:root {
    --blue: #2b66a6;
    --blue-dark: #1e4d82;
    --blue-deep: #17385f;
    --blue-soft: #eef5fb;
    --ink: #182332;
    --muted: #5c6876;
    --line: #dfe7ef;
    --surface: #fff;
    --surface-2: #f6f9fc;
    --green: #18794e;
    --green-soft: #e9f7f0;
    --amber: #a85d00;
    --amber-soft: #fff6e5;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow: 0 10px 30px rgba(24, 49, 78, .08);
    --shadow-lg: 0 24px 60px rgba(22, 52, 86, .14);
    --font: "Inter", "Segoe UI", system-ui, sans-serif;
    --display: "Poppins", "Segoe UI", system-ui, sans-serif;
    --content: 1080px
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 76px
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    background: #fff
}

a {
    color: inherit
}

button {
    font: inherit
}

p {
    margin: 0 0 1.05rem
}

h1,
h2,
h3,
h4 {
    font-family: var(--display);
    line-height: 1.2;
    margin: 0 0 1rem
}

h1 {
    font-size: clamp(2.35rem, 5vw, 4.55rem);
    letter-spacing: -.045em
}

.hero-copy h1 {
    max-width: none;
    width: 100%;
}


.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
}

/* El título ocupa las dos columnas */
.hero-title {
    grid-column: 1 / -1;
}

.hero-title h1 {
    width: 100%;
    max-width: none;
    margin-bottom: -3% !important;
}

h2 {
    font-size: clamp(1.8rem, 3vw, 2.7rem);
    letter-spacing: -.025em
}

h3 {
    font-size: 1.12rem
}

h4 {
    font-size: 1rem
}

.container {
    width: min(var(--content), calc(100% - 40px));
    margin: auto
}

.skip-link {
    position: fixed;
    left: 12px;
    top: -60px;
    background: #fff;
    color: var(--blue-dark);
    padding: 10px 14px;
    border-radius: 8px;
    z-index: 9999;
    box-shadow: var(--shadow)
}

.skip-link:focus {
    top: 12px
}

.reading-progress {
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 0;
    height: 3px;
    background: #7fb5e9
}

.topbar {
    height: 58px;
    background: #4273c2;
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .12)
}

.menu-left {
    display: flex;
    align-items: center;
    gap: 4px
}

.topbar a,
.dropbtn {
    border: 0;
    background: transparent;
    color: rgba(255, 255, 255, .92);
    text-decoration: none;
    font-size: .94rem;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer
}

.topbar a:hover,
.dropbtn:hover,
.dropbtn[aria-expanded=true] {
    background: rgba(255, 255, 255, .14)
}

.dropdown {
    position: relative
}

.dropdown-content {
    position: absolute;
    left: 0;
    top: calc(100% + 5px);
    min-width: 235px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 7px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: .18s ease
}

.dropdown:hover .dropdown-content,
.dropdown:focus-within .dropdown-content,
.dropdown.open .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: none
}

.dropdown-content a {
    display: block;
    color: var(--ink);
    padding: 9px 10px
}

.dropdown-content a:hover {
    background: var(--blue-soft);
    color: var(--blue-dark)
}

.menu-toggle {
    display: none;
    margin-left: auto;
    background: none;
    border: 0;
    color: #fff;
    padding: 8px
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 5px
}

.article-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #17385f 0%, #285f98 55%, #4273c2 100%);
    color: #fff;
    padding: 84px 0 76px
}

.article-hero:before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    right: -160px;
    top: -180px
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
    gap: 40px 60px;
    align-items: center;
}

.hero-title {
    grid-column: 1 / -1;
}

.hero-full-text {
    grid-column: 1 / -1;
    width: 100%;
}

.hero-full-text {
    color: rgba(255, 255, 255, .88);
}

.hero-full-text>p {
    margin: 0 0 1rem;
    width: 100%;
    max-width: none;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #d9ecff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .78rem;
    margin-bottom: 18px
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #9ed0ff
}



