:root {
  --bg: #212121;
  --text: #ffffff;
  --muted: #aaaaaa;
  --primary: #8774e1;
  --primary-dark: #7963dd;
  --danger: #d92d20;
  --success: #067647;
  --border: #2f2f2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Roboto", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.content {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 32px;
  padding: 36px 0;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero p {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.form-card {
  padding: 24px;
  background: var(--bg);
}

form {
  display: grid;
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

label {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

label span {
  color: var(--danger);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 15px 16px;
  color: var(--text);
  background: var(--bg);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--primary-dark);
}

.input-error {
  border-color: var(--danger);
}

.field-error {
  min-height: 18px;
  margin: 0;
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
}

button {
  margin-top: 4px;
  border: 0;
  border-radius: 16px;
  padding: 16px 20px;
  color: var(--text);
  background: var(--primary);
  font: inherit;
  font-weight: 500;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, opacity 0.2s ease;
}

button:hover:not(:disabled) {
  background: var(--primary-dark);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.form-status {
  min-height: 22px;
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
}

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

.form-status--error {
  color: var(--danger);
}

@media (min-width: 861px) {
  .content {
    grid-template-columns: 1fr 480px;
    gap: 56px;
    padding: 48px 0;
  }

  .hero p {
    font-size: 19px;
  }

  .form-card {
    padding: 34px;
  }
}