/* ============================================================
   LYVORA — dark technical
   type: General Sans (UI) / Fragment Mono (data)
   ============================================================ */

:root {
  --bg: #0a0b0d;
  --bg-raised: #0e1013;
  --bg-panel: #101216;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e9ebee;
  --text-dim: #9aa1a9;
  --text-faint: #5c636b;
  --accent: #59d999;
  --accent-dim: rgba(89, 217, 153, 0.12);
  --amber: #e5b567;
  --sans: "General Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "Fragment Mono", "SF Mono", Menlo, monospace;
  --container: 1200px;
  --pad: clamp(20px, 4vw, 48px);
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: #06130c; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- type ---------- */

h1, h2, h3 {
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-wrap: balance;
}

h1 { font-size: clamp(38px, 4.5vw, 62px); }
h2 { font-size: clamp(30px, 3.8vw, 52px); }
h3 { font-size: 19px; letter-spacing: -0.01em; line-height: 1.3; }

.kicker,
.index-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.index-label { color: var(--accent); }

.lede,
.section-lede {
  color: var(--text-dim);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.65;
  max-width: 56ch;
}

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

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 13px 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}

.btn-solid {
  background: var(--text);
  color: #0a0b0d;
  border-color: var(--text);
}
.btn-solid:hover { background: var(--accent); border-color: var(--accent); }

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.22em;
}
.wordmark-glyph { color: var(--accent); flex-shrink: 0; }

.site-nav {
  display: flex;
  gap: 30px;
  font-size: 14px;
  color: var(--text-dim);
}
.site-nav a { transition: color 0.15s; }
.site-nav a:hover { color: var(--text); }

.header-right { display: flex; align-items: center; gap: 18px; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.35; } }

.btn-header { padding: 10px 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0 9px;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* ---------- hero ---------- */

.hero { padding: clamp(64px, 9vh, 120px) 0 clamp(56px, 8vh, 96px); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

.hero-copy .kicker { margin-bottom: 22px; }
.hero-copy h1 { margin-bottom: 24px; }
.hero-copy .lede { margin-bottom: 36px; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-meta {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  margin-top: clamp(56px, 8vh, 96px);
}
.hero-meta li {
  padding: 26px 24px 4px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta li + li { border-left: 1px solid var(--line); padding-left: 24px; }
.hero-meta strong {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: -0.02em;
}
.hero-meta span {
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- console / panels ---------- */

.hero-console,
.routing-panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12.5px;
}

.console-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 11.5px;
  letter-spacing: 0.05em;
}
.console-env {
  color: var(--accent);
  border: 1px solid rgba(89, 217, 153, 0.35);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 10px;
  letter-spacing: 0.12em;
}
.console-env-dim { color: var(--text-dim); border-color: var(--line-strong); }

.console-head,
.txn-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1.05fr) minmax(0, 1fr) minmax(0, 0.72fr) 108px;
  gap: 12px;
  padding: 9px 18px;
  align-items: baseline;
}
.console-head span,
.txn-row > span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.console-head {
  color: var(--text-faint);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--line);
}
.console-head .num { text-align: right; }

.console-feed {
  height: 296px;
  overflow: hidden;
  position: relative;
}
.console-feed::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 56px;
  background: linear-gradient(to bottom, transparent, var(--bg-panel));
  pointer-events: none;
}

.txn-row {
  color: var(--text-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  animation: rowIn 0.35s ease-out;
}
@keyframes rowIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}
.txn-row .t-id { color: var(--text); }
.txn-row .t-amt { text-align: right; color: var(--text); }
.txn-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.06em;
}
.txn-status::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.txn-status.ok { color: var(--accent); }
.txn-status.warn { color: var(--amber); }
.txn-status.info { color: var(--text-dim); }

.console-foot {
  display: flex;
  justify-content: space-between;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 11.5px;
}
.console-foot em { font-style: normal; color: var(--accent); }

/* ---------- sections ---------- */

.section { padding: clamp(72px, 11vh, 140px) 0; }
.section-bordered { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-raised); }

.section-head { max-width: 720px; margin-bottom: clamp(44px, 6vh, 72px); }
.section-head .index-label { margin-bottom: 20px; }
.section-head h2 { margin-bottom: 20px; }

/* ---------- platform cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(24px, 2.6vw, 36px);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: background 0.25s;
}
.card:hover { background: var(--bg-panel); }
.card:hover .card-index { color: var(--accent); }

.card-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  transition: color 0.25s;
}
.card h3 { margin-top: auto; }
.card p:last-child {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---------- split layouts ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.split-reverse { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.split-reverse .split-copy { order: -1; }

.split-copy .index-label { margin-bottom: 20px; }
.split-copy h2 { margin-bottom: 20px; }
.split-copy .section-lede { margin-bottom: 28px; }