.hero-text {
    color: rgba(255, 255, 255, .88);
    max-width: 760px
}

.hero-text p {
    margin-bottom: 1rem
}

.notice {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-top: 25px;
    padding: 18px 22px;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .09);
    border-radius: 13px;
    color: #eef7ff;

    width: 100%;
    box-sizing: border-box;
}

.notice p {
    margin: 0;
    font-size: .92rem;
    line-height: 1.6;
}

.notice-icon {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .55);
    border-radius: 50%;
    font-weight: 800;
    flex: none
}

.hero-visual {
    min-height: 370px;
    position: relative;
    display: grid;
    place-items: center
}

.code-window {
    width: min(100%, 430px);
    border: 1px solid rgba(255, 255, 255, .18);
    background: #0e243b;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 70px rgba(0, 0, 0, .28);
    transform: rotate(1deg)
}

.window-bar {
    height: 42px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 15px;
    border-bottom: 1px solid rgba(255, 255, 255, .09);
    color: #d8e7f6;
    font-size: .75rem
}

.window-bar span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #7691aa
}

.window-bar b {
    margin-left: auto;
    font-weight: 600
}

.code-body {
    padding: 25px;
    font: 13px/2.1 ui-monospace, SFMono-Regular, Consolas, monospace;
    color: #d9e9f7
}

.code-body span {
    display: block
}

.code-accent {
    color: #79b9f1
}

.float-card {
    position: absolute;
    background: #fff;
    color: var(--ink);
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 12px;
    padding: 11px 14px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .18);
    display: flex;
    flex-direction: column;
    line-height: 1.25
}

.float-card strong {
    font-family: var(--display);
    font-size: .95rem
}

.float-card span {
    font-size: .72rem;
    color: var(--muted);
    margin-top: 3px
}

.float-one {
    top: 30px;
    right: 0
}

.float-two {
    left: 0;
    bottom: 58px
}

.float-three {
    right: 20px;
    bottom: 10px
}

.article-layout {
    display: grid;
    grid-template-columns: 225px minmax(0, 1fr);
    gap: 55px;
    padding-top: 55px
}

.toc {
    align-self: start
}

.toc-inner {
    position: sticky;
    top: 82px
}

.toc-heading {
    text-transform: uppercase;
    letter-spacing: .09em;
    font-size: .72rem;
    font-weight: 800;
    color: #728094;
    margin-bottom: 10px
}

.toc nav {
    border-left: 1px solid var(--line);
    display: grid
}

.toc a {
    padding: 7px 12px;
    color: #6a7685;
    text-decoration: none;
    font-size: .84rem;
    line-height: 1.35;
    border-left: 2px solid transparent;
    margin-left: -1px
}

.toc a:hover,
.toc a.active {
    color: var(--blue-dark);
    border-left-color: var(--blue)
}

.article-content {
    min-width: 0
}

.article-section {
    padding: 0 0 68px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--line)
}

.section-title {
    scroll-margin-top: 80px
}

.section-title:after {
    content: "";
    display: block;
    width: 48px;
    height: 3px;
    background: var(--blue);
    border-radius: 2px;
    margin-top: 15px
}

.article-content p {
    color: #3e4a59
}

.closing-note,
.system-tail {
    font-weight: 600;
    color: var(--blue-dark) !important
}

.feature-list,
.compact-list {
    list-style: none;
    margin: 18px 0 24px;
    padding: 0;
    display: grid;
    gap: 10px
}

.feature-list li,
.compact-list li {
    display: flex;
    gap: 11px;
    align-items: flex-start
}

.li-icon {
    width: 23px;
    height: 23px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--green-soft);
    color: var(--green);
    font-size: .74rem;
    font-weight: 800;
    flex: none;
    margin-top: 3px
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 28px
}

.criteria-card {
    padding: 23px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 5px 20px rgba(24, 49, 78, .045)
}

