/* Buttons, cards, nav: calm, rounded, soft shadow */

/* Primary CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--color-cta);
  color: white;
  box-shadow: var(--shadow-cta);
}

.btn--primary:hover {
  background: var(--color-cta-hover);
  box-shadow: 0 6px 28px var(--color-cta-shadow);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1px solid rgba(244, 247, 250, 0.4);
}

.btn--secondary:hover {
  background: rgba(244, 247, 250, 0.08);
  border-color: rgba(244, 247, 250, 0.6);
}

/* Cards */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.card--dark {
  background: var(--color-card-dark);
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

/* Nav – solid bg for smooth scroll (no backdrop-filter) */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem clamp(1.5rem, 5vw, 3rem);
  background: rgba(11, 28, 45, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transform: translateZ(0);
  backface-visibility: hidden;
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-on-dark);
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  color: var(--color-text-muted-on-dark);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav__links a:hover {
  color: var(--color-text-on-dark);
}

/* Footer */
.footer {
  background: var(--color-midnight);
  color: var(--color-text-muted-on-dark);
  padding: 3rem clamp(1.5rem, 5vw, 3rem) 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__grid {
  max-width: 1100px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text-on-dark);
  margin-bottom: 0.5rem;
}

.footer__tagline {
  font-size: 0.875rem;
  max-width: 280px;
  line-height: 1.5;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__links a {
  color: var(--color-text-muted-on-dark);
  font-size: 0.875rem;
}

.footer__links a:hover {
  color: var(--color-text-on-dark);
}

.footer__copy {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* List with check / bullet */
.list--ticks {
  list-style: none;
  margin: 0;
  padding: 0;
}

.list--ticks li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.list--ticks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cta);
  opacity: 0.9;
}

.section--dark .list--ticks li::before {
  background: var(--gradient-end);
}

/* Grid of capability / feature pills */
.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pill {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  background: rgba(62, 123, 250, 0.12);
  color: var(--color-text-primary);
}

.section--dark .pill {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-on-dark);
}