/* Holographic Concentric Rings for Logo */
.holo-rings {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 0.5rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.holo-rings .ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
  pointer-events: none;
  animation: holoRingSpin 7s linear infinite;
}
.holo-rings .ring.ring1 {
  width: 120px; height: 120px;
  border: 2.5px solid var(--color-neon-cyan);
  box-shadow: 0 0 32px 4px var(--color-neon-cyan);
  animation-delay: 0s;
}
.holo-rings .ring.ring2 {
  width: 90px; height: 90px;
  border: 2.5px solid var(--color-neon-purple);
  box-shadow: 0 0 24px 2px var(--color-neon-purple);
  animation-delay: 2s;
}
.holo-rings .ring.ring3 {
  width: 60px; height: 60px;
  border: 2.5px solid var(--color-neon-pink);
  box-shadow: 0 0 16px 2px var(--color-neon-pink);
  animation-delay: 4s;
}
@keyframes holoRingSpin {
  0% { transform: rotate(0deg) scale(1); opacity: 1; }
  50% { transform: rotate(180deg) scale(1.08); opacity: 0.8; }
  100% { transform: rotate(360deg) scale(1); opacity: 1; }
}

.logo-holo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}
.logo-holo img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 16px var(--color-neon-cyan));
}
.logo-holo .company-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-neon-cyan);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 8px var(--color-neon-cyan), 0 0 16px var(--color-neon-purple);
  text-align: center;
}
/* Theme Transition */
*, *::before, *::after {
  transition: background-color var(--theme-transition),
              color var(--theme-transition),
              border-color var(--theme-transition),
              box-shadow var(--theme-transition);
}

/* Root Variables */
:root {
  /* Theme Transition Duration */
  --theme-transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Colors - Dark Theme (Default) */
  --color-primary-text: #fff;
  --color-secondary-text: #b8b8ff;
  --color-nav-text: #9aa0a6;
  --color-neon-cyan: #00fff7;
  --color-neon-blue: #00aaff;
  --color-neon-purple: #a020f0;
  --color-neon-pink: #ff00cc;
  --color-neon-magenta: #ff00aa;
  --color-neon-purple-light: #ff00ff;
  --color-bg-dark: #0a0a23;
  --color-bg-deep: #1a0033;
  --color-bg-purple: #2d0066;
  --color-bg-magenta: #3a004d;
  --color-nav-bg: rgba(32, 33, 36, 0.95);
  --color-shadow: rgba(0, 0, 0, 0.25);
  --color-card-bg: rgba(255, 255, 255, 0.05);
}

/* Light Theme Variables */
[data-theme="light"] {
  --color-primary-text: #1a1a1a;
  --color-secondary-text: #4a4a6a;
  --color-nav-text: #666666;
  --color-neon-cyan: #008F8C;
  --color-neon-blue: #0077cc;
  --color-neon-purple: #6b0f8c;
  --color-neon-pink: #cc0066;
  --color-neon-magenta: #990066;
  --color-neon-purple-light: #cc00cc;
  --color-bg-dark: #ffffff;
  --color-bg-deep: #f5f5f7;
  --color-bg-purple: #eeeef5;
  --color-bg-magenta: #f7f7fa;
  --color-nav-bg: rgba(255, 255, 255, 0.95);
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-card-bg: rgba(0, 0, 0, 0.02);
}

/* Light Theme Variables */
:root[data-theme="light"] {
  --color-primary-text: #1a1a1a;
  --color-secondary-text: #4a4a6a;
  --color-nav-text: #666666;
  --color-neon-cyan: #008F8C;
  --color-neon-blue: #0077cc;
  --color-neon-purple: #6b0f8c;
  --color-neon-pink: #cc0066;
  --color-neon-magenta: #990066;
  --color-neon-purple-light: #cc00cc;
  --color-bg-dark: #ffffff;
  --color-bg-deep: #f5f5f7;
  --color-bg-purple: #eeeef5;
  --color-bg-magenta: #f7f7fa;
  --color-nav-bg: rgba(255, 255, 255, 0.95);
  --gradient-background: linear-gradient(120deg, #ffffff 0%, #f5f5f7 40%, #eeeef5 80%, #f7f7fa 100%);
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-card-bg: rgba(0, 0, 0, 0.02);
}

