:root {
    --navy: #0b1f33;
    --blue: #145d8f;
    --sky: #e9f3fa;
    --ink: #172033;
    --muted: #58697b;
    --line: #cbd5e1;
    --white: #ffffff;
    --green: #17653a;
    --red: #a32525;
    --amber: #7a4d00;
    --bg: #f4f7fa;
}

/* =========================================================
   BASE GENERAL
   ========================================================= */

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

html {
    scroll-behavior: smooth;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    max-width: 100%;
    overflow-x: hidden;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.65;
}

img,
video,
iframe {
    max-width: 100%;
    height: auto;
}

a {
    color: #0c568b;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.narrow {
    width: min(800px, calc(100% - 40px));
    margin-inline: auto;
}

/* =========================================================
   ENCABEZADO
   ========================================================= */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    color: #ffffff;
    background: var(--navy);
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.14);
}

.nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    gap: 20px;
}

.brand {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1.2;
    text-decoration: none;
}

.brand span {
    color: #79c4f1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

.nav-links a {
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.nav-toggle {
    display: none;
    color: #ffffff;
    background: none;
    border: 0;
    font-size: 1.6rem;
    cursor: pointer;
}

/* =========================================================
   BOTONES
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.05rem;
    color: #123b5d;
    background: #ffffff;
    border: 1px solid #9bb3c6;
    border-radius: 9px;
    font-weight: 800;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn.primary {
    color: #ffffff;
    background: #145d8f;
    border-color: #145d8f;
}

.btn.primary:hover {
    background: #0f4e79;
    border-color: #0f4e79;
}

.btn.ghost {
    color: #ffffff;
    background: transparent;
    border-color: #ffffff;
}

.btn.ghost:hover {
    color: #0b1f33;
    background: #ffffff;
}

.btn.danger {
    color: #ffffff;
    background: #a32525;
    border-color: #a32525;
}

.btn.small {
    padding: 0.48rem 0.7rem;
    font-size: 0.9rem;
}

.btn.full {
    width: 100%;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
    padding: clamp(48px, 8vw, 88px) 0;
    color: #ffffff;
    background: linear-gradient(135deg, #0b1f33, #145d8f);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    align-items: center;
    gap: clamp(28px, 5vw, 64px);
}

.hero-grid > * {
    min-width: 0;
}

.hero h1 {
    max-width: 850px;
    margin: 0.4rem 0 1rem;
    font-size: clamp(2.3rem, 5.2vw, 4.7rem);
    line-height: 1.03;
    overflow-wrap: anywhere;
}

.hero p {
    max-width: 780px;
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    line-height: 1.75;
}

.hero-claim {
    max-width: 760px;
    margin: 22px 0;
    color: #ffffff;
    font-size: clamp(1.35rem, 2.4vw, 2rem);
    line-height: 1.25;
}

.eyebrow {
    color: #8ed4ff;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow.dark {
    color: #17679b;
}

.hero-card,
.card {
    color: var(--ink);
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.35rem;
    box-shadow: 0 8px 30px rgba(8, 28, 45, 0.08);
}

.hero-card {
    width: 100%;
    padding: clamp(22px, 3vw, 34px);
    border-radius: 22px;
    box-shadow: 0 22px 48px rgba(3, 20, 36, 0.25);
}

.hero-card h2 {
    margin-top: 0;
    font-size: clamp(1.55rem, 2.5vw, 2.05rem);
}

.hero-card .checklist li {
    margin-bottom: 8px;
    line-height: 1.55;
}

.hero-card-close {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid #d9e4ef;
    color: #123b5d;
}

.actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.center-actions {
    justify-content: center;
}

.trust-row {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    margin-top: 18px;
}

.trust-row span,
.badge,
.status {
    padding: 0.3rem 0.6rem;
    color: #174c70;
    background: #e8f2f9;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
}

.trust-row span {
    white-space: nowrap;
}

/* =========================================================
   SECCIONES
   ========================================================= */

.section {
    padding: clamp(48px, 7vw, 88px) 0;
}

.section.alt {
    background: #e9f0f6;
}

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

.section-heading {
    width: min(900px, 100%);
    margin: 0 auto clamp(28px, 5vw, 48px);
    text-align: center;
}

