:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --bg-cool: #edf1f1;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --ink: #202124;
  --ink-soft: #5f6668;
  --line: rgba(32, 33, 36, 0.12);
  --blue: #5b8def;
  --blue-soft: #dfe9ff;
  --green: #63b995;
  --green-soft: #dcefe5;
  --yellow: #f2c65d;
  --yellow-soft: #f7edc8;
  --coral: #ef7d73;
  --coral-soft: #f8ded9;
  --radius-sm: 16px;
  --radius-md: 28px;
  --radius-lg: 42px;
  --radius-xl: 64px;
  --page: min(1240px, calc(100vw - 48px));
  --shadow-soft: 0 20px 70px rgba(44, 55, 55, 0.08);
  --ease-spring: cubic-bezier(0.2, 0.82, 0.22, 1.08);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 4%, rgba(242, 198, 93, 0.08), transparent 25rem),
    linear-gradient(180deg, #fafbf8 0%, var(--bg) 42%, #f3f6f4 100%);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

::selection {
  color: var(--ink);
  background: rgba(242, 198, 93, 0.44);
}

:focus-visible {
  outline: 3px solid rgba(91, 141, 239, 0.72);
  outline-offset: 4px;
}

.filter-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 18px;
  left: 0;
  width: 100%;
  pointer-events: none;
}

.nav-island {
  width: min(1050px, calc(100vw - 36px));
  min-height: 64px;
  margin-inline: auto;
  border-radius: 24px;
  pointer-events: auto;
}

.nav-content {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: 64px;
  padding: 8px 10px 8px 18px;
}

.glass-control {
  position: relative;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.76);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.44)),
    rgba(241, 245, 244, 0.45);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 -1px 0 rgba(46, 62, 60, 0.1) inset,
    0 18px 50px rgba(57, 73, 72, 0.12);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
}

.glass-control::after {
  position: absolute;
  z-index: -1;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.72),
    transparent 26%,
    transparent 72%,
    rgba(255, 255, 255, 0.28)
  );
  opacity: 0.7;
  content: "";
  pointer-events: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 14px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.brand-mark {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 7px);
  gap: 2px;
  width: 18px;
  height: 18px;
  transform: rotate(8deg);
}

.brand-mark span {
  display: block;
  border-radius: 50% 42% 55% 46%;
}

.brand-mark span:nth-child(1) { background: var(--blue); }
.brand-mark span:nth-child(2) { background: var(--yellow); }
.brand-mark span:nth-child(3) { background: var(--green); }
.brand-mark span:nth-child(4) { background: var(--coral); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
}

.nav-links a {
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 620;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  transform: translateY(-1px);
}

.nav-utilities {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.utility-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 0;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.95) inset;
  transition: transform 180ms var(--ease-spring), background 180ms ease;
}

.utility-toggle:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.utility-toggle:active {
  transform: scale(0.95);
}

.language-toggle {
  gap: 7px;
  padding-inline: 12px;
}

.utility-option {
  color: #8a9091;
  font-size: 11px;
  font-weight: 720;
}

.utility-option.is-active {
  color: var(--ink);
}

.utility-divider {
  width: 1px;
  height: 13px;
  background: var(--line);
}

.mode-toggle {
  gap: 8px;
  min-width: 96px;
  padding-inline: 13px;
  font-size: 11px;
  font-weight: 720;
}

.mode-dot {
  width: 9px;
  height: 9px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 2px rgba(99, 185, 149, 0.18);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(420px, 0.87fr);
  align-items: center;
  min-height: 100svh;
  padding-block: 140px 92px;
}

.hero::before {
  position: absolute;
  top: 18%;
  left: 44%;
  width: 1px;
  height: 56%;
  background: linear-gradient(transparent, var(--line), transparent);
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 690px;
}

.eyebrow,
.section-marker {
  margin: 0 0 22px;
  color: #687173;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.pulse h2,
.explore h2 {
  margin: 0;
  text-wrap: balance;
  font-weight: 610;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(54px, 6.1vw, 94px);
}

.hero-summary {
  max-width: 590px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.45vw, 21px);
  letter-spacing: -0.018em;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 54px;
  padding: 0 20px 0 24px;
  border-radius: 19px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 200ms var(--ease-spring), box-shadow 200ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 white inset,
    0 -1px 0 rgba(46, 62, 60, 0.1) inset,
    0 24px 60px rgba(57, 73, 72, 0.16);
}

.button:active {
  transform: scale(0.97);
}

.button svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
  transition: color 180ms ease, gap 180ms ease;
}

.text-link:hover {
  gap: 13px;
  color: var(--ink);
}

.core-column {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 610px;
  perspective: 1000px;
}

.living-core {
  --pointer-x: 0;
  --pointer-y: 0;
  position: relative;
  z-index: 3;
  width: min(37vw, 480px);
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  border-radius: 44% 56% 51% 49% / 53% 44% 56% 47%;
  background: transparent;
  cursor: pointer;
  transform: translate3d(calc(var(--pointer-x) * 5px), calc(var(--pointer-y) * 5px), 0);
  transition: transform 620ms var(--ease-soft);
}

