/* ══════════ SECTIONS — Homepage ══════════ */

/* ── NextLevel Full-Bleed Hero ── */
.nl-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    padding: calc(var(--navbar-height) + var(--space-3xl)) var(--space-xl) var(--space-2xl);
}

.nl-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.nl-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
}

.nl-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.55) 0%,
            rgba(0, 0, 0, 0.65) 50%,
            rgba(0, 0, 0, 0.85) 100%);
}

.nl-hero__content {
    position: relative;
    z-index: 2;
    max-width: 960px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.nl-hero__badge {
    display: inline-block;
    padding: 0.5em 1.5em;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-pill);
    color: #fff;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.nl-hero__title {
    font-size: clamp(2.2rem, 8vw, 6.5rem);
    font-weight: var(--fw-extrabold);
    color: #fff;
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    white-space: nowrap;
}

.nl-hero__title-pre {
    display: block;
    font-size: clamp(1.8rem, 5vw, 4rem);
    /* Larger "Diplomado" */
    font-weight: var(--fw-semibold);
    letter-spacing: 0.25em;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-xs);
}

.nl-hero__title-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nl-hero__subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    /* Larger paragraph */
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--lh-relaxed);
    max-width: 960px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.nl-hero__subtitle strong {
    color: #fff;
    font-weight: var(--fw-bold);
}

.nl-hero__actions {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-top: var(--space-sm);
}

.nl-hero__scroll-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nl-hero__scroll-link:hover {
    color: #fff;
}

/* Stats bar at the bottom */
.nl-hero__stats {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    margin-top: auto;
    padding: var(--space-xl) var(--space-xl) var(--space-2xl);
}

.nl-hero__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.nl-hero__stat-number {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
    color: var(--color-primary-light);
    line-height: 1;
}

.nl-hero__stat-label {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.65);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: var(--fw-semibold);
}

.nl-hero__stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
}


/* ── Trust Bar — Certifications ── */
.trust-bar {
    background: var(--color-dark);
    border-top: 3px solid var(--color-primary);
    padding: var(--space-2xl) 0;
}

.trust-bar__inner {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.trust-bar__hero {
    flex-shrink: 0;
}

.trust-bar__cert-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.trust-bar__text {
    flex: 1;
    min-width: 0;
}

.trust-bar__title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: #fff;
    margin-bottom: var(--space-xs);
}

.trust-bar__desc {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.6);
    line-height: var(--lh-relaxed);
}

.trust-bar__logos {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-shrink: 0;
}

.trust-bar__logo {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.trust-bar__logo:hover {
    background: rgba(255, 255, 255, 0.14);
}

.trust-bar__logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.trust-bar__logo:hover img {
    opacity: 1;
}

@media (max-width: 992px) {
    .trust-bar__inner {
        flex-direction: column;
        text-align: center;
    }

    .trust-bar__logos {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* ── Section Header (reusable) ── */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header__label {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.section-header__title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-medium);
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1;
    letter-spacing: -0.02em;
}

.section-header__subtitle {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto;
    line-height: var(--lh-relaxed);
}

/* ── Features Section — Premium Layout ── */
.features {
    padding: var(--space-5xl) 0;
    background: linear-gradient(180deg, #FDFBF7 0%, #F5F3EB 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(207, 157, 69, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.features__split {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
    width: 100%;
}

.features__content {
    text-align: left;
}

.features__title {
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: var(--fw-medium);
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.features__desc {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-sm);
    max-width: 700px;
}

.features__question {
    font-size: var(--fs-md);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.features__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.feature-item {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    background: #fff;
    border-color: rgba(207, 157, 69, 0.3);
    box-shadow: 0 12px 40px rgba(207, 157, 69, 0.1), 0 4px 20px rgba(0, 0, 0, 0.06);
}

.feature-item:hover::before {
    opacity: 1;
}

.feature-item__number {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.feature-item:hover .feature-item__number {
    opacity: 1;
}

.feature-item__title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    font-style: italic;
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: var(--lh-tight);
    transition: color 0.3s ease;
}

.feature-item:hover .feature-item__title {
    color: var(--color-primary-light);
}

.feature-item__text {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
}

.feature-item__text strong {
    color: var(--text-primary);
    font-weight: var(--fw-bold);
}

.features__visual {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.features__visual img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
    aspect-ratio: 3 / 4;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.features__visual img:hover {
    transform: scale(1.03);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

/* ── Versions Section ── */
.versions {
    padding: var(--space-5xl) 0;
    background: linear-gradient(180deg, #F5F3EB 0%, #EDE9DD 100%);
}

