:root {
  --bg: #02070d;
  --bg-2: #030914;
  --navy: #06111f;
  --navy-2: #071827;
  --navy-3: #082640;
  --panel: #0a1220;
  --panel-2: #101926;
  --blue: #1e8bff;
  --blue-hot: #00a6ff;
  --orange: #ff5a00;
  --orange-2: #ff8a1f;
  --text: #f4f7fb;
  --muted: #9ba8b7;
  --line: rgba(30, 139, 255, 0.24);
  --line-soft: rgba(255, 255, 255, 0.08);
  --font-display: "Syne", "DM Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-body);
  line-height: 1.4;
}

body.is-loading {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.site-shell {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 10%, rgba(0, 166, 255, 0.12), transparent 34rem),
    radial-gradient(circle at 85% 88%, rgba(0, 102, 255, 0.08), transparent 32rem),
    var(--bg);
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  gap: 22px;
  background:
    radial-gradient(circle at 50% 46%, rgba(0, 166, 255, 0.16), transparent 18rem),
    #02070d;
  transition: opacity 650ms ease, visibility 650ms ease;
}

.loader-logo {
  width: 92px;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(0, 166, 255, 0.46));
  animation: loaderPulse 1200ms ease-in-out infinite;
}

.loader-line {
  width: min(220px, 46vw);
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(30, 139, 255, 0.16);
}

.loader-line::before {
  content: "";
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, var(--blue-hot), var(--orange), transparent);
  animation: loaderLine 1400ms ease-in-out infinite;
}

.page-ready .page-loader {
  opacity: 0;
  visibility: hidden;
}

.page-ready .site-header {
  animation: headerIn 760ms cubic-bezier(0.2, 0.8, 0.2, 1) 120ms both;
}

.page-ready .hero-copy {
  animation: heroCopyIn 900ms cubic-bezier(0.18, 0.9, 0.18, 1) 240ms both;
}

.page-ready .hero-visual {
  animation: heroVisualIn 1100ms cubic-bezier(0.18, 0.9, 0.18, 1) 360ms both;
}

.interaction-toast {
  position: fixed;
  right: clamp(18px, 3vw, 42px);
  bottom: 24px;
  z-index: 35;
  width: min(340px, calc(100vw - 36px));
  padding: 16px 18px;
  border: 1px solid rgba(30, 139, 255, 0.58);
  border-radius: 8px;
  color: var(--text);
  background:
    radial-gradient(circle at 100% 0, rgba(30, 139, 255, 0.18), transparent 12rem),
    linear-gradient(180deg, rgba(4, 15, 27, 0.96), rgba(2, 7, 13, 0.96));
  box-shadow:
    0 0 28px rgba(30, 139, 255, 0.18),
    inset 0 0 18px rgba(30, 139, 255, 0.06);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.interaction-toast::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), rgba(30, 139, 255, 0.12));
}

.interaction-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.interaction-toast p,
.interaction-toast h3 {
  margin: 0;
}

.interaction-toast h3 {
  margin-bottom: 5px;
  font-size: 17px;
  font-weight: 700;
}

.interaction-toast p:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.toast-kicker {
  margin-bottom: 7px !important;
  color: #8fc9ff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(30, 139, 255, 0.55) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(255, 90, 0, 0.45) 0 1px, transparent 1.8px);
  background-position: 0 0, 43px 70px;
  background-size: 130px 130px, 220px 220px;
  opacity: 0.08;
  z-index: 0;
}

.site-header,
.section,
.site-footer {
  position: relative;
  z-index: 1;
  width: min(100%, 1440px);
  margin: 0 auto;
}

.site-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 28px clamp(24px, 4.5vw, 68px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-symbol {
  display: block;
  width: 46px;
  height: 40px;
  object-fit: contain;
  filter:
    drop-shadow(0 0 10px rgba(0, 166, 255, 0.42))
    drop-shadow(0 0 8px rgba(255, 90, 0, 0.18));
}

