/* =========================
   FOOTER
========================= */

.site-footer {
  background: #111827;
  color: #f9fafb;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  width: min(100% - 40px, 1200px);
  margin: 0 auto;
  padding: 56px 0 24px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* =========================
   BRAND
========================= */

.footer-brand {
  max-width: 360px;
}

.footer-logo-link {
  display: inline-block;
  color: #f9fafb;
  text-decoration: none;
}

.footer-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.footer-tagline {
  margin: 14px 0 0;
  color: #d1d5db;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* =========================
   HEADINGS
========================= */

.footer-heading {
  margin: 0 0 16px;
  color: #f9fafb;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* =========================
   NAVIGATION
========================= */

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

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a,
.footer-email {
  color: #d1d5db;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.25s ease;
}

.footer-links a:hover,
.footer-email:hover {
  color: #ffffff;
}

/* =========================
   CONTACT
========================= */

.footer-email {
  display: inline-block;
}

/* =========================
   SOCIAL ICONS
========================= */

.footer-socials {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 30px;
  height: 30px;

  color: #ffffff;
  text-decoration: none;

  border-radius: 50%;

  transition:
    opacity 0.25s ease,
    background-color 0.25s ease;
}

.footer-social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.footer-social-link:hover {
  background-color: rgba(255, 255, 255, 0.08);
  opacity: 0.85;
}

/* Keyboard accessibility */

.footer-logo-link:focus-visible,
.footer-links a:focus-visible,
.footer-email:focus-visible,
.footer-social-link:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 4px;
}

/* =========================
   FOOTER BOTTOM
========================= */

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;

  margin-top: 48px;
  padding-top: 20px;

  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  margin: 0;
  color: #9ca3af;
  font-size: 0.82rem;
  line-height: 1.5;
}

.footer-bottom span {
  color: #d1d5db;
}

/* =========================
   TABLET
========================= */

@media (max-width: 900px) {
  .footer-main {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
  }

  .footer-container {
    padding-top: 48px;
  }
}

/* =========================
   MOBILE
========================= */

@media (max-width: 700px) {
  .footer-container {
    width: min(100% - 32px, 1200px);
    padding: 44px 0 22px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;

    margin-top: 38px;
    padding-top: 18px;
  }
}

/* =========================
   REDUCED MOTION
========================= */

@media (prefers-reduced-motion: reduce) {
  .footer-links a,
  .footer-email,
  .footer-social-link {
    transition: none;
  }
}