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

:root {
  --primary-color: #ffc107;
  --primary-dark: #e6a500;
  --secondary-color: #1a1a1a;
  --secondary-light: #303030;
  --text-light: #f8f9fa;
  --text-dark: #212529;
  --bg-light: #f5f7fa;
  --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-heavy: 0 4px 20px rgba(0,0,0,0.15);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--bg-light);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  background-color: var(--bg-light);
}

header {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 50%, #404040 100%);
  color: white;
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.9rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color) 0%, #ff9800 50%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: all 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
  text-decoration: none;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0.8rem;
  align-items: center;
}

.nav-list a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.nav-list a:hover,
.nav-list a.active {
  background: rgba(255,193,7,0.2);
  color: var(--primary-color);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.login-btn {
  background: linear-gradient(45deg, var(--primary-color), #ff9800);
  color: var(--text-dark);
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255,193,7,0.3);
}

.login-btn:hover {
  background: linear-gradient(45deg, #ff9800, var(--primary-color));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,193,7,0.4);
  text-decoration: none;
  color: var(--text-dark);
}

.hamburger-menu {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  overflow: hidden;
  transition: height 0.3s ease;
  z-index: 10000;
}

.mobile-menu.active {
  height: auto;
  min-height: 100vh;
}

.mobile-nav {
  padding: 100px 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-height: calc(100vh - 120px);
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 600;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  text-align: left;
  transition: all 0.3s ease;
  border: 1px solid rgba(255,193,7,0.1);
  background-color: rgba(255,193,7,0.05);
  color: white;
  text-decoration: none;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: rgba(255,193,7,0.2);
  transform: translateX(5px);
  border-color: rgba(255,193,7,0.3);
  color: var(--primary-color);
}

.mobile-actions {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,193,7,0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mobile-login-btn {
  background: linear-gradient(45deg, var(--primary-color), #ff9800);
  color: var(--text-dark);
  padding: 0.8rem 2rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 700;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255,193,7,0.3);
  width: 100%;
  max-width: 200px;
}

.mobile-login-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255,193,7,0.4);
  text-decoration: none;
  color: var(--text-dark);
}

footer {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  color: white;
  padding: 1.2rem 0;
  margin-top: 0;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color) 0%, #ff9800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links {
  display: flex;
  gap: 1.2rem;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.9rem;
}

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

.footer-contact {
  color: #ccc;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
  }

  .login-btn {
    display: none;
  }

  .hamburger-menu {
    display: block;
    z-index: 10001;
    position: relative;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-links {
    gap: 1rem;
  }

  body.menu-open {
    overflow: hidden;
  }
}

@media (max-width: 480px) {
  .nav {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.6rem;
  }

  .footer-content {
    padding: 0 1rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

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

.d-none {
  display: none;
}

.d-flex {
  display: flex;
}

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

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

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

.gap-1 {
  gap: 0.5rem;
}

.gap-2 {
  gap: 1rem;
}

.gap-3 {
  gap: 1.5rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.p-1 {
  padding: 0.5rem;
}

.p-2 {
  padding: 1rem;
}

.p-3 {
  padding: 1.5rem;
}

.px-1 {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.px-2 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.py-1 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.py-2 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}