/* ==========================================================================
   UES GROUP — COMPONENTS
   Buttons · badges · cards · forms · toast · modal · header · footer · tabs
   ========================================================================== */

/* --- Buttons ------------------------------------------------------------ */
.btn {
  --btn-py: 0.8rem; --btn-px: 1.5rem;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--btn-py) var(--btn-px);
  font-size: var(--fs-sm); font-weight: 600; letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-md); border: 1px solid transparent;
  cursor: pointer; user-select: none; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--brand); color: #fff;
  box-shadow: var(--shadow-sm), 0 0 0 rgba(168,19,47,0);
}
.btn--primary:hover { background: var(--brand-hover); box-shadow: var(--shadow-md), var(--shadow-glow); transform: translateY(-2px); }

.btn--secondary {
  background: transparent; color: var(--text); border-color: var(--border-strong);
}
.btn--secondary:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.band-dark .btn--secondary, .btn--secondary.on-dark { color: #fff; border-color: rgba(255,255,255,0.35); }
.band-dark .btn--secondary:hover, .btn--secondary.on-dark:hover { border-color: var(--brand-300); color: var(--brand-200); }

.btn--ghost { background: transparent; color: var(--brand); border-color: transparent; }
.btn--ghost:hover { background: var(--brand-50); }

.btn--lg { --btn-py: 1rem; --btn-px: 2rem; font-size: var(--fs-base); }
.btn--sm { --btn-py: 0.55rem; --btn-px: 1.1rem; }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.5; cursor: not-allowed; pointer-events: none;
}
.btn--block { width: 100%; }

/* --- Badges ------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.3rem 0.7rem; font-size: 0.72rem; font-weight: 600;
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: var(--brand-50); color: var(--brand-700); border: 1px solid var(--brand-100);
}
.badge--neutral { background: var(--neutral-100); color: var(--neutral-700); border-color: var(--neutral-200); }
.badge--op { background: #E7F5EE; color: #1E8E5A; border-color: #BCE3CE; }
.badge--op::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* --- Cards -------------------------------------------------------------- */
.card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-8);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
/* crimson bar reveal on hover */
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--brand-500), var(--brand-300));
  transition: width var(--dur) var(--ease-out);
}
.card:hover::after { width: 100%; }
.card__icon {
  width: 52px; height: 52px; display: grid; place-items: center;
  border-radius: var(--radius-md); background: var(--brand-50); color: var(--brand);
  margin-bottom: var(--space-5);
}
.card__title { font-size: var(--fs-xl); margin-bottom: var(--space-3); }
.card__title a::after { content: ""; position: absolute; inset: 0; }
.card p { font-size: var(--fs-base); }
.card--dark { background: var(--dark-surface); border-color: var(--dark-border); }
.card--dark .card__title { color: var(--dark-text); }
.card--dark .card__icon { background: rgba(168,19,47,0.18); color: var(--brand-300); }

.card__link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-5); font-family: var(--font-display); font-weight: 600;
  font-size: var(--fs-sm); color: var(--brand); letter-spacing: var(--tracking-wide);
}
.card__link svg { transition: transform var(--dur) var(--ease-out); }
.card:hover .card__link svg { transform: translateX(4px); }

/* --- Stat / trust bar --------------------------------------------------- */
.stat { text-align: center; }
.stat__value { font-size: var(--fs-4xl); font-weight: 600; color: var(--brand); line-height: 1; letter-spacing: var(--tracking-tight); }
.band-dark .stat__value { color: var(--brand-300); }
.stat__label { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--text-muted); font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.band-dark .stat__label { color: var(--dark-text-secondary); }

.trust-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(1.5rem, 5vw, 4rem); }
.trust-bar__item { font-family: var(--font-display); font-weight: 600; letter-spacing: var(--tracking-wide); color: var(--text-muted); font-size: var(--fs-lg); opacity: 0.85; }

/* --- Pullquote ---------------------------------------------------------- */
.pullquote {
  border-left: 3px solid var(--brand); padding-left: var(--space-6);
  font-family: var(--font-body); font-size: var(--fs-2xl); line-height: var(--lh-snug);
  font-style: italic; color: var(--text);
}
.pullquote cite { display: block; margin-top: var(--space-4); font-size: var(--fs-sm); font-style: normal; color: var(--text-muted); font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.band-dark .pullquote { color: var(--dark-text); }
.band-dark .pullquote cite { color: var(--dark-text-secondary); }

