/* =========================================================
   HERO
========================================================= */

.fo-hero {
    position: relative;
    min-height: 760px;
    padding-top: 78px;
    overflow: hidden;
    background: radial-gradient( circle at 76% 42%, rgba(0, 145, 255, .19), transparent 34% ), linear-gradient( 110deg, #020a14, #06192b 58%, #02101c );
}

.fo-grid-bg {
    position: absolute;
    inset: 0;
    opacity: .12;
    background-image: linear-gradient( rgba(56, 188, 255, .22) 1px, transparent 1px ), linear-gradient( 90deg, rgba(56, 188, 255, .22) 1px, transparent 1px );
    background-size: 75px 75px;
}

.fo-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.fo-glow-one {
    width: 520px;
    height: 520px;
    right: 0;
    top: 80px;
    background: rgba(0, 138, 255, .16);
}

.fo-glow-two {
    width: 280px;
    height: 280px;
    left: -100px;
    bottom: -100px;
    background: rgba(54, 221, 255, .08);
}

.fo-hero-layout {
    position: relative;
    z-index: 2;
    min-height: 680px;
    display: grid;
    grid-template-columns: 1fr .9fr;
    align-items: center;
    gap: 80px;
}

.fo-breadcrumb {
    margin-bottom: 38px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: #62798d;
    font-size: 9px;
}

    .fo-breadcrumb strong {
        color: #9cb1c2;
        font-weight: 500;
    }

    .fo-breadcrumb a:hover {
        color: white;
    }

.fo-eyebrow {
    display: block;
    margin-bottom: 18px;
    color: #42d6ff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .17em;
}

.fo-hero h1 {
    margin-bottom: 26px;
    color: white;
    font-size: clamp(50px, 5.2vw, 78px);
    line-height: 1;
    letter-spacing: -.06em;
}

    .fo-hero h1 span {
        display: block;
        color: #4bd5ff;
    }

.fo-hero-description {
    max-width: 710px;
    color: #a4b6c6;
    font-size: 16px;
    line-height: 1.9;
}

.fo-hero-actions {
    margin-top: 35px;
    display: flex;
    gap: 14px;
}

.fo-hero-tags {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

    .fo-hero-tags span {
        padding: 8px 11px;
        border: 1px solid rgba(67, 207, 255, .17);
        color: #8ca6b8;
        background: rgba(255,255,255,.025);
        font-size: 8px;
    }


/* =========================================================
   HERO VISUAL
========================================================= */

.fo-hero-visual {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fo-source,
.fo-destination {
    position: relative;
    z-index: 4;
    width: 105px;
    height: 105px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(61, 210, 255, .28);
    border-radius: 50%;
    background: linear-gradient( 145deg, #087cc9, #06436b );
    box-shadow: 0 0 45px rgba(0, 147, 255, .18);
}

    .fo-source small,
    .fo-destination small {
        margin-bottom: 6px;
        color: #a9e7ff;
        font-size: 7px;
    }

    .fo-source strong,
    .fo-destination strong {
        color: white;
        font-size: 22px;
    }

.fo-fiber-line {
    position: relative;
    width: 260px;
    height: 45px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

    .fo-fiber-line span {
        width: 100%;
        height: 2px;
        background: linear-gradient( 90deg, #0f82db, #55e4ff, #0f82db );
        box-shadow: 0 0 10px rgba(65, 211, 255, .26);
    }

.fo-light {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #60eaff;
    box-shadow: 0 0 20px #4fe4ff;
}

.fo-light-one {
    left: 35%;
    top: 47%;
}

.fo-light-two {
    left: 49%;
    top: 50%;
}

.fo-light-three {
    right: 35%;
    top: 53%;
}

.fo-status {
    position: absolute;
    right: 15px;
    bottom: 45px;
    width: 195px;
    padding: 20px;
    border: 1px solid rgba(65, 208, 255, .19);
    background: rgba(3, 24, 42, .84);
}

