:root {
  --paper: #f2efe7;
  --paper-deep: #e8e2d6;
  --paper-card: #fbfaf6;
  --ink: #111417;
  --ink-soft: #20252a;
  --muted: #5e645f;
  --muted-light: #aab1aa;
  --line: rgba(17, 20, 23, 0.16);
  --line-light: rgba(242, 239, 231, 0.18);
  --blue: #1f47ff;
  --blue-soft: #dfe5ff;
  --acid: #d8ff5f;
  --white: #fbfaf6;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: "Helvetica Neue", "Segoe UI", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shell: min(1200px, calc(100% - 64px));
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::selection { background: var(--blue); color: var(--white); }
::selection { background: var(--blue); color: var(--white); }

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
svg { display: block; max-width: 100%; }
img { max-width: 100%; }

h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }

[hidden] { display: none !important; }

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

.mono {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  font: 12px/1 var(--mono);
  transform: translateY(-160%);
  transition: transform 0.2s;
}
.skip-link:focus { transform: translateY(0); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(242, 239, 231, 0.92);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 0.25s, background 0.25s;
}
.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(242, 239, 231, 0.97);
  background: color-mix(in srgb, var(--paper) 95%, transparent);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: max-content;
}
.brand-mark svg { width: 28px; height: 28px; }
.brand-mark rect { fill: var(--ink); }
.brand-mark path {
  fill: none;
  stroke: var(--paper);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand-word {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand-by {
  margin-left: 5px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font: 10px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 32px);
  font-size: 13px;
}
.nav > a:not(.nav-cta) {
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav > a:not(.nav-cta):hover,
.nav > a:not(.nav-cta):focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  font: 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--blue);
  transform: translateY(-1px);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--line);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(17, 20, 23, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17, 20, 23, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 92%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 92%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
  padding: clamp(64px, 9vw, 112px) 0 clamp(56px, 8vw, 88px);
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex: none;
}
.hero h1 {
  margin: 26px 0 26px;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 6.2vw, 6.4rem);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.055em;
}
.hero h1 span { display: block; }
.hero h1 em {
  color: var(--blue);
  font-style: italic;
  letter-spacing: -0.065em;
}
.hero-lead {
  max-width: 54ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.15vw, 1.12rem);
  line-height: 1.68;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 11px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}
.btn:hover,
.btn:focus-visible { transform: translateY(-2px); }
.btn--ink {
  background: var(--ink);
  color: var(--white);
}
.btn--ink:hover,
.btn--ink:focus-visible { background: var(--blue); border-color: var(--blue); }
.btn--acid {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--ink);
}
.btn--acid:hover,
.btn--acid:focus-visible { background: var(--white); border-color: var(--white); }
.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  transform: none;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  transition: color 0.2s, border-color 0.2s;
}
.text-link:hover,
.text-link:focus-visible { color: var(--ink); border-color: var(--ink); }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.hero-meta strong {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-right: 4px;
  text-transform: none;
}
.hero-foot {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

/* ---------- score card ---------- */
.score-card {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  padding: 18px 20px 14px;
  background: var(--paper-card);
  background: color-mix(in srgb, var(--paper-card) 94%, transparent);
  border: 1px solid var(--ink);
  box-shadow: 10px 12px 0 rgba(17, 20, 23, 0.07);
}
.score-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 58px;
  height: 3px;
  background: var(--blue);
}
.score-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.score-main {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px 0 18px;
}
.score-ring {
  position: relative;
  width: 128px;
  height: 128px;
  flex: none;
}
.score-ring svg { width: 100%; height: 100%; }
.score-ring circle {
  fill: none;
  stroke-width: 3;
}
.score-ring .ring-bg { stroke: rgba(17, 20, 23, 0.13); }
.score-ring .ring-value {
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-dasharray: 326.7;
  stroke-dashoffset: 117.6;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}
.score-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.score-number strong {
  align-self: center;
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1;
}
.score-number span {
  align-self: center;
  color: var(--muted);
  font: 9px/1 var(--mono);
}
.score-copy { min-width: 0; }
.score-level {
  color: var(--blue);
  font: 10px/1.3 var(--mono);
  letter-spacing: 0.08em;
}
.score-copy p:last-child {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}
.score-dims {
  padding: 16px 0 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.score-dim {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font: 9px/1.4 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.score-dim span { color: var(--muted); }
.score-dim i {
  display: block;
  height: 3px;
  background: rgba(17, 20, 23, 0.11);
  overflow: hidden;
}
.score-dim b {
  display: block;
  width: var(--value);
  height: 100%;
  background: var(--ink);
}
.score-dim em { color: var(--ink); font-style: normal; text-align: right; }
.score-card-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  color: var(--muted);
}

