/* =============================================================
 * Components — primitives composed from tokens.
 * Each component is shape + states. Section-level layouts
 * live in sections.css (step 4).
 * ============================================================= */

/* -----------------------------------------------------------
 * Buttons — primary, secondary, ghost. Pill radius. Editorial.
 * --------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--type-base);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-normal);
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--duration-fast) var(--easing-standard),
    border-color     var(--duration-fast) var(--easing-standard),
    color            var(--duration-fast) var(--easing-standard),
    transform        var(--duration-fast) var(--easing-standard),
    box-shadow       var(--duration-fast) var(--easing-standard);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn:active { transform: translateY(1px); }

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — navy ink default, terracotta on hover.
 * Hover text flips to navy: cream-on-terracotta is sub-AA contrast (~3:1).
 * Navy-on-terracotta clears AA (~5.5:1). See DECISIONS for the rule. */
.btn--primary {
  background: var(--color-ink-strong);
  color: var(--color-ink-on-dark);
  border-color: var(--color-ink-strong);
}
.btn--primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-ink-strong);
}

/* Accent — terracotta default. Text is navy ink, never cream — same
 * contrast rule. Hover deepens the bg for a clearer affordance. */
.btn--accent {
  background: var(--color-accent);
  color: var(--color-ink-strong);
  border-color: var(--color-accent);
}
.btn--accent:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  color: var(--color-ink-on-dark);
}

/* Secondary — outlined */
.btn--secondary {
  background: transparent;
  color: var(--color-ink-strong);
  border-color: var(--color-ink-strong);
}
.btn--secondary:hover {
  background: var(--color-ink-strong);
  color: var(--color-ink-on-dark);
}

/* Ghost — minimal */
.btn--ghost {
  background: transparent;
  color: var(--color-ink-strong);
  border-color: transparent;
  padding-inline: var(--space-4);
}
.btn--ghost:hover {
  background: var(--color-surface-sunken);
}

/* Sizes */
.btn--sm { min-height: 36px; padding: var(--space-2) var(--space-4); font-size: var(--type-sm); }
.btn--lg { min-height: 56px; padding: var(--space-4) var(--space-7); font-size: var(--type-md); }

/* On-media — for buttons that sit over photographs (hero, etc.). Adds a
 * semi-transparent dark fill + backdrop blur + stronger border so the
 * button reads against any photo regardless of mid-tones. */
.btn--on-media {
  background: rgba(11, 26, 46, 0.42);
  border-color: rgba(244, 239, 231, 0.85);
  color: var(--color-ink-on-dark);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
}
.btn--on-media:hover {
  background: rgba(11, 26, 46, 0.62);
  border-color: var(--color-ink-on-dark);
  color: var(--color-ink-on-dark);
}

/* On dark backgrounds */
.section--dark .btn--secondary {
  color: var(--color-ink-on-dark);
  border-color: var(--color-ink-on-dark);
}
.section--dark .btn--secondary:hover {
  background: var(--color-ink-on-dark);
  color: var(--color-ink-strong);
}

/* -----------------------------------------------------------
 * Nav
 * --------------------------------------------------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(244, 239, 231, 0.92);
  border-bottom: 1px solid var(--color-line-soft);
}
/* backdrop-filter creates a containing block for position:fixed descendants,
 * which would trap the mobile drawer inside the nav bar. Scope it to desktop
 * where the drawer is never rendered as fixed. */
@media (min-width: 769px) {
  .site-nav {
    background: rgba(244, 239, 231, 0.85);
    backdrop-filter: saturate(140%) blur(16px);
    -webkit-backdrop-filter: saturate(140%) blur(16px);
  }
}
/* Three-column grid: brand | list (centered) | actions.
 * Future-proofs against long-locale string variance — list stays
 * centered regardless of how wide DE/UK nav links get; brand and
 * actions stay anchored to their edges. */
.site-nav__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-5);
  min-height: 64px;
  padding-block: var(--space-3);
}
.site-nav__list {
  justify-self: center;
}
.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--type-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
  text-decoration: none;
}
/* Brand mark — currently a transparent PNG logo (Phase 3).
 * Lives in /assets/images/logos/, rendered at 40×40 in nav with retina srcset.
 * Footer override in sections.css renders larger.
 * If the slot ever holds an empty <span> (legacy / fallback), it collapses. */
.site-nav__brand-mark {
  width: 80px; height: 80px;
  flex-shrink: 0;
  object-fit: contain;
  /* Subtle navy-tinted shadow — gives edge definition against the cream nav bg
   * where the logo's cream elements blend in. Invisible on the dark navy footer
   * (navy-on-navy = no-op). See DECISIONS for the per-surface logo strategy. */
  filter: drop-shadow(0 1px 2px rgba(15, 35, 64, 0.12));
}
.site-nav__brand-mark:empty { display: none; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-nav__link {
  font-size: var(--type-sm);
  font-weight: var(--weight-medium);
  color: var(--color-ink-soft);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--duration-fast) var(--easing-standard);
}
.site-nav__link:hover { color: var(--color-ink-strong); }
.site-nav__link[aria-current="page"] {
  color: var(--color-ink-strong);
}
.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--color-accent);
}

