@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@300;400;700;900&family=Space+Grotesk:wght@700&family=JetBrains+Mono:wght@400;700;800&display=swap');

:root {
  --bg-deep: #030305;
  --bg-panel: #07070a;

  --c-cyan: #00f5d4;
  --c-pink: #f15bb5;
  --c-purple: #9b5de5;
  --c-blue: #00bbf9;
  --c-gold: #ffd166;

  --tiranga-saffron: #FF9933;
  --tiranga-white: #FFFFFF;
  --tiranga-green: #138808;

  --text-main: #ffffff;
  --text-muted: #8b8b9f;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 30%, rgba(3, 3, 5, 0.6) 100%);
  z-index: 10;
}

::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: #1a1a24;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-purple);
}

::selection {
  background-color: var(--c-cyan);
  color: #000;
}

/* Font Utilities */
.font-hero {
  font-family: 'Outfit', sans-serif;
}

.font-display {
  font-family: 'Space Grotesk', sans-serif;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Premium Typography Elements */
.text-gradient-silver-cyan {
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f5 40%, #00f5d4 75%, #ffffff 100%);
  background-size: 200% 200%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shineSilver 6s ease-in-out infinite;
}

@keyframes shineSilver {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.text-gold-accent {
  background: linear-gradient(135deg, #FFDF00, #D4AF37, #FFDF00);
  background-size: 200% 200%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmerGold 4s infinite linear;
}

@keyframes shimmerGold {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.text-silver {
  background: linear-gradient(180deg, #ffffff 0%, #73738c 100%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.text-kinetic-gradient {
  background: linear-gradient(270deg, var(--c-pink), var(--c-purple), var(--c-cyan), var(--c-pink));
  background-size: 300% 300%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: kineticGradient 8s ease infinite;
}
@keyframes kineticGradient { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

.text-shimmer {
  background: linear-gradient(90deg, #ffffff 0%, #aaaaaa 50%, #ffffff 100%);
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmerText 3s linear infinite;
}
@keyframes shimmerText { to { background-position: 200% center; } }

.text-gradient-cosmic {
  background: linear-gradient(135deg, var(--c-cyan), var(--c-pink), var(--c-purple));
  background-size: 200% 200%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shineSilver 6s ease-in-out infinite alternate;
}

/* Word Reveal Splitting */
.word-line {
  overflow: hidden;
  display: inline-flex;
  padding-bottom: 0.2em; /* generous padding to avoid cutting descenders like 'p' and 'g' */
  margin-bottom: -0.2em;
  padding-right: 0.05em;
  vertical-align: top;
}

.word-line span {
  display: inline-block;
  transform-origin: top center;
  /* Hardcoded opacity removed to prevent disappearing text bugs */
}

/* Fix Canvas Rendering Gap */
#hero-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  object-fit: cover;
}

/* Hamburger Menu & Full Screen Overlay */
.hamburger-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  z-index: 100;
  transition: all 0.3s ease;
}

.hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background: #fff;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hamburger-btn.active .line-1 {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.active .line-2 {
  opacity: 0;
}

.hamburger-btn.active .line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 3, 5, 0.95);
  backdrop-filter: blur(30px);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.5s ease;
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  transform: translateY(30px);
  opacity: 0;
  transition: all 0.4s ease;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
  color: transparent;
}

.nav-overlay.active .nav-links a {
  transform: translateY(0);
  opacity: 1;
}

.nav-overlay.active .nav-links a:nth-child(1) {
  transition-delay: 0.1s;
}

.nav-overlay.active .nav-links a:nth-child(2) {
  transition-delay: 0.2s;
}

.nav-overlay.active .nav-links a:nth-child(3) {
  transition-delay: 0.3s;
}

.nav-overlay.active .nav-links a:nth-child(4) {
  transition-delay: 0.4s;
}

.nav-overlay.active .nav-links a:nth-child(5) {
  transition-delay: 0.5s;
}

.nav-links a:hover {
  color: #fff;
  -webkit-text-stroke: 0px;
  text-shadow: 0 0 30px var(--c-cyan);
}


