1) {
  background: #ff5f57;
}
.terminal-bar span:nth-child(2) {
  background: #febc2e;
}
.terminal-bar span:nth-child(3) {
  background: #28c840;
}

.terminal pre {
  margin: 0;
  padding: 1.1rem 1.15rem 1.3rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: #d7e6b8;
}

.terminal .cm {
  color: #6f7a60;
}
.terminal .ok {
  color: var(--signal);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.25);
}

tr:last-child td {
  border-bottom: 0;
}

code.inline {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--signal);
  background: var(--signal-dim);
  padding: 0.1em 0.35em;
}

/* FAQ */
.faq details {
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--panel);
  padding: 0.95rem 1.1rem;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--signal);
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 0.75rem 0 0.15rem;
  color: var(--muted);
}

/* Recipe list */
.recipe {
  display: grid;
  gap: 1.5rem;
}

.recipe article {
  border-left: 3px solid var(--signal);
  padding: 0.25rem 0 0.25rem 1.1rem;
}

.recipe h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
}

.recipe p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

/* Footer */
.foot {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.foot-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 760px) {
  .foot-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.foot strong {
  color: var(--text);
  font-family: var(--font-display);
}

.foot ul {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
}

.foot li {
  margin: 0.35rem 0;
}

.disclaimer {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  max-width: 52rem;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

.hero h1 {
  animation: rise 0.9s ease both;
}
.hero-lead {
  animation: rise 0.9s ease 0.12s both;
}
.cta-row {
  animation: rise 0.9s ease 0.22s both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}