:root {
    --edn-blue: #2d2c91;
    --edn-blue-dark: #19175f;
    --edn-cyan: #39bfd3;
    --edn-green: #75b843;
    --edn-lime: #d7df27;
    --edn-yellow: #fff200;
    --edn-ink: #171735;
    --edn-muted: #667085;
    --edn-border: #dfe7f3;
    --edn-shadow: 0 22px 70px rgba(25, 23, 95, .12);
}

body {
    color: var(--edn-ink);
    background:
        radial-gradient(circle at 10% 10%, rgba(57, 191, 211, .12), transparent 26%),
        radial-gradient(circle at 90% 12%, rgba(215, 223, 39, .16), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f7f9ff 55%, #f4f7fb 100%) !important;
}

body,
button,
input,
textarea,
select {
    letter-spacing: 0;
}

.edn-brand-line {
    height: 7px;
    background: linear-gradient(90deg, var(--edn-green), var(--edn-lime), var(--edn-yellow), var(--edn-cyan));
}

.edn-topbar-clean {
    height: 72px;
    padding: 0 32px;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid rgba(45, 44, 145, .10);
    box-shadow: 0 8px 24px rgba(25, 23, 95, .05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.edn-header-brand {
    display: flex;
    align-items: center;
    min-width: 0;
    text-decoration: none;
}

.edn-header-logo {
    display: block !important;
    width: 72px !important;
    height: 72px !important;
    max-width: 72px !important;
    max-height: 72px !important;
    object-fit: contain !important;
}

.edn-fallback-brand {
    display: none;
    line-height: 1.1;
}

.edn-fallback-brand strong {
    display: block;
    color: var(--edn-blue);
    font-size: 17px;
    font-weight: 900;
}

.edn-fallback-brand span {
    display: block;
    color: var(--edn-muted);
    font-size: 12px;
}

.edn-nav-clean {
    display: flex;
    align-items: center;
    gap: 18px;
}

.edn-nav-clean a {
    color: var(--edn-blue);
    font-weight: 750;
    font-size: 14px;
    text-decoration: none;
}

.edn-nav-clean a:hover {
    text-decoration: underline;
}

.edn-container {
    margin-top: 54px !important;
}

.edn-login-screen {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) 460px;
    gap: 64px;
    align-items: center;
    max-width: 1120px;
    margin: 0 auto;
    min-height: calc(100vh - 230px);
}

.edn-login-copy h1 {
    color: var(--edn-ink);
    font-size: clamp(42px, 5vw, 68px);
    line-height: 1.02;
    letter-spacing: 0;
    max-width: 720px;
}

.eyebrow {
    color: var(--edn-blue) !important;
    font-weight: 950 !important;
    letter-spacing: .20em !important;
}

.lead {
    color: #5d667c !important;
    font-size: 19px !important;
    line-height: 1.65 !important;
}

.edn-course-card {
    max-width: 640px;
    background: transparent;
    border: 0;
    box-shadow: none;
    margin: 20px 0 22px;
    padding: 0;
}

.edn-course-card span {
    color: var(--edn-muted);
    font-size: 15px;
}

.edn-course-card strong {
    color: var(--edn-ink);
    font-size: 16px;
    font-weight: 950;
}

.edn-course-card p {
    color: var(--edn-ink);
}

.value-list {
    max-width: 560px;
}

.value-list div {
    background: rgba(255,255,255,.74);
    border: 1px solid rgba(45, 44, 145, .12);
    border-radius: 18px;
    box-shadow: 0 12px 28px rgba(25, 23, 95, .04);
    color: var(--edn-ink);
    font-weight: 850;
}

.demo-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 620px;
    margin: 24px 0;
}

.demo-metrics div,
.demo-access,
.next-step-band,
.demo-note {
    background: rgba(255,255,255,.86);
    border: 1px solid rgba(45, 44, 145, .12);
    border-radius: 8px;
    box-shadow: 0 12px 28px rgba(25, 23, 95, .05);
}

.demo-metrics div {
    padding: 16px;
}

.demo-metrics strong {
    display: block;
    color: var(--edn-blue);
    font-size: 24px;
    line-height: 1;
}

.demo-metrics span {
    display: block;
    color: var(--edn-muted);
    font-size: 13px;
    font-weight: 800;
    margin-top: 8px;
}

