:root {
  
  --color-primary: #0A192F; 
  --color-secondary: #6C00FF; 
  --color-background: #1A1A1A; 
  --color-text: #FFFFFF; 
  --color-text-secondary: #CCCCCC; 
  --color-accent-cyan: #00FFFF; 
  --color-accent-magenta: #FF00FF; 
  --color-accent-green: #00FF41; 
  --color-shadow: rgba(108, 0, 255, 0.3); 
  --color-glow: rgba(0, 255, 255, 0.5); 

  --font-family-headings: 'Montserrat', sans-serif;
  --font-family-body: 'Rajdhani', sans-serif;
  --font-size-xl: 3.5rem;
  --font-size-lg: 2.5rem;
  --font-size-md: 1.75rem;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --shadow-sm: 0 2px 4px var(--color-shadow);
  --shadow-md: 0 4px 8px var(--color-shadow);
  --shadow-lg: 0 8px 16px var(--color-shadow);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --breakpoint-mobile: 320px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
}

body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-sm);
  font-family: var(--font-family-headings);
  font-weight: 700;
  line-height: var(--line-height-heading);
}

p {
  margin: 0 0 var(--spacing-sm);
}

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

a:hover,
a:focus {
  color: var(--color-accent-magenta);
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

body,
h1, h2, h3, h4, h5, h6,
p, a, button {
  color: var(--color-text);
  text-shadow: none; 
}

h1 { font-size: var(--font-size-xl); }
h2 { font-size: var(--font-size-lg); }
h3 { font-size: var(--font-size-md); }
h4 { font-size: var(--font-size-base); }
h5 { font-size: var(--font-size-sm); }
h6 { font-size: var(--font-size-sm); }

a:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
  border-radius: var(--border-radius);
}

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

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

.pl-flex-column {
  flex-direction: column;
}

.pl-justify-center {
  justify-content: center;
}

.pl-align-center {
  align-items: center;
}

.pl-grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

@media (min-width: 768px) {
  .pl-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  }
}

.row[class*='g-'] > [class*='col-']:has([class*='card']) {
  display: flex !important;
  flex-direction: column !important;
}

[class*='card'] {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pl-btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-accent-cyan);
  background: transparent;
  color: var(--color-accent-cyan);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pl-btn:hover,
.pl-btn:focus {
  background: var(--color-accent-cyan);
  color: var(--color-background);
  box-shadow: 0 0 20px var(--color-glow);
  transform: translateY(-2px);
}

.pl-btn-secondary {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.pl-btn-secondary:hover,
.pl-btn-secondary:focus {
  background: var(--color-secondary);
  color: var(--color-background);
  box-shadow: 0 0 20px var(--color-secondary);
}

.pl-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(108, 0, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.pl-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.pl-card:hover::before {
  left: 100%;
}

.pl-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-cyan);
}

.pl-card img {
  border-radius: var(--border-radius);
  transition: var(--transition);
}

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

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

.pl-form-input,
.pl-form-textarea,
.pl-form-select {
  width: 100%;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius);
  color: var(--color-text);
  transition: var(--transition);
}

.pl-form-input::placeholder,
.pl-form-textarea::placeholder {
  color: var(--color-text-secondary);
}

.pl-form-input:focus,
.pl-form-textarea:focus,
.pl-form-select:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 10px var(--color-glow);
  background: rgba(255, 255, 255, 0.15);
}

.pl-form-btn {
  @extend .pl-btn;
  width: 100%;
  margin-top: var(--spacing-sm);
}

.pl-navbar {
  background: rgba(26, 26, 26, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-secondary);
}

.pl-navbar .navbar-nav .nav-link {
  color: var(--color-text);
  position: relative;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  transition: var(--transition);
}

.pl-navbar .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent-cyan);
  transition: var(--transition);
}

.pl-navbar .navbar-nav .nav-link:hover::after,
.pl-navbar .navbar-nav .nav-link.active::after {
  width: 100%;
  left: 0;
}

.pl-navbar .navbar-nav .nav-link:hover,
.pl-navbar .navbar-nav .nav-link:focus {
  color: var(--color-accent-cyan);
}

.pl-navbar .navbar-toggler {
  border-color: var(--color-accent-cyan);
}

.pl-navbar .navbar-toggler:focus {
  box-shadow: 0 0 10px var(--color-glow);
}

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

.pl-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 25, 47, 0.7); 
  z-index: 1;
}

.pl-hero > * {
  position: relative;
  z-index: 2;
}

#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.pl-timeline {
  position: relative;
  padding: var(--spacing-xl) 0;
}

.pl-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent-cyan), var(--color-secondary));
  transform: translateX(-50%);
}

.pl-timeline-item {
  display: flex;
  margin: var(--spacing-lg) 0;
  position: relative;
}

.pl-timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.pl-timeline-content {
  width: 45%;
  padding: var(--spacing-md);
  background: var(--pl-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.pl-timeline-content:hover {
  transform: scale(1.05);
}

.pl-footer {
  background: var(--color-primary);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-secondary);
}

.pl-footer a {
  color: var(--color-text-secondary);
}

.pl-footer a:hover {
  color: var(--color-accent-cyan);
}

@media (min-width: var(--breakpoint-tablet)) {
  :root {
    --font-size-xl: 4.5rem;
    --font-size-lg: 3rem;
  }

  .pl-hero {
    min-height: 100vh;
  }

  .pl-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

@media (min-width: var(--breakpoint-desktop)) {
  :root {
    --font-size-xl: 5rem;
    --font-size-lg: 3.5rem;
  }

  .pl-container {
    padding: 0 var(--spacing-lg);
  }

  .pl-timeline::before {
    left: 50%;
  }

  .pl-timeline-item {
    margin: var(--spacing-2xl) 0;
  }
}

@media (max-width: var(--breakpoint-tablet) - 1px) {
  .pl-timeline::before {
    left: 20px;
  }

  .pl-timeline-item {
    flex-direction: column !important;
  }

  .pl-timeline-content {
    width: 100%;
    margin-left: var(--spacing-lg);
  }

  .pl-timeline-item:nth-child(even) .pl-timeline-content {
    margin-left: var(--spacing-lg);
    margin-right: 0;
  }
}

.pl-btn,
.pl-card,
.pl-navbar .nav-link,
.pl-form-input:focus {
  transition: var(--transition);
}

@keyframes glitch {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

.pl-glitch {
  animation: glitch 0.5s linear infinite;
}

.pl-neon-glow {
  box-shadow: 0 0 5px var(--color-accent-cyan), 0 0 10px var(--color-accent-cyan), 0 0 15px var(--color-accent-cyan), 0 0 20px var(--color-accent-cyan);
  transition: var(--transition);
}

img[data-src] {
  opacity: 0;
  transition: opacity 0.3s;
}

img[data-src].loaded {
  opacity: 1;
}

.fancybox__container {
  background: rgba(26, 26, 26, 0.95);
}

.fancybox__content {
  color: var(--color-text);
}

#particles-js canvas {
  display: block;
}