:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #1b2428;
  --muted: #5d6a70;
  --line: #d8ded7;
  --blue: #245c88;
  --blue-dark: #173f61;
  --green: #217756;
  --amber: #a35f00;
  --red: #9c3f3f;
  --shadow: 0 18px 42px rgba(27, 36, 40, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 245, 239, 0.92);
  border-bottom: 1px solid rgba(216, 222, 215, 0.8);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  font-size: 0.78rem;
  letter-spacing: 0;
}

.top-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.top-nav a,
.site-footer a {
  text-decoration: none;
}

.top-nav a:hover,
.site-footer a:hover {
  color: var(--ink);
}

.tool-shell {
  padding: clamp(22px, 4vw, 48px) clamp(18px, 4vw, 56px) 56px;
}

.intro-panel {
  max-width: 1060px;
  margin: 0 auto 24px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 840px;
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.42rem, 2vw, 2.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.lede {
  max-width: 760px;
  margin: 18px 0 18px;
  color: var(--muted);
  font-size: 1.06rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
  padding: 7px 11px;
  font-size: 0.88rem;
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.08fr) minmax(300px, 0.92fr);
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.panel,
.action-panel,
.recommendation-card,
.policy-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: clamp(18px, 3vw, 28px);
}

.panel-heading {
  margin-bottom: 20px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

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

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid #cbd5cf;
  border-radius: 6px;
  background: var(--surface-strong);
  color: var(--ink);
  padding: 10px 12px;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(36, 92, 136, 0.26);
  outline-offset: 2px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  padding: 10px 16px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 750;
  text-align: center;
  text-decoration: none;
}

.primary-button {
  background: var(--blue);
  color: white;
}

.primary-button:hover {
  background: var(--blue-dark);
}

.secondary-button {
  background: var(--surface-strong);
  border-color: #bac7c0;
  color: var(--ink);
}

.secondary-button:hover {
  border-color: var(--blue);
  color: var(--blue-dark);
}

.full-button {
  width: 100%;
}

.small-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-block {
  min-height: 110px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 15px;
}

.metric-block span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.metric-block strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  line-height: 1;
  letter-spacing: 0;
}

.metric-block.accent strong {
  color: var(--green);
}

.chart-wrap {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.chart-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.bar-track {
  height: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6ebe7;
}

.bar {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  transition: width 180ms ease;
}

.bar.manual {
  background: var(--amber);
}

.bar.savings {
  background: var(--green);
}

.payback-box {
  margin-top: 20px;
  border-left: 4px solid var(--green);
  background: #eff8f1;
  padding: 15px;
}

.payback-box p {
  margin: 0;
}

.section-band {
  padding: 58px clamp(18px, 4vw, 56px);
  background: #eef2ec;
  border-top: 1px solid rgba(216, 222, 215, 0.85);
}

.section-band.light {
  background: var(--bg);
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.76fr) minmax(320px, 1.24fr);
  gap: 26px;
  align-items: start;
}

.body-copy {
  max-width: 680px;
  margin: 12px 0 0;
  color: var(--muted);
}

.recommendation-list {
  display: grid;
  gap: 12px;
}

.recommendation-card {
  padding: 16px;
  box-shadow: none;
}

.recommendation-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.recommendation-card p {
  margin: 10px 0 12px;
  color: var(--muted);
}

.score-pill {
  flex: 0 0 auto;
  border-radius: 999px;
  background: #e6f1eb;
  color: var(--green);
  padding: 5px 9px;
  font-size: 0.82rem;
  font-weight: 800;
}

.recommendation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recommendation-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--muted);
  font-size: 0.82rem;
}

.recommendation-card a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--blue);
  font-weight: 750;
  text-decoration: none;
}

.recommendation-card a:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

.cta-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.1fr) repeat(3, minmax(220px, 0.9fr));
  gap: 16px;
  align-items: stretch;
}

.action-panel {
  padding: 18px;
  box-shadow: none;
}

.action-panel p {
  margin: 0 0 16px;
  color: var(--muted);
}

.email-panel .field {
  margin-bottom: 12px;
}

.hidden-field {
  display: none;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.policy-main {
  padding: clamp(28px, 5vw, 64px) clamp(18px, 4vw, 56px);
}

.policy-panel {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(22px, 4vw, 42px);
}

.policy-panel h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.policy-panel h2 {
  margin-top: 26px;
  font-size: 1.28rem;
}

.policy-panel p,
.policy-panel li {
  color: var(--muted);
}

.policy-panel ul {
  padding-left: 20px;
}

.report-table {
  width: 100%;
  margin-top: 18px;
  border-collapse: collapse;
}

.report-table th,
.report-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 8px;
  text-align: left;
  vertical-align: top;
}

.report-table th {
  color: var(--ink);
  font-size: 0.9rem;
}

.report-table td {
  color: var(--muted);
}

@media (max-width: 960px) {
  .calculator-layout,
  .split,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .intro-panel {
    margin-bottom: 18px;
  }
}

@media (max-width: 680px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav,
  .site-footer nav {
    gap: 12px;
  }

  .field-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .chart-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .form-actions .primary-button,
  .form-actions .secondary-button {
    width: 100%;
  }

  .recommendation-card header {
    display: grid;
  }
}