:root {
    --color-primary: #0b2d4d;
    --color-primary-light: #1e5b8c;
    --color-accent: #c89b3c;
    --color-background: #ffffff;
    --color-background-soft: #f5f7f9;
    --color-text: #263238;
    --color-text-light: #66737d;
    --color-border: #e3e8ed;
    --color-dark: #071f37;

    --font-primary: Inter, "Noto Sans SC", Arial, sans-serif;

    --container-width: 1180px;
    --header-height: 82px;

    --radius-small: 8px;
    --radius-medium: 16px;
    --radius-large: 24px;

    --shadow-small: 0 8px 24px rgba(11, 45, 77, 0.08);
    --shadow-medium: 0 18px 50px rgba(11, 45, 77, 0.12);

    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

ul,
ol {
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--color-primary);
    line-height: 1.15;
}

h1 {
    font-size: clamp(3rem, 6vw, 5.2rem);
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2.1rem, 4vw, 3.6rem);
    letter-spacing: -0.03em;
}

h3 {
    font-size: 1.35rem;
}

p {
    color: var(--color-text-light);
}

:focus-visible {
    outline: 3px solid rgba(200, 155, 60, 0.55);
    outline-offset: 3px;
}

.container {
    width: min(var(--container-width), calc(100% - 40px));
    margin-inline: auto;
}

.section {
    padding: 110px 0;
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 58px;
    text-align: center;
}

.section-heading p:last-child {
    margin-bottom: 0;
}

.section-label,
.eyebrow {
    margin-bottom: 14px;
    color: var(--color-accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary-light);
    font-weight: 700;
}

.text-link::after {
    content: "→";
    transition: transform var(--transition);
}

.text-link:hover::after {
    transform: translateX(5px);
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 13px 24px;
    border: 1px solid transparent;
    border-radius: var(--radius-small);
    font-weight: 750;
    line-height: 1.2;
    cursor: pointer;
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        color var(--transition);
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    color: #ffffff;
    background: var(--color-accent);
    box-shadow: 0 10px 24px rgba(200, 155, 60, 0.24);
}

.button-primary:hover {
    background: #b7892f;
    box-shadow: 0 14px 30px rgba(200, 155, 60, 0.32);
}

.button-secondary {
    color: #ffffff;
    background: transparent;
    border-color: rgba(255, 255, 255, 0.55);
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #ffffff;
}

.button-small {
    min-height: 44px;
    padding: 11px 18px;
    font-size: 0.9rem;
}

/* Header */

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(227, 232, 237, 0.9);
    backdrop-filter: blur(16px);
    transition:
        box-shadow var(--transition),
        background-color var(--transition);
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-small);
}

.header-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-logo {
    display: block;
    width: auto;
    max-width: 58px;
    max-height: 54px;
    object-fit: contain;
}

.brand-text {
    display: grid;
    line-height: 1.2;
}

.brand-text strong {
    color: var(--color-primary);
    font-size: 1rem;
}

.brand-text small {
    margin-top: 3px;
    color: var(--color-text-light);
    font-size: 0.7rem;
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-list a {
    position: relative;
    color: var(--color-primary);
    font-size: 0.93rem;
    font-weight: 700;
}

.nav-list a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -8px;
    left: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.nav-list a:hover::after,
.nav-list a.is-active::after {
    transform: scaleX(1);
}

.language-dropdown {
    position: relative;
    flex-shrink: 0;
    padding-left: 20px;
    border-left: 1px solid var(--color-border);
}

.language-button {
    display: inline-flex;
    min-width: 74px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--color-primary);
    background: #ffffff;
    border: 1px solid rgba(10, 47, 90, 0.18);
    border-radius: 999px;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.language-button:hover,
.language-dropdown.is-open .language-button {
    color: var(--color-primary);
    border-color: var(--color-accent);
    box-shadow: 0 8px 20px rgba(10, 47, 90, 0.12);
}

.language-button:focus-visible,
.language-menu a:focus-visible {
    outline: 3px solid rgba(212, 168, 83, 0.45);
    outline-offset: 3px;
}

