/* ============================================================
   Reviews page styles
   ============================================================ */

/* ---- Hero ---- */
.reviews-hero {
    padding: 64px 0 56px;
    position: relative;
    overflow: hidden;
}
.reviews-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(45% 60% at 90% 0%, var(--lavender-soft), transparent 65%),
        radial-gradient(45% 60% at 0% 100%, #f0e9d4, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.reviews-hero .container { position: relative; z-index: 1; }
.reviews-hero .eyebrow { margin-bottom: 14px; }
.reviews-hero h1 {
    font-size: clamp(36px, 4.6vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 800;
    margin-bottom: 18px;
    text-wrap: balance;
    max-width: 800px;
}
.reviews-hero h1 em {
    font-style: normal;
    color: var(--accent);
}
.reviews-hero .lede {
    font-size: 19px;
    line-height: 1.55;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 36px;
}

/* Hero stats strip */
.r-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    padding: 28px 0 0;
    border-top: 1px solid var(--border);
}
.r-stat-num {
    font-size: 38px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    margin-bottom: 8px;
}
.r-stat-num em {
    font-style: normal;
    color: var(--accent);
    font-size: 22px;
    margin-left: 4px;
}
.r-stat-lbl {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ---- Tabs ---- */
.tabs-wrap {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 72px;
    z-index: 30;
    backdrop-filter: blur(12px);
}
.tabs {
    display: flex;
    gap: 4px;
}
.tab-btn {
    padding: 18px 4px;
    margin-right: 24px;
    border: none;
    background: transparent;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dim);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.tab-btn .cnt {
    background: var(--bg-soft);
    color: var(--text-dim);
    padding: 2px 8px;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.is-active {
    color: var(--text);
    border-bottom-color: var(--accent);
}
.tab-btn.is-active .cnt {
    background: var(--brand-soft);
    color: var(--brand-ink);
}

/* ---- Filter chips ---- */
.filters {
    padding: 28px 0 0;
}
.chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.chip:hover {
    border-color: var(--border-strong);
    color: var(--text);
}
.chip .cnt {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-dim);
    font-weight: 700;
}
.chip.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    animation: chipPop 0.36s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.chip.is-active .cnt { color: rgba(255,255,255,0.7); }
@keyframes chipPop {
    0%   { transform: scale(0.92); box-shadow: 0 0 0 0 rgba(124, 92, 255, 0); }
    55%  { transform: scale(1.06); box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.18); }
    100% { transform: scale(1);    box-shadow: 0 0 0 0 rgba(124, 92, 255, 0); }
}

/* ============================================================
   Анимации переключения фильтров и табов
   .r-grid       — обёртка карточек, JS навешивает классы:
     .is-leaving       — старые карточки исчезают (fade-out)
     .is-tab-out-left  — таб уезжает влево (Выпускники → Родители)
     .is-tab-out-right — таб уезжает вправо (Родители → Выпускники)
     .is-tab-in-left   — новый таб приезжает слева
     .is-tab-in-right  — новый таб приезжает справа
   На входе stagger через CSS-переменную --r-i, JS выставляет
   её на каждый child (0..N-1, ограничен mod 14).
   ============================================================ */
.r-grid {
    transition: min-height 0.3s ease;
}
.r-grid > * {
    animation: rCardIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(var(--r-i, 0) * 38ms);
}
@keyframes rCardIn {
    from { opacity: 0; transform: translateY(18px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

.r-grid.is-leaving > * {
    animation: rCardOut 0.24s cubic-bezier(0.55, 0, 0.78, 0.6) both;
    animation-delay: calc(var(--r-i, 0) * 6ms);
}
@keyframes rCardOut {
    from { opacity: 1; transform: translateY(0)    scale(1);    }
    to   { opacity: 0; transform: translateY(-10px) scale(0.97); }
}

.r-grid.is-tab-out-left  > * {
    animation: rTabOutLeft 0.32s cubic-bezier(0.55, 0, 0.78, 0.6) both;
    animation-delay: calc(var(--r-i, 0) * 6ms);
}
.r-grid.is-tab-out-right > * {
    animation: rTabOutRight 0.32s cubic-bezier(0.55, 0, 0.78, 0.6) both;
    animation-delay: calc(var(--r-i, 0) * 6ms);
}
.r-grid.is-tab-in-left   > * {
    animation: rTabInFromRight 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(var(--r-i, 0) * 38ms);
}
.r-grid.is-tab-in-right  > * {
    animation: rTabInFromLeft  0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(var(--r-i, 0) * 38ms);
}
@keyframes rTabOutLeft   { from { opacity: 1; transform: translateX(0); }      to { opacity: 0; transform: translateX(-44px); } }
@keyframes rTabOutRight  { from { opacity: 1; transform: translateX(0); }      to { opacity: 0; transform: translateX(44px);  } }
@keyframes rTabInFromRight { from { opacity: 0; transform: translateX(44px); } to { opacity: 1; transform: translateX(0);     } }
@keyframes rTabInFromLeft  { from { opacity: 0; transform: translateX(-44px);} to { opacity: 1; transform: translateX(0);     } }

