/* motion-audit-global-reduced-motion */

:root {
  --ink: #06161c;
  --ink-soft: #0d2831;
  --ink-lift: #133944;
  --paper: #f3f0e9;
  --paper-cool: #dfe9e7;
  --white: #ffffff;
  --aqua: #4ef2cf;
  --aqua-deep: #0fb997;
  --coral: #ff6a4a;
  --acid: #d8ff62;
  --muted: #8aa1a6;
  --line-dark: rgba(255, 255, 255, 0.15);
  --line-light: rgba(6, 22, 28, 0.16);
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "DM Sans", system-ui, sans-serif;
  --motion-fast: 140ms;
  --motion-ui: 220ms;
  --motion-panel: 360ms;
  --motion-editorial: 760ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-move: cubic-bezier(0.65, 0, 0.35, 1);
  --page-pad: clamp(1rem, 3vw, 3.5rem);
  --max: 1600px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.is-hidden .sonar-sweep,
body.is-hidden .download-orbit { animation-play-state: paused; }

img { max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  inset: 0 auto auto 0;
  padding: 0.8rem 1rem;
  color: var(--ink);
  background: var(--acid);
  translate: 0 -120%;
  transition: translate var(--motion-ui) var(--ease-out);
}

.skip-link:focus { translate: 0 0; }

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

.page-progress {
  position: fixed;
  z-index: 120;
  inset: 0 0 auto;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.page-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--aqua);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left;
}

.site-header {
  position: absolute;
  z-index: 100;
  top: 0;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100%, var(--max));
  min-height: 5.5rem;
  padding-inline: var(--page-pad);
  color: var(--white);
  border-bottom: 1px solid var(--line-dark);
  translate: -50% 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  color: inherit;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand > span:last-child > span { color: var(--aqua); }

.brand-mark {
  display: inline-block;
  width: 1.1rem;
  aspect-ratio: 1;
  border: 2px solid var(--aqua);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px var(--ink), inset 0 0 0 5px var(--aqua);
}

.nav-links { display: flex; gap: clamp(1.2rem, 3vw, 2.8rem); }

.nav-links a,
.site-footer a {
  color: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--motion-ui) var(--ease-out);
}

.nav-links a:is(:hover, :focus-visible),
.site-footer a:is(:hover, :focus-visible) { color: var(--aqua); }

.header-download {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 2.8rem;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--line-dark);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    color var(--motion-ui) var(--ease-out),
    background-color var(--motion-ui) var(--ease-out),
    border-color var(--motion-ui) var(--ease-out);
}

.header-download:is(:hover, :focus-visible) {
  color: var(--ink);
  background: var(--aqua);
  border-color: var(--aqua);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(23rem, 0.95fr);
  align-items: center;
  min-height: 100svh;
  padding: 9rem max(var(--page-pad), calc((100vw - var(--max)) / 2 + var(--page-pad))) 5rem;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-grid,
.hero-noise {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(78, 242, 207, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 242, 207, 0.08) 1px, transparent 1px);
  background-size: 5vw 5vw;
  mask-image: linear-gradient(90deg, black 0%, rgba(0,0,0,0.25) 62%, transparent 100%);
}

.hero-noise {
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
}

.hero-copy { position: relative; z-index: 2; max-width: 54rem; }

.eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin: 0 0 2.4rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero-eyebrow {
  max-width: 44rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-dark);
}

.hero-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4.5rem, 10vw, 10.5rem);
  font-weight: 700;
  letter-spacing: -0.085em;
  line-height: 0.78;
}

.hero-title-line {
  display: block;
  overflow: clip;
  padding: 0.1em 0.06em 0.16em 0;
}

.hero-title-line > span { display: block; }
.accent-line { color: var(--aqua); }

.hero-intro {
  max-width: 42rem;
  margin: 2.2rem 0 0;
  color: #c7d6d9;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.5;
}

.hero-actions,
.recommendation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 3.5rem;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    color var(--motion-ui) var(--ease-out),
    background-color var(--motion-ui) var(--ease-out),
    border-color var(--motion-ui) var(--ease-out);
}

