/* ============================================
   D4T LANDING PAGE - MAIN STYLES
   Corporate Technology Company
   ============================================ */

/* ---------- CSS VARIABLES / THEME ---------- */
:root {
  --primary: #0A1628;
  --primary-light: #111D35;
  --accent: #00B4D8;
  --accent-glow: #00D4FF;
  --accent-secondary: #0077B6;
  --white: #FFFFFF;
  --gray-100: #F0F4F8;
  --gray-200: #D9E2EC;
  --gray-300: #BCCCDC;
  --gray-400: #9FB3C8;
  --gray-500: #627D98;
  --gray-600: #486581;
  --gray-700: #334E68;
  --text-dark: #0A1628;
  --text-light: #CBD5E1;
  --success: #10B981;
  --gradient-hero: linear-gradient(135deg, #0A1628 0%, #0D2137 40%, #0F2B4A 100%);
  --gradient-accent: linear-gradient(135deg, #00B4D8, #0077B6);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(0, 180, 216, 0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- UTILITY CLASSES ---------- */
.text-accent { color: var(--accent); }
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}