:root {
  --bg: #06100d;
  --bg-deep: #030907;
  --surface: #0a1814;
  --surface-2: #0d1e19;
  --surface-3: #11251e;
  --text: #f4f7f2;
  --text-soft: #d9e0dc;
  --muted: #96a49d;
  --muted-strong: #b3beb8;
  --lime: #c7ff32;
  --lime-soft: #e2ff91;
  --lime-dark: #8fcb00;
  --cyan: #67e8f9;
  --amber: #fbbf24;
  --danger: #fb7185;
  --success: #65e588;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.2);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius-sm: 0.75rem;
  --radius: 1.1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --container: 76rem;
  --header-height: 5rem;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  min-width: 20rem;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% -10%, rgba(199, 255, 50, 0.08), transparent 29rem),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 24rem, var(--bg));
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
  content: "";
  pointer-events: none;
}

body::after {
  position: fixed;
  z-index: -1;
  inset: 0;
  background: radial-gradient(
    24rem circle at var(--pointer-x, 70%) var(--pointer-y, 15%),
    rgba(199, 255, 50, 0.045),
    transparent 70%
  );
  content: "";
  pointer-events: none;
}

::selection {
  background: var(--lime);
  color: #07100d;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

a {
  color: var(--lime-soft);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  color: var(--lime);
}

button {
  color: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--text);
  font-weight: 760;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.98;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.1rem, 4vw, 3.65rem);
}

h3 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

p {
  margin-bottom: 1.25rem;
}

address {
  font-style: normal;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 2rem), 48rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 0.6rem;
  background: var(--lime);
  color: #06100d;
  font-weight: 750;
  transform: translateY(-180%);
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0.32rem rgba(199, 255, 50, 0.08), 0 0 1rem currentColor;
  content: "";
}

.lede {
  max-width: 42rem;
  color: var(--muted-strong);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.65;
}

.subtle {
  color: var(--muted);
}

.mono {
  font-family: var(--font-mono);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition:
    background-color 240ms ease,
    border-color 240ms ease,
    backdrop-filter 240ms ease;
}

.site-header.is-scrolled,
.nav-open .site-header {
  border-color: var(--line);
  background: rgba(3, 9, 7, 0.86);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--text);
  font-size: 1.18rem;
  font-weight: 780;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
}

.brand-mark {
  position: relative;
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border: 1px solid rgba(199, 255, 50, 0.42);
  border-radius: 0.65rem;
  background: rgba(199, 255, 50, 0.08);
  box-shadow: inset 0 0 1rem rgba(199, 255, 50, 0.06);
}

.brand-mark svg {
  width: 1.55rem;
  height: 1.55rem;
  overflow: visible;
}

.brand-mark path {
  fill: none;
  stroke: var(--lime);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
  filter: drop-shadow(0 0 0.35rem rgba(199, 255, 50, 0.65));
}

.brand-labs {
  color: var(--muted);
  font-weight: 600;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.5rem 0.78rem;
  border-radius: 0.65rem;
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  transition:
    color 180ms ease,
    background-color 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 0.8rem;
  bottom: 0.27rem;
  left: 0.8rem;
  height: 1px;
  background: var(--lime);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.2rem;
  height: 1px;
  margin: 0.27rem auto;
  background: var(--text);
  transition:
    transform 200ms ease,
    opacity 200ms ease;
}

.nav-open .menu-toggle span:nth-child(1) {
  transform: translateY(0.28rem) rotate(45deg);
}

.nav-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .menu-toggle span:nth-child(3) {
  transform: translateY(-0.28rem) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  background: var(--lime);
  color: #06100d;
  font-weight: 780;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 0 0 rgba(199, 255, 50, 0);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  background: var(--lime-soft);
  color: #06100d;
  box-shadow: 0 0.8rem 2.4rem rgba(199, 255, 50, 0.16);
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button-secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--text);
}

.button-secondary:hover {
  border-color: rgba(199, 255, 50, 0.5);
  background: rgba(199, 255, 50, 0.06);
  color: var(--text);
}

.button-compact {
  min-height: 2.65rem;
  padding-inline: 0.9rem;
  font-size: 0.88rem;
}

.button-icon {
  font-size: 1.15em;
  transition: transform 180ms ease;
}

.button:hover .button-icon {
  transform: translateX(0.2rem);
}

.button[disabled] {
  cursor: wait;
  opacity: 0.66;
  transform: none;
}

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

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - var(--header-height));
  align-items: center;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 2rem;
  left: 48%;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: rgba(199, 255, 50, 0.045);
  content: "";
  filter: blur(7rem);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(32rem, 1.08fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy .lede {
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  align-items: center;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.87rem;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.trust-item::before {
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0.65rem var(--lime);
  content: "";
}

