/*
 * Footer
 *
 * Developed by: Rhyll Neri
 */

.footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.7);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(0,90,100,0.6), transparent 50%),
              radial-gradient(circle at 90% 100%, rgba(224,146,47,0.18), transparent 45%);
  pointer-events: none;
}

.footer__inner {
  position: relative;
  z-index: 1;
}

.footer__top {
  padding: clamp(4rem, 6vw, 6rem) 0 clamp(3rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

@media (max-width: 1024px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .footer__top { grid-template-columns: 1fr; gap: var(--space-7); }
}

.footer__brand-block .footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: var(--fw-semibold);
}

.footer__brand-block .header__logo-mark { background: var(--color-accent); color: var(--color-ink); }

.footer__tagline {
  color: rgba(255,255,255,0.7);
  max-width: 380px;
  margin-bottom: var(--space-5);
  line-height: var(--lh-relaxed);
}

.footer__contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--fs-14);
  color: rgba(255,255,255,0.8);
}

.footer__contact-list .icon {
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.footer__contact-list a { color: inherit; }
.footer__contact-list a:hover { color: var(--color-white); }

.footer__widget-title,
.footer__col-title {
  color: var(--color-white);
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  margin: 0 0 var(--space-5);
  font-family: var(--font-sans);
}

.footer__menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__menu li { margin-bottom: var(--space-3); }

.footer__menu a {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-14);
  transition: color var(--dur-200) var(--ease-out), padding-left var(--dur-200);
  display: inline-flex;
  align-items: center;
}

.footer__menu a::before {
  content: '';
  width: 0;
  height: 1px;
  margin-right: 0;
  background: var(--color-accent);
  transition: width var(--dur-200), margin-right var(--dur-200);
}

.footer__menu a:hover {
  color: var(--color-white);
}

.footer__menu a:hover::before {
  width: 16px;
  margin-right: var(--space-2);
}

.footer__newsletter {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.footer__newsletter-title {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: var(--fs-20);
  margin: 0 0 var(--space-2);
}

.footer__newsletter-text {
  font-size: var(--fs-14);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-4);
}

.footer__newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.footer__newsletter-form input[type="email"] {
  flex: 1;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-white);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-14);
}

.footer__newsletter-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.4);
}

.footer__newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  background: rgba(255,255,255,0.1);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--fs-13, 0.8125rem);
  color: rgba(255,255,255,0.6);
}

.footer__legal-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer__legal-menu a {
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-13, 0.8125rem);
}
.footer__legal-menu a:hover { color: var(--color-white); }

.footer__socials {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.footer__socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-200), transform var(--dur-200);
}

.footer__socials a:hover {
  background: var(--color-accent);
  color: var(--color-ink);
  transform: translateY(-2px);
}

/* Back-to-top */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--dur-200), transform var(--dur-200), background var(--dur-200);
  z-index: var(--z-sticky);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-ink);
}