/* --- Forms -------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.field label { font-size: var(--fs-sm); font-weight: 600; letter-spacing: var(--tracking-wide); }
.field .req { color: var(--brand); }
.control {
  width: 100%; padding: 0.75rem 0.9rem; font-family: var(--font-body);
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-md);
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.control:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-100); }
textarea.control { min-height: 130px; resize: vertical; }
select.control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236E7686' d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.field .error-msg { font-size: var(--fs-sm); color: var(--danger); font-family: var(--font-display); display: none; }
.field.is-invalid .control { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(192,57,43,0.12); }
.field.is-invalid .error-msg { display: block; }
.field--file .control { padding: 0.6rem; }
.field-hint { font-size: var(--fs-sm); color: var(--text-muted); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- Toast -------------------------------------------------------------- */
.toast-wrap { position: fixed; bottom: var(--space-6); right: var(--space-6); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-3); }
.toast {
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--neutral-900); color: #fff; padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg); max-width: 380px;
  transform: translateY(16px); opacity: 0;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.toast.is-visible { transform: none; opacity: 1; }
.toast--success { border-left: 4px solid var(--success); }
.toast--error { border-left: 4px solid var(--danger); }
.toast__icon { flex-shrink: 0; color: var(--brand-300); }

/* --- Modal -------------------------------------------------------------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(11,12,16,0.6); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: var(--space-4);
  opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease-out), visibility var(--dur);
}
.modal-overlay.is-open { opacity: 1; visibility: visible; }
.modal {
  background: var(--surface); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  width: min(560px, 100%); max-height: 92vh; overflow-y: auto; padding: var(--space-10);
  transform: translateY(20px) scale(0.98); transition: transform var(--dur) var(--ease-out);
  position: relative;
}
.modal-overlay.is-open .modal { transform: none; }
.modal__close {
  position: absolute; top: var(--space-4); right: var(--space-4);
  width: 40px; height: 40px; border-radius: var(--radius-md); border: 1px solid var(--border);
  background: var(--bg); cursor: pointer; display: grid; place-items: center; color: var(--text-secondary);
  transition: background var(--dur), color var(--dur);
}
.modal__close:hover { background: var(--brand-50); color: var(--brand); }
.modal__title { font-size: var(--fs-2xl); }
.modal__sub { margin-top: var(--space-2); margin-bottom: var(--space-6); color: var(--text-secondary); font-size: var(--fs-base); }

/* --- Tabs / filter tabs ------------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tab {
  padding: 0.5rem 1.1rem; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm);
  letter-spacing: var(--tracking-wide); border-radius: var(--radius-pill);
  background: var(--bg-muted); color: var(--text-secondary); border: 1px solid transparent; cursor: pointer;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}
.tab:hover { color: var(--brand); }
.tab[aria-selected="true"], .tab.is-active { background: var(--brand); color: #fff; }

/* --- Section heading block --------------------------------------------- */
.section-head { max-width: 640px; margin-bottom: var(--space-12); }
.section-head.text-center { margin-inline: auto; }
.section-head h2 { margin-top: var(--space-4); }
.section-head p { margin-top: var(--space-4); font-size: var(--fs-lg); }

/* --- Breadcrumb --------------------------------------------------------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: var(--space-2); font-family: var(--font-display); font-size: var(--fs-sm); color: var(--text-muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb li { display: inline-flex; gap: var(--space-2); }
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--border-strong); }

/* ==========================================================================
   HEADER (sticky glassmorphic)
   ========================================================================== */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-header);
  height: var(--header-h);
  transition: background var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur);
  border-bottom: 1px solid transparent;
}
#site-header .header-inner {
  height: 100%; display: flex; align-items: center; gap: var(--space-6);
  max-width: var(--container-wide); margin-inline: auto; padding-inline: var(--gutter);
}
/* transparent over dark hero, solid on scroll */
#site-header.is-transparent { background: transparent; }
#site-header.is-solid {
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.brand-logo { display: inline-flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: 600; font-size: var(--fs-lg); }
.brand-logo img { height: 44px; width: auto; }
/* Full-colour logo on dark: layered white halo keeps the dark wordmark legible */
#site-header.is-transparent .brand-logo img {
  filter: drop-shadow(0 0 1px rgba(255,255,255,.95)) drop-shadow(0 0 3px rgba(255,255,255,.85)) drop-shadow(0 0 16px rgba(255,255,255,.5));
}

