/* Theme: Deep Blue, Black, White */
:root {
  --color-bg: #0b0e14; /* near-black */
  --color-surface: #0f172a; /* deep blue/black */
  --color-primary: #0a84ff; /* vibrant deep-ish blue accent */
  --color-primary-700: #0066cc;
  --color-text: #e6ebf2; /* off-white */
  --color-muted: #94a3b8;
  --max-width: 1200px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --glass: rgba(255,255,255,0.06);
  
  /* Spacing variables */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 80px;
  --spacing-4xl: 96px;
}

/* CSS Reset (modern minimal) */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul[role='list'], ol[role='list'] { list-style: none; padding: 0; }
img { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; }

/* Base */
body {
  background: radial-gradient(1200px 800px at 10% 0%, #0b1220 0%, var(--color-bg) 55%),
              linear-gradient(180deg, #091018 0%, var(--color-bg) 100%);
  color: var(--color-text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { 
  width: 100%; 
  max-width: var(--max-width); 
  margin: 0 auto; 
  padding: 0 var(--spacing-md); 
}

/* Improved spacing for better readability */
body {
  padding-bottom: var(--spacing-xl);
}

/* Global animated gradient accent glow */
.bg-glow {
  position: fixed; inset: -20% -10% auto auto; width: 55vmin; height: 55vmin; z-index: -1;
  background: radial-gradient(closest-side, rgba(10,132,255,0.25), rgba(10,132,255,0) 70%);
  filter: blur(40px); opacity: .7; animation: float 12s ease-in-out infinite;
}
@keyframes float { 0%,100%{ transform: translateY(0) translateX(0);} 50%{ transform: translateY(-14px) translateX(10px);} }

/* Header / Nav */
header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(140%) blur(10px);
  background: linear-gradient(180deg, rgba(15,23,42,0.9), rgba(15,23,42,0.65));
  border-bottom: 1px solid rgba(148,163,184,0.15);
  padding: var(--spacing-sm) 0;
}
.nav { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  padding: var(--spacing-sm) 0; 
  min-height: 80px;
}
.brand { 
  display: flex; 
  align-items: center; 
  gap: var(--spacing-sm); 
  text-decoration: none; 
  color: var(--color-text); 
}
.brand-logo { 
  width: 64px; 
  height: 64px; 
  border-radius: var(--radius); 
  box-shadow: var(--shadow); 
  overflow: hidden; 
  background: rgba(0,0,0,0.2); 
  display: block; 
  flex-shrink: 0;
}
.brand-logo img { 
  width: 100%; 
  height: 100%; 
  object-fit: contain; 
  display: block; 
}
.brand-text { 
  font-weight: 800; 
  letter-spacing: 0.3px; 
  font-size: 1.25rem;
}
.nav-links { 
  display: flex; 
  gap: var(--spacing-sm); 
  align-items: center;
}
.nav-links a { 
  color: var(--color-text); 
  text-decoration: none; 
  padding: var(--spacing-xs) var(--spacing-sm); 
  border-radius: 10px; 
  transition: transform .2s ease, background .2s ease, color .2s ease; 
  font-weight: 500;
}
.nav-links a:hover { 
  background: var(--glass); 
  transform: translateY(-2px); 
  color: #ffffff; 
}
.nav-cta { 
  padding: var(--spacing-xs) var(--spacing-sm); 
  border-radius: 12px; 
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-700)); 
  color: white; 
  text-decoration: none; 
  box-shadow: 0 10px 20px rgba(10,132,255,0.25); 
  transition: transform .2s ease, box-shadow .2s ease; 
  font-weight: 600;
  margin-left: var(--spacing-sm);
}
.nav-cta:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 14px 30px rgba(10,132,255,0.35); 
}

/* Hero */
.hero { 
  position: relative; 
  padding: var(--spacing-4xl) 0 var(--spacing-2xl); 
  overflow: hidden; 
  margin-bottom: var(--spacing-xl);
}
.hero-grid { 
  display: grid; 
  grid-template-columns: 1.2fr 1fr; 
  gap: var(--spacing-2xl); 
  align-items: center; 
}
.eyebrow { 
  color: var(--color-muted); 
  font-weight: 600; 
  letter-spacing: 3px; 
  text-transform: uppercase; 
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}
.hero h1 { 
  font-size: clamp(32px, 6vw, 56px); 
  line-height: 1.1; 
  margin-bottom: var(--spacing-md); 
}
.hero p { 
  margin-bottom: var(--spacing-lg); 
  color: #cdd6e5; 
  font-size: clamp(16px, 2vw, 18px); 
  line-height: 1.6;
}
.hero-cta { 
  margin-top: var(--spacing-lg); 
  display: flex; 
  gap: var(--spacing-sm); 
  flex-wrap: wrap; 
}
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: var(--spacing-xs); 
  text-decoration: none; 
  padding: var(--spacing-sm) var(--spacing-md); 
  border-radius: 12px; 
  border: 1px solid rgba(148,163,184,0.2); 
  color: var(--color-text); 
  transition: transform .2s ease, background .2s ease, border-color .2s ease; 
  font-weight: 500;
  font-size: 1rem;
}
.btn:hover { 
  background: var(--glass); 
  transform: translateY(-2px); 
  border-color: rgba(148,163,184,0.35); 
}
.btn-primary { 
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-700)); 
  color: white; 
  border: none; 
  box-shadow: 0 12px 26px rgba(10,132,255,0.25); 
}
.btn-primary:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 16px 34px rgba(10,132,255,0.35); 
}