.button span { font-size: 1.15rem; }
.button-primary { min-width: 15rem; color: var(--ink); background: var(--aqua); }
.button-primary:is(:hover, :focus-visible) { background: var(--acid); }
.button-ghost { color: var(--white); border-color: var(--line-dark); }
.button-ghost:is(:hover, :focus-visible) { color: var(--ink); background: var(--white); border-color: var(--white); }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 48rem;
  margin: 4rem 0 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.hero-metrics div {
  padding: 1rem 1.15rem 1rem 0;
  border-right: 1px solid var(--line-dark);
}

.hero-metrics div + div { padding-left: 1.15rem; }
.hero-metrics div:last-child { border-right: 0; }
.hero-metrics dt { font-family: var(--display); font-size: clamp(1.35rem, 2.3vw, 2rem); font-weight: 700; }
.hero-metrics dd { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.72rem; text-transform: uppercase; }

.hero-visual {
  --pointer-x: 0;
  --pointer-y: 0;
  position: relative;
  min-height: min(72vh, 50rem);
  perspective: 70rem;
  transform: rotateX(calc(var(--pointer-y) * -1.8deg)) rotateY(calc(var(--pointer-x) * 2.4deg));
  transition: transform 160ms var(--ease-out);
}

.sonar-disc {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(42vw, 42rem);
  aspect-ratio: 1;
  border: 1px solid rgba(78, 242, 207, 0.28);
  border-radius: 50%;
  translate: -50% -50%;
  background: radial-gradient(circle, rgba(78,242,207,0.14), transparent 60%);
}

.sonar-ring { position: absolute; inset: 50%; border: 1px solid rgba(78, 242, 207, 0.24); border-radius: 50%; translate: -50% -50%; }
.ring-one { width: 72%; height: 72%; }
.ring-two { width: 44%; height: 44%; }
.ring-three { width: 16%; height: 16%; background: rgba(78,242,207,0.12); }

.sonar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 78%, rgba(78, 242, 207, 0.36) 92%, var(--aqua) 100%);
  mask-image: radial-gradient(circle, transparent 0 8%, black 9% 100%);
  animation: sonar-sweep 7s linear infinite;
}

@keyframes sonar-sweep { to { rotate: 1turn; } }

.hero-product {
  position: absolute;
  z-index: 2;
  inset: 50% auto auto 50%;
  width: min(38vw, 35rem);
  margin: 0;
  translate: -48% -49%;
}

.hero-product img {
  display: block;
  width: 100%;
  filter: drop-shadow(0 2.5rem 2rem rgba(0,0,0,0.35));
}

.hero-rank,
.hero-score,
.coordinate {
  position: absolute;
  z-index: 3;
  border: 1px solid var(--line-dark);
  background: rgba(6, 22, 28, 0.76);
}

.hero-rank { inset: 14% auto auto 5%; padding: 0.75rem 1rem; }
.hero-rank span { display: block; color: var(--aqua); font-family: var(--display); font-size: 1.7rem; font-weight: 700; }
.hero-rank small, .hero-score span { color: var(--muted); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; }
.hero-score { inset: auto 2% 12% auto; display: grid; padding: 1rem; }
.hero-score strong { font-family: var(--display); font-size: 2.7rem; line-height: 1; }
.coordinate { padding: 0.4rem 0.55rem; color: var(--muted); font-family: monospace; font-size: 0.65rem; }
.coordinate-a { inset: 9% 8% auto auto; }
.coordinate-b { inset: auto auto 8% 12%; }

.scroll-cue {
  position: absolute;
  z-index: 4;
  inset: auto auto 1.6rem 50%;
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
  translate: -50% 0;
}

.scroll-cue i { display: block; width: 1px; height: 2.5rem; background: linear-gradient(var(--aqua), transparent); }

section:not(.hero) { padding: clamp(5rem, 9vw, 9rem) max(var(--page-pad), calc((100vw - var(--max)) / 2 + var(--page-pad))); }

.section-dark { color: var(--white); background: var(--ink-soft); }

.section-kicker {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-kicker span:last-child { color: var(--aqua); }

