:root {
  --primary: #0a0e27;
  --primary-light: #141b3a;
  --primary-lighter: #1e2749;
  --secondary: #6366f1;
  --secondary-light: #818cf8;
  --secondary-dark: #4f46e5;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0891b2;
  --accent-2: #8b5cf6;
  --accent-2-light: #a78bfa;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;
  
  --border-radius-sm: 0.625rem;
  --border-radius-md: 1rem;
  --border-radius-lg: 1.5rem;
  --border-radius-xl: 2.5rem;
  --border-radius-2xl: 3rem;
  --border-radius-pill: 100rem;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 32px 64px rgba(0, 0, 0, 0.24);
  --shadow-colored: 0 8px 32px rgba(99, 102, 241, 0.3);
  --shadow-colored-lg: 0 16px 48px rgba(99, 102, 241, 0.4);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

html, body {
  min-height: 100vh;
  height: auto;
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--white);
  background: var(--primary);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(6, 182, 212, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 40%),
    linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-lighter) 100%);
  background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
  z-index: 0;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.9;
  }
}

header {
  background: rgba(10, 14, 39, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  color: white;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(99, 102, 241, 0.5) 20%, 
    rgba(6, 182, 212, 0.5) 50%,
    rgba(139, 92, 246, 0.5) 80%,
    transparent
  );
  animation: borderFlow 3s linear infinite;
}

@keyframes borderFlow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  text-decoration: none;
  justify-self: start;
}

header img {
  height: 100px;
  width: auto;
  cursor: pointer;
  display: block;
  transition: all var(--transition-normal);
  filter: drop-shadow(0 4px 16px rgba(99, 102, 241, 0.3));
}

header img:hover {
  transform: scale(1.05) rotate(-2deg);
  filter: drop-shadow(0 8px 24px rgba(99, 102, 241, 0.5));
}

.header-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.header-text h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 0.25rem;
  background: linear-gradient(135deg, #ffffff 0%, var(--secondary-light) 50%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-text p {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
  font-style: italic;
}

.main-nav {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  justify-self: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.5rem;
  border-radius: var(--border-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.main-nav a {
  padding: 0.75rem 1.75rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--border-radius-pill);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.3px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.main-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
  border-radius: var(--border-radius-pill);
}

.main-nav a:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
}

.main-nav a:hover::before {
  opacity: 0.15;
}

.language-toggle {
  justify-self: end;
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.15));
  border: 2px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
  backdrop-filter: blur(10px);
}

.language-toggle .lang-text {
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--white);
  letter-spacing: 0.5px;
}

.language-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.3);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.25));
  border-color: rgba(99, 102, 241, 0.6);
}

.language-toggle.active {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(139, 92, 246, 0.15));
  border-color: rgba(6, 182, 212, 0.4);
}

@media (max-width: 968px) {
  header {
    grid-template-columns: auto;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }
  
  .logo-link {
    justify-self: center;
  }
  
  .main-nav {
    justify-self: center;
  }
  
  .main-nav a {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
  
  .language-toggle {
    justify-self: center;
  }
  
  header img {
    height: 70px;
  }
}

@media (max-width: 480px) {
  .main-nav a {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }
  
  header img {
    height: 60px;
  }
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  color: var(--white);
  position: relative;
  z-index: 1;
}

#contactForm button[type="submit"] {
  background: var(--accent);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-pill);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
}

#contactForm button[type="submit"]:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

#contactForm button[type="submit"]:active {
  transform: translateY(0);
}

main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, rgba(45, 49, 66, 0.05) 0%, rgba(248, 249, 250, 0) 100%);
  z-index: 0;
}

main a {
  display: inline-block;
  cursor: pointer;
  transition: transform var(--transition-normal);
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  position: relative;
}

main a::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

main a:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

main a:hover {
  color: var(--accent-light);
}

main section {
  width: 100%;
  max-width: 1200px;
  position: relative;
  z-index: 1;
}

/* ================================= */
/* SERVICES SECTION - Futuristic Cards */
/* ================================= */
.services {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: 0 auto var(--spacing-xl);
  max-width: 1200px;
  padding: 0 var(--spacing-md);
  align-items: stretch;
  justify-items: center;
}

