:root {
    --bl-ink: #202724;
    --bl-forest: #2d3d34;
    --bl-moss: #71806c;
    --bl-sage: #b9c4b0;
    --bl-sand: #f1ede4;
    --bl-paper: #fbfaf6;
    --bl-clay: #ae5c3a;
    --bl-white: #fff;
    --bl-line: rgba(32, 39, 36, .16);
    --bl-serif: "Noto Serif SC", "Songti SC", STSong, SimSun, serif;
    --bl-sans: "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body.bl-home {
    margin: 0;
    overflow-x: hidden;
    color: var(--bl-ink);
    background: var(--bl-paper);
    font-family: var(--bl-sans);
    -webkit-font-smoothing: antialiased;
}

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

.bl-home img {
    display: block;
    max-width: 100%;
}

.bl-home a {
    color: inherit;
    text-decoration: none;
}

.bl-home button,
.bl-home input {
    font: inherit;
}

.bl-shell {
    position: relative;
}

.bl-container {
    width: min(1280px, calc(100% - 80px));
    margin: 0 auto;
}

.bl-kicker {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 20px;
    color: var(--bl-moss);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .24em;
    line-height: 1.5;
    text-transform: uppercase;
}

.bl-kicker::before {
    width: 34px;
    height: 1px;
    background: currentColor;
    content: "";
}

.bl-title {
    margin: 0;
    color: var(--bl-ink);
    font-family: var(--bl-serif);
    font-size: clamp(38px, 4vw, 62px);
    font-weight: 500;
    letter-spacing: -.035em;
    line-height: 1.15;
}

.bl-copy {
    max-width: 620px;
    margin: 22px 0 0;
    color: rgba(32, 39, 36, .68);
    font-size: 15px;
    line-height: 1.95;
}

.bl-section {
    padding: 126px 0;
}

.bl-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 54px;
}

.bl-section-head .bl-copy {
    max-width: 420px;
    margin: 0 0 4px;
}

.bl-text-link {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    color: var(--bl-ink);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .12em;
    white-space: nowrap;
}

.bl-text-link::after {
    width: 42px;
    height: 1px;
    background: currentColor;
    content: "";
    transition: width .25s ease;
}

.bl-text-link:hover {
    color: var(--bl-clay);
}

.bl-text-link:hover::after {
    width: 62px;
}

/* Header */
.bl-header {
    position: relative;
    z-index: 30;
    background: var(--bl-paper);
}

.bl-utility {
    padding: 9px 0;
    color: rgba(255, 255, 255, .68);
    background: var(--bl-forest);
    font-size: 11px;
    letter-spacing: .08em;
}

.bl-utility-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.bl-utility-group {
    display: flex;
    align-items: center;
    gap: 28px;
}

.bl-utility a:hover {
    color: var(--bl-white);
}

.bl-nav-wrap {
    border-bottom: 1px solid var(--bl-line);
}

.bl-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 46px;
    min-height: 94px;
}

.bl-brand {
    flex: 0 0 auto;
}

.bl-brand img {
    width: 196px;
    height: auto;
}

.bl-nav {
    display: flex;
    align-items: center;
    gap: clamp(24px, 2.7vw, 46px);
    margin: 0;
    padding: 0;
    list-style: none;
}

.bl-nav > li {
    position: relative;
}

.bl-nav > li > a {
    position: relative;
    display: block;
    padding: 36px 0;
    color: rgba(32, 39, 36, .76);
    font-size: 14px;
    white-space: nowrap;
}

.bl-nav > li > a::after {
    position: absolute;
    right: 0;
    bottom: 27px;
    left: 0;
    height: 1px;
    background: var(--bl-clay);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .25s ease;
}

.bl-nav > li > a:hover,
.bl-nav > li.active > a {
    color: var(--bl-ink);
}

.bl-nav > li > a:hover::after,
.bl-nav > li.active > a::after {
    transform: scaleX(1);
    transform-origin: left;
}

.bl-header-call {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 12px;
}

.bl-header-call span {
    display: block;
    color: rgba(32, 39, 36, .48);
    font-size: 10px;
    letter-spacing: .14em;
}

.bl-header-call strong {
    display: block;
    margin-top: 2px;
    font-family: var(--bl-serif);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: .02em;
}