.recommendation-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 0.82fr) minmax(28rem, 1.18fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  margin-top: clamp(3rem, 6vw, 6rem);
}

.super-label,
.section-label {
  margin: 0 0 1rem;
  color: var(--aqua-deep);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-dark .super-label { color: var(--aqua); }

.recommendation-copy h2,
.section-heading h2,
.ranking-head h2,
.stack-intro h2,
.field-heading h2,
.download-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 6vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

h2 em { color: var(--aqua); font-style: normal; }
.lead { margin: 2rem 0 0; color: #c1d1d4; font-size: clamp(1.1rem, 1.8vw, 1.5rem); line-height: 1.5; }

.decision-note {
  margin-top: 2.2rem;
  padding: 1.25rem;
  border-left: 3px solid var(--acid);
  color: var(--ink);
  background: var(--acid);
}

.decision-note span { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; }
.decision-note p { margin: 0.55rem 0 0; }

.text-link {
  display: inline-flex;
  gap: 0.7rem;
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: color var(--motion-ui) var(--ease-out), border-color var(--motion-ui) var(--ease-out);
}

.text-link:is(:hover, :focus-visible) { color: var(--aqua); border-color: var(--aqua); }

.recommendation-stage { position: relative; min-height: 38rem; }
.stage-index { position: absolute; inset: -1rem auto auto 0; color: rgba(255,255,255,0.06); font-family: var(--display); font-size: min(27vw, 26rem); font-weight: 700; letter-spacing: -0.12em; line-height: 1; }
.stage-frame { position: absolute; z-index: 1; inset: 8% 8% 10% 4%; display: grid; place-items: center; overflow: clip; border: 1px solid var(--line-dark); background: radial-gradient(circle at 50% 44%, rgba(78,242,207,0.18), transparent 56%); }
.stage-frame img { width: min(78%, 34rem); filter: drop-shadow(0 2rem 2rem rgba(0,0,0,0.38)); }
.stage-tag { position: absolute; z-index: 3; padding: 0.65rem 0.75rem; border: 1px solid var(--line-dark); color: var(--white); background: var(--ink); font-family: monospace; font-size: 0.72rem; }
.tag-top { inset: 4% 2% auto auto; }
.tag-right { inset: 46% -2% auto auto; }
.tag-bottom { inset: auto auto 5% 0; }

.reason-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 5rem; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.reason { min-height: 15rem; padding: 1.4rem; border-right: 1px solid var(--line-dark); }
.reason:last-child { border-right: 0; }
.reason > span { color: var(--aqua); font-family: monospace; font-size: 0.72rem; }
.reason h3 { margin: 3.2rem 0 0.7rem; font-family: var(--display); font-size: 1.35rem; }
.reason p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.mission-section { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1fr 1.1fr; gap: 1rem 4rem; align-items: end; }
.section-heading .section-label { grid-column: 1 / -1; }
.section-heading > p:last-child { max-width: 33rem; margin: 0 0 0.5rem; color: #466068; font-size: 1.1rem; }

.mission-grid { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 4rem; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.mission-card { position: relative; display: grid; grid-template-rows: auto auto auto 1fr auto; gap: 1rem; min-height: 24rem; padding: 1.2rem; border: 0; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); text-align: left; color: var(--ink); background: transparent; cursor: pointer; overflow: hidden; transition: color var(--motion-panel) var(--ease-out), background-color var(--motion-panel) var(--ease-out); }
.mission-card::before { content: ""; position: absolute; inset: 0; background: var(--ink); translate: 0 102%; transition: translate var(--motion-panel) var(--ease-out); }
.mission-card > * { position: relative; z-index: 1; }
.mission-number { font-family: monospace; font-size: 0.7rem; }
.mission-icon { display: grid; place-items: center; justify-self: end; width: 3rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-size: 1.3rem; }
.mission-card strong { align-self: end; font-family: var(--display); font-size: clamp(1.2rem, 1.8vw, 1.65rem); line-height: 1; }
.mission-card small { color: #52676d; font-size: 0.85rem; transition: color var(--motion-panel) var(--ease-out); }
.mission-card i { align-self: end; font-style: normal; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.mission-card:focus-visible { color: var(--white); }
.mission-card:focus-visible::before { translate: 0 0; }
.mission-card:focus-visible small { color: var(--muted); }
@media (hover: hover) and (pointer: fine) {
  .mission-card:hover { color: var(--white); }
  .mission-card:hover::before { translate: 0 0; }
  .mission-card:hover small { color: var(--muted); }
}

