.case-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 180ms ease;
}

.case-back-link:hover,
.case-back-link:focus {
    color: var(--cyan);
}

.case-hero-grid,
.case-two-column,
.case-solution-grid,
.case-value-grid,
.case-offer {
    display: grid;
    gap: clamp(1.25rem, 4vw, 3rem);
}

.case-hero-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.78fr);
    align-items: center;
}

.case-hero-grid-reverse {
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.82fr);
}

.case-hero-copy h1 {
    max-width: 760px;
    margin: 0;
    color: #fff;
    font-size: clamp(2.8rem, 5.2vw, 4.65rem);
    font-weight: 750;
    line-height: 1.03;
    letter-spacing: 0;
}

.case-lead,
.case-section-text,
.case-offer p,
.case-info-card p,
.case-value-grid p,
.case-value-grid li {
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.72;
}

.case-lead {
    max-width: 740px;
    margin: 1.3rem 0 0;
}

.case-tag-list,
.case-tech-line {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.case-tag-list {
    margin-top: 1.7rem;
}

.case-tag-list span,
.case-tech-line span {
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 999px;
    padding: 0.58rem 0.82rem;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.065);
    font-size: 0.88rem;
    font-weight: 650;
}

.case-tag-list span:nth-child(odd),
.case-tech-line span:nth-child(3n + 1) {
    border-color: rgba(0, 232, 216, 0.24);
}

.case-mockup {
    position: relative;
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(0, 232, 216, 0.18);
    border-radius: 2rem;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 28px 84px rgba(0, 0, 0, 0.2);
}

.case-mockup::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(0, 119, 255, 0.04), rgba(0, 232, 216, 0.10)),
        radial-gradient(circle at 72% 18%, rgba(0, 232, 216, 0.16), transparent 32%);
    content: "";
    mix-blend-mode: screen;
}

.case-mockup img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: 50% 42%;
}

.review-infographic {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(150px, 0.9fr) minmax(0, 0.82fr);
    gap: 1rem;
    align-items: center;
    min-height: 520px;
    padding: clamp(1.15rem, 3vw, 1.6rem);
    overflow: hidden;
    border: 1px solid rgba(0, 232, 216, 0.18);
    border-radius: 2rem;
    background:
        radial-gradient(circle at 50% 46%, rgba(0, 232, 216, 0.16), transparent 34%),
        radial-gradient(circle at 82% 78%, rgba(0, 119, 255, 0.16), transparent 38%),
        rgba(255, 255, 255, 0.065);
    box-shadow: 0 28px 84px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(20px);
}

.review-infographic::before {
    position: absolute;
    inset: 12%;
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 50%;
    content: "";
}

.review-infographic::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    opacity: 0.10;
}

.review-flow,
.review-core,
.review-sentiment {
    position: relative;
    z-index: 1;
}

.review-flow {
    display: grid;
    gap: 0.8rem;
}

.review-flow span {
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 999px;
    padding: 0.75rem 0.85rem;
    color: rgba(255, 255, 255, 0.82);
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.92rem;
    font-weight: 750;
    text-align: center;
}

.review-flow-input span:nth-child(2),
.review-flow-output span:nth-child(1) {
    border-color: rgba(0, 232, 216, 0.28);
}

.review-core {
    display: grid;
    aspect-ratio: 1 / 1;
    place-items: center;
    border: 1px solid rgba(0, 232, 216, 0.28);
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.16), transparent 38%),
        linear-gradient(135deg, rgba(0, 119, 255, 0.42), rgba(0, 232, 216, 0.24));
    box-shadow: 0 0 70px rgba(0, 232, 216, 0.14);
    text-align: center;
}

.review-core i {
    color: var(--cyan);
    font-size: 2.4rem;
}

.review-core strong {
    color: #fff;
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    line-height: 1.05;
}

.review-core span {
    max-width: 150px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.82rem;
    font-weight: 650;
}

.review-sentiment {
    grid-column: 1 / -1;
    display: grid;
    gap: 0.75rem;
    margin-top: 0.4rem;
}

.review-sentiment div {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 0.75rem;
    align-items: center;
}

.review-sentiment span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.82rem;
    font-weight: 750;
}

.review-sentiment b {
    position: relative;
    display: block;
    height: 9px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.10);
}

.review-sentiment b::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: var(--bar);
    border-radius: inherit;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    content: "";
}

.bot-infographic {
    position: relative;
    display: grid;
    grid-template-columns: minmax(210px, 0.86fr) minmax(150px, 0.54fr);
    gap: clamp(1rem, 3vw, 1.6rem);
    align-items: center;
    min-height: 520px;
    padding: clamp(1.15rem, 3vw, 1.6rem);
    overflow: hidden;
    border: 1px solid rgba(0, 232, 216, 0.18);
    border-radius: 2rem;
    background:
        radial-gradient(circle at 38% 42%, rgba(0, 232, 216, 0.16), transparent 34%),
        radial-gradient(circle at 78% 72%, rgba(0, 119, 255, 0.16), transparent 38%),
        rgba(255, 255, 255, 0.065);
    box-shadow: 0 28px 84px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(20px);
}

