:root {
  --ink: #102a43;
  --ink-soft: #243b53;
  --muted: #4b6580;
  --faint: #9fb3c8;
  --paper: #f7f5f0;
  --paper-deep: #eeece5;
  --white: #ffffff;
  --line: #d9e2ec;
  --accent: #f4bd3f;
  --accent-dark: #8a5a00;
  --blue: #2f80ed;
  --purple: #7c5cff;
  --green: #2e9f75;
  --danger: #d9534f;
  --warning: #c5892a;
  --shadow: 0 18px 45px rgba(16, 42, 67, 0.08);
  --radius: 18px;
  --sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}
button,
input,
select {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  cursor: pointer;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: var(--white);
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.header-inner,
.hero-inner,
.app-section,
.saved-inner,
.guide-inner,
.site-footer {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -1px;
}
.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}
.brand strong {
  font-size: 15px;
  letter-spacing: -0.02em;
}
.brand small {
  margin-top: 3px;
  color: #9fb3c8;
  font-size: 10px;
  letter-spacing: 0.02em;
}
.main-nav {
  display: flex;
  gap: 29px;
  color: #bcccdc;
  font-size: 13px;
}
.main-nav a {
  transition: color 0.2s ease;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 9px;
  padding: 13px 17px;
  font-weight: 700;
  font-size: 13px;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}
.button:hover {
  transform: translateY(-1px);
}
.button:focus-visible,
.icon-button:focus-visible,
.text-button:focus-visible,
.inline-action:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(198, 241, 75, 0.55);
  outline-offset: 2px;
}
.button-small {
  padding: 10px 13px;
  font-size: 12px;
}
.button-light {
  color: var(--ink);
  background: var(--white);
}
.button-light:hover {
  background: var(--accent);
}
.button-accent {
  color: var(--ink);
  background: var(--accent);
  padding: 15px 20px;
}
.button-accent:hover {
  background: #d7ff6d;
}
.button-dark {
  color: var(--white);
  background: var(--ink);
}
.button-dark:hover {
  background: var(--ink-soft);
}
.button-outline {
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
}
.button-outline:hover {
  color: var(--ink);
  background: var(--paper-deep);
  border-color: var(--faint);
}

.hero {
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}
.hero-inner {
  min-height: 438px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 80px;
  padding: 78px 0 90px;
  background:
    radial-gradient(
      circle at 92% 20%,
      rgba(198, 241, 75, 0.12),
      transparent 23%
    ),
    radial-gradient(
      circle at 72% 110%,
      rgba(47, 128, 237, 0.13),
      transparent 28%
    );
}
.hero-copy {
  max-width: 690px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.eyebrow-light {
  color: var(--accent);
}
h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}
h1 {
  margin-bottom: 23px;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}
h1 em {
  color: var(--accent);
  font-family: var(--serif);
  font-weight: 400;
}
.hero-text {
  max-width: 490px;
  margin-bottom: 32px;
  color: #bcccdc;
  font-size: 16px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}
.text-link {
  font-size: 13px;
  font-weight: 700;
}
.text-link span {
  margin-left: 6px;
  color: var(--accent);
}
.text-link-light {
  color: #d9e2ec;
}
.text-link-light:hover {
  color: var(--accent);
}
.hero-note {
  align-self: flex-end;
  max-width: 205px;
  padding-top: 17px;
  border-top: 1px solid rgba(198, 241, 75, 0.6);
}
.note-number {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}
.hero-note p {
  margin: 13px 0 0;
  color: #9fb3c8;
  font-size: 12px;
}

.app-section {
  padding: 78px 0 82px;
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 35px;
  margin-bottom: 33px;
}
.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1;
}
.section-intro {
  max-width: 360px;
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 13px;
}
.workspace {
  display: grid;
  grid-template-columns: 315px minmax(0, 1fr);
  align-items: start;
  gap: 31px;
}
.control-panel {
  position: sticky;
  top: 101px;
  padding: 22px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 13px;
}
.panel-kicker {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.icon-button {
  width: 28px;
  height: 28px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 18px;
  line-height: 1;
}
.icon-button:hover {
  color: var(--ink);
  background: var(--paper);
}
.control-group {
  min-width: 0;
  margin: 0;
  padding: 19px 0;
  border: 0;
  border-top: 1px solid var(--line);
}
.control-group legend {
  margin-bottom: 15px;
  padding: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.control-group-accent {
  margin: 0 -22px;
  padding: 19px 22px;
  background: #f4f9e5;
  border-top-color: #e2efb7;
}
.control-group-soft {
  margin: 0 -22px;
  padding: 19px 22px;
  background: #f0f6fa;
  border-top-color: #dbe9f1;
}
.field {
  display: block;
  margin-bottom: 13px;
}
.field:last-child {
  margin-bottom: 0;
}
.field > span:first-child {
  display: block;
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
}
.field-control {
  position: relative;
  display: block;
}
.field-control input,
.field select {
  width: 100%;
  min-height: 42px;
  padding: 10px 42px 10px 11px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  transition:
    border 0.2s ease,
    box-shadow 0.2s ease;
}
.field select {
  padding-right: 11px;
  appearance: auto;
}
.field-control input:focus,
.field select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.11);
  outline: 0;
}
.field-control b {
  position: absolute;
  top: 50%;
  right: 11px;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 11px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}
.field-row .field-control input {
  padding-right: 38px;
}
.field-hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}
.inline-action {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: -2px 0 14px;
  padding: 0;
  color: var(--accent-dark);
  background: none;
  border: 0;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.35;
  text-align: left;
}
.inline-action:hover {
  color: var(--ink);
}
.inline-action span {
  font-size: 14px;
}
.field-divider {
  height: 1px;
  margin: 17px 0;
  background: #dce9c1;
}
.privacy-note {
  display: flex;
  gap: 10px;
  margin-top: 5px;
  padding: 13px;
  color: var(--muted);
  background: var(--paper);
  border-radius: 10px;
}
.privacy-icon {
  display: grid;
  place-items: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}
.privacy-note p {
  margin: 0;
  font-size: 10px;
  line-height: 1.45;
}
.privacy-note strong {
  color: var(--ink);
}

