/* =========================================
   BASE — Carousel-inspired catalog system
   ========================================= */

:root {
    --esli-bg: #faf9fb;
    --esli-surface: #ffffff;
    --esli-border: #dfdeec;
    --esli-border-soft: #edebfe;
    --esli-text: #140838;
    --esli-muted: #69637e;
    --esli-primary: #5035f6;
    --esli-primary-dark: #28007d;
    --esli-chip: #edebfe;
    --esli-chip-soft: #fff1b8;
    --esli-footer: #140838;
    --esli-shadow: 0 8px 16px -8px rgba(20, 8, 56, 0.12);
    --esli-radius-sm: 4px;
    --esli-radius-md: 6px;
    --esli-radius-lg: 8px;
    --esli-font-regular: 400;
    --esli-font-medium: 500;
    --esli-font-semibold: 600;
    --esli-font-bold: 700;
    --esli-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --esli-font-display: "new-hero", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--esli-bg);
    color: var(--esli-text);
    font-family: var(--esli-font-sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.esli-site-header a,
.esli-page-shell a,
.esli-site-footer a,
.entry-content a,
.inside-article a,
a:visited,
a {
    color: inherit;
    text-decoration: none !important;
    border-bottom: 0 !important;
    background-image: none !important;
    box-shadow: none !important;
}

.esli-site-header a:hover,
.esli-site-header a:focus,
.esli-site-header a:active,
.esli-site-header a:visited,
.esli-page-shell a:hover,
.esli-page-shell a:focus,
.esli-page-shell a:active,
.esli-page-shell a:visited,
.esli-site-footer a:hover,
.esli-site-footer a:focus,
.esli-site-footer a:active,
.esli-site-footer a:visited,
.entry-content a:hover,
.entry-content a:focus,
.entry-content a:active,
.inside-article a:hover,
.inside-article a:focus,
.inside-article a:active,
a:hover,
a:focus,
a:active,
a:visited {
    text-decoration: none !important;
    border-bottom: 0 !important;
    background-image: none !important;
    box-shadow: none !important;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    color: var(--esli-text);
    font-family: var(--esli-font-display);
    font-weight: var(--esli-font-bold);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

p {
    margin: 0;
}

select,
input,
button {
    font: inherit;
}

.site.grid-container,
.inside-header,
.site-content,
.site-footer {
    max-width: none;
}

#page {
    min-height: 100vh;
}

.esli-site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    height: 73px;
    border-bottom: 1px solid var(--esli-border);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
}

.esli-header-inner,
.esli-page-shell,
.esli-footer-inner {
    width: min(1240px, calc(100% - 56px));
    margin: 0 auto;
}

.esli-header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 100%;
    gap: 24px;
}

.esli-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--esli-primary);
    font-family: var(--esli-font-display);
    font-size: 24px;
    font-weight: var(--esli-font-bold);
    letter-spacing: -0.04em;
}

.esli-brand__logo {
    display: block;
    width: auto;
    height: 64px;
}

.esli-brand__logo--footer {
    height: 64px;
}

.esli-brand__mark {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background:
        linear-gradient(45deg, transparent 0 30%, currentColor 30% 70%, transparent 70% 100%),
        linear-gradient(135deg, transparent 0 30%, currentColor 30% 70%, transparent 70% 100%);
    transform: rotate(12deg);
}

.esli-main-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    color: var(--esli-text);
    font-size: 16px;
    font-weight: var(--esli-font-regular);
}

.esli-main-nav a,
.esli-main-nav a:hover,
.esli-main-nav a:focus,
.esli-main-nav a:active,
.esli-main-nav a:visited {
    color: inherit;
    text-decoration: none !important;
    border-bottom: 0 !important;
    background-image: none !important;
}

.esli-header-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 18px;
}

.esli-header-actions__link {
    font-size: 16px;
    font-weight: var(--esli-font-medium);
}

.esli-header-actions__link,
.esli-header-actions__link:hover,
.esli-header-actions__link:focus,
.esli-header-actions__link:active,
.esli-header-actions__link:visited,
.esli-header-actions__button,
.esli-header-actions__button:hover,
.esli-header-actions__button:focus,
.esli-header-actions__button:active,
.esli-header-actions__button:visited {
    color: inherit;
    text-decoration: none !important;
    background-image: none !important;
}

.esli-header-actions__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 26px;
    border: 1px solid var(--esli-border-soft);
    border-radius: var(--esli-radius-sm);
    background: var(--esli-border-soft);
    font-family: var(--esli-font-display);
    font-size: 16px;
    font-weight: var(--esli-font-semibold);
}

.esli-page-shell {
    padding-top: 32px;
    padding-bottom: 88px;
}

.esli-panel,
.esli-page-heading,
.esli-filter-card,
.esli-model-card,
.esli-article-card,
.esli-prose-card,
.esli-empty-state,
.esli-similar__item {
    border: 1px solid var(--esli-border);
    border-radius: var(--esli-radius-md);
    background: var(--esli-surface);
}

