/*
 * Ergono3D iterative insole design landing page.
 * Extends the shared brand system in /assets/styles.css.
 */

.lp-iterate {
  overflow-x: hidden;
}

.lp-iterate main {
  overflow: hidden;
}

.lp-iterate [id] {
  scroll-margin-top: 88px;
}

.lp-iterate :focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent) 68%, white);
  outline-offset: 3px;
  border-radius: 4px;
}

.iterate-skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 9px 13px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  transform: translateY(-150%);
  transition: transform .15s ease;
}

.iterate-skip-link:focus {
  transform: translateY(0);
  color: var(--paper);
}

/* Hero */
.iterate-hero {
  position: relative;
  padding: clamp(56px, 7.8vw, 104px) 0 clamp(72px, 9vw, 120px);
}

.iterate-hero::before {
  content: "";
  position: absolute;
  width: min(820px, 70vw);
  height: min(820px, 70vw);
  right: -23vw;
  top: -42%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 10%, transparent), transparent 67%);
  pointer-events: none;
}

.iterate-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(410px, .9fr);
  gap: clamp(42px, 6vw, 84px);
  align-items: center;
}

.iterate-hero-copy h1 {
  margin-top: 16px;
  max-width: 12.4ch;
}

.iterate-hero-copy .lede {
  margin-top: 26px;
  max-width: 64ch;
}

.iterate-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.iterate-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin-top: 38px;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--rule);
}

.iterate-proof > div {
  min-width: 0;
  padding: 15px 17px;
  background: color-mix(in oklch, var(--paper) 88%, var(--paper-2));
}

.iterate-proof .k,
.iterate-proof .v {
  display: block;
}

.iterate-proof .k {
  margin-bottom: 4px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.iterate-proof .v {
  font-size: 13px;
  line-height: 1.35;
  color: var(--ink);
}

/* Signature element: a trace from subjective feedback to a saved version. */
.iteration-console {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--rule) 78%, var(--ink));
  border-radius: 20px;
  background:
    linear-gradient(to right, color-mix(in oklch, var(--rule-2) 54%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklch, var(--rule-2) 54%, transparent) 1px, transparent 1px),
    var(--paper);
  background-size: 30px 30px;
  box-shadow: 0 28px 70px rgba(15, 36, 32, .11);
}

.iteration-console::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .8);
  pointer-events: none;
}

.iteration-console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 50px;
  padding: 0 18px;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in oklch, var(--paper-2) 58%, var(--paper));
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.iteration-console-head strong {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 500;
  color: var(--accent-teal);
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-teal);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent-teal) 13%, transparent);
}

.feedback-window {
  margin: 20px 20px 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 0 14px 34px rgba(15, 36, 32, .07);
}

.feedback-window-label {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.feedback-window blockquote {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 20px 20px 18px;
  font-family: var(--mono);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.45;
  color: var(--ink);
}

.feedback-image {
  position: relative;
  height: 230px;
  overflow: hidden;
  border-top: 1px solid var(--rule-2);
  background: #f5f7fb;
}

.feedback-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top;
}

.version-trace {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 20px 18px;
  padding-top: 22px;
}

.trace-line {
  position: absolute;
  top: 7px;
  left: calc(16.666% - 2px);
  right: calc(16.666% - 2px);
  height: 1px;
  overflow: visible;
  background: var(--rule);
}

.trace-line::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: var(--accent-grad);
  transform-origin: left;
}

.trace-node {
  position: relative;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: color-mix(in oklch, var(--paper) 93%, var(--paper-2));
}

.trace-node::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 50%;
  width: 9px;
  height: 9px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  transform: translateX(-50%);
}

.trace-node--two::before {
  background: color-mix(in oklch, var(--accent) 55%, var(--accent-teal));
}

.trace-node--three::before {
  background: var(--accent-teal);
  box-shadow: 0 0 0 1px var(--accent-teal), 0 0 0 5px color-mix(in oklch, var(--accent-teal) 11%, transparent);
}

.trace-index {
  display: block;
  margin-bottom: 7px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .08em;
  color: var(--accent-ink);
}

.trace-copy {
  display: grid;
  gap: 3px;
}

.trace-copy strong {
  font-size: 12px;
  line-height: 1.25;
  font-weight: 600;
}

.trace-copy small {
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: 8.5px;
  line-height: 1.35;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--muted);
}

.console-note {
  margin: 0 20px 18px;
  text-align: right;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (prefers-reduced-motion: no-preference) {
  .trace-line::after {
    animation: iterate-trace 1.15s .25s cubic-bezier(.22, .8, .3, 1) both;
  }

  .trace-node {
    animation: iterate-node-in .5s cubic-bezier(.22, .8, .3, 1) both;
  }

