/**
 * Layout Styles for activAmed Website
 * Site structure: header, navigation, main content, footer
 */

/* ==========================================
   SITE HEADER
   ========================================== */

.site-header {
  background-color: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
  transition: padding 0.25s ease-out, margin-top 0.25s ease-out;
  will-change: margin-top, padding;
}

@media (min-width: 768px) {
  .site-header {
    padding: var(--spacing-md) 0;
  }
}

.site-header--scrolled {
  padding: var(--spacing-xs) 0;
}

.site-header__container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap 0.25s ease-out;
}

.site-header__top {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--spacing-xs);
  text-align: left;
  flex: 1;
  transition: gap 0.25s ease-out;
}

.main-nav {
  margin-left: auto;
}

@media (min-width: 768px) {
  .site-header__container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .site-header__top {
    justify-content: space-between;
    gap: var(--spacing-sm);
  }

  .main-nav {
    margin-left: 0;
  }
}

.site-header--scrolled .site-header__top {
  gap: 0;
}

.site-header__branding {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  transition: gap 0.5s ease-in-out;
  position: relative;
}

@media (min-width: 768px) {
  .site-header__branding {
    gap: var(--spacing-xl);
  }
}

.site-header--scrolled .site-header__branding {
  gap: 0;
}

.site-header__logo {
  max-width: 70px;
  height: auto;
}

@media (min-width: 768px) {
  .site-header__logo {
    max-width: 100px;
  }
}

/* Default logo: when returning to top, fade in quickly after scrolled logo fades out */
.site-header__logo--default {
  transition: opacity 0.2s ease-in-out 0.1s, visibility 0.2s ease-in-out 0.1s, transform 0.2s ease-in-out 0.1s;
}

/* Scrolled logo: when returning to top, fade out quickly */
.site-header__logo--scrolled {
  max-width: 150px;
  height: auto;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  transition: opacity 0.1s ease-out, visibility 0.1s ease-out;
}

/* When scrolled: default fades out immediately, scrolled fades in after delay */
.site-header--scrolled .site-header__logo--default {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  transform: scale(0.4);
  transition: opacity 0.08s ease-out, visibility 0.08s ease-out, transform 0.06s ease-in;
}

.site-header--scrolled .site-header__logo--scrolled {
  opacity: 1;
  visibility: visible;
  position: static;
  transition: opacity 0.2s ease-in-out 0.1s, visibility 0.2s ease-in-out 0.1s;
}

/* When scrolled: hide tagline and contact to reduce header height.
   Accessibility note: contact info (phone, hours) remains accessible in the footer
   on every page, so screen reader users can still find it. */
.site-header--scrolled .site-header__tagline {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  pointer-events: none;
  transform: scale(0.8);
}

.site-header--scrolled .site-header__contact {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  pointer-events: none;
  transform: scale(0.8);
}

/* When scrolled: remove nav border on all screen sizes */
.site-header--scrolled .main-nav {
  border-color: transparent;
  padding-top: 0;
}

/* When scrolled: compact nav link padding (min-height: 48px still ensures touch targets) */
.site-header--scrolled .main-nav__link {
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* Mobile: nav dropdown overlay when burger is open */
@media (max-width: 767px) {
  .main-nav--open .main-nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-header-bg);
    z-index: 1;
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
  }

  .site-header--scrolled .site-header__logo--default {
    transition: opacity 0.08s ease-out, visibility 0.08s ease-out, transform 0.08s ease-out;
  }
}

/* Tablet/Desktop scrolled: single-row layout with logo left, nav right */
@media (min-width: 768px) {
  .site-header--scrolled .site-header__container {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
  }

  .site-header--scrolled .site-header__top {
    flex-shrink: 0;
  }

  .site-header--scrolled .main-nav {
    margin-left: auto;
  }
}

.site-header__tagline {
  font-size: 1.1rem;
  color: var(--color-header-text-muted);
  font-style: italic;
  margin: 0;
  display: none;
  transition: opacity 0.08s ease-out, visibility 0.08s ease-out, transform 0.08s ease-out;
}

