:root {
  --bg: #091219;
  --bg-soft: #10222d;
  --panel: rgba(11, 30, 40, 0.82);
  --text: #e9f2f5;
  --muted: #9ab0ba;
  --accent: #f4a300;
  --accent-2: #00b8a9;
  --danger: #ff6b57;
  --ok: #3ddc97;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 44px rgba(0, 0, 0, 0.33);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 12%, rgba(0, 184, 169, 0.2), transparent 38%),
    radial-gradient(circle at 92% 6%, rgba(244, 163, 0, 0.24), transparent 36%),
    linear-gradient(135deg, var(--bg), #0d1f2a 44%, #081018);
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.09;
  background-image: repeating-radial-gradient(
    circle at 0 0,
    transparent 0,
    transparent 4px,
    rgba(255, 255, 255, 0.7) 4px,
    rgba(255, 255, 255, 0.7) 5px
  );
}

.hero,
main,
.footer {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  padding-top: 5rem;
  padding-bottom: 2rem;
  animation: lift 700ms ease-out both;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.78rem;
}

h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  line-height: 1.04;
}

.lede {
  max-width: 760px;
  font-size: clamp(1rem, 2.5vw, 1.22rem);
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(120deg, var(--accent), #f6bf46);
  color: #15202a;
}

.button.ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

main {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.2rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

.panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.metrics-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.metrics-grid article {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.metrics-grid h3 {
  margin: 0 0 0.5rem;
}

.metrics-grid p,
.small-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.strategy-switch {
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 0.55rem 0.95rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  transition: border-color 180ms ease, transform 160ms ease, background-color 180ms ease;
}

.chip:hover {
  transform: translateY(-2px);
}

.chip.active {
  border-color: var(--accent-2);
  background: rgba(0, 184, 169, 0.18);
}

.status-line {
  display: flex;
  gap: 0.45rem;
  margin: 0.25rem 0;
  align-items: center;
}

.status-line code,
.hash-result,
code {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.backend-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.backend-card {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.8rem;
}

.backend-card p {
  margin: 0.25rem 0;
}

.backend-card .alive {
  color: var(--ok);
}

.backend-card .down {
  color: var(--danger);
}

.flow {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.48rem;
}

.hash-controls {
  display: grid;
  gap: 0.55rem;
  max-width: 440px;
}

.ai-actions {
  margin: 0.85rem 0;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

label {
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.72rem;
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 96px;
}

.hash-result {
  margin-top: 0.8rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  padding: 0.75rem;
  min-height: 2.4rem;
}

.footer {
  padding: 0.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: reveal 650ms ease forwards;
}

.reveal:nth-of-type(2) {
  animation-delay: 100ms;
}

.reveal:nth-of-type(3) {
  animation-delay: 170ms;
}

.reveal:nth-of-type(4) {
  animation-delay: 240ms;
}

@keyframes lift {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .panel {
    padding: 1rem;
  }

  .panel-title-row {
    flex-direction: column;
    align-items: flex-start;
  }
}