*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --ink: #0D0D0D;
    --gold: #C9A96E;
    --gold-dark: #8B6635;
    --off: #F4F4F2;
    --off-2: #EBEBEB;
    --gold-dim: rgba(201,169,110,.12);
  }
  html { font-family: 'Montserrat', sans-serif; font-size: 16px; color: var(--ink); }
  body { min-height: 100vh; background: var(--off); display: flex; flex-direction: column; }

  /* ── AUTH LAYOUT ── */
  .auth-wrap { flex: 1; display: grid; grid-template-columns: 1fr 1fr; }

  /* Left panel */
  .auth-panel {
    background: var(--ink);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
  }
  .auth-panel__inner {
    width: 100%;
    padding-right: 3rem;
    padding-left: max(4%, calc((100vw - 1280px) / 2));
  }
  .auth-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 40%, rgba(201,169,110,.07) 0%, transparent 60%);
  }
  .auth-panel__badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--gold-dim);
    border: 1px solid rgba(201,169,110,.2);
    color: var(--gold);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .4rem .9rem;
    width: fit-content;
    margin-bottom: 2rem;
  }
  .auth-panel__title {
    font-size: 2.4rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-bottom: 1.25rem;
  }
  .auth-panel__title span { color: var(--gold); }
  .auth-panel__sub {
    color: rgba(255,255,255,.55);
    font-size: .92rem;
    line-height: 1.65;
    max-width: 340px;
    margin-bottom: 2.5rem;
  }
  .auth-panel__steps { display: flex; flex-direction: column; gap: 1.5rem; }
  .auth-panel__step { display: flex; gap: 1rem; align-items: flex-start; }
  .auth-panel__step-num {
    width: 32px; height: 32px;
    background: var(--gold);
    color: var(--ink);
    font-size: .78rem;
    font-weight: 900;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .auth-panel__step-text strong { display: block; color: #fff; font-size: .9rem; font-weight: 700; margin-bottom: .15rem; }
  .auth-panel__step-text span { color: rgba(255,255,255,.45); font-size: .82rem; }
  .auth-panel__deco {
    position: absolute;
    bottom: -80px;
    right: -60px;
    width: 320px;
    height: 320px;
    border: 1px solid rgba(201,169,110,.06);
    border-radius: 50%;
  }
  .auth-panel__deco::after {
    content: '';
    position: absolute;
    inset: 40px;
    border: 1px solid rgba(201,169,110,.04);
    border-radius: 50%;
  }

  /* Right panel — form */
  .auth-form-wrap {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 4rem 0;
  }
  .auth-form-box {
    width: 100%;
    padding-left: 3rem;
    padding-right: max(4%, calc((100vw - 1280px) / 2));
  }
  .auth-form-box__eyebrow {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: .6rem;
  }
  .auth-form-box__title {
    font-size: 1.9rem;
    font-weight: 900;
    letter-spacing: -.02em;
    color: var(--ink);
    margin-bottom: .5rem;
  }
  .auth-form-box__sub {
    font-size: .88rem;
    color: #666;
    margin-bottom: 1.75rem;
  }
  .auth-form-box__sub a { color: var(--gold-dark); font-weight: 700; text-decoration: none; }
  .auth-form-box__sub a:hover { text-decoration: underline; }

  /* Account type picker */
  .type-pick { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1.75rem; }
  .type-pick__opt { position: relative; cursor: pointer; }
  .type-pick__opt input { position: absolute; opacity: 0; pointer-events: none; }
  .type-pick__card {
    border: 1.5px solid var(--off-2);
    background: var(--off);
    padding: 1rem 1.1rem;
    display: flex;
    align-items: center;
    gap: .85rem;
    transition: border-color .2s, background .2s;
  }
  .type-pick__opt input:checked + .type-pick__card {
    border-color: var(--ink);
    background: #fff;
  }
  .type-pick__opt input:checked + .type-pick__card .type-pick__dot::after { opacity: 1; }
  .type-pick__dot {
    width: 18px; height: 18px;
    border: 1.5px solid #ccc;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: border-color .2s;
  }
  .type-pick__opt input:checked + .type-pick__card .type-pick__dot { border-color: var(--ink); }
  .type-pick__dot::after {
    content: '';
    width: 8px; height: 8px;
    background: var(--ink);
    border-radius: 50%;
    opacity: 0;
    transition: opacity .15s;
  }
  .type-pick__icon { font-size: 1.4rem; }
  .type-pick__info strong { display: block; font-size: .85rem; font-weight: 700; color: var(--ink); }
  .type-pick__info span { font-size: .75rem; color: #888; }

  /* Form fields */
  .field { margin-bottom: 1.1rem; }
  .field label { display: block; font-size: .77rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--ink); margin-bottom: .4rem; }
  .field__input-wrap { position: relative; }
  .field input, .field select {
    width: 100%;
    background: var(--off);
    border: 1.5px solid var(--off-2);
    padding: .8rem 1rem .8rem 2.75rem;
    font-family: 'Montserrat', sans-serif;
    font-size: .88rem;
    color: var(--ink);
    outline: none;
    transition: border-color .2s, background .2s;
    appearance: none;
  }
  .field input:focus, .field select:focus { border-color: var(--ink); background: #fff; }
  .field__icon {
    position: absolute;
    left: .85rem;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
    pointer-events: none;
    line-height: 1;
  }
  .field__toggle {
    position: absolute;
    right: .9rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #aaa;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    user-select: none;
    transition: color .2s;
  }
  .field__toggle:hover { color: var(--ink); }
  .field select { padding-left: 2.75rem; }
  .field__select-arrow {
    position: absolute;
    right: .9rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: #aaa;
  }
  .field__hint { font-size: .74rem; color: #999; margin-top: .3rem; }
  .field__error { font-size: .74rem; color: #e53935; margin-top: .3rem; display: none; }
  .field--error input, .field--error select { border-color: #e53935; }
  .field--error .field__error { display: block; }

