@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');
/* preconnect for faster font loading */
@import url('https://fonts.googleapis.com');
@import url('https://fonts.gstatic.com');

/* ═══════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════ */
:root {
  /* surfaces — high contrast steps */
  --bg: #000;
  --s1: #0a0a0a;
  --s2: #111;
  --s3: #171717;
  --s4: #1c1c1c;
  /* borders */
  --b1: #1a1a1a;
  --b2: #262626;
  --b3: #333;
  /* text */
  --t1: #fafafa;
  --t2: #a1a1aa;
  --t3: #71717a;
  --t4: #52525b;
  /* accent */
  --ac: #3b82f6;
  --ac2: #60a5fa;
  --ac3: #2563eb;
  --acm: rgba(59,130,246,.06);
  --acb: rgba(59,130,246,.14);
  /* semantic */
  --red: #ef4444;
  --redm: rgba(239,68,68,.06);
  --redb: rgba(239,68,68,.14);
  --grn: #22c55e;
  --grnm: rgba(34,197,94,.06);
  --grnb: rgba(34,197,94,.12);
  --yel: #eab308;
  --yelm: rgba(234,179,8,.06);
  --yelb: rgba(234,179,8,.12);
  /* system */
  --r: 10px;
  --f: 'Inter', system-ui, -apple-system, sans-serif;
  --m: 'JetBrains Mono', ui-monospace, monospace;
}

/* ═══════════════════════════════════════
   RESET
   ═══════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f);
  background: var(--bg);
  color: var(--t1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  font-size: 15px;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ═══════════════════════════════════════
   NAVBAR — 60px, minimal
   ═══════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 60px; display: flex; align-items: center;
  background: rgba(0,0,0,.8);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--b1);
  transition: background .2s, border-color .2s;
}
.nav.scrolled {
  background: rgba(0,0,0,.95);
  border-bottom-color: var(--b2);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 16px; letter-spacing: -.01em;
}
.nav-brand svg { display: block; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 7px 14px; border-radius: 8px;
  font-size: 13px; font-weight: 500; color: var(--t3);
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--t2); background: rgba(255,255,255,.04); }
.nav-link svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 5px; }
.nav-cta {
  margin-left: 8px; padding: 8px 18px; border-radius: 8px;
  font-size: 13px; font-weight: 600; color: #fff;
  background: var(--ac); border: none;
  transition: background .15s, transform .1s;
}
.nav-cta:hover { background: var(--ac2); }
.nav-cta:active { transform: scale(.97); }
.wallet-badge {
  display: none; align-items: center; gap: 7px;
  margin-left: 8px; padding: 6px 12px; border-radius: 8px;
  background: var(--acm); border: 1px solid var(--acb);
  font-family: var(--m); font-size: 11px; color: var(--ac);
}
.wallet-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--grn); }

/* ═══════════════════════════════════════
   HERO — the soul of the page
   ═══════════════════════════════════════ */
.hero {
  position: relative;
  padding: 140px 0 80px;
  border-bottom: 1px solid var(--b1);
}
.hero .wrap { max-width: 680px; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 100px;
  background: var(--s2); border: 1px solid var(--b1);
  font-size: 12px; font-weight: 500; color: var(--t3);
  margin-bottom: 28px;
}
.hero-badge .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ac); }
.hero h1 {
  font-size: clamp(36px, 5.5vw, 54px);
  font-weight: 800; letter-spacing: -.035em;
  line-height: 1.1; margin-bottom: 20px;
}
.hero > p {
  font-size: 17px; color: var(--t2);
  max-width: 560px; margin: 0 auto 0;
  line-height: 1.7;
}
.hero-actions {
  display: flex; flex-direction: column; align-items: center;
  gap: 16px; margin-bottom: 36px; padding-top: 48px;
}
.hero-divider {
  font-size: 12px; color: var(--t4); font-weight: 500;
}
.hero-btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 32px; border-radius: var(--r);
  font-size: 15px; font-weight: 600; color: #fff;
  background: var(--ac); border: none;
  transition: background .15s, transform .1s;
  box-shadow: 0 1px 2px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.1);
}
.hero-btn:hover { background: var(--ac2); }
.hero-btn:active { transform: scale(.97); }
.hero-btn svg { width: 18px; height: 18px; }
.hero-search {
  display: flex; gap: 0;
  max-width: 340px; border-radius: var(--r);
  background: var(--s2); border: 1px solid var(--b1);
  overflow: hidden;
  transition: border-color .15s;
}
.hero-search:focus-within { border-color: var(--b2); }
.hero-search input {
  flex: 1; padding: 12px 16px;
  background: transparent; border: none;
  color: var(--t1); font-family: var(--m); font-size: 13px;
  outline: none; min-width: 0;
}
.hero-search input::placeholder { color: var(--t4); }
.hero-search button {
  padding: 12px 18px; background: transparent; border: none;
  border-left: 1px solid var(--b1);
  font-size: 13px; font-weight: 600; color: var(--t3);
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.hero-search button:hover { color: var(--t1); background: rgba(255,255,255,.04); }
.hero-meta {
  font-size: 12px; color: var(--t4); font-weight: 400;
}