.brand-mark {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 38px;
  filter: drop-shadow(0 0 10px rgba(0, 166, 255, 0.35));
}

.mark-arm {
  position: absolute;
  bottom: 4px;
  width: 16px;
  height: 36px;
  border-radius: 999px;
}

.mark-blue {
  left: 8px;
  transform: rotate(-30deg);
  background: linear-gradient(180deg, #008cff, #1ee4ff 52%, #0d59ff);
}

.mark-orange {
  right: 8px;
  transform: rotate(30deg);
  background: linear-gradient(180deg, #ffb000, #ff5a00 60%, #ff7a1a);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-name strong {
  color: var(--orange);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 4vw, 56px);
  color: rgba(244, 247, 251, 0.92);
  font-size: 14px;
}

.site-nav a,
.footer-actions a {
  position: relative;
  transition: color 180ms ease, opacity 180ms ease, border-color 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.footer-actions a:hover {
  color: var(--blue-hot);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--blue-hot), transparent);
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 220ms ease, transform 220ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  border-radius: 6px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}

.header-cta,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), #ff6f00 54%, var(--orange-2));
  box-shadow: 0 0 32px rgba(255, 90, 0, 0.18);
}

.btn-secondary {
  color: var(--text);
  background: rgba(2, 7, 13, 0.42);
  border-color: rgba(30, 139, 255, 0.72);
}

.btn-outline {
  width: 100%;
  color: var(--orange);
  border-color: rgba(255, 90, 0, 0.9);
  background: transparent;
  font-size: 21px;
}

.btn:hover,
.header-cta:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(2, 7, 13, 0.5);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.section {
  border-top: 1px solid var(--line-soft);
  padding: 34px clamp(24px, 4.5vw, 68px);
}

.section-dark,
.section-problem,
.section-method,
.section-assessment,
.site-footer {
  background:
    linear-gradient(90deg, rgba(2, 7, 13, 0.95), rgba(4, 14, 25, 0.98)),
    var(--bg);
}

.section-gradient {
  background:
    radial-gradient(circle at 78% 50%, rgba(30, 139, 255, 0.18), transparent 26rem),
    linear-gradient(100deg, #02070d 0%, #03111f 25%, #071e33 56%, #04101d 100%);
}

.section-number {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--orange);
  font-weight: 700;
}

.section-number::after {
  content: "";
  width: 36px;
  height: 1px;
  background: rgba(255, 255, 255, 0.42);
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(440px, 1.3fr);
  gap: 38px;
  align-items: center;
  min-height: 690px;
  padding: 48px clamp(24px, 4.5vw, 68px) 26px;
  border-top: 0;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 86px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.hero h1 span,
.assessment-copy h2 span,
.problem-grid h2 span {
  color: var(--orange);
}

.hero-subtitle {
  max-width: 360px;
  margin: 26px 0 28px;
  color: rgba(244, 247, 251, 0.84);
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.33;
}

.hero-stack {
  display: grid;
  gap: 6px;
  margin: 0 0 32px;
  font-size: 18px;
  letter-spacing: 0.32em;
}

.hero-stack strong {
  color: var(--blue-hot);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 620px;
}

.orbit-system {
  position: relative;
  width: min(100%, 680px);
  aspect-ratio: 1.08;
  isolation: isolate;
}

.orbit-system::before {
  content: "";
  position: absolute;
  inset: 5%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(0, 166, 255, 0.15) 0 1px, transparent 2px),
    radial-gradient(circle, rgba(255, 90, 0, 0.22) 0 1px, transparent 1.8px);
  background-size: 46px 46px, 78px 78px;
  opacity: 0.5;
  mask-image: radial-gradient(circle, #000, transparent 76%);
}

.orbit-system::before,
.orbit,
.orbit::after,
.axis,
.orbit-sparks,
.core-ring,
.hologram-beam,
.hologram-base {
  pointer-events: none;
}