.section-heading h2 {
    margin: 10px 0 16px;
    font-size: clamp(1.9rem, 3.8vw, 3rem);
    line-height: 1.15;
}

.section-lead {
    max-width: 820px;
    margin-inline: auto;
    color: #536b82;
    font-size: clamp(1rem, 1.6vw, 1.12rem);
    line-height: 1.75;
}

.lead {
    color: var(--muted);
    font-size: 1.2rem;
}

/* =========================================================
   TARJETAS
   ========================================================= */

.cards {
    display: grid;
    gap: 1rem;
}

.cards.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.card {
    min-width: 0;
}

.link-card {
    text-decoration: none;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.link-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(8, 28, 45, 0.14);
}

.sales-feature-card {
    position: relative;
    min-width: 0;
    height: 100%;
    overflow: hidden;
    padding: 28px 24px;
}

.sales-feature-card h3 {
    position: relative;
    z-index: 2;
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    line-height: 1.25;
}

.sales-feature-card p {
    position: relative;
    z-index: 2;
    line-height: 1.7;
}

.feature-number {
    position: absolute;
    top: 8px;
    right: 16px;
    color: #d7e6f1;
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1;
}

/* =========================================================
   CAPTURAS Y PRUEBA VISUAL
   ========================================================= */

.proof-section {
    overflow: hidden;
}

.proof-showcase {
    display: grid;
    grid-template-columns: minmax(300px, 0.92fr) minmax(320px, 1.08fr);
    align-items: center;
    gap: clamp(24px, 4vw, 46px);

    max-width: 1080px;
    margin: 0 auto 42px;
    padding: clamp(18px, 2.5vw, 28px);

    background: #ffffff;
    border: 1px solid #cbd9e5;
    border-radius: 22px;
    box-shadow:
        0 16px 38px rgba(8, 32, 55, 0.08),
        inset 0 0 0 5px #f5f9fc;
}

.proof-showcase > * {
    min-width: 0;
}

.proof-showcase.reverse {
    grid-template-columns: minmax(320px, 1.08fr) minmax(300px, 0.92fr);
}

.proof-showcase.reverse .proof-image {
    order: 2;
}

.proof-showcase.reverse .proof-copy {
    order: 1;
}

.proof-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    min-width: 0;
    padding: 12px;

    background: linear-gradient(145deg, #eef5fa, #ffffff);
    border: 1px solid #adc4d7;
    border-radius: 17px;
    box-shadow:
        0 12px 28px rgba(12, 42, 69, 0.14),
        inset 0 0 0 4px #ffffff;

    overflow: hidden;
}

.proof-image::before {
    content: "";
    position: absolute;
    top: 7px;
    left: 18px;

    width: 8px;
    height: 8px;

    background: #7ea5c0;
    border-radius: 50%;
    box-shadow:
        14px 0 0 #a8bfd0,
        28px 0 0 #cedbe5;
}

.proof-image img {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 420px;
    margin: 16px auto 0;

    object-fit: contain;
    object-position: center;

    background: #ffffff;
    border: 1px solid #d8e2ea;
    border-radius: 10px;

    filter:
        saturate(0.94)
        contrast(0.99);

    transition:
        transform 0.25s ease,
        filter 0.25s ease;
}

.proof-showcase:hover .proof-image img {
    transform: scale(1.01);
    filter:
        saturate(1)
        contrast(1);
}

.proof-copy {
    min-width: 0;
    padding: clamp(20px, 3vw, 32px);

    background: #f7fafc;
    border: 1px solid #dbe5ed;
    border-left: 5px solid #176b9e;
    border-radius: 16px;
}

.proof-copy h3 {
    margin: 10px 0 14px;
    color: #0c2743;
    font-size: clamp(1.55rem, 2.6vw, 2.15rem);
    line-height: 1.2;
}

.proof-copy p {
    margin-bottom: 18px;
    color: #40586f;
    line-height: 1.75;
}

.proof-label {
    display: inline-flex;
    max-width: 100%;
    padding: 6px 11px;

    color: #145d8f;
    background: #e3f1f9;
    border: 1px solid #bdd8e8;
    border-radius: 999px;

    font-size: 0.76rem;
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

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

.sales-checklist li {
    position: relative;
    margin: 10px 0;
    padding-left: 26px;
    line-height: 1.55;
}