/* ---------- statement ---------- */
.statement {
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
}
.statement-grid {
  display: grid;
  grid-template-columns: 0.46fr minmax(0, 1.54fr);
  gap: clamp(30px, 6vw, 80px);
  padding: clamp(58px, 8vw, 104px) 0;
}
.statement h2 {
  max-width: 20ch;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.4vw, 4.35rem);
  font-weight: 400;
  line-height: 1.03;
  letter-spacing: -0.045em;
}
.statement-lead {
  max-width: 62ch;
  margin-top: 26px;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.15vw, 1.1rem);
  line-height: 1.7;
}

/* ---------- sections ---------- */
.section { padding: clamp(78px, 11vw, 148px) 0; }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
  padding-bottom: clamp(34px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
}
.section-index {
  grid-row: span 2;
  color: var(--muted);
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.section-head h2 {
  max-width: 18ch;
  font-family: var(--serif);
  font-size: clamp(2.3rem, 5vw, 5rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.section-lead {
  max-width: 48ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.section-head--light { border-color: var(--line-light); }
.section-head--light .section-index,
.section-head--light .section-lead { color: var(--muted-light); }
.section-head--light h2 { color: var(--paper); }

/* ---------- method ---------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}
.method-item {
  min-height: 240px;
  padding: 28px 28px 20px 0;
  border-right: 1px solid var(--line);
}
.method-item + .method-item { padding-left: 28px; }
.method-item:last-child { border-right: 0; }
.method-no {
  color: var(--blue);
  font: 10px/1 var(--mono);
  letter-spacing: 0.1em;
}
.method-item h3 {
  margin: 32px 0 14px;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.2vw, 2.1rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
}
.method-item p {
  max-width: 32ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- products ---------- */
.products {
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.product-card {
  display: flex;
  flex-direction: column;
  min-height: 386px;
  padding: 22px 22px 20px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}
.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--ink);
  box-shadow: 8px 10px 0 rgba(17, 20, 23, 0.06);
}
.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.product-no { color: var(--muted); font: 10px/1 var(--mono); }
.product-tag {
  padding: 5px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font: 9px/1 var(--mono);
  letter-spacing: 0.08em;
}
.product-card h3 {
  margin-top: 24px;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 2.6vw, 2.55rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
}
.product-outcome {
  margin-top: 7px;
  color: var(--blue);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.product-card > p:not(.product-outcome) {
  margin-top: 17px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.product-list {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}
.product-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
}
.product-list li::before {
  content: "—";
  margin-right: 8px;
  color: var(--muted);
}
.product-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  color: var(--ink);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-top: 1px solid transparent;
}
.product-link:hover,
.product-link:focus-visible { color: var(--blue); }
.product-note {
  margin-top: 26px;
  color: var(--muted);
  font: 10px/1.6 var(--mono);
  letter-spacing: 0.04em;
}