:root {
  /* Gradients */
  --gradient-background: linear-gradient(120deg, #0a0a23 0%, #1a0033 40%, #2d0066 80%, #3a004d 100%);
  --gradient-neon-border: linear-gradient(90deg, var(--color-neon-cyan), var(--color-neon-pink), var(--color-neon-purple));
  --gradient-hero: linear-gradient(60deg, rgba(0,255,247,0.08) 0%, rgba(160,32,240,0.12) 100%);
  --gradient-footer: linear-gradient(90deg, var(--color-neon-cyan), var(--color-neon-pink), var(--color-neon-purple));

  /* Typography */
  --font-primary: 'Poppins', 'Segoe UI', Arial, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(.4,0,.2,1);
  --transition-normal: 0.35s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.7s cubic-bezier(.4,0,.2,1);

  /* Shadows */
  --shadow-neon: 0 0 16px 2px var(--color-neon-cyan), 0 0 32px 8px var(--color-neon-purple-light);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);

  /* Z-indices */
  --z-dropdown: 100;
  --z-sticky: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;
}

/* Animations */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes neonPulse {
  0% { box-shadow: 0 0 10px var(--color-neon-cyan); }
  50% { box-shadow: 0 0 30px var(--color-neon-cyan), 0 0 50px var(--color-neon-purple); }
  100% { box-shadow: 0 0 10px var(--color-neon-cyan); }
}

@keyframes cursorTrail {
  from { transform: scale(1); opacity: 0.5; }
  to { transform: scale(0); opacity: 0; }
}

/* Dark mode variables */
body.dark-mode {
  --color-primary-text: #ffffff;
  --color-secondary-text: #cccccc;
  --gradient-background: linear-gradient(135deg, #000033 0%, #330066 100%);
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: all var(--transition-normal);
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-dark);
  background: linear-gradient(120deg, 
    var(--color-bg-dark) 0%, 
    var(--color-bg-deep) 40%, 
    var(--color-bg-purple) 80%, 
    var(--color-bg-magenta) 100%);
  background-size: 200% 200%;
  color: var(--color-primary-text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  animation: gradientShift 18s linear infinite;
}

/* Futuristic radial neon glows */
body::before, body::after {
  content: '';
  position: fixed;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
body::before {
  width: 600px;
  height: 600px;
  left: -200px;
  top: 10vh;
  background: radial-gradient(circle, var(--color-neon-cyan) 0%, transparent 70%);
}
body::after {
  width: 500px;
  height: 500px;
  right: -150px;
  bottom: 0;
  background: radial-gradient(circle, var(--color-neon-purple) 0%, transparent 70%);
}

/* Abstract wave lines (SVG background) */
.wave-lines {
  position: fixed;
  left: 0;
  top: 0;
  width: 300px;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  opacity: 0.18;
}

/* Neon streaks */
.neon-streak {
  position: fixed;
  z-index: 2;
  pointer-events: none;
  opacity: 0.22;
  border-radius: 8px;
}
.neon-streak.v {
  width: 4px;
  height: 60vh;
  left: 60px;
  top: 20vh;
  background: linear-gradient(180deg, var(--color-neon-cyan), var(--color-neon-pink), var(--color-neon-purple));
  filter: blur(2px);
}
.neon-streak.h {
  height: 4px;
  width: 40vw;
  left: 0;
  top: 80vh;
  background: linear-gradient(90deg, var(--color-neon-cyan), var(--color-neon-pink), var(--color-neon-purple));
  filter: blur(2px);
}

/* Custom Cursor */
.cursor-dot,
.cursor-trail {
  width: 8px;
  height: 8px;
  background: var(--color-neon-cyan);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: var(--z-tooltip);
}

.cursor-trail {
  animation: cursorTrail 0.5s linear forwards;
}

/* Loading Animation */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--gradient-background);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--z-modal);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid transparent;
  border-top-color: var(--color-neon-cyan);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: sans-serif;
  font-weight: bold;
  color: var(--color-primary-text);
  margin-bottom: 1rem;
}

h1 {
  font-size: 80px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 60px;
  color: var(--color-neon-purple);
  text-transform: lowercase;
}

p {
  font-size: 18px;
  color: var(--color-secondary-text);
  margin-bottom: 1rem;
}

/* Navigation */
.sidebar {
  position: fixed;
  right: 0;
  top: 0;
  height: 100vh;
  width: 280px;
  background: var(--color-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 2rem;
  z-index: var(--z-sticky);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.vertical-nav {
  margin: 0;
  padding: 0;
}

.vertical-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.vertical-nav li {
  margin: 1rem 0;
  position: relative;
}

