:root {
  --accent: #38bcf6;
  --bg: #020202;
  --bg-elevated: #0d0f12;
  --bg-muted: #12151b;
  --card-border: rgba(56, 188, 246, 0.25);
  --card-border-muted: rgba(56, 188, 246, 0.12);
  --text-primary: #f6f7fb;
  --text-secondary: #b3bdcc;
  --text-muted: #6c7485;
  --shadow-lg: 0 40px 80px -40px rgba(56, 188, 246, 0.35);
  --shadow-sm: 0 18px 40px -28px rgba(0, 0, 0, 0.75);
  --max-width: 1080px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --transition: all 0.25s ease;
  --font-body: "Inter", "SF Pro Text", "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;
  --font-heading: "Inter", "SF Pro Display", "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;
}

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

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
}

main {
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover,
a:focus {
  color: #8cdcff;
}

img,
video {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.shell {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 2vw, 2.5rem);
}

.main-content {
  padding-bottom: clamp(2rem, 6vw, 3.75rem);
}

.site-nav {
  position: relative;
  margin: clamp(0.5rem, 1.2vw, 1.25rem) auto 0;
  width: min(100% - 2rem, var(--max-width));
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  background: rgba(3, 5, 8, 0.85);
  border: 1px solid var(--card-border-muted);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  z-index: 40;
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.site-nav__brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-nav__brand span {
  color: var(--accent);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  flex-wrap: wrap;
}

.site-nav__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-block: 0.1rem;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -0.45rem;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.site-nav__link:hover,
.site-nav__link:focus {
  color: var(--text-primary);
}

.site-nav__link:hover::after,
.site-nav__link:focus::after {
  transform: scaleX(1);
}

.site-nav__social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.site-nav__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(56, 188, 246, 0.12);
  transition: background var(--transition), transform var(--transition);
}

.site-nav__social a:hover {
  background: rgba(56, 188, 246, 0.28);
  transform: translateY(-2px);
}

.social-icon {
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.social-icon svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: currentColor;
}

.hero {
  position: relative;
  padding: clamp(2rem, 4vw, 3.25rem) 0 clamp(2.75rem, 5.5vw, 4.75rem);
  overflow: hidden;
}

.hero--minimal {
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 10%, rgba(56, 188, 246, 0.25), transparent 55%),
              radial-gradient(circle at 85% 15%, rgba(56, 188, 246, 0.18), transparent 60%);
  opacity: 0.7;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero--image {
  background:
    linear-gradient(120deg, rgba(0, 0, 0, 0.9) 10%, rgba(2, 21, 30, 0.82) 55%, rgba(4, 33, 46, 0.88) 100%),
    var(--hero-image) center/cover no-repeat;
}

.hero--simple {
  background: linear-gradient(130deg, rgba(0, 0, 0, 0.95), rgba(7, 46, 63, 0.7));
}

.hero__inner {
  position: relative;
  z-index: 2;
  transition: transform 0.6s ease;
}

.hero__inner:hover {
  transform: translateY(-2px);
}

.hero__content {
  max-width: 680px;
  padding-inline: clamp(1.25rem, 2.5vw, 3rem);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: rgba(56, 188, 246, 0.16);
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: clamp(1.5rem, 4vw, 3rem) 0 0.85rem;
  color: var(--text-primary);
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.65);
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: auto;
  hyphenate-limit-chars: 6 3 3;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  color: var(--text-secondary);
  margin: 0 0 2rem;
}

.hero__links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.btn--accent {
  background: var(--accent);
  color: #03121c;
}

.btn--accent:hover {
  transform: translateY(-2px);
  border-color: rgba(3, 18, 28, 0.2);
}

.btn--ghost {
  border-color: rgba(56, 188, 246, 0.35);
  color: var(--text-primary);
  background: transparent;
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.section {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.section--tight {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.section__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-family: var(--font-heading);
  margin: 0;
  color: var(--text-primary);
}

