:root {
    /* Backgrounds — lighter than landing page */
    --bg:           #111827;
    --bg2:          #1a2235;
    --bg3:          #1f2a40;
    --surface:      #243045;

    /* Borders */
    --border:       #2d3f5f;
    --border2:      #3d5080;
    --border-focus: #4f6ef7;

    /* Brand */
    --gold:         #c9a84c;
    --gold2:        #e8c97a;

    /* Accent — blue-indigo */
    --accent:       #4f6ef7;
    --accent2:      #7c8ff5;
    --accent3:      #a5b4fc;

    /* Success — uses icon+colour */
    --success:      #34d399;
    --success-bg:   #064e3b;
    --success-border:#065f46;

    /* Error — uses icon+colour */
    --error:        #f87171;
    --error-bg:     #450a0a;
    --error-border: #991b1b;

    /* Warning */
    --warning:      #fbbf24;
    --warning-bg:   #422006;

    /* Text */
    --text:         #e8edf5;
    --text-muted:   #94a3b8;
    --text-subtle:  #64748b;

    /* Typography */
    --font-brand:   'Cinzel', serif;
    --font-body:    'Atkinson Hyperlegible', sans-serif;

    /* Spacing */
    --radius:       8px;
    --radius-lg:    12px;
    --input-height: 52px;
}

/* ── Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Base ── */
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    letter-spacing: 0.01em;
    min-height: 100vh;
}

/* ── Page wrapper ── */
.reg-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
}

/* ── Card ── */
.reg-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 40px 36px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

/* ── Brand header ── */
.reg-brand {
    text-align: center;
    margin-bottom: 32px;
}

.reg-brand-name {
    font-family: var(--font-brand);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: var(--gold);
    display: block;
    margin-bottom: 2px;
}

.reg-brand-sub {
    font-family: var(--font-brand);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--accent3);
    display: block;
}

/* ── Progress indicator ── */
.reg-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 32px;
}

.reg-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    position: relative;
}

.reg-step-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border2);
    background: var(--bg3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-brand);
    font-size: 0.7rem;
    color: var(--text-subtle);
    position: relative;
    z-index: 1;
    transition: all 0.2s;
}

.reg-step.active .reg-step-dot {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

.reg-step.complete .reg-step-dot {
    border-color: var(--success);
    background: var(--success-bg);
    color: var(--success);
}

.reg-step-label {
    font-size: 0.65rem;
    color: var(--text-subtle);
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.reg-step.active .reg-step-label {
    color: var(--accent3);
}

.reg-step.complete .reg-step-label {
    color: var(--success);
}

.reg-step-line {
    width: 40px;
    height: 2px;
    background: var(--border);
    margin: 0 4px;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.reg-step-line.complete {
    background: var(--success);
}

/* ── Headings ── */
.reg-heading {
    font-family: var(--font-brand);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
    color: var(--text);
}

.reg-subheading {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 28px;
    line-height: 1.5;
}

/* ── Form groups ── */
.reg-field {
    margin-bottom: 20px;
}

.reg-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.03em;
}

.reg-label-required {
    color: var(--error);
    font-size: 0.7rem;
}

.reg-input {
    width: 100%;
    height: var(--input-height);
    background: var(--bg3);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0 16px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    letter-spacing: 0.02em;
}

.reg-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79,110,247,0.2);
}

.reg-input::placeholder {
    color: var(--text-subtle);
}

.reg-input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(248,113,113,0.15);
}

.reg-hint {
    font-size: 0.8rem;
    color: var(--text-subtle);
    margin-top: 6px;
    display: flex;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.4;
}

.reg-hint-icon {
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Error message ── */
.reg-error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 0.85rem;
    color: var(--error);
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}

/* ── Success message ── */
.reg-success-msg {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 0.85rem;
    color: var(--success);
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}

/* ── Buttons ── */
.reg-btn-primary {
    width: 100%;
    height: var(--input-height);
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: #fff;
    font-family: var(--font-brand);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.reg-btn-primary:hover {
    background: var(--accent2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79,110,247,0.3);
}

