:root {
  --primary-orange: #ff6b35;
  --dark-navy: #1e3a5f;
  --teal: #26c6da;
  --light-gray-bg: #f5f7fa;
  --text-gray: #6c757d;
  --dark-footer: #2c3e50;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--dark-navy);
  background: var(--light-gray-bg);
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
}

/* Navbar */
.navbar {
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.navbar-brand {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-orange) !important;
  letter-spacing: 1px;
}

.navbar-nav .nav-link {
  color: var(--dark-navy);
  font-weight: 500;
  margin: 0 0.5rem;
  transition: color 0.3s ease;
}

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

.lang-selector {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--primary-orange);
  border-radius: 20px;
  color: var(--primary-orange);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--primary-orange);
  color: white;
}

/* Profile Section */
.profile-section {
  padding: 80px 0;
}

.profile-header {
  background: linear-gradient(135deg, var(--primary-orange) 0%, #ff8c5a 100%);
  color: white;
  padding: 60px 0 40px;
  border-radius: 20px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.profile-header::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  top: -100px;
  right: -100px;
}

.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-orange);
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.profile-name {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.profile-email {
  opacity: 0.95;
  position: relative;
  z-index: 1;
}

.profile-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  opacity: 0.9;
  font-size: 0.95rem;
}

/* Profile Content */
.profile-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
}

.profile-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.profile-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.nav-menu {
  list-style: none;
  padding: 0;
}

.nav-menu li {
  margin-bottom: 10px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 15px;
  color: var(--text-gray);
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: #fff5f2;
  color: var(--primary-orange);
}

.nav-menu i {
  width: 20px;
  text-align: center;
}

.section-title {
  font-size: 1.5rem;
  color: var(--dark-navy);
  margin-bottom: 1.5rem;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--light-gray-bg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--dark-navy);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 12px 20px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  background: #f8f9fa;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-orange);
  background: white;
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.btn-primary-custom {
  background: var(--primary-orange);
  color: white;
  padding: 12px 30px;
  border-radius: 10px;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary-custom:hover {
  background: #e55a2a;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

.btn-secondary-custom {
  background: transparent;
  color: var(--text-gray);
  padding: 12px 30px;
  border-radius: 10px;
  font-weight: 600;
  border: 2px solid #e0e0e0;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary-custom:hover {
  border-color: var(--primary-orange);
  color: var(--primary-orange);
}

/* Course Cards */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.course-item {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.course-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.course-image {
  height: 150px;
  background: linear-gradient(135deg, var(--teal) 0%, #4dd0e1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
}

.course-content {
  padding: 20px;
}

.course-title {
  font-size: 1.1rem;
  color: var(--dark-navy);
  margin-bottom: 10px;
}

.progress-bar-wrapper {
  background: var(--light-gray-bg);
  height: 8px;
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-orange) 0%, #ff8c5a 100%);
  border-radius: 10px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.85rem;
  color: var(--text-gray);
}

/* Footer */
.footer {
  background: var(--dark-footer);
  color: white;
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer h5 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-orange);
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-icon:hover {
  background: var(--primary-orange);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
  color: white;
}

@media (max-width: 992px) {
  .profile-content {
    grid-template-columns: 1fr;
  }

  .profile-stats {
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1.2rem;
  }

  .course-grid {
    grid-template-columns: 1fr;
  }
}