:root {
  color-scheme: dark;
  --bg: #070b0a;
  --surface: #0f1714;
  --surface-2: #17231f;
  --surface-code: #040706;
  --ink: #f4fbf8;
  --muted: #afc2ba;
  --line: #5c756c;
  --mint: #43e6aa;
  --mint-dark: #a0f8d7;
  --mint-soft: #113a2d;
  --amber: #ffd27a;
  --amber-soft: #3b2d12;
  --danger: #ff9aa3;
  --danger-soft: #412126;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 83% 2%, color-mix(in srgb, var(--mint) 10%, transparent), transparent 28rem),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

button,
textarea,
input {
  font: inherit;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--mint);
}

button,
label[for] {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  font-variant-ligatures: none;
}

::selection {
  background: var(--mint);
  color: #05120d;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  transform: translateY(-180%);
  border-radius: 0.6rem;
  background: var(--mint);
  color: #05120d;
}

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

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-code);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: -0.08em;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--mint) 16%, transparent);
}

.brand-mark span {
  color: var(--mint);
}

.brand-name {
  display: grid;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.brand-name strong { font-weight: 760; }
.brand-name small { color: var(--muted); font-size: 0.72rem; letter-spacing: 0; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.local-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-right: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 680;
}

.local-status > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--mint) 16%, transparent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.72rem;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 720;
  text-decoration: none;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:focus-visible,
.brand:focus-visible,
.filter:focus-visible,
.file-button:focus-visible,
textarea:focus-visible,
input:focus-visible,
.dialog-close:focus-visible {
  outline: 3px solid var(--mint-dark);
  outline-offset: 2px;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.button-primary {
  padding-inline: 1.25rem;
  background: var(--mint);
  color: #07140f;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--mint) 23%, transparent);
}

.button-primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--mint) 88%, white);
}

.button-secondary {
  border-color: var(--line);
  background: var(--surface);
}

.button-quiet:hover {
  background: var(--surface-2);
}

.button-danger-quiet {
  color: var(--danger);
}

.button-danger-quiet:hover {
  background: var(--danger-soft);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  gap: 4rem;
  align-items: end;
  padding: 5rem 0 4rem;
}

.eyebrow,
.step-label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1rem;
  color: var(--mint-dark);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow > span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3rem, 6.5vw, 5.9rem);
  font-weight: 660;
  letter-spacing: -0.072em;
  line-height: 1.02;
}

.hero h1 > span { display: block; color: var(--mint); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.6rem; }
.hero-note { margin: 1rem 0 0; color: var(--muted); font-size: 0.8rem; }

.hero h1 code {
  color: var(--mint-dark);
  font-weight: 650;
}

.hero-summary {
  max-width: 640px;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.trust-panel {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow);
}

.trust-kicker {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-panel ul {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.trust-panel li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.trust-panel li span {
  color: var(--mint-dark);
  font-weight: 900;
}

