:root {
  --bg: #0a0e17;
  --bg2: #111827;
  --bg3: #1a2235;
  --accent: #3b82f6;
  --accent2: #8b5cf6;
  --green: #10b981;
  --red: #ef4444;
  --cyan: #06b6d4;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --border: #1e293b;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a {
  color: var(--accent);
  text-decoration: none;
}
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo span {
  font-weight: 400;
  opacity: 0.7;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}
.nav-links a {
  color: var(--text2);
  font-size: 0.9rem;
}
.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: 0.2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.btn-primary:hover,
.btn-primary:focus {
  filter: brightness(1.12);
}
.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover,
.btn-outline:focus {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}
.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}
.hero {
  padding: 8.5rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(
    ellipse,
    rgba(59, 130, 246, 0.16),
    transparent 70%
  );
  pointer-events: none;
}
.badge {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text2);
  background: var(--bg2);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}
h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin: 1.4rem auto 1.1rem;
  max-width: 900px;
  letter-spacing: -0.02em;
}
h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 1.15rem;
  color: var(--text2);
  max-width: 760px;
  margin: 0 auto;
}
.cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.invite-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text2);
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3.5rem;
}
.stat {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}
.stat b {
  display: block;
  font-size: 1.7rem;
  font-variant-numeric: tabular-nums;
}
.stat small {
  color: var(--text2);
  font-size: 0.82rem;
}
section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}
h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}
.sub {
  color: var(--text2);
  max-width: 720px;
  margin-bottom: 2.4rem;
}
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.6rem;
}
.card h3 {
  font-size: 1.1rem;
  margin: 0.8rem 0 0.4rem;
}
.card p {
  color: var(--text2);
  font-size: 0.95rem;
}
.ico {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(59, 130, 246, 0.14);
  font-size: 1.3rem;
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  margin-top: 0.7rem;
}
/* live newsroom multi-view */
.wall {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.8rem;
}
.wall .tile:first-child {
  grid-row: span 2;
}
.wall-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 0.8rem;
}
.tile {
  position: relative;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.tile iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.tile .lbl {
  position: absolute;
  left: 0.6rem;
  top: 0.6rem;
  z-index: 2;
  background: rgba(10, 14, 23, 0.8);
  padding: 0.15rem 0.55rem;
  border-radius: 6px;
  font-size: 0.75rem;
  pointer-events: none;
}
.tile .lbl i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  margin-right: 0.35rem;
}
.wall-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
  color: var(--text2);
  font-size: 0.85rem;
}
/* survey */
.survey .q {
  margin-bottom: 1.1rem;
}
.survey .q p {
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg3);
  color: var(--text2);
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
}
.chip[aria-pressed="true"] {
  border-color: var(--accent);
  color: #fff;
  background: rgba(59, 130, 246, 0.2);
}
.result {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 10px;
  background: var(--bg3);
  font-size: 0.9rem;
  color: var(--text2);
  display: none;
}
.result.show {
  display: block;
}
/* local models table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th,
td {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--text2);
  font-weight: 500;
}
td.mono {
  font-family: ui-monospace, Menlo, monospace;
}
.ok {
  color: var(--green);
}
/* traffic meter */
.meter {
  height: 10px;
  border-radius: 999px;
  background: var(--bg3);
  overflow: hidden;
  margin: 0.4rem 0 1rem;
}
.meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
}
/* modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 12, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal.open {
  display: flex;
}
.dialog {
  width: 100%;
  max-width: 420px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
}
.dialog h3 {
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}
.dialog p{color:var(--text2);font-size:.9rem;margin-bottom:1.2rem}
.dialog .close{position:absolute;right:1rem;top:.8rem;background:none;border:0;color:var(--text2);font-size:1.5rem;cursor:pointer}
.dialog label{display:block;font-size:.85rem;color:var(--text2);margin-bottom:.35rem}
.dialog input{width:100%;padding:.8rem 1rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:1rem;font-family:ui-monospace,Menlo,monospace;letter-spacing:.08em;text-transform:uppercase}
.dialog input:focus{outline:2px solid var(--accent);outline-offset:1px}
.dialog .btn{width:100%;margin-top:1rem}
.msg{min-height:1.4rem;margin-top:.8rem;font-size:.88rem}
.msg.err{color:#fca5a5}
.msg.info{color:var(--text2)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
footer{border-top:1px solid var(--border);padding:2rem 0;color:var(--text2);font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
@media(max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}.grid3,.grid2{grid-template-columns:1fr}.wall{grid-template-columns:1fr}.wall .tile:first-child{grid-row:auto}.wall-row{grid-template-columns:1fr 1fr}.nav-links a:not(.btn){display:none}}
@media(prefers-reduced-motion:reduce){.dot{animation:none}html{scroll-behavior:auto}}