/* ============================================================
   OpenRelay — Design System  (theme.css)
   Premium dark developer-tool aesthetic.
   One source of truth for the entire product (landing/console/admin).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root {
  /* surfaces */
  --bg:        #0A0E1A;
  --bg-grad:   radial-gradient(1200px 700px at 50% -10%, #14203b 0%, #0a0e1a 55%);
  --surface:   #0F1525;
  --surface-2: #141C30;
  --surface-3: #1A2540;
  --border:    #1E2A45;
  --border-2:  #2A3A5C;
  --border-glow: rgba(99,132,255,.25);

  /* text */
  --text:      #E9EEFB;
  --text-soft: #B6C2DC;
  --text-mut:  #8090AE;
  --text-dim:  #5A6A86;

  /* brand */
  --primary:   #4F8FF7;
  --primary-2: #6366F1;
  --cyan:      #38BDF8;
  --violet:    #8B5CF6;
  --grad:      linear-gradient(135deg, #38BDF8 0%, #6366F1 55%, #8B5CF6 100%);
  --grad-soft: linear-gradient(135deg, rgba(56,189,248,.18), rgba(139,92,246,.18));
  --primary-glow: rgba(79,143,247,.38);

  /* status */
  --success:   #34D399;
  --warn:      #FBBF24;
  --danger:    #F87171;
  --success-bg: rgba(52,211,153,.12);
  --warn-bg:    rgba(251,191,36,.12);
  --danger-bg:  rgba(248,113,113,.12);

  /* type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* radius + shadow */
  --r-sm: 8px;  --r: 14px;  --r-lg: 20px;  --r-xl: 28px;
  --shadow:    0 12px 40px -12px rgba(0,0,0,.6);
  --shadow-lg: 0 30px 80px -24px rgba(0,0,0,.75);
  --ring:      0 0 0 3px var(--primary-glow);

  /* layout */
  --maxw: 1200px;
  --nav-h: 68px;

  /* z-scale */
  --z-nav: 50; --z-modal: 100; --z-toast: 200;
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img,svg { display: block; max-width: 100%; }
input,select,textarea,button { font-family: inherit; font-size: inherit; color: inherit; }
::selection { background: rgba(99,102,241,.35); color:#fff; }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #38496e; }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.wrap-narrow { max-width: 820px; }
.section { padding: 96px 0; }
.center { text-align: center; }
.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.gap-8{gap:32px}
.grid { display: grid; }
.muted { color: var(--text-mut); }
.soft { color: var(--text-soft); }
.hidden { display: none !important; }
.mono { font-family: var(--font-mono); }

/* ---------- Typography ---------- */
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; color: var(--text); }
.display { font-size: clamp(40px, 6vw, 72px); font-weight: 700; letter-spacing: -0.035em; }
.h1 { font-size: clamp(32px, 4.5vw, 52px); }
.h2 { font-size: clamp(26px, 3.4vw, 40px); }
.h3 { font-size: clamp(20px, 2.4vw, 26px); }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--text-soft); line-height: 1.65; }
.eyebrow { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); font-weight: 500; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-sm{font-size:14px}.text-xs{font-size:12.5px}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 0 20px; height: 44px; border-radius: var(--r-sm);
  font-weight: 600; font-size: 15px; border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap; user-select: none;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px -8px var(--primary-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px var(--primary-glow); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: #3a4d74; }
.btn-soft { background: var(--surface-2); color: var(--text-soft); border-color: var(--border); }
.btn-soft:hover { color: var(--text); border-color: var(--border-2); }
.btn-lg { height: 52px; padding: 0 28px; font-size: 16px; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 13.5px; border-radius: 7px; }
.btn-block { width: 100%; }
.btn[disabled]{ opacity:.55; cursor: not-allowed; transform:none !important; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, var(--surface) 0%, #0c1322 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
}
.card-hover { transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.card-hover:hover { transform: translateY(-4px); border-color: var(--border-2); box-shadow: var(--shadow); }
.card-glow { position: relative; overflow: hidden; }
.card-glow::before {
  content:""; position:absolute; inset:-1px; border-radius: inherit; padding:1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity:.5; pointer-events:none;
}