.ranking-section { color: var(--white); background: var(--ink); }
.ranking-head { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: end; }
.ranking-head > p { max-width: 38rem; margin: 0 0 0.5rem; color: var(--muted); font-size: 1rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 3rem; }
.filter-button { min-height: 2.75rem; padding: 0.6rem 1rem; border: 1px solid var(--line-dark); border-radius: 999px; color: #c7d6d9; background: transparent; cursor: pointer; transition: color var(--motion-ui) var(--ease-out), background-color var(--motion-ui) var(--ease-out), border-color var(--motion-ui) var(--ease-out); }
.filter-button:is(:hover, :focus-visible), .filter-button.is-active { color: var(--ink); background: var(--aqua); border-color: var(--aqua); }

.system-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 2rem; background: var(--line-dark); border: 1px solid var(--line-dark); }
.system-card { position: relative; display: grid; grid-template-columns: minmax(14rem, 0.8fr) minmax(0, 1.2fr); min-height: 33rem; background: var(--ink-soft); overflow: hidden; }
.system-card[hidden] { display: none; }
.card-recommended { background: #0a302f; }
.card-top { position: absolute; z-index: 3; inset: 1rem 1rem auto; display: flex; justify-content: space-between; pointer-events: none; }
.rank, .score { display: inline-grid; place-items: center; min-width: 3rem; min-height: 2rem; padding: 0.35rem 0.55rem; border: 1px solid var(--line-dark); color: var(--white); background: rgba(6,22,28,0.78); font-family: var(--display); font-size: 0.82rem; font-weight: 700; }
.score { color: var(--aqua); }
.product-frame { display: grid; place-items: center; min-height: 100%; padding: 4.5rem 1.4rem 2rem; background: radial-gradient(circle at 52% 48%, rgba(78,242,207,0.14), transparent 56%); overflow: hidden; }
.product-frame > img { width: min(100%, 20rem); max-height: 24rem; object-fit: contain; filter: drop-shadow(0 1.5rem 1.2rem rgba(0,0,0,0.32)); translate: 0 0; rotate: 0deg; scale: 1; transition: translate var(--motion-panel) var(--ease-out), rotate var(--motion-panel) var(--ease-out), scale var(--motion-panel) var(--ease-out); }
.system-card:focus-within .product-frame > img { translate: 0 -0.4rem; rotate: -1deg; scale: 1.025; }
@media (hover: hover) and (pointer: fine) { .system-card:hover .product-frame > img { translate: 0 -0.4rem; rotate: -1deg; scale: 1.025; } }
.twin-frame { position: relative; }
.twin-frame > img:first-child { width: 76%; translate: -6% 0; }
.twin-frame .companion-image { position: absolute; inset: auto 5% 10% auto; width: 42%; border: 4px solid var(--ink-soft); }
.banner-frame > img { width: 112%; max-width: none; }
.card-body { display: flex; flex-direction: column; padding: 4.7rem 1.5rem 1.5rem; border-left: 1px solid var(--line-dark); }
.card-body > p:first-child { margin: 0; color: var(--aqua); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.card-body h3 { margin: 0.4rem 0 1.4rem; font-family: var(--display); font-size: clamp(1.5rem, 2.1vw, 2.3rem); letter-spacing: -0.04em; line-height: 1; }
.spec-strip { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; list-style: none; }
.spec-strip li { padding: 0.4rem 0.55rem; border: 1px solid var(--line-dark); color: #c9d6d8; font-family: monospace; font-size: 0.68rem; }
.fit-copy { margin: 1.5rem 0 0; color: #c5d2d4; font-size: 0.92rem; }
.caveat { margin: 1rem 0 0; color: var(--muted); font-size: 0.78rem; }
.caveat span { margin-right: 0.35rem; color: var(--coral); font-weight: 700; text-transform: uppercase; }
.card-body > a { display: flex; justify-content: space-between; margin-top: auto; padding-top: 1.2rem; border-top: 1px solid var(--line-dark); color: var(--white); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em; text-decoration: none; text-transform: uppercase; transition: color var(--motion-ui) var(--ease-out); }
.card-body > a:is(:hover, :focus-visible) { color: var(--aqua); }
.ranking-disclaimer { margin: 1.5rem 0 0; color: var(--muted); font-size: 0.78rem; }