.living-core:focus-visible {
  outline-offset: 12px;
}

.core-ambient {
  position: absolute;
  inset: 10%;
  border-radius: inherit;
  background: conic-gradient(
    from 190deg,
    rgba(91, 141, 239, 0.18),
    rgba(99, 185, 149, 0.16),
    rgba(242, 198, 93, 0.13),
    rgba(239, 125, 115, 0.14),
    rgba(91, 141, 239, 0.18)
  );
  filter: blur(48px);
  opacity: 0.8;
  transform: scale(1.18);
  animation: ambient-breathe 8s ease-in-out infinite;
}

.core-shadow {
  position: absolute;
  right: 6%;
  bottom: -5%;
  left: 8%;
  height: 18%;
  border-radius: 50%;
  background: rgba(56, 75, 74, 0.14);
  filter: blur(30px);
  transform: translate(calc(var(--pointer-x) * -8px), calc(var(--pointer-y) * -3px));
}

.core-body {
  position: absolute;
  inset: 4%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: inherit;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(232, 239, 238, 0.2)),
    rgba(255, 255, 255, 0.18);
  box-shadow:
    20px 28px 60px rgba(73, 91, 89, 0.12),
    -10px -12px 32px rgba(255, 255, 255, 0.78),
    0 2px 3px rgba(255, 255, 255, 0.9) inset,
    14px 16px 28px rgba(76, 96, 94, 0.11) inset,
    -14px -16px 28px rgba(255, 255, 255, 0.62) inset;
  backdrop-filter: blur(8px) saturate(1.35);
  -webkit-backdrop-filter: blur(8px) saturate(1.35);
  animation: core-morph 9s ease-in-out infinite alternate;
}

.core-refraction {
  position: absolute;
  inset: 8%;
  overflow: hidden;
  border-radius: 44% 56% 48% 52% / 56% 43% 57% 44%;
  filter: url(#liquid-refraction);
  transform: translate(calc(var(--pointer-x) * 10px), calc(var(--pointer-y) * 8px));
  transition: transform 900ms var(--ease-soft);
}

.organelle {
  position: absolute;
  display: block;
  border-radius: 48% 52% 55% 45% / 52% 42% 58% 48%;
  mix-blend-mode: multiply;
  filter: blur(1px);
}

.organelle-blue {
  top: 6%;
  left: 8%;
  width: 54%;
  height: 52%;
  background: radial-gradient(circle at 30% 26%, #dce7ff 0 18%, var(--blue) 72%);
  opacity: 0.76;
  animation: organelle-blue 10s ease-in-out infinite alternate;
}

.organelle-green {
  right: 4%;
  bottom: 7%;
  width: 58%;
  height: 57%;
  background: radial-gradient(circle at 65% 70%, #e2f3eb 0 17%, var(--green) 74%);
  opacity: 0.7;
  animation: organelle-green 12s ease-in-out infinite alternate;
}

.organelle-yellow {
  top: 13%;
  right: 5%;
  width: 41%;
  height: 43%;
  background: radial-gradient(circle at 64% 30%, #fff4ca 0 15%, var(--yellow) 74%);
  opacity: 0.72;
  animation: organelle-yellow 11s ease-in-out infinite alternate;
}

.organelle-coral {
  bottom: 3%;
  left: 3%;
  width: 43%;
  height: 47%;
  background: radial-gradient(circle at 32% 68%, #fde8e4 0 14%, var(--coral) 72%);
  opacity: 0.66;
  animation: organelle-coral 13s ease-in-out infinite alternate;
}

[data-core-state="retrieving"] .organelle-blue,
[data-core-state="reasoning"] .organelle-yellow,
[data-core-state="connecting"] .organelle-green,
[data-core-state="evolving"] .organelle-coral {
  opacity: 0.92;
  filter: saturate(1.16);
}

.core-nerve {
  position: absolute;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 50%;
  opacity: 0.7;
}

.nerve-a {
  top: 25%;
  left: 18%;
  width: 64%;
  height: 48%;
  transform: rotate(21deg);
}

.nerve-b {
  top: 35%;
  left: 29%;
  width: 47%;
  height: 37%;
  transform: rotate(-31deg);
}

.core-inner-rim,
.core-specular,
.core-edge {
  position: absolute;
  border-radius: inherit;
  pointer-events: none;
}

.core-inner-rim {
  inset: 2.5%;
  border: 1px solid rgba(255, 255, 255, 0.58);
  box-shadow:
    16px 14px 28px rgba(43, 63, 61, 0.12) inset,
    -12px -13px 25px rgba(255, 255, 255, 0.68) inset;
}

.core-specular {
  top: 9%;
  left: 18%;
  width: 51%;
  height: 22%;
  border-top: 8px solid rgba(255, 255, 255, 0.74);
  filter: blur(5px);
  opacity: 0.62;
  transform: rotate(-17deg) translate(calc(var(--pointer-x) * 8px), calc(var(--pointer-y) * 5px));
}

