:root {
  --ink: rgba(0, 0, 0, 0.75);
  --body: rgba(0, 0, 0, 0.6);
  --muted: #888f96;
  --line: #e2e7ec;
  --paper: #ffffff;
  --page: #ecf0f5;
  --accent: #2ea3f2;
  --accent-deep: #1c8ad6;
  --nav: #3d5265;
  --nav-deep: #34485a;
  --teal: #7ab7cc;
  --blue: #2ea3f2;
  --pink: #df4aa0;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max: 1280px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--body);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

h1, h2, h3 { margin: 0; color: var(--ink); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Header ---------- */
.site-header {
  --header-progress: 0;
  --header-pad-top: 22px;
  --header-pad-bottom: 18px;
  --header-logo-height: 64px;
  --header-toggle-top: 22px;
  --header-nav-margin: 14px;
  --header-link-height: 56px;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: box-shadow 0.16s ease;
}

.site-header__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--header-pad-top) 24px 0;
  text-align: center;
  transition: padding 0.08s linear;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.site-logo img {
  width: auto;
  height: var(--header-logo-height);
  transition: height 0.08s linear;
  will-change: height;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 22px rgba(29, 45, 59, 0.18);
}

.nav-toggle {
  display: none;
  position: absolute;
  top: var(--header-toggle-top);
  right: 24px;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 40px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: top 0.08s linear;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
}

.site-nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: var(--header-nav-margin) 0 0;
  padding: 0;
  list-style: none;
  transition: margin 0.08s linear;
}

.site-nav li { position: relative; }

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  min-height: var(--header-link-height);
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  transition: min-height 0.08s linear, color 0.15s ease;
}

.site-nav a:hover,
.site-nav .is-active { color: #fff; }

.site-nav > ul > li > a.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  background: #fff;
}

.site-nav .has-sub > a::after {
  content: "";
  margin-left: 7px;
  border: 4px solid transparent;
  border-top-color: currentColor;
  border-bottom: 0;
}

.site-nav .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  display: block;
  min-width: 230px;
  margin: 0;
  padding: 6px 0;
  background: var(--nav-deep);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 60;
}

.site-nav .has-sub:hover .sub-menu,
.site-nav .has-sub:focus-within .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.site-nav .sub-menu a {
  display: block;
  min-height: 0;
  padding: 10px 20px;
  color: rgba(255, 255, 255, 0.8);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  font-size: 13px;
}

.site-nav .sub-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ---------- Search bar (top) ---------- */
.search-bar {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 110px 0;
}

body.is-filtered-view .search-bar {
  padding-left: 110px;
  padding-right: 110px;
}

/* ---------- Front page ---------- */
.front-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 110px 10px;
}

body.is-filtered-view .front-page {
  display: none;
}

.front-page__main {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
  min-height: 640px;
}

.feature-card,
.front-page__side,
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(29, 45, 59, 0.05);
  border-radius: 3px;
}

.feature-card { overflow: hidden; }

.feature-card__head {
  margin: 0;
  padding: 13px 18px;
  border-bottom: 3px solid var(--teal);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.feature-card--blue .feature-card__head { border-bottom-color: var(--blue); }
.feature-card--pink .feature-card__head { border-bottom-color: var(--pink); }

.feature-card__head a { color: var(--ink); }
.feature-card__head a:hover { color: var(--accent); }

.feature-card__media,
.card__media {
  display: block;
  overflow: hidden;
  background: #eef1f4;
  aspect-ratio: 16 / 8;
}

.feature-card__media img,
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.feature-card__lead:hover .feature-card__media img,
.card:hover .card__media img { transform: scale(1.04); }

.feature-card__media--empty,
.card__media--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f4f6f7 0%, #e3e9ef 100%);
  color: #c2cad2;
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 800;
}

.feature-card__body { padding: 16px 18px 18px; }

.feature-card__title {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.22;
}
.feature-card__lead:hover .feature-card__title { color: var(--accent); }

.feature-card__meta {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.feature-card__excerpt {
  margin: 9px 0 0;
  color: var(--body);
  font-size: 14px;
  line-height: 1.6;
}

.feature-card__list {
  margin: 0;
  padding: 0 18px 6px;
  list-style: none;
}

.feature-card__list li { border-top: 1px solid var(--line); }

.feature-card__list a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 0;
}

.feature-card__list-media {
  flex: 0 0 72px;
  width: 72px;
  aspect-ratio: 16 / 10.5;
  overflow: hidden;
  border-radius: 3px;
  background: #eef1f4;
}

