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

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --bg-dark: #0a0a0a;
  --bg-light: #ffffff;
  --text-primary: #171717;
  --text-secondary: #6b7280;
  --text-light: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background: var(--bg-dark);
  color: var(--text-light);
}

/* Animated Background Gradient */
.background-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

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

/* Particles Effect */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 100px 100px, 150px 150px, 200px 200px;
  background-position: 0 0, 50px 50px, 100px 100px;
  animation: particlesMove 20s linear infinite;
  opacity: 0.5;
}

@keyframes particlesMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-100px, -100px);
  }
}

/* Container */
.container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.content-wrapper {
  width: 100%;
  max-width: 680px;
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Logo */
.logo-container {
  margin-bottom: 3rem;
  animation: fadeIn 1.2s ease-out;
}

.logo {
  max-width: 200px;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Hero Section */
.hero {
  margin-bottom: 3rem;
}

.headline {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 20px rgba(255, 255, 255, 0.1);
}

.headline-line {
  display: block;
  line-height: 1.2;
}

.headline-line:not(:first-child) {
  margin-top: 0.5rem;
}

.headline-sub {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  display: block;
  margin-top: 0.5rem;
  line-height: 1.2;
}

.tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

/* Form Container */
.form-container {
  margin-bottom: 4rem;
}

.email-form {
  margin-bottom: 1.5rem;
}

.input-wrapper {
  display: flex;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 0.5rem;
  box-shadow: var(--shadow-xl);
  transition: all 0.3s ease;
}

.input-wrapper:focus-within {
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.email-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-light);
  font-size: 1rem;
  padding: 1rem 1.25rem;
  font-family: inherit;
}

.email-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.submit-button {
  background: var(--primary-gradient);
  border: none;
  border-radius: 12px;
  padding: 1rem 2rem;
  color: var(--text-light);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  font-family: inherit;
  box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

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

.button-icon {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.submit-button:hover .button-icon {
  transform: translateX(4px);
}

/* Success Message */
.success-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(34, 197, 94, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 12px;
  color: #86efac;
  font-weight: 500;
  animation: slideDown 0.5s ease-out;
}

.success-message.hidden {
  display: none;
}

.checkmark {
  background: #22c55e;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.coming-soon-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.footer-subtext {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1.5rem;
  }

  .logo-container {
    margin-bottom: 2rem;
  }

  .logo {
    max-width: 150px;
  }

  .hero {
    margin-bottom: 2.5rem;
  }

  .input-wrapper {
    flex-direction: column;
    gap: 0.5rem;
  }

  .submit-button {
    width: 100%;
    justify-content: center;
  }

  .email-input {
    padding: 0.875rem 1rem;
  }
}

@media (max-width: 480px) {
  .headline {
    font-size: 1.75rem;
  }

  .tagline {
    font-size: 0.9375rem;
  }

  .logo {
    max-width: 120px;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}