/* India Map Premium Effect */
.india-map-container {
  position: relative;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 30px rgba(255, 153, 51, 0.2)) drop-shadow(0 0 30px rgba(19, 136, 8, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
}

.india-map-svg {
  width: 100%;
  height: auto;
  max-height: 500px;
  stroke: rgba(255, 255, 255, 0.3);
  stroke-width: 0.5;
  fill: url(#tiranga-gradient);
  transition: all 0.5s ease;
  opacity: 0.9;
  filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.1));
}

.map-glow-sweep {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(45deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
  background-size: 200% 200%;
  mask-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="..."/></svg>');
  animation: sweepGlow 4s infinite linear;
}

@keyframes sweepGlow {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* Tags & Badges */
.tag-elite {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
}

.tag-dot-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

/* Premium Buttons */
.btn-super {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #fff;
  color: #000;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 16px 36px;
  border-radius: 100px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 1;
}

.btn-super::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-purple), var(--c-pink));
  background-size: 200% 100%;
  border-radius: 100px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: bgPan 3s linear infinite;
}

.btn-super:hover {
  color: #fff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 30px rgba(155, 93, 229, 0.3);
}

.btn-super:hover::before {
  opacity: 1;
}

/* Premium Cards (Why AR7) */
.premium-panel {
  position: relative;
  background: #07070a;
  border-radius: 24px;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.premium-panel:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 0 40px rgba(255, 255, 255, 0.02);
}

.panel-line-draw {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-purple));
  transition: width 0.6s ease;
}

.premium-panel:hover .panel-line-draw {
  width: 100%;
}

/* App Presentation Cards */
.app-card {
  position: relative;
  border-radius: 24px;
  padding: 2px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
  z-index: 1;
  transition: transform 0.4s ease;
}

.app-card-sweep {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(transparent, transparent, transparent, var(--app-color, #fff));
  animation: rotateBorder 4s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -2;
}

.app-card:hover {
  transform: translateY(-8px);
}

.app-card:hover .app-card-sweep {
  opacity: 1;
}

.app-card-inner {
  position: relative;
  background: #07070a;
  border-radius: 23px;
  padding: 32px;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.app-screenshot {
  width: 100%;
  height: 220px;
  border-radius: 16px;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.app-card:hover .app-screenshot {
  transform: scale(1.02);
  border-color: rgba(255, 255, 255, 0.1);
}

.app-screenshot::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--app-color, #fff);
  filter: blur(60px);
  opacity: 0.15;
  transition: all 0.6s ease;
}

.app-card:hover .app-screenshot::after {
  opacity: 0.5;
  transform: scale(1.5);
}

/* Input Styling */
.input-premium {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px 20px;
  color: #fff;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  outline: none;
}

.input-premium:focus {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--c-cyan);
  box-shadow: 0 0 20px rgba(0, 245, 212, 0.15);
}

.input-premium-glow {
  position: absolute;
  inset: -1px;
  border-radius: 13px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-purple));
  z-index: -1;
  opacity: 0;
  filter: blur(8px);
  transition: opacity 0.3s ease;
}

.input-group:focus-within .input-premium-glow {
  opacity: 0.6;
}

/* Glassy Hamburger */
.premium-glass-burger {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), inset 0 0 10px rgba(255, 255, 255, 0.01);
}
.premium-glass-burger:hover {
  background: rgba(0, 245, 212, 0.04);
  border-color: rgba(0, 245, 212, 0.2);
  box-shadow: 0 8px 30px rgba(0, 245, 212, 0.15), 0 0 20px rgba(0, 245, 212, 0.1), inset 0 0 15px rgba(0, 245, 212, 0.02);
}
.premium-glass-burger:hover .hamburger-line {
  background: #00f5d4;
}

/* Button Upgrades for 10/10 */
.btn-primary-glass {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  color: #00f5d4;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.05) 0%, rgba(0, 245, 212, 0) 100%);
  border: 1px solid rgba(0, 245, 212, 0.3);
  box-shadow: 0 10px 30px rgba(0, 245, 212, 0.08), inset 0 0 15px rgba(0, 245, 212, 0.1);
  overflow: hidden;
}
.btn-primary-glass.super-shimmer::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: skewX(-20deg);
  animation: shineSweep 4s infinite;
}
@keyframes shineSweep {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}
.btn-primary-glass:hover {
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.12) 0%, rgba(0, 245, 212, 0.03) 100%);
  border-color: rgba(0, 245, 212, 0.5);
  color: #fff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 245, 212, 0.2), inset 0 0 25px rgba(0, 245, 212, 0.15);
}

