/* ==========================================================================
   DENTALINS — FOOTER (footer.css)
   Tüm footer tek koyu navy arka plan üzerinde.
   Newsletter — ayrışık arka plansız, açık mavi bordered card panel.
   BEM: .footer
   ========================================================================== */

/* -----------------------------------------------------------------------
   BASE
   ----------------------------------------------------------------------- */

.footer {
  background: linear-gradient(170deg, var(--color-secondary-500) 0%, #060f1e 100%);
  color: rgba(255, 255, 255, 0.60);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  position: relative;
  overflow: hidden;
}

/* Subtle decorative glow — top left */
.footer::before {
  content: '';
  position: absolute;
  top: -120px;
  left: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(5, 160, 214, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.footer .container {
  position: relative;
  z-index: 1;
}


/* -----------------------------------------------------------------------
   NEWSLETTER PANEL
   İç kart: aynı dark bg, cyan border + subtle cyan tint ayrışımı sağlar
   ----------------------------------------------------------------------- */

.footer__newsletter {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-12) 0;
}

.footer__newsletter-card {
  background: linear-gradient(135deg, rgba(5, 160, 214, 0.07) 0%, rgba(5, 160, 214, 0.02) 100%);
  border: 1px solid rgba(5, 160, 214, 0.20);
  border-top: 3px solid var(--color-primary-500);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-10);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  box-shadow: 0 0 60px rgba(5, 160, 214, 0.08), 0 4px 24px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--color-primary-500);
}

/* Subtle inner shine accent */
.footer__newsletter-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle at top right, rgba(5, 160, 214, 0.10) 0%, transparent 65%);
  pointer-events: none;
}

/* Çok küçük ekranlar (≤ 360px) */
@media (max-width: 360px) {
  .footer__newsletter {
    padding: var(--space-6) 0;
  }

  .footer__newsletter-card {
    padding: var(--space-5) var(--space-4);
    border-radius: var(--radius-lg);
    gap: var(--space-5);
  }

  .footer__newsletter-title {
    font-size: var(--text-base);
  }

  .footer__newsletter-desc {
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
  }

  .footer__newsletter-benefits {
    flex-direction: column;
    gap: var(--space-2);
  }

  .footer__newsletter-btn-text {
    display: none;
  }

  .footer__newsletter-btn {
    padding: 0 var(--space-4);
  }
}

/* Mobile (361px – 479px) */
@media (min-width: 361px) and (max-width: 479px) {
  .footer__newsletter {
    padding: var(--space-8) 0;
  }

  .footer__newsletter-card {
    padding: var(--space-6) var(--space-5);
    border-radius: var(--radius-lg);
    gap: var(--space-6);
  }

  .footer__newsletter-title {
    font-size: var(--text-lg);
  }

  .footer__newsletter-desc {
    font-size: var(--text-xs);
    margin-bottom: var(--space-3);
  }

  .footer__newsletter-benefits {
    flex-direction: column;
    gap: var(--space-2);
  }

  .footer__newsletter-btn-text {
    display: none;
  }

  .footer__newsletter-btn {
    padding: 0 var(--space-4);
  }
}

/* Small — orta boyut geçiş */
@media (min-width: 480px) and (max-width: 899px) {
  .footer__newsletter {
    padding: var(--space-10) 0;
  }

  .footer__newsletter-card {
    padding: var(--space-7) var(--space-8);
    gap: var(--space-7);
  }
}

/* Desktop — 2 kolon grid */
@media (min-width: 900px) {
  .footer__newsletter-card {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-12);
    padding: var(--space-10) var(--space-12);
  }
}

/* Copy side */
.footer__newsletter-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.footer__newsletter-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background-color: rgba(5, 160, 214, 0.12);
  color: var(--color-primary-400);
  flex-shrink: 0;
}

.footer__newsletter-icon svg {
  width: 16px;
  height: 16px;
}

.footer__newsletter-tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-primary-400);
}

.footer__newsletter-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-neutral-0);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .footer__newsletter-title {
    font-size: var(--text-2xl);
  }
}

.footer__newsletter-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.footer__newsletter-benefits {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
}

.footer__newsletter-benefits li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.60);
}

.footer__newsletter-benefits li svg {
  flex-shrink: 0;
  color: var(--color-primary-400);
}

