@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Newsreader:opsz,wght@6..72,400;6..72,600;6..72,700&display=swap");

:root {
  --ink: #17313b;
  --ink-soft: #35515b;
  --teal: #1e7a78;
  --teal-deep: #155b5c;
  --bone: #f4efe6;
  --mist: #dde9e5;
  --paper: #fffdf8;
  --coral: #c96a4b;
  --sun: #f0bf6d;
  --line: rgba(23, 49, 59, 0.14);
  --shadow: 0 20px 60px rgba(19, 40, 48, 0.12);
  --shadow-soft: 0 14px 40px rgba(19, 40, 48, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(201, 106, 75, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(30, 122, 120, 0.14), transparent 32%),
    linear-gradient(180deg, #f8f4ed 0%, #f7fbf9 48%, #f4efe6 100%);
  min-height: 100vh;
}

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

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

p {
  line-height: 1.75;
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.75;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Newsreader", serif;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.02;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.8rem);
}

h2 {
  font-size: clamp(2rem, 3.4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.eyebrow,
.chip,
.meta-line,
.mini-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(23, 49, 59, 0.12);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  color: var(--ink-soft);
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  z-index: -2;
  inset: auto;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  filter: blur(55px);
  opacity: 0.45;
}

.page-shell::before {
  top: -10rem;
  right: -8rem;
  background: rgba(30, 122, 120, 0.18);
}

.page-shell::after {
  bottom: -12rem;
  left: -8rem;
  background: rgba(201, 106, 75, 0.12);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 1.1rem 1rem 0;
}

.site-header.is-scrolled .header-card {
  box-shadow: var(--shadow-soft);
  background: rgba(255, 253, 248, 0.9);
}

.header-card {
  max-width: var(--content);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.9rem 1.1rem 0.9rem 1.35rem;
  border: 1px solid rgba(23, 49, 59, 0.1);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.76);
  backdrop-filter: blur(18px);
  transition: 180ms ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(30, 122, 120, 0.95), rgba(23, 49, 59, 1));
  color: white;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.brand-copy strong {
  display: block;
  font-size: 0.95rem;
}

.brand-copy span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-nav a {
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 0.95rem;
}

.header-nav a:hover,
.header-nav a:focus-visible {
  color: var(--ink);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--ink);
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
}

.button-row,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3.2rem;
  padding: 0 1.3rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.95rem;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  color: white;
  box-shadow: 0 18px 35px rgba(30, 122, 120, 0.22);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(23, 49, 59, 0.12);
  color: var(--ink);
}

.button.ghost {
  color: var(--ink);
  border: 1px solid rgba(23, 49, 59, 0.12);
  background: transparent;
}

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

.hero {
  padding: 4.5rem 0 2.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(290px, 0.82fr);
  gap: 2rem;
  align-items: end;
}

.hero-card,
.feature-panel,
.signal-card,
.card,
.resource-card,
.list-card,
.article-card,
.note-card,
.stat-card,
.callout,
.toc-card,
.section-card,
.hub-banner,
.footer-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.86);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}

.hero-card {
  padding: 2rem;
}

.hero-card .eyebrow {
  color: var(--teal);
  margin-bottom: 1rem;
}

.lede {
  font-size: clamp(1.04rem, 1.8vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 50rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.stat-card {
  padding: 1rem 1rem 1.15rem;
}

.stat-card strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
}

.stat-card span {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.feature-panel {
  padding: 1.6rem;
  position: relative;
  overflow: hidden;
}

.feature-panel::before {
  content: "";
  position: absolute;
  inset: auto -3rem -4rem auto;
  width: 14rem;
  height: 14rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 191, 109, 0.35), transparent 70%);
}

.feature-panel .mini-label {
  color: var(--coral);
}

.feature-stack {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.3rem;
}

.feature-chip {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(23, 49, 59, 0.04);
}

.feature-chip span {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.section {
  padding: 1.6rem 0 2.4rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.section-heading p {
  max-width: 45rem;
  color: var(--ink-soft);
}

.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 1rem;
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.card,
.article-card,
.resource-card,
.list-card,
.section-card {
  padding: 1.35rem;
}

.card h3,
.article-card h3,
.resource-card h3 {
  margin-top: 0.45rem;
}

.card p,
.article-card p,
.resource-card p,
.list-card p {
  margin-top: 0.8rem;
  color: var(--ink-soft);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.meta-pill {
  display: inline-flex;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(30, 122, 120, 0.1);
  color: var(--teal-deep);
  font-size: 0.82rem;
  font-weight: 800;
}

.accent-card {
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.92), rgba(221, 233, 229, 0.8));
}

.warm-card {
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.96), rgba(244, 239, 230, 0.92));
}

