/* fnrx-layout.css — Base reset, layout primitives, nav, footer */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fnrx-font-body);
  font-size: var(--fnrx-body);
  font-weight: 400;
  line-height: 1.6;
  background: var(--fnrx-light-bg);
  color: var(--fnrx-text-light-primary);
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }

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

/* ── Container ────────────────────────────────────────────── */
.fnrx-container {
  width: 100%;
  max-width: var(--fnrx-container);
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* ── Section backgrounds ──────────────────────────────────── */
.fnrx-section--dark {
  background: var(--fnrx-dark-bg);
  color: var(--fnrx-text-dark-primary);
}
.fnrx-section--dark-alt {
  background: var(--fnrx-dark-alt-bg);
  color: var(--fnrx-text-dark-primary);
}
.fnrx-section--light {
  background: var(--fnrx-light-bg);
  color: var(--fnrx-text-light-primary);
}
.fnrx-section--white {
  background: var(--fnrx-white);
  color: var(--fnrx-text-light-primary);
}

/* ── Nav ──────────────────────────────────────────────────── */
.fnrx-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--fnrx-nav-h);
  display: flex;
  align-items: center;
  transition: background var(--fnrx-transition), box-shadow var(--fnrx-transition);
}

/* Dark-top pages: nav transparent initially */
body.fnrx-page--dark-top .fnrx-nav {
  background: transparent;
  color: var(--fnrx-text-dark-primary);
}
body.fnrx-page--dark-top .fnrx-nav.fnrx-nav--scrolled {
  background: var(--fnrx-dark-alt-bg);
  box-shadow: 0 1px 0 var(--fnrx-dark-border);
  color: var(--fnrx-text-dark-primary);
}

/* Light-top pages: nav white initially (sticky) */
body.fnrx-page--light-top .fnrx-nav {
  background: var(--fnrx-white);
  color: var(--fnrx-text-light-primary);
  box-shadow: 0 1px 0 var(--fnrx-light-alt-bg);
}
body.fnrx-page--light-top .fnrx-nav.fnrx-nav--scrolled {
  background: var(--fnrx-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  color: var(--fnrx-text-light-primary);
}

.fnrx-nav__inner {
  width: 100%;
  max-width: var(--fnrx-container);
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: var(--fnrx-space-xl);
}

.fnrx-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.fnrx-nav__logo img {
  height: 36px;
  width: auto;
  display: block;
}

.fnrx-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--fnrx-space-lg);
  list-style: none;
  flex: 1;
}

/* Nav link colors for dark-top nav */
body.fnrx-page--dark-top .fnrx-nav .fnrx-nav__link {
  color: var(--fnrx-text-dark-secondary);
  font-size: var(--fnrx-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--fnrx-transition);
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--fnrx-font-body);
}
body.fnrx-page--dark-top .fnrx-nav .fnrx-nav__link:hover {
  color: var(--fnrx-text-dark-primary);
}
body.fnrx-page--dark-top .fnrx-nav .fnrx-nav__link--active {
  color: var(--fnrx-amber);
}

/* Nav link colors for light-top nav */
body.fnrx-page--light-top .fnrx-nav .fnrx-nav__link {
  color: var(--fnrx-text-light-secondary);
  font-size: var(--fnrx-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--fnrx-transition);
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--fnrx-font-body);
}
body.fnrx-page--light-top .fnrx-nav .fnrx-nav__link:hover {
  color: var(--fnrx-text-light-primary);
}
body.fnrx-page--light-top .fnrx-nav .fnrx-nav__link--active {
  color: var(--fnrx-amber-on-light);
}

/* Dropdown */
.fnrx-nav__item {
  position: relative;
}

.fnrx-nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--fnrx-dark-surface);
  border: 1px solid var(--fnrx-dark-border);
  border-radius: var(--fnrx-radius-md);
  padding: var(--fnrx-space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--fnrx-transition), transform var(--fnrx-transition), visibility var(--fnrx-transition);
  z-index: 100;
}

.fnrx-nav__item:hover .fnrx-nav__dropdown,
.fnrx-nav__item--open .fnrx-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fnrx-nav__dropdown-link {
  display: block;
  padding: 9px 16px;
  font-size: var(--fnrx-caption);
  color: var(--fnrx-text-dark-secondary);
  transition: color var(--fnrx-transition), background var(--fnrx-transition);
  white-space: nowrap;
}

.fnrx-nav__dropdown-link:hover {
  color: var(--fnrx-text-dark-primary);
  background: rgba(255,255,255,0.04);
}

/* Light-top dropdown stays the same dark surface */
body.fnrx-page--light-top .fnrx-nav__dropdown {
  background: var(--fnrx-dark-surface);
  border-color: var(--fnrx-dark-border);
}
body.fnrx-page--light-top .fnrx-nav__dropdown-link {
  color: var(--fnrx-text-dark-secondary);
}
body.fnrx-page--light-top .fnrx-nav__dropdown-link:hover {
  color: var(--fnrx-text-dark-primary);
}

