:root {
  --gradient-primary: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-success: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  --gradient-info: linear-gradient(135deg, #6ee7b7 0%, #34d399 100%);
  --gradient-warning: linear-gradient(135deg, #d4fc79 0%, #a3e635 100%);
  --color-text-dark: #1f3a1f;
  --color-text-light: #4b7563;
  --color-border: #d1f5e8;
}

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

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-text-dark);
  background-color: #ffffff;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #065f46 0%, #047857 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(52, 211, 153, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(110, 231, 183, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 6rem 1rem;
}

.hero-badge {
  display: inline-block;
}

.badge {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
}

.bg-gradient-primary {
  background: var(--gradient-primary) !important;
  color: white !important;
}

.domain-name {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-subtitle {
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero-description {
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.95;
}

/* Features Section */
.features-section {
  background-color: #ffffff;
  padding: 4rem 1rem !important;
}

.feature-card {
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  background: #ffffff;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: rgba(102, 126, 234, 0.2);
}

.feature-icon-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-left: auto;
  margin-right: auto;
}

.gradient-primary {
  background: var(--gradient-primary);
}

.gradient-success {
  background: var(--gradient-success);
}

.gradient-info {
  background: var(--gradient-info);
}

.gradient-warning {
  background: var(--gradient-warning);
}

.feature-icon-wrapper i {
  display: inline-block;
  vertical-align: middle;
}

.feature-card h3 {
  color: var(--color-text-dark);
  margin-top: 1rem;
}

.feature-card p {
  color: var(--color-text-light);
}

/* Specs Section */
.specs-section {
  background-color: #f9fafb !important;
  padding: 4rem 1rem !important;
}

.spec-card {
  padding: 2rem;
  border-radius: 0.75rem;
  background: white;
  border: 1px solid var(--color-border);
}

.spec-icon-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  font-size: 1.5rem;
  margin-left: auto;
  margin-right: auto;
}

.spec-icon-wrapper i {
  display: inline-block;
  vertical-align: middle;
}

.spec-label {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-value {
  font-size: 1.25rem;
  color: var(--color-text-dark);
}

/* Contact Section */
.contact-section {
  background-color: #ffffff;
  padding: 4rem 1rem !important;
}

.contact-form-wrapper {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  color: var(--color-text-dark);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.form-control {
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
  outline: none;
}

.form-control-lg {
  padding: 0.875rem 1.25rem !important;
  font-size: 1rem;
}

.form-textarea {
  resize: vertical;
  font-family: inherit;
}

.btn-gradient {
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
  color: white;
  text-decoration: none;
}

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

.btn-gradient:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  display: none;
  padding: 1rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  animation: slideDown 0.3s ease;
}

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

.form-status.success {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #d1fae5;
}

.form-status.error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fee2e2;
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Footer */
footer {
  margin-top: auto;
  background-color: #065f46;
}

footer p {
  color: #a7f3d0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    padding: 4rem 1rem;
  }

  .domain-name {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-description {
    font-size: 0.95rem;
  }

  .display-5 {
    font-size: 1.75rem;
  }

  .feature-card,
  .spec-card {
    padding: 1.5rem;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
  }

  .form-control-lg {
    padding: 0.75rem 1rem !important;
  }
}

@media (max-width: 480px) {
  .domain-name {
    font-size: 1.5rem;
  }

  .hero-badge {
    font-size: 0.75rem;
  }

  .feature-card,
  .spec-card {
    padding: 1rem;
  }

  .display-5 {
    font-size: 1.5rem;
  }

  .h5 {
    font-size: 0.95rem;
  }

  .feature-card p,
  .spec-card p {
    font-size: 0.875rem;
  }
}