    .fo-status > span {
        display: block;
        margin-bottom: 8px;
        color: #44d6ff;
        font-size: 7px;
        font-weight: 800;
    }

    .fo-status strong {
        display: block;
        margin-bottom: 8px;
        color: white;
        font-size: 13px;
    }

    .fo-status small {
        color: #6f8b9f;
        font-size: 7px;
    }


/* =========================================================
   COMMON
========================================================= */

.fo-heading h2,
.fo-centered-heading h2,
.fo-backbone-copy h2,
.fo-splice-copy h2,
.fo-faq-heading h2,
.fo-related-heading h2 {
    color: #08182b;
    font-size: clamp( 39px, 4vw, 57px );
    line-height: 1.08;
    letter-spacing: -.05em;
}

    .fo-heading h2 span,
    .fo-centered-heading h2 span,
    .fo-backbone-copy h2 span,
    .fo-splice-copy h2 span,
    .fo-faq-heading h2 span,
    .fo-related-heading h2 span {
        display: block;
        color: #1174cf;
    }

.fo-centered-heading {
    max-width: 880px;
    margin: 0 auto 60px;
    text-align: center;
}

    .fo-centered-heading > p {
        max-width: 720px;
        margin: 23px auto 0;
        color: #68798b;
        font-size: 14px;
        line-height: 1.9;
    }

.fo-heading-light h2 {
    color: white;
}

    .fo-heading-light h2 span {
        color: #49d4ff;
    }

.fo-heading-light > p {
    color: #91a6b8;
}


/* =========================================================
   LISTS
========================================================= */

.fo-detail-list {
    margin: 22px 0 0;
    padding: 18px 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid rgba(255,255,255,.08);
    list-style: none;
}

    .fo-detail-list li {
        position: relative;
        padding-left: 15px;
        color: #92a7b7;
        font-size: 9px;
        line-height: 1.6;
    }

        .fo-detail-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 7px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: #37d4ff;
        }

.fo-light-list {
    border-top-color: #dbe5ed;
}

    .fo-light-list li {
        color: #687c8e;
    }


/* =========================================================
   INTRO
========================================================= */

.fo-intro-section {
    padding: 120px 0;
    color: #08182b;
    background: #f7f9fc;
}

.fo-intro-layout {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 110px;
}

.fo-intro-copy p {
    margin-bottom: 21px;
    color: #68798a;
    font-size: 14px;
    line-height: 1.95;
}

.fo-intro-copy .fo-lead {
    color: #293c4f;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8;
}


/* =========================================================
   BENEFITS
========================================================= */

.fo-benefits-section {
    padding: 115px 0;
    background: linear-gradient( 115deg, #03101d, #071f35 );
}

.fo-benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255,255,255,.08);
    border-left: 1px solid rgba(255,255,255,.08);
}

.fo-benefit-card {
    min-height: 340px;
    padding: 27px;
    border-right: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.018);
}

    .fo-benefit-card > span {
        display: block;
        margin-bottom: 44px;
        color: #547187;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-benefit-card h3 {
        margin-bottom: 13px;
        color: white;
        font-size: 17px;
    }

    .fo-benefit-card > p {
        color: #899eaf;
        font-size: 11px;
        line-height: 1.8;
    }


/* =========================================================
   SERVICES
========================================================= */

.fo-services-section {
    padding: 115px 0;
    color: #08182b;
    background: #edf3f8;
}

.fo-service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #d7e3ed;
    border-left: 1px solid #d7e3ed;
}

.fo-service-card {
    min-height: 405px;
    padding: 27px;
    border-right: 1px solid #d7e3ed;
    border-bottom: 1px solid #d7e3ed;
    background: rgba(255,255,255,.5);
    transition: transform .25s ease, background .25s ease, box-shadow .25s ease;
}