.bl-header-call i {
    display: grid;
    width: 40px;
    height: 40px;
    border: 1px solid var(--bl-line);
    border-radius: 50%;
    place-items: center;
}

.bl-header-call svg {
    width: 17px;
    height: 17px;
}

.bl-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--bl-line);
    border-radius: 50%;
    color: var(--bl-ink);
    background: transparent;
    cursor: pointer;
}

.bl-menu-toggle span,
.bl-menu-toggle::before,
.bl-menu-toggle::after {
    display: block;
    width: 18px;
    height: 1px;
    margin: 4px auto;
    background: currentColor;
    content: "";
}

/* Hero */
.bl-hero {
    position: relative;
    min-height: 720px;
    overflow: hidden;
    color: var(--bl-white);
    background: var(--bl-forest);
}

.bl-hero-bg {
    position: absolute;
    inset: 0;
    background: var(--hero-image) center 48% / cover no-repeat;
    transform: scale(1.015);
}

.bl-hero::after {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(20, 28, 24, .86) 0%, rgba(20, 28, 24, .48) 48%, rgba(20, 28, 24, .08) 78%),
        linear-gradient(0deg, rgba(20, 28, 24, .42), transparent 48%);
    content: "";
}

.bl-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .55fr);
    align-items: end;
    min-height: 720px;
    padding: 100px 0 72px;
}

.bl-hero-main {
    max-width: 790px;
}

.bl-hero .bl-kicker {
    color: rgba(255, 255, 255, .7);
}

.bl-hero h1 {
    margin: 0;
    font-family: var(--bl-serif);
    font-size: clamp(58px, 6.7vw, 108px);
    font-weight: 400;
    letter-spacing: -.06em;
    line-height: 1.02;
}

.bl-hero h1 em {
    color: #d6dbc9;
    font-style: normal;
}

.bl-hero-lead {
    max-width: 570px;
    margin: 30px 0 0;
    color: rgba(255, 255, 255, .78);
    font-size: 16px;
    line-height: 1.9;
}

.bl-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 38px;
}

.bl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 28px;
    border: 1px solid transparent;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .08em;
    transition: background .25s ease, border-color .25s ease, color .25s ease;
}

.bl-home a.bl-btn-primary {
    color: var(--bl-ink);
    background: var(--bl-paper);
}

.bl-home a.bl-btn-primary:hover {
    color: var(--bl-white);
    background: var(--bl-clay);
}

.bl-btn-ghost {
    border-color: rgba(255, 255, 255, .42);
    color: var(--bl-white);
}

.bl-btn-ghost:hover {
    border-color: var(--bl-white);
    background: rgba(255, 255, 255, .1);
}

.bl-hero-project {
    justify-self: end;
    width: min(330px, 100%);
    padding: 24px 0 0 25px;
    border-top: 1px solid rgba(255, 255, 255, .56);
    border-left: 1px solid rgba(255, 255, 255, .56);
}

.bl-hero-project span {
    font-size: 10px;
    letter-spacing: .22em;
}

.bl-hero-project h2 {
    margin: 13px 0 16px;
    font-family: var(--bl-serif);
    font-size: 21px;
    font-weight: 500;
    line-height: 1.55;
}

.bl-hero-project a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, .66);
    font-size: 12px;
}

.bl-hero-project a:hover {
    color: var(--bl-white);
}

/* Promise */
.bl-promise {
    position: relative;
    z-index: 4;
    margin-top: -1px;
    background: var(--bl-sand);
}

.bl-promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.bl-promise-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 34px 32px;
    border-left: 1px solid var(--bl-line);
}

.bl-promise-item:last-child {
    border-right: 1px solid var(--bl-line);
}

.bl-promise-item svg {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    color: var(--bl-clay);
}

.bl-promise-item strong {
    display: block;
    font-family: var(--bl-serif);
    font-size: 18px;
    font-weight: 600;
}

.bl-promise-item p {
    margin: 6px 0 0;
    color: rgba(32, 39, 36, .56);
    font-size: 12px;
    line-height: 1.7;
}

/* Introduction */
.bl-intro {
    background: var(--bl-paper);
}

.bl-intro-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: clamp(60px, 9vw, 150px);
    align-items: end;
}

.bl-intro-note {
    padding-left: 36px;
    border-left: 1px solid var(--bl-line);
}

