:root {
    --navy: #0f2044;
    --navy-2: #152a55;
    --navy-3: #1e3a6d;
    --blue: #3b6bd6;
    --blue-light: #e7edfb;
    --green: #22b573;
    --green-dark: #1a9a61;
    --bg: #f4f5f8;
    --card: #ffffff;
    --text: #0f2044;
    --text-soft: #4a5a78;
    --muted: #7a8699;
    --border: #e5e9f0;
    --shadow: 0 8px 24px rgba(15, 32, 68, .06);
    --shadow-hover: 0 14px 34px rgba(15, 32, 68, .12);
    --radius: 16px;
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    padding: 0
}

body {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--blue);
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

/* ============ HERO ============ */
.hero {
    position: relative;
    background: #0f2044;
    padding: 0;
    display: flex;
    justify-content: center;
    padding-bottom: 80px;
    margin-top: 80px;
}

.hero img.banner {
    display: block;
    width: 100%;
    /*max-width: 1400px;*/
    height: auto;
    object-fit: cover;
}
.hero::after {
    background: none;
}

/* ============ INFO STRIP ============ */
.info-strip-wrap {
    max-width: 1200px;
    margin: -50px auto 0;
    padding: 0 24px;
    position: relative;
    z-index: 3;
}

.info-strip {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px 28px;
    display: grid;
    grid-template-columns: repeat(3, 1fr) auto;
    gap: 24px;
    align-items: center;
}

.info-item {
    display: flex;
    gap: 14px;
    align-items: center
}

.info-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    background: var(--blue-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
}

.info-icon svg {
    width: 22px;
    height: 22px
}

.info-label {
    font-size: 13px;
    color: var(--muted);
    margin: 0 0 2px
}

.info-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin: 0
}

.btn-cta {
    background: var(--green);
    color: #fff;
    border: 0;
    padding: 14px 26px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: .2s;
}

.btn-cta:hover {
    background: var(--green-dark);
    text-decoration: none;
    color: #fff
}

.btn-cta svg {
    width: 16px;
    height: 16px
}

/* ============ MAIN LAYOUT ============ */
.container {
    max-width: 1200px;
    margin: 40px auto 60px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 36px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 28px;
}

.tab {
    padding: 14px 4px;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    transition: .2s;
}

.tab.active {
    color: var(--blue);
    border-color: var(--blue)
}

.tab:not(.active):hover {
    color: var(--text)
}

/* Section headings */
.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    margin: 36px 0 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.section-title .icon-badge {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #3b6bd6, #22b573);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.section-title .icon-badge svg {
    width: 20px;
    height: 20px
}

.prose p {
    color: var(--text-soft);
    margin: 0 0 16px;
    font-size: 15.5px
}

.prose strong {
    color: var(--text)
}

.callout {
    background: #eef7f1;
    border-left: 4px solid var(--green);
    padding: 16px 20px;
    border-radius: 8px;
    font-weight: 600;
    color: var(--text);
    margin: 20px 0;
}

/* ============ COURSES SECTION (ancho completo, sin aside) ============ */
.courses-section {
    max-width: 1200px;
    margin: 8px auto 60px;
    padding: 0 24px;
}

.courses-intro {
    margin: 20px 0 28px;
    color: var(--text-soft);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: 24px;
}

.course-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: .25s;
    border: 1px solid var(--border);
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.course-banner {
    display: block;
    position: relative;
    aspect-ratio: 789 / 303;
    background: #0f2044;
    overflow: hidden;
}

.course-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: .4s;
}

.course-card:hover .course-banner img {
    transform: scale(1.03)
}

.course-banner .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, .35) 100%);
    opacity: 0;
    transition: .25s;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 16px;
}

.course-card:hover .course-banner .overlay {
    opacity: 1
}

.course-banner .overlay span {
    background: rgba(255, 255, 255, .95);
    color: var(--navy);
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.course-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-num {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: var(--blue);
    text-transform: uppercase;
    margin: 0 0 6px;
}

.course-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 19px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 14px;
    min-height: 74px;
}

.course-dates {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border);
}

.course-dates svg {
    width: 16px;
    height: 16px;
    color: var(--blue);
    flex: 0 0 16px
}

.course-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.link-program {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--blue);
    font-weight: 600;
    font-size: 14px;
}

.link-program svg {
    width: 16px;
    height: 16px
}

.link-program:hover {
    color: var(--navy)
}

.btn-register {
    background: var(--navy);
    color: #fff;
    padding: 12px 18px;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: .2s;
}

.btn-register:hover {
    background: var(--green);
    color: #fff;
    text-decoration: none;
}

.btn-register svg {
    width: 14px;
    height: 14px
}

/* ============ SIDEBAR ============ */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 22px
}

.side-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    display: block;
}

.side-card.dark {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}

.side-card h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 22px;
    margin: 0 0 14px;
}

.side-card.dark h3 {
    color: #fff
}

.price {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 34px;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.price small {
    font-size: 14px;
    color: #c7d0e2;
    font-weight: 400;
    margin-left: 6px
}

.side-card.dark .disclaimer {
    color: #a9b4cc;
    font-size: 13px;
    margin: 8px 0 18px
}

.side-features {
    list-style: none;
    padding: 0;
    margin: 8px 0 0
}

.side-features li {
    padding: 8px 0;
    color: #dfe6f2;
    font-size: 14.5px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.side-features li svg {
    width: 18px;
    height: 18px;
    color: var(--green);
    flex: 0 0 18px;
    margin-top: 2px
}

.contact-card p {
    margin: 6px 0;
    font-size: 14.5px;
    color: var(--text-soft)
}

.contact-card p strong {
    color: var(--text)
}

/* ============ RESPONSIVE ============ */
@media (max-width:960px) {
    .info-strip {
        grid-template-columns: 1fr 1fr;
        gap: 18px
    }

    .info-strip .btn-cta {
        grid-column: 1/-1;
        justify-content: center
    }

    .container {
        grid-template-columns: 1fr
    }

    .sidebar {
        order: 2
    }
}

@media (max-width:640px) {
    .hero {
        padding: 40px 0 90px;
        min-height: 280px
    }

    .info-strip {
        grid-template-columns: 1fr
    }

    .courses-grid {
        grid-template-columns: 1fr
    }

    .tabs {
        gap: 18px;
        overflow-x: auto
    }

    .course-title {
        min-height: auto
    }
}