  .trace-node--one { animation-delay: .25s; }
  .trace-node--two { animation-delay: .62s; }
  .trace-node--three { animation-delay: 1s; }

  @keyframes iterate-trace {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }

  @keyframes iterate-node-in {
    from { opacity: 0; transform: translateY(7px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

/* Why iterate */
.iterate-reasons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--rule);
}

.iterate-reason {
  min-width: 0;
  padding: clamp(25px, 3vw, 36px);
  background: var(--paper);
}

.iterate-reason h3 {
  margin-top: 20px;
  font-size: clamp(20px, 1.7vw, 24px);
}

.iterate-reason p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.62;
}

.iterate-evidence {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 17px 18px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: color-mix(in oklch, var(--paper-2) 54%, var(--paper));
}

.evidence-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-ink);
}

.iterate-evidence p {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.55;
}

.evidence-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
}

.evidence-links a {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent-ink);
  white-space: nowrap;
}

/* Loop */
.loop-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--rule);
  list-style: none;
}

.loop-step {
  position: relative;
  min-width: 0;
  min-height: 340px;
  padding: 28px 24px 24px;
  background: var(--paper);
}

.loop-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 52px;
  right: -13px;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-ink);
}

.loop-index {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
}

.loop-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 28px;
  border: 1px solid color-mix(in oklch, var(--accent) 32%, var(--rule));
  border-radius: 14px;
  background: color-mix(in oklch, var(--paper-2) 62%, var(--paper));
  color: var(--accent-ink);
}

.loop-icon svg {
  width: 30px;
  height: 30px;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.loop-step h3 {
  min-height: 2.5em;
  font-size: 20px;
}

.loop-step p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.loop-data {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding-top: 12px;
  border-top: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.physical-proof {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, .82fr);
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--rule);
}

.physical-proof figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 420px;
  margin: 0;
  background: #eef3f8;
}

.physical-proof figure img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center;
  display: block;
}

.physical-proof figcaption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 15px;
  border-top: 1px solid var(--rule);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.physical-proof-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(30px, 4vw, 52px);
  background: var(--paper);
}

.physical-proof-copy h3 {
  margin-top: 18px;
  font-size: clamp(24px, 2.7vw, 34px);
}

.physical-proof-copy p {
  margin-top: 15px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.62;
}

/* Two input modes */
.steer-grid {
  display: grid;
  gap: 22px;
}

.steer-card {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--paper);
}

.steer-card--reverse {
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
}

.steer-card--reverse .steer-card-copy {
  order: 2;
}

.steer-card--reverse .steer-media {
  order: 1;
  border-left: 0;
  border-right: 1px solid var(--rule);
}

.steer-card-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(28px, 4vw, 52px);
}

.steer-mode {
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.steer-card-copy h3 {
  font-size: clamp(25px, 3vw, 36px);
}

.steer-card-copy > p {
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}

.steer-card-copy ul {
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.steer-card-copy ul:not(.parameter-tags) li {
  position: relative;
  padding-left: 19px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
}

.steer-card-copy ul:not(.parameter-tags) li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 1px;
  background: var(--accent-teal);
}

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

.parameter-tags li {
  padding: 8px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  text-align: center;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-2);
}

.steer-media {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 440px;
  margin: 0;
  border-left: 1px solid var(--rule);
  background: #f2f5fa;
}

.steer-media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
}

.steer-media--portrait img {
  object-fit: contain;
  padding: 22px;
  background:
    radial-gradient(circle at 50% 30%, color-mix(in oklch, var(--accent) 7%, transparent), transparent 55%),
    #f5f7fb;
}

.steer-media figcaption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 15px;
  border-top: 1px solid var(--rule);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Data / history */
.data-control-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.26fr) minmax(330px, .74fr);
  gap: 22px;
  align-items: stretch;
}

.dashboard-figure,
.data-ledger {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--paper);
}

.dashboard-figure {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.dashboard-bar,
.data-ledger-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 48px;
  padding: 0 16px;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in oklch, var(--paper-2) 58%, var(--paper));
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.dashboard-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent-teal);
}

.dashboard-figure > img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: contain;
  object-position: center;
  padding: 12px;
  background: #f3f6fb;
  display: block;
}

.dashboard-figure figcaption {
  padding: 13px 16px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.data-ledger {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.data-ledger ol {
  display: grid;
  padding: 0;
  margin: 0;
  list-style: none;
}

.data-ledger li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 19px 20px;
  border-bottom: 1px solid var(--rule-2);
}

.data-ledger li:last-child {
  border-bottom: 0;
}

.ledger-index {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--rule);
  border-radius: 9px;
  background: var(--paper-2);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent-ink);
}

.data-ledger strong {
  font-size: 15px;
  font-weight: 600;
}

.data-ledger p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.data-policy-note {
  display: grid;
  gap: 11px;
  padding: 17px 20px;
  border-top: 1px solid var(--rule);
  background: color-mix(in oklch, var(--paper-2) 48%, var(--paper));
}