.bl-intro-note p {
    margin: 0 0 38px;
    color: rgba(32, 39, 36, .68);
    font-size: 15px;
    line-height: 2;
}

.bl-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.bl-metric {
    padding-top: 18px;
    border-top: 1px solid var(--bl-line);
}

.bl-metric strong {
    display: block;
    font-family: var(--bl-serif);
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 500;
    line-height: 1.1;
}

.bl-metric span {
    display: block;
    margin-top: 8px;
    color: rgba(32, 39, 36, .5);
    font-size: 11px;
    letter-spacing: .08em;
}

.bl-answer-card {
    max-width: 590px;
    margin-top: 38px;
    padding: 28px 30px;
    border: 1px solid var(--bl-line);
    background: rgba(255, 255, 255, .48);
}

.bl-answer-card strong {
    display: block;
    margin-bottom: 12px;
    color: var(--bl-clay);
    font-size: 11px;
    letter-spacing: .16em;
}

.bl-answer-card p {
    margin: 0;
    color: rgba(32, 39, 36, .76);
    font-size: 15px;
    line-height: 1.9;
}

.bl-answer-points {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.bl-answer-points li {
    padding: 7px 11px;
    border: 1px solid var(--bl-line);
    color: rgba(32, 39, 36, .66);
    font-size: 11px;
}

/* Products */
.bl-products {
    background: #e9e8e1;
}

.bl-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.bl-product-card {
    position: relative;
    display: block;
    min-height: 430px;
    overflow: hidden;
    background: #d9dbd3;
}

.bl-product-card img {
    width: 100%;
    height: 100%;
    min-height: 430px;
    object-fit: cover;
    transition: transform .65s cubic-bezier(.2, .65, .25, 1);
}

.bl-product-card::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(20, 28, 24, .78) 0%, rgba(20, 28, 24, .02) 62%);
    content: "";
}

.bl-product-card:hover img {
    transform: scale(1.045);
}

.bl-product-num {
    position: absolute;
    z-index: 2;
    top: 22px;
    left: 24px;
    color: rgba(255, 255, 255, .8);
    font-family: var(--bl-serif);
    font-size: 13px;
    letter-spacing: .16em;
}

.bl-product-body {
    position: absolute;
    z-index: 2;
    right: 26px;
    bottom: 26px;
    left: 26px;
    color: var(--bl-white);
}

.bl-product-body h3 {
    margin: 0;
    font-family: var(--bl-serif);
    font-size: clamp(24px, 2.3vw, 34px);
    font-weight: 500;
    line-height: 1.3;
}

.bl-product-body span {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 15px;
    color: rgba(255, 255, 255, .72);
    font-size: 11px;
    letter-spacing: .12em;
}

.bl-product-body span::after {
    width: 30px;
    height: 1px;
    background: currentColor;
    content: "";
}

/* Expertise */
.bl-expertise {
    overflow: hidden;
    color: var(--bl-white);
    background: var(--bl-forest);
}

.bl-expertise-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: clamp(50px, 8vw, 120px);
    align-items: center;
}

.bl-expertise .bl-kicker {
    color: var(--bl-sage);
}

.bl-expertise .bl-title {
    color: var(--bl-white);
}

.bl-expertise .bl-copy {
    color: rgba(255, 255, 255, .62);
}

.bl-feature-list {
    margin: 38px 0 0;
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, .18);
    list-style: none;
}

.bl-feature-list li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.bl-feature-list b {
    color: var(--bl-sage);
    font-family: var(--bl-serif);
    font-size: 14px;
    font-weight: 500;
}

.bl-feature-list strong {
    display: block;
    font-family: var(--bl-serif);
    font-size: 20px;
    font-weight: 500;
}

.bl-feature-list p {
    margin: 7px 0 0;
    color: rgba(255, 255, 255, .55);
    font-size: 13px;
    line-height: 1.8;
}

.bl-expertise-visual {
    position: relative;
    min-height: 660px;
}

.bl-expertise-visual img {
    width: 100%;
    height: 660px;
    object-fit: cover;
}

.bl-expertise-visual::before {
    position: absolute;
    z-index: 2;
    top: -24px;
    right: -24px;
    width: 52%;
    height: 52%;
    border-top: 1px solid rgba(255, 255, 255, .34);
    border-right: 1px solid rgba(255, 255, 255, .34);
    content: "";
    pointer-events: none;
}