/* Сглаживание подчёркивания активной вкладки */
.tab-btn { transition: color 0.2s, border-color 0.32s cubic-bezier(0.22, 1, 0.36, 1); }
.tab-btn .cnt { transition: background 0.25s ease, color 0.25s ease; }

@media (prefers-reduced-motion: reduce) {
    .r-grid > *,
    .r-grid.is-leaving > *,
    .r-grid.is-tab-out-left > *,
    .r-grid.is-tab-out-right > *,
    .r-grid.is-tab-in-left > *,
    .r-grid.is-tab-in-right > *,
    .chip.is-active {
        animation: none !important;
    }
}

.filter-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    font-weight: 600;
    margin-right: 8px;
}

/* ---- Grid ---- */
.r-grid-wrap {
    padding: 36px 0 96px;
}
.r-result-line {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.r-result-count {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-dim);
}
.r-result-count b { color: var(--text); font-weight: 700; }

.r-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
}

/* student card */
.s-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 24px 24px 22px;
    box-shadow: var(--shadow-1);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.s-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: var(--border-strong);
}
.sc-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.sc-ava {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}
.sc-name { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; line-height: 1.2; }
.sc-sub { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; font-family: var(--mono); }

.sc-quote {
    font-size: 15px;
    line-height: 1.55;
    color: var(--text);
    margin-bottom: 18px;
    text-wrap: pretty;
    flex: 1;
}
.sc-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

/* parent card (longer) */
.p-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 28px 28px 24px;
    box-shadow: var(--shadow-1);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s, border-color 0.2s;
    break-inside: avoid;
    margin-bottom: 20px;
}
.p-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--border-strong);
}
.pc-head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}
.pc-ava {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}
.pc-id {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.pc-id b { color: var(--text); }
.pc-id span { color: var(--text-dim); font-weight: 500; }
.pc-sub {
    font-size: 12.5px;
    color: var(--text-dim);
    margin-top: 4px;
    font-family: var(--mono);
}
.pc-quote {
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 16px;
    text-wrap: pretty;
}
.pc-quote p { margin-bottom: 12px; }
.pc-quote p:last-child { margin-bottom: 0; }
.pc-quote.is-clamped {
    display: -webkit-box;
    -webkit-line-clamp: 8;
    -webkit-box-orient: vertical;
    overflow: hidden;
    mask-image: linear-gradient(180deg, #000 70%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent 100%);
}
.pc-expand {
    background: none;
    border: none;
    color: var(--accent);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--mono);
    cursor: pointer;
    padding: 0;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
}
.pc-expand::after {
    content: '↓';
    transition: transform 0.15s;
}
.pc-expand.is-open::after { transform: rotate(180deg); }

.pc-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* parent grid: masonry-like via columns */
.r-grid.parent-grid {
    display: block;
    column-count: 2;
    column-gap: 20px;
}
@media (max-width: 900px) {
    .r-grid.parent-grid { column-count: 1; }
}

/* avatar palette */
.ava-c0 { background: linear-gradient(135deg, #5754ae, #3d3a8e); }
.ava-c1 { background: linear-gradient(135deg, #e08263, #c96b4c); }
.ava-c2 { background: linear-gradient(135deg, #4f9d7a, #3d8466); }
.ava-c3 { background: linear-gradient(135deg, #d4a44b, #b88a35); }
.ava-c4 { background: linear-gradient(135deg, #8a5fd1, #6346b0); }
.ava-c5 { background: linear-gradient(135deg, #3776ab, #4b8bbe); }
.ava-c6 { background: linear-gradient(135deg, #c96b4c, #a14d36); }
.ava-c7 { background: linear-gradient(135deg, #4b8bbe, #2e6b9a); }

/* CTA band at bottom */
.r-cta {
    margin-top: 80px;
    padding: 56px 56px;
    background:
        radial-gradient(50% 80% at 80% 50%, rgba(199,195,240,0.25), transparent 70%),
        radial-gradient(40% 60% at 0% 100%, rgba(255,158,118,0.18), transparent 70%),
        linear-gradient(135deg, #1d1b2c 0%, #2b285a 100%);
    border-radius: var(--r-xl);
    color: #fff;
    text-align: center;
}
.r-cta h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 14px;
    text-wrap: balance;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.r-cta p {
    color: rgba(255,255,255,0.7);
    font-size: 17px;
    max-width: 560px;
    margin: 0 auto 28px;
}
.r-cta .btn-primary {
    background: #fff;
    color: var(--accent);
}
.r-cta .btn-primary:hover { background: var(--brand-soft); }

/* legal */
.legal-note {
    margin-top: 32px;
    padding: 18px 22px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.55;
    max-width: 720px;
}
.legal-note strong { color: var(--text-secondary); font-weight: 600; }

/* responsive */
@media (max-width: 1080px) {
    .r-grid { grid-template-columns: 1fr 1fr; }
    .r-stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}
@media (max-width: 720px) {
    .r-grid { grid-template-columns: 1fr; }
    .tab-btn { font-size: 14.5px; margin-right: 16px; padding: 14px 0; }
    .r-cta { padding: 40px 24px; }
}