.hero-panel {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), transparent 38%),
    rgba(7, 19, 15, 0.86);
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.04);
  isolation: isolate;
  overflow: hidden;
}

.hero-panel::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(rgba(199, 255, 50, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 255, 50, 0.028) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  content: "";
}

.hero-panel::after {
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: -35%;
  width: 22%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(199, 255, 50, 0.055),
    transparent
  );
  content: "";
  transform: skewX(-14deg);
  animation: scan-panel 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes scan-panel {
  0%,
  18% {
    left: -35%;
  }
  70%,
  100% {
    left: 120%;
  }
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.35rem 0.75rem;
}

.panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.2);
  color: var(--muted-strong);
  font-size: 0.72rem;
  font-weight: 700;
}

.status-dot {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0.7rem var(--lime);
  animation: status-pulse 2s ease-out infinite;
}

@keyframes status-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(199, 255, 50, 0.45);
  }
  70%,
  100% {
    box-shadow: 0 0 0 0.65rem rgba(199, 255, 50, 0);
  }
}

.signal-chart {
  width: 100%;
  height: auto;
  padding-inline: 0.4rem;
}

.signal-chart .grid-line {
  stroke: rgba(255, 255, 255, 0.07);
  stroke-width: 1;
}

.signal-chart .area {
  fill: url("#chart-fill");
  opacity: 0.56;
}

.signal-chart .line {
  fill: none;
  stroke: var(--lime);
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  filter: drop-shadow(0 0 0.42rem rgba(199, 255, 50, 0.75));
  animation: chart-draw 1.65s 250ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

.signal-chart .chart-dot {
  fill: var(--lime);
  filter: drop-shadow(0 0 0.5rem var(--lime));
  transform-box: fill-box;
  transform-origin: center;
  animation: dot-pulse 1.8s ease-in-out infinite;
}

@keyframes chart-draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes dot-pulse {
  50% {
    opacity: 0.55;
    transform: scale(1.7);
  }
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 0 1.1rem 1.1rem;
}

.target-card {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(3, 9, 7, 0.52);
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    background-color 180ms ease;
}

.target-card:hover {
  border-color: rgba(199, 255, 50, 0.3);
  background: rgba(199, 255, 50, 0.035);
  transform: translateY(-3px);
}

.target-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.target-value {
  display: block;
  margin-bottom: 0.22rem;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.5vw, 1.9rem);
  font-weight: 780;
  letter-spacing: -0.06em;
}

.target-note {
  color: var(--muted);
  font-size: 0.7rem;
}

.panel-footnote {
  padding: 0 1.35rem 1.2rem;
  color: var(--muted);
  font-size: 0.74rem;
}

.panel-footnote a {
  color: var(--muted-strong);
}

.quick-test {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  max-width: 40rem;
  margin-top: 2rem;
  padding: 0.42rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.03);
}

.quick-test:focus-within {
  border-color: rgba(199, 255, 50, 0.6);
  box-shadow: 0 0 0 3px rgba(199, 255, 50, 0.1);
}

.quick-test input {
  min-width: 0;
  padding: 0.75rem 0.9rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.quick-test input::placeholder {
  color: #68766f;
}

.form-helper {
  max-width: 40rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.space-top {
  margin-top: 1rem;
}

.section {
  position: relative;
  padding: clamp(5rem, 9vw, 8.5rem) 0;
}

.section-border {
  border-top: 1px solid var(--line);
}

.section-muted {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 50%),
    rgba(3, 9, 7, 0.22);
}

.section-header {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-header > div:first-child {
  max-width: 47rem;
}

.section-header .lede {
  margin-bottom: 0;
}

.section-kicker {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.036), transparent 40%),
    var(--surface);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
  overflow: hidden;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease;
}

.card::after {
  position: absolute;
  right: -2rem;
  bottom: -4rem;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background: rgba(199, 255, 50, 0.035);
  content: "";
  filter: blur(1.5rem);
}

.card:hover {
  border-color: rgba(199, 255, 50, 0.24);
  transform: translateY(-0.3rem);
}