    .fo-service-card:hover {
        position: relative;
        z-index: 2;
        transform: translateY(-6px);
        background: white;
        box-shadow: 0 25px 55px rgba(8,40,68,.09);
    }

    .fo-service-card > span {
        display: block;
        margin-bottom: 20px;
        color: #91a3b4;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-service-card > div {
        width: 49px;
        height: 49px;
        margin-bottom: 25px;
        display: grid;
        place-items: center;
        border: 1px solid #bdddf3;
        border-radius: 8px;
        color: #0876d0;
        background: #f5fbff;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-service-card h3 {
        margin-bottom: 13px;
        color: #12263a;
        font-size: 17px;
    }

    .fo-service-card > p {
        color: #6d7d8e;
        font-size: 11px;
        line-height: 1.8;
    }


/* =========================================================
   TYPES
========================================================= */

.fo-type-section {
    padding: 115px 0;
    color: #08182b;
    background: #f7f9fc;
}

.fo-type-grid {
    max-width: 1050px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.fo-type-card {
    min-height: 500px;
    padding: 38px;
    border: 1px solid #d7e3ed;
    background: white;
}

    .fo-type-card > span {
        display: inline-flex;
        min-width: 86px;
        height: 42px;
        align-items: center;
        justify-content: center;
        margin-bottom: 55px;
        border: 1px solid #bdddf3;
        color: #0877d1;
        background: #f5fbff;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-type-card h3 {
        margin-bottom: 15px;
        color: #14283b;
        font-size: 22px;
    }

    .fo-type-card > p {
        color: #68798a;
        font-size: 12px;
        line-height: 1.9;
    }

.fo-type-divider {
    height: 1px;
    margin: 26px 0;
    background: #e1e8ee;
}

.fo-type-card strong {
    color: #24394c;
    font-size: 11px;
}

.fo-type-card ul {
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.fo-type-card li {
    padding: 7px 0;
    color: #687b8c;
    font-size: 10px;
}

.fo-type-featured {
    border-color: #acd8f4;
    box-shadow: 0 25px 60px rgba(8,56,91,.08);
}


/* =========================================================
   SURVEY
========================================================= */

.fo-survey-section {
    padding: 115px 0;
    background: linear-gradient( 115deg, #03101d, #072139 );
}

.fo-survey-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 100px;
}

.fo-survey-copy h2,
.fo-testing-copy h2,
.fo-datacenter-copy h2,
.fo-document-copy h2 {
    margin-bottom: 24px;
    color: white;
    font-size: clamp( 39px, 4vw, 57px );
    line-height: 1.08;
    letter-spacing: -.05em;
}

    .fo-survey-copy h2 span,
    .fo-testing-copy h2 span,
    .fo-datacenter-copy h2 span,
    .fo-document-copy h2 span {
        display: block;
        color: #49d4ff;
    }

.fo-survey-copy > p,
.fo-testing-copy > p,
.fo-datacenter-copy > p,
.fo-document-copy > p {
    margin-bottom: 19px;
    color: #94a8b9;
    font-size: 13px;
    line-height: 1.9;
}

.fo-survey-list,
.fo-dc-tags {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

    .fo-survey-list span,
    .fo-dc-tags span {
        padding: 9px 12px;
        border: 1px solid rgba(61,204,255,.15);
        color: #b4c6d3;
        background: rgba(255,255,255,.025);
        font-size: 9px;
    }

.fo-survey-panel {
    padding: 26px;
    border: 1px solid rgba(60,203,255,.18);
    background: rgba(255,255,255,.025);
}

.fo-survey-header {
    padding-bottom: 17px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: #43d6ff;
    font-size: 8px;
    font-weight: 800;
}

    .fo-survey-header i {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #46ddb9;
        box-shadow: 0 0 8px #46ddb9;
    }

.fo-survey-row {
    min-height: 69px;
    display: grid;
    grid-template-columns: 100px 1fr 55px;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