.results-area {
  min-width: 0;
}
.results-topline {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 23px;
}
.results-topline h2 {
  margin-bottom: 0;
  font-size: 24px;
  letter-spacing: -0.04em;
}
.status-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}
.status-chip span {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(46, 159, 117, 0.12);
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 11px;
  margin-bottom: 17px;
}
.metric-card {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 5px 18px rgba(16, 42, 67, 0.035);
}
.metric-card-featured {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}
.metric-label {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}
.metric-card-featured .metric-label {
  color: #9fb3c8;
}
.metric-card strong {
  font-size: clamp(22px, 2.6vw, 29px);
  letter-spacing: -0.055em;
  line-height: 1;
}
.metric-card-featured strong {
  color: var(--accent);
}
.metric-card small {
  min-height: 15px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 10px;
}
.metric-card-featured small {
  color: #9fb3c8;
}
.help-dot {
  display: inline-grid;
  place-items: center;
  width: 14px;
  height: 14px;
  margin-left: 2px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 50%;
  font-size: 9px;
  text-transform: none;
}
.metric-card-income strong {
  color: var(--ink);
}
.metric-income-good {
  color: var(--green) !important;
}
.metric-income-warning {
  color: var(--warning) !important;
}
.metric-income-danger {
  color: var(--danger) !important;
}
.mini-progress {
  height: 5px;
  margin-top: 12px;
  overflow: hidden;
  background: var(--paper-deep);
  border-radius: 20px;
}
.mini-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--blue);
  border-radius: inherit;
  transition:
    width 0.3s ease,
    background 0.3s ease;
}
.mini-progress span.progress-good {
  background: var(--green);
}
.mini-progress span.progress-warning {
  background: var(--warning);
}
.mini-progress span.progress-danger {
  background: var(--danger);
}
.callout {
  display: flex;
  gap: 11px;
  margin-bottom: 17px;
  padding: 14px 16px;
  color: var(--ink-soft);
  background: #eef4f8;
  border: 1px solid #dce9f1;
  border-radius: 11px;
  font-size: 11px;
}
.callout p {
  margin: 0;
}
.callout strong {
  color: var(--ink);
}
.callout-icon {
  display: grid;
  place-items: center;
  flex: 0 0 19px;
  width: 19px;
  height: 19px;
  color: var(--white);
  background: var(--blue);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}
.callout-positive {
  background: #edf8f2;
  border-color: #ccebdd;
}
.callout-positive .callout-icon {
  background: var(--green);
}
.callout-warning {
  background: #fff8ea;
  border-color: #f2dfb6;
}
.callout-warning .callout-icon {
  background: var(--warning);
}
.callout-danger {
  background: #fff0ef;
  border-color: #f1cfcd;
}
.callout-danger .callout-icon {
  background: var(--danger);
}

