@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&display=swap');

:root {
  --primary: #ff4d00;
  --primary-glow: rgba(255, 77, 0, 0.15);
  --secondary: #ff9500;
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --text: #e0e0e0;
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
  padding-top: 80px;
  padding-bottom: 100px;
}

/* Ambient background effects */
body::before,
body::after {
  content: '';
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background: var(--primary);
  top: -100px;
  left: -100px;
  animation: float 20s infinite alternate;
}

body::after {
  background: var(--secondary);
  bottom: -100px;
  right: -100px;
  animation: float 15s infinite alternate-reverse;
}

.container {
  background: rgba(10, 10, 10, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  box-shadow: 
    0 4px 32px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 0 32px rgba(255, 77, 0, 0.05);
  padding: 3rem 2.5rem;
  max-width: 480px;
  width: 95vw;
  text-align: center;
  position: relative;
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.6s var(--transition), box-shadow 0.6s var(--transition);
  margin: 2rem auto;
}

.container:hover {
  transform: translateY(-4px) rotateX(2deg);
  box-shadow: 
    0 8px 48px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 0 48px rgba(255, 77, 0, 0.08);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px var(--primary-glow);
  animation: title-pulse 4s infinite;
}

textarea {
  width: 100%;
  min-height: 140px;
  background: rgba(15, 15, 15, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  color: var(--text);
  font-size: 1.1rem;
  padding: 1.2rem;
  margin-bottom: 1.5rem;
  resize: none;
  outline: none;
  font-family: 'Space Grotesk', sans-serif;
  transition: all 0.3s var(--transition);
  box-shadow: 
    0 4px 24px rgba(0, 0, 0, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

textarea:focus {
  border-color: var(--primary);
  box-shadow: 
    0 4px 32px rgba(255, 77, 0, 0.15),
    inset 0 0 0 1px var(--primary);
  transform: translateY(-2px);
}

button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.2rem;
  padding: 1rem 2.5rem;
  cursor: pointer;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--transition);
  box-shadow: 
    0 4px 24px rgba(255, 77, 0, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: 0.5s;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 32px rgba(255, 77, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.2);
}

button:hover::before {
  left: 100%;
}

button:active {
  transform: scale(0.98);
}

#message {
  margin-top: 2rem;
  font-size: 1.3rem;
  color: var(--primary);
  opacity: 0;
  transition: all 0.8s var(--transition);
  text-shadow: 0 0 20px var(--primary-glow);
  transform: translateY(20px);
}

#message.visible {
  opacity: 1;
  transform: translateY(0);
}

.hidden {
  display: none;
}

.burn {
  animation: burn-fade 1.8s var(--transition) forwards;
}

@keyframes burn-fade {
  0% {
    filter: none;
    opacity: 1;
    transform: scale(1);
  }
  20% {
    filter: brightness(1.2) blur(0.5px);
    opacity: 0.9;
  }
  40% {
    filter: brightness(1.5) blur(1px) drop-shadow(0 0 20px var(--primary));
    opacity: 0.7;
    transform: scale(1.02);
  }
  60% {
    filter: brightness(2) blur(2px) drop-shadow(0 0 40px var(--primary));
    opacity: 0.4;
  }
  80% {
    filter: brightness(2.5) blur(4px) drop-shadow(0 0 60px var(--primary));
    opacity: 0.2;
    transform: scale(1.05);
  }
  100% {
    filter: blur(8px) brightness(3);
    opacity: 0;
    transform: scale(1.1);
  }
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(30px, 30px) scale(1.1);
  }
}

@keyframes title-pulse {
  0%, 100% {
    text-shadow: 0 0 30px var(--primary-glow);
  }
  50% {
    text-shadow: 0 0 50px var(--primary-glow);
  }
}