.card p:last-child {
  margin-bottom: 0;
}

.card-number,
.card-icon {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  margin-bottom: 1.5rem;
  place-items: center;
  border: 1px solid rgba(199, 255, 50, 0.24);
  border-radius: 0.75rem;
  background: rgba(199, 255, 50, 0.065);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.card-tag {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.32rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-strong);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card-list {
  margin: 1.25rem 0 0;
  padding: 0;
  color: var(--muted-strong);
  list-style: none;
}

.card-list li {
  position: relative;
  margin-top: 0.6rem;
  padding-left: 1.1rem;
}

.card-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.35rem;
  height: 1px;
  background: var(--lime);
  content: "";
}

.signal-strip {
  border-block: 1px solid var(--line);
  background: #050c0a;
  overflow: hidden;
}

.signal-strip-track {
  display: flex;
  width: max-content;
  min-width: 100%;
  align-items: center;
  justify-content: space-around;
  gap: 3rem;
  padding: 1rem 0;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-strip-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
}

.signal-strip-item::before {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--lime);
  content: "";
  box-shadow: 0 0 0.6rem var(--lime);
}

.feature-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.sticky-copy {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.principle-list {
  display: grid;
  gap: 0.8rem;
}

.principle {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.018);
}

.principle-index {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.principle h3 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.fit-shell {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0, rgba(199, 255, 50, 0.07), transparent 30rem),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.fit-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 9, 7, 0.28);
}

.fit-progress {
  appearance: none;
  width: min(15rem, 45vw);
  height: 0.34rem;
  border: 0;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.fit-progress::-webkit-progress-bar {
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.08);
}

.fit-progress::-webkit-progress-value {
  border-radius: inherit;
  background: var(--lime);
  box-shadow: 0 0 0.7rem rgba(199, 255, 50, 0.5);
  transition: width 320ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.fit-progress::-moz-progress-bar {
  border-radius: inherit;
  background: var(--lime);
  box-shadow: 0 0 0.7rem rgba(199, 255, 50, 0.5);
}

.fit-step-label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.fit-form {
  padding: clamp(1.4rem, 4vw, 3rem);
}

.fit-step {
  border: 0;
  margin: 0;
  padding: 0;
}

.fit-step[hidden] {
  display: none;
}

.fit-step legend {
  max-width: 32rem;
  margin-bottom: 1.6rem;
  padding: 0;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-weight: 760;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.choice label {
  display: flex;
  min-height: 5.2rem;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-soft);
  font-weight: 650;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.choice label::before {
  width: 0.8rem;
  height: 0.8rem;
  flex: 0 0 auto;
  border: 2px solid var(--muted);
  border-radius: 50%;
  content: "";
}

.choice label:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
  transform: translateY(-2px);
}

.choice input:checked + label {
  border-color: rgba(199, 255, 50, 0.58);
  background: rgba(199, 255, 50, 0.07);
  color: var(--text);
}

.choice input:checked + label::before {
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: inset 0 0 0 2px var(--surface), 0 0 0.8rem rgba(199, 255, 50, 0.4);
}

.choice input:focus-visible + label {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.fit-controls {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.fit-error {
  min-height: 1.5rem;
  margin: 0.8rem 0 0;
  color: var(--danger);
  font-size: 0.86rem;
}

.fit-result {
  display: none;
  padding: clamp(1.4rem, 4vw, 3rem);
}

.fit-result.is-visible {
  display: block;
  animation: result-enter 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes result-enter {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
}

.result-badge {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid rgba(199, 255, 50, 0.3);
  border-radius: 999px;
  background: rgba(199, 255, 50, 0.06);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.result-column {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.result-column h4 {
  margin-bottom: 0.6rem;
  font-size: 0.86rem;
  letter-spacing: 0;
}

.result-column p,
.result-column ul {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.result-column ul {
  padding-left: 1rem;
}

.page-hero {
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(4rem, 7vw, 6rem);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 15ch;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.breadcrumbs a {
  color: var(--muted-strong);
}

.breadcrumbs span[aria-current] {
  color: var(--lime);
}

.test-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
  gap: 1rem;
  align-items: start;
}

.test-card {
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.field-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.text-field {
  width: 100%;
  min-height: 3.4rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.75rem;
  outline: 0;
  background: #07130f;
  color: var(--text);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.text-field:focus {
  border-color: rgba(199, 255, 50, 0.58);
  box-shadow: 0 0 0 3px rgba(199, 255, 50, 0.1);
}

