:root {
  color-scheme: dark;
  --page: #07111f;
  --page-soft: #0b1728;
  --surface: #101f33;
  --surface-strong: #172a41;
  --surface-muted: #0c192a;
  --text: #f5f8fc;
  --text-soft: #aebdd0;
  --line: #2a4058;
  --line-strong: #405a75;
  --accent: #65a8ff;
  --accent-strong: #8bc0ff;
  --accent-ink: #061426;
  --gold: #ffca57;
  --orange: #ff7a45;
  --green: #4ed39a;
  --red: #ff7285;
  --shadow: 0 22px 60px rgb(0 0 0 / 28%);
  --header: rgb(7 17 31 / 92%);
  --field-line: rgb(255 255 255 / 4%);
  --focus: #ffca57;
  --radius: 18px;
  --radius-small: 10px;
  --content: 1180px;
  --font-sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-mono:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

:root[data-theme="warm"] {
  color-scheme: light;
  --page: #f6f0e5;
  --page-soft: #efe4d3;
  --surface: #fffaf1;
  --surface-strong: #f4e5cf;
  --surface-muted: #fbf2e5;
  --text: #271d17;
  --text-soft: #705f50;
  --line: #ddc9ad;
  --line-strong: #bfa27e;
  --accent: #bb4f28;
  --accent-strong: #8f351a;
  --accent-ink: #fffaf1;
  --gold: #c27a09;
  --orange: #c64c25;
  --green: #277b5d;
  --red: #bb3750;
  --shadow: 0 22px 60px rgb(79 53 31 / 14%);
  --header: rgb(246 240 229 / 94%);
  --field-line: rgb(70 47 29 / 5%);
  --focus: #8b4b00;
}

:root[data-theme="blue"] {
  color-scheme: dark;
  --page: #031b33;
  --page-soft: #062846;
  --surface: #083556;
  --surface-strong: #0c466f;
  --surface-muted: #062b49;
  --text: #f3fbff;
  --text-soft: #b6d8e9;
  --line: #256185;
  --line-strong: #3b82a9;
  --accent: #6ae0ff;
  --accent-strong: #a0ecff;
  --accent-ink: #032036;
  --gold: #ffd166;
  --orange: #ff8e5c;
  --green: #62e6b2;
  --red: #ff7b91;
  --shadow: 0 22px 60px rgb(0 10 26 / 34%);
  --header: rgb(3 27 51 / 93%);
  --field-line: rgb(142 220 255 / 6%);
  --focus: #ffd166;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent calc(10% - 1px),
      var(--field-line) calc(10% - 1px),
      var(--field-line) 10%
    ),
    var(--page);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(180deg, rgb(101 168 255 / 7%), transparent 36rem),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 79px,
      var(--field-line) 80px
    );
  content: "";
  pointer-events: none;
}

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

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

button,
select {
  cursor: pointer;
}

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

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--gold);
  color: #14100a;
  font-weight: 800;
  transform: translateY(-160%);
}

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

.container {
  width: min(calc(100% - 32px), var(--content));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 32px), 820px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: var(--header);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 900;
  letter-spacing: -0.025em;
  text-decoration: none;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
}

.brand-copy {
  display: flex;
  align-items: baseline;
  gap: 4px;
  white-space: nowrap;
}

.brand-copy small {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

.site-nav a:hover {
  background: var(--surface);
  color: var(--text);
}

.theme-switcher {
  display: inline-flex;
  flex: 0 0 auto;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  gap: 2px;
}

.theme-button {
  display: grid;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-soft);
  place-items: center;
}

.theme-button:hover,
.theme-button[aria-pressed="true"] {
  background: var(--surface-strong);
  color: var(--gold);
}

.hero {
  position: relative;
  overflow: clip;
  padding: clamp(56px, 8vw, 108px) 0 72px;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  position: absolute;
  top: 34px;
  right: max(0px, calc((100vw - var(--content)) / 2));
  width: min(38vw, 460px);
  height: min(38vw, 460px);
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgb(101 168 255 / 3%),
    0 0 0 76px rgb(101 168 255 / 2%);
  content: "";
  opacity: 0.7;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  gap: clamp(36px, 7vw, 88px);
  grid-template-columns: minmax(0, 1.22fr) minmax(300px, 0.78fr);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 2px;
  background: currentColor;
  content: "";
}

h1,
h2,
h3,
h4 {
  margin-block: 0;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.6rem, 7vw, 5.35rem);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
}

