/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: var(--theme-transition);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* Base Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--theme-transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-creative);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo span {
  font-weight: 400;
  color: var(--text-primary);
  -webkit-text-fill-color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-creative);
  transition: width 0.3s ease;
}

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

/* Navigation Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-arrow-icon {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-arrow-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 0.75rem 0;
  width: 180px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1020;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
  width: 100%;
}

.dropdown-menu a {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.dropdown-menu a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-menu a::after {
  display: none !important; /* Hide global hover underline for dropdown links */
}

/* Mobile dropdown adjustment */
@media (max-width: 992px) {
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0.5rem 0 0 1rem;
    width: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .dropdown-menu a {
    padding: 0.4rem 1rem;
  }
}

/* Actions Menu */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Theme Switcher Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-glass-hover);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  padding: 5px;
  z-index: 1010;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

/* Mobile Nav Styles */
@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: right 0.4s cubic-bezier(0.77,0.2,0.05,1.0);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    right: 0;
  }

  /* Hamburger Menu Active Animation */
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5deg, 6px);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5deg, -7px);
  }
}

/* Footer styling */
.footer {
  background: var(--bg-secondary);
  padding: 5rem 0 2rem;
  margin-top: 5rem;
  transition: var(--theme-transition);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.footer-info p {
  color: var(--text-secondary);
  margin-top: 1.5rem;
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-purple);
  padding-left: 5px;
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: var(--gradient-creative);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

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

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.animate-fade-in {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}