/* ============================================================
   Agent Passport — trust-infrastructure design system
   Passport / customs meets API docs. Dark, cool-neutral.
   One accent (verified green). Amber for caution states.
   ============================================================ */

:root {
  /* ground — deep cool ink */
  --bg:          #0a0e10;
  --bg-2:        #0c1214;
  --bg-3:        #0e161a;
  --panel:       #111b1f;
  --panel-2:     #14232a;
  --panel-hi:    #172a32;

  /* structure */
  --border:      #1e2b31;
  --border-2:    #263943;
  --hair:        #16232a;

  /* type */
  --ink:         #e8eff0;
  --ink-2:       #b0c0c4;
  --muted:       #7c9096;
  --faint:       #5c7077;

  /* single confident accent — verified green (teal lean) */
  --accent:      #34cf9a;
  --accent-2:    #59e3b3;
  --accent-deep: #0f9d76;
  --accent-ghost: rgba(52, 207, 154, 0.10);
  --accent-line:  rgba(52, 207, 154, 0.28);

  /* caution — amber */
  --amber:       #e6a63c;
  --amber-2:     #f4c56b;
  --amber-ghost: rgba(230, 166, 60, 0.10);
  --amber-line:  rgba(230, 166, 60, 0.30);

  /* deny/red edge (kept minimal, mostly amber) */
  --deny:        #e6893c;

  --radius:      14px;
  --radius-sm:   9px;
  --maxw:        1140px;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --shadow: 0 24px 60px -30px rgba(0,0,0,0.8);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* subtle customs-desk security texture on the ground */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(52,207,154,0.07), transparent 60%),
    radial-gradient(900px 500px at 8% 4%, rgba(21,120,110,0.06), transparent 55%),
    linear-gradient(180deg, #0b1113 0%, var(--bg) 40%);
  pointer-events: none;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

h1, h2, h3, h4 { line-height: 1.15; margin: 0; font-weight: 640; letter-spacing: -0.02em; }
p { margin: 0; }

::selection { background: rgba(52,207,154,0.28); color: #fff; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

section { position: relative; }
.section { padding: 92px 0; }
.section-tight { padding: 64px 0; }
.divider { border-top: 1px solid var(--hair); }

/* eyebrow / spec label — monospace, customs-stamp feel */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent-line);
}
.eyebrow.amber { color: var(--amber); }
.eyebrow.amber::before { background: var(--amber-line); }

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); }
.section-head p { color: var(--ink-2); margin-top: 16px; font-size: 17px; }

.lede { color: var(--ink-2); font-size: 17px; }

/* ---------- top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: saturate(140%) blur(12px);
  background: rgba(9,13,15,0.72);
  border-bottom: 1px solid var(--hair);
}
.nav-inner {
  height: 62px;
  display: flex; align-items: center; gap: 22px;
}
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 640; letter-spacing: -0.01em; }
.brand:hover { color: var(--ink); }
.brand .mark { flex: none; }
.brand b { font-weight: 660; }
.brand .kya { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.14em; }

.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a {
  color: var(--ink-2); font-size: 14px; padding: 8px 12px; border-radius: 8px;
}
.nav-links a:hover { color: var(--ink); background: rgba(255,255,255,0.04); }
.nav-links a.btn { display: none; } /* in-menu CTA — desktop uses .nav-cta instead */
.nav-links a.btn:hover { background: none; }
.nav-cta { margin-left: 6px; }

.badge-alpha {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em;
  color: var(--amber); border: 1px solid var(--amber-line);
  background: var(--amber-ghost); padding: 3px 8px; border-radius: 6px;
  text-transform: uppercase; white-space: nowrap;
}