.panel {
  margin-bottom: 17px;
  padding: 23px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 5px 18px rgba(16, 42, 67, 0.035);
}
.panel-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}
.panel-heading h3 {
  margin-bottom: 0;
  font-size: 21px;
  letter-spacing: -0.045em;
}
.panel-index {
  color: var(--faint);
  font-size: 11px;
  font-weight: 900;
}
.panel-description {
  max-width: 650px;
  margin: 9px 0 21px;
  color: var(--muted);
  font-size: 11px;
}
.strategy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.strategy-card {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 13px;
}
.strategy-card-primary {
  background: #f7faee;
  border-color: #dceaa9;
}
.strategy-card-secondary {
  background: #f8f7ff;
  border-color: #ded9ff;
}
.strategy-title {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 18px;
}
.strategy-letter {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}
.strategy-card-secondary .strategy-letter {
  color: var(--white);
  background: var(--purple);
}
.strategy-title h4 {
  margin: 0;
  font-size: 14px;
}
.strategy-title small {
  color: var(--muted);
  font-size: 10px;
}
.strategy-stats {
  margin: 0;
}
.strategy-stats div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid rgba(16, 42, 67, 0.08);
}
.strategy-stats dt {
  color: var(--muted);
  font-size: 10px;
}
.strategy-stats dd {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}
.verdict {
  margin-top: 14px;
  padding: 13px 15px;
  color: var(--ink-soft);
  background: #f3f6f8;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 11px;
  text-align: center;
}
.verdict strong {
  color: var(--ink);
}
.verdict span {
  color: var(--muted);
}
.verdict-blue {
  color: #1b528d;
  background: #eef5fd;
  border-color: #cae0f8;
}
.verdict-blue strong {
  color: #164777;
}
.verdict-purple {
  color: #5743b0;
  background: #f5f2ff;
  border-color: #ded7ff;
}
.verdict-purple strong {
  color: #48349a;
}
.verdict-green {
  color: #267b5c;
  background: #eef9f3;
  border-color: #c9ead9;
}
.verdict-green strong {
  color: #1f694f;
}
.verdict-neutral {
  color: var(--muted);
}
.pac-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.pac-result {
  padding: 17px;
  border-radius: 12px;
}
.pac-result span,
.pac-result small {
  display: block;
}
.pac-result span {
  margin-bottom: 8px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pac-result strong {
  display: block;
  margin-bottom: 8px;
  font-size: 27px;
  letter-spacing: -0.06em;
}
.pac-result small {
  font-size: 10px;
}
.pac-result-safe {
  color: #245f92;
  background: #eef6fd;
  border: 1px solid #d0e3f6;
}
.pac-result-safe strong {
  color: #164777;
}
.pac-result-market {
  color: #297554;
  background: #eef9f2;
  border: 1px solid #d3eddf;
}
.pac-result-market strong {
  color: #1f694f;
}
.chart-legend {
  display: flex;
  gap: 13px;
  padding-top: 4px;
  color: var(--muted);
  font-size: 10px;
}
.chart-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.chart-legend i {
  width: 9px;
  height: 9px;
  display: inline-block;
  border-radius: 2px;
}
.legend-principal {
  background: var(--blue);
}
.legend-interest {
  background: #9ac2ef;
}
.chart-wrap {
  height: 300px;
  margin: 4px -4px -5px;
  overflow: hidden;
}
#amortizationChart {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.chart-grid {
  stroke: #e8eef3;
  stroke-width: 1;
  stroke-dasharray: 3 4;
}
.chart-axis {
  stroke: #cbd5e1;
  stroke-width: 1;
}
.chart-principal {
  fill: var(--blue);
}
.chart-interest {
  fill: #9ac2ef;
}
.chart-label {
  fill: var(--muted);
  font-family: var(--sans);
  font-size: 10px;
}
.chart-label-y {
  font-size: 9px;
}
.table-scroll {
  max-height: 375px;
  margin: 3px -23px -23px;
  overflow: auto;
  border-top: 1px solid var(--line);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 11px;
}
th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 13px 17px;
  color: var(--muted);
  background: #f8fafb;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: right;
  text-transform: uppercase;
  white-space: nowrap;
}
th:first-child,
td:first-child {
  text-align: left;
}
td {
  padding: 12px 17px;
  color: var(--muted);
  border-top: 1px solid #edf1f4;
  text-align: right;
  white-space: nowrap;
}
td:first-child {
  color: var(--ink);
  font-weight: 800;
}
td strong {
  color: var(--ink);
}
.extra-cell {
  color: var(--accent-dark);
  font-weight: 800;
}

.saved-section {
  padding: 73px 0 82px;
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
}
.section-heading-compact {
  margin-bottom: 14px;
}
.saved-inner > .section-intro {
  max-width: 540px;
  margin-bottom: 23px;
}
.saved-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.saved-card {
  position: relative;
  min-width: 0;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.saved-card-selected {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 2px rgba(139, 174, 24, 0.15);
}
.saved-check {
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100% - 90px);
  cursor: pointer;
}
.saved-check input {
  position: absolute;
  opacity: 0;
}
.saved-check span {
  display: grid;
  place-items: center;
  flex: 0 0 17px;
  width: 17px;
  height: 17px;
  border: 1px solid var(--faint);
  border-radius: 4px;
}
.saved-check input:checked + span {
  background: var(--accent);
  border-color: var(--accent-dark);
}
.saved-check input:checked + span::after {
  content: "✓";
  color: var(--ink);
  font-size: 11px;
  font-weight: 900;
}
.saved-check strong {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.saved-card time {
  position: absolute;
  top: 20px;
  right: 18px;
  color: var(--faint);
  font-size: 9px;
}
.saved-card dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  margin: 21px 0 16px;
}
.saved-card dl div {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.saved-card dt {
  color: var(--muted);
  font-size: 9px;
}
.saved-card dd {
  margin: 3px 0 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}
.saved-actions {
  display: flex;
  gap: 15px;
}
.text-button {
  padding: 0;
  color: var(--ink-soft);
  background: none;
  border: 0;
  font-size: 11px;
  font-weight: 800;
}
.text-button:hover {
  color: var(--accent-dark);
}
.text-button-danger {
  color: #a86969;
}
.text-button-danger:hover {
  color: var(--danger);
}
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 26px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
  border: 1px dashed var(--faint);
  border-radius: 14px;
}
.empty-state > span {
  color: var(--accent-dark);
  font-size: 33px;
}
.empty-state p {
  margin: 0;
  font-size: 13px;
}
.empty-state small {
  font-size: 11px;
}
.saved-comparison {
  margin-top: 25px;
  padding-top: 24px;
  border-top: 1px solid #d5d2ca;
}
.saved-comparison-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 15px;
}
.saved-comparison-heading h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.04em;
}
.saved-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.saved-compare-grid article {
  padding: 17px;
  color: var(--white);
  background: var(--ink);
  border-radius: 13px;
}
.saved-compare-grid h4 {
  margin-bottom: 15px;
  color: var(--accent);
  font-size: 14px;
}
.saved-compare-grid article div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.saved-compare-grid span {
  color: #9fb3c8;
  font-size: 10px;
}
.saved-compare-grid strong {
  font-size: 11px;
}