    .fo-survey-row:last-child {
        border-bottom: 0;
    }

    .fo-survey-row > span {
        color: #718b9e;
        font-size: 8px;
    }

    .fo-survey-row strong {
        color: #c8d9e4;
        font-size: 9px;
    }

    .fo-survey-row small {
        color: #43dcb8;
        font-size: 7px;
    }


/* =========================================================
   BACKBONE
========================================================= */

.fo-backbone-section {
    padding: 115px 0;
    color: #08182b;
    background: #f7f9fc;
}

.fo-backbone-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 100px;
}

.fo-backbone-visual {
    position: relative;
    min-height: 430px;
}

.fo-backbone-core,
.fo-backbone-floor {
    position: absolute;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 9px;
    font-weight: 800;
}

.fo-backbone-core {
    width: 110px;
    height: 110px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: white;
    background: linear-gradient( 145deg, #0981d1, #075079 );
    box-shadow: 0 0 40px rgba(0,136,220,.15);
}

.fo-backbone-floor {
    width: 80px;
    height: 80px;
    border: 1px solid #bddcf2;
    color: #0877d1;
    background: white;
}

.fo-floor-one {
    left: 5%;
    top: 10%;
}

.fo-floor-two {
    right: 5%;
    top: 10%;
}

.fo-floor-three {
    left: 50%;
    bottom: 3%;
    transform: translateX(-50%);
}

.fo-backbone-line {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 175px;
    height: 1px;
    transform-origin: left center;
    background: linear-gradient( 90deg, #0c80d5, transparent );
}

.fo-bline-one {
    transform: rotate(-145deg);
}

.fo-bline-two {
    transform: rotate(-35deg);
}

.fo-bline-three {
    transform: rotate(90deg);
}

.fo-backbone-copy > p,
.fo-splice-copy > p {
    margin-bottom: 20px;
    color: #68798a;
    font-size: 13px;
    line-height: 1.9;
}

.fo-check-list {
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

    .fo-check-list li {
        position: relative;
        padding: 10px 0 10px 20px;
        color: #576c7e;
        font-size: 10px;
    }

        .fo-check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #0877d1;
        }


/* =========================================================
   ROUTE
========================================================= */

.fo-route-section {
    padding: 115px 0;
    background: #03101d;
}

.fo-route-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255,255,255,.08);
    border-left: 1px solid rgba(255,255,255,.08);
}

.fo-route-card {
    min-height: 350px;
    padding: 27px;
    border-right: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

    .fo-route-card > span {
        display: block;
        margin-bottom: 48px;
        color: #547187;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-route-card h3 {
        margin-bottom: 13px;
        color: white;
        font-size: 17px;
    }

    .fo-route-card > p {
        color: #899eaf;
        font-size: 11px;
        line-height: 1.8;
    }


/* =========================================================
   SPLICE
========================================================= */

.fo-splice-section {
    padding: 115px 0;
    color: #08182b;
    background: #edf3f8;
}

.fo-splice-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 100px;
}

.fo-splice-steps {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid #d7e3ed;
    border-left: 1px solid #d7e3ed;
}

    .fo-splice-steps > div {
        min-height: 68px;
        padding: 16px;
        display: flex;
        align-items: center;
        gap: 14px;
        border-right: 1px solid #d7e3ed;
        border-bottom: 1px solid #d7e3ed;
        color: #516578;
        font-size: 9px;
    }

    .fo-splice-steps span {
        color: #0877d1;
        font-size: 8px;
        font-weight: 800;
    }

.fo-splice-visual {
    position: relative;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fo-strand {
    width: 150px;
    height: 3px;
    background: linear-gradient( 90deg, #0982d5, #4bdfff );
    box-shadow: 0 0 14px rgba(58,205,255,.25);
}

