.about-page {
    isolation: isolate;
    overflow-x: clip;
    overflow-y: visible;
}

.about-hero {
    width: min(1320px, calc(100% - 48px));
    margin: 0 auto;
}

.about-hero {
    position: relative;
    display: grid;
    align-items: center;
    min-height: 100vh;
    padding: 148px 0 80px;
}

.about-hero::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: 0;
    width: 100vw;
    transform: translateX(-50%);
    background-image:
        linear-gradient(90deg, rgba(5, 5, 9, 0.2), rgba(5, 5, 9, 0.08)),
        url("/assets/img/about_Hero.jpg");
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    pointer-events: none;
}

.about-hero__shell {
    position: relative;
    z-index: 2;
}

.about-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
}

.about-hero__copy {
    padding: 42px 0 0;
    text-align: right;
}

.about-expertise__visual {
    aspect-ratio: 3 / 2;
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.about-expertise__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-hero__title {
    max-width: 1320px;
    margin-left: auto;
    color: #fff;
    font-size: clamp(2.45rem, 4.8vw, 4.35rem);
    line-height: 1.06;
    font-weight: 700;
}

.about-hero__intro,
.about-expertise__lead,
.about-expertise__text,
.about-levels__lead,
.about-levels__card p {
    color: var(--color-text-soft);
    font-size: 1.05rem;
    line-height: 1.75;
}

.about-hero__subtitle {
    max-width: 1120px;
    margin-top: 22px;
    margin-left: auto;
    color: #fff;
    font-size: clamp(1.3rem, 2vw, 1.8rem);
    line-height: 1.35;
    font-weight: 600;
}

.about-hero__intro {
    max-width: 1120px;
    margin-top: 18px;
    margin-left: auto;
}

.about-hero__actions {
    display: flex;
    justify-content: flex-end;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.about-expertise {
    width: min(1320px, calc(100% - 48px));
    margin: 0 auto;
    padding: 28px 0 88px;
}

.about-expertise__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: center;
}

.about-expertise__copy {
    padding: 18px 0;
}

.about-expertise__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: rgba(245, 247, 251, 0.72);
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.about-expertise__eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: currentColor;
    opacity: 0.45;
}

.about-expertise__title {
    max-width: 900px;
    margin: 0;
    color: #fff;
    font-size: clamp(2rem, 3.6vw, 3.7rem);
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: 0;
}

.about-expertise__lead {
    max-width: 72ch;
    margin-top: 20px;
    font-size: 1.08rem;
    line-height: 1.7;
    color: rgba(245, 247, 251, 0.88);
}

.about-expertise__text {
    max-width: 76ch;
    margin-top: 18px;
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(245, 247, 251, 0.76);
}

.about-expertise__list {
    display: grid;
    gap: 8px;
    max-width: 68ch;
    margin: 12px 0 0;
    padding-left: 20px;
    color: rgba(245, 247, 251, 0.78);
    line-height: 1.65;
}

.about-expertise__certifications {
    margin-top: 30px;
    border: 0;
    border-collapse: collapse;
}

.about-expertise__certifications td {
    padding: 0 52px 0 0;
    border: 0;
    vertical-align: bottom;
}

.about-expertise__certifications td:last-child {
    padding-right: 0;
}

.about-expertise__certifications p {
    margin: 0 0 8px;
    color: rgba(245, 247, 251, 0.68);
    line-height: 1;
}

.about-expertise__certifications small {
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
}

.about-expertise__certifications img {
    display: block;
    max-width: 180px;
    max-height: 74px;
    object-fit: contain;
}

.about-approach {
    width: 100%;
    padding: 76px 0;
    background: linear-gradient(180deg, rgba(13, 17, 25, 0.96), rgba(8, 11, 17, 0.98));
}

.about-approach__shell {
    display: grid;
    grid-template-columns: minmax(220px, 0.34fr) minmax(0, 0.66fr);
    gap: 64px;
    width: min(1320px, calc(100% - 48px));
    margin: 0 auto;
    align-items: start;
}

.about-approach__title {
    max-width: 10ch;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1;
    position: sticky;
    top: 104px;
}

.about-approach__lead,
.about-approach__text,
.about-approach__intro,
.about-approach__list {
    color: rgba(245, 247, 251, 0.78);
    line-height: 1.75;
}

.about-approach__lead {
    max-width: 64ch;
    margin-top: 0;
    color: rgba(245, 247, 251, 0.9);
    font-size: 1.08rem;
}