.bot-infographic::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    opacity: 0.10;
}

.bot-mockup,
.bot-pipeline {
    position: relative;
    z-index: 1;
}

.bot-mockup {
    width: min(320px, 100%);
    margin: 0 auto;
}

.bot-mockup img {
    display: block;
    width: 100%;
    aspect-ratio: 1122 / 1402;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 2rem;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.20),
        0 0 38px rgba(0, 232, 216, 0.12);
}

.bot-pipeline {
    display: grid;
    justify-items: stretch;
    gap: 0.6rem;
}

.bot-pipeline > div {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 0.75rem;
    align-items: center;
    min-height: 72px;
    padding: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 1.15rem;
    background: rgba(255, 255, 255, 0.08);
}

.bot-pipeline > div i {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 0.95rem;
    color: var(--cyan);
    background: rgba(0, 232, 216, 0.10);
}

.bot-pipeline > div span {
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.94rem;
    font-weight: 760;
}

.bot-pipeline > i {
    justify-self: center;
    color: rgba(0, 232, 216, 0.82);
    font-size: 1.4rem;
    line-height: 1;
}

.billing-infographic,
.appeals-infographic {
    position: relative;
    display: grid;
    gap: 1rem;
    min-height: 520px;
    padding: clamp(1.15rem, 3vw, 1.6rem);
    overflow: hidden;
    border: 1px solid rgba(0, 232, 216, 0.18);
    border-radius: 2rem;
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 232, 216, 0.16), transparent 34%),
        radial-gradient(circle at 82% 76%, rgba(0, 119, 255, 0.16), transparent 38%),
        rgba(255, 255, 255, 0.065);
    box-shadow: 0 28px 84px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(20px);
}

.billing-infographic::after,
.appeals-infographic::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    opacity: 0.10;
}

.billing-mockup,
.billing-flow,
.billing-status-row,
.appeals-mockup,
.appeals-flow,
.appeals-insight-row {
    position: relative;
    z-index: 1;
}

.billing-mockup,
.appeals-mockup {
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 1.55rem;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.20);
}

.billing-mockup img,
.appeals-mockup img {
    display: block;
    width: 100%;
    aspect-ratio: 1448 / 1086;
    object-fit: cover;
    object-position: 50% 48%;
}

.appeals-mockup img {
    object-position: 50% 46%;
}

.billing-flow,
.appeals-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 0.65rem;
    align-items: center;
}

.billing-flow div,
.billing-status-row div,
.appeals-flow div,
.appeals-insight-row div {
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 1.15rem;
    background: rgba(255, 255, 255, 0.08);
}

.billing-flow div,
.appeals-flow div {
    display: grid;
    gap: 0.35rem;
    min-width: 0;
    min-height: 94px;
    padding: 0.85rem;
}

.billing-flow i,
.appeals-flow i {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 0.9rem;
    color: var(--cyan);
    background: rgba(0, 232, 216, 0.10);
}

.billing-flow > i,
.appeals-flow > i {
    justify-self: center;
    width: auto;
    height: auto;
    color: rgba(0, 232, 216, 0.82);
    background: none;
    font-size: 1.35rem;
}

.appeals-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.appeals-flow > i {
    display: none;
}

.billing-flow strong,
.billing-status-row strong,
.appeals-flow strong,
.appeals-insight-row strong {
    color: #fff;
    font-size: 0.92rem;
    line-height: 1.2;
}

.billing-flow span,
.billing-status-row span,
.appeals-flow span,
.appeals-insight-row span {
    min-width: 0;
    color: rgba(255, 255, 255, 0.66);
    font-size: 0.78rem;
    font-weight: 650;
    line-height: 1.35;
}

.billing-status-row,
.appeals-insight-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.billing-status-row div,
.appeals-insight-row div {
    display: grid;
    gap: 0.25rem;
    padding: 0.9rem;
}

.billing-status-row div:first-child {
    border-color: rgba(0, 232, 216, 0.24);
}

.billing-status-row div:nth-child(2) {
    border-color: rgba(0, 119, 255, 0.22);
}

.appeals-insight-row div:first-child {
    border-color: rgba(0, 232, 216, 0.24);
}

.appeals-insight-row div:nth-child(2) {
    border-color: rgba(0, 119, 255, 0.22);
}

.case-two-column,
.case-value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-info-card,
.case-step,
.case-kpi,
.case-value-grid article {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(18px);
}

