:root {
  /* Color Palette - Premium Indigo & Slate */
  --primary: #f8fafc;
  --secondary: #e2e8f0;
  --accent: #2563eb;
  --accent-light: #1d4ed8;
  --text-main: #0f172a;
  --text-muted: #475569;
  --bg-main: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.025em;
}

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

/* Glassmorphism Utility */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 8rem 0;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
}

nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  display: flex;
  align-items: center;
}

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

.nav-links a:hover {
  color: var(--accent-light);
}

.btn-cta {
  background: var(--accent);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.4);
}

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

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  filter: blur(60px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-image {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.hero-image img {
  width: 100%;
  display: block;
  transform: scale(1.05);
  transition: transform 10s ease;
}

.hero:hover .hero-image img {
  transform: scale(1);
}

/* Footer */
footer {
  background: var(--primary);
  padding: 6rem 0 2rem;
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  display: block;
}

.footer-links h4 {
  margin-bottom: 1.5rem;
  color: var(--accent-light);
}

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

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

.footer-links a {
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--secondary);
  border: 1px solid var(--glass-border);
}

.social-icon:hover {
  background: var(--accent);
  color: white;
}

/* Page Specifics */
.page-header {
  padding: 12rem 0 6rem;
  background: linear-gradient(180deg, var(--primary) 0%, var(--bg-main) 100%);
  text-align: center;
}

.page-header h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

/* Mobile Responsiveness */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content h1 { font-size: 3.5rem; }
  .hero-content p { margin: 0 auto 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2.75rem; }
}
