/* =========================================
   COMPONENTS.CSS
   Tekrar eden UI bileşenleri: Badge, Tooltip,
   Scroll-to-top butonu, Loading vb.
   ========================================= */

/* --- Scroll-to-Top Butonu --- */
#scrollToTop {
  position: fixed;
  bottom: 36px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(10, 46, 92, 0.25);
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
  z-index: 999;
}

#scrollToTop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#scrollToTop:hover {
  background: var(--color-secondary);
}

#scrollToTop svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Aktif Nav Link Alt Çizgisi --- */
.main-nav a {
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* --- Responsive Temel Çerçeve --- */
@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
  }
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
  }
  .hero-title {
    font-size: 48px;
  }
  .about-inner {
    grid-template-columns: 1fr;
  }
  .about-img-wrap {
    min-height: 320px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .process-grid::before {
    display: none;
  }
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-nav {
    display: none; /* Mobil menü ileriki geliştirmede eklenecek */
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 100%;
  }
  .hero-title {
    font-size: 36px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-header-right {
    align-items: flex-start;
    text-align: left;
  }
  .footer-bottom .container {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}