.edn-auth-card {
    border-radius: 28px !important;
    border: 1px solid rgba(45, 44, 145, .14) !important;
    box-shadow: var(--edn-shadow) !important;
    overflow: hidden;
}

.edn-auth-card::before {
    content: "";
    display: block;
    height: 7px;
    margin: -28px -28px 20px;
    background: linear-gradient(90deg, var(--edn-green), var(--edn-lime), var(--edn-yellow));
}

.edn-auth-logo-wrap {
    height: 116px !important;
    margin: 0 0 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
}

.edn-auth-logo-wrap img {
    display: block !important;
    width: 112px !important;
    height: 112px !important;
    max-width: 112px !important;
    max-height: 112px !important;
    object-fit: contain !important;
}

.edn-auth-card h2 {
    color: var(--edn-ink) !important;
    font-size: 24px;
}

.demo-access {
    display: grid;
    gap: 3px;
    margin-top: 14px;
    padding: 12px 14px;
}

.demo-access strong {
    color: var(--edn-blue);
    font-size: 13px;
}

.demo-access span {
    color: var(--edn-muted);
    font-size: 13px;
}

label {
    color: var(--edn-ink) !important;
}

input,
textarea,
select {
    border-color: rgba(45, 44, 145, .16) !important;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--edn-blue) !important;
    box-shadow: 0 0 0 4px rgba(45, 44, 145, .10) !important;
}

.btn.primary {
    background: #465be8 !important;
}

.btn.primary:hover {
    background: var(--edn-blue) !important;
}

.btn.secondary {
    background: rgba(45, 44, 145, .08) !important;
    color: var(--edn-blue) !important;
}

.badge {
    background: rgba(57, 191, 211, .12) !important;
    color: var(--edn-blue) !important;
}

.card,
.exercise-card,
.progress-card,
.feature,
.kpi-card {
    border-color: rgba(45, 44, 145, .12) !important;
    box-shadow: var(--edn-shadow) !important;
}

.progress-card strong,
.kpi-card strong,
.module-heading h2,
.exercise-card h3,
.main-exercise h1,
.ai-panel h2 {
    color: var(--edn-blue) !important;
}

.progress-bar div {
    background: linear-gradient(90deg, var(--edn-blue), var(--edn-cyan), var(--edn-green)) !important;
}

.edn-footer {
    border-top: 1px solid rgba(45, 44, 145, .10) !important;
    background: rgba(255,255,255,.82) !important;
}

.edn-footer-logo {
    display: block !important;
    width: 72px !important;
    height: 72px !important;
    max-width: 72px !important;
    max-height: 72px !important;
    object-fit: contain !important;
    margin: 0 auto 10px !important;
}

@media (max-width: 900px) {
    .edn-topbar-clean {
        height: auto;
        min-height: 68px;
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .edn-header-logo {
        max-width: 190px !important;
        max-height: 44px !important;
    }

    .edn-nav-clean {
        gap: 14px;
        flex-wrap: wrap;
    }

    .edn-login-screen {
        grid-template-columns: 1fr;
        gap: 28px;
        min-height: auto;
    }

    .edn-login-copy h1 {
        font-size: 42px;
    }
}

/* === Logo principal Excelia === */

.edn-header-logo {
    display: block !important;
    width: 72px !important;
    max-width: 72px !important;
    height: 72px !important;
    max-height: 72px !important;
    object-fit: contain !important;
}

.edn-auth-logo-wrap {
    height: 116px !important;
    margin: 0 0 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
}

.edn-auth-logo-wrap img {
    display: block !important;
    width: 112px !important;
    max-width: 112px !important;
    height: 112px !important;
    max-height: 112px !important;
    object-fit: contain !important;
}

.edn-footer-logo {
    display: block !important;
    width: 72px !important;
    max-width: 72px !important;
    height: 72px !important;
    max-height: 72px !important;
    object-fit: contain !important;
    margin: 0 auto 10px !important;
}

@media (max-width: 900px) {
    .edn-header-logo {
        width: 64px !important;
        max-width: 64px !important;
        height: 64px !important;
        max-height: 64px !important;
    }

    .edn-auth-logo-wrap img {
        width: 100px !important;
        max-width: 100px !important;
        height: 100px !important;
        max-height: 100px !important;
    }
}

/* === Excel Básico + IA === */

.course-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin: 30px 0 38px;
}

.course-meta-grid article {
    background: #fff;
    border: 1px solid rgba(45, 44, 145, .12);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--edn-shadow);
}