/* A self-contained walkthrough. All values here are fictional, not editor inputs. */
.product-demo { --demo-cyan: #73d9ff; --demo-violet: #c6adff; --demo-accent: var(--mint); padding: 2.5rem 0 4rem; scroll-margin-top: 1.5rem; }
.demo-heading, .tool-intro { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.demo-heading { margin-bottom: 1.6rem; }
.demo-heading h2, .tool-intro h2 { margin: 0; font-size: clamp(1.8rem, 3.2vw, 2.8rem); line-height: 1.1; letter-spacing: -0.045em; }
.demo-description { max-width: 720px; margin: 0.9rem 0 0; color: var(--muted); font-size: 0.92rem; }
.demo-controls { display: flex; flex-shrink: 0; align-items: center; gap: 0.4rem; }
.demo-controls .button { font-size: 0.75rem; }
.demo-window { overflow: hidden; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); box-shadow: var(--shadow); }
.demo-window-bar { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1.2rem; border-bottom: 1px solid var(--line); font: 0.7rem var(--mono); color: var(--muted); }
.demo-window-dots { color: var(--demo-violet); letter-spacing: 0.12rem; }
.demo-window-badge { margin-left: auto; padding: 0.25rem 0.5rem; border-radius: 0.25rem; background: var(--mint-soft); color: var(--mint-dark); font-size: 0.6rem; letter-spacing: 0.12em; }
.demo-benefit-bar { display: flex; align-items: center; gap: 1.6rem; padding: 1.05rem 1.2rem; border-bottom: 1px solid var(--line); background: linear-gradient(110deg, color-mix(in srgb, var(--mint) 8%, var(--surface)), var(--surface), color-mix(in srgb, var(--amber) 7%, var(--surface))); }
.demo-benefit-preserved, .demo-benefit-new { display: flex; align-items: center; gap: 0.65rem; color: var(--muted); font-size: 0.75rem; line-height: 1.4; }
.demo-benefit-preserved strong, .demo-benefit-new strong { font: 650 2rem/1 var(--mono); font-variant-numeric: tabular-nums; }
.demo-benefit-preserved strong { color: var(--mint); }
.demo-benefit-new strong { color: var(--amber); }
.demo-benefit-note { margin: 0 0 0 auto; max-width: 260px; color: var(--ink); font-size: 0.79rem; }
.demo-source { display: flex; align-items: center; gap: 0.9rem; margin: 1.2rem 1.2rem 0; padding: 0.65rem 0.9rem; min-height: 65px; border: 1px dashed var(--line); border-radius: 0.6rem; color: var(--muted); font-size: 0.72rem; }
.demo-source-label { display: flex; align-items: center; gap: 0.7rem; }
.demo-source > strong { color: var(--ink); font-family: var(--mono); }
.demo-source pre { flex: 1; min-width: 0; height: 2.7em; margin: 0; padding-inline: 1rem; border-left: 1px solid var(--line); overflow: hidden; font: 0.7rem/1.35 var(--mono); }
.demo-source code { font: inherit; }
.demo-copy-action { display: flex; align-items: center; gap: 0.4rem; min-width: 65px; border: 1px solid var(--line); padding: 0.4rem 0.55rem; border-radius: 0.35rem; color: var(--ink); }
.demo-copy-action > span { font-size: 1.15rem; line-height: 1; }
.demo-active-match { display: flex; align-items: center; justify-content: center; gap: 0.6rem; min-height: 50px; padding: 0.75rem 1.2rem 0; color: var(--muted); font-size: 0.75rem; transition: color 220ms; }
.demo-active-match [data-demo-active-key] { color: var(--demo-accent); font-family: var(--mono); font-weight: 700; }
.demo-trace-route { display: inline-flex; align-items: center; gap: 0.4rem; font: 0.68rem var(--mono); }
.demo-trace-route > span:first-child { color: var(--demo-cyan); }
.demo-trace-route > span:nth-child(2) { color: var(--demo-violet); }
.demo-trace-route > span:last-child { color: var(--mint); }
.product-demo:not([data-phase^="trace-"]) .demo-active-match > span:first-child,
.product-demo:not([data-phase^="trace-"]) .demo-active-match [data-demo-active-key] { visibility: hidden; }
.product-demo[data-active-column="current"] { --demo-accent: var(--demo-cyan); }
.product-demo[data-active-column="example"] { --demo-accent: var(--demo-violet); }
.product-demo[data-active-column="output"] { --demo-accent: var(--mint); }
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"]) { --demo-accent: var(--demo-cyan); }
.product-demo:is([data-phase="copy-example"], [data-phase="paste-example"]) { --demo-accent: var(--demo-violet); }
.product-demo[data-phase^="trace-"] .demo-active-match { color: var(--ink); }
.demo-focus-lens { display: flex; align-items: center; justify-content: center; gap: 0.65rem; min-height: 58px; margin: 0 1.2rem 0.25rem; padding: 0.65rem 1rem; border: 1px solid transparent; border-radius: 0.65rem; color: var(--muted); background: transparent; opacity: 0; visibility: hidden; transform: scale(0.96); transition: opacity 280ms, transform 280ms, border-color 280ms, background-color 280ms; }
.demo-focus-lens code { color: var(--demo-accent); font: 750 clamp(0.82rem, 1.25vw, 1.05rem)/1.35 var(--mono); letter-spacing: 0.015em; overflow-wrap: anywhere; }
.demo-focus-icon { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 30px; border: 1px solid var(--demo-accent); border-radius: 50%; color: var(--demo-accent); font: 800 1.2rem/1 var(--mono); box-shadow: 0 0 18px color-mix(in srgb, var(--demo-accent) 24%, transparent); }
.product-demo[data-phase^="trace-"] .demo-focus-lens { border-color: color-mix(in srgb, var(--demo-accent) 58%, var(--line)); background: color-mix(in srgb, var(--demo-accent) 10%, var(--surface-code)); opacity: 1; visibility: visible; transform: scale(1); box-shadow: 0 0 24px color-mix(in srgb, var(--demo-accent) 12%, transparent); }
.demo-panel-switcher { display: none; }
.demo-editors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); position: relative; gap: 0.85rem; padding: 1rem 1.2rem 1.2rem; }