.text-field::placeholder {
  color: #6f7e76;
}

.test-form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
}

.strategy-toggle {
  display: flex;
  gap: 0.45rem;
  margin: 1rem 0;
}

.strategy-toggle label {
  position: relative;
}

.strategy-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.strategy-toggle span {
  display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  color: var(--muted-strong);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
}

.strategy-toggle input:checked + span {
  border-color: rgba(199, 255, 50, 0.4);
  background: rgba(199, 255, 50, 0.08);
  color: var(--lime-soft);
}

.strategy-toggle input:focus-visible + span {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.notice {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted-strong);
  font-size: 0.86rem;
}

.notice strong {
  color: var(--text);
}

.notice-warning {
  border-color: rgba(251, 191, 36, 0.2);
  background: rgba(251, 191, 36, 0.04);
}

.test-status {
  display: none;
  min-height: 16rem;
  place-items: center;
  padding: 2rem;
  text-align: center;
}

.test-status.is-visible {
  display: grid;
}

.loader-orbit {
  position: relative;
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.5rem;
  border: 1px solid rgba(199, 255, 50, 0.18);
  border-radius: 50%;
}

.loader-orbit::before,
.loader-orbit::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.loader-orbit::before {
  inset: 0.45rem;
  border: 2px solid transparent;
  border-top-color: var(--lime);
  animation: spin 1.1s linear infinite;
}

.loader-orbit::after {
  top: 50%;
  left: 50%;
  width: 0.65rem;
  height: 0.65rem;
  background: var(--lime);
  box-shadow: 0 0 1rem var(--lime);
  transform: translate(-50%, -50%);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.test-results {
  display: none;
  margin-top: 1rem;
}

.test-results.is-visible {
  display: block;
  animation: result-enter 420ms ease both;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.score-card {
  display: grid;
  min-height: 10rem;
  place-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.score-ring {
  --score: 0;
  --score-color: var(--lime);
  position: relative;
  display: grid;
  width: 5.4rem;
  height: 5.4rem;
  margin-bottom: 0.65rem;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--surface) 61%, transparent 63%),
    conic-gradient(var(--score-color) calc(var(--score) * 1%), rgba(255, 255, 255, 0.08) 0);
}

.score-value {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 780;
}

.score-label {
  color: var(--muted-strong);
  font-size: 0.76rem;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.metric {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.018);
}

.metric-name {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 750;
}

.recommendations {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.recommendation {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.recommendation strong {
  display: block;
  margin-bottom: 0.3rem;
}

.recommendation span {
  color: var(--muted);
  font-size: 0.88rem;
}

.error-panel {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(251, 113, 133, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(251, 113, 133, 0.055);
  color: #fecdd3;
}

.error-panel.is-visible {
  display: block;
}

.threshold-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.threshold-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.threshold-list li:last-child {
  border-bottom: 0;
}

.threshold-list span {
  color: var(--muted);
  font-size: 0.86rem;
}

.threshold-list strong {
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.comparison-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  min-width: 46rem;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.comparison-table td:first-child {
  color: var(--text);
  font-weight: 750;
}

.comparison-table td {
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.checklist {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--muted-strong);
}

.checklist li::before {
  position: absolute;
  top: 0.25em;
  left: 0;
  display: grid;
  width: 1.1rem;
  height: 1.1rem;
  place-items: center;
  border: 1px solid rgba(199, 255, 50, 0.35);
  border-radius: 50%;
  color: var(--lime);
  font-size: 0.72rem;
  content: "✓";
}

.faq-list {
  display: grid;
  gap: 0.7rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.018);
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  padding: 1.25rem 3.5rem 1.25rem 1.25rem;
  font-weight: 720;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 1.25rem;
  color: var(--lime);
  font-size: 1.25rem;
  content: "+";
  transform: translateY(-50%);
  transition: transform 180ms ease;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  max-width: 55rem;
  padding: 0 1.25rem 1.25rem;
  color: var(--muted);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.cta-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid rgba(199, 255, 50, 0.24);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0, rgba(199, 255, 50, 0.12), transparent 25rem),
    var(--surface);
  overflow: hidden;
}

.cta-panel h2 {
  max-width: 17ch;
  margin-bottom: 0.8rem;
}

.cta-panel p {
  max-width: 42rem;
  margin-bottom: 0;
  color: var(--muted-strong);
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15rem;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.legal-content {
  max-width: 48rem;
}

.legal-content h2 {
  margin-top: 3.2rem;
  font-size: 1.75rem;
}

.legal-content h3 {
  margin-top: 2rem;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}