.criteria-number {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--blue-soft);
    color: var(--blue-dark);
    font-weight: 800;
    font-size: .8rem;
    margin-bottom: 12px
}

.criteria-card h3 {
    margin-bottom: 8px
}

.criteria-card p {
    font-size: .94rem
}

.table-wrap {
    overflow-x: hidden;
    width: 100%;
}

.comparison-table {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
    font-size: .78rem;
}

.comparison-table th,
.comparison-table td {
    padding: 10px 7px;
    vertical-align: middle;
    line-height: 1.25;
}

/* Ranking */
.comparison-table th:nth-child(1),
.comparison-table td:nth-child(1) {
    width: 6%;
    text-align: center;
}

/* Sistema */
.comparison-table th:nth-child(2),
.comparison-table td:nth-child(2) {
    width: 16%;
}

/* Modalidad */
.comparison-table th:nth-child(3),
.comparison-table td:nth-child(3) {
    width: 13%;
}

/* RFC */
.comparison-table th:nth-child(4),
.comparison-table td:nth-child(4) {
    width: 13%;
}

/* Tipo de descarga */
.comparison-table th:nth-child(5),
.comparison-table td:nth-child(5) {
    width: 18%;
}

/* Reportes Excel */
.comparison-table th:nth-child(6),
.comparison-table td:nth-child(6) {
    width: 11%;
    text-align: center;
}

/* Convertidor PDF */
.comparison-table th:nth-child(7),
.comparison-table td:nth-child(7) {
    width: 11%;
    text-align: center;
}

/* Precio */
.comparison-table th:nth-child(8),
.comparison-table td:nth-child(8) {
    width: 12%;
    text-align: center;
    white-space: nowrap;
}

/* Evita que los nombres largos rompan la tabla */
.comparison-table .table-system {
    overflow-wrap: anywhere;
}

/* Encabezados */
.comparison-table thead th {
    font-size: .72rem;
    line-height: 1.2;
}

/* Contenido de descarga */
.comparison-table td:nth-child(5) {
    font-size: .72rem;
}

/* Ocupa menos espacio vertical en los checks */
.comparison-table .yes {
    font-size: .76rem;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 0;
    font-size: .88rem
}

th,
td {
    padding: 13px 14px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: top
}

thead th {
    background: #f0f5fa;
    color: #263c53;
    font-weight: 800;
    position: sticky;
    top: 0;
    z-index: 2
}

tbody tr:last-child th,
tbody tr:last-child td {
    border-bottom: 0
}

tbody tr:hover {
    background: #f9fbfd
}

.table-system {
    color: var(--blue-dark);
    font-weight: 800;
    background: #fbfdff
}

.yes {
    color: var(--green);
    font-weight: 700;
    white-space: nowrap
}


.table-system a {
    color: inherit;
    text-decoration: none;
    display: block;
}


.dash {
    color: #8a95a1
}

.section-intro {
    color: var(--muted) !important
}

.systems {
    padding-bottom: 45px
}

.section-overline {
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 7px
}

.system-card {
    position: relative;
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 22px;
    padding: 34px 0;
    border-top: 1px solid var(--line)
}

.system-marker {
    width: 48px;
    height: 48px;
    border-radius: 13px;
    background: var(--blue-dark);
    color: #fff;
    display: grid;
    place-items: center;
    font-family: var(--display);
    font-weight: 800;
    font-size: .95rem;
    position: sticky;
    top: 88px
}

.system-main {
    min-width: 0
}

.system-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 15px
}

.system-kicker {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-weight: 800;
    color: #788696;
    margin-bottom: 5px
}

.system-title {
    margin: 0;
    font-size: clamp(1.45rem, 2.5vw, 2rem)
}

.system-badge {
    border: 1px solid var(--line);
    color: #617184;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: .72rem;
    font-weight: 700;
    white-space: nowrap
}

.subheading {
    margin-top: 24px;
    margin-bottom: 8px
}

.price-block {
    display: grid;
    gap: 4px;
    margin: 22px 0;
    padding: 20px 22px;
    border-radius: 15px;
    background: var(--blue-soft);
    border: 1px solid #d9e8f6
}

