.kit-page { --kit-panel: rgba(15, 18, 23, .86); }

.kit-hero {
  position: relative;
  isolation: isolate;
  min-height: 720px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: clamp(92px, 11vw, 150px) 0 110px;
}

.kit-horizon {
  position: absolute;
  z-index: -3;
  inset: 0;
  background: url("../../assets/brand/lunar-horizon.webp") center bottom / min(1500px, 128vw) auto no-repeat;
  opacity: .46;
  filter: saturate(.62) contrast(1.07);
}

.kit-hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 83% 26%, transparent 0 118px, rgba(242,239,231,.27) 119px 120px, transparent 121px 169px, rgba(103,207,200,.13) 170px 171px, transparent 172px),
    linear-gradient(100deg, var(--void) 4%, rgba(7,9,13,.95) 55%, rgba(7,9,13,.38));
  content: "";
}

.kit-hero::after {
  position: absolute;
  z-index: -1;
  top: 19%;
  right: 14.2%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal-bright);
  box-shadow: 0 0 24px rgba(239,109,92,.82);
  content: "";
}

.kit-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, .58fr);
  gap: clamp(54px, 8vw, 112px);
  align-items: center;
}

.kit-hero h1 { max-width: 800px; }

.kit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 31px;
}

.kit-boundary {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(28px, 3.8vw, 44px);
  background: linear-gradient(145deg, rgba(103,207,200,.06), transparent 57%), rgba(10,12,16,.88);
  box-shadow: 0 28px 72px rgba(0,0,0,.34);
}

.kit-boundary-label,
.kit-file-type,
.kit-code-toolbar,
.kit-specs dt {
  color: var(--data);
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.kit-boundary-start { margin: 15px 0 0; color: var(--moon); font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.12; }
.kit-boundary > span { display: block; margin: 8px 0 -4px; color: var(--regolith); font-size: .88rem; }
.kit-boundary ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); list-style: none; }
.kit-boundary li { border: 1px solid rgba(103,207,200,.28); border-radius: 999px; padding: 6px 9px; color: var(--moon-soft); font-family: var(--mono); font-size: .59rem; letter-spacing: .04em; }

.kit-assets { background: var(--void); }
.kit-assets .section-heading { max-width: 880px; }

.kit-poster-card {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(24px, 4vw, 54px);
  background:
    radial-gradient(620px 370px at 14% 12%, rgba(103,207,200,.055), transparent 70%),
    var(--kit-panel);
}

.kit-poster-figure {
  max-width: 440px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(242,239,231,.2);
  border-radius: 16px;
  background: var(--void);
  box-shadow: 0 25px 65px rgba(0,0,0,.44);
}

.kit-poster-figure img,
.kit-banner-figure img { display: block; width: 100%; height: auto; }

.kit-poster-copy h3,
.kit-banner-copy h3 { margin: 18px 0 15px; font-size: clamp(2rem, 4vw, 3.6rem); }
.kit-poster-copy > p,
.kit-banner-copy > p { max-width: 650px; color: var(--regolith); font-size: 1.03rem; }

.kit-specs { display: grid; margin: 31px 0 0; border-top: 1px solid var(--line); }
.kit-specs div { display: grid; grid-template-columns: 90px 1fr; gap: 18px; border-bottom: 1px solid var(--line); padding: 15px 0; }
.kit-specs dt { color: var(--signal-bright); }
.kit-specs dd { margin: 0; color: var(--moon-soft); font-size: .86rem; }

.kit-banner-card {
  display: grid;
  grid-template-columns: minmax(260px, .46fr) minmax(0, 1fr);
  gap: clamp(38px, 6vw, 76px);
  align-items: center;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(28px, 4vw, 54px);
  background: #0b0e12;
}

.kit-banner-copy .button { margin-top: 18px; }
.kit-banner-figure { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: var(--void); box-shadow: 0 22px 58px rgba(0,0,0,.34); }

.kit-embed-grid {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(420px, 1.25fr);
  gap: clamp(50px, 8vw, 104px);
  align-items: start;
}

.kit-embed-grid h2 { max-width: 580px; }
.kit-embed-note { margin-top: 28px; color: var(--regolith); font-size: .84rem; }
.kit-embed-note code { border: 1px solid var(--line); border-radius: 5px; padding: 2px 5px; background: var(--surface); color: var(--data); font-family: var(--mono); font-size: .76rem; }

.kit-code-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #080a0e; box-shadow: 0 24px 64px rgba(0,0,0,.3); }
.kit-code-toolbar { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding: 9px 13px 9px 18px; }
.kit-copy-button { min-height: 36px; border: 1px solid rgba(103,207,200,.48); border-radius: 7px; padding: 8px 11px; background: rgba(103,207,200,.07); color: var(--data); font-size: .7rem; font-weight: 700; cursor: pointer; }
.kit-copy-button:hover { border-color: var(--data); background: rgba(103,207,200,.13); }
.kit-copy-button:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

.kit-code-card textarea {
  display: block;
  width: 100%;
  height: 310px;
  resize: vertical;
  border: 0;
  border-radius: 0;
  padding: 22px;
  background: #080a0e;
  color: var(--moon-soft);
  font-family: var(--mono);
  font-size: .74rem;
  line-height: 1.7;
  tab-size: 2;
}

.kit-code-card textarea:focus-visible { outline: 2px solid var(--data); outline-offset: -3px; }
.kit-copy-status { min-height: 34px; margin: 0; border-top: 1px solid var(--line); padding: 8px 18px; color: var(--regolith); font-size: .72rem; }

.kit-final { position: relative; overflow: hidden; border-top: 1px solid var(--line); background: radial-gradient(700px 420px at 80% 100%, rgba(217,75,61,.07), transparent 70%), var(--void); }
.kit-final-inner { max-width: 820px; }
.kit-final h2 { margin-bottom: 22px; }
.kit-final .section-lede strong { color: var(--moon); overflow-wrap: anywhere; }

@media (max-width: 900px) {
  .kit-hero-grid,
  .kit-poster-card,
  .kit-banner-card,
  .kit-embed-grid { grid-template-columns: 1fr; }
  .kit-hero { min-height: 0; }
  .kit-boundary { max-width: 620px; }
  .kit-banner-card { gap: 32px; }
  .kit-banner-copy { max-width: 650px; }
}

@media (max-width: 580px) {
  .kit-hero { padding: 76px 0 88px; }
  .kit-actions { display: grid; }
  .kit-actions .button { width: 100%; }
  .kit-poster-card,
  .kit-banner-card { border-radius: 16px; padding: 18px; }
  .kit-poster-copy { padding: 12px 4px 8px; }
  .kit-specs div { grid-template-columns: 1fr; gap: 5px; }
  .kit-code-toolbar { align-items: flex-start; flex-direction: column; }
  .kit-copy-button { width: 100%; }
  .kit-code-card textarea { height: 360px; padding: 17px; font-size: .68rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}