:root {
  --bg: #040b17;
  --bg-deep: #020711;
  --panel: #081528;
  --panel-2: #0c1c32;
  --line: #183553;
  --line-bright: #2e638d;
  --text: #eef7ff;
  --muted: #94abc0;
  --cyan: #30c9ff;
  --cyan-soft: #88e6ff;
  --blue: #147ad6;
  --green: #43e08a;
  --max: 1360px;
  --header-height: 74px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body::selection { background: rgba(48, 201, 255, .25); }
a { color: var(--cyan); text-decoration: none; }
a, button, input, select { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
button, input, select { font: inherit; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-150%);
  background: var(--cyan);
  color: #00101c;
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.wrap { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: .74rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(2, 8, 18, .94);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(100%, 1850px);
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(24px, 2.6vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: flex; align-items: center; min-width: max-content; color: #fff; }
.brand img { width: 68px; height: 56px; object-fit: contain; margin-right: 12px; }
.brand-copy { display: block; }
.brand strong { display: block; font-size: 1.35rem; line-height: 1; letter-spacing: .03em; }
.brand strong span { color: var(--cyan); }
.brand small { display: block; margin-top: 6px; color: #b7c8d8; font-size: .69rem; line-height: 1.1; }
.site-header nav { display: flex; align-items: center; gap: clamp(17px, 1.65vw, 32px); }
.site-header nav a {
  position: relative;
  color: #e4edf5;
  font-size: .82rem;
  font-weight: 650;
  letter-spacing: .035em;
  text-transform: uppercase;
  white-space: nowrap;
}
.site-header nav a:not(.github)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -25px;
  height: 2px;
  background: var(--cyan);
  transition: right .2s ease;
}
.site-header nav a:hover { color: var(--cyan); }
.site-header nav a:hover::after { right: 0; }
.github { border: 1px solid var(--line); padding: 9px 14px; border-radius: 7px; }
.github:hover { border-color: var(--cyan); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; background: transparent; }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; background: #fff; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  min-height: clamp(500px, 29.5vw, 650px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--bg-deep);
}
.hero-background {
  position: absolute;
  inset: 0;
  background-image: url('../images/pudgy-dragon-hero.webp');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 7, 17, .99) 0%, rgba(2, 8, 18, .97) 17%, rgba(2, 8, 18, .82) 29%, rgba(2, 8, 18, .34) 45%, rgba(2, 8, 18, .04) 68%),
    linear-gradient(0deg, rgba(2, 7, 17, .36) 0%, transparent 31%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  min-height: inherit;
  width: min(100%, 1850px);
  margin: 0 auto;
  padding: 48px clamp(28px, 5.8vw, 112px);
  display: flex;
  align-items: center;
}
.hero-copy { width: min(500px, 38vw); }
.hero h1 {
  margin: .55rem 0 1.25rem;
  color: #fff;
  font-size: clamp(2.05rem, 2.45vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.hero h1 span { color: var(--cyan); }
.hero-copy > p:not(.eyebrow):not(.terminal) { max-width: 450px; margin: 0; color: #c2d0dc; font-size: .98rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--cyan), #1ca7e8);
  color: #00101c !important;
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .035em;
  text-transform: uppercase;
  transition: transform .18s ease, filter .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-2px); filter: brightness(1.07); }
.button.secondary { border-color: #2a405b; background: rgba(2, 8, 18, .6); color: #fff !important; }
.button.secondary:hover { border-color: var(--cyan); }
.terminal { margin: 0; color: #d5e2ec; font-size: .85rem; }
.terminal > span { color: var(--green); margin-right: 8px; }
.terminal b { color: var(--cyan); margin: 0 7px; }