.core-edge {
  inset: 0;
  border: 2px solid transparent;
  opacity: 0.4;
}

.core-edge-cool {
  border-left-color: rgba(91, 141, 239, 0.5);
  transform: translateX(-2px);
}

.core-edge-warm {
  border-right-color: rgba(239, 125, 115, 0.42);
  transform: translateX(2px);
}

/* Living Core V2: shell optics and crisp semantic organs are independent layers. */
.living-core {
  --core-pointer-x: 50%;
  --core-pointer-y: 50%;
  --core-scroll-y: 0px;
  --core-shell-scroll-y: 0px;
  --core-shell-press: 1;
  --core-pressure: 0;
  --core-highlight-angle: -19deg;
  isolation: isolate;
  padding: 0;
  border: 0;
  background: transparent;
  transform: none;
  transition: none;
}

.living-core .core-ambient {
  inset: 7%;
  filter: blur(38px);
  opacity: calc(0.52 + var(--core-energy, 0) * 0.24);
  transform: scale(calc(1.13 + var(--core-energy, 0) * 0.05));
  animation: none;
}

.living-core .core-shadow {
  transform: translate(calc((var(--core-pointer-x) - 50%) * -0.05), 0);
}

.core-shell {
  position: absolute;
  z-index: 2;
  inset: 4%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: inherit;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.56), rgba(232, 239, 238, 0.12)),
    rgba(255, 255, 255, 0.12);
  box-shadow:
    20px 28px 60px rgba(73, 91, 89, 0.12),
    -10px -12px 32px rgba(255, 255, 255, 0.78),
    0 2px 3px rgba(255, 255, 255, 0.9) inset,
    14px 16px 28px rgba(76, 96, 94, 0.11) inset,
    -14px -16px 28px rgba(255, 255, 255, 0.62) inset;
  backdrop-filter: blur(2px) saturate(1.24);
  -webkit-backdrop-filter: blur(2px) saturate(1.24);
  transform: translate3d(0, var(--core-shell-scroll-y), 0);
  transform-origin: var(--core-pointer-x) var(--core-pointer-y);
}

.core-shell-refraction,
.core-shell-caustic,
.core-shell-lens {
  position: absolute;
  pointer-events: none;
}

.core-shell-refraction {
  inset: -5%;
  border-radius: inherit;
  background:
    radial-gradient(circle at 21% 20%, rgba(255, 255, 255, 0.72), transparent 24%),
    radial-gradient(circle at 79% 72%, rgba(164, 198, 193, 0.16), transparent 42%),
    linear-gradient(132deg, rgba(255, 255, 255, 0.15), rgba(205, 222, 219, 0.1));
  filter: url(#liquid-refraction);
  opacity: 0.76;
}

.core-shell-caustic {
  inset: 5%;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 41% 59% 47% 53% / 55% 45% 55% 45%;
  box-shadow:
    -18px -11px 34px rgba(255, 255, 255, 0.52) inset,
    16px 20px 30px rgba(63, 86, 83, 0.08) inset;
  opacity: 0.68;
}

.core-shell-lens {
  top: var(--core-pointer-y);
  left: var(--core-pointer-x);
  width: 30%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 50%;
  background: radial-gradient(circle at 36% 30%, rgba(255, 255, 255, 0.26), rgba(210, 227, 224, 0.04) 58%, transparent 72%);
  box-shadow: 8px 10px 22px rgba(68, 89, 86, 0.08) inset;
  opacity: calc(var(--core-energy, 0) * 0.8);
  transform:
    translate(-50%, -50%)
    rotate(var(--core-highlight-angle))
    scaleX(calc(0.82 + var(--core-energy, 0) * 0.22 + var(--core-pressure) * 0.16))
    scaleY(calc(0.82 + var(--core-energy, 0) * 0.22 - var(--core-pressure) * 0.13));
}

.core-shell .core-inner-rim,
.core-shell .core-specular,
.core-shell .core-edge {
  position: absolute;
  border-radius: inherit;
  pointer-events: none;
}

.core-shell .core-inner-rim {
  inset: 2.5%;
  border: 1px solid rgba(255, 255, 255, 0.58);
  box-shadow:
    16px 14px 28px rgba(43, 63, 61, 0.12) inset,
    -12px -13px 25px rgba(255, 255, 255, 0.68) inset;
}

.core-shell .core-specular {
  top: 9%;
  left: 18%;
  width: 51%;
  height: 22%;
  border-top: 7px solid rgba(255, 255, 255, 0.74);
  filter: blur(4px);
  opacity: 0.58;
  transform: rotate(-17deg);
}

.core-shell .core-edge {
  inset: 0;
  border: 2px solid transparent;
  opacity: 0.4;
}

.core-organ-layer {
  position: absolute;
  z-index: 4;
  inset: 13%;
  pointer-events: none;
}

.core-organ {
  --organ-x: 0px;
  --organ-y: 0px;
  --organ-scale-x: 1;
  --organ-scale-y: 1;
  --organ-rotate: 0deg;
  --organ-scroll-y: 0px;
  position: absolute;
  display: block;
  transform: translate3d(var(--organ-x), calc(var(--organ-y) + var(--organ-scroll-y)), 0) rotate(var(--organ-rotate)) scale(var(--organ-scale-x), var(--organ-scale-y));
  transform-origin: 50% 54%;
}