.main-nav { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.main-nav a, .nav-trigger {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-sm);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  color: var(--text-secondary); background: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 4px;
  transition: color var(--dur);
}
#site-header.is-transparent .main-nav a, #site-header.is-transparent .nav-trigger { color: rgba(255,255,255,0.88); }
/* The dropdown panel is always a white surface, even while the header itself is
   transparent over the hero — its links must stay dark, not inherit the
   light-on-dark header treatment. */
#site-header.is-transparent .nav-menu a { color: var(--text); }
#site-header.is-transparent .nav-menu a:hover { color: var(--brand); }
.main-nav a:hover, .nav-trigger:hover, .main-nav a[aria-current="page"] { color: var(--brand); }
#site-header.is-transparent .main-nav a:hover, #site-header.is-transparent .nav-trigger:hover { color: #fff; }

/* dropdown */
.nav-item { position: relative; }
.nav-menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 280px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: var(--space-3); list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--dur), transform var(--dur), visibility var(--dur);
}
.nav-item:hover .nav-menu, .nav-item:focus-within .nav-menu { opacity: 1; visibility: visible; transform: none; }
.nav-menu a { display: flex; flex-direction: column; padding: var(--space-3); border-radius: var(--radius-md); color: var(--text); width: 100%; }
.nav-menu a small { color: var(--text-muted); font-family: var(--font-body); font-weight: 400; font-size: 0.8rem; margin-top: 2px; }
.nav-menu a:hover { background: var(--brand-50); color: var(--brand); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.lang-toggle { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); overflow: hidden; }
#site-header.is-transparent .lang-toggle { border-color: rgba(255,255,255,0.35); }
.lang-toggle button {
  padding: 0.35rem 0.7rem; font-family: var(--font-display); font-size: 0.78rem; font-weight: 600;
  background: none; border: none; cursor: pointer; color: var(--text-muted);
}
#site-header.is-transparent .lang-toggle button { color: rgba(255,255,255,0.8); }
.lang-toggle button[aria-pressed="true"] { background: var(--brand); color: #fff; }

.nav-toggle { display: none; width: 44px; height: 44px; border: none; background: none; cursor: pointer; flex-direction: column; gap: 5px; justify-content: center; align-items: center; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform var(--dur), opacity var(--dur); }
#site-header.is-transparent .nav-toggle span { background: #fff; }

@media (max-width: 1040px) {
  .nav-toggle { display: flex; margin-left: auto; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 0 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); padding: var(--space-6) var(--gutter);
    overflow-y: auto; transform: translateX(100%); transition: transform var(--dur) var(--ease-out);
    border-top: 1px solid var(--border);
  }
  #site-header.nav-open .main-nav { transform: none; }
  #site-header.nav-open { background: var(--surface); }
  #site-header.nav-open .brand-logo, #site-header.nav-open .main-nav a,
  #site-header.nav-open .nav-trigger, #site-header.nav-open .nav-toggle span { color: var(--text); filter: none; }
  #site-header.nav-open .nav-toggle span { background: var(--text); }
  .main-nav a, .nav-trigger { color: var(--text) !important; padding: var(--space-4) 0; font-size: var(--fs-lg); border-bottom: 1px solid var(--border); width: 100%; justify-content: space-between; }
  .nav-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 var(--space-4) var(--space-4); min-width: 0; display: none; }
  .nav-item.is-expanded .nav-menu { display: block; }
  .header-actions { order: -1; margin-top: var(--space-4); flex-direction: column; align-items: stretch; }
  .header-actions .btn { width: 100%; }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
#site-footer { background: var(--dark-bg); color: var(--dark-text-secondary); position: relative; overflow: hidden; }
#site-footer a:hover { color: #fff; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-10); padding-block: var(--space-20) var(--space-12); }
.footer-brand img { height: 52px; margin-bottom: var(--space-5); filter: drop-shadow(0 0 1px rgba(255,255,255,.95)) drop-shadow(0 0 3px rgba(255,255,255,.85)) drop-shadow(0 0 16px rgba(255,255,255,.5)); }
.footer-col h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: #fff; margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a, .footer-col li { font-family: var(--font-display); font-size: var(--fs-sm); line-height: var(--lh-normal); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer-social a { width: 40px; height: 40px; border: 1px solid var(--dark-border); border-radius: var(--radius-md); display: grid; place-items: center; transition: border-color var(--dur), background var(--dur); }
.footer-social a:hover { border-color: var(--brand-400); background: rgba(168,19,47,0.15); }
.footer-bottom { border-top: 1px solid var(--dark-border); padding-block: var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; font-size: var(--fs-sm); font-family: var(--font-display); }
.footer-bottom .lang-toggle { border-color: var(--dark-border); }
.footer-bottom .lang-toggle button { color: var(--dark-text-secondary); }
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }