/* ==========================================================================
   ДИФ — components
   Брейкпоинты: 576 · 768 · 992 · 1200 · 1280 · 1440
   ========================================================================== */

/* ==========================================================================
   Button
   .btn                — базовая «пилюля»
   .btn--primary       — мятная заливка (главное действие)
   .btn--outline       — контур (вторичное действие, со стрелкой)
   .btn--accent        — зелёная заливка на тёмном фоне
   .btn--ghost-light   — контур на тёмном фоне
   .btn--arrow         — текст слева, стрелка справа
   .btn--sm / --lg / --block
   ========================================================================== */
.btn {
    --btn-h: 3.375rem;
    --btn-px: 2rem;
    --btn-bg: transparent;
    --btn-fg: var(--c-text);
    --btn-bd: transparent;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    min-height: var(--btn-h);
    padding: 0 var(--btn-px);
    border: 1.25px solid var(--btn-bd);
    border-radius: var(--radius-pill);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-size: var(--text-md);
    font-weight: var(--weight-medium);
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition:
        background-color var(--dur-base) var(--ease-out),
        color var(--dur-base) var(--ease-out),
        border-color var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out),
        transform var(--dur-fast) var(--ease-out);
}

.btn:active {
    transform: scale(0.98);
}

.btn .icon {
    --icon-size: 1.25rem;
    transition: transform var(--dur-base) var(--ease-out);
}

.btn--arrow {
    justify-content: space-between;
    min-width: min(100%, 16.625rem);
    gap: var(--space-8);
}

.btn--arrow:hover .icon:last-child,
.btn--arrow:focus-visible .icon:last-child {
    transform: translateX(4px);
}

.btn--primary {
    --btn-bg: var(--c-accent);
    --btn-fg: var(--ink-950);
    font-weight: var(--weight-semibold);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    --btn-bg: var(--c-accent-hover);
    box-shadow: var(--shadow-glow);
}

.btn--outline {
    --btn-bd: var(--c-border-strong);
}

.btn--outline:hover,
.btn--outline:focus-visible {
    --btn-bg: var(--ink-900);
    --btn-fg: var(--white);
}

.btn--accent {
    --btn-bg: var(--mint-500);
    --btn-fg: var(--ink-950);
    font-weight: var(--weight-medium);
}

.btn--accent:hover,
.btn--accent:focus-visible {
    --btn-bg: var(--c-accent);
}

.btn--dark {
    --btn-bg: var(--ink-900);
    --btn-fg: var(--white);
}

.btn--dark:hover,
.btn--dark:focus-visible {
    --btn-bg: var(--ink-700);
}

.btn--ghost-light {
    --btn-bd: rgb(255 255 255 / 0.35);
    --btn-fg: var(--white);
}

.btn--ghost-light:hover,
.btn--ghost-light:focus-visible {
    --btn-bg: var(--white);
    --btn-fg: var(--ink-900);
    --btn-bd: var(--white);
}

.btn--soft {
    --btn-bg: var(--c-surface-2);
}

.btn--soft:hover,
.btn--soft:focus-visible {
    --btn-bg: var(--c-accent-soft);
}

.btn--sm {
    --btn-h: 2.5rem;
    --btn-px: 1.25rem;
    font-size: var(--text-sm);
}

.btn--lg {
    --btn-h: 3.75rem;
}

.btn--block {
    width: 100%;
}

.btn--icon {
    --btn-px: 0;
    width: var(--btn-h);
}

/* Круглая кнопка навигации каруселей / лайтбокса */
.round-btn {
    display: inline-grid;
    place-items: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: var(--white);
    color: var(--ink-900);
    box-shadow: var(--shadow-md);
    transition:
        background-color var(--dur-base) var(--ease-out),
        opacity var(--dur-base) var(--ease-out),
        transform var(--dur-base) var(--ease-out);
}

.round-btn .icon {
    --icon-size: 1.5rem;
    --icon-stroke: 2;
}

.round-btn:hover {
    background: var(--c-accent);
}

.round-btn:disabled {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.8);
}

/* ==========================================================================
   Chip / label / badge / tag
   ========================================================================== */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.3125rem 0.875rem;
    border: 1px solid var(--mint-500);
    border-radius: var(--radius-pill);
    color: var(--c-accent-text);
    font-size: clamp(0.6875rem, 0.64rem + 0.2vw, 0.875rem);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.02em;
    line-height: 1.3;
    text-transform: uppercase;
}

.chip--dark {
    border-color: rgb(255 255 255 / 0.25);
    color: var(--mint-500);
}

/* «Жидкое стекло» поверх фото */
.badge-glass {
    display: inline-flex;
    align-items: center;
    padding: 0.5625rem 1.125rem;
    border-radius: var(--radius-pill);
    border: 0.75px solid rgb(255 255 255 / 0.5);
    background: linear-gradient(0deg, rgb(255 255 255 / 0.28), rgb(209 250 235 / 0.14));
    color: var(--white);
    font-size: var(--text-sm);
    line-height: 1;
    box-shadow:
        inset 0 0.5px 0.1px rgb(255 255 255 / 0.6),
        0 6px 18px rgb(0 0 0 / 0.12);
    -webkit-backdrop-filter: blur(6px) saturate(180%);
    backdrop-filter: blur(6px) saturate(180%);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-pill);
    background: var(--c-surface-2);
    color: var(--c-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    line-height: 1.4;
    white-space: nowrap;
}

.tag .icon {
    --icon-size: 0.875rem;
}

.tag--accent {
    background: var(--c-accent-soft);
    color: var(--c-accent-text);
}

.tag--dark {
    background: var(--ink-900);
    color: var(--white);
}

/* ==========================================================================
   Shape — фирменная «срезанная» форма (как домик в логотипе)
   Срезы под 45° задаются переменными --cut-tl/tr/br/bl, скругление стыков
   --shape-r, скругление обычных углов --r-tl/tr/br/bl.
   Без JS работает polygon-фолбэк, с JS (shape.js) — path() со скруглениями.
   ========================================================================== */
.shape {
    clip-path: polygon(
        0 var(--cut-tl),
        var(--cut-tl) 0,
        calc(100% - var(--cut-tr)) 0,
        100% var(--cut-tr),
        100% calc(100% - var(--cut-br)),
        calc(100% - var(--cut-br)) 100%,
        var(--cut-bl) 100%,
        0 calc(100% - var(--cut-bl))
    );
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: relative;
    z-index: var(--z-header);
    height: var(--header-h);
}