.band {
  padding: 2.2rem 0;
}

.band-wrap {
  padding: 1.3rem;
  border-radius: calc(var(--radius-lg) + 8px);
  background:
    linear-gradient(135deg, rgba(23, 49, 59, 0.96), rgba(30, 122, 120, 0.95));
  color: white;
  box-shadow: var(--shadow);
}

.band-wrap p {
  color: rgba(255, 255, 255, 0.84);
}

.band-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1.3rem;
  align-items: center;
}

.mini-grid {
  display: grid;
  gap: 0.9rem;
}

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

.signal-card {
  padding: 1rem 1.15rem;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.signal-card strong,
.signal-card span {
  display: block;
}

.signal-card strong {
  font-size: 1.1rem;
}

.signal-card span {
  color: rgba(255, 255, 255, 0.76);
  margin-top: 0.25rem;
}

.topic-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.2fr 0.8fr;
}

.list-card ul {
  margin-top: 1rem;
}

.hub-banner {
  padding: 1.55rem;
  background:
    linear-gradient(145deg, rgba(221, 233, 229, 0.92), rgba(255, 253, 248, 0.94));
}

.hub-banner p {
  margin-top: 0.75rem;
  color: var(--ink-soft);
}

.page-intro {
  padding: 4rem 0 1.2rem;
}

.page-intro .hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 1.25rem;
  align-items: end;
}

.stack {
  display: grid;
  gap: 1rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(220px, 0.2fr);
  gap: 1.2rem;
  align-items: start;
}

.article-main {
  display: grid;
  gap: 1rem;
}

.article-hero {
  padding: 4.1rem 0 1.4rem;
}

.article-hero-card {
  padding: 2rem;
}

.article-hero-card p {
  color: var(--ink-soft);
  margin-top: 1rem;
  max-width: 44rem;
}

.article-header-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.15rem 0 1.4rem;
}

.article-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.82rem;
  border-radius: 999px;
  background: rgba(23, 49, 59, 0.06);
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 800;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.summary-item {
  padding: 1rem;
  border-radius: 20px;
  background: rgba(23, 49, 59, 0.04);
}

.summary-item strong {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.summary-item span {
  display: block;
  margin-top: 0.45rem;
  color: var(--ink-soft);
}

.toc-card {
  position: sticky;
  top: 6.6rem;
  padding: 1.15rem;
}

.toc-card h3 {
  font-size: 1.25rem;
}

.toc-card nav {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
}

.toc-card a {
  padding: 0.7rem 0.8rem;
  border-radius: 14px;
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 0.92rem;
}

.toc-card a.is-active,
.toc-card a:hover,
.toc-card a:focus-visible {
  background: rgba(30, 122, 120, 0.1);
  color: var(--ink);
}

.section-card h2 {
  margin-bottom: 1rem;
}

.section-card > * + * {
  margin-top: 1rem;
}

.split-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.callout {
  padding: 1.1rem 1.15rem;
  background: rgba(221, 233, 229, 0.52);
}

.callout.warning {
  background: rgba(240, 191, 109, 0.18);
}

.callout.alert {
  background: rgba(201, 106, 75, 0.14);
}

.callout strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
  background: white;
}

th,
td {
  padding: 0.95rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(23, 49, 59, 0.08);
  vertical-align: top;
}

th {
  background: rgba(221, 233, 229, 0.55);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.quote-strip {
  padding: 1.1rem 1.25rem;
  border-left: 5px solid var(--teal);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
  font-style: italic;
}

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

.footer {
  padding: 2rem 0 2.6rem;
}

.footer-card {
  padding: 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.footer-links a {
  color: var(--ink-soft);
  font-weight: 700;
}

.footer-note {
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-grid,
  .band-grid,
  .topic-grid,
  .page-intro .hero-card,
  .article-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3,
  .grid-2,
  .related-grid,
  .split-list,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: relative;
    top: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding-inline: 0.8rem;
  }

  .header-card {
    border-radius: 26px;
    padding: 0.85rem 0.95rem 1rem;
    align-items: flex-start;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    left: 0.6rem;
    right: 0.6rem;
    padding: 1rem;
    border-radius: 26px;
    border: 1px solid var(--line);
    background: rgba(255, 253, 248, 0.98);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: stretch;
    display: none;
  }

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

  .hero,
  .article-hero,
  .page-intro {
    padding-top: 3.3rem;
  }

  .hero-card,
  .feature-panel,
  .article-hero-card,
  .section-card,
  .hub-banner {
    padding: 1.3rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .grid-4,
  .footer-links {
    grid-template-columns: 1fr;
  }

  table {
    min-width: 520px;
  }
}