/* ═══════════════════════════════════════
   SECTION SYSTEM
   ═══════════════════════════════════════ */
.section { padding: 96px 0; }
.section--alt { background: var(--s1); }
.section-label {
  font-size: 12px; font-weight: 500;
  color: var(--t4); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700; letter-spacing: -.025em;
  line-height: 1.2; margin-bottom: 14px;
}
.section-desc {
  font-size: 15px; color: var(--t2);
  max-width: 520px; line-height: 1.7;
  margin-bottom: 48px;
}

/* ═══════════════════════════════════════
   STEPS — connect / inspect / revoke
   ═══════════════════════════════════════ */
.steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.step-card {
  padding: 32px 28px; border-radius: 12px;
  background: var(--s2); border: 1px solid var(--b1);
  transition: border-color .2s;
}
.step-card:hover { border-color: var(--b2); }
.step-num {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--acm); border: 1px solid var(--acb);
  color: var(--ac); font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--t2); line-height: 1.65; }

/* ═══════════════════════════════════════
   USE CASES — horizontal layout
   ═══════════════════════════════════════ */
.use-list {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.use-card {
  padding: 28px 24px; border-radius: 12px;
  background: var(--s2); border: 1px solid var(--b1);
  transition: border-color .2s;
}
.use-card:hover { border-color: var(--b2); }
.use-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.use-icon--blue { background: var(--acm); border: 1px solid var(--acb); color: var(--ac); }
.use-icon--amber { background: var(--yelm); border: 1px solid var(--yelb); color: var(--yel); }
.use-icon--red { background: var(--redm); border: 1px solid var(--redb); color: var(--red); }
.use-icon svg { width: 18px; height: 18px; }
.use-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.use-card p { font-size: 13px; color: var(--t2); line-height: 1.65; }

/* ═══════════════════════════════════════
   ECOSYSTEM — compact strip
   ═══════════════════════════════════════ */
.eco-strip {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.eco-card {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; border-radius: var(--r);
  background: var(--s2); border: 1px solid var(--b1);
  transition: border-color .2s;
}
.eco-card:hover { border-color: var(--b2); }
.eco-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.eco-icon svg { width: 16px; height: 16px; }
.eco-card strong { font-size: 13px; font-weight: 600; display: block; }
.eco-card span { font-size: 11px; color: var(--t3); display: block; margin-top: 1px; }
/* Brand-colored ecosystem icons */
.eco-xaman { background: rgba(59,130,246,.08); border: 1px solid rgba(59,130,246,.14); color: #60a5fa; }
.eco-ledger { background: rgba(168,85,247,.08); border: 1px solid rgba(168,85,247,.14); color: #a855f7; }
.eco-bifrost { background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.14); color: #22c55e; }
.eco-bithomp { background: rgba(234,179,8,.08); border: 1px solid rgba(234,179,8,.14); color: #eab308; }
.eco-explorer { background: rgba(236,72,153,.08); border: 1px solid rgba(236,72,153,.14); color: #ec4899; }
.eco-xrpl { background: rgba(99,102,241,.08); border: 1px solid rgba(99,102,241,.14); color: #6366f1; }

