/* zz-drop — single stylesheet, dark only, palette-locked */

:root {
  --bg:       #1a1b26;
  --mint:     #4fd6be;
  --cyan:     #7dcfff;
  --fg:       #c0caf5;
  --fg-mute:  #828bb8;
  --border:   #3b4261;

  --bg-elev:  #1f2030; /* derived: subtle surface, not in palette but a tint of bg for cards */
  --maxw:     1080px;

  --mono: ui-monospace, "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* skip-to-content (a11y) — visually hidden until keyboard focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--mint);
  color: var(--bg);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  z-index: 9999;
  transition: top 120ms ease;
}
.skip-link:focus { top: 0.5rem; outline: 2px solid var(--cyan); }

html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg { max-width: 100%; display: block; }

a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}
a:hover { border-bottom-color: var(--cyan); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--mint); color: var(--bg); }

h1, h2, h3, h4 {
  color: var(--fg);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.75rem); }
h3 { font-size: 1.05rem; }

p { margin: 0 0 1.1em; text-wrap: pretty; }

code, kbd, samp, pre { font-family: var(--mono); font-size: 0.92em; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 4rem 0;
}

/* layout */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; }

/* nav */
.nav {
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: none;
}
.nav-brand:hover { border: none; }
.nav-brand img { width: 28px; height: 28px; border-radius: 6px; }
.nav-brand .accent { color: var(--mint); }
.nav-links {
  display: flex;
  gap: 1.6rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.nav-links a {
  color: var(--fg-mute);
  border: none;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a[aria-current="page"] { color: var(--mint); }

/* hero */
.hero {
  padding: 4.5rem 0 4.5rem;
}
.hero h1 {
  margin-bottom: 0.5rem;
}
.tagline {
  color: var(--fg);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 0.8rem;
  max-width: 28ch;
  text-wrap: balance;
}
.subtagline {
  color: var(--fg-mute);
  font-family: var(--mono);
  font-size: 0.95rem;
  margin: 0 0 2.5rem;
}
.subtagline .sep { color: var(--border); margin: 0 0.6rem; }

/* terminal embed */
.terminal {
  width: 100%;
  max-width: 800px;
  height: 400px;
  background: #13141c;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin: 0 0 2.5rem;
  box-shadow: 0 1px 0 rgba(255,255,255,0.02) inset;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}
.terminal-bar .dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--border);
}
.terminal-bar .title {
  margin-left: 0.6rem;
  color: var(--fg-mute);
  font-family: var(--mono);
  font-size: 0.78rem;
}
.terminal-body {
  flex: 1;
  padding: 1.4rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--fg);
  overflow: auto;
  white-space: pre;
}
.terminal-body .prompt { color: var(--fg-mute); user-select: none; }
.terminal-body .cmd    { color: var(--fg); }
.terminal-body .ok     { color: var(--mint); }
.terminal-body .meta   { color: var(--cyan); }
.terminal-body .dim    { color: var(--fg-mute); }
.terminal-body .blink  {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  vertical-align: -0.18em;
  background: var(--mint);
  margin-left: 2px;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .terminal-body .blink { animation: none; opacity: 1; }
}

/* buttons */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 80ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover { border-bottom: 1px solid; }
.btn-primary {
  background: var(--mint);
  color: #0d1117;
  border-color: var(--mint);
}
.btn-primary:hover {
  background: #6be0cb;
  border-color: #6be0cb;
  border-bottom-color: #6be0cb;
}
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* sections */
section { padding: 4.5rem 0; }
.section-eyebrow {
  display: block;
  color: var(--fg-mute);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}
.section-head { margin-bottom: 2.5rem; }

/* value cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  padding: 1.6rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255,255,255,0.012), transparent);
}
.card h3 {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 0.85rem;
}
.card p { color: var(--fg-mute); margin: 0; font-size: 0.95rem; line-height: 1.65; }

/* install code blocks */
.install-blocks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.code-block {
  background: #13141c;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.05rem 1.2rem;
  overflow-x: auto;
}
.code-label {
  display: block;
  color: var(--fg-mute);
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-bottom: 0.55rem;
  letter-spacing: 0.04em;
}
.code-block pre {
  margin: 0;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.55;
  white-space: pre;
}
.code-block .c-cmd { color: var(--fg); }
.code-block .c-flag { color: var(--cyan); }
.install-note {
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-mute);
}