.esli-page-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
    align-items: start;
    padding: 32px 36px;
    margin-bottom: 28px;
}

.esli-page-heading__eyebrow,
.esli-section-heading__eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--esli-chip);
    color: var(--esli-primary-dark);
    font-family: var(--esli-font-display);
    font-size: 13px;
    font-weight: var(--esli-font-semibold);
    margin-bottom: 18px;
}

.esli-page-heading__title {
    max-width: 840px;
    font-family: var(--esli-font-display);
    font-size: clamp(2rem, 4vw, 3.45rem);
}

.esli-page-heading__text {
    max-width: 760px;
    margin-top: 16px;
    color: var(--esli-muted);
    font-size: 18px;
    line-height: 1.6;
}

.esli-page-heading--article .esli-page-heading__title {
    font-size: clamp(1.9rem, 3.3vw, 3rem);
}

.esli-heading-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(112px, 1fr));
    gap: 12px;
    min-width: 320px;
}

.esli-heading-metrics__item {
    min-height: 88px;
    padding: 16px 18px;
    border: 1px solid var(--esli-border);
    border-radius: var(--esli-radius-md);
    background: var(--esli-surface);
}

.esli-heading-metrics__item strong {
    display: block;
    margin-bottom: 10px;
    font-size: 24px;
    line-height: 1;
    font-weight: var(--esli-font-bold);
}

.esli-heading-metrics__item span {
    color: var(--esli-muted);
    font-size: 14px;
}

.esli-inline-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    color: var(--esli-muted);
    font-size: 14px;
    font-weight: var(--esli-font-regular);
}

.esli-toolbar {
    display: grid;
    grid-template-columns: 288px 1fr 280px;
    gap: 32px;
    align-items: center;
    margin-bottom: 24px;
}

.esli-toolbar__search,
.esli-toolbar__sort {
    display: flex;
    align-items: center;
    min-height: 50px;
    padding: 0 18px;
    border: 1px solid var(--esli-border);
    border-radius: var(--esli-radius-md);
    background: var(--esli-surface);
}

.esli-toolbar__search {
    gap: 12px;
    padding-right: 0;
}

.esli-toolbar__search input[type="search"],
.esli-toolbar__sort select {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--esli-muted);
    outline: none;
}

.esli-toolbar__search input[type="search"] {
    min-height: 48px;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0;
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    color: var(--esli-text);
    box-shadow: none !important;
    -webkit-appearance: none;
    appearance: none;
}

.esli-toolbar__search input[type="search"]:focus {
    background: transparent !important;
    background-color: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

.esli-toolbar__search input[type="search"]::placeholder {
    color: var(--esli-muted);
    opacity: 1;
}

.esli-toolbar__search input[type="search"]::-webkit-search-decoration,
.esli-toolbar__search input[type="search"]::-webkit-search-cancel-button,
.esli-toolbar__search input[type="search"]::-webkit-search-results-button,
.esli-toolbar__search input[type="search"]::-webkit-search-results-decoration {
    -webkit-appearance: none;
}

.esli-toolbar__search button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: stretch;
    flex: 0 0 48px;
    margin: 0;
    padding: 0;
    border: 0;
    border-left: 1px solid var(--esli-border);
    border-radius: 0 var(--esli-radius-md) var(--esli-radius-md) 0;
    background: transparent !important;
    color: var(--esli-muted) !important;
    box-shadow: none !important;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: none;
    -webkit-appearance: none;
    appearance: none;
}

.esli-toolbar__search button:hover,
.esli-toolbar__search button:focus,
.esli-toolbar__search button:active {
    background: transparent !important;
    color: var(--esli-muted) !important;
    box-shadow: none !important;
}

.esli-toolbar__search:focus-within {
    border-color: var(--esli-border);
    box-shadow: none;
}

.esli-toolbar__count {
    color: var(--esli-text);
    font-size: 16px;
    font-weight: var(--esli-font-regular);
}

.esli-catalog-layout {
    display: grid;
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
}

.esli-filter-card {
    padding: 26px 32px;
}

.esli-filter-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.esli-filter-card__title {
    font-family: var(--esli-font-display);
    font-size: 18px;
    font-weight: var(--esli-font-bold);
}

.esli-filter-card__clear {
    color: var(--esli-text);
    font-size: 14px;
    font-weight: var(--esli-font-semibold);
}

.esli-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--esli-chip);
    color: var(--esli-text);
    font-size: 14px;
    margin: 0 10px 12px 0;
}

.esli-filter-chip a {
    display: inline-flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--esli-muted);
    border-radius: 999px;
    font-size: 16px;
    line-height: 1;
}

