/* HelioSynth 2026: gateway to the self-contained Cathedral and Web Audio engines */
.nd-helio-launch {
  --helio-cream: #fff7e8;
  --helio-paper: #f4e8d6;
  --helio-ink: #35190d;
  --helio-ember: #c22b0e;
  --helio-orange: #f08a12;
  --helio-gold: #f7b32b;
  --helio-night: #08090d;
  --helio-line: rgba(247, 179, 43, .24);
  overflow: clip;
  background: var(--helio-night);
  color: var(--helio-paper);
}
.nd-helio-launch a { color: inherit; }
.nd-helio-launch__shell { width: min(calc(100% - clamp(2rem, 7vw, 8rem)), 1380px); margin-inline: auto; }
.nd-helio-launch__hero { position: relative; display: grid; min-height: min(940px, 94svh); align-content: center; padding: clamp(8.5rem, 14vw, 12rem) 0 4rem; isolation: isolate; }
.nd-helio-launch__hero::before { position: absolute; z-index: -3; inset: 0; content: ""; background: radial-gradient(circle at 72% 46%, rgba(240,138,18,.16), transparent 32%), linear-gradient(128deg, #050609 0 43%, #100906 73%, #060608 100%); }
.nd-helio-launch__hero::after { position: absolute; z-index: -2; inset: 0; content: ""; opacity: .2; background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg, transparent 0, #000 26%, #000 100%); }
.nd-helio-launch__field { position: absolute; z-index: -1; inset: 0; overflow: hidden; pointer-events: none; }
.nd-helio-launch__field i { position: absolute; top: 50%; right: 15%; width: clamp(15rem, 38vw, 40rem); aspect-ratio: 1; border: 1px solid rgba(247,179,43,.22); border-radius: 50%; transform: translate(50%,-50%); box-shadow: 0 0 5rem rgba(240,138,18,.08), inset 0 0 4rem rgba(240,138,18,.04); animation: nd-helio-orbit 22s linear infinite; }
.nd-helio-launch__field i:nth-child(2) { width: clamp(11rem, 29vw, 31rem); border-style: dashed; animation-direction: reverse; animation-duration: 31s; }
.nd-helio-launch__field i:nth-child(3) { width: clamp(7rem, 20vw, 22rem); animation-duration: 16s; }
.nd-helio-launch__field i:nth-child(4) { width: clamp(2rem, 7vw, 8rem); border: 0; background: radial-gradient(circle, rgba(255,245,211,.92) 0, rgba(247,179,43,.68) 12%, rgba(240,138,18,.19) 38%, transparent 70%); box-shadow: none; animation: nd-helio-pulse 5s ease-in-out infinite alternate; }
.nd-helio-launch__hero-grid { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(19rem, .78fr); gap: clamp(3rem, 9vw, 9rem); align-items: center; }
.nd-helio-launch__back { display: inline-block; margin-bottom: 3rem; color: #aea497 !important; font-family: var(--wp--preset--font-family--studio-mono); font-size: .58rem; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.nd-helio-launch__hero h1 { max-width: 10ch; margin: .8rem 0 2rem; color: var(--helio-cream); font-size: clamp(4rem, 8.5vw, 9.3rem); font-weight: 450; letter-spacing: -.075em; line-height: .79; }
.nd-helio-launch__hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1px rgba(247,179,43,.92); }
.nd-helio-launch__lede { max-width: 47rem; margin: 0 0 1.2rem; color: #f2e6d4; font-size: clamp(1.15rem, 1.65vw, 1.48rem); line-height: 1.55; }
.nd-helio-launch__hero-copy > p:not(.nd-index):not(.nd-helio-launch__lede) { max-width: 42rem; margin: 0; color: #a99f94; font-size: .92rem; line-height: 1.72; }
.nd-helio-launch__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.2rem; }