/* ═══════════════════════════════════════
   FAQ — smooth accordion
   ═══════════════════════════════════════ */
.faq-wrap { max-width: 700px; }
.faq-item { border-bottom: 1px solid var(--b1); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; cursor: pointer;
  font-size: 15px; font-weight: 500; gap: 20px;
  transition: color .15s;
}
.faq-q:hover { color: var(--ac); }
.faq-q svg {
  width: 16px; height: 16px; color: var(--t4); flex-shrink: 0;
  transition: transform .25s ease, color .15s;
}
.faq-item.open .faq-q svg { transform: rotate(180deg); color: var(--ac); }
.faq-a {
  overflow: hidden;
  max-height: 0;
  transition: max-height .3s ease, opacity .25s ease;
  opacity: 0;
}
.faq-item.open .faq-a {
  max-height: 300px;
  opacity: 1;
}
.faq-a-inner {
  padding-bottom: 20px;
  font-size: 14px; color: var(--t2); line-height: 1.75;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--b1);
}
.footer-grid {
  display: grid; grid-template-columns: 2.5fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 15px; margin-bottom: 12px;
}
.footer-brand svg { display: block; }
.footer-desc { font-size: 13px; color: var(--t4); line-height: 1.65; max-width: 280px; }
.footer-col h4 {
  font-size: 11px; color: var(--t4);
  text-transform: uppercase; letter-spacing: .08em;
  font-weight: 600; margin-bottom: 14px;
}
.footer-col a {
  display: block; font-size: 13px; color: var(--t3);
  padding: 4px 0; transition: color .15s;
}
.footer-col a:hover { color: var(--t1); }
.footer-bottom {
  border-top: 1px solid var(--b1); padding-top: 24px;
  font-size: 12px; color: var(--t4);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: var(--t3); transition: color .15s; }
.footer-bottom a:hover { color: var(--t1); }

/* ═══════════════════════════════════════
   DASHBOARD
   ═══════════════════════════════════════ */
.dash { display: none; padding: 88px 0 64px; }
.dash.active { display: block; }
#landing.hidden { display: none; }
.d-header {
  display: flex; flex-wrap: wrap; align-items: flex-start;
  justify-content: space-between; gap: 12px; margin-bottom: 28px;
}
.d-header h2 { font-size: 22px; font-weight: 700; letter-spacing: -.01em; }
.d-header .addr { font-family: var(--m); font-size: 12px; color: var(--t4); margin-top: 3px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 7px; padding: 9px 18px; border-radius: 8px;
  font-size: 13px; font-weight: 600;
  border: 1px solid var(--b1); background: var(--s2); color: var(--t2);
  transition: all .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--b2); color: var(--t1); }
.btn svg { width: 14px; height: 14px; }
.btn-red { background: var(--red); color: #fff; border-color: transparent; }
.btn-red:hover { background: #dc2626; color: #fff; }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px; margin-bottom: 24px;
}
.stat {
  padding: 18px 20px; border-radius: var(--r);
  background: var(--s1); border: 1px solid var(--b1);
}
.stat-label {
  font-size: 11px; color: var(--t4); text-transform: uppercase;
  letter-spacing: .06em; font-weight: 600; margin-bottom: 8px;
}
.stat-val { font-size: 26px; font-weight: 700; letter-spacing: -.02em; }

.filters { display: flex; gap: 6px; margin-bottom: 16px; overflow-x: auto; }
.filters::-webkit-scrollbar { display: none; }
.fil {
  padding: 7px 16px; border-radius: 8px; font-size: 12px; font-weight: 500;
  border: 1px solid var(--b1); background: transparent; color: var(--t4);
  white-space: nowrap; transition: all .15s;
}
.fil:hover { border-color: var(--b2); color: var(--t2); }
.fil.on { background: var(--acm); color: var(--ac); border-color: var(--acb); }