.language-arrow {
    display: inline-flex;
    transform-origin: center;
    transition: transform var(--transition);
}

.language-dropdown.is-open .language-arrow {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 1200;
    display: grid;
    min-width: 138px;
    padding: 8px;
    list-style: none;
    background: #ffffff;
    border: 1px solid rgba(10, 47, 90, 0.14);
    border-radius: 14px;
    box-shadow: 0 16px 36px rgba(10, 47, 90, 0.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    visibility: hidden;
    transition:
        opacity var(--transition),
        transform var(--transition),
        visibility var(--transition);
}

.language-dropdown.is-open .language-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
}

.language-menu a {
    display: flex;
    align-items: center;
    min-height: 38px;
    padding: 9px 12px;
    color: var(--color-primary);
    border-radius: 10px;
    font-size: 0.84rem;
    font-weight: 800;
}

.language-menu a:hover,
.language-menu a:focus-visible,
.language-menu a.is-active {
    color: #ffffff;
    background: var(--color-primary);
}

.language-menu a:active {
    background: var(--color-accent);
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    transition:
        transform var(--transition),
        opacity var(--transition);
}

/* Hero */

.hero-section {
    position: relative;
    display: flex;
    min-height: 760px;
    align-items: center;
    padding: calc(var(--header-height) + 100px) 0 110px;
    color: #ffffff;
    background:
        linear-gradient(
            90deg,
            rgba(5, 28, 50, 0.92) 0%,
            rgba(5, 28, 50, 0.78) 48%,
            rgba(5, 28, 50, 0.42) 100%
        ),
        url("../images/hero-trade.svg") center / cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            circle at 72% 40%,
            rgba(30, 91, 140, 0.2),
            transparent 42%
        );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    max-width: 880px;
    margin-bottom: 26px;
    color: #ffffff;
}

.hero-description {
    max-width: 700px;
    margin-bottom: 34px;
    color: rgba(255, 255, 255, 0.82);
    font-size: clamp(1.05rem, 1.8vw, 1.28rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 46px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
}

.hero-tags li {
    padding: 9px 15px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
}

/* About */

.two-column-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 72px;
}

.section-content h2 {
    max-width: 720px;
    margin-bottom: 26px;
}

.section-content p {
    font-size: 1.03rem;
}

.image-frame {
    position: relative;
}

.image-frame::before {
    content: "";
    position: absolute;
    top: -18px;
    right: -18px;
    width: 42%;
    height: 42%;
    background: var(--color-accent);
    border-radius: var(--radius-medium);
    opacity: 0.2;
}

.image-frame img {
    position: relative;
    z-index: 1;
    min-height: 480px;
    object-fit: cover;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
}

/* Services */

.services-section {
    background: var(--color-background-soft);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.service-card {
    display: grid;
    grid-template-columns: 42% 58%;
    min-height: 330px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
}

.service-image {
    min-height: 100%;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.04);
}

.service-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
}

.service-number {
    margin-bottom: 38px;
    color: var(--color-accent);
    font-weight: 900;
    letter-spacing: 0.08em;
}

.service-content h3 {
    margin-bottom: 14px;
}

.service-content p {
    flex-grow: 1;
    margin-bottom: 20px;
}

/* Case Studies */

.featured-cases-section {
    background: #ffffff;
}

.featured-case-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.featured-case-card {
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.featured-case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
}

.featured-case-card > a {
    display: block;
}

.featured-case-card img {
    aspect-ratio: 4 / 3;
    width: 100%;
    object-fit: cover;
    background: var(--color-background-soft);
}

.featured-case-content {
    padding: 26px;
}

.case-category {
    display: inline-flex;
    margin-bottom: 16px;
    color: var(--color-accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.featured-case-content h3 {
    margin-bottom: 12px;
}

.featured-case-content p {
    margin-bottom: 20px;
}

.section-action {
    display: flex;
    justify-content: center;
    margin-top: 42px;
}

