:root {
  --bg: #f4f1ea;
  --bg-deep: #ece7dc;
  --paper: #fffdf9;
  --paper-2: #faf7f1;
  --ink: #1d2734;
  --heading: #162233;
  --muted: #596170;
  --em: #4f5865;
  --accent: #0b4f73;
  --accent-2: #b17a35;
  --link-hover: #083a56;
  --line: #d6d1c5;
  --line-strong: #c8c0b2;
  --table-head-bg: color-mix(in srgb, var(--paper-2) 68%, #d9d2c5 32%);
  --quote-bg: color-mix(in srgb, var(--paper-2) 84%, white 16%);
  --quote-ink: #445160;
  --success: #2d6b48;
  --header-glass: linear-gradient(180deg, rgba(255, 255, 255, 0.44) 0%, rgba(255, 255, 255, 0.04) 100%);
  --nav-bg: color-mix(in srgb, var(--paper) 86%, white 14%);
  --shadow-soft: 0 16px 44px rgba(21, 30, 43, 0.09);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #121a24;
  --bg-deep: #0b111a;
  --paper: #162231;
  --paper-2: #111b28;
  --ink: #e5ecf5;
  --heading: #eff5ff;
  --muted: #aeb8c8;
  --em: #c2ccdb;
  --accent: #77bbde;
  --accent-2: #e0ad6a;
  --link-hover: #a4d5ef;
  --line: #2a3a4d;
  --line-strong: #405065;
  --table-head-bg: color-mix(in srgb, var(--paper-2) 76%, #1d2d3f 24%);
  --quote-bg: color-mix(in srgb, var(--paper-2) 86%, #0d1623 14%);
  --quote-ink: #d3deec;
  --success: #77d39b;
  --header-glass: linear-gradient(180deg, rgba(9, 14, 22, 0.7) 0%, rgba(9, 14, 22, 0.2) 100%);
  --nav-bg: color-mix(in srgb, var(--paper) 90%, #05090e 10%);
  --shadow-soft: 0 16px 44px rgba(2, 5, 10, 0.45);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

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

html {
  font-size: 18px;
}

body {
  min-height: 100%;
  background:
    radial-gradient(circle at 85% -4%, rgba(11, 79, 115, 0.16) 0%, rgba(11, 79, 115, 0) 34%),
    radial-gradient(circle at 10% 0%, rgba(177, 122, 53, 0.1) 0%, rgba(177, 122, 53, 0) 30%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 26%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Literata", Georgia, "Times New Roman", serif;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(960px, 92vw);
  margin: 0 auto;
}

.bg-accent {
  position: fixed;
  inset: -190px auto auto -180px;
  width: 480px;
  height: 480px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(11, 79, 115, 0.14) 0%, rgba(11, 79, 115, 0) 68%);
  filter: blur(24px);
  pointer-events: none;
  z-index: -1;
}

.site-header {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: 4rem 0 2.45rem;
  background: var(--header-glass);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(11, 79, 115, 0.45) 18%, rgba(177, 122, 53, 0.42) 74%, transparent 100%);
}

.site-header h1 {
  margin: 0;
  font-family: "Manrope", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(2.2rem, 4.7vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

.kicker {
  margin: 0 0 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: "Manrope", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.71rem;
  font-weight: 600;
  color: var(--muted);
}

.tagline {
  color: var(--muted);
  max-width: 67ch;
  margin-top: 0.85rem;
  font-size: 0.97rem;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 110;
  border-bottom: 1px solid var(--line);
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
}

.nav-shell {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  min-height: 3.2rem;
}

.nav-controls {
  display: flex;
  gap: 0.5rem;
  padding: 0.45rem 0;
}

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

.theme-toggle,
.nav-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  color: var(--muted);
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.theme-toggle:hover,
.nav-toggle:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.theme-toggle:active,
.nav-toggle:active {
  transform: translateY(1px);
}

.theme-toggle:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 58%, transparent);
  outline-offset: 2px;
}

.theme-icon {
  width: 1.08rem;
  height: 1.08rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[data-theme="dark"] .theme-icon-sun {
  display: none;
}

[data-theme="light"] .theme-icon-moon {
  display: none;
}

.nav-toggle {
  position: relative;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  display: block;
  transition: transform 220ms ease, opacity 220ms ease;
}

