/* ==========================================================
   JB Enterprise Group - ISTQB Hub
   /istqb/assets/css/istqb.css
   ========================================================== */

:root {
    --istqb-wine: #6d1031;
    --istqb-wine-dark: #41112f;
    --istqb-red: #c41e33;
    --istqb-red-dark: #971734;
    --istqb-black: #222221;
    --istqb-gray: #f2f1f2;
    --istqb-border: #e5e5e5;
    --istqb-white: #ffffff;
    --istqb-text-light: #666666;
    --istqb-shadow: 0 8px 28px rgba(34, 34, 33, 0.08);
    --istqb-radius: 14px;
}


/* ==========================================================
   CONTENEDOR GENERAL
   ========================================================== */

#istqb {
    width: 100%;
    overflow: hidden;
    color: var(--istqb-black);
    background: var(--istqb-white);
}

#istqb .container {
    position: relative;
    z-index: 1;
}

#istqb section {
    position: relative;
}


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

.istqb-hero {
    position: relative;
    padding: 80px 20px 90px;
    background:
        linear-gradient(
            135deg,
            var(--istqb-wine-dark) 0%,
            var(--istqb-wine) 58%,
            var(--istqb-red-dark) 100%
        );
    color: var(--istqb-white);
}

.istqb-hero::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -180px;
    top: -220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.istqb-hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.istqb-hero-eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    padding: 7px 15px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.istqb-hero h1 {
    margin: 0 auto 22px;
    max-width: 850px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.12;
    font-weight: 700;
}

.istqb-hero p {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.08rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.92);
}


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

.istqb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 11px 22px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}

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

.istqb-btn-primary {
    background: var(--istqb-red);
    color: var(--istqb-white);
}

.istqb-btn-primary:hover {
    background: var(--istqb-red-dark);
    color: var(--istqb-white);
}

.istqb-btn-light {
    background: var(--istqb-white);
    color: var(--istqb-wine);
}

.istqb-btn-light:hover {
    background: var(--istqb-gray);
    color: var(--istqb-wine-dark);
}

.istqb-btn-outline {
    background: transparent;
    border-color: var(--istqb-wine);
    color: var(--istqb-wine);
}

.istqb-btn-outline:hover {
    background: var(--istqb-wine);
    color: var(--istqb-white);
}


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

.istqb-section {
    padding: 75px 20px;
}

.istqb-section-gray {
    background: var(--istqb-gray);
}

.istqb-section-header {
    max-width: 800px;
    margin: 0 auto 45px;
    text-align: center;
}

.istqb-section-label {
    display: block;
    margin-bottom: 10px;
    color: var(--istqb-red);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.istqb-section-header h2 {
    margin: 0 0 15px;
    color: var(--istqb-wine-dark);
    font-size: clamp(1.75rem, 3vw, 2.45rem);
    line-height: 1.2;
    font-weight: 700;
}

.istqb-section-header p {
    margin: 0;
    color: var(--istqb-text-light);
    font-size: 1rem;
    line-height: 1.7;
}


/* ==========================================================
   INTRODUCCIÓN
   ========================================================== */

.istqb-intro {
    max-width: 900px;
    margin: 0 auto;
}

.istqb-intro p {
    margin-bottom: 18px;
    color: #444444;
    font-size: 1.02rem;
    line-height: 1.8;
}

.istqb-intro p:last-child {
    margin-bottom: 0;
}


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

.istqb-card {
    height: 100%;
    padding: 28px;
    background: var(--istqb-white);
    border: 1px solid var(--istqb-border);
    border-radius: var(--istqb-radius);
    box-shadow: var(--istqb-shadow);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.istqb-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(34, 34, 33, 0.11);
}

.istqb-card h3 {
    margin: 0 0 12px;
    color: var(--istqb-wine-dark);
    font-size: 1.25rem;
    line-height: 1.35;
}

.istqb-card p {
    margin: 0;
    color: var(--istqb-text-light);
    line-height: 1.7;
}


/* ==========================================================
   ICONOS
   ========================================================== */

.istqb-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: 20px;
    border-radius: 12px;
    background: rgba(109, 16, 49, 0.08);
    color: var(--istqb-wine);
    font-size: 1.3rem;
    font-weight: 700;
}


/* ==========================================================
   CERTIFICACIONES
   ========================================================== */

.istqb-certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.istqb-certification-card {
    height: 100%;
    padding: 28px;
    background: var(--istqb-white);
    border: 1px solid var(--istqb-border);
    border-radius: var(--istqb-radius);
    transition:
        border-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.istqb-certification-card:hover {
    border-color: rgba(109, 16, 49, 0.25);
    transform: translateY(-3px);
    box-shadow: var(--istqb-shadow);
}

.istqb-certification-card h3 {
    margin: 0 0 12px;
    color: var(--istqb-wine-dark);
    font-size: 1.2rem;
}

.istqb-certification-card p {
    margin: 0;
    color: var(--istqb-text-light);
    line-height: 1.65;
}

.istqb-certification-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    color: var(--istqb-red-dark);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
}

.istqb-certification-link:hover {
    color: var(--istqb-wine-dark);
}


/* ==========================================================
   FOUNDATION DESTACADO
   ========================================================== */

.istqb-feature {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    gap: 45px;
    align-items: center;
}

.istqb-feature-content h2 {
    margin: 0 0 18px;
    color: var(--istqb-wine-dark);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1.2;
}

.istqb-feature-content p {
    margin: 0 0 18px;
    color: #4f4f4f;
    line-height: 1.8;
}

.istqb-feature-list {
    margin: 25px 0 30px;
    padding: 0;
    list-style: none;
}