.stack-section { background: var(--paper-cool); }
.stack-intro { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 1rem 4rem; align-items: end; }
.stack-intro .section-label { grid-column: 1 / -1; }
.stack-intro > p:last-child { margin: 0 0 0.5rem; color: #456067; font-size: 1.05rem; }
.stack-intro h2 em { color: var(--aqua-deep); }
.stack-list { margin: 5rem 0 0; padding: 0; border-top: 1px solid var(--line-light); list-style: none; }
.stack-list li { display: grid; grid-template-columns: 4rem 1fr auto; gap: 1rem 2rem; align-items: center; min-height: 8rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line-light); }
.stack-number, .stack-code { color: #5e747a; font-family: monospace; font-size: 0.72rem; letter-spacing: 0.08em; }
.stack-list h3 { margin: 0; font-family: var(--display); font-size: clamp(1.5rem, 2.5vw, 2.7rem); letter-spacing: -0.04em; }
.stack-list p { margin: 0.4rem 0 0; color: #52676d; }
.stack-code { padding: 0.45rem 0.65rem; border: 1px solid var(--line-light); }

.field-section { position: relative; isolation: isolate; overflow: hidden; color: var(--white); background: #072027; }
.bathymetry-lines { position: absolute; z-index: -1; inset: 0; opacity: 0.28; background: repeating-radial-gradient(ellipse at 72% 58%, transparent 0 32px, rgba(78,242,207,0.26) 33px 34px, transparent 35px 57px); transform: rotate(-7deg) scale(1.2); }
.field-heading { max-width: 62rem; }
.field-heading .section-label { color: var(--aqua); }
.field-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 5rem; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.field-card { min-height: 18rem; padding: 1.3rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); background: rgba(6,22,28,0.54); }
.field-card span { color: var(--aqua); font-family: monospace; font-size: 0.72rem; }
.field-card h3 { margin: 5rem 0 0.8rem; font-family: var(--display); font-size: 1.45rem; line-height: 1.05; }
.field-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.standards-section { padding-inline: 0 !important; padding-bottom: 0 !important; background: var(--paper); }
.standards-split { display: grid; grid-template-columns: 1fr 1fr; }
.standard-panel { min-height: 38rem; padding: clamp(3rem, 7vw, 7rem); }
.panel-human { color: var(--white); background: var(--coral); }
.panel-output { color: var(--ink); background: var(--acid); }
.standard-code { display: inline-block; padding: 0.45rem 0.6rem; border: 1px solid currentColor; font-family: monospace; font-size: 0.72rem; }
.standard-panel > p:nth-of-type(1) { margin: 5rem 0 0.3rem; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.standard-panel h2 { margin: 0; font-family: var(--display); font-size: clamp(3.2rem, 7vw, 7rem); letter-spacing: -0.08em; line-height: 0.88; }
.standard-copy { max-width: 38rem; margin: 2rem 0 0 !important; font-size: 1.05rem; font-weight: 500 !important; letter-spacing: 0 !important; line-height: 1.55; text-transform: none !important; }
.standards-note { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 2rem max(var(--page-pad), calc((100vw - var(--max)) / 2 + var(--page-pad))); color: #53676c; background: var(--paper); }
.standards-note p { margin: 0; font-size: 0.85rem; }
.standards-note strong { color: var(--ink); }