.nd-helio-launch__button { display: inline-flex !important; gap: 1.2rem; align-items: center; justify-content: center; min-height: 3.35rem; padding: .82rem 1.3rem !important; border: 1px solid rgba(247,179,43,.48) !important; border-radius: 999px !important; background: rgba(255,255,255,.02) !important; color: var(--helio-paper) !important; font-size: .72rem !important; font-weight: 620 !important; letter-spacing: .035em; text-decoration: none !important; transition: border-color .25s, background-color .25s, color .25s, transform .25s; }
.nd-helio-launch__button:hover { border-color: var(--helio-gold) !important; transform: translateY(-2px); }
.nd-helio-launch__button--primary { border-color: var(--helio-gold) !important; background: var(--helio-gold) !important; color: #170b04 !important; }
.nd-helio-launch__button--primary:hover { background: #ffd05c !important; }
.nd-helio-launch__sigil { position: relative; display: grid; width: min(100%, 32rem); aspect-ratio: 1; place-content: center; justify-self: end; border: 1px solid rgba(247,179,43,.32); border-radius: 50%; background: radial-gradient(circle, rgba(240,138,18,.22), rgba(8,9,13,.18) 55%, rgba(8,9,13,.76) 72%); box-shadow: inset 0 0 8rem rgba(240,138,18,.08), 0 0 10rem rgba(240,138,18,.09); text-align: center; }
.nd-helio-launch__sigil::before,.nd-helio-launch__sigil::after { position: absolute; inset: 11%; border: 1px solid rgba(247,179,43,.22); content: ""; transform: rotate(45deg); }
.nd-helio-launch__sigil::after { inset: 23%; border-style: dashed; transform: rotate(-12deg); }
.nd-helio-launch__sigil span,.nd-helio-launch__sigil b,.nd-helio-launch__sigil small { position: relative; z-index: 2; display: block; }
.nd-helio-launch__sigil span { color: var(--helio-gold); font-family: var(--wp--preset--font-family--studio-mono); font-size: clamp(.66rem, 1vw, .9rem); letter-spacing: .55em; }
.nd-helio-launch__sigil b { color: var(--helio-cream); font-size: clamp(3.1rem, 6vw, 6.8rem); font-weight: 460; letter-spacing: -.06em; line-height: .9; }
.nd-helio-launch__sigil small { max-width: 16rem; margin: 1.1rem auto 0; color: #a99b8c; font-family: var(--wp--preset--font-family--studio-mono); font-size: .48rem; letter-spacing: .16em; }
.nd-helio-launch__ledger { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin-top: clamp(4rem, 9vw, 8rem); border-block: 1px solid var(--helio-line); }
.nd-helio-launch__ledger span { display: grid; gap: .35rem; padding: 1rem 1.2rem; border-right: 1px solid var(--helio-line); color: #8f867d; font-family: var(--wp--preset--font-family--studio-mono); font-size: .5rem; letter-spacing: .08em; text-transform: uppercase; }
.nd-helio-launch__ledger span:last-child { border-right: 0; }
.nd-helio-launch__ledger b { color: var(--helio-gold); font-size: .72rem; font-weight: 550; }
.nd-helio-launch__nav { position: sticky; z-index: 20; top: 0; border-block: 1px solid rgba(247,179,43,.17); background: rgba(7,8,11,.88); backdrop-filter: blur(18px); }
.nd-helio-launch__nav > div { display: flex; gap: 1.4rem; align-items: center; min-height: 3.2rem; overflow-x: auto; scrollbar-width: none; }
.nd-helio-launch__nav a { flex: 0 0 auto; color: #b0a79c; font-family: var(--wp--preset--font-family--studio-mono); font-size: .53rem; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.nd-helio-launch__nav a:last-child { margin-left: auto; color: var(--helio-gold); }
.nd-helio-launch__intro,.nd-helio-launch__demo,.nd-helio-launch__library { padding: clamp(5rem, 10vw, 10rem) 0; }
.nd-helio-launch__intro { background: var(--helio-cream); color: var(--helio-ink); }
.nd-helio-launch__intro-grid,.nd-helio-launch__section-head { display: grid; grid-template-columns: minmax(19rem,.75fr) minmax(0,1.25fr); gap: clamp(2.5rem,8vw,8rem); align-items: start; }