  .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }

  /* Password strength */
  .pass-strength { margin-top: .5rem; }
  .pass-strength__bar {
    height: 3px;
    background: var(--off-2);
    display: flex;
    gap: 2px;
  }
  .pass-strength__seg { flex: 1; background: transparent; transition: background .3s; }
  .pass-strength__label { font-size: .72rem; color: #999; margin-top: .3rem; }

  /* Terms */
  .terms-check { display: flex; gap: .75rem; align-items: flex-start; margin: 1.25rem 0; cursor: pointer; }
  .terms-check input { display: none; }
  .terms-check__box {
    width: 18px; height: 18px;
    border: 1.5px solid var(--off-2);
    background: var(--off);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
    transition: background .15s, border-color .15s;
  }
  .terms-check input:checked + .terms-check__box { background: var(--ink); border-color: var(--ink); }
  .terms-check input:checked + .terms-check__box::after {
    content: '';
    display: block;
    width: 8px; height: 5px;
    border-left: 2px solid var(--gold);
    border-bottom: 2px solid var(--gold);
    transform: rotate(-45deg) translateY(-1px);
  }
  .terms-check__text { font-size: .82rem; color: #555; line-height: 1.5; }
  .terms-check__text a { color: var(--gold-dark); font-weight: 700; text-decoration: none; }
  .terms-check__text a:hover { text-decoration: underline; }

  .btn-primary {
    width: 100%;
    background: var(--ink);
    color: #fff;
    border: none;
    font-family: 'Montserrat', sans-serif;
    font-size: .85rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 1rem;
    cursor: pointer;
    transition: background .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
  }
  .btn-primary:hover { background: #222; }
  .btn-primary svg { width: 16px; height: 16px; transition: transform .2s; }
  .btn-primary:hover svg { transform: translateX(3px); }

  .divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: #bbb;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
  }
  .divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--off-2); }

  .btn-social {
    width: 100%;
    background: #fff;
    border: 1.5px solid var(--off-2);
    font-family: 'Montserrat', sans-serif;
    font-size: .85rem;
    font-weight: 700;
    color: var(--ink);
    padding: .8rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    transition: border-color .2s, background .2s;
  }
  .btn-social:hover { background: var(--off); border-color: #ccc; }

  .auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    font-size: .85rem;
    color: #666;
  }
  .auth-switch a { color: var(--gold-dark); font-weight: 700; text-decoration: none; }
  .auth-switch a:hover { text-decoration: underline; }

  /* Success state */
  .reg-success {
    display: none;
    padding: 4rem 0;
    width: 100%;
    padding-left: 3rem;
    padding-right: max(4%, calc((100vw - 1280px) / 2));
  }
  .reg-success__icon {
    width: 56px; height: 56px;
    background: rgba(201,169,110,.1);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 2rem;
    color: var(--gold);
  }
  .reg-success__title {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 900; letter-spacing: -.025em;
    color: var(--ink); margin-bottom: .75rem; line-height: 1.1;
  }
  .reg-success__sub {
    font-size: .9rem; color: #666;
    line-height: 1.75; margin-bottom: .75rem;
    max-width: 400px;
  }
  .reg-success__note {
    font-size: .78rem; color: #bbb;
    margin-bottom: 2.5rem;
  }
  .reg-success__btn {
    display: inline-block;
    background: var(--ink); color: #fff;
    text-decoration: none; font-size: .72rem;
    font-weight: 800; letter-spacing: .1em;
    text-transform: uppercase; padding: .9rem 2rem;
    transition: background .2s;
  }
  .reg-success__btn:hover { background: #333; }

  /* email SVG animation */
  .env-body { animation: envPulse 2.4s ease-in-out infinite; transform-origin: center; }
  .env-dot1 { animation: dotFly 2.4s ease-in-out infinite; }
  .env-dot2 { animation: dotFly 2.4s ease-in-out infinite .3s; }
  .env-dot3 { animation: dotFly 2.4s ease-in-out infinite .6s; }
  @keyframes envPulse {
    0%,100% { transform: translateY(0); }
    50%     { transform: translateY(-5px); }
  }
  @keyframes dotFly {
    0%   { opacity: 0; transform: translateY(0) translateX(0); }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { opacity: 0; transform: translateY(-18px) translateX(6px); }
  }

  /* ── MOBILE ── */
  @media (max-width: 1024px) {
    .auth-wrap { grid-template-columns: 1fr; }
    .auth-panel { display: none; }
    .auth-form-wrap { background: var(--off); padding: 2.5rem 1.5rem; }
    .auth-form-box { padding-left: 0; padding-right: 0; }
  }
  @media (max-width: 600px) {
    .field-row { grid-template-columns: 1fr; }
    .type-pick { grid-template-columns: 1fr; }
  }