:root {
  --header-height: 84px;
  --shell-black: #05080b;
  --shell-panel: #0b1117;
  --shell-line: rgba(226, 232, 240, 0.16);
  --shell-muted: #9aa6b2;
}

html:has(#collections:target) {
  scroll-behavior: auto;
}

body {
  background:
    radial-gradient(circle at 8% 4%, rgba(163, 230, 53, 0.075), transparent 28rem),
    radial-gradient(circle at 92% 18%, rgba(45, 212, 191, 0.055), transparent 32rem),
    var(--shell-black);
}

.site-header {
  display: grid;
  grid-template-columns: auto minmax(12rem, 1fr) auto;
  align-items: center;
  gap: clamp(1rem, 2.3vw, 2.4rem);
  min-height: var(--header-height);
  padding: 0.9rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--shell-line);
  background: rgba(5, 8, 11, 0.94);
  box-shadow: none;
  backdrop-filter: blur(20px);
}

.brand {
  gap: 0.7rem;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 4px;
  box-shadow: none;
}

.brand-tagline {
  max-width: 18rem;
  margin: 0;
  padding-left: clamp(1rem, 2.2vw, 2rem);
  border-left: 1px solid var(--shell-line);
  color: var(--shell-muted);
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: 0.015em;
}

.site-header nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 0;
  color: #cbd5e1;
  font-size: clamp(0.76rem, 0.95vw, 0.9rem);
}

.site-header nav a {
  padding: 0.62rem 0.66rem;
  border-radius: 0;
  font-weight: 720;
  white-space: nowrap;
}

.site-header nav a::after {
  left: 0.66rem;
  right: 0.66rem;
  bottom: 0.34rem;
}

.site-header nav a[aria-current="page"] {
  color: #fff;
}

.site-header nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header nav .nav-contact {
  margin-left: 0.65rem;
  padding: 0.62rem 1rem;
  border: 1px solid #f3f0e8;
  background: #f3f0e8;
  color: #070b0f;
}

.site-header nav .nav-contact::after {
  display: none;
}

.site-header nav .nav-contact:hover,
.site-header nav .nav-contact:focus-visible,
.site-header nav .nav-contact[aria-current="page"] {
  border-color: #a3e635;
  background: #a3e635;
  color: #07110d;
}

.writing-page {
  padding-top: clamp(4rem, 7vw, 6.5rem);
}

.writing-page .page-title {
  max-width: 960px;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.writing-page .page-intro {
  line-height: 1.48;
}

.collection-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 1120px;
  margin: 2.5rem 0 0;
  border-top: 1px solid var(--shell-line);
  border-bottom: 1px solid var(--shell-line);
  color: #fff;
}

.collection-nav a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.85rem;
  align-content: start;
  min-width: 0;
  padding: 1.2rem clamp(0.85rem, 2vw, 1.5rem);
  border-left: 1px solid var(--shell-line);
  color: inherit;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}

.collection-nav a:first-child {
  border-left: 0;
}

.collection-nav a::after {
  display: none;
}

.collection-nav a:hover,
.collection-nav a:focus-visible {
  background: rgba(163, 230, 53, 0.07);
}

.collection-nav a[aria-current="page"] {
  background: rgba(163, 230, 53, 0.1);
}

.collection-nav .collection-number {
  grid-row: 1 / span 2;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.collection-nav strong {
  color: #fff;
  font-size: 1rem;
  line-height: 1.2;
}

.collection-nav small {
  margin-top: 0.32rem;
  color: var(--shell-muted);
  font-size: 0.78rem;
  font-weight: 580;
  line-height: 1.35;
}

.garden-note {
  border-left-width: 2px;
  background: rgba(11, 17, 23, 0.72);
  box-shadow: none;
}

.post-list {
  gap: 0;
  max-width: 1120px;
  border-top: 1px solid var(--shell-line);
}

.post-listing {
  padding: clamp(1.5rem, 3vw, 2.2rem) 0;
  border: 0;
  border-bottom: 1px solid var(--shell-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.post-listing:hover,
.post-listing:focus-within {
  background: transparent;
  transform: none;
}

.post-listing h2 {
  letter-spacing: -0.025em;
}

.post-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-top: 1rem;
}

.post-actions .text-link {
  display: inline-flex;
  min-height: 2.65rem;
  align-items: center;
  padding: 0.56rem 0.85rem;
  border: 1px solid var(--shell-line);
  border-radius: 2px;
  text-decoration: none;
}

.post-actions .technical-link {
  border-color: rgba(163, 230, 53, 0.42);
  background: rgba(163, 230, 53, 0.08);
  color: #d9f99d;
}

