:root {
  --bg-1: #f3ede4;
  --bg-2: #e7f2ef;
  --panel: #fffdf9;
  --text: #1f2a2f;
  --muted: #5c6b72;
  --line: #d8dfdc;
  --accent: #0f766e;
  --accent-press: #0b5f59;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Barlow", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, #f8d7b822, transparent 28%),
    radial-gradient(circle at 85% 10%, #6db8aa2a, transparent 32%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.unsubscribe-card {
  width: min(100%, 560px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 4vw, 2rem);
  box-shadow: 0 20px 42px rgba(18, 45, 44, 0.12);
}

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0.4rem 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 6vw, 2.8rem);
  line-height: 1.05;
}

.intro {
  margin: 0.7rem 0 1.35rem;
  color: var(--muted);
}

.label,
legend {
  font-weight: 700;
}

form {
  display: grid;
  gap: 0.95rem;
}

input[type="email"] {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  font: inherit;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  display: grid;
  gap: 0.65rem;
}

label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 700;
  color: #ffffff;
  background: var(--accent);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover,
button:focus-visible {
  background: var(--accent-press);
}

.result {
  min-height: 1.4rem;
  margin: 0.95rem 0 0;
  font-weight: 500;
}

.result.success {
  color: #0e6d57;
}

.result.error {
  color: #9f2631;
}