.about-approach__text {
    max-width: 72ch;
    margin-top: 18px;
}

.about-approach__intro {
    margin: 0;
    color: rgba(245, 247, 251, 0.9);
    font-weight: 700;
}

.about-approach__principles {
    max-width: 720px;
    margin-top: 28px;
}

.about-approach__list {
    display: grid;
    gap: 10px;
    max-width: 680px;
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
}

.about-approach__list li {
    position: relative;
    padding-left: 22px;
    color: rgba(245, 247, 251, 0.82);
    line-height: 1.55;
}

.about-approach__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.78em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00a7a0;
    box-shadow: 0 0 0 4px rgba(0, 167, 160, 0.16);
    transform: translateY(-50%);
}

.about-levels {
    position: relative;
    width: 100%;
    margin-top: 0;
    padding: 84px 0 104px;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(7, 9, 14, 0.72), rgba(11, 14, 22, 0.88)),
        url("../img/common_openGraph.png") center center / cover no-repeat;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.about-levels::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(7, 9, 14, 0.28), rgba(7, 9, 14, 0.38)),
        radial-gradient(circle at 50% 0%, rgba(209, 51, 132, 0.16), transparent 30%),
        radial-gradient(circle at 0% 20%, rgba(255, 255, 255, 0.03), transparent 24%),
        radial-gradient(circle at 100% 22%, rgba(0, 167, 160, 0.05), transparent 26%);
    pointer-events: none;
    opacity: 1;
}

.about-levels::after {
    content: "";
    position: absolute;
    inset: auto -10% -30% auto;
    width: 44vw;
    height: 44vw;
    background: radial-gradient(circle, rgba(140, 25, 71, 0.12), transparent 66%);
    pointer-events: none;
    filter: blur(8px);
}

.about-levels__shell {
    position: relative;
    z-index: 1;
    width: min(1320px, calc(100% - 48px));
    margin: 0 auto;
}

.about-levels__intro {
    max-width: 820px;
    text-align: center;
    margin: 0 auto;
}

.about-levels__eyebrow {
    display: inline-flex;
    align-items: center;
    margin-bottom: 18px;
    color: rgba(245, 247, 251, 0.72);
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.about-levels__title {
    font-size: clamp(2.2rem, 4vw, 4rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

.about-levels__lead {
    max-width: 68ch;
    margin: 22px auto 0;
    color: rgba(245, 247, 251, 0.82);
    font-size: 1.06rem;
    line-height: 1.75;
}

.about-levels__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    position: relative;
    margin-top: 48px;
}

.about-levels__card {
    position: relative;
    padding: 30px 26px 28px;
    border-radius: 10px;
    background:
        radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.08), transparent 22%),
        linear-gradient(180deg, rgba(15, 18, 28, 0.98), rgba(9, 11, 17, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.24);
    min-height: 310px;
    overflow: hidden;
    z-index: 1;
    transition:
        transform 0.28s ease,
        border-color 0.28s ease,
        box-shadow 0.28s ease;
}

.about-levels__card::before {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 5px;
    background: linear-gradient(90deg, rgba(198, 31, 61, 0.94), rgba(0, 167, 160, 0.9));
}

.about-levels__card::after {
    content: "";
    position: absolute;
    inset: -18% auto auto -10%;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 68%);
    opacity: 0.55;
    pointer-events: none;
}

.about-levels__icon {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 72px;
    height: 72px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background:
        radial-gradient(circle at 28% 22%, rgba(255, 255, 255, 0.22), transparent 28%),
        linear-gradient(135deg, rgba(198, 31, 61, 0.94), rgba(0, 167, 160, 0.9));
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
}

.about-levels__icon svg {
    width: 34px;
    height: 34px;
    display: block;
    fill: currentColor;
}

.about-levels__card h3 {
    margin-top: 94px;
    font-size: 1.28rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.about-levels__card p {
    margin-top: 14px;
    color: rgba(245, 247, 251, 0.78);
    font-size: 1rem;
    line-height: 1.78;
}

.about-levels__card--strategic {
    transform: translateY(0);
}

.about-levels__card--system {
    transform: translateY(26px);
}

.about-levels__card--application {
    transform: translateY(52px);
}

.about-levels__card:hover {
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 30px 68px rgba(0, 0, 0, 0.3);
}

.about-choice {
    position: relative;
    padding: 108px 0 124px;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(5, 5, 9, 0.98), rgba(9, 9, 14, 0.98)),
        radial-gradient(circle at 50% 45%, rgba(0, 167, 160, 0.12), transparent 34%);
}