/* ═══════════════════════════════════════
   TRUST LINE CARDS
   ═══════════════════════════════════════ */
.tl-list { display: flex; flex-direction: column; gap: 6px; }
.tl-card {
  padding: 14px 16px; border-radius: var(--r);
  background: var(--s1); border: 1px solid var(--b1);
  cursor: pointer; transition: border-color .15s;
}
.tl-card:hover { border-color: var(--b2); }
.tl-card-header { display: flex; align-items: center; gap: 12px; }
.tl-cur {
  width: 38px; height: 38px; border-radius: var(--r);
  background: var(--s2); border: 1px solid var(--b1);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.tl-info { flex: 1; min-width: 0; }
.tl-title { display: flex; align-items: center; gap: 8px; margin-bottom: 2px; }
.tl-title span:first-child {
  font-weight: 600; font-size: 14px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.badge {
  display: inline-flex; padding: 2px 8px; border-radius: 5px;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .03em; flex-shrink: 0;
}
.badge-high { background: var(--redm); color: var(--red); border: 1px solid var(--redb); }
.badge-medium { background: var(--yelm); color: var(--yel); border: 1px solid var(--yelb); }
.badge-low { background: var(--grnm); color: var(--grn); border: 1px solid var(--grnb); }
.tl-issuer { font-size: 11px; color: var(--t4); font-family: var(--m); }
.tl-meta { display: flex; gap: 24px; text-align: right; flex-shrink: 0; }
.tl-meta-item { display: none; }
@media(min-width: 640px) { .tl-meta-item { display: block; } }
.tl-meta-item .v { font-size: 13px; font-weight: 500; }
.tl-meta-item .l { font-size: 10px; color: var(--t4); margin-top: 1px; }
.tl-acts { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.tl-rev {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--redm); color: var(--red); border: 1px solid var(--redb);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .15s;
}
.tl-rev:hover { background: var(--red); color: #fff; border-color: var(--red); }
.tl-rev svg { width: 14px; height: 14px; }
.tl-chev {
  width: 14px; height: 14px; color: var(--t4);
  transition: transform .25s ease; flex-shrink: 0;
}
.tl-card.expanded .tl-chev { transform: rotate(180deg); }
.tl-details { display: none; padding-top: 16px; margin-top: 16px; border-top: 1px solid var(--b1); }
.tl-card.expanded .tl-details { display: block; }
.tl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media(max-width: 639px) { .tl-grid { grid-template-columns: 1fr; } }
.tl-d label {
  display: block; font-size: 10px; color: var(--t4);
  text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px;
}
.tl-d .v { font-family: var(--m); color: var(--t2); word-break: break-all; font-size: 12px; }
.tl-warn {
  margin-top: 14px; padding: 12px 16px; border-radius: 8px;
  background: var(--redm); border: 1px solid var(--redb);
  color: #fca5a5; font-size: 13px; line-height: 1.6;
}
.tl-link {
  margin-top: 14px; display: inline-flex; align-items: center;
  gap: 6px; font-size: 12px; color: var(--ac); font-weight: 500;
}
.tl-link:hover { color: var(--ac2); }

/* ═══════════════════════════════════════
   MODAL
   ═══════════════════════════════════════ */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(0,0,0,.7); backdrop-filter: blur(6px);
}
.modal-overlay.active { display: flex; }
.modal-card {
  max-width: 400px; width: 100%; padding: 28px;
  border-radius: 16px; background: var(--s3); border: 1px solid var(--b1);
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(.96) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.modal-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--redm); border: 1px solid var(--redb);
  display: flex; align-items: center; justify-content: center;
}
.modal-icon svg { width: 20px; height: 20px; color: var(--red); }
.modal-header h3 { font-size: 17px; font-weight: 700; }
.modal-body { font-size: 14px; color: var(--t2); line-height: 1.65; margin-bottom: 24px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; justify-content: center; padding: 10px; }

/* EMPTY STATE */
.empty {
  padding: 56px; text-align: center; border-radius: var(--r);
  background: var(--s1); border: 1px solid var(--b1);
}
.empty svg { width: 32px; height: 32px; color: var(--grn); margin: 0 auto 12px; }
.empty p { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.empty span { font-size: 13px; color: var(--t4); }

/* UTILITY */
.c-danger { color: var(--red) !important; }
.c-success { color: var(--grn) !important; }
.c-warning { color: var(--yel) !important; }

/* spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3); border-radius: 50%;
  border-top-color: #fff; animation: spin .6s linear infinite;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  .hero { padding: 130px 0 72px; }
  .hero h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; }
  .hero-search { max-width: 100%; }
  .steps-grid, .use-list { grid-template-columns: 1fr; }
  .eco-strip { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-link { display: none; }
}
@media (max-width: 480px) {
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 26px; }
  .hero > p { font-size: 15px; }
  .hero-search { max-width: 100%; width: 100%; }
  .stats { grid-template-columns: 1fr; }
  .eco-strip { grid-template-columns: 1fr; }
  .d-header { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}