.orbit {
  position: absolute;
  inset: var(--inset);
  border: 1px solid rgba(30, 139, 255, var(--alpha));
  border-radius: 50%;
  box-shadow: 0 0 22px rgba(30, 139, 255, 0.13);
}

.orbit::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px dashed rgba(255, 90, 0, 0.36);
  transform: rotate(22deg);
}

.page-ready .orbit::after {
  animation: orbitSpin 32s linear infinite;
}

.page-ready .orbit-2::after {
  animation-duration: 42s;
  animation-direction: reverse;
}

.page-ready .orbit-4::after {
  animation-duration: 54s;
}

.orbit-1 { --inset: 18%; --alpha: 0.7; }
.orbit-2 { --inset: 12%; --alpha: 0.45; }
.orbit-3 { --inset: 6%; --alpha: 0.32; }
.orbit-4 { --inset: 0; --alpha: 0.22; }

.axis {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(0, 166, 255, 0.95), transparent);
  box-shadow: 0 0 18px rgba(0, 166, 255, 0.35);
}

.axis-x {
  top: 50%;
  left: 13%;
  right: 13%;
  height: 2px;
}

.axis-y {
  left: 50%;
  top: 12%;
  bottom: 16%;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(0, 166, 255, 0.95), transparent);
}

.center-core {
  position: absolute;
  left: 50%;
  top: 48%;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle, rgba(0, 166, 255, 0.15), rgba(0, 68, 128, 0.02) 62%),
    rgba(2, 7, 13, 0.76);
  border: 2px solid rgba(0, 166, 255, 0.9);
  box-shadow:
    0 0 40px rgba(0, 166, 255, 0.55),
    inset 0 0 42px rgba(0, 166, 255, 0.24);
}

.page-ready .center-core {
  animation: coreBreath 4200ms ease-in-out infinite;
}

.core-ring {
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 1px solid rgba(30, 139, 255, 0.4);
}

.mark-large {
  width: 100px;
  height: 88px;
}

.mark-system {
  width: 74px;
  height: 64px;
  transform: scale(0.85);
}

.core-logo {
  width: 124px;
  max-width: 74%;
  height: auto;
  display: block;
  object-fit: contain;
  filter:
    drop-shadow(0 0 18px rgba(0, 166, 255, 0.58))
    drop-shadow(0 0 16px rgba(255, 90, 0, 0.22));
}

.chain-logo {
  width: 78px;
  max-width: 70%;
  height: auto;
  display: block;
  object-fit: contain;
  filter:
    drop-shadow(0 0 12px rgba(0, 166, 255, 0.5))
    drop-shadow(0 0 10px rgba(255, 90, 0, 0.18));
}

.system-node {
  position: absolute;
  display: grid;
  place-items: center;
  gap: 7px;
  width: 108px;
  min-height: 92px;
  color: var(--text);
  text-align: center;
  font-weight: 700;
  font-size: 14px;
  background: rgba(3, 17, 31, 0.82);
  border: 1px solid rgba(30, 139, 255, 0.9);
  clip-path: polygon(50% 0, 92% 24%, 92% 76%, 50% 100%, 8% 76%, 8% 24%);
  box-shadow: 0 0 24px rgba(30, 139, 255, 0.3);
}

.node-icon {
  width: 34px;
  height: 34px;
  color: #fff;
}

.node-top { left: 50%; top: 2%; transform: translateX(-50%); }
.node-left { left: 5%; top: 38%; }
.node-right { right: 3%; top: 38%; }
.node-bottom { left: 50%; bottom: 0%; transform: translateX(-50%); }

.orbit-sparks span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange-2);
  box-shadow: 0 0 20px var(--orange), 0 0 42px rgba(255, 90, 0, 0.55);
  animation: sparkPulse 2600ms ease-in-out infinite;
}

