* { box-sizing: border-box; }
html { color-scheme: light; background: #f7f8f6; color: #18221e; font-family: system-ui, sans-serif; }
body { margin: 0; }
.mia-signup { max-width: 780px; margin: 40px auto; padding: 32px; display: grid; gap: 20px; background: #fff; border: 1px solid #dce3de; border-radius: 24px; }
.mia-signup h1 { font-size: clamp(26px, 5vw, 38px); line-height: 1.15; margin: 0; letter-spacing: -.035em; }
.mia-signup p { margin: 0; line-height: 1.6; overflow-wrap: anywhere; }
.mia-signup nav { display: flex; gap: 12px; }
.mia-signup button, .mia-signup a { min-height: 44px; border: 1px solid #dce3de; border-radius: 10px; padding: 12px 16px; font: inherit; color: var(--mia-offer-accent, #235b4b); background: white; text-decoration: none; cursor: pointer; text-align: left; }
.mia-signup button[aria-pressed=true] { background: #eaf2ed; }
.mia-signup button:disabled { opacity: .5; cursor: not-allowed; }
.mia-signup :focus-visible { outline: 3px solid var(--mia-offer-accent, #235b4b); outline-offset: 3px; }
.mia-signup ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.mia-signup li { border-bottom: 1px solid #dce3de; padding: 16px 0; overflow-wrap: anywhere; }
.mia-signup label { display: flex; align-items: flex-start; gap: 12px; min-height: 44px; line-height: 1.5; }
.mia-signup input[type=checkbox] { flex: 0 0 20px; width: 20px; height: 20px; margin: 2px 0; accent-color: var(--mia-offer-accent, #235b4b); }
.mia-signup label:has(textarea) { display: grid; }
.mia-signup textarea { width: 100%; min-height: 80px; padding: 12px; border: 1px solid #dce3de; border-radius: 10px; font: inherit; resize: vertical; }
.mia-signup dl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding: 20px 0; margin: 0; }
.mia-signup dd { margin: 0; text-align: right; font-weight: 600; }
.mia-signup [role=alert] { color: #8c302d; }
@media (max-width: 600px) { .mia-signup { margin: 0; padding: 24px 16px; border: 0; border-radius: 0; } .mia-signup dl { grid-template-columns: 1fr; gap: 8px; } .mia-signup dd { text-align: left; margin-bottom: 12px; } }