/* ---------- scan ---------- */
.scan {
  background: var(--ink);
  color: var(--paper);
}
.scan-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.66fr) minmax(0, 1.34fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: start;
  padding-top: clamp(36px, 5vw, 56px);
}
.scan-aside {
  position: sticky;
  top: 112px;
  padding-right: 16px;
}
.scan-kicker {
  color: var(--acid);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.scan-aside h3 {
  max-width: 10ch;
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.6vw, 3.7rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.scan-aside > p:not(.scan-kicker):not(.scan-privacy) {
  max-width: 38ch;
  margin-top: 22px;
  color: var(--muted-light);
  font-size: 13px;
  line-height: 1.7;
}
.scan-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}
.scan-facts li { padding: 14px 10px 14px 0; }
.scan-facts strong {
  display: block;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.04em;
}
.scan-facts span {
  display: block;
  margin-top: 2px;
  color: var(--muted-light);
  font: 8px/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.scan-privacy {
  margin-top: 18px;
  color: var(--muted-light);
  font: 9px/1.6 var(--mono);
  letter-spacing: 0.04em;
}
.scan-panel {
  min-height: 530px;
  padding: 18px 24px 22px;
  background: #171b20;
  border: 1px solid rgba(242, 239, 231, 0.2);
}
.scan-panel-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-light);
}
.scan-panel .muted { color: var(--muted-light); }
.scan-start { padding: clamp(30px, 5vw, 54px) 0 18px; }
.scan-start h3 {
  max-width: 14ch;
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}
.scan-start > p:not(.scan-kicker):not(.scan-note) {
  max-width: 45ch;
  margin-top: 20px;
  color: var(--muted-light);
  font-size: 13px;
  line-height: 1.7;
}
.scan-start .btn { margin-top: 30px; }
.scan-note {
  margin-top: 16px;
  color: var(--muted-light);
  font: 9px/1.5 var(--mono);
  letter-spacing: 0.03em;
}
.scan-progress {
  height: 2px;
  margin: 0 0 6px;
  background: rgba(242, 239, 231, 0.14);
  overflow: hidden;
}
.scan-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--acid);
  transition: width 0.4s var(--ease);
}
.question-host { min-height: 338px; padding: 26px 0 12px; }
.question-dim {
  color: var(--acid);
  font: 9px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.question-host fieldset {
  margin: 14px 0 0;
  padding: 0;
  border: 0;
}
.question-host legend {
  max-width: 24ch;
  padding: 0;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.35vw, 2.35rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 24px;
}
.option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 64px;
  padding: 12px 12px 12px 11px;
  border: 1px solid rgba(242, 239, 231, 0.18);
  color: var(--muted-light);
  font-size: 12px;
  line-height: 1.45;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.option:hover { border-color: rgba(242, 239, 231, 0.5); color: var(--paper); }
.option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.option-mark {
  width: 13px;
  height: 13px;
  margin-top: 1px;
  border: 1px solid rgba(242, 239, 231, 0.45);
  border-radius: 50%;
  flex: none;
  position: relative;
}
.option-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: transparent;
}
.option:has(input:checked),
.option.is-selected {
  border-color: var(--acid);
  background: rgba(216, 255, 95, 0.08);
  color: var(--paper);
}
.option:has(input:checked) .option-mark,
.option.is-selected .option-mark { border-color: var(--acid); }
.option:has(input:checked) .option-mark::after,
.option.is-selected .option-mark::after { background: var(--acid); }
.option:focus-within {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}
.scan-error {
  margin: 4px 0 0;
  color: #ffb4a8;
  font: 11px/1.4 var(--mono);
}
.scan-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
}
.scan-back {
  padding: 10px 0;
  border: 0;
  background: transparent;
  color: var(--muted-light);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.06em;
}
.scan-back:hover,
.scan-back:focus-visible { color: var(--paper); }
.scan-back:disabled { opacity: 0.35; cursor: default; }
.scan-noscript {
  padding: 20px 0 6px;
  color: var(--muted-light);
  font-size: 13px;
  line-height: 1.7;
}
.scan-noscript a { color: var(--acid); text-decoration: underline; }

