:root {
    --paper: #fbfaf8;
    --surface: #ffffff;
    --ink: #111827;
    --muted: #4b5563;
    --soft: #6b7280;
    --line: #e5e7eb;
    --accent: #0f766e;
    --accent-dark: #115e59;
    --accent-soft: #ecfdf5;
    --dark: #111827;
}

.technical-skin {
    --paper: #f9f9f9;
    --surface: #ffffff;
    --ink: #000000;
    --muted: #5d5e60;
    --soft: #86868b;
    --line: #d2d2d7;
    --accent: #000000;
    --accent-dark: #000000;
    --accent-soft: #f3f3f4;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.technical-skin .brand-font {
    font-family: "JetBrains Mono", Tektur, Inter, sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.technical-skin .site-nav {
    border-bottom-color: rgba(210, 210, 215, 0.72);
    background: rgba(249, 249, 249, 0.92);
    backdrop-filter: blur(16px);
}

.technical-skin .nav-inner,
.technical-skin .container {
    width: min(1200px, calc(100% - 48px));
}

.technical-skin .nav-inner {
    min-height: 74px;
    padding: 0;
}

.nav-menu-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.nav-menu-button {
    display: none;
}

.technical-skin .nav-links {
    display: flex;
    gap: clamp(18px, 2.6vw, 36px);
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.technical-skin .nav-links a:hover {
    color: var(--ink);
    text-decoration: none;
}

.technical-skin .nav-links a {
    flex: 0 0 auto;
    white-space: nowrap;
}

.technical-skin .nav-links a[aria-current="page"] {
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
}

.technical-skin .lang-link {
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
}

.technical-skin .lang-link span[aria-hidden="true"] {
    transform: none;
}

.technical-skin .lang-link.active {
    background: #000;
    color: #fff;
}

.technical-skin .site-footer {
    border-top-color: rgba(210, 210, 215, 0.72);
    background: #f3f3f4;
}

.technical-skin .footer-inner {
    padding-top: 70px;
    padding-bottom: 70px;
}

.technical-skin .footer-column h2,
.technical-skin .technical-label {
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.2;
    text-transform: uppercase;
}

.technical-skin .footer-column h2,
.technical-skin .technical-label {
    color: var(--soft);
}

.technical-skin .footer-links a {
    color: var(--muted);
}

.technical-skin .footer-links a:hover {
    color: var(--ink);
}

.technical-container {
    max-width: 1200px;
}

.diagnosis-home {
    padding-bottom: clamp(76px, 9vw, 128px);
}

.diagnosis-hero {
    padding: clamp(76px, 10vw, 132px) 0 clamp(52px, 7vw, 88px);
}

.diagnosis-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.68fr) minmax(280px, 0.32fr);
    gap: clamp(34px, 6vw, 78px);
    align-items: center;
}

.hero-copy {
    min-width: 0;
}

.hero-kicker {
    margin-bottom: 30px;
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-portrait {
    width: min(330px, 27vw);
    margin: 0;
    justify-self: end;
}

.hero-portrait img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    height: auto;
    border: 1px solid var(--line);
    border-radius: 999px;
    object-fit: cover;
    object-position: center 18%;
    filter: grayscale(0.08);
}

.diagnosis-hero h1,
.case-hero h1,
.case-cta h2 {
    font-family: "Hanken Grotesk", Inter, sans-serif;
    letter-spacing: 0;
}

.diagnosis-hero h1 {
    max-width: 880px;
    margin-bottom: 24px;
    font-size: clamp(3rem, 6.2vw, 5rem);
    font-weight: 700;
    line-height: 1.04;
}

.diagnosis-hero p {
    max-width: 760px;
    color: var(--muted);
    font-size: clamp(1.08rem, 1.7vw, 1.32rem);
    line-height: 1.55;
}

.diagnosis-paths .technical-container {
    display: grid;
    gap: 18px;
}

.diagnosis-card {
    display: grid;
    grid-template-columns: minmax(170px, 0.26fr) minmax(0, 1fr) auto;
    gap: clamp(24px, 4vw, 56px);
    align-items: center;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
    padding: clamp(24px, 4vw, 48px);
    color: inherit;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.diagnosis-card:hover,
.diagnosis-card:focus-visible {
    border-color: #000;
    background: #fff;
    transform: translateY(-2px);
}

.diagnosis-card h2 {
    max-width: 720px;
    margin-bottom: 12px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.55rem, 2.55vw, 2.6rem);
    font-weight: 600;
    line-height: 1.14;
    letter-spacing: 0;
}

.diagnosis-card p {
    max-width: 720px;
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.65;
}

.diagnosis-card strong,
.technical-link {
    color: var(--ink);
    font-size: 0.98rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.diagnosis-card strong span,
.technical-link span {
    display: inline-block;
    transition: transform 160ms ease;
}

.diagnosis-card:hover strong span,
.technical-link:hover span {
    transform: translateX(4px);
}

.case-page {
    padding-bottom: clamp(84px, 10vw, 140px);
}

.case-hero {
    border-bottom: 1px solid var(--line);
    padding: clamp(66px, 8vw, 108px) 0 clamp(52px, 7vw, 84px);
}

.case-hero .breadcrumb {
    margin-bottom: 24px;
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.case-hero .breadcrumb a {
    color: var(--soft);
}

.case-hero .breadcrumb a:hover {
    color: var(--ink);
}

.case-hero h1 {
    max-width: 1000px;
    margin-bottom: 28px;
    font-size: clamp(2.45rem, 5.2vw, 4.8rem);
    font-weight: 700;
    line-height: 1.06;
}

.case-hero-copy {
    display: grid;
    gap: 16px;
    max-width: 820px;
}

.case-hero-copy p {
    margin: 0;
    color: var(--muted);
    font-size: clamp(1.04rem, 1.45vw, 1.22rem);
    line-height: 1.68;
}

.case-examples {
    padding: clamp(58px, 8vw, 104px) 0 0;
}

.case-section-heading {
    display: grid;
    grid-template-columns: minmax(170px, 0.22fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: baseline;
    margin-bottom: 26px;
}

