:root {
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-blue: #2563eb;
  --accent-red: #dc2626;
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #dc2626 100%);
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f0f4f8;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  position: relative;
}

body.modal-open {
  overflow: hidden;
}

.liquid-bg {
  position: absolute;
  inset: -20%;
  background: 
    radial-gradient(circle at 20% 25%, rgba(37, 99, 235, 0.18) 0%, transparent 55%),
    radial-gradient(circle at 80% 75%, rgba(220, 38, 38, 0.14) 0%, transparent 55%),
    linear-gradient(145deg, #e2e8f0 0%, #f8fafc 100%);
  filter: blur(80px) saturate(1.1);
  animation: fluidDrift 22s ease-in-out infinite alternate;
  z-index: -1;
}

@keyframes fluidDrift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-4%, 3%) scale(1.03); }
  100% { transform: translate(3%, -4%) scale(1); }
}

.glass-panel {
  width: 90%;
  max-width: 680px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(130%);
  -webkit-backdrop-filter: blur(24px) saturate(130%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 4rem 3rem;
  text-align: center;
  box-shadow: 
    0 16px 40px rgba(15, 23, 42, 0.12),
    inset 0 1px 0 var(--glass-highlight);
  position: relative;
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent-red);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.25);
}

.brand {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
  line-height: 1;
}

.brand::after {
  content: ':';
  color: var(--accent-red);
}

.tagline {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.01em;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.email-input {
  flex: 1;
  min-width: 220px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: all 0.25s ease;
}

.email-input::placeholder {
  color: #64748b;
}

.email-input:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.notify-btn {
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  background: var(--gradient-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.notify-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(220, 38, 38, 0.35);
}

.notify-btn:active {
  transform: translateY(0);
}

/* Contact toggle button */
.contact-toggle {
  margin-top: 1.5rem;
  padding: 10px 22px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.4);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.contact-toggle:hover {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Modal Glass Panel */
.modal-glass {
  width: 100%;
  max-width: 520px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  position: relative;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-glass {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.08);
  color: var(--text-primary);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--accent-red);
  color: #fff;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.modal-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.8rem;
  line-height: 1.5;
}

/* Contact Form Styles */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #64748b;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  margin-top: 0.5rem;
  padding: 14px 24px;
  border-radius: 12px;
  border: none;
  background: var(--gradient-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.28);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.32);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.footer {
  margin-top: 2.5rem;
  padding: 1.5rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  opacity: 0.85;
  letter-spacing: 0.02em;
}

.footer a {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.footer a:hover {
  color: var(--accent-red);
  text-decoration: underline;
}

@media (max-width: 640px) {
  .glass-panel {
    padding: 3.5rem 1.5rem;
  }
  .glass-panel::before {
    top: 2rem;
  }
  .brand {
    font-size: 2.8rem;
  }
  .cta-form {
    flex-direction: column;
  }
  .email-input, .notify-btn {
    width: 100%;
  }
  .modal-glass {
    padding: 2rem 1.5rem;
  }
  .modal-title {
    font-size: 1.5rem;
  }
}