:root {
    --mf-ink: #14212f;
    --mf-muted: #5c6778;
    --mf-line: #e3e8ef;
    --mf-panel: #fafbfc;
    --mf-elev: #ffffff;
    --mf-accent: #1f4f82;
    --mf-accent-soft: rgba(31, 79, 130, 0.1);
    --mf-accent-strong: #163c64;
    --mf-radius: 14px;
    --mf-shadow: 0 14px 50px rgba(15, 35, 55, 0.09);
    --mf-error: #b42318;
    --mf-success: #0f6b3d;
    --font-body: "Syne", system-ui, sans-serif;
    --font-display: "Syne", system-ui, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-optical-sizing: auto;
    font-weight: 500;
    color: var(--mf-ink);
    background:
        radial-gradient(1200px 600px at 20% -10%, rgba(31, 79, 130, 0.09), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(20, 60, 100, 0.06), transparent 50%),
        linear-gradient(180deg, #f4f6f9 0%, #eef2f7 100%);
    min-height: 100vh;
}

abbr[title] {
    text-decoration: none;
    color: var(--mf-error);
}

.mf-page {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
}

/* Hero + etapas */
.mf-hero.mf-hidden {
    display: none !important;
}

.mf-hero {
    margin: 0 -1.25rem 1.75rem;
    padding: 2rem 1.25rem 1.5rem;
    background:
        linear-gradient(145deg, rgba(31, 79, 130, 0.07) 0%, transparent 45%),
        linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    border-bottom: 1px solid var(--mf-line);
    border-radius: 0 0 22px 22px;
}

@media (min-width: 640px) {
    .mf-hero {
        margin-left: calc(50% - 50vw + 1.25rem);
        margin-right: calc(50% - 50vw + 1.25rem);
        padding-left: max(1.25rem, calc(50vw - 410px));
        padding-right: max(1.25rem, calc(50vw - 410px));
    }
}

.mf-hero__inner {
    text-align: center;
    max-width: 34rem;
    margin: 0 auto 1.5rem;
}

.mf-hero__eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--mf-accent-strong);
}

.mf-hero__title {
    margin: 0 0 0.65rem;
    font-family: var(--font-display);
    font-size: clamp(1.65rem, 4.5vw, 2.15rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--mf-ink);
}

.mf-hero__lead {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.55;
    color: var(--mf-muted);
}

.mf-progress {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.35rem;
    max-width: 520px;
    position: relative;
}

.mf-progress::before {
    content: "";
    position: absolute;
    left: 12%;
    right: 12%;
    top: 14px;
    height: 2px;
    background: linear-gradient(90deg, var(--mf-line), var(--mf-accent-soft), var(--mf-line));
    z-index: 0;
}

.mf-progress__item {
    position: relative;
    z-index: 1;
    flex: 1;
    text-align: center;
    min-width: 0;
}

.mf-progress__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin: 0 auto 0.35rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--mf-muted);
    background: #fff;
    border: 2px solid var(--mf-line);
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.mf-progress__label {
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--mf-muted);
    line-height: 1.2;
}

@media (max-width: 420px) {
    .mf-progress__label {
        font-size: 0.62rem;
    }
}

.mf-progress__item.is-current .mf-progress__num {
    color: #fff;
    background: linear-gradient(145deg, var(--mf-accent), var(--mf-accent-strong));
    border-color: transparent;
    box-shadow: 0 6px 16px rgba(22, 60, 100, 0.28);
}

.mf-progress__item.is-current .mf-progress__label {
    color: var(--mf-accent-strong);
}

.mf-progress__item.is-done .mf-progress__num {
    color: var(--mf-success);
    border-color: rgba(15, 107, 61, 0.35);
    background: rgba(15, 107, 61, 0.1);
}

.mf-progress__item.is-done .mf-progress__label {
    color: var(--mf-muted);
}

/* Etapas do formulário */
.mf-step {
    display: none;
}

.mf-step.is-active {
    display: block;
}

.mf-muted--tight {
    margin-top: -0.25rem;
    margin-bottom: 1rem;
}

.mf-card {
    background: var(--mf-elev);
    border: 1px solid var(--mf-line);
    border-radius: var(--mf-radius);
    padding: 1.5rem 1.5rem 1.6rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--mf-shadow);
}

.mf-card--summary {
    background: var(--mf-panel);
}

.mf-card--done {
    text-align: center;
}

.mf-card__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    margin: 0 0 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mf-field {
    margin-bottom: 1rem;
}

.mf-label,
.mf-field > label,
.mf-field > span.mf-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
    color: #243242;
}

.mf-field input[type="text"],
.mf-field input[type="email"] {
    width: 100%;
    font: inherit;
    padding: 0.82rem 0.95rem;
    border-radius: 12px;
    border: 1px solid var(--mf-line);
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.mf-field input:focus {
    outline: none;
    border-color: var(--mf-accent);
    box-shadow: 0 0 0 4px var(--mf-accent-soft);
}

.mf-hint {
    font-size: 0.8rem;
    margin: 0.35rem 0 0;
    min-height: 1.05em;
    color: var(--mf-muted);
}

.mf-hint--err:empty {
    display: none;
}

.mf-hint--err {
    color: var(--mf-error);
}

.mf-grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .mf-grid--2 {
        grid-template-columns: 1fr 1fr;
    }
    .mf-span-2 {
        grid-column: span 2;
    }
}

.mf-ceprow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mf-ceprow input {
    max-width: 220px;
}

