/* Shared Apple-inspired design system for Hycean's public pages. */
:root {
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --cyan: #64d8f4;
  --teal: #82ded2;
  --line: rgba(190, 218, 232, .16);
  --muted: #b2c1cb;
  --dim: #8a9eab;
  font-optical-sizing: auto;
  color-scheme: dark;
}
html { scroll-behavior: smooth; }
body { font-family: var(--sans); font-size: 1rem; line-height: 1.58; letter-spacing: 0; }
h1,h2,h3 { font-family: var(--sans); font-weight: 620; letter-spacing: -.045em; line-height: 1.02; text-wrap: balance; }
p { line-height: 1.7; }
a,button { -webkit-tap-highlight-color: transparent; }
a:focus-visible,button:focus-visible { outline-color: var(--cyan); }

/* A single translucent navigation layer lets the page scroll beneath it. */
.nav-wrap { background: rgba(5,14,22,.76); border-bottom-color: rgba(190,218,232,.08); -webkit-backdrop-filter: blur(22px) saturate(150%); backdrop-filter: blur(22px) saturate(150%); transition: background-color .22s ease,border-color .22s ease; }
.nav-wrap.scrolled { background: rgba(5,14,22,.9); }
.nav-links { font-size: .875rem; letter-spacing: -.01em; }
.nav-links a:not(.nav-cta):hover { color: #fff; }
.nav-cta,.menu { border-radius: .7rem; font-size: .875rem; letter-spacing: 0; min-height: 44px; }
.nav-cta { padding: .7rem 1rem; color: #07151d; background: var(--cyan); border: 1px solid var(--cyan); box-shadow: none; text-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; transition: background-color .18s ease,transform .18s ease; }
.nav-cta:hover { background: #9beafa; border-color: #9beafa; color: #07151d; }
.menu { padding: .65rem .9rem; text-transform: none; }

/* Direct, high-contrast actions with immediate press feedback. */
.button { min-height: 52px; border-radius: .8rem; padding: .85rem 1.15rem; gap: 1.4rem; color: #07151d; background: var(--cyan); border: 1px solid var(--cyan); box-shadow: none; text-shadow: none; font-size: .9375rem; font-weight: 650; letter-spacing: -.01em; -webkit-backdrop-filter: none; backdrop-filter: none; transition: background-color .18s ease,border-color .18s ease,transform .12s ease; }
.button:hover { background: #9beafa; border-color: #9beafa; color: #07151d; transform: none; }
.button:active,.nav-cta:active { transform: scale(.98); }
.button::before,.nav-cta::before { display: none; }
.button.ghost { color: #f7fbff; background: rgba(12,27,39,.58); border-color: rgba(223,240,248,.32); box-shadow: inset 0 1px rgba(255,255,255,.08); text-shadow: none; }
.button.ghost:hover { color: #fff; background: rgba(34,60,76,.72); border-color: rgba(255,255,255,.62); }