.case-section-heading h2 {
    margin: 0;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.85rem, 3vw, 3rem);
    font-weight: 600;
    line-height: 1.12;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.case-card {
    background: #f3f3f4;
    padding: clamp(24px, 3.4vw, 44px);
}

.case-card h3 {
    max-width: 520px;
    margin-bottom: 24px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.45rem, 2vw, 2rem);
    font-weight: 600;
    line-height: 1.15;
}

.case-card dl {
    display: grid;
    margin: 0;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.32);
}

.case-card dl div {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 22px;
    border-top: 1px solid var(--line);
    padding: 16px 18px;
}

.case-card dl div:first-child {
    border-top: 0;
}

.case-card dt {
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.case-card dd {
    margin: 0;
    color: #1a1c1c;
    font-size: 0.98rem;
    line-height: 1.55;
}

.case-applications {
    padding: clamp(52px, 7vw, 92px) 0 0;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.application-card {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
    padding: clamp(22px, 2.8vw, 34px);
}

.application-card h3 {
    margin: 0 0 10px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.16rem, 1.55vw, 1.42rem);
    font-weight: 600;
    line-height: 1.18;
}

.application-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.6;
}

.case-cta {
    border-top: 1px solid var(--line);
    margin-top: clamp(76px, 10vw, 128px);
    padding-top: clamp(64px, 8vw, 112px);
    text-align: center;
}

.case-cta .technical-container {
    max-width: 920px;
}

.case-cta h2 {
    margin: 0 auto 22px;
    font-size: clamp(2rem, 4vw, 3.7rem);
    font-weight: 700;
    line-height: 1.08;
}

.case-cta p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.68;
}

.case-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    justify-content: center;
    margin-top: 34px;
}

.journal-page,
.contact-page {
    padding-bottom: clamp(80px, 10vw, 136px);
}

.journal-hero,
.contact-hero {
    border-bottom: 1px solid var(--line);
    padding: clamp(66px, 8vw, 108px) 0 clamp(52px, 7vw, 84px);
}

.journal-hero h1,
.contact-hero h1 {
    max-width: 980px;
    margin-bottom: 24px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(2.55rem, 5.4vw, 4.9rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: 0;
}

.journal-hero p:not(.breadcrumb),
.contact-hero p:not(.breadcrumb) {
    max-width: 760px;
    color: var(--muted);
    font-size: clamp(1.04rem, 1.45vw, 1.22rem);
    line-height: 1.68;
}

.journal-page .breadcrumb,
.contact-page .breadcrumb {
    margin-bottom: 24px;
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.journal-page .breadcrumb a,
.contact-page .breadcrumb a {
    color: var(--soft);
}

.journal-topics {
    padding: clamp(58px, 8vw, 104px) 0 0;
}

.journal-articles {
    padding: clamp(58px, 8vw, 104px) 0 0;
}

.journal-entry-card {
    max-width: 860px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.68);
    padding: clamp(26px, 4vw, 42px);
}

.journal-entry-card h2 {
    max-width: 700px;
    margin: 12px 0 16px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    font-weight: 600;
    line-height: 1.12;
}

.journal-entry-card h2 a {
    color: var(--ink);
    text-decoration: none;
}

.journal-entry-card h2 a:hover {
    color: var(--muted);
}

.journal-entry-card > p:not(.journal-entry-meta) {
    max-width: 700px;
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
}

.journal-entry-meta,
.article-meta {
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    line-height: 1.6;
    text-transform: uppercase;
}

.journal-entry-card .technical-link {
    margin-top: 24px;
}

.journal-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.journal-card {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.68);
    padding: 24px;
}

.journal-card h2 {
    margin: 18px 0 12px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: 1.38rem;
    line-height: 1.18;
    font-weight: 600;
}

.journal-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.62;
}

.journal-note {
    border-top: 1px solid var(--line);
    margin-top: clamp(56px, 7vw, 88px);
    padding-top: 28px;
}

.journal-note p {
    max-width: 760px;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.72;
}

.contact-content {
    padding: clamp(58px, 8vw, 100px) 0 0;
}

.contact-stack {
    display: grid;
    gap: clamp(36px, 5vw, 64px);
}

.contact-wide-photo {
    margin: 0;
}

.contact-wide-photo img {
    display: block;
    width: 100%;
    height: clamp(220px, 26vw, 340px);
    border: 1px solid var(--line);
    border-radius: 8px;
    object-fit: cover;
    object-position: 62% 42%;
    filter: grayscale(0.08);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(360px, 0.58fr);
    gap: clamp(40px, 6vw, 84px);
    align-items: start;
}

.contact-copy h2 {
    margin-bottom: 16px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.75rem);
    font-weight: 600;
    line-height: 1.12;
}

.contact-copy p {
    max-width: 620px;
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.7;
}

.contact-lines {
    display: grid;
    margin: 32px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}

.contact-lines li {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    border-bottom: 1px solid var(--line);
    padding: 16px 0;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.5;
}

.contact-lines strong {
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-lines a {
    color: var(--ink);
    text-decoration: none;
}

.contact-lines a:hover {
    text-decoration: underline;
    text-underline-offset: 5px;
}

.technical-contact-panel {
    border: 1px solid var(--line);
    background: #f3f3f4;
    padding: clamp(22px, 3vw, 34px);
}

.technical-contact-panel .field {
    margin-bottom: 18px;
}

.technical-contact-panel label {
    display: block;
    margin-bottom: 8px;
    color: var(--soft);
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.technical-contact-panel input,
.technical-contact-panel textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0;
    background: #fff;
    padding: 13px 14px;
    color: var(--ink);
    font: inherit;
}

.technical-contact-panel input:focus,
.technical-contact-panel textarea:focus {
    border-color: #000;
    outline: 1px solid #000;
}

.technical-contact-panel .footer-meta {
    margin: 16px 0 0;
    color: var(--muted);
}

.technical-skin .button {
    min-height: 44px;
    border: 1px solid #000;
    border-radius: 0;
    background: #000;
    padding: 12px 24px;
    color: #fff;
    font-family: "JetBrains Mono", Inter, sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.technical-skin .button:hover {
    background: #2f3131;
}