.hero-card { 
  position: relative; 
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.04)); 
  border: 1px solid rgba(148,163,184,0.15); 
  border-radius: 18px; 
  padding: var(--spacing-lg); 
  box-shadow: var(--shadow); 
  overflow: hidden; 
}
.hero-card::after { 
  content: ""; 
  position: absolute; 
  inset: -20% auto auto -20%; 
  width: 60%; 
  height: 60%; 
  background: radial-gradient(closest-side, rgba(10,132,255,0.25), rgba(10,132,255,0)); 
  filter: blur(30px); 
  transform: rotate(8deg); 
}
.badge { 
  display: inline-block; 
  background: rgba(10,132,255,0.2); 
  color: #dbeafe; 
  border: 1px solid rgba(10,132,255,0.35); 
  padding: var(--spacing-xs) var(--spacing-sm); 
  border-radius: 999px; 
  font-size: 12px; 
  letter-spacing: .4px; 
  margin-bottom: var(--spacing-sm);
}
.stat { 
  margin-top: var(--spacing-sm); 
  color: #cbd5e1; 
  font-size: 0.9rem;
}

/* Sections */
section { 
  padding: var(--spacing-3xl) 0; 
  margin-bottom: var(--spacing-lg);
}
.section-title { 
  font-size: clamp(22px, 3.5vw, 32px); 
  margin-bottom: var(--spacing-sm); 
  font-weight: 700;
}
.section-subtitle { 
  color: var(--color-muted); 
  margin-bottom: var(--spacing-lg); 
  font-size: 1.1rem;
  line-height: 1.5;
}

.cards { 
  display: grid; 
  grid-template-columns: repeat(3, minmax(0,1fr)); 
  gap: var(--spacing-lg); 
  margin-top: var(--spacing-lg);
}
.card { 
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.04)); 
  border: 1px solid rgba(148,163,184,0.15); 
  border-radius: 16px; 
  padding: var(--spacing-lg); 
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; 
  min-height: 200px;
  display: flex;
  flex-direction: column;
}
.card:hover { 
  transform: translateY(-4px); 
  box-shadow: 0 16px 40px rgba(0,0,0,0.35); 
  border-color: rgba(148,163,184,0.35); 
}
.card h3 {
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text);
}
.card p {
  color: var(--color-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* Footer */
footer { 
  margin-top: var(--spacing-2xl); 
  border-top: 1px solid rgba(148,163,184,0.15); 
  background: rgba(2,6,23,0.6); 
  padding: var(--spacing-xl) 0;
}
.footer-inner { 
  display: grid; 
  grid-template-columns: 1.2fr 1fr; 
  gap: var(--spacing-lg); 
  padding: var(--spacing-lg) 0; 
}
.footer-note { 
  color: var(--color-muted); 
  font-size: 14px; 
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}
.footer-links { 
  display: flex; 
  gap: var(--spacing-md); 
  flex-wrap: wrap; 
  align-items: center;
}
.footer-links a { 
  color: #cbd5e1; 
  text-decoration: none; 
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}
.footer-links a:hover { 
  color: #ffffff; 
  background: rgba(255,255,255,0.05);
}

/* Utilities */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.grid-2 { 
  display: grid; 
  grid-template-columns: repeat(2, minmax(0,1fr)); 
  gap: var(--spacing-lg); 
  margin-top: var(--spacing-lg);
}
.grid-3 { 
  display: grid; 
  grid-template-columns: repeat(3, minmax(0,1fr)); 
  gap: var(--spacing-lg); 
  margin-top: var(--spacing-lg);
}

/* Additional spacing utilities */
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

@media (max-width: 960px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero { 
    padding: var(--spacing-2xl) 0 var(--spacing-lg); 
  }
  .hero-grid { 
    grid-template-columns: 1fr; 
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .cards { 
    grid-template-columns: repeat(2, minmax(0,1fr)); 
    gap: var(--spacing-md);
  }
  
  .footer-inner { 
    grid-template-columns: 1fr; 
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .nav-links {
    gap: var(--spacing-xs);
  }
  
  .nav-links a {
    padding: var(--spacing-xs);
    font-size: 0.9rem;
  }
  
  .brand-text {
    font-size: 1.1rem;
  }
  
  .brand-logo {
    width: 56px;
    height: 56px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero {
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }
  
  .hero h1 {
    font-size: clamp(28px, 8vw, 40px);
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .btn {
    padding: var(--spacing-sm);
    font-size: 0.95rem;
  }
  
  .section-title {
    font-size: clamp(20px, 5vw, 28px);
  }
  
  .cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .card {
    padding: var(--spacing-md);
    min-height: auto;
  }
  
  .nav {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    min-height: auto;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
  }
  
  .nav-cta {
    margin-left: 0;
    margin-top: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }
  
  .hero {
    padding: var(--spacing-lg) 0 var(--spacing-sm);
  }
  
  .hero-card {
    padding: var(--spacing-md);
  }
  
  .brand {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .brand-text {
    font-size: 1rem;
  }
  
  .brand-logo {
    width: 48px;
    height: 48px;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .footer-links a {
    padding: var(--spacing-sm);
    text-align: center;
  }
}