/* voice-api — product site.
   Dark, technical, close to the GitHub palette the rest of the devops-monk
   properties use, with teal as the accent so it reads as its own product
   rather than a clone of Vox (violet) or Lector (amber). */

:root {
  --bg:       #0d1117;
  --bg-2:     #161b22;
  --bg-3:     #1c2128;
  --line:     #30363d;
  --line-2:   #21262d;
  --fg:       #e6edf3;
  --fg-2:     #8b949e;
  --fg-3:     #6e7681;
  --teal:     #2dd4bf;
  --teal-dim: #14b8a6;
  --cyan:     #22d3ee;
  --ok:       #3fb950;
  --warn:     #d29922;
  --err:      #f85149;
  --radius:   14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }

/* ---------- nav ---------- */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13,17,23,.82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
nav .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { font-weight: 700; font-size: 16px; color: var(--fg); letter-spacing: -.01em; }
.brand span { color: var(--teal); }
nav a.link { color: var(--fg-2); font-size: 14px; font-weight: 500; }
nav a.link:hover { color: var(--fg); text-decoration: none; }
nav .spacer { flex: 1; }
.ghost {
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 14px;
  font-size: 13px; font-weight: 600; color: var(--fg);
}
.ghost:hover { border-color: var(--teal); color: var(--teal); text-decoration: none; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 86px 0 56px; text-align: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -220px; left: 50%; transform: translateX(-50%);
  width: 820px; height: 460px; background: radial-gradient(closest-side, rgba(45,212,191,.18), transparent);
  pointer-events: none;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(45,212,191,.3); background: rgba(45,212,191,.08);
  color: var(--teal); border-radius: 999px; padding: 6px 14px;
  font-size: 13px; font-weight: 600; margin-bottom: 22px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(63,185,80,.18); }
h1 {
  font-size: clamp(38px, 6vw, 62px); line-height: 1.05; margin: 0 0 18px;
  letter-spacing: -.03em; font-weight: 800;
}
h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--teal), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { font-size: 19px; color: var(--fg-2); max-width: 620px; margin: 0 auto 30px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(100deg, var(--teal-dim), var(--cyan));
  color: #04201d; font-weight: 700; font-size: 15px;
  padding: 12px 24px; border-radius: 10px; border: 0; cursor: pointer;
  font-family: inherit;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.btn.sec {
  background: none; border: 1px solid var(--line); color: var(--fg);
}
.btn.sec:hover { border-color: var(--teal); color: var(--teal); filter: none; }
.btn.stop { background: linear-gradient(100deg, #f85149, #da3633); color: #fff; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 52px 0 0; }
.stat { background: var(--bg); padding: 22px 18px; text-align: center; }
.stat b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(100deg, var(--teal), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 12px; color: var(--fg-3); }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2,1fr); } }

/* ---------- sections ---------- */
section { padding: 72px 0; }
.sec-head { text-align: center; margin-bottom: 38px; }
.sec-head h2 { font-size: 32px; margin: 0 0 10px; letter-spacing: -.02em; font-weight: 750; }
.sec-head p { color: var(--fg-2); margin: 0 auto; max-width: 560px; font-size: 15px; }
.rule { width: 54px; height: 3px; border-radius: 2px; margin: 14px auto 0;
  background: linear-gradient(90deg, var(--teal), var(--cyan)); }

/* ---------- demo ---------- */
.demo { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); overflow: hidden; }
.tabs { display: flex; align-items: center; gap: 4px; border-bottom: 1px solid var(--line); padding: 0 10px; }
.tab {
  background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px;
  color: var(--fg-2); font: 600 14px/1 var(--font); padding: 15px 16px; cursor: pointer;
}
.tab[aria-selected="true"] { color: var(--teal); border-bottom-color: var(--teal); }
.tab:hover { color: var(--fg); }
.keybox {
  margin-left: auto; display: flex; align-items: center; gap: 8px; padding: 8px 0;
}
.panel { padding: 22px; display: none; }
.panel[data-active] { display: grid; grid-template-columns: 1fr 250px; gap: 20px; }
@media (max-width: 860px) { .panel[data-active] { grid-template-columns: 1fr; } }

label.fld { display: block; }
label.fld > span {
  display: block; font-size: 11px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--fg-2); margin-bottom: 7px;
}
textarea, input[type="text"], input[type="password"], select {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--line); border-radius: 9px; padding: 11px 13px;
  font: 15px/1.6 var(--font); outline: none;
}
textarea { resize: vertical; min-height: 148px; }
textarea:focus, input:focus, select:focus { border-color: var(--teal); }
input[type="password"].small { width: 170px; padding: 7px 11px; font-size: 12px; border-radius: 8px; }
input[type="range"] { width: 100%; accent-color: var(--teal); }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.muted { color: var(--fg-3); font-size: 12px; }
.side-note {
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg);
  padding: 13px; font-size: 12px; color: var(--fg-3); line-height: 1.6;
}
.out {
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg);
  padding: 15px; min-height: 148px; font-size: 15.5px; line-height: 1.7;
}
.out.empty { color: var(--fg-3); }
audio { width: 100%; margin-top: 14px; }
.err {
  border: 1px solid rgba(248,81,73,.35); background: rgba(248,81,73,.07);
  color: #ff938c; border-radius: 9px; padding: 11px 13px; font-size: 14px; margin-top: 12px;
}
.spin {
  width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.28);
  border-top-color: #fff; border-radius: 50%; display: inline-block;
  animation: spin .7s linear infinite; vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- cards ---------- */
.grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-2); padding: 22px; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(45,212,191,.4); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; font-size: 16.5px; }
.card p { margin: 0; color: var(--fg-2); font-size: 14.5px; }
.card .ico { font-size: 22px; display: block; margin-bottom: 12px; }

/* ---------- code ---------- */
pre.code {
  border: 1px solid var(--line); border-radius: 12px; background: var(--bg);
  padding: 17px 18px; overflow-x: auto; font-size: 13.5px; line-height: 1.65; margin: 0;
}
.code .c { color: var(--fg-3); }
.code .s { color: #7ee787; }
.code .k { color: var(--cyan); }
.codewrap { position: relative; }
.copy {
  position: absolute; top: 10px; right: 10px; background: var(--bg-3);
  border: 1px solid var(--line); border-radius: 7px; color: var(--fg-2);
  font: 600 11px var(--font); padding: 5px 10px; cursor: pointer;
}
.copy:hover { color: var(--teal); border-color: var(--teal); }

/* ---------- api table ---------- */
.ep { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-bottom: 18px; background: var(--bg-2); }
.ep-h { display: flex; gap: 12px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.verb { font: 700 11px var(--mono); padding: 3px 8px; border-radius: 5px; }
.verb.post { background: rgba(45,212,191,.15); color: var(--teal); }
.verb.get { background: rgba(34,211,238,.15); color: var(--cyan); }
.ep-h code { font-size: 14px; }
.ep-h .t { margin-left: auto; color: var(--fg-2); font-size: 13.5px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--fg-3); padding: 12px 18px 8px; font-weight: 700; }
td { padding: 9px 18px; border-top: 1px solid var(--line-2); color: var(--fg-2); vertical-align: top; }
td:first-child code { color: var(--teal); font-size: 13px; }
.req { color: var(--warn); font-size: 12px; font-weight: 600; }

/* ---------- note ---------- */
.note {
  border: 1px solid rgba(210,153,34,.3); background: rgba(210,153,34,.06);
  border-radius: var(--radius); padding: 22px; text-align: center; color: var(--fg-2);
}
.note strong { color: var(--fg); }

footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--fg-3); font-size: 13.5px; }
footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }