.tunnel-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.82fr);
    gap: clamp(32px, 5vw, 84px);
    align-items: center;
    min-height: 720px;
    padding: clamp(66px, 8vw, 118px) clamp(6px, 2.8vw, 42px) clamp(58px, 7vw, 94px);
}

.tunnel-hero::before {
    position: absolute;
    z-index: -1;
    top: 2%;
    right: -8%;
    width: min(56vw, 820px);
    height: 92%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(51, 210, 102, 0.09), transparent 66%);
    content: "";
    filter: blur(10px);
    pointer-events: none;
}

.tunnel-hero__copy {
    max-width: 790px;
}

.tunnel-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px;
    color: var(--amber);
    font-family: var(--font-body) !important;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1.4;
    text-transform: uppercase;
}

.tunnel-kicker::before {
    width: 24px;
    height: 1px;
    background: currentColor;
    content: "";
}

.tunnel-kicker span {
    color: var(--phosphor);
}

.tunnel-hero h1 {
    max-width: 13ch;
    margin: 0;
    color: var(--text);
    font-family: var(--font-display);
    font-size: clamp(3.1rem, 6vw, 6.35rem);
    font-weight: 700;
    letter-spacing: -0.045em;
    line-height: 0.91;
}

.tunnel-hero h1 em {
    display: block;
    color: var(--phosphor);
    font-style: normal;
    text-shadow: 0 0 30px rgba(125, 255, 147, 0.12);
}

.tunnel-lede {
    max-width: 64ch;
    margin: 28px 0 0;
    color: #c4d9c6;
    font-size: clamp(1.08rem, 1.4vw, 1.3rem);
    line-height: 1.55;
}

.tunnel-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.tunnel-btn {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 1px solid rgba(125, 255, 147, 0.34);
    border-radius: 5px;
    padding: 12px 18px;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.045em;
    line-height: 1.2;
    text-decoration: none;
    text-transform: uppercase;
    transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 160ms ease;
}

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

.tunnel-btn--primary {
    border-color: var(--phosphor);
    color: #031006;
    background: var(--phosphor);
    box-shadow: 0 12px 30px rgba(44, 204, 87, 0.15);
}

.tunnel-btn--primary:hover {
    border-color: #fff;
    color: #020602;
    background: #fff;
}

.tunnel-btn--quiet {
    border-color: transparent;
    color: var(--muted);
    background: transparent;
}

.tunnel-btn--quiet:hover {
    border-color: rgba(126, 215, 255, 0.28);
    color: var(--text);
    background: rgba(126, 215, 255, 0.045);
}

.pilot-caveat {
    display: flex;
    max-width: 64ch;
    gap: 9px;
    align-items: flex-start;
    margin: 18px 0 0;
    color: var(--muted-2);
    font-family: var(--font-body) !important;
    font-size: 0.72rem;
    line-height: 1.55;
}

.pilot-caveat span {
    flex: 0 0 auto;
    color: var(--amber);
    font-size: 0.65rem;
    line-height: 1.8;
}

.hero-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 38px 0 0;
    border-top: 1px solid rgba(126, 215, 255, 0.17);
    border-bottom: 1px solid rgba(126, 215, 255, 0.17);
}

.hero-facts div {
    min-width: 0;
    padding: 14px 16px 16px 0;
}

.hero-facts div + div {
    border-left: 1px solid rgba(126, 215, 255, 0.13);
    padding-left: 16px;
}

.hero-facts dt {
    color: var(--muted-2);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-facts dd {
    margin: 6px 0 0;
    color: var(--phosphor-soft);
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 600;
}

.route-map {
    position: relative;
    border: 1px solid rgba(126, 215, 255, 0.32);
    border-radius: 8px;
    background:
        linear-gradient(rgba(125, 255, 147, 0.024) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 255, 147, 0.024) 1px, transparent 1px),
        linear-gradient(180deg, rgba(4, 13, 8, 0.98), rgba(2, 8, 5, 0.98));
    background-size: 32px 32px, 32px 32px, auto;
    box-shadow: 0 36px 80px rgba(0, 0, 0, 0.48), inset 0 0 70px rgba(3, 7, 4, 0.8);
    overflow: hidden;
}

.route-map::after {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(125, 255, 147, 0.08);
    border-radius: inherit;
    content: "";
    pointer-events: none;
}

.route-map__bar,
.route-map__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted-2);
    background: rgba(2, 8, 5, 0.88);
    font-size: 0.61rem;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.route-map__bar {
    border-bottom: 1px solid rgba(126, 215, 255, 0.16);
    padding: 12px 14px;
}

