:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-strong: #f0f4ff;
  --card: #ffffff;
  --text: #0f1b30;
  --muted: #51607c;
  --primary: #2d7ff9;
  --primary-strong: #195fd0;
  --accent: #f97316;
  --border: rgba(9, 31, 77, 0.12);
  --pill: rgba(45, 127, 249, 0.12);
  --shadow: 0 18px 60px rgba(16, 38, 88, 0.12);
  --radius: 16px;
  --radius-pill: 999px;
  --grid-gap: 24px;
  --transition: 200ms ease;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(45, 127, 249, 0.08), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(249, 115, 22, 0.12), transparent 35%),
    linear-gradient(180deg, #f6f8fd 0%, #eef3ff 55%, #f6f8fd 100%);
  color: var(--text);
  min-height: 100vh;
}

.page { max-width: 1200px; margin: 0 auto; padding: 0 20px 80px; }

a { color: inherit; text-decoration: none; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: linear-gradient(90deg, rgba(45, 127, 249, 0.08), rgba(249, 115, 22, 0.06)), rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(9, 31, 77, 0.08);
  border-radius: 18px;
  box-shadow: 0 12px 36px rgba(16, 38, 88, 0.08);
  margin-top: 12px;
  position: relative;
}

.nav__brand {
  font-weight: 800;
  letter-spacing: 0.6px;
  font-size: 1.12rem;
  padding: 10px 14px;
  border-radius: 12px;
  background: linear-gradient(120deg, rgba(45, 127, 249, 0.14), rgba(249, 115, 22, 0.12));
  color: #0f1b30;
}

.nav__links {
  display: flex;
  gap: 10px;
  align-items: center;
}

.nav__link {
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  color: var(--muted);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav__link.is-active, .nav__link:hover {
  color: var(--primary-strong);
  background: var(--surface-strong);
}
.nav__link.is-active::after, .nav__link:hover::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--primary), var(--accent));
}

.nav__cta {
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(9, 31, 77, 0.12);
  color: var(--text);
  transition: all var(--transition);
  background: rgba(255, 255, 255, 0.75);
}

.nav__cta--primary {
  background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 8px 30px rgba(45, 127, 249, 0.2);
}

.nav__cta:hover { border-color: var(--primary); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(16, 38, 88, 0.12); }
.nav::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -10px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(45, 127, 249, 0.2), rgba(249, 115, 22, 0.18));
  opacity: 0.9;
}

.nav__toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; }

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
  gap: var(--grid-gap);
  padding: 60px 0 24px;
}

.hero__content h1 { font-size: clamp(2.4rem, 3vw, 3.2rem); margin: 12px 0; }
.hero__content p { color: var(--muted); max-width: 640px; }

.hero__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel__title { font-weight: 700; margin-bottom: 12px; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.metric { background: var(--surface-strong); border-radius: var(--radius); padding: 12px; border: 1px solid var(--border); }
.metric span { display: block; font-size: 1.4rem; font-weight: 700; }
.metric p { margin: 6px 0 0; color: var(--muted); font-size: 0.95rem; }

.chip-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { padding: 10px 12px; border-radius: var(--radius-pill); background: var(--pill); color: var(--primary-strong); border: 1px solid rgba(45, 127, 249, 0.35); font-weight: 600; }

.section { padding: 50px 0; }
.section h2 { margin: 0 0 12px; font-size: 2rem; }
.section h3 { margin-top: 0; }

.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--grid-gap); align-items: start; }

.card {
  background: radial-gradient(circle at 12% 20%, rgba(45, 127, 249, 0.05), transparent 35%), var(--card);
  border: 1px solid rgba(9, 31, 77, 0.08);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 14px 44px rgba(16, 38, 88, 0.12);
}

.card.gradient { background: linear-gradient(160deg, rgba(45, 127, 249, 0.08), rgba(249, 115, 22, 0.08)); }
.card--accent {
  background: linear-gradient(145deg, rgba(45, 127, 249, 0.1), rgba(249, 115, 22, 0.08)), var(--card);
  border: 1px solid rgba(45, 127, 249, 0.18);
  box-shadow: 0 18px 52px rgba(16, 38, 88, 0.14);
}