.bl-expertise-caption {
    position: absolute;
    z-index: 3;
    right: -28px;
    bottom: 42px;
    width: min(330px, 78%);
    padding: 26px 28px;
    color: var(--bl-ink);
    background: var(--bl-sand);
}

.bl-expertise-caption span {
    color: var(--bl-clay);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .16em;
}

.bl-expertise-caption h3 {
    margin: 10px 0 0;
    font-family: var(--bl-serif);
    font-size: 21px;
    font-weight: 500;
    line-height: 1.55;
}

/* Cases */
.bl-cases {
    background: var(--bl-paper);
}

.bl-case-grid {
    display: grid;
    grid-template-columns: 1.35fr .8fr;
    grid-template-rows: 276px 276px;
    gap: 20px;
}

.bl-case-card {
    position: relative;
    display: block;
    overflow: hidden;
    background: #d8d8d1;
}

.bl-case-card:first-child {
    grid-row: span 2;
}

.bl-case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .65s cubic-bezier(.2, .65, .25, 1);
}

.bl-case-card:hover img {
    transform: scale(1.045);
}

.bl-case-card::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(20, 28, 24, .72), transparent 58%);
    content: "";
}

.bl-case-info {
    position: absolute;
    z-index: 2;
    right: 24px;
    bottom: 24px;
    left: 24px;
    color: var(--bl-white);
}

.bl-case-info span {
    font-size: 10px;
    letter-spacing: .18em;
}

.bl-case-info h3 {
    margin: 10px 0 0;
    font-family: var(--bl-serif);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
}

.bl-case-card:first-child .bl-case-info h3 {
    max-width: 620px;
    font-size: clamp(26px, 3vw, 38px);
}

/* Process */
.bl-process {
    padding: 116px 0;
    background: var(--bl-sand);
}

.bl-process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    margin-top: 62px;
}

.bl-process-item {
    position: relative;
    padding: 0 26px 0 0;
}

.bl-process-item::before {
    position: absolute;
    top: 28px;
    right: 10px;
    left: 58px;
    height: 1px;
    background: var(--bl-line);
    content: "";
}

.bl-process-item:last-child::before {
    display: none;
}

.bl-process-num {
    position: relative;
    z-index: 2;
    display: grid;
    width: 56px;
    height: 56px;
    border: 1px solid var(--bl-line);
    border-radius: 50%;
    background: var(--bl-sand);
    font-family: var(--bl-serif);
    font-size: 14px;
    place-items: center;
}

.bl-process-item h3 {
    margin: 24px 0 0;
    font-family: var(--bl-serif);
    font-size: 20px;
    font-weight: 500;
}

.bl-process-item p {
    margin: 9px 0 0;
    color: rgba(32, 39, 36, .55);
    font-size: 12px;
    line-height: 1.8;
}

/* About */
.bl-about {
    background: var(--bl-paper);
}

.bl-about-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: clamp(60px, 10vw, 160px);
    align-items: start;
}

.bl-about-aside {
    position: sticky;
    top: 40px;
}

.bl-about-mark {
    margin-top: 56px;
    color: rgba(32, 39, 36, .1);
    font-family: var(--bl-serif);
    font-size: clamp(72px, 11vw, 160px);
    letter-spacing: -.08em;
    line-height: .9;
}

.bl-about-content {
    padding-top: 8px;
}

.bl-about-content > p {
    margin: 0 0 26px;
    color: rgba(32, 39, 36, .72);
    font-family: var(--bl-serif);
    font-size: clamp(19px, 1.65vw, 25px);
    line-height: 1.8;
}

.bl-about-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    margin-top: 44px;
    background: var(--bl-line);
}

.bl-about-fact {
    padding: 26px 28px;
    background: var(--bl-paper);
}

.bl-about-fact strong {
    display: block;
    font-family: var(--bl-serif);
    font-size: 26px;
    font-weight: 500;
}

.bl-about-fact span {
    display: block;
    margin-top: 8px;
    color: rgba(32, 39, 36, .48);
    font-size: 11px;
    line-height: 1.7;
}

.bl-updated {
    margin: 26px 0 0;
    color: rgba(32, 39, 36, .42);
    font-size: 10px;
    letter-spacing: .08em;
}

