/* ============================================================
   KatyaFit — 07 trainer: страница тренера (hero, философия, сертификаты, CTA, модалки)
   Часть styles.css. Подключается на страницах в фиксированном порядке.
   ============================================================ */

/* ============================================================
   TRAINER PAGE — Dark Sage & Warm Gold (Redesign 3.0)
   Страница тренера остаётся на тёмном фоне,
   остальной сайт — светлая кремово-золотая палитра.
   ============================================================ */

/* Тёмная база страницы тренера */
body.page-trainer {
    background-color: var(--bg-deep);
    color: var(--light);
}

/* Тёмная шапка теперь общая для всего сайта — см. .header-dark в home.css
   (body.page-trainer тоже несёт класс header-dark). */

.page-trainer .section-badge {
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid var(--accent-glow);
}

/* Варианты для светлых секций страницы тренера */
.section-badge--dark {
    color: var(--accent-hover);
    background: var(--accent-soft);
    border-color: var(--accent-glow);
}

.section-title--dark {
    color: var(--ink);
}

.section-title--dark span {
    color: var(--ink-muted);
}

/* ── Hero — Dark Sage Background ──────────────────────────── */
.trainer-hero-section {
    background: var(--bg-deep);
    padding-top: 6rem;
    padding-bottom: 6rem;
    position: relative;
    overflow: hidden;
}

/* Subtle radial gold glow */
.trainer-hero-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 70%;
    height: 160%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.04) 0%, transparent 65%);
    pointer-events: none;
}

.trainer-hero-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: center;
}

.trainer-photo-wrapper {
    position: relative;
    padding-right: 1.25rem;
    padding-bottom: 1.5rem;
}

/* Золотая декор-подложка — тёмный аналог .hero-photo-decor с главной */
.trainer-photo-decor {
    position: absolute;
    top: 0;
    left: 0;
    right: 1.25rem;
    bottom: 1.5rem;
    transform: translate(18px, 18px);
    border-radius: 32px;
    background: linear-gradient(150deg, rgba(201, 169, 110, 0.22), rgba(201, 169, 110, 0.07));
    border: 1px solid rgba(201, 169, 110, 0.28);
    z-index: 0;
}

.trainer-photo-box {
    position: relative;
    z-index: 1;
    border-radius: 32px;
    overflow: hidden;
    aspect-ratio: 9 / 10;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.30),
                0 0 0 1px rgba(201, 169, 110, 0.15);
    background: var(--bg-surface);
}

.trainer-photo-box img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: 50% 55%;
    transition: transform 0.6s var(--ease-out);
}

.trainer-photo-box:hover img {
    transform: scale(1.03);
}

.trainer-photo-badge {
    position: absolute;
    bottom: -1.25rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-surface);
    border: 1px solid var(--border-dark);
    border-radius: 50px;
    padding: 0.65rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.trainer-photo-badge svg {
    color: var(--accent);
}

.trainer-bio {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.trainer-name {
    font-size: clamp(2.4rem, 4vw + 1rem, 3.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 0.5rem;
    color: var(--light);
}

.trainer-name span {
    display: block;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, #ddb875 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trainer-tagline {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--light-muted);
    margin-bottom: 2.5rem;
    text-transform: uppercase;
}

/* Кликабельные слова тайтла → Instagram */
.trainer-tagline a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s var(--ease-out);
}
.trainer-tagline a:hover,
.trainer-tagline a:focus-visible {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.trainer-intro-text {
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--light-muted);
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.trainer-intro-text strong {
    color: var(--light);
    font-weight: 600;
}

/* Glassmorphism stat cards */
.trainer-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 3rem;
    width: 100%;
}

.trainer-stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    padding: 1.75rem 1.25rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.5s var(--ease-out),
                box-shadow 0.5s var(--ease-out),
                border-color 0.4s ease,
                background-color 0.4s ease;
}

.trainer-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--sage));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.trainer-stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-glow);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
}

.trainer-stat-card:hover::before {
    opacity: 1;
}

.trainer-stat-card .stat-num {
    font-family: var(--font-ui);
    font-size: clamp(1.85rem, 2.8vw, 2.25rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.trainer-stat-card .stat-label {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--light-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    line-height: 1.4;
}

/* ── Philosophy / Approach — Light Section ────────────────── */
.trainer-philosophy-section {
    background: var(--bg-cream);
    text-align: center;
}

.trainer-philosophy-section .section-badge--dark {
    background: var(--accent-soft);
    color: var(--accent-hover);
    border-color: var(--accent-glow);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: left;
}