@media (max-width: 980px) {
    .technical-skin .nav-inner {
        flex-wrap: wrap;
        min-height: auto;
        padding: 16px 0;
    }

    .technical-skin .brand-link {
        order: 1;
    }

    .technical-skin .nav-actions {
        order: 2;
        margin-left: auto;
        gap: 6px;
    }

    .nav-menu-button {
        order: 3;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        margin-left: 10px;
        border: 1px solid var(--line);
        place-items: center;
        cursor: pointer;
    }

    .nav-menu-button span[aria-hidden="true"] {
        display: block;
        width: 17px;
        height: 2px;
        margin: 2px 0;
        background: var(--ink);
    }

    .technical-skin .nav-links {
        order: 4;
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: 12px;
        border-top: 1px solid var(--line);
        padding-top: 8px;
    }

    .nav-menu-toggle:checked ~ .nav-links {
        display: flex;
    }

    .technical-skin .nav-links a {
        padding: 13px 0;
        border-bottom: 1px solid rgba(210, 210, 215, 0.6);
        white-space: normal;
    }

    .diagnosis-card,
    .case-section-heading {
        grid-template-columns: 1fr;
        gap: 18px;
    }

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

    .hero-portrait {
        width: min(280px, 70vw);
        justify-self: start;
    }

    .diagnosis-card {
        align-items: start;
    }

    .case-grid,
    .application-grid,
    .journal-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .technical-skin .nav-inner,
    .technical-skin .container {
        width: min(100% - 32px, 1200px);
    }

    .technical-skin .nav-inner {
        row-gap: 10px;
        padding: 14px 0 12px;
    }

    .technical-skin .brand-font {
        font-size: 0.74rem;
    }

    .technical-skin .lang-link {
        width: 32px;
        height: 32px;
    }

    .nav-menu-button {
        width: 36px;
        height: 36px;
        margin-left: 6px;
    }

    .diagnosis-hero {
        padding: 46px 0 42px;
    }

    .diagnosis-hero-grid {
        display: grid;
        grid-template-columns: minmax(126px, 0.42fr) minmax(0, 1fr);
        grid-template-areas:
            "portrait kicker"
            "headline headline"
            "body body";
        column-gap: 18px;
        row-gap: 24px;
        align-items: center;
    }

    .hero-copy {
        display: contents;
    }

    .hero-portrait {
        grid-area: portrait;
        width: min(150px, 39vw);
        justify-self: start;
    }

    .hero-kicker {
        grid-area: kicker;
        align-self: center;
        font-size: 0.64rem;
        line-height: 1.6;
        margin-bottom: 0;
        overflow-wrap: break-word;
    }

    .diagnosis-hero h1 {
        grid-area: headline;
        max-width: 100%;
        margin-bottom: 18px;
        font-size: clamp(2rem, 8.8vw, 2.5rem);
        line-height: 1.02;
        overflow-wrap: break-word;
    }

    .hero-copy > p:not(.hero-kicker) {
        grid-area: body;
        max-width: 100%;
        font-size: 1rem;
        line-height: 1.6;
        overflow-wrap: break-word;
    }

    .diagnosis-paths .technical-container {
        gap: 14px;
    }

    .diagnosis-card {
        gap: 14px;
        padding: 20px;
    }

    .diagnosis-card h2 {
        max-width: 100%;
        font-size: clamp(1.32rem, 6.4vw, 1.72rem);
        line-height: 1.08;
        overflow-wrap: break-word;
    }

    .diagnosis-card p {
        max-width: 34ch;
        margin-top: 12px;
        font-size: 0.96rem;
        overflow-wrap: break-word;
    }

    .diagnosis-card strong,
    .technical-link {
        white-space: normal;
    }

    .case-hero {
        padding-top: 46px;
    }

    .case-card {
        padding: 22px;
    }

    .case-card dl div {
        grid-template-columns: 1fr;
        gap: 7px;
        padding: 14px;
    }

    .case-actions {
        justify-content: flex-start;
        gap: 16px;
        text-align: left;
    }

    .case-cta {
        text-align: left;
    }

    .journal-card {
        padding: 22px;
    }

    .contact-lines li {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .contact-wide-photo img {
        height: 190px;
    }

    .technical-contact-panel {
        padding: 22px;
    }
}

@media (max-width: 480px) {
    .technical-skin .nav-inner,
    .technical-skin .container {
        width: min(100% - 28px, 1200px);
    }

    .nav-menu-button {
        order: 2;
        display: inline-flex !important;
        flex: 0 0 36px;
        margin-left: auto;
    }

    .technical-skin .nav-actions {
        order: 3;
        flex: 0 0 auto;
        margin-left: 6px;
    }

    .technical-skin .nav-actions .lang-link:not(.active) {
        display: none;
    }

    .diagnosis-hero-grid {
        grid-template-columns: minmax(110px, 0.4fr) minmax(0, 1fr);
        column-gap: 14px;
    }

    .hero-portrait {
        width: min(138px, 36vw);
    }

    .diagnosis-hero h1 {
        width: min(100%, 12ch);
        max-width: none;
        justify-self: start;
    }

    .diagnosis-card h2 {
        width: min(100%, 18ch);
        max-width: none;
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

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

a {
    color: inherit;
}

.brand-font {
    font-family: Tektur, Inter, sans-serif;
    font-weight: 500;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    clip-path: inset(50%);
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--line);
    background: rgba(251, 250, 248, 0.92);
    backdrop-filter: blur(14px);
}

.nav-inner,
.container {
    width: min(1280px, calc(100% - 56px));
    margin: 0 auto;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 17px 0;
}

.brand-link {
    flex: 0 0 auto;
    text-decoration: none;
    font-size: 1.38rem;
    color: var(--ink);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    color: #9fa8b4;
    font-size: 0.98rem;
    font-weight: 500;
}

.nav-links a,
.nav-actions a,
.footer-links a {
    text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
}

.nav-links a[aria-current="page"] {
    color: var(--ink);
    font-weight: 650;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 6px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-link {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(229, 231, 235, 0.9);
    border-radius: 999px;
    padding: 0;
    color: #8f98a6;
    font-size: 1.55rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
}

