:root {
  --bg-color: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-color: #4f46e5;
  --accent-glow: rgba(79, 70, 229, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.9);
  --font-main: 'Inter', system-ui, sans-serif;
}

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

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

/* Background Animated Gradient Mesh */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: 
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15), transparent 25%);
  animation: mesh-pulse 15s ease-in-out infinite alternate;
}

@keyframes mesh-pulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.04em;
  background: linear-gradient(to right, #0f172a, #334155);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin-bottom: 2rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

.btn-primary {
  background: var(--accent-color);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 0 20px var(--accent-glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: inline-block;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(79, 70, 229, 0.3);
  color: #fff;
}

/* Sections */
section {
  padding: 8rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-top: 12rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
}

/* Grid & Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 3rem 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.05), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
}

.glass-card:hover::before {
  left: 200%;
}

.glass-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.06), 0 0 20px var(--accent-glow);
  border-color: rgba(255,255,255,1);
}

.glass-card h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.glass-card p {
  font-size: 1rem;
  margin-bottom: 0;
}

/* Footer */
footer {
  padding: 4rem 5%;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  background: rgba(248, 250, 252, 0.8);
}

.socials {
  display: flex;
  gap: 1.5rem;
}

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

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

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  /* Disable scroll reveal on mobile to prevent JS pause delays and ensure instant loading */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 200;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transform: translateY(0);
  transition: all 0.3s ease;
}

.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
    position: relative;
    z-index: 200;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -320px;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 6rem 2rem 2rem 2rem;
    border-left: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1), 0 0 0 100vw rgba(0,0,0,0);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 150;
    gap: 1.5rem;
    transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  
  .nav-links.active {
    right: 0;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1), 0 0 0 100vw rgba(0,0,0,0.3);
  }
  
  .nav-links a {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: normal;
    color: var(--text-secondary);
    text-transform: none;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
    text-shadow: none;
  }

  .nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
    text-shadow: none;
  }

  .nav-links .btn-primary {
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    margin-top: 1rem;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
  }

  .desktop-only {
    display: none !important;
  }

  .mobile-socials.mobile-only {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    width: 100%;
  }

  .mobile-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
  }

  .nav-links.active .mobile-socials a {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-links.active .mobile-socials a:nth-child(1) { transition-delay: 0.4s; }
  .nav-links.active .mobile-socials a:nth-child(2) { transition-delay: 0.45s; }
  .nav-links.active .mobile-socials a:nth-child(3) { transition-delay: 0.5s; }
  
  .nav-links.active a {
    opacity: 1;
    transform: translateX(0);
  }
  
  .nav-links.active a:nth-child(1) { transition: transform 0.5s 0.1s, opacity 0.5s 0.1s; }
  .nav-links.active a:nth-child(2) { transition: transform 0.5s 0.15s, opacity 0.5s 0.15s; }
  .nav-links.active a:nth-child(3) { transition: transform 0.5s 0.2s, opacity 0.5s 0.2s; }
  .nav-links.active a:nth-child(4) { transition: transform 0.5s 0.25s, opacity 0.5s 0.25s; }
  .nav-links.active a:nth-child(5) { transition: transform 0.5s 0.3s, opacity 0.5s 0.3s; }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--text-primary);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: var(--text-primary);
  }
}