:root { color-scheme: dark; }

.registration-body {
    min-width: 320px;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    color: #eef5f5;
    background:
        radial-gradient(circle at 14% 18%, rgba(31, 131, 142, .2), transparent 32rem),
        radial-gradient(circle at 88% 82%, rgba(112, 80, 173, .15), transparent 28rem),
        #071017;
}

.registration-body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .24;
    background-image:
        linear-gradient(rgba(114, 184, 192, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(114, 184, 192, .08) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(135deg, #000, transparent 70%);
}

.registration-page {
    position: relative;
    isolation: isolate;
    width: min(1080px, calc(100% - 40px));
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 450px);
    align-items: center;
    gap: clamp(48px, 8vw, 110px);
    padding: 52px 0;
}

.registration-brand { max-width: 560px; }

.registration-brand-mark {
    width: 86px;
    height: 86px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border: 1px solid rgba(113, 212, 210, .26);
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(19, 49, 57, .8), rgba(8, 18, 24, .64));
    box-shadow: 0 20px 55px rgba(0, 0, 0, .35), inset 0 1px rgba(255, 255, 255, .08);
}

.registration-brand-mark img { width: 108px; height: 108px; object-fit: contain; }

.registration-eyebrow,
.registration-kicker {
    margin: 0 0 10px;
    color: #71d0cc;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.registration-brand h1 {
    max-width: 11ch;
    margin: 0;
    color: #f8fbfa;
    font-size: clamp(2.8rem, 6vw, 5.6rem);
    font-weight: 690;
    letter-spacing: -.06em;
    line-height: .94;
    text-wrap: balance;
}

.registration-brand > p:not(.registration-eyebrow) {
    max-width: 54ch;
    margin: 24px 0 0;
    color: #9eb0b4;
    font-size: 1.02rem;
    line-height: 1.7;
}

.registration-flow {
    margin-top: 36px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #aebdc0;
    font-size: .76rem;
    font-weight: 700;
}

.registration-flow span { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.registration-flow b {
    width: 25px;
    height: 25px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(113, 208, 204, .4);
    border-radius: 999px;
    color: #83dbd7;
    background: rgba(37, 112, 115, .15);
    font-size: .68rem;
}
.registration-flow i { width: clamp(14px, 2.5vw, 34px); height: 1px; background: rgba(125, 157, 161, .26); }

.registration-card {
    position: relative;
    padding: clamp(26px, 4vw, 40px);
    border: 1px solid rgba(136, 180, 183, .2);
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(17, 31, 38, .96), rgba(7, 14, 19, .97));
    box-shadow: 0 30px 85px rgba(0, 0, 0, .46), inset 0 1px rgba(255, 255, 255, .055);
}

.registration-card::before {
    content: "";
    position: absolute;
    inset: 0 30px auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(115, 220, 215, .7), transparent);
}

.registration-card-heading h2,
.registration-success h2 {
    margin: 0;
    color: #f5f9f8;
    font-size: 1.8rem;
    letter-spacing: -.035em;
}

.registration-card-heading > p:last-child,
.registration-success > p:not(.registration-kicker) {
    margin: 8px 0 0;
    color: #8fa2a6;
    line-height: 1.55;
}

.registration-card form { display: grid; gap: 16px; margin-top: 26px; }
.registration-field { display: grid; gap: 7px; }
.registration-field label { color: #c7d4d5; font-size: .76rem; font-weight: 750; letter-spacing: .02em; }
.registration-field input {
    width: 100%;
    min-height: 48px;
    padding: 10px 13px;
    border: 1px solid rgba(139, 174, 177, .28);
    border-radius: 10px;
    outline: none;
    color: #eff7f6;
    background: rgba(3, 9, 13, .64);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, .34);
    transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.registration-field input:hover { border-color: rgba(129, 210, 208, .46); }
.registration-field input:focus {
    border-color: #64c7c4;
    background: rgba(5, 13, 17, .86);
    box-shadow: 0 0 0 3px rgba(75, 190, 186, .14), inset 0 1px 4px rgba(0, 0, 0, .3);
}
.registration-field small { color: #71878b; font-size: .69rem; line-height: 1.45; }
.registration-field > span { color: #ffb5a9; font-size: .72rem; }

.registration-primary {
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 4px;
    padding: 11px 14px 11px 18px;
    border: 1px solid #83ddd9;
    border-radius: 11px;
    color: #061516;
    background: linear-gradient(115deg, #9be3d7, #5cc4c8);
    box-shadow: 0 12px 30px rgba(51, 180, 181, .17), inset 0 1px rgba(255, 255, 255, .45);
    font-size: .82rem;
    font-weight: 850;
    letter-spacing: .025em;
    text-decoration: none;
    cursor: pointer;
    transition: filter .16s ease, transform .16s ease, box-shadow .16s ease;
}
.registration-primary:hover { color: #061516; filter: brightness(1.07); transform: translateY(-1px); box-shadow: 0 15px 34px rgba(51, 180, 181, .25); }
.registration-primary:focus-visible { outline: 3px solid rgba(118, 218, 214, .28); outline-offset: 3px; }
.registration-primary span:last-child { font-size: 1.1rem; }

.registration-login { margin: 22px 0 0; color: #788d91; font-size: .78rem; text-align: center; }
.registration-login a { color: #87d8d3; font-weight: 700; }
.registration-validation:empty { display: none; }
.registration-validation { padding: 10px 12px; border: 1px solid rgba(255, 142, 123, .28); border-radius: 9px; color: #ffc2b7; background: rgba(102, 28, 22, .2); font-size: .74rem; }
.registration-validation ul { margin: 0; padding-left: 18px; }
.registration-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.registration-success { min-height: 360px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.success-mark {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    margin-bottom: 26px;
    border: 1px solid rgba(116, 219, 208, .4);
    border-radius: 17px;
    color: #8ae0d5;
    background: rgba(55, 164, 157, .15);
    font-size: 1.4rem;
    box-shadow: 0 0 35px rgba(76, 199, 188, .12);
}
.registration-success .registration-primary { width: 100%; justify-content: center; margin-top: 28px; }

@media (max-width: 820px) {
    .registration-page { width: min(560px, calc(100% - 28px)); grid-template-columns: 1fr; gap: 34px; padding: 30px 0; }
    .registration-brand { text-align: center; }
    .registration-brand-mark { margin-inline: auto; }
    .registration-brand h1 { max-width: 12ch; margin-inline: auto; font-size: clamp(2.5rem, 12vw, 4.4rem); }
    .registration-brand > p:not(.registration-eyebrow) { margin-inline: auto; }
    .registration-flow { justify-content: center; }
}

@media (max-width: 450px) {
    .registration-page { width: calc(100% - 20px); }
    .registration-brand > p:not(.registration-eyebrow) { font-size: .9rem; }
    .registration-flow { gap: 6px; font-size: .68rem; }
    .registration-flow i { width: 8px; }
    .registration-card { padding: 24px 18px; border-radius: 19px; }
}

@media (prefers-reduced-motion: reduce) {
    .registration-primary,
    .registration-field input { transition: none; }
}