/* FAQ */
.bl-faq {
    padding: 100px 0;
    background: #e9e8e1;
}

.bl-faq-grid {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: clamp(56px, 9vw, 130px);
    align-items: start;
}

.bl-faq-intro {
    position: sticky;
    top: 30px;
}

.bl-faq-list {
    border-top: 1px solid rgba(32, 39, 36, .42);
}

.bl-faq-item {
    border-bottom: 1px solid var(--bl-line);
}

.bl-faq-item summary {
    position: relative;
    padding: 25px 46px 25px 0;
    color: var(--bl-ink);
    font-family: var(--bl-serif);
    font-size: 19px;
    line-height: 1.5;
    list-style: none;
    cursor: pointer;
}

.bl-faq-item summary::-webkit-details-marker {
    display: none;
}

.bl-faq-item summary::after {
    position: absolute;
    top: 50%;
    right: 8px;
    color: var(--bl-clay);
    font-family: var(--bl-sans);
    font-size: 22px;
    font-weight: 300;
    content: "+";
    transform: translateY(-50%);
}

.bl-faq-item[open] summary::after {
    content: "−";
}

.bl-faq-answer {
    padding: 0 48px 26px 0;
}

.bl-faq-answer p {
    margin: 0;
    color: rgba(32, 39, 36, .66);
    font-size: 14px;
    line-height: 1.9;
}

/* News */
.bl-news {
    padding-top: 0;
    background: var(--bl-paper);
}

.bl-news-wrap {
    padding: 88px 0;
    border-top: 1px solid var(--bl-line);
}

.bl-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.bl-news-col {
    padding-top: 20px;
    border-top: 1px solid var(--bl-ink);
}

.bl-news-col-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 26px;
}

.bl-news-col-head h3 {
    margin: 0;
    font-family: var(--bl-serif);
    font-size: 22px;
    font-weight: 500;
}

.bl-news-col-head a {
    color: rgba(32, 39, 36, .48);
    font-size: 11px;
}

.bl-news-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.bl-news-list li {
    border-bottom: 1px solid var(--bl-line);
}

.bl-news-list a {
    display: block;
    padding: 18px 0;
}

.bl-news-list time {
    display: block;
    margin-bottom: 7px;
    color: var(--bl-clay);
    font-family: var(--bl-serif);
    font-size: 11px;
}

.bl-news-list p {
    margin: 0;
    color: rgba(32, 39, 36, .82);
    font-size: 14px;
    line-height: 1.7;
    transition: color .2s ease;
}

.bl-news-list a:hover p {
    color: var(--bl-clay);
}

/* Contact */
.bl-contact {
    position: relative;
    overflow: hidden;
    padding: 108px 0;
    color: var(--bl-white);
    background: var(--bl-forest);
}

.bl-contact::before {
    position: absolute;
    top: -360px;
    right: -210px;
    width: 760px;
    height: 760px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 50%;
    content: "";
}

.bl-contact::after {
    position: absolute;
    top: -230px;
    right: -80px;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 50%;
    content: "";
}

.bl-contact-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 70px;
    align-items: end;
}

.bl-contact .bl-kicker {
    color: var(--bl-sage);
}

.bl-contact h2 {
    max-width: 840px;
    margin: 0;
    font-family: var(--bl-serif);
    font-size: clamp(42px, 5.5vw, 80px);
    font-weight: 400;
    letter-spacing: -.05em;
    line-height: 1.15;
}

.bl-contact p {
    margin: 25px 0 0;
    color: rgba(255, 255, 255, .6);
    font-size: 15px;
    line-height: 1.9;
}

.bl-contact-side {
    min-width: 280px;
}

.bl-contact-side span {
    display: block;
    color: rgba(255, 255, 255, .55);
    font-size: 10px;
    letter-spacing: .16em;
}

.bl-contact-side a {
    display: block;
    margin: 10px 0 30px;
    color: var(--bl-white);
    font-family: var(--bl-serif);
    font-size: clamp(26px, 3vw, 38px);
    white-space: nowrap;
}

.bl-contact-side a:hover {
    color: var(--bl-sage);
}

/* Footer */
.bl-footer {
    color: rgba(255, 255, 255, .62);
    background: #1d2622;
}

.bl-footer-main {
    display: grid;
    grid-template-columns: 1.3fr .7fr .7fr 1.2fr;
    gap: 64px;
    padding: 74px 0 62px;
}