.route-map__foot {
    border-top: 1px solid rgba(126, 215, 255, 0.16);
    padding: 11px 14px;
}

.route-map__state {
    color: var(--phosphor-soft);
}

.route-map__state i {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 5px;
    border-radius: 50%;
    background: var(--phosphor);
    box-shadow: 0 0 12px rgba(125, 255, 147, 0.78);
}

.route-map__body {
    display: flex;
    min-height: 580px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.route-node {
    position: relative;
    z-index: 2;
    width: min(100%, 330px);
    border: 1px solid rgba(126, 215, 255, 0.27);
    border-radius: 6px;
    background: rgba(5, 16, 10, 0.96);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.34);
    padding: 14px 16px;
}

.route-node::before {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--ice);
    box-shadow: 0 0 12px rgba(126, 215, 255, 0.52);
    content: "";
}

.route-node--edge {
    border-color: rgba(125, 255, 147, 0.48);
    background: linear-gradient(135deg, rgba(9, 28, 16, 0.98), rgba(4, 13, 8, 0.98));
}

.route-node--edge::before,
.route-node--agent::before {
    background: var(--phosphor);
    box-shadow: 0 0 12px rgba(125, 255, 147, 0.62);
}

.route-node__eyebrow,
.route-node strong,
.route-node small {
    display: block;
}

.route-node__eyebrow {
    color: var(--amber);
    font-size: 0.62rem;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.route-node strong {
    margin-top: 4px;
    color: var(--text);
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.route-node small {
    margin-top: 6px;
    color: var(--muted-2);
    font-size: 0.65rem;
}

.route-link {
    position: relative;
    z-index: 1;
    display: flex;
    width: 1px;
    height: 52px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(var(--phosphor), rgba(126, 215, 255, 0.22));
}

.route-link::after {
    position: absolute;
    bottom: -1px;
    width: 7px;
    height: 7px;
    border-right: 1px solid var(--ice);
    border-bottom: 1px solid var(--ice);
    content: "";
    transform: rotate(45deg);
}

.route-link span {
    position: absolute;
    left: 13px;
    width: max-content;
    color: var(--muted-2);
    font-size: 0.55rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.route-link--outbound {
    height: 64px;
    background: linear-gradient(rgba(126, 215, 255, 0.22), var(--phosphor));
}

.route-link--outbound::after {
    top: -1px;
    bottom: auto;
    border: 0;
    border-top: 1px solid var(--phosphor);
    border-left: 1px solid var(--phosphor);
}

.customer-boundary {
    position: relative;
    width: 100%;
    border: 1px dashed rgba(255, 176, 64, 0.46);
    border-radius: 8px;
    background: rgba(255, 176, 64, 0.022);
    padding: 28px 18px 18px;
}

.customer-boundary__label {
    position: absolute;
    top: -10px;
    left: 12px;
    display: flex;
    max-width: calc(100% - 24px);
    gap: 14px;
    align-items: center;
    background: #030a05;
    padding: 2px 8px;
    font-size: 0.57rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.customer-boundary__label span {
    color: var(--amber);
}

.customer-boundary__label strong {
    color: var(--phosphor-soft);
    white-space: nowrap;
}

.route-node--agent {
    width: 100%;
}

.service-routes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    margin-top: 10px;
}

.service-routes span {
    min-width: 0;
    border: 1px solid rgba(125, 255, 147, 0.16);
    border-radius: 4px;
    color: var(--muted);
    background: rgba(3, 10, 6, 0.78);
    padding: 8px;
    font-size: 0.58rem;
    white-space: nowrap;
}

.service-routes i {
    display: inline-block;
    width: 5px;
    height: 5px;
    margin-right: 5px;
    border-radius: 50%;
    background: var(--phosphor);
}

.service-routes b {
    color: var(--muted-2);
    font-weight: 400;
}

.problem-strip {
    display: grid;
    grid-template-columns: minmax(250px, 0.72fr) minmax(0, 2fr);
    gap: clamp(30px, 5vw, 80px);
    align-items: start;
    border-top: 1px solid rgba(126, 215, 255, 0.16);
    border-bottom: 1px solid rgba(126, 215, 255, 0.16);
    padding: 46px clamp(6px, 2.8vw, 42px);
}

.problem-strip h2,
.tunnel-section h2,
.evidence-section h2,
.fit-section h2,
.faq-section h2,
.pilot-cta h2 {
    margin: 0;
    color: var(--text);
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3.7rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.02;
}