.cases-hero {
    background:
        linear-gradient(
            135deg,
            rgba(7, 31, 55, 0.96),
            rgba(10, 47, 90, 0.9)
        ),
        url("../images/china-europe-route.svg") center / cover no-repeat;
}

.case-study-list {
    background: var(--color-background-soft);
}

.case-study {
    display: grid;
    grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
    gap: 34px;
    align-items: start;
    padding: 34px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-small);
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.case-study + .case-study {
    margin-top: 34px;
}

.case-study-image img {
    aspect-ratio: 4 / 3;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--color-background-soft);
    border-radius: var(--radius-medium);
}

.case-study-content h2 {
    margin-bottom: 16px;
}

.case-meta {
    margin-bottom: 28px;
    color: var(--color-text);
}

.case-meta strong {
    color: var(--color-primary);
}

.case-detail-grid {
    display: grid;
    gap: 18px;
}

.case-detail-grid h3,
.case-services h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.case-detail-grid p {
    margin-bottom: 0;
}

.case-services {
    margin-top: 28px;
    padding: 22px;
    background: var(--color-background-soft);
    border-radius: var(--radius-medium);
}

.case-services ul {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
}

.case-services li {
    padding: 7px 11px;
    color: var(--color-primary);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
}

.cases-overview-section {
    background: var(--color-background-soft);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.cases-card {
    display: grid;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.cases-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.cases-card-image {
    display: block;
}

.featured-case-image,
.cases-card-image img {
    aspect-ratio: 16 / 10;
    width: 100%;
    object-fit: cover;
    background: var(--color-background-soft);
}

.cases-card-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
}

.cases-card-content h2 {
    margin-bottom: 12px;
    font-size: clamp(1.35rem, 2vw, 1.85rem);
}

.case-client {
    margin-bottom: 16px;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 800;
}

.cases-card-content p:not(.case-client) {
    flex-grow: 1;
}

.case-detail-hero {
    padding: calc(var(--header-height) + 86px) 0 88px;
    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            rgba(7, 31, 55, 0.96),
            rgba(10, 47, 90, 0.92)
        );
}

.case-detail-hero h1 {
    max-width: 860px;
    margin-bottom: 18px;
    color: #ffffff;
}

.case-detail-hero p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.78);
}

.case-detail-hero .case-category,
.case-detail-hero .case-client {
    color: var(--color-accent);
}

.case-detail-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
    align-items: center;
    gap: 54px;
}

.case-detail-hero-image img {
    aspect-ratio: 4 / 3;
    width: 100%;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-large);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.16);
}

.back-to-cases {
    display: inline-flex;
    margin-top: 14px;
    color: #ffffff;
    font-weight: 800;
}

.back-to-cases:hover {
    color: var(--color-accent);
}

.case-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.68fr) minmax(280px, 0.32fr);
    align-items: start;
    gap: 42px;
}

.case-detail-main {
    display: grid;
    gap: 22px;
}

.case-section {
    padding: 30px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
}

.case-section h2 {
    margin-bottom: 12px;
    font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.case-section p {
    margin-bottom: 0;
}

.case-detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    display: grid;
    gap: 18px;
    padding: 24px;
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
}

.case-sidebar-card {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--color-border);
}

.case-sidebar-card h2 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.case-sidebar-card p {
    margin-bottom: 0;
}

.case-services-list,
.related-services {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
}

.case-services-list li,
.related-services li {
    padding: 7px 11px;
    color: var(--color-primary);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
}

.case-navigation {
    padding-top: 0;
    background: var(--color-background-soft);
}

.case-navigation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.case-navigation-link {
    display: grid;
    gap: 8px;
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.case-navigation-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.case-navigation-link span {
    color: var(--color-accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-navigation-link strong {
    color: var(--color-primary);
    line-height: 1.25;
}

.case-cta {
    background: var(--color-background-soft);
}

.case-cta-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
}

/* Insights / Blog */

.latest-insights-section,
.cases-overview-section {
    background: var(--color-background-soft);
}

.insights-grid,
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.insight-card,
.article-card {
    display: flex;
    overflow: hidden;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.insight-card:hover,
.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.insight-image,
.featured-article-image {
    display: block;
}