.legal-content p,
.legal-content li {
  color: var(--muted-strong);
}

.legal-content li + li {
  margin-top: 0.5rem;
}

.legal-content strong {
  color: var(--text);
}

.legal-meta {
  margin-bottom: 2rem;
  padding: 1rem;
  border-left: 2px solid var(--lime);
  background: rgba(199, 255, 50, 0.035);
  color: var(--muted-strong);
  font-size: 0.88rem;
}

.legal-nav {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.legal-nav strong {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legal-nav a {
  display: block;
  padding: 0.35rem 0;
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.legal-nav a:hover {
  color: var(--lime);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.contact-card {
  min-height: 13rem;
}

.contact-card a {
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
  background: #030907;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 1.5fr) repeat(3, minmax(9rem, 0.65fr));
  gap: 2rem;
}

.footer-intro {
  max-width: 30rem;
}

.footer-intro p {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-heading {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--text);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 0.45rem;
}

.footer-links a,
.footer-links address,
.footer-links span {
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--lime);
}

.footer-bottom {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.footer-bottom p {
  margin: 0;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(1.4rem);
  transition:
    opacity 620ms cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 620ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

.js .stagger > * {
  transition-delay: calc(var(--stagger-index, 0) * 75ms);
}

.no-js-note {
  display: block;
  padding: 0.75rem 1rem;
  background: #3a2c03;
  color: #fef3c7;
  text-align: center;
}

.js .no-js-note {
  display: none;
}

.error-page {
  display: grid;
  min-height: calc(100svh - var(--header-height));
  place-items: center;
  padding: 4rem 0;
  text-align: center;
}

.error-code {
  margin-bottom: 1rem;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: clamp(5rem, 18vw, 11rem);
  font-weight: 800;
  letter-spacing: -0.09em;
  line-height: 0.8;
  text-shadow: 0 0 3rem rgba(199, 255, 50, 0.2);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  border: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
}

@media (max-width: 68rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(27rem, 0.95fr);
    gap: 2.5rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: minmax(16rem, 1.4fr) repeat(2, minmax(9rem, 0.7fr));
  }
}

@media (max-width: 56rem) {
  :root {
    --header-height: 4.5rem;
  }

  .menu-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .site-nav {
    position: fixed;
    z-index: 90;
    top: var(--header-height);
    right: 0;
    left: 0;
    padding: 0.75rem 1rem 1rem;
    border-bottom: 1px solid var(--line);
    background: rgba(3, 9, 7, 0.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.6rem);
    visibility: hidden;
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      visibility 180ms ease;
  }

  .nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .nav-list {
    display: grid;
  }

  .nav-link {
    min-height: 3.1rem;
    padding-inline: 1rem;
  }

  .hero {
    min-height: auto;
    padding-top: 4.5rem;
  }

  .hero-grid,
  .feature-layout,
  .test-layout,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 46rem;
  }

  .sticky-copy,
  .legal-nav {
    position: static;
  }

  .section-header {
    display: block;
  }

  .section-header .button {
    margin-top: 1.5rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-columns,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-intro {
    grid-column: 1 / -1;
  }
}

@media (max-width: 40rem) {
  h1 {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .container,
  .narrow {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .brand {
    gap: 0.55rem;
    font-size: 1.02rem;
  }

  .brand-mark {
    width: 1.95rem;
    height: 1.95rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .quick-test,
  .test-form-row {
    grid-template-columns: 1fr;
  }

  .quick-test .button,
  .test-form-row .button {
    width: 100%;
  }

  .target-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .choice-grid,
  .metric-grid,
  .result-summary {
    grid-template-columns: 1fr;
  }

  .target-grid {
    gap: 0.55rem;
  }

  .target-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .target-card .target-label {
    grid-column: 1 / -1;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .fit-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .fit-progress {
    width: 100%;
  }

  .fit-controls .button {
    flex: 1;
  }

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

  .footer-intro {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@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;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (forced-colors: active) {
  .eyebrow::before,
  .trust-item::before,
  .status-dot {
    forced-color-adjust: none;
  }

  .button,
  .choice input:checked + label {
    border: 2px solid ButtonText;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  body::before,
  body::after,
  .site-header,
  .site-footer,
  .legal-nav,
  .button,
  .hero-panel {
    display: none !important;
  }

  .page-hero,
  .section {
    padding: 1.5rem 0;
    border: 0;
  }

  .legal-content p,
  .legal-content li,
  .subtle {
    color: #222;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  a {
    color: #000;
  }
}