:root {
  --background: #f8fafc;
  --surface: #ffffff;
  --surface-muted: #f1f5f9;
  --text-main: #0f172a;
  --text-secondary: #475569;
  --border: #d7e1ea;
  --primary: #0f766e;
  --primary-hover: #115e59;
  --primary-soft: #ecfdf5;
  --link: #1d4ed8;
  --warning-text: #b45309;
  --warning-bg: #fff7ed;
  --error-text: #b91c1c;
  --error-bg: #fef2f2;
  --success-text: #166534;
  --success-bg: #f0fdf4;
  --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-result: 0 14px 36px rgba(15, 118, 110, 0.1);
  --radius-card: 18px;
  --radius-input: 12px;
  --radius-pill: 999px;
  --page-width: 1200px;
  --text-width: 760px;
}

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

html {
  font-family: "Public Sans", Arial, Helvetica, sans-serif;
  background: var(--background);
  color: var(--text-main);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.08), transparent 28%),
    var(--background);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #1e40af;
}

img {
  max-width: 100%;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(215, 225, 234, 0.9);
}

.site-header__inner,
.site-footer__inner {
  width: min(100% - 40px, var(--page-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header__inner {
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  text-decoration: none;
}

.brand__mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-soft), #dff5f1);
  color: var(--primary);
  font-weight: 700;
}

.brand__text strong {
  display: block;
  font-size: 15px;
}

.brand__text span {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  background: var(--surface-muted);
  color: var(--text-main);
}

.hero,
.page-hero {
  padding: 72px 0 24px;
}

.hero__kicker,
.page-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
}

h1,
h2,
h3 {
  margin: 0 0 14px;
  line-height: 1.18;
}

h1 {
  font-size: 44px;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

.lead {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 720px;
}

.trust-note {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-secondary);
}

.hero-card,
.card,
.content-card,
.faq-card,
.calculator-panel,
.result-card,
.note-strip,
.ad-slot,
.section-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.hero-card,
.content-card,
.card,
.faq-card,
.calculator-panel,
.result-card,
.section-panel {
  padding: 24px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button,
button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  text-decoration: none;
}

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

.button--primary:hover,
button:hover,
.button-link:hover {
  background: var(--primary-hover);
  color: #fff;
}

.button--secondary {
  background: var(--surface);
  color: var(--text-main);
  border-color: var(--border);
}

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

.section {
  padding: 36px 0 44px;
}

.section--spacious {
  padding: 56px 0 80px;
}

.card-grid {
  display: grid;
  gap: 24px;
}

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

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  background: var(--surface-muted);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.card p,
.content-card p,
.faq-card p,
.section-panel p {
  color: var(--text-secondary);
}

.stat-list,
.feature-list,
.simple-list,
.meta-list,
.related-links {
  margin: 0;
  padding-left: 20px;
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 24px;
  align-items: start;
}

.result-card {
  position: sticky;
  top: 96px;
  box-shadow: var(--shadow-result);
  border-color: rgba(15, 118, 110, 0.18);
}

.result-card__eyebrow {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.result-card__value {
  display: block;
  margin: 12px 0 8px;
  font-size: 36px;
  line-height: 1.15;
  font-weight: 700;
}

.result-card__copy {
  margin: 0 0 18px;
  color: var(--text-secondary);
}

.result-grid {
  display: grid;
  gap: 10px;
}

.result-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.result-row span {
  color: var(--text-secondary);
}

.note-strip {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--warning-bg);
  color: var(--warning-text);
  border-color: rgba(180, 83, 9, 0.18);
}

.note-strip--neutral {
  background: var(--surface-muted);
  color: var(--text-secondary);
  border-color: var(--border);
}

.form-grid {
  display: grid;
  gap: 18px;
}

.field-group {
  display: grid;
  gap: 18px;
}

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

label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.hint {
  display: block;
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border-radius: var(--radius-input);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
  font: inherit;
}

textarea {
  padding: 14px;
  min-height: 120px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(29, 78, 216, 0.15);
  border-color: var(--link);
}

.input-shell {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.7);
}

.metrics {
  display: grid;
  gap: 14px;
}

.metric {
  padding: 18px;
  border-radius: 16px;
  background: var(--surface-muted);
}

.metric strong {
  display: block;
  font-size: 26px;
  line-height: 1.15;
}

.faq-list {
  display: grid;
  gap: 16px;
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  padding: 0 22px;
}

summary {
  cursor: pointer;
  padding: 20px 0;
  font-weight: 600;
  list-style: none;
}

details > div {
  padding: 0 0 20px;
  color: var(--text-secondary);
}

.ad-slot {
  padding: 20px;
  text-align: center;
  color: var(--text-secondary);
  background: linear-gradient(180deg, #ffffff, #f8fbfd);
  border-style: dashed;
}

.site-footer {
  padding: 36px 0 52px;
  border-top: 1px solid rgba(215, 225, 234, 0.9);
  background: rgba(255, 255, 255, 0.65);
}

.site-footer__grid {
  display: grid;
  gap: 24px;
}

.fine-print {
  font-size: 13px;
  color: var(--text-secondary);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

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

.centered-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 18px 0 0;
}

.planner-break-card,
.planner-month-card {
  display: grid;
  gap: 14px;
}

.planner-break-card__title {
  margin-bottom: 0;
}

.planner-break-card__dates {
  margin: 0;
  color: var(--text-main);
  font-weight: 600;
}

.planner-break-card__list,
.planner-month-card__list {
  color: var(--text-secondary);
}

@media (max-width: 1023px) {
  .hero__grid,
  .card-grid--three,
  .card-grid--two,
  .calculator-layout,
  .field-row {
    grid-template-columns: 1fr;
  }

  .result-card {
    position: static;
  }
}

@media (max-width: 767px) {
  .container,
  .text-container,
  .site-header__inner,
  .site-footer__inner {
    width: min(100% - 24px, var(--page-width));
  }

  .site-header__inner,
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  .site-nav {
    width: 100%;
  }

  h1 {
    font-size: 34px;
  }

  .hero,
  .page-hero {
    padding-top: 44px;
  }

  .hero-card,
  .content-card,
  .card,
  .faq-card,
  .calculator-panel,
  .result-card,
  .section-panel {
    padding: 20px;
  }
}