/* ============================================
   FOOTER — Sección 12 · Dark navy + gradient mesh sutil
   5 columnas adaptables · Newsletter "Cuaderno Cob's" floating label
   ============================================ */

.footer {
  position: relative;
  background-color: #0A1420;
  color: rgba(250, 246, 238, 0.85);
  padding: clamp(4rem, 7vw, 6.5rem) var(--space-gutter) clamp(1.5rem, 2.5vw, 2rem);
  overflow: hidden;
  isolation: isolate;
}

/* Gradient mesh sutil de fondo · continuidad con eventos */
.footer__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.footer__bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  mix-blend-mode: screen;
}
.footer__bg-orb--1 {
  top: -20%; left: -10%;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(184, 132, 47, 0.55), transparent 70%);
  animation: footer-orb-a 28s ease-in-out infinite alternate;
}
.footer__bg-orb--2 {
  bottom: -25%; right: -15%;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(74, 122, 153, 0.45), transparent 70%);
  animation: footer-orb-b 32s ease-in-out infinite alternate;
}
@keyframes footer-orb-a {
  to { transform: translate(8%, 10%) scale(1.1); }
}
@keyframes footer-orb-b {
  to { transform: translate(-6%, -8%) scale(0.95); }
}

.footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ────────── Top: wordmark + tagline ────────── */
.footer__wordmark-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0 0 clamp(3rem, 5vw, 4rem);
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(229, 183, 104, 0.14);
}
.footer__wordmark {
  display: inline-flex;
  align-items: center;
  color: var(--color-cream-off);
  text-decoration: none;
}
.footer__logo {
  width: 56px;
  height: 56px;
  transition: transform var(--dur-mid) var(--ease-out), color var(--dur-mid) var(--ease-out);
}
.footer__wordmark:hover .footer__logo {
  color: var(--color-coffee-light);
  transform: rotate(-4deg);
}
.footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 1vw + 0.85rem, 1.5rem);
  font-weight: 300;
  line-height: 1.35;
  color: rgba(250, 246, 238, 0.78);
  font-variation-settings: 'opsz' 72;
  margin: 0;
  max-width: 36ch;
  text-wrap: balance;
}
.footer__tagline em {
  font-style: italic;
  color: var(--color-coffee-light);
}

/* ────────── Grid 5 columnas ──────────
   Sedes | Explora | Contacto | Newsletter (span 2) */
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.1fr 1.5fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin: 0 0 clamp(3rem, 5vw, 4rem);
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-coffee-light);
  margin: 0 0 1.25rem;
}

/* Direcciones (sedes) */
.footer__address {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-style: normal;
  line-height: 1.55;
  color: rgba(250, 246, 238, 0.7);
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
}
.footer__address strong {
  display: block;
  font-weight: var(--fw-semibold);
  color: var(--color-cream-off);
  margin-bottom: 0.2rem;
}
.footer__address time {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: rgba(229, 183, 104, 0.75);
}

/* Links lists (explora, contacto) */
.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  color: rgba(250, 246, 238, 0.7);
  text-decoration: none;
  transition: color var(--dur-mid) var(--ease-out), gap var(--dur-mid) var(--ease-out);
}
.footer__links a:hover {
  color: var(--color-coffee-light);
  gap: 0.65rem;
}

/* Social icons row */
.footer__social {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(229, 183, 104, 0.16);
  color: var(--color-coffee-light);
  transition:
    background-color var(--dur-mid) var(--ease-out),
    border-color var(--dur-mid) var(--ease-out),
    color var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out);
}
.footer__social a:hover {
  background-color: var(--color-coffee);
  border-color: var(--color-coffee);
  color: #0D1A22;
  transform: translateY(-2px);
}

/* ════════════════════════════════════════════
   NEWSLETTER — Cuaderno Cob's
   ════════════════════════════════════════════ */
.footer__col--newsletter {
  display: flex;
  flex-direction: column;
}
.footer__newsletter-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(250, 246, 238, 0.68);
  margin: 0 0 1.25rem;
  max-width: 40ch;
}
.footer__newsletter-desc strong {
  font-weight: var(--fw-semibold);
  color: var(--color-cream-off);
}

.footer__newsletter-field {
  position: relative;
  display: flex;
  align-items: center;
}
.footer__newsletter-field input {
  width: 100%;
  padding: 1.1rem 3.2rem 0.55rem 1rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-cream-off);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(229, 183, 104, 0.18);
  border-radius: 8px;
  outline: none;
  transition: border-color var(--dur-mid) var(--ease-out), background-color var(--dur-mid) var(--ease-out);
}
.footer__newsletter-field input:focus {
  border-color: var(--color-coffee-light);
  background-color: rgba(255, 255, 255, 0.06);
}
.footer__newsletter-field input::placeholder { color: transparent; }
.footer__newsletter-field label {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(250, 246, 238, 0.5);
  transition: top var(--dur-mid) var(--ease-out), font-size var(--dur-mid) var(--ease-out), color var(--dur-mid) var(--ease-out);
}
.footer__newsletter-field input:focus + label,
.footer__newsletter-field input:not(:placeholder-shown) + label {
  top: 0.55rem;
  transform: translateY(0);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-coffee-light);
  font-weight: var(--fw-semibold);
}

.footer__newsletter-submit {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-coffee-light), var(--color-coffee));
  color: #0D1A22;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(184, 132, 47, 0.32);
  transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out);
}
.footer__newsletter-submit:hover {
  transform: translateY(-50%) translateX(2px);
  box-shadow: 0 6px 16px rgba(229, 183, 104, 0.42);
}
.footer__newsletter-submit svg { display: block; }

.footer__newsletter-note {
  margin: 0.6rem 0 0;
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.4;
  color: rgba(250, 246, 238, 0.55);
  min-height: 1.3em;
}
.footer__newsletter-note.is-success { color: #87c87c; }
.footer__newsletter-note.is-error { color: #e57676; }

/* ────────── Sub-footer ────────── */
.footer__sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(229, 183, 104, 0.12);
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: rgba(250, 246, 238, 0.5);
  flex-wrap: wrap;
}
.footer__copy { margin: 0; }
.footer__legal-links a {
  color: rgba(250, 246, 238, 0.6);
  text-decoration: none;
  transition: color var(--dur-mid) var(--ease-out);
}
.footer__legal-links a:hover { color: var(--color-coffee-light); }
.footer__made {
  margin: 0;
  font-style: italic;
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: rgba(250, 246, 238, 0.55);
  font-variation-settings: 'opsz' 48;
}
.footer__made strong {
  font-weight: 500;
  color: var(--color-coffee-light);
  font-style: normal;
}

.footer__totop {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  color: var(--color-coffee-light);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(229, 183, 104, 0.18);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all var(--dur-mid) var(--ease-out);
}
.footer__totop:hover {
  background-color: rgba(229, 183, 104, 0.12);
  border-color: var(--color-coffee);
  transform: translateY(-2px);
}

/* ────────── Responsive ────────── */
@media (max-width: 980px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .footer__col--newsletter { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__sub { flex-direction: column; align-items: flex-start; }
}