/* ── Golden-hour backdrop ───────────────────────────────────────────────── */
.reg-bg {
    min-height: 100vh;
    padding: 2rem 1rem 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse 80% 50% at 50% 110%, rgba(212,160,23,.35) 0%, transparent 70%),
        linear-gradient(170deg,
            #0d0c1a  0%,
            #1a1a2e 22%,
            #2c1810 48%,
            #6b3800 70%,
            #c47d08 86%,
            #d4a017 100%);
}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.reg-card {
    width: 100%;
    max-width: 480px;
    background: rgba(253,250,245,0.97);
    border-radius: 20px;
    box-shadow:
        0 2px 0 rgba(212,160,23,.25),
        0 12px 48px rgba(0,0,0,.45),
        inset 0 1px 0 rgba(255,255,255,.8);
    overflow: hidden;
}

/* ── Card header ─────────────────────────────────────────────────────────── */
.reg-card-header {
    padding: 1.75rem 2rem 0;
    text-align: center;
}
.reg-logo-img {
    height: 80px;
    width: auto;
    display: block;
    margin: 0 auto .25rem;
}
.reg-tagline {
    font-size: .8rem;
    color: var(--muted);
    margin: .25rem 0 0;
    letter-spacing: .03em;
}

/* ── Card body ───────────────────────────────────────────────────────────── */
.reg-card-body {
    padding: 1.5rem 2rem 2rem;
}
.reg-section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 1.5rem;
}
.reg-section-hint {
    font-size: .875rem;
    color: var(--muted);
    margin: -.75rem 0 1.5rem;
    line-height: 1.5;
}

/* ── Field group separator ───────────────────────────────────────────────── */
.reg-separator {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin: 1.5rem 0;
    color: var(--muted);
    font-size: .75rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.reg-separator::before,
.reg-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── Form fields ─────────────────────────────────────────────────────────── */
.reg-field {
    margin-bottom: 1.1rem;
}
.reg-field label,
.reg-field > label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: .75rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .45rem;
}
.reg-field input[type="text"],
.reg-field input[type="email"],
.reg-field input[type="password"],
.reg-field input[type="date"],
.reg-field select,
.reg-field textarea {
    display: block;
    width: 100%;
    padding: .8rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    color: var(--text);
    background: var(--surface);
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
    appearance: none;
    box-sizing: border-box;
    line-height: 1.5;
}
.reg-field input:focus,
.reg-field select:focus,
.reg-field textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212,160,23,.18);
}
.reg-field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237F8C8D' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}
.reg-field textarea {
    resize: vertical;
    min-height: 90px;
}
.reg-field ul.errors,
.reg-field ul {
    list-style: none;
    padding: .45rem .75rem;
    margin: .35rem 0 0;
    background: rgba(192,57,43,.07);
    border-left: 3px solid var(--pepper);
    border-radius: 6px;
    font-size: .83rem;
    color: var(--pepper);
    line-height: 1.4;
}
.reg-field-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: .4rem;
}
.reg-field-row a {
    font-size: .8rem;
    color: var(--gold);
    font-weight: 600;
}
.reg-checkbox {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .875rem;
    color: var(--muted);
    cursor: pointer;
    margin-bottom: 1.5rem;
}
.reg-checkbox input { accent-color: var(--gold); }

/* ── Submit button ───────────────────────────────────────────────────────── */
.reg-btn {
    display: block;
    width: 100%;
    padding: .95rem 1rem;
    margin-top: 1.5rem;
    background: linear-gradient(135deg, #d4a017 0%, #b8860b 100%);
    color: #1a1a2e;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: .95rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform .1s, box-shadow .2s, opacity .15s;
    box-shadow: 0 4px 16px rgba(212,160,23,.35);
}
.reg-btn:hover  { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,160,23,.45); }
.reg-btn:active { transform: translateY(0); }

/* ── Footer link ─────────────────────────────────────────────────────────── */
.reg-footer {
    text-align: center;
    padding: 0 2rem 1.75rem;
    font-size: .85rem;
    color: var(--muted);
}
.reg-footer a { color: var(--gold); font-weight: 600; }

/* ── Dark mode ───────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
    .reg-card {
        background: rgba(37,37,64,0.97);
        box-shadow:
            0 2px 0 rgba(212,160,23,.2),
            0 12px 48px rgba(0,0,0,.7),
            inset 0 1px 0 rgba(255,255,255,.06);
    }
    .reg-field input,
    .reg-field select,
    .reg-field textarea {
        background: rgba(255,255,255,.05);
        border-color: var(--border);
        color: var(--text);
    }
}