.sales-checklist li::before {
    content: "✓";
    position: absolute;
    top: 0;
    left: 0;
    color: #16834d;
    font-weight: 900;
}

/* =========================================================
   ESTADÍSTICAS
   ========================================================= */

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.stats > div {
    min-width: 0;
    padding: 1.25rem 1rem;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 13px;
}

.stats strong {
    display: block;
    color: #0b4d78;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.stats span {
    display: block;
    color: var(--muted);
    line-height: 1.35;
}

/* =========================================================
   LISTAS
   ========================================================= */

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

.checklist li {
    position: relative;
    padding: 0.45rem 0 0.45rem 1.55rem;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 900;
}

/* =========================================================
   MENSAJES Y FORMULARIOS
   ========================================================= */

.flash,
.alert {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0.85rem 1rem;
    border-radius: 8px;
}

.success {
    color: #114c2b;
    background: #e1f5e8;
}

.error {
    color: #7c1717;
    background: #fde7e7;
}

.warning {
    color: #674200;
    background: #fff4d8;
}

.auth-wrap {
    display: grid;
    min-height: 72vh;
    padding: 3rem 1rem;
    place-items: center;
}

.auth-card {
    width: min(470px, 100%);
    padding: 1.6rem;

    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.07);
}

label {
    display: block;
    margin: 0.8rem 0;
    font-weight: 800;
}

input,
textarea,
select {
    display: block;
    width: 100%;
    margin-top: 0.3rem;
    padding: 0.78rem;

    color: var(--ink);
    background: #ffffff;
    border: 1px solid #9fb1c1;
    border-radius: 8px;

    font: inherit;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.check {
    font-weight: 500;
}

.check input {
    display: inline;
    width: auto;
    margin-right: 0.4rem;
}

/* =========================================================
   TABLAS
   ========================================================= */

.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

th,
td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #dbe3ea;
}

th {
    color: #123b5d;
    background: #e8f1f7;
}

/* =========================================================
   PRECIOS
   ========================================================= */

.price {
    color: #0b4d78;
    font-size: 2rem;
    font-weight: 900;
}

.plan {
    display: flex;
    flex-direction: column;
}

.plan .btn {
    margin-top: auto;
}

.disclaimer {
    color: var(--muted);
    font-size: 0.9rem;
}

/* =========================================================
   PANEL Y CURSO
   ========================================================= */

.dashboard-head,
.exam-top,
.course-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.status.active {
    color: #145c31;
    background: #dff4e6;
}

.course-shell {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    max-width: 1500px;
    margin: auto;
}

.course-sidebar {
    position: sticky;
    top: 68px;

    min-height: calc(100vh - 68px);
    height: calc(100vh - 68px);
    padding: 1.2rem;
    overflow: auto;

    color: #ffffff;
    background: #102a43;
}

.course-sidebar a {
    display: block;
    padding: 0.65rem;
    color: #ffffff;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.course-content {
    min-width: 0;
    padding: clamp(1rem, 3vw, 3rem);
    background: #ffffff;
}

.course-content img {
    max-width: 100%;
    height: auto;
}

.course-content .site-header,
.course-content footer,
.course-content .breadcrumbs {
    display: none !important;
}

.course-toolbar {
    margin: -1rem -1rem 1rem;
    padding: 0.65rem;
    color: #174c70;
    background: #e9f3fa;
}

/* =========================================================
   EXAMEN
   ========================================================= */

.question-card,
.review-card {
    margin: 1rem 0;
    padding: 1.4rem;

    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 16px;
}

.question-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.question-meta span {
    padding: 0.25rem 0.55rem;
    color: #174c70;
    background: #e9f3fa;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
}

.options {
    display: grid;
    gap: 0.65rem;
    margin: 1rem 0;
}

.option {
    display: flex;
    gap: 0.7rem;
    padding: 0.85rem;

    background: #f7fafc;
    border: 1px solid var(--line);
    border-radius: 10px;

    font-weight: 500;
}

.option input {
    width: auto;
    margin: 0.3rem 0 0;
}

.progress-bar {
    height: 8px;
    overflow: hidden;
    background: #dbe5ed;
    border-radius: 99px;
}

