/* ==========================================================================
   SHARED COMPONENT STYLES — site nav + footer
   Extracted from the former in-body <style> blocks so every page can link one
   stylesheet instead of duplicating the CSS. Loaded AFTER globals/styles.css.
   ========================================================================== */

/* ---- Nav shell ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-base) var(--easing-default);
}

.nav.is-scrolled {
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: var(--nav-height);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: 1.1;
  flex-shrink: 0;
}

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

.nav__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.nav__brand-text {
  display: flex;
  flex-direction: column;
  font-size: var(--text-lg);
}

.nav__brand-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  position: relative;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  padding: var(--space-2) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--duration-base) var(--easing-default);
}

.nav__link:hover {
  color: var(--color-primary-dark);
}

.nav__link:hover::after {
  width: 100%;
}

body[data-page='home'] .nav__link[data-page='home'],
body[data-page='about'] .nav__link[data-page='about'],
body[data-page='services'] .nav__link[data-page='services'],
body[data-page='pricing'] .nav__link[data-page='pricing'],
body[data-page='faq'] .nav__link[data-page='faq'],
body[data-page='contact'] .nav__link[data-page='contact'],
.nav__link.is-active {
  color: var(--color-primary-dark);
  font-weight: var(--weight-bold);
}

body[data-page='home'] .nav__link[data-page='home']::after,
body[data-page='about'] .nav__link[data-page='about']::after,
body[data-page='services'] .nav__link[data-page='services']::after,
body[data-page='pricing'] .nav__link[data-page='pricing']::after,
body[data-page='faq'] .nav__link[data-page='faq']::after,
body[data-page='contact'] .nav__link[data-page='contact']::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

.nav__phone:hover {
  color: var(--color-primary-dark);
}

.nav__phone-icon {
  color: var(--color-primary);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-md);
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--duration-base) var(--easing-default),
    opacity var(--duration-fast) var(--easing-default);
}

.nav__toggle[aria-expanded='true'] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded='true'] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded='true'] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__backdrop {
  display: none;
}

@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-6);
    padding: var(--space-6) var(--section-pad-x) var(--space-10);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--duration-base) var(--easing-default),
      opacity var(--duration-base) var(--easing-default),
      visibility var(--duration-base) var(--easing-default);
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__links {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .nav__link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .nav__link::after {
    display: none;
  }

  .nav__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
  }

  .nav__phone {
    justify-content: center;
    font-size: var(--text-base);
    padding: var(--space-2);
  }

  .nav__cta {
    width: 100%;
  }

  .nav__backdrop {
    display: block;
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    z-index: -1;
    background-color: rgba(18, 36, 59, 0.4);
    opacity: 0;
    transition: opacity var(--duration-base) var(--easing-default);
  }

  .nav__backdrop.is-open {
    opacity: 1;
  }
}

/* ---- Footer ---- */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.4fr 1fr;
  gap: var(--space-12);
  padding-block: var(--space-20) var(--space-12);
}

.footer__brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
}

.footer__brand-link:hover {
  color: #fff;
}

.footer__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: #fff;
}

.footer__description {
  margin-top: var(--space-4);
  max-width: 38ch;
  color: var(--footer-text);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: var(--space-5);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__list--plain {
  color: var(--footer-text);
  font-size: var(--text-sm);
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--footer-text);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.footer__link:hover {
  color: var(--footer-link);
}

.footer__icon {
  flex-shrink: 0;
  color: var(--footer-link);
}

.footer__email {
  word-break: break-word;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-block: var(--space-6);
}

.footer__copyright,
.footer__fineprint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-block: var(--space-16) var(--space-10);
  }

  .footer__bottom-inner {
    justify-content: center;
    text-align: center;
  }
}