.guide-section {
  color: var(--white);
  background: var(--ink);
}
.guide-inner {
  padding: 77px 0 79px;
}
.section-heading-light h2 {
  color: var(--white);
}
.section-heading-light .section-intro {
  color: #9fb3c8;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.guide-card {
  min-height: 200px;
  padding: 21px;
  background: #173a58;
  border: 1px solid #28516f;
  border-radius: 14px;
}
.guide-number {
  display: block;
  margin-bottom: 36px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
}
.guide-card h3 {
  margin-bottom: 10px;
  font-size: 16px;
  letter-spacing: -0.03em;
}
.guide-card p {
  margin: 0;
  color: #9fb3c8;
  font-size: 11px;
}
.faq-list {
  margin-top: 35px;
  border-top: 1px solid #28516f;
}
.faq-list > details {
  border-bottom: 1px solid #28516f;
}
.faq-list summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 2px;
  color: #d9e2ec;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary span {
  color: var(--accent);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
}
.faq-list details[open] summary span {
  transform: rotate(45deg);
}
.faq-list details p {
  max-width: 720px;
  margin: -3px 0 18px;
  color: #9fb3c8;
  font-size: 12px;
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
  color: var(--muted);
  font-size: 10px;
}
.site-footer div {
  display: flex;
  gap: 10px;
}
.site-footer strong {
  color: var(--ink);
}
.toast {
  position: fixed;
  right: 23px;
  bottom: 23px;
  z-index: 30;
  max-width: min(320px, calc(100% - 46px));
  padding: 12px 16px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 9px;
  box-shadow: 0 12px 25px rgba(16, 42, 67, 0.2);
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.toast-visible {
  opacity: 1;
  transform: translateY(0);
}
.noscript-message {
  max-width: 720px;
  margin: 24px auto;
  padding: 16px;
  color: var(--ink);
  background: #fff8e6;
  border: 1px solid #e3c777;
  border-radius: 10px;
  font-weight: 700;
  text-align: center;
}
.save-dialog {
  width: min(420px, calc(100% - 32px));
  padding: 0;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(16, 42, 67, 0.24);
}
.save-dialog::backdrop {
  background: rgba(16, 42, 67, 0.58);
  backdrop-filter: blur(3px);
}
.save-dialog form {
  padding: 24px;
}
.save-dialog-heading h2 {
  margin: 0 0 7px;
  font-size: 23px;
  letter-spacing: -0.05em;
}
.save-dialog-heading p:last-child {
  margin: 0 0 21px;
  color: var(--muted);
  font-size: 12px;
}
.save-dialog-field {
  display: block;
}
.save-dialog-field span {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 800;
}
.save-dialog-field input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 16px;
}
.save-dialog-field input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.11);
  outline: 0;
}
.save-dialog-error {
  min-height: 17px;
  margin: 7px 0 0;
  color: var(--danger);
  font-size: 11px;
}
.save-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
  margin-top: 16px;
}

@media (max-width: 1050px) {
  .workspace {
    grid-template-columns: 285px minmax(0, 1fr);
    gap: 20px;
  }
  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-inner {
    gap: 40px;
  }
}

@media (max-width: 780px) {
  .header-inner,
  .hero-inner,
  .app-section,
  .saved-inner,
  .guide-inner,
  .site-footer {
    width: min(100% - 32px, 600px);
  }
  .header-inner {
    min-height: 66px;
  }
  .brand small,
  .main-nav {
    display: none;
  }
  .hero-inner {
    display: block;
    min-height: auto;
    padding: 57px 0 60px;
  }
  .hero-note {
    max-width: 320px;
    margin-top: 45px;
  }
  h1 {
    font-size: clamp(43px, 13vw, 65px);
  }
  .app-section {
    padding: 55px 0 60px;
  }
  .section-heading {
    display: block;
  }
  .section-intro {
    margin-top: 15px;
  }
  .workspace {
    display: block;
  }
  .control-panel {
    position: static;
    margin-bottom: 28px;
  }
  .results-topline {
    display: block;
  }
  .status-chip {
    margin-top: 13px;
  }
  .metric-grid {
    gap: 8px;
  }
  .metric-card {
    min-height: 120px;
    padding: 14px;
  }
  .metric-card strong {
    font-size: 24px;
  }
  .panel {
    padding: 18px;
  }
  .table-scroll {
    margin-left: -18px;
    margin-right: -18px;
  }
  .saved-section {
    padding: 55px 0 60px;
  }
  .section-heading-compact {
    display: flex;
    align-items: center;
  }
  .section-heading-compact .button {
    flex: 0 0 auto;
  }
  .saved-list,
  .saved-compare-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .guide-card {
    min-height: auto;
  }
  .guide-number {
    margin-bottom: 22px;
  }
  .guide-inner {
    padding: 55px 0 60px;
  }
  .site-footer {
    display: block;
    padding: 22px 0;
  }
  .site-footer div + div {
    margin-top: 8px;
  }
}

@media (max-width: 440px) {
  .header-inner,
  .hero-inner,
  .app-section,
  .saved-inner,
  .guide-inner,
  .site-footer {
    width: calc(100% - 24px);
  }
  .header-inner > .button {
    padding-left: 10px;
    padding-right: 10px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }
  .metric-card {
    min-height: 112px;
  }
  .metric-card strong {
    font-size: 21px;
  }
  .metric-card small {
    font-size: 9px;
  }
  .strategy-grid,
  .pac-result-grid {
    grid-template-columns: 1fr;
  }
  .chart-legend {
    gap: 8px;
  }
  .section-heading-compact {
    display: block;
  }
  .section-heading-compact .button {
    margin-top: 18px;
  }
}