.feature-card__list-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card__list-media--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f4f6f7 0%, #e3e9ef 100%);
  color: #c2cad2;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 800;
}

.feature-card__list-text {
  flex: 1;
  min-width: 0;
}

.feature-card__list-title {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.25;
}
.feature-card__list a:hover .feature-card__list-title { color: var(--accent); }

.feature-card__list-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

/* ---------- Sidebar ---------- */
.front-page__side {
  align-self: start;
  overflow: hidden;
}

.side-title {
  margin: 0;
  padding: 13px 18px;
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.week-link {
  display: block;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.week-link:last-child { border-bottom: 0; }

.week-link__title {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.3;
}
.week-link:hover .week-link__title { color: var(--accent); }

.week-link__date {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

/* ---------- Homepage featured posts ---------- */
.home-featured {
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px 110px 34px;
  min-height: 620px;
}

body.is-filtered-view .home-featured {
  display: none;
}

.home-featured__title {
  margin: 0 0 16px;
  padding-top: 10px;
  border-top: 4px solid var(--teal);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
}

.home-featured__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.home-post-card {
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: 0 1px 2px rgba(29, 45, 59, 0.05);
}

.home-post-card__media-link {
  display: block;
}

.home-post-card__media {
  display: block;
  overflow: hidden;
  background: #eef1f4;
  aspect-ratio: 16 / 8.4;
}

.home-post-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.home-post-card:hover .home-post-card__media img {
  transform: scale(1.04);
}

.home-post-card__media--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f4f6f7 0%, #e3e9ef 100%);
  color: #c2cad2;
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 800;
}

.home-post-card__body {
  padding: 16px 18px 20px;
}

.home-post-card__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
}

.home-post-card__title a {
  color: #5dbed8;
}

.home-post-card__title a:hover {
  color: var(--accent);
}

.home-post-card__meta {
  margin: 0 0 8px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 11px;
  line-height: 1.35;
}

.home-post-card__excerpt {
  margin: 0 0 16px;
  color: #222;
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.35;
}

.home-post-card__button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 15px;
  background: #eef4f8;
  color: #55c4e6;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.home-post-card__button:hover {
  background: #e1edf4;
  color: #289dc4;
}

.home-featured__pagination {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
}

.home-featured__page,
.home-featured__gap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  border: 0;
  border-radius: 3px;
  background: #dfe5ea;
  color: #6e7780;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
}

.home-featured__page {
  cursor: pointer;
}

.home-featured__page.is-active,
.home-featured__page:hover {
  background: var(--teal);
  color: #fff;
}

.home-featured__page:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.home-featured__page:disabled:hover {
  background: #dfe5ea;
  color: #6e7780;
}

.home-featured__gap {
  background: transparent;
}

/* ---------- Archive ---------- */
.archive {
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 24px 64px;
}

body:not(.is-filtered-view) .archive {
  display: none;
}

body.is-filtered-view .archive {
  display: block;
  padding: 48px 110px 84px;
}

.archive-heading { margin: 6px 0 20px; }

.archive-heading h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 800;
  line-height: 1.1;
}

.archive-heading p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.archive-search {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.archive-search input[type="search"],
.archive-search select {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
}

.archive-search input[type="search"] {
  flex: 1 1 320px;
  min-width: 0;
  padding: 13px 15px;
}

.archive-search select {
  flex: 0 0 auto;
  padding: 13px 15px;
}

.archive-search input[type="search"]:focus,
.archive-search select:focus {
  outline: 2px solid rgba(46, 163, 242, 0.25);
  border-color: var(--accent);
}

.archive-count {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

body.is-letter-view .archive-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}

.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 7px;
  padding: 15px 18px 18px;
}

.card__cats {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.card__title {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
}
.card:hover .card__title { color: var(--accent); }

.card__excerpt {
  flex: 1;
  color: var(--body);
  font-size: 13.5px;
  line-height: 1.55;
}

.card__date {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
}

.letter-card {
  min-height: 260px;
  padding: 28px 30px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(29, 45, 59, 0.08);
}

.letter-card__title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.11;
}

.letter-card__title a {
  color: #f39a12;
}

.letter-card__title a:hover {
  color: #cf7c00;
}

.letter-card__date {
  margin: 0 0 10px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 8px;
  line-height: 1.2;
}

.letter-card__excerpt {
  margin: 0 0 28px;
  color: #000;
  font-family: var(--serif);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.1;
}