.demo-editor { min-width: 0; border: 1px solid color-mix(in srgb, var(--demo-accent) 35%, var(--line)); border-top: 3px solid var(--demo-accent); border-radius: 0.65rem; background: var(--surface-code); transition: border-color 220ms, box-shadow 220ms; overflow: hidden; }
.demo-current { --demo-accent: var(--demo-cyan); }
.demo-example { --demo-accent: var(--demo-violet); }
.demo-output { --demo-accent: var(--mint); }
.demo-editor-heading { display: flex; align-items: center; gap: 0.55rem; padding: 0.85rem 0.65rem; border-bottom: 1px solid color-mix(in srgb, var(--demo-accent) 30%, var(--line)); background: color-mix(in srgb, var(--demo-accent) 8%, var(--surface-2)); }
.demo-file-number { display: grid; place-items: center; width: 26px; height: 26px; flex-shrink: 0; border: 1px solid color-mix(in srgb, var(--demo-accent) 60%, var(--line)); border-radius: 0.35rem; color: var(--demo-accent); background: var(--surface-code); font: 0.75rem var(--mono); }
.demo-editor-heading small { display: block; margin-bottom: 0.15rem; color: var(--muted); font-size: 0.65rem; }
.demo-editor-heading h3 { margin: 0; color: var(--demo-accent); font: 600 0.85rem var(--mono); }
.demo-output-name { color: var(--mint-dark); font-size: 0.62rem; font-weight: 400; }
.demo-editor-check { margin-left: auto; color: var(--demo-accent); font-weight: 800; }
.demo-code-wrap { position: relative; min-height: 350px; }
.demo-code-wrap pre { margin: 0; padding: 0.9rem 0.45rem; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--line) var(--surface-code); font: 0.75rem/1.95 var(--mono); tab-size: 2; }
.demo-code-wrap code { display: block; min-width: max-content; font: inherit; font-variant-ligatures: none; }
.demo-comment { color: var(--muted); }
.demo-value { color: var(--demo-accent); }
.demo-token-placeholder { color: var(--demo-violet); }
.demo-placeholder { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; flex-direction: column; gap: 0.55rem; color: var(--muted); font: 0.7rem var(--mono); }
.demo-merge-symbol { font-size: 2rem; color: var(--mint); }
.demo-line { display: inline-block; position: relative; width: 100%; min-height: 1.95em; border-left: 2px solid transparent; padding: 0 0.35rem 0 2.1rem; border-radius: 0.15rem; transform-origin: left center; transition: background-color 250ms, color 250ms, border-color 250ms, transform 250ms; }
.demo-line::before { content: attr(data-demo-line); position: absolute; left: 0.25rem; width: 1.25rem; color: var(--muted); text-align: right; font-size: 0.85em; font-variant-numeric: tabular-nums; }
.demo-line-kept, .demo-line-local { color: var(--ink); }
.demo-line-empty { color: var(--muted); }
.demo-output .demo-line[data-copied="false"] { color: var(--muted); }
.demo-output .demo-line[data-copied="false"] .demo-value { color: var(--muted); }
.demo-output .demo-line[data-copied="true"] { color: var(--mint-dark); border-left-color: color-mix(in srgb, var(--mint) 60%, transparent); background: color-mix(in srgb, var(--mint) 6%, var(--surface-code)); }
.demo-output .demo-line[data-copied="true"]::before { color: var(--mint-dark); }
.demo-line-new { color: var(--amber); border-left-color: var(--amber); background: var(--amber-soft); }
.demo-line-new::before { color: var(--amber); }
.demo-output .demo-line-new { color: var(--muted); border-left-color: transparent; background: transparent; }
.demo-output .demo-line-new::before { color: var(--muted); }
.product-demo:is([data-phase="new-fields"], [data-phase="result"]) .demo-output .demo-line-new { color: var(--amber); border-left-color: var(--amber); background: var(--amber-soft); }
.product-demo:is([data-phase="new-fields"], [data-phase="result"]) .demo-output .demo-line-new::before { color: var(--amber); }
.product-demo .demo-line[data-highlighted="true"] { z-index: 2; color: var(--ink); border-left-color: var(--demo-accent); background: color-mix(in srgb, var(--demo-accent) 18%, var(--surface-code)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--demo-accent) 70%, transparent); font-weight: 700; animation: demo-key-pulse 2.1s ease-in-out infinite; }
.product-demo .demo-line[data-highlighted="true"]::before { color: var(--demo-accent); font-weight: 700; }
.demo-needs-input { display: flex; align-items: center; gap: 0.75rem; margin: 0 1.2rem 1.2rem; padding: 0.8rem 0.95rem; border: 1px dashed var(--line); border-radius: 0.55rem; color: var(--muted); background: var(--surface-code); transition: border-color 250ms, background-color 250ms, color 250ms; }
.demo-needs-input > span { font: 700 1.1rem var(--mono); }
.demo-needs-input strong { display: block; font-size: 0.8rem; }
.demo-needs-input p { margin: 0; font-size: 0.77rem; }
.demo-new-key-list { display: flex; flex-wrap: wrap; margin-left: auto; }
.demo-needs-input code { display: inline-block; margin: 0.2rem 0.3rem 0 0; padding: 0.1rem 0.4rem; border: 1px solid var(--line); border-radius: 0.25rem; font-size: 0.7rem; }
.product-demo:is([data-phase="new-fields"], [data-phase="result"]) .demo-needs-input { color: var(--amber); border-color: var(--amber); background: var(--amber-soft); }
.product-demo:is([data-phase="new-fields"], [data-phase="result"]) .demo-needs-input code { border-color: color-mix(in srgb, var(--amber) 60%, transparent); background: var(--surface-code); }
.product-demo[data-phase="new-fields"] .demo-line-new { --demo-accent: var(--amber); animation: demo-key-pulse 2.1s ease-in-out infinite; }
.demo-caption { display: flex; align-items: center; gap: 0.6rem; min-height: 65px; padding: 0.75rem 1.2rem; background: var(--surface-2); border-block: 1px solid var(--line); color: var(--ink); font-size: 0.79rem; }
.demo-caption-dot { width: 7px; height: 7px; flex-shrink: 0; background: var(--demo-accent); border-radius: 50%; box-shadow: 0 0 12px color-mix(in srgb, var(--demo-accent) 35%, transparent); }
