:root {
  --bg: #f5f7f4;
  --surface: #ffffff;
  --surface-soft: #f9fbf8;
  --surface-strong: #edf4ef;
  --dark: #101713;
  --dark-raised: #17211b;
  --text: #101713;
  --text-soft: #4b5c52;
  --text-muted: #748279;
  --border: #d8e3da;
  --border-strong: #bccfc2;
  --accent: #1f8f55;
  --accent-deep: #176d43;
  --accent-soft: rgba(31, 143, 85, 0.1);
  --blue: #24798d;
  --shadow: 0 18px 44px rgba(16, 23, 19, 0.075);
  --radius-card: 8px;
  --radius-input: 8px;
  --radius-pill: 999px;
  --container: 1120px;
  --font-ui: "Hanken Grotesk", Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  --font-data: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at 82% 0%, rgba(47, 143, 91, 0.08), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, #ffffff 48%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

[hidden] {
  display: none !important;
}

.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;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(37, 191, 214, 0.58);
  outline-offset: 3px;
}

.page-shell {
  min-height: 100vh;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner,
.footer-inner {
  width: min(100% - 40px, calc(var(--container) + 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo-link,
.footer-logo-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img,
.footer-logo-img {
  height: 52px;
  width: auto;
  max-width: 260px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.header-nav-link {
  position: relative;
  padding: 10px 0;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 780;
  white-space: nowrap;
}

.header-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: transparent;
}

.header-nav-link:hover,
.header-nav-link:focus-visible,
.header-nav-link[aria-current="page"] {
  color: var(--text);
}

.header-nav-link[aria-current="page"]::after {
  background: var(--accent);
}

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-soft);
}

.menu-button-box {
  width: 17px;
  height: 14px;
  display: grid;
  align-content: space-between;
}

.menu-button-line {
  display: block;
  width: 17px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mobile-menu {
  padding: 12px 20px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.mobile-menu-nav {
  display: grid;
  gap: 10px;
}

.mobile-menu-link {
  min-height: 46px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-soft);
  font-weight: 800;
}

.planner-hero {
  padding: clamp(28px, 5vw, 52px) 20px clamp(24px, 4vw, 40px);
}

.planner-shell {
  width: min(100%, var(--container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.planner-copy {
  display: contents;
}

.planner-intro {
  grid-column: 1 / -1;
  display: grid;
  gap: 14px;
  padding-top: 6px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--accent-deep);
}

.breadcrumb-separator {
  color: var(--border-strong);
}

.eyebrow,
.section-kicker,
.result-label {
  color: var(--accent-deep);
  font-family: var(--font-data);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.calculator-title {
  max-width: 980px;
  color: var(--text);
  font-size: clamp(2.6rem, 5.6vw, 5rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.calculator-subtitle {
  max-width: 700px;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.48;
  font-weight: 650;
}

.input-panel,
.scenario-panel,
.result-card,
.content-card,
.projection-card,
.table-card,
.faq-item,
.related-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.input-panel {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  gap: 20px;
  padding: clamp(18px, 3vw, 28px);
}

.panel-heading,
.section-heading,
.projection-head {
  display: grid;
  gap: 8px;
}

.panel-heading h2,
.section-heading h2,
.projection-head h2,
.content-card h2,
.faq-title {
  color: var(--text);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.12;
}

.panel-heading p,
.section-heading p,
.content-card p,
.faq-answer p,
.related-card p {
  color: var(--text-soft);
  font-size: 0.98rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-block {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.field-block--full {
  grid-column: 1 / -1;
}

.field-block label {
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 850;
}

.input-shell {
  min-height: 54px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  background: #fff;
  padding: 0 16px;
}

.input-shell--suffix {
  grid-template-columns: minmax(0, 1fr) auto;
}

.currency-prefix,
.input-suffix {
  color: var(--text-muted);
  font-weight: 850;
}

input,
select {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  background: #fff;
  color: var(--text);
  padding: 0 16px;
  font-weight: 800;
}

.input-shell input {
  min-height: auto;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.input-shell input:focus-visible {
  outline: 0;
}

.input-shell:focus-within,
input:focus-visible,
select:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(31, 143, 85, 0.12);
}

.scenario-panel {
  grid-column: 1;
  grid-row: 3;
  padding: clamp(18px, 3vw, 24px);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.scenario-card {
  display: grid;
  gap: 8px;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface-soft);
  padding: 14px;
  color: var(--text);
}

.scenario-card span {
  color: var(--accent-deep);
  font-family: var(--font-data);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scenario-card strong {
  font-size: 1rem;
  line-height: 1.2;
}

.scenario-card em {
  color: var(--text-soft);
  font-style: normal;
  font-size: 0.9rem;
}

.scenario-card.is-active {
  border-color: rgba(31, 143, 85, 0.42);
  background: #f2f8f4;
  box-shadow: inset 0 0 0 1px rgba(31, 143, 85, 0.1);
}