.nav-toggle {
  display: none; margin-left: auto;
  background: none; border: 1px solid var(--border); color: var(--ink);
  width: 40px; height: 36px; border-radius: 9px; cursor: pointer;
}
.nav-toggle svg { display: block; margin: 0 auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--sans); font-size: 14.5px; font-weight: 560;
  padding: 11px 18px; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; transition: transform .12s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #04150f; font-weight: 640;
  box-shadow: 0 10px 30px -12px rgba(52,207,154,0.6);
}
.btn-primary:hover { color: #04150f; filter: brightness(1.05); }
.btn-ghost {
  background: rgba(255,255,255,0.02); border-color: var(--border-2); color: var(--ink);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--accent-line); background: var(--accent-ghost); }
.btn-sm { padding: 8px 13px; font-size: 13.5px; }

/* ---------- hero ---------- */
.hero { padding: 60px 0 40px; }
.hero-eyebrow { margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(38px, 6vw, 66px);
  letter-spacing: -0.035em; line-height: 1.02;
  max-width: 14ch;
}
.hero h1 .g {
  background: linear-gradient(92deg, var(--accent-2), var(--accent) 60%, var(--accent-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin-top: 24px; font-size: clamp(16.5px, 1.7vw, 19px);
  color: var(--ink-2); max-width: 60ch;
}
.hero-sub b { color: var(--ink); font-weight: 600; }
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; align-items: center; }
.hero-note { font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* ---------- chain-of-agency diagram wrapper ---------- */
.diagram-frame {
  margin-top: 52px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(23,42,50,0.5), rgba(14,22,26,0.6));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.diagram-cap {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 18px; border-bottom: 1px solid var(--hair);
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  color: var(--muted); text-transform: uppercase;
}
.diagram-cap .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.diagram-scroll { overflow-x: auto; padding: 30px 22px 34px; }
.diagram-scroll svg { display: block; margin: 0 auto; }
.chain-svg { min-width: 720px; width: 100%; max-width: 1000px; height: auto; }

/* ---------- generic cards / grids ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-3));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
}
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 14.5px; }

.qcard { position: relative; }
.qcard .q {
  font-family: var(--mono); font-size: 12px; color: var(--amber);
  letter-spacing: 0.04em; margin-bottom: 10px; display: block;
}
.qcard h3 { font-size: 16px; }

/* problem: the pivot statement */
.pivot {
  margin-top: 40px; padding: 26px 28px;
  border: 1px solid var(--accent-line); border-radius: var(--radius);
  background: var(--accent-ghost);
  display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap;
}
.pivot .k { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.pivot p { color: var(--ink); font-size: 17px; }
.pivot p b { color: var(--accent-2); }

/* ---------- how it works ---------- */
.steps { counter-reset: step; }
.step .snum {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  border: 1px solid var(--accent-line); border-radius: 6px;
  padding: 2px 8px; letter-spacing: 0.1em;
}
.step .sicon { margin: 4px 0 14px; }
.step h3 { font-size: 17.5px; margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: 14.5px; }
.step .stag { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin-top: 12px; display: block; }

/* ---------- code blocks ---------- */
.code {
  position: relative;
  background: #0b1315;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0; /* allow shrink inside grid/flex tracks */
}
.code-top {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 14px; border-bottom: 1px solid var(--hair);
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}
.code-top .fname { color: var(--ink-2); }
.code-top .tag {
  margin-left: auto; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent-line); padding: 2px 7px; border-radius: 5px;
}
.code-top .tag.amber { color: var(--amber); border-color: var(--amber-line); }
.code pre {
  margin: 0; padding: 18px 18px; overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.72; color: #cddcdb;
}
.code pre code { font-family: inherit; }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 7px; padding: 5px 9px; cursor: pointer; opacity: 0; transition: opacity .15s;
}
.code:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--accent); border-color: var(--accent-line); }
.copy-btn.copied { color: var(--accent); }

/* syntax tokens */
.tok-key { color: var(--accent-2); }
.tok-str { color: #9fd0c6; }
.tok-num { color: var(--amber-2); }
.tok-com { color: var(--faint); font-style: italic; }
.tok-fn  { color: #7fd3f0; }
.tok-kw  { color: #d6a2f0; }
.tok-punc { color: var(--muted); }
.tok-prop { color: #c8d6d8; }

