:root {
  --bg: #f7f4ee;
  --bg-alt: #efe8dd;
  --ink: #132321;
  --muted: #50605b;
  --card: #fffdf9;
  --line: #d9d1c5;
  --accent: #0e7f75;
  --accent-2: #b75434;
  --accent-3: #225f8a;
  --hero: #103a36;
  --max-width: 1160px;
  --shadow: 0 14px 44px rgba(18, 33, 31, 0.14);
  --shadow-soft: 0 8px 26px rgba(18, 33, 31, 0.09);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Bitter", Georgia, serif;
  color: var(--ink);
  background:
    radial-gradient(700px 500px at 8% 0%, #dcefe9 0, transparent 70%),
    radial-gradient(760px 500px at 100% 14%, #f3dfcf 0, transparent 70%),
    var(--bg);
  line-height: 1.75;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(12, 20, 18, 0.03) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.2;
  z-index: -1;
}

h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.7rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-2);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(15, 138, 127, 0.36);
  outline-offset: 2px;
}

::selection {
  background: #f2dbc6;
  color: #10231f;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: #101c19;
  color: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  text-decoration: none;
  font-family: "Space Grotesk", sans-serif;
  z-index: 120;
}

.skip-link:focus {
  top: 0.7rem;
}

p {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(217, 210, 196, 0.95);
  backdrop-filter: blur(12px);
  background: rgba(249, 245, 238, 0.94);
}

.site-header-inner,
.site-footer-inner,
.page-wrap,
.hero-inner {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin: 0 auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.12rem;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  font: inherit;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero {
  padding: 4.2rem 0 3rem;
}

.hero-shell {
  background:
    radial-gradient(400px 240px at 76% 22%, rgba(255, 255, 255, 0.22), transparent 65%),
    linear-gradient(130deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 45%),
    linear-gradient(145deg, #0f8a7f, #0c5c66 42%, #2d445d 100%);
  color: #f7fbfb;
  border-radius: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-inner {
  padding: clamp(2rem, 5.5vw, 3.6rem);
  display: grid;
  gap: 1.1rem;
}

.hero-metrics {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.2rem;
}

.hero-metrics .metric {
  background: rgba(10, 16, 25, 0.23);
  border: 1px solid rgba(248, 252, 251, 0.2);
  border-radius: 14px;
  padding: 0.65rem 0.7rem;
}

.hero-metrics .metric strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.hero-metrics .metric span {
  font-size: 0.88rem;
  opacity: 0.95;
}

.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  opacity: 0.9;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.1vw, 3.35rem);
}

.hero .credentials {
  margin: -0.8rem 0 0.75rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
}

.hero p {
  max-width: 68ch;
  margin-bottom: 0;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.72rem 1.15rem;
  text-decoration: none;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  display: inline-block;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(145deg, #121717, #0d3631);
  box-shadow: 0 10px 22px rgba(11, 25, 22, 0.33);
}

.btn-secondary {
  color: #f8fcfb;
  border-color: rgba(248, 252, 251, 0.45);
}

.btn:hover {
  transform: none;
}

.page-wrap {
  padding: 2.2rem 0 4.2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.1rem;
}

.card {
  grid-column: span 12;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.35rem;
}

.home-card {
  text-decoration: none;
  color: inherit;
  transition: none;
  display: block;
}

.home-card:hover {
  transform: none;
  border-color: var(--accent-3);
}

.home-card h3 {
  margin-bottom: 0.4rem;
}

.home-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.home-card .tag {
  margin-bottom: 0.7rem;
  display: inline-block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(130deg, var(--accent), var(--accent-3));
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}

.span-6 {
  grid-column: span 6;
}

.span-4 {
  grid-column: span 4;
}

.page-header {
  margin-bottom: 1.2rem;
}

.page-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin-bottom: 0.3rem;
}

.page-header p {
  color: var(--muted);
  margin-bottom: 0;
}

.prose {
  font-size: 1.05rem;
  max-width: 78ch;
}

.prose p,
.prose ul,
.prose ol,
.prose table,
.prose blockquote {
  margin-bottom: 1rem;
}

.prose code {
  background: #f4ede1;
  border: 1px solid #e6dac7;
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.4rem 0;
}

.prose h2,
.prose h3,
.prose h4 {
  margin-top: 1.7rem;
}

.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0.9rem auto 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.prose img[width] {
  width: auto;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.6rem 0.7rem;
  text-align: left;
}

.prose th {
  font-family: "Space Grotesk", sans-serif;
  background: var(--bg-alt);
}

.prose blockquote {
  border-left: 4px solid var(--accent);
  margin: 1rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  color: var(--muted);
}

.post-list {
  display: grid;
  gap: 0.95rem;
}

.post-controls {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: minmax(0, 1fr) 230px;
  margin-bottom: 1rem;
}

.control {
  display: grid;
  gap: 0.3rem;
}

.control label {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  color: var(--muted);
}

.control input,
.control select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.65rem 0.75rem;
  font: inherit;
  color: var(--ink);
}

.post-empty {
  margin: 0;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.85rem 0.9rem;
}

.post-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 14px;
  padding: 1.05rem;
}

.post-card:hover {
  border-color: var(--accent);
}

.post-card h3 {
  margin-bottom: 0.35rem;
}

.post-meta {
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-family: "Space Grotesk", sans-serif;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: rgba(244, 238, 229, 0.86);
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  align-items: center;
}

.site-footer .social {
  display: flex;
  gap: 0.75rem;
  font-family: "Space Grotesk", sans-serif;
}

.reading-progress {
  display: none;
}

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

.toc-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffefb;
  padding: 0.85rem;
}

.toc-card h2 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.toc-list a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.92rem;
}

.toc-list a:hover {
  color: var(--accent-2);
}

.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .span-6,
  .span-4 {
    grid-column: span 12;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.4rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    border-radius: 8px;
  }

  .site-header {
    position: sticky;
  }
}

@media (min-width: 1080px) {
  .post-layout {
    grid-template-columns: minmax(0, 2.1fr) minmax(250px, 0.9fr);
    align-items: start;
  }

  .toc-card {
    position: sticky;
    top: 5.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}