/* ============================================
   REUSABLE COMPONENTS
============================================ */

/* ============================================
   BUTTONS
============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-secondary:hover {
  background: var(--gray-200);
}

.btn-secondary-white {
  background: white;
  color: var(--primary-500);
  box-shadow: var(--shadow-md);
}

.btn-secondary-white:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Outline Button */
.btn-outline-primary {
  background: transparent;
  color: var(--primary-500);
  border: 2px solid var(--primary-500);
}

.btn-outline-primary:hover {
  background: var(--primary-500);
  color: white;
}

/* ============================================
   NAVIGATION BAR
============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(5, 12, 22, 0.95);
  /* --bg-dark with opacity */
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0 0 24px 24px;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

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

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  gap: var(--spacing-lg);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  text-decoration: none;
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  /* Clean white text on dark navbar */
  margin-left: 0.5rem;
}

.footer-logo-img {
  height: 60px;
  /* Resized larger as requested */
  width: auto;
  border-radius: var(--radius-md);
  margin-right: var(--spacing-sm);
  object-fit: contain;
}

.site-logo-img {
  height: 50px;
  border-radius: var(--radius-md);
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  padding: var(--spacing-xs) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--gray-300);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-500);
}

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

/* Mobile Menu Toggle (hidden on desktop) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex !important;
    z-index: 99999;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background: rgba(5, 12, 22, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 80px 2rem 2rem;
    transition: right 0.3s ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 1rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
}

/* ============================================
   CARDS
============================================ */

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   PROJECT CARDS
============================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.project-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-lg);
}

.project-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.project-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--gray-900);
}

.project-description {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
}

.project-tech {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.tech-tag {
  padding: 0.25rem 0.5rem;
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
}

/* ============================================
   FOOTER
============================================ */

.footer {
  background: var(--bg-dark);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  text-decoration: none;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  color: var(--gray-400);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-500);
  transform: translateY(-2px);
}

.footer-heading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: white;
  margin-bottom: var(--spacing-md);
}

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

.footer-links li,
.footer-contact li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-contact a {
  color: var(--gray-400);
  transition: color var(--transition-base);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--accent-400);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.footer-contact svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--gray-500);
  font-size: var(--text-sm);
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-bottom-links a {
  color: var(--gray-500);
  transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
  color: var(--accent-400);
}

/* ============================================
   SCROLL TO TOP BUTTON
============================================ */

.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  color: white;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(100px);
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   ADMIN ACCESS STYLING
============================================ */

/* Discreet Admin Link in Footer */
.admin-link {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem;
  opacity: 0.2;
  transition: all 0.3s ease;
  position: relative;
}

.admin-link:hover {
  opacity: 1;
  color: var(--primary-500);
  transform: scale(1.15);
}

.admin-link svg {
  width: 14px;
  height: 14px;
}

/* Tooltip on hover */
.admin-link::before {
  content: 'Admin Panel';
  position: absolute;
  bottom: 100%;
  right: 0;
  background: #1F2937;
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(5px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.admin-link:hover::before {
  opacity: 1;
  transform: translateY(-5px);
}

/* Logo pulse animation for secret access */
.logo {
  transition: transform 0.2s ease;
}

.logo.secret-activated {
  animation: secretPulse 0.4s ease;
}

@keyframes secretPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

/* Subtle admin link styling */
.footer-social .admin-secret {
  position: relative;
}

.footer-social .admin-secret:hover {
  transform: scale(1.1) rotate(5deg);
  opacity: 0.8;
}

/* Optional: Pulsing effect for those who know */
.footer-social .admin-secret::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 6px;
  height: 6px;
  background: #3B82F6;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s;
}

.footer-social .admin-secret:hover::after {
  opacity: 1;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.3);
    opacity: 0.5;
  }
}

/* ============================================
   END OF COMPONENTS
============================================ */