.data-policy-note p {
  margin: 0;
  color: var(--ink-2);
  font-size: 11.5px;
  line-height: 1.55;
}

.data-policy-note div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.data-policy-note a {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--accent-ink);
}

/* Comparison */
.comparison-hint {
  display: none;
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .04em;
  color: var(--accent-ink);
}

.comparison-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--paper);
}

.iterate-comparison {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  table-layout: fixed;
}

.iterate-comparison th,
.iterate-comparison td {
  padding: 19px 20px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.iterate-comparison tr > *:last-child {
  border-right: 0;
}

.iterate-comparison tbody tr:last-child > * {
  border-bottom: 0;
}

.iterate-comparison thead th {
  background: color-mix(in oklch, var(--paper-2) 66%, var(--paper));
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
}

.iterate-comparison thead th:last-child {
  color: var(--accent-ink);
}

.iterate-comparison tbody th {
  width: 30%;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.iterate-comparison tbody td {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
}

.iterate-comparison tbody td:last-child {
  background: color-mix(in oklch, var(--paper-2) 30%, var(--paper));
  color: var(--ink-2);
}

.iterate-audiences .card {
  min-height: 230px;
}

.iterate-faq {
  max-width: 1050px;
}

.iterate-final-callout {
  border-radius: 18px;
}

.iterate-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Responsive */
@media (max-width: 1060px) {
  .iterate-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, .9fr);
    gap: 36px;
  }

  .iterate-hero-copy h1 {
    font-size: clamp(40px, 5.6vw, 62px);
  }

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

  .loop-step:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 920px) {
  .iterate-hero-grid,
  .data-control-grid {
    grid-template-columns: 1fr;
  }

  .iterate-hero-copy h1 {
    max-width: 14ch;
    font-size: clamp(44px, 7.8vw, 66px);
  }

  .iteration-console {
    max-width: 720px;
  }

  .iterate-reasons {
    grid-template-columns: 1fr;
  }

  .iterate-evidence {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .evidence-links {
    grid-column: 2;
    justify-content: flex-start;
  }

  .steer-card,
  .steer-card--reverse {
    grid-template-columns: minmax(270px, .72fr) minmax(0, 1.28fr);
  }

  .steer-card--reverse .steer-card-copy {
    order: 1;
  }

  .steer-card--reverse .steer-media {
    order: 2;
    border-right: 0;
    border-left: 1px solid var(--rule);
  }

  .physical-proof {
    grid-template-columns: 1fr;
  }

  .physical-proof figure {
    min-height: 340px;
  }
}

@media (max-width: 720px) {
  .iterate-hero {
    padding-top: 44px;
  }

  .iterate-hero-copy h1 {
    max-width: none;
    font-size: clamp(38px, 11.2vw, 50px);
    line-height: 1.04;
  }

  .iterate-hero-copy h1 br {
    display: none;
  }

  .iterate-hero-copy .hl {
    display: block;
    margin-top: 5px;
  }

  .iterate-hero-copy .lede {
    font-size: 18px;
  }

  .iterate-cta-row {
    align-items: stretch;
  }

  .iterate-cta-row .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
  }

  .iterate-proof {
    grid-template-columns: 1fr;
  }

  .feedback-window {
    margin: 14px 14px 0;
  }

  .feedback-window-label {
    flex-direction: column;
    gap: 3px;
  }

  .feedback-image {
    height: 190px;
  }

  .version-trace {
    grid-template-columns: 1fr;
    gap: 8px;
    margin: 20px 14px 14px 32px;
    padding: 0;
  }

  .trace-line {
    top: 17px;
    bottom: 17px;
    left: -14px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .trace-line::after {
    width: 1px;
    height: 100%;
    transform-origin: top;
  }

  .trace-node::before {
    top: 50%;
    left: -19px;
    transform: translateY(-50%);
  }

  .trace-node {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 8px;
    align-items: center;
  }

  .trace-index {
    margin: 0;
  }

  .console-note {
    margin: 0 14px 15px;
    text-align: left;
  }

  @media (prefers-reduced-motion: no-preference) {
    .trace-line::after {
      animation-name: iterate-trace-mobile;
    }

    @keyframes iterate-trace-mobile {
      from { transform: scaleY(0); }
      to { transform: scaleY(1); }
    }
  }

  .iterate-evidence {
    grid-template-columns: 1fr;
  }

  .evidence-mark {
    display: none;
  }

  .evidence-links {
    grid-column: 1;
    display: grid;
  }

  .evidence-links a {
    white-space: normal;
  }

  .loop-track {
    grid-template-columns: 1fr;
  }

  .loop-step {
    min-height: 290px;
  }

  .loop-step:not(:last-child)::after {
    display: grid;
    top: auto;
    right: 24px;
    bottom: -14px;
    transform: rotate(90deg);
  }