/* ---------- scan result ---------- */
.scan-result { padding-top: 4px; }
.result-head { padding: 24px 0 22px; border-bottom: 1px solid var(--line-light); }
.result-head h3 {
  margin-top: 10px;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(2rem, 3.4vw, 3.25rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.result-head > p:last-child {
  max-width: 48ch;
  margin-top: 14px;
  color: var(--muted-light);
  font-size: 13px;
  line-height: 1.65;
}
.result-overview {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-light);
}
.result-ring {
  position: relative;
  width: 150px;
  height: 150px;
  flex: none;
}
.result-ring svg { width: 100%; height: 100%; }
.result-ring circle { fill: none; stroke-width: 3; }
.result-ring .ring-bg { stroke: rgba(242, 239, 231, 0.14); }
.result-ring .ring-value {
  stroke: var(--acid);
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}
.result-ring .result-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.result-ring .result-number strong {
  align-self: center;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.06em;
}
.result-ring .result-number span {
  align-self: center;
  color: var(--muted-light);
  font: 9px/1 var(--mono);
}
.result-overview-copy .mono { color: var(--acid); }
.result-overview-copy p {
  margin-top: 9px;
  color: var(--muted-light);
  font-size: 12px;
  line-height: 1.6;
}
.result-dims { display: grid; gap: 8px; }
.result-dim {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 10px;
  color: var(--muted-light);
  font: 9px/1.4 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.result-dim i {
  display: block;
  height: 3px;
  background: rgba(242, 239, 231, 0.12);
  overflow: hidden;
}
.result-dim b {
  display: block;
  width: var(--value);
  height: 100%;
  background: var(--paper);
}
.result-dim em { color: var(--paper); font-style: normal; text-align: right; }
.result-priorities { padding: 22px 0 20px; }
.result-priorities h4 {
  color: var(--acid);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.result-priorities ol {
  margin-top: 14px;
  counter-reset: priority;
}
.result-priorities li {
  counter-increment: priority;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--line-light);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.55;
}
.result-priorities li::before {
  content: "0" counter(priority);
  color: var(--muted-light);
  font: 9px/1.6 var(--mono);
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
}
.result-actions .text-link { color: var(--muted-light); border-color: var(--line-light); }
.result-actions .text-link:hover,
.result-actions .text-link:focus-visible { color: var(--paper); border-color: var(--paper); }
.result-note {
  margin-top: 16px;
  color: var(--muted-light);
  font: 9px/1.5 var(--mono);
  letter-spacing: 0.02em;
}

/* ---------- output ---------- */
.output { background: var(--paper); }
.output-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: center;
}
.output-copy h2 {
  max-width: 18ch;
  margin-top: 20px;
  font-family: var(--serif);
  font-size: clamp(2.3rem, 4.6vw, 4.6rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.output-copy > p:not(.section-index):not(.output-note) {
  max-width: 48ch;
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.output-list {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}
.output-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
}
.output-list li::before {
  content: "↳";
  margin-right: 9px;
  color: var(--blue);
  font-family: var(--mono);
}
.output-note {
  margin-top: 22px;
  color: var(--muted);
  font: 10px/1.6 var(--mono);
  letter-spacing: 0.02em;
}
.report-mock {
  max-width: 520px;
  margin-left: auto;
  padding: 20px 22px 16px;
  background: var(--paper-card);
  border: 1px solid var(--ink);
  box-shadow: 12px 14px 0 rgba(17, 20, 23, 0.07);
  transform: rotate(1.2deg);
}
.report-top,
.report-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}
.report-top { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.report-score {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
  padding: 24px 0 18px;
  border-bottom: 1px solid var(--line);
}
.report-score strong {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.07em;
}
.report-score span { color: var(--muted); font: 10px/1 var(--mono); }
.report-score em {
  margin-left: auto;
  color: var(--blue);
  font: 9px/1.4 var(--mono);
  font-style: normal;
  letter-spacing: 0.06em;
}
.report-bars {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.report-bar {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 4px 0;
  color: var(--muted);
  font: 8px/1.4 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.report-bar i {
  display: block;
  height: 2px;
  background: rgba(17, 20, 23, 0.12);
}
.report-bar b {
  display: block;
  width: var(--value);
  height: 100%;
  background: var(--ink);
}
.report-priorities { padding: 14px 0 8px; }
.report-priorities .mono { color: var(--muted); }
.report-priorities ol {
  margin-top: 8px;
  counter-reset: report;
}
.report-priorities li {
  counter-increment: report;
  padding: 5px 0 5px 22px;
  position: relative;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
}
.report-priorities li::before {
  content: "0" counter(report);
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--muted);
  font: 8px/1 var(--mono);
}
.report-foot { padding-top: 12px; border-top: 1px solid var(--line); }