.reg-btn-primary:active {
    transform: translateY(0);
}

.reg-btn-primary:focus-visible {
    outline: 3px solid var(--accent3);
    outline-offset: 2px;
}

.reg-btn-secondary {
    width: 100%;
    height: var(--input-height);
    background: transparent;
    border: 2px solid var(--border2);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-family: var(--font-brand);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, transform 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.reg-btn-secondary:hover {
    border-color: var(--accent3);
    color: var(--accent3);
    transform: translateY(-1px);
}

.reg-btn-secondary:focus-visible {
    outline: 3px solid var(--accent3);
    outline-offset: 2px;
}

.reg-btn-gold {
    width: 100%;
    height: var(--input-height);
    background: transparent;
    border: 2px solid var(--gold);
    border-radius: var(--radius);
    color: var(--gold);
    font-family: var(--font-brand);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.reg-btn-gold:hover {
    background: var(--gold);
    color: var(--bg);
    transform: translateY(-1px);
}

.reg-btn-gold:focus-visible {
    outline: 3px solid var(--gold2);
    outline-offset: 2px;
}

/* ── Domain choice cards ── */
.domain-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.domain-option {
    background: var(--bg3);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    text-align: center;
    position: relative;
}

.domain-option:hover {
    border-color: var(--border2);
    background: var(--surface);
}

.domain-option.selected {
    border-color: var(--accent);
    background: rgba(79,110,247,0.08);
}

.domain-option-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
    display: block;
}

.domain-option-title {
    font-family: var(--font-brand);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    color: var(--text);
    margin-bottom: 4px;
    display: block;
}

.domain-option-desc {
    font-size: 0.75rem;
    color: var(--text-subtle);
    line-height: 1.4;
}

.domain-option.selected .domain-option-title {
    color: var(--accent3);
}

.domain-option-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: #fff;
}

.domain-option.selected .domain-option-check {
    display: flex;
}

/* ── Divider ── */
.reg-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--text-subtle);
    font-size: 0.8rem;
}

.reg-divider::before,
.reg-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── Google Pay button ── */
.gpay-btn {
    width: 100%;
    height: var(--input-height);
    background: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #000;
    transition: background 0.2s, transform 0.15s;
    margin-bottom: 4px;
}

.gpay-btn:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
}

.gpay-logo {
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.gpay-logo span:first-child { color: #4285F4; }
.gpay-logo span:nth-child(2) { color: #EA4335; }
.gpay-logo span:nth-child(3) { color: #FBBC05; }
.gpay-logo span:last-child { color: #34A853; }

/* ── Card input group ── */
.card-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.card-number-wrap {
    position: relative;
}

.card-icons {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 4px;
    pointer-events: none;
}

.card-icon {
    width: 32px;
    height: 20px;
    border-radius: 3px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    color: var(--text-subtle);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.card-icon.visa { color: #1a1f71; background: #fff; }
.card-icon.mc { background: #fff; }

/* ── Verification code input ── */
.verify-code-wrap {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 8px;
}

.verify-digit {
    width: 52px;
    height: 60px;
    background: var(--bg3);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-brand);
    font-size: 1.4rem;
    text-align: center;
    outline: none;
    transition: border-color 0.2s;
}

.verify-digit:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79,110,247,0.2);
}

/* ── Success page ── */
.reg-success-page {
    text-align: center;
}

.success-icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--success-bg);
    border: 2px solid var(--success-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
}

.reg-success-title {
    font-family: var(--font-brand);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--success);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.reg-success-sub {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 32px;
    line-height: 1.6;
}

/* ── Footer note ── */
.reg-footer-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-subtle);
    margin-top: 20px;
    line-height: 1.5;
}

.reg-footer-note a {
    color: var(--accent3);
    text-decoration: none;
}

.reg-footer-note a:hover {
    text-decoration: underline;
}

/* ── Security badge ── */
.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-subtle);
    margin-top: 16px;
}

/* ── Responsive ── */
@media (max-width: 520px) {
    .reg-card {
        padding: 28px 20px 24px;
    }

    .domain-options {
        grid-template-columns: 1fr;
    }

    .card-row {
        grid-template-columns: 1fr;
    }

    .reg-step-line {
        width: 24px;
    }
}