.vertical-nav a {
  color: var(--color-nav-text);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.8rem 1rem;
  display: block;
  transition: color var(--transition-normal), text-shadow var(--transition-normal);
  position: relative;
}

.vertical-nav a::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--gradient-nav-active);
  transform: translateY(-50%);
  transition: height var(--transition-normal);
  opacity: 0;
}

.vertical-nav li.active a::before,
.vertical-nav a:hover::before {
  height: 24px;
  opacity: 1;
}

.vertical-nav li.active a,
.vertical-nav a:hover {
  color: var(--color-primary-text);
  text-shadow: 0 0 12px var(--color-neon-cyan);
}

/* Main Content */
main {
  margin-left: 250px;
  padding: 2rem;
}

.hero-section {
  min-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
  opacity: 0.5;
  z-index: -1;
}

.hero-section::after {
  content: '';
  position: absolute;
  width: 150%;
  height: 150%;
  background: repeating-radial-gradient(
    circle at center,
    var(--color-neon-cyan) 0%,
    transparent 10%,
    transparent 100%
  );
  animation: rotate 20s linear infinite;
  opacity: 0.1;
  z-index: -2;
}

/* Scroll Effects */
[data-scroll] {
  opacity: 0;
  transition: all var(--transition-slow);
}

[data-scroll="fade-up"] {
  transform: translateY(50px);
}

[data-scroll="fade-down"] {
  transform: translateY(-50px);
}

[data-scroll="fade-left"] {
  transform: translateX(-50px);
}

[data-scroll="fade-right"] {
  transform: translateX(50px);
}

[data-scroll].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Buttons */
.button {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  background: var(--color-primary-text);
  color: #000;
  font-weight: 600;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.button::before,
.button::after {
  content: '';
  position: absolute;
  inset: 0;
  transition: all var(--transition-normal);
}

.button::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
}

.button::after {
  background: linear-gradient(to right, var(--color-neon-cyan), var(--color-neon-purple));
  opacity: 0;
  z-index: -1;
}

.button:hover {
  color: var(--color-primary-text);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-neon);
}

.button:hover::before {
  transform: translateX(100%);
}

.button:hover::after {
  opacity: 1;
}

.button:active {
  transform: translateY(0) scale(0.98);
}

/* Button Variations */
.button-outline {
  background: transparent;
  border: 2px solid var(--color-neon-cyan);
  color: var(--color-primary-text);
}

.button-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-primary-text);
}

.button-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.button-icon i {
  transition: transform var(--transition-normal);
}

.button-icon:hover i {
  transform: translateX(5px);
}

/* Image Frames */
.image-frame {
  position: relative;
  background: #f5f5f5;
  border-radius: 0 0 0 20px;
  padding: 1.5rem;
  margin: 2rem 0;
  max-width: 100%;
  overflow: hidden;
}

.image-frame::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 30px;
  background: repeating-linear-gradient(
    45deg,
    var(--color-neon-cyan),
    var(--color-neon-cyan) 5px,
    transparent 5px,
    transparent 10px
  );
  border-radius: 0 0 0 10px;
}

.image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: 0 0 0 20px;
  background: var(--gradient-neon-border) border-box;
  -webkit-mask:
    linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 0 15px;
  transition: transform 0.3s ease;
}

.image-frame:hover {
  transform: scale(1.02);
}

.image-frame:hover::after {
  box-shadow: 0 0 20px var(--color-neon-cyan);
}

/* Hero Image Effects */
.hero-image {
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent, var(--color-neon-cyan), transparent);
  animation: rotate 4s linear infinite;
  opacity: 0.3;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
  h1 { font-size: 60px; }
  h2 { font-size: 40px; }
  .sidebar { width: 180px; }
  main { margin-left: 180px; }
  .holo-rings { width: 80px; height: 80px; }
}

@media screen and (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    min-height: unset;
    box-shadow: none;
    border-right: none;
    border-bottom: 2px solid transparent;
    border-image: var(--gradient-neon-border) 1;
  }
  main {
    margin-left: 0;
  }
  nav {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
  }
  h1 { font-size: 40px; }
  h2 { font-size: 30px; }
  .holo-rings { width: 60px; height: 60px; }
}

/* Decorative Elements */
.neon-line {
  position: fixed;
  width: 1px;
  height: 100vh;
  background: var(--color-neon-cyan);
  opacity: 0.2;
}

.neon-line:nth-child(1) { left: 20%; }
.neon-line:nth-child(2) { left: 40%; }
.neon-line:nth-child(3) { left: 60%; }
.neon-line:nth-child(4) { left: 80%; }

