:root {
  --accent: #2DD4BF;
  --bg: #0B1220;
  --surface: #121B2E;
  --text: #F5F7FA;
  --muted: #8B96AC;
  --border: #1E2A42;
}

* { box-sizing: border-box; }

body { margin: 0; }

.nnd-root {
  font-family: 'Inter', sans-serif;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

.nnd-display { font-family: 'Space Grotesk', sans-serif; }

/* Nav */
.nnd-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 64px;
  border-bottom: 1px solid var(--border);
}
.nnd-nav-brand { display: flex; align-items: center; gap: 10px; }
.nnd-nav-title { font-size: 19px; font-weight: 700; letter-spacing: -0.3px; }
.nnd-nav-links { display: flex; gap: 32px; align-items: center; }
.nnd-nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; }

/* Hero */
.nnd-hero {
  position: relative;
  padding: 96px 64px 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}
.nnd-hero-ring {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 1px solid var(--border);
}
.nnd-hero-ring-1 { top: 40px; width: 560px; height: 560px; }
.nnd-hero-ring-2 { top: 120px; width: 400px; height: 400px; }

.nnd-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
}

.nnd-h1 {
  position: relative;
  font-size: 56px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -1px;
  margin: 0 0 18px;
  max-width: 780px;
}
.nnd-accent-text { color: var(--accent); }

.nnd-sub {
  position: relative;
  font-size: 17px;
  color: var(--muted);
  max-width: 540px;
  margin: 0 0 44px;
  line-height: 1.6;
}

.nnd-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.nnd-input-card {
  width: 100%;
  max-width: 520px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.06);
}
.nnd-input-card label {
  text-align: left;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}
.nnd-input-row { display: flex; gap: 10px; }
.nnd-input-row input {
  flex: 1;
  background: #0E1829;
  border: 1px solid #223150;
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  font-size: 16px;
  outline: none;
  font-family: inherit;
}

.nnd-btn {
  background: var(--accent);
  color: #06231D;
  border: none;
  border-radius: 12px;
  padding: 0 22px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
}
.nnd-btn:hover { background: color-mix(in srgb, var(--accent) 85%, white); }
.nnd-btn:disabled { opacity: 0.6; cursor: default; }

.nnd-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.nnd-error {
  font-size: 12px;
  color: #FCA5A5;
  text-align: left;
}
.nnd-error[hidden] { display: none; }

.nnd-result-card {
  margin-top: 36px;
  width: 100%;
  max-width: 400px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
}
.nnd-result-badge {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #0C8A3E;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nnd-result-badge span { color: #fff; font-weight: 700; font-size: 17px; }
.nnd-result-info { display: flex; flex-direction: column; gap: 3px; }
.nnd-result-name { font-size: 17px; font-weight: 700; }
.nnd-result-meta { font-size: 13px; color: var(--muted); }
.nnd-result-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: #34D399;
  margin-top: 2px;
  font-weight: 500;
}

/* Dynamism only — the layout above is unchanged. JS toggles this class to
   make the result "pop up when found" rather than appearing instantly. */
@keyframes nnd-pop-in {
  0% { opacity: 0; transform: translateY(8px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.nnd-pop { animation: nnd-pop-in 0.35s ease; }

/* Sections */
.nnd-section { padding: 72px 64px; border-top: 1px solid var(--border); }
.nnd-h2 { font-size: 28px; font-weight: 700; text-align: center; margin: 0 0 8px; }
.nnd-section-sub { text-align: center; color: var(--muted); font-size: 15px; margin: 0 0 40px; }

.nnd-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}
.nnd-provider-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  text-align: center;
}
.nnd-swatch { width: 40px; height: 40px; border-radius: 10px; }
.nnd-provider-name { font-weight: 700; font-size: 15px; }
.nnd-provider-prefixes { font-size: 12px; color: var(--muted); }

.nnd-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
}
.nnd-step { display: flex; flex-direction: column; gap: 12px; }
.nnd-step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nnd-step-title { font-weight: 700; font-size: 16px; }
.nnd-step-text { font-size: 14px; color: var(--muted); line-height: 1.6; margin: 0; }

/* Footer */
.nnd-footer {
  padding: 32px 64px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 800px) {
  .nnd-nav, .nnd-hero, .nnd-section, .nnd-footer { padding-left: 24px; padding-right: 24px; }
  .nnd-h1 { font-size: 36px; }
  .nnd-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nnd-grid-3 { grid-template-columns: 1fr; }
  .nnd-nav-links { display: none; }
}