.nav-toggle-bars {
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  transform: rotate(90deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  opacity: 0;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 125;
  background: rgba(8, 12, 18, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 130;
  width: min(360px, 88vw);
  height: 100dvh;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border-right: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transform: translateX(-100%);
  transition: transform 260ms ease;
  overflow-y: auto;
}

.nav-drawer.is-open {
  transform: translateX(0);
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 1rem 0.95rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.nav-item > a,
.nav-parent {
  display: block;
  padding: 0.66rem 0.8rem;
  border-radius: 9px;
  font-family: "Manrope", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 180ms ease, background-color 180ms ease;
}

.nav-item > a:hover,
.nav-parent:hover,
.nav-item > a.active {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.nav-children {
  list-style: none;
  margin: 0.15rem 0 0.4rem 0.74rem;
  padding: 0.15rem 0 0.1rem 0.7rem;
  border-left: 1px solid var(--line);
}

.nav-children li a {
  display: block;
  padding: 0.4rem 0.7rem;
  border-radius: 7px;
  font-family: "Manrope", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease;
}

.nav-children li a:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.nav-children li a.active {
  color: var(--ink);
  font-weight: 650;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.prose {
  position: relative;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  margin-top: 1.75rem;
  margin-bottom: 3rem;
  padding: clamp(1.4rem, 2.8vw, 2.35rem);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.prose::before {
  content: "";
  position: absolute;
  left: 1.3rem;
  right: 1.3rem;
  top: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(11, 79, 115, 0.9), rgba(177, 122, 53, 0.85));
}

.prose > :first-child {
  margin-top: 0.25rem;
}

.prose h1,
.prose h2,
.prose h3 {
  line-height: 1.2;
  margin-top: 2.25rem;
  margin-bottom: 0.78rem;
  letter-spacing: -0.012em;
  font-weight: 600;
  color: var(--heading);
  text-wrap: balance;
}

.prose h1 {
  font-size: clamp(1.95rem, 3vw, 2.46rem);
}

.prose h2 {
  font-size: clamp(1.42rem, 2.4vw, 1.84rem);
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.prose h3 {
  font-size: clamp(1.14rem, 1.8vw, 1.34rem);
}

.prose p,
.prose li {
  max-width: 72ch;
}

.prose p {
  margin: 0 0 1.08rem;
}

.prose strong {
  font-weight: 700;
}

.prose em {
  color: var(--em);
}

.prose a {
  color: var(--accent);
  text-decoration-color: color-mix(in srgb, var(--accent) 48%, transparent);
  text-underline-offset: 0.15em;
  text-decoration-thickness: 0.07em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.prose a:hover {
  color: var(--link-hover);
  text-decoration-color: color-mix(in srgb, var(--accent-2) 78%, transparent);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.35rem 0;
  font-size: 0.92rem;
}

.prose th,
.prose td {
  padding: 0.55rem 0.72rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--table-head-bg);
  font-family: "Manrope", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.prose ul,
.prose ol {
  padding-left: 1.45rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

.prose input[type="checkbox"] {
  margin-right: 0.45rem;
  accent-color: var(--accent);
}

.prose blockquote {
  margin: 1.35rem 0;
  padding: 0.88rem 1.08rem;
  border-left: 3px solid var(--accent-2);
  background: var(--quote-bg);
  color: var(--quote-ink);
  font-style: italic;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.phase-pending,
.phase-active,
.phase-complete {
  position: relative;
  padding-left: 1.2rem;
}

.phase-pending::before,
.phase-active::before,
.phase-complete::before {
  position: absolute;
  left: 0;
  font-size: 0.75rem;
  line-height: 1.2;
  top: 2.2rem;
}

.phase-pending::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  top: 2.35rem;
}

.phase-active::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--accent);
  top: 2.35rem;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.phase-complete::before {
  content: "\2713";
  color: var(--success);
  font-weight: 700;
  top: 2.15rem;
}

body.menu-open {
  overflow: hidden;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.91rem;
  padding: 1rem 0 2.3rem;
}

.site-footer p {
  max-width: 72ch;
}

@media (max-width: 700px) {
  html {
    font-size: 17px;
  }

  .site-header {
    padding-top: 2.9rem;
    padding-bottom: 2rem;
  }

  .prose {
    border-radius: 10px;
    padding: 1.2rem 1rem 1.35rem;
  }

  .prose::before {
    left: 1rem;
    right: 1rem;
  }

  .nav-children {
    margin-left: 0.58rem;
    padding-left: 0.58rem;
  }

  .nav-drawer {
    width: min(338px, 92vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}