.site-header__bar {
    position: absolute;
    inset: 0 0 auto;
    height: var(--header-h);
    background: rgb(255 255 255 / 0.9);
    transition:
        height var(--dur-slow) var(--ease-out),
        transform var(--dur-slow) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    height: 100%;
}

/* Компактная «липкая» шапка: появляется при скролле вверх */
.site-header.is-stuck .site-header__bar {
    position: fixed;
    height: var(--header-h-compact);
    background: rgb(255 255 255 / 0.82);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    backdrop-filter: blur(16px) saturate(160%);
    box-shadow: 0 1px 0 var(--c-border), 0 8px 24px -16px rgb(0 0 0 / 0.25);
    animation: header-in var(--dur-slow) var(--ease-out);
}

.site-header.is-stuck.is-hidden .site-header__bar {
    transform: translateY(-110%);
    box-shadow: none;
}

@keyframes header-in {
    from {
        transform: translateY(-100%);
    }
}

.logo {
    display: block;
    flex-shrink: 0;
    width: clamp(8.75rem, 7.6rem + 4.9vw, 12.3rem);  /* 140 → 197 */
    border-radius: var(--radius-xs);
    transition: width var(--dur-slow) var(--ease-out);
}

.logo img {
    width: 100%;
    height: auto;
}

.site-header.is-stuck .logo {
    width: 7.5rem;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    margin-left: auto;
}

.header-cta {
    --btn-h: 3.375rem;
    gap: var(--space-4);
    font-size: var(--text-md);
}

.site-header.is-stuck .header-cta {
    --btn-h: 2.75rem;
}

.header-cta .icon {
    --icon-size: 1.375rem;
}

.menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 2.75rem;
    padding: 0 var(--space-1);
    font-size: var(--text-md);
    color: var(--c-text);
}

.menu-toggle .icon {
    --icon-size: 1.5rem;
}

@media (width < 768px) {
    .header-cta {
        display: none;
    }
}

@media (width >= 1200px) {
    .menu-toggle {
        display: none;
    }
    .site-header__actions {
        margin-left: 0;
    }
}

/* ---------- Primary navigation ---------- */
.nav {
    display: none;
}

@media (width >= 1200px) {
    .nav {
        display: block;
        margin-inline: auto;
    }
}

.nav__list {
    display: flex;
    align-items: center;
    /* зазор между пилюлями: hover и активный пункт рядом не слипаются */
    gap: clamp(0.375rem, 0.1rem + 0.4vw, 0.5rem);
    list-style: none;
    padding: 0;
}

.nav__item {
    position: relative;
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    /* одинаковые поля у hover и активного состояния — пилюля не «прыгает» */
    padding: 0.5rem clamp(0.875rem, 0.2rem + 0.9vw, 1.25rem);
    border-radius: var(--radius-pill);
    color: inherit;
    font-size: var(--text-md);
    line-height: 1.25;
    text-decoration: none;
    white-space: nowrap;
    transition:
        background-color var(--dur-base) var(--ease-out),
        color var(--dur-base) var(--ease-out);
}

.nav__link .icon {
    --icon-size: 1rem;
    --icon-stroke: 2;
    transition: transform var(--dur-base) var(--ease-out);
}

.nav__link:hover {
    background: var(--c-surface-2);
}

.nav__link[aria-current="page"],
.nav__link.is-current {
    background: var(--c-accent-soft);
}

.nav__item.is-open > .nav__link .icon,
.nav__link[aria-expanded="true"] .icon {
    transform: rotate(180deg);
}

/* ---------- Dropdown ---------- */
.dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    z-index: var(--z-dropdown);
    width: max-content;
    min-width: 15rem;
    max-width: min(24rem, 90vw);
    padding: 0;
    list-style: none;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    translate: -50% 6px;
    transition:
        opacity var(--dur-base) var(--ease-out),
        translate var(--dur-base) var(--ease-out),
        visibility 0s linear var(--dur-base);
}

/* «мостик», чтобы курсор не терял меню в зазоре */
.dropdown::before {
    content: "";
    position: absolute;
    inset: -0.75rem 0 auto;
    height: 0.75rem;
}

.nav__item.is-open > .dropdown {
    opacity: 1;
    visibility: visible;
    translate: -50% 0;
    transition-delay: 0s;
}

@media (hover: hover) {
    .nav__item:hover > .dropdown {
        opacity: 1;
        visibility: visible;
        translate: -50% 0;
        transition-delay: 0s;
    }
    .nav__item:hover > .nav__link .icon {
        transform: rotate(180deg);
    }
}

.dropdown__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: 0.875rem 1.25rem;
    color: var(--c-text);
    font-size: var(--text-base);
    line-height: 1.3;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color var(--dur-fast) var(--ease-out);
}

/* подсветка повторяет скругление меню только с внешней стороны:
   у первого пункта — сверху, у последнего — снизу, между пунктами — прямые углы */
.dropdown > li:first-child > .dropdown__link {
    border-radius: calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px) 0 0;
}

.dropdown > li:last-child > .dropdown__link {
    border-radius: 0 0 calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px);
}

.dropdown > li:only-child > .dropdown__link {
    border-radius: calc(var(--radius-lg) - 1px);
}

.dropdown > li + li {
    border-top: 1px solid var(--c-border);
}

.nav--dark .dropdown > li + li {
    border-top-color: var(--c-border-on-dark);
}

.dropdown__link .icon {
    --icon-size: 1rem;
    opacity: 0;
    transform: translateX(-4px);
    transition:
        opacity var(--dur-base) var(--ease-out),
        transform var(--dur-base) var(--ease-out);
}

.dropdown__link:hover,
.dropdown__link:focus-visible {
    background: var(--c-accent-soft);
}

