/* ==========================================================================
   COMPONENTS — header, botones, footer
   ========================================================================== */

/* ---- Botones: planos, sin relleno decorativo, sin sombra ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0.9rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-ink);
  color: var(--c-bg);
  border-color: var(--c-ink);
}

.btn-primary:hover {
  background: var(--c-bg);
  color: var(--c-ink);
}

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

.btn-secondary:hover {
  border-color: var(--c-ink);
}

.btn-arrow {
  transition: transform var(--dur-fast) var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ---- Header ---- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.logo span {
  color: var(--c-gray);
  font-weight: 400;
}

.logo-icon {
  width: 22px;
  height: auto;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav-links {
  display: flex;
  gap: var(--sp-5);
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--c-ink-soft);
  transition: color var(--dur-fast) var(--ease);
  position: relative;
}

.nav-links a:hover {
  color: var(--c-ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.nav-lang {
  display: flex;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--c-gray);
  letter-spacing: 0.04em;
}

.nav-lang button[aria-current='true'] {
  color: var(--c-ink);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 22px;
  padding: var(--sp-1);
}

.nav-toggle span {
  height: 1px;
  width: 100%;
  background: var(--c-ink);
}

/* ---- Footer ---- */

.site-footer {
  background: var(--c-invert-bg);
  color: var(--c-invert-gray);
  border-top: 1px solid var(--c-line);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr 1fr;
  gap: var(--sp-5);
  padding-block: var(--sp-7) var(--sp-6);
  border-bottom: 1px solid var(--c-invert-line);
}

.footer-brand .logo {
  color: var(--c-invert-ink);
}

.footer-brand .logo span {
  color: var(--c-invert-gray);
}

.footer-tagline {
  margin-top: var(--sp-3);
  max-width: 30ch;
  font-size: 0.9375rem;
  color: var(--c-invert-gray);
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-invert-gray);
  margin-bottom: var(--sp-3);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-col a,
.footer-col address {
  font-size: 0.9375rem;
  font-style: normal;
  color: #d4d4d4;
  transition: color var(--dur-fast) var(--ease);
}

.footer-col a:hover {
  color: var(--c-invert-ink);
}

.footer-compliance {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--c-invert-line);
}

.compliance-badge {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--c-invert-line);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-invert-gray);
  text-transform: uppercase;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-block: var(--sp-4);
  font-size: 0.8125rem;
  color: #737373;
}

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer-legal {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer-legal a:hover {
  color: var(--c-invert-ink);
}

/* ---- Selector de idioma ---- */

.lang-switch {
  display: flex;
  align-items: center;
}

.lang-select {
  font: inherit;
  font-size: 0.8125rem;
  color: var(--c-invert-gray);
  background: transparent;
  border: 1px solid var(--c-invert-line);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.lang-select:hover,
.lang-select:focus-visible {
  border-color: var(--c-invert-gray);
  color: var(--c-invert-ink);
}

.lang-select option {
  color: var(--c-ink);
  background: var(--c-bg);
}

/* ---- Formularios (contacto, candidaturas) ---- */

.form {
  max-width: 640px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--sp-3);
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-ink-soft);
}

.form-field input,
.form-field select,
.form-field textarea {
  font: inherit;
  font-size: 0.9375rem;
  color: var(--c-ink);
  background: var(--c-bg);
  border: 1px solid var(--c-line-strong);
  padding: 0.7rem 0.85rem;
  transition: border-color var(--dur-fast) var(--ease);
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  border-color: var(--c-ink);
  outline: none;
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--c-gray);
  margin-bottom: var(--sp-3);
}