.fo-strand-right {
    background: linear-gradient( 90deg, #4bdfff, #0982d5 );
}

.fo-splice-core {
    position: relative;
    z-index: 3;
    width: 95px;
    height: 95px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: white;
    background: linear-gradient( 145deg, #0a82d3, #07527e );
    font-size: 9px;
    font-weight: 800;
    box-shadow: 0 0 40px rgba(0,136,220,.17);
}

.fo-splice-status {
    position: absolute;
    bottom: 20px;
    padding: 16px 20px;
    border: 1px solid #d2e1ec;
    background: white;
}

    .fo-splice-status span {
        display: block;
        margin-bottom: 7px;
        color: #8095a6;
        font-size: 7px;
    }

    .fo-splice-status strong {
        color: #173045;
        font-size: 10px;
    }


/* =========================================================
   ODF
========================================================= */

.fo-odf-section {
    padding: 115px 0;
    color: #08182b;
    background: #f7f9fc;
}

.fo-odf-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.fo-odf-panel {
    padding: 27px;
    border: 1px solid #d6e3ed;
    background: white;
    box-shadow: 0 25px 55px rgba(8,39,67,.07);
}

.fo-odf-title {
    margin-bottom: 24px;
    color: #0877d1;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .12em;
}

.fo-odf-ports {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

    .fo-odf-ports > div {
        min-height: 65px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border: 1px solid #e0e8ef;
    }

    .fo-odf-ports span {
        margin-bottom: 8px;
        color: #8497a7;
        font-size: 7px;
    }

    .fo-odf-ports i {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: #0d83d7;
        box-shadow: 0 0 10px rgba(13,131,215,.22);
    }

.fo-odf-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid #d7e3ed;
    border-left: 1px solid #d7e3ed;
}

    .fo-odf-features > div {
        min-height: 170px;
        padding: 23px;
        border-right: 1px solid #d7e3ed;
        border-bottom: 1px solid #d7e3ed;
    }

    .fo-odf-features span {
        display: block;
        margin-bottom: 28px;
        color: #0877d1;
        font-size: 8px;
        font-weight: 800;
    }

    .fo-odf-features strong {
        display: block;
        margin-bottom: 9px;
        color: #173045;
        font-size: 13px;
    }

    .fo-odf-features p {
        color: #6c7e8f;
        font-size: 9px;
        line-height: 1.7;
    }


/* =========================================================
   CONNECTORS
========================================================= */

.fo-connector-section {
    padding: 115px 0;
    background: linear-gradient( 115deg, #03101d, #071f35 );
}

.fo-connector-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255,255,255,.08);
    border-left: 1px solid rgba(255,255,255,.08);
}

.fo-connector-card {
    min-height: 350px;
    padding: 27px;
    border-right: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

    .fo-connector-card > span {
        width: 50px;
        height: 50px;
        margin-bottom: 48px;
        display: grid;
        place-items: center;
        border: 1px solid rgba(64,208,255,.2);
        color: #43d5ff;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-connector-card h3 {
        margin-bottom: 13px;
        color: white;
        font-size: 17px;
    }

    .fo-connector-card > p {
        color: #899eaf;
        font-size: 11px;
        line-height: 1.8;
    }


/* =========================================================
   TESTING
========================================================= */

.fo-testing-section {
    padding: 115px 0;
    background: #03101d;
}

.fo-testing-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 100px;
}

.fo-testing-panel {
    padding: 26px;
    border: 1px solid rgba(60,203,255,.18);
    background: rgba(255,255,255,.025);
}

.fo-testing-header {
    padding-bottom: 17px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: #43d6ff;
    font-size: 8px;
    font-weight: 800;
}

    .fo-testing-header small {
        color: #43ddb9;
    }

.fo-test-row {
    min-height: 67px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

    .fo-test-row:last-child {
        border-bottom: 0;
    }

    .fo-test-row span {
        color: #8299aa;
        font-size: 9px;
    }

    .fo-test-row strong {
        color: #47ddb9;
        font-size: 8px;
    }

.fo-testing-methods {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid rgba(255,255,255,.08);
    border-left: 1px solid rgba(255,255,255,.08);
}