/* glass panel (auth, modals) */
.panel {
  background: rgba(17,23,40,.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
}

/* ---------- Badges / pills ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 99px; font-size: 12.5px; font-weight: 500;
  border: 1px solid var(--border-2); background: var(--surface-2); color: var(--text-soft);
}
.badge-dot::before { content:""; width:6px; height:6px; border-radius:99px; background: currentColor; }
.badge-success { color: var(--success); background: var(--success-bg); border-color: rgba(52,211,153,.25); }
.badge-warn { color: var(--warn); background: var(--warn-bg); border-color: rgba(251,191,36,.25); }
.badge-danger { color: var(--danger); background: var(--danger-bg); border-color: rgba(248,113,113,.25); }
.badge-brand { color:#bcd0ff; background: var(--grad-soft); border-color: var(--border-glow); }

/* provider chip */
.chip { display:inline-flex; align-items:center; gap:7px; padding:6px 12px; border-radius:99px;
  background: var(--surface-2); border:1px solid var(--border); font-size:13.5px; color: var(--text-soft); font-weight:500; }
.chip .dot{width:7px;height:7px;border-radius:99px}

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 7px; }
.label { font-size: 13.5px; font-weight: 500; color: var(--text-soft); }
.input, .select {
  height: 46px; padding: 0 14px; width: 100%;
  background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: var(--r-sm); color: var(--text); transition: border-color .18s, box-shadow .18s, background .18s;
}
textarea.input { height: auto; padding: 12px 14px; resize: vertical; min-height: 96px; line-height:1.6; }
.input::placeholder { color: var(--text-dim); }
.input:focus, .select:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); background: #10182b; }
.input-mono { font-family: var(--font-mono); font-size: 13.5px; }

/* ---------- Tables ---------- */
.table-wrap { width:100%; overflow-x:auto; border:1px solid var(--border); border-radius: var(--r); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl thead th {
  text-align: left; padding: 13px 16px; font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: .08em; text-transform: uppercase; color: var(--text-mut); font-weight: 500;
  background: var(--surface-2); border-bottom: 1px solid var(--border); white-space: nowrap;
}
.tbl tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); color: var(--text-soft); vertical-align: middle; }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr { transition: background .15s; }
.tbl tbody tr:hover { background: rgba(255,255,255,.025); }
.tbl .num { font-family: var(--font-mono); text-align: right; color: var(--text); }

/* ---------- Code block ---------- */
.code {
  position: relative; background: #070B14; border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden;
}
.code-head { display:flex; align-items:center; gap:8px; padding: 11px 14px; border-bottom: 1px solid var(--border); background: var(--surface); }
.code-dot { width:11px;height:11px;border-radius:99px; }
.code-lang { margin-left:auto; font-family: var(--font-mono); font-size:12px; color: var(--text-mut); }
.code pre { margin:0; padding: 18px; overflow-x: auto; font-family: var(--font-mono); font-size: 13px; line-height: 1.7; color: #c8d3ea; }
.code .tok-key{color:#7dd3fc}.code .tok-str{color:#86efac}.code .tok-fn{color:#c4b5fd}.code .tok-com{color:#5a6a86}.code .tok-num{color:#fcd34d}
.copy-btn { position:absolute; top:9px; right:12px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: var(--z-nav); height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(10,14,26,.72); backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border);
}
.nav .wrap { display: flex; align-items: center; gap: 18px; }
.brand { display:flex; align-items:center; gap:10px; font-family: var(--font-display); font-weight:700; font-size:18px; letter-spacing:-.02em; }
.brand .mark { width: 30px; height: 30px; }
.nav-links { display:flex; align-items:center; gap:4px; margin-left: 14px; }
.nav-link { padding: 8px 12px; border-radius: 8px; color: var(--text-mut); font-size: 14.5px; font-weight: 500; transition: color .15s, background .15s; }
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-spacer { flex: 1; }