.section__description {
  max-width: 520px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

.intro {
  background: linear-gradient(135deg, rgba(6, 19, 28, 0.85), rgba(2, 2, 2, 0.95));
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--card-border-muted);
  box-shadow: var(--shadow-sm);
}

.intro p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.quick-links {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  gap: clamp(1rem, 3vw, 1.75rem);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.quick-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.4rem, 4vw, 1.85rem);
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 188, 246, 0.28);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(56, 188, 246, 0.26), rgba(56, 188, 246, 0) 60%),
    linear-gradient(160deg, rgba(7, 20, 29, 0.85), rgba(4, 18, 28, 0.9));
  color: var(--text-primary);
  box-shadow: 0 18px 36px -28px rgba(56, 188, 246, 0.65);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.quick-link::after {
  content: "→";
  position: absolute;
  top: clamp(1.25rem, 3vw, 1.5rem);
  right: clamp(1.25rem, 3vw, 1.5rem);
  font-size: 1.25rem;
  color: rgba(140, 220, 255, 0.8);
  transition: transform var(--transition);
}

.quick-link__title {
  font-size: clamp(1.2rem, 2.8vw, 1.55rem);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.quick-link__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.quick-link__cta {
  margin-top: auto;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.quick-link:hover,
.quick-link:focus {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.quick-link:hover::after,
.quick-link:focus::after {
  transform: translateX(3px);
}

@media (max-width: 600px) {
  .quick-link {
    padding: 1.25rem 1.4rem 1.4rem;
  }
}

@media (min-width: 720px) {
  .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.contact-grid {
  margin: clamp(2rem, 5vw, 3rem) 0;
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: clamp(1.2rem, 3.5vw, 1.75rem);
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 188, 246, 0.28);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(56, 188, 246, 0.22), rgba(56, 188, 246, 0) 60%),
    linear-gradient(160deg, rgba(7, 17, 26, 0.9), rgba(3, 13, 21, 0.9));
  color: var(--text-primary);
  text-decoration: none;
  box-shadow: 0 20px 32px -28px rgba(56, 188, 246, 0.55);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.contact-card::after {
  content: "→";
  position: absolute;
  top: clamp(1rem, 3vw, 1.3rem);
  right: clamp(1rem, 3vw, 1.3rem);
  font-size: 1.15rem;
  color: rgba(140, 220, 255, 0.8);
  transition: transform var(--transition);
}

.contact-card__label {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(140, 220, 255, 0.85);
}

.contact-card__value {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  word-break: break-word;
}

.contact-card:hover,
.contact-card:focus {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contact-card:hover::after,
.contact-card:focus::after {
  transform: translateX(3px);
}

@media (min-width: 720px) {
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.post-grid {
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.25rem);
}

@media (min-width: 720px) {
  .post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .post-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: clamp(1.5rem, 3vw, 1.85rem);
  background: linear-gradient(145deg, rgba(7, 11, 16, 0.95), rgba(7, 28, 38, 0.65));
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border-muted);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  min-height: 100%;
}

.post-card--compact {
  padding-block: clamp(1.35rem, 3vw, 1.75rem);
}

.post-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.post-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

.post-card__image img {
  display: none;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.post-card__title a {
  color: inherit;
}

.post-card__excerpt {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text-secondary);
}

.post-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  gap: 0.75rem;
}

.post-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

.post-card__cta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.reading-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-wrapper {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

.article-wrapper--solo {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 960px) {
  .article-wrapper {
    grid-template-columns: minmax(0, 2.5fr) minmax(200px, 1fr);
  }

  .article-wrapper--solo {
    grid-template-columns: minmax(0, 1fr);
  }
}

.article-wrapper--solo .article {
  max-width: 100%;
}

.article {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border-muted);
  padding: clamp(2rem, 5vw, 3.25rem);
  box-shadow: var(--shadow-sm);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.article__meta time {
  color: inherit;
}