.demo-progress { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 0; margin: 0; }
.demo-progress li { display: flex; align-items: center; gap: 0.6rem; padding: 1rem; border-right: 1px solid var(--line); color: var(--muted); font-size: 0.76rem; transition: background 250ms; }
.demo-progress li:last-child { border-right: 0; }
.demo-progress li > span { font: 0.65rem var(--mono); color: var(--muted); }
.demo-progress li[aria-current="step"] { color: var(--mint-dark); background: var(--mint-soft); }
.demo-progress li[aria-current="step"] > span { color: var(--mint-dark); }
.demo-disclaimer { margin: 0.75rem 0 0; color: var(--muted); font-size: 0.7rem; text-align: center; }
.demo-rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.demo-rules article { position: relative; padding: 1.2rem 1.2rem 1.2rem 3.25rem; border: 1px solid var(--line); border-radius: 0.65rem; background: var(--surface); }
.demo-rule-marker { display: grid; place-items: center; position: absolute; top: 1.2rem; left: 1.1rem; width: 23px; height: 23px; border-radius: 0.3rem; color: var(--demo-cyan); background: color-mix(in srgb, var(--demo-cyan) 12%, var(--surface)); font-family: var(--mono); }
.demo-rule-filled { color: var(--demo-violet); background: color-mix(in srgb, var(--demo-violet) 12%, var(--surface)); }
.demo-rule-added { color: var(--amber); background: var(--amber-soft); }
.demo-rules h3 { margin: 0 0 0.4rem; font-size: 0.85rem; }
.demo-rules p { margin: 0; color: var(--muted); font-size: 0.79rem; line-height: 1.7; }
.tool-intro { padding: 2rem 0; border-top: 1px solid var(--line); }
.tool-intro > p { max-width: 430px; margin: 0; color: var(--muted); font-size: 0.88rem; }
#paste-step { scroll-margin-top: 1.5rem; }
.demo-paste-pointer { display: none; position: absolute; z-index: 2; top: 105px; left: 24%; pointer-events: none; color: var(--demo-accent); }
.demo-paste-pointer > span { font-size: 1.8rem; text-shadow: 0 2px 6px #000; }
.demo-paste-pointer kbd { background: var(--demo-accent); color: var(--surface-code); border-radius: 0.3rem; padding: 0.3rem 0.55rem; font: 700 0.65rem var(--sans); box-shadow: 0 4px 18px #000; }
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"], [data-active-column="current"]) .demo-current,
.product-demo:is([data-phase="copy-example"], [data-phase="paste-example"], [data-active-column="example"]) .demo-example,
.product-demo:is([data-phase="new-fields"], [data-phase="result"], [data-active-column="output"]) .demo-output { border-color: var(--demo-accent); box-shadow: 0 0 0 1px var(--demo-accent), 0 0 24px color-mix(in srgb, var(--demo-accent) 12%, transparent); }
.product-demo[data-phase="copy-current"] .demo-current pre,
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"], [data-phase="copy-example"]) .demo-example pre,
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"], [data-phase="copy-example"], [data-phase="paste-example"], [data-phase="compare"]) .demo-output pre { opacity: 0; }
.product-demo[data-phase="copy-current"] .demo-current .demo-placeholder,
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"], [data-phase="copy-example"]) .demo-example .demo-placeholder,
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"], [data-phase="copy-example"], [data-phase="paste-example"], [data-phase="compare"]) .demo-output .demo-placeholder { display: flex; }
.product-demo[data-phase="copy-current"] .demo-current .demo-editor-check,
.product-demo:is([data-phase="copy-current"], [data-phase="paste-current"], [data-phase="copy-example"]) .demo-example .demo-editor-check,
.product-demo:not([data-phase="result"]) .demo-output .demo-editor-check { visibility: hidden; }
.product-demo:is([data-phase="copy-current"], [data-phase="copy-example"]) .demo-source pre { color: var(--demo-accent); background: color-mix(in srgb, var(--demo-accent) 12%, var(--surface)); }
.product-demo:is([data-phase="copy-current"], [data-phase="copy-example"]) .demo-copy-action { color: var(--surface-code); background: var(--demo-accent); border-color: var(--demo-accent); }
.product-demo:is([data-phase="paste-current"], [data-phase="paste-example"]) .demo-paste-pointer { display: block; animation: demo-paste 850ms ease-out both; }
.product-demo[data-phase="paste-example"] .demo-paste-pointer { left: 57%; }
.product-demo[data-phase="paste-current"] .demo-current pre,
.product-demo[data-phase="paste-example"] .demo-example pre { animation: demo-code-in 500ms ease-out both; }
.product-demo[data-phase="compare"] .demo-merge-symbol { animation: demo-working 1.6s ease-in-out infinite; }
.product-demo[data-playing="false"] *, .product-demo[data-playing="false"] *::before, .product-demo[data-playing="false"] *::after { animation-play-state: paused !important; }
@keyframes demo-paste { from { transform: translate(20px, -55px); opacity: 0; } 30% { opacity: 1; } to { transform: translate(0, 0); opacity: 1; } }
@keyframes demo-code-in { from { transform: translateY(5px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes demo-working { 0%, 100% { transform: translateX(-4px); } 50% { transform: translateX(4px); } }
/* Gentle background emphasis, never flashing or hiding the code itself. */
@keyframes demo-key-pulse { 0%, 100% { transform: scale(1.01); background-color: color-mix(in srgb, var(--demo-accent) 12%, var(--surface-code)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--demo-accent) 55%, transparent); } 50% { transform: scale(1.035); background-color: color-mix(in srgb, var(--demo-accent) 28%, var(--surface-code)); box-shadow: inset 0 0 0 1px var(--demo-accent), 0 0 18px color-mix(in srgb, var(--demo-accent) 18%, transparent); } }