.result-card {
  grid-column: 2;
  grid-row: 2;
  position: static;
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3vw, 30px);
  background:
    radial-gradient(circle at 16% 4%, rgba(47, 143, 91, 0.18), transparent 34%),
    linear-gradient(180deg, var(--dark-raised) 0%, var(--dark) 100%);
  color: #f7fbf7;
  border-color: rgba(126, 158, 137, 0.26);
}

.result-card .result-label {
  color: rgba(247, 251, 247, 0.7);
}

.result-value {
  color: #80dfa3;
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
}

.result-sentence,
.result-note {
  color: rgba(247, 251, 247, 0.75);
  font-size: 1rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.kpi-card {
  display: grid;
  gap: 6px;
  min-width: 0;
  border: 1px solid rgba(185, 207, 193, 0.16);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.045);
  padding: 14px;
}

.kpi-card span {
  color: rgba(247, 251, 247, 0.6);
  font-family: var(--font-data);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kpi-card strong {
  color: #ffffff;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.15;
}

.progress-panel {
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(185, 207, 193, 0.16);
  padding-top: 14px;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: rgba(247, 251, 247, 0.76);
  font-size: 0.9rem;
  font-weight: 800;
}

.progress-track {
  height: 12px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
}

.progress-fill {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5edb8e, #2f9a60);
}

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

.action-button {
  min-height: 46px;
  border: 1px solid rgba(185, 207, 193, 0.28);
  border-radius: var(--radius-input);
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  padding: 0 16px;
  font-weight: 850;
}

.action-button--primary {
  border-color: transparent;
  background: #69df91;
  color: #0d1711;
}

.action-status {
  min-height: 1.2em;
  color: rgba(247, 251, 247, 0.72);
  font-size: 0.9rem;
}

.result-reading-section,
.content-section {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.result-reading-section {
  padding: clamp(20px, 4vw, 38px) 0 0;
}

.result-reading-panel {
  display: grid;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfa 100%);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 24px);
}

.result-reading-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.result-reading-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: #ffffff;
  padding: 14px;
}

.result-reading-card span {
  color: var(--accent-deep);
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-reading-card p {
  color: var(--text-soft);
  font-size: 0.94rem;
}

.content-section {
  display: grid;
  gap: 18px;
  padding: clamp(28px, 5vw, 48px) 0;
}

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

.content-card,
.related-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(18px, 3vw, 24px);
}

.content-card a,
.related-card a {
  color: var(--accent-deep);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.projection-card,
.table-card {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 3vw, 24px);
}

.projection-head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot,
.legend-line {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 50%;
  background: var(--accent);
}

.legend-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
}

.chart-wrap,
.table-wrap {
  overflow: auto;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  background: var(--surface-soft);
}

.projection-chart {
  width: 100%;
  min-height: 280px;
}

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

.projection-table th,
.projection-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  text-align: right;
  white-space: nowrap;
}

.projection-table th:first-child,
.projection-table td:first-child {
  text-align: left;
}

.projection-table th {
  background: #f4f8f5;
  color: var(--text-soft);
  font-family: var(--font-data);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.projection-table td {
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.projection-table tr:last-child td {
  border-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0 18px;
  text-align: left;
  font-weight: 850;
}

.faq-icon {
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  inset: 8px 1px auto;
  height: 2px;
  background: var(--accent);
}

.faq-icon::after {
  transform: rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: rotate(0deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.2s ease;
}

.faq-question[aria-expanded="true"] + .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
  padding: 0 18px;
}

.faq-answer p {
  padding: 0 0 18px;
}

.site-footer {
  margin-top: 36px;
  border-top: 1px solid var(--border);
  background: #ffffff;
}

.footer-inner {
  padding: 34px 0;
  display: flex;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand {
  display: grid;
  gap: 12px;
  max-width: 360px;
}

.footer-copy {
  color: var(--text-soft);
}

.footer-link-groups {
  display: flex;
  gap: 44px;
}

.footer-link-group {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-link-heading {
  color: var(--text);
  font-size: 0.92rem;
}

.footer-link-group a {
  color: var(--text-soft);
  font-weight: 700;
}

@media (max-width: 920px) {
  .planner-shell {
    grid-template-columns: 1fr;
  }

  .planner-intro,
  .input-panel,
  .scenario-panel,
  .result-card {
    grid-column: 1;
    grid-row: auto;
    position: static;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .footer-inner,
  .result-reading-section,
  .content-section {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    min-height: 72px;
  }

  .header-nav {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .logo-img,
  .footer-logo-img {
    height: 46px;
    max-width: 210px;
  }

  .calculator-title {
    font-size: clamp(2.25rem, 11vw, 3rem);
  }

  .field-grid,
  .scenario-grid,
  .kpi-grid,
  .result-reading-grid,
  .content-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .projection-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-inner,
  .footer-link-groups {
    display: grid;
  }
}

@media (max-width: 520px) {
  .planner-hero {
    padding-left: 14px;
    padding-right: 14px;
  }

  .result-actions,
  .action-button {
    width: 100%;
  }
}