.service-item {
  width: 100%;
  max-width: 400px;
}

@media (min-width: 768px) {
  .services {
    grid-template-columns: repeat(2, 1fr);
    padding: 0;
  }
  
  .service-item {
    max-width: none;
  }
}

@media (min-width: 1024px) {
  .services {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .service-item:nth-last-child(1):nth-child(3n+1) {
    grid-column: 2 / span 1;
  }
}

@media (min-width: 1440px) {
  .services {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1400px;
  }
}

.service-item {
  height: 140px !important;
  min-height: 140px !important;
  max-height: 140px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
  transition: all var(--transition-normal);
  cursor: pointer;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.15) 0%, 
    rgba(6, 182, 212, 0.15) 50%,
    rgba(139, 92, 246, 0.15) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.service-item::after {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, 
    var(--secondary), 
    var(--accent), 
    var(--accent-2)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-item:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-colored-lg);
  border-color: transparent;
}

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

.service-item:hover::after {
  opacity: 1;
}

.service-item:nth-child(4n+1) {
  animation-delay: 0.1s;
}

.service-item:nth-child(4n+2) {
  animation-delay: 0.2s;
}

.service-item:nth-child(4n+3) {
  animation-delay: 0.3s;
}

.service-item:nth-child(4n+4) {
  animation-delay: 0.4s;
}

/* Fade-in animation */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animation delay for staggered appearance */
.service-item:nth-child(1) { animation-delay: 0.1s; }
.service-item:nth-child(2) { animation-delay: 0.2s; }
.service-item:nth-child(3) { animation-delay: 0.3s; }
.service-item:nth-child(4) { animation-delay: 0.4s; }
.service-item:nth-child(5) { animation-delay: 0.5s; }
.service-item:nth-child(6) { animation-delay: 0.6s; }
.service-item:nth-child(7) { animation-delay: 0.7s; }
.service-item:nth-child(8) { animation-delay: 0.8s; }
.service-item:nth-child(9) { animation-delay: 0.9s; }
.service-item:nth-child(10) { animation-delay: 1s; }

/* ================================= */
/* FORM - Ultra Modern Dark Theme   */
/* ================================= */
form {
  max-width: 700px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 1441px) {
  form {
    max-width: 800px;
    padding: 4rem;
    gap: 2rem;
  }
}

@media (min-width: 1921px) {
  form {
    max-width: 900px;
    padding: 5rem;
  }
}

form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--accent), var(--accent-2), var(--secondary));
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

label {
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-xs);
  display: block;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.75rem;
}

input, textarea {
  padding: var(--spacing-md);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  resize: vertical;
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
}

input::placeholder, textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--secondary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
  transform: translateY(-2px);
}

button {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-width: 200px;
  box-shadow: var(--shadow-colored);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.875rem;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

button:not(:disabled):hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-colored-lg);
}

button:not(:disabled):active {
  transform: translateY(-2px);
}

button.success {
  background: linear-gradient(135deg, var(--success), #34d399);
}

button.error {
  background: linear-gradient(135deg, var(--danger), #f87171);
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
  margin-right: 8px;
  vertical-align: middle;
}

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

button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

button:hover::before {
  width: 400px;
  height: 400px;
}

#form-response {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  font-weight: 500;
  transition: all var(--transition-normal);
  font-size: 0.95rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--white);
}

#form-response:empty {
  display: none;
}

/* ================================= */
/* FOOTER - Sleek Modern Dark       */
/* ================================= */
footer {
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(20px);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding: var(--spacing-xl);
  font-size: 0.95rem;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary), var(--accent), transparent);
}

/* ================================= */
/* MODAL - Ultra Modern Dark        */
/* ================================= */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.modal.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-xl);
  max-width: 600px;
  width: 90%;
  transform: translateY(40px) scale(0.95);
  opacity: 0;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.modal.show .modal-content {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal-content h2 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  font-size: 2.5rem;
  letter-spacing: -1px;
}

.modal-content p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  font-size: 1.125rem;
}

.close-button {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.close-button:hover {
  color: var(--white);
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--danger);
  transform: rotate(90deg);
}

/* ================================= */
/* INTRO ANIMATION - Dark Theme     */
/* ================================= */
.intro-body {
  margin: 0;
  overflow: hidden;
  background: var(--primary);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.intro-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.12) 0%, transparent 40%),
    linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  z-index: 0;
}

