:root {
    --navy: #061b39;
    --navy2: #082448;
    --blue: #0f5ad8;
    --blue2: #246bfe;
    --soft: #f4f8fd;
    --line: #dbe6f3;
    --text: #10264a;
    --muted: #60718c;
    --white: #fff;
    --shadow: 0 18px 55px rgba(6, 27, 57, .10);
    --radius: 22px;
    --max: 1180px
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

html {
    scroll-behavior: smooth
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.72
}

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

.container {
    width: min(100% - 48px, var(--max));
    margin: 0 auto
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line)
}

.nav-wrap {
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px
}

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

.brand-logo {
    width: 45px;
    height: 45px;
    flex: 0 0 auto
}

.brand-name {
    font-size: 20px;
    font-weight: 850;
    letter-spacing: -.02em;
    color: #09214b;
    white-space: normal;
    line-height: 1.15
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    font-size: 15px;
    font-weight: 750;
    color: #10264a
}

.main-nav a:hover {
    color: var(--blue)
}

.lang-switch {
    display: flex;
    align-items: center;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 999px;
    padding: 3px
}

.lang-switch button {
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 7px 10px;
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer
}

.lang-switch button.active {
    background: var(--blue);
    color: #fff
}

.mobile-menu-btn {
    display: none;
    border: 0;
    background: #fff;
    color: var(--navy);
    font-size: 24px;
    font-weight: 900
}

.hero-section {
    position: relative;
    min-height: 724px;
    background: #e8f4ff;
    background-image: var(--hero-bg);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
    transition: background-image .5s ease
}

.hero-section:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, .25), rgba(255, 255, 255, .05));
    pointer-events: none
}

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

.hero-card {
    width: min(550px, 100%);
    background: rgba(255, 255, 255, .9);
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 24px;
    padding: 42px 46px;
    box-shadow: 0 25px 70px rgba(5, 33, 72, .16);
    backdrop-filter: blur(4px)
}

.eyebrow {
    display: inline-block;
    background: #edf5ff;
    color: var(--blue);
    font-weight: 850;
    font-size: 15px;
    padding: 8px 14px;
    border-radius: 999px;
    margin-bottom: 18px
}

h1 {
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.12;
    color: #071f49;
    letter-spacing: -.05em;
    margin-bottom: 20px
}

.hero-card p {
    font-size: 18px;
    color: #243b61;
    margin-bottom: 25px
}

.hero-meta {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    color: #17406f;
    font-size: 15px
}

.hero-meta b {
    font-weight: 750
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px
}

.carousel-dots button {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 50%;
    background: #c7d5e8;
    cursor: pointer
}

.carousel-dots button.active {
    background: var(--blue)
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: #0b2d5c;
    font-size: 34px;
    line-height: 1;
    box-shadow: 0 10px 30px rgba(6, 27, 57, .12);
    cursor: pointer
}

.carousel-arrow svg {
    width: 24px;
    height: 24px;
    display: inline-flex;
}

.carousel-arrow svg.left {
    margin-left: -2px;
}

.carousel-arrow svg.right {
    margin-right: -2px;
}

.carousel-arrow path {
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.carousel-prev {
    left: 28px
}

.carousel-next {
    right: 28px
}

.section {
    padding: 78px 0
}

.section.alt {
    background: var(--soft)
}

.section-title {
    max-width: 760px;
    margin-bottom: 38px
}

.section-title.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto
}

.section-title span {
    display: block;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--blue);
    font-size: 13px;
    font-weight: 900;
    margin-bottom: 8px
}

h2 {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    letter-spacing: -.03em;
    color: #08214a;
    margin-bottom: 12px
}

.section-title p {
    font-size: 17px;
    color: var(--muted)
}

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

.info-card,
.value-card,
.step-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    transform: scale(1);
    will-change: transform;
}

.info-card:hover,
.value-card:hover,
.step-card:hover {
    transform: scale(1.08);
    box-shadow: 0 18px 45px rgba(15, 63, 143, 0.16);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 15px;
    background: #edf5ff;
    color: var(--blue);
    display: grid;
    place-items: center;
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 16px
}

.info-card h3,
.value-card h3,
.step-card h3 {
    font-size: 19px;
    color: #0b244d;
    margin-bottom: 9px
}

.info-card p,
.value-card p,
.step-card p {
    font-size: 15px;
    color: var(--muted)
}

.about-grid {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 38px;
    align-items: center
}

.about-panel {
    min-height: 320px;
    background: linear-gradient(135deg, #082448, #0f5ad8);
    border-radius: 24px;
    padding: 34px;
    color: #fff;
    box-shadow: 0 22px 56px rgba(6, 27, 57, .18);
    position: relative;
    overflow: hidden
}

.about-panel:after {
    content: "";
    position: absolute;
    right: -70px;
    bottom: -70px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .11)
}

