body {
    margin: 0;
    font-family: 'Roboto-Regular', 'Segoe UI', Arial, sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.05), transparent 35%),
        radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.08), transparent 30%),
        linear-gradient(90deg, #0b1d4d, #0092cd);
    color: #1f2a44;
    min-height: 100vh;
}

:root {
    --pago-card: #ffffff;
    --pago-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    --pago-azul: #1b2f8a;
    --pago-dorado: #cab881;
}

body>.container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 30px 25px 80px;
}

.discount-banner {
    background: linear-gradient(135deg, #b30000, #ff2d2d);
    color: #ffffff;
    padding: 26px 28px;
    border-radius: 18px;
    text-align: center;
    margin: 10px 0 50px;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.28);
    position: relative;
    overflow: hidden;
}

.discount-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.18), transparent 55%);
    pointer-events: none;
}

.discount-banner h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
}

.countdown {
    font-size: 34px;
    font-weight: bold;
    margin-top: 10px;
    letter-spacing: 2px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* ===== SECCIONES ===== */
.section {
    background: var(--pago-card);
    border-radius: 20px;
    padding: 42px;
    margin-bottom: 45px;
    box-shadow: var(--pago-shadow);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(6px);
}

.section-header {
    text-align: center;
    margin-bottom: 25px;
    display: grid;
    gap: 10px;
    justify-items: center;
}

.section-header img {
    max-height: 60px;
    margin-bottom: 15px;
}

.section-header h2 {
    margin: 0;
    font-size: 26px;
    color: var(--pago-azul);
    letter-spacing: 0.3px;
}

.description {
    text-align: center;
    font-size: 17px;
    margin: 0 auto 32px;
    color: #334155;
    max-width: 760px;
}

/* ===== BOTONES ===== */
.buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.buttons .btn {
    min-width: 240px;
    padding: 26px 30px;
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: 16px;
    text-decoration: none;
    color: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.buttons .btn .monto-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.18);
    font-size: 23px;
    font-weight: 700;
    line-height: 1;
}

.buttons .btn:hover {
    transform: translateY(-5px);
}

.buttons .btn:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.7);
    outline-offset: 3px;
}

.btn-stripe {
    background: linear-gradient(135deg, #6a1b9a, #8e24aa);
    box-shadow: 0 12px 25px rgba(106, 27, 154, 0.45);
}

.btn-bac {
    background: linear-gradient(135deg, #b30000, #ff2d2d);
    box-shadow: 0 12px 25px rgba(179, 0, 0, 0.45);
}

/* ===== CUENTAS ===== */
.accounts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-items: center;
}

.account-card {
    padding: 32px 28px;
    border-radius: 18px;
    background: linear-gradient(135deg, #f8fbff, #ffffff);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    border: 1px solid rgba(27, 47, 138, 0.12);
    width: 100%;
    max-width: 380px;
}


.section h2 {
    font-weight: 700;
}

.section p {
    font-weight: 700;
    font-size: 1.5rem;
}

.account-card .badge {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: 0.4px;
}

.badge.usd {
    background: #6a1b9a;
}

.badge.nio {
    background: #b30000;
}

.account-number {
    font-size: 1.6rem;
    font-weight: 700;
    margin-top: 10px;
    color: var(--pago-azul);
}

.generic-nio {
    gap: 2rem;
}

/* ===== PASOS ===== */
.steps {
    background: linear-gradient(145deg, #0f1324, #171d34);
    color: #ffffff;
    border-radius: 22px;
    padding: 45px;
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
    counter-reset: paso;
    font-weight: 700;
}

.step {
    font-size: 20px;
    margin-bottom: 25px;
    line-height: 1.6;
    padding: 14px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
}

.step strong {
    font-size: 22px;
    color: var(--pago-dorado);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .discount-banner h1 {
        font-size: 22px;
    }

    .countdown {
        font-size: 26px;
    }

    .section {
        padding: 32px 26px;
    }

    .buttons .btn {
        font-size: 22px;
        width: 100%;
    }

    .steps {
        padding: 32px 24px;
    }

    .step {
        font-size: 18px;
    }
}