/* Form side */
.footer__newsletter-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--space-3);
}

.footer__newsletter-field {
  display: flex;
  align-items: stretch;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
  margin-bottom: var(--space-3);
}

.footer__newsletter-field:focus-within {
  border-color: rgba(5, 160, 214, 0.50);
}

.footer__newsletter-field-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3) 0 var(--space-4);
  color: rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

.footer__newsletter-input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-2);
  background: transparent;
  border: none;
  outline: none;
  font-size: var(--text-sm);
  color: var(--color-neutral-0);
  font-family: inherit;
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.30);
}

.footer__newsletter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-shrink: 0;
  align-self: stretch;
  padding: 0 var(--space-5);
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
  color: var(--color-neutral-0);
  border: none;
  border-radius: 0;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  margin: 0;
}

.footer__newsletter-btn:hover {
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-500) 100%);
  box-shadow: 0 4px 14px rgba(5, 160, 214, 0.35);
}

.footer__newsletter-btn svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.footer__newsletter-btn:hover svg {
  transform: translateX(3px);
}

.footer__newsletter-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.30);
  line-height: 1.5;
}

.footer__newsletter-note svg {
  flex-shrink: 0;
  margin-top: 1px;
}


/* -----------------------------------------------------------------------
   MAIN GRID — 4 kolon
   ----------------------------------------------------------------------- */

.footer__main {
  padding: var(--space-14) 0 var(--space-12);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8) var(--space-6);
  }
  .footer__col--brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-10);
  }
  .footer__col--brand {
    grid-column: auto;
  }
}


/* -----------------------------------------------------------------------
   BRAND COLUMN
   ----------------------------------------------------------------------- */

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.footer__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.footer__logo-brand {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-neutral-0);
  letter-spacing: var(--tracking-tight);
}

.footer__logo-tagline {
  font-size: 10px;
  font-weight: var(--weight-medium);
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: 3px;
}

.footer__desc {
  color: rgba(255, 255, 255, 0.50);
  line-height: var(--leading-relaxed);
  max-width: 280px;
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: rgba(255, 255, 255, 0.40);
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: var(--color-neutral-0);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(5, 160, 214, 0.30);
}

.footer__social-link svg {
  flex-shrink: 0;
}


/* -----------------------------------------------------------------------
   COLUMN HEADERS
   ----------------------------------------------------------------------- */

.footer__col-title {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-0);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  position: relative;
}

.footer__col-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-400) 0%, transparent 100%);
  border-radius: 1px;
}


/* -----------------------------------------------------------------------
   LINKS
   ----------------------------------------------------------------------- */

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer__link {
  position: relative;
  display: block;
  color: rgba(255, 255, 255, 0.50);
  text-decoration: none;
  padding: 5px 0 5px 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__link::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 2px solid var(--color-primary-400);
  border-top: 2px solid var(--color-primary-400);
  transform: translateY(-50%) rotate(45deg);
  opacity: 0;
  transition: opacity var(--transition-fast), left var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary-300);
  padding-left: 14px;
}

.footer__link:hover::before {
  opacity: 1;
  left: 0;
}


/* -----------------------------------------------------------------------
   CONTACT LIST
   ----------------------------------------------------------------------- */

.footer__contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__contact-item {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  color: rgba(255, 255, 255, 0.50);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

.footer__contact-icon {
  flex-shrink: 0;
  color: var(--color-primary-400);
}


.footer__contact-item a {
  color: rgba(255, 255, 255, 0.50);
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.footer__contact-item a:hover {
  color: var(--color-primary-300);
  padding-left: 14px;
}


/* -----------------------------------------------------------------------
   BOTTOM BAR
   ----------------------------------------------------------------------- */

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-5) 0;
  background-color: rgba(0, 0, 0, 0.20);
  /* Mobile bottom bar offset */
  padding-bottom: calc(var(--space-5) + 72px);
}

@media (min-width: 768px) {
  .footer__bottom {
    padding-bottom: var(--space-5);
  }
}

.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.25);
  font-size: var(--text-xs);
  margin: 0;
}

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

.footer__legal-link {
  color: rgba(255, 255, 255, 0.25);
  text-decoration: none;
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: rgba(255, 255, 255, 0.65);
}