.about-panel span {
    font-size: 14px;
    color: #cfe2ff
}

.about-panel h2 {
    color: #fff;
    margin-top: 10px;
    font-size: 34px
}

.about-panel p {
    color: #d9e9ff
}

.about-copy p {
    margin-bottom: 16px;
    color: #30445f
}

.value-grid,
.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px
}

.value-card span {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: #edf5ff;
    color: var(--blue);
    display: grid;
    place-items: center;
    font-size: 20px;
    margin-bottom: 14px
}

.step-card strong {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    display: grid;
    place-items: center;
    margin-bottom: 14px
}

.contact-section {
    background: #f2f6fb
}

.contact-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 40px;
    align-items: start
}

.contact-note {
    color: var(--muted);
    font-size: 15px;
    margin-top: 12px
}

.contact-form {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 26px;
    box-shadow: var(--shadow)
}

fieldset {
    border: 0;
    margin-bottom: 18px
}

legend {
    font-weight: 800;
    color: #17325e;
    margin-bottom: 12px
}

.checkbox-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px
}

.checkbox-row label {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    background: #fbfdff
}

.checkbox-row input {
    accent-color: var(--blue);
    width: 18px;
    height: 18px
}

.checkbox-row span {
    color: var(--blue);
    font-weight: 900
}

.form-label {
    display: block;
    margin: 14px 0 7px;
    font-size: 14px;
    font-weight: 800;
    color: #17325e
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 13px 14px;
    font: inherit;
    color: var(--text);
    outline: none
}

textarea {
    min-height: 118px;
    resize: vertical
}

input:focus,
textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(15, 90, 216, .12)
}

.button {
    border: 0;
    border-radius: 11px;
    padding: 13px 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 850;
    cursor: pointer
}

.button-primary {
    background: linear-gradient(135deg, var(--blue), var(--blue2));
    color: #fff;
    box-shadow: 0 14px 30px rgba(15, 90, 216, .2);
    width: 100%;
    margin-top: 14px
}

.site-footer {
    background: linear-gradient(135deg, #071d3d, #082448);
    color: #d9e9ff;
    padding: 58px 0 22px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .8fr .9fr 1fr;
    gap: 45px
}

.site-footer h3,
.site-footer h4 {
    color: #fff;
    margin-bottom: 16px
}

.footer-about p,
.footer-contact p {
    color: #c6d5e8
}

.footer-values ul {
    list-style: none;
    display: grid;
    gap: 8px
}

.footer-values li:before {
    content: "✓";
    margin-right: 8px;
    color: #83b6ff
}

.social-links {
    display: grid;
    gap: 12px
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 11px;
    width: max-content
}

.social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 900;
    font-size: 18px
}

.facebook {
    background: #1877f2
}

.instagram {
    background: radial-gradient(circle at 30% 100%, #fdf497 0, #fdf497 12%, #fd5949 35%, #d6249f 60%, #285aeb 100%)
}

.tiktok {
    background: #000
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    margin-top: 42px;
    padding-top: 18px;
    text-align: center;
    color: #c6d5e8;
    font-size: 14px
}

@media(max-width:1050px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .value-grid,
    .cooperation-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr
    }

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

    .main-nav {
        gap: 16px
    }

    .brand-name {
        font-size: 17px
    }
}

@media(max-width:760px) {
    .container {
        width: min(100% - 30px, var(--max));
    }

    .nav-wrap {
        height: auto;
        min-height: 70px;
        padding: 12px 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        left: 15px;
        right: 15px;
        top: 70px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 18px;
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .main-nav.open {
        display: flex;
    }

    .brand-logo {
        width: 38px;
        height: 38px;
    }

    .brand-name {
        font-size: 14px;
        max-width: 230px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .lang-switch {
        display: none;
    }

    .hero-section {
        min-height: 560px;
        align-items: flex-start;
        padding-top: 30px;
        background-position: center bottom;
        background-size: cover;
    }

    .hero-inner {
        width: 100%;
    }

    .hero-card {
        width: calc(100% - 28px);
        margin: 0 auto;
        padding: 34px 24px 28px;
        border-radius: 24px;
        box-shadow: 0 18px 50px rgba(5, 33, 72, .12);
    }

    .eyebrow {
        font-size: 14px;
        padding: 8px 14px;
        margin-bottom: 18px;
    }

    h1 {
        font-size: 32px;
        line-height: 1.18;
        letter-spacing: -.04em;
        margin-bottom: 18px;
    }

    .hero-card p {
        font-size: 16px;
        line-height: 1.75;
        margin-bottom: 24px;
    }

    .hero-meta {
        gap: 16px;
        font-size: 14px;
    }

    .carousel-arrow {
        display: none;
    }

    .carousel-dots {
        margin-top: 26px;
    }

    .carousel-dots button {
        width: 10px;
        height: 10px;
    }

    .section {
        padding: 62px 0;
    }

    .section-title {
        margin-bottom: 34px;
    }

    .section-title.center {
        text-align: center;
    }

    .section-title span {
        font-size: 13px;
        letter-spacing: .14em;
    }

    h2 {
        font-size: 32px;
        line-height: 1.18;
    }

    .section-title p {
        font-size: 17px;
        line-height: 1.8;
    }

    /*
      Mobile card style:
      Business / Values / Cooperation use Design 1 stacked cards.
    */

