@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

:root {
  --indigo-deep: oklch(0.18 0.13 282);
  --indigo-medium: oklch(0.24 0.12 280);
  --gold: oklch(0.88 0.17 95);
  --gold-light: #E8C96A;
  --form-bg: oklch(0.985 0.005 250);
  --text-on-dark: oklch(0.96 0.01 280);
  --text-muted-on-dark: oklch(0.78 0.04 280);
  --text-on-light: oklch(0.22 0.05 280);
  --text-muted-on-light: oklch(0.45 0.03 280);
  --border-on-light: oklch(0.9 0.01 280);

  --font-display: 54px;
  --font-title: 30px;
  --font-label: 11px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-on-light);
  min-height: 100vh;
}

a {
  color: inherit;
}

/* Layout: split screen */
.layout {
  display: flex;
  min-height: 100vh;
}

.brand-panel {
  position: relative;
  flex: 0 0 52%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 56px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--indigo-deep) 0%, var(--indigo-medium) 100%);
  color: var(--text-on-dark);
}

.form-panel {
  flex: 0 0 48%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px;
  background: var(--form-bg);
}

.copyright {
  margin-top: 40px;
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
  color: var(--text-muted-on-light);
}

@media (max-width: 1024px) {
  .layout {
    flex-direction: column;
  }
  .brand-panel,
  .form-panel {
    flex: 1 1 auto;
  }
  .brand-panel {
    padding: 40px 32px;
    min-height: 320px;
  }
  .form-panel {
    padding: 40px 24px;
  }
}

/* Decorative grid overlay */
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(1 0 0 / 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(1 0 0 / 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

/* Animated blurred orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  pointer-events: none;
  animation: float 18s var(--ease-out) infinite alternate;
}

.orb-gold {
  width: 360px;
  height: 360px;
  background: var(--gold);
  top: -90px;
  right: -90px;
}

.orb-indigo {
  width: 420px;
  height: 420px;
  background: var(--indigo-medium);
  bottom: -140px;
  left: -120px;
  animation-delay: -9s;
}

@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 40px) scale(1.08); }
}

/* Brand panel content */
.brand-content {
  position: relative;
  z-index: 1;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-name {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  padding: 8px 16px;
  border-radius: 999px;
  background: oklch(1 0 0 / 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid oklch(0.88 0.17 95 / 0.35);
  color: var(--gold-light);
  font-size: var(--font-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.brand-title {
  margin-top: 24px;
  font-size: var(--font-display);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 11ch;
  text-shadow: 0 0 28px oklch(0.88 0.17 95 / 0.22);
}

.brand-subtitle {
  margin-top: 20px;
  max-width: 46ch;
  font-size: 16px;
  color: var(--text-muted-on-dark);
}

.brand-footer {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 32px;
  font-size: var(--font-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted-on-dark);
}

/* Form panel content */
.form-card {
  width: 100%;
  max-width: 380px;
  margin: auto 0;
}

.form-eyebrow {
  font-size: var(--font-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted-on-light);
}

.form-title {
  margin-top: 8px;
  font-size: var(--font-title);
  font-weight: 800;
  color: var(--text-on-light);
}

.form-description {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text-muted-on-light);
}

form {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: var(--font-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted-on-light);
}

.field input {
  height: 48px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--border-on-light);
  background: oklch(1 0 0);
  font: inherit;
  font-size: 15px;
  color: var(--text-on-light);
  transition: border-color 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
}

.field input::placeholder {
  color: oklch(0.65 0.02 280);
}

.field input:focus-visible {
  outline: none;
  border-color: var(--indigo-medium);
  box-shadow: 0 0 0 3px oklch(0.24 0.12 280 / 0.18);
}

.field-error {
  min-height: 18px;
  font-size: 13px;
  color: oklch(0.58 0.21 25);
}

.form-error-banner {
  display: none;
  padding: 12px 16px;
  border-radius: 10px;
  background: oklch(0.97 0.03 25);
  border: 1px solid oklch(0.85 0.1 25);
  color: oklch(0.5 0.2 25);
  font-size: 14px;
}

.form-error-banner.is-visible {
  display: block;
}

/* Submit button with shimmer */
.submit-btn {
  position: relative;
  margin-top: 4px;
  height: 50px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--indigo-deep);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  overflow: hidden;
  transition: transform 150ms var(--ease-out), box-shadow 150ms var(--ease-out), filter 150ms var(--ease-out);
}

.submit-btn:hover {
  filter: brightness(1.04);
  box-shadow: 0 8px 24px oklch(0.88 0.17 95 / 0.35);
}

.submit-btn:active {
  transform: translateY(1px);
}

.submit-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px oklch(0.24 0.12 280 / 0.3);
}

.submit-btn:disabled {
  cursor: progress;
  filter: saturate(0.6);
}

.submit-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, oklch(1 0 0 / 0.5) 50%, transparent 70%);
  transform: translateX(-120%);
}

.submit-btn:hover::after {
  animation: shimmer 1.1s var(--ease-out);
}

@keyframes shimmer {
  to { transform: translateX(120%); }
}

.btn-label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid oklch(0.18 0.13 282 / 0.3);
  border-top-color: var(--indigo-deep);
  animation: spin 0.7s linear infinite;
}

.submit-btn[aria-busy="true"] .spinner {
  display: inline-block;
}

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

.form-footnote {
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-muted-on-light);
  text-align: center;
}

/* Cascading fade-up entrance */
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  animation: fade-up 600ms var(--ease-out) forwards;
}

.fade-up-1 { animation-delay: 0ms; }
.fade-up-2 { animation-delay: 120ms; }
.fade-up-3 { animation-delay: 240ms; }

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .orb {
    animation: none;
  }
  .fade-up {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .submit-btn:hover::after {
    animation: none;
  }
  .spinner {
    animation-duration: 1.4s;
  }
  * {
    transition-duration: 0.01ms !important;
  }
}