.about-choice::before {
    content: "";
    position: absolute;
    pointer-events: none;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 88px 88px;
    mask-image: radial-gradient(circle at center, #000 0%, transparent 72%);
    opacity: 0.26;
}

.about-choice__shell {
    position: relative;
    z-index: 1;
    width: min(1320px, calc(100% - 48px));
    margin: 0 auto;
}

.about-choice__intro {
    display: grid;
    justify-items: center;
    gap: 18px;
    max-width: 980px;
    margin: 0 auto 58px;
    text-align: center;
}

.about-choice__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(245, 247, 251, 0.72);
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.about-choice__title {
    max-width: 17ch;
    font-size: clamp(2.45rem, 5.2vw, 5.15rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

.about-choice__lead,
.about-choice__core p,
.about-choice__value p {
    color: rgba(245, 247, 251, 0.78);
    line-height: 1.76;
}

.about-choice__lead {
    max-width: 74ch;
    color: rgba(245, 247, 251, 0.9);
    font-size: 1.09rem;
}

.about-choice__stage {
    position: relative;
    min-height: 700px;
    padding: 58px 64px;
    border-radius: 10px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 50% 42%, rgba(0, 167, 160, 0.14), transparent 34%),
        radial-gradient(circle at 68% 68%, rgba(198, 31, 61, 0.1), transparent 32%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
    background-size:
        72px 72px,
        72px 72px,
        auto,
        auto,
        auto;
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 34px 90px rgba(0, 0, 0, 0.28);
    overflow: hidden;
}

.about-choice__stage::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.08), transparent 46%);
    opacity: 0.45;
    mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
}

.about-choice__core {
    position: absolute;
    left: 50%;
    top: 40%;
    z-index: 2;
    width: min(380px, 28vw);
    min-height: 310px;
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-radius: 10px;
    background:
        linear-gradient(180deg, rgba(18, 22, 31, 0.94), rgba(8, 10, 15, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.13);
    transform: translate(-50%, -50%);
    box-shadow:
        0 28px 70px rgba(0, 0, 0, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.about-choice__core::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 167, 160, 0.72), rgba(198, 31, 61, 0.62), transparent 70%);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.about-choice__core span {
    color: rgba(245, 247, 251, 0.58);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.about-choice__core strong {
    margin-top: 14px;
    color: #fff;
    font-size: clamp(1.55rem, 2.5vw, 2.35rem);
    line-height: 1.04;
    letter-spacing: -0.05em;
}

.about-choice__core p {
    margin-top: 18px;
    font-size: 0.98rem;
}

.about-choice__values {
    position: absolute;
    inset: 0;
}

.about-choice__value {
    position: absolute;
    display: grid;
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 14px;
    width: clamp(230px, 22vw, 330px);
    min-height: 128px;
    padding: 18px;
    border-radius: 10px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035)),
        rgba(12, 15, 23, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(18px);
    transition:
        transform 0.22s ease,
        border-color 0.22s ease,
        background-color 0.22s ease;
}

.about-choice__value:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 167, 160, 0.36);
    background-color: rgba(13, 18, 28, 0.92);
}

.about-choice__value--competence {
    left: 7%;
    top: 12%;
}

.about-choice__value--dedication {
    right: 7%;
    top: 12%;
}

.about-choice__value--craft {
    left: 3%;
    top: 43%;
    width: clamp(230px, 22vw, 310px);
}

.about-choice__value--research {
    right: 3%;
    top: 43%;
    width: clamp(230px, 22vw, 310px);
}

.about-choice__value--vision {
    left: 20%;
    bottom: 5%;
    width: clamp(230px, 23vw, 350px);
}

.about-choice__value--relationship {
    right: 20%;
    bottom: 5%;
    width: clamp(230px, 23vw, 350px);
}

.about-choice__value-icon {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: #fff;
    background:
        radial-gradient(circle at 28% 22%, rgba(255, 255, 255, 0.22), transparent 28%),
        linear-gradient(135deg, rgba(198, 31, 61, 0.94), rgba(0, 167, 160, 0.9));
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
}

.about-choice__value-icon svg {
    width: 27px;
    height: 27px;
    display: block;
    fill: currentColor;
}

.about-choice__value-icon svg.lucide {
    fill: none;
    stroke: currentColor;
}

.about-choice__value h3 {
    font-size: 1.05rem;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.about-choice__value p {
    margin-top: 8px;
    font-size: 0.96rem;
}