/* Search + technology shelf */
.knowledge-entry { padding: 14px 0 20px; background: linear-gradient(180deg, #071426 0%, var(--bg) 100%); }
.search-wrap { position: relative; z-index: 5; width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.search-wrap > label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.search-field { position: relative; }
.search-field input,
.filter-row input,
.filter-row select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  background: #09172a;
  color: #fff;
  padding: 14px 48px 14px 16px;
  font-size: .91rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.search-field input:focus,
.filter-row input:focus,
.filter-row select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(48, 201, 255, .11); }
.search-field > span { position: absolute; right: 17px; top: 50%; transform: translateY(-50%); color: #bbccda; font-size: 1.45rem; }
.search-results {
  position: absolute;
  top: calc(100% + 7px);
  left: 0;
  right: 0;
  z-index: 20;
  overflow: hidden;
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  background: #071426;
  box-shadow: 0 20px 55px rgba(0, 0, 0, .45);
}
.search-results a { display: block; padding: 11px 15px; border-bottom: 1px solid var(--line); color: #fff; }
.search-results a:last-child { border-bottom: 0; }
.search-results a:hover { background: #0c1d33; }
.search-results small { display: block; color: var(--cyan); font-size: .67rem; letter-spacing: .08em; text-transform: uppercase; }
.search-results strong { display: block; font-size: .91rem; }
.search-empty { margin: 0; padding: 14px 15px; color: var(--muted); }
.tool-showcase { padding: 33px 0 8px; }
.tool-showcase-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 17px; }
.tool-showcase-heading h2 { margin: .12rem 0 0; font-size: 1.7rem; line-height: 1.2; }
.tool-showcase-heading > a { font-size: .82rem; }
.tool-strip { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.tool-card {
  min-width: 0;
  min-height: 150px;
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 17px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, #09172a, #06101e);
  color: var(--text);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.tool-card:hover { transform: translateY(-3px); border-color: var(--cyan); background: #0a1b30; }
.tool-card img { width: 44px; height: 44px; flex: 0 0 44px; object-fit: contain; }
.tool-card h3 { margin: 0 0 4px; font-size: .98rem; }
.tool-card p { margin: 0 0 9px; color: var(--muted); font-size: .7rem; line-height: 1.45; }
.tool-card b { color: var(--cyan); font-size: .71rem; }

/* Shared content */
.section { padding: 72px 0; }
.featured-projects { padding-top: 60px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.section-heading h2, .three-col h2 { margin: .15rem 0 0; font-size: 2rem; line-height: 1.2; }
.project-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.project-card {
  min-height: 170px;
  display: flex;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: linear-gradient(145deg, #09172a, #06101e);
  color: #fff;
  transition: transform .18s ease, border-color .18s ease;
}
.project-card:hover { transform: translateY(-3px); border-color: var(--cyan); }
.project-card h3 { margin: 0; }
.project-card p { color: var(--muted); font-size: .84rem; }
.project-card b { color: var(--cyan); font-size: .78rem; }
.project-icon { width: 46px; height: 46px; flex: 0 0 46px; display: grid; place-items: center; border: 1px solid var(--cyan); border-radius: 50%; background: #102b49; color: var(--cyan); font-size: 1.3rem; font-weight: 900; }
.panel-band { padding: 70px 0; border-block: 1px solid var(--line); background: #071426; }
.three-col { display: grid; grid-template-columns: 1fr 1fr .72fr; gap: 26px; }
.guide-list { display: flex; flex-direction: column; }
.guide-list a { padding: 12px 4px; border-bottom: 1px solid var(--line); color: #fff; }
.guide-list a:hover strong { color: var(--cyan); }
.guide-list a span { display: block; color: var(--cyan); font-size: .7rem; text-transform: uppercase; }
.guide-list a strong { font-size: .91rem; }
.guide-list.big a { margin-bottom: 10px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.guide-list.big p { margin: .3rem 0 0; color: var(--muted); }
.category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.category-grid a { padding: 18px; border: 1px solid var(--line); border-radius: 7px; background: #09172a; color: #fff; }
.category-grid a:hover { border-color: var(--cyan); }
.quote { align-self: start; padding: 28px; border: 1px solid var(--line); border-radius: 9px; text-align: center; }
.quote blockquote { margin-inline: 0; color: #dbe7f2; font-style: italic; }
.quote img { width: 74px; margin: 25px auto 0; }
.metrics { width: min(var(--max), calc(100% - 48px)); margin: auto; padding: 44px 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.metrics div { border-right: 1px solid var(--line); text-align: center; }
.metrics div:last-child { border-right: 0; }
.metrics strong { display: block; color: var(--cyan); font-size: 2rem; }
.metrics span { color: var(--muted); }

