:root {
  --primary: #3498db;
  --primary-dark: #2980b9;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #ecf0f1;
  --gray-500: #7f8c8d;
  --gray-700: #2c3e50;
  --gray-900: #1a1a2e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo img {
  display: block;
  height: 44px;
  width: auto;
  max-width: min(260px, 62vw);
}

@media (min-width: 769px) {
  .logo img {
    height: 48px;
    max-width: 280px;
  }
}

.mcp-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: #0c4a6e;
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
  border: 1px solid #7dd3fc;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.mcp-badge:hover {
  background: linear-gradient(135deg, #bae6fd 0%, #7dd3fc 100%);
  color: #082f49;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
}

.nav a:hover {
  color: var(--primary);
}

.btn-nav {
  background: var(--primary);
  color: var(--white) !important;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.btn-nav:hover {
  background: var(--primary-dark);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  display: inline-block;
  background: var(--gray-200);
  color: var(--gray-700);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--gray-500);
}

.btn-secondary:hover {
  background: var(--gray-100);
}

/* Hero kicker & MCP copy */
.hero-kicker {
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
  color: var(--gray-500);
}

.hero-kicker a {
  color: #0369a1;
  font-weight: 600;
  text-decoration: none;
}

.hero-kicker a:hover {
  text-decoration: underline;
}

.mcp-copy-row {
  margin-top: 1.75rem;
  padding: 1rem 1.25rem;
  background: var(--gray-100);
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  max-width: 40rem;
}

.mcp-copy-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.mcp-copy-wrap {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: stretch;
}

.mcp-copy-tooltip {
  position: absolute;
  right: 0;
  bottom: 100%;
  margin-bottom: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: #0f172a;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
  white-space: nowrap;
}

.mcp-copy-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.mcp-url-input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-family: ui-monospace, monospace;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
}

.btn-copy-mcp {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  background: #0ea5e9;
  color: var(--white);
}

.btn-copy-mcp:hover {
  background: #0284c7;
}

.mcp-copy-hint {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.mcp-playground {
  background: linear-gradient(180deg, #f8fafc 0%, var(--white) 100%);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
}

.section-lead {
  max-width: 42rem;
  color: var(--gray-700);
}

.playground-chat {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.playground-msg {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  max-width: 40rem;
}

.playground-msg.user {
  align-self: flex-end;
  background: #e0f2fe;
  border: 1px solid #7dd3fc;
}

.playground-msg.agent {
  align-self: flex-start;
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.playground-msg p {
  margin: 0.35rem 0 0;
}

.playground-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
}

.playground-disclaimer {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 0.75rem;
  font-style: italic;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--gray-900);
  margin-bottom: 1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto 2rem;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .mcp-copy-row {
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

/* Sections */
.section {
  padding: 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section h2 {
  text-align: center;
  color: var(--gray-900);
  margin-bottom: 2rem;
  font-size: 1.75rem;
}

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  text-align: center;
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--gray-500);
  margin: 0;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: block;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  line-height: 48px;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h3 { font-size: 1.1rem; color: var(--gray-900); }
.step p { color: var(--gray-500); margin: 0; font-size: 0.95rem; }

/* Endpoints */
.endpoint {
  background: var(--gray-100);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border-left: 4px solid var(--primary);
}

.endpoint code {
  font-family: ui-monospace, monospace;
  font-size: 0.95rem;
  color: var(--gray-900);
}

.endpoint p {
  margin: 0.5rem 0 0;
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* Pricing table */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pricing-card {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  background: var(--white);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(52, 152, 219, 0.2);
}

.pricing-card h3 {
  margin: 0 0 0.5rem;
  color: var(--gray-900);
}

.pricing-card .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  font-size: 0.95rem;
  color: var(--gray-500);
}

.pricing-card li { margin: 0.5rem 0; }

/* Signup page — minimal self-serve form for free API key */
.signup-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.signup-section {
  max-width: 30rem;
  margin: 0 auto;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.signup-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.signup-field label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-700);
}

.signup-hint {
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-left: 0.25rem;
}

.signup-field input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 1rem;
  color: var(--gray-900);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}

.signup-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.signup-submit {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.signup-submit:disabled {
  opacity: 0.6;
  cursor: progress;
}

.signup-tos {
  margin: 0;
  font-size: 0.82rem;
  color: var(--gray-500);
  text-align: center;
}

.signup-tos a { color: var(--primary); text-decoration: none; }
.signup-tos a:hover { text-decoration: underline; }

.signup-alert {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.92rem;
}

.signup-alert--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.signup-result {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid #bbf7d0;
  background: #f0fdf4;
  border-radius: 12px;
}

.signup-result-title {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  color: #14532d;
}

.signup-key-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.signup-key {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.6rem 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  word-break: break-all;
  background: var(--white);
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  color: #14532d;
}

.signup-copy {
  flex: 0 0 auto;
}

.signup-key-status {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: #166534;
  min-height: 1.2em;
}

