:root {
  --bg: #f3efe5;
  --bg-soft: #fffdf8;
  --panel: #ffffff;
  --panel-strong: #f8f3e7;
  --text: #183229;
  --muted: #52665e;
  --line: #d6d1c4;
  --accent: #0e7a66;
  --accent-dark: #085d4d;
  --accent-soft: #d8f1ea;
  --warning: #9a4d10;
  --success: #155d4b;
  --danger: #9a2d31;
  --shadow: 0 20px 40px rgba(24, 50, 41, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
  --font-stack: "Segoe UI", "Avenir Next", "Helvetica Neue", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(14, 122, 102, 0.12), transparent 32%),
    linear-gradient(180deg, #f8f4ea 0%, #f2ede2 100%);
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--text);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  z-index: 1000;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  padding: 2rem 0 1rem;
}

.hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.hero-copy,
.callout,
.panel,
.site-footer {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.hero-copy {
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  margin-bottom: 1rem;
}

.hero-text,
.section-heading p,
.help-text,
.details-list,
.footer-inner p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  border: 2px solid transparent;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button:focus-visible,
input:focus-visible,
.scenario-pill input:focus-visible + span,
.tooltip-trigger:focus-visible {
  outline: 3px solid rgba(14, 122, 102, 0.25);
  outline-offset: 2px;
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-dark);
}

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

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.disclaimer-card {
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(154, 77, 16, 0.2);
}

.disclaimer-card h2 {
  font-size: 1.1rem;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1.1fr);
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.panel {
  border-radius: 28px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.section-heading {
  margin-bottom: 1.25rem;
}

.scenario-switcher {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 0 0 1.5rem;
  background: var(--panel-strong);
}

.scenario-switcher legend {
  padding: 0 0.4rem;
  font-weight: 700;
}

.scenario-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.scenario-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.scenario-pill span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 2px solid var(--line);
  min-width: 8rem;
  background: #fff;
  font-weight: 600;
  cursor: pointer;
}

.scenario-pill input:checked + span {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-weight: 700;
}

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.9rem;
  background: #fff;
  color: var(--text);
}

.field input[aria-invalid="true"] {
  border-color: var(--danger);
  background: #fff4f4;
}

.error-message {
  margin: 0;
  min-height: 1.1rem;
  color: var(--danger);
  font-size: 0.92rem;
}

.help-text {
  margin: 0;
  font-size: 0.92rem;
}

.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.25rem;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--accent-dark);
  cursor: help;
  font-size: 0.85rem;
  vertical-align: middle;
}

.assumptions-card,
.summary-card,
.status-card,
.chart-card,
.comparison-card,
.details-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: var(--bg-soft);
}

.assumptions-grid,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.assumptions-grid .label {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.summary-card h3,
.status-card h3,
.chart-card h3,
.comparison-card h3,
.details-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.summary-value {
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0;
}

.status-card {
  margin-bottom: 1rem;
}

.status-card.on-track {
  background: #eef9f4;
  border-color: rgba(21, 93, 75, 0.25);
}

.status-card.needs-attention {
  background: #fff4eb;
  border-color: rgba(154, 77, 16, 0.25);
}

.chart-wrap {
  position: relative;
  width: 100%;
  overflow-x: auto;
}

#projectionChart {
  width: 100%;
  height: auto;
  display: block;
  background:
    linear-gradient(180deg, rgba(14, 122, 102, 0.04), rgba(14, 122, 102, 0)),
    #fff;
  border-radius: 14px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  text-align: left;
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--line);
}

th {
  font-size: 0.92rem;
  color: var(--muted);
}

.scenario-badge {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}

.scenario-badge.conservative {
  background: #efe8d7;
}

.scenario-badge.moderate {
  background: var(--accent-soft);
}

.scenario-badge.optimistic {
  background: #dbe6fa;
}

.details-list {
  margin: 0;
  padding-left: 1.2rem;
}

.site-footer {
  margin: 0 0 2rem;
  border-radius: 24px;
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.tooltip {
  position: fixed;
  max-width: 18rem;
  padding: 0.6rem 0.75rem;
  background: var(--text);
  color: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 1000;
}

.tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 980px) {
  .hero,
  .main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .form-grid,
  .summary-grid,
  .assumptions-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .panel {
    padding: 1.2rem;
  }

  .scenario-options {
    flex-direction: column;
  }

  .scenario-pill span,
  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media print {
  body {
    background: #fff;
  }

  .hero-actions,
  .tooltip-trigger,
  .skip-link,
  .site-footer {
    display: none !important;
  }

  .hero-copy,
  .callout,
  .panel,
  .assumptions-card,
  .summary-card,
  .status-card,
  .chart-card,
  .comparison-card,
  .details-card {
    box-shadow: none;
    background: #fff;
    backdrop-filter: none;
  }

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