/* TurkNode — graphite + mint, monospace headings. Logical properties throughout so the
   Persian (RTL) pages mirror without a second stylesheet. */
:root {
  --bg: #0c0f0e;
  --bg2: #101413;
  --surface: #131917;
  --surface2: #18201d;
  --line: #222c28;
  --line2: #2e3a35;
  --text: #e6edea;
  --text2: #a3b4ad;
  --text3: #74867f;
  --mint: #3ddc97;
  --mint-dim: rgba(61, 220, 151, 0.1);
  --mint-line: rgba(61, 220, 151, 0.3);
  --sky: #7dd3fc;
  --warn: #f5c451;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 6px;
  --wrap: 1120px;
  color-scheme: dark;
}
.lang-fa { --sans: 'Vazirmatn', 'Inter', system-ui, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mint); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; border-radius: 3px; }
img { max-width: 100%; }
code, .mono { font-family: var(--mono); }
code { font-size: 0.88em; background: var(--surface2); border: 1px solid var(--line); padding: 0.05em 0.35em; border-radius: 4px; color: var(--text); unicode-bidi: isolate; direction: ltr; }
h1, h2, h3 { font-family: var(--mono); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 0.6em; }
.lang-fa h1, .lang-fa h2, .lang-fa h3 { font-family: var(--sans); letter-spacing: 0; }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); }
h2 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; inset-inline-start: -9999px; top: 8px; background: var(--mint); color: #06100b; padding: 8px 12px; border-radius: var(--radius); z-index: 100; }
.skip:focus { inset-inline-start: 8px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 20px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  background: var(--mint); color: #06100b; font: 600 0.95rem/1 var(--mono);
  padding: 12px 18px; border-radius: var(--radius); border: 1px solid var(--mint);
  white-space: nowrap; transition: background 0.15s, transform 0.15s;
}
.lang-fa .btn { font-family: var(--sans); }
.btn:hover { text-decoration: none; background: #5ce6a9; }
.btn:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line2); }
.btn-ghost:hover { background: var(--surface2); }
.btn-sm { padding: 8px 12px; font-size: 0.85rem; }

/* header */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: rgba(12, 15, 14, 0.86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font: 700 1.15rem/1 var(--mono); color: var(--text); }
.logo:hover { text-decoration: none; }
.logo .prompt { color: var(--mint); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link, .dd > summary { color: var(--text2); padding: 8px 10px; border-radius: var(--radius); font-size: 0.93rem; cursor: pointer; }
.nav-link:hover, .dd > summary:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.nav-link[aria-current] { color: var(--text); }
.nav .btn { margin-inline-start: 6px; }
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
.dd { position: relative; }
.dd > summary::after { content: ''; display: inline-block; width: 6px; height: 6px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); margin-inline-start: 8px; vertical-align: 3px; }
.dd:not([open]) > .dd-panel { display: none; }
.dd-panel { position: absolute; top: calc(100% + 6px); inset-inline-start: 0; min-width: 210px; background: var(--surface); border: 1px solid var(--line2); border-radius: var(--radius); padding: 6px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45); display: grid; }
.dd-panel a { color: var(--text2); padding: 8px 10px; border-radius: 4px; }
.dd-panel a:hover, .dd-panel a[aria-current] { color: var(--text); background: var(--surface2); text-decoration: none; }
.dd.lang .dd-panel { inset-inline-start: auto; inset-inline-end: 0; min-width: 150px; }
.nav-btn { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }

@media (max-width: 900px) {
  .nav-btn { display: grid; gap: 5px; }
  .nav-btn span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
  .nav { display: none; }
  .top.open .nav { display: flex; }
  .nav { position: absolute; top: 64px; inset-inline: 0; flex-direction: column; align-items: stretch; background: var(--bg2); border-bottom: 1px solid var(--line); padding: 10px 20px 20px; max-height: calc(100vh - 64px); overflow-y: auto; }
  .dd-panel { position: static; box-shadow: none; border: 0; padding: 0 0 0 12px; background: transparent; }
  .nav .btn { margin: 8px 0 0; }
}