/* Portfolio Gallery */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.filter-button {
  background: transparent;
  border: 1px solid var(--color-neon-cyan);
  color: var(--color-primary-text);
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-button:hover,
.filter-button.active {
  background: var(--color-neon-cyan);
  color: #000;
  box-shadow: var(--shadow-neon);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.portfolio-grid.filtering {
  opacity: 0;
}

/* Testimonials Carousel */
.testimonials {
  position: relative;
  padding: 4rem 0;
  overflow: hidden;
}

.testimonial-slide {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  opacity: 0;
  transform: scale(0.9);
  transition: all var(--transition-normal);
}

.testimonial-slide.active {
  opacity: 1;
  transform: scale(1);
}

.testimonial-author {
  margin-top: 1rem;
  color: var(--color-neon-cyan);
}

.testimonial-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 2rem;
}

.testimonial-nav button {
  background: transparent;
  border: none;
  color: var(--color-neon-cyan);
  font-size: 2rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.testimonial-nav button:hover {
  transform: scale(1.2);
  text-shadow: var(--shadow-neon);
}

/* Counters */
.counter-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 4rem 0;
  text-align: center;
}

.counter-item {
  position: relative;
}

.counter-number {
  font-size: 3rem;
  font-weight: bold;
  color: var(--color-neon-cyan);
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.counter-number.visible {
  opacity: 1;
  transform: translateY(0);
}

.counter-label {
  color: var(--color-secondary-text);
  font-size: 1.1rem;
}

/* Service Cards */
.service-card {
  background: var(--color-card-bg);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-card-bg);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-card);
  border-color: var(--color-neon-cyan);
}

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

.service-icon {
  font-size: 2rem;
  color: var(--color-neon-cyan);
  margin-bottom: 1rem;
  position: relative;
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
  transform: scale(1.1);
  animation: neonPulse 2s infinite;
}

/* Service Grid Layout */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

/* Section Dividers */
.section-divider {
  position: relative;
  height: 100px;
  margin: 4rem 0;
  overflow: hidden;
}

.section-divider::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent 45%, var(--color-neon-cyan) 49%, var(--color-neon-purple) 51%, transparent 55%);
  transform: scale(1.5);
  opacity: 0.1;
}

.service-details {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
  background: rgba(10, 10, 35, 0.95);
  padding: 2.5rem 0 1.5rem 0;
  margin-top: 4rem;
  position: relative;
  z-index: 10;
  border-top: 2px solid transparent;
  border-image: var(--gradient-footer) 1;
  box-shadow: 0 -2px 32px 0 var(--color-neon-purple-light);
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  gap: 2rem;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}
.footer-logo .image-frame {
  margin: 0;
  width: 50px;
  height: 50px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  color: var(--color-neon-cyan);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}
.footer-links a:hover {
  color: var(--color-neon-pink);
  text-shadow: 0 0 8px var(--color-neon-pink);
}
.social-icons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.social-icons-center {
  justify-content: center;
  margin-top: 1.5rem;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-card-bg);
  border: 2px solid transparent;
  font-size: 1.25rem;
  color: var(--color-primary-text);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.social-icons a::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, 
    var(--color-neon-cyan), 
    var(--color-neon-purple), 
    var(--color-neon-magenta)
  );
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.social-icons a:hover {
  transform: scale(1.15);
  border-color: transparent;
}

.social-icons a:hover::before {
  opacity: 1;
}

.social-icons a:hover i {
  background: linear-gradient(45deg,
    var(--color-neon-cyan),
    var(--color-neon-purple),
    var(--color-neon-magenta)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 8px var(--color-neon-cyan));
}

/* Light theme adjustments */
[data-theme="light"] .social-icons a {
  color: var(--color-nav-text);
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .social-icons a:hover {
  color: var(--color-neon-purple);
  box-shadow: 0 0 15px var(--color-neon-cyan);
}

/* Social icons fade-in animation */
.social-icons.fade-in {
  animation: socialIconsFadeIn 0.6s ease forwards;
}

@keyframes socialIconsFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
  .social-icons {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  }
  