.dropdown__link:hover .icon,
.dropdown__link:focus-visible .icon {
    opacity: 1;
    transform: none;
}

.dropdown__link[aria-current="page"] {
    font-weight: var(--weight-semibold);
    background: var(--c-surface-2);
}

/* Тёмная версия (футер): открывается вверх */
.nav--dark .nav__link {
    color: var(--c-text-on-dark);
}

.nav--dark .nav__link:hover {
    background: rgb(255 255 255 / 0.08);
}

.nav--dark .nav__link[aria-current="page"],
.nav--dark .nav__link.is-current {
    background: var(--pine-700);
}

.nav--dark .dropdown {
    top: auto;
    bottom: calc(100% + 0.5rem);
    border-color: var(--c-border-on-dark);
    background: var(--ink-800);
    translate: -50% -6px;
}

.nav--dark .dropdown::before {
    inset: auto 0 -0.75rem;
}

.nav--dark .dropdown__link {
    color: var(--c-text-on-dark);
}

.nav--dark .dropdown__link[aria-current="page"] {
    background: rgb(255 255 255 / 0.08);
    color: var(--white);
}

.nav--dark .dropdown__link:hover,
.nav--dark .dropdown__link:focus-visible {
    background: var(--pine-700);
}

/* ==========================================================================
   Mobile menu (<dialog>)
   ========================================================================== */
.mobile-menu {
    width: min(100% - 2rem, 30rem);
    max-width: none;
    max-height: calc(100dvh - 2rem);
    margin: 1rem auto auto;
    padding: 3.75rem 1rem 1rem;
    border: 0;
    border-radius: var(--radius-2xl);
    background: var(--gray-50);
    color: var(--c-text);
    box-shadow: var(--shadow-lg);
    overflow: auto;
    overscroll-behavior: contain;
    opacity: 0;
    transform: translateY(-16px) scale(0.98);
    transition:
        opacity var(--dur-base) var(--ease-out),
        transform var(--dur-slow) var(--ease-out),
        overlay var(--dur-base) allow-discrete,
        display var(--dur-base) allow-discrete;
}

.mobile-menu[open] {
    opacity: 1;
    transform: none;
}

@starting-style {
    .mobile-menu[open] {
        opacity: 0;
        transform: translateY(-16px) scale(0.98);
    }
}

.mobile-menu::backdrop {
    background: rgb(20 22 21 / 0);
    -webkit-backdrop-filter: blur(0);
    backdrop-filter: blur(0);
    transition:
        background-color var(--dur-base) var(--ease-out),
        backdrop-filter var(--dur-base) var(--ease-out),
        overlay var(--dur-base) allow-discrete,
        display var(--dur-base) allow-discrete;
}

.mobile-menu[open]::backdrop {
    background: rgb(20 22 21 / 0.45);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

@starting-style {
    .mobile-menu[open]::backdrop {
        background: rgb(20 22 21 / 0);
        backdrop-filter: blur(0);
    }
}

.mobile-menu__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    transition: background-color var(--dur-fast) var(--ease-out);
}

.mobile-menu__close:hover {
    background: var(--c-surface-2);
}

.mobile-menu__close .icon {
    --icon-size: 1.75rem;
    --icon-stroke: 1.5;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: var(--space-10);
    list-style: none;
    padding: 0;
    text-align: center;
}

.mobile-nav__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-height: 2.75rem;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 1.125rem;
    color: var(--c-text);
    text-decoration: none;
}

.mobile-nav__link[aria-current="page"] {
    padding-inline: 1.5rem;
    background: var(--c-accent-soft);
}

.mobile-nav__link .icon {
    --icon-size: 1rem;
    --icon-stroke: 2;
    transition: transform var(--dur-base) var(--ease-out);
}

.mobile-nav__link[aria-expanded="true"] .icon {
    transform: rotate(180deg);
}

.mobile-nav__sub {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--dur-slow) var(--ease-out);
}

.mobile-nav__sub.is-open {
    grid-template-rows: 1fr;
}

.mobile-nav__sub > ul {
    overflow: hidden;
    list-style: none;
    padding: 0;
}

.mobile-nav__sub a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--c-text-muted);
    font-size: 1rem;
    font-weight: 300;
    text-decoration: none;
}

.mobile-nav__sub a:hover,
.mobile-nav__sub a[aria-current="page"] {
    color: var(--c-text);
}

.mobile-menu .btn--primary {
    width: min(100%, 14.75rem);
    margin-inline: auto;
    display: flex;
}

html:has(.mobile-menu[open]) {
    overflow: hidden;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--ink-900);
    color: var(--c-text-on-dark);
    padding-block: clamp(2.5rem, 2rem + 2vw, 3.125rem) clamp(2rem, 1.6rem + 1vw, 2.25rem);
}

.site-footer__top {
    display: grid;
    justify-items: center;
    gap: var(--space-8);
    padding-bottom: clamp(2rem, 1.5rem + 2vw, 3rem);
    border-bottom: 1px solid var(--c-border-on-dark);
    text-align: center;
}

.site-footer .logo {
    width: 12.3rem;
}

.site-footer__contacts {
    display: grid;
    gap: 0.125rem;
    font-style: normal;
    font-size: var(--text-md);
    line-height: 1.5;
}

.site-footer__contacts a {
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out);
}

.site-footer__contacts a:hover {
    color: var(--c-accent);
}

.site-footer__bottom {
    display: grid;
    justify-items: center;
    gap: var(--space-4);
    padding-top: clamp(1.5rem, 1.2rem + 1vw, 1.875rem);
    color: var(--c-text-on-dark);
    font-size: var(--text-md);
    text-align: center;
}

.site-footer__bottom a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out);
}

.site-footer__bottom a:hover {
    color: var(--c-accent);
}

.site-footer .nav {
    display: none;
}

@media (width >= 992px) {
    .site-footer__top {
        grid-template-columns: auto 1fr auto;
        align-items: center;
        justify-items: stretch;
        text-align: left;
    }
    .site-footer__contacts {
        text-align: right;
    }
    .site-footer__bottom {
        grid-template-columns: 1fr auto;
        justify-items: stretch;
        text-align: left;
    }
}