.download-section { position: relative; isolation: isolate; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 4rem; align-items: end; overflow: hidden; color: var(--white); background: var(--ink); }
.download-copy { position: relative; z-index: 2; }
.download-copy .section-label { color: var(--aqua); }
.download-copy h2 em { color: var(--aqua); }
.download-copy > p:not(.section-label) { max-width: 42rem; margin: 2rem 0 0; color: var(--muted); font-size: 1.05rem; }
.button-download { min-width: min(100%, 24rem); margin-top: 2rem; color: var(--ink); background: var(--acid); }
.button-download:is(:hover, :focus-visible) { background: var(--aqua); }
.download-meta { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.download-meta div { min-height: 8rem; padding: 1rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.download-meta span { display: block; color: var(--muted); font-size: 0.68rem; text-transform: uppercase; }
.download-meta strong { display: block; margin-top: 2rem; font-family: var(--display); font-size: 1.1rem; }
.download-orbit { position: absolute; z-index: -1; inset: 50% auto auto 68%; width: min(70vw, 70rem); aspect-ratio: 1; border: 1px solid rgba(78,242,207,0.16); border-radius: 50%; translate: -50% -50%; background: repeating-radial-gradient(circle, transparent 0 44px, rgba(78,242,207,0.12) 45px 46px); animation: orbit-breathe 7s var(--ease-move) infinite alternate; }
@keyframes orbit-breathe { to { scale: 1.04; opacity: 0.7; } }

.site-footer { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 2rem; align-items: center; padding: 2rem max(var(--page-pad), calc((100vw - var(--max)) / 2 + var(--page-pad))); color: var(--white); background: #031015; border-top: 1px solid var(--line-dark); }
.footer-brand { color: var(--white); }
.site-footer p { margin: 0; color: var(--muted); font-size: 0.76rem; text-align: center; }
.site-footer > a { justify-self: end; }

.reveal { opacity: 1; translate: 0 0; }

@media (prefers-reduced-motion: no-preference) {
  .hero-title-line > span {
    transition: translate var(--motion-editorial) var(--ease-out), opacity 420ms var(--ease-out);
    transition-delay: calc(var(--line) * 90ms);
  }

  .hero-eyebrow,
  .hero-intro,
  .hero-actions,
  .hero-metrics {
    transition: translate 680ms var(--ease-out), opacity 520ms var(--ease-out);
  }

  .hero-intro { transition-delay: 160ms; }
  .hero-actions { transition-delay: 230ms; }
  .hero-metrics { transition-delay: 300ms; }

  @starting-style {
    .hero-title-line > span { opacity: 0; translate: 0 110%; }
    .hero-eyebrow, .hero-intro, .hero-actions, .hero-metrics { opacity: 0; translate: 0 1.5rem; }
  }

  @supports (animation-timeline: view()) and (animation-range: entry 0% entry 100%) {
    .reveal {
      animation-name: reveal-lock;
      animation-duration: auto;
      animation-fill-mode: both;
      animation-timing-function: linear;
      animation-timeline: view();
      animation-range: entry 6% cover 28%;
    }

    @keyframes reveal-lock {
      from { opacity: 0.2; translate: 0 2rem; }
      to { opacity: 1; translate: 0 0; }
    }

    .media-reveal { view-timeline-name: --media-reveal; }
    .media-reveal img {
      animation-name: media-lock;
      animation-duration: auto;
      animation-fill-mode: both;
      animation-timing-function: linear;
      animation-timeline: --media-reveal;
      animation-range: entry 8% cover 46%;
    }
    @keyframes media-lock { from { scale: 1.06; translate: 0 1rem; } to { scale: 1; translate: 0 0; } }
  }
}

@media (max-width: 1180px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav-links { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.72fr); }
  .hero-title { font-size: clamp(4.5rem, 10vw, 8rem); }
  .reason-grid { grid-template-columns: 1fr 1fr; }
  .reason:nth-child(2) { border-right: 0; }
  .reason:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .mission-grid { grid-template-columns: repeat(3, 1fr); }
  .system-card { grid-template-columns: 1fr; }
  .product-frame { min-height: 22rem; }
  .card-body { min-height: 27rem; border-left: 0; border-top: 1px solid var(--line-dark); }
}