/* Pages and documentation */
.page-hero { padding: 80px 0 55px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 80% 0, #123d62 0, transparent 35%), #071426; }
.page-hero h1 { margin: .2rem 0; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.08; }
.page-hero p { max-width: 760px; color: var(--muted); }
.prose { max-width: 900px; padding-top: 55px; padding-bottom: 80px; }
.prose h2 { margin-top: 2.3rem; color: #fff; }
.prose h3 { color: #d9ebf9; }
.prose pre { overflow: auto; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #020811; }
.prose code { color: #a8e9ff; }
.prose :not(pre) > code { padding: 2px 5px; border-radius: 4px; background: #10213a; }
.prose table { width: 100%; border-collapse: collapse; }
.prose th, .prose td { padding: 10px; border: 1px solid var(--line); text-align: left; }
.prose blockquote { margin-left: 0; padding-left: 18px; border-left: 3px solid var(--cyan); color: var(--muted); }
.doc-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 45px; }
.doc-layout aside { position: sticky; top: 100px; align-self: start; margin-top: 55px; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.doc-layout dt { margin-top: 12px; color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.doc-layout dd { margin: 0; }
.filter-row { display: grid; grid-template-columns: 1fr 220px; gap: 10px; margin-bottom: 25px; }
.filter-row select { appearance: auto; }

/* Footer */
.site-footer { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 30px; align-items: center; padding: 42px max(24px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); color: var(--muted); }
.footer-brand { display: flex; align-items: center; color: #fff; }
.footer-brand img { width: 46px; margin-right: 10px; }
.site-footer p:last-child { text-align: right; }

@media (max-width: 1250px) {
  .site-header nav { gap: 18px; }
  .site-header nav a { font-size: .76rem; }
  .tool-strip { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  :root { --header-height: 72px; }
  .header-inner { padding-inline: 20px; }
  .brand img { width: 52px; height: 46px; }
  .brand strong { font-size: 1.06rem; }
  .brand small { font-size: .58rem; }
  .nav-toggle { display: block; }
  .site-header nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px 20px 22px;
    border-bottom: 1px solid var(--line);
    background: #071426;
  }
  .site-header nav.open { display: flex; }
  .site-header nav a { padding: 12px 4px; border-bottom: 1px solid rgba(24, 53, 83, .7); }
  .site-header nav a::after { display: none; }
  .github { margin-top: 10px; text-align: center; }

  .hero { min-height: 760px; }
  .hero-background { background-size: auto 50%; background-position: center bottom; background-color: #061426; }
  .hero-shade { background: linear-gradient(180deg, #05101f 0%, rgba(5,16,31,.98) 42%, rgba(5,16,31,.30) 63%, rgba(5,16,31,.03) 100%); }
  .hero-inner { align-items: flex-start; padding: 58px 24px 370px; }
  .hero-copy { width: min(650px, 100%); }
  .hero h1 { font-size: clamp(2.6rem, 8vw, 4.2rem); text-transform: none; }

  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .three-col { grid-template-columns: 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-layout aside { position: static; }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 25px; }
  .metrics div { border-right: 0; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer p:last-child { text-align: left; }
}

@media (max-width: 700px) {
  .wrap, .search-wrap, .metrics { width: min(100% - 34px, var(--max)); }
  .hero { min-height: 790px; }
  .hero-background { background-size: auto 45%; background-position: 55% bottom; }
  .hero-inner { padding: 46px 20px 350px; }
  .hero h1 { font-size: clamp(2.15rem, 11vw, 3.2rem); }
  .hero .actions { gap: 9px; }
  .hero-github { display: none; }

  .tool-showcase { width: 100%; }
  .tool-showcase-heading { width: calc(100% - 34px); margin-inline: auto; align-items: flex-start; }
  .tool-showcase-heading h2 { font-size: 1.45rem; }
  .tool-showcase-heading > a { font-size: .77rem; }
  .tool-strip { display: flex; overflow-x: auto; gap: 12px; padding: 0 17px 13px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
  .tool-card { flex: 0 0 84%; min-height: 136px; scroll-snap-align: start; }

  .section { padding: 55px 0; }
  .project-grid, .category-grid { grid-template-columns: 1fr; }
  .project-card { min-height: auto; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .filter-row { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .page-hero { padding-top: 55px; }
}

@media (max-width: 430px) {
  .brand small { display: none; }
  .brand img { width: 46px; margin-right: 8px; }
  .hero { min-height: 750px; }
  .hero-background { background-size: auto 42%; }
  .hero-inner { padding-bottom: 325px; }
  .button { padding-inline: 14px; }
}