/* UX refresh: essentials first, optional controls second, decisions before details. */
.hero-inner {
  min-height: 455px;
}
.hero-note {
  min-width: 225px;
}
.hero-steps {
  display: grid;
  gap: 12px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
}
.hero-steps li {
  display: flex;
  align-items: center;
  gap: 11px;
  color: #d9e2ec;
  font-size: 11px;
}
.hero-steps b {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 7px;
  font-size: 9px;
}
.hero-steps li:not(:first-child) b {
  color: var(--accent);
  background: #173a58;
  border: 1px solid #37627f;
}
.journey-steps {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -9px 0 26px;
  color: var(--faint);
  font-size: 10px;
  font-weight: 800;
}
.journey-steps > i {
  width: 38px;
  height: 1px;
  background: var(--line);
}
.journey-step {
  display: flex;
  align-items: center;
  gap: 6px;
}
.journey-step b {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  color: var(--muted);
  background: var(--paper-deep);
  border-radius: 50%;
  font-size: 9px;
}
.journey-step-active {
  color: var(--ink);
}
.journey-step-active b {
  color: var(--ink);
  background: var(--accent);
}
.simulator-form {
  display: block;
}
.essentials-card {
  margin-bottom: 22px;
  padding: 23px 25px 19px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.essentials-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 21px;
}
.essentials-heading .icon-button {
  margin-left: auto;
}
.essentials-heading .eyebrow {
  margin-bottom: 4px;
}
.essentials-heading h3 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.04em;
}
.section-marker {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 9px;
  font-size: 11px;
  font-weight: 900;
}
.essential-fields {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 13px;
}
.essential-fields .field {
  margin: 0;
}
.essential-fields .field > span:first-child {
  color: var(--ink);
  font-size: 12px;
}
.essential-fields .field-control input {
  min-height: 52px;
  color: var(--ink);
  background: var(--paper);
  border-color: #c6d4e0;
  font-size: 18px;
}
.essential-fields .field-control b {
  font-size: 12px;
}
.essential-fields .field:first-child .field-control input {
  background: #f4f9e5;
  border-color: #dbeaa8;
}
.essentials-hint {
  margin-top: 14px;
}
.panel-caption {
  color: var(--faint);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.control-intro {
  margin: -3px 0 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}
.advanced-block {
  border-top: 1px solid var(--line);
}
.advanced-block:last-of-type {
  border-bottom: 1px solid var(--line);
}
.advanced-block summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 0;
  color: var(--ink);
  background: transparent;
  list-style: none;
  cursor: pointer;
}
.advanced-block summary::-webkit-details-marker {
  display: none;
}
.advanced-block summary > span {
  display: grid;
  grid-template-columns: 25px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 8px;
  text-align: left;
}
.summary-number {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  color: var(--muted);
  background: var(--paper-deep);
  border-radius: 7px;
  font-size: 9px;
}
.advanced-block[open] .summary-number {
  color: var(--ink);
  background: var(--accent);
}
.advanced-block summary strong {
  font-size: 12px;
}
.advanced-block summary small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
}
.summary-plus {
  color: var(--accent-dark);
  font-size: 19px;
  font-weight: 400;
  transition: transform 0.2s ease;
}
.advanced-block[open] .summary-plus {
  transform: none;
  font-size: 0;
}
.advanced-block[open] .summary-plus::before {
  content: "−";
  font-size: 19px;
}
.advanced-block .control-group {
  margin: 0 -22px;
  padding: 3px 22px 17px;
  border-top: 0;
}
.advanced-block .control-group-soft {
  margin: 0 -22px;
}
.advanced-block .control-group-accent {
  margin: 0 -22px;
}
.advanced-block .field {
  margin-bottom: 11px;
}
.advanced-block .field-control input,
.advanced-block .field select {
  min-height: 39px;
  font-size: 12px;
}
.advanced-block .field > span:first-child {
  font-size: 11px;
}
.advanced-block .field-hint {
  font-size: 10px;
}
.privacy-note {
  margin-top: 16px;
}
.primary-result {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 208px;
  margin-bottom: 13px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(16, 42, 67, 0.17);
}
.scenario-recap {
  margin-bottom: 13px;
  padding: 16px;
  background: #fffaf0;
  border: 1px solid #e3c777;
  border-left: 4px solid var(--accent);
  border-radius: 14px;
}
.recap-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 13px;
}
.recap-heading .eyebrow {
  margin-bottom: 4px;
}
.recap-heading h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.035em;
}
.recap-heading .text-button {
  flex: 0 0 auto;
  padding-top: 2px;
}
.recap-heading .text-button span {
  color: var(--accent-dark);
}
.recap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.recap-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-width: 0;
  padding: 10px 0;
  border-top: 1px solid #ead9ae;
}
.recap-item span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}
.recap-item strong {
  display: block;
  min-width: 0;
  margin-left: 12px;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.25;
  text-align: right;
}
.recap-item small {
  grid-column: 2;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.2;
  text-align: right;
}
.primary-result-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 27px 29px;
  background: radial-gradient(
    circle at 80% 10%,
    rgba(198, 241, 75, 0.14),
    transparent 35%
  );
}
.primary-result-copy::after {
  position: absolute;
  right: -27px;
  bottom: -37px;
  width: 114px;
  height: 114px;
  content: "";
  border: 1px solid rgba(198, 241, 75, 0.19);
  border-radius: 50%;
}
.primary-result-copy .eyebrow {
  margin-bottom: 8px;
}
.primary-result-copy h3 {
  margin-bottom: 14px;
  font-size: 17px;
  letter-spacing: -0.035em;
}
.primary-value {
  color: var(--accent);
  font-size: clamp(38px, 4.5vw, 53px);
  letter-spacing: -0.08em;
  line-height: 0.95;
}
.primary-result-copy p:last-child {
  margin: 11px 0 0;
  color: #9fb3c8;
  font-size: 10px;
}
.primary-result-side {
  display: grid;
  align-content: center;
  gap: 17px;
  padding: 27px 26px;
  background: rgba(255, 255, 255, 0.055);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}
.primary-result-side div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 14px;
  align-items: center;
}
.primary-result-side span {
  color: #9fb3c8;
  font-size: 10px;
}
.primary-result-side strong {
  color: var(--white);
  font-size: 20px;
  letter-spacing: -0.06em;
  text-align: right;
}
.primary-result-side small {
  grid-column: 1 / -1;
  color: #9fb3c8;
  font-size: 9px;
  text-align: right;
}
.result-secondary-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 13px;
}
.result-secondary-grid .metric-card {
  min-height: 113px;
}
.result-secondary-grid .metric-card strong {
  font-size: 23px;
}
.metric-card-tip {
  background: #f4f9e5;
  border-color: #e2efb7;
}
.metric-card-tip strong {
  color: var(--accent-dark);
}

