/* Корпоративное обучение — premium (.corporate-page) */

.corporate-page {
    --corp-brand-1: #1e3a8a;
    --corp-brand-2: #667eea;
    --corp-brand-3: #764ba2;
    --corp-brand-4: #c471ed;
    --corp-muted: #5c6370;
    --corp-radius: 18px;
    --corp-shadow: 0 14px 40px rgba(30, 27, 75, 0.1);
}

.corporate-page .corp-header {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(30, 58, 138, 0.92) 0%, rgba(118, 75, 162, 0.88) 55%, rgba(102, 126, 234, 0.85) 100%),
        url('../images/corporate-bg.jpg') no-repeat center center;
    background-size: cover;
    padding: 5.5rem 0 4.5rem;
    color: #fff;
    text-align: center;
    margin-bottom: 0;
}

.corporate-page .corp-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 0%, rgba(255, 255, 255, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 100%, rgba(196, 113, 237, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.corporate-page .corp-header .container {
    position: relative;
    z-index: 1;
}

.corporate-page .corp-header__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.corporate-page .corp-header__lead {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    line-height: 1.55;
    max-width: 40rem;
    margin: 0 auto;
    opacity: 0.95;
}

.corporate-page .corp-header__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin-top: 1.75rem;
}

.corporate-page .corp-header__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.35;
    text-decoration: none;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.28);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.corporate-page .corp-header__badge:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.45);
    transform: translateY(-1px);
}

.corporate-page .corp-header__note {
    margin-top: 1.25rem;
    font-size: 0.82rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.78);
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.corporate-page .corp-breadcrumb {
    --bs-breadcrumb-divider-color: rgba(255, 255, 255, 0.45);
}

.corporate-page .corp-breadcrumb .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
}

.corporate-page .corp-breadcrumb .breadcrumb-item a:hover {
    color: #fff;
}

.corporate-page .corp-breadcrumb .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.9);
}

.corporate-page .corp-seo-section {
    margin-bottom: 2.5rem;
}

.corporate-page .corp-seo-body p {
    line-height: 1.75;
    color: var(--corp-muted);
    margin-bottom: 1rem;
    font-size: 0.98rem;
}

.corporate-page .corp-seo-hint {
    color: var(--corp-muted);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.corporate-page .corp-seo-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.corporate-page .corp-seo-list li {
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(30, 27, 75, 0.06);
    color: var(--corp-muted);
    line-height: 1.55;
    font-size: 0.95rem;
}

.corporate-page .corp-seo-list li i {
    color: var(--corp-brand-2);
    margin-right: 0.5rem;
}

.corporate-page .corp-faq-section,
.corporate-page .corp-links-section {
    padding-bottom: 1rem;
}

.corporate-page .corp-faq .accordion-button:not(.collapsed) {
    background-color: #eef1ff;
    color: var(--corp-brand-1);
}

.corporate-page .corp-seo-links a {
    text-decoration: none;
}

.corporate-page .corp-seo-links .badge {
    font-size: 0.9rem;
    padding: 0.45rem 0.8rem;
    margin: 0.2rem;
}

.corporate-page .corp-main {
    position: relative;
    padding: 3rem 0 2rem;
    background: linear-gradient(180deg, #f8f9fc 0%, #fff 12%);
}

.corporate-page .corp-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.2), transparent);
}

.corporate-page .category-section {
    margin-bottom: 3.5rem;
}

.corporate-page .category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    padding: 0;
    margin-bottom: 1.5rem;
    font-size: clamp(1.35rem, 2.5vw, 1.65rem);
    font-weight: 800;
    color: var(--corp-brand-1);
    letter-spacing: -0.01em;
}

.corporate-page .category-title::before {
    content: '';
    flex-shrink: 0;
    width: 5px;
    height: 1.75rem;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--corp-brand-2), var(--corp-brand-4));
    box-shadow: 0 0 12px rgba(102, 126, 234, 0.35);
}

.corporate-page .category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.2), transparent);
    margin-left: 0.5rem;
}

.corporate-page .course-card {
    border: 1px solid rgba(30, 27, 75, 0.06);
    border-radius: var(--corp-radius);
    box-shadow: 0 6px 24px rgba(30, 27, 75, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    height: 100%;
    overflow: hidden;
    background: #fff;
    position: relative;
}

.corporate-page .course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--corp-brand-2), var(--corp-brand-3), var(--corp-brand-4));
    opacity: 0.85;
    transition: opacity 0.25s ease;
}

.corporate-page .course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--corp-shadow);
    border-color: rgba(102, 126, 234, 0.15);
}

.corporate-page .course-card:hover::before {
    opacity: 1;
}

.corporate-page .course-card .card-body {
    padding: 1.5rem 1.4rem 1.35rem;
}

.corporate-page .course-card .card-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    color: var(--corp-brand-1);
}

.corporate-page .course-card .card-text {
    color: var(--corp-muted);
    font-size: 0.9rem;
    line-height: 1.55;
    margin-bottom: 0;
}

.corporate-page .btn-details {
    background: linear-gradient(135deg, var(--corp-brand-2), var(--corp-brand-3));
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.55rem 1.25rem;
    font-size: 0.88rem;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.15rem;
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.28);
}

.corporate-page .btn-details:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(102, 126, 234, 0.38);
}

.corporate-page .btn-details::after {
    content: '\f054';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.65rem;
    opacity: 0.85;
}

.corporate-page .corp-cta {
    background: linear-gradient(135deg, var(--corp-brand-1) 0%, var(--corp-brand-3) 50%, var(--corp-brand-2) 100%);
    padding: 4rem 0;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.corporate-page .corp-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(196, 113, 237, 0.15) 0%, transparent 45%);
    pointer-events: none;
}

.corporate-page .corp-cta .container {
    position: relative;
    z-index: 1;
}

.corporate-page .corp-cta__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.85rem;
}

.corporate-page .corp-cta__lead {
    font-size: 1.05rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    max-width: 32rem;
    margin: 0 auto 1.75rem;
}

.corporate-page .corp-cta__btn {
    border-radius: 999px;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border: none;
    background: #fff;
    color: var(--corp-brand-1);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.corporate-page .corp-cta__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
    color: var(--corp-brand-3);
    background: #fff;
}

@media (max-width: 767.98px) {
    .corporate-page .corp-header {
        padding: 3rem 0 2.5rem;
    }

    .corporate-page .corp-header__badges {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .corporate-page .corp-header__badge {
        width: 100%;
        max-width: 22rem;
        justify-content: center;
        text-align: center;
        font-size: 0.72rem;
    }

    .corporate-page .corp-header__note {
        font-size: 0.75rem;
        padding: 0 0.5rem;
    }

    .corporate-page .corp-main {
        padding: 2rem 0 1.5rem;
    }

    .corporate-page .category-section {
        margin-bottom: 2.5rem;
    }

    .corporate-page .category-title {
        font-size: 1.2rem;
        margin-bottom: 1.15rem;
    }

    .corporate-page .category-title::after {
        display: none;
    }

    .corporate-page .course-card .card-body {
        padding: 1.25rem 1.15rem 1.1rem;
    }

    .corporate-page .course-card .card-title {
        font-size: 0.98rem;
    }

    .corporate-page .btn-details {
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }

    .corporate-page .corp-cta {
        padding: 2.75rem 0;
    }

    .corporate-page .corp-cta__btn {
        width: 100%;
        max-width: 20rem;
    }
}