/* ============================================
   IT Skillbox Pro - Cyberpunk Glass Morphism Theme
   ============================================ */

/* ====== ROOT VARIABLES ====== */
:root {
  /* Cyberpunk Colors */
  --neon-cyan: #00e5ff;
  --neon-magenta: #ff00ff;
  --neon-purple: #a855f7;
  --neon-blue: #3b82f6;

  /* Dark Background Colors */
  --bg-dark: #0a0a0f;
  --bg-dark-secondary: #13131a;
  --bg-dark-card: rgba(19, 19, 26, 0.7);

  /* Glass Morphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b4b4b4;
  --text-muted: #6b7280;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ====== RESET & BASE STYLES ====== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Fancy Futuristic Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(45deg, transparent 30%, rgba(0, 229, 255, 0.03) 30%, rgba(0, 229, 255, 0.03) 70%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(255, 0, 255, 0.03) 30%, rgba(255, 0, 255, 0.03) 70%, transparent 70%);
  background-size: 100px 100px;
  z-index: -1;
  pointer-events: none;
}

/* Gradient Background Overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at top, rgba(0, 229, 255, 0.1) 0%, transparent 50%),
              radial-gradient(ellipse at bottom, rgba(255, 0, 255, 0.1) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-primary);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--neon-magenta);
}

/* ====== CONTAINER ====== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ====== HEADER & NAVIGATION ====== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: var(--transition-normal);
}

header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo img {
  height: 40px;
  width: auto;
}

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

.nav-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  transform: translateX(-50%);
  transition: var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--neon-cyan);
}

.nav-menu a:hover::after {
  width: 80%;
}

.nav-menu a.active {
  color: var(--neon-cyan);
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--neon-cyan);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-phone:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--neon-cyan);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--neon-cyan);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ====== BUTTONS ====== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  color: var(--text-primary);
  box-shadow: 0 5px 20px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 2px solid var(--neon-magenta);
  color: var(--neon-magenta);
}

.btn-secondary:hover {
  background: rgba(255, 0, 255, 0.1);
  transform: translateY(-3px);
}

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

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
  transform: translateY(-3px);
}

/* ====== GLASS CARD ====== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: -1;
}

.glass-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.glass-card:hover::before {
  opacity: 1;
}

/* ====== HERO SECTION ====== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.05) 0%, transparent 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../img/img_hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  z-index: 1;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.4s both;
}

/* ====== SECTION STYLES ====== */
section {
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ====== GRID LAYOUTS ====== */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ====== SERVICE CARDS ====== */
.service-card {
  text-align: center;
}

.service-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-normal);
}

.service-card:hover img {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 229, 255, 0.3);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

/* ====== TEAM CARDS ====== */
.team-card {
  text-align: center;
}

.team-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: var(--spacing-sm);
  border: 3px solid transparent;
  background: linear-gradient(var(--bg-dark), var(--bg-dark)) padding-box,
              linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta)) border-box;
  transition: var(--transition-normal);
}

.team-card:hover img {
  transform: scale(1.05);
}

.team-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--neon-cyan);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

/* ====== TESTIMONIAL CARDS ====== */
.testimonial-card {
  padding: var(--spacing-md);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 0;
  left: var(--spacing-sm);
  font-size: 6rem;
  color: var(--neon-cyan);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-name {
  font-weight: 700;
}

.testimonial-position {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ====== BLOG/ARTICLE CARDS ====== */
.article-card {
  overflow: hidden;
  cursor: pointer;
}

.article-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-normal);
}

.article-card:hover img {
  transform: scale(1.1);
}

.article-meta {
  display: flex;
  gap: var(--spacing-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.article-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.article-excerpt {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* ====== COURSE CARDS ====== */
.course-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.course-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  color: var(--text-primary);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  align-self: flex-start;
}

.course-duration {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: auto;
}

/* ====== CONTACT SECTION ====== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
}

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

/* ====== FOOTER ====== */
footer {
  background: var(--bg-dark-secondary);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto var(--spacing-lg);
}

.footer-section h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--neon-cyan);
}

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

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

.footer-section ul li a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--neon-cyan);
  padding-left: 0.5rem;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  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;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
}

/* ====== COOKIE BANNER ====== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner p {
  margin: 0;
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cookie-buttons .btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* AOS Animation Overrides */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: var(--bg-dark-secondary);
    backdrop-filter: blur(20px);
    width: 100%;
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    border-bottom: 1px solid var(--glass-border);
  }

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

  .menu-toggle {
    display: flex;
  }

  .nav-phone {
    display: none;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero {
    min-height: 80vh;
    padding: calc(80px + var(--spacing-md)) var(--spacing-sm) var(--spacing-md);
  }

  .hero-cta {
    flex-direction: column;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* ====== UTILITY CLASSES ====== */
.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}