.hero-lead {
  max-width: 730px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 2.3vw, 1.24rem);
  line-height: 1.65;
}

.hero-actions,
.button-row {
  display: flex;
  margin-top: 28px;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--surface);
  color: var(--text);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease;
}

.button:hover {
  border-color: var(--accent);
  background: var(--surface-strong);
  color: var(--text);
  transform: translateY(-1px);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.button-primary:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: #17120b;
}

.button-quiet {
  border-color: transparent;
  background: transparent;
}

.trust-strip {
  display: flex;
  margin: 26px 0 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--text-soft);
  font-size: 0.87rem;
  font-weight: 700;
  list-style: none;
}

.trust-strip li::before {
  margin-right: 7px;
  color: var(--green);
  content: "✓";
  font-weight: 950;
}

.scoreboard {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: var(--surface-muted);
  box-shadow: var(--shadow);
}

.scoreboard::before {
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--accent) 0 64%, var(--gold) 64%);
  content: "";
}

.scoreboard-top {
  display: flex;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
}

.live-dot::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 5px rgb(78 211 154 / 12%);
  content: "";
}

.score-grid {
  display: grid;
  padding: 18px 20px 22px;
  gap: 1px;
  grid-template-columns: repeat(2, 1fr);
}

.score-stat {
  padding: 15px 12px;
  border-bottom: 1px solid var(--line);
}

.score-stat:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.score-stat:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.score-stat span {
  display: block;
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.score-stat strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
}

.score-note {
  margin: 0;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.82rem;
}

.section {
  padding: clamp(64px, 9vw, 112px) 0;
}

.section-tight {
  padding: 56px 0;
}

.section-muted {
  border-block: 1px solid var(--line);
  background: var(--page-soft);
}

.section-heading {
  display: grid;
  margin-bottom: 34px;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.58fr);
}

.section-heading p,
.prose-lead {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.section-kicker {
  margin: 0 0 9px;
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-shell {
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  background: var(--surface-muted);
  box-shadow: var(--shadow);
}

.preset-grid {
  display: grid;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.preset-button {
  position: relative;
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  text-align: left;
}

.preset-button:hover {
  border-color: var(--accent);
  background: var(--surface-strong);
}

.preset-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--surface-strong);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.preset-button[aria-pressed="true"]::after {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  content: "✓";
  font-size: 0.75rem;
  font-weight: 950;
  place-items: center;
}

.preset-button strong {
  display: block;
  padding-right: 22px;
  font-size: 1rem;
}

.preset-button span {
  display: block;
  margin-top: 7px;
  color: var(--text-soft);
  font-size: 0.8rem;
  line-height: 1.45;
}

.recommended-tag {
  display: inline-flex !important;
  width: max-content;
  margin: 0 0 7px !important;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--gold);
  color: #17120b !important;
  font-family: var(--font-mono);
  font-size: 0.63rem !important;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tool-toolbar {
  display: grid;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  align-items: end;
  gap: 12px;
  grid-template-columns: minmax(220px, 1fr) minmax(160px, 0.4fr) auto;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--text-soft);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-soft);
  opacity: 0.75;
}

.toggle-field {
  display: inline-flex;
  min-height: 44px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 750;
}

.toggle-field input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.tool-status {
  display: flex;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  gap: 15px;
}

.progress-track {
  overflow: hidden;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-strong);
  flex: 1 1 auto;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
  transition: width 180ms ease;
}

.progress-label {
  min-width: 130px;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
  text-align: right;
}

.tool-actions {
  display: flex;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  gap: 8px;
}

.tool-actions .button {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.82rem;
}

.settings-root {
  padding: 0 18px 18px;
}

.settings-group {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.settings-group[open] {
  border-color: var(--line-strong);
}

.settings-group > summary {
  display: flex;
  min-height: 58px;
  padding: 13px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}

.settings-group > summary::-webkit-details-marker {
  display: none;
}

.settings-group > summary::after {
  color: var(--accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
}

.settings-group[open] > summary::after {
  content: "−";
}

.group-name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 900;
}

.group-count {
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
}

.group-path {
  color: var(--text-soft);
  font-size: 0.75rem;
  text-align: right;
}