  .steer-card,
  .steer-card--reverse {
    grid-template-columns: 1fr;
  }

  .steer-card--reverse .steer-card-copy,
  .steer-card-copy {
    order: 1;
  }

  .steer-card--reverse .steer-media,
  .steer-media {
    order: 2;
    min-height: 0;
    border-top: 1px solid var(--rule);
    border-right: 0;
    border-left: 0;
  }

  .steer-media img {
    min-height: 270px;
  }

  .steer-media--portrait img {
    height: 420px;
  }

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

  .dashboard-figure > img {
    min-height: 280px;
  }

  .comparison-hint {
    display: block;
  }

  .iterate-final-actions,
  .iterate-final-actions .btn {
    width: 100%;
  }

  .iterate-final-actions .btn {
    justify-content: center;
  }

  .physical-proof figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .iteration-console-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    padding: 12px 14px;
  }

  .feedback-window blockquote {
    padding: 16px;
    font-size: 14px;
  }

  .feedback-image {
    height: 160px;
  }

  .steer-card-copy {
    padding: 26px 22px;
  }

  .steer-media figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .dashboard-bar,
  .data-ledger-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
    padding: 12px 14px;
  }

  .dashboard-figure > img {
    min-height: 220px;
  }

  .data-ledger li {
    padding: 17px 16px;
  }

  .faq-item summary {
    grid-template-columns: 28px 1fr 20px;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iterate-skip-link {
    transition: none;
  }
}

/* Localized editions */
html:lang(ja) .lp-iterate {
  font-family: "Noto Sans JP", "IBM Plex Sans", system-ui, sans-serif;
}

html:lang(ko) .lp-iterate {
  font-family: "Noto Sans KR", "IBM Plex Sans", system-ui, sans-serif;
}

html:lang(th) .lp-iterate {
  font-family: "Noto Sans Thai", "IBM Plex Sans", system-ui, sans-serif;
}

html:lang(ar) .lp-iterate {
  font-family: "Noto Sans Arabic", "IBM Plex Sans", system-ui, sans-serif;
}

.lp-iterate h1,
.lp-iterate h2,
.lp-iterate h3,
.lp-iterate .btn,
.lp-iterate th,
.lp-iterate td {
  overflow-wrap: anywhere;
}

html[dir="rtl"] .iterate-hero-copy,
html[dir="rtl"] .section-head,
html[dir="rtl"] .steer-card-copy,
html[dir="rtl"] .physical-proof-copy,
html[dir="rtl"] .data-ledger,
html[dir="rtl"] .iterate-final-callout {
  text-align: right;
}

html[dir="rtl"] .trace-line::after {
  transform-origin: right;
}

html[dir="rtl"] .btn .arrow {
  transform: rotate(180deg);
}

html[dir="rtl"] .btn:hover .arrow {
  transform: rotate(180deg) translateX(3px);
}

html[dir="rtl"] .console-note {
  text-align: left;
}

html[dir="rtl"] .loop-step:not(:last-child)::after {
  right: auto;
  left: -13px;
  content: "←";
}

html[dir="rtl"] .loop-index {
  right: auto;
  left: 20px;
}

html[dir="rtl"] .steer-card-copy ul:not(.parameter-tags) li {
  padding-right: 19px;
  padding-left: 0;
}

html[dir="rtl"] .steer-card-copy ul:not(.parameter-tags) li::before {
  right: 0;
  left: auto;
}

html[dir="rtl"] .steer-media {
  border-right: 1px solid var(--rule);
  border-left: 0;
}

html[dir="rtl"] .steer-card--reverse .steer-media {
  border-right: 0;
  border-left: 1px solid var(--rule);
}

html[dir="rtl"] .iterate-comparison th,
html[dir="rtl"] .iterate-comparison td {
  border-right: 0;
  border-left: 1px solid var(--rule);
  text-align: right;
}

html[dir="rtl"] .iterate-comparison tr > *:last-child {
  border-left: 0;
}

@media (max-width: 720px) {
  html[dir="rtl"] .version-trace {
    margin-right: 32px;
    margin-left: 14px;
  }

  html[dir="rtl"] .trace-line {
    right: -14px;
    left: auto;
  }

  html[dir="rtl"] .trace-node::before {
    right: -19px;
    left: auto;
  }

  html[dir="rtl"] .console-note {
    text-align: right;
  }

  html[dir="rtl"] .loop-step:not(:last-child)::after {
    right: 24px;
    left: auto;
    content: "→";
  }

  html[dir="rtl"] .steer-media,
  html[dir="rtl"] .steer-card--reverse .steer-media {
    border-right: 0;
    border-left: 0;
  }
}