.core-organ-retrieving {
  --organ-rotate: -7deg;
  top: 1%; left: 0; width: 54%; height: 51%;
  border-radius: 42% 58% 62% 38% / 38% 47% 53% 62%;
}

.core-organ-reasoning {
  --organ-rotate: 8deg;
  top: 4%; right: 0; width: 48%; height: 46%;
  border-radius: 59% 41% 38% 62% / 43% 62% 38% 57%;
}

.core-organ-connecting {
  --organ-rotate: -5deg;
  right: 0; bottom: 0; width: 54%; height: 53%;
  border-radius: 55% 45% 39% 61% / 39% 54% 46% 61%;
}

.core-organ-evolving {
  --organ-rotate: 6deg;
  bottom: 0; left: 0; width: 49%; height: 51%;
  border-radius: 39% 61% 57% 43% / 59% 39% 61% 41%;
}

.core-organ-depth,
.core-organ-color,
.core-organ-caustic,
.core-organ-rim {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.core-organ-depth {
  background: radial-gradient(circle at 68% 76%, rgba(47, 66, 64, 0.2), transparent 52%);
  box-shadow: 6px 9px 18px rgba(58, 79, 76, 0.12);
}

.core-organ-color {
  border: 1px solid rgba(255, 255, 255, 0.36);
  box-shadow:
    1px 2px 3px rgba(54, 72, 70, 0.12) inset,
    -5px -7px 14px rgba(255, 255, 255, 0.38) inset;
  opacity: 0.84;
}

.core-organ-retrieving .core-organ-color {
  background:
    radial-gradient(circle at 28% 24%, rgba(249, 251, 255, 0.98) 0 7%, rgba(220, 232, 255, 0.7) 20%, transparent 46%),
    linear-gradient(145deg, #a9c6ff 0%, #6f9ef2 62%, #557fcf 100%);
}

.core-organ-reasoning .core-organ-color {
  background:
    radial-gradient(circle at 67% 23%, rgba(255, 254, 246, 0.98) 0 7%, rgba(255, 244, 202, 0.72) 20%, transparent 46%),
    linear-gradient(145deg, #f9dd8b 0%, #edc34f 66%, #d6a939 100%);
}

.core-organ-connecting .core-organ-color {
  background:
    radial-gradient(circle at 68% 71%, rgba(247, 253, 250, 0.98) 0 7%, rgba(220, 244, 233, 0.7) 20%, transparent 46%),
    linear-gradient(145deg, #a8dbc7 0%, #62b28f 65%, #478f72 100%);
}

.core-organ-evolving .core-organ-color {
  background:
    radial-gradient(circle at 29% 70%, rgba(255, 250, 248, 0.98) 0 7%, rgba(254, 226, 221, 0.72) 20%, transparent 46%),
    linear-gradient(145deg, #f4aaa1 0%, #e9756e 65%, #cb5b56 100%);
}

.core-organ-caustic {
  inset: 2%;
  border-radius: inherit;
  box-shadow: 0 2px 1px rgba(255, 255, 255, 0.72) inset;
  opacity: 0.68;
  transform: none;
  -webkit-mask-image: linear-gradient(112deg, transparent 5%, #000 24%, #000 56%, transparent 76%);
  mask-image: linear-gradient(112deg, transparent 5%, #000 24%, #000 56%, transparent 76%);
}

.core-organ-rim {
  border: 1px solid rgba(255, 255, 255, 0.58);
  box-shadow:
    6px 8px 12px rgba(35, 52, 50, 0.13) inset,
    -5px -7px 11px rgba(255, 255, 255, 0.42) inset;
}

[data-core-state="retrieving"] .core-organ-retrieving,
[data-core-state="reasoning"] .core-organ-reasoning,
[data-core-state="connecting"] .core-organ-connecting,
[data-core-state="evolving"] .core-organ-evolving { z-index: 2; }

[data-core-state="retrieving"] .core-organ-retrieving .core-organ-rim,
[data-core-state="reasoning"] .core-organ-reasoning .core-organ-rim,
[data-core-state="connecting"] .core-organ-connecting .core-organ-rim,
[data-core-state="evolving"] .core-organ-evolving .core-organ-rim {
  border-color: rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.3),
    7px 9px 14px rgba(35, 52, 50, 0.15) inset,
    -6px -8px 13px rgba(255, 255, 255, 0.54) inset;
}

.core-neural-layer {
  position: absolute;
  z-index: 3;
  inset: 13%;
  width: 74%;
  height: 74%;
  overflow: visible;
  pointer-events: none;
}

.neural-track,
.neural-cross,
.neural-relay {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.neural-junction {
  fill: rgba(255, 255, 255, 0.94);
  stroke: rgba(65, 83, 81, 0.24);
  stroke-width: 0.6;
  vector-effect: non-scaling-stroke;
}