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

.setting-row {
  display: grid;
  min-height: 88px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  gap: 10px 14px;
  grid-template-columns: 28px minmax(150px, 0.8fr) minmax(130px, 0.45fr) minmax(
      220px,
      1.2fr
    );
}

.setting-row:last-child {
  border-bottom: 0;
}

.setting-row.is-complete {
  background: rgb(78 211 154 / 6%);
}

.setting-row.is-hidden {
  display: none;
}

.complete-control {
  display: grid;
  width: 24px;
  height: 24px;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  appearance: none;
  background: var(--surface-muted);
  cursor: pointer;
  place-items: center;
}

.complete-control:checked {
  border-color: var(--green);
  background: var(--green);
}

.complete-control:checked::after {
  color: #07150f;
  content: "✓";
  font-size: 0.77rem;
  font-weight: 950;
}

.setting-label {
  display: block;
  font-weight: 850;
  line-height: 1.35;
}

.critical-mark {
  display: inline-block;
  margin-left: 6px;
  color: var(--gold);
  font-size: 0.75rem;
  vertical-align: 0.1em;
}

.setting-control {
  display: flex;
  align-items: center;
  gap: 7px;
}

.setting-control input,
.setting-control select {
  width: 100%;
  min-height: 40px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 800;
}

.setting-unit {
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.setting-why {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.78rem;
  line-height: 1.5;
}

.evidence-pill {
  display: inline-flex;
  margin-top: 6px;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.evidence-pill[data-evidence="official"] {
  border-color: rgb(101 168 255 / 55%);
  color: var(--accent-strong);
}

.evidence-pill[data-evidence="tested"] {
  border-color: rgb(78 211 154 / 50%);
  color: var(--green);
}

.evidence-pill[data-evidence="taste"] {
  border-color: rgb(255 202 87 / 50%);
  color: var(--gold);
}

.tool-footnote {
  margin: 0;
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.77rem;
}

.empty-state {
  padding: 42px 20px;
  color: var(--text-soft);
  text-align: center;
}

.quick-grid,
.feature-grid,
.calibration-grid,
.trust-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.quick-card,
.feature-card,
.calibration-card,
.trust-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.quick-card span {
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.quick-card strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.28rem;
}

.quick-card small {
  display: block;
  margin-top: 7px;
  color: var(--text-soft);
  line-height: 1.45;
}

.feature-number {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 850;
  place-items: center;
}

.feature-card p,
.calibration-card p,
.trust-card p {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.callout {
  display: grid;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--gold);
  border-radius: var(--radius);
  background: var(--surface);
  gap: 18px;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
}

.callout p {
  margin: 0;
  color: var(--text-soft);
}

.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--surface-strong);
  color: var(--text);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.data-table td {
  color: var(--text-soft);
}

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

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

.prose {
  color: var(--text-soft);
}

.prose > * + * {
  margin-top: 1.15em;
}

.prose h2,
.prose h3 {
  margin-top: 2em;
  color: var(--text);
}

.prose h2:first-child,
.prose h3:first-child {
  margin-top: 0;
}

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

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.55em;
}

.source-list {
  display: grid;
  margin: 28px 0 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.source-list li {
  display: grid;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  gap: 4px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.source-list a {
  font-weight: 800;
}

.source-list span {
  color: var(--text-soft);
  font-size: 0.78rem;
}

.source-type {
  align-self: start;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--surface-strong);
  color: var(--gold) !important;
  font-family: var(--font-mono);
  font-size: 0.64rem !important;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.faq-item[open] {
  border-color: var(--line-strong);
}

.faq-item summary {
  display: flex;
  min-height: 58px;
  padding: 16px 18px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--text);
  cursor: pointer;
  font-weight: 850;
  list-style: none;
}

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

.faq-item summary::after {
  color: var(--accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 18px 18px;
  color: var(--text-soft);
}

.faq-answer p {
  margin: 0;
}

.page-hero {
  padding: 72px 0 54px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

.page-hero p {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--text-soft);
  font-size: 1.08rem;
}

.legal-meta {
  display: flex;
  margin-top: 22px;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-full {
  grid-column: 1 / -1;
}

.form-note {
  margin: 16px 0 0;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.site-footer {
  padding: 44px 0 34px;
  border-top: 1px solid var(--line);
  background: var(--page-soft);
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(240px, 1fr) auto;
}

