/* x402 Trust Oracle — landing styles */

:root {
  --bg:        oklch(0.165 0.012 250);
  --bg-2:      oklch(0.198 0.014 250);
  --bg-3:      oklch(0.235 0.016 250);
  --line:      oklch(0.305 0.018 250);
  --line-soft: oklch(0.255 0.015 250);
  --fg:        oklch(0.955 0.006 250);
  --fg-2:      oklch(0.78 0.012 250);
  --fg-3:      oklch(0.62 0.014 250);

  --live:  oklch(0.80 0.15 158);
  --warn:  oklch(0.82 0.13 78);
  --down:  oklch(0.70 0.17 25);
  --live-dim: oklch(0.80 0.15 158 / 0.12);
  --warn-dim: oklch(0.82 0.13 78 / 0.12);
  --down-dim: oklch(0.70 0.17 25 / 0.12);

  --display: "Space Grotesk", system-ui, sans-serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- shared type ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--line);
}
.kicker.live::before { background: var(--live); }

h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; }
h2 { font-size: clamp(30px, 4vw, 46px); }
.lede { color: var(--fg-2); font-size: clamp(17px, 1.5vw, 20px); max-width: 56ch; }
.mono { font-family: var(--mono); }

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: oklch(0.165 0.012 250 / 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 26px; height: 26px; }
.brand b { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 14.5px; color: var(--fg-2); transition: color .15s; }
.nav-links a:hover { color: var(--fg); }

.btn {
  font-family: var(--sans);
  font-size: 14.5px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 18px; border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.btn-primary { background: var(--live); color: oklch(0.18 0.03 250); font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line); color: var(--fg); background: transparent; }
.btn-ghost:hover { border-color: var(--fg-3); background: var(--bg-2); }
.btn-lg { padding: 15px 26px; font-size: 16px; border-radius: 8px; }
.btn .arr { transition: transform .15s; }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- hero ---------- */
.hero { position: relative; padding: 92px 0 70px; border-bottom: 1px solid var(--line-soft); }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 90% at 78% 8%, #000 0%, transparent 62%);
          mask-image: radial-gradient(120% 90% at 78% 8%, #000 0%, transparent 62%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero h1 { font-size: clamp(40px, 5.6vw, 67px); margin: 0 0 24px; }
.hero h1 .em { color: var(--live); }
.hero-sub { color: var(--fg-2); font-size: clamp(17px, 1.5vw, 20px); max-width: 50ch; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 30px; display: flex; gap: 26px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 13px; color: var(--fg-3);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 3px var(--live-dim); }

/* ---------- verdict demo card ---------- */
.scope {
  background: linear-gradient(180deg, var(--bg-2), oklch(0.18 0.013 250));
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  box-shadow: 0 30px 70px -40px oklch(0 0 0 / 0.9);
}
.scope-bar {
  display: flex; align-items: center; gap: 9px;
  padding: 12px 15px; border-bottom: 1px solid var(--line-soft);
  font-family: var(--mono); font-size: 12px; color: var(--fg-3);
  background: oklch(0.15 0.011 250);
}
.scope-bar .req { color: var(--fg-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scope-bar .req b { color: var(--live); font-weight: 500; }
.scope-body { padding: 20px; }

.verdict-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.verdict-target { font-family: var(--mono); font-size: 13px; color: var(--fg-2); }
.verdict-target small { display: block; color: var(--fg-3); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }

.badge {
  font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  padding: 6px 11px; border-radius: 6px; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 7px;
}
.badge .bd { width: 7px; height: 7px; border-radius: 50%; }
.badge.live { background: var(--live-dim); color: var(--live); }
.badge.live .bd { background: var(--live); }
.badge.warn { background: var(--warn-dim); color: var(--warn); }
.badge.warn .bd { background: var(--warn); }
.badge.down { background: var(--down-dim); color: var(--down); }
.badge.down .bd { background: var(--down); }

.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 9px; overflow: hidden; }
.metric { background: var(--bg-2); padding: 13px 15px; }
.metric .ml { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); }
.metric .mv { font-family: var(--mono); font-size: 19px; margin-top: 5px; color: var(--fg); transition: color .2s; }
.metric .mv.ok { color: var(--live); }
.metric .mv.bad { color: var(--down); }
.metric .mv.mid { color: var(--warn); }

