:root {
  --bg: #f6f1e8;
  --bg-muted: #ede5d8;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #fffdf8;
  --text: #1f2a2d;
  --text-soft: #526066;
  --line: rgba(31, 42, 45, 0.14);
  --accent: #0f5f73;
  --accent-soft: #d9edf1;
  --accent-warm: #b8652c;
  --shadow: 0 18px 50px rgba(31, 42, 45, 0.08);
  --radius: 18px;
  --shell: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 95, 115, 0.08), transparent 34%),
    linear-gradient(180deg, #faf6ef 0%, var(--bg) 100%);
  line-height: 1.6;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

h1, h2, h3 {
  font-family: "Fraunces", serif;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: 1.4rem;
}

p {
  margin: 0 0 1rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(250, 246, 239, 0.82);
  border-bottom: 1px solid var(--line);
}

.site-header__inner,
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-family: "Fraunces", serif;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-weight: 600;
}

.site-nav a.is-active,
.site-nav a:hover,
.text-link:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(15, 95, 115, 0.28);
  background: var(--surface-strong);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
}

.hero,
.page-hero {
  padding: 4.5rem 0 3rem;
}

.hero__grid,
.split,
.page-grid,
.tool-layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(12, 1fr);
}

.hero__grid > :first-child,
.split > :first-child,
.page-grid > :first-child,
.tool-layout > :first-child {
  grid-column: span 7;
}

.hero__grid > :last-child,
.split > :last-child,
.page-grid > :last-child,
.tool-layout > :last-child {
  grid-column: span 5;
}

.hero__lead,
.page-intro {
  font-size: 1.18rem;
  color: var(--text-soft);
  max-width: 44rem;
}

.eyebrow,
.card__kicker,
.panel__label,
.meta {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--accent-warm);
  font-weight: 700;
}

.hero__actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.button,
.button-secondary,
button {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.25rem;
  cursor: pointer;
}

.button--ghost,
.button-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(15, 95, 115, 0.22);
}

.panel,
.card,
.form-panel,
.result-panel,
.list-panel,
.post-card,
.template-note {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.panel--accent {
  background:
    linear-gradient(180deg, rgba(15, 95, 115, 0.1), rgba(255, 255, 255, 0.85)),
    var(--surface);
}

.section {
  padding: 1.5rem 0 4rem;
}

.section--muted {
  background: rgba(217, 237, 241, 0.38);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section__header {
  margin-bottom: 1.5rem;
}

.card-grid,
.mini-grid,
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.page-hero__content {
  max-width: 52rem;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.subnav a {
  text-decoration: none;
  color: var(--text-soft);
  font-weight: 600;
  padding: 0.25rem 0;
}

.list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.list li + li {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.text-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--text-soft);
}

.footer-separator {
  opacity: 0.55;
  margin: 0 0.35rem;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

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

label {
  font-weight: 700;
}

input,
select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(31, 42, 45, 0.16);
  padding: 0.8rem 0.9rem;
  background: var(--surface-strong);
  font: inherit;
}

.tool-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 1.25rem;
}

.metric {
  background: rgba(15, 95, 115, 0.06);
  border-radius: 14px;
  padding: 1rem;
}

.metric strong,
.result-highlight strong {
  display: block;
  font-size: 1.3rem;
  font-family: "Fraunces", serif;
}

.result-highlight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: var(--accent-soft);
  margin-bottom: 1rem;
}

.outcome-table {
  width: 100%;
  border-collapse: collapse;
}

.outcome-table th,
.outcome-table td {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.outcome-table th:last-child,
.outcome-table td:last-child {
  text-align: right;
}

.post-meta,
.muted {
  color: var(--text-soft);
}

.post-card h3,
.card h3 {
  margin-bottom: 0.55rem;
}

.article {
  width: min(calc(100% - 2rem), 760px);
  margin: 0 auto 4rem;
}

.article p,
.article li {
  font-size: 1.08rem;
}

.article ul {
  padding-left: 1.2rem;
}

@media (max-width: 900px) {
  .hero__grid > :first-child,
  .split > :first-child,
  .page-grid > :first-child,
  .tool-layout > :first-child,
  .hero__grid > :last-child,
  .split > :last-child,
  .page-grid > :last-child,
  .tool-layout > :last-child {
    grid-column: 1 / -1;
  }

  .card-grid,
  .mini-grid,
  .post-grid,
  .tool-summary,
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header__inner,
  .site-footer__inner {
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .brand {
    margin-right: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem 0.7rem;
    align-items: center;
    padding: 0.15rem 0 0.35rem;
  }

  .site-nav a {
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.55);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero,
  .page-hero {
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3.4rem);
  }
}