.philosophy-card {
    background: var(--bg-pure);
    border: 1px solid var(--border-light);
    padding: 2.75rem 2.5rem;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    transition: transform 0.5s var(--ease-out),
                box-shadow 0.5s var(--ease-out),
                border-color 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--sage));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
}

.philosophy-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-glow);
}

.philosophy-card:hover::before {
    transform: scaleX(1);
}

.philosophy-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s ease,
                color 0.3s ease,
                transform 0.4s var(--ease-out);
}

.philosophy-card:hover .philosophy-icon {
    background: var(--accent);
    color: var(--bg-pure);
    transform: scale(1.05);
}

.philosophy-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.85rem;
}

.philosophy-card p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--ink-muted);
}

/* ── Certificates / Experience Slider ─────────────────────── */
.trainer-certificates-section {
    background: var(--bg-cream);
    text-align: center;
    border-top: 1px solid var(--border-light);
}

.trainer-certificates-section .section-title {
    color: var(--ink);
}

.trainer-certificates-section .section-title span {
    color: var(--ink-muted);
}

.trainer-certificates-section .section-badge {
    color: var(--accent-hover);
    background: var(--accent-soft);
    border-color: var(--accent-glow);
}

.certificates-slider-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    width: 100%;
    text-align: left;
    border: 1px solid var(--border-light);
    background: var(--bg-pure);
}

/* Контейнер слайдера переиспользует .card — нейтрализуем его hover-эффекты */
.certificates-slider-container.card,
.certificates-slider-container.card:hover {
    transform: none;
    min-height: 0;
    box-shadow: var(--shadow-md);
    border-color: var(--border-light);
}

/* Тёмная информационная панель */
.certificates-info-side {
    background: var(--bg-deep);
    color: var(--light);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.certificates-info-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.85rem;
}

.certificates-info-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--light-muted);
}

.certificates-list-detailed {
    list-style: none;
    padding: 0;
    margin: 1.75rem 0 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.certificates-list-detailed li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 0.92rem;
    color: var(--light);
    line-height: 1.5;
}

.certificates-list-detailed li svg {
    color: var(--accent);
}

.certificates-list-detailed li strong {
    color: var(--light);
    font-weight: 600;
}

.certificates-list-detailed li span {
    display: block;
    font-size: 0.8rem;
    color: var(--light-muted);
    margin-top: 0.1rem;
}

.certificates-slider-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.certificates-slider-controls .slider-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1.5px solid var(--accent);
    background: transparent;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease,
                border-color 0.3s ease,
                color 0.3s ease,
                transform 0.3s var(--ease-out);
}

.certificates-slider-controls .slider-btn:hover:not(:disabled) {
    background: var(--accent);
    color: var(--bg-deep);
    transform: scale(1.08);
}

.certificates-slider-controls .slider-btn:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

.certificates-slider-controls .slider-counter {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--light-muted);
    letter-spacing: 1.5px;
    min-width: 60px;
    text-align: center;
}

/* Точки пагинации сертификатов — только мобайл (на десктопе боковые стрелки) */
.certificates-slider-dots {
    display: none;
}

/* Окно слайдера — светлый фон для документов */
.certificates-slider-view {
    position: relative;
    overflow: hidden;
    background: #edeae4;
    aspect-ratio: 4/3;
    display: flex;
    align-items: stretch;
}

.certificates-slider-track {
    position: absolute;
    inset: 0;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    height: 100%;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.certificates-slider-track::-webkit-scrollbar {
    display: none;
}

.certificates-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f2f0eb;
    position: relative;
    scroll-snap-align: start;
    cursor: pointer;
    padding: 2.5rem;
}

.certificates-slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.10);
    border-radius: 8px;
    transition: transform 0.5s var(--ease-out),
                box-shadow 0.5s var(--ease-out);
}

.certificates-slide:hover img {
    transform: scale(1.02);
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.14);
}

.slide-hover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 31, 28, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    transition: opacity 0.4s ease;
    gap: 0.75rem;
}

.certificates-slide:hover .slide-hover-overlay {
    opacity: 1;
}

.slide-hover-overlay svg {
    color: var(--accent);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.slide-hover-overlay span {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ── CTA Section — Dark Background ────────────────────────── */
.trainer-cta-section {
    background: var(--bg-deep);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.trainer-cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 90%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.05) 0%, transparent 65%);
    pointer-events: none;
}

.trainer-cta-section .section-title {
    color: var(--light);
}

.trainer-cta-section .section-title span {
    color: var(--light-muted);
}

.trainer-cta-section .btn-secondary {
    color: var(--light);
    border-color: rgba(234, 230, 222, 0.3);
}