@media (max-width: 1020px) {
  .demo-editors { gap: 0.55rem; padding-inline: 0.85rem; }
  .demo-code-wrap pre { font-size: 0.6875rem; padding-inline: 0.3rem; }
  .demo-editor-heading { gap: 0.4rem; padding-inline: 0.5rem; }
  .demo-editor-heading h3 { font-size: 0.77rem; }
  .demo-heading { align-items: start; }
  .demo-benefit-bar { gap: 1rem; }
  .demo-benefit-note { max-width: 220px; }
  .demo-rules article { padding: 1rem; padding-top: 3.25rem; }
  .demo-rule-marker { top: 1rem; left: 1rem; }
}

@media (max-width: 720px) {
  .demo-heading, .tool-intro { flex-direction: column; align-items: start; gap: 1rem; }
  .demo-benefit-bar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; padding: 1rem 0.85rem; }
  .demo-benefit-preserved, .demo-benefit-new { gap: 0.55rem; font-size: 0.7rem; }
  .demo-benefit-preserved strong, .demo-benefit-new strong { font-size: 1.8rem; }
  .demo-benefit-note { grid-column: 1 / -1; max-width: none; margin: 0; font-size: 0.74rem; }
  .demo-editors { grid-template-columns: 1fr; padding-top: 0.85rem; }
  .demo-code-wrap { min-height: 340px; }
  .demo-code-wrap pre { font-size: 0.75rem; padding-inline: 0.5rem; }
  .demo-editor-heading { padding-inline: 0.75rem; }
  .demo-editor-heading h3 { font-size: 0.85rem; }
  .demo-source { margin: 0.85rem 0.85rem 0; gap: 0.5rem; flex-wrap: wrap; min-height: 52px; }
  .demo-source-label { font-size: 0.65rem; }
  .demo-source pre { display: none; }
  .demo-copy-action { margin-left: auto; }
  .demo-active-match { min-height: 48px; padding: 0.75rem 0.85rem; flex-wrap: wrap; gap: 0.35rem; font-size: 0.7rem; }
  .demo-focus-lens { justify-content: flex-start; min-height: 64px; margin: 0 0.85rem 0.45rem; padding: 0.6rem 0.75rem; }
  .demo-focus-lens > span:not(.demo-focus-icon) { display: none; }
  .demo-focus-lens code { font-size: clamp(0.72rem, 3.1vw, 0.9rem); }
  .product-demo[data-demo-enhanced="true"] .demo-panel-switcher { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.35rem; padding: 0 0.85rem; }
  .demo-panel-switcher button { min-width: 0; min-height: 44px; padding: 0.45rem 0.2rem; border: 1px solid var(--line); border-radius: 0.4rem; background: var(--surface-code); color: var(--muted); cursor: pointer; font: 0.65rem/1.4 var(--mono); }
  .demo-panel-switcher button[data-demo-panel="current"] { --demo-accent: var(--demo-cyan); }
  .demo-panel-switcher button[data-demo-panel="example"] { --demo-accent: var(--demo-violet); }
  .demo-panel-switcher button[data-demo-panel="output"] { --demo-accent: var(--mint); }
  .demo-panel-switcher button:hover { color: var(--demo-accent); border-color: var(--demo-accent); }
  .demo-panel-switcher button:focus-visible { outline: 2px solid var(--demo-accent); outline-offset: 3px; }
  .product-demo[data-mobile-panel="current"] [data-demo-panel="current"],
  .product-demo[data-mobile-panel="example"] [data-demo-panel="example"],
  .product-demo[data-mobile-panel="output"] [data-demo-panel="output"] { color: var(--demo-accent); border-color: var(--demo-accent); background: color-mix(in srgb, var(--demo-accent) 12%, var(--surface-code)); }
  .product-demo[data-demo-enhanced="true"][data-mobile-panel="current"] .demo-editor:not(.demo-current),
  .product-demo[data-demo-enhanced="true"][data-mobile-panel="example"] .demo-editor:not(.demo-example),
  .product-demo[data-demo-enhanced="true"][data-mobile-panel="output"] .demo-editor:not(.demo-output) { display: none; }
  .demo-needs-input { flex-wrap: wrap; margin: 0 0.85rem 0.85rem; padding: 0.75rem; gap: 0.5rem; }
  .demo-needs-input p { font-size: 0.74rem; }
  .demo-needs-input code { font-size: 0.67rem; }
  .demo-rules { grid-template-columns: 1fr; gap: 0.75rem; }
  .demo-rules article { padding: 1rem 1rem 1rem 3rem; }
  .demo-progress li { gap: 0.25rem; flex-direction: column; padding: 0.8rem 0.3rem; font-size: 0.69rem; text-align: center; }
  .demo-caption { font-size: 0.75rem; min-height: 80px; padding-inline: 0.85rem; }
  .demo-window-bar { font-size: 0.6rem; gap: 0.5rem; padding-inline: 0.85rem; }
  .product-demo { padding-top: 1rem; }
  .product-demo[data-demo-enhanced="true"] .demo-paste-pointer,
  .product-demo[data-demo-enhanced="true"][data-phase="paste-example"] .demo-paste-pointer { top: 105px; left: auto; right: 1.65rem; }
}