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

.problem-strip__items article {
    border-left: 1px solid rgba(125, 255, 147, 0.21);
    padding-left: 18px;
}

.problem-strip__items article > span {
    color: var(--amber);
    font-size: 0.64rem;
}

.problem-strip__items h3,
.steps h3,
.use-case-grid h3,
.boundary-card h3,
.fit-list h3 {
    margin: 10px 0 0;
    color: var(--phosphor-soft);
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.015em;
}

.problem-strip__items p,
.steps p,
.use-case-grid p,
.boundary-card p,
.fit-list p {
    margin: 9px 0 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.58;
}

.tunnel-section {
    padding: clamp(72px, 9vw, 132px) clamp(6px, 2.8vw, 42px);
}

.tunnel-section + .tunnel-section {
    border-top: 1px solid rgba(126, 215, 255, 0.1);
}

.tunnel-section__head {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.65fr);
    gap: clamp(30px, 7vw, 110px);
    align-items: end;
}

.tunnel-section__head > p,
.fit-section__lead > p,
.evidence-section__copy > p,
.pilot-cta__action > p {
    max-width: 60ch;
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.62;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    margin: 58px 0 0;
    padding: 0;
    list-style: none;
}

.steps li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    border-top: 1px solid rgba(125, 255, 147, 0.28);
    padding-top: 18px;
}

.steps__number {
    color: var(--amber);
    font-size: 0.68rem;
    line-height: 1.8;
}

.steps h3 {
    margin-top: 0;
}

.capability-example {
    margin-top: 62px;
    border: 1px solid rgba(126, 215, 255, 0.24);
    border-radius: 7px;
    background: rgba(3, 10, 6, 0.7);
    overflow: hidden;
}

.capability-example__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(126, 215, 255, 0.16);
    background: rgba(126, 215, 255, 0.035);
    padding: 14px 16px;
}

.capability-example__title span {
    color: var(--phosphor-soft);
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.capability-example__title small {
    color: var(--muted-2);
    font-size: 0.62rem;
}

.capability-row {
    display: grid;
    grid-template-columns: 0.8fr 1fr 1.15fr 1.15fr;
    gap: 18px;
    align-items: center;
    min-height: 58px;
    border-top: 1px solid rgba(125, 255, 147, 0.1);
    color: var(--muted);
    padding: 10px 16px;
    font-size: 0.74rem;
}

.capability-row--head {
    min-height: 40px;
    border-top: 0;
    color: var(--muted-2);
    font-size: 0.59rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.capability-row strong {
    color: var(--phosphor-soft);
    font-family: var(--font-display);
}

.capability-row code {
    color: var(--ice);
    font-family: var(--font-body);
}

.answer-no {
    width: fit-content;
    border: 1px solid rgba(125, 255, 147, 0.28);
    border-radius: 99px;
    color: var(--phosphor-soft);
    background: rgba(125, 255, 147, 0.06);
    padding: 4px 9px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 58px;
}

.use-case-grid article {
    display: flex;
    min-height: 290px;
    flex-direction: column;
    border: 1px solid rgba(125, 255, 147, 0.17);
    border-radius: 6px;
    background: linear-gradient(145deg, rgba(7, 20, 12, 0.75), rgba(3, 10, 6, 0.72));
    padding: 22px;
}

.use-case-grid article:nth-child(even) {
    border-color: rgba(126, 215, 255, 0.18);
}

.use-case-grid__icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(125, 255, 147, 0.31);
    border-radius: 5px;
    color: var(--phosphor);
    background: rgba(125, 255, 147, 0.045);
    font-size: 0.62rem;
    font-weight: 700;
}

.use-case-grid h3 {
    margin-top: 24px;
}

.use-case-grid article > span {
    display: block;
    margin-top: auto;
    border-top: 1px solid rgba(126, 215, 255, 0.13);
    color: var(--amber);
    padding-top: 14px;
    font-size: 0.61rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.evidence-section {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(400px, 1.12fr);
    gap: clamp(40px, 7vw, 110px);
    align-items: center;
    margin: 0 clamp(6px, 2.8vw, 42px);
    border: 1px solid rgba(255, 176, 64, 0.29);
    border-radius: 8px;
    background:
        linear-gradient(110deg, rgba(255, 176, 64, 0.045), transparent 42%),
        rgba(3, 10, 6, 0.74);
    padding: clamp(34px, 5vw, 70px);
}

