/* Custom CSS styles for Bitintek Website */

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

:root {
  --color-dark-bg: #030712;
  --color-card-bg: rgba(11, 21, 40, 0.65);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-primary-blue: #0062FF;
  --color-cyan: #00D2FF;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-dark-bg);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #020617;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary-blue), var(--color-cyan));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-cyan);
}

/* Mesh & Grid Backgrounds */
.tech-grid-bg {
  background-image: 
    linear-gradient(rgba(0, 98, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 98, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
}

.radial-mesh-bg {
  background: radial-gradient(circle at 50% 50%, rgba(0, 98, 255, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.1) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(56, 189, 248, 0.08) 0%, transparent 50%);
}

.glow-card {
  background: var(--color-card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.glow-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(0, 210, 255, 0.06), transparent 40%);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.glow-card:hover::before {
  opacity: 1;
}

.glow-card:hover {
  border-color: rgba(0, 210, 255, 0.25);
  box-shadow: 0 10px 30px -15px rgba(0, 98, 255, 0.3);
  transform: translateY(-4px);
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes float-reverse {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(8px) rotate(-1.5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.05); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-reverse 7s ease-in-out infinite;
  animation-delay: 1.5s;
}

.pulse-glow-circle {
  animation: pulse-glow 8s ease-in-out infinite;
}

/* Scroll Reveal classes */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1), 
              transform 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Specific section glow dots */
.glow-dot {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Working process connector lines */
.connector-line {
  background: linear-gradient(90deg, var(--color-primary-blue), var(--color-cyan));
  height: 2px;
  position: absolute;
  top: 50%;
  z-index: 0;
}

/* Style for Back-to-Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.3s ease;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}