.progress-bar span {
    display: block;
    height: 100%;
    background: #1674aa;
}

/* =========================================================
   BLOQUE COMERCIAL
   ========================================================= */

.sales-section {
    padding: 55px 0;
}

.sales-box {
    position: relative;
    width: min(1100px, 100%);
    margin-inline: auto;
    padding: clamp(30px, 5vw, 58px);
    overflow: hidden;

    color: #ffffff;
    background:
        radial-gradient(
            circle at 85% 15%,
            rgba(58, 158, 219, 0.23),
            transparent 30%
        ),
        linear-gradient(
            135deg,
            #0a223a 0%,
            #0e4169 55%,
            #0b2945 100%
        );

    border-radius: 26px;
    box-shadow: 0 22px 48px rgba(7, 27, 48, 0.22);
}

.sales-kicker {
    display: inline-flex;
    padding: 6px 12px;

    color: #08304e;
    background: #9edaff;
    border-radius: 999px;

    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sales-box h2 {
    max-width: 900px;
    margin: 20px auto 15px;
    color: #ffffff;
    font-size: clamp(2rem, 4vw, 3.3rem);
    line-height: 1.08;
    text-align: center;
}

.sales-box > p {
    max-width: 900px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.08rem;
    line-height: 1.8;
    text-align: center;
}

.sales-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    max-width: 950px;
    margin: 34px auto 24px;
}

.sales-points > div {
    min-width: 0;
    padding: 22px 18px;
    text-align: center;

    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    backdrop-filter: blur(5px);
}

.sales-points strong {
    display: block;
    color: #ffffff;
    font-size: 1.45rem;
}

.sales-points span {
    display: block;
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.78);
}

.sales-highlight {
    display: flex;
    justify-content: center;
    gap: 9px;
    flex-wrap: wrap;
    margin: 24px 0;
}

.sales-highlight span {
    padding: 8px 12px;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 800;
    white-space: normal;
    text-align: center;
}

.sales-cta {
    padding: 15px 23px;
    color: #ffffff;
    background: #1682bc;
    border-color: #1682bc;
    font-size: 1.05rem;
}

.sales-cta:hover {
    background: #0d6e9f;
    border-color: #0d6e9f;
}

.sales-note {
    margin-top: 22px !important;
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 0.9rem !important;
}

.final-cta {
    width: min(900px, calc(100% - 40px));
    margin-inline: auto;
}

.final-cta h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    line-height: 1.2;
}

.final-cta p {
    max-width: 780px;
    margin: 0 auto 25px;
    color: #536b82;
    font-size: 1.08rem;
    line-height: 1.8;
}

/* =========================================================
   FOOTER
   ========================================================= */

.footer {
    padding: 2.5rem 0;
    color: #dce8f1;
    background: #0b1f33;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.footer a {
    display: block;
    margin: 0.3rem 0;
    color: #ffffff;
}

pre {
    max-width: 100%;
    padding: 1rem;
    overflow: auto;
    color: #e8f3fa;
    background: #0b1f33;
    border-radius: 8px;
}

/* =========================================================
   TABLETAS
   ========================================================= */

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
        gap: 30px;
    }

    .hero h1 {
        font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    }

    .proof-showcase,
    .proof-showcase.reverse {
        grid-template-columns: minmax(280px, 0.9fr) minmax(300px, 1.1fr);
    }

    .proof-image img {
        max-height: 350px;
    }
}

/* =========================================================
   TABLETAS VERTICALES Y MÓVILES GRANDES
   ========================================================= */

@media (max-width: 850px) {
    .container {
        width: min(calc(100% - 28px), 720px);
    }

    .narrow {
        width: min(calc(100% - 28px), 720px);
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 68px;
        right: 0;
        left: 0;

        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 0;

        padding: 1rem;
        background: #0b1f33;
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.2);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        padding: 0.8rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .hero-grid > div:first-child {
        text-align: center;
    }

    .hero-grid > div:first-child p,
    .hero-claim {
        margin-inline: auto;
    }