.course-meta-grid span {
    color: var(--edn-muted);
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .12em;
}

.course-meta-grid strong {
    display: block;
    color: var(--edn-blue);
    font-size: 24px;
    margin: 8px 0;
}

.course-meta-grid p {
    color: var(--edn-muted);
    margin: 0;
}

.comparison-section {
    background: #fff;
    border: 1px solid rgba(45, 44, 145, .12);
    border-radius: 30px;
    padding: 32px;
    box-shadow: var(--edn-shadow);
    margin: 38px 0;
}

.comparison-title {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 24px;
}

.comparison-title h2 {
    color: var(--edn-blue);
    font-size: 34px;
    margin: 0;
}

.comparison-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid rgba(45, 44, 145, .10);
    border-radius: 22px;
    overflow: hidden;
}

.comparison-table div {
    padding: 16px;
    border-bottom: 1px solid rgba(45, 44, 145, .10);
    border-right: 1px solid rgba(45, 44, 145, .10);
    background: #fff;
    color: var(--edn-ink);
}

.comparison-table div:nth-child(3n) {
    border-right: 0;
}

.comparison-head {
    background: linear-gradient(135deg, rgba(45,44,145,.96), rgba(57,191,211,.86)) !important;
    color: white !important;
    font-weight: 900;
}

.results-section {
    background: #fff;
    border: 1px solid rgba(45, 44, 145, .12);
    border-radius: 30px;
    padding: 34px;
    box-shadow: var(--edn-shadow);
    margin: 38px 0;
}

.results-section h2 {
    color: var(--edn-blue);
    font-size: 34px;
    margin-top: 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.results-grid div {
    background: #f8fbff;
    border: 1px solid rgba(45, 44, 145, .10);
    border-left: 5px solid var(--edn-green);
    border-radius: 18px;
    padding: 16px;
    color: var(--edn-ink);
    font-weight: 850;
}

.next-step-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 20px;
    margin: 0 0 30px;
}

.next-step-band div {
    display: grid;
    gap: 4px;
}

.next-step-band strong,
.demo-note strong {
    color: var(--edn-blue);
}

.next-step-band span,
.demo-note span {
    color: var(--edn-muted);
}

.demo-note {
    display: grid;
    gap: 4px;
    padding: 14px 16px;
    margin: 0 0 22px;
}

.theory-section {
    margin: 28px 0;
    padding: 22px;
    background: #fff;
    border: 1px solid rgba(45, 44, 145, .12);
    border-radius: 8px;
    box-shadow: 0 14px 34px rgba(25, 23, 95, .06);
}

.section-title-row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.section-title-row h3 {
    margin: 4px 0 0;
    color: var(--edn-blue);
}

.section-title-row span {
    color: var(--edn-muted);
    font-weight: 800;
    font-size: 13px;
}

.theory-grid {
    display: grid;
    gap: 12px;
}

.theory-grid article,
.theory-overview,
.theory-overview-grid article {
    background: #f8fbff;
    border: 1px solid rgba(45, 44, 145, .10);
    border-radius: 8px;
}

.theory-grid article {
    padding: 16px;
}

.theory-grid strong,
.theory-overview-grid strong {
    display: block;
    color: var(--edn-blue);
    margin-bottom: 6px;
}

.theory-grid p,
.theory-overview p,
.theory-overview-grid span {
    color: var(--edn-muted);
}

.theory-overview {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 26px;
    align-items: start;
    padding: 30px;
    margin: 34px 0;
    background: #fff;
    box-shadow: var(--edn-shadow);
}

.theory-overview h2 {
    color: var(--edn-blue);
    font-size: 34px;
    margin: 0 0 12px;
}

.theory-overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.theory-overview-grid article {
    padding: 16px;
}

@media (max-width: 1000px) {
    .course-meta-grid,
    .results-grid,
    .theory-overview {
        grid-template-columns: 1fr 1fr;
    }

    .comparison-table {
        grid-template-columns: 1fr;
    }

    .comparison-table div {
        border-right: 0;
    }
}

@media (max-width: 640px) {
    .course-meta-grid,
    .results-grid,
    .demo-metrics,
    .next-step-band,
    .theory-overview,
    .theory-overview-grid,
    .section-title-row {
        grid-template-columns: 1fr;
        display: grid;
    }
}