:root {
  /* Ana Renk Paleti */
  --primary-color: #1364b9;
  --secondary-color: #e6bd45;
  --white-color: #ffffff;
  --light-gray: #f8f9fa;
  --dark-gray: #343a40;
  --text-color: #212529;
  --bg-light: #f5f5f5;

  /* Gölgeler */
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --hover-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Roboto", "Segoe UI", sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--white-color);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--secondary-color);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 80px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white-color);
}

.btn-primary:hover {
  background-color: #0d529a;
  box-shadow: var(--hover-shadow);
  color: var(--white-color);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-color);
}

.btn-secondary:hover {
  background-color: #d1a82e;
  box-shadow: var(--hover-shadow);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: var(--white-color);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
}

.text-primary {
  color: var(--primary-color);
}

.text-secondary {
  color: var(--secondary-color);
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

/* Spacing utilities */
.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}
.mt-5 {
  margin-top: 3rem;
}

.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}
.mb-5 {
  margin-bottom: 3rem;
}

/* Flexbox utilities */
.d-flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-content-between {
  justify-content: space-between;
}

.justify-content-center {
  justify-content: center;
}

.align-items-center {
  align-items: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 992px) {
  h1 {
    font-size: 2.2rem;
  }
  h2 {
    font-size: 1.8rem;
  }
  h3 {
    font-size: 1.6rem;
  }
  h4 {
    font-size: 1.4rem;
  }
  .section {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.6rem;
  }
  h3 {
    font-size: 1.4rem;
  }
  h4 {
    font-size: 1.3rem;
  }
  .section {
    padding: 50px 0;
  }
  .btn {
    padding: 10px 22px;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.8rem;
  }
  h2 {
    font-size: 1.5rem;
  }
  h3 {
    font-size: 1.3rem;
  }
  h4 {
    font-size: 1.2rem;
  }
  .section {
    padding: 40px 0;
  }
}