/*
 * footer.css — premium dark silo footer.
 * Mirrors Footer.jsx from the design system.
 */

.tsu-footer {
  background: var(--ink-900);
  color: #fff;
  padding: 80px 0 32px;
}

/* ── TOP GRID ────────────────────────────────────────────── */
.tsu-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* ── BRAND COLUMN ────────────────────────────────────────── */
.tsu-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tsu-footer__logo {
  height: 36px;
  width: auto;
  align-self: flex-start;
}
.tsu-footer__desc {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
  margin: 8px 0 0;
  max-width: 320px;
}

/* ── SOCIAL ICONS ────────────────────────────────────────── */
.tsu-footer__social {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.tsu-footer__social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--dur-base) var(--ease-out),
    color      var(--dur-base) var(--ease-out);
}
.tsu-footer__social-btn:hover {
  background: rgba(14,122,75,0.4);
  color: #fff;
}

/* ── TRUST BADGES ────────────────────────────────────────── */
.tsu-footer__trust {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 20px;
  flex-wrap: wrap;
}
.tsu-footer__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201,168,97,0.06);
  border: 1px solid rgba(201,168,97,0.20);
  color: var(--gold-bright);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 11px;
  letter-spacing: 0.04em;
}

/* ── LINK COLUMNS ────────────────────────────────────────── */
.tsu-footer__col-title {
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: 12px;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}
.tsu-footer__link {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.66);
  text-decoration: none;
  padding: 6px 0;
  transition: color var(--dur-fast) var(--ease-out);
}
.tsu-footer__link:hover { color: var(--brand-emerald-400); }

/* ── CONTACT COLUMN ──────────────────────────────────────── */
.tsu-footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.7);
  padding: 6px 0;
  line-height: 1.5;
}
.tsu-footer__contact-item .tsu-icon { color: var(--brand-emerald-400); flex-shrink: 0; margin-top: 2px; }

/* ── NEWSLETTER ──────────────────────────────────────────── */
.tsu-footer__newsletter-title {
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: 12px;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: #fff;
  margin: 24px 0 0;
}
.tsu-footer__newsletter-form {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}
.tsu-footer__email-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color var(--dur-base) var(--ease-out);
}
.tsu-footer__email-input:focus {
  border-color: var(--brand-emerald);
}
.tsu-footer__email-input::placeholder { color: rgba(255,255,255,0.35); }
.tsu-footer__subscribe-btn {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.tsu-footer__subscribe-btn:hover { opacity: 0.88; }

/* ── BOTTOM BAR ──────────────────────────────────────────── */
.tsu-footer__bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}
.tsu-footer__bottom a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.tsu-footer__bottom a:hover { color: rgba(255,255,255,0.85); }
.tsu-footer__legal {
  display: flex;
  gap: 20px;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .tsu-footer__top {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .tsu-footer__brand {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .tsu-footer__desc { max-width: 100%; }
}
@media (max-width: 680px) {
  .tsu-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .tsu-footer__brand { grid-column: 1 / -1; flex-direction: column; }
}
@media (max-width: 400px) {
  .tsu-footer__top { grid-template-columns: 1fr; }
}