  .social-icons a {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
}
.footer .copyright {
  color: var(--color-secondary-text);
  font-size: 1rem;
  text-align: center;
  margin-top: 1.5rem;
  letter-spacing: 0.08em;
  opacity: 0.8;
}
.footer .footer-divider {
  width: 100%;
  height: 2px;
  background: var(--gradient-footer);
  margin: 1.5rem 0 0.5rem 0;
  border-radius: 2px;
  opacity: 0.7;
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  cursor: pointer;
  z-index: var(--z-sticky);
  background: var(--color-card-bg);
  border: 2px solid transparent;
  border-radius: 50%;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle i {
  font-size: 1.25rem;
  color: var(--color-primary-text);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Show/hide icons based on theme */
.theme-toggle .fa-sun { display: none; }
.theme-toggle .fa-moon { display: block; }

[data-theme="light"] .theme-toggle .fa-sun { display: block; }
[data-theme="light"] .theme-toggle .fa-moon { display: none; }

.theme-toggle:hover {
  border-color: var(--color-neon-cyan);
  box-shadow: 0 0 12px var(--color-neon-cyan);
}

.theme-toggle:hover i {
  transform: rotate(360deg);
  color: var(--color-neon-cyan);
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 6rem;
  right: 2rem;
  z-index: var(--z-sticky);
  transform: translateZ(0);
}

.floating-cta .button {
  padding: 1rem 2rem;
  background: linear-gradient(45deg, var(--color-neon-cyan), var(--color-neon-purple));
  color: var(--color-primary-text);
  font-weight: 600;
  border: none;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.floating-cta .button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-neon);
}

.floating-cta .button i {
  transition: transform var(--transition-normal);
}

.floating-cta .button:hover i {
  transform: translateX(5px);
}

/* Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--color-neon-cyan);
  color: #000;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  border: none;
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* Animations */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.slide-in {
  opacity: 0;
  transform: translateY(20px);
  animation: slideIn 1s ease forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile Menu */
.hamburger-menu {
  display: none;
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background: var(--color-nav-bg);
  border-radius: 8px;
  z-index: calc(var(--z-sticky) + 1);
  cursor: pointer;
  padding: 8px;
}

.hamburger-menu span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary-text);
  margin: 5px 0;
  transition: var(--transition-normal);
}

.hamburger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Responsive Navigation */
@media screen and (max-width: 768px) {
  .sidebar {
    transform: translateX(100%);
    width: 100%;
    max-width: 320px;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .hamburger-menu {
    display: block;
  }

  main {
    margin-right: 0;
    padding: 1rem;
  }
}

/* Adjusting main content for the right sidebar */
main {
  margin-right: 280px;
  transition: margin var(--transition-normal);
}

/* Contact Section */
.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.social-section {
  margin-top: 3rem;
  text-align: center;
}

.social-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-neon-cyan);
  text-shadow: 0 0 10px var(--color-neon-cyan);
}

.social-icons-large {
  justify-content: center;
  gap: 2rem;
}

.social-icons-large a {
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
}

/* Social icons additional animations */
.social-icons a {
  animation: iconPulse 2s infinite;
  animation-delay: calc(var(--icon-index, 0) * 0.2s);
}

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

.social-icons a:nth-child(1) { --icon-index: 1; }
.social-icons a:nth-child(2) { --icon-index: 2; }
.social-icons a:nth-child(3) { --icon-index: 3; }
.social-icons a:nth-child(4) { --icon-index: 4; }

.contact-buttons {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-card {
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.contact-card i {
  font-size: 2.5rem;
  color: var(--color-neon-cyan);
  margin-bottom: 1rem;
}

/* WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
  z-index: 1000;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

/* Accordion */
.accordion {
  max-width: 800px;
  margin: 2rem auto;
}

.accordion-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.accordion-header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition: all var(--transition-normal);
}

.accordion-header:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-neon-cyan);
}

.accordion-header i {
  transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-header {
  border-radius: 10px 10px 0 0;
  border-bottom: none;
}

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

.accordion-content {
  max-height: 0;
  padding: 0 1.5rem;
  overflow: hidden;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  border-top: none;
  border-radius: 0 0 10px 10px;
}

.accordion-item.active .accordion-content {
  max-height: 300px;
  padding: 1.5rem;
  border-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Contact Bar */
.mobile-contact-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  justify-content: space-around;
  padding: 1rem;
  z-index: 1000;
}

.mobile-contact-bar a {
  color: var(--color-primary-text);
  font-size: 1.5rem;
  text-decoration: none;
}

@media screen and (max-width: 768px) {
  .mobile-contact-bar {
    display: flex;
  }
  .floating-whatsapp {
    display: none;
  }
  .contact-buttons {
    flex-direction: column;
  }
  .contact-card {
    padding: 1.5rem;
  }
}