.footer-summary {
  max-width: 610px;
  margin: 14px 0 0;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.footer-links a {
  color: var(--text-soft);
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
}

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

.footer-bottom {
  display: flex;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  justify-content: space-between;
  gap: 16px;
  color: var(--text-soft);
  font-size: 0.75rem;
}

.toast {
  position: fixed;
  z-index: 500;
  right: 18px;
  bottom: 18px;
  max-width: min(420px, calc(100vw - 36px));
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 750;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

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

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

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .theme-switcher {
    margin-left: auto;
  }

  .hero-grid,
  .section-heading,
  .callout {
    grid-template-columns: 1fr;
  }

  .hero::after {
    right: -130px;
    width: 440px;
    height: 440px;
  }

  .scoreboard {
    max-width: 620px;
  }

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

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

  .setting-row {
    grid-template-columns: 28px minmax(140px, 0.8fr) minmax(130px, 0.45fr);
  }

  .setting-why {
    grid-column: 2 / -1;
  }
}

@media (max-width: 720px) {
  .container,
  .narrow {
    width: min(calc(100% - 22px), var(--content));
  }

  .header-inner {
    min-height: 64px;
    gap: 10px;
  }

  .brand-copy span {
    font-size: 0.88rem;
  }

  .brand-copy small {
    display: none;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .theme-button {
    width: 31px;
    height: 31px;
  }

  .hero {
    padding: 52px 0 54px;
  }

  h1 {
    font-size: clamp(2.45rem, 13vw, 4rem);
  }

  .hero-actions .button,
  .button-row .button {
    flex: 1 1 100%;
  }

  .trust-strip {
    display: grid;
    gap: 6px;
  }

  .section {
    padding: 64px 0;
  }

  .section-heading {
    margin-bottom: 25px;
  }

  .preset-grid {
    padding: 12px;
    grid-template-columns: 1fr;
  }

  .preset-button {
    min-height: 0;
  }

  .tool-toolbar {
    padding: 14px 12px;
    grid-template-columns: 1fr;
  }

  .tool-status {
    padding-inline: 12px;
    align-items: flex-start;
    flex-direction: column;
  }

  .progress-track {
    width: 100%;
  }

  .progress-label {
    min-width: 0;
    text-align: left;
  }

  .tool-actions {
    padding-inline: 12px;
  }

  .tool-actions .button {
    flex: 1 1 calc(50% - 8px);
  }

  .settings-root {
    padding: 0 12px 12px;
  }

  .settings-group > summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .settings-group > summary::after {
    position: absolute;
    right: 28px;
  }

  .group-path {
    padding-right: 20px;
    text-align: left;
  }

  .setting-row {
    padding: 15px 12px;
    align-items: start;
    grid-template-columns: 26px minmax(0, 1fr);
  }

  .setting-control,
  .setting-why {
    grid-column: 2;
  }

  .quick-grid,
  .feature-grid,
  .calibration-grid,
  .trust-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .source-list li {
    grid-template-columns: 1fr;
  }

  .source-type {
    width: max-content;
  }

  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  :root {
    color-scheme: light;
    --page: #fff;
    --surface: #fff;
    --surface-muted: #fff;
    --surface-strong: #f1f1f1;
    --text: #111;
    --text-soft: #333;
    --line: #bbb;
    --line-strong: #777;
  }

  body {
    background: #fff;
    font-size: 10pt;
  }

  body::before,
  .site-header,
  .hero,
  .section-heading p,
  .preset-grid,
  .tool-toolbar,
  .tool-actions,
  .tool-footnote,
  .site-footer,
  .toast,
  #quick-answer,
  #why,
  #calibration,
  #sources,
  #faq {
    display: none !important;
  }

  .section {
    padding: 0;
  }

  .section-heading {
    display: block;
    margin: 0 0 16px;
  }

  .tool-shell,
  .settings-group {
    border: 0;
    box-shadow: none;
  }

  .tool-status {
    padding: 0 0 12px;
  }

  .settings-group {
    break-inside: avoid;
  }

  .settings-group > summary {
    padding-inline: 0;
  }

  .setting-row {
    min-height: 0;
    padding: 7px 0;
    grid-template-columns: 20px 1fr 120px 1.2fr;
  }

  .setting-control input,
  .setting-control select {
    border: 0;
    background: transparent;
    color: #111;
    appearance: none;
  }

  .button {
    display: none !important;
  }

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