:root {
  --rooted-green: #4A7C59;
  --light-leaf: #A8C686;
  --sky-blue: #00AFE8;
  --rust-clay: #B06F46;
  --slate-grey: #4C4C4C;
  --ivory: #FAF8F3;
  --deep-charcoal: #1C1C1C;

  --color-bg-light: var(--ivory);
  --color-bg-dark: var(--deep-charcoal);
  --color-bg: var(--color-bg-light);

  --color-text-light: var(--slate-grey);
  --color-text-dark: var(--ivory);
  --color-text: var(--color-text-light);

  --color-muted-light: var(--slate-grey);
  --color-muted-dark: var(--slate-grey);
  --color-muted: var(--color-muted-light);

  --color-input-bg-light: var(--ivory);
  --color-input-bg-dark: var(--deep-charcoal);
  --color-input-bg: var(--color-input-bg-light);

  --color-input-border-light: var(--slate-grey);
  --color-input-border-dark: var(--slate-grey);
  --color-input-border: var(--color-input-border-light);

  --color-btn-bg-light: var(--rooted-green);
  --color-btn-bg-dark: var(--rooted-green);
  --color-btn-bg: var(--color-btn-bg-light);

  --color-btn-text-light: var(--ivory);
  --color-btn-text-dark: var(--ivory);
  --color-btn-text: var(--color-btn-text-light);

  --color-success-light: var(--rooted-green);
  --color-success-dark: var(--rooted-green);
  --color-success: var(--color-success-light);

  --color-error-light: var(--rust-clay);
  --color-error-dark: var(--rust-clay);
  --color-error: var(--color-error-light);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--color-bg-dark);
    --color-text: var(--color-text-dark);
    --color-muted: #C8C8C8;
    --color-input-bg: var(--color-input-bg-dark);
    --color-input-border: var(--color-input-border-dark);
    --color-btn-bg: var(--color-btn-bg-dark);
    --color-btn-text: var(--color-btn-text-dark);
    --color-success: var(--color-success-dark);
    --color-error: var(--color-error-dark);
  }
}

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

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  background-color: #1C1C1C;
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  padding-bottom: calc(2rem + env(safe-area-inset-bottom));
}

h1{
  font-weight:700;
  letter-spacing:-0.015em;
  font-size:clamp(22px, 5.2vw, 28px);
  line-height:1.3;
  margin:0 0 12px;
  color:var(--color-text);
}

.container{
  max-width:880px;
  margin-inline:auto;
  padding:32px 20px;
  width:100%;
}
.center{
  min-height:calc(100dvh - 120px);
  display:grid;
  place-items:center;
}

.hero{
  width:100%;
  text-align:center;
}
.hero h1{
  margin:0 0 12px;
}

.sub{
  font-size:clamp(14px, 4vw, 16px);
  line-height:1.5;
  color:var(--color-muted);
  margin:0 0 22px;
  text-align:center;
  max-width:600px;
  margin-inline:auto;
}

.form {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 1rem; /* tighter spacing between input and Join button */
  margin-inline: auto;
}

.input {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-input-border) 85%, transparent);
  border-radius: 6px;
  background-color: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color 0.3s ease;
}

.input:focus {
  outline: none;
  border-color: var(--sky-blue);
  box-shadow: 0 0 0 3px rgba(0, 175, 232, 0.3);
}

.btn {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-btn-text);
  background-color: var(--color-btn-bg);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  box-shadow: 0 2px 0 rgba(0,0,0,.15);
}

.btn:hover,
.btn:focus {
  background-color: #3a6646;
  outline: none;
}

footer {
  margin-top: auto;
  padding: 1rem 0;
  font-size: 0.9rem;
  color: var(--color-muted);
  text-align: center;
  width: 100%;
  max-width: 600px;
}

#form-message {
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

#form-message.success {
  color: var(--color-success);
}

#form-message.error {
  color: var(--color-error);
}

@media (max-width: 480px){
  .hero{ padding: 0 4px; }
  .form{ gap:12px; }
  .input, .btn{ width:100%; }
  footer{ padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
}

/* Layout fix for the waitlist + beta buttons */
.form-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

/* Make both buttons align and match */
.btn {
  width: 100%;
  max-width: 400px;
}

/* Specific styling for the Beta button */
.beta-btn {
  display: inline-block;
  width: 100%;
  max-width: 400px;
  text-align: center;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-btn-text);
  background-color: var(--color-btn-bg);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 0 rgba(0,0,0,.15);
}

.beta-btn:hover,
.beta-btn:focus {
  background-color: #3a6646;
  transform: translateY(-2px);
  outline: none;
}

.form {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 10px; /* tighter spacing between input and Join button */
  margin-inline: auto;
  margin-bottom: 1rem;
}

.button-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px; /* consistent gap between form and beta button */
  margin-top: 1rem;
}