/*
╔══════════════════════════════════════════════════════════════╗
║  SKYNETLABS UI COMPONENTS                                     ║
║  Reusable Component Library                                   ║
║  Version: 2025.1.0                                            ║
╚══════════════════════════════════════════════════════════════╝
*/

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--duration-slow) var(--ease-out),
              height var(--duration-slow) var(--ease-out);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

/* Button Variants */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 20px var(--skynet-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--skynet-primary-glow);
}

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

.btn-secondary:hover {
  background: var(--skynet-primary);
  border-color: var(--skynet-primary);
  box-shadow: 0 4px 20px var(--skynet-primary-glow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--glass-border);
}

.btn-outline:hover {
  background: var(--glass-bg);
  border-color: var(--skynet-primary);
  box-shadow: 0 4px 20px var(--skynet-primary-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--skynet-primary);
}

.btn-ghost:hover {
  background: rgba(0, 240, 255, 0.1);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-6) var(--space-12);
  font-size: var(--text-lg);
}

.btn-xl {
  padding: var(--space-8) var(--space-16);
  font-size: var(--text-xl);
}

/* Icon Buttons */
.btn-icon {
  padding: var(--space-4);
  aspect-ratio: 1;
}

.btn-icon-lg {
  padding: var(--space-6);
  aspect-ratio: 1;
}

/* Button with Arrow Icon */
.btn-arrow::after {
  content: '→';
  font-size: 1.2em;
  transition: transform var(--duration-normal) var(--ease-out);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

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

.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-10px);
  border-color: var(--skynet-primary);
  box-shadow: var(--shadow-xl),
              0 0 30px var(--skynet-primary-glow);
}

.card:hover::before {
  opacity: 0.5;
}

/* Card Variants */
.card-service {
  text-align: center;
}

.card-service .card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.card-service:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-portfolio {
  position: relative;
  overflow: hidden;
}

.card-portfolio .card-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.card-portfolio .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, var(--skynet-dark) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  display: flex;
  align-items: flex-end;
  padding: var(--space-8);
}

.card-portfolio:hover .card-overlay {
  opacity: 1;
}

.card-testimonial {
  background: var(--glass-bg);
  position: relative;
}

.card-testimonial::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-size: 4rem;
  color: var(--skynet-primary);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.card-pricing {
  text-align: center;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
}

.card-pricing.featured {
  border-color: var(--skynet-primary);
  box-shadow: 0 0 40px var(--skynet-primary-glow);
  transform: scale(1.05);
}

.card-pricing .price {
  font-size: var(--text-h2);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: var(--space-4) 0;
}

/* ============================================
   🧭 NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-logo {
  font-size: var(--text-h4);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  color: var(--gray-300);
  text-decoration: none;
  font-weight: var(--weight-medium);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover {
  color: var(--white);
}

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

.nav-link.active {
  color: var(--skynet-primary);
}

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

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 30px;
  height: 3px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(9px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-9px);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--skynet-darker);
    padding: var(--space-8);
    transform: translateX(-100%);
    transition: transform var(--duration-normal) var(--ease-out);
  }

  .nav-menu.active {
    transform: translateX(0);
  }
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-top: none;
  padding: var(--space-12) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all var(--duration-normal) var(--ease-out);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.mega-menu-column h4 {
  color: var(--skynet-primary);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}

.mega-menu-links {
  list-style: none;
}

.mega-menu-links li {
  margin-bottom: var(--space-3);
}

.mega-menu-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
  display: block;
  padding: var(--space-2) 0;
}

.mega-menu-links a:hover {
  color: var(--white);
  padding-left: var(--space-2);
}

/* ============================================
   📊 STATS SECTION
   ============================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.stat-item {
  text-align: center;
  padding: var(--space-8);
}

.stat-number {
  font-size: var(--text-h1);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-lg);
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* ============================================
   🎯 CTA SECTIONS
   ============================================ */

.cta-section {
  position: relative;
  padding: var(--space-32) 0;
  background: var(--gradient-dark);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.3;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--text-h2);
  margin-bottom: var(--space-6);
}

.cta-description {
  font-size: var(--text-xl);
  color: var(--gray-300);
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   📝 FORMS
   ============================================ */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--gray-300);
  font-weight: var(--weight-medium);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--duration-normal) var(--ease-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--skynet-primary);
  box-shadow: 0 0 0 3px var(--skynet-primary-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-500);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--skynet-primary);
}

/* ============================================
   🎨 BADGES & TAGS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.badge-primary {
  background: var(--skynet-primary);
  color: var(--skynet-dark);
  border: none;
}

.badge-success {
  background: var(--success);
  color: var(--skynet-dark);
  border: none;
}

.badge-warning {
  background: var(--warning);
  color: var(--skynet-dark);
  border: none;
}

/* ============================================
   📜 ACCORDION / FAQ
   ============================================ */

.accordion-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.accordion-header {
  padding: var(--space-6);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.accordion-header:hover {
  background: rgba(0, 240, 255, 0.05);
}

.accordion-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin: 0;
}

.accordion-icon {
  transition: transform var(--duration-normal) var(--ease-out);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out),
              padding var(--duration-slow) var(--ease-out);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 var(--space-6) var(--space-6);
}

/* ============================================
   🎭 MODAL
   ============================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.modal-backdrop.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.modal-close {
  background: none;
  border: none;
  color: var(--white);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-2);
  transition: all var(--duration-fast) var(--ease-out);
}

.modal-close:hover {
  color: var(--skynet-primary);
  transform: rotate(90deg);
}

/* ============================================
   🎠 CAROUSEL / SLIDER
   ============================================ */

.carousel {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform var(--duration-slow) var(--ease-out);
}

.carousel-slide {
  min-width: 100%;
}

.carousel-controls {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-3);
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--glass-border);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.carousel-dot.active {
  background: var(--skynet-primary);
  box-shadow: 0 0 10px var(--skynet-primary-glow);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  font-size: var(--text-xl);
}

.carousel-arrow:hover {
  background: var(--skynet-primary);
  border-color: var(--skynet-primary);
  box-shadow: 0 0 20px var(--skynet-primary-glow);
}

.carousel-arrow.prev {
  left: var(--space-4);
}

.carousel-arrow.next {
  right: var(--space-4);
}

/* ============================================
   🏆 HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--skynet-dark);
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1200px;
  padding: var(--space-8);
}

.hero-title {
  font-size: var(--text-hero);
  margin-bottom: var(--space-6);
  animation: fadeInUp var(--duration-slower) var(--ease-out);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--gray-300);
  margin-bottom: var(--space-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp var(--duration-slower) var(--ease-out) 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp var(--duration-slower) var(--ease-out) 0.4s backwards;
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  justify-content: center;
  margin-top: var(--space-12);
  flex-wrap: wrap;
  animation: fadeInUp var(--duration-slower) var(--ease-out) 0.6s backwards;
}

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

.hero-stat-number {
  font-size: var(--text-h3);
  font-weight: var(--weight-extrabold);
  color: var(--skynet-primary);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--gray-400);
  text-transform: uppercase;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  cursor: pointer;
}

.scroll-indicator::before {
  content: '↓';
  font-size: var(--text-h3);
  color: var(--skynet-primary);
}

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

.footer {
  background: var(--skynet-darker);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-24) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

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

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.footer-links a:hover {
  color: var(--skynet-primary);
  padding-left: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-icon {
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.social-icon:hover {
  background: var(--skynet-primary);
  border-color: var(--skynet-primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px var(--skynet-primary-glow);
}