@media (max-width: 420px) {
  .demo-source-label { display: none; }
  .demo-window-dots { display: none; }
  .demo-code-wrap pre { font-size: 0.6875rem; }
  .demo-line { padding-left: 1.8rem; padding-right: 0.2rem; }
  .demo-line::before { left: 0.1rem; }
  .demo-controls .button { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .product-demo *, .product-demo *::before, .product-demo *::after { animation: none !important; transition: none !important; }
}

.stepper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 1.25rem 1.25rem 0 0;
  overflow: hidden;
  list-style: none;
  background: var(--surface-2);
}

.stepper li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 80px;
  padding: 1rem 1.4rem;
  border-right: 1px solid var(--line);
  color: var(--muted);
}

.stepper li:last-child {
  border-right: 0;
}

.stepper li > span:first-child {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.stepper li > span:last-child {
  display: grid;
}

.stepper strong {
  color: var(--ink);
  font-size: 0.88rem;
}

.stepper small {
  font-size: 0.72rem;
}

.stepper li.is-active {
  background: var(--surface);
}

.stepper li.is-active > span:first-child,
.stepper li.is-complete > span:first-child {
  border-color: var(--mint);
  background: var(--mint);
  color: #07140f;
}

.app-shell {
  border: 1px solid var(--line);
  border-radius: 0 0 1.25rem 1.25rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.app-step {
  padding: clamp(1.25rem, 3.5vw, 3rem);
}

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

.app-step h2[tabindex="-1"]:focus {
  outline: none;
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.section-heading > p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.step-label {
  margin-bottom: 0.65rem;
}

.input-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
}

.compare-glyph {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--mint-dark);
  font-size: 1.15rem;
}

.file-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--bg);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.file-card.is-dragging {
  border-color: var(--mint);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--mint) 15%, transparent);
}