.action {
  margin-top: 16px; display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-radius: 9px; border: 1px dashed var(--line);
  font-family: var(--mono); font-size: 13px;
}
.action .lbl { color: var(--fg-3); }
.action .verdict-act { font-weight: 600; letter-spacing: 0.06em; }
.action.proceed { border-color: oklch(0.80 0.15 158 / 0.4); background: var(--live-dim); }
.action.proceed .verdict-act { color: var(--live); }
.action.skip { border-color: oklch(0.70 0.17 25 / 0.4); background: var(--down-dim); }
.action.skip .verdict-act { color: var(--down); }

.toggle-row { display: flex; gap: 8px; margin-top: 16px; }
.toggle-row button {
  flex: 1; font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  padding: 9px 0; border-radius: 7px; cursor: pointer;
  background: var(--bg-3); border: 1px solid var(--line); color: var(--fg-2);
  transition: all .15s;
}
.toggle-row button:hover { color: var(--fg); border-color: var(--fg-3); }
.toggle-row button.active { background: var(--fg); color: var(--bg); border-color: var(--fg); font-weight: 600; }

/* ---------- terminal (hero) ---------- */
.terminal {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: oklch(0.128 0.008 250);
  box-shadow: 0 30px 80px -45px oklch(0 0 0 / 0.9);
}
.terminal-bar { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--line-soft); }
.terminal-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #5c5c5c; box-shadow: none; }
.terminal-bar .dot:nth-child(1) { background: #ff6b6b; }
.terminal-bar .dot:nth-child(2) { background: #ffd166; }
.terminal-bar .dot:nth-child(3) { background: #8eff8b; }
.terminal pre { margin: 0; padding: 22px 22px; overflow-x: auto; color: var(--fg); font-family: var(--mono); font-size: 13.5px; line-height: 1.75; }
.terminal code { font-family: var(--mono); }
.terminal .tm { color: var(--live); font-weight: 600; }
.terminal .tk { color: oklch(0.78 0.09 230); }
.terminal .tc { color: var(--fg-3); }
.terminal .ts { color: var(--live); }
.terminal .tstr { color: var(--live); }
.terminal .tn { color: var(--warn); }
.terminal .tbool { color: oklch(0.78 0.09 230); }
.terminal .tb { color: var(--fg-3); }

/* ---------- value props (solution) ---------- */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.value {
  border: 1px solid var(--line-soft); border-radius: 12px; padding: 30px 30px;
  background: linear-gradient(180deg, var(--bg-2), oklch(0.18 0.013 250));
}
.value::before { content: ""; display: block; width: 28px; height: 3px; border-radius: 2px; background: var(--live); margin-bottom: 20px; }
.value h3 { font-size: 21px; margin-bottom: 10px; }
.value p { color: var(--fg-2); font-size: 15.5px; }

/* ---------- section scaffold ---------- */
.how-divider { margin: 60px 0 30px; max-width: 62ch; }
.how-divider h3 { font-family: var(--display); font-weight: 600; font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.015em; }
section { padding: 88px 0; border-bottom: 1px solid var(--line-soft); }
.sec-head { max-width: 62ch; margin-bottom: 48px; }
.sec-head h2 { margin: 0 0 16px; }

/* ---------- problem ---------- */
.problem { background: var(--bg); }
.fail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fail {
  border: 1px solid var(--line-soft); border-radius: 11px; padding: 26px 24px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
}
.fail .n { font-family: var(--mono); font-size: 12px; color: var(--down); letter-spacing: 0.1em; }
.fail h3 { font-size: 20px; margin: 14px 0 9px; }
.fail p { color: var(--fg-2); font-size: 15.5px; }
.stakes-line {
  margin-top: 34px; padding: 22px 26px; border-radius: 11px;
  border: 1px solid var(--line); background: var(--bg-2);
  font-size: 18px; color: var(--fg);
}
.stakes-line b { color: var(--fg); font-weight: 600; }