.intro-container {
  display: flex;
  width: 200%;
  height: 100vh;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.intro-container.slide-left {
  transform: translateX(-50%);
}

.intro-logo-screen, .main-screen {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.intro-logo-screen::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.2) 0%, rgba(10, 14, 39, 0) 70%);
  z-index: 0;
}

.intro-logo {
  width: 400px;
  max-width: 80%;
  z-index: 1;
  position: relative;
  filter: drop-shadow(0 0 40px rgba(99, 102, 241, 0.6)) drop-shadow(0 0 80px rgba(6, 182, 212, 0.4));
}

/* Keep the original heartbeat animation as requested */
@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.15);
  }
  50% {
    transform: scale(0.95);
  }
  75% {
    transform: scale(1.1);
  }
}

.heartbeat {
  animation: heartbeat 2s ease-in-out;
}

.slide-left {
  animation: slideOutLeft 0.8s forwards;
}

@keyframes slideOutLeft {
  to {
    transform: translateX(-100vw);
    opacity: 0;
  }
}

.main-screen iframe {
  border: none;
  width: 100vw;
  height: 100vh;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.5s ease-in-out, visibility 0s linear 0.5s;
}

.main-screen.visible iframe {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

@media (max-width: 768px) {
  .services {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
  }

  .service-item {
    height: 160px !important;
    min-height: 160px !important;
    max-height: 160px !important;
    margin: 0;
    width: 100%;
  }

  .section {
    width: 100%;
    margin-left: 0;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .section-content {
    padding: 0;
  }

  .about-section p {
    font-size: 1.0625rem;
    line-height: 1.7;
    text-align: left;
  }

  header {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
  }

  .logo-link {
    gap: var(--spacing-sm);
    justify-self: center;
    grid-row: 1;
  }

  .header-text h1 {
    font-size: 1.25rem;
  }

  .header-text p {
    font-size: 0.75rem;
  }

  header img {
    height: 60px;
  }

  .main-nav {
    justify-self: stretch;
    grid-row: 2;
    gap: 0.25rem;
    padding: 0.25rem;
    width: 100%;
  }

  .main-nav a {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    flex: 1;
    text-align: center;
  }

  .modal-content {
    padding: var(--spacing-lg);
    width: 95%;
  }
  
  form {
    padding: var(--spacing-lg);
  }

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

  .language-toggle {
    padding: 0.375rem 1rem;
    font-size: 0.75rem;
  }

  .language-toggle .lang-text {
    font-size: 0.75rem;
  }
}

.grecaptcha-badge {
  visibility: visible !important;
  opacity: 1 !important;
  bottom: 10px !important;
  right: 10px !important;
  z-index: 2147483647 !important;
}

.hidden {
  display: none !important;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.animated {
  opacity: 1;
  transform: translateY(0);
}

html {
  scroll-padding-top: 100px;
}

::selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--primary);
}

::-moz-selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--primary);
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

.section {
  min-height: 100vh;
  padding: var(--spacing-xxl) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
}

.section-content {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

@media (min-width: 1441px) {
  .section-content {
    max-width: 1600px;
  }
}

@media (min-width: 1921px) {
  .section-content {
    max-width: 1800px;
  }
}

.section-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 4rem;
  text-align: center;
  letter-spacing: -2px;
  position: relative;
  display: inline-block;
  width: 100%;
  background: linear-gradient(135deg, var(--white) 0%, var(--secondary-light) 50%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 5px;
  background: linear-gradient(90deg, var(--secondary), var(--accent), var(--accent-2));
  border-radius: var(--border-radius-pill);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
}

/* About Section */
.about-section {
  position: relative;
}

.about-section .section-title {
  background: linear-gradient(135deg, var(--white) 0%, var(--secondary-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-section p {
  font-size: 1.5rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  max-width: 1000px;
  margin: 0 auto;
  line-height: 2;
  font-weight: 400;
}

@media (min-width: 1441px) {
  .about-section p {
    font-size: 1.625rem;
    max-width: 1200px;
  }
  
  .section-title {
    font-size: 4.5rem;
  }
}

@media (min-width: 1921px) {
  .about-section p {
    font-size: 1.75rem;
    max-width: 1400px;
  }
  
