:root {
    --mg-primary: #DD4040;
    --mg-secondary: #FFFFFF;
    --mg-text: #1B1B1B;
    --mg-accent: #979797;
    --mg-gray: #777777;
    --mg-soft: #F8F8F8;
    --mg-border: #E5E5E5;
    --mg-ok: #1F7A4D;
    --shadow: 0 10px 26px rgba(0, 0, 0, .06);
    --radius: 16px;
    --font: "Avenir F", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
    margin: 0;
    background: #fff;
    color: var(--mg-text);
    font-family: var(--font);
}

.page-shell {
    width: min(860px, calc(100% - 28px));
    margin: 0 auto;
    padding: 14px 0 10px;
}

.hero {
    text-align: center;
    background: var(--mg-secondary);
    padding: 10px 10px 0;
}

.brand-row {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
}

.mg-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.eyebrow {
    margin: 2px 0 8px;
    color: var(--mg-primary);
    font-weight: 800;
    letter-spacing: .15em;
    font-size: .72rem;
}

h1 {
    max-width: 680px;
    margin: 0 auto;
    /* Aproximadamente 40% menor que el máximo anterior de 3.5rem. */
    font-size: clamp(1.45rem, 3vw, 2.1rem);
    line-height: 1.08;
    letter-spacing: -.025em;
}

.lead {
    max-width: 700px;
    margin: 10px auto 14px;
    color: #666;
    font-size: .94rem;
    line-height: 1.45;
}

.vin-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 16px 18px;
    text-align: left;
    background: #fff;
    border: 1px solid var(--mg-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.vin-card label {
    display: block;
    margin-bottom: 7px;
    font-weight: 800;
    font-size: .88rem;
}

.vin-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.vin-row input {
    width: 100%;
    min-width: 0;
    height: 48px;
    border: 1px solid #CBCBCB;
    border-radius: 11px;
    padding: 0 14px;
    background: #fff;
    color: var(--mg-text);
    font: inherit;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.vin-row input:focus {
    border-color: var(--mg-primary);
    box-shadow: 0 0 0 3px rgba(221, 64, 64, .10);
}

.vin-row button {
    height: 48px;
    padding: 0 24px;
    border: 0;
    border-radius: 11px;
    background: var(--mg-primary);
    color: #fff;
    font: inherit;
    font-size: .9rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform .15s ease, opacity .15s ease;
}

.vin-row button:hover { transform: translateY(-1px); }
.vin-row button:disabled { opacity: .65; cursor: wait; transform: none; }

.help, .form-error, .ultima-actualizacion {
    margin: 7px 0 0;
    font-size: .76rem;
}
.help, .ultima-actualizacion { color: var(--mg-gray); }
.form-error { color: #B42318; font-weight: 700; }

.resultado {
    max-width: 740px;
    margin: 12px auto 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    padding: 18px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--mg-border);
    background: #fff;
    box-shadow: var(--shadow);
}

.resultado.ok { border-left: 4px solid var(--mg-ok); }
.resultado.alerta { border-left: 4px solid var(--mg-primary); }
.resultado.error { border-left: 4px solid #B42318; }

.resultado-icono {
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;

    background: linear-gradient(145deg, #ffffff, #f1f1f1);
    border: 1px solid rgba(0, 0, 0, 0.08);

    box-shadow:
        0 10px 24px rgba(0, 0, 0, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);

    font-size: 0;
    position: relative;
}

/* Check visual */
.resultado-icono::before {
    content: "";
    width: 22px;
    height: 12px;

    border-left: 4px solid #d71920;
    border-bottom: 4px solid #d71920;

    transform: rotate(-45deg) translate(1px, -2px);
    border-radius: 2px;
}

/* Halo exterior sutil */
.resultado-icono::after {
    content: "";
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1px solid rgba(215, 25, 32, 0.13);
}
.resultado h2 { margin: 0 0 5px; font-size: 1.15rem; }
.resultado p { margin: 0; line-height: 1.42; font-size: .88rem; }

.campanas-lista {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.campana-item {
    padding: 12px 14px;
    background: #FAFAFA;
    border: 1px solid var(--mg-border);
    border-radius: 11px;
}

.campana-item strong {
    display: block;
    margin-bottom: 5px;
    font-size: .93rem;
}

.campana-notas {
    color: #4B4B4B;
    font-size: .86rem;
    line-height: 1.45;
    white-space: pre-line;
}

.privacy-note {
    max-width: 740px;
    margin: 10px auto 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 9px 12px;
    color: #666;
    font-size: .78rem;
}

footer {
    width: min(860px, calc(100% - 28px));
    margin: 0 auto;
    padding: 4px 0 10px;
    color: var(--mg-gray);
    text-align: center;
    font-size: .72rem;
}
.powered strong { color: var(--mg-text); }

@media (max-width: 680px) {
    .page-shell { width: min(100% - 18px, 860px); padding-top: 8px; }
    .mg-logo { width: 54px; height: 54px; }
    h1 { font-size: clamp(1.32rem, 7vw, 1.75rem); }
    .lead { font-size: .86rem; margin-bottom: 11px; }
    .vin-card { padding: 13px; }
    .vin-row { grid-template-columns: 1fr; }
    .vin-row button { width: 100%; }
    .resultado { grid-template-columns: auto 1fr; padding: 15px; }
}