/* Shifter Online - Main Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-orange: #ff7a00;
  --primary-yellow: #ffb347;
  --dark-bg: #1a1a2e;
  --light-bg: #f8f9fa;
  --text-dark: #2d3748;
  --text-light: #ffffff;
  --text-gray: #718096;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(255, 122, 0, 0.15);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--text-light);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

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

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-orange), var(--primary-yellow));
  transition: width 0.3s;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.btn-login {
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  color: white;
  border: none;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 3px;
  transition: all 0.3s;
}

/* Buttons */
.btn {
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: white;
  color: var(--primary-orange);
  border: 2px solid var(--primary-orange);
}

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

/* Sections */
section {
  padding: 5rem 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--text-gray);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

/* Cards */
.card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: var(--text-light);
  padding: 3rem 2rem 1rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--primary-yellow);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s;
}

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

.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;
  transition: background 0.3s;
}

.social-icon:hover {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-gray);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: white;
    width: 100%;
    text-align: center;
    transition: left 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
  }

  .nav-menu.active {
    left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .section-title {
    font-size: 2rem;
  }

  section {
    padding: 3rem 1rem;
  }
}