.nd-helio-launch__intro h2,.nd-helio-launch__section-head h2 { margin: .8rem 0 0; font-size: clamp(3.3rem,6.6vw,7.4rem); font-weight: 450; letter-spacing: -.07em; line-height: .85; }
.nd-helio-launch__intro h2 em,.nd-helio-launch__section-head h2 em { color: var(--helio-orange); font-style: normal; }
.nd-helio-launch__intro-grid > div:last-child p,.nd-helio-launch__section-head > div:last-child p,.nd-helio-launch__section-head > p { color: #7f7164; font-size: .94rem; line-height: 1.75; }
.nd-helio-launch__intro-lede { margin-top: 0 !important; color: var(--helio-ink) !important; font-size: clamp(1.15rem,1.6vw,1.44rem) !important; line-height: 1.55 !important; }
.nd-helio-launch__intro blockquote { margin: 2.2rem 0 0; padding: 1.1rem 0 0 1.4rem; border-top: 1px solid rgba(53,25,13,.2); border-left: 2px solid var(--helio-orange); color: #5e3928; font-size: 1rem; font-style: italic; }
.nd-helio-launch__demo { background: #f5ead9; color: var(--helio-ink); }
.nd-helio-launch__demo--dark { background: #0b0c11; color: var(--helio-paper); }
.nd-helio-launch__demo--dark .nd-helio-launch__section-head > div:last-child p { color: #999189; }
.nd-helio-launch__section-head { margin-bottom: clamp(2.5rem,5vw,5rem); }
.nd-helio-launch__section-head > p { margin-top: .4rem; }
.nd-helio-launch__section-head ul { display: grid; gap: .55rem; margin: 1.4rem 0 0; padding: 0; color: #6d5b4d; font-family: var(--wp--preset--font-family--studio-mono); font-size: .6rem; letter-spacing: .035em; list-style: none; }
.nd-helio-launch__section-head li::before { margin-right: .65rem; color: var(--helio-orange); content: "✦"; }
.nd-helio-launch__quiet { color: #77716c !important; font-family: var(--wp--preset--font-family--studio-mono); font-size: .58rem !important; letter-spacing: .04em; }
.nd-helio-launch__notice { display: grid; grid-template-columns: auto 1fr; gap: .8rem 1.25rem; align-items: start; margin-bottom: 1rem; padding: 1rem 1.15rem; border: 1px solid rgba(194,43,14,.22); background: rgba(255,255,255,.46); color: #6d4f40; font-size: .72rem; line-height: 1.6; }
.nd-helio-launch__notice strong { color: var(--helio-ember); font-family: var(--wp--preset--font-family--studio-mono); font-size: .57rem; letter-spacing: .08em; text-transform: uppercase; }
.nd-helio-launch__frame { overflow: hidden; border: 1px solid rgba(53,25,13,.18); border-radius: .3rem; background: #fffaf2; box-shadow: 0 2rem 6rem rgba(53,25,13,.12); }
.nd-helio-launch__demo--dark .nd-helio-launch__frame { border-color: rgba(247,179,43,.22); background: #08090d; box-shadow: 0 2rem 7rem rgba(0,0,0,.32); }
.nd-helio-launch__frame iframe { display: block; width: 100%; height: clamp(790px,88vh,1080px); border: 0; background: #fffaf2; }
.nd-helio-launch__frame--drone iframe { height: clamp(720px,82vh,940px); background: #08090d; }
.nd-helio-launch__frame > a { display: flex; justify-content: space-between; padding: .9rem 1.1rem; border-top: 1px solid rgba(53,25,13,.16); color: #694635; font-family: var(--wp--preset--font-family--studio-mono); font-size: .56rem; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.nd-helio-launch__demo--dark .nd-helio-launch__frame > a { border-color: rgba(247,179,43,.18); color: var(--helio-gold); }
.nd-helio-launch__library { background: #06070a; }
.nd-helio-launch__library .nd-helio-launch__section-head > p { color: #979089; }