.signup-result-note {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  color: var(--gray-700);
}

.signup-next {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid #bbf7d0;
}

.signup-next p {
  margin: 0 0 0.4rem;
  color: var(--gray-700);
}

.signup-next ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.signup-next li { margin: 0.3rem 0; line-height: 1.5; }

.signup-recipes {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.signup-recipe {
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  background: #ffffff;
  padding: 0.75rem 0.85rem;
}

.signup-recipe-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.signup-recipe-head strong {
  font-size: 0.92rem;
  color: #14532d;
}

.signup-snippet {
  margin: 0;
  padding: 0.6rem 0.75rem;
  background: var(--gray-100);
  border-radius: 6px;
  font-size: 0.82rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
}

.signup-snippet code { background: transparent; padding: 0; }

.signup-copy-small {
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  border-radius: 6px;
}

.signup-next code {
  font-size: 0.85em;
  background: var(--gray-100);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

@media (max-width: 480px) {
  .signup-section { padding: 2rem 1rem; }
  .signup-form { padding: 1.1rem; }
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  background: var(--gray-100);
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-top: 3rem;
}

.footer a { color: var(--primary); text-decoration: none; }
.footer p { margin: 0.25rem 0; }

/* Contact / Docs content */
.page-content {
  min-height: 50vh;
}

.page-content h2 { margin-top: 2rem; }
.page-content h2:first-child { margin-top: 0; }

/* Legal pages (Terms, Privacy) — clean, readable */
.hero-legal {
  padding: 2.5rem 2rem;
}

.hero-legal h1 { font-size: 1.75rem; margin-bottom: 0.25rem; }
.hero-legal p { font-size: 0.95rem; color: var(--gray-500); margin: 0; }

.legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
}

.legal-content p {
  margin: 0 0 1rem;
  color: var(--gray-700);
  line-height: 1.7;
}

.legal-content h2 {
  font-size: 1.2rem;
  color: var(--gray-900);
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--gray-200);
}

.legal-content h2:first-of-type { margin-top: 0; }

.legal-content ul {
  margin: 0 0 1rem 1.25rem;
  padding: 0;
}

.legal-content li {
  margin: 0.35rem 0;
  line-height: 1.6;
}

.legal-content a {
  color: var(--primary);
  text-decoration: none;
}

.legal-content a:hover { text-decoration: underline; }

.legal-content code {
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
  background: var(--gray-200);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* About page — ordered list steps */
.about-steps {
  margin: 1rem 0 1rem 1.25rem;
  padding: 0;
}

.about-steps li {
  margin: 0.75rem 0;
  padding-left: 0.5rem;
  line-height: 1.6;
}

.about-steps li::marker {
  font-weight: 600;
  color: var(--primary);
}

/* Homepage — Live activity heartbeat (sanitized public feed) */
.live-activity-section {
  scroll-margin-top: 1rem;
}

.live-activity-intro {
  max-width: 42rem;
  margin-bottom: 1rem;
}

.live-activity-heading-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 0 0 0.35rem;
}

.live-activity-h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--gray-900);
}

.live-activity-indicator {
  display: inline-flex;
  align-items: center;
}

.live-activity-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
  animation: live-heartbeat 2s ease-in-out infinite;
}

@keyframes live-heartbeat {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.35);
  }
  50% {
    opacity: 0.85;
    transform: scale(1.15);
    box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
  }
}

.live-activity-live-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: #15803d;
  letter-spacing: 0.02em;
}

.live-activity-tagline {
  margin: 0;
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.55;
}

.live-activity-panel {
  max-width: 40rem;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: linear-gradient(to bottom, #fafbfc, #ffffff);
  padding: 1rem 1rem 1.1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.live-activity-panel-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}

.live-activity-status {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.live-activity-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.live-activity-item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  align-items: center;
  padding: 0.55rem 0;
  border-top: 1px solid var(--gray-200);
  font-size: 0.9rem;
}

.live-activity-item:first-of-type {
  border-top: none;
  padding-top: 0;
}

.live-activity-country {
  flex: 0 0 auto;
  min-width: 2.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--gray-700);
}

.live-activity-action {
  flex: 1 1 12rem;
  min-width: 0;
  color: var(--gray-900);
  font-weight: 600;
}

.live-activity-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  margin-left: auto;
  justify-content: flex-end;
}

.live-activity-pill {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}

.live-activity-pill--success {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.live-activity-pill--warn {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.live-activity-pill--err {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.live-activity-pill--grey {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

.live-activity-latency,
.live-activity-when {
  flex: 0 0 auto;
  font-size: 0.8rem;
  color: var(--gray-500);
  white-space: nowrap;
}


.live-activity-noscript {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); padding: 1rem; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
  .menu-toggle { display: block; }
  .hero { padding: 2.5rem 1rem; }
  .section { padding: 2rem 1rem; }
}