    .hero .actions,
    .trust-row {
        justify-content: center;
    }

    .hero-card {
        width: min(620px, 100%);
        margin-inline: auto;
    }

    .cards.two,
    .cards.three {
        grid-template-columns: 1fr;
    }

    .proof-showcase,
    .proof-showcase.reverse {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 18px;
    }

    .proof-showcase.reverse .proof-image,
    .proof-showcase.reverse .proof-copy {
        order: initial;
    }

    .proof-image {
        width: min(620px, 100%);
        margin-inline: auto;
    }

    .proof-image img {
        max-height: 380px;
    }

    .proof-copy {
        width: 100%;
    }

    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sales-points {
        grid-template-columns: 1fr;
    }

    .course-shell {
        grid-template-columns: 1fr;
    }

    .course-sidebar {
        position: static;
        min-height: 0;
        height: auto;
    }

    .dashboard-head,
    .exam-top {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   TELÉFONOS
   ========================================================= */

@media (max-width: 600px) {
    .container,
    .narrow {
        width: calc(100% - 22px);
    }

    .section {
        padding: 44px 0;
    }

    .hero {
        padding: 42px 0;
    }

    .hero h1 {
        font-size: clamp(2rem, 11vw, 3rem);
        line-height: 1.06;
    }

    .hero-claim {
        font-size: 1.35rem;
    }

    .hero-card {
        padding: 20px 17px;
        border-radius: 16px;
    }

    .actions {
        align-items: stretch;
        flex-direction: column;
        width: 100%;
    }

    .actions .btn {
        width: 100%;
        min-height: 48px;
    }

    .trust-row {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

    .trust-row span {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 0;
        white-space: normal;
        text-align: center;
    }

    .section-heading h2 {
        font-size: 1.85rem;
    }

    .proof-showcase {
        margin-bottom: 26px;
        padding: 12px;
        border-radius: 16px;
        box-shadow:
            0 10px 26px rgba(8, 32, 55, 0.08),
            inset 0 0 0 3px #f5f9fc;
    }

    .proof-image {
        padding: 9px;
        border-radius: 12px;
    }

    .proof-image::before {
        display: none;
    }

    .proof-image img {
        max-height: 280px;
        margin-top: 0;
        border-radius: 7px;
    }

    .proof-copy {
        padding: 19px 16px;
        border-left-width: 4px;
        border-radius: 12px;
    }

    .proof-copy h3 {
        font-size: 1.48rem;
    }

    .proof-copy p,
    .sales-checklist li {
        font-size: 0.96rem;
    }

    .proof-label {
        font-size: 0.69rem;
    }

    .stats {
        grid-template-columns: 1fr 1fr;
        gap: 11px;
    }

    .stats > div {
        padding: 18px 10px;
    }

    .stats strong {
        font-size: 1.75rem;
    }

    .stats span {
        font-size: 0.85rem;
    }

    .sales-box {
        padding: 28px 17px;
        border-radius: 17px;
    }

    .sales-box h2 {
        font-size: 1.85rem;
    }

    .sales-highlight {
        display: grid;
        grid-template-columns: 1fr;
    }

    .final-cta {
        width: calc(100% - 22px);
    }

    .auth-wrap {
        padding: 2rem 0.75rem;
    }

    .auth-card {
        padding: 1.25rem;
    }

    th,
    td {
        padding: 0.65rem;
        font-size: 0.92rem;
    }
}

/* =========================================================
   TELÉFONOS PEQUEÑOS
   ========================================================= */

@media (max-width: 380px) {
    .container,
    .narrow {
        width: calc(100% - 16px);
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .trust-row,
    .stats {
        grid-template-columns: 1fr;
    }

    .proof-image img {
        max-height: 235px;
    }

    .proof-copy {
        padding: 16px 13px;
    }

    .proof-copy h3 {
        font-size: 1.35rem;
    }

    .brand {
        font-size: 1rem;
    }
}

/* =========================================================
   IMPRESIÓN
   ========================================================= */

@media print {
    .topbar,
    .footer,
    .course-sidebar,
    .course-toolbar {
        display: none !important;
    }

    .course-shell {
        display: block;
    }

    .course-content {
        padding: 0;
    }
}