.nd-helio-launch__engine-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--helio-line); border-left: 1px solid var(--helio-line); }
.nd-helio-launch__engine-grid a { position: relative; display: flex; min-height: 21rem; flex-direction: column; padding: 1.35rem; overflow: hidden; border-right: 1px solid var(--helio-line); border-bottom: 1px solid var(--helio-line); color: #a79f97; text-decoration: none; transition: background-color .3s, color .3s, transform .3s; }
.nd-helio-launch__engine-grid a::after { position: absolute; right: -18%; bottom: -32%; width: 12rem; aspect-ratio: 1; border: 1px solid rgba(247,179,43,.1); border-radius: 50%; content: ""; box-shadow: 0 0 4rem rgba(240,138,18,.04); }
.nd-helio-launch__engine-grid a:hover { z-index: 2; background: rgba(240,138,18,.07); color: var(--helio-paper); transform: translateY(-3px); }
.nd-helio-launch__engine-grid i,.nd-helio-launch__engine-grid span,.nd-helio-launch__engine-grid small,.nd-helio-launch__engine-grid b { position: relative; z-index: 1; font-family: var(--wp--preset--font-family--studio-mono); font-style: normal; }
.nd-helio-launch__engine-grid i { color: var(--helio-gold); font-size: .6rem; letter-spacing: .12em; }
.nd-helio-launch__engine-grid span { margin-top: 3.2rem; color: var(--helio-orange); font-size: .5rem; letter-spacing: .1em; text-transform: uppercase; }
.nd-helio-launch__engine-grid strong { position: relative; z-index: 1; margin-top: .5rem; color: var(--helio-paper); font-size: clamp(1.7rem,2.5vw,2.8rem); font-weight: 470; letter-spacing: -.055em; line-height: .95; }
.nd-helio-launch__engine-grid small { margin-top: .8rem; color: #77736f; font-size: .52rem; line-height: 1.55; }
.nd-helio-launch__engine-grid b { margin-top: auto; padding-top: 1rem; border-top: 1px solid rgba(247,179,43,.16); color: var(--helio-gold); font-size: .5rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }
.nd-helio-launch__cathedral { display: grid; grid-template-columns: minmax(19rem,.85fr) minmax(0,1.15fr); gap: clamp(2.5rem,7vw,7rem); align-items: center; margin-top: clamp(4rem,8vw,8rem); padding: clamp(1.5rem,4vw,4rem); border: 1px solid var(--helio-line); background: linear-gradient(125deg, rgba(240,138,18,.08), rgba(255,255,255,.015)); }
.nd-helio-launch__cathedral > div { position: relative; width: min(100%,29rem); aspect-ratio: 1; margin: auto; border: 1px solid rgba(247,179,43,.22); border-radius: 50%; }
.nd-helio-launch__cathedral > div::before { position: absolute; inset: 29%; border-radius: 50%; content: ""; background: radial-gradient(circle, #fff7d3 0, var(--helio-gold) 10%, rgba(240,138,18,.22) 45%, transparent 72%); }
.nd-helio-launch__cathedral > div i { position: absolute; top: 50%; left: 50%; width: 72%; height: 1px; background: linear-gradient(90deg, transparent, rgba(247,179,43,.6), transparent); transform: translate(-50%,-50%) rotate(calc(var(--i,0) * 36deg)); }
.nd-helio-launch__cathedral > div i:nth-child(2){--i:1}.nd-helio-launch__cathedral > div i:nth-child(3){--i:2}.nd-helio-launch__cathedral > div i:nth-child(4){--i:3}.nd-helio-launch__cathedral > div i:nth-child(5){--i:4}
.nd-helio-launch__cathedral span > small { color: var(--helio-orange); font-family: var(--wp--preset--font-family--studio-mono); font-size: .54rem; letter-spacing: .1em; text-transform: uppercase; }
.nd-helio-launch__cathedral span > strong { display: block; max-width: 10ch; margin-top: .7rem; color: var(--helio-paper); font-size: clamp(3rem,5vw,6rem); font-weight: 450; letter-spacing: -.065em; line-height: .87; }