/* ---------- integration split ---------- */
.integ-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.integ-grid > *, .integ-grid > * > * { min-width: 0; }
.mandate-grid > * { min-width: 0; }
.blockpage {
  border: 1px solid var(--amber-line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(230,166,60,0.06), rgba(14,20,22,0.4));
  padding: 22px;
}
.blockpage .status {
  font-family: var(--mono); font-size: 12px; color: var(--amber);
  letter-spacing: 0.08em; margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.blockpage h3 { font-size: 18px; margin-bottom: 8px; }
.blockpage p { color: var(--ink-2); font-size: 14.5px; margin-bottom: 16px; }
.blockpage { min-width: 0; }
.blockpage .lead-flow {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  border-top: 1px dashed var(--border-2); padding-top: 14px; margin-top: 4px;
  overflow-x: auto; white-space: nowrap;
}
.blockpage .lead-flow b { color: var(--accent); }

/* ---------- demo terminal ---------- */
.terminal {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: #080f11; overflow: hidden; box-shadow: var(--shadow);
}
.terminal-bar {
  display: flex; align-items: center; gap: 8px; padding: 11px 15px;
  border-bottom: 1px solid var(--hair); font-family: var(--mono); font-size: 12px; color: var(--muted);
}
.terminal-bar .lights { display: flex; gap: 6px; }
.terminal-bar .lights i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.terminal-bar .lights i:nth-child(1) { background: #e35d5d; }
.terminal-bar .lights i:nth-child(2) { background: var(--amber); }
.terminal-bar .lights i:nth-child(3) { background: var(--accent); }
.terminal-bar .ttitle { margin-left: 6px; }
.terminal-body { padding: 8px 0; font-family: var(--mono); font-size: 13px; }
.tline { display: block; padding: 4px 20px; overflow-x: auto; white-space: pre; }
.t-cmd { color: var(--ink); }
.t-cmd .prompt { color: var(--accent); }
.t-dim { color: var(--muted); }
.t-note { color: var(--faint); }

.verdict {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 9px 20px; margin: 2px 0;
}
.verdict .tag {
  font-family: var(--mono); font-weight: 700; font-size: 12px; letter-spacing: 0.08em;
  padding: 3px 10px; border-radius: 6px;
}
.verdict.allow { background: rgba(52,207,154,0.05); }
.verdict.allow .tag { color: #06170f; background: var(--accent); }
.verdict.deny { background: rgba(230,166,60,0.05); }
.verdict.deny .tag { color: #1a1204; background: var(--amber); }
.verdict.block { background: rgba(227,137,60,0.06); }
.verdict.block .tag { color: #1a0f04; background: var(--deny); }
.verdict .amt { color: var(--ink); font-weight: 600; }
.verdict .reason { color: var(--muted); }
.verdict .reason code { color: var(--amber-2); }
.verdict .remain { color: var(--accent); margin-left: auto; font-size: 12px; }
.terminal .revoke-line {
  padding: 10px 20px; margin: 4px 0; border-top: 1px dashed var(--border-2); border-bottom: 1px dashed var(--border-2);
  color: var(--amber-2); font-size: 12px;
}
.terminal .revoke-line b { color: var(--amber); }

/* ---------- mandate schema ---------- */
.mandate-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 22px; align-items: start; }
.mandate-facets { display: grid; gap: 12px; }
.facet {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 15px 16px; background: var(--panel);
  display: flex; gap: 13px; align-items: flex-start;
}
.facet .fi { flex: none; margin-top: 1px; }
.facet h4 { font-size: 14.5px; margin-bottom: 3px; }
.facet p { color: var(--ink-2); font-size: 13.5px; }
.facet .fk { font-family: var(--mono); font-size: 11px; color: var(--accent); }