@media (max-width: 1180px) {
    .about-choice__stage {
        min-height: 980px;
        padding: 28px;
    }

    .about-choice__core {
        top: 42%;
        width: min(420px, calc(100% - 56px));
        min-height: 0;
    }

    .about-choice__value {
        width: min(360px, calc(50% - 36px));
    }

    .about-choice__value--competence {
        left: 28px;
        top: 28px;
    }

    .about-choice__value--dedication {
        right: 28px;
        top: 74px;
    }

    .about-choice__value--craft {
        left: 28px;
        top: 330px;
    }

    .about-choice__value--research {
        right: 28px;
        top: 390px;
    }

    .about-choice__value--vision {
        left: 28px;
        bottom: 34px;
    }

    .about-choice__value--relationship {
        right: 28px;
        bottom: 96px;
    }
}

@media (max-width: 640px) {
    .about-hero,
    .about-expertise {
        width: min(100% - 32px, 1320px);
    }

    .about-hero {
        padding-top: 104px;
        padding-bottom: 32px;
    }

    .about-hero__copy {
        padding-top: 24px;
        text-align: left;
    }

    .about-hero__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-expertise__visual {
        border-radius: 10px;
    }

    .about-hero__title {
        max-width: 100%;
        margin-left: 0;
        font-size: clamp(2.45rem, 12vw, 4.2rem);
    }

    .about-hero__subtitle,
    .about-hero__intro {
        margin-left: 0;
    }

    .about-hero__actions {
        justify-content: flex-start;
    }

    .about-expertise { padding: 18px 0 64px; }

    .about-expertise__layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-expertise__copy {
        padding: 8px 0 0;
    }

    .about-expertise__title,
    .about-expertise__lead,
    .about-expertise__text {
        max-width: 100%;
    }

    .about-expertise__title {
        font-size: clamp(1.8rem, 9vw, 2.6rem);
        line-height: 1.08;
        font-weight: 700;
    }

    .about-expertise__certifications {
        margin-top: 24px;
    }

    .about-expertise__certifications td {
        padding-right: 32px;
    }

    .about-expertise__certifications img {
        max-width: min(140px, 38vw);
        max-height: 66px;
    }

    .about-approach {
        padding: 56px 0;
    }

    .about-approach__shell {
        grid-template-columns: 1fr;
        gap: 22px;
        width: min(100% - 32px, 1320px);
    }

    .about-approach__title,
    .about-approach__lead,
    .about-approach__text {
        max-width: 100%;
    }

    .about-approach__title {
        position: static;
    }

    .about-levels {
        margin-top: 8px;
        padding: 64px 0 80px;
    }

    .about-levels__shell {
        width: min(100% - 32px, 1320px);
    }

    .about-levels__intro {
        text-align: left;
        margin: 0;
    }

    .about-levels__lead {
        margin-left: 0;
    }

    .about-levels__grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 36px;
    }

    .about-levels__card {
        min-height: 0;
        padding: 24px 20px 22px;
        border-radius: 10px;
        transform: none;
        animation-delay: 0s;
    }

    .about-levels__icon {
        top: 18px;
        left: 18px;
        width: 64px;
        height: 64px;
        border-radius: 10px;
    }

    .about-levels__card h3 {
        margin-top: 84px;
    }

    .about-choice {
        padding: 72px 0 84px;
    }

    .about-choice__shell {
        width: min(100% - 32px, 1320px);
    }

    .about-choice__intro {
        gap: 20px;
        margin-bottom: 30px;
    }

    .about-choice__lead {
        max-width: 100%;
    }

    .about-choice__title {
        max-width: 100%;
        font-size: clamp(2rem, 10vw, 3.15rem);
    }

    .about-choice__stage {
        display: grid;
        gap: 14px;
        min-height: 0;
        padding: 16px;
        background:
            radial-gradient(circle at 50% 12%, rgba(0, 167, 160, 0.14), transparent 34%),
            linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
    }

    .about-choice__stage::before {
        display: none;
    }

    .about-choice__core,
    .about-choice__values,
    .about-choice__value {
        position: relative;
        inset: auto;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
        width: 100%;
        transform: none;
    }

    .about-choice__core {
        min-height: 0;
        padding: 24px 22px;
    }

    .about-choice__values {
        display: grid;
        gap: 14px;
    }

    .about-choice__value {
        min-height: 0;
        padding: 18px;
    }
}