.trainer-cta-section .btn-secondary:hover:not(:disabled) {
    background-color: var(--light);
    color: var(--bg-deep);
    border-color: var(--light);
}

.trainer-cta-block {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.trainer-cta-text {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--light-muted);
    margin-bottom: 2.5rem;
    max-width: 480px;
}

.trainer-cta-btns {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* ── Certificate Viewer Modal (wide) ──────────────────────── */
.modal-box--wide {
    max-width: 750px;
    width: 95%;
    display: flex;
    flex-direction: column;
    padding: 35px 30px 30px;
}

.modal-img-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-milk);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    padding: 10px;
}

.modal-img-wrapper img {
    max-width: 100%;
    max-height: 60vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* ── Trainer page responsive ──────────────────────────────── */
@media (max-width: 1024px) {
    .certificates-slider-container {
        grid-template-columns: 1fr 1.1fr;
    }
    .trainer-hero-grid {
        gap: 3rem;
    }
}

@media (max-width: 992px) {
    .certificates-slider-container {
        grid-template-columns: 1fr;
    }
    .certificates-info-side {
        border-bottom: 1px solid var(--border-dark);
        padding: 2.5rem 2rem;
    }
    #trainer-diplomas .certificates-slider-view {
        aspect-ratio: 4/3;
        height: auto;
    }
    /* На мобильных боковые стрелки/счётчик прячем — листается свайпом,
       вместо них показываем точки пагинации под изображениями */
    .certificates-slider-controls {
        display: none;
    }
    .certificates-slider-dots {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin: 1.5rem 0 1.75rem;
        padding: 0 1rem;
    }
    .certificates-slider-dots .slider-dot {
        width: 8px;
        height: 8px;
    }
    .certificates-slider-dots .slider-dot.active {
        width: 20px;
        background-color: var(--accent);
    }
}

@media (max-width: 900px) {
    .trainer-hero-grid {
        grid-template-columns: 1fr;
        /* запас, чтобы плашка «Сертифицированный специалист» (свисает из-под
           фото) не липла к бейджу «О тренере» */
        gap: 3.75rem;
    }
    .trainer-photo-wrapper {
        max-width: 380px;
        margin: 0 auto;
    }
    .trainer-bio {
        align-items: center;
        text-align: center;
    }
    .trainer-intro-text {
        text-align: left;
    }
    .trainer-stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.85rem;
    }
    .trainer-stat-card {
        padding: 1.25rem 0.75rem;
    }
    .trainer-stat-card .stat-num {
        font-size: 1.5rem;
    }
    .trainer-stat-card .stat-label {
        font-size: 0.65rem;
    }
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    .philosophy-card {
        padding: 2rem 1.75rem;
    }
}

@media (max-width: 640px) {
    .trainer-photo-wrapper {
        max-width: 300px;
    }
    .trainer-photo-badge {
        font-size: 0.72rem;
        padding: 0.55rem 1.1rem;
    }
    .trainer-bio {
        align-items: flex-start;
        text-align: left;
    }
    .trainer-bio .section-badge {
        align-self: flex-start;
    }
    /* Кнопка «Выбрать программу» — по центру экрана на мобильных */
    #trainer-cta-btn {
        align-self: center;
    }
    .trainer-stats-grid {
        gap: 0.65rem;
    }
    .certificates-info-side {
        padding: 2rem 1.5rem;
    }
    .certificates-info-title {
        font-size: 1.2rem;
    }
    .trainer-cta-btns {
        flex-direction: column;
        width: 100%;
    }
    .trainer-cta-btns .btn {
        width: 100%;
        justify-content: center;
        min-height: 54px;
    }
}

@media (max-width: 480px) {
    .trainer-name {
        font-size: clamp(1.75rem, 8vw, 2.2rem);
    }
    .trainer-stats-grid {
        gap: 0.5rem;
    }
    .trainer-stat-card {
        padding: 1rem 0.5rem;
        border-radius: 14px;
    }
    .trainer-stat-card .stat-num {
        font-size: 1.35rem;
    }
    .trainer-stat-card .stat-label {
        font-size: 0.6rem;
        letter-spacing: 1px;
    }
    .certificates-slider-controls .slider-btn {
        width: 52px;
        height: 52px;
    }
    .modal-box--wide {
        width: 100%;
        padding: 28px 16px 20px;
    }
}

@media (max-width: 360px) {
    .trainer-stats-grid {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }
    .trainer-stat-card {
        flex-direction: row;
        padding: 1rem 1.25rem;
        gap: 1rem;
        text-align: left;
    }
    .trainer-stat-card .stat-num {
        font-size: 1.5rem;
        margin-bottom: 0;
    }
}

/* ============================================================