.signup-section { position: relative; isolation: isolate; min-height: 100svh; overflow: hidden; padding: 145px 0 35px; }
.signup-intro { margin-bottom: 42px; }
.signup-intro h1 { font-size: clamp(3rem, 5.5vw, 5.4rem); line-height: 1; letter-spacing: -.075em; margin: 0 0 20px; }
.signup-intro h1 em { color: var(--orange); font-style: normal; }
.signup-intro > p:last-child { color: var(--muted-dark); line-height: 1.6; }
.plan-fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.plan-fieldset legend { font-size: 1.15rem; font-weight: 650; margin-bottom: 24px; letter-spacing: -.03em; }
.step-label { display: inline-block; margin-right: 10px; color: var(--orange-light); font-size: .72rem; font-weight: 650; letter-spacing: .06em; vertical-align: middle; }
.plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan-card { position: relative; display: block; padding: 24px; border: 1px solid var(--line-dark); border-radius: 14px; background: linear-gradient(145deg, #1b1b1d, #121213); cursor: pointer; transition: border-color .2s, background .2s; }
.plan-card:hover { border-color: #ff815488; }
.plan-card:has(input:checked) { border-color: var(--orange); background: linear-gradient(145deg, #302018, #191614); box-shadow: inset 0 0 0 1px var(--orange); }
.plan-card:focus-within { outline: 3px solid var(--orange-light); outline-offset: 4px; }
.plan-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.plan-name { font-size: 1.05rem; font-weight: 750; letter-spacing: -.03em; }
.plan-card input { accent-color: var(--orange); width: 19px; height: 19px; margin: 0; flex-shrink: 0; }
.plan-price { font-size: clamp(2rem, 3vw, 2.7rem); font-weight: 700; letter-spacing: -.06em; margin: 22px 0 6px; }
.plan-price > span { color: var(--muted-dark); font-size: .75rem; font-weight: 400; letter-spacing: 0; margin-left: 4px; }
.plan-selected { display: block; min-height: 28px; color: var(--orange-light); font-size: .65rem; font-weight: 650; visibility: hidden; }
.plan-card:has(input:checked) .plan-selected { visibility: visible; }
.plan-card ul { list-style: none; padding: 20px 0 0; margin: 0; border-top: 1px solid var(--line-dark); display: grid; gap: 14px; }
.plan-card li { display: flex; gap: 9px; color: #d0ccc4; font-size: .76rem; line-height: 1.5; }
.plan-card li > span { color: var(--orange-light); }
.signup-bottom { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 60px; align-items: start; margin-top: 42px; }
.signup-account h2 { font-size: 1.7rem; margin-top: 0; }
.signup-account .input-field:last-child { margin-bottom: 0; }
.input-field small { display: block; color: var(--muted-dark); font-size: .7rem; margin-top: 8px; }
.signup-summary { padding: 20px 0; }
.signup-summary h2 { font-size: 2.3rem; letter-spacing: -.06em; margin: 0 0 15px; }
.signup-summary > p:not(.eyebrow) { color: var(--muted-dark); font-size: .85rem; line-height: 1.7; }
.summary-line { display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line-dark); font-size: .85rem; }
.summary-line > span { color: var(--muted-dark); }
.signup-availability { margin: 24px 0 18px; }
.signup-summary #signup-status { border: 1px solid #ff815466; border-radius: 8px; padding: 14px; color: #ffd0bd; background: #ff5a1f10; }
.signup-signin a, .signup-footer a { color: var(--orange-light); }
.signup-footer { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line-dark); padding-top: 24px; margin-top: 50px; color: var(--muted-dark); font-size: .7rem; }
[hidden] { display: none !important; }
@media (max-width: 1000px) { .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .signup-bottom { gap: 30px; } }
@media (max-width: 680px) { .signup-section { padding-top: 112px; } .signup-intro { margin-bottom: 30px; } .signup-bottom { grid-template-columns: 1fr; gap: 14px; margin-top: 30px; } .signup-summary { padding-inline: 4px; } .signup-footer { flex-direction: column; } .login-back { max-width: 140px; text-align: right; line-height: 1.5; } }
@media (max-width: 440px) { .plan-grid { grid-template-columns: 1fr; gap: 12px; } .plan-card { padding: 20px; } .signup-intro h1 { font-size: 2.9rem; } }