:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #e9eff8;
  --ink: #0f172a;
  --muted: #465166;
  --brand: #0b5fff;
  --brand-deep: #083ea8;
  --accent: #00a4a6;
  --line: #d4dced;
  --success: #0f766e;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 15%, #e9f0ff 0, rgba(233, 240, 255, 0) 45%),
    radial-gradient(circle at 85% 10%, #ddfbff 0, rgba(221, 251, 255, 0) 40%),
    var(--bg);
}

a {
  color: var(--brand);
}

a:hover {
  color: var(--brand-deep);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink) !important;
}

.navbar-brand img {
  height: 34px;
  width: auto;
  margin-right: 8px;
}

.nav-link {
  color: var(--ink) !important;
  font-weight: 500;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--brand) !important;
}

.btn-apilot,
.btn-apilot:focus {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.65rem 1.2rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.btn-apilot:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(11, 95, 255, 0.2);
}

.btn-primary-apilot {
  background: linear-gradient(135deg, var(--brand), #2a7fff);
  color: #fff;
}

.btn-primary-apilot:hover {
  color: #fff;
}

.btn-ghost-apilot {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.hero-shell {
  padding: 72px 0 52px;
}

.hero-card {
  border: 1px solid var(--line);
  background: linear-gradient(155deg, #fff, #f3f7ff);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  padding: 2.5rem;
  min-height: 360px;
}

.hero-label {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  font-size: 0.8rem;
}

.hero-title {
  margin-top: 0.8rem;
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-title .mark {
  background: transparent;
  color: var(--brand);
  padding: 0;
}

.hero-copy {
  margin-top: 1rem;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.carousel-indicators [data-bs-target] {
  width: 40px;
  height: 6px;
  border-radius: 999px;
  border: 0;
  background-color: #9fb4dc;
}

.carousel-indicators .active {
  background-color: var(--brand);
}

.section-wrap {
  padding: 72px 0;
}

.section-wrap.alt {
  background: linear-gradient(180deg, rgba(230, 238, 252, 0.55), rgba(230, 238, 252, 0));
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.1;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.section-copy {
  color: var(--muted);
  max-width: 800px;
}

.grid-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  padding: 1.2rem;
  height: 100%;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.grid-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.55rem;
}

.grid-card p {
  color: var(--muted);
  margin-bottom: 0.95rem;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.4rem;
  background: linear-gradient(165deg, #fff, #f6f9ff);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
  height: 100%;
}

.product-sub {
  display: block;
  color: var(--accent);
  margin-bottom: 0.7rem;
  font-weight: 600;
}

.list-clean {
  margin: 0;
  padding-left: 1.1rem;
}

.list-clean li {
  margin-bottom: 0.4rem;
  color: var(--muted);
}

.faq-wrap .accordion-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 0.7rem;
}

.faq-wrap .accordion-button {
  font-weight: 600;
}

.faq-wrap .accordion-button:not(.collapsed) {
  color: var(--brand-deep);
  background: #edf3ff;
}

.contact-shell {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
  padding: 1.4rem;
}

.form-control,
.form-control:focus {
  border-radius: 12px;
  border-color: #c5d2ea;
  box-shadow: none;
}

.form-note {
  min-height: 24px;
  font-weight: 600;
  margin-top: 0.7rem;
}

.form-note.success {
  color: var(--success);
}

.form-note.error {
  color: var(--danger);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  background: rgba(255, 255, 255, 0.9);
}

.site-footer p,
.site-footer a {
  color: var(--muted);
  margin: 0;
}

.doc-shell {
  min-height: 70vh;
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.legal p,
.legal li {
  color: var(--muted);
}

.post-shell {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  padding: 1.2rem;
}

.route-hero {
  padding: 64px 0 36px;
}

@media (max-width: 991.98px) {
  .hero-card {
    padding: 1.5rem;
    min-height: 340px;
  }

  .section-wrap {
    padding: 56px 0;
  }

  .route-hero {
    padding-top: 44px;
  }
}