.lang-link span[aria-hidden="true"] {
    display: block;
    line-height: 1;
    transform: scale(1.12);
}

.lang-link.active {
    border-color: #d1d5db;
    background: rgba(255, 255, 255, 0.72);
    color: var(--ink);
}

.button,
.button-secondary,
.button-dark {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    padding: 11px 18px;
    font-size: 0.92rem;
    font-weight: 800;
    text-decoration: none;
}

.button {
    background: var(--accent);
    color: #fff;
}

.button:hover {
    background: var(--accent-dark);
}

.button.subtle {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--muted);
}

.button.subtle:hover {
    border-color: var(--accent);
    background: transparent;
    color: var(--accent-dark);
}

.button-secondary {
    border: 1px solid #d1d5db;
    color: var(--ink);
}

.button-secondary:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
}

.button-dark {
    background: #fff;
    color: var(--ink);
}

.focus-ring:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.35);
    outline-offset: 3px;
}

.hero {
    padding: 78px 0 70px;
}

.decision-main {
    min-height: calc(100vh - 78px);
    display: flex;
    align-items: center;
    padding: clamp(42px, 5.5vh, 68px) 0 clamp(46px, 6vh, 74px);
}

.decision-wrap {
    display: grid;
    gap: 44px;
    max-width: 1060px;
    margin: 0 auto;
}

.decision-intro {
    max-width: 880px;
    margin: 0 auto;
}

.decision-positioning {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    max-width: 880px;
}

.decision-avatar {
    width: 104px;
    height: 104px;
    border: 1px solid var(--line);
    border-radius: 999px;
    object-fit: cover;
    object-position: center 32%;
    box-shadow: 0 10px 26px rgba(17, 24, 39, 0.08);
}

.decision-title {
    margin-bottom: 0;
    color: #374151;
    font-size: clamp(1.24rem, 1.65vw, 1.56rem);
    font-weight: 500;
    line-height: 1.48;
    letter-spacing: 0;
}

.decision-question {
    margin: 32px 0 0;
    max-width: 880px;
    font-size: clamp(2.2rem, 3.45vw, 3.18rem);
    line-height: 1.12;
    letter-spacing: 0;
}

.decision-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.decision-card {
    min-height: 238px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 32px;
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.decision-card:hover,
.decision-card:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(15, 118, 110, 0.45);
    box-shadow: 0 16px 36px rgba(17, 24, 39, 0.07);
}

.decision-card strong {
    display: block;
    max-width: 320px;
    font-size: 1.42rem;
    line-height: 1.18;
}

.decision-card p {
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.64;
}

.decision-card span {
    margin-top: 30px;
    color: var(--accent-dark);
    font-size: 0.92rem;
    font-weight: 850;
}

.hero-grid,
.split-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 52px;
    align-items: start;
}

.audience-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
    gap: 56px;
    align-items: center;
}

.audience-hero-copy {
    min-width: 0;
}

.audience-summary {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.66);
    padding: 26px;
    box-shadow: 0 18px 44px rgba(17, 24, 39, 0.05);
}

.audience-summary-group + .audience-summary-group {
    border-top: 1px solid var(--line);
    margin-top: 22px;
    padding-top: 22px;
}

.audience-summary h2 {
    margin-bottom: 12px;
    color: var(--ink);
    font-size: 0.92rem;
    line-height: 1.25;
}

.audience-summary ul {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.55;
    list-style: none;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

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

.hero h1 {
    margin-bottom: 22px;
    max-width: 820px;
    font-size: clamp(2.6rem, 5vw, 5.1rem);
    line-height: 0.98;
    letter-spacing: 0;
}

.hero-lede {
    max-width: 700px;
    color: #374151;
    font-size: 1.18rem;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.signal-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 34px;
    color: var(--muted);
    font-size: 0.9rem;
}

.signal-list p,
.line-list li {
    border-left: 2px solid var(--line);
    padding-left: 14px;
}

.signal-list p:first-child,
.line-list li:first-child {
    border-left-color: var(--accent);
}

.question-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 28px;
    box-shadow: 0 18px 44px rgba(17, 24, 39, 0.07);
}

.question-panel h2 {
    margin-bottom: 12px;
    font-size: 1.7rem;
    line-height: 1.18;
}

.question-panel p {
    color: var(--muted);
}

.path-list {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.path-row {
    display: block;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    padding: 16px;
    text-decoration: none;
}

.path-row strong {
    display: block;
    color: var(--ink);
}

.path-row span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.9rem;
}

.path-row:hover {
    border-color: rgba(15, 118, 110, 0.45);
    box-shadow: 0 12px 26px rgba(17, 24, 39, 0.06);
}

.section {
    border-top: 1px solid var(--line);
    padding: 76px 0;
}

.section.white {
    background: var(--surface);
}

.section.dark {
    border-top: 0;
    background: #111827;
    color: #fff;
}

.section-header {
    max-width: 760px;
}

.section-header h2,
.page-header h1 {
    margin-bottom: 16px;
    font-size: clamp(2rem, 3vw, 3.1rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.section-header p,
.page-header p {
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.75;
}

.dark .section-header p,
.dark .cta-text,
.dark .line-list {
    color: #d1d5db;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 36px;
}

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

.card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 24px;
}

.card.tinted {
    background: var(--paper);
}

.problem-cards {
    gap: 22px;
}

.problem-card {
    min-height: 150px;
    padding: 30px;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.problem-card:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 118, 110, 0.34);
    box-shadow: 0 14px 34px rgba(17, 24, 39, 0.06);
}

.card h3 {
    margin-bottom: 10px;
    font-size: 1.15rem;
    line-height: 1.25;
}

.problem-card h3 {
    margin-bottom: 12px;
    font-size: 1.24rem;
    line-height: 1.22;
}

.card p,
.card li {
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.65;
}

.problem-card p {
    font-size: 0.98rem;
}

.card ul,
.line-list {
    display: grid;
    gap: 10px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.card-link {
    display: inline-flex;
    margin-top: 18px;
    color: var(--accent-dark);
    font-weight: 800;
    text-decoration: none;
}

