:root {
  /* Dark Theme Palette */
  --bg-dark: #0f172a; /* Slate 900 */
  --bg-card: #1e293b; /* Slate 800 */
  --bg-card-hover: #334155; /* Slate 700 */
  
  --accent-cyan: #06b6d4; /* Cyan 500 */
  --accent-cyan-glow: rgba(6, 182, 212, 0.5);
  --accent-gold: #fbbf24; /* Amber 400 */
  
  --text-main: #f8fafc; /* Slate 50 */
  --text-muted: #cbd5e1; /* Slate 300 */
  
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }

p {
  color: var(--text-muted);
  font-size: 1.125rem;
}

a {
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-center { text-align: center; }
.text-cyan { color: var(--accent-cyan); }
.text-gold { color: var(--accent-gold); }

.section {
  padding: 6rem 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent-cyan);
  color: #fff;
  box-shadow: 0 4px 14px 0 var(--accent-cyan-glow);
}

.btn-primary:hover {
  background: #0891b2;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 var(--accent-cyan-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-main);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 36px;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-cyan);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../assets/hero.png') no-repeat center center/cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--bg-dark) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(15, 23, 42, 0.4) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 600px;
}

.hero-subtitle {
  color: var(--accent-gold);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-block;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero p {
  margin-bottom: 2.5rem;
  font-size: 1.25rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  background: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-cyan);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

/* Why Choose Us */
.features-section {
  background: #0b1120;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.feature-item {
  display: flex;
  gap: 1.5rem;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-dark);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-content h4 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.feature-content p {
  font-size: 1rem;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 8rem 0;
  background: radial-gradient(circle at center, rgba(6, 182, 212, 0.1) 0%, var(--bg-dark) 70%);
}

.cta-section h2 {
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

/* Footer */
.footer {
  background: #020617;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.95rem;
}

.footer h4 {
  color: #fff;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Top Bar */
.top-bar {
  background: var(--accent-cyan);
  color: #fff;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
}

.top-bar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar a {
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar a:hover {
  text-decoration: underline;
}

/* Meet the Team Split Section */
.split-section {
  display: flex;
  align-items: center;
  gap: 4rem;
  padding: 6rem 0;
}

.split-image {
  flex: 1;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.split-image img {
  width: 100%;
  height: auto;
  display: block;
}

.split-content {
  flex: 1;
}

.split-content h2 {
  margin-bottom: 1.5rem;
}

.split-content ul {
  list-style: none;
  margin-top: 1.5rem;
}

.split-content li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  font-weight: 500;
}

.split-content li svg {
  color: var(--accent-gold);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem;
  position: relative;
}

.testimonial-stars {
  color: var(--accent-gold);
  margin-bottom: 1rem;
  display: flex;
  gap: 0.25rem;
}

.testimonial-stars svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  stroke: currentColor;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--accent-cyan);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    flex-direction: column;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-overlay {
    background: linear-gradient(to top, var(--bg-dark) 0%, rgba(15, 23, 42, 0.8) 100%);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .top-bar-container {
    flex-direction: column;
    text-align: center;
    gap: 0.25rem;
  }
  
  .navbar {
    top: 56px;
  }
  
  .split-section {
    flex-direction: column;
    gap: 2rem;
  }
}