/* ========================================
   CAUCES PSICOLOGÍA — Layout
   ======================================== */

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: transparent;
  transition: background var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.header.is-sticky {
  background: rgba(250, 248, 245, 0.88);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: var(--shadow-header);
}
[data-theme="dark"] .header.is-sticky {
  background: rgba(28, 31, 29, 0.88);
}
@media (prefers-color-scheme: dark) {
  .header.is-sticky {
    background: rgba(28, 31, 29, 0.88);
  }
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header__logo img {
  width: auto;
  height: 40px;
}
.header__logo span {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-text);
}
@media (max-width: 768px) {
  .header__logo span { display: none; }
}

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.875rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}
.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary);
  background: var(--color-surface-2);
}
.nav__link--active {
  color: var(--color-primary);
  font-weight: 600;
}

/* ── Nav Móvil ── */
.nav-toggle {
  display: none;
  width: 48px; height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: background var(--duration-fast) var(--ease);
}
.nav-toggle:hover {
  background: var(--color-surface-2);
}
.nav-toggle__icon {
  width: 24px; height: 24px;
  position: relative;
}
.nav-toggle__bar {
  display: block;
  width: 100%; height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 6px; }
.nav-toggle__bar:nth-child(2) { top: 11px; }
.nav-toggle__bar:nth-child(3) { top: 16px; }
[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    bottom: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: var(--space-6);
    gap: var(--space-2);
    transform: translateX(100%);
    transition: transform var(--duration) var(--ease);
    overflow-y: auto;
    z-index: 999;
  }
  .nav__list.is-open {
    transform: translateX(0);
  }
  .nav__link {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--fs-base);
    border-radius: var(--radius);
  }
  .nav__link--btn {
    margin-top: var(--space-4);
  }
}

/* ── Header actions ── */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Theme toggle */
.theme-toggle {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text);
  transition: background var(--duration-fast) var(--ease);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
}
.theme-toggle svg {
  width: 20px; height: 20px;
}

/* ── Main ── */
main {
  display: block;
  min-height: 70vh;
  padding-top: var(--header-height);
}

/* ── Breadcrumbs ── */
.breadcrumbs {
  padding: var(--space-4) 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
}
.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-border);
  margin-right: var(--space-1);
}
.breadcrumbs a {
  color: var(--color-primary);
  transition: color var(--duration-fast) var(--ease);
}
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs [aria-current="page"] {
  color: var(--color-text-muted);
}

/* ── Hero ── */
.hero {
  padding: var(--space-9) 0 var(--space-8);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero__content {
  max-width: 780px;
  margin: 0 auto;
}
.hero__title {
  margin-bottom: var(--space-5);
  font-weight: 450;
}
.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .hero { padding: var(--space-7) 0 var(--space-7); }
  .hero__title { font-size: var(--fs-2xl); }
  .hero__subtitle { font-size: var(--fs-base); }
}

/* ── Footer ── */
.footer {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-6);
}
.footer__brand img {
  width: auto;
  height: 48px;
  margin-bottom: var(--space-3);
}
.footer__brand p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  max-width: 280px;
  line-height: 1.6;
}
.footer__heading {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.footer__links li {
  margin-bottom: var(--space-2);
}
.footer__links a {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease);
}
.footer__links a:hover {
  color: var(--color-primary);
}
.footer__contact li {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.footer__contact svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}
.footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.footer__eu img {
  height: 30px;
  width: auto;
}
@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Section title ── */
.section-title {
  text-align: center;
  margin-bottom: var(--space-7);
}
.section-title h2 {
  margin-bottom: var(--space-3);
}
.section-title p {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ── CTA Band ── */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary));
  color: #fff;
  padding: var(--space-8) 0;
  text-align: center;
}
.cta-band h2 {
  color: #fff;
  margin-bottom: var(--space-4);
}
.cta-band p {
  font-size: var(--fs-md);
  margin-bottom: var(--space-6);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-band .btn-primary {
  background: #fff;
  color: var(--color-primary-700);
  border-color: #fff;
}
.cta-band .btn-primary:hover {
  background: transparent;
  color: #fff;
}
@media (prefers-color-scheme: dark) {
  .cta-band {
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-500));
  }
}