@media (width >= 1200px) {
    .site-footer .nav {
        display: block;
    }
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */
.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0.5rem;
    list-style: none;
    padding: 0;
    font-size: var(--text-sm);
    color: var(--c-text-muted);
}

.breadcrumbs li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumbs li + li::before {
    content: "";
    width: 0.375rem;
    height: 0.375rem;
    border-top: 1.5px solid var(--gray-400);
    border-right: 1.5px solid var(--gray-400);
    transform: rotate(45deg);
}

.breadcrumbs a {
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out);
}

.breadcrumbs a:hover {
    color: var(--c-text);
    text-decoration: underline;
}

.breadcrumbs [aria-current="page"] {
    color: var(--c-text);
}

/* ==========================================================================
   Timeline list — «Мы выполняем»
   ========================================================================== */
.timeline {
    --tl-x: 0.3125rem;          /* центр линии */
    --tl-gap: clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
    position: relative;
    padding-left: clamp(2.25rem, 2rem + 0.5vw, 2.5rem);
}

.timeline::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0.75rem;
    left: var(--tl-x);
    width: 3px;
    border-radius: 2px;
    background: var(--c-line);
    translate: -50% 0;
}

.timeline__title {
    margin-bottom: var(--tl-gap);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    line-height: 1.2;
}

.timeline__list {
    display: grid;
    gap: var(--tl-gap);
    list-style: none;
    padding: 0;
}

.timeline__item {
    position: relative;
    font-size: var(--text-md);
    line-height: 1.4;
}

.timeline__item::before {
    content: "";
    position: absolute;
    top: 0.125rem;
    left: calc(-1 * (clamp(2.25rem, 2rem + 0.5vw, 2.5rem)) + var(--tl-x));
    width: 0.875rem;
    height: 0.875rem;
    border: 3px solid var(--c-line);
    border-radius: 50%;
    background: var(--c-bg);
    box-shadow: 0 0 0 4px var(--c-bg);
    translate: -50% 0;
}

/* ==========================================================================
   Experience card — «20+ лет опыта»
   ========================================================================== */
.exp-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: clamp(13.6rem, 10rem + 9vw, 19.125rem);
    aspect-ratio: 306 / 238;
    padding: clamp(1.25rem, 0.9rem + 1vw, 2rem);
    border-radius: clamp(20px, 1rem + 0.7vw, 30px);
    background: var(--c-surface-accent);
    color: var(--c-text);
}

.exp-card__num {
    font-size: clamp(2.5rem, 1.6rem + 2.9vw, 3.75rem);
    font-weight: var(--weight-bold);
    line-height: 1;
    letter-spacing: -0.02em;
}

.exp-card__label {
    margin-top: 0.25rem;
    font-size: clamp(1rem, 0.8rem + 0.6vw, 1.375rem);
    font-weight: var(--weight-medium);
}

.exp-card__text {
    margin-top: clamp(0.5rem, 0.3rem + 0.8vw, 1.125rem);
    color: var(--c-text-muted);
    font-size: clamp(0.75rem, 0.6rem + 0.4vw, 1rem);
    line-height: 1.45;
}

/* ==========================================================================
   Feature (иконка + заголовок + текст) — «Мы гарантируем»
   ========================================================================== */
.feature {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    column-gap: clamp(1rem, 0.7rem + 1vw, 1.5rem);
}

.icon-tile {
    flex-shrink: 0;
    align-self: flex-start;
    display: grid;
    place-items: center;
    width: clamp(3.375rem, 3rem + 1vw, 4rem);
    aspect-ratio: 1;
    border: 1.5px solid var(--ink-900);
    border-radius: var(--radius-md);
    color: var(--ink-900);
}

.icon-tile .icon {
    --icon-size: clamp(1.5rem, 1.3rem + 0.5vw, 1.875rem);
    --icon-stroke: 1.5;
}

.icon-tile--soft {
    border: 0;
    background: var(--c-accent-soft);
    color: var(--mint-700);
}

.icon-tile--dark {
    border: 0;
    background: var(--ink-900);
    color: var(--c-accent);
}

.feature__title {
    margin-bottom: 0.375rem;
    font-size: var(--text-md);
    font-weight: var(--weight-bold);
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.feature__text {
    font-size: var(--text-md);
    line-height: 1.4;
}

/* ==========================================================================
   Stat
   ========================================================================== */
.stats {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: var(--space-6) clamp(1.5rem, 0.5rem + 3vw, 3.5rem);
}

.stat {
    display: grid;
    align-content: start;
    gap: clamp(0.5rem, 0.3rem + 0.8vw, 1.25rem);
}

.stat__num {
    font-size: var(--text-stat);
    font-weight: var(--weight-bold);
    line-height: 0.95;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.stat__label {
    max-width: 19rem;
    color: var(--c-text-muted);
    font-size: var(--text-md);
    line-height: 1.4;
}

.stats__divider {
    align-self: stretch;
    width: 4px;
    border-radius: 2px;
    background: var(--ink-900);
}

.stats--sm .stat__num {
    font-size: clamp(2.25rem, 1.8rem + 2vw, 3.5rem);
}

/* ==========================================================================
   Quote card — тёмная карточка директора
   ========================================================================== */
.quote-card {
    position: relative;
    display: flex;
    flex-direction: column;
    isolation: isolate;
    padding: clamp(2rem, 1.5rem + 1.6vw, 2.75rem);
    border-radius: var(--radius-2xl);
    background: var(--c-surface-dark);
    color: var(--c-text-on-dark);
    overflow: hidden;
}

/* фирменная диагональная штриховка */
.quote-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: repeating-linear-gradient(
        -45deg,
        rgb(255 255 255 / 0.045) 0 1px,
        transparent 1px 7px
    );
}

.person {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.avatar {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: clamp(3.75rem, 3.2rem + 1.4vw, 4.75rem);
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--pine-800);
    color: var(--white);
    font-size: clamp(1.25rem, 1rem + 0.7vw, 1.75rem);
    font-weight: var(--weight-medium);
}

.person__name {
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    line-height: 1.3;
}

.person__role {
    color: var(--c-text-on-dark-muted);
    font-size: var(--text-md);
}

.quote-card__text {
    margin-block: clamp(1.25rem, 1rem + 1vw, 2rem) clamp(1.5rem, 1rem + 2vw, 3rem);
    font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
    font-weight: var(--weight-regular);
    line-height: 1.5;
    text-wrap: balance;
}

.quote-card__text strong {
    font-weight: var(--weight-bold);
}

.quote-card__text em {
    font-style: normal;
    color: var(--mint-500);
}

.perks {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: auto;
    padding-top: clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
    margin-bottom: var(--space-6);
    border-top: 2px dashed rgb(255 255 255 / 0.35);
    list-style: none;
    padding-inline: 0;
}

.perks li {
    display: grid;
    justify-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-1);
    color: rgb(255 255 255 / 0.6);
    font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.875rem);
    line-height: 1.25;
    text-align: center;
}

.perks .icon {
    --icon-size: 1.75rem;
    --icon-stroke: 1.5;
}

/* ==========================================================================
   Project card — карточка объекта поверх фото
   ========================================================================== */
.project-card {
    position: relative;
    display: block;
    aspect-ratio: 566 / 412;
    border-radius: var(--radius-lg);
    overflow: hidden;
    color: var(--white);
    text-decoration: none;
    isolation: isolate;
    background: var(--ink-800);
}

.project-card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    transition: transform 900ms var(--ease-out);
}

.project-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(to top, rgb(0 0 0 / 0.78) 0%, rgb(0 0 0 / 0.38) 30%, rgb(0 0 0 / 0) 58%);
}

.project-card .badge-glass {
    position: absolute;
    top: clamp(1rem, 0.7rem + 1vw, 1.75rem);
    left: clamp(1rem, 0.7rem + 1vw, 1.75rem);
}

.project-card__body {
    position: absolute;
    inset: auto 0 0;
    padding: clamp(1.25rem, 1rem + 0.6vw, 1.75rem);
}

.project-card__title,
.project-card__meta {
    display: block;
}

.project-card__title {
    font-size: clamp(1.125rem, 0.95rem + 0.8vw, 1.75rem);
    font-weight: var(--weight-semibold);
    line-height: 1.2;
}

.project-card__meta {
    margin-top: 0.25rem;
    color: rgb(255 255 255 / 0.85);
    font-size: clamp(0.875rem, 0.8rem + 0.3vw, 1.125rem);
}

.project-card:hover .project-card__img {
    transform: scale(1.05);
}

/* ==========================================================================
   Carousel (Embla)
   ========================================================================== */
.carousel {
    --slide-gap: clamp(1rem, 0.6rem + 1.4vw, 2.5rem);
    --slide-size: 88%;
    position: relative;
}

@media (width >= 576px) {
    .carousel { --slide-size: 64%; }
}

@media (width >= 768px) {
    .carousel { --slide-size: 75%; }
}

@media (width >= 992px) {
    .carousel { --slide-size: 46%; }
}

@media (width >= 1200px) {
    .carousel { --slide-size: 43%; }
}

.carousel__viewport {
    overflow: hidden;
    /* вылет вправо к краю экрана, как в макете */
    margin-right: calc(50% - 50vw);
}

.carousel__track {
    display: flex;
    gap: var(--slide-gap);
    touch-action: pan-y pinch-zoom;
}

.carousel__slide {
    flex: 0 0 var(--slide-size);
    min-width: 0;
}

.carousel__btn {
    position: absolute;
    top: calc(50% - 1.75rem);
    z-index: var(--z-raised);
    display: none;
}

.carousel__btn--next {
    right: calc(50% - 50vw + clamp(0.75rem, 0.5rem + 1vw, 1.75rem));
}

.carousel__btn--prev {
    left: clamp(-1.75rem, -1vw, -0.75rem);
}

.carousel__stage {
    position: relative;
}

@media (width < 768px) {
    .carousel__btn--next {
        display: grid;
        top: calc(50% - 1.75rem);
        right: calc(100% - var(--slide-size) + 0.5rem);
        width: 3.25rem;
        height: 3.25rem;
    }
}

@media (width >= 768px) {
    .carousel__btn {
        display: grid;
    }
}

.carousel__dots {
    display: flex;
    justify-content: flex-end;
    gap: 0.625rem;
    margin-top: clamp(1.25rem, 1rem + 1vw, 2.25rem);
}

.carousel__dot {
    position: relative;
    width: 0.875rem;
    height: 0.875rem;
    border: 1.5px solid var(--gray-300);
    border-radius: 50%;
    transition:
        background-color var(--dur-base) var(--ease-out),
        border-color var(--dur-base) var(--ease-out);
}

/* увеличенная зона касания */
.carousel__dot::after {
    content: "";
    position: absolute;
    inset: -0.625rem;
}

.carousel__dot[aria-current="true"] {
    background: var(--gray-300);
}

/* ==========================================================================
   Card (поверхность)
   ========================================================================== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
    border-radius: var(--radius-xl);
    background: var(--c-surface-2);
    color: var(--c-text);
}

.card--outline {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
}

.card--accent {
    background: var(--c-surface-accent);
}

.card--dark {
    background: var(--c-surface-dark);
    color: var(--c-text-on-dark);
}

.card--link {
    text-decoration: none;
    transition:
        transform var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.card--link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card__arrow {
    position: absolute;
    top: clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
    right: clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--white);
    transition:
        background-color var(--dur-base) var(--ease-out),
        transform var(--dur-base) var(--ease-out);
}

.card__arrow .icon {
    --icon-size: 1.125rem;
}

.card--link:hover .card__arrow {
    background: var(--c-accent);
    transform: rotate(-45deg);
}

/* Медиа-карточка (новости, типы АЗС) */
.media-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-xl);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    overflow: hidden;
    transition:
        box-shadow var(--dur-base) var(--ease-out),
        transform var(--dur-base) var(--ease-out),
        border-color var(--dur-base) var(--ease-out);
}

.media-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.media-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--c-surface-2);
}

