/* Styles for WebstrixTech.com - Premium Futuristic Animated Website */

/* --- Theme Variables --- */
:root {
  --color-primary: #0066FF;      /* Electric Blue */
  --color-secondary: #FF6B00;    /* Neon Orange */
  --color-navy: #0B1020;         /* Dark Navy */
  
  /* Dark Theme Default */
  --bg-main: #060913;
  --bg-card: rgba(11, 16, 32, 0.65);
  --bg-nav: rgba(6, 9, 19, 0.75);
  --border-color: rgba(0, 102, 255, 0.2);
  --border-glow: rgba(0, 102, 255, 0.4);
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --grid-color: rgba(0, 102, 255, 0.05);
  --glow-shadow: 0 0 25px rgba(0, 102, 255, 0.25);
  --glow-orange: 0 0 25px rgba(255, 107, 0, 0.25);
  --input-bg: rgba(15, 23, 42, 0.6);
}

[data-theme="light"] {
  --bg-main: #F8FAFC;
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-nav: rgba(248, 250, 252, 0.8);
  --border-color: rgba(0, 102, 255, 0.15);
  --border-glow: rgba(0, 102, 255, 0.25);
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --grid-color: rgba(0, 102, 255, 0.04);
  --glow-shadow: 0 0 25px rgba(0, 102, 255, 0.12);
  --glow-orange: 0 0 25px rgba(255, 107, 0, 0.12);
  --input-bg: rgba(255, 255, 255, 0.9);
}

/* --- Base Reset & Setup --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  transition: background-color 0.4s ease, color 0.4s ease;
}

body {
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
}

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

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

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

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

/* --- Core Layout & Backgrounds --- */
.cyber-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
  z-index: 1;
}

.ambient-glow-1 {
  position: absolute;
  top: 10%;
  left: 15%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: absolute;
  bottom: 20%;
  right: 10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.08) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* --- Glassmorphism --- */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.glass:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-shadow);
}

.glass-orange:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--glow-orange);
}

/* --- Cursor Glow Follower --- */
.cursor-glow {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 60%);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  transition: opacity 0.3s ease;
  opacity: 0;
}

body:hover .cursor-glow {
  opacity: 1;
}

/* --- Loader Sequence --- */
.loader-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #060913;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s;
}

.loader-logo {
  position: relative;
  width: 100px;
  height: 100px;
  margin-bottom: 2rem;
}

.loader-circle {
  border: 4px solid rgba(0, 102, 255, 0.1);
  border-top: 4px solid var(--color-primary);
  border-bottom: 4px solid var(--color-secondary);
  border-radius: 50%;
  width: 100%;
  height: 100%;
  animation: spin 2s linear infinite;
}

.loader-inner-circle {
  position: absolute;
  top: 15%;
  left: 15%;
  width: 70%;
  height: 70%;
  border: 4px solid rgba(255, 107, 0, 0.1);
  border-left: 4px solid var(--color-secondary);
  border-right: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin-reverse 1.5s linear infinite;
}

.loader-text {
  font-family: 'Poppins', sans-serif;
  color: #FFFFFF;
  letter-spacing: 0.2rem;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.loader-bar-bg {
  width: 250px;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.loader-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 3px;
  transition: width 0.1s ease;
}

/* --- Hero Section Mock HUD Dashboard --- */
.hud-dashboard {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 102, 255, 0.25);
  background: rgba(11, 16, 32, 0.8);
}

.hud-dashboard::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 102, 255, 0.08),
    transparent
  );
  transform: skewX(-25deg);
  animation: radar-sweep 6s linear infinite;
}

.dashboard-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-primary);
  animation: pulse 2s infinite;
}

.dashboard-dot.orange {
  background-color: var(--color-secondary);
  box-shadow: 0 0 10px var(--color-secondary);
  animation-delay: 1s;
}