.price-label {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .09em;
    font-weight: 800;
    color: var(--blue-dark)
}

.price-value {
    font-family: var(--display);
    font-size: 1.5rem;
    color: var(--blue-dark)
}

.price-block p {
    margin: 0;
    font-size: .9rem
}

.callout {
    margin: 22px 0;
    padding: 17px 19px;
    border-left: 4px solid var(--blue);
    background: #f4f8fc;
    border-radius: 0 12px 12px 0
}

.callout p {
    margin-top: 7px
}

.editorial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 28px
}

.editorial-card {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff
}

.editorial-card h3 {
    color: var(--blue-dark)
}

.mode-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 25px
}

.mode-card {
    padding: 27px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface-2)
}

.mode-card.cloud {
    background: #f5f9fe;
    border-color: #d5e4f2
}

.mode-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--line);
    color: var(--blue-dark);
    font-size: 1.2rem;
    margin-bottom: 15px
}

.process-list {
    list-style: none;
    counter-reset: steps;
    margin: 25px 0;
    padding: 0;
    display: grid;
    gap: 9px
}

.process-list li {
    counter-increment: steps;
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 10px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff
}

.process-list li:before {
    content: counter(steps);
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    background: var(--blue-dark);
    color: #fff;
    border-radius: 50%;
    font-weight: 800;
    font-size: .78rem
}

.flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    flex-wrap: wrap;
    margin: 30px 0;
    padding: 18px;
    border-radius: 15px;
    background: #f4f7fa;
    color: var(--blue-dark);
    font-weight: 800
}

.flow span {
    padding: 8px 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 9px
}

.flow b {
    color: #8190a0
}

.worth {
    background: linear-gradient(90deg, #f7fafc, #fff);
    padding: 35px;
    border: 1px solid var(--line);
    border-radius: 20px
}

.worth blockquote {
    margin: 25px 0 0;
    padding: 20px 22px;
    border-left: 4px solid var(--blue);
    background: #fff;
    border-radius: 0 12px 12px 0;
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--blue-dark)
}

.conclusion {
    background: var(--blue-deep);
    color: #fff;
    padding: 38px;
    border: 0;
    border-radius: 20px
}

.conclusion .section-title {
    color: #fff
}

.conclusion .section-title:after {
    background: #7fb5e9
}

.conclusion p {
    color: #dceaf7
}

.faq-list {
    display: grid;
    gap: 10px;
    margin-top: 25px
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
    overflow: hidden
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 17px 19px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    gap: 15px;
    align-items: center
}

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

.faq-plus {
    font-size: 1.4rem;
    color: var(--blue);
    font-weight: 400;
    transition: transform .18s
}

.faq-item[open] .faq-plus {
    transform: rotate(45deg)
}

.faq-answer {
    padding: 0 19px 18px
}

.faq-answer p {
    margin: 0
}

.site-footer {
    position: relative;
    background: #20495a;
    color: #ffffff;
    padding: 44px 0 58px;
    font-family: Arial, sans-serif;
}

.footer-container {
    width: 100%;
    max-width: 1290px;
    margin: 0 auto;
    padding: 0 25px;

    display: grid;
    grid-template-columns: 2.1fr 1fr 1fr 1fr;
    column-gap: 55px;
}

/* Columna de información */
.footer-info h3 {
    margin: 0 0 34px;
    color: #ffffff;
    font-size: 25px;
    font-weight: 600;
}

.footer-info p {
    margin: 0 0 12px;
    color: #ffffff;
    font-size: 14px;
    line-height: 1.55;
}

.footer-info p:last-child {
    margin-top: 5px;
}

.footer-info strong {
    font-weight: 700;
}

/* Títulos */
.footer-column h4 {
    margin: 0 0 22px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
}

/* Listas */
.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column li {
    margin-bottom: 18px;
}