.orbit-sparks span:nth-child(2n) {
  animation-delay: 520ms;
}

.orbit-sparks span:nth-child(3n) {
  animation-delay: 920ms;
}

.hologram-beam {
  position: absolute;
  left: 50%;
  bottom: 9%;
  width: 84px;
  height: 210px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(0, 166, 255, 0.65), rgba(0, 166, 255, 0));
  filter: blur(1px);
  opacity: 0.8;
  clip-path: polygon(48% 0, 56% 0, 100% 100%, 0 100%);
  z-index: -1;
}

.hologram-base {
  position: absolute;
  left: 50%;
  bottom: 4%;
  width: 430px;
  height: 110px;
  transform: translateX(-50%);
  border-radius: 50%;
  background:
    repeating-radial-gradient(ellipse, transparent 0 18px, rgba(0, 166, 255, 0.34) 19px 20px),
    radial-gradient(ellipse, rgba(0, 166, 255, 0.28), transparent 64%);
  filter: drop-shadow(0 0 18px rgba(0, 166, 255, 0.6));
  z-index: -2;
}

.section-problem {
  min-height: 250px;
  background:
    radial-gradient(ellipse at 42% 100%, rgba(0, 166, 255, 0.14), transparent 38rem),
    linear-gradient(90deg, rgba(2, 7, 13, 0.96), rgba(4, 14, 25, 0.98));
}

.section-problem::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background:
    radial-gradient(circle, rgba(30, 139, 255, 0.72) 0 1px, transparent 1.5px),
    linear-gradient(12deg, transparent 42%, rgba(0, 166, 255, 0.28), transparent 56%);
  background-size: 18px 18px, 100% 100%;
  opacity: 0.32;
  mask-image: linear-gradient(180deg, transparent, #000 38%, #000);
}

.problem-grid,
.system-grid,
.capabilities-grid,
.assessment-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
}

.problem-grid h2,
.system-grid h2,
.capabilities-grid h2,
.assessment-copy h2,
.section-method h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.problem-nodes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.problem-node,
.capability,
.chain-node,
.assessment-facts article {
  text-align: center;
}

.round-icon,
.fact-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 86px;
  height: 86px;
  border: 1px solid rgba(30, 139, 255, 0.9);
  border-radius: 50%;
  color: rgba(244, 247, 251, 0.92);
  background: radial-gradient(circle, rgba(30, 139, 255, 0.13), rgba(3, 17, 31, 0.4));
  box-shadow: 0 0 20px rgba(30, 139, 255, 0.26);
}

.round-icon svg,
.fact-icon svg {
  width: 42px;
  height: 42px;
}

.round-icon small {
  position: absolute;
  right: 2px;
  bottom: 8px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  color: var(--orange);
  border: 1px solid var(--orange);
  border-radius: 50%;
  font-size: 15px;
}

.problem-node p,
.chain-node p,
.capability h3,
.method-step h3 {
  margin: 11px 0 0;
  font-size: 15px;
  font-weight: 700;
}

.system-chain,
.capability-list {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
}

.chain-line {
  height: 2px;
  min-width: 42px;
  background: linear-gradient(90deg, rgba(30, 139, 255, 0.2), var(--blue-hot), rgba(30, 139, 255, 0.2));
  box-shadow: 0 0 16px rgba(30, 139, 255, 0.4);
}

.interactive-node {
  cursor: pointer;
  outline: none;
  transition:
    transform 180ms ease,
    filter 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.interactive-node:hover,
.interactive-node:focus-visible {
  filter: brightness(1.12);
}

.interactive-node:focus-visible {
  outline: 2px solid rgba(255, 90, 0, 0.92);
  outline-offset: 6px;
}

.system-node.interactive-node:hover,
.system-node.is-selected {
  border-color: var(--orange);
  box-shadow:
    0 0 24px rgba(30, 139, 255, 0.42),
    0 0 18px rgba(255, 90, 0, 0.28);
}

.system-node.is-selected,
.chain-node.is-selected .round-icon,
.capability.is-selected .round-icon,
.method-step.is-selected span {
  animation: interactivePulse 2200ms ease-in-out infinite;
}