.insight-image img,
.article-card img,
.featured-article-image img,
.article-hero-image img {
    aspect-ratio: 16 / 10;
    width: 100%;
    object-fit: cover;
    background: var(--color-background-soft);
}

.insight-content,
.article-card-content,
.featured-article-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 26px;
}

.insight-category {
    display: inline-flex;
    margin-bottom: 10px;
    color: var(--color-accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.insight-meta,
.article-meta {
    margin-bottom: 14px;
    color: var(--color-text-light);
    font-size: 0.84rem;
    font-weight: 700;
}

.insight-content h3,
.article-card-content h2 {
    margin-bottom: 12px;
}

.insight-excerpt,
.article-card-content p:not(.insight-meta) {
    flex-grow: 1;
}

.insights-hero {
    background:
        linear-gradient(
            135deg,
            rgba(7, 31, 55, 0.96),
            rgba(10, 47, 90, 0.9)
        ),
        url("../images/china-europe-route.svg") center / cover no-repeat;
}

.featured-article {
    display: grid;
    grid-template-columns: minmax(0, 0.48fr) minmax(0, 0.52fr);
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-small);
}

.featured-article-content {
    justify-content: center;
    padding: 38px;
}

.featured-article-content h2 {
    margin-bottom: 16px;
}

.article-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 34px;
    list-style: none;
}

.article-categories li {
    padding: 8px 13px;
    color: var(--color-primary);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 800;
}

.article-hero {
    padding: calc(var(--header-height) + 76px) 0 80px;
    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            rgba(7, 31, 55, 0.96),
            rgba(10, 47, 90, 0.92)
        );
}

.article-hero h1 {
    max-width: 920px;
    margin-bottom: 20px;
    color: #ffffff;
}

.article-hero p {
    max-width: 780px;
    color: rgba(255, 255, 255, 0.78);
}

.article-breadcrumb {
    margin-bottom: 26px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.9rem;
}

.article-breadcrumb a {
    color: #ffffff;
    font-weight: 800;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.68fr) minmax(280px, 0.32fr);
    align-items: start;
    gap: 42px;
}

.article-main {
    min-width: 0;
}

.article-content {
    display: grid;
    gap: 28px;
    max-width: 820px;
}

.article-content section {
    padding: 28px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
}

.article-content h2 {
    margin-bottom: 12px;
    font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.article-content p:last-child {
    margin-bottom: 0;
}

.article-introduction {
    color: var(--color-text);
    font-size: 1.08rem;
}

.article-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    display: grid;
    gap: 18px;
}

.table-of-contents,
.related-service,
.related-case,
.related-insight,
.related-articles {
    padding: 24px;
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.table-of-contents h2,
.related-service h2,
.related-case h2,
.related-insight h2,
.related-articles h2 {
    margin-bottom: 14px;
    font-size: 1.05rem;
}

.table-of-contents ol,
.related-articles ul {
    display: grid;
    gap: 9px;
    padding-left: 18px;
}

.table-of-contents a,
.related-service a,
.related-case a,
.related-insight a,
.related-articles a {
    color: var(--color-primary);
    font-weight: 800;
}

.article-cta {
    background: var(--color-background-soft);
}

/* Advantages */

.advantages-section {
    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            var(--color-primary),
            var(--color-dark)
        );
}

.advantages-section h2,
.advantages-section h3 {
    color: #ffffff;
}

.advantages-section .section-heading p:last-child {
    color: rgba(255, 255, 255, 0.72);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.advantage-item {
    min-height: 250px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-medium);
    backdrop-filter: blur(8px);
}

.advantage-item::before {
    content: "";
    display: block;
    width: 36px;
    height: 3px;
    margin-bottom: 28px;
    background: var(--color-accent);
    border-radius: 10px;
}

.advantage-item p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
}

/* Process */

.process-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    list-style: none;
}

.process-step {
    position: relative;
    padding: 30px 26px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.process-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 32px;
    right: -17px;
    z-index: 2;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    color: var(--color-primary);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.process-step > span {
    display: inline-flex;
    margin-bottom: 48px;
    color: var(--color-accent);
    font-weight: 900;
}