.card__header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.2px;
}

.badge--warning {
  background: rgba(249, 115, 22, 0.12);
  color: #9a3a04;
  border: 1px solid rgba(249, 115, 22, 0.25);
}

.card__header { font-weight: 700; margin-bottom: 10px; }

.avatar-row { display: flex; gap: 8px; margin: 12px 0; }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border); font-weight: 700; color: var(--text); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--grid-gap); }
.dashboard-grid { gap: 28px; }
.dashboard-grid--primary { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform var(--transition), border var(--transition), box-shadow var(--transition);
  box-shadow: 0 10px 30px rgba(16, 38, 88, 0.06);
}

.feature-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: 0 14px 40px rgba(16, 38, 88, 0.12); }

.feature-card__icon { font-size: 1.5rem; margin-bottom: 10px; }

.checklist { list-style: none; padding: 0; margin: 12px 0 0; }
.checklist li { margin-bottom: 8px; position: relative; padding-left: 22px; color: var(--muted); }
.checklist li::before { content: '•'; position: absolute; left: 8px; color: var(--primary); }

.steps { margin: 0; padding-left: 18px; color: var(--muted); }

.pill {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--pill);
  color: var(--primary-strong);
  font-weight: 700;
  letter-spacing: 0.3px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
  transition: all var(--transition);
  font-weight: 700;
}

.btn--primary {
  background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 12px 36px rgba(45, 127, 249, 0.22);
}

.btn--ghost { background: transparent; color: var(--text); }
.btn:hover { border-color: var(--primary); transform: translateY(-1px); }

.text-link { color: var(--primary); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--grid-gap); align-items: start; }

.form .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form label { font-weight: 600; color: var(--muted); }
.form input, .form select, .form textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  width: 100%;
}
.form textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.5;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
  border: 1px solid rgba(9, 31, 77, 0.14);
  box-shadow: inset 0 1px 2px rgba(16, 38, 88, 0.12);
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid rgba(45, 127, 249, 0.35); border-color: var(--primary); }

.field--inline { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }

.form__footer { margin-top: 12px; color: var(--muted); }

.hero--sub { padding-top: 40px; padding-bottom: 10px; }

.footer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  padding: 56px 32px 28px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 70px;
  background: linear-gradient(180deg, rgba(45, 127, 249, 0.04), rgba(249, 115, 22, 0.03));
  border-radius: 22px 22px 0 0;
  box-shadow: 0 10px 40px rgba(16, 38, 88, 0.08);
}

.footer__brand { font-weight: 800; color: var(--text); }
.footer__tag { margin: 6px 0; }
.footer__pill { margin-top: 10px; display: inline-flex; }
.footer__links.cta-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer__block h4 { margin: 0 0 8px; color: var(--text); }
.footer__block { display: grid; gap: 6px; }
.footer__nav a { color: var(--text); }

.announcement {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.98rem;
}
.announcement strong { color: var(--primary-strong); }
.footer__links a { color: var(--text); }
.footer__legal { font-size: 0.9rem; }

.alert {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.25);
  color: #9a3a04;
  margin-bottom: 12px;
  font-weight: 600;
}

.dashboard-grid { align-items: stretch; }
.stat { font-size: 1.6rem; font-weight: 800; margin: 8px 0; }
.api-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 14px;
  background: #eef3ff;
  border: 1px dashed rgba(45, 127, 249, 0.45);
  color: #0f1b30;
  min-width: 240px;
  text-align: center;
  font-family: 'SFMono-Regular', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  margin: 10px 0;
}
.pill-group { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 16px; }
.subscribe-form { display: grid; gap: 12px; }
.subscribe-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }

@media (max-width: 780px) {
  .nav__links { display: none; flex-direction: column; align-items: flex-start; background: var(--card); padding: 12px; border-radius: var(--radius); border: 1px solid var(--border); }
  .nav__links.is-open { display: flex; }
  .nav__toggle { display: block; }
  .page { padding: 0 16px 60px; }
}