@media (max-width: 900px) {
  .site-header { min-height: 4.6rem; }
  .header-download { min-height: 2.5rem; padding: 0.55rem 0.75rem; }
  .hero { grid-template-columns: 1fr; padding-top: 8rem; }
  .hero-copy { max-width: none; }
  .hero-visual { min-height: 30rem; margin-top: 2rem; }
  .sonar-disc { width: min(84vw, 36rem); }
  .hero-product { width: min(74vw, 30rem); }
  .scroll-cue { display: none; }
  .recommendation-layout { grid-template-columns: 1fr; }
  .recommendation-stage { min-height: 32rem; }
  .section-heading, .ranking-head, .stack-intro, .download-section { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr 1fr; }
  .system-grid { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr 1fr; }
  .standards-split { grid-template-columns: 1fr; }
  .standard-panel { min-height: 31rem; }
  .standards-note { grid-template-columns: 1fr; gap: 1rem; }
  .download-meta { margin-top: 1rem; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer p { grid-column: 1 / -1; grid-row: 2; text-align: left; }
}

@media (max-width: 620px) {
  :root { --page-pad: 1rem; }
  .site-header { padding-inline: 1rem; }
  .brand { font-size: 0.85rem; }
  .header-download { font-size: 0.64rem; }
  .header-download span { display: none; }
  .eyebrow { align-items: flex-start; gap: 0.4rem; flex-direction: column; }
  .hero { min-height: auto; padding-bottom: 4rem; }
  .hero-title { font-size: clamp(4rem, 20vw, 6.6rem); }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-metrics { grid-template-columns: 1fr 1fr; }
  .hero-metrics div:nth-child(2) { border-right: 0; }
  .hero-metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .hero-metrics div:nth-child(3) { padding-left: 0; }
  .hero-visual { min-height: 25rem; }
  .hero-rank { inset: 5% auto auto 0; }
  .hero-score { inset: auto 0 2% auto; }
  .coordinate { display: none; }
  .recommendation-stage { min-height: 25rem; }
  .stage-frame { inset: 7% 0 11%; }
  .tag-right { right: 0; }
  .reason-grid { grid-template-columns: 1fr; }
  .reason { min-height: 12rem; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .reason h3 { margin-top: 2rem; }
  .mission-grid { display: flex; gap: 0.8rem; overflow-x: auto; scroll-snap-type: inline mandatory; border: 0; padding-bottom: 0.5rem; }
  .mission-card { flex: 0 0 min(82vw, 20rem); min-height: 21rem; border: 1px solid var(--line-light); scroll-snap-align: center; }
  .filter-bar { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 0.4rem; }
  .filter-button { flex: 0 0 auto; }
  .product-frame { min-height: 19rem; }
  .card-body { min-height: auto; }
  .card-body > a { margin-top: 2rem; }
  .stack-list li { grid-template-columns: 2.4rem 1fr; }
  .stack-code { display: none; }
  .field-grid { grid-template-columns: 1fr; }
  .field-card { min-height: 14rem; }
  .field-card h3 { margin-top: 3rem; }
  .download-meta { grid-template-columns: 1fr; }
  .download-meta div { min-height: 6rem; }
  .download-meta strong { margin-top: 1rem; }
}

@media (max-height: 680px) and (min-width: 901px) {
  .hero { min-height: 48rem; }
  .hero-visual { min-height: 36rem; }
}

@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  .sonar-sweep,
  .download-orbit,
  .reveal,
  .media-reveal img,
  .hero-title-line > span,
  .hero-eyebrow,
  .hero-intro,
  .hero-actions,
  .hero-metrics { animation: none; transition-duration: 80ms; translate: none; rotate: none; scale: 1; clip-path: none; }
  .hero-visual { transform: none; transition: none; }
  .mission-card::before { transition: none; }
  .product-frame > img { transition: none; }
  .system-card:is(:hover, :focus-within) .product-frame > img { translate: none; rotate: none; scale: 1; }
}