.bl-footer-brand img {
    width: 205px;
    margin-bottom: 24px;
    filter: brightness(0) invert(1);
    opacity: .92;
}

.bl-footer-brand p {
    max-width: 320px;
    margin: 0;
    font-size: 12px;
    line-height: 1.9;
}

.bl-footer h3 {
    margin: 0 0 22px;
    color: var(--bl-white);
    font-family: var(--bl-serif);
    font-size: 16px;
    font-weight: 500;
}

.bl-footer ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.bl-footer li {
    margin: 0 0 12px;
    font-size: 12px;
    line-height: 1.7;
}

.bl-footer a:hover {
    color: var(--bl-white);
}

.bl-footer-contact p {
    margin: 0 0 10px;
    font-size: 12px;
    line-height: 1.75;
}

.bl-footer-contact strong {
    color: var(--bl-white);
    font-family: var(--bl-serif);
    font-size: 23px;
    font-weight: 500;
}

.bl-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, .1);
    font-size: 11px;
}

.bl-flinks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
}

.bl-mobile-bar {
    display: none;
}

@media (max-width: 1180px) {
    .bl-container {
        width: min(100% - 48px, 1280px);
    }

    .bl-nav-inner {
        gap: 26px;
    }

    .bl-brand img {
        width: 170px;
    }

    .bl-nav {
        gap: 20px;
    }

    .bl-header-call {
        display: none;
    }

    .bl-hero-inner {
        grid-template-columns: 1fr;
    }

    .bl-hero-project {
        display: none;
    }

    .bl-expertise-grid {
        grid-template-columns: .9fr 1.1fr;
        gap: 48px;
    }

    .bl-expertise-caption {
        right: 20px;
    }
}

@media (max-width: 900px) {
    .bl-section {
        padding: 90px 0;
    }

    .bl-menu-toggle {
        display: block;
    }

    .bl-nav-inner {
        min-height: 76px;
    }

    .bl-brand img {
        width: 156px;
    }

    .bl-nav {
        position: absolute;
        z-index: 50;
        top: 100%;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 24px 24px;
        border-top: 1px solid var(--bl-line);
        background: var(--bl-paper);
        box-shadow: 0 20px 30px rgba(20, 28, 24, .12);
    }

    .bl-nav.is-open {
        display: flex;
    }

    .bl-nav > li > a {
        padding: 15px 0;
        border-bottom: 1px solid var(--bl-line);
    }

    .bl-nav > li > a::after {
        display: none;
    }

    .bl-section-head {
        display: block;
    }

    .bl-section-head .bl-copy {
        margin-top: 18px;
    }

    .bl-section-head .bl-text-link {
        margin-top: 24px;
    }

    .bl-promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bl-promise-item:nth-child(2) {
        border-right: 1px solid var(--bl-line);
    }

    .bl-promise-item:nth-child(n+3) {
        border-top: 1px solid var(--bl-line);
    }

    .bl-intro-grid,
    .bl-expertise-grid,
    .bl-about-grid,
    .bl-faq-grid {
        grid-template-columns: 1fr;
    }

    .bl-intro-note {
        padding: 0;
        border: 0;
    }

    .bl-product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bl-expertise-grid {
        gap: 70px;
    }

    .bl-expertise-visual,
    .bl-expertise-visual img {
        min-height: 540px;
        height: 540px;
    }

    .bl-expertise-caption {
        right: 22px;
    }

    .bl-case-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: 440px 260px;
    }

    .bl-case-card:first-child {
        grid-column: span 2;
        grid-row: auto;
    }

    .bl-process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 34px 0;
    }

    .bl-process-item:nth-child(even)::before {
        display: none;
    }

    .bl-news-grid {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .bl-faq-intro {
        position: static;
    }

    .bl-contact-grid {
        grid-template-columns: 1fr;
        gap: 36px;
        align-items: start;
    }

    .bl-contact-side {
        min-width: 0;
    }

    .bl-footer-main {
        grid-template-columns: 1.2fr 1fr 1.2fr;
        gap: 44px;
    }

    .bl-footer-brand {
        grid-column: span 3;
    }
}

@media (max-width: 640px) {
    .bl-container {
        width: calc(100% - 36px);
    }

    body.bl-home {
        padding-bottom: 58px;
    }

    .bl-utility-inner {
        font-size: 10px;
    }

    .bl-utility-group span:first-child,
    .bl-utility-group a:first-child {
        display: none;
    }