.letter-card__button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 4px;
  background: #e5e5e5;
  color: #4fc4e8;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}

.letter-card__button:hover {
  background: #d9d9d9;
  color: #289dc4;
}

.archive-more { margin-top: 34px; text-align: center; }

#loadMore {
  min-width: 160px;
  padding: 13px 26px;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
#loadMore:hover { background: var(--accent-deep); }

.archive-empty {
  padding: 48px 0;
  color: var(--muted);
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 42px;
  background: #111315;
  color: #9aa4ad;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px 24px;
}

.site-footer__top {
  display: block;
  grid-template-columns: minmax(210px, 1fr);
  align-items: start;
  justify-content: space-between;
  gap: 36px;
}

.site-footer__brand {
  margin: 0;
}

.site-footer__brand-name {
  margin: 0;
  color: #d6dde3;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.15;
}

.site-footer__brand-name a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer__brand-name a:hover {
  color: #5dbed8;
}

.site-footer__tagline {
  max-width: 320px;
  margin: 7px 0 0;
  color: #7f8992;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.45;
}

.site-footer__nav a:hover {
  color: #5dbed8;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr));
  gap: 12px 28px;
  justify-items: start;
}

.site-footer__nav a {
  color: #c4cbd1;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.35;
  transition: color 0.15s ease, transform 0.15s ease;
}

.site-footer__nav a:hover {
  transform: translateY(-1px);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__meta {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0;
  font-size: 12px;
  color: #6f767d;
  text-align: right;
}

.site-footer__ack {
  max-width: 680px;
  margin: 0;
  color: #87919a;
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .front-page { grid-template-columns: 1fr; }
  .front-page__main { min-height: 900px; }
  .home-featured {
    max-width: var(--max);
    padding-left: 24px;
    padding-right: 24px;
    min-height: 760px;
  }
  .home-featured__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .site-footer__top,
  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }
  .site-footer__top {
    display: flex;
  }
  .site-footer__nav {
    grid-template-columns: repeat(2, minmax(190px, 1fr));
    width: 100%;
    gap: 11px 24px;
  }
  .site-footer__meta {
    justify-content: flex-start;
    text-align: left;
  }
  body.is-filtered-view .archive-grid,
  body.is-letter-view .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 880px) {
  .front-page__main {
    grid-template-columns: 1fr;
    min-height: 1850px;
  }
  .home-featured__grid { grid-template-columns: 1fr; }
  .home-featured { min-height: 1750px; }

  .site-header__inner { padding-bottom: var(--header-pad-bottom); }
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    margin: 14px -24px -18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }
  .site-nav.is-open { display: block; }

  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav > ul > li { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
  .site-nav a { min-height: 0; padding: 14px 24px; justify-content: center; }
  .site-nav > ul > li > a.is-active::after { display: none; }

  .site-nav .sub-menu {
    position: static;
    transform: none;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    padding: 0 0 8px;
    text-align: center;
    background: var(--nav-deep);
  }
  .site-nav .has-sub > a::after { display: none; }

  .site-footer__inner {
    padding-top: 30px;
    padding-bottom: 24px;
  }
  .site-footer__brand-name {
    font-size: 21px;
  }
  .site-footer__nav a {
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .site-header__inner {
    padding: var(--header-pad-top) 16px 0;
  }
  .site-logo img { height: var(--header-logo-height); }
  .nav-toggle {
    right: 16px;
  }
  .search-bar, .front-page, .archive, .home-featured { padding-left: 16px; padding-right: 16px; }
  .front-page__main { min-height: 1700px; }
  .home-featured { min-height: 1600px; }
  body.is-filtered-view .search-bar {
    padding-left: 16px;
    padding-right: 16px;
  }
  .home-featured__pagination { justify-content: center; }
  body.is-filtered-view .archive {
    padding-left: 16px;
    padding-right: 16px;
  }
  body.is-filtered-view .archive-grid,
  body.is-letter-view .archive-grid {
    grid-template-columns: 1fr;
  }
  .archive-search select { flex: 1 1 100%; }

  .site-footer {
    margin-top: 30px;
  }
  .site-footer__inner {
    padding-left: 16px;
    padding-right: 16px;
  }
  .site-footer__top {
    gap: 22px;
  }
  .site-footer__nav {
    grid-template-columns: 1fr;
    gap: 11px;
  }
  .site-footer__nav a {
    white-space: normal;
  }
}