.process-step p {
    margin-bottom: 0;
}

/* Trade Route */

.trade-route-section {
    background: var(--color-background-soft);
}

.trade-route-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 60px;
}

.trade-route-content h2 {
    margin-bottom: 24px;
}

.trade-route-visual img {
    min-height: 430px;
    object-fit: cover;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
}

/* Inner Pages */

.page-hero {
    padding: calc(var(--header-height) + 92px) 0 96px;
    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            rgba(7, 31, 55, 0.96),
            rgba(10, 47, 90, 0.92)
        );
}

.page-hero h1,
.page-hero .eyebrow {
    color: #ffffff;
}

.page-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.42fr);
    align-items: end;
    gap: 54px;
}

.page-hero-content h1 {
    max-width: 900px;
    margin-bottom: 24px;
}

.page-hero-content p:last-child {
    max-width: 760px;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(1.05rem, 1.7vw, 1.24rem);
}

.page-hero-card {
    padding: 30px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-large);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(10px);
}

.page-hero-card span {
    display: inline-flex;
    margin-bottom: 18px;
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.page-hero-card strong {
    display: block;
    margin-bottom: 12px;
    color: #ffffff;
    font-size: 1.35rem;
    line-height: 1.25;
}

.page-hero-card p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.72);
}

.direction-section {
    background: var(--color-background-soft);
}

.direction-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.direction-card {
    min-height: 320px;
    padding: 34px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-small);
}

.direction-number {
    display: inline-flex;
    margin-bottom: 54px;
    color: var(--color-accent);
    font-weight: 900;
    letter-spacing: 0.1em;
}

.direction-card h3 {
    margin-bottom: 16px;
}

.direction-card p {
    margin-bottom: 0;
}

.about-values-section {
    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            var(--color-primary),
            var(--color-dark)
        );
}

.about-values-section h2,
.about-values-section h3,
.about-values-section .section-label {
    color: #ffffff;
}

.about-value-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.about-value-item {
    min-height: 270px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-medium);
}

.about-value-item::before {
    content: "";
    display: block;
    width: 36px;
    height: 3px;
    margin-bottom: 28px;
    background: var(--color-accent);
    border-radius: 10px;
}

.about-value-item p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
}

.about-cta-section {
    background: var(--color-background-soft);
}

.about-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 46px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-small);
}

.about-cta h2 {
    max-width: 760px;
    margin-bottom: 0;
}

/* Service Detail Pages */

.service-page-hero {
    overflow: hidden;
}

.service-page-hero .page-hero-card img {
    margin-top: 24px;
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.08);
}

.service-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.28fr);
    align-items: start;
    gap: 46px;
}

.service-detail-main h2 {
    margin-bottom: 24px;
}

.service-detail-main p {
    font-size: 1.03rem;
}

.service-feature-list,
.service-sidebar-list {
    display: grid;
    gap: 16px;
    margin-top: 28px;
    list-style: none;
}

.service-feature-list li,
.service-sidebar-card {
    padding: 22px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
}

.service-feature-list h3 {
    margin-bottom: 8px;
    font-size: 1.08rem;
}

.service-feature-list p,
.service-sidebar-card p {
    margin-bottom: 0;
}

.service-sidebar {
    display: grid;
    gap: 20px;
    position: sticky;
    top: calc(var(--header-height) + 24px);
}

.service-sidebar-card h3 {
    margin-bottom: 14px;
}

.service-sidebar-list {
    gap: 10px;
    margin-top: 0;
}

.service-sidebar-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.service-sidebar-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    margin-top: 10px;
    background: var(--color-accent);
    border-radius: 50%;
}

.service-next-section {
    background: var(--color-background-soft);
}

.service-next-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.service-next-card {
    padding: 26px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
}

.service-next-card span {
    display: inline-flex;
    margin-bottom: 28px;
    color: var(--color-accent);
    font-weight: 900;
    letter-spacing: 0.1em;
}

