:root {
  --ink: #27333a;
  --muted: #607079;
  --line: #e2e8eb;
  --blue: #4d7390;
  --soft-blue: #f4f8fa;
}

body {
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--blue);
}

nav.navbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding-block: 0.85rem;
}

nav.navbar .navbar-container {
  max-width: 1220px;
  margin-inline: auto;
}

nav.navbar .navbar-brand,
nav.navbar .nav-link,
nav.navbar .navbar-brand:hover,
nav.navbar .nav-link:hover {
  color: var(--ink);
}

nav.navbar .navbar-brand {
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.055em;
}

nav.navbar .nav-link {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

body:has(.post-grid) #quarto-content {
  display: block;
}

body:has(.post-grid) main.content,
body:has(.post-grid) #title-block-header {
  width: min(100% - 3rem, 1160px);
  max-width: 1160px;
  margin-inline: auto;
}

body:has(.blog-home) #title-block-header {
  display: none;
}

body:has(.blog-home) main.content {
  padding-top: 0;
}

.blog-intro {
  background: var(--soft-blue);
  border: 1px solid #dce5e9;
  border-radius: 12px;
  padding: clamp(2rem, 5vw, 4.5rem);
  margin: 3.5rem 0 3.25rem;
}

.eyebrow {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.blog-intro h1 {
  color: var(--ink);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 720;
  letter-spacing: -0.055em;
  line-height: 1.08;
  margin: 1rem 0 1.25rem;
}

.blog-intro h1 em {
  color: var(--blue);
  font-style: normal;
}

.blog-intro > p:last-child {
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.7;
  max-width: 44rem;
  margin: 0;
}

.post-filters {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px 150px;
  gap: 0.85rem;
}

.post-filters .search-field {
  margin: 0;
  position: relative;
}

.post-filters .search-field::before {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  top: 16px;
  left: 18px;
  border: 1.8px solid var(--muted);
  border-radius: 50%;
  pointer-events: none;
}

.post-filters .search-field::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 1.8px;
  top: 30px;
  left: 30px;
  background: var(--muted);
  transform: rotate(45deg);
  pointer-events: none;
}

.post-filters input,
.post-filters select {
  width: 100%;
  min-height: 48px;
  border: 1px solid #b8c4c9;
  border-radius: 7px;
  background-color: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.94rem;
  padding: 0.7rem 1rem;
}

.post-filters input {
  padding-left: 3rem;
}

.post-filters :is(input, select):focus-visible,
.post-cover:focus-visible,
.post-card h3 a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.post-count {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 1.65rem 0 1.25rem;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3rem 1.6rem;
  margin-block: 1.5rem 4rem;
}

.post-card[hidden],
#post-empty[hidden] {
  display: none;
}

.post-card {
  min-width: 0;
}

.post-cover {
  display: block;
  aspect-ratio: 1.9;
  overflow: hidden;
  border-radius: 9px;
  background: #e8eef0;
}

.post-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 250ms ease;
}

.post-cover:hover img {
  transform: scale(1.04);
}

.post-cover-art {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: clamp(1rem, 2vw, 1.5rem);
  color: #fff;
  background: linear-gradient(135deg, #7195aa, #365d79);
  position: relative;
  overflow: hidden;
}

.post-cover-security {
  background: linear-gradient(135deg, #677f89, #344d62);
}

.post-cover-home {
  background: linear-gradient(135deg, #7ba3a0, #396f7a);
}

.post-cover-label,
.post-cover-topic {
  position: relative;
  z-index: 1;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.post-cover-topic {
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: -0.02em;
  text-transform: none;
}

.post-cover-shape {
  position: absolute;
  width: 56%;
  aspect-ratio: 1;
  right: -4%;
  top: -38%;
  border: 2.5rem solid #ffffff20;
  border-radius: 50%;
}

.post-card-body {
  padding: 1rem 0 0.3rem;
}

.post-card time {
  color: var(--muted);
  font-size: 0.8rem;
}

.post-card h3 {
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 670;
  line-height: 1.4;
  margin: 0.5rem 0 0.45rem;
}

.post-card h3 a {
  color: inherit;
  text-decoration: none;
}

.post-card h3 a:hover {
  color: var(--blue);
}

.post-card h3 .anchorjs-link {
  display: none;
}

.post-card-body > p {
  color: #48555c;
  font-size: 0.91rem;
  line-height: 1.55;
  margin: 0 0 1rem;
}

.post-card-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.post-card-category {
  border-left: 1px solid var(--line);
  padding-left: 0.5rem;
  text-transform: capitalize;
}

#post-empty {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
}

.blog-archives {
  border-top: 1px solid var(--line);
  padding: 3rem 0 4rem;
}

.blog-archives h2 {
  font-size: 2rem;
  letter-spacing: -0.04em;
  margin: 0.5rem 0 1.5rem;
}

.blog-archives > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

body:has(.post-grid):not(:has(.blog-home)) #title-block-header {
  padding-top: 2rem;
}

@media (max-width: 850px) {
  .post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .post-filters .search-field {
    grid-column: 1 / -1;
  }
}

@media (max-width: 580px) {
  body:has(.post-grid) main.content,
  body:has(.post-grid) #title-block-header {
    width: min(100% - 2rem, 1160px);
  }

  .blog-intro {
    margin: 1.5rem 0 2rem;
  }

  .post-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}