/* hero */
.hero { padding: 56px 0 28px; border-bottom: 1px solid var(--line); background:
  radial-gradient(900px 300px at 85% -10%, rgba(61, 220, 151, 0.08), transparent 70%),
  linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 100% 32px; background-color: var(--bg); }
.hero.home { padding: 72px 0 56px; }
.hero h1 { max-width: 22ch; }
.lead { font-size: 1.13rem; color: var(--text2); max-width: 62ch; }
.eyebrow { color: var(--mint); font-size: 0.85rem; margin-bottom: 14px; }
.crumbs { font-size: 0.85rem; color: var(--text3); margin-bottom: 18px; }
.crumbs a { color: var(--text3); }
.crumbs a:hover { color: var(--text); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.from { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--text3); font-size: 0.85rem; margin-top: 18px; }
.from span::before { content: '● '; color: var(--mint); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.term { background: #070908; border: 1px solid var(--line2); border-radius: 10px; overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5); }
.term-bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line2); }
.term pre { margin: 0; padding: 18px; font: 0.86rem/1.8 var(--mono); color: var(--text2); white-space: pre-wrap; word-break: break-all; }
.term .cmd { color: var(--text); }
.term .dim { color: var(--mint); }
.cursor { display: inline-block; width: 8px; height: 1em; background: var(--mint); vertical-align: -2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } }

/* content blocks */
.content { padding-block: 24px 64px; }
.block { padding-block: 36px; border-bottom: 1px dashed var(--line); }
.block:last-of-type { border-bottom: 0; }
.sub { color: var(--text3); font-size: 0.92rem; margin-top: -0.4em; }
.more { margin: 14px 0 0; font-family: var(--mono); font-size: 0.9rem; }
.prose p { max-width: 72ch; color: var(--text2); }

.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0; }
.specs > div { background: var(--surface); padding: 16px 18px; }
.specs dt { font: 600 0.78rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: 0.04em; color: var(--mint); margin-bottom: 6px; }
.lang-fa .specs dt { font-family: var(--sans); text-transform: none; letter-spacing: 0; font-size: 0.85rem; }
.specs dd { margin: 0; color: var(--text); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
th, td { padding: 12px 14px; text-align: start; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:last-child > * { border-bottom: 0; }
thead th { font: 600 0.75rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text3); background: var(--bg2); }
.lang-fa thead th { font-family: var(--sans); text-transform: none; letter-spacing: 0; font-size: 0.85rem; }
.num { text-align: end; font-family: var(--mono); white-space: nowrap; }
.plans tbody tr:hover { background: var(--surface2); }
.plans th[scope=row] { font-weight: 600; white-space: nowrap; }
.plans .price { color: var(--text); font-weight: 600; }
.plans .price small { color: var(--text3); font-weight: 400; margin-inline-start: 2px; }
.plans .act { text-align: end; width: 1%; }
.plans tr.group th { background: var(--bg2); color: var(--mint); font: 600 0.78rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: 0.05em; }
.lang-fa .plans tr.group th { font-family: var(--sans); text-transform: none; }
@media (max-width: 640px) { .hide-sm { display: none; } th, td { padding: 10px; } }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { position: relative; display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; color: var(--text); transition: border-color 0.15s, background 0.15s; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--text2); margin: 0; font-size: 0.95rem; }
.card.link:hover { border-color: var(--mint-line); background: var(--surface2); text-decoration: none; }
.card .arrow { position: absolute; top: 18px; inset-inline-end: 18px; color: var(--mint); font-family: var(--mono); }
[dir=rtl] .arr { display: inline-block; transform: scaleX(-1); }
.term pre span[dir=auto] { unicode-bidi: plaintext; }

.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; gap: 10px; }
.steps li { counter-increment: s; position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px 14px 58px; color: var(--text2); }
[dir=rtl] .steps li { padding: 14px 58px 14px 16px; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; inset-inline-start: 16px; top: 14px; font: 700 0.9rem/1.65 var(--mono); color: var(--mint); }

.faq { display: grid; gap: 8px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.faq summary { cursor: pointer; padding: 14px 16px; font-weight: 600; display: flex; gap: 12px; justify-content: space-between; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--mint); }
.faq details[open] summary::after { content: '−'; }
.faq details > div { padding: 0 16px 16px; color: var(--text2); }

