* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    color: #0f172a;
    background: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
}

.btn-primary {
    background: #143991;
    color: #fff;
}

.btn-secondary {
    border: 1px solid #143991;
    color: #143991;
}

/* Topbar */
.topbar {
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 0;
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
}

/* Hero */
.hero {
    padding: 60px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
}

.hero h1 {
    font-size: 42px;
    line-height: 1.2;
}

.highlight {
    color: #143991;
}

.subtitle {
    margin: 16px 0;
    font-size: 18px;
}

.authority {
    font-size: 14px;
    color: #475569;
}

.micro {
    font-size: 12px;
    color: #64748b;
    margin-top: 10px;
}

.badge {
    display: inline-block;
    background: #e0f2fe;
    color: #0369a1;
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.doc-mock {
    background: #f1f5f9;
    height: 260px;
    border-radius: 10px;
}

/* Sections */
.section {
    padding: 70px 0;
}

.section.light {
    background: #f8fafc;
}

.section-sub {
    margin: 10px 0 30px;
    color: #475569;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.cards.four {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    border: 1px solid #9eaccc;
    border-radius: 8px;
    padding: 20px;
}

.card.small {
    font-size: 14px;
}

/* Split */
.split {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
}

.checklist li {
    list-style: none;
    margin-bottom: 10px;
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step span {
    display: inline-block;
    background: #143991;
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    text-align: center;
    line-height: 28px;
    font-size: 14px;
    margin-bottom: 10px;
}

/* CTA */
.cta {
    background: #0f172a;
    color: #fff;
    padding: 70px 0;
    text-align: center;
}

/* Disclaimer */
.disclaimer {
    font-size: 12px;
    color: #475569;
    padding: 30px 0;
    border-top: 1px solid #e5e7eb;
}

/* FAQ */
.faq-item {
    margin-bottom: 20px;
}

/* Footer */
.footer {
    padding: 30px 0;
    font-size: 14px;
    text-align: center;
    color: #64748b;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-grid,
    .split,
    .steps,
    .cards,
    .cards.four {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 34px;
    }
}

@media (max-width: 768px) {

    .hero {
        padding: 32px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .hero h1 {
        font-size: 28px;
        line-height: 1.25;
    }

    .subtitle {
        font-size: 16px;
        margin: 10px 0;
    }

    .authority {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .hero-preview {
        display: none; /* clave */
    }

    .btn-primary {
        width: 100%;
        text-align: center;
        padding: 16px;
        font-size: 16px;
    }

    .micro {
        text-align: center;
    }
}
@media (max-width: 768px) {
    .cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .card {
        padding: 16px;
    }

    .card h4 {
        font-size: 15px;
    }

    .card p {
        font-size: 14px;
    }
}
@media (max-width: 768px) {
    .cards.four {
        grid-template-columns: 1fr;
    }

    .card.small {
        font-size: 13px;
    }
}
@media (max-width: 768px) {
    .split {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .checklist li {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .included {
        background: #f8fafc;
        padding: 16px;
        border-radius: 8px;
    }
}
.steps-wrapper {
    overflow-x: auto;
}

@media (max-width: 768px) {
    .steps {
        grid-template-columns: repeat(4, 240px);
        gap: 16px;
    }

    .step {
        background: #ffffff;
        border: 1px solid #e5e7eb;
        border-radius: 8px;
        padding: 16px;
    }
}
@media (max-width: 768px) {
    .cta h2 {
        font-size: 24px;
    }

    .cta p {
        font-size: 15px;
        margin: 12px 0 20px;
    }
}
.sticky-cta {
    display: none;
}

@media (max-width: 768px) {
    .sticky-cta {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: #143991;
        z-index: 999;
    }

    .sticky-cta a {
        display: block;
        padding: 16px;
        text-align: center;
        color: #fff;
        font-weight: 600;
        text-decoration: none;
    }

    body {
        padding-bottom: 70px; /* evita tapar contenido */
    }
}
.txt-blue{
    color: #143991;
}
.hero-preview {
    background: #f8fafc;
    border-radius: 12px;
    padding: 16px;
}

.hero-preview img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.when-to-use {
    background: #ffffff;
}

.when-to-use .text-center {
    text-align: center;
}

.when-cards {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.when-card {
    background: #f9fafb;
    border: 1px solid #dbe2f0;
    border-radius: 14px;
    padding: 28px 24px;
    text-align: left;
}

.when-card h4 {
    margin-top: 16px;
    margin-bottom: 8px;
    font-size: 18px;
    font-weight: 600;
}

.when-card p {
    color: #475569;
    font-size: 15px;
    line-height: 1.6;
}

.when-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

/* Icon background colors */
.when-icon.bank {
    background: #fdecec;
    color: #e53935;
}

