:root {
  font-family: "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;
  background-color: #000000;
}

body {
  margin: 0;
  line-height: 1.6;
  background-color: #03040b;
  color: #f5f6ff;
}

.testapi-body {
  background-color: #f4f6f8;
  color: #16202a;
}

.testapi-body main {
  background: #fff;
  color: #16202a;
}

.testapi-body footer {
  background: #fff;
  color: #475569;
}

header.hero,
header.subpage {
  background: linear-gradient(135deg, #0a84ff, #7b47ff);
  color: #fff;
  padding: 4rem clamp(1.5rem, 4vw, 6rem);
}

header.subpage {
  padding: 2.5rem clamp(1.5rem, 4vw, 6rem);
}

header .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
}

header h1 {
  margin-top: 0.5rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

main {
  padding: 2.5rem clamp(1.5rem, 4vw, 6rem);
  background: #fff;
}

section + section {
  margin-top: 3rem;
}

.panel {
  margin-top: 1rem;
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background-color: #f8fafc;
}

form label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

textarea {
  width: 100%;
  min-height: 120px;
  border-radius: 8px;
  border: 1px solid rgba(15, 23, 42, 0.2);
  padding: 0.75rem;
  font-family: inherit;
  resize: vertical;
}

.hint {
  font-size: 0.9rem;
  color: #475569;
}

button {
  margin-top: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: none;
  background: #0a84ff;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.result {
  margin-top: 1rem;
  min-height: 2rem;
}

.result ul {
  padding-left: 1.5rem;
}

ul,
ol {
  padding-left: 1.5rem;
}

pre {
  background-color: #f5f5f7;
  color: #111827;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid rgba(15, 23, 42, 0.1);
}

code {
  background: #e2e8f0;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: #0f172a;
}

a.button {
  display: inline-block;
  margin-right: 1rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  color: #111;
  background: #fff;
  font-weight: 600;
}

a.button.secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

footer {
  padding: 2rem clamp(1.5rem, 4vw, 6rem);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  background: #03040b;
}

footer a {
  color: #8ec5ff;
}

.home-hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  background: radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.12), transparent 50%),
    radial-gradient(circle at 80% -10%, rgba(90, 149, 255, 0.35), transparent 35%),
    linear-gradient(125deg, #05040c 0%, #0f2136 45%, #05040c 100%);
  color: #eff6ff;
  padding: 4rem clamp(1.5rem, 4vw, 6rem);
}

.logo-pair {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background: linear-gradient(145deg, #f4ba3f, #f96b1c);
  color: #0f0c0a;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.logo-label {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.9);
}

.hero-content {
  flex: 1 1 320px;
  max-width: 540px;
}

.hero-content .lead {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.78);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cta {
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #0f172a;
  background: #fff;
}

.cta.primary {
  background: linear-gradient(135deg, #7b47ff, #0a84ff);
  color: #fff;
  border: none;
}

.cta.ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.35);
}

.hero-card {
  flex: 1 1 260px;
  background: rgba(5, 10, 18, 0.8);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #f8fafc;
}

.hero-card .badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(134, 208, 255, 0.12);
  color: #8ec5ff;
  font-size: 0.85rem;
}

.home-main {
  padding: 0;
  background: #03040b;
}

.intro-section {
  padding: 3rem clamp(1.5rem, 4vw, 6rem);
  background: #050912;
  color: #f4f8ff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 3rem clamp(1.5rem, 4vw, 6rem);
}

.feature-card {
  background: rgba(4, 9, 18, 0.95);
  border-radius: 16px;
  padding: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.4);
  color: #dbe6ff;
}

.cta-panel {
  margin: 0 clamp(1.5rem, 4vw, 6rem);
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.85), rgba(123, 71, 255, 0.85));
  color: #fff;
  border-radius: 24px;
  padding: 3rem clamp(1.5rem, 4vw, 6rem);
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

.cta-panel .cta {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  background: transparent;
}

.cta-panel .cta.primary {
  background: #fff;
  color: #0f172a;
}

.cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}