.evidence-section__copy > p {
    margin-top: 22px;
}

.text-link {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    margin-top: 22px;
    color: var(--phosphor-soft);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    text-transform: uppercase;
}

.text-link:hover {
    color: #fff;
}

.evidence-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
    border-top: 1px solid rgba(126, 215, 255, 0.18);
    border-left: 1px solid rgba(126, 215, 255, 0.18);
}

.evidence-metrics div {
    min-height: 142px;
    border-right: 1px solid rgba(126, 215, 255, 0.18);
    border-bottom: 1px solid rgba(126, 215, 255, 0.18);
    padding: 22px;
}

.evidence-metrics dt {
    color: var(--phosphor);
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.035em;
}

.evidence-metrics dd {
    max-width: 24ch;
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.68rem;
    line-height: 1.5;
    text-transform: uppercase;
}

.evidence-disclaimer {
    grid-column: 1 / -1;
    margin: 0;
    border-top: 1px solid rgba(255, 176, 64, 0.18);
    color: #b29f7f;
    padding-top: 16px;
    font-family: var(--font-body) !important;
    font-size: 0.64rem;
    line-height: 1.6;
}

.pilot-boundary {
    margin-top: clamp(72px, 9vw, 132px);
    border-top: 1px solid rgba(126, 215, 255, 0.1);
}

.boundary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 58px;
}

.boundary-card {
    border: 1px solid rgba(125, 255, 147, 0.23);
    border-radius: 7px;
    background: rgba(4, 13, 8, 0.8);
    padding: clamp(24px, 3vw, 38px);
}

.boundary-card--building {
    border-color: rgba(255, 176, 64, 0.28);
    background: rgba(18, 12, 4, 0.38);
}

.boundary-card__status {
    display: flex;
    gap: 9px;
    align-items: center;
    color: var(--phosphor);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.boundary-card__status i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 12px currentColor;
}

.boundary-card--building .boundary-card__status {
    color: var(--amber);
}

.boundary-card h3 {
    margin-top: 18px;
    font-size: 1.45rem;
}

.boundary-card ul {
    display: grid;
    gap: 12px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.boundary-card li {
    position: relative;
    color: var(--muted);
    font-family: var(--font-copy);
    font-size: 0.96rem;
    line-height: 1.5;
    padding-left: 20px;
}

.boundary-card li::before {
    position: absolute;
    top: 0.65em;
    left: 0;
    width: 8px;
    height: 1px;
    background: var(--phosphor);
    content: "";
}

.boundary-card--building li::before {
    background: var(--amber);
}

.fit-section {
    display: grid;
    grid-template-columns: minmax(280px, 0.95fr) repeat(2, minmax(280px, 0.72fr));
    gap: 18px;
    margin: 0 clamp(6px, 2.8vw, 42px);
    border-top: 1px solid rgba(126, 215, 255, 0.16);
    padding: clamp(72px, 9vw, 116px) 0;
}

.fit-section__lead {
    padding-right: clamp(12px, 3vw, 46px);
}

.fit-section__lead > p {
    margin-top: 20px;
}

.fit-list {
    border-top: 3px solid var(--phosphor);
    background: rgba(5, 15, 9, 0.62);
    padding: 24px;
}

.fit-list--not {
    border-top-color: var(--amber);
}

.fit-list h3 {
    margin-top: 0;
}

.fit-list ul {
    display: grid;
    gap: 14px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.fit-list li {
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 10px;
    color: var(--muted);
    font-family: var(--font-copy);
    font-size: 0.92rem;
    line-height: 1.48;
}

.fit-list li span {
    color: var(--phosphor);
    font-family: var(--font-body);
}

.fit-list--not li span {
    color: var(--amber);
}

.faq-section {
    display: grid;
    grid-template-columns: minmax(280px, 0.7fr) minmax(400px, 1.3fr);
    gap: clamp(40px, 8vw, 130px);
    border-top: 1px solid rgba(126, 215, 255, 0.1);
    padding: clamp(72px, 9vw, 128px) clamp(6px, 2.8vw, 42px);
}

.faq-section__head {
    align-self: start;
    position: sticky;
    top: 24px;
}

.faq-list {
    border-top: 1px solid rgba(126, 215, 255, 0.2);
}

.faq-list details {
    border-bottom: 1px solid rgba(126, 215, 255, 0.2);
}

.faq-list summary {
    position: relative;
    padding: 23px 50px 23px 0;
    color: var(--phosphor-soft);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 1.04rem;
    font-weight: 700;
    line-height: 1.35;
    list-style: none;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    position: absolute;
    top: 20px;
    right: 4px;
    color: var(--phosphor);
    content: "+";
    font-family: var(--font-body);
    font-size: 1.4rem;
    font-weight: 400;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list details p {
    max-width: 68ch;
    margin: -4px 0 23px;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.62;
}