.istqb-feature-list li {
    position: relative;
    margin-bottom: 12px;
    padding-left: 28px;
    color: #444444;
    line-height: 1.6;
}

.istqb-feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--istqb-red);
    font-weight: 700;
}

.istqb-feature-box {
    padding: 35px;
    background: var(--istqb-gray);
    border: 1px solid var(--istqb-border);
    border-radius: var(--istqb-radius);
}

.istqb-feature-box-label {
    margin-bottom: 10px;
    color: var(--istqb-red);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

.istqb-feature-box h3 {
    margin: 0 0 12px;
    color: var(--istqb-wine-dark);
    font-size: 1.5rem;
}

.istqb-feature-box p {
    margin: 0 0 20px;
    color: var(--istqb-text-light);
    line-height: 1.65;
}


/* ==========================================================
   CURSOS JB
   ========================================================== */

.istqb-courses-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.istqb-course-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 28px;
    background: var(--istqb-white);
    border: 1px solid var(--istqb-border);
    border-radius: var(--istqb-radius);
    box-shadow: 0 5px 20px rgba(34, 34, 33, 0.05);
}

.istqb-course-card h3 {
    margin: 0 0 12px;
    color: var(--istqb-wine-dark);
    font-size: 1.18rem;
    line-height: 1.4;
}

.istqb-course-card p {
    margin: 0;
    color: var(--istqb-text-light);
    line-height: 1.65;
}

.istqb-course-card .istqb-course-link {
    margin-top: auto;
    padding-top: 22px;
}

.istqb-course-link a {
    color: var(--istqb-red-dark);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
}

.istqb-course-link a:hover {
    color: var(--istqb-wine-dark);
}


/* ==========================================================
   LATINOAMÉRICA
   ========================================================== */

.istqb-latam {
    padding: 65px 20px;
    background: var(--istqb-wine-dark);
    color: var(--istqb-white);
}

.istqb-latam-content {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

.istqb-latam h2 {
    margin: 0 0 18px;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1.2;
}

.istqb-latam p {
    margin: 0 auto 25px;
    max-width: 720px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.75;
}


/* ==========================================================
   FAQ
   ========================================================== */

.istqb-faq {
    max-width: 900px;
    margin: 0 auto;
}

.istqb-faq-item {
    margin-bottom: 14px;
    border: 1px solid var(--istqb-border);
    border-radius: 10px;
    background: var(--istqb-white);
    overflow: hidden;
}

.istqb-faq-question {
    width: 100%;
    padding: 20px 22px;
    border: 0;
    background: var(--istqb-white);
    color: var(--istqb-wine-dark);
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    cursor: pointer;
}

.istqb-faq-question:hover {
    background: var(--istqb-gray);
}

.istqb-faq-answer {
    padding: 0 22px 20px;
    color: var(--istqb-text-light);
    line-height: 1.7;
}


/* ==========================================================
   CTA FINAL
   ========================================================== */

.istqb-cta {
    padding: 70px 20px;
    background: var(--istqb-gray);
    text-align: center;
}

.istqb-cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.istqb-cta h2 {
    margin: 0 0 15px;
    color: var(--istqb-wine-dark);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    line-height: 1.25;
}

.istqb-cta p {
    margin: 0 auto 25px;
    max-width: 700px;
    color: var(--istqb-text-light);
    line-height: 1.7;
}


/* ==========================================================
   ENLACES DE NAVEGACIÓN
   ========================================================== */

.istqb-link {
    color: var(--istqb-red-dark);
    font-weight: 600;
    text-decoration: none;
}

.istqb-link:hover {
    color: var(--istqb-wine-dark);
    text-decoration: underline;
}


/* ==========================================================
   RESPONSIVE
   ========================================================== */

@media (max-width: 991.98px) {
    .istqb-hero {
        padding: 65px 20px 75px;
    }

    .istqb-section {
        padding: 60px 20px;
    }

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

    .istqb-feature {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 767.98px) {
    .istqb-hero {
        padding: 50px 18px 60px;
    }

    .istqb-hero h1 {
        font-size: 2rem;
    }

    .istqb-hero p {
        font-size: 1rem;
        line-height: 1.65;
    }

    .istqb-section {
        padding: 50px 18px;
    }

    .istqb-section-header {
        margin-bottom: 32px;
    }

    .istqb-certifications-grid,
    .istqb-courses-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .istqb-card,
    .istqb-certification-card,
    .istqb-course-card {
        padding: 23px;
    }

    .istqb-feature-box {
        padding: 27px;
    }

    .istqb-latam {
        padding: 50px 18px;
    }

    .istqb-cta {
        padding: 55px 18px;
    }

    .istqb-btn {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .istqb-hero-eyebrow {
        font-size: 0.74rem;
    }

    .istqb-hero h1 {
        font-size: 1.75rem;
    }

    .istqb-section-header h2,
    .istqb-feature-content h2 {
        font-size: 1.7rem;
    }

    .istqb-faq-question {
        padding: 17px 18px;
        font-size: 0.95rem;
    }

    .istqb-faq-answer {
        padding: 0 18px 18px;
    }
}


/* ==========================================================
   ACCESIBILIDAD
   ========================================================== */

.istqb-btn:focus-visible,
.istqb-link:focus-visible,
.istqb-certification-link:focus-visible,
.istqb-course-link a:focus-visible,
.istqb-faq-question:focus-visible {
    outline: 3px solid rgba(196, 30, 51, 0.3);
    outline-offset: 3px;
}


/* ==========================================================
   REDUCCIÓN DE MOVIMIENTO
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
    .istqb-card,
    .istqb-certification-card,
    .istqb-btn {
        transition: none;
    }

    .istqb-card:hover,
    .istqb-certification-card:hover,
    .istqb-btn:hover {
        transform: none;
    }
}