    .bl-hero {
        min-height: 660px;
    }

    .bl-hero-bg {
        background-position: 64% center;
    }

    .bl-hero::after {
        background:
            linear-gradient(90deg, rgba(20, 28, 24, .9), rgba(20, 28, 24, .34)),
            linear-gradient(0deg, rgba(20, 28, 24, .6), transparent 60%);
    }

    .bl-hero-inner {
        min-height: 660px;
        padding: 64px 0 44px;
    }

    .bl-kicker {
        margin-bottom: 15px;
        font-size: 10px;
    }

    .bl-hero h1 {
        font-size: clamp(50px, 15vw, 72px);
        letter-spacing: -.07em;
    }

    .bl-hero-lead {
        margin-top: 22px;
        font-size: 14px;
        line-height: 1.8;
    }

    .bl-actions {
        margin-top: 28px;
    }

    .bl-btn {
        min-height: 48px;
        padding: 0 22px;
    }

    .bl-promise-item {
        display: block;
        padding: 22px 16px;
    }

    .bl-promise-item svg {
        margin-bottom: 13px;
    }

    .bl-promise-item strong {
        font-size: 16px;
    }

    .bl-promise-item p {
        font-size: 10px;
    }

    .bl-section,
    .bl-process,
    .bl-faq {
        padding: 76px 0;
    }

    .bl-title {
        font-size: 38px;
    }

    .bl-copy {
        font-size: 14px;
    }

    .bl-section-head {
        margin-bottom: 36px;
    }

    .bl-metrics {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .bl-metric {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
    }

    .bl-metric span {
        margin: 0;
        text-align: right;
    }

    .bl-product-grid {
        grid-template-columns: 1fr;
    }

    .bl-product-card,
    .bl-product-card img {
        min-height: 360px;
    }

    .bl-expertise-visual,
    .bl-expertise-visual img {
        min-height: 430px;
        height: 430px;
    }

    .bl-expertise-caption {
        right: 14px;
        bottom: 14px;
        width: calc(100% - 28px);
        padding: 22px;
    }

    .bl-case-grid {
        display: block;
    }

    .bl-case-card {
        height: 360px;
        margin-bottom: 16px;
    }

    .bl-case-card:first-child .bl-case-info h3 {
        font-size: 24px;
    }

    .bl-process-grid {
        grid-template-columns: 1fr;
        gap: 0;
        margin-top: 38px;
    }

    .bl-process-item {
        display: grid;
        grid-template-columns: 56px 1fr;
        column-gap: 20px;
        padding: 0 0 28px;
    }

    .bl-process-item::before {
        top: 56px;
        bottom: 0;
        left: 27px;
        width: 1px;
        height: auto;
    }

    .bl-process-item h3 {
        margin-top: 8px;
    }

    .bl-process-item p {
        grid-column: 2;
    }

    .bl-about-facts {
        grid-template-columns: 1fr;
    }

    .bl-answer-card {
        padding: 22px;
    }

    .bl-faq-item summary {
        font-size: 17px;
    }

    .bl-about-mark {
        margin-top: 32px;
    }

    .bl-news-wrap {
        padding: 58px 0;
    }

    .bl-contact {
        padding: 76px 0;
    }

    .bl-contact h2 {
        font-size: 42px;
    }

    .bl-footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 38px 24px;
        padding: 56px 0 44px;
    }

    .bl-footer-brand {
        grid-column: span 2;
    }

    .bl-footer-contact {
        grid-column: span 2;
    }

    .bl-footer-bottom {
        display: block;
    }

    .bl-footer-bottom > div {
        margin-top: 10px;
    }

    .bl-mobile-bar {
        position: fixed;
        z-index: 80;
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        border-top: 1px solid rgba(255, 255, 255, .12);
        background: var(--bl-forest);
    }

    .bl-mobile-bar a {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 56px;
        color: var(--bl-white);
        font-size: 13px;
    }

    .bl-mobile-bar a:first-child {
        border-right: 1px solid rgba(255, 255, 255, .12);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .bl-home *,
    .bl-home *::before,
    .bl-home *::after {
        transition-duration: .01ms !important;
    }
}