.esli-filter-group + .esli-filter-group {
    margin-top: 22px;
}

.esli-filter-group h3 {
    margin-bottom: 12px;
    font-family: var(--esli-font-display);
    font-size: 14px;
    font-weight: var(--esli-font-semibold);
    letter-spacing: 0.01em;
}

.esli-filter-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--esli-border);
}

.esli-filter-list li {
    border-bottom: 1px solid var(--esli-border);
}

.esli-filter-list li a,
.esli-filter-list__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 58px;
    color: var(--esli-text);
    font-size: 16px;
    font-weight: var(--esli-font-medium);
}

.esli-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.esli-catalog-grid--articles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.esli-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.esli-section-heading__title {
    font-family: var(--esli-font-display);
    font-size: clamp(1.45rem, 2vw, 2.2rem);
}

.esli-section-heading__text {
    max-width: 420px;
    color: var(--esli-muted);
    font-size: 15px;
    line-height: 1.6;
}

.esli-panel {
    padding: 28px 32px;
}

.esli-panel + .esli-panel {
    margin-top: 24px;
}

.esli-route-grid,
.esli-method-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.esli-route-card,
.esli-method-card {
    min-height: 168px;
    padding: 22px 24px;
    border: 1px solid var(--esli-border);
    border-radius: var(--esli-radius-md);
    background: var(--esli-surface);
}

.esli-route-card h3,
.esli-method-card strong {
    display: block;
    margin-bottom: 12px;
    font-size: 20px;
    font-weight: var(--esli-font-bold);
}

.esli-route-card p,
.esli-method-card p {
    color: var(--esli-muted);
    font-size: 15px;
    line-height: 1.6;
}

.esli-method-grid--single {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.esli-panel__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.esli-empty-state {
    padding: 40px 32px;
    color: var(--esli-muted);
    font-size: 16px;
    text-align: center;
}

.esli-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 28px;
}

.esli-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 10px;
    border: 1px solid var(--esli-border);
    border-radius: var(--esli-radius-sm);
    background: var(--esli-surface);
    color: var(--esli-text);
    font-size: 16px;
    font-weight: var(--esli-font-medium);
}

.esli-pagination .page-numbers.current {
    border-color: var(--esli-primary);
    background: var(--esli-primary);
    color: var(--esli-surface);
}

.esli-breadcrumbs {
    margin: 0 0 24px;
}

.esli-breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--esli-muted);
    font-size: 14px;
}

.esli-breadcrumbs__item:not(:last-child)::after {
    content: ">";
    margin-left: 10px;
    color: var(--esli-muted);
}

.esli-site-footer {
    background: var(--esli-footer);
    color: var(--esli-surface);
    padding: 94px 0 108px;
}

.esli-footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(223, 222, 236, 0.2);
}

.esli-brand--footer {
    color: var(--esli-surface);
}

.esli-footer-socials {
    display: flex;
    gap: 16px;
}

.esli-footer-socials__dot {
    width: 16px;
    height: 16px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
}

.esli-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 40px;
    padding-top: 56px;
}

.esli-footer-grid__title {
    margin-bottom: 18px;
    font-family: var(--esli-font-display);
    font-size: 14px;
    font-weight: var(--esli-font-semibold);
}

.esli-footer-grid__links {
    display: grid;
    gap: 12px;
    color: rgba(255, 255, 255, 0.88);
    font-family: var(--esli-font-display);
    font-size: 14px;
    font-weight: var(--esli-font-regular);
}

@media (max-width: 1180px) {
    .esli-header-inner {
        grid-template-columns: 1fr;
        justify-items: start;
        height: auto;
        padding: 14px 0;
    }

    .esli-site-header {
        position: relative;
        height: auto;
    }

    .esli-main-nav,
    .esli-header-actions {
        justify-content: flex-start;
    }

    .esli-toolbar,
    .esli-catalog-layout,
    .esli-page-heading,
    .esli-section-heading,
    .esli-article-layout,
    .esli-route-grid,
    .esli-method-grid,
    .esli-footer-grid {
        grid-template-columns: 1fr;
    }

    .esli-section-heading,
    .esli-page-heading {
        align-items: start;
    }

    .esli-toolbar {
        gap: 16px;
    }

    .esli-catalog-grid,
    .esli-catalog-grid--articles {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .esli-header-inner,
    .esli-page-shell,
    .esli-footer-inner {
        width: min(1240px, calc(100% - 32px));
    }

    .esli-page-shell {
        padding-top: 24px;
        padding-bottom: 72px;
    }

    .esli-panel,
    .esli-page-heading,
    .esli-filter-card,
    .esli-prose-card {
        padding: 22px 20px;
    }

    .esli-heading-metrics {
        grid-template-columns: 1fr;
        min-width: 0;
    }

    .esli-brand__logo {
        height: 30px;
    }

    .esli-brand__logo--footer {
        height: 30px;
    }

    .esli-catalog-grid,
    .esli-catalog-grid--articles {
        grid-template-columns: 1fr;
    }
}