    .fo-testing-methods > div {
        min-height: 175px;
        padding: 20px;
        border-right: 1px solid rgba(255,255,255,.08);
        border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .fo-testing-methods span {
        display: block;
        margin-bottom: 24px;
        color: #43d5ff;
        font-size: 8px;
        font-weight: 800;
    }

    .fo-testing-methods strong {
        display: block;
        margin-bottom: 9px;
        color: #cad9e3;
        font-size: 12px;
    }

    .fo-testing-methods p {
        color: #8398a9;
        font-size: 9px;
        line-height: 1.7;
    }


/* =========================================================
   REDUNDANCY
========================================================= */

.fo-redundancy-section {
    padding: 115px 0;
    color: #08182b;
    background: #edf3f8;
}

.fo-redundancy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #d7e3ed;
    border-left: 1px solid #d7e3ed;
}

.fo-redundancy-card {
    min-height: 360px;
    padding: 27px;
    border-right: 1px solid #d7e3ed;
    border-bottom: 1px solid #d7e3ed;
    background: rgba(255,255,255,.48);
}

    .fo-redundancy-card > span {
        display: block;
        margin-bottom: 50px;
        color: #8ca0b1;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-redundancy-card h3 {
        margin-bottom: 13px;
        color: #14283b;
        font-size: 17px;
    }

    .fo-redundancy-card > p {
        color: #6e7f8f;
        font-size: 11px;
        line-height: 1.8;
    }


/* =========================================================
   DATACENTER
========================================================= */

.fo-datacenter-section {
    padding: 110px 0;
    background: linear-gradient( 115deg, #03101d, #071f35 );
}

.fo-datacenter-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 100px;
}

.fo-dc-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 350px;
}

.fo-dc-rack,
.fo-dc-core {
    width: 100px;
    height: 100px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(62,207,255,.2);
    color: #43d5ff;
    background: rgba(255,255,255,.025);
    font-size: 8px;
    font-weight: 800;
}

.fo-dc-core {
    color: white;
    background: linear-gradient( 145deg, #087dcc, #074a73 );
}

.fo-dc-link {
    width: 80px;
    height: 2px;
    background: linear-gradient( 90deg, #3bd4ff, #1183d9 );
}


/* =========================================================
   INDUSTRIAL
========================================================= */

.fo-industrial-section {
    padding: 115px 0;
    color: #08182b;
    background: #f7f9fc;
}

.fo-industrial-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #d8e3ed;
    border-left: 1px solid #d8e3ed;
}

.fo-industrial-card {
    min-height: 350px;
    padding: 27px;
    border-right: 1px solid #d8e3ed;
    border-bottom: 1px solid #d8e3ed;
}

    .fo-industrial-card > span {
        width: 50px;
        height: 50px;
        margin-bottom: 48px;
        display: grid;
        place-items: center;
        border: 1px solid #bdddf3;
        color: #0877d1;
        font-size: 8px;
        font-weight: 800;
    }

    .fo-industrial-card h3 {
        margin-bottom: 13px;
        color: #14283b;
        font-size: 17px;
    }

    .fo-industrial-card > p {
        color: #6d7e8e;
        font-size: 11px;
        line-height: 1.8;
    }


/* =========================================================
   DOCUMENT
========================================================= */

.fo-document-section {
    padding: 110px 0;
    background: #03101d;
}

.fo-document-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 100px;
}

.fo-document-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid rgba(255,255,255,.08);
    border-left: 1px solid rgba(255,255,255,.08);
}

    .fo-document-grid > div {
        min-height: 95px;
        padding: 18px;
        border-right: 1px solid rgba(255,255,255,.08);
        border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .fo-document-grid span {
        display: block;
        margin-bottom: 10px;
        color: #43d5ff;
        font-size: 8px;
    }