.chain-node.interactive-node:hover .round-icon,
.chain-node.is-selected .round-icon,
.capability.interactive-node:hover .round-icon,
.capability.is-selected .round-icon {
  border-color: var(--orange);
  box-shadow:
    0 0 24px rgba(30, 139, 255, 0.36),
    0 0 16px rgba(255, 90, 0, 0.26);
}

.chain-node.is-selected p,
.capability.is-selected h3,
.method-step.is-selected h3 {
  color: #fff;
}

.chain-center {
  position: relative;
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  border: 1px solid rgba(30, 139, 255, 0.84);
  box-shadow: 0 0 28px rgba(30, 139, 255, 0.34);
}

.chain-center::before,
.chain-center::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(30, 139, 255, 0.28);
  border-radius: 50%;
}

.chain-center::after {
  inset: -13px;
}

.section-method {
  padding-bottom: 46px;
}

.method-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 42px;
}

.method-line::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(0, 166, 255, 0.8), rgba(0, 166, 255, 0.4));
  opacity: 0.9;
}

.method-step {
  position: relative;
  text-align: center;
}

.method-step span {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--blue-hot);
  background: var(--navy);
  border: 2px solid rgba(30, 139, 255, 0.9);
  font-size: 20px;
  font-weight: 700;
}

.method-step.active span {
  color: #fff;
  border-color: var(--orange);
  box-shadow: 0 0 20px rgba(255, 90, 0, 0.45);
}

.method-step.interactive-node:hover span,
.method-step.is-selected span {
  color: #fff;
  border-color: var(--orange);
  box-shadow:
    0 0 20px rgba(255, 90, 0, 0.45),
    0 0 16px rgba(30, 139, 255, 0.22);
}

.method-step p,
.capability p,
.assessment-facts p,
.result-card p,
.privacy-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.capabilities-grid {
  grid-template-columns: 0.56fr 1.44fr;
}

.capability-list {
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

.capability {
  position: relative;
  min-width: 0;
}

.capability:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 22px;
  right: -12px;
  width: 1px;
  height: 112px;
  background: rgba(255, 255, 255, 0.12);
}

.capability .round-icon {
  width: 76px;
  height: 76px;
}

.capability .round-icon svg {
  width: 38px;
  height: 38px;
}

.capability p {
  max-width: 128px;
  margin: 8px auto 0;
}

.section-assessment {
  padding-top: 54px;
  padding-bottom: 24px;
  background:
    radial-gradient(ellipse at 100% 72%, rgba(30, 139, 255, 0.18), transparent 32rem),
    linear-gradient(90deg, rgba(2, 7, 13, 0.98), rgba(4, 14, 25, 0.98));
}

.assessment-grid {
  align-items: start;
}

.assessment-copy h2 {
  font-size: clamp(34px, 4.4vw, 54px);
}

.assessment-copy sup {
  font-size: 13px;
  letter-spacing: 0;
}

.assessment-copy > p {
  max-width: 460px;
  color: rgba(244, 247, 251, 0.82);
  font-size: 17px;
}

.assessment-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 430px;
  margin: 34px 0 24px;
}

.fact-icon {
  width: 64px;
  height: 64px;
  color: var(--blue-hot);
  font-size: 24px;
  font-weight: 700;
}

.fact-icon svg {
  width: 32px;
  height: 32px;
}

.assessment-facts h3 {
  margin: 11px 0 4px;
  font-size: 14px;
}

.privacy-note {
  position: relative;
  padding-left: 18px;
}

.privacy-note::before {
  content: "▧";
  position: absolute;
  left: 0;
  color: rgba(244, 247, 251, 0.46);
}

.result-card {
  width: min(100%, 660px);
  margin-left: auto;
  padding: 30px 38px 22px;
  border: 1px solid rgba(30, 139, 255, 0.95);
  border-radius: 22px;
  background:
    radial-gradient(circle at 95% 12%, rgba(0, 166, 255, 0.14), transparent 18rem),
    linear-gradient(180deg, rgba(3, 17, 31, 0.8), rgba(5, 16, 28, 0.92));
  box-shadow: 0 0 30px rgba(30, 139, 255, 0.2);
}

