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

:root {
  --color-bg: #f5f5f7;
  --color-card: #ffffff;
  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-primary: #0071e3;
  --color-primary-hover: #0077ed;
  --color-success: #34c759;
  --color-error: #ff3b30;
  --color-border: #d2d2d7;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
  background-attachment: fixed;
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  padding: 2.5rem;
}

/* Domain Section */
.domain-section {
  text-align: center;
  margin-bottom: 2rem;
}

.domain-name {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  word-break: break-all;
  margin-bottom: 0.5rem;
}

.tagline {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.badge svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* Form Styles */
.offer-form h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.required {
  color: var(--color-error);
}

.optional {
  color: var(--color-text-secondary);
  font-weight: 400;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-card);
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.input-with-prefix {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-prefix .prefix {
  position: absolute;
  left: 1rem;
  color: var(--color-text-secondary);
  font-size: 1rem;
  pointer-events: none;
}

.input-with-prefix input {
  padding-left: 2rem;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Remove number input spinners */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/* Submit Button */
.submit-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.submit-btn:hover {
  background: var(--color-primary-hover);
}

.submit-btn:active {
  transform: scale(0.98);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-loading {
  display: none;
}

.submit-btn.loading .btn-text {
  display: none;
}

.submit-btn.loading .btn-loading {
  display: block;
}

.spinner {
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Success/Error Messages */
.success-message,
.error-message {
  text-align: center;
  padding: 2rem 0;
}

.success-message svg {
  color: var(--color-success);
  margin-bottom: 1rem;
}

.error-message svg {
  color: var(--color-error);
  margin-bottom: 1rem;
}

.success-message h2,
.error-message h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.success-message p,
.error-message p {
  color: var(--color-text-secondary);
}

.retry-btn {
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s;
}

.retry-btn:hover {
  background: rgba(0, 113, 227, 0.05);
}

[hidden] {
  display: none !important;
}

/* Footer */
footer {
  margin-top: 2rem;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* Responsive adjustments */
@media (max-width: 520px) {
  .card {
    padding: 1.5rem;
  }

  .trust-badges {
    gap: 1rem;
  }

  .badge {
    font-size: 0.75rem;
  }

  .badge svg {
    width: 16px;
    height: 16px;
  }
}

/* Honeypot field - visually hidden but accessible to bots */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

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

/* Dark mode support (optional - follows system preference) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1d1d1f;
    --color-card: #2c2c2e;
    --color-text: #f5f5f7;
    --color-text-secondary: #98989d;
    --color-border: #3a3a3c;
  }

  input[type="text"],
  input[type="email"],
  input[type="number"],
  textarea {
    background: #1d1d1f;
  }
}