.nd-helio-launch__cathedral p { max-width: 42rem; color: #9c958e; font-size: .9rem; line-height: 1.72; }
.nd-helio-launch__footer-callout { position: relative; padding: clamp(6rem,12vw,12rem) 0; overflow: hidden; background: var(--helio-cream); color: var(--helio-ink); text-align: center; }
.nd-helio-launch__footer-callout::before { position: absolute; top: 50%; left: 50%; width: min(88vw,70rem); aspect-ratio: 1; border: 1px solid rgba(240,138,18,.16); border-radius: 50%; content: ""; transform: translate(-50%,-50%); box-shadow: inset 0 0 0 8vw rgba(240,138,18,.025), inset 0 0 0 16vw rgba(240,138,18,.025); }
.nd-helio-launch__footer-callout > div { position: relative; z-index: 1; }
.nd-helio-launch__footer-callout h2 { margin: 1rem auto; color: var(--helio-ink); font-size: clamp(3.6rem,8vw,8rem); font-weight: 450; letter-spacing: -.075em; line-height: .82; }
.nd-helio-launch__footer-callout h2 em { color: var(--helio-orange); font-style: normal; }
.nd-helio-launch__footer-callout > div > p:not(.nd-index) { max-width: 44rem; margin: 1.6rem auto; color: #766354; line-height: 1.7; }
.nd-helio-launch__footer-callout > div > div { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: center; margin-top: 2rem; }
.nd-helio-launch__footer-callout a { color: #6a3a23; font-family: var(--wp--preset--font-family--studio-mono); font-size: .6rem; letter-spacing: .07em; text-decoration: none; text-transform: uppercase; }
@keyframes nd-helio-orbit { to { transform: translate(50%,-50%) rotate(1turn); } }
@keyframes nd-helio-pulse { from { opacity: .65; transform: translate(50%,-50%) scale(.9); } to { opacity: 1; transform: translate(50%,-50%) scale(1.12); } }
@media (max-width: 980px) {
  .nd-helio-launch__hero { min-height: auto; }
  .nd-helio-launch__hero-grid,.nd-helio-launch__intro-grid,.nd-helio-launch__section-head,.nd-helio-launch__cathedral { grid-template-columns: 1fr; }
  .nd-helio-launch__sigil { width: min(72vw,31rem); justify-self: center; }
  .nd-helio-launch__ledger { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .nd-helio-launch__ledger span:nth-child(2) { border-right: 0; }
  .nd-helio-launch__ledger span:nth-child(-n+2) { border-bottom: 1px solid var(--helio-line); }
  .nd-helio-launch__engine-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .nd-helio-launch__engine-grid a { min-height: 18rem; }
}
@media (max-width: 640px) {
  .nd-helio-launch__shell { width: min(calc(100% - 1.4rem), 1380px); }
  .nd-helio-launch__hero { padding-top: 7.4rem; }
  .nd-helio-launch__hero h1 { font-size: clamp(3.35rem,16.5vw,5.2rem); }
  .nd-helio-launch__actions { align-items: stretch; flex-direction: column; }
  .nd-helio-launch__button { width: 100%; }
  .nd-helio-launch__ledger span { padding-inline: .7rem; }
  .nd-helio-launch__nav a:last-child { margin-left: 0; }
  .nd-helio-launch__intro h2,.nd-helio-launch__section-head h2 { font-size: clamp(3rem,14vw,4.8rem); }
  .nd-helio-launch__notice { grid-template-columns: 1fr; }
  .nd-helio-launch__frame iframe { height: 800px; }
  .nd-helio-launch__frame--drone iframe { height: 760px; }
  .nd-helio-launch__engine-grid { grid-template-columns: 1fr; }
  .nd-helio-launch__engine-grid a { min-height: 17rem; }
  .nd-helio-launch__cathedral { padding: 1rem; }
  .nd-helio-launch__cathedral span > strong { font-size: clamp(2.7rem,13vw,4.5rem); }
}
@media (prefers-reduced-motion: reduce) {
  .nd-helio-launch__field i { animation: none; }
}