@media (max-width: 1050px) {
  .essential-fields {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .hero-inner {
    min-height: auto;
  }
  .hero-note {
    min-width: 0;
  }
  .journey-steps {
    margin-top: -3px;
  }
  .journey-steps > i {
    flex: 1;
    width: auto;
  }
  .essentials-card {
    padding: 19px;
  }
  .essential-fields {
    grid-template-columns: 1fr 1fr;
  }
  .essential-fields .field-large {
    grid-column: 1 / -1;
  }
  .workspace {
    display: flex;
    flex-direction: column;
  }
  .results-area {
    order: 1;
    width: 100%;
  }
  .control-panel {
    order: 2;
    width: 100%;
  }
  .primary-result {
    grid-template-columns: 1fr;
  }
  .primary-result-side {
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 0;
  }
  .primary-result-side small {
    text-align: left;
  }
  .result-secondary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 440px) {
  .journey-steps {
    gap: 5px;
    font-size: 8px;
  }
  .journey-steps > i {
    min-width: 10px;
  }
  .journey-step {
    gap: 4px;
  }
  .journey-step b {
    width: 18px;
    height: 18px;
    font-size: 8px;
  }
  .essential-fields {
    grid-template-columns: 1fr;
  }
  .essential-fields .field-large {
    grid-column: auto;
  }
  .primary-result-copy {
    padding: 23px;
  }
  .primary-result-side {
    padding: 20px 23px;
  }
  .primary-value {
    font-size: 43px;
  }
  .result-secondary-grid {
    grid-template-columns: 1fr 1fr;
  }
  .result-secondary-grid .metric-card:last-child {
    grid-column: 1 / -1;
    min-height: 90px;
  }
}