/* json highlight helper reuses .code */

/* ---------- positioning strip ---------- */
.posit { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.posit .p {
  padding: 22px 20px; border-right: 1px solid var(--hair);
  background: linear-gradient(180deg, var(--panel), var(--bg-3));
}
.posit .p:last-child { border-right: none; }
.posit .pk { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--accent); text-transform: uppercase; margin-bottom: 9px; display: block; }
.posit .p p { color: var(--ink-2); font-size: 13.5px; }
.posit .p b { color: var(--ink); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; }
details.qa {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--panel); overflow: hidden;
}
details.qa summary {
  list-style: none; cursor: pointer; padding: 18px 20px;
  display: flex; align-items: center; gap: 14px; font-weight: 560; font-size: 16px; color: var(--ink);
}
details.qa summary::-webkit-details-marker { display: none; }
details.qa summary .chev {
  margin-left: auto; flex: none; transition: transform .2s ease; color: var(--muted);
}
details.qa[open] summary .chev { transform: rotate(90deg); color: var(--accent); }
details.qa .qbody { padding: 0 20px 20px 54px; color: var(--ink-2); font-size: 14.5px; }
details.qa .qnum { font-family: var(--mono); font-size: 12px; color: var(--accent); flex: none; width: 22px; }

/* ---------- final CTA ---------- */
.cta-final {
  border: 1px solid var(--accent-line); border-radius: 20px;
  background:
    radial-gradient(700px 300px at 80% -20%, rgba(52,207,154,0.12), transparent 60%),
    linear-gradient(180deg, var(--panel-hi), var(--bg-3));
  padding: 48px 44px; text-align: center;
  box-shadow: var(--shadow);
}
.cta-final h2 { font-size: clamp(26px, 3.6vw, 40px); }
.cta-final p { color: var(--ink-2); margin: 14px auto 26px; max-width: 56ch; font-size: 17px; }
.cta-final .cmd {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 13.5px; color: var(--ink);
  background: #0a1315; border: 1px solid var(--border-2); border-radius: 10px;
  padding: 11px 15px; margin-bottom: 26px;
}
.cta-final .cmd .prompt { color: var(--accent); }
.cta-final .cmd .mini-copy {
  font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 6px;
  padding: 3px 8px; cursor: pointer; background: none;
}
.cta-final .cmd .mini-copy:hover { color: var(--accent); border-color: var(--accent-line); }
.cta-final .row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--hair); padding: 54px 0 44px; margin-top: 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 30px; }
.footer .brand { margin-bottom: 14px; }
.footer .fabout { color: var(--muted); font-size: 13.5px; max-width: 34ch; }
.footer h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer ul a { color: var(--ink-2); font-size: 14px; }
.footer ul a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--hair);
  font-size: 13px; color: var(--muted);
}
.footer-bottom .badge-alpha { margin-left: auto; }

/* utility */
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .integ-grid { grid-template-columns: 1fr; }
  .mandate-grid { grid-template-columns: 1fr; }
  .posit { grid-template-columns: repeat(2, 1fr); }
  .posit .p:nth-child(2n) { border-right: none; }
  .posit .p { border-bottom: 1px solid var(--hair); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer .fbrandcol { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .section { padding: 66px 0; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 62px; left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--border);
    padding: 12px 16px 18px; gap: 4px;
    margin-left: 0;
  }
  .nav-links.open a { padding: 11px 12px; }
  .nav-links.open a.btn { display: inline-flex; justify-content: center; margin: 6px 0 0; color: #04150f; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .posit { grid-template-columns: 1fr; }
  .posit .p { border-right: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-final { padding: 36px 22px; }
  .cta-final .cmd { flex-wrap: wrap; }
  .hero h1 { font-size: clamp(34px, 11vw, 48px); }
}

@media (max-width: 420px) {
  .wrap { padding: 0 18px; }
  .verdict { gap: 8px; }
  .verdict .remain { margin-left: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}