.media-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 900ms var(--ease-out);
}

.media-card:hover .media-card__media img {
    transform: scale(1.05);
}

.media-card__media .badge-glass {
    background: rgb(20 22 21 / 0.42);
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
}

.media-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--space-3);
    padding: clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
}

.media-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
    color: var(--c-text-muted);
    font-size: var(--text-sm);
}

.media-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-top: auto;
    padding-top: var(--space-3);
}

/* растягиваем ссылку заголовка на всю карточку */
.stretched-link::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* ==========================================================================
   Page head (внутренние страницы)
   ========================================================================== */
.page-head {
    padding-block: clamp(1rem, 0.5rem + 1.5vw, 2rem) clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
}

.page-head__grid {
    display: grid;
    gap: clamp(1.5rem, 1rem + 2vw, 3rem);
    align-items: end;
}

.page-head .breadcrumbs {
    margin-bottom: clamp(1.5rem, 1rem + 2vw, 3rem);
}

.page-head .chip {
    margin-bottom: var(--space-5);
}

.page-head__title {
    max-width: 20ch;
}

.page-head__lead {
    margin-top: clamp(1rem, 0.8rem + 0.8vw, 1.75rem);
    max-width: 46rem;
    color: var(--c-text-muted);
    font-size: var(--text-lg);
    line-height: 1.5;
}

.page-head__aside {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

@media (width >= 992px) {
    .page-head__grid {
        grid-template-columns: minmax(0, 1fr) auto;
    }
    .page-head__aside {
        justify-content: flex-end;
    }
    .page-head__aside .kpi {
        flex: 0 0 auto;
    }
}

/* Метрики в шапке страницы */
.kpi {
    display: grid;
    flex: 1 1 8.5rem;
    gap: 0.25rem;
    min-width: 8.5rem;
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    background: var(--c-surface-2);
}

.kpi__num {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.kpi__label {
    color: var(--c-text-muted);
    font-size: var(--text-sm);
    line-height: 1.3;
}

.kpi--accent {
    background: var(--c-surface-accent);
}

/* ==========================================================================
   Section head
   ========================================================================== */
.section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-4) var(--space-8);
    margin-bottom: clamp(1.5rem, 1rem + 2vw, 3rem);
}

.section-head__text {
    max-width: 44rem;
}

.section-head__text p {
    margin-top: var(--space-3);
    color: var(--c-text-muted);
    font-size: var(--text-md);
}

/* ==========================================================================
   Prose — длинный текст
   ========================================================================== */
.prose {
    max-width: 72ch;
    font-size: var(--text-md);
    line-height: var(--leading-relaxed);
}

.prose > * + * {
    margin-top: 1em;
}

.prose h2 {
    margin-top: 2.2em;
    font-size: var(--text-2xl);
    line-height: 1.2;
}

.prose h3 {
    margin-top: 1.8em;
    font-size: var(--text-xl);
}

.prose h2 + *,
.prose h3 + * {
    margin-top: 0.75em;
}

.prose ul,
.prose ol {
    padding-left: 1.25em;
}

.prose li + li {
    margin-top: 0.5em;
}

.prose li::marker {
    color: var(--mint-600);
}

.prose a {
    color: var(--c-accent-text);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
}

.prose a:hover {
    text-decoration-color: currentColor;
}

.prose strong {
    font-weight: var(--weight-bold);
}

.prose blockquote {
    padding: var(--space-5) var(--space-6);
    border-left: 4px solid var(--c-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: var(--c-surface-2);
    font-size: var(--text-lg);
    line-height: 1.5;
}

.prose .lead-p {
    font-size: var(--text-xl);
    line-height: 1.5;
    color: var(--c-text);
}

/* ==========================================================================
   Gallery + Lightbox
   ========================================================================== */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--gallery-min, 11rem)), 1fr));
    gap: clamp(0.5rem, 0.3rem + 0.6vw, 0.875rem);
    list-style: none;
    padding: 0;
}

.gallery__item {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--c-surface-2);
    cursor: zoom-in;
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition:
        transform 700ms var(--ease-out),
        filter var(--dur-base) var(--ease-out);
}

.gallery__item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgb(0 0 0 / 0) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center / 0 no-repeat;
    transition:
        background-color var(--dur-base) var(--ease-out),
        background-size var(--dur-base) var(--ease-out);
}

.gallery__item:hover img {
    transform: scale(1.06);
}

.gallery__item:hover::after,
.gallery__item:focus-visible::after {
    background-color: rgb(0 0 0 / 0.28);
    background-size: 28px;
}

.gallery__more {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: grid;
    place-items: center;
    background: rgb(20 22 21 / 0.6);
    color: var(--white);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.lightbox {
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: rgb(14 15 15 / 0.96);
    color: var(--white);
    opacity: 0;
    transition:
        opacity var(--dur-base) var(--ease-out),
        overlay var(--dur-base) allow-discrete,
        display var(--dur-base) allow-discrete;
}

.lightbox[open] {
    display: grid;
    grid-template-rows: auto 1fr auto;
    opacity: 1;
}

@starting-style {
    .lightbox[open] {
        opacity: 0;
    }
}

.lightbox::backdrop {
    background: transparent;
}

.lightbox__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) var(--gutter);
}

.lightbox__counter {
    font-size: var(--text-sm);
    color: rgb(255 255 255 / 0.7);
    font-variant-numeric: tabular-nums;
}

.lightbox__close {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    color: var(--white);
    transition: background-color var(--dur-fast) var(--ease-out);
}

.lightbox__close:hover {
    background: rgb(255 255 255 / 0.12);
}

.lightbox__close .icon {
    --icon-size: 1.75rem;
}

.lightbox__stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 0;
    padding: 0 clamp(0.5rem, 5vw, 6rem);
    touch-action: pan-y;
}

.lightbox__img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
    user-select: none;
    -webkit-user-drag: none;
    transition: opacity var(--dur-base) var(--ease-out);
}

.lightbox__img.is-loading {
    opacity: 0.2;
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    translate: 0 -50%;
    background: rgb(255 255 255 / 0.1);
    color: var(--white);
    box-shadow: none;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.lightbox__nav:hover {
    background: var(--c-accent);
    color: var(--ink-950);
}