.card-link:hover {
    color: #134e4a;
}

.page-header {
    padding: 70px 0 58px;
}

.page-header.compact {
    padding-bottom: 34px;
}

.section.contact-section {
    padding-top: 38px;
}

.page-header h1 {
    max-width: 840px;
}

.page-header p {
    max-width: 760px;
}

.breadcrumb {
    margin-bottom: 22px;
    color: var(--soft);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent-dark);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.tag {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    padding: 6px 10px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.filter-row a {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    padding: 8px 12px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
}

.filter-row a:hover,
.filter-row a[aria-current="page"] {
    border-color: #d1d5db;
    color: var(--ink);
}

.article-list,
.recommended-list {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

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

.article-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 24px;
}

.article-card h3 {
    margin-bottom: 10px;
    font-size: 1.18rem;
    line-height: 1.3;
}

.article-card p {
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.65;
}

.article-card .card-link {
    margin-top: 16px;
}

.empty-state {
    border: 1px dashed #d1d5db;
    border-radius: 8px;
    padding: 22px;
    color: var(--soft);
    font-size: 0.94rem;
    line-height: 1.6;
}

.audience-page .page-header {
    padding: 60px 0 46px;
}

.audience-page .section {
    padding: 54px 0;
}

.audience-page .eyebrow {
    margin-bottom: 9px;
    color: var(--soft);
    font-size: 0.8rem;
    font-weight: 560;
    letter-spacing: 0;
    text-transform: none;
}

.audience-page .section-header h2 {
    max-width: 720px;
    margin-bottom: 12px;
    font-size: clamp(1.45rem, 1.9vw, 2.08rem);
    line-height: 1.22;
    font-weight: 690;
}

.audience-page .section-header p,
.audience-page .page-header p {
    font-size: 1rem;
}

.audience-page .audience-hero {
    gap: 48px;
}

.audience-page .cards {
    gap: 16px;
    margin-top: 24px;
}

.audience-page .split-grid {
    gap: 36px;
}

.audience-page .card {
    border-color: rgba(229, 231, 235, 0.82);
    padding: 22px;
}

.audience-page .card h3 {
    margin-bottom: 9px;
    font-size: 1.08rem;
    line-height: 1.3;
    font-weight: 690;
}

.audience-page .card p,
.audience-page .card li {
    font-size: 0.93rem;
    line-height: 1.62;
}

.audience-page .problem-cards {
    gap: 16px;
}

.audience-page .problem-card {
    min-height: 136px;
    padding: 24px;
}

.audience-page .problem-card:hover {
    transform: translateY(-1px);
    border-color: rgba(15, 118, 110, 0.24);
    box-shadow: 0 8px 22px rgba(17, 24, 39, 0.035);
}

.audience-page .problem-card h3 {
    margin-bottom: 10px;
    font-size: 1.13rem;
}

.audience-page .audience-summary {
    border-color: rgba(229, 231, 235, 0.58);
    background: rgba(255, 255, 255, 0.38);
    padding: 22px;
    box-shadow: none;
}

.audience-page .audience-summary-group + .audience-summary-group {
    border-top-color: rgba(229, 231, 235, 0.58);
    margin-top: 18px;
    padding-top: 18px;
}

.audience-page .audience-summary h2 {
    margin-bottom: 10px;
    color: #6b7280;
    font-size: 0.82rem;
    font-weight: 600;
}

.audience-page .audience-summary ul {
    color: var(--soft);
    gap: 7px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.audience-page .section.dark {
    background: #1f2937;
    padding: 46px 0;
}

.audience-page .section.dark .eyebrow {
    color: #aeb7c3;
}

.audience-page .cta-band h2 {
    max-width: 780px;
    font-size: clamp(1.45rem, 2vw, 2.08rem);
    line-height: 1.2;
    font-weight: 690;
}

.audience-page .cta-text {
    max-width: 560px;
    font-size: 0.96rem;
}

.audience-page .cta-band {
    gap: 22px;
}

.audience-page .button-dark {
    min-height: 42px;
    padding: 10px 16px;
    font-weight: 740;
}

.audience-page .process {
    gap: 14px;
}

.audience-page .process .step {
    border-color: rgba(229, 231, 235, 0.76);
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
    background: transparent;
    padding: 20px 0 0;
}

.audience-page .process .step::before {
    margin-bottom: 10px;
    color: var(--soft);
    font-size: 0.78rem;
    font-weight: 640;
}

.expert-page {
    background: var(--paper);
}

.expert-readable {
    max-width: 940px;
}

.expert-hero {
    border-bottom: 1px solid var(--line);
    padding: 56px 0 48px;
}

.expert-hero h1 {
    max-width: 820px;
    margin-bottom: 18px;
    font-size: clamp(2rem, 3.25vw, 3.35rem);
    line-height: 1.12;
    font-weight: 720;
    letter-spacing: 0;
}

.expert-lede {
    max-width: 800px;
    color: #374151;
    font-size: 1.04rem;
    line-height: 1.78;
}

.expert-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    margin-top: 30px;
}

.expert-secondary-link {
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 650;
    text-decoration: none;
}

.expert-secondary-link:hover {
    color: var(--accent-dark);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
}

.expert-content {
    padding: 18px 0 68px;
}

.expert-article-section {
    border-top: 1px solid rgba(229, 231, 235, 0.9);
    padding: 46px 0 6px;
}

.expert-article-section:first-child {
    border-top: 0;
}

.expert-article-section h2,
.expert-final-cta h2 {
    max-width: 880px;
    margin-bottom: 18px;
    font-size: clamp(1.45rem, 2vw, 2.15rem);
    line-height: 1.22;
    font-weight: 680;
    letter-spacing: 0;
}

.expert-article-section > p,
.expert-final-cta p {
    max-width: 800px;
    color: #374151;
    font-size: 1.02rem;
    line-height: 1.82;
}

.expert-service-list,
.expert-process {
    display: grid;
    gap: 24px;
    margin-top: 28px;
}

.expert-service-row {
    padding: 0 0 2px;
}

.expert-service-row h3,
.expert-process h3 {
    margin-bottom: 7px;
    font-size: 1.02rem;
    line-height: 1.34;
    font-weight: 650;
}