.service-next-card p {
    margin-bottom: 0;
}

/* Contact */

.contact-section {
    padding: 110px 0;
    background: #ffffff;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 66px;
}

.contact-copy h2 {
    margin-bottom: 24px;
}

.contact-details {
    margin-top: 34px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
}

.contact-details p {
    margin-bottom: 10px;
}

.contact-details a {
    color: var(--color-primary-light);
    font-weight: 700;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding: 34px;
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 750;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 14px;
    color: var(--color-text);
    background: #ffffff;
    border: 1px solid #ced7de;
    border-radius: 8px;
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-light);
    outline: none;
    box-shadow: 0 0 0 4px rgba(30, 91, 140, 0.12);
}

.checkbox-group {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 10px;
}

.checkbox-group input {
    width: 18px;
    height: 18px;
    margin-top: 4px;
}

.checkbox-group label {
    color: var(--color-text-light);
    font-weight: 500;
}

.form-note {
    margin: 14px 0 0;
    font-size: 0.78rem;
}

/* Footer */

.site-footer {
    padding: 74px 0 26px;
    color: #ffffff;
    background: var(--color-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 46px;
    padding-bottom: 52px;
}

.brand-footer {
    gap: 12px;
}

.brand-footer .brand-text strong {
    color: #ffffff;
}

.brand-footer .brand-text small {
    color: rgba(255, 255, 255, 0.58);
}

.footer-brand p {
    max-width: 340px;
    margin-top: 22px;
    color: rgba(255, 255, 255, 0.65);
}

.site-footer h3 {
    margin-bottom: 18px;
    color: #ffffff;
    font-size: 1rem;
}

.footer-links {
    display: grid;
    gap: 10px;
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.66);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.82rem;
}

.footer-languages {
    display: flex;
    gap: 14px;
}

.footer-languages a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.78rem;
    font-weight: 700;
}

/* Tablet */

@media (max-width: 1100px) {
    .main-navigation {
        gap: 16px;
    }

    .nav-list {
        gap: 16px;
    }

    .language-dropdown {
        padding-left: 14px;
    }

    .featured-case-grid,
    .insights-grid,
    .article-grid,
    .cases-grid,
    .advantage-grid,
    .process-list,
    .about-value-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .process-step::after {
        display: none !important;
    }

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

@media (max-width: 900px) {
    :root {
        --header-height: 72px;
    }

    .section,
    .contact-section {
        padding: 82px 0;
    }

    .menu-toggle {
        display: flex;
    }

    .main-navigation {
        position: fixed;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: grid;
        max-height: 0;
        overflow: hidden;
        padding: 0 20px;
        background: #ffffff;
        border-bottom: 1px solid var(--color-border);
        opacity: 0;
        pointer-events: none;
        transition:
            max-height 0.35s ease,
            opacity 0.25s ease,
            padding 0.35s ease;
    }

    .main-navigation.is-open {
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        padding-top: 24px;
        padding-bottom: 28px;
        opacity: 1;
        pointer-events: auto;
    }

    .nav-list {
        display: grid;
        gap: 0;
    }

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

    .nav-list a {
        display: block;
        padding: 15px 0;
        font-size: 1rem;
    }

    .nav-list a::after {
        display: none;
    }

    .language-dropdown {
        width: 100%;
        padding: 4px 0;
        border-left: 0;
    }

    .language-button {
        width: 100%;
        justify-content: space-between;
        min-height: 46px;
        padding: 12px 14px;
        border-radius: 12px;
    }

    .language-menu {
        position: static;
        width: 100%;
        min-width: 0;
        margin-top: 8px;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        visibility: visible;
    }

    .language-dropdown:not(.is-open) .language-menu {
        display: none;
    }

    .main-navigation .button {
        width: 100%;
    }

    .page-hero {
        padding: calc(var(--header-height) + 70px) 0 76px;
    }

    .page-hero-layout,
    .direction-grid,
    .service-detail-layout,
    .featured-article,
    .article-layout,
    .case-study,
    .case-detail-hero-layout,
    .case-detail-layout {
        grid-template-columns: 1fr;
    }