.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

@media (max-width: 600px) {
  .container {
    padding: 2rem 1.5rem;
    margin: 1rem auto;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  textarea {
    font-size: 1rem;
    min-height: 120px;
  }
  
  button {
    font-size: 1.1rem;
    padding: 0.9rem 2rem;
  }
  
  #message {
    font-size: 1.2rem;
  }
}

/* Add these new styles after the existing .burn class */
.burning-text {
  position: relative;
  display: inline-block;
  animation: text-burn 0.8s var(--transition) forwards;
}

.burning-char {
  display: inline-block;
  position: relative;
  animation: char-burn 0.6s var(--transition) forwards;
}

@keyframes text-burn {
  0% {
    filter: none;
    opacity: 1;
  }
  20% {
    filter: brightness(1.2) blur(0.5px);
  }
  40% {
    filter: brightness(1.5) blur(1px);
  }
  60% {
    filter: brightness(2) blur(2px);
  }
  80% {
    filter: brightness(2.5) blur(3px);
  }
  100% {
    filter: brightness(3) blur(4px);
    opacity: 0;
  }
}

@keyframes char-burn {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
    text-shadow: 0 0 0 var(--primary);
  }
  20% {
    transform: translateY(-2px) scale(1.1);
    opacity: 0.8;
    text-shadow: 0 0 8px var(--primary);
  }
  40% {
    transform: translateY(-4px) scale(1.2);
    opacity: 0.6;
    text-shadow: 0 0 16px var(--primary);
  }
  60% {
    transform: translateY(-6px) scale(1.3);
    opacity: 0.4;
    text-shadow: 0 0 24px var(--primary);
  }
  80% {
    transform: translateY(-8px) scale(1.4);
    opacity: 0.2;
    text-shadow: 0 0 32px var(--primary);
  }
  100% {
    transform: translateY(-10px) scale(1.5);
    opacity: 0;
    text-shadow: 0 0 40px var(--primary);
  }
}

/* AI Face Styles */
.ai-face {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  opacity: 0;
  transition: all 0.5s var(--transition);
  box-shadow: 
    0 0 20px rgba(255, 77, 0, 0.2),
    inset 0 0 10px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
}

.ai-face.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ai-face.thinking {
  animation: thinking 2s infinite;
}

.ai-face.burning {
  animation: burning 1s infinite;
}

.ai-face.relieved {
  animation: relieved 1s infinite;
}

@keyframes thinking {
  0%, 100% {
    transform: translateX(-50%) rotate(-5deg);
  }
  50% {
    transform: translateX(-50%) rotate(5deg);
  }
}

@keyframes burning {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    filter: brightness(1);
  }
  50% {
    transform: translateX(-50%) scale(1.1);
    filter: brightness(1.5);
  }
}

@keyframes relieved {
  0%, 100% {
    transform: translateX(-50%) scale(1);
  }
  50% {
    transform: translateX(-50%) scale(1.05);
  }
}

/* Footer Styles */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  background: linear-gradient(to top, rgba(10, 10, 10, 0.95), rgba(10, 10, 10, 0.8));
  backdrop-filter: blur(10px);
  z-index: 100;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-section {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 0.3rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
}

.footer-link:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.footer-note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 0.2rem;
  padding: 0 1rem;
}

@media (max-width: 600px) {
  .footer {
    padding: 0.8rem;
  }
  
  .footer-section {
    gap: 1rem;
  }
  
  .footer-link {
    font-size: 0.8rem;
    padding: 0.2rem 0.4rem;
  }
  
  .footer-note {
    font-size: 0.7rem;
    padding: 0 0.5rem;
  }
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.95), rgba(10, 10, 10, 0.8));
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px var(--primary-glow);
}

.tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.support-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.support-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.support-icon {
    font-size: 1.1rem;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .header {
        padding: 0.8rem;
    }

    .header-content {
        padding: 0 0.5rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .tagline {
        font-size: 0.8rem;
    }

    .support-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    body {
        padding-top: 70px;
    }
}