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

/* Mobile-first layout and stable drawers. */
body {
  overflow-x: hidden;
}
[id] {
  scroll-margin-top: 120px;
}
.mobile-quick-nav {
  position: sticky;
  top: 66px;
  z-index: 15;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  background: rgba(247, 245, 240, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 5px 14px rgba(16, 42, 67, 0.06);
  backdrop-filter: blur(10px);
}
.mobile-quick-nav a {
  min-height: 44px;
  display: grid;
  place-items: center;
  padding: 8px 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}
.mobile-quick-nav a:hover,
.mobile-quick-nav a:focus-visible {
  color: var(--ink);
  background: rgba(244, 189, 63, 0.16);
  outline: 0;
}
.header-inner,
.hero-inner,
.app-section,
.saved-inner,
.guide-inner,
.site-footer {
  width: calc(100% - 24px);
}
.header-inner {
  min-height: 66px;
}
.brand small,
.main-nav {
  display: none;
}
.header-inner > .button {
  min-height: 44px;
  padding: 10px 12px;
}
.hero-inner {
  display: block;
  min-height: auto;
  padding: 54px 0 60px;
}
.hero-note {
  min-width: 0;
  margin-top: 44px;
}
.hero-actions {
  align-items: flex-start;
  flex-direction: column;
  gap: 18px;
}
.hero-actions .button {
  min-height: 48px;
}
h1 {
  font-size: clamp(42px, 13vw, 62px);
}
.app-section {
  padding: 55px 0 60px;
}
.section-heading {
  display: block;
}
.section-intro {
  margin-top: 15px;
}
.journey-steps {
  gap: 5px;
  margin-top: -3px;
  font-size: 10px;
}
.journey-steps > i {
  flex: 1;
  width: auto;
  min-width: 10px;
}
.journey-step {
  gap: 4px;
}
.journey-step b {
  width: 22px;
  height: 22px;
  font-size: 9px;
}
.essentials-card {
  padding: 19px;
}
.essential-fields {
  grid-template-columns: 1fr;
}
.essential-fields .field-large {
  grid-column: auto;
}
.workspace {
  display: flex;
  flex-direction: column;
}
.control-panel {
  order: 1;
  width: 100%;
  position: static;
  margin-bottom: 28px;
}
.results-area {
  order: 2;
  width: 100%;
}
.icon-button {
  width: 44px;
  height: 44px;
}
.primary-result {
  grid-template-columns: 1fr;
}
.primary-result-copy {
  padding: 23px;
}
.primary-result-side {
  grid-template-columns: 1fr 1fr;
  padding: 20px 23px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 0;
}
.primary-result-side small {
  text-align: left;
}
.primary-value {
  font-size: 43px;
}
.result-secondary-grid {
  grid-template-columns: 1fr 1fr;
}
.result-secondary-grid .metric-card:last-child {
  grid-column: 1 / -1;
  min-height: 90px;
}
.strategy-grid,
.pac-result-grid {
  grid-template-columns: 1fr;
}
.advanced-block .field-control input,
.advanced-block .field select {
  min-height: 46px;
}
.field-control input,
.field select,
.advanced-block .field-control input,
.advanced-block .field select {
  font-size: 16px;
}
.metric-card small,
.strategy-stats dt {
  font-size: 11px;
}
.panel-description {
  font-size: 12px;
  line-height: 1.5;
}
.table-scroll {
  -webkit-overflow-scrolling: touch;
}
.skip-to-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  margin-top: 13px;
  padding: 10px 12px;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 11px;
  font-weight: 800;
}
.skip-to-result span {
  color: var(--accent-dark);
  font-size: 15px;
}
.skip-to-result:hover,
.skip-to-result:focus-visible {
  color: var(--ink);
  background: #fff8e6;
  border-color: #e3c777;
  outline: 0;
}
.chart-legend {
  flex-wrap: wrap;
  gap: 8px;
}
.section-heading-compact {
  display: block;
}
.section-heading-compact .button {
  margin-top: 18px;
}
.saved-section {
  padding: 55px 0 60px;
}
.saved-list,
.saved-compare-grid,
.guide-grid {
  grid-template-columns: 1fr;
}
.guide-card {
  min-height: auto;
}
.guide-number {
  margin-bottom: 22px;
}
.guide-inner {
  padding: 55px 0 60px;
}
.site-footer {
  display: block;
  padding: 22px 0;
}
.site-footer div + div {
  margin-top: 8px;
}

/* A drawer owns its body: no negative margins, no layout spill, no clipped labels. */
.advanced-block {
  display: block;
  margin: 0 0 9px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.advanced-block:last-of-type {
  border-bottom: 1px solid var(--line);
}
.advanced-block summary {
  min-height: 61px;
  margin: 0;
  padding: 12px 14px;
}
.advanced-block[open] summary {
  border-bottom: 1px solid var(--line);
}
.advanced-block-accent {
  background: #fffaf0;
}
.advanced-block-accent summary {
  background: #fff7e1;
}
.advanced-block-accent[open] {
  border-color: #e3c777;
}
.advanced-block-soft {
  background: #f5f8fb;
}
.advanced-block-soft summary {
  background: #eef4f8;
}
.advanced-block-soft[open] {
  border-color: #c8dae7;
}
.advanced-block .control-group,
.advanced-block .control-group-soft,
.advanced-block .control-group-accent {
  margin: 0;
  padding: 14px 14px 16px;
  border: 0;
  background: transparent;
}
.advanced-block .field-divider {
  background: #ead9ae;
}
.advanced-block-soft .field-divider {
  background: #d5e3ec;
}
.advanced-block .field-control input,
.advanced-block .field select {
  background: rgba(255, 255, 255, 0.72);
}
.advanced-block .inline-action {
  color: var(--accent-dark);
}
.advanced-block .inline-action:hover {
  color: var(--ink);
}
.metric-card-tip {
  background: #fff8e6;
  border-color: #f0d891;
}
.metric-card-tip strong {
  color: var(--accent-dark);
}
.saved-card-selected {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 2px rgba(138, 90, 0, 0.14);
}

/* WCAG AA text treatment: color carries hierarchy, not low-contrast decoration. */
.panel-caption {
  color: var(--muted);
}
.advanced-block summary,
.advanced-block summary strong {
  color: var(--ink);
}
.advanced-block summary small {
  color: var(--muted);
}
.advanced-block summary > span,
.advanced-block summary strong,
.advanced-block summary small {
  transform: none;
  writing-mode: horizontal-tb;
}
.advanced-block .summary-number {
  color: var(--ink-soft);
}
.advanced-block .summary-plus {
  color: var(--ink-soft);
}
.advanced-block .inline-action {
  color: var(--ink-soft);
}
.advanced-block .inline-action span {
  color: var(--accent-dark);
}

/* Secondary information stays available without competing with the quick result. */
.deep-dive {
  display: block;
  margin-bottom: 17px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.deep-dive > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 68px;
  padding: 13px 15px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.deep-dive > summary::-webkit-details-marker {
  display: none;
}
.deep-dive > summary > span {
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 8px;
  min-width: 0;
}
.deep-dive > summary strong {
  color: var(--ink);
  font-size: 12px;
}
.deep-dive > summary small {
  color: var(--muted);
  font-size: 10px;
}
.deep-dive .summary-number {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  color: var(--ink-soft);
  background: var(--paper-deep);
  border-radius: 7px;
  font-size: 9px;
}
.deep-dive .summary-plus {
  color: var(--ink-soft);
  font-size: 19px;
}
.deep-dive[open] {
  border-color: #c8dae7;
}
.deep-dive[open] > summary {
  background: #eef4f8;
  border-bottom: 1px solid var(--line);
}
.deep-dive[open] .summary-number {
  color: var(--ink);
  background: var(--accent);
}
.deep-dive[open] .summary-plus {
  transform: none;
  font-size: 0;
}
.deep-dive[open] .summary-plus::before {
  content: "−";
  font-size: 19px;
}
.deep-dive-content {
  padding: 12px;
  background: #f8fafb;
}
.deep-dive-content .panel {
  margin-bottom: 12px;
}
.deep-dive-content .panel:last-child {
  margin-bottom: 0;
}