/* providers */
.providers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.provider {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.provider-name {
  font-weight: 600;
  color: var(--fg);
}
.provider-meta {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--fg-mute);
  text-align: right;
}
.provider.planned { opacity: 0.7; }
.provider.planned .provider-name::after {
  content: " · planned";
  color: var(--cyan);
  font-weight: 400;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* compare table */
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}
.compare thead th {
  text-align: left;
  padding: 0.85rem 1rem;
  color: var(--fg-mute);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.compare td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare tbody tr:last-child td { border-bottom: none; }
.compare td:first-child {
  font-family: var(--mono);
  color: var(--mint);
  width: 22%;
  white-space: nowrap;
}
.compare td:nth-child(2) { color: var(--fg-mute); width: 39%; }
.compare td:nth-child(3) { color: var(--fg); width: 39%; }

/* security strip */
.security-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem 2rem;
  margin-bottom: 2rem;
}
.claim {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 0.97rem;
  color: var(--fg);
}
.claim .check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  color: var(--mint);
}
.security-strip + .read-more {
  font-family: var(--mono);
  font-size: 0.88rem;
}

/* footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 3.5rem;
  margin-top: 3rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-mute);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  margin-bottom: 1rem;
}
.footer-links a { color: var(--fg-mute); }
.footer-links a:hover { color: var(--fg); }
.footer-meta { color: var(--fg-mute); opacity: 0.75; }

/* prose pages */
.prose {
  max-width: 720px;
  padding: 4rem 0 3rem;
}
.prose h1 { margin-bottom: 0.4rem; }
.prose .lead {
  color: var(--fg-mute);
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  margin-bottom: 3rem;
}
.prose h2 {
  margin-top: 3rem;
  font-size: 1.2rem;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mint);
}
.prose h3 {
  margin-top: 2rem;
  font-size: 1rem;
  font-weight: 600;
}
.prose p { color: var(--fg); }
.prose ul {
  padding-left: 1.2rem;
  color: var(--fg);
  margin: 0 0 1.2em;
}
.prose ul li { margin-bottom: 0.4rem; }
.prose ul li::marker { color: var(--fg-mute); }
.prose .key-block {
  background: #13141c;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--cyan);
  margin: 1.2em 0 1.6em;
  white-space: pre-wrap;
}

/* responsive */
@media (max-width: 800px) {
  section { padding: 3.5rem 0; }
  .hero { padding: 3rem 0 3rem; }
  .cards { grid-template-columns: 1fr; }
  .providers { grid-template-columns: 1fr; }
  .security-strip { grid-template-columns: 1fr; }
  .compare td:first-child { width: auto; }
  .compare,
  .compare thead,
  .compare tbody,
  .compare tr,
  .compare td,
  .compare th { display: block; }
  .compare thead { display: none; }
  .compare tr {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
  }
  .compare td { padding: 0.25rem 0; border: none; }
  .compare td:first-child { color: var(--mint); margin-bottom: 0.3rem; }
  .compare td:nth-child(2)::before {
    content: "is: ";
    color: var(--fg-mute);
    font-family: var(--mono);
    font-size: 0.78rem;
  }
  .compare td:nth-child(3)::before {
    content: "zz-drop: ";
    color: var(--mint);
    font-family: var(--mono);
    font-size: 0.78rem;
  }
  .terminal { height: 320px; }
  .nav-links { gap: 1rem; font-size: 0.78rem; }
}

@media (max-width: 480px) {
  .terminal-body { font-size: 0.78rem; padding: 1rem 1.1rem; }
  .nav-links a:not(.gh-link) { display: none; }
}

/* print: clean B&W output for the prose pages (privacy / terms / security
   / 404). Strip nav, footer, terminal demo, hero CTAs; keep the article. */
@media print {
  :root { color-scheme: light; }
  html, body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; color: #444; }
  a[href^="mailto:"]::after { content: ""; }
  .nav, .site-footer, .skip-link, .cta-row, .terminal,
  .hero .subtagline, .install-blocks, .providers, .compare,
  .security-strip { display: none; }
  .wrap { max-width: none; padding: 0; }
  .prose, article { max-width: 65ch; margin: 0 auto; }
  h1, h2, h3 { color: #000; page-break-after: avoid; }
  pre, code { background: #f3f3f3; color: #000; }
  .key-block { border: 1px solid #999; background: #f7f7f7; color: #000; word-break: break-all; }
}