.post-actions .text-link:hover,
.post-actions .text-link:focus-visible {
  border-color: #a3e635;
  background: rgba(163, 230, 53, 0.12);
}

.technical-notes-index {
  max-width: 1120px;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--shell-line);
}

.technical-notes-index > h2 {
  max-width: 780px;
  margin-bottom: 0.8rem;
  font-size: clamp(2.2rem, 4.2vw, 4rem);
  letter-spacing: -0.035em;
}

.technical-notes-index > p:not(.page-kicker) {
  max-width: 720px;
  color: var(--shell-muted);
  font-size: 1.08rem;
}

.technical-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2rem;
  border: 1px solid var(--shell-line);
  background: var(--shell-line);
}

.technical-note-card {
  display: block;
  min-height: 12rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--shell-panel);
  color: inherit;
  text-decoration: none;
  transition: background 180ms ease;
}

.technical-note-card:hover,
.technical-note-card:focus-visible {
  background: #101a20;
}

.technical-note-card span {
  display: block;
  margin-bottom: 1.25rem;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.technical-note-card strong {
  display: block;
  max-width: 28rem;
  color: #fff;
  font-size: clamp(1.3rem, 2.3vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.technical-note-card small {
  display: block;
  margin-top: 0.8rem;
  color: var(--shell-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.story-trail {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 4.3rem;
  padding: 0.65rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--shell-line);
  background: #080c10;
  color: var(--shell-muted);
}

.story-trail a {
  padding: 0;
  border-radius: 0;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration-color: rgba(163, 230, 53, 0.6);
  text-underline-offset: 0.25rem;
}

.story-trail a::after {
  display: none;
}

.story-trail strong {
  overflow: hidden;
  color: var(--shell-muted);
  font-size: 0.82rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.story-trail .story-trail-technical {
  display: inline-grid;
  gap: 0.05rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(163, 230, 53, 0.42);
  background: rgba(163, 230, 53, 0.08);
  color: #d9f99d;
  text-decoration: none;
}

.story-trail .story-trail-technical span {
  color: var(--shell-muted);
  font-size: 0.67rem;
  font-weight: 620;
}

.story-trail .story-trail-technical:hover,
.story-trail .story-trail-technical:focus-visible {
  border-color: #a3e635;
  background: rgba(163, 230, 53, 0.14);
}

.button {
  border-radius: 2px !important;
  box-shadow: none !important;
}

.publications-callout {
  margin: 2.5rem 0 3rem;
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid rgba(163, 230, 53, 0.34);
  background: rgba(163, 230, 53, 0.055);
}

.article-content .publications-callout h2 {
  margin: 0.25rem 0 0.8rem;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.publications-callout .page-kicker,
.publications-callout p {
  margin-top: 0;
}

.publications-callout .button {
  margin-top: 0.4rem;
}

.intro-thread,
.story-card,
.garden-strip,
.principle-grid article {
  border-radius: 2px;
  box-shadow: none;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .brand-tagline {
    display: none;
  }

  .site-header nav {
    grid-column: 2;
  }
}

@media (max-width: 780px) {
  :root {
    --header-height: 124px;
  }

  .site-header {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    align-content: center;
    padding-top: 0.65rem;
    padding-bottom: 0;
  }

  .site-header .brand {
    justify-self: start;
  }

  .site-header nav {
    grid-column: 1;
    width: calc(100vw - clamp(1rem, 4vw, 4rem));
    justify-content: flex-start;
    overflow-x: auto;
    padding: 0 0 0.55rem;
    scrollbar-width: none;
  }

  .site-header nav::-webkit-scrollbar {
    display: none;
  }

  .site-header nav a {
    flex: 0 0 auto;
  }

  .site-header nav .nav-contact {
    margin-left: 0.4rem;
  }

  .collection-nav {
    grid-template-columns: 1fr;
  }

  .collection-nav a,
  .collection-nav a:first-child {
    border-top: 1px solid var(--shell-line);
    border-left: 0;
  }

  .collection-nav a:first-child {
    border-top: 0;
  }

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

  .technical-note-grid {
    grid-template-columns: 1fr;
  }

  .story-trail {
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 4rem;
  }

  .story-trail .story-trail-technical {
    grid-column: 1 / -1;
    justify-self: start;
    margin-bottom: 0.5rem;
  }
}

@media (max-width: 520px) {
  .writing-page .page-title {
    overflow-wrap: normal;
    font-size: clamp(2.45rem, 12vw, 3.4rem);
  }

  .site-header nav a {
    padding-right: 0.55rem;
    padding-left: 0.55rem;
  }

  .site-header nav .nav-contact {
    padding-right: 0.8rem;
    padding-left: 0.8rem;
  }

  .story-trail strong {
    font-size: 0.76rem;
  }
}