/* ---------- company ---------- */
.company {
  background: var(--blue);
  color: var(--white);
  padding: clamp(64px, 9vw, 112px) 0;
}
.company .eyebrow { color: rgba(251, 250, 246, 0.86); }
.company .dot { background: var(--acid); }
.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(36px, 7vw, 90px);
  align-items: start;
}
.company h2 {
  max-width: 15ch;
  margin-top: 20px;
  color: var(--white);
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 5rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.company h2 em { color: var(--acid); font-style: italic; }
.company-copy p {
  max-width: 45ch;
  color: rgba(251, 250, 246, 0.9);
  font-size: 14px;
  line-height: 1.7;
}
.company-copy p + p { margin-top: 16px; }
.company-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding-bottom: 4px;
  color: var(--white);
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  letter-spacing: -0.03em;
  border-bottom: 1px solid rgba(251, 250, 246, 0.5);
}
.company-link:hover,
.company-link:focus-visible { color: var(--acid); border-color: var(--acid); }
.company-meta {
  margin-top: 18px;
  color: rgba(251, 250, 246, 0.82);
  font: 9px/1.5 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- footer ---------- */
.site-footer {
  background: #0e1114;
  color: var(--paper);
  padding: 34px 0 22px;
}
.footer-top {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(242, 239, 231, 0.16);
}
.brand--footer .brand-mark rect { fill: var(--paper); }
.brand--footer .brand-mark path { stroke: var(--ink); }
.brand--footer .brand-word { color: var(--paper); }
.footer-line {
  color: var(--muted-light);
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.02em;
}
.footer-nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
  color: var(--muted-light);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-nav a:hover,
.footer-nav a:focus-visible { color: var(--paper); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 16px;
  color: rgba(242, 239, 231, 0.58);
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.03em;
}

/* ---------- reveal ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- focus ---------- */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}
.scan :focus-visible { outline-color: var(--acid); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  :root { --shell: min(1200px, calc(100% - 48px)); }
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr); gap: 44px; }
  .hero h1 { font-size: clamp(3.4rem, 7.2vw, 5.9rem); }
  .score-main { gap: 14px; }
  .score-ring { width: 108px; height: 108px; }
  .score-number strong { font-size: 34px; }
  .score-copy p:last-child { font-size: 11px; }
  .score-dim { grid-template-columns: 62px minmax(0, 1fr) 24px; }
  .statement-grid { grid-template-columns: 0.4fr minmax(0, 1.6fr); }
  .section-head { grid-template-columns: 0.42fr minmax(0, 1.58fr); }
  .output-grid { gap: 44px; }
  .company-grid { gap: 44px; }
}