@media (min-width: 781px) {
  .mobile-quick-nav {
    display: none;
  }
  [id] {
    scroll-margin-top: 84px;
  }
  .header-inner,
  .hero-inner,
  .app-section,
  .saved-inner,
  .guide-inner,
  .site-footer {
    width: min(1240px, calc(100% - 48px));
  }
  .header-inner {
    min-height: 76px;
  }
  .header-inner > .button {
    min-height: 0;
  }
  .brand small,
  .main-nav {
    display: block;
  }
  .main-nav {
    display: flex;
  }
  .hero-inner {
    display: flex;
    min-height: 455px;
    padding: 78px 0 90px;
  }
  .hero-note {
    align-self: flex-end;
    min-width: 225px;
    margin-top: 0;
  }
  .hero-actions {
    align-items: center;
    flex-direction: row;
    gap: 25px;
  }
  h1 {
    font-size: clamp(42px, 6vw, 76px);
  }
  .app-section {
    padding: 78px 0 82px;
  }
  .section-heading {
    display: flex;
  }
  .section-intro {
    margin-top: 0;
  }
  .journey-steps {
    gap: 10px;
    margin-top: -9px;
    font-size: 10px;
  }
  .journey-steps > i {
    flex: 0 0 38px;
    width: 38px;
  }
  .journey-step {
    gap: 6px;
  }
  .journey-step b {
    width: 21px;
    height: 21px;
    font-size: 9px;
  }
  .essentials-card {
    padding: 23px 25px 19px;
  }
  .essential-fields {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .essential-fields .field-large {
    grid-column: auto;
  }
  .workspace {
    display: grid;
    grid-template-columns: 315px minmax(0, 1fr);
    align-items: start;
    gap: 31px;
  }
  .results-area {
    order: initial;
    width: auto;
  }
  .control-panel {
    order: initial;
    width: auto;
    position: sticky;
    top: 101px;
    margin-bottom: 0;
  }
  .primary-result {
    grid-template-columns: 1.1fr 1fr;
  }
  .recap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .recap-item {
    display: block;
    padding: 4px 12px;
    border-top: 0;
    border-left: 1px solid #ead9ae;
  }
  .recap-item:first-child {
    padding-left: 0;
    border-left: 0;
  }
  .recap-item strong {
    margin: 4px 0 0;
    text-align: left;
  }
  .recap-item small {
    display: block;
    margin-top: 3px;
    text-align: left;
  }
  .primary-result-copy {
    padding: 27px 29px;
  }
  .primary-result-side {
    grid-template-columns: 1fr;
    padding: 27px 26px;
    border-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
  }
  .primary-result-side small {
    text-align: right;
  }
  .primary-value {
    font-size: clamp(38px, 4.5vw, 53px);
  }
  .result-secondary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .result-secondary-grid .metric-card:last-child {
    grid-column: auto;
    min-height: 113px;
  }
  .deep-dive-content {
    padding: 17px;
  }
  .strategy-grid,
  .pac-result-grid {
    grid-template-columns: 1fr 1fr;
  }
  .chart-legend {
    flex-wrap: nowrap;
  }
  .section-heading-compact {
    display: flex;
  }
  .section-heading-compact .button {
    margin-top: 0;
  }
  .saved-section {
    padding: 73px 0 82px;
  }
  .saved-list,
  .saved-compare-grid,
  .guide-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .guide-card {
    min-height: 200px;
  }
  .guide-number {
    margin-bottom: 36px;
  }
  .guide-inner {
    padding: 77px 0 79px;
  }
  .site-footer {
    display: flex;
    padding: 0;
  }
  .site-footer div + div {
    margin-top: 0;
  }
}

@media (min-width: 781px) and (max-width: 1050px) {
  .workspace {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 20px;
  }
}

.essential-fields .field-control input[type="number"] {
  padding-right: 58px;
  appearance: auto;
  -webkit-appearance: auto;
}
.essential-fields
  .field-control-spinner
  input[type="number"]::-webkit-inner-spin-button,
.essential-fields
  .field-control-spinner
  input[type="number"]::-webkit-outer-spin-button {
  appearance: none;
}
.essential-fields .field-control > b {
  right: 34px;
  z-index: 1;
  pointer-events: none;
}
.field-control-spinner {
  position: relative;
}
.input-spinner {
  position: absolute;
  top: 50%;
  right: 5px;
  z-index: 2;
  display: flex;
  width: 24px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
  transform: translateY(-50%);
}
.input-spinner button {
  display: grid;
  width: 24px;
  height: 17px;
  padding: 0;
  place-items: center;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  border-radius: 4px;
}
.input-spinner svg {
  width: 10px;
  height: 6px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}
.input-spinner button:hover,
.input-spinner button:focus-visible {
  color: var(--ink);
  background: rgba(244, 189, 63, 0.28);
  outline: 0;
}