.site-header__contact {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-size: 0.85rem;
  text-align: left;
  transition: opacity 0.03s ease-out, visibility 0.03s ease-out, transform 0.03s ease-out;
}

@media (min-width: 768px) {
  .site-header__tagline {
    display: block;
  }

  .site-header__contact {
    gap: var(--spacing-xs);
    font-size: 0.9rem;
  }
}

.site-header__contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-header-text);
  text-decoration: none;
}

@media (min-width: 1280px) {
  .site-header__contact-item {
    white-space: nowrap;
  }
}

.site-header__contact-item i {
  color: var(--color-header-icon);
}

@media (min-width: 768px) {
  .site-header__branding {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .site-header__logo {
    max-width: 150px;
  }
}

/* Tablet/Desktop: place tagline above contact (both to the right of the
   logo) so the header row doesn't feel cramped with everything inline.
   Uses `display: contents` on branding to lift the logo and tagline into
   the same grid as the contact block. */
@media (min-width: 768px) {
  .site-header:not(.site-header--scrolled) .site-header__top {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: var(--spacing-lg);
    row-gap: var(--spacing-xs);
    align-items: center;
  }

  .site-header:not(.site-header--scrolled) .site-header__branding {
    display: contents;
  }

  .site-header:not(.site-header--scrolled) .site-header__logo--default,
  .site-header:not(.site-header--scrolled) .site-header__logo--scrolled {
    grid-column: 1;
    grid-row: 1 / span 2;
    justify-self: start;
  }

  .site-header:not(.site-header--scrolled) .site-header__tagline {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
  }

  .site-header:not(.site-header--scrolled) .site-header__contact {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
  }
}

@media (min-width: 1280px) {
  .site-header__contact {
    flex-direction: row;
    gap: var(--spacing-lg);
  }

  .site-header:not(.site-header--scrolled) .site-header__top {
    column-gap: var(--spacing-xl);
  }
}

/* ==========================================
   MAIN NAVIGATION
   ========================================== */

.main-nav {
  border-top: none;
  padding-top: 0;
  transition: padding 0.4s ease-in-out;
}

@media (min-width: 768px) {
  .main-nav {
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--spacing-md);
  }
}

/* ==========================================
   BURGER MENU TOGGLE (Mobile only)
   ========================================== */

.main-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 0;
  padding: 0;
  background: transparent;
  border: 2px solid var(--color-header-text);
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast);
}

.main-nav__toggle:hover,
.main-nav__toggle:focus-visible {
  background-color: rgba(0, 0, 0, 0.1);
}

.main-nav__toggle:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* Hamburger icon using CSS (3 lines -> X animation) */
.main-nav__toggle-icon,
.main-nav__toggle-icon::before,
.main-nav__toggle-icon::after {
  display: block;
  width: 22px;
  height: 3px;
  background-color: var(--color-header-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.main-nav__toggle-icon {
  position: relative;
}

.main-nav__toggle-icon::before,
.main-nav__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.main-nav__toggle-icon::before {
  top: -7px;
}

.main-nav__toggle-icon::after {
  top: 7px;
}

/* Animate to X when open */
.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-icon {
  background-color: transparent;
}

.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile: nav list hidden by default, shown when burger is toggled */
.main-nav__list {
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Show nav list when menu is open (mobile) */
.main-nav--open .main-nav__list {
  display: flex;
}

.main-nav__item {
  margin: 0;
}

.main-nav__link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-header-text);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  /* Large touch target */
  min-height: 48px;
  display: flex;
  align-items: center;
}

.main-nav__link:hover,
.main-nav__link:focus {
  background-color: rgba(0, 0, 0, 0.1);
  color: var(--color-header-text);
}

.main-nav__link--active {
  background-color: var(--color-nav-active-bg);
  color: var(--color-nav-active-text);
}

.main-nav__link--active:hover,
.main-nav__link--active:focus {
  background-color: var(--color-primary-hover);
  color: var(--color-nav-active-text);
}

