@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;700;800&display=swap");

:root {
  --bg-0: #07080f;
  --bg-1: #0c111b;
  --bg-2: #111827;
  --accent: #00d9ff;
  --accent-2: #14e8c2;
  --text: #e5f7ff;
  --muted: #8aa4b8;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 217, 255, 0.18);
}

/* ── Gradio shell reset ── */
.gradio-container {
  color: var(--text);
  background:
    radial-gradient(ellipse at 10% 15%, rgba(0, 217, 255, 0.1) 0%, transparent 28%),
    radial-gradient(ellipse at 90% 5%, rgba(110, 79, 255, 0.12) 0%, transparent 22%),
    radial-gradient(ellipse at 50% 100%, rgba(20, 232, 194, 0.06) 0%, transparent 30%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 50%, var(--bg-0));
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

.gradio-container .main {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0;
}

.gradio-container .contain { gap: 0; }

footer { display: none !important; }

/* ── Root wrapper ── */
.nx-root {
  display: grid;
  gap: 1rem;
  padding: 1.2rem 1.4rem 1.4rem;
  min-height: 100vh;
  grid-template-rows: auto 1fr auto;
}

/* ── Header ── */
.nx-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.nx-header-left {
  display: grid;
  gap: 0.2rem;
  align-content: start;
}

.nx-eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.68rem;
  font-weight: 700;
}

.nx-wordmark {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: 0.88;
  letter-spacing: -0.07em;
  background: linear-gradient(135deg, #e5f7ff 0%, #8fefff 50%, #14e8c2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nx-tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.nx-header-links {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-shrink: 0;
}

.nx-nav-link {
  padding: 0.42rem 0.88rem;
  border-radius: 999px;
  border: 1px solid var(--border-accent);
  background: rgba(0, 217, 255, 0.06);
  color: #8fefff;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.nx-nav-link:hover,
.nx-nav-link:focus-visible {
  background: rgba(0, 217, 255, 0.12);
  border-color: rgba(0, 217, 255, 0.32);
  transform: translateY(-1px);
}

/* ── Surface grid ── */
.nx-surface-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  align-items: stretch;
}

.nx-surface-card {
  --card-accent: #00d9ff;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.55rem;
  padding: 1.1rem 1.15rem 1rem;
  border-radius: 22px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(12, 17, 27, 0.97), rgba(12, 17, 27, 0.88)),
    radial-gradient(circle at 90% 0%, rgba(var(--card-accent), 0.06), transparent 55%);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  outline: none;
  position: relative;
  overflow: hidden;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.nx-surface-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--card-accent), transparent);
  opacity: 0.7;
  transition: opacity 160ms ease;
}

.nx-surface-card:hover,
.nx-surface-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.36), 0 0 0 1px rgba(0, 217, 255, 0.06) inset;
}

.nx-surface-card:hover::before,
.nx-surface-card:focus-visible::before {
  opacity: 1;
}

.nx-surface-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nx-surface-role {
  color: var(--card-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.65rem;
  font-weight: 700;
}

.nx-surface-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--card-accent);
  box-shadow: 0 0 8px var(--card-accent);
  animation: pulse-dot 2.4s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.38; }
}

.nx-surface-name {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: #f0faff;
}

.nx-surface-desc {
  margin: 0;
  color: #b7c9d9;
  font-size: 0.88rem;
  line-height: 1.55;
}

.nx-surface-cta {
  display: inline-block;
  padding: 0.38rem 0.82rem;
  border-radius: 999px;
  border: 1px solid var(--border-accent);
  background: rgba(0, 217, 255, 0.05);
  color: #8fefff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  justify-self: start;
  transition: background 140ms ease;
}

.nx-surface-card:hover .nx-surface-cta {
  background: rgba(0, 217, 255, 0.1);
}

/* ── Footer membrane ── */
.nx-membrane-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.nx-guarantee-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nx-guarantee-list li {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  position: relative;
  padding-left: 0.85rem;
}

.nx-guarantee-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

.nx-render-stamp {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 0.73rem;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .nx-surface-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .nx-root { padding: 0.85rem; }
  .nx-header { flex-direction: column; align-items: start; }
  .nx-surface-grid { grid-template-columns: 1fr; }
  .nx-wordmark { font-size: 3rem; }
  .nx-membrane-footer { flex-direction: column; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}