/* ---------- Language switcher ---------- */
.lang {
  position: relative;
}
.lang-btn { display:flex; align-items:center; gap:7px; height:38px; padding:0 11px; border-radius:8px;
  background: var(--surface-2); border:1px solid var(--border-2); color: var(--text-soft); font-size:13.5px; font-weight:500; transition: border-color .15s,color .15s; }
.lang-btn:hover { color: var(--text); border-color:#3a4d74; }
.lang-btn svg { width:15px;height:15px; }
.lang-menu {
  position:absolute; top: calc(100% + 8px); right:0; min-width: 150px;
  background: var(--surface); border:1px solid var(--border-2); border-radius: var(--r-sm);
  box-shadow: var(--shadow); padding:6px; z-index: var(--z-nav);
  opacity:0; transform: translateY(-6px); pointer-events:none; transition: opacity .15s, transform .15s;
}
.lang.open .lang-menu { opacity:1; transform: translateY(0); pointer-events:auto; }
.lang-opt { display:flex; align-items:center; gap:9px; width:100%; text-align:left; padding:9px 10px; border-radius:6px; background:none; border:none; color: var(--text-soft); font-size:14px; transition: background .12s,color .12s; }
.lang-opt:hover { background: rgba(255,255,255,.05); color: var(--text); }
.lang-opt.active { color: var(--cyan); }
.lang-opt .flag { font-size:16px; line-height:1; }

/* ---------- Toast ---------- */
.toast-host { position: fixed; bottom: 24px; right: 24px; z-index: var(--z-toast); display:flex; flex-direction:column; gap:10px; }
.toast { display:flex; align-items:center; gap:11px; padding: 13px 16px; border-radius: var(--r-sm);
  background: var(--surface-3); border:1px solid var(--border-2); box-shadow: var(--shadow); color: var(--text);
  font-size:14px; min-width: 260px; max-width: 380px; animation: toast-in .28s cubic-bezier(.2,.8,.2,1); }
.toast.ok { border-left: 3px solid var(--success); }
.toast.err { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--primary); }
@keyframes toast-in { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: none; } }

/* ---------- Modal ---------- */
.modal-host { position: fixed; inset:0; z-index: var(--z-modal); display:none; align-items:center; justify-content:center; padding:20px; }
.modal-host.open { display:flex; }
.modal-backdrop { position:absolute; inset:0; background: rgba(4,7,15,.7); backdrop-filter: blur(6px); animation: fade .2s; }
.modal { position:relative; width:100%; max-width: 440px; animation: modal-in .3s cubic-bezier(.2,.8,.2,1); }
@keyframes fade { from{opacity:0} to{opacity:1} }
@keyframes modal-in { from{opacity:0; transform: translateY(16px) scale(.98)} to{opacity:1; transform:none} }

/* ---------- Stat tiles ---------- */
.stat { padding: 22px 24px; }
.stat .k { font-family: var(--font-mono); font-size: 12px; letter-spacing:.06em; text-transform:uppercase; color: var(--text-mut); }
.stat .v { font-family: var(--font-display); font-size: 34px; font-weight: 700; margin-top: 8px; letter-spacing:-.02em; }
.stat .sub { font-size: 13px; color: var(--text-mut); margin-top:4px; }

/* ---------- Misc ---------- */
.divider { height:1px; background: var(--border); border:0; }
.kbd { font-family: var(--font-mono); font-size:12px; padding:2px 7px; border-radius:6px; background: var(--surface-2); border:1px solid var(--border-2); color: var(--text-soft); }
.dot-grid { background-image: radial-gradient(circle, rgba(99,132,255,.12) 1px, transparent 1px); background-size: 22px 22px; }
.glow-orb { position:absolute; border-radius:50%; filter: blur(80px); opacity:.5; pointer-events:none; z-index:0; }

/* reveal on scroll */
.reveal { opacity:0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity:1; transform:none; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 56px 0 40px; margin-top: 40px; }
.footer-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer h4 { font-family: var(--font-body); font-size: 13px; text-transform: uppercase; letter-spacing:.08em; color: var(--text-mut); margin-bottom: 14px; font-weight:600; }
.footer a { display:block; color: var(--text-soft); font-size: 14px; padding: 5px 0; transition: color .15s; }
.footer a:hover { color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display:none; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .wrap { padding-inline: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .display { font-size: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity:1; transform:none; }
}