/* --- Glow Text & Typography --- */
.gradient-text-blue {
  background: linear-gradient(135deg, #FFFFFF 30%, #0066FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-orange {
  background: linear-gradient(135deg, #FFFFFF 30%, #FF6B00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-rainbow {
  background: linear-gradient(90deg, #FFFFFF 10%, #0066FF 50%, #FF6B00 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glow-btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.glow-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.glow-btn:hover::after {
  opacity: 1;
}

.glow-btn-primary {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.9), rgba(0, 77, 191, 0.9));
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.glow-btn-primary:hover {
  box-shadow: 0 4px 30px rgba(0, 102, 255, 0.6);
  transform: translateY(-2px);
}

.glow-btn-secondary {
  background: rgba(255, 107, 0, 0.08);
  border: 1px solid rgba(255, 107, 0, 0.2);
}

.glow-btn-secondary:hover {
  background: rgba(255, 107, 0, 0.15);
  border-color: rgba(255, 107, 0, 0.6);
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.3);
  transform: translateY(-2px);
}

/* --- Timeline Layout --- */
.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  transform: translateX(-50%);
}

.timeline-node {
  position: relative;
  margin-bottom: 5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.timeline-circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 3px solid var(--color-primary);
  z-index: 10;
  box-shadow: 0 0 15px var(--color-primary);
  transition: all 0.3s ease;
}

.timeline-node:nth-child(even) .timeline-circle {
  border-color: var(--color-secondary);
  box-shadow: 0 0 15px var(--color-secondary);
}

.timeline-content {
  width: 45%;
  position: absolute;
  transition: all 0.5s ease;
}

.timeline-node:nth-child(odd) .timeline-content {
  left: 0;
  padding-right: 3rem;
  text-align: right;
}

.timeline-node:nth-child(even) .timeline-content {
  right: 0;
  padding-left: 3rem;
  text-align: left;
}

@media (max-width: 768px) {
  .timeline-line {
    left: 20px;
  }
  .timeline-node {
    justify-content: flex-start;
    padding-left: 45px;
  }
  .timeline-circle {
    position: absolute;
    left: 11px;
  }
  .timeline-content {
    width: 100%;
    position: relative;
    padding: 0 !important;
    text-align: left !important;
  }
}

/* --- Technologies Grid --- */
.tech-tag {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.tech-tag:hover {
  transform: translateY(-5px);
}

.tech-grid-bg {
  background-image: 
    radial-gradient(circle, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* --- Chatbot Elements --- */
.chatbot-bubble {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.chatbot-bubble:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.7);
}

.chatbot-panel {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 380px;
  height: 500px;
  border-radius: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.chatbot-panel.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.chat-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-message {
  max-width: 80%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.4;
}

.chat-message.bot {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.chat-message.user {
  background: var(--color-primary);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

/* --- Theme Toggle Switch Button --- */
.theme-switch-btn {
  width: 48px;
  height: 24px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  position: relative;
  cursor: pointer;
  transition: background-color 0.3s;
}

.theme-switch-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #FFFFFF;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="light"] .theme-switch-thumb {
  transform: translateX(24px);
  background-color: var(--color-primary);
}

/* --- Keyframe Animations --- */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spin-reverse {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.5); opacity: 1; }
  100% { transform: scale(1); opacity: 0.4; }
}

@keyframes radar-sweep {
  0% { left: -100%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.floating-element {
  animation: float 4s ease-in-out infinite;
}

.floating-element-delayed {
  animation: float 4s ease-in-out infinite;
  animation-delay: 2s;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  color: var(--text-primary);
}

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

.back-to-top:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--glow-shadow);
}

/* --- Particle System Canvas Layout --- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

/* --- Scroll Progress Bar --- */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 10000;
  background: transparent;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width 0.1s ease-out;
}

/* --- Custom File Upload UI --- */
.dropzone {
  border: 2px dashed var(--border-color);
  transition: border-color 0.3s, background-color 0.3s;
}

.dropzone.dragover {
  border-color: var(--color-primary);
  background-color: rgba(0, 102, 255, 0.05);
}