@media (min-width: 768px) {
  .main-nav__toggle {
    display: none;
  }

  .main-nav__list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }
}

@media (min-width: 1024px) {
  .main-nav__list {
    gap: var(--spacing-md);
  }
}

/* ==========================================
   NAVIGATION DROPDOWN (Sub-menu)
   ========================================== */

.main-nav__item--has-dropdown {
  position: relative;
}

/* Dropdown list - on mobile, shown inline indented */
.main-nav__dropdown {
  list-style: none;
  padding: 0;
  margin: 0;
  margin-top: var(--spacing-xs);
  padding-left: var(--spacing-lg);
}

.main-nav__dropdown-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-header-text);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 48px;
}

.main-nav__dropdown-link:hover,
.main-nav__dropdown-link:focus {
  background-color: rgba(0, 0, 0, 0.1);
  color: var(--color-header-text);
}

.main-nav__dropdown-link--active {
  background-color: var(--color-nav-active-bg);
  color: var(--color-nav-active-text);
}

.main-nav__dropdown-link--active:hover,
.main-nav__dropdown-link--active:focus {
  background-color: var(--color-primary-hover);
  color: var(--color-nav-active-text);
}

/* Desktop: dropdown appears on hover/focus below the parent item */
@media (min-width: 768px) {
  .main-nav__dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0;
    padding: var(--spacing-xs);
    background-color: var(--color-header-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    z-index: 10;
  }

  /* Invisible bridge between link and dropdown to prevent hover gap */
  .main-nav__item--has-dropdown::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 4px;
    display: none;
  }

  .main-nav__item--has-dropdown:hover::after {
    display: block;
  }

  .main-nav__item--has-dropdown:hover > .main-nav__dropdown,
  .main-nav__item--has-dropdown:focus-within > .main-nav__dropdown,
  .main-nav__item--has-dropdown.main-nav__item--open > .main-nav__dropdown {
    display: block;
  }

  .main-nav__dropdown-link {
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
  }

  .main-nav__dropdown li:last-child {
    margin-bottom: 0;
  }
}

/* Scrolled header: compact dropdown padding */
.site-header--scrolled .main-nav__dropdown-link {
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* ==========================================
   BREADCRUMB NAVIGATION
   ========================================== */

.breadcrumb {
  padding: var(--spacing-md) 0;
  background-color: var(--color-background-alt);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin: 0;
}

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: var(--color-text-muted);
}

.breadcrumb__link {
  color: var(--color-link);
  text-decoration: none;
}

.breadcrumb__link:hover {
  text-decoration: underline;
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: 500;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */

.main-content {
  min-height: 60vh;
  padding: var(--spacing-xl) 0;
}

/* ==========================================
   SITE FOOTER
   ========================================== */

.site-footer {
  background-color: var(--color-footer-bg);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.site-footer a {
  color: white;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
  text-decoration: underline;
  color: var(--color-accent);
}

.site-footer__content {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.site-footer__section {

}

.site-footer__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__list-item {
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.site-footer__list-item i {
  margin-top: 4px;
  color: var(--color-accent);
}

.site-footer__hours-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-xs) var(--spacing-md);
  font-size: 0.95rem;
}

.site-footer__map {
  width: 100%;
  height: 250px;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
  font-size: 0.9rem;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__legal-item {
  margin: 0;
}

@media (min-width: 768px) {
  .site-footer__content {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1280px) {
  .site-footer__content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  position: relative;
  padding: var(--spacing-3xl) 0;
  color: white;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--hero-gradient-start) 0%, var(--hero-gradient-end) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--hero-text-color);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  color: var(--hero-text-color);
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-3xl) 0 4rem;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .hero__subtitle {
    font-size: 1.5rem;
  }

  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }
}

/* ==========================================
   PAGE HEADER
   ========================================== */

.page-header {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  text-align: center;
  background-color: var(--color-background-alt);
  margin-bottom: var(--spacing-2xl);
}

.page-header__title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-heading);
}

.page-header__description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .page-header__title {
    font-size: 3rem;
  }
}