    .fo-document-grid strong {
        color: #c2d2de;
        font-size: 11px;
    }


/* =========================================================
   PROCESS
========================================================= */

.fo-process-section {
    padding: 115px 0;
    background: linear-gradient( 115deg, #03101d, #071f35 );
}

.fo-process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255,255,255,.08);
    border-left: 1px solid rgba(255,255,255,.08);
}

.fo-process-card {
    min-height: 285px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

    .fo-process-card > span {
        display: block;
        margin-bottom: 42px;
        color: #557187;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-process-card h3 {
        margin-bottom: 11px;
        color: white;
        font-size: 15px;
    }

    .fo-process-card p {
        color: #899eaf;
        font-size: 10px;
        line-height: 1.8;
    }

    .fo-process-card small {
        margin-top: auto;
        padding-top: 15px;
        border-top: 1px solid rgba(255,255,255,.08);
        color: #43d5ff;
        font-size: 7px;
        font-weight: 800;
    }


/* =========================================================
   USE CASES
========================================================= */

.fo-use-section {
    padding: 115px 0;
    color: #08182b;
    background: #edf3f8;
}

.fo-use-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid #d8e3ed;
    border-left: 1px solid #d8e3ed;
}

.fo-use-card {
    min-height: 210px;
    padding: 26px;
    border-right: 1px solid #d8e3ed;
    border-bottom: 1px solid #d8e3ed;
    background: rgba(255,255,255,.43);
}

    .fo-use-card > span {
        display: block;
        margin-bottom: 40px;
        color: #0877d1;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-use-card h3 {
        margin-bottom: 11px;
        color: #173045;
        font-size: 16px;
    }

    .fo-use-card p {
        color: #6d7f8f;
        font-size: 10px;
        line-height: 1.8;
    }


/* =========================================================
   FAQ
========================================================= */

.fo-faq-section {
    padding: 115px 0;
    color: #08182b;
    background: #f7f9fc;
}

.fo-faq-layout {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 100px;
}

.fo-faq-list {
    border-top: 1px solid #d9e4ed;
}

.fo-faq-item {
    border-bottom: 1px solid #d9e4ed;
}

    .fo-faq-item summary {
        min-height: 80px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 25px;
        cursor: pointer;
        color: #14293c;
        font-size: 13px;
        font-weight: 700;
        list-style: none;
    }

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

        .fo-faq-item summary span {
            color: #0876d0;
            font-size: 19px;
        }

    .fo-faq-item p {
        padding: 0 40px 28px 0;
        color: #6c7d8d;
        font-size: 12px;
        line-height: 1.9;
    }


/* =========================================================
   RELATED
========================================================= */

.fo-related-section {
    padding: 110px 0;
    color: #08182b;
    background: #edf3f8;
}

.fo-related-heading {
    margin-bottom: 50px;
}

.fo-related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.fo-related-card {
    min-height: 280px;
    padding: 27px;
    display: flex;
    flex-direction: column;
    border: 1px solid #d4e1eb;
    background: rgba(255,255,255,.52);
    transition: transform .25s ease, background .25s ease, box-shadow .25s ease;
}

    .fo-related-card:hover {
        transform: translateY(-6px);
        background: white;
        box-shadow: 0 25px 55px rgba(8,40,68,.09);
    }

    .fo-related-card > span {
        margin-bottom: 45px;
        color: #8ca0b1;
        font-size: 9px;
        font-weight: 800;
    }

    .fo-related-card h3 {
        margin-bottom: 13px;
        color: #13273a;
        font-size: 18px;
    }

    .fo-related-card p {
        margin-bottom: 25px;
        color: #6d7f8f;
        font-size: 11px;
        line-height: 1.8;
    }

    .fo-related-card strong {
        margin-top: auto;
        color: #0877d1;
        font-size: 10px;
    }