.file-card-header,
.file-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
}

.file-card-header {
  justify-content: flex-start;
}

.file-card-header h3 {
  margin: 0;
  font-size: 0.95rem;
}

.file-card-header p {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.file-number {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 0.55rem;
  background: var(--mint-soft);
  color: var(--mint-dark);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 800;
}

.file-card textarea {
  display: block;
  width: 100%;
  min-height: 300px;
  resize: vertical;
  padding: 1.15rem;
  border: 0;
  border-block: 1px solid var(--line);
  outline: 0;
  background: var(--surface-code);
  color: var(--ink);
  caret-color: var(--mint);
  font-family: var(--mono);
  font-size: 0.88rem;
  font-variant-ligatures: none;
  line-height: 1.65;
  tab-size: 2;
  white-space: pre;
}

.file-card textarea::placeholder {
  color: var(--muted);
}

.file-card textarea:focus {
  box-shadow: inset 0 0 0 2px var(--mint);
}

.file-card-footer {
  color: var(--muted);
  font-size: 0.72rem;
}

.file-button {
  min-height: 38px;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

.file-card-footer:focus-within .file-button {
  outline: 3px solid var(--mint-dark);
  outline-offset: 2px;
}

.step-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.step-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.privacy-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.privacy-inline span {
  color: var(--mint-dark);
  font-size: 1.25rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.summary-grid article {
  display: grid;
  gap: 0.15rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--bg);
}

.summary-grid strong {
  font-family: var(--mono);
  font-size: 1.6rem;
}

.summary-grid span {
  color: var(--muted);
  font-size: 0.75rem;
}

.diagnostics {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.diagnostic {
  display: flex;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border: 1px solid color-mix(in srgb, var(--amber) 45%, var(--line));
  border-radius: 0.7rem;
  background: var(--amber-soft);
  font-size: 0.82rem;
}

.diagnostic.is-error {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--line));
  background: var(--danger-soft);
}

.review-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: 2rem 0 1rem;
}

.review-toolbar h3 {
  margin: 0;
  font-size: 1.1rem;
}

.review-toolbar p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.filter-group {
  display: flex;
  padding: 0.25rem;
  border-radius: 0.65rem;
  background: var(--surface-2);
}

.filter {
  min-height: 36px;
  padding: 0.45rem 0.75rem;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 720;
}

.filter.is-active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.review-list {
  display: grid;
  gap: 0.6rem;
}

.review-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(140px, 0.6fr) minmax(180px, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
}

.review-row[data-state="missing-in-current"] {
  border-left: 3px solid var(--mint);
}

.review-row[data-state="current-only"] {
  border-left: 3px solid var(--amber);
}

.review-key {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.review-key code {
  overflow: hidden;
  font-size: 0.78rem;
  font-weight: 700;
  text-overflow: ellipsis;
}

.review-state {
  color: var(--muted);
  font-size: 0.74rem;
}

.review-input,
.duplicate-select {
  width: 100%;
  min-height: 38px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--surface-code);
  color: var(--ink);
  caret-color: var(--mint);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.override-control { display: flex; flex-wrap: wrap; gap: 0.4rem; min-width: 0; }
.override-control .review-input { flex: 1 1 140px; width: 0; }
.override-reset { min-height: 38px; padding: 0.4rem 0.6rem; border-color: var(--line); font-size: 0.72rem; }
.noscript-notice { padding: 1rem; text-align: center; background: var(--amber-soft); }

.mode-picker {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 2rem 0 0;
  padding: 0;
  border: 0;
}

.mode-picker legend {
  margin-bottom: 0.7rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.mode-picker label {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  cursor: pointer;
}

.mode-picker label:has(input:checked) {
  border-color: var(--mint);
  background: var(--mint-soft);
}

.mode-picker span {
  display: grid;
  gap: 0.2rem;
}

.mode-picker strong {
  font-size: 0.88rem;
}

.mode-picker small {
  color: var(--muted);
  font-size: 0.74rem;
}

.success-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  background: var(--mint-soft);
  color: var(--mint-dark);
  font-size: 0.75rem;
  font-weight: 750;
}

.output-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
}

.output-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  background: var(--surface-2);
}

.output-toolbar > div {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.output-toolbar strong {
  font-family: var(--mono);
  font-size: 0.85rem;
}

.output-toolbar span {
  color: var(--muted);
  font-size: 0.72rem;
}

.output-wrap {
  position: relative;
  min-height: 420px;
  background: var(--surface-code);
}

.output-wrap textarea {
  display: block;
  width: 100%;
  min-height: 420px;
  resize: vertical;
  padding: 1.25rem;
  border: 0;
  outline: 0;
  background: var(--surface-code);
  color: var(--ink);
  caret-color: var(--mint);
  font-family: var(--mono);
  font-size: 0.86rem;
  font-variant-ligatures: none;
  line-height: 1.65;
  white-space: pre;
}