.lightbox__nav--prev {
    left: clamp(0.5rem, 2vw, 2rem);
}

.lightbox__nav--next {
    right: clamp(0.5rem, 2vw, 2rem);
}

@media (width < 768px) {
    .lightbox__nav {
        display: none;
    }
}

.lightbox__caption {
    min-height: 3.5rem;
    padding: var(--space-4) var(--gutter) var(--space-6);
    color: rgb(255 255 255 / 0.8);
    font-size: var(--text-sm);
    text-align: center;
}

/* ==========================================================================
   Segmented control / filter chips
   ========================================================================== */
.segmented {
    display: flex;
    gap: var(--space-2);
    padding: 0.3125rem;
    border-radius: var(--radius-pill);
    background: var(--c-surface-2);
    overflow-x: auto;
    scrollbar-width: none;
}

.segmented::-webkit-scrollbar {
    display: none;
}

.segmented__btn {
    flex-shrink: 0;
    min-height: 2.5rem;
    padding: 0 1.125rem;
    border-radius: var(--radius-pill);
    color: var(--c-text-muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    white-space: nowrap;
    transition:
        background-color var(--dur-base) var(--ease-out),
        color var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out);
}

.segmented__btn:hover {
    color: var(--c-text);
}

.segmented__btn[aria-pressed="true"],
.segmented__btn[aria-selected="true"] {
    background: var(--white);
    color: var(--c-text);
    box-shadow: var(--shadow-sm);
}

.segmented__count {
    margin-left: 0.375rem;
    color: var(--c-text-subtle);
    font-weight: var(--weight-medium);
}

/* ==========================================================================
   Form fields
   ========================================================================== */
.field {
    display: grid;
    gap: var(--space-2);
}

.field__label {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
}

.field__hint {
    color: var(--c-text-muted);
    font-size: var(--text-xs);
}

.field__error {
    display: none;
    color: var(--c-danger);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
}

.input {
    width: 100%;
    min-height: 3.375rem;
    padding: 0.875rem 1.25rem;
    border: 1.25px solid var(--c-border);
    border-radius: var(--radius-md);
    background: var(--c-bg);
    font-size: var(--text-base);
    line-height: 1.4;
    transition:
        border-color var(--dur-fast) var(--ease-out),
        box-shadow var(--dur-fast) var(--ease-out);
}

.input::placeholder {
    color: var(--gray-400);
}

.input:hover {
    border-color: var(--gray-300);
}

.input:focus {
    outline: none;
    border-color: var(--ink-900);
    box-shadow: 0 0 0 4px rgb(0 253 188 / 0.35);
}

textarea.input {
    min-height: 8rem;
    resize: vertical;
}

.field.is-invalid .input {
    border-color: var(--c-danger);
}

.field.is-invalid .field__error {
    display: block;
}

.input-icon {
    position: relative;
}

.input-icon .icon {
    position: absolute;
    top: 50%;
    left: 1.125rem;
    translate: 0 -50%;
    color: var(--c-text-subtle);
    pointer-events: none;
}

.input-icon .input {
    padding-left: 3.25rem;
    border-radius: var(--radius-pill);
}

.check {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-3);
    align-items: start;
    font-size: var(--text-sm);
    line-height: 1.45;
    color: var(--c-text-muted);
    cursor: pointer;
}

.check input {
    appearance: none;
    display: grid;
    place-items: center;
    width: 1.375rem;
    height: 1.375rem;
    margin: 0;
    border: 1.5px solid var(--gray-400);
    border-radius: 6px;
    background: var(--c-bg);
    cursor: pointer;
    transition:
        background-color var(--dur-fast) var(--ease-out),
        border-color var(--dur-fast) var(--ease-out);
}

.check input::after {
    content: "";
    width: 0.375rem;
    height: 0.6875rem;
    border: solid var(--ink-950);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px) scale(0);
    transition: transform var(--dur-fast) var(--ease-out);
}

.check input:checked {
    background: var(--c-accent);
    border-color: var(--c-accent);
}

.check input:checked::after {
    transform: rotate(45deg) translate(-1px, -1px) scale(1);
}

.check a {
    color: var(--c-text);
}

.field.is-invalid .check input {
    border-color: var(--c-danger);
}

/* ==========================================================================
   Accordion (<details>)
   ========================================================================== */
.accordion {
    border-top: 1px solid var(--c-border);
}

.accordion__item {
    border-bottom: 1px solid var(--c-border);
}

.accordion__item > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    line-height: 1.3;
    list-style: none;
    cursor: pointer;
}

.accordion__item > summary::-webkit-details-marker {
    display: none;
}

.accordion__icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--c-surface-2);
    transition:
        transform var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.accordion__icon .icon {
    --icon-size: 1.125rem;
}

.accordion__item[open] .accordion__icon {
    transform: rotate(45deg);
    background: var(--c-accent);
}

.accordion__body {
    padding-bottom: var(--space-6);
}

/* плавное раскрытие details (Chrome 131+) */
@supports (interpolate-size: allow-keywords) {
    .accordion {
        interpolate-size: allow-keywords;
    }
    .accordion__item::details-content {
        height: 0;
        overflow: clip;
        transition:
            height var(--dur-slow) var(--ease-out),
            content-visibility var(--dur-slow) allow-discrete;
    }
    .accordion__item[open]::details-content {
        height: auto;
    }
}

/* ==========================================================================
   TOC (оглавление) со scrollspy
   ========================================================================== */
.toc {
    position: sticky;
    top: calc(var(--header-h-compact) + var(--space-6));
    max-height: calc(100dvh - var(--header-h-compact) - var(--space-12));
    overflow: auto;
    scrollbar-width: thin;
}

.toc__title {
    margin-bottom: var(--space-3);
}

.toc__list {
    display: grid;
    gap: 0.125rem;
    list-style: none;
    padding: 0;
    border-left: 2px solid var(--c-border);
}