/* Nav CTAs */
.fnrx-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--fnrx-space-sm);
  margin-left: auto;
}

/* Hamburger */
.fnrx-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.fnrx-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  transition: all var(--fnrx-transition);
}
body.fnrx-page--dark-top .fnrx-nav__hamburger span { background: var(--fnrx-text-dark-primary); }
body.fnrx-page--light-top .fnrx-nav__hamburger span { background: var(--fnrx-text-light-primary); }

/* Mobile menu */
@media (max-width: 1023px) {
  .fnrx-nav__menu { display: none; }
  .fnrx-nav__actions { display: none; }
  .fnrx-nav__hamburger { display: flex; }

  .fnrx-nav__menu--open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: var(--fnrx-nav-h);
    left: 0; right: 0;
    background: var(--fnrx-dark-alt-bg);
    padding: var(--fnrx-space-md);
    border-top: 1px solid var(--fnrx-dark-border);
    gap: 4px;
  }

  body.fnrx-page--light-top .fnrx-nav__menu--open {
    background: var(--fnrx-white);
    border-top-color: var(--fnrx-light-alt-bg);
  }

  .fnrx-nav__menu--open .fnrx-nav__link {
    color: var(--fnrx-text-dark-secondary) !important;
    padding: 10px 8px;
  }

  body.fnrx-page--light-top .fnrx-nav__menu--open .fnrx-nav__link {
    color: var(--fnrx-text-light-secondary) !important;
  }

  .fnrx-nav__menu--open .fnrx-nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    background: none;
    padding: 0 0 0 12px;
    min-width: auto;
  }
  .fnrx-nav__menu--open .fnrx-nav__dropdown-link {
    padding: 6px 8px;
    font-size: var(--fnrx-caption);
    color: var(--fnrx-text-dark-muted);
  }
  body.fnrx-page--light-top .fnrx-nav__menu--open .fnrx-nav__dropdown-link {
    color: var(--fnrx-text-light-muted);
  }

  .fnrx-nav__menu--open .fnrx-nav__actions-mobile {
    display: flex;
    gap: var(--fnrx-space-sm);
    padding: var(--fnrx-space-md) 8px 0;
    border-top: 1px solid var(--fnrx-dark-border);
    width: 100%;
  }
}

/* ── Footer ───────────────────────────────────────────────── */
.fnrx-footer {
  background: var(--fnrx-dark-alt-bg);
  color: var(--fnrx-text-dark-secondary);
  padding: var(--fnrx-space-3xl) 0 0;
}

.fnrx-footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--fnrx-space-2xl) var(--fnrx-space-xl);
  padding-bottom: var(--fnrx-space-2xl);
}

@media (max-width: 1023px) {
  .fnrx-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .fnrx-footer__grid {
    grid-template-columns: 1fr;
  }
}

.fnrx-footer__brand-col .fnrx-footer__logo {
  height: 36px;
  width: auto;
  margin-bottom: var(--fnrx-space-md);
}

.fnrx-footer__tagline {
  font-size: var(--fnrx-caption);
  color: var(--fnrx-text-dark-muted);
  line-height: 1.7;
  max-width: 260px;
}

.fnrx-footer__col-heading {
  font-size: var(--fnrx-caption);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fnrx-text-dark-primary);
  margin-bottom: var(--fnrx-space-md);
}

.fnrx-footer__col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fnrx-footer__col-links a {
  font-size: var(--fnrx-caption);
  color: var(--fnrx-text-dark-muted);
  transition: color var(--fnrx-transition);
}

.fnrx-footer__col-links a:hover {
  color: var(--fnrx-text-dark-primary);
}

.fnrx-footer__bottom {
  border-top: 1px solid var(--fnrx-dark-border);
  padding: var(--fnrx-space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--fnrx-space-sm);
}

.fnrx-footer__bottom p,
.fnrx-footer__bottom address {
  font-size: var(--fnrx-caption);
  color: var(--fnrx-text-dark-muted);
  font-style: normal;
}

.fnrx-footer__bottom a {
  color: var(--fnrx-text-dark-muted);
  transition: color var(--fnrx-transition);
}
.fnrx-footer__bottom a:hover {
  color: var(--fnrx-text-dark-primary);
}

.fnrx-footer__bottom-right {
  display: flex;
  gap: var(--fnrx-space-lg);
  align-items: center;
}

/* ── Section padding ──────────────────────────────────────── */
.fnrx-section {
  padding-block: var(--fnrx-space-3xl);
}
.fnrx-section--compact {
  padding-block: var(--fnrx-space-2xl);
}
.fnrx-section--hero {
  padding-top: calc(var(--fnrx-nav-h) + var(--fnrx-space-3xl));
  padding-bottom: var(--fnrx-space-3xl);
}
.fnrx-section--hero-index {
  padding-top: calc(var(--fnrx-nav-h) + 72px);
  padding-bottom: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

/* ── Fade-in animation ────────────────────────────────────── */
.fnrx-fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fnrx-fade-in.fnrx-visible {
  opacity: 1;
  transform: translateY(0);
}