.versions .section-header {
    margin-bottom: clamp(1rem, 2vh, 2rem);
}

.versions .section-header__subtitle {
    max-width: 100%;
    font-size: var(--fs-base);
}

.versions__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    padding-top: 70px;
    align-items: start;
}

/* Version Card with round photo */
.version-card__photo {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.version-card__photo img {
    width: clamp(120px, 12vw, 180px);
    height: clamp(120px, 12vw, 180px);
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-primary);
    box-shadow: 0 8px 30px rgba(207, 157, 69, 0.2);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.version-card:hover .version-card__photo img {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(207, 157, 69, 0.3);
}

/* ── Experts Section — Single-Row Horizontal Slider ── */
.experts {
    padding: var(--space-5xl) 0;
    background: #FFFFFF;
}

.experts__intro {
    text-align: center;
    margin-bottom: var(--space-md);
}

.experts__headline {
    font-size: clamp(2.25rem, 5vw, 5rem);
    font-weight: var(--fw-medium);
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.experts__text {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    max-width: 100%;
    margin: 0 auto var(--space-md);
    line-height: var(--lh-relaxed);
    text-align: center;
}

.experts__text strong {
    color: var(--text-primary);
}

/* Expert Auto-Scroll Tracks */
.experts__track-wrapper {
    overflow: hidden;
    position: relative;
    width: 100%;
    margin-bottom: var(--space-lg);
    -webkit-mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
    mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}

.experts__track-wrapper:hover .experts__track {
    animation-play-state: paused;
}

.experts__track {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-sm) 0;
    width: max-content;
}

.experts__track--left {
    animation: scrollLeft 60s linear infinite;
}

.experts__track--right {
    animation: scrollRight 60s linear infinite;
}

@keyframes scrollLeft {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

@keyframes scrollRight {
    from {
        transform: translateX(-50%);
    }

    to {
        transform: translateX(0);
    }
}

.expert-card {
    flex: 0 0 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    aspect-ratio: 3 / 4;
    /* Force separate compositing layers for children to prevent iOS Safari from dropping the massive parent layer */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.expert-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    pointer-events: none;
    transition: transform 0.4s ease;
}

.expert-card__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl) var(--space-md) var(--space-lg);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: #fff;
    text-align: left;
    transition: opacity 0.4s ease;
}

.expert-card__name {
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    line-height: 1.2;
    margin-bottom: 4px;
}

.expert-card__role {
    font-size: 12px;
    font-weight: var(--fw-regular);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.9;
}

/* Hover: zoom image, hide overlay */
.expert-card:hover img {
    transform: scale(1.1);
}

.expert-card:hover .expert-card__info {
    opacity: 0;
}


/* ── FAQ Section ── */
.faq {
    padding: var(--space-5xl) 0;
    background: var(--bg-main);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #E8E6DE;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
    font-size: var(--fs-md);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary-dark);
}

.faq-question__icon {
    font-size: var(--fs-xl);
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--space-lg);
}

.faq-item.active .faq-question__icon {
    transform: rotate(45deg);
}

.faq-answer__content {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
}

/* ── Responsive ── */
@media (max-width: 992px) {
    .nl-hero {
        min-height: auto;
        padding: calc(var(--navbar-height) + var(--space-xl)) var(--space-md) var(--space-xl);
    }

    .nl-hero__stats {
        gap: var(--space-lg);
        flex-wrap: wrap;
    }

    .features__split {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

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

    .features__visual {
        order: -1;
    }

    .features__visual img {
        aspect-ratio: 16 / 9;
        max-height: 300px;
        object-position: center 20%;
    }

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

    .expert-card {
        flex: 0 0 170px;
    }
}

@media (max-width: 768px) {
    .nl-hero__actions {
        flex-direction: column;
        gap: var(--space-md);
    }

    .nl-hero__stats {
        gap: var(--space-lg);
    }

    .nl-hero__stat-divider {
        display: none;
    }

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

    .feature-item {
        padding: var(--space-md);
    }

    .feature-item__number {
        font-size: var(--fs-lg);
    }

    .versions__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
        gap: var(--space-4xl);
    }

    .expert-card {
        flex: 0 0 150px;
    }

    /* ── Mobile Experts Carousel ── */
    /* Stop CSS transform animation, switch to native scroll */
    .experts__track-wrapper {
        overflow: auto;
        overflow-y: hidden;
        -webkit-mask-image: none;
        mask-image: none;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    .experts__track-wrapper::-webkit-scrollbar {
        display: none;
    }

    .experts__track {
        animation: none !important;
        width: max-content;
        transform: none !important;
    }
}