.toc__link {
    display: block;
    margin-left: -2px;
    padding: 0.4375rem 0 0.4375rem 1rem;
    border-left: 2px solid transparent;
    color: var(--c-text-muted);
    font-size: var(--text-sm);
    line-height: 1.35;
    text-decoration: none;
    transition:
        color var(--dur-fast) var(--ease-out),
        border-color var(--dur-fast) var(--ease-out);
}

.toc__link:hover {
    color: var(--c-text);
}

.toc__link.is-active {
    border-left-color: var(--mint-500);
    color: var(--c-text);
    font-weight: var(--weight-semibold);
}

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
    position: relative;
    display: grid;
    gap: var(--space-8);
    align-items: center;
    isolation: isolate;
    padding: clamp(2rem, 1.2rem + 3vw, 4rem);
    border-radius: var(--radius-2xl);
    background: var(--c-surface-dark);
    color: var(--c-text-on-dark);
    overflow: hidden;
}

.cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: repeating-linear-gradient(-45deg, rgb(255 255 255 / 0.045) 0 1px, transparent 1px 7px);
}

/* мятный «срез» в углу — отсылка к логотипу */
.cta-banner::after {
    content: "";
    position: absolute;
    right: -6rem;
    bottom: -6rem;
    z-index: -1;
    width: 18rem;
    height: 18rem;
    background: radial-gradient(closest-side, rgb(0 253 188 / 0.35), transparent);
    filter: blur(10px);
}

.cta-banner__title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--weight-black);
    line-height: 1.15;
    letter-spacing: var(--tracking-tight);
    text-transform: uppercase;
}

.cta-banner__text {
    margin-top: var(--space-4);
    max-width: 40rem;
    color: var(--c-text-on-dark-muted);
    font-size: var(--text-md);
}

.cta-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

@media (width >= 992px) {
    .cta-banner {
        grid-template-columns: 1fr auto;
    }
    .cta-banner__actions {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    list-style: none;
    padding: 0;
}

.pagination a,
.pagination span {
    display: grid;
    place-items: center;
    min-width: 3rem;
    height: 3rem;
    padding: 0 var(--space-4);
    border-radius: var(--radius-pill);
    color: var(--c-text);
    font-weight: var(--weight-semibold);
    text-decoration: none;
    transition: background-color var(--dur-fast) var(--ease-out);
}

.pagination a:hover {
    background: var(--c-surface-2);
}

.pagination [aria-current="page"] {
    background: var(--ink-900);
    color: var(--white);
}

.pagination .pagination__next {
    display: inline-flex;
    gap: var(--space-2);
    border: 1.25px solid var(--ink-900);
}

/* ==========================================================================
   Toast
   ========================================================================== */
.toast {
    position: fixed;
    left: 50%;
    bottom: max(1.5rem, env(safe-area-inset-bottom));
    z-index: var(--z-overlay);
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-pill);
    background: var(--ink-900);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    translate: -50% 1rem;
    pointer-events: none;
    transition:
        opacity var(--dur-base) var(--ease-out),
        translate var(--dur-base) var(--ease-out);
}

.toast .icon {
    color: var(--c-accent);
}

.toast.is-visible {
    opacity: 1;
    translate: -50% 0;
}

/* ==========================================================================
   Back to top
   ========================================================================== */
.to-top {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: var(--z-raised);
    width: 3rem;
    height: 3rem;
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
}

.to-top.is-visible {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

/* ==========================================================================
   Map
   ========================================================================== */
.map {
    position: relative;
    width: 100%;
    height: clamp(26rem, 20rem + 18vw, 37.5rem);
    background:
        repeating-linear-gradient(-45deg, var(--gray-100) 0 1px, transparent 1px 12px),
        var(--gray-50);
}

.map__placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    align-content: center;
    gap: var(--space-3);
    color: var(--c-text-muted);
    font-size: var(--text-sm);
}

.map__placeholder .icon {
    --icon-size: 2rem;
    color: var(--mint-600);
}

.map.is-ready .map__placeholder {
    display: none;
}

/* ==========================================================================
   Scroller — горизонтальная прокрутка вкладок (scroller.js)
   ========================================================================== */
.scroller {
    --fade: 3.5rem;
    position: relative;
    display: flex;
    min-width: 0;
    max-width: 100%;
}

.scroller__track {
    flex: 1 1 auto;
    min-width: 0;
    overscroll-behavior-x: contain;
    scroll-padding-inline: var(--fade);
}

/* мягкое затухание только с той стороны, куда ещё можно листать */
.scroller.has-overflow .scroller__track {
    --fl: var(--fade);
    --fr: var(--fade);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--fl), #000 calc(100% - var(--fr)), transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 var(--fl), #000 calc(100% - var(--fr)), transparent 100%);
}

.scroller.at-start .scroller__track { --fl: 0px; }
.scroller.at-end .scroller__track { --fr: 0px; }

.scroller.has-overflow .scroller__track {
    cursor: grab;
}

.scroller.is-dragging .scroller__track {
    cursor: grabbing;
    user-select: none;
}

.scroller.is-dragging .scroller__track * {
    pointer-events: none;
}

.scroller__btn {
    position: absolute;
    top: 50%;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--white);
    color: var(--ink-900);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    translate: 0 -50%;
    scale: 0.8;
    transition:
        opacity var(--dur-base) var(--ease-out),
        scale var(--dur-base) var(--ease-out),
        background-color var(--dur-fast) var(--ease-out);
}

.scroller__btn .icon {
    --icon-size: 1.125rem;
    --icon-stroke: 2.25;
}

.scroller__btn:hover {
    background: var(--c-accent);
}

.scroller__btn--prev { left: 0.25rem; }
.scroller__btn--next { right: 0.25rem; }

.scroller.has-overflow:not(.at-start) .scroller__btn--prev,
.scroller.has-overflow:not(.at-end) .scroller__btn--next {
    opacity: 1;
    pointer-events: auto;
    scale: 1;
}

/* на тач-экранах кнопки не нужны — хватает свайпа и затухания */
@media (hover: none) and (pointer: coarse) {
    .scroller__btn {
        display: none;
    }
}

.toolbar .scroller {
    flex: 0 1 auto;
}