.expert-service-row p,
.expert-process p {
    max-width: 760px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.74;
}

.situations-list,
.expert-simple-list {
    display: grid;
    gap: 12px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.situations-list li,
.expert-simple-list li {
    position: relative;
    padding-left: 22px;
    color: #374151;
    font-size: 1rem;
    line-height: 1.74;
}

.situations-list li::before,
.expert-simple-list li::before {
    content: "";
    position: absolute;
    top: 0.78em;
    left: 0;
    width: 7px;
    height: 7px;
    border: 1px solid rgba(15, 118, 110, 0.45);
    border-radius: 999px;
    background: var(--surface);
}

.expert-process {
    counter-reset: technical-steps;
}

.expert-process article {
    position: relative;
    padding-left: 42px;
}

.expert-process article::before {
    counter-increment: technical-steps;
    content: "0" counter(technical-steps);
    position: absolute;
    top: 2px;
    left: 0;
    color: var(--soft);
    font-size: 0.82rem;
    font-weight: 650;
}

.expert-final-cta {
    border: 1px solid rgba(229, 231, 235, 0.86);
    border-radius: 8px;
    margin-top: 52px;
    max-width: 900px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.52);
}

.expert-final-cta h2 {
    margin-bottom: 12px;
    font-size: clamp(1.45rem, 2.1vw, 2.05rem);
}

.expert-final-cta .button {
    margin-top: 8px;
}

.expert-page .button {
    font-weight: 720;
}

.problem-home {
    padding: 0 0 76px;
}

.problem-readable {
    max-width: 1040px;
}

.problem-opening {
    padding: clamp(54px, 7vw, 92px) 0 clamp(28px, 4vw, 48px);
}

.problem-kicker {
    margin-bottom: 22px;
    color: var(--soft);
    font-size: 0.84rem;
    font-weight: 560;
}

.problem-opening h1 {
    max-width: 780px;
    margin-bottom: 24px;
    color: #1f2937;
    font-size: clamp(1.9rem, 2.85vw, 3.05rem);
    line-height: 1.14;
    font-weight: 640;
    letter-spacing: 0;
}

.problem-opening p:not(.problem-kicker) {
    max-width: 760px;
    color: var(--muted);
    font-size: clamp(1rem, 1.1vw, 1.1rem);
    line-height: 1.78;
}

.problem-opening p + p {
    margin-top: 12px;
}

.problem-note {
    color: var(--soft);
}

.problem-audience-switch {
    padding: 0 0 clamp(26px, 4vw, 44px);
}

.problem-audience-switch h2 {
    margin-bottom: 12px;
    color: var(--soft);
    font-size: 0.92rem;
    line-height: 1.45;
    font-weight: 560;
}

.problem-audience-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid rgba(229, 231, 235, 0.9);
}

.problem-audience-links a {
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
    padding: 18px 24px 18px 0;
    color: inherit;
    text-decoration: none;
}

.problem-audience-links a + a {
    border-left: 1px solid rgba(229, 231, 235, 0.72);
    padding-left: 24px;
}

.problem-audience-links span {
    display: block;
    color: #374151;
    font-size: 1rem;
    font-weight: 580;
    line-height: 1.4;
}

.problem-audience-links small {
    display: block;
    margin-top: 6px;
    color: var(--soft);
    font-size: 0.9rem;
    line-height: 1.58;
}

.problem-audience-links a:hover span {
    color: var(--accent-dark);
}

.problem-examples {
    padding: 4px 0 0;
}

.problem-examples h2 {
    margin-bottom: 14px;
    color: var(--muted);
    font-size: clamp(1.02rem, 1.18vw, 1.16rem);
    line-height: 1.45;
    font-weight: 560;
    letter-spacing: 0;
}

.problem-audience-group {
    scroll-margin-top: 104px;
    border-top: 1px solid rgba(229, 231, 235, 0.9);
    padding: clamp(30px, 4.5vw, 52px) 0 0;
}

.problem-audience-group + .problem-audience-group {
    margin-top: clamp(26px, 4vw, 44px);
}

.problem-audience-heading {
    display: grid;
    grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 58px);
    margin-bottom: 6px;
}

.problem-audience-heading h3 {
    margin: 0;
    color: #374151;
    font-size: clamp(1.02rem, 1.2vw, 1.18rem);
    line-height: 1.4;
    font-weight: 600;
}

.problem-audience-heading p {
    max-width: 720px;
    margin: 0;
    color: var(--soft);
    font-size: 0.98rem;
    line-height: 1.72;
}

.problem-category {
    display: grid;
    grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 58px);
    border-top: 1px solid rgba(229, 231, 235, 0.72);
    padding: clamp(24px, 3.5vw, 38px) 0;
}

.problem-category h4 {
    margin: 0.08rem 0 0;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.45;
    font-weight: 560;
    letter-spacing: 0;
    text-transform: none;
}

.problem-category ul {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.problem-category li {
    border-top: 1px solid rgba(229, 231, 235, 0.64);
    padding: 14px 0;
    color: var(--muted);
    font-size: clamp(0.98rem, 1vw, 1.03rem);
    line-height: 1.72;
}

.problem-category li:first-child {
    border-top: 0;
    padding-top: 0;
}

.problem-category li:last-child {
    padding-bottom: 0;
}

.problem-secondary-paths {
    padding: 34px 0 0;
}

.problem-secondary-paths h2 {
    margin-bottom: 12px;
    color: var(--soft);
    font-size: 0.92rem;
    line-height: 1.4;
    font-weight: 560;
}

.problem-link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.problem-link-row a {
    border-bottom: 1px solid rgba(209, 213, 219, 0.92);
    padding: 0 0 3px;
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 620;
    text-decoration: none;
}

.problem-link-row a:hover {
    border-color: rgba(15, 118, 110, 0.48);
    color: var(--accent-dark);
}

.problem-cta {
    padding: clamp(38px, 5vw, 60px) 0 0;
}

.problem-cta .problem-readable {
    border-top: 1px solid rgba(229, 231, 235, 0.9);
    padding-top: clamp(28px, 4vw, 40px);
}