.mask-message {
  display: none;
  position: absolute;
  inset: 0;
  place-content: center;
  place-items: center;
  gap: 0.45rem;
  background:
    linear-gradient(rgba(4, 7, 6, 0.96), rgba(4, 7, 6, 0.96)),
    repeating-linear-gradient(0deg, transparent 0 26px, rgba(255, 255, 255, 0.04) 27px);
  color: var(--ink);
  text-align: center;
}

.is-masked .mask-message {
  display: grid;
}

.mask-message > span {
  color: var(--mint);
  font-family: var(--mono);
  font-size: 1.5rem;
  letter-spacing: 0.25em;
}

.mask-message small {
  color: var(--muted);
}

.export-actions > div {
  display: flex;
  gap: 0.6rem;
}

.assurance {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) 1.5fr;
  gap: 5rem;
  padding: 8rem 0;
}

.assurance h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-content: end;
}

.assurance-grid article {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.assurance-grid article > span {
  color: var(--mint-dark);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.assurance-grid h3 {
  margin: 1.6rem 0 0.4rem;
  font-size: 0.95rem;
}

.assurance-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

.footer-brand { display: grid; gap: 0.35rem; }
.legal-links { display: flex; align-items: center; flex-wrap: wrap; gap: 0.6rem 1rem; }
.legal-links a, .dialog-copy a, .legal-page a, .legal-back { color: var(--mint-dark); text-underline-offset: 0.2em; }
.legal-links a { padding-block: 0.65rem; }
.legal-links a:focus-visible, .dialog-copy a:focus-visible, .legal-page a:focus-visible, .legal-back:focus-visible { outline: 3px solid var(--mint-dark); outline-offset: 3px; }
.legal-availability { margin: 0; max-width: 32rem; }
.offline-notice { padding: 1rem; border: 1px solid var(--line); border-radius: 0.75rem; background: var(--surface-2); }
.legal-page { max-width: 860px; padding-block: 3rem 5rem; min-height: 65vh; }
.legal-page h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.15; }
.impressr-doc, .privacy-fallback { color: var(--ink); overflow-wrap: anywhere; line-height: 1.8; }
.impressr-doc h2, .impressr-doc h3 { margin-top: 2rem; line-height: 1.3; }
.impressr-doc table { display: block; overflow-x: auto; border-collapse: collapse; }
.impressr-doc th, .impressr-doc td { padding: 0.5rem; border: 1px solid var(--line); }

dialog {
  width: min(620px, calc(100% - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(3, 8, 6, 0.7);
  backdrop-filter: blur(5px);
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.dialog-header h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.dialog-close {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-2);
  cursor: pointer;
  color: var(--ink);
  font-size: 1.3rem;
}

.help-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 1.4rem 1.4rem;
  list-style: none;
}

.help-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

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

.help-list li > span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--mint-soft);
  color: var(--mint-dark);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.help-list p,
.dialog-copy p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.dialog-copy {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
}

.dialog-copy p {
  margin: 0;
}

.live-region {
  position: fixed;
  z-index: 90;
  right: 1rem;
  bottom: 1rem;
  max-width: min(360px, calc(100% - 2rem));
  padding: 0;
}

.live-region:not(:empty) {
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-left-color: var(--mint);
  border-radius: 0.7rem;
  background: var(--surface-2);
  color: var(--ink);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
}

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

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    padding-block: 1rem;
  }

  .local-status {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-block: 4.5rem 3rem;
  }

  .trust-panel {
    max-width: 480px;
  }

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

  .compare-glyph {
    margin-inline: auto;
    transform: rotate(90deg);
  }

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

  .assurance {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-block: 6rem;
  }

  .review-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}

@media (max-width: 620px) {
  .site-header,
  main,
  footer {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    min-height: 74px;
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  .brand-name {
    display: grid;
  }

  .header-actions {
    gap: 0.2rem;
  }

  .header-actions .button {
    min-height: 40px;
    padding-inline: 0.45rem;
    font-size: 0.7rem;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 16vw, 4.3rem);
  }

  .stepper li {
    min-height: 64px;
    justify-content: center;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.7rem;
  }

  .stepper small {
    display: none;
  }

  .app-step {
    padding: 1rem;
  }

  .section-heading,
  .review-toolbar,
  .step-actions,
  .export-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-grid,
  .mode-picker,
  .assurance-grid {
    grid-template-columns: 1fr 1fr;
  }

  .filter-group {
    align-self: flex-start;
  }

  .file-card textarea {
    min-height: 240px;
  }

  .export-actions > div {
    display: grid;
  }

  .export-actions .button {
    width: 100%;
  }

  footer {
    flex-direction: column;
    gap: 0.3rem;
  }
}

@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;
  }
}