.when-icon.merchant {
    background: #fff3e0;
    color: #fb8c00;
}

.when-icon.write {
    background: #e3f2fd;
    color: #1e88e5;
}

/* Mobile */
@media (max-width: 768px) {
    .when-cards {
        grid-template-columns: 1fr;
    }
}
.why-rejected {
    background: #f8fafc;
}

.reject-cards {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.reject-card {
    background: #ffffff;
    border: 1px solid #dbe2f0;
    border-radius: 14px;
    padding: 26px 22px;
    text-align: left;
}

.reject-card h4 {
    margin-top: 16px;
    margin-bottom: 8px;
    font-size: 17px;
    font-weight: 600;
}

.reject-card p {
    color: #475569;
    font-size: 14.5px;
    line-height: 1.6;
}

.reject-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

/* Icon tones (subtle, serious) */
.reject-icon.sad {
    background: #f1f5f9;
    color: #0f172a;
}

.reject-icon.doc {
    background: #eef2ff;
    color: #3730a3;
}

.reject-icon.format {
    background: #f0fdf4;
    color: #166534;
}

.reject-icon.clock {
    background: #fff7ed;
    color: #9a3412;
}

/* Responsive */
@media (max-width: 1024px) {
    .reject-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .reject-cards {
        grid-template-columns: 1fr;
    }
}
.what-it-does {
    background: #ffffff;
}

.what-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

/* LEFT */
.what-left h2 {
    margin-bottom: 12px;
}

.what-left .section-sub {
    margin-bottom: 24px;
}

.what-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.what-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    color: #0f172a;
}

.check-icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: #143991;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

/* RIGHT */
.what-included {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px;
}

.what-included h4 {
    text-align: center;
    margin-bottom: 24px;
}

.included-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.included-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.included-card.wide {
    grid-column: span 2;
}

.included-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

/* Icon colors */
.included-icon.doc {
    background: #eef2ff;
    color: #143991;
}

.included-icon.pdf {
    background: #fee2e2;
    color: #dc2626;
}

.included-icon.check {
    background: #ecfdf5;
    color: #16a34a;
}

/* Responsive */
@media (max-width: 1024px) {
    .what-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .included-grid {
        grid-template-columns: 1fr;
    }

    .included-card.wide {
        grid-column: span 1;
    }
}
.how-to-use {
    background: #f8fafc;
}

.text-center {
    text-align: center;
}

/* STEPS CONTAINER */
.steps-line {
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: relative;
    gap: 32px;
}

/* CONNECTING LINE */
.steps-line::before {
    content: "";
    position: absolute;
    top: 22px;
    left: 5%;
    right: 5%;
    height: 2px;
    background: #e2e8f0;
    z-index: 0;
}

/* STEP ITEM */
.step-item {
    position: relative;
    text-align: center;
    z-index: 1;
}

.step-item h4 {
    margin-top: 16px;
    margin-bottom: 6px;
    font-size: 16px;
    font-weight: 600;
}

.step-item p {
    font-size: 14px;
    color: #475569;
    line-height: 1.5;
}

/* CIRCLE */
.step-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #143991;
    background: #ffffff;
    color: #143991;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin: 0 auto;
}

/* ACTIVE STEP (FIRST ONE) */
.step-item.active .step-circle {
    background: #143991;
    color: #ffffff;
}

/* MONO STYLE */
.mono {
    font-family: monospace;
    background: #eef2ff;
    padding: 2px 6px;
    border-radius: 4px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .steps-line {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 48px;
    }

    .steps-line::before {
        display: none;
    }
}

@media (max-width: 640px) {
    .steps-line {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.disclaimer-section {
    background: #f8fafc;
    padding: 64px 0;
}

.disclaimer-box {
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 40px 32px;
    text-align: center;
}

.disclaimer-icon {
    width: 36px;
    height: 36px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: #e5e7eb;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.disclaimer-box h4 {
    font-size: 13px;
    letter-spacing: 0.12em;
    color: #64748b;
    margin-bottom: 16px;
    font-weight: 600;
}

.disclaimer-box p {
    font-size: 14.5px;
    line-height: 1.7;
    color: #6b7280;
}
.faq-section h2 {
    text-align: center;
    margin-bottom: 40px;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e5e7eb;
    padding: 0;
    overflow: hidden;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 24px;
    font-weight: 600;
    font-size: 16px;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "⌄";
    font-size: 18px;
    color: #64748b;
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    transform: rotate(180deg);
}

.faq-item p {
    padding: 0 24px 22px;
    font-size: 15px;
    line-height: 1.7;
    color: #475569;
}

.m-16{
    margin: 16px;
    margin-top: 26px;
    margin-bottom: 4px;
}