.living-core[data-relay-active="true"] .neural-junction {
  animation: neural-junction 620ms cubic-bezier(.16, 1, .3, 1) both;
}

.neural-track,
.neural-cross {
  stroke: rgba(255, 255, 255, 0.68);
  stroke-width: 0.75;
}

.neural-cross {
  stroke: rgba(64, 82, 80, 0.18);
  stroke-dasharray: 0.035 0.055;
}

.neural-relay {
  stroke: rgba(47, 78, 73, 0.66);
  stroke-linecap: round;
  stroke-width: 1.8;
  stroke-dasharray: 0.16 0.84;
  stroke-dashoffset: 1;
  opacity: 0;
}

.living-core[data-relay-active="true"] .neural-relay {
  animation: neural-relay 720ms cubic-bezier(.16, 1, .3, 1) both;
}

.living-core[data-relay-active="true"] .neural-relay:nth-of-type(6) { animation-delay: 100ms; }
.living-core[data-relay-active="true"] .neural-relay:nth-of-type(7) { animation-delay: 200ms; }
.living-core[data-relay-active="true"] .neural-relay:nth-of-type(8) { animation-delay: 300ms; }

.core-hotspot-layer {
  position: absolute;
  z-index: 7;
  inset: 13%;
}

.core-hotspot-layer button {
  position: absolute;
  width: 46%;
  height: 45%;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  appearance: none;
}

.core-hotspot-layer button:focus-visible {
  outline: 2px solid rgba(32, 33, 36, 0.74);
  outline-offset: 5px;
}

.core-hotspot-layer [data-core-organ="retrieving"] { top: 0; left: 0; }
.core-hotspot-layer [data-core-organ="reasoning"] { top: 0; right: 0; }
.core-hotspot-layer [data-core-organ="connecting"] { right: 0; bottom: 0; }
.core-hotspot-layer [data-core-organ="evolving"] { bottom: 0; left: 0; }

.core-orbit {
  position: absolute;
  z-index: 1;
  width: min(43vw, 550px);
  aspect-ratio: 1;
  border: 1px solid rgba(59, 69, 69, 0.09);
  border-radius: 50%;
}

.core-orbit::before,
.core-orbit::after {
  position: absolute;
  border: 1px solid rgba(59, 69, 69, 0.07);
  border-radius: 50%;
  content: "";
}

.core-orbit::before { inset: 10%; }
.core-orbit::after { inset: 21%; }

.orbit-label {
  position: absolute;
  padding: 7px 10px;
  border: 1px solid rgba(32, 33, 36, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: #747c7d;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.14em;
  box-shadow: 0 8px 30px rgba(46, 60, 59, 0.07);
}

.orbit-label-a { top: -13px; left: 44%; }
.orbit-label-b { top: 58%; right: -26px; }
.orbit-label-c { bottom: 7%; left: 4%; }

.core-readout {
  position: absolute;
  z-index: 6;
  right: 0;
  bottom: 10%;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 205px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 40px rgba(56, 72, 70, 0.1);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.readout-pulse {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(91, 141, 239, 0.14);
}

.core-readout strong,
.core-readout small {
  display: block;
}

.core-readout strong {
  margin-bottom: 5px;
  font-size: 12px;
  letter-spacing: -0.01em;
}

.core-readout small {
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.45;
}

.core-hint {
  position: absolute;
  bottom: 3%;
  margin: 0;
  color: #858d8e;
  font-size: 10px;
}

.hero-index {
  position: absolute;
  right: 0;
  bottom: 34px;
  left: 0;
  display: flex;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #929899;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.pulse {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  margin-top: 56px;
  padding: 72px;
  border-radius: var(--radius-xl);
  background: var(--yellow-soft);
}

.pulse::after {
  position: absolute;
  right: -14%;
  bottom: -42%;
  width: 52%;
  aspect-ratio: 1;
  border: 1px solid rgba(164, 126, 30, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 0 48px rgba(255, 255, 255, 0.12),
    0 0 0 96px rgba(255, 255, 255, 0.1);
  content: "";
}

.section-marker {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}

.marker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #b5861d;
  box-shadow: 0 0 0 5px rgba(181, 134, 29, 0.12);
}

.pulse-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 72px;
  min-height: 310px;
}

.pulse h2 {
  max-width: 750px;
  font-size: clamp(43px, 5vw, 72px);
}

.pulse-copy {
  padding-bottom: 8px;
}

.pulse-copy p {
  margin: 0 0 28px;
  color: #5f583f;
  font-size: 16px;
  line-height: 1.7;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  border: 1px solid rgba(99, 79, 24, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  font-size: 10px;
  font-weight: 760;
}

.status-chip > span:first-child {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #b5861d;
  animation: signal-pulse 2s ease-in-out infinite;
}

.pulse-signal {
  position: absolute;
  top: 52px;
  right: 58px;
  display: flex;
  align-items: end;
  gap: 5px;
  height: 34px;
}

.pulse-signal span {
  width: 3px;
  border-radius: 3px;
  background: rgba(126, 96, 24, 0.25);
  animation: signal-bars 1.8s ease-in-out infinite alternate;
}

