/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Colors - Dark Theme */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-tertiary: #1a1a1a;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b3b3b3;
  --color-text-muted: #666666;
  
  /* Accent Colors */
--color-accent-blue: #d4af37;      /* Gold */
--color-accent-purple: #bfa5e2;    /* Soft royal purple */
--color-accent-green: #a3c9a8;     /* Sage green / desaturated luxury tone */
--color-accent-gradient: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));

  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-backdrop: blur(10px);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --nav-height: 80px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-cursor: 9999;
  --z-loading: 9998;
  --z-nav: 1000;
  --z-modal: 999;
  --z-overlay: 100;
}

/* Light Theme Variables */
[data-theme="light"] {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #e9ecef;
  --color-text-primary: #212529;
  --color-text-secondary: #495057;
  --color-text-muted: #6c757d;
  --glass-bg: rgba(0, 0, 0, 0.05);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

html {
  /* Disable native smooth scroll - let GSAP handle it */
  scroll-behavior: auto;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
  position: relative;
}

/* ===== ANIMATED BACKGROUND LINES ===== */
.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.background-svg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.bg-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 3s ease-in-out infinite alternate;
  filter: blur(0.5px);
  will-change: transform, opacity;
}

.bg-line.line-1 {
  animation-delay: 0s;
  animation-duration: 4s;
}

.bg-line.line-2 {
  animation-delay: 0.5s;
  animation-duration: 5s;
}

.bg-line.line-3 {
  animation-delay: 1s;
  animation-duration: 6s;
}

.bg-line.line-4 {
  animation-delay: 1.5s;
  animation-duration: 4.5s;
}

.bg-line.line-5 {
  animation-delay: 2s;
  animation-duration: 5.5s;
}

.bg-line.line-6 {
  animation-delay: 2.5s;
  animation-duration: 3.5s;
}

@keyframes drawLine {
  0% {
    stroke-dashoffset: 1000;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 0.8;
  }
}

/* Ensure main content is above background */
.main {
  position: relative;
  z-index: 2;
}

.nav {
  z-index: var(--z-nav);
}

/* Responsive adjustments for background */
@media (max-width: 768px) {
  .animated-background {
    opacity: 0.7; /* Reduce opacity on mobile for better readability */
  }

  .bg-line {
    stroke-width: 1px; /* Thinner lines on mobile */
    filter: blur(0.3px); /* Less blur on mobile */
  }
}

@media (max-width: 480px) {
  .animated-background {
    opacity: 0.5; /* Further reduce on very small screens */
  }

  .bg-line.line-4,
  .bg-line.line-5,
  .bg-line.line-6 {
    display: none; /* Hide some lines on very small screens */
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent-blue);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-purple);
}

/* ===== SMOOTH FOLLOWER CURSOR ===== */
#smooth-cursor {
  pointer-events: none;
  z-index: var(--z-cursor);
  transition: opacity 0.3s ease;
}

.cursor-dot {
  background-color: var(--color-text-primary);
  transition: none;
}

.cursor-border {
  border-color: var(--color-text-primary);
  transition: width 0.3s ease, height 0.3s ease;
}

/* Theme-specific cursor colors */
[data-theme="dark"] .cursor-dot {
  background-color: #ffffff;
}

[data-theme="dark"] .cursor-border {
  border-color: #ffffff;
}

[data-theme="light"] .cursor-dot {
  background-color: #000000;
}

[data-theme="light"] .cursor-border {
  border-color: #000000;
}

/* Hide cursor on touch devices */
@media (hover: none) {
  #smooth-cursor {
    display: none !important;
  }
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loading);
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-text {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-mono);
}

.loading-char {
  display: inline-block;
  opacity: 0;
  animation: loadingChar 1.5s ease-in-out infinite;
}

.loading-char:nth-child(1) { animation-delay: 0.1s; }
.loading-char:nth-child(2) { animation-delay: 0.2s; }
.loading-char:nth-child(3) { animation-delay: 0.3s; }
.loading-char:nth-child(4) { animation-delay: 0.4s; }
.loading-char:nth-child(5) { animation-delay: 0.5s; }
.loading-char:nth-child(6) { animation-delay: 0.6s; }
.loading-char:nth-child(7) { animation-delay: 0.7s; }

.loading-progress {
  width: 200px;
  height: 4px;
  background: var(--color-bg-secondary);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.loading-bar {
  height: 100%;
  background: var(--color-accent-gradient);
  width: 0%;
  animation: loadingProgress 2s ease-in-out infinite;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--glass-border);
  z-index: var(--z-nav);
  transition: transform var(--transition-normal);
}

.nav.hidden {
  transform: translateY(-100%);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  position: relative;
  height: 40px;
}

.logo-image {
  height: 40px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  transition: all var(--transition-normal);
  position: absolute;
  top: 0;
  left: 0;
}

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

/* Theme-based logo visibility */
.logo-dark {
  opacity: 1;
  visibility: visible;
}

.logo-light {
  opacity: 0;
  visibility: hidden;
}

[data-theme="light"] .logo-dark {
  opacity: 0;
  visibility: hidden;
}

[data-theme="light"] .logo-light {
  opacity: 1;
  visibility: visible;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  transition: width var(--transition-normal);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: background var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--glass-bg);
}

.theme-icon {
  display: block;
  transition: transform var(--transition-normal);
}

.theme-icon-dark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
}

[data-theme="dark"] .theme-icon-light {
  transform: scale(0);
}

[data-theme="dark"] .theme-icon-dark {
  transform: translate(-50%, -50%) scale(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  gap: 4px;
}

.nav-toggle-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-normal);
}

/* Burger menu animation */
.nav-toggle.active .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active .nav-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.scroll-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  width: 0%;
  transition: width var(--transition-fast);
}

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

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 1px 1px 25px rgb(210 174 75);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-bg);
  transform: translateY(-2px);
}

.btn-arrow {
  transition: transform var(--transition-normal);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== ANIMATIONS ===== */
@keyframes loadingChar {
  0%, 100% { opacity: 0; transform: translateY(10px); }
  50% { opacity: 1; transform: translateY(0); }
}

@keyframes loadingProgress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow);
  border-color: var(--color-accent-blue);
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.1),
    transparent
  );
  transition: left var(--transition-slow);
}

.contact-item:hover::before {
  left: 100%;
}

.contact-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-gradient);
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-details p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.contact-item:hover .contact-details p {
  text-decoration: underline;
  color: var(--color-accent-blue);
}

.contact-form {
  padding: var(--spacing-xl);
}

.form-group {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-group label {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
  pointer-events: none;
  background: var(--color-bg-primary);
  padding: 0 var(--spacing-xs);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
  top: -8px;
  font-size: 0.8rem;
  color: var(--color-accent-blue);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .contact-item {
    padding: var(--spacing-md);
  }

  .contact-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: rgba(0, 0, 0, 0.95); /* Dark background for dark theme */
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: var(--z-modal);
  }

  /* Light theme mobile menu background */
  [data-theme="light"] .nav-menu {
    background: rgba(255, 255, 255, 0.95);
  }

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

  .nav-link {
    font-size: 1.5rem;
    font-weight: 600;
  }

  .nav-toggle {
    display: flex;
  }

  .section-title {
    font-size: 2rem;
  }

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

.tech-tags-modal {
  display: flex;
  flex-wrap: wrap;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
}