/* HYC100: allow the product images to carry the cinematic moments. */
.home-site .starfield,.home-site .noise { display: none; }
.home-site::before { display: none; }
.home-site .hero h1 { letter-spacing: -.075em; line-height: .9; }
.home-site .hero-lead { color: #d0dbe2; }
.home-site .hero-specs { background: rgba(5,14,22,.78); }
.home-site .product-stage { border-radius: 1.25rem; }
.home-site .architecture-point { background: rgba(9,27,40,.9); }
.home-site .person-photo { border-radius: 1rem; }
.home-site .reveal { transform: translateY(12px); transition: opacity .38s ease,transform .38s cubic-bezier(.2,.7,.2,1); }
.home-site .reveal.in { transform: none; }
.home-site .operation-graphic { position: relative; max-width: 900px; margin-top: clamp(2.5rem,5vw,4rem); }
.home-site .operation-graphic svg { position: absolute; top: .35rem; left: 12.5%; width: 75%; height: 2px; overflow: visible; }
.home-site .operation-track { fill: none; stroke: rgba(100,216,244,.28); stroke-width: 2; stroke-dasharray: 1000; stroke-dashoffset: 1000; }
.home-site .operation-flow { fill: none; stroke: #d7f8ff; stroke-width: 3; stroke-dasharray: 46 1000; stroke-dashoffset: 1046; opacity: 0; filter: drop-shadow(0 0 5px rgba(100,216,244,.95)); }
.home-site .operation-graphic.is-visible .operation-flow { opacity: 1; animation: operation-travel 3.2s linear infinite; }
@keyframes operation-travel { to { stroke-dashoffset: 0; } }
.home-site .thesis-grid > .reveal.in .operation-track { stroke-dashoffset: 0; transition: stroke-dashoffset 1.5s cubic-bezier(.2,.7,.2,1) .12s; }
.home-site .operation-graphic ol { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; list-style: none; padding: 0; margin: 0; }
.home-site .operation-step { display: flex; flex-direction: column; align-items: center; gap: .45rem; text-align: center; opacity: 0; transform: translateY(10px); transition: opacity .38s ease,transform .38s ease; }
.home-site .thesis-grid > .reveal.in .operation-step { opacity: 1; transform: none; }
.home-site .operation-step.active::before { background: #d7f8ff; box-shadow: 0 0 0 6px rgba(100,216,244,.14),0 0 20px rgba(100,216,244,.8); transform: scale(1.14); }
.home-site .operation-step.active strong { color: var(--cyan); }
.home-site .operation-step.active span { color: #d7f8ff; }
.home-site .operation-step:nth-child(2) { transition-delay: .14s; }
.home-site .operation-step:nth-child(3) { transition-delay: .28s; }
.home-site .operation-step:nth-child(4) { transition-delay: .42s; }
.home-site .operation-step::before { content: ""; order: -1; width: .75rem; height: .75rem; border-radius: 50%; border: 2px solid var(--cyan); background: #07141e; box-shadow: 0 0 0 4px rgba(100,216,244,.08); }
.home-site .operation-step span { color: var(--dim); font: .75rem/1.3 var(--mono); letter-spacing: .08em; }
.home-site .operation-step strong { color: #f7fbff; font-size: 1rem; font-weight: 600; }
.home-site .blackbox-grid .blackbox-card,.home-site .economics-flow > div,.home-site .team .person { opacity: 0; transform: translateY(14px); transition: opacity .42s ease,transform .42s cubic-bezier(.2,.7,.2,1); }
.home-site .blackbox-grid.in .blackbox-card,.home-site .economics-flow.in > div,.home-site .team.in .person { opacity: 1; transform: none; }
.home-site .blackbox-card:nth-child(2),.home-site .economics-flow > div:nth-child(2),.home-site .person:nth-child(2) { transition-delay: .12s; }
.home-site .blackbox-card:nth-child(3),.home-site .economics-flow > div:nth-child(3),.home-site .person:nth-child(3) { transition-delay: .24s; }

