/* ==========================================================================
   Pelle Info Systems Pvt Ltd - Base Styles & Utilities
   ========================================================================== */

/* Modern Font Imports */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* Box sizing and clean baseline */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Atmosphere */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 15%, rgba(0, 102, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 75%, rgba(0, 210, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(16, 30, 56, 0.4) 0%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: -0.03em;
  font-weight: 800;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

p.lead {
  font-size: 1.25rem;
  color: #cbd5e1;
  line-height: 1.6;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--text-white);
}

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

ul, ol {
  list-style: none;
}

/* Custom Selection */
::selection {
  background: rgba(0, 102, 255, 0.4);
  color: #FFFFFF;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Shared Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6.5rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 4rem auto;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

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

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(0, 102, 255, 0.12);
  border: 1px solid rgba(0, 102, 255, 0.35);
  border-radius: var(--radius-full);
  color: var(--text-accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.tag-badge.emerald {
  background: rgba(0, 229, 163, 0.1);
  border-color: rgba(0, 229, 163, 0.3);
  color: var(--accent-emerald);
}

.tag-badge.amber {
  background: rgba(255, 176, 32, 0.12);
  border-color: rgba(255, 176, 32, 0.3);
  color: var(--accent-amber);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 14px var(--accent-cyan); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.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;
}