:root {
  --xm-primary: #FF4500;
  --xm-secondary: #00CED1;
  --xm-dark: #1a1a1a;
  --xm-light: #f8f9fa;
  --xm-white: #ffffff;
}

/* Reset ve Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--xm-light);
}

body {
  display: flex;
  flex-direction: column;
}

/* Header / Navbar */
header {
  background-color: var(--xm-dark) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 1030;
  padding: 0.5rem 0;
}

header .navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--xm-primary) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

header .navbar-brand img {
  height: 2.5rem;
  width: auto;
}

header .nav-link {
  color: var(--xm-light) !important;
  font-weight: 500;
  transition: color 0.3s ease;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
}

header .nav-link:hover {
  color: var(--xm-primary) !important;
}

header .nav-link.active {
  color: var(--xm-primary) !important;
  border-bottom: 2px solid var(--xm-primary);
}

header .navbar-toggler {
  border-color: var(--xm-primary);
}

header .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FF4500' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Main Content */
main {
  flex: 1;
  padding: 2rem 0;
}

.container-fluid {
  height: 100%;
}

.page-content {
  background-color: var(--xm-white);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  margin-bottom: 2rem;
}

/* Tablet/Responsive */
@media (max-width: 768px) {
  main {
    padding: 1rem 0;
  }
  
  .page-content {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  header .navbar-brand img {
    height: 2rem;
  }
  
  header .nav-link {
    margin-left: 0;
    margin-right: 0;
    padding: 0.5rem 0 !important;
  }
}

/* Footer */
footer {
  background-color: var(--xm-dark);
  color: var(--xm-light);
  padding: 2rem 0;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer .footer-section {
  margin-bottom: 1.5rem;
}

footer .footer-section h5 {
  color: var(--xm-primary);
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

footer a {
  color: var(--xm-light);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  display: block;
  margin-bottom: 0.5rem;
}

footer a:hover {
  color: var(--xm-primary);
}

footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

footer .social-icons a {
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: rgba(255, 69, 0, 0.2);
  color: var(--xm-primary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

footer .social-icons a:hover {
  background-color: var(--xm-primary);
  color: var(--xm-white);
}

@media (max-width: 768px) {
  footer {
    padding: 1.5rem 0;
  }
  
  footer .footer-section {
    margin-bottom: 1rem;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--xm-dark) 0%, rgba(26, 26, 26, 0.8) 100%);
  color: var(--xm-white);
  padding: 4rem 2rem;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 69, 0, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.hero .accent {
  color: var(--xm-primary);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
  margin-bottom: 1.5rem;
}

.hero .btn-primary {
  background-color: var(--xm-primary) !important;
  border-color: var(--xm-primary) !important;
  color: var(--xm-white) !important;
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: all 0.3s ease;
}

.hero .btn-primary:hover {
  background-color: #e63900 !important;
  border-color: #e63900 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 69, 0, 0.3);
}

/* Cards */
.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.card-header {
  background-color: var(--xm-light);
  border-bottom: 2px solid var(--xm-primary);
  color: var(--xm-dark);
  font-weight: 600;
}

/* Buttons */
.btn-primary {
  background-color: var(--xm-primary) !important;
  border-color: var(--xm-primary) !important;
  color: var(--xm-white) !important;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #e63900 !important;
  border-color: #e63900 !important;
  transform: translateY(-2px);
}

.btn-outline-primary {
  color: var(--xm-primary) !important;
  border-color: var(--xm-primary) !important;
}

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

/* Badge */
.badge-primary {
  background-color: var(--xm-primary) !important;
}

/* Links */
a {
  color: var(--xm-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #e63900;
  text-decoration: underline;
}

/* Heading */
h1, h2, h3, h4, h5, h6 {
  color: var(--xm-dark);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Info Box */
.info-box {
  background: linear-gradient(135deg, rgba(255, 69, 0, 0.05) 0%, rgba(0, 206, 209, 0.05) 100%);
  border-left: 4px solid var(--xm-primary);
  padding: 1rem;
  border-radius: 0.25rem;
  margin-bottom: 1rem;
}

/* Responsive Text */
@media (max-width: 576px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}