static/style.css

/* Premium Dark Tech Theme */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@400;500;700&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg-dark: #0a0f1e;
  --surface-dark: #111827;
  --border-dark: #1f2937;
  --primary-cyan: #06b6d4;
  --success-emerald: #10b981;
  --danger-rose: #f43f5e;
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.08), transparent 35%),
    radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.08), transparent 35%),
    radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.05), transparent 40%);
  background-attachment: fixed;
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Custom Gradients & Animations */
.hero-gradient-text {
  background: linear-gradient(to right, #ffffff, var(--primary-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card-hover {
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

.card-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px -10px rgba(6, 182, 212, 0.3), 0 0 20px rgba(168, 85, 247, 0.15) inset;
  border-color: rgba(6, 182, 212, 0.6);
  background: rgba(17, 24, 39, 0.85);
}

.glass-card {
  background: rgba(17, 24, 39, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

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

/* Inputs */
.floating-input {
  background-color: var(--surface-dark);
  border: 1px solid var(--border-dark);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.floating-input:focus {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
  outline: none;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  color: white;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.5);
  transform: translateY(-1px);
}

/* Base HTML & Chatbot */
.backdrop-blur-nav {
  backdrop-filter: blur(12px);
  background-color: rgba(10, 15, 30, 0.8);
  border-bottom: 1px solid var(--border-dark);
}

/* Chatbot Styles */
#chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  font-family: 'DM Sans', sans-serif;
  perspective: 1000px;
}

#chat-toggle {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-cyan), #0056b3, #0891b2, var(--primary-cyan));
  background-size: 300% 300%;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.6), 0 0 50px rgba(6, 182, 212, 0.2);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 2px solid rgba(255, 255, 255, 0.2);
  animation: gradientShift 5s ease infinite, pulseGlow 2s infinite;
}

@keyframes gradientShift { 0% { background-position: 0% 50% } 50% { background-position: 100% 50% } 100% { background-position: 0% 50% } }
@keyframes pulseGlow { 0% { box-shadow: 0 0 15px rgba(6, 182, 212, 0.4); } 50% { box-shadow: 0 0 35px rgba(6, 182, 212, 0.8), 0 0 55px rgba(6, 182, 212, 0.4); } 100% { box-shadow: 0 0 15px rgba(6, 182, 212, 0.4); } }

#chat-toggle:hover {
  transform: scale(1.1) rotate(5deg);
}

#chat-panel {
  position: absolute;
  bottom: 90px;
  right: 0;
  width: calc(100vw - 4rem);
  max-width: 400px;
  height: 70vh;
  max-height: 580px;
  background: rgba(17, 24, 39, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 1.5rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 20px rgba(6, 182, 212, 0.1) inset;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity 0.4s cubic-bezier(0.19, 1, 0.22, 1), transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  opacity: 0;
  transform: translateY(40px) scale(0.9) rotateX(-5deg);
  pointer-events: none;
  transform-origin: bottom right;
}

@media (max-width: 640px) {
  #chat-widget {
    bottom: 1rem;
    right: 1rem;
  }
  #chat-panel {
    bottom: 80px;
    width: calc(100vw - 2rem);
    height: 75vh;
  }
  #chat-toggle {
    width: 55px;
    height: 55px;
  }
}

#chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1) rotateX(0deg);
  pointer-events: auto;
}

#chat-header {
  padding: 1.25rem;
  border-bottom: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.15) 0%, rgba(17, 24, 39, 0) 100%);
  position: relative;
}

#chat-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-cyan), transparent);
}

#chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(6, 182, 212, 0.5) transparent;
}

#chat-messages::-webkit-scrollbar {
  width: 6px;
}
#chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
#chat-messages::-webkit-scrollbar-thumb {
  background-color: rgba(6, 182, 212, 0.5);
  border-radius: 20px;
}

.chat-bubble {
  max-width: 85%;
  padding: 0.9rem 1.2rem;
  border-radius: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.5;
  word-wrap: break-word;
  animation: messageSlideIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  opacity: 0;
  transform: translateY(10px);
}

@keyframes messageSlideIn {
  to { opacity: 1; transform: translateY(0); }
}

.chat-user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary-cyan), #0056b3);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
  box-shadow: 0 5px 15px rgba(6, 182, 212, 0.3);
}

.chat-bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-bottom-left-radius: 0.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

#chat-input-area {
  padding: 1.25rem;
  border-top: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
}

#chat-input {
  flex: 1;
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 2rem;
  outline: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

#chat-input:focus {
  border-color: var(--primary-cyan);
  background-color: rgba(6, 182, 212, 0.05);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

#chat-send {
  background: linear-gradient(135deg, var(--primary-cyan), #0891b2);
  color: white;
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 10px rgba(6, 182, 212, 0.4);
}

#chat-send:active {
  transform: scale(0.95);
}

/* Online indicator for bot */
.online-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--success-emerald);
  animation: blink 2s infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Typing indicator */
.typing-indicator {
  display: none;
  align-self: flex-start;
  background-color: #1f2937;
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  border-bottom-left-radius: 0.25rem;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  display: inline-block;
  margin: 0 2px;
  animation: typing 1.4s infinite cubic-bezier(0.2, 0.8, 0.2, 1);
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.5); opacity: 1; }
}

/* Results */
.result-card {
  animation: slideIn 0.5s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Spinner */
.loader-spinner {
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  display: none;
}

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

/* New Hero Title Styles */
.hero-gradient-text-new {
  background: linear-gradient(90deg, #06b6d4, #a855f7, #ffffff, #06b6d4);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientSweep 6s linear infinite;
  text-shadow: 0 0 20px rgba(6, 182, 212, 0.4), 0 0 40px rgba(6, 182, 212, 0.2);
}

@keyframes gradientSweep {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

/* Typewriter Effect Container */
.typewriter-text {
  overflow: hidden;
  white-space: nowrap;
  display: inline-block;
  border-right: 3px solid rgba(255, 255, 255, 0.8);
  animation: typingEffect 3s steps(40, end), blinkCursor 0.75s step-end infinite;
}

@keyframes typingEffect {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blinkCursor {
  from, to { border-color: transparent; }
  50% { border-color: rgba(255, 255, 255, 0.8); }
}

@media (max-width: 1024px) {
  .typewriter-text {
    white-space: normal;
    animation: none;
    border-right: none;
    width: 100%;
  }
}

/* Line 2 Animation */
.delayed-fade-in {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUpIn 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  animation-delay: 3s; /* Wait for typewriter to finish */
}

@keyframes fadeUpIn {
  to { opacity: 1; transform: translateY(0); }
}

.highlight-cyan-glow {
  position: relative;
  display: inline-block;
}
.highlight-cyan-glow::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-cyan);
  box-shadow: 0 0 8px var(--primary-cyan), 0 0 12px var(--primary-cyan);
  border-radius: 2px;
}