/* Premium Chips for About Section */
.chip-premium-glass {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  color: #a1a1aa;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.65rem;
  border-radius: 100px;
  backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3), inset 0 0 10px rgba(255, 255, 255, 0.01);
  overflow: hidden;
  cursor: default;
}

.chip-premium-glass:hover {
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border-color: rgba(0, 245, 212, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(0, 245, 212, 0.1), inset 0 0 15px rgba(0, 245, 212, 0.05);
  color: #fff;
}

/* Very faint orbit rings inside the origin card */
.origin-orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(0, 245, 212, 0.04);
  pointer-events: none;
}
.origin-orbit-ring-1 {
  width: 120%;
  height: 120%;
  animation: spinSlow 40s linear infinite;
  border-top-color: rgba(0, 245, 212, 0.15);
}
.origin-orbit-ring-2 {
  width: 180%;
  height: 180%;
  animation: spinSlow 60s linear infinite reverse;
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.btn-secondary-glass {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), inset 0 0 15px rgba(255, 255, 255, 0.02);
}
.btn-secondary-glass:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.01) 100%);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 40px rgba(255, 255, 255, 0.06), inset 0 0 25px rgba(255, 255, 255, 0.04);
}

/* Light Sweep on AR7 text */
.shine-effect {
  position: relative;
  overflow: hidden;
}
.shine-effect::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  mix-blend-mode: overlay;
  animation: textShineSweep 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes textShineSweep {
  0% { left: -100%; opacity: 0; }
  10%, 30% { opacity: 1; }
  40%, 100% { left: 200%; opacity: 0; }
}

/* Digital Engineering Core Composition */
.perspective-1000 {
  perspective: 1000px;
}
.transform-style-3d {
  transform-style: preserve-3d;
}
.core-composite {
  transform-style: preserve-3d;
}
.core-layer {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  will-change: transform;
  transform-style: preserve-3d;
}

.core-pulse-glow {
  animation: corePulse 4s ease-in-out infinite alternate;
}
@keyframes corePulse {
  0% { opacity: 0.04; transform: translate(-50%, -50%) scale(0.95); }
  100% { opacity: 0.08; transform: translate(-50%, -50%) scale(1.05); }
}

.core-plate-1 {
  background: rgba(10, 10, 15, 0.4);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 245, 212, 0.03);
  box-shadow: 0 30px 60px rgba(0,0,0,0.8), inset 0 0 30px rgba(0,245,212,0.02);
  transform: rotateX(20deg) rotateY(-20deg) translateZ(-60px);
  overflow: hidden;
  animation: breathPlate1 10s ease-in-out infinite alternate;
}
@keyframes breathPlate1 {
  0% { transform: rotateX(20deg) rotateY(-20deg) translateZ(-60px); }
  100% { transform: rotateX(22deg) rotateY(-18deg) translateZ(-65px); }
}

.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(to right, rgba(0,245,212,0.03) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0,245,212,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
}

.core-ring-1 {
  display: flex; align-items: center; justify-content: center;
  transform: rotateX(20deg) rotateY(-20deg) translateZ(10px);
  animation: breathRing1 10s ease-in-out infinite alternate;
}
@keyframes breathRing1 {
  0% { transform: rotateX(20deg) rotateY(-20deg) translateZ(10px); }
  100% { transform: rotateX(22deg) rotateY(-18deg) translateZ(15px); }
}
.holographic-ring {
  width: 70%; height: 70%;
  border-radius: 50%;
  border: 1px solid rgba(0,245,212,0.05);
  border-top-color: rgba(0,245,212,0.3);
  border-bottom-color: rgba(255,255,255,0.1);
  animation: spinHoloRing 12s linear infinite;
  box-shadow: 0 0 15px rgba(0,245,212,0.03), inset 0 0 10px rgba(0,245,212,0.02);
}
@keyframes spinHoloRing {
  100% { transform: rotate(360deg); }
}