.problem-cta h2 {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.45;
    font-weight: 560;
    letter-spacing: 0;
    text-transform: none;
}

.problem-cta-copy {
    max-width: 760px;
}

.problem-cta p {
    max-width: 760px;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.78;
}

.problem-cta p:first-child {
    color: #374151;
    font-size: 1.02rem;
}

.problem-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.problem-home .button {
    min-height: 42px;
    border: 1px solid rgba(209, 213, 219, 0.9);
    background: transparent;
    padding: 10px 15px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 620;
}

.problem-home .button:hover {
    border-color: rgba(15, 118, 110, 0.38);
    background: transparent;
    color: var(--accent-dark);
}

.process {
    counter-reset: steps;
}

.step {
    position: relative;
}

.step::before {
    counter-increment: steps;
    content: "0" counter(steps);
    display: block;
    margin-bottom: 18px;
    color: var(--accent);
    font-weight: 850;
}

.cta-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
    align-items: center;
}

.cta-band h2 {
    margin-bottom: 12px;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.08;
}

.cta-text {
    max-width: 680px;
    color: #d1d5db;
    font-size: 1.03rem;
    line-height: 1.7;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.84fr) minmax(340px, 540px);
    gap: 48px;
    align-items: start;
    max-width: 1120px;
}

.contact-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 34px;
    box-shadow: 0 18px 42px rgba(17, 24, 39, 0.06);
}

.contact-details {
    max-width: 500px;
}

.contact-details h2 {
    margin-bottom: 14px;
    font-size: 1.35rem;
    line-height: 1.25;
}

.contact-details .hero-lede {
    font-size: 1rem;
    line-height: 1.7;
}

.contact-panel label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 800;
}

.contact-panel input,
.contact-panel textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 14px 15px;
    font: inherit;
}

.contact-panel input:focus,
.contact-panel textarea:focus {
    border-color: rgba(15, 118, 110, 0.6);
}

.field {
    margin-bottom: 20px;
}

.article-body {
    border-top: 1px solid var(--line);
    margin-top: 42px;
    padding-top: 36px;
}

.article-page .journal-hero h1 {
    max-width: 1080px;
}

.article-page .journal-hero .article-excerpt {
    max-width: 820px;
    margin-top: 24px;
}

.article-page .article-meta {
    margin-top: 28px;
}

.article-content {
    padding: clamp(58px, 8vw, 104px) 0 0;
}

.article-page .article-body {
    max-width: 820px;
    border-top: 0;
    margin-top: 0;
    padding-top: 0;
}

.article-body h2 {
    margin: 56px 0 18px;
    font-family: "Hanken Grotesk", Inter, sans-serif;
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.18;
}

.article-body p,
.article-body li {
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.82;
}

.article-body p {
    margin: 0 0 20px;
}

.article-body ul,
.article-body ol {
    display: grid;
    gap: 10px;
    margin: 16px 0 24px;
    padding-left: 26px;
}

.article-body blockquote {
    border-left: 2px solid var(--ink);
    margin: 28px 0;
    padding: 2px 0 2px 24px;
}

.article-body blockquote p {
    margin: 0;
    color: var(--ink);
    font-size: 1.08rem;
}

.article-body pre {
    overflow-x: auto;
    margin: 28px 0;
    background: #111111;
    padding: 22px;
    color: #f5f5f5;
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 0.86rem;
    line-height: 1.72;
    white-space: pre-wrap;
}

.article-body :not(pre) > code {
    border: 1px solid var(--line);
    background: var(--surface);
    padding: 0.12em 0.34em;
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 0.88em;
}

.article-series-note {
    max-width: 820px;
    border-top: 1px solid var(--line);
    margin-top: clamp(60px, 8vw, 96px);
    padding-top: 28px;
}

.article-series-note p {
    max-width: 680px;
    color: var(--muted);
    line-height: 1.72;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 42px 0;
    background: var(--paper);
}

.footer-inner {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) minmax(420px, auto);
    gap: 48px;
    align-items: start;
}

.footer-brand {
    max-width: 340px;
}

.footer-brand .brand-font {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.footer-tagline {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(160px, 1fr));
    gap: 34px;
}

.footer-column h2 {
    margin: 0 0 12px;
    color: var(--soft);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.footer-links {
    display: grid;
    gap: 9px;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 600;
}

.footer-meta {
    margin-top: 18px;
    color: var(--soft);
    font-size: 0.88rem;
}

.mobile-only {
    display: none;
}

@media (min-width: 1800px) {
    .nav-inner,
    .container {
        width: min(1680px, calc(100% - 96px));
    }

    .nav-inner {
        padding: 20px 0;
    }

    .brand-link {
        font-size: 1.56rem;
    }

    .nav-links {
        gap: 30px;
        font-size: 1.05rem;
    }

    .lang-link {
        width: 44px;
        height: 44px;
        padding: 0;
        font-size: 1.65rem;
    }

    .decision-main {
        min-height: calc(100vh - 88px);
        padding: clamp(64px, 6.5vh, 96px) 0 clamp(68px, 7vh, 104px);
    }

    .decision-wrap {
        max-width: 1420px;
        gap: 76px;
    }

    .decision-intro,
    .decision-positioning,
    .decision-question {
        max-width: 1188px;
    }

    .decision-positioning {
        gap: 40px;
    }

    .decision-avatar {
        width: 152px;
        height: 152px;
    }

    .decision-title {
        font-size: clamp(1.85rem, 1.8vw, 2.38rem);
        line-height: 1.42;
    }

    .decision-question {
        margin-top: 50px;
        font-size: clamp(4rem, 3.7vw, 5.2rem);
    }

    .decision-cards {
        gap: 36px;
    }

    .decision-card {
        min-height: 410px;
        border-radius: 10px;
        padding: 56px;
    }

    .decision-card strong {
        max-width: 460px;
        font-size: 2.22rem;
    }

    .decision-card p {
        margin-top: 34px;
        font-size: 1.28rem;
    }

    .decision-card span {
        margin-top: 50px;
        font-size: 1.08rem;
    }
}

