html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  font-family: 'Roboto', sans-serif;
}

/* Modern tasarım için eklenen stiller */
:root {
  --primary-color: #0d6efd;
  --primary-dark: #0b5ed7;
  --secondary-color: #6c757d;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --white-color: #ffffff;
  --success-color: #198754;
  --accent-color: #ff8800;
}

.hero-section {
  position: relative;
  background: var(--dark-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-top: 2rem;
  padding: 3rem 0;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
    color: #111 !important; /* koyu yazı */
    text-shadow: 0 1px 3px rgba(0,0,0,0.3); /* okunabilirlik artar */
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
  margin-bottom: 2rem;
  font-size: 1.1rem;
  line-height: 1.6;
}

.hero-image {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.hero-image:hover {
  transform: translateY(-5px);
}

.feature-card {
  padding: 2rem;
  border-radius: 10px;
  background: var(--white-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border-radius: 50%;
  background: var(--primary-color);
}

.feature-icon img {
  width: 40px;
  height: 40px;
}

.feature-title {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.feature-description {
  color: var(--secondary-color);
  line-height: 1.6;
}

.testimonial-section {
  background-color: var(--light-color);
  border-radius: 10px;
  padding: 3rem 2rem;
  margin: 3rem 0;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-text {
  font-style: italic;
  line-height: 1.8;
  font-size: 1.1rem;
  color: var(--dark-color);
}

.product-card {
  border: none;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-card .card-img-top {
  height: 240px;
  object-fit: cover;
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.call-to-action {
  border-radius: 10px;
  padding: 3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.2);
}

.btn-custom {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.btn-custom:hover {
  background-color: #e67c02;
  border-color: #e67c02;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 136, 0, 0.3);
}

.navbar-custom {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-link {
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.rounded-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}