/**
 * UI components — header, footer, buttons, forms, cookie banner
 */

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(248, 244, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-hairline);
  transition: box-shadow var(--motion-duration-base) var(--motion-easing-standard);
}

.site-header.is-header-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 72px;
  padding-block: var(--space-sm);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-on-background);
}

.site-brand__wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.site-brand__tagline {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.primary-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav a {
  font-size: var(--text-body-sm);
  color: var(--color-on-background);
  text-decoration: none;
  font-weight: var(--weight-regular);
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav .current-menu-item > a {
  color: var(--color-secondary);
  font-weight: var(--weight-semibold);
}

.header-cta {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 1024px) {
  .header-cta {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 14px 28px;
  border: 0;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-label-md);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.2;
  cursor: pointer;
  transition:
    background-color var(--motion-duration-base) var(--motion-easing-standard),
    color var(--motion-duration-base) var(--motion-easing-standard),
    box-shadow var(--motion-duration-base) var(--motion-easing-standard),
    transform var(--motion-duration-base) var(--motion-easing-emphasis),
    border-color var(--motion-duration-base) var(--motion-easing-standard);
}

.btn:focus-visible {
  outline: var(--border-focus);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: var(--border-strong);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--color-surface-container);
  color: var(--color-primary);
}

.btn--accent {
  background: var(--color-secondary);
  color: var(--color-on-secondary);
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background: var(--color-secondary-hover);
  color: var(--color-on-secondary);
}

.btn--ghost {
  background: transparent;
  color: var(--color-secondary);
  border: var(--border-hairline);
}

/* Cards */
.card {
  background: var(--color-surface-lowest);
  border: var(--border-hairline);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}

.card--lift {
  transition:
    transform var(--motion-duration-base) var(--motion-easing-emphasis),
    box-shadow var(--motion-duration-base) var(--motion-easing-standard);
}

.card--lift:hover {
  transform: translateY(var(--motion-hover-lift));
  box-shadow: var(--shadow-card-hover);
}

/* Forms */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.form-field label {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-on-background);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  background: var(--color-surface-lowest);
  font: inherit;
  color: var(--color-on-background);
  transition: border-color var(--motion-duration-fast) var(--motion-easing-standard);
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.15);
}

.form-field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-body-sm);
}

.form-consent input {
  margin-top: 0.25rem;
  width: auto;
}

.form-notice {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-body-sm);
}

.form-notice--info {
  background: var(--color-surface-container);
  color: var(--color-on-background);
}

/* Footer */
.site-footer {
  background: var(--color-surface-lowest);
  border-top: var(--border-hairline);
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-xl);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.footer-col__title {
  margin-bottom: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-label-md);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.footer-menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-menu li + li {
  margin-top: 0.5rem;
}

.footer-menu a {
  color: var(--color-on-background);
  text-decoration: none;
  font-size: var(--text-body-sm);
}

.footer-menu a:hover,
.footer-menu a:focus-visible {
  color: var(--color-secondary);
}

.footer-contacts {
  display: grid;
  gap: 0.5rem;
  font-size: var(--text-body-sm);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-md);
  border-top: var(--border-hairline);
  font-size: var(--text-body-sm);
  color: var(--color-muted);
}

.footer-legal-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal-menu a {
  color: var(--color-muted);
  text-decoration: none;
}

.footer-legal-menu a:hover,
.footer-legal-menu a:focus-visible {
  color: var(--color-secondary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  background: var(--color-surface-lowest);
  cursor: pointer;
}

.nav-toggle__label {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
}

.mobile-nav-panel {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  z-index: var(--z-mobile-nav);
  padding: var(--space-md);
  background: var(--color-surface-lowest);
  overflow-y: auto;
}

.mobile-nav-panel.is-open {
  display: block;
}

.mobile-nav-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-nav-panel li + li {
  margin-top: var(--space-sm);
}

.mobile-nav-panel a {
  display: block;
  padding: 0.75rem 0;
  font-size: var(--text-body-lg);
  color: var(--color-on-background);
  text-decoration: none;
}

/* Sticky mobile CTA */
.mobile-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-sticky-cta);
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem var(--space-gutter);
  background: rgba(255, 255, 255, 0.96);
  border-top: var(--border-hairline);
  box-shadow: var(--shadow-sticky-cta);
}

@media (min-width: 1024px) {
  .mobile-sticky-cta {
    display: none;
  }
}

.mobile-sticky-cta .btn {
  flex: 1;
  min-height: 44px;
  padding-inline: 1rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: var(--space-gutter);
  right: var(--space-gutter);
  bottom: var(--space-gutter);
  z-index: var(--z-cookie-banner);
  display: none;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--color-surface-lowest);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.cookie-banner.is-visible {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .cookie-banner.is-visible {
    flex-direction: row;
    max-width: 960px;
    margin-inline: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: calc(100% - 2 * var(--space-gutter));
  }
}

.cookie-banner__text {
  margin: 0;
  font-size: var(--text-body-sm);
  color: var(--color-on-background);
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Section transitions — AURA_SECTION_TRANSITIONS.json */
.section-transition--gradient-fade {
  background: var(--gradient-hero);
  position: relative;
}

/* hero → directions: плавный выход градиента в solid milk */
.hero + .section-transition--gradient-fade,
.hero + .section.section-transition--gradient-fade {
  margin-top: 0;
  background: linear-gradient(180deg, #e8ddd4 0%, var(--color-surface-lowest) 28%);
}

.section-transition--background-shift {
  background-color: var(--color-surface-container);
  transition: background-color var(--motion-duration-slow) var(--motion-easing-standard);
}

.section-transition--wave {
  min-height: 48px;
  display: block;
  overflow: hidden;
}

.section-transition--border-top {
  border-top: var(--border-subtle);
  padding-top: calc(var(--space-section-y) + var(--space-sm));
}

/* inner page hero → content */
.page-hero.section-transition--gradient-fade + .section,
.page-hero.section-transition--gradient-fade + article {
  background: linear-gradient(180deg, #f0ebe6 0%, var(--color-surface-lowest) 18%);
}

/* faq → contacts blob accent усилен в pages.css */
.section-transition--blob-accent {
  isolation: isolate;
}

/* Image hover */
.img--hover-scale {
  overflow: hidden;
  border-radius: var(--radius-image);
}

.img--hover-scale img {
  transition: transform var(--motion-duration-slow) var(--motion-easing-emphasis);
}

.img--hover-scale:hover img {
  transform: scale(var(--motion-hover-scale-image));
}

/* Legal page stub */
.legal-page__content {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-block: var(--space-section-y);
}

.legal-page__notice {
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-surface-container);
  font-size: var(--text-body-sm);
}