/* Genesis: same ink, cyan, typography, and controls as HYC100. */
.genesis-site { --bg:#050e16; --soft:#0a1823; --border:var(--line); --text:#f7fbff; --muted:#b2c1cb; --dim:#8a9eab; --accent:var(--cyan); }
.genesis-site .cosmos { background-position: 64% center; }
.genesis-site .cosmos::after { background: linear-gradient(90deg,rgba(3,10,16,.9),rgba(3,10,16,.65) 48%,rgba(3,10,16,.38)),linear-gradient(0deg,rgba(3,10,16,.68),transparent 65%); opacity: 1; animation: none; }
.genesis-site .cosmos-video { display: none !important; }
.genesis-site .nav-wrap { background: rgba(5,14,22,.76); }
.genesis-site .nav-links { font-size: .875rem; }
.genesis-site .nav-cta { color: #07151d; }
.genesis-site .hero::before,.genesis-site .hero::after { display: none; }
.genesis-site .hero-inner { max-width: 1000px; padding: clamp(1.5rem,4vw,3.25rem); border-radius: 1.4rem; background: rgba(5,14,22,.84); border: 1px solid rgba(210,231,240,.16); box-shadow: 0 24px 70px rgba(0,0,0,.3); -webkit-backdrop-filter: blur(18px) saturate(120%); backdrop-filter: blur(18px) saturate(120%); }
.genesis-site .hero h1 { font-size: clamp(3.2rem,7.6vw,7.8rem); margin-bottom: 2rem; }
.genesis-site .hero h1 span { color: #aebfca; }
.genesis-site .hero-stat { border-color: rgba(210,231,240,.2); }
.genesis-site .hero-stat strong { font-size: clamp(1.7rem,3vw,2.15rem); }
.genesis-site .status { font-size: .75rem; }
.genesis-site section:not(.scale) .section-head,.genesis-site .equation,.genesis-site .stages,.genesis-site .chain-grid,.genesis-site .join-inner { background: transparent; border: 0; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
.genesis-site section:not(.scale) .section-head { padding: 0; }
.genesis-site .section-head { gap: clamp(2rem,6vw,5rem); }
.genesis-site .section-head h2 { text-shadow: none; }
.genesis-site .loop,.genesis-site .equation { background: rgba(7,19,28,.82); border: 1px solid var(--border); border-radius: 1rem; overflow: hidden; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
.genesis-site .loop-item { background: transparent; }
.genesis-site .loop-item:nth-child(4) { background: rgba(100,216,244,.08); }
.genesis-site .layers { gap: 1rem; }
.genesis-site .layer { background: rgba(8,23,34,.86); border: 1px solid var(--border); border-radius: 1rem; -webkit-backdrop-filter: none; backdrop-filter: none; }
.genesis-site .layer.featured { border-color: rgba(100,216,244,.45); background: linear-gradient(145deg,rgba(100,216,244,.1),rgba(8,23,34,.9)); }
.genesis-site .equation { padding: .5rem clamp(1.25rem,3vw,2.25rem); }
.genesis-site .equation-row.total { background: linear-gradient(90deg,rgba(100,216,244,.1),transparent); }
.genesis-site .scale { background: #eef5f8; color: #07151d; }
.genesis-site .scale .eyebrow { color: #087c99; }
.genesis-site .scale p { color: #435966; }
.genesis-site .scale-table { border-color: #c8d8df; border-radius: .9rem; }
.genesis-site .scale table { background: rgba(255,255,255,.72); }
.genesis-site .scale th { color: #405560; }
.genesis-site .scale td { color: #10242f; }
.genesis-site .stage,.genesis-site .chain-card { border-color: var(--border); }
.genesis-site .join-inner { padding: 0; }
.genesis-site .reveal { transform: translateY(12px); transition: opacity .38s ease,transform .38s cubic-bezier(.2,.7,.2,1); }
.genesis-site .reveal.in { transform: none; }
.genesis-site .loop { position: relative; }
.genesis-site .loop::before { content: ""; position: absolute; z-index: 1; top: 29px; left: 8.333%; right: 8.333%; height: 1px; background: linear-gradient(90deg,var(--cyan),rgba(100,216,244,.18)); transform: scaleX(0); transform-origin: left; transition: transform 1.2s cubic-bezier(.2,.7,.2,1) .25s; }
.genesis-site .loop.in::before { transform: scaleX(1); }
.genesis-site .loop::after { content: ""; position: absolute; z-index: 2; top: 25px; left: 8.333%; width: 9px; height: 9px; border-radius: 50%; background: #d7f8ff; box-shadow: 0 0 12px rgba(100,216,244,.8); opacity: 0; transition: left 1.2s cubic-bezier(.2,.7,.2,1) .25s,opacity .2s ease .25s; }
.genesis-site .loop.in::after { left: calc(91.667% - 9px); opacity: 1; }
.genesis-site .loop-item { opacity: 0; transform: translateY(10px); transition: opacity .38s ease,transform .38s ease; }
.genesis-site .loop.in .loop-item { opacity: 1; transform: none; }
.genesis-site .loop.in .loop-item:nth-child(2) { transition-delay: .1s; }
.genesis-site .loop.in .loop-item:nth-child(3) { transition-delay: .2s; }
.genesis-site .loop.in .loop-item:nth-child(4) { transition-delay: .3s; }
.genesis-site .loop.in .loop-item:nth-child(5) { transition-delay: .4s; }
.genesis-site .loop.in .loop-item:nth-child(6) { transition-delay: .5s; }
.genesis-site .loop-item.active strong { color: var(--cyan); }
.genesis-site .loop-item.active span { color: #e7fbff; }
.genesis-site .layers .layer { opacity: 0; transform: translateY(14px); transition: opacity .42s ease,transform .42s cubic-bezier(.2,.7,.2,1); }
.genesis-site .layers.in .layer { opacity: 1; transform: none; }
.genesis-site .layers.in .layer:nth-child(2) { transition-delay: .14s; }
.genesis-site .layers.in .layer:nth-child(3) { transition-delay: .28s; }

@media (max-width:760px) {
  .nav-links,.home-site .nav-links { background: rgba(5,14,22,.96); }
  .genesis-site .hero { padding-top: 112px; }
  .genesis-site .hero-inner { padding: 1.35rem; }
  .genesis-site .hero h1 { font-size: clamp(2.5rem,11vw,4rem); }
  .home-site .operation-graphic svg,.genesis-site .loop::before,.genesis-site .loop::after { display: none; }
  .home-site .operation-graphic ol { grid-template-columns: repeat(2,1fr); row-gap: 1.5rem; }
  .home-site .operation-step { align-items: flex-start; text-align: left; }
}
@media (max-width:900px) {
  .genesis-site .loop::before,.genesis-site .loop::after { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .operation-flow { display: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .nav-wrap,.genesis-site .hero-inner,.hero-specs { background: #07141e !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
}
@media (prefers-contrast: more) {
  :root { --line: rgba(224,240,248,.36); }
  .nav-wrap,.button.ghost,.genesis-site .layer,.genesis-site .loop { border: 1px solid rgba(240,248,252,.62); }
}