/* Tusk branding site — terminal aesthetic matching the TUI theme
   (see internal/tui/theme/theme.go) */

:root {
  --cyan: #00d7ff; /* primary accent / logo */
  --orange: #d78700; /* secondary accent / labels */
  --green: #00d700;
  --yellow: #ffd700;
  --red: #ff5f5f;
  --blue: #005faf;
  --blue-bright: #0087af;

  --bg: #0a0a0a;
  --panel: #141414;
  --panel-2: #1c1c1c;
  --header-bg: #303030;
  --border: #2a2a2a;
  --fg: #d0d0d0;
  --fg-bright: #ffffff;
  --dim: #585858;

  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Menlo", "Cascadia Code",
    "Consolas", monospace;
  --maxw: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--cyan);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* subtle terminal scanline / grid backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    1200px 600px at 50% -10%,
    rgba(0, 215, 255, 0.06),
    transparent 70%
  );
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-transform: lowercase;
}
.nav-brand::before {
  content: "> ";
  color: var(--orange);
}
.nav-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--fg);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
  text-decoration: none;
}

/* ---------- Layout ---------- */
main {
  position: relative;
  z-index: 1;
}
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}
section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
}
h1,
h2,
h3 {
  color: var(--fg-bright);
  line-height: 1.25;
}
h2 {
  font-size: 1.6rem;
  margin-top: 0;
}
h2::before {
  content: "# ";
  color: var(--orange);
}
.muted {
  color: var(--dim);
}
.accent {
  color: var(--cyan);
}

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 4rem 1.25rem 3.5rem;
}
.hero .logo {
  color: var(--cyan);
  font-size: clamp(0.5rem, 2.1vw, 1rem);
  line-height: 1.1;
  margin: 0 auto 1.5rem;
  display: inline-block;
  text-align: left;
  text-shadow: 0 0 18px rgba(0, 215, 255, 0.35);
  white-space: pre;
  overflow-x: auto;
  max-width: 100%;
}
.hero .tagline {
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  color: var(--fg-bright);
  margin: 0.5rem auto 0.75rem;
  max-width: 40ch;
}
.hero .sub {
  color: var(--dim);
  max-width: 60ch;
  margin: 0 auto 1.75rem;
}

/* ---------- Buttons ---------- */
.btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg);
  background: var(--panel);
  font-weight: 600;
  transition: all 0.15s ease;
}
.btn:hover {
  text-decoration: none;
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan);
}
.btn-primary {
  background: var(--cyan);
  color: #001217;
  border-color: var(--cyan);
}
.btn-primary:hover {
  background: #4ce4ff;
  color: #001217;
  box-shadow: 0 0 22px rgba(0, 215, 255, 0.45);
}

/* ---------- Code ---------- */
code {
  font-family: var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  color: var(--cyan);
  font-size: 0.9em;
}
pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  position: relative;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--fg);
}
.terminal {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}
.terminal-bar {
  background: var(--header-bg);
  padding: 0.5rem 0.75rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.dot.r {
  background: var(--red);
}
.dot.y {
  background: var(--yellow);
}
.dot.g {
  background: var(--green);
}
.terminal pre {
  border: none;
  border-radius: 0;
  margin: 0;
}
.terminal .prompt {
  color: var(--orange);
}

/* ---------- Feature grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  transition: border-color 0.15s ease;
}
.card:hover {
  border-color: var(--blue-bright);
}
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--cyan);
}
.card h3 .tag {
  color: var(--orange);
  margin-right: 0.4rem;
}
.card p {
  margin: 0;
  color: var(--fg);
}

/* ---------- Screenshots ---------- */
.shot {
  margin: 2rem auto 0;
  max-width: 900px;
}
.shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}
.shot figcaption {
  text-align: center;
  color: var(--dim);
  margin-top: 0.6rem;
  font-size: 0.85rem;
}

/* ---------- Tables ---------- */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.25rem 0;
  font-size: 0.9rem;
}
th,
td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--orange);
  border-bottom: 1px solid var(--blue);
}
tr:hover td {
  background: var(--panel);
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2.5rem 1.25rem;
  color: var(--dim);
  font-size: 0.85rem;
}
.footer a {
  color: var(--dim);
}
.footer a:hover {
  color: var(--cyan);
}

/* ---------- Generated documentation page ---------- */
.docs {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: start;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.docs-nav {
  position: sticky;
  top: 68px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  padding: 1rem;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
}
.docs-nav h4 {
  margin: 0 0 0.6rem;
  color: var(--orange);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.docs-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.docs-nav li {
  margin: 0.2rem 0;
}
.docs-nav a {
  color: var(--fg);
  font-size: 0.85rem;
  word-break: break-word;
}
.docs-nav a:hover {
  color: var(--cyan);
}
.docs-content {
  min-width: 0;
}
.docs-content .pkg {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}
.docs-content .pkg-path {
  color: var(--dim);
  font-size: 0.85rem;
  margin: 0 0 0.25rem;
}
.docs-content h2 {
  scroll-margin-top: 80px;
}
.docs-content h3 {
  color: var(--cyan);
  scroll-margin-top: 80px;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 1.5rem;
}
.decl {
  font-size: 0.85rem;
  margin: 0.5rem 0 0.75rem;
}
.docs-empty {
  color: var(--dim);
  font-style: italic;
}

/* ---------- Responsive ---------- */
@media (max-width: 780px) {
  .docs {
    grid-template-columns: 1fr;
  }
  .docs-nav {
    position: static;
    max-height: none;
  }
}