/* .site-nav__cta sits inside .site-nav__actions; spacing handled by actions gap */

/* -----------------------------------------------------------
 * Language switcher — minimal, accessible
 * --------------------------------------------------------- */

.lang-switcher {
  position: relative;
}
.lang-switcher__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--type-sm);
  font-weight: var(--weight-medium);
  color: var(--color-ink-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: transparent;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--easing-standard),
    border-color     var(--duration-fast) var(--easing-standard);
}
.lang-switcher__trigger:hover {
  background: var(--color-surface);
  border-color: var(--color-line-strong);
}
.lang-switcher__caret {
  width: 0.6em;
  height: 0.6em;
  transition: transform var(--duration-fast) var(--easing-standard);
}
.lang-switcher__trigger[aria-expanded="true"] .lang-switcher__caret { transform: rotate(180deg); }

.lang-switcher__menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 180px;
  padding: var(--space-2);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  list-style: none;
  margin: 0;
}
.lang-switcher__option {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--type-sm);
  color: var(--color-ink);
  text-decoration: none;
  border-radius: var(--radius-xs);
  transition: background-color var(--duration-fast) var(--easing-standard);
}
.lang-switcher__option:hover { background: var(--color-bg-soft); }
.lang-switcher__option[aria-current="true"] {
  color: var(--color-accent-strong);
  font-weight: var(--weight-medium);
}

/* -----------------------------------------------------------
 * Cards — surface with line, soft hover
 * --------------------------------------------------------- */

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-raised);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition:
    transform var(--duration-base) var(--easing-standard),
    box-shadow var(--duration-base) var(--easing-standard);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card__media {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-sunken);
  overflow: hidden;
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: var(--card-focal, 50% 50%);
  transition: transform var(--duration-slow) var(--easing-standard);
}
.card:hover .card__media img {
  transform: scale(1.03);
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
}
.card__eyebrow {
  font-size: var(--type-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-strong);
}
.card__title {
  font-family: var(--font-display);
  font-size: var(--type-xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
  line-height: var(--leading-snug);
}
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-size: var(--type-sm);
  color: var(--color-ink-soft);
}
.card__cta {
  margin-top: var(--space-2);
  align-self: flex-start;
}

/* -----------------------------------------------------------
 * Form inputs
 * --------------------------------------------------------- */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field__label {
  font-size: var(--type-sm);
  font-weight: var(--weight-medium);
  color: var(--color-ink-soft);
  letter-spacing: var(--tracking-wide);
}
.field__input,
.field__textarea,
.field__select {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--type-base);
  color: var(--color-ink-strong);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition:
    border-color var(--duration-fast) var(--easing-standard),
    background-color var(--duration-fast) var(--easing-standard),
    box-shadow var(--duration-fast) var(--easing-standard);
}
.field__textarea { min-height: 144px; resize: vertical; line-height: var(--leading-relaxed); }
.field__input::placeholder,
.field__textarea::placeholder { color: var(--color-ink-muted); }

.field__input:hover,
.field__textarea:hover,
.field__select:hover { border-color: var(--color-line-strong); }

.field__input:focus-visible,
.field__textarea:focus-visible,
.field__select:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-focus);
}

.field__hint {
  font-size: var(--type-xs);
  color: var(--color-ink-muted);
}
.field__error {
  font-size: var(--type-xs);
  color: var(--color-state-danger);
}

/* -----------------------------------------------------------
 * Pill / tag — small inline metadata
 * --------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--type-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-ink-soft);
  background: var(--color-surface-sunken);
  border-radius: var(--radius-pill);
}
.tag--accent {
  background: var(--color-accent-wash);
  color: var(--color-accent-strong);
}
.tag--gold {
  background: var(--color-gold-wash);
  color: var(--color-gold-strong);
}

/* -----------------------------------------------------------
 * Stat block — used in About section
 * --------------------------------------------------------- */

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-3);
}
.stat__value {
  font-family: var(--font-display);
  font-size: var(--type-4xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
  line-height: 1;
  font-variation-settings: "opsz" 96;
}
.stat__label {
  font-size: var(--type-sm);
  color: var(--color-ink-soft);
  letter-spacing: var(--tracking-wide);
}

/* -----------------------------------------------------------
 * Divider rule — editorial flourish
 * --------------------------------------------------------- */

.rule {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-accent);
  margin: var(--space-4) 0;
  border: 0;
}

/* -----------------------------------------------------------
 * Cookie consent banner
 * --------------------------------------------------------- */

.consent {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  max-width: 560px;
  margin-inline: auto;
  padding: var(--space-5);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  z-index: var(--z-toast);
}
.consent__text {
  font-size: var(--type-sm);
  color: var(--color-ink-soft);
  line-height: var(--leading-relaxed);
}
.consent__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-end;
}