@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
  --color-surface: #0a0e14;
  --color-surface-elevated: #12171f;
  --color-surface-input: #161b22;
  --color-border: #21262d;
  --color-border-subtle: #1a2129;
  --color-text: #e6edf3;
  --color-text-secondary: #c9d1d9;
  --color-text-muted: #8b949e;
  --color-accent: #58a6ff;
  --color-accent-hover: #79b8ff;
  --color-accent-muted: #3d7bdd;
  --color-brand-glow: rgba(61, 123, 221, 0.14);
  --color-success: #3fb950;
  --color-error: #f85149;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --radius-md: 0.625rem;
  --radius-lg: 0.75rem;
  --shadow-glow: 0 0 80px var(--color-brand-glow);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-surface);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-brand-glow), transparent),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(13, 17, 23, 0.8), transparent);
  min-height: 100vh;
}

::selection {
  background: rgba(88, 166, 255, 0.25);
  color: var(--color-text);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fade-up 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fade-up-delay {
  animation: fade-up 0.65s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

.fade-up-delay-2 {
  animation: fade-up 0.65s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

@media (prefers-reduced-motion: reduce) {

  .fade-up,
  .fade-up-delay,
  .fade-up-delay-2 {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.hero-badge {
  letter-spacing: 0.18em;
}

.page-home {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.page-home main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem 0.25rem;
}

.page-home footer {
  flex-shrink: 0;
  padding-bottom: 1rem;
}

.logo-wrap {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.35));
}

.signup-panel {
  background: linear-gradient(180deg, rgba(22, 27, 34, 0.6) 0%, rgba(18, 23, 31, 0.4) 100%);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-glow);
}

.input-field {
  background-color: var(--color-surface-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-field::placeholder {
  color: var(--color-text-muted);
}

.input-field:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-surface);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-accent-hover);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.footer-nav a {
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-divider {
  border-top: 1px solid var(--color-border-subtle);
  margin: 0 auto 0.625rem;
  max-width: 24rem;
}

.text-accent {
  color: var(--color-accent);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-success {
  color: var(--color-success);
}

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

.prose-page {
  color: var(--color-text-secondary);
}

.prose-page h2 {
  color: var(--color-text);
}

.prose-page a {
  color: var(--color-accent);
}

.prose-page a:hover {
  text-decoration: underline;
}