/* ==========================================================================
   Code Foresight — Custom CSS
   Only rules Tailwind utility classes cannot express:
   - Scroll reveal (opacity + transform toggled by JS class)
   - Sticky nav backdrop-filter (needs rgba + vendor prefix combo)
   - Nav underline animation (pseudo-element width transition)
   - Hero SVG underline positioning
   ========================================================================== */

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms cubic-bezier(.4,0,.2,1),
              transform 650ms cubic-bezier(.4,0,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html    { scroll-behavior: auto; }
}

/* ---- Nav backdrop blur ---- */
#site-header {
  background: rgba(250, 250, 248, 0.93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---- Header logo ---- */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}
.site-logo__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 0.6875rem;
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.07);
}
.site-logo__icon {
  display: block;
  width: 2.15rem;
  height: 2.15rem;
  object-fit: contain;
}
.site-logo__text {
  color: #202124;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  line-height: 1;
  white-space: nowrap;
}
.site-logo--footer .site-logo__badge {
  width: 2.625rem;
  height: 2.625rem;
  border-radius: 0.5625rem;
}
.site-logo--footer .site-logo__icon {
  width: 1.7rem;
  height: 1.7rem;
}
.site-logo--footer .site-logo__text {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}
@media (max-width: 640px) {
  .site-logo {
    gap: 0.625rem;
  }
  .site-logo__badge {
    width: 2.625rem;
    height: 2.625rem;
    border-radius: 0.5625rem;
  }
  .site-logo__icon {
    width: 1.7rem;
    height: 1.7rem;
  }
  .site-logo__text {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
  }
}
@media (max-width: 420px) {
  .site-logo__text {
    letter-spacing: 0.06em;
  }
}

/* ---- Section badge ---- */
.section-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid rgba(239, 159, 39, 0.25);
  border-radius: 999px;
  background: rgba(239, 159, 39, 0.1);
  color: #D98A14;
  padding: 0.25rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}
.section-badge--dark {
  color: #EF9F27;
  border-color: rgba(239, 159, 39, 0.3);
  background: rgba(239, 159, 39, 0.12);
}

/* ---- Nav link underline sweep ---- */
.nav-link {
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 0; height: 1.5px;
  background: #EF9F27;
  transition: width 200ms cubic-bezier(.4,0,.2,1);
}
.nav-link:hover::after { width: 100%; }

/* Active page: persistent underline + darker label */
.nav-link.is-active {
  color: #111111;
}
.nav-link.is-active::after { width: 100%; }

/* ---- Hero SVG underline ---- */
.underline-amber {
  position: relative;
  white-space: nowrap;
}
.underline-amber svg {
  position: absolute;
  left: 0; bottom: -0.1em;
  width: 100%; height: 0.35em;
  z-index: -1;
  overflow: visible;
}

/* ---- Soft amber radial glow (CTA panels) ----
   Replaces a repeated inline radial-gradient; pair with a relative,
   overflow-hidden parent and keep inner content at z-10. */
.cta-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(55% 80% at 50% 0%, rgba(239, 159, 39, 0.16), transparent 60%);
}

/* ---- FAQ accordion (native <details>) ----
   State + marker styling Tailwind cannot express; toggling is browser-native. */
.faq-item summary {
  list-style: none;
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-chevron {
  transition: transform 200ms cubic-bezier(.4, 0, .2, 1);
}
.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}