:root {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-primary: #38bdf8;
  --color-secondary: #818cf8;
  --color-accent: #c084fc;

  --font-main: 'Manrope', sans-serif;

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

  --radius-md: 0.75rem;
  --radius-lg: 1.5rem;

  --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-weight: 700;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: white;
  margin-left: var(--spacing-md);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.btn-glow {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border: none;
  font-size: 1rem;
  padding: 1rem 2rem;
}

.btn-glow:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(129, 140, 248, 0.4);
}

/* Background */
.gradient-bg {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.08), transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(192, 132, 252, 0.05), transparent 40%);
  z-index: -1;
  pointer-events: none;
}

/* Nav */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: background 0.3s;
  backdrop-filter: blur(10px);
  background: rgba(15, 23, 42, 0.6);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
}

.highlight {
  color: var(--color-primary);
}

.nav-links {
  display: none;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  margin: 0 var(--spacing-md);
  transition: color 0.3s;
}

.nav-links a:hover {
  color: white;
}

@media(min-width: 768px) {
  .nav-links {
    display: block;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

.menu-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: var(--spacing-md);
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: white;
  margin: 5px 0;
}

@media(min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

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

.mobile-menu a {
  color: white;
  font-size: 2rem;
  text-decoration: none;
  margin: var(--spacing-md) 0;
}

/* Hero */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 var(--spacing-lg);
  margin-top: -60px;
  /* Offset fixed nav */
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.2;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  text-wrap: balance;
}

.hero .subtitle {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
  margin-inline: auto;
  text-wrap: balance;
}

@media(min-width: 768px) {
  .hero h1 {
    font-size: 5rem;
  }
}

/* Marquee */
.marquee-container {
  overflow: hidden;
  padding: var(--spacing-lg) 0;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.section-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-md);
}

.marquee-content {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  color: var(--color-text-muted);
  font-weight: 600;
  flex-wrap: wrap;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media(min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media(min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: transform 0.3s, background 0.3s;
  backdrop-filter: blur(5px);
  text-align: center;
}

.card:hover {
  transform: translateY(-10px);
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(56, 189, 248, 0.3);
}

.card .icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  color: white;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Why Us */
.alt-bg {
  background: rgba(0, 0, 0, 0.2);
}

.split-view {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: center;
}

@media(min-width: 768px) {
  .split-view {
    flex-direction: row;
  }

  .split-view>* {
    flex: 1;
  }
}

.benefits-list {
  list-style: none;
}

.benefits-list li {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.check {
  color: var(--color-primary);
  font-weight: bold;
}

.visual-box {
  background: linear-gradient(45deg, var(--color-surface), var(--color-bg));
  height: 300px;
  width: 100%;
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.floating-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.badge-1 {
  top: 20%;
  right: -10px;
  color: var(--color-primary);
  animation: float 4s ease-in-out infinite;
}

.badge-2 {
  bottom: 20%;
  left: -10px;
  color: var(--color-accent);
  animation: float 5s ease-in-out infinite reverse;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* Contact */
.cta-box {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-box h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.contact-form {
  margin-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form input {
  padding: 1rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.3);
  color: white;
  outline: none;
}

.contact-form input:focus {
  border-color: var(--color-primary);
}

@media(min-width: 480px) {
  .contact-form {
    flex-direction: row;
  }

  .contact-form input {
    flex: 1;
  }
}

/* Footer */
footer {
  padding: var(--spacing-lg) 0;
  text-align: center;
  color: var(--color-text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations using Intersection Observer classes */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

/* Social Links in Contact Section */
.social-links-container {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .social-links-container {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .telegram-btn,
  .linkedin-btn {
    width: 100%;
    max-width: 280px;
    margin-left: 0;
  }
}

.telegram-btn,
.linkedin-btn {
  min-width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* Language Switcher */
/* Language Switcher and Nav Right */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.desktop-only {
  display: none;
}

@media(min-width: 768px) {
  .desktop-only {
    display: inline-block;
  }
}



.lang-switcher,
.mobile-lang-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-btn:hover {
  border-color: var(--color-primary);
  color: white;
}

.lang-btn.active {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

.mobile-lang-switcher {
  margin-top: var(--spacing-lg);
}