.case-info-card {
    padding: clamp(1.3rem, 3vw, 2rem);
}

.case-info-card h2 {
    font-size: clamp(1.65rem, 3vw, 2.55rem);
}

.case-step-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.case-step {
    min-height: 230px;
    padding: 1.2rem;
}

.case-step span {
    display: grid;
    width: 46px;
    height: 46px;
    margin-bottom: 1.1rem;
    place-items: center;
    border-radius: 50%;
    color: var(--graphite);
    background: var(--silver);
    font-size: 0.82rem;
    font-weight: 850;
}

.case-step h3,
.case-value-grid h3 {
    margin: 0 0 0.7rem;
    color: #fff;
    font-size: 1.12rem;
    font-weight: 760;
}

.case-step p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.6;
}

.case-solution-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
    align-items: center;
}

.case-architecture {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0.85rem;
    align-items: center;
    padding: clamp(1.15rem, 3vw, 1.6rem);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 1.6rem;
    background:
        radial-gradient(circle at 50% 50%, rgba(0, 232, 216, 0.13), transparent 40%),
        rgba(255, 255, 255, 0.06);
}

.review-architecture,
.bot-architecture,
.billing-architecture,
.appeals-architecture {
    grid-template-columns: 1fr auto 1fr auto 1fr;
}

.case-architecture i {
    color: rgba(0, 232, 216, 0.85);
    font-size: 1.7rem;
}

.case-arch-node {
    min-height: 112px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 1.2rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.07);
    font-size: 0.98rem;
    font-weight: 780;
}

.case-arch-node span {
    display: block;
    margin-top: 0.45rem;
    color: var(--text-soft);
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.45;
}

.case-arch-node.accent {
    border-color: rgba(0, 232, 216, 0.34);
    background: rgba(0, 232, 216, 0.10);
}

.case-tech-line {
    margin-top: 1.25rem;
}

.case-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.case-kpi {
    min-height: 190px;
    padding: 1.25rem;
}

.case-kpi strong {
    display: block;
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1;
}

.case-kpi span {
    display: block;
    margin-top: 0.9rem;
    color: var(--text-soft);
    line-height: 1.55;
}

.case-value-grid {
    margin-top: 1rem;
}

.case-value-grid article {
    padding: 1.4rem;
}

.case-value-grid ul {
    margin: 0;
    padding-left: 1.1rem;
}

.case-offer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: clamp(1.5rem, 4vw, 2.6rem);
    border: 1px solid var(--stroke);
    border-radius: 2.5rem;
    background:
        radial-gradient(circle at 16% 16%, rgba(0, 232, 216, 0.17), transparent 32%),
        radial-gradient(circle at 82% 74%, rgba(0, 119, 255, 0.15), transparent 36%),
        rgba(255, 255, 255, 0.08);
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.10);
    backdrop-filter: blur(22px);
}

.case-offer h2 {
    max-width: 780px;
}

.case-offer p {
    max-width: 720px;
    margin: 1rem 0 0;
}

@media (max-width: 1199.98px) {
    .case-step-grid,
    .case-kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991.98px) {
    .case-hero-grid,
    .case-solution-grid,
    .case-two-column,
    .case-value-grid,
    .case-offer {
        grid-template-columns: 1fr;
    }

    .case-mockup {
        max-width: 520px;
    }

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

    .review-infographic,
    .bot-infographic,
    .billing-infographic,
    .appeals-infographic {
        min-height: 480px;
    }

    .case-architecture i,
    .billing-flow > i,
    .appeals-flow > i {
        transform: rotate(90deg);
        justify-self: center;
    }

    .case-offer .btn-ai {
        width: fit-content;
    }
}

@media (max-width: 575.98px) {
    .case-hero-copy h1 {
        font-size: clamp(2.35rem, 13vw, 3.65rem);
    }

    .case-hero-copy h1.case-title-compact {
        font-size: clamp(2.35rem, 11.2vw, 3.1rem);
    }

    .case-step-grid,
    .case-kpi-grid {
        grid-template-columns: 1fr;
    }

    .case-mockup {
        border-radius: 1.45rem;
    }

    .case-mockup img {
        aspect-ratio: 1 / 1.1;
        object-position: 50% 36%;
    }

    .review-infographic {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .bot-infographic {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .billing-infographic,
    .appeals-infographic {
        min-height: auto;
    }

    .billing-flow,
    .appeals-flow {
        grid-template-columns: 1fr;
    }

    .appeals-flow > i {
        display: grid;
    }

    .billing-status-row,
    .appeals-insight-row {
        grid-template-columns: 1fr;
    }

    .review-core {
        width: min(210px, 68vw);
        justify-self: center;
    }

    .bot-mockup {
        width: 100%;
    }

    .review-sentiment div {
        grid-template-columns: 86px 1fr;
    }

    .case-offer {
        border-radius: 1.55rem;
    }
}