@media (max-width: 1180px) {
    .decision-wrap {
        max-width: 990px;
        gap: 40px;
    }

    .decision-avatar {
        width: 94px;
        height: 94px;
    }

    .decision-title {
        font-size: clamp(1.16rem, 1.75vw, 1.46rem);
    }

    .decision-question {
        margin-top: 30px;
        font-size: clamp(2rem, 3.35vw, 2.85rem);
    }

    .decision-card {
        min-height: 214px;
        padding: 28px;
    }

    .decision-card strong {
        font-size: 1.3rem;
    }

    .decision-card p {
        font-size: 0.98rem;
    }
}

@media (max-width: 960px) {
    .nav-links {
        display: none;
    }

    .mobile-only {
        display: inline-flex;
    }

    .hero-grid,
    .audience-hero,
    .split-grid,
    .contact-grid,
    .cta-band {
        grid-template-columns: 1fr;
    }

    .audience-summary {
        max-width: 560px;
    }

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

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

    .decision-cards,
    .article-list,
    .cards,
    .cards.two,
    .signal-list {
        grid-template-columns: 1fr;
    }

    .decision-avatar {
        width: 72px;
        height: 72px;
    }

    .hero {
        padding-top: 56px;
    }

    .cta-band {
        align-items: start;
    }

    .expert-process {
        gap: 20px;
    }

    .contact-grid {
        gap: 30px;
        align-items: start;
    }

    .problem-category {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .problem-audience-links {
        grid-template-columns: 1fr;
    }

    .problem-audience-links a {
        padding: 15px 0;
    }

    .problem-audience-links a + a {
        border-left: 0;
        padding-left: 0;
    }

    .problem-audience-heading {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .problem-category h4 {
        max-width: 720px;
    }
}

@media (max-width: 640px) {
    .nav-inner,
    .container {
        width: min(100% - 28px, 1440px);
    }

    .brand-link {
        font-size: 1.1rem;
    }

    .nav-actions .button {
        display: none;
    }

    .decision-main {
        padding: 34px 0 44px;
    }

    .decision-wrap {
        gap: 30px;
    }

    .decision-card {
        min-height: 150px;
    }

    .problem-home {
        padding-bottom: 50px;
    }

    .problem-opening {
        padding: 42px 0 24px;
    }

    .problem-kicker {
        margin-bottom: 16px;
        font-size: 0.84rem;
    }

    .problem-opening h1 {
        font-size: clamp(1.72rem, 7.1vw, 2.08rem);
        line-height: 1.16;
    }

    .problem-opening p:not(.problem-kicker),
    .problem-cta p {
        font-size: 1rem;
        line-height: 1.7;
    }

    .problem-examples h2 {
        font-size: 1.02rem;
        line-height: 1.45;
    }

    .problem-audience-switch {
        padding-bottom: 28px;
    }

    .problem-audience-links span {
        font-size: 0.98rem;
    }

    .problem-audience-links small {
        font-size: 0.88rem;
    }

    .problem-audience-group {
        padding-top: 28px;
    }

    .problem-audience-group + .problem-audience-group {
        margin-top: 28px;
    }

    .problem-audience-heading h3 {
        font-size: 1.02rem;
    }

    .problem-audience-heading p {
        font-size: 0.94rem;
        line-height: 1.66;
    }

    .problem-cta h2 {
        font-size: 0.94rem;
    }

    .problem-category {
        padding: 26px 0;
    }

    .problem-category h4 {
        font-size: 0.92rem;
    }

    .problem-category li {
        padding: 12px 0;
        font-size: 0.96rem;
        line-height: 1.66;
    }

    .problem-link-row {
        display: grid;
        gap: 10px;
    }

    .problem-link-row a {
        width: 100%;
    }

    .problem-actions {
        display: flex;
        align-items: flex-start;
    }

    .audience-summary,
    .contact-panel,
    .problem-card {
        padding: 22px;
    }

    .decision-positioning {
        gap: 14px;
    }

    .hero h1 {
        font-size: 2.55rem;
    }

    .section,
    .page-header {
        padding: 52px 0;
    }

    .expert-hero {
        padding: 46px 0 42px;
    }

    .expert-content {
        padding-bottom: 48px;
    }

    .expert-article-section {
        padding-top: 38px;
    }

    .expert-final-cta {
        padding: 24px;
    }

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

@media (max-width: 720px) {
    .technical-skin .nav-links {
        display: none;
    }

    .technical-skin .nav-menu-toggle:checked ~ .nav-links {
        display: flex;
    }

    .technical-skin .diagnosis-hero-grid {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        grid-template-areas:
            "portrait kicker"
            "headline headline"
            "body body";
        column-gap: clamp(22px, 5vw, 34px);
        row-gap: 24px;
        align-items: center;
    }

    .technical-skin .hero-copy {
        display: contents;
    }

    .technical-skin .hero-portrait {
        grid-area: portrait;
        width: min(180px, 31vw);
        justify-self: start;
    }

    .technical-skin .hero-kicker {
        grid-area: kicker;
        align-self: center;
        margin-bottom: 0;
    }

    .technical-skin .diagnosis-hero h1 {
        grid-area: headline;
        width: 100%;
        max-width: none;
        justify-self: stretch;
    }

    .technical-skin .hero-copy > p:not(.hero-kicker) {
        grid-area: body;
        width: 100%;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .technical-skin .nav-menu-button {
        order: 2;
        display: inline-flex;
        flex: 0 0 36px;
        margin-left: auto;
    }

    .technical-skin .nav-actions {
        order: 3;
        flex: 0 0 auto;
        margin-left: 6px;
    }

    .technical-skin .nav-actions .lang-link:not(.active) {
        display: none;
    }

    .technical-skin .diagnosis-hero-grid {
        grid-template-columns: auto minmax(0, 1fr);
        column-gap: 18px;
    }

    .technical-skin .hero-portrait {
        width: min(132px, 34vw);
    }

    .technical-skin .diagnosis-hero h1 {
        width: min(100%, 12ch);
        justify-self: start;
    }

    .technical-skin .diagnosis-card h2 {
        width: min(100%, 18ch);
        max-width: none;
    }
}