@media (max-width: 900px) {
  .nav > a:not(.nav-cta):not(.lang-switch) { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero h1 { max-width: 12ch; }
  .score-card { max-width: 480px; }
  .statement-grid,
  .section-head,
  .company-grid { grid-template-columns: 1fr; }
  .section-index { grid-row: auto; }
  .statement h2 { max-width: 24ch; }
  .method-grid { grid-template-columns: 1fr; }
  .method-item,
  .method-item + .method-item {
    min-height: 0;
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .method-item:last-child { border-bottom: 0; }
  .method-item h3 { margin-top: 18px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 0; }
  .scan-grid { grid-template-columns: 1fr; }
  .scan-aside { position: static; padding-right: 0; }
  .scan-aside h3 { max-width: 14ch; }
  .output-grid { grid-template-columns: 1fr; }
  .report-mock { max-width: 560px; margin: 30px 0 0; }
  .company-grid { gap: 30px; }
  .company h2 { max-width: 18ch; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 32px); }
  html { scroll-padding-top: 78px; }
  .header-inner { min-height: 68px; }
  .brand-by { display: none; }
  .nav { gap: 10px; }
  .nav-cta { padding: 9px 11px; font-size: 9px; }
  .hero-grid { padding: 48px 0 42px; }
  .hero h1 { font-size: clamp(2.85rem, 12.3vw, 4.2rem); }
  .hero-lead { font-size: 0.98rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; margin-top: 26px; }
  .hero-meta { gap: 10px 18px; margin-top: 32px; }
  .hero-meta strong { font-size: 17px; }
  .hero-foot { flex-direction: column; gap: 6px; }
  .score-card { padding: 16px 16px 12px; box-shadow: 7px 8px 0 rgba(17, 20, 23, 0.07); }
  .score-main { align-items: flex-start; }
  .score-ring { width: 96px; height: 96px; }
  .score-number strong { font-size: 31px; }
  .score-copy p:last-child { font-size: 10px; }
  .score-dim { grid-template-columns: 56px minmax(0, 1fr) 22px; gap: 7px; font-size: 8px; }
  .statement h2 { font-size: clamp(2rem, 9vw, 2.9rem); }
  .statement-lead { font-size: 0.94rem; }
  .section { padding: 64px 0; }
  .section-head { gap: 14px; padding-bottom: 28px; }
  .section-head h2 { font-size: clamp(2.1rem, 10vw, 3rem); }
  .section-lead { font-size: 13px; }
  .product-card { padding: 18px; }
  .product-top { padding-bottom: 18px; }
  .product-card h3 { margin-top: 18px; }
  .scan-panel { padding: 14px 14px 16px; min-height: 0; }
  .scan-start { padding: 28px 0 10px; }
  .scan-start h3 { font-size: clamp(1.9rem, 9vw, 2.5rem); }
  .question-host { min-height: 0; padding: 22px 0 10px; }
  .question-host legend { font-size: clamp(1.45rem, 6.7vw, 2rem); }
  .options { grid-template-columns: 1fr; gap: 7px; margin-top: 18px; }
  .option { min-height: 0; padding: 11px 10px; }
  .scan-controls { padding-top: 14px; }
  .scan-result .result-overview { grid-template-columns: 1fr; gap: 16px; }
  .result-ring { width: 120px; height: 120px; }
  .result-ring .result-number strong { font-size: 40px; }
  .result-actions { flex-direction: column; align-items: flex-start; }
  .report-mock { padding: 16px; transform: none; }
  .report-score strong { font-size: 52px; }
  .report-score em { margin-left: 0; width: 100%; }
  .company { padding: 56px 0; }
  .company h2 { font-size: clamp(2.2rem, 10vw, 3rem); }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 12px; }
  .footer-nav { margin-left: 0; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

@media (max-width: 360px) {
  :root { --shell: calc(100% - 24px); }
  .hero h1 { font-size: 2.65rem; }
  .brand-word { font-size: 14px; }
  .nav-cta { padding: 8px 9px; }
  .score-main { gap: 10px; }
  .score-ring { width: 86px; height: 86px; }
  .score-number strong { font-size: 28px; }
  .score-copy p:last-child { display: none; }
  .hero-meta { gap: 8px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- v2: existing AIZVEE content ---------- */
.question-sub {
  max-width: 46ch;
  margin-top: 10px;
  color: var(--muted-light);
  font-size: 12px;
  line-height: 1.55;
}

.scan-context {
  display: block;
  max-width: 360px;
  margin-top: 24px;
  color: var(--muted-light);
  font: 9px/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.scan-context select {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 11px 12px;
  border: 1px solid var(--line-light);
  border-radius: 0;
  background: #0f1317;
  color: var(--paper);
  font: 12px/1.4 var(--sans);
}
.scan-context select:focus-visible { outline: 2px solid var(--acid); outline-offset: 2px; }