.footer-column li a {
    position: relative;
    color: #d9e6ed;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
    padding-left: 15px;
}

.footer-column li a::before {
    content: "›";
    position: absolute;
    left: 0;
    top: -1px;
    color: #55a6d2;
    font-size: 19px;
    line-height: 14px;
}

.footer-column li a:hover {
    color: #ffffff;
}

/* Redes sociales */
.footer-social {
    padding-left: 0;
}

.social-links {
    display: flex;
    gap: 10px;
}

/* Chat inferior derecho */
.footer-chat {
    position: absolute;
    right: 15px;
    bottom: 0;

    width: 260px;
    height: 40px;

    background: #15567e;
    border-radius: 5px 5px 0 0;

    display: flex;
    align-items: center;
    padding-left: 15px;

    color: #ffffff;
    font-size: 16px;
}

/* Responsive */
@media (max-width: 900px) {

    .footer-container {
        grid-template-columns: 1fr 1fr;
        row-gap: 40px;
    }

    .footer-info {
        grid-column: 1 / -1;
    }

}

@media (max-width: 600px) {

    .site-footer {
        padding: 35px 0 30px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        row-gap: 35px;
    }

    .footer-info {
        grid-column: auto;
    }

    .footer-info h3 {
        margin-bottom: 25px;
    }

    .footer-chat {
        position: static;
        width: calc(100% - 30px);
        margin: 30px 15px 0;
        border-radius: 5px;
    }

}

.back-top-inline {
    color: #fff;
    text-decoration: none;
    font-weight: 700
}

.back-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--blue-dark);
    border-radius: 50%;
    box-shadow: var(--shadow);
    font-size: 1.15rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: .2s
}

.back-top.show {
    opacity: 1;
    visibility: visible;
    transform: none
}

.back-top:focus-visible,
.topbar a:focus-visible,
.dropbtn:focus-visible,
.faq-item summary:focus-visible,
.menu-toggle:focus-visible {
    outline: 3px solid #9ed0ff;
    outline-offset: 2px
}

@media(max-width:900px) {
    .hero-grid {
        grid-template-columns: 1fr
    }

    .hero-visual {
        min-height: 310px;
        max-width: 560px
    }

    .article-layout {
        grid-template-columns: 1fr
    }

    .toc {
        order: -1
    }

    .toc-inner {
        position: static
    }

    .toc nav {
        display: flex;
        flex-wrap: wrap;
        border: 0;
        gap: 6px
    }

    .toc a {
        border: 1px solid var(--line);
        margin: 0;
        border-radius: 999px;
        padding: 7px 10px
    }

    .criteria-grid,
    .editorial-grid,
    .mode-grid {
        grid-template-columns: 1fr
    }

    .system-marker {
        position: static
    }
}

@media(max-width:700px) {
    .container {
        width: min(var(--content), calc(100% - 28px))
    }

    .topbar {
        padding: 0 14px
    }

    .menu-left {
        display: none;
        position: absolute;
        left: 10px;
        right: 10px;
        top: 64px;
        background: #fff;
        padding: 8px;
        border-radius: 13px;
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        align-items: stretch
    }

    .topbar.menu-open .menu-left {
        display: flex
    }

    .topbar a,
    .dropbtn {
        color: var(--ink);
        text-align: left;
        width: 100%
    }

    .dropdown-content {
        position: static;
        box-shadow: none;
        border: 0;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none
    }

    .dropdown.open .dropdown-content {
        display: block
    }

    .menu-toggle {
        display: block
    }

    .article-hero {
        padding: 55px 0 45px
    }

    .hero-visual {
        min-height: 270px
    }

    .float-one {
        right: -5px
    }

    .float-two {
        left: -4px
    }

    .float-three {
        right: 5px
    }

    .article-layout {
        padding-top: 35px
    }

    .article-section {
        padding-bottom: 48px
    }

    .system-card {
        grid-template-columns: 1fr;
        gap: 12px
    }

    .system-head {
        flex-direction: column
    }

    .system-badge {
        align-self: flex-start
    }

    .system-marker {
        width: 42px;
        height: 42px
    }

    .table-wrap {
        border-radius: 11px
    }

    .flow {
        justify-content: flex-start
    }

    .flow b {
        display: none
    }

    .flow span {
        flex: 1 1 calc(50% - 10px);
        text-align: center
    }

