/* ── ai-cross-chain-gate.css — NFT Gate · Fintech Wave ── */

:root {
  --white:    #ffffff;
  --off:      #f7f8fa;
  --border:   #e4e7ed;
  --txt:      #0f1117;
  --txt2:     #374151;
  --txt3:     #6b7280;
  --txt4:     #9ca3af;
  --blue:     #2563eb;
  --blue-l:   #3b82f6;
  --blue-d:   #1d4ed8;
  --blue-bg:  #eff6ff;
  --blue-b:   #bfdbfe;
  --green:    #059669;
  --green-bg: #ecfdf5;
  --sans:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:     'DM Mono', 'Courier New', monospace;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }
html { font-size:16px }
body {
  font-family:var(--sans);
  background:#ced5f0;
  color:var(--txt);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  display:flex;
  flex-direction:column;
}

/* ── HEADER ── */
header {
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:0 40px; height:64px;
  display:flex; align-items:center; justify-content:space-between;
  flex-shrink:0;
}
.logo-wrap { display:flex; align-items:center; gap:10px; text-decoration:none }
.logo-img   { height:32px; width:32px; border-radius:50%; object-fit:cover }
.logo-text  { font-size:15px; font-weight:700; color:var(--txt); letter-spacing:-.02em }
.header-tag {
  display:flex; align-items:center; gap:7px;
  font-family:var(--mono); font-size:11px; color:var(--txt3); letter-spacing:.02em;
}
.live-dot {
  width:7px; height:7px; border-radius:50%;
  background:var(--green); animation:pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
.header-right { width:160px }

/* ── GATE WRAP ── */
.gate-wrap {
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px 24px;
  position:relative;
  overflow:hidden;
}

/* Subtle background grid */
.bg-grid {
  position:absolute; inset:0; z-index:0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:48px 48px;
  opacity:.4;
}

/* Blue glow blob */
.bg-glow {
  position:absolute;
  top:-120px; left:50%;
  transform:translateX(-50%);
  width:700px; height:500px;
  background:radial-gradient(ellipse at center, rgba(37,99,235,.1) 0%, transparent 70%);
  z-index:0;
  pointer-events:none;
}

/* ── GATE CARD ── */
.gate-card {
  position:relative; z-index:1;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:0 4px 40px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.05);
  width:100%;
  max-width:600px;
  padding:40px 40px 32px;
  display:flex;
  flex-direction:column;
  gap:28px;
  animation:cardIn .4s ease;
}
@keyframes cardIn {
  from { opacity:0; transform:translateY(16px) }
  to   { opacity:1; transform:translateY(0) }
}

/* ── ROBOT ── */
.gate-robot {
  display:flex; justify-content:center;
}
.gate-robot img {
  width:96px; height:96px;
  object-fit:contain;
  filter:drop-shadow(0 4px 16px rgba(37,99,235,.2));
  animation:robotFloat 4s ease-in-out infinite;
}
@keyframes robotFloat {
  0%,100% { transform:translateY(0) }
  50%     { transform:translateY(-6px) }
}

/* ── TITLE BLOCK ── */
.gate-title-block { text-align:center }

.gate-chip {
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--mono); font-size:11px; font-weight:500;
  color:var(--blue); background:var(--blue-bg);
  border:1px solid var(--blue-b); border-radius:20px;
  padding:4px 12px; letter-spacing:.02em; margin-bottom:16px;
}
.gate-chip-dot {
  width:6px; height:6px; border-radius:50%;
  background:var(--blue); display:inline-block;
  animation:pulse 2s infinite;
}

.gate-title-block h1 {
  font-size:clamp(24px,4vw,36px);
  font-weight:800; letter-spacing:-.03em;
  line-height:1.1; margin-bottom:12px;
}
.gate-title-block h1 em { font-style:normal; color:var(--blue) }

.gate-deck {
  font-size:14px; line-height:1.65;
  color:var(--txt2); max-width:420px;
  margin:0 auto;
}

/* ── INNER ── */
.gate-inner { display:flex; flex-direction:column; gap:16px }

/* Spec row */
.gate-spec-row {
  display:flex; align-items:center; justify-content:space-between;
  background:var(--off); border:1px solid var(--border);
  border-radius:10px; padding:14px 20px;
}
.gate-spec { text-align:center; flex:1 }
.gs-label  { font-family:var(--mono); font-size:10px; color:var(--txt3); letter-spacing:.06em; text-transform:uppercase; margin-bottom:4px }
.gs-val    { font-size:13px; font-weight:700; color:var(--txt) }
.gate-spec-div { width:1px; height:32px; background:var(--border); flex-shrink:0 }

/* Message */
.gate-message {
  font-family:var(--mono); font-size:12px;
  padding:10px 14px; border-radius:8px;
  background:var(--blue-bg); border:1px solid var(--blue-b);
  color:var(--blue); text-align:center;
  animation:fadeIn .2s ease;
}
.gate-message.error {
  background:#fef2f2; border-color:#fecaca; color:#dc2626;
}
.gate-message.success {
  background:var(--green-bg); border-color:#a7f3d0; color:var(--green);
}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* CTA button */
.gate-btn {
  display:flex; align-items:center; justify-content:center; gap:10px;
  width:100%; padding:16px;
  background:var(--blue); color:#fff;
  border:none; border-radius:10px;
  font-family:var(--sans); font-size:15px; font-weight:700;
  letter-spacing:-.01em; cursor:pointer;
  transition:background .15s, transform .1s, box-shadow .15s;
  box-shadow:0 2px 12px rgba(37,99,235,.3);
}
.gate-btn:hover {
  background:var(--blue-d);
  transform:translateY(-1px);
  box-shadow:0 4px 20px rgba(37,99,235,.4);
}
.gate-btn:active { transform:translateY(0) }
.gate-btn:disabled {
  opacity:.6; cursor:not-allowed; transform:none;
  box-shadow:none;
}
.gate-btn svg { flex-shrink:0 }

.gate-sub {
  font-size:12px; color:var(--txt4); text-align:center; line-height:1.6;
}

/* ── TEASER ── */
.gate-teaser {
  border-top:1px solid var(--border);
  padding-top:24px;
}
.gt-label {
  font-family:var(--mono); font-size:10px; font-weight:600;
  color:var(--txt3); letter-spacing:.08em; text-transform:uppercase;
  margin-bottom:14px;
}
.gt-items { display:flex; flex-direction:column; gap:10px }
.gt-item  {
  display:flex; align-items:center; gap:12px;
  font-size:13px; color:var(--txt2); line-height:1.4;
}
.gt-icon  { font-size:16px; flex-shrink:0; width:24px; text-align:center }

/* ── FOOTER ── */
footer {
  border-top:1px solid var(--border);
  padding:20px 40px;
  text-align:center;
  font-size:12px; color:var(--txt4);
  background:var(--white);
  flex-shrink:0;
}
footer a { color:var(--txt3); text-decoration:none }
footer a:hover { color:var(--blue) }