.pilot-cta {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.65fr);
    gap: clamp(36px, 8vw, 120px);
    align-items: center;
    margin: 0 clamp(6px, 2.8vw, 42px) 34px;
    border: 1px solid rgba(125, 255, 147, 0.42);
    border-radius: 8px;
    background:
        linear-gradient(110deg, rgba(125, 255, 147, 0.07), transparent 46%),
        rgba(4, 14, 8, 0.9);
    box-shadow: inset 0 0 80px rgba(125, 255, 147, 0.025);
    padding: clamp(34px, 5vw, 70px);
}

.pilot-cta__action > p {
    margin-bottom: 22px;
}

@media (max-width: 1120px) {
    .tunnel-hero {
        grid-template-columns: minmax(0, 1fr) minmax(380px, 0.85fr);
        gap: 36px;
    }

    .tunnel-hero h1 {
        font-size: clamp(3rem, 6.2vw, 4.8rem);
    }

    .route-map__body {
        padding: 24px 20px;
    }

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

    .use-case-grid article {
        min-height: 250px;
    }

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

    .fit-section__lead {
        grid-column: 1 / -1;
        max-width: 850px;
        padding: 0 0 28px;
    }
}

@media (max-width: 880px) {
    .tunnel-hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 74px;
    }

    .tunnel-hero__copy {
        max-width: 760px;
    }

    .tunnel-hero h1 {
        max-width: 14ch;
        font-size: clamp(3.1rem, 10vw, 5.2rem);
    }

    .route-map {
        width: min(100%, 620px);
        justify-self: center;
    }

    .problem-strip,
    .tunnel-section__head,
    .evidence-section,
    .faq-section,
    .pilot-cta {
        grid-template-columns: 1fr;
    }

    .problem-strip__intro {
        max-width: 720px;
    }

    .tunnel-section__head {
        align-items: start;
    }

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

    .steps li {
        grid-template-columns: 34px 1fr;
    }

    .evidence-section {
        gap: 38px;
    }

    .faq-section__head {
        position: static;
    }
}

@media (max-width: 680px) {
    .tunnel-hero {
        padding: 54px 3px 58px;
    }

    .tunnel-hero h1 {
        font-size: clamp(2.8rem, 14vw, 4rem);
        line-height: 0.94;
    }

    .tunnel-lede {
        font-size: 1.03rem;
    }

    .tunnel-actions,
    .tunnel-btn {
        width: 100%;
    }

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

    .hero-facts div {
        padding: 13px 0;
    }

    .hero-facts div + div {
        border-top: 1px solid rgba(126, 215, 255, 0.13);
        border-left: 0;
        padding-left: 0;
    }

    .route-map__bar,
    .route-map__foot {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .route-map__body {
        min-height: auto;
        padding: 28px 12px;
    }

    .route-link span {
        display: none;
    }

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

    .customer-boundary__label {
        gap: 6px;
        align-items: flex-start;
        flex-direction: column;
    }

    .problem-strip,
    .tunnel-section,
    .faq-section {
        padding-right: 3px;
        padding-left: 3px;
    }

    .problem-strip__items,
    .use-case-grid,
    .boundary-grid,
    .fit-section {
        grid-template-columns: 1fr;
    }

    .problem-strip__items {
        gap: 28px;
    }

    .capability-example {
        border-right: 0;
        border-left: 0;
        border-radius: 0;
        margin-right: -3px;
        margin-left: -3px;
    }

    .capability-row--head {
        display: none;
    }

    .capability-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px 16px;
        padding: 14px;
    }

    .capability-row code {
        grid-column: 1 / 2;
    }

    .answer-no {
        grid-column: 2 / 3;
        grid-row: 2;
    }

    .use-case-grid article {
        min-height: 230px;
    }

    .evidence-section,
    .fit-section,
    .pilot-cta {
        margin-right: 3px;
        margin-left: 3px;
    }

    .evidence-section,
    .pilot-cta {
        padding: 26px 20px;
    }

    .evidence-metrics {
        grid-template-columns: 1fr;
    }

    .evidence-metrics div {
        min-height: 112px;
    }

    .fit-section__lead {
        grid-column: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tunnel-btn {
        transition: none;
    }
}