.code { position: relative; background: #070908; border: 1px solid var(--line2); border-radius: var(--radius); }
.code pre { margin: 0; padding: 18px; overflow-x: auto; font: 0.86rem/1.7 var(--mono); color: var(--text); text-align: left; }
.code pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.copy { font: 600 0.75rem/1 var(--mono); color: var(--text2); background: var(--surface2); border: 1px solid var(--line2); border-radius: 4px; padding: 6px 9px; cursor: pointer; }
.copy:hover { color: var(--text); }
.code > .copy { position: absolute; top: 10px; right: 10px; }

.notice { background: var(--surface); border: 1px solid var(--line); border-inline-start: 3px solid var(--warn); border-radius: var(--radius); padding: 16px 18px; margin-block: 28px; }
.notice strong { display: block; font-family: var(--mono); color: var(--warn); margin-bottom: 4px; }
.lang-fa .notice strong { font-family: var(--sans); }
.notice p { margin: 0; color: var(--text2); }

.compare th[scope=row] { color: var(--text2); font-weight: 500; }
.compare td { color: var(--text); }

.cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; background: linear-gradient(135deg, var(--surface2), var(--surface)); border: 1px solid var(--mint-line); border-radius: 10px; padding: 26px 28px; margin-block: 36px; }
.cta h2 { margin-bottom: 6px; }
.cta p { margin: 0; color: var(--text2); }

.latency { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; }
.latency li { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 14px; }
.latency .city { color: var(--text2); }
.latency .lt-bar { height: 8px; background: var(--surface2); border-radius: 4px; overflow: hidden; }
.latency .lt-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--mint), var(--sky)); border-radius: 4px; }
[dir=rtl] .latency .lt-bar span { background: linear-gradient(-90deg, var(--mint), var(--sky)); }
.latency .ms { text-align: end; color: var(--text); white-space: nowrap; min-width: 64px; }

.console { background: #070908; border: 1px solid var(--line2); border-radius: var(--radius); }
.console-row { display: grid; grid-template-columns: 200px 1fr; gap: 16px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.console-row:last-child { border-bottom: 0; }
.console .label { color: var(--text3); font-size: 0.9rem; }
.copyable { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.files { display: flex; flex-wrap: wrap; gap: 8px; }
.files a { font-family: var(--mono); font-size: 0.85rem; border: 1px solid var(--line2); border-radius: 4px; padding: 6px 10px; color: var(--text); }
.files a:hover { border-color: var(--mint); text-decoration: none; }
@media (max-width: 640px) { .console-row { grid-template-columns: 1fr; gap: 6px; } .latency li { grid-template-columns: 84px 1fr auto; gap: 10px; } }

.endpoints { font-size: 0.9rem; }
.endpoints td { padding: 9px 14px; }
.method { font: 700 0.75rem/1 var(--mono); width: 70px; }
.m-get { color: var(--sky); } .m-post { color: var(--mint); } .m-patch { color: var(--warn); } .m-delete { color: #f87171; }
.path { color: var(--text); white-space: nowrap; }
.block h3 { margin-top: 22px; color: var(--text2); }

.related { padding-top: 32px; }
.related h2 { font-size: 0.85rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; }
.related ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.related a { display: inline-flex; gap: 8px; border: 1px solid var(--line2); border-radius: 999px; padding: 8px 14px; color: var(--text); font-size: 0.92rem; }
.related a:hover { border-color: var(--mint); text-decoration: none; }

/* footer */
.foot { border-top: 1px solid var(--line); background: var(--bg2); padding: 48px 0 calc(24px + env(safe-area-inset-bottom, 0px)); }
.foot .grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 28px; }
.foot h2 { font: 600 0.78rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text3); margin-bottom: 12px; }
.lang-fa .foot h2 { font-family: var(--sans); text-transform: none; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { color: var(--text2); font-size: 0.92rem; }
.foot a:hover { color: var(--text); }
.foot .about p { color: var(--text3); font-size: 0.92rem; max-width: 32ch; margin-top: 12px; }
.foot .legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--text3); font-size: 0.85rem; }
.foot .langs { display: flex; gap: 14px; }
@media (max-width: 900px) { .foot .grid { grid-template-columns: 1fr 1fr; } .foot .about { grid-column: 1 / -1; } }