.pulse-signal span:nth-child(1) { height: 30%; animation-delay: -0.8s; }
.pulse-signal span:nth-child(2) { height: 70%; animation-delay: -0.3s; }
.pulse-signal span:nth-child(3) { height: 100%; animation-delay: -1.1s; }
.pulse-signal span:nth-child(4) { height: 55%; animation-delay: -0.5s; }
.pulse-signal span:nth-child(5) { height: 22%; animation-delay: -1.4s; }

.systems,
.journal,
.explore {
  padding-block: 148px 40px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 62px;
}

.section-heading > div {
  max-width: 800px;
}

.section-heading h2,
.explore h2 {
  font-size: clamp(42px, 4.7vw, 70px);
}

.system-list {
  display: grid;
  gap: 18px;
}

.system-card {
  position: relative;
  display: grid;
  grid-template-columns: 80px minmax(340px, 0.9fr) minmax(340px, 1fr);
  align-items: stretch;
  min-height: 380px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  transition: transform 480ms var(--ease-soft), box-shadow 480ms ease;
}

.system-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.system-card:focus-visible {
  outline: 3px solid rgba(91, 141, 239, 0.88);
  outline-offset: 5px;
}

.system-blue { background: var(--blue-soft); }
.system-green { background: var(--green-soft); }
.system-coral { background: var(--coral-soft); }

.system-number {
  padding: 32px 0 0 32px;
  color: rgba(32, 33, 36, 0.48);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
}

.system-visual {
  position: relative;
  min-height: 330px;
  margin: 24px 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 38% 62% 47% 53% / 59% 43% 57% 41%;
  background: rgba(255, 255, 255, 0.28);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    10px 14px 28px rgba(52, 68, 67, 0.08) inset;
  transition: border-radius 700ms var(--ease-soft), transform 700ms var(--ease-soft);
}

.system-card:hover .system-visual {
  border-radius: 54% 46% 56% 44% / 42% 58% 42% 58%;
  transform: scale(1.018) rotate(-1deg);
}

.system-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 52px 64px;
}

.system-type {
  margin: 0 0 18px;
  color: rgba(32, 33, 36, 0.54);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.system-copy h3 {
  margin: 0;
  font-size: clamp(34px, 3.7vw, 56px);
  font-weight: 620;
  letter-spacing: -0.055em;
}

.system-copy > p:not(.system-type) {
  max-width: 440px;
  margin: 22px 0 32px;
  color: rgba(32, 33, 36, 0.66);
  font-size: 15px;
  line-height: 1.7;
}

.system-status {
  width: max-content;
  margin-bottom: 14px;
  padding: 6px 9px;
  border: 1px solid rgba(32, 33, 36, 0.14);
  border-radius: 999px;
  color: rgba(32, 33, 36, 0.68);
  font-size: 10px;
  font-weight: 750;
}

.system-action {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: max-content;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(32, 33, 36, 0.25);
  font-size: 12px;
  font-weight: 750;
}

.visual-code {
  position: absolute;
  right: 22px;
  bottom: 18px;
  color: rgba(32, 33, 36, 0.45);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
}

.knowledge-orbit {
  position: absolute;
  border: 1px solid rgba(51, 93, 174, 0.22);
  border-radius: 50%;
}

.orbit-one { inset: 19%; }
.orbit-two { inset: 33%; }

.knowledge-node {
  position: absolute;
  width: 19px;
  height: 19px;
  border: 5px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 7px 20px rgba(54, 94, 170, 0.2);
}

.node-one { top: 28%; left: 25%; }
.node-two { top: 43%; right: 25%; }
.node-three { right: 42%; bottom: 25%; }

.agent-pill {
  position: absolute;
  z-index: 2;
  padding: 12px 17px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: #3f6c59;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(54, 92, 76, 0.12);
}

.agent-one { top: 22%; left: 14%; }
.agent-two { top: 41%; right: 13%; }
.agent-three { bottom: 18%; left: 34%; }

.agent-path {
  position: absolute;
  height: 1px;
  background: rgba(58, 112, 88, 0.28);
  transform-origin: left center;
}

.path-one { top: 35%; left: 29%; width: 45%; transform: rotate(17deg); }
.path-two { top: 54%; left: 38%; width: 34%; transform: rotate(116deg); }

.monitor-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48%;
  aspect-ratio: 1;
  border: 20px solid rgba(255, 255, 255, 0.5);
  border-top-color: var(--coral);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(32deg);
  box-shadow: 0 10px 30px rgba(134, 68, 62, 0.08);
}

.monitor-hand {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 21%;
  height: 3px;
  border-radius: 3px;
  background: #96554f;
  transform: rotate(-42deg);
  transform-origin: left center;
}

.monitor-ping {
  position: absolute;
  top: 21%;
  right: 25%;
  width: 13px;
  height: 13px;
  border: 4px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  background: var(--coral);
  animation: signal-pulse 2s ease-in-out infinite;
}

.journal {
  min-height: 850px;
}

.journal-heading {
  max-width: 840px;
}

.journal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 24px;
}

.journal-lead {
  display: grid;
  grid-template-rows: 410px auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-solid);
}

.journal-art {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.56) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.56) 1px, transparent 1px),
    var(--bg-cool);
  background-size: 42px 42px;
}

.journal-glyph {
  position: relative;
  width: 220px;
  aspect-ratio: 1;
  filter: url(#soft-goo);
}

.journal-glyph span {
  position: absolute;
  border-radius: 45% 55% 50% 50%;
  background: var(--ink);
}

.journal-glyph span:nth-child(1) { inset: 18% 34% 42% 22%; }
.journal-glyph span:nth-child(2) { inset: 39% 18% 20% 40%; }
.journal-glyph span:nth-child(3) { inset: 51% 49% 13% 18%; }

.journal-art-label {
  position: absolute;
  right: 24px;
  bottom: 20px;
  color: #72797a;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.journal-lead-copy {
  padding: 38px 42px 44px;
}

.journal-lead-copy > p:first-child {
  margin: 0 0 17px;
  color: #858b8c;
  font-size: 10px;
  font-weight: 740;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.journal-lead-copy h3 {
  max-width: 670px;
  margin: 0;
  font-size: clamp(27px, 3vw, 42px);
  font-weight: 630;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.journal-lead-copy > p:last-child {
  margin: 22px 0 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.journal-notes {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.journal-note {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 20px;
  padding: 30px 10px 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 220ms ease, background 220ms ease;
}

.journal-note:hover {
  padding-left: 16px;
  background: rgba(255, 255, 255, 0.55);
}

.journal-note > span:first-child {
  color: #929899;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
}

.journal-note strong {
  max-width: 310px;
  font-size: 16px;
  font-weight: 620;
  line-height: 1.45;
}

.journal-all {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding: 24px 10px 8px 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.explore {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 80px;
  align-items: start;
  margin-top: 90px;
  margin-bottom: 120px;
  padding: 78px;
  border-radius: var(--radius-xl);
  background: #e3edf3;
}

.explore-intro {
  position: sticky;
  top: 130px;
}

.explore h2 {
  max-width: 500px;
}

.explore-links {
  border-top: 1px solid rgba(32, 33, 36, 0.13);
}

.explore-link {
  display: grid;
  grid-template-columns: 45px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 26px 4px;
  border-bottom: 1px solid rgba(32, 33, 36, 0.13);
  transition: padding 220ms ease, background 220ms ease;
}

.explore-link:hover {
  padding-inline: 16px;
  background: rgba(255, 255, 255, 0.34);
}

.explore-index {
  color: #7d898e;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
}

.explore-link strong,
.explore-link small {
  display: block;
}

.explore-link strong {
  margin-bottom: 5px;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.035em;
}

.explore-link small {
  color: var(--ink-soft);
  font-size: 11px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 120px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
}

.footer-brand {
  color: var(--ink);
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}

[data-material="performance"] .glass-control {
  background: rgba(246, 248, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-material="performance"] .mode-dot {
  background: #8b9292;
  box-shadow: none;
}

[data-material="performance"] .core-refraction {
  filter: none;
  transform: none;
}

[data-material="performance"] .core-edge,
[data-material="performance"] .core-specular {
  opacity: 0.12;
}

[data-material="performance"] .core-body,
[data-material="performance"] .core-ambient,
[data-material="performance"] .organelle,
[data-material="performance"] .core-orbit,
[data-material="performance"] .orbit-label {
  animation-duration: 60s;
}

[data-material="performance"] .core-shell-refraction {
  filter: none;
  opacity: 0.34;
}

[data-material="performance"] .core-shell {
  backdrop-filter: blur(12px) saturate(1.08);
  -webkit-backdrop-filter: blur(12px) saturate(1.08);
}

[data-material="performance"] .core-shell-lens,
[data-material="performance"] .core-edge {
  opacity: 0.08;
}

@keyframes core-morph {
  0% { border-radius: 44% 56% 51% 49% / 53% 44% 56% 47%; transform: rotate(-1deg) scale(0.985); }
  48% { border-radius: 53% 47% 44% 56% / 46% 55% 45% 54%; transform: rotate(1deg) scale(1.015); }
  100% { border-radius: 48% 52% 57% 43% / 57% 46% 54% 43%; transform: rotate(-0.5deg) scale(0.995); }
}

@keyframes ambient-breathe {
  0%, 100% { opacity: 0.55; transform: scale(1.12) rotate(-6deg); }
  50% { opacity: 0.88; transform: scale(1.25) rotate(7deg); }
}

@keyframes organelle-blue {
  to { transform: translate(18%, 22%) scale(1.08) rotate(16deg); }
}

@keyframes organelle-green {
  to { transform: translate(-19%, -18%) scale(1.11) rotate(-14deg); }
}

@keyframes organelle-yellow {
  to { transform: translate(-25%, 18%) scale(0.92) rotate(22deg); }
}

@keyframes organelle-coral {
  to { transform: translate(24%, -20%) scale(1.06) rotate(-18deg); }
}

