:root {
  /* Core Palette - Darker, richer background */
  --bg-dark: #050505;
  --bg-card: #101010;
  --bg-glass: rgba(16, 16, 16, 0.7);
  
  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-accent: #00e5ff;

  /* Brand Accents - Neon Cyan & Deep Blue */
  --primary: #00e5ff;
  --primary-dark: #00b8cc;
  --secondary: #2979ff;
  
  /* Gradients */
  --gradient-main: linear-gradient(135deg, #00e5ff 0%, #2979ff 100%);
  --gradient-glow: conic-gradient(from 180deg at 50% 50%, #2979ff 0deg, #00e5ff 180deg, #2979ff 360deg);
  
  /* Spacing */
  --container-width: 1280px;
  --header-height: 80px;
  
  /* Effects */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.15);
  --shadow-card: 0 10px 40px -10px rgba(0,0,0,0.5);
  
  /* Typography */
  --font-main: 'Inter', sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

/* Utilities */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.03em;
}

.nav__list {
  display: flex;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav__link:hover, .nav__link.active {
  color: var(--text-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: 0.3s ease;
}

.nav__link:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.4);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-height);
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Dynamic Background Glow */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 50% 50%, rgba(41, 121, 255, 0.15), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

.hero__eyebrow {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: block;
}

.hero__title {
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero__text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__img-container {
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  padding: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  animation: float 6s ease-in-out infinite;
}

.hero__img {
  border-radius: var(--radius-md);
  width: 100%;
  height: auto;
  display: block;
}

/* Floating Animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Services */
.services {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.05);
  transition: 0.3s;
}

.card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.card__icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  background: rgba(255,255,255,0.05);
  padding: 1rem;
  border-radius: var(--radius-sm);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

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

/* About */
.about {
  padding: 8rem 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a0a 100%);
}

.about__inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about__text {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Contact */
.contact {
  padding: 6rem 0;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(41, 121, 255, 0.1), transparent 70%);
}

.contact__container {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 4rem 2rem;
  border-radius: var(--radius-lg);
  max-width: 800px;
  margin: 0 auto;
}

/* Footer */
.footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero__content {
    margin: 0 auto;
  }
  
  .hero__actions {
    justify-content: center;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .nav {
    display: none;
  }

  /* Add mobile menu logic here if needed, keeping it simple for now */
}