    .business-grid,
    .value-grid,
    .cooperation-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .info-card,
    .value-card,
    .step-card {
        display: grid;
        grid-template-columns: 58px 1fr 18px;
        align-items: center;
        gap: 16px;
        min-height: auto;
        padding: 22px 20px;
        border-radius: 22px;
        box-shadow: 0 12px 32px rgba(6, 27, 57, .08);
        transform: none;
    }

    .info-card:hover,
    .value-card:hover,
    .step-card:hover {
        transform: none;
        box-shadow: 0 12px 32px rgba(6, 27, 57, .08);
    }

    .info-card::after,
    .value-card::after,
    .step-card::after {
        content: "›";
        color: var(--blue);
        font-size: 30px;
        line-height: 1;
        justify-self: end;
        font-weight: 400;
    }

    .card-icon,
    .value-card span,
    .step-card strong {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        margin: 0;
        grid-row: 1 / span 2;
    }

    .info-card h3,
    .value-card h3,
    .step-card h3 {
        font-size: 20px;
        margin-bottom: 4px;
        line-height: 1.35;
    }

    .info-card p,
    .value-card p,
    .step-card p {
        font-size: 15px;
        line-height: 1.7;
    }

    .info-card .card-icon,
    .value-card > span,
    .step-card > strong {
        grid-column: 1;
        grid-row: 1 / span 2;
    }

    .info-card h3,
    .value-card h3,
    .step-card h3 {
        grid-column: 2;
        grid-row: 1;
        min-width: 0;
        writing-mode: horizontal-tb;
        word-break: normal;
    }

    .info-card p,
    .value-card p,
    .step-card p {
        grid-column: 2;
        grid-row: 2;
        min-width: 0;
        writing-mode: horizontal-tb;
        word-break: normal;
    }

    .info-card::after,
    .value-card::after,
    .step-card::after {
        grid-column: 3;
        grid-row: 1 / span 2;
        align-self: center;
    }

    /*
      About Us uses Design 2:
      keep it more visual and premium on mobile.
    */

    .about-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .about-panel {
        min-height: auto;
        padding: 30px 24px;
        border-radius: 24px;
        text-align: left;
    }

    .about-panel h2 {
        font-size: 31px;
        line-height: 1.2;
    }

    .about-copy {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 24px;
        padding: 26px 24px;
        box-shadow: 0 12px 32px rgba(6, 27, 57, .08);
    }

    .about-copy p {
        font-size: 15px;
        line-height: 1.8;
    }

    /*
      Contact mobile layout
    */

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-form {
        padding: 22px;
        border-radius: 22px;
    }

    .checkbox-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .checkbox-row label {
        padding: 13px 14px;
    }

    textarea {
        min-height: 120px;
    }

    .button-primary {
        min-height: 48px;
    }

    /*
      Footer mobile layout
    */

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .site-footer {
        text-align: center;
        padding: 52px 0 24px;
    }

    .footer-about p {
        max-width: 420px;
        margin: auto;
    }

    .footer-values ul {
        justify-items: center;
    }

    .social-links {
        display: flex;
        justify-content: center;
        gap: 18px;
    }

    .social-text {
        display: none;
    }

    .social-icon {
        width: 38px;
        height: 38px;
    }
}

@media(max-width:380px) {
    .container {
        width: min(100% - 24px, var(--max));
    }

    .brand-name {
        max-width: 185px;
        font-size: 13px;
    }

    .hero-section {
        min-height: 550px;
        padding-top: 26px;
    }

    .hero-card {
        width: calc(100% - 24px);
        padding: 30px 22px 26px;
    }

    h1 {
        font-size: 29px;
    }

    .hero-card p {
        font-size: 15px;
    }

    .hero-meta {
        gap: 10px;
        font-size: 13px;
    }

    .info-card,
    .value-card,
    .step-card {
        grid-template-columns: 52px 1fr 14px;
        gap: 14px;
        padding: 20px 18px;
    }

    .card-icon,
    .value-card span,
    .step-card strong {
        width: 52px;
        height: 52px;
    }

    .info-card h3,
    .value-card h3,
    .step-card h3 {
        font-size: 18px;
    }

    .info-card p,
    .value-card p,
    .step-card p {
        font-size: 14px;
    }

    .social-icon {
        width: 36px;
        height: 36px;
    }

    .info-card .card-icon,
    .value-card > span,
    .step-card > strong {
        grid-column: 1;
        grid-row: 1 / span 2;
    }

    .info-card h3,
    .value-card h3,
    .step-card h3 {
        grid-column: 2;
        grid-row: 1;
        min-width: 0;
        writing-mode: horizontal-tb;
        word-break: normal;
    }

    .info-card p,
    .value-card p,
    .step-card p {
        grid-column: 2;
        grid-row: 2;
        min-width: 0;
        writing-mode: horizontal-tb;
        word-break: normal;
    }

    .info-card::after,
    .value-card::after,
    .step-card::after {
        grid-column: 3;
        grid-row: 1 / span 2;
        align-self: center;
    }
}