.ladder {
  margin-top: 44px;
  border-top: 1px solid var(--line);
}
.ladder-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  color: var(--muted);
}
.ladder-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.ladder-item {
  min-height: 148px;
  padding: 16px 16px 16px 0;
  border-right: 1px solid var(--line);
}
.ladder-item + .ladder-item { padding-left: 16px; }
.ladder-item:last-child { border-right: 0; }
.ladder-item > .mono { color: var(--blue); }
.ladder-item h3 {
  margin: 18px 0 8px;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.6vw, 1.55rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}
.ladder-item p {
  max-width: 19ch;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.report-peer {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 8px/1.5 var(--mono);
  letter-spacing: 0.02em;
}
.report-peer .mono {
  width: 100%;
  color: var(--muted);
}

.result-peer {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 14px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-light);
  color: var(--muted-light);
  font: 9px/1.5 var(--mono);
  letter-spacing: 0.02em;
}
.result-peer .mono {
  width: 100%;
  color: var(--acid);
}
.result-dim { grid-template-columns: 96px minmax(0, 1fr) 32px; }

.scenarios {
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.scene-card {
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: 20px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}
.scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: 7px 8px 0 rgba(17, 20, 23, 0.06);
}
.scene-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.scene-no { color: var(--muted); font: 10px/1 var(--mono); }
.scene-tag {
  color: var(--muted);
  font: 9px/1 var(--mono);
  letter-spacing: 0.08em;
}
.scene-card h3 {
  margin-top: 20px;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.1vw, 1.9rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
}
.scene-card > p:not(.scene-impact) {
  max-width: 34ch;
  margin-top: 13px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.scene-impact {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--blue);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.04em;
}

@media (max-width: 1080px) {
  .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .report-bar { grid-template-columns: 86px minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .ladder-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ladder-item { border-bottom: 1px solid var(--line); }
  .ladder-item:nth-child(2n) { border-right: 0; }
  .ladder-item:nth-last-child(-n + 2) { border-bottom: 0; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-card { min-height: 0; }
  .result-dim { grid-template-columns: 86px minmax(0, 1fr) 30px; }
}

@media (max-width: 640px) {
  .ladder-row { grid-template-columns: 1fr; }
  .ladder-item,
  .ladder-item + .ladder-item {
    min-height: 0;
    padding: 14px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .ladder-item:last-child { border-bottom: 0; }
  .ladder-item h3 { margin-top: 10px; }
  .result-dim { grid-template-columns: 82px minmax(0, 1fr) 28px; font-size: 8px; }
  .report-peer { font-size: 8px; }
  .scene-card { padding: 18px; }
}

.lang-switch {
  color: var(--muted);
  font: 10px/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 0 6px 12px;
  border-left: 1px solid var(--line);
  margin-left: 2px;
}
.lang-switch:hover,
.lang-switch:focus-visible { color: var(--ink); }

/* ---------- print ---------- */
@media print {
  @page { margin: 16mm; }
  body { background: #fff; color: #000; }
  .site-header,
  .hero,
  .statement,
  .method,
  .products,
  .output,
  .scenarios,
  .company,
  .site-footer,
  .scan-aside,
  .scan .section-head,
  .scan-start,
  .scan-form,
  .scan-panel-top,
  .scan-noscript,
  .result-actions,
  .result-note { display: none !important; }
  .scan,
  .scan-grid,
  .scan-panel {
    display: block;
    min-height: 0;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #000;
    border: 0;
    box-shadow: none;
  }
  .scan-panel { padding: 0; }
  .scan-result { display: block !important; padding: 0; }
  .result-head { border-color: #bbb; }
  .result-head h3 { color: #000; }
  .result-head > p:last-child,
  .result-overview-copy p,
  .result-note { color: #444; }
  .result-overview { border-color: #bbb; }
  .result-ring .ring-bg { stroke: #ddd; }
  .result-ring .ring-value { stroke: #111; }
  .result-ring .result-number strong { color: #000; }
  .result-ring .result-number span { color: #555; }
  .result-dim { color: #555; }
  .result-dim i { background: #ddd; }
  .result-dim b { background: #111; }
  .result-dim em { color: #000; }
  .result-priorities h4 { color: #000; }
  .result-priorities li { color: #000; border-color: #ddd; }
  .result-priorities li::before { color: #555; }
  .result-overview-copy .mono { color: #000; }
}