:root {
  --bg: #f3efe7;
  --ink: #17130f;
  --gray: #918a7c;
  --line: rgba(23, 19, 15, 0.28);
  --line-soft: rgba(23, 19, 15, 0.14);
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
}

body {
  font-family: 'Montserrat', -apple-system, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  padding-top: var(--safe-t);
  padding-bottom: var(--safe-b);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.stage {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8vh 6vw;
  padding-left: calc(6vw + var(--safe-l));
  padding-right: calc(6vw + var(--safe-r));
}

.content {
  text-align: center;
  max-width: 620px;
  width: 100%;
}

h1.mark {
  margin: 0 0 2.6rem;
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.eyebrow {
  margin: 0 0 1.4rem;
  font-size: clamp(0.78rem, 1.6vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 1s ease-out 0.5s forwards;
}

.subtitle {
  margin: 0 auto 3.6rem;
  max-width: 30em;
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  font-weight: 300;
  line-height: 1.6;
  color: var(--gray);
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 1s ease-out 0.85s forwards;
}

form.signup {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: clamp(1rem, 3vw, 2.2rem);
  max-width: 520px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 1s ease-out 1.15s forwards;
}

.field {
  flex: 1 1 auto;
  min-width: 0;
}

.field input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0.1rem;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.01em;
  outline: none;
  transition: border-color 0.3s ease;
}

.field input::placeholder {
  color: var(--gray);
  opacity: 0.85;
}

.field input:focus {
  border-bottom-color: var(--ink);
}

.field input:focus-visible {
  outline: 1px solid var(--line);
  outline-offset: 4px;
}

button.submit {
  flex: 0 0 auto;
  align-self: flex-end;
  background: none;
  border: none;
  border-bottom: 1px solid transparent;
  padding: 0.7rem 0.1rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.3s ease, opacity 0.3s ease;
}

button.submit:hover,
button.submit:focus-visible {
  border-bottom-color: var(--ink);
}

button.submit:focus-visible {
  outline: 1px solid var(--line);
  outline-offset: 4px;
}

button.submit:disabled {
  opacity: 0.45;
  cursor: default;
}

.status {
  margin-top: 1.4rem;
  min-height: 1.4em;
  font-size: 0.86rem;
  font-weight: 400;
  color: var(--gray);
  letter-spacing: 0.02em;
}

.status[data-state="error"] {
  color: #a5443a;
}

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

@media (max-width: 520px) {
  h1.mark { letter-spacing: 0.32em; text-indent: 0.32em; }
  .eyebrow { letter-spacing: 0.32em; text-indent: 0.32em; }
  form.signup {
    flex-direction: column;
    align-items: stretch;
    gap: 1.1rem;
  }
  button.submit {
    align-self: center;
    border-bottom: 1px solid var(--line);
    padding-bottom: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  h1.mark, .eyebrow, .subtitle, form.signup {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}