    .conclusion,
    .worth {
        padding: 25px 20px
    }

    .footer-grid {
        align-items: flex-start;
        flex-direction: column
    }

    .back-top {
        right: 14px;
        bottom: 14px
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }

    .dropdown-content,
    .back-top,
    .faq-plus {
        transition: none
    }
}




.comparison-table {
    width: 100%;
    table-layout: fixed;
}

.comparison-table th,
.comparison-table td {
    padding: 12px 10px;
}

/* Anchos de cada columna */
.comparison-table th:nth-child(1),
.comparison-table td:nth-child(1) {
    width: 7%;
    text-align: center;
}

.comparison-table th:nth-child(2),
.comparison-table td:nth-child(2) {
    width: 16%;
}

.comparison-table th:nth-child(3),
.comparison-table td:nth-child(3) {
    width: 14%;
}

.comparison-table th:nth-child(4),
.comparison-table td:nth-child(4) {
    width: 13%;
}

.comparison-table th:nth-child(5),
.comparison-table td:nth-child(5) {
    width: 17%;
}

.comparison-table th:nth-child(6),
.comparison-table td:nth-child(6) {
    width: 11%;
    text-align: center;
}

.comparison-table th:nth-child(7),
.comparison-table td:nth-child(7) {
    width: 11%;
    text-align: center;
}

.comparison-table th:nth-child(8),
.comparison-table td:nth-child(8) {
    width: 11%;
    white-space: nowrap;
}

.comparison-table th:nth-child(6),
.comparison-table th:nth-child(7) {
    line-height: 1.2;
}


.rnkng-sys-section {
    width: 100%;
    padding: 45px 0;
}

.rnkng-sys-header {
    text-align: center;
    margin-bottom: 28px;
}

.rnkng-sys-overline {
    display: block;
    margin-bottom: 7px;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
}

.rnkng-sys-header h2 {
    margin: 0;
    color: var(--blue-dark);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
}

.rnkng-sys-header p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: .9rem;
}

.rnkng-sys-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 230px));
    gap: 14px;
    justify-content: center;
}

.rnkng-sys-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 72px;

    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 5px 18px rgba(31, 52, 73, .07);
    color: var(--blue-dark);
    text-decoration: none;
    transition:
        transform .2s ease,
        box-shadow .2s ease,
        border-color .2s ease;
}

.rnkng-sys-card:hover {
    transform: translateY(-4px);
    border-color: #c9dced;
    box-shadow: 0 10px 25px rgba(31, 52, 73, .13);
}

.rnkng-sys-card:focus-visible {
    outline: 3px solid rgba(67, 115, 194, .25);
    outline-offset: 3px;
}

.rnkng-sys-number {
    display: grid;
    place-items: center;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--blue-dark);
    color: #fff;
    font-size: .82rem;
    font-weight: 800;
}

.rnkng-sys-name {
    flex: 1;
    font-size: .9rem;
    font-weight: 800;
}

.rnkng-sys-arrow {
    color: #8a98a7;
    font-size: 1rem;
    transition:
        color .2s ease,
        transform .2s ease;
}

.rnkng-sys-card:hover .rnkng-sys-arrow {
    color: var(--blue);
    transform: translate(2px, -2px);
}


/* Tablet */
@media (max-width: 900px) {
    .rnkng-sys-list {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* Móvil */
@media (max-width: 560px) {
    .rnkng-sys-section {
        padding: 35px 0;
    }

    .rnkng-sys-list {
        grid-template-columns: 1fr;
    }

    .rnkng-sys-card {
        min-height: 66px;
    }
}