.mf-cep-status {
    font-size: 0.85rem;
    color: var(--mf-muted);
}

.mf-muted {
    margin-top: -0.35rem;
    color: var(--mf-muted);
    font-size: 0.92rem;
    line-height: 1.5;
}

.mf-seg {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mf-seg__opt {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.7rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--mf-line);
    background: #fff;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.mf-seg__opt:has(input:focus-visible) {
    outline: 2px solid var(--mf-accent);
    outline-offset: 2px;
}

.mf-seg__opt:has(input:checked) {
    border-color: var(--mf-accent);
    background: var(--mf-accent-soft);
}

.mf-paymodes,
.mf-installments {
    display: grid;
    gap: 0.65rem;
}

@media (min-width: 540px) {
    .mf-installments--dense {
        grid-template-columns: repeat(2, 1fr);
    }
}

.mf-pay-card {
    border: 1.5px solid var(--mf-line);
    border-radius: 14px;
    padding: 0.95rem 1.05rem;
    cursor: pointer;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    background: #fff;
    transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
}

.mf-pay-card:hover {
    border-color: #cbd6e5;
}

.mf-pay-card.is-selected {
    border-color: var(--mf-accent-strong);
    background: linear-gradient(135deg, rgba(31, 79, 130, 0.08), #fff);
    box-shadow: 0 10px 28px rgba(15, 35, 55, 0.08);
}

.mf-pay-card__check {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    border: 2px solid #c6d0de;
    flex-shrink: 0;
    position: relative;
    transition: border-color 0.2s ease, background 0.2s ease;
    margin-top: 2px;
}

.mf-pay-card.is-selected .mf-pay-card__check {
    border-color: var(--mf-accent-strong);
    background: var(--mf-accent-strong);
}

.mf-pay-card.is-selected .mf-pay-card__check::after {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: inherit;
    background: #fff;
    box-shadow: inset 0 0 0 3px var(--mf-accent-strong);
}

.mf-pay-card__body {
    flex: 1;
    min-width: 0;
}

.mf-pay-line1 {
    font-weight: 600;
    font-size: 1.02rem;
}

.mf-pay-line2 {
    margin-top: 0.2rem;
    font-size: 0.86rem;
    color: var(--mf-muted);
    line-height: 1.45;
}

.mf-actions {
    margin-top: 0.5rem;
}

.mf-actions--wizard {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.25rem;
    padding-top: 0.25rem;
}

.mf-actions--wizard.mf-actions--split {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
}

.mf-actions--wizard.mf-actions--split #mf-btn-prev {
    flex: 0 1 38%;
    min-width: 0;
}

.mf-actions--wizard.mf-actions--split #mf-btn-next:not(.mf-hidden),
.mf-actions--wizard.mf-actions--split #btn-submit:not(.mf-hidden) {
    flex: 1 1 62%;
    min-width: 0;
}

.mf-btn {
    border: none;
    font: inherit;
    font-weight: 600;
    padding: 0.95rem 1.35rem;
    border-radius: 12px;
    cursor: pointer;
    width: 100%;
    transition: transform 0.1s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.mf-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.mf-btn--primary {
    background: linear-gradient(145deg, var(--mf-accent), var(--mf-accent-strong));
    color: #fff;
    box-shadow: 0 12px 30px rgba(22, 60, 100, 0.3);
}

.mf-btn--primary:not(:disabled):hover {
    transform: translateY(-1px);
}

.mf-btn--secondary {
    background: #fff;
    color: var(--mf-accent-strong);
    border: 1px solid var(--mf-line);
    width: auto;
    margin-top: 0.75rem;
}

.mf-btn--ghost {
    background: #fff;
    color: var(--mf-accent-strong);
    border: 1px solid var(--mf-line);
    box-shadow: none;
}

.mf-btn--ghost:hover:not(:disabled) {
    border-color: #cbd6e5;
    background: var(--mf-panel);
}

.mf-summary {
    display: grid;
    gap: 0.55rem;
    margin: 0;
}

.mf-summary dt {
    font-size: 0.8rem;
    color: var(--mf-muted);
    font-weight: 600;
    margin: 0;
}

.mf-summary dd {
    margin: 0.1rem 0 0.85rem;
    font-size: 0.98rem;
}

.mf-hidden {
    display: none !important;
}

.mf-loading {
    position: fixed;
    inset: 0;
    background: rgba(244, 246, 249, 0.9);
    backdrop-filter: blur(5px);
    display: grid;
    place-items: center;
    z-index: 40;
    padding: 1.5rem;
}

.mf-loading__box {
    max-width: 420px;
    text-align: center;
    background: #fff;
    border-radius: var(--mf-radius);
    padding: 2rem 1.5rem;
    border: 1px solid var(--mf-line);
    box-shadow: var(--mf-shadow);
}

.mf-spinner {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 3px solid var(--mf-line);
    border-top-color: var(--mf-accent);
    margin: 0 auto 1rem;
    animation: mfspin 0.8s linear infinite;
}

@keyframes mfspin {
    to {
        transform: rotate(360deg);
    }
}

.mf-done__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 999px;
    background: rgba(15, 107, 61, 0.12);
    color: var(--mf-success);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    font-weight: 700;
}

#form-msg:empty {
    display: none;
}

#form-msg:not(:empty) {
    margin: 0 0 0.75rem;
    text-align: center;
}

.mf-foot {
    text-align: center;
    color: var(--mf-muted);
    font-size: 0.82rem;
    margin-top: 2.25rem;
}