.core-plate-2 {
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 100%);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.03);
  transform: rotateX(20deg) rotateY(-20deg) translateZ(70px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  animation: breathPlate2 10s ease-in-out infinite alternate;
}
@keyframes breathPlate2 {
  0% { transform: rotateX(20deg) rotateY(-20deg) translateZ(70px); }
  100% { transform: rotateX(18deg) rotateY(-22deg) translateZ(75px); }
}
.data-pulse-path {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: dashPulse 4s linear infinite;
}
@keyframes dashPulse {
  to { stroke-dashoffset: -100; }
}
.core-node {
  animation: nodeGlow 2s ease-in-out infinite alternate;
}
@keyframes nodeGlow {
  0% { filter: drop-shadow(0 0 2px #fff); r: 2.5; fill: #fff; }
  100% { filter: drop-shadow(0 0 12px #00f5d4); r: 3.5; fill: #00f5d4; }
}

.central-node-wrapper {
  transform: rotateX(20deg) rotateY(-20deg) translateZ(120px);
  animation: floatCentralNode 8s ease-in-out infinite alternate;
}
@keyframes floatCentralNode {
  0% { transform: rotateX(20deg) rotateY(-20deg) translateZ(120px) translateY(0); }
  100% { transform: rotateX(18deg) rotateY(-22deg) translateZ(125px) translateY(-10px); }
}

.central-node {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fff 0%, #00f5d4 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  z-index: 10;
}
.central-node-inner {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #030305;
  border: 2px solid #00f5d4;
  animation: spinSlow 4s linear infinite;
}

.orbit-path {
  position: absolute;
  width: 140px; height: 140px;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.1);
  animation: orbitSpin 8s linear infinite;
  transform-style: preserve-3d;
}
.orbit-shard {
  position: absolute;
  top: -5px; left: 50%; transform: translateX(-50%);
  width: 10px; height: 10px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 15px 4px rgba(0,245,212,0.8);
}
@keyframes orbitSpin {
  100% { transform: rotate(360deg); }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Background Vignette */
.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 40%, rgba(3,3,5,0.9) 100%);
  pointer-events: none;
  z-index: 1;
}

/* Sections specific */
.ambient-horizon {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cyan), var(--c-purple), transparent);
  box-shadow: 0 0 50px 10px rgba(155, 93, 229, 0.3);
}

header.navbar-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  transition: background 0.4s ease;
}

header.navbar-fixed.scrolled {
  background: rgba(3, 3, 5, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ====================================
   OTHER PAGES (About, Contact, etc.)
==================================== */
.bg-grid-tech {
  background-image: 
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
}

.header-glow {
  position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
  width: 60vw; height: 60vw; border-radius: 50%;
  background: var(--header-color, rgba(255,255,255,0.1));
  filter: blur(120px); opacity: 0.15; pointer-events: none; z-index: 0;
  animation: breatheGlow 8s ease-in-out infinite alternate;
}
@keyframes breatheGlow { 
  from { opacity: 0.1; transform: translateX(-50%) scale(0.9); } 
  to { opacity: 0.25; transform: translateX(-50%) scale(1.1); } 
}

.faq-card {
  position: relative; background: #07070a; border-radius: 24px; padding: 32px;
  border: 1px solid rgba(255,255,255,0.05); border-left: 4px solid var(--c-purple);
  overflow: hidden; transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.faq-card::before {
  content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%); opacity: 0; transition: opacity 0.5s ease;
}
.faq-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.6), inset 0 0 30px rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.2);
}
.faq-card:hover::before { opacity: 1; }

/* =========================================
   APPS SHOWCASE ECOSYSTEM
========================================= */
.app-card {
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.app-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), inset 0 0 50px rgba(255, 255, 255, 0.02);
}

.app-card-sweep {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, var(--app-color) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 0;
  filter: blur(80px);
}

.app-card:hover .app-card-sweep {
  opacity: 0.08;
}

.app-card:hover .app-card-border {
  opacity: 0.6 !important;
  box-shadow: 0 0 20px var(--app-color), inset 0 0 15px var(--app-color);
}