.result-kicker {
  margin: 0 0 24px;
  color: #8fc9ff !important;
}

.result-label {
  margin: 0;
}

.score-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.score-row strong {
  color: var(--orange);
  font-size: 58px;
  line-height: 0.95;
}

.score-row span {
  color: rgba(244, 247, 251, 0.58);
  font-size: 28px;
}

.score-bar {
  height: 8px;
  margin: 10px 0 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.score-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), var(--orange-2));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1) 260ms;
}

.result-card.is-visible .score-bar span {
  transform: scaleX(1);
}

.leak-card,
.priority-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.035);
}

.leak-kicker {
  margin: 0 0 8px;
  color: var(--orange) !important;
  font-weight: 700;
}

.leak-card h3 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 500;
}

.pulse-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  color: var(--orange);
  border: 2px solid var(--orange);
  border-radius: 50%;
}

.pulse-icon svg {
  width: 45px;
  height: 45px;
}

.priority-card {
  margin-top: 18px;
  margin-bottom: 18px;
}

.priority-card p {
  margin: 0 0 2px;
  font-size: 16px;
}

.priority-card strong {
  color: var(--orange);
  font-size: 34px;
}

.mini-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 52px;
}

.mini-bars span {
  width: 16px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--blue-hot), #0a58ff);
  box-shadow: 0 0 12px rgba(30, 139, 255, 0.5);
  transform: scaleY(0.18);
  transform-origin: bottom;
  transition: transform 620ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.result-card.is-visible .mini-bars span {
  transform: scaleY(1);
}

.result-card.is-visible .mini-bars span:nth-child(2) { transition-delay: 80ms; }
.result-card.is-visible .mini-bars span:nth-child(3) { transition-delay: 160ms; }
.result-card.is-visible .mini-bars span:nth-child(4) { transition-delay: 240ms; }
.result-card.is-visible .mini-bars span:nth-child(5) { transition-delay: 320ms; }

.mini-bars span:nth-child(1) { height: 16px; }
.mini-bars span:nth-child(2) { height: 24px; }
.mini-bars span:nth-child(3) { height: 32px; }
.mini-bars span:nth-child(4) { height: 42px; }
.mini-bars span:nth-child(5) { height: 52px; }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(24px, 4.5vw, 68px) 32px;
  border-top: 1px solid var(--line-soft);
}

.site-footer .brand {
  align-items: flex-start;
}

.site-footer small {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-top: 2px;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer-actions a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: rgba(244, 247, 251, 0.78);
  font-size: 24px;
  font-weight: 800;
}

.assessment-modal {
  width: min(92vw, 620px);
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 0;
}

.assessment-modal::backdrop {
  background: rgba(2, 7, 13, 0.78);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  padding: 34px;
  border: 1px solid rgba(30, 139, 255, 0.8);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(4, 15, 27, 0.98), rgba(2, 7, 13, 0.98));
  box-shadow: 0 0 48px rgba(0, 166, 255, 0.16);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.modal-kicker {
  margin: 0 0 8px;
  color: var(--orange);
  font-weight: 700;
}

.modal-card h2 {
  margin: 0;
  font-size: 34px;
  letter-spacing: -0.04em;
}

.modal-card > p:not(.modal-kicker) {
  color: var(--muted);
}

.modal-progress {
  height: 6px;
  margin: 24px 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.modal-progress span {
  display: block;
  width: 33.33%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), var(--blue-hot));
  transition: width 180ms ease;
}

.modal-question {
  display: none;
}

.modal-question.active {
  display: grid;
  gap: 12px;
}

.modal-question h3 {
  margin: 0 0 8px;
}

.modal-question-shell {
  min-height: 270px;
}

.modal-question label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
}

.modal-question label,
.answer-option {
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.modal-question label:hover,
.answer-option:hover,
.answer-option.is-selected {
  border-color: rgba(255, 90, 0, 0.82);
  background: rgba(255, 90, 0, 0.08);
}

