:root {
  --bg: #f4f7fb;
  --bg-soft: #ecf2f9;
  --surface: #ffffff;
  --text: #182433;
  --muted: #5d6d7f;
  --border: #d4dfea;
  --accent: #0f738b;
  --accent-strong: #0b5c6f;
  --accent-soft: #dbf0f5;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-soft: 0 10px 30px rgba(21, 41, 63, 0.08);
  --shadow-hover: 0 18px 40px rgba(16, 34, 54, 0.14);
  --content-width: 1120px;
  --heading-font: "Fraunces", "Times New Roman", serif;
  --body-font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -10%, rgba(118, 182, 198, 0.24), transparent 48%),
    radial-gradient(circle at 100% 0%, rgba(175, 202, 223, 0.27), transparent 42%),
    var(--bg);
  font-family: var(--body-font);
  line-height: 1.65;
}

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

p {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

img {
  max-width: 100%;
}

.container {
  width: min(var(--content-width), calc(100% - 2.5rem));
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(236, 242, 249, 0.65));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 247, 251, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(209, 220, 233, 0.86);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.65rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-weight: 500;
  transition: background-color 180ms ease, color 180ms ease;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  background: #ffffff;
  box-shadow: 0 2px 9px rgba(18, 40, 64, 0.08);
}

.site-nav .main-site-link {
  border: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.card,
.archive-controls,
.latest-card,
.post-article,
.post-aside,
.about-strip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-copy {
  padding: 2.2rem;
}

.eyebrow {
  margin-bottom: 0.7rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-weight: 700;
}

.hero-copy h1,
.page-intro h1,
.post-article h1 {
  font-family: var(--heading-font);
  letter-spacing: -0.02em;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
}

.hero-copy p {
  color: var(--muted);
  font-size: 1.06rem;
  margin-top: 1rem;
  max-width: 60ch;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.7rem 1.05rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

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

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

.button-primary:hover {
  background: var(--accent-strong);
  box-shadow: 0 8px 20px rgba(15, 115, 139, 0.28);
}

.button-secondary {
  background: #ffffff;
  border-color: var(--border);
  color: var(--text);
}

.button-secondary:hover {
  border-color: #b8cadc;
}

.hero-signals {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  display: grid;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.hero-panel {
  padding: 1.9rem;
}

.hero-panel h2,
.card h2,
.section-head h2,
.about-strip h2,
.post-aside h2 {
  font-family: var(--heading-font);
  letter-spacing: -0.015em;
}

.hero-panel h2 {
  font-size: 1.6rem;
}

.hero-panel p {
  margin-top: 0.8rem;
  color: var(--muted);
}

.clean-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  display: grid;
  gap: 0.45rem;
}

.text-link,
.read-link {
  margin-top: 0.95rem;
  display: inline-flex;
  color: var(--accent);
  font-weight: 600;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.section-note {
  color: var(--muted);
  max-width: 52ch;
}

.latest-card {
  padding: 1.55rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.latest-card h3 {
  margin-top: 0.35rem;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.22;
}

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

.archive-grid {
  margin-top: 1rem;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.post-card:hover {
  transform: translateY(-3px);
  border-color: #b8cadd;
  box-shadow: var(--shadow-hover);
}

.post-card-link {
  display: block;
  height: 100%;
  padding: 1.1rem;
}

.post-card h3 {
  margin-top: 0.35rem;
  font-size: 1.2rem;
}

.post-meta {
  margin-top: 0.5rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.86rem;
}

.post-meta span::before {
  content: "•";
  margin-right: 0.45rem;
}

.post-meta span:first-child::before {
  content: "";
  margin-right: 0;
}

.post-excerpt {
  margin-top: 0.75rem;
  color: var(--muted);
}

.tag-list,
.tag-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.95rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #d2deea;
  background: #edf3f9;
  color: #324860;
  padding: 0.22rem 0.62rem;
  font-size: 0.75rem;
  font-weight: 600;
}

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

.card {
  padding: 1.6rem;
}

.card p {
  margin-top: 0.65rem;
  color: var(--muted);
}

.progress-list {
  margin-top: 0.9rem;
  display: grid;
  gap: 1rem;
}

.progress-item p {
  margin-top: 0.45rem;
  font-size: 0.93rem;
}

.progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.progress-head h3 {
  font-size: 1rem;
}

.progress-head span {
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.85rem;
}

.meter {
  margin-top: 0.45rem;
  height: 8px;
  border-radius: 999px;
  background: #dfe9f4;
  overflow: hidden;
}

.meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #58a9bc, #0f738b);
}

.about-strip {
  padding: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.about-strip p {
  margin-top: 0.65rem;
  color: var(--muted);
  max-width: 60ch;
}

.page-intro {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.page-intro h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-intro p {
  margin-top: 0.9rem;
  color: var(--muted);
  max-width: 62ch;
}

.archive-controls {
  padding: 1.2rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: minmax(0, 1.8fr) minmax(180px, 0.8fr);
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.68rem 0.75rem;
  font: inherit;
  color: var(--text);
  background: #ffffff;
}

input:focus,
select:focus,
textarea:focus,
.filter-chip:focus-visible,
.button:focus-visible {
  outline: 2px solid #86bfd0;
  outline-offset: 2px;
}

.filter-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.36rem 0.72rem;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.filter-chip:hover {
  border-color: #b8cadd;
  color: var(--text);
}

.filter-chip.active {
  color: var(--accent-strong);
  border-color: #9fcfdb;
  background: var(--accent-soft);
}

.archive-summary {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.subscribe-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.subscribe-form {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.9rem;
}

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

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.checkbox-field input {
  width: auto;
  margin: 0.22rem 0 0;
  flex: 0 0 auto;
}

.status-note,
.microcopy {
  color: var(--muted);
  font-size: 0.9rem;
}

.draft-box {
  padding: 1rem;
  border: 1px dashed #bfd0e2;
  border-radius: var(--radius-md);
  background: #f8fbfe;
}

.draft-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.draft-box textarea {
  margin-top: 0.75rem;
  min-height: 180px;
  resize: vertical;
}

.status-note.success {
  color: var(--accent-strong);
}

.empty-state {
  width: 100%;
  margin: 0;
  color: var(--muted);
  background: #ffffff;
  border: 1px dashed #c7d6e5;
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
}

.post-layout {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 300px);
  align-items: start;
}

.post-article {
  padding: clamp(1.35rem, 3vw, 2.4rem);
}

.post-article h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.post-lead {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 62ch;
}

.post-article h2 {
  margin-top: 2rem;
  font-size: 1.55rem;
  font-family: var(--heading-font);
}

.post-article p {
  margin-top: 0.9rem;
  color: #2d3f54;
}

.post-article ul {
  margin-top: 0.7rem;
  color: #2d3f54;
  padding-left: 1.1rem;
}

.post-article blockquote {
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
  border-left: 3px solid #94c2cf;
  background: #f2f8fb;
  color: #26435b;
  border-radius: 0 12px 12px 0;
}

.post-aside {
  padding: 1.25rem;
  position: sticky;
  top: 92px;
}

.post-aside p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.post-aside ul {
  margin-top: 0.75rem;
  padding-left: 1rem;
  color: var(--muted);
  display: grid;
  gap: 0.4rem;
}

.post-nav {
  margin-top: 2.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid #d4dfea;
  background: var(--bg-soft);
  padding: 2.8rem 0 1.2rem;
}

.footer-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
}

.brand-footer {
  margin-bottom: 0.8rem;
}

.footer-copy {
  color: var(--muted);
  max-width: 48ch;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 0.35rem;
}

.footer-links h3 {
  font-size: 0.98rem;
  margin-bottom: 0.2rem;
}

.footer-links a {
  color: #3a5068;
}

.footer-links a:hover,
.text-link:hover,
.read-link:hover {
  color: var(--accent-strong);
}

.footer-note {
  margin: 1.45rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}

.enter {
  opacity: 0;
  transform: translateY(16px);
  animation: rise-in 620ms ease forwards;
  animation-delay: var(--delay, 0ms);
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .post-layout {
    grid-template-columns: 1fr;
  }

  .post-aside {
    position: static;
  }

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

@media (max-width: 860px) {
  .section {
    padding: 3.4rem 0;
  }

  .hero-grid,
  .split-grid,
  .archive-controls,
  .subscribe-grid {
    grid-template-columns: 1fr;
  }

  .latest-card {
    grid-template-columns: 1fr;
  }

  .about-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-end;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(var(--content-width), calc(100% - 1.4rem));
  }

  .nav-wrap {
    min-height: 68px;
  }

  .site-nav a {
    font-size: 0.9rem;
    padding: 0.35rem 0.65rem;
  }

  .hero-copy,
  .hero-panel,
  .card,
  .page-intro,
  .post-article,
  .post-aside {
    border-radius: 18px;
  }

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

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

  .post-nav {
    flex-direction: column;
    align-items: flex-start;
  }
}