@keyframes neural-relay {
  0% { opacity: 0; stroke-dashoffset: 1; }
  18% { opacity: 1; }
  78% { opacity: 0.9; }
  100% { opacity: 0; stroke-dashoffset: 0; }
}

@keyframes neural-junction {
  0% { opacity: 0.55; transform: scale(1); transform-origin: center; }
  42% { opacity: 1; transform: scale(1.7); transform-origin: center; }
  100% { opacity: 0.72; transform: scale(1); transform-origin: center; }
}

@keyframes orbit-turn { to { transform: rotate(360deg); } }
@keyframes orbit-counterturn { to { transform: rotate(-360deg); } }

@keyframes signal-pulse {
  0%, 100% { opacity: 0.52; transform: scale(0.82); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes signal-bars {
  to { height: 18%; opacity: 0.45; }
}

@media (max-width: 1050px) {
  :root { --page: min(940px, calc(100vw - 40px)); }

  .hero {
    grid-template-columns: 1fr 420px;
  }

  .hero h1 { font-size: clamp(50px, 6vw, 72px); }
  .living-core { width: 390px; }
  .core-orbit { width: 450px; }
  .core-readout { right: -10px; }

  .system-card {
    grid-template-columns: 62px minmax(270px, 0.85fr) minmax(300px, 1fr);
  }

  .system-copy { padding: 42px; }
}

@media (max-width: 820px) {
  :root { --page: calc(100vw - 32px); }

  .nav-island {
    width: calc(100vw - 24px);
    min-height: 60px;
  }

  .nav-content {
    grid-template-columns: 1fr auto;
    min-height: 60px;
  }

  .nav-links { display: none; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 150px;
  }

  .hero::before { display: none; }
  .hero-copy { max-width: 720px; }
  .hero h1 { font-size: clamp(54px, 11vw, 82px); }
  .core-column { min-height: 610px; }
  .living-core { width: min(70vw, 470px); }
  .core-orbit { width: min(82vw, 550px); }
  .core-readout { right: 8%; bottom: 8%; }

  .pulse { padding: 52px; }
  .pulse-grid { grid-template-columns: 1fr; gap: 40px; }

  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 28px;
  }

  .system-card {
    grid-template-columns: 54px 1fr;
    min-height: 0;
  }

  .system-number { padding-left: 24px; }
  .system-visual { margin-right: 24px; }
  .system-copy { grid-column: 1 / -1; padding: 28px 40px 44px; }

  .journal-grid,
  .explore {
    grid-template-columns: 1fr;
  }

  .explore { gap: 50px; padding: 58px; }
  .explore-intro { position: static; }

  .site-footer {
    grid-template-columns: 1fr auto;
  }

  .site-footer > p { display: none; }
}

@media (max-width: 560px) {
  :root { --page: calc(100vw - 24px); }

  .site-header { top: 10px; }
  .nav-island { width: calc(100vw - 16px); border-radius: 20px; }
  .nav-content { padding-left: 13px; }
  .brand { font-size: 12px; }
  .brand-mark { transform: scale(0.88) rotate(8deg); }
  .language-toggle { padding-inline: 9px; }
  .mode-toggle { min-width: 42px; padding-inline: 12px; }
  .mode-toggle [data-mode-label] { display: none; }

  .hero { padding-top: 126px; padding-bottom: 70px; }
  .hero h1 { font-size: clamp(47px, 14.5vw, 68px); line-height: 0.98; }
  .hero-summary { margin-top: 24px; font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; margin-top: 30px; }
  .core-column { min-height: 460px; }
  .living-core { width: min(86vw, 390px); }
  .core-orbit { width: min(98vw, 450px); }
  .orbit-label-b { right: 0; }
  .core-readout { right: 2%; bottom: 5%; width: 190px; }
  .core-hint { left: 3%; bottom: 0; }
  .hero-index { bottom: 4px; }

  .pulse {
    min-height: 540px;
    margin-top: 28px;
    padding: 36px 28px;
    border-radius: 42px;
  }

  .pulse h2,
  .section-heading h2,
  .explore h2 { font-size: clamp(39px, 12vw, 56px); }
  .pulse-signal { top: auto; right: 28px; bottom: 30px; }

  .systems,
  .journal,
  .explore { padding-top: 110px; }

  .system-card { grid-template-columns: 42px 1fr; border-radius: 34px; }
  .system-number { padding: 25px 0 0 20px; }
  .system-visual { min-height: 270px; margin: 18px 18px 0 0; }
  .system-copy { padding: 28px 28px 38px; }

  .journal-lead { grid-template-rows: 330px auto; border-radius: 34px; }
  .journal-lead-copy { padding: 30px 28px 34px; }
  .journal-note { grid-template-columns: 46px 1fr auto; gap: 12px; }

  .explore {
    gap: 42px;
    margin-top: 40px;
    margin-bottom: 80px;
    padding: 48px 28px;
    border-radius: 42px;
  }

  .explore-link { grid-template-columns: 32px 1fr auto; gap: 10px; }
  .explore-link strong { font-size: 19px; }

  .site-footer { min-height: 100px; }
  .footer-links a:first-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}