.answer-option {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  color: var(--text);
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
}

.answer-option .answer-copy {
  flex: 1 1 auto;
}

.answer-option .answer-copy strong {
  display: block;
  margin-bottom: 4px;
}

.answer-option .answer-copy span {
  display: block;
  color: rgba(244, 247, 251, 0.62);
  font-size: 12px;
  line-height: 1.35;
}

.answer-option::after {
  content: "";
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 4px;
  border: 1px solid rgba(30, 139, 255, 0.88);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(30, 139, 255, 0.28);
}

.answer-option.is-selected::after {
  border-color: var(--orange);
  background: var(--orange);
  box-shadow: 0 0 14px rgba(255, 90, 0, 0.48);
}

.modal-result {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(30, 139, 255, 0.44);
  border-radius: 8px;
  background: rgba(30, 139, 255, 0.055);
}

.modal-result h3 {
  margin: 0;
}

.modal-result p {
  margin: 0;
  color: var(--muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

.reveal {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(34px);
  transition:
    opacity 760ms cubic-bezier(0.18, 0.9, 0.18, 1),
    transform 760ms cubic-bezier(0.18, 0.9, 0.18, 1),
    filter 760ms ease;
}

.reveal.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.section.is-active {
  box-shadow: inset 0 1px 0 rgba(30, 139, 255, 0.18);
}

@keyframes loaderPulse {
  0%, 100% {
    filter: drop-shadow(0 0 10px rgba(0, 166, 255, 0.3));
    transform: translateY(0) scale(1);
  }
  50% {
    filter: drop-shadow(0 0 26px rgba(0, 166, 255, 0.72));
    transform: translateY(-2px) scale(1.04);
  }
}

@keyframes loaderLine {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(260%);
  }
}

@keyframes headerIn {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroCopyIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroVisualIn {
  from {
    opacity: 0;
    transform: translateX(26px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes orbitSpin {
  from {
    transform: rotate(22deg);
  }
  to {
    transform: rotate(382deg);
  }
}

@keyframes coreBreath {
  0%, 100% {
    box-shadow:
      0 0 36px rgba(0, 166, 255, 0.48),
      inset 0 0 42px rgba(0, 166, 255, 0.22);
  }
  50% {
    box-shadow:
      0 0 58px rgba(0, 166, 255, 0.72),
      inset 0 0 54px rgba(0, 166, 255, 0.3);
  }
}

@keyframes interactivePulse {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.18);
  }
}

@keyframes sparkPulse {
  0%, 100% {
    opacity: 0.65;
    transform: scale(0.84);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .site-header.is-open .site-nav {
    grid-column: 1 / -1;
    display: grid;
    justify-content: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(2, 7, 13, 0.92);
  }

  .site-header.is-open .site-nav a {
    padding: 12px;
  }

  .hero,
  .problem-grid,
  .system-grid,
  .capabilities-grid,
  .assessment-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-visual {
    min-height: auto;
  }

  .system-chain {
    grid-template-columns: 1fr;
    gap: 14px;
    justify-items: center;
  }

  .chain-line {
    width: 2px;
    height: 28px;
    min-width: 0;
  }

  .method-line,
  .capability-list,
  .problem-nodes,
  .assessment-facts {
    grid-template-columns: 1fr;
  }

  .method-line::before,
  .capability:not(:last-child)::after {
    display: none;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 30px 20px;
  }

  .site-header {
    padding: 20px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .hero-stack {
    font-size: 14px;
  }

  .hero-actions,
  .modal-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .modal-question-shell {
    min-height: auto;
  }

  .orbit-system {
    width: min(100%, 520px);
  }

  .system-node {
    width: 88px;
    min-height: 76px;
    font-size: 11px;
  }

  .node-icon {
    width: 26px;
    height: 26px;
  }

  .result-card {
    padding: 24px 18px;
  }
}