/* ======== УЧЕБНЫЙ ПЛАН ======== */
.tabs__buttons {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tabs__btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: color 0.25s ease, border-color 0.25s ease;
    z-index: 0;
}

.tabs__btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #ffffff;
    clip-path: inset(50% 50% 50% 50% round 80px);
    transition: clip-path 0.25s ease;
    z-index: -1;
}

.tabs__btn:hover::before,
.tabs__btn.active::before {
    clip-path: inset(-5% -5% -5% -5% round 0px);
}

.tabs__btn:hover,
.tabs__btn.active {
    color: var(--bg-dark, #1a1a2e);
    border-color: var(--primary-blue);
}

.tabs__panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tabs__panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Карусель дисциплин ---- */
.curr-carousel {
    position: relative;
    user-select: none;
}

.curr-carousel__viewport {
    overflow: hidden;
}

@keyframes curr-scroll {
    to { transform: translateX(-50%); }
}

.curr-carousel__track {
    display: flex;
    /* ширина и flex-basis слайдов задаются через JS */
}

.curr-carousel__slide {
    min-width: 0;
    box-sizing: border-box;
    padding: 0 10px;
}

/* Карточка дисциплины */
.curr-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.25rem 1.75rem 2rem;
    min-height: 290px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
    cursor: default;
}

/* Заливка — как у карточек преимуществ */
.curr-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #9dc2e6;
    clip-path: inset(50% 50% 50% 50% round 80px);
    transition: clip-path 0.25s ease;
    z-index: 0;
}

.curr-card:hover {
    border-color: var(--primary-blue-light);
}

.curr-card:hover::before {
    clip-path: inset(-5% -5% -5% -5% round 0px);
}

.curr-card__num {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.05em;
    color: var(--primary-blue);
    opacity: 0.12;
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    pointer-events: none;
    z-index: 1;
}

.curr-card__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    margin: 0 0 1rem;
    padding-right: 2.5rem;
    position: relative;
    z-index: 1;
    transition: color 0.25s ease;
}

.curr-card__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
    position: relative;
    z-index: 1;
    transition: color 0.25s ease;
}

.curr-card:hover .curr-card__title,
.curr-card:hover .curr-card__desc {
    color: var(--bg-dark, #1a1a2e);
}

.curr-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
    padding-top: 1.25rem;
    position: relative;
    z-index: 1;
}

.curr-card__tag {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.38rem 0.8rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.curr-card:hover .curr-card__tag {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
    color: var(--bg-dark, #1a1a2e);
}

[data-theme="dark"] .curr-card::before {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .curr-card__tag {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .curr-card:hover .curr-card__title,
[data-theme="dark"] .curr-card:hover .curr-card__desc {
    color: #ffffff;
}

[data-theme="dark"] .curr-card:hover .curr-card__tag {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}