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--text-dim);
  font-size: 15px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
}
.check-list li::before {
  content: "—";
  color: var(--accent);
  font-family: var(--mono);
  flex-shrink: 0;
}

/* ---------- routing panel ---------- */

.routing-rules { padding: 6px 0; }

.rule {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  align-items: start;
}
.rule:last-child { border-bottom: none; }
.rule-no { color: var(--text-faint); font-size: 11px; padding-top: 2px; letter-spacing: 0.08em; }
.rule code { color: var(--text-dim); line-height: 1.75; font-family: inherit; }
.rule-muted code, .rule-muted .rule-no { opacity: 0.55; }

.tok-kw { color: var(--text-faint); }
.tok-arrow { color: var(--accent); }
.tok-target { color: var(--text); }

/* ---------- integration steps panel ---------- */

.steps-panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12.5px;
}

.step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  align-items: start;
}
.steps .step:last-child { border-bottom: none; }

.step-no {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.step h4 {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 5px;
}

.step p {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- compliance table ---------- */

.compliance-table { border-top: 1px solid var(--line-strong); }

.compliance-row {
  display: grid;
  grid-template-columns: 180px 1fr 140px;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.compliance-key {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.compliance-val { color: var(--text-dim); font-size: 15px; line-height: 1.6; }
.compliance-mark {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: right;
}

/* ---------- contact ---------- */

.section-contact { padding-bottom: clamp(88px, 13vh, 160px); }
.section-contact .index-label { margin-bottom: 20px; }
.contact-heading { font-size: clamp(38px, 5vw, 68px); margin-bottom: 20px; }
.section-contact .section-lede { margin-bottom: 48px; }

.contact-rows {
  border-top: 1px solid var(--line-strong);
  max-width: 780px;
}
.contact-row {
  display: grid;
  grid-template-columns: 220px 1fr 40px;
  gap: 20px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.25s;
}
.contact-row:hover { padding-left: 12px; }
.contact-row:hover .contact-arrow { color: var(--accent); transform: translateX(4px); }
.contact-label { color: var(--text-faint); font-size: 14px; }
.contact-value { font-family: var(--mono); font-size: clamp(15px, 1.8vw, 19px); letter-spacing: -0.01em; }
.contact-arrow {
  color: var(--text-faint);
  font-size: 20px;
  text-align: right;
  transition: color 0.2s, transform 0.2s;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: clamp(48px, 7vh, 80px) 0 40px;
  background: var(--bg-raised);
  overflow: hidden;
}

.footer-wordmark {
  font-family: var(--mono);
  font-size: clamp(64px, 13vw, 190px);
  letter-spacing: 0.06em;
  line-height: 0.9;
  color: rgba(255, 255, 255, 0.045);
  user-select: none;
  margin-bottom: clamp(40px, 6vh, 72px);
  white-space: nowrap;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
.footer-head {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.footer-col p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }
.footer-col a { transition: color 0.15s; }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 28px;
  color: var(--text-faint);
  font-size: 13px;
}

/* ---------- reveal ---------- */

/* hidden state applies only when JS is running (html.js set in main.js) */
html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
html.js .reveal.is-visible { opacity: 1; transform: none; }
html.no-anim .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .txn-row { animation: none; }
  .status-dot { animation: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-console { max-width: 720px; }
  .split, .split-reverse { grid-template-columns: 1fr; align-items: start; }
  .split-reverse .split-copy { order: 0; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card { min-height: 190px; }
}

@media (max-width: 840px) {
  .site-nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 0 16px;
    display: none;
    z-index: 99;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    padding: 15px var(--pad);
    font-size: 17px;
    color: var(--text);
    border-top: 1px solid var(--line);
  }
  .nav-toggle { display: flex; }
  .status-pill { display: none; }

  .hero-meta { grid-template-columns: repeat(2, 1fr); border-top: none; }
  .hero-meta li { border-top: 1px solid var(--line); }
  .hero-meta li + li { border-left: none; padding-left: 0; }
  .hero-meta li:nth-child(even) { border-left: 1px solid var(--line); padding-left: 24px; }

  .compliance-row {
    grid-template-columns: 1fr auto;
    gap: 8px 20px;
  }
  .compliance-val { grid-column: 1 / -1; }

  .contact-row { grid-template-columns: 1fr auto; gap: 6px 16px; }
  .contact-label { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .btn-header { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .card { min-height: 0; gap: 8px; }
  .card h3 { margin-top: 12px; }

  .console-head, .txn-row {
    grid-template-columns: 58px minmax(0, 1fr) minmax(0, 0.95fr) 100px;
    gap: 8px;
    padding: 9px 14px;
    font-size: 11.5px;
  }
  .console-head span:nth-child(3), .txn-row .t-method { display: none; }
  .txn-status { font-size: 10px; }
  .console-feed { height: 260px; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}