/* ---------- solution / plan ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line-soft); border-radius: 13px; overflow: hidden; }
.step { padding: 30px 28px; border-right: 1px solid var(--line-soft); position: relative; background: var(--bg-2); }
.step:last-child { border-right: none; }
.step .sn {
  font-family: var(--mono); font-size: 13px; color: var(--live);
  border: 1px solid oklch(0.80 0.15 158 / 0.4); border-radius: 50%;
  width: 30px; height: 30px; display: grid; place-items: center; margin-bottom: 18px;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { color: var(--fg-2); font-size: 15px; }
.step .endpoint { font-family: var(--mono); font-size: 12.5px; color: var(--fg-2); margin-top: 12px; word-break: break-all; }
.step .endpoint b { color: var(--live); font-weight: 500; }

/* ---------- response fields ---------- */
.resp-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: start; }
.code-block {
  background: oklch(0.145 0.011 250); border: 1px solid var(--line);
  border-radius: 11px; overflow: hidden; font-family: var(--mono); font-size: 13px;
}
.code-block .cb-bar { padding: 11px 16px; border-bottom: 1px solid var(--line-soft); color: var(--fg-3); font-size: 12px; display: flex; justify-content: space-between; }
.code-block pre { padding: 18px 18px; overflow-x: auto; line-height: 1.75; color: var(--fg-2); }
.code-block .k { color: oklch(0.78 0.09 230); }
.code-block .s { color: var(--live); }
.code-block .nbr { color: var(--warn); }
.code-block .bln { color: var(--fg-3); }

.field-list { display: flex; flex-direction: column; }
.field {
  display: grid; grid-template-columns: 150px 1fr; gap: 18px;
  padding: 17px 0; border-bottom: 1px solid var(--line-soft); align-items: baseline;
}
.field:first-child { padding-top: 0; }
.field .fk { font-family: var(--mono); font-size: 13.5px; color: var(--live); }
.field .fd { color: var(--fg-2); font-size: 15px; }

/* ---------- pricing ---------- */
.price-top { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 40px; }
.price-tag { font-family: var(--display); }
.price-tag .big { font-size: clamp(48px, 7vw, 78px); font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.price-tag .big .unit { color: var(--live); }
.price-tag .sub { font-family: var(--mono); font-size: 13px; color: var(--fg-3); margin-top: 12px; letter-spacing: 0.04em; }
.insurance-card {
  border: 1px solid oklch(0.80 0.15 158 / 0.35); background: var(--live-dim);
  border-radius: 11px; padding: 20px 24px; max-width: 360px;
}
.insurance-card .t { font-family: var(--display); font-weight: 600; font-size: 19px; margin-bottom: 6px; }
.insurance-card p { color: var(--fg-2); font-size: 15px; }

.usage-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line-soft); border-radius: 12px; overflow: hidden; }
.usage-table th, .usage-table td { text-align: left; padding: 18px 24px; font-size: 15px; }
.usage-table thead th { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); background: var(--bg-2); font-weight: 400; border-bottom: 1px solid var(--line-soft); }
.usage-table tbody tr { border-bottom: 1px solid var(--line-soft); }
.usage-table tbody tr:last-child { border-bottom: none; }
.usage-table td:first-child { color: var(--fg); }
.usage-table .num { font-family: var(--mono); color: var(--fg-2); }
.usage-table .rev { font-family: var(--mono); color: var(--live); }

/* ---------- final cta ---------- */
.final { border-bottom: none; text-align: center; padding: 100px 0; position: relative; }
.final h2 { font-size: clamp(34px, 5vw, 58px); max-width: 18ch; margin: 18px auto 22px; }
.final .lede { margin: 0 auto; }
.final-cta { display: flex; gap: 14px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }

/* ---------- footer ---------- */
footer { padding: 54px 0 64px; }
.foot-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; align-items: flex-start; }
.foot-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.foot-brand img { width: 24px; height: 24px; }
.foot-brand b { font-family: var(--display); font-weight: 600; }
footer .attr { font-size: 14px; color: var(--fg-3); max-width: 44ch; }
footer .attr a { color: var(--fg-2); border-bottom: 1px solid var(--line); }
footer .attr a:hover { color: var(--live); border-color: var(--live); }
.foot-facts { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); line-height: 2; }
.foot-facts .fl { color: var(--fg-2); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .fail-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .step:last-child { border-bottom: none; }
  .resp-wrap { grid-template-columns: 1fr; gap: 28px; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  section { padding: 64px 0; }
  .metrics { grid-template-columns: 1fr; }
  .field { grid-template-columns: 1fr; gap: 4px; }
}