  .section-title {
    font-size: 5rem;
  }
}

/* Services Section */
.services-section {
  position: relative;
}

.services-section::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  animation: float 8s ease-in-out infinite;
}

.services-section::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  animation: float 10s ease-in-out infinite reverse;
}

/* Contact Section */
.contact-section {
  position: relative;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
}

/* Navigation - Sleek Modern Buttons */
.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
}

.main-nav {
  display: flex;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.05);
  padding: 6px;
  border-radius: var(--border-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.header-center a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  border-radius: var(--border-radius-pill);
  transition: all var(--transition-normal);
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.header-center a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.header-center a:hover {
  color: var(--white);
  transform: translateY(-2px);
}

.header-center a:hover::before {
  opacity: 1;
}

.header-center a.active {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: var(--white);
  box-shadow: var(--shadow-colored);
}

.header-center a:active {
  transform: translateY(0);
}

@media (max-width: 968px) {
  .section-title {
    font-size: 2.75rem;
  }
  
  .section {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .about-section p {
    font-size: 1.125rem;
  }
  
  .service-item {
    height: 140px !important;
    min-height: 140px !important;
    max-height: 140px !important;
  }

  header {
    grid-template-columns: 1fr auto;
  }

  .main-nav a {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .header-text h1 {
    font-size: 1.125rem;
  }

  .header-text p {
    font-size: 0.6875rem;
  }

  header img {
    height: 50px;
  }

  .logo-link {
    gap: 0.5rem;
  }

  .main-nav {
    padding: 0.25rem;
    gap: 0.125rem;
  }

  .main-nav a {
    padding: 0.5rem 0.5rem;
    font-size: 0.6875rem;
  }

  form {
    padding: var(--spacing-md);
  }

  form input,
  form textarea,
  form button {
    font-size: 0.9375rem;
  }

  .intro-logo {
    width: 180px;
  }
  
  .section {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    margin-top: 0;
  }
  
  .about-section .section-title {
    margin-top: 0;
  }
  
  .service-item {
    height: 120px !important;
    min-height: 120px !important;
    max-height: 120px !important;
    font-size: 0.875rem;
    padding: var(--spacing-sm);
  }
  
  .header-center a {
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
  }

  .about-section p {
    font-size: 1rem;
    line-height: 1.6;
  }

  .language-toggle {
    padding: 0.375rem 0.875rem;
  }

  .language-toggle .lang-text {
    font-size: 0.6875rem;
  }
}

::-webkit-scrollbar {
  width: 14px;
}

::-webkit-scrollbar-track {
  background: var(--primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--secondary), var(--accent));
  border-radius: 7px;
  border: 3px solid var(--primary);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--secondary-light), var(--accent-light));
}

.fade-in-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-on-scroll.fade-in-visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.fade-in-visible {
  opacity: 1;
  transform: translateX(0);
}

*:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 3px;
}

/* Selection styling */
::selection {
  background: rgba(99, 102, 241, 0.4);
  color: var(--white);
}

::-moz-selection {
  background: rgba(99, 102, 241, 0.4);
  color: var(--white);
}

/* Micro-interactions for links in main content */
main a {
  display: inline-block;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--accent-light);
  text-decoration: none;
  font-weight: 600;
  position: relative;
}

main a::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: -3px;
  left: 0;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform var(--transition-normal);
}

main a:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

main a:hover {
  color: var(--accent);
}

main section {
  width: 100%;
  max-width: 1400px;
  position: relative;
  z-index: 1;
}

/* Floating animation for decorative elements */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-30px);
  }
}

/* Pulse animation for call-to-action */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

/* Contact Form Submit Button Enhanced */
#contactForm button[type="submit"] {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-colored);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.875rem;
}

#contactForm button[type="submit"]:hover:not(:disabled) {
  transform: translateY(-4px);
  box-shadow: var(--shadow-colored-lg);
}

#contactForm button[type="submit"]:active:not(:disabled) {
  transform: translateY(-2px);
}

/* Loading state enhancement */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  margin-right: 10px;
  vertical-align: middle;
}

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

/* Improved card hover effects */
@media (hover: hover) {
  .service-item {
    will-change: transform;
  }
}