/* =========================================================
   FINAL
========================================================= */

.fo-final-section {
    position: relative;
    padding: 95px 0;
    overflow: hidden;
    background: linear-gradient( 115deg, #065b9e, #087fce, #07508b );
}

.fo-final-grid {
    position: absolute;
    inset: 0;
    opacity: .1;
    background-image: linear-gradient( rgba(255,255,255,.3) 1px, transparent 1px ), linear-gradient( 90deg, rgba(255,255,255,.3) 1px, transparent 1px );
    background-size: 70px 70px;
}

.fo-final-layout {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

    .fo-final-layout > div {
        max-width: 850px;
    }

        .fo-final-layout > div > span {
            display: block;
            margin-bottom: 13px;
            color: #c4edff;
            font-size: 8px;
            font-weight: 800;
            letter-spacing: .17em;
        }

    .fo-final-layout h2 {
        margin-bottom: 15px;
        color: white;
        font-size: clamp( 30px, 4vw, 46px );
        line-height: 1.2;
        letter-spacing: -.04em;
    }

    .fo-final-layout p {
        max-width: 700px;
        color: rgba(255,255,255,.76);
        font-size: 12px;
        line-height: 1.8;
    }

    .fo-final-layout .button {
        flex-shrink: 0;
        background: #031827;
    }


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1150px) {

    .fo-hero-layout,
    .fo-intro-layout,
    .fo-survey-layout,
    .fo-backbone-layout,
    .fo-splice-layout,
    .fo-odf-layout,
    .fo-testing-layout,
    .fo-datacenter-layout,
    .fo-document-layout,
    .fo-faq-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }


    .fo-hero-layout {
        padding: 70px 0;
    }


    .fo-service-grid,
    .fo-route-grid,
    .fo-connector-grid,
    .fo-redundancy-grid,
    .fo-industrial-grid,
    .fo-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }


    .fo-benefit-grid,
    .fo-process-grid,
    .fo-use-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


@media (max-width: 700px) {

    .fo-hero {
        padding-top: 68px;
    }


        .fo-hero h1 {
            font-size: 44px;
        }


    .fo-hero-description {
        font-size: 14px;
    }


    .fo-hero-actions {
        flex-direction: column;
    }


    .fo-hero-visual {
        min-height: 410px;
    }


    .fo-source,
    .fo-destination {
        width: 75px;
        height: 75px;
    }


    .fo-fiber-line {
        width: 130px;
    }


    .fo-intro-section,
    .fo-benefits-section,
    .fo-services-section,
    .fo-type-section,
    .fo-survey-section,
    .fo-backbone-section,
    .fo-route-section,
    .fo-splice-section,
    .fo-odf-section,
    .fo-connector-section,
    .fo-testing-section,
    .fo-redundancy-section,
    .fo-datacenter-section,
    .fo-industrial-section,
    .fo-document-section,
    .fo-process-section,
    .fo-use-section,
    .fo-faq-section,
    .fo-related-section {
        padding: 80px 0;
    }


    .fo-benefit-grid,
    .fo-service-grid,
    .fo-type-grid,
    .fo-route-grid,
    .fo-connector-grid,
    .fo-redundancy-grid,
    .fo-industrial-grid,
    .fo-process-grid,
    .fo-use-grid,
    .fo-related-grid {
        grid-template-columns: 1fr;
    }


    .fo-splice-steps,
    .fo-odf-features,
    .fo-testing-methods,
    .fo-document-grid {
        grid-template-columns: 1fr;
    }


    .fo-odf-ports {
        grid-template-columns: repeat(3, 1fr);
    }


    .fo-dc-visual {
        flex-direction: column;
        gap: 0;
    }


    .fo-dc-link {
        width: 2px;
        height: 55px;
    }


    .fo-final-layout {
        align-items: flex-start;
        flex-direction: column;
    }
}