.article__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
}

.article-content {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-primary);
  font-family: var(--font-heading);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

.article-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.3rem);
}

.article-content h3 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.article-content p {
  margin-bottom: 1.4rem;
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background: rgba(56, 188, 246, 0.12);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1.05rem;
}

.article-content pre {
  background: #070a0f;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  font-size: 0.95rem;
  border: 1px solid rgba(56, 188, 246, 0.18);
}

.article-content code {
  background: rgba(56, 188, 246, 0.12);
  color: #8cdcff;
  padding: 0.2rem 0.45rem;
  border-radius: 0.35rem;
  font-size: 0.9rem;
}

.article-content :not(pre) > code {
  display: inline-block;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.sidebar-card {
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border-muted);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-card + .sidebar-card {
  margin-top: 1.5rem;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card h3 {
  margin-top: 0;
  margin-bottom: 1.25rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
}

.sidebar-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.sidebar-card a {
  color: var(--text-primary);
}

.article-discussion {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 2rem;
  border-top: 1px solid rgba(56, 188, 246, 0.18);
}

.tag-list {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(56, 188, 246, 0.3);
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}

.tag:hover {
  background: rgba(56, 188, 246, 0.2);
  color: var(--text-primary);
}

.term-preview {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.term-preview a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.term-preview a:hover {
  color: var(--accent);
}

.site-footer {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(2rem, 5vw, 3rem);
  border-top: 1px solid rgba(56, 188, 246, 0.12);
  background: linear-gradient(180deg, rgba(2, 2, 2, 0.95), rgba(7, 17, 24, 0.9));
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
}

.site-footer__brand {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.site-footer__link:hover {
  color: var(--text-primary);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(56, 188, 246, 0.12);
  padding-top: 1.5rem;
}

.site-footer__social {
  display: flex;
  gap: 0.5rem;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 3rem;
}

.pagination a,
.pagination span {
  min-width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(56, 188, 246, 0.3);
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
}

.pagination a:hover {
  background: rgba(56, 188, 246, 0.18);
  color: var(--text-primary);
}

.pagination .active {
  background: var(--accent);
  color: #051119;
  border-color: transparent;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.article-content th,
.article-content td {
  padding: 0.75rem 1rem;
  border: 1px solid rgba(56, 188, 246, 0.2);
}

.article-content thead {
  background: rgba(56, 188, 246, 0.15);
}

.article-content hr {
  border: none;
  border-top: 1px solid rgba(56, 188, 246, 0.2);
  margin: 3rem 0;
}

.article-content a {
  text-decoration: underline;
}

.toc nav {
  margin: 0;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding-left: 0;
  display: grid;
  gap: 0.6rem;
}

.toc ul ul {
  margin-left: 1rem;
  gap: 0.4rem;
}

.toc li {
  margin: 0;
}

.toc a {
  color: var(--text-secondary);
}

.toc a:hover {
  color: var(--accent);
}

.rss-icon svg rect {
  fill: none;
  stroke: currentColor;
}

.rss-icon svg path {
  fill: none;
  stroke: currentColor;
}

.rss-icon svg circle {
  fill: currentColor;
}

.article-content h2[id],
.article-content h3[id],
.article-content h4[id],
.article-content h5[id],
.article-content h6[id] {
  cursor: pointer;
  text-decoration: none;
}

@media (max-width: 900px) {
  .site-nav {
    border-radius: 24px;
    padding: 1rem 1.25rem;
  }

  .site-nav__social {
    margin-left: 0;
  }

  .hero__content {
    padding-inline: 1.25rem;
  }
}

@media (max-width: 640px) {
  .site-nav {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .site-nav__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__links {
    justify-content: flex-start;
  }

  .site-nav__social {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero--minimal {
    padding-top: 2.25rem;
    padding-bottom: 2rem;
  }

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

  .site-footer__top,
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