    .case-detail-sidebar {
        position: static;
    }

    .article-sidebar {
        position: static;
    }

    .page-hero-card {
        max-width: 560px;
    }

    .about-cta {
        display: grid;
        padding: 34px;
    }

    .about-cta .button {
        width: 100%;
    }

    .service-sidebar {
        position: static;
    }

    .service-next-grid {
        grid-template-columns: 1fr;
    }

    .menu-toggle.is-active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.is-active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-section {
        min-height: 690px;
        padding-top: calc(var(--header-height) + 80px);
        background-position: 62% center;
    }

    .two-column-layout,
    .trade-route-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .image-frame img,
    .trade-route-visual img {
        min-height: 360px;
    }
}

/* Mobile */

@media (max-width: 620px) {
    .container {
        width: min(100% - 28px, var(--container-width));
    }

    .section,
    .contact-section {
        padding: 68px 0;
    }

    .brand-text small {
        display: none;
    }

    .brand-logo {
        max-width: 142px;
        max-height: 46px;
    }

    .hero-section {
        min-height: 650px;
        padding-bottom: 76px;
        background:
            linear-gradient(
                rgba(5, 28, 50, 0.88),
                rgba(5, 28, 50, 0.84)
            ),
            url("../images/hero-trade.svg") 58% center / cover no-repeat;
    }

    .hero-content h1 {
        font-size: clamp(2.6rem, 13vw, 4rem);
    }

    .hero-actions {
        display: grid;
    }

    .hero-actions .button {
        width: 100%;
    }

    .hero-tags {
        gap: 8px;
    }

    .hero-tags li {
        padding: 8px 12px;
        font-size: 0.76rem;
    }

    .service-card {
        grid-template-columns: 1fr;
    }

    .service-image {
        min-height: 230px;
    }

    .service-content {
        padding: 26px;
    }

    .service-number {
        margin-bottom: 24px;
    }

    .featured-case-grid,
    .insights-grid,
    .article-grid,
    .cases-grid,
    .advantage-grid,
    .process-list,
    .about-value-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .advantage-item,
    .about-value-item {
        min-height: auto;
    }

    .page-hero-card,
    .direction-card,
    .about-value-item,
    .case-study,
    .cases-card,
    .case-section,
    .case-detail-sidebar,
    .case-detail-hero-image img,
    .about-cta {
        border-radius: var(--radius-medium);
    }

    .case-study {
        padding: 22px;
    }

    .section-action .button {
        width: 100%;
    }

    .case-navigation-grid {
        grid-template-columns: 1fr;
    }

    .case-detail-hero {
        padding: calc(var(--header-height) + 64px) 0 68px;
    }

    .article-hero {
        padding: calc(var(--header-height) + 58px) 0 64px;
    }

    .case-section,
    .case-detail-sidebar,
    .article-content section,
    .table-of-contents,
    .related-service,
    .related-case,
    .related-insight,
    .related-articles {
        padding: 22px;
    }

    .case-cta-actions,
    .case-cta-actions .button {
        width: 100%;
    }

    .contact-form {
        grid-template-columns: 1fr;
        padding: 24px 18px;
    }

    .form-group {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}
/* WordPress theme compatibility */
.custom-logo-link {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.custom-logo {
    width: auto;
    max-width: 84px;
    max-height: 58px;
    display: block;
}

.narrow-content {
    max-width: 920px;
}

.content-section img,
.image-card img,
.service-card img,
.case-card img,
.insight-card img {
    max-width: 100%;
    height: auto;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
}

.page-numbers {
    border: 1px solid rgba(201, 164, 92, 0.35);
    border-radius: 999px;
    color: var(--color-navy);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.4rem;
    min-height: 2.4rem;
    padding: 0.35rem 0.8rem;
    text-decoration: none;
}

.page-numbers.current,
.page-numbers:hover,
.page-numbers:focus-visible {
    background: var(--color-gold);
    color: var(--color-white);
}

.wp-block-image {
    margin: 2rem 0;
}

.wp-block-image img {
    border-radius: var(--radius-large);
}