/* =========================================================
   ZENTRUM TECHNO SOLUTIONS
   INNER PAGE FRAMEWORK
   ========================================================= */


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

.inner-eyebrow {
    margin-bottom: 18px;

    color: var(--zentrum-blue);

    font-size: 11px;
    font-weight: 700;

    letter-spacing: 0.17em;
}


.inner-section {
    padding: 105px 0;
}


.inner-section-heading {
    max-width: 760px;
}


.inner-section-heading h2,
.about-story-content h2,
.work-heading h2 {
    margin: 0;

    color: var(--zentrum-blue-dark);

    font-size: clamp(38px, 3.5vw, 52px);
    font-weight: 700;

    line-height: 1.08;
    letter-spacing: -0.03em;
}


.inner-section-heading h2 span,
.about-story-content h2 span,
.work-heading h2 span {
    display: block;

    color: var(--zentrum-blue);
}


.inner-section-heading > p:last-child {
    max-width: 650px;

    margin-top: 22px;

    color: var(--zentrum-steel);

    font-size: 16px;
    line-height: 1.75;
}


.inner-section-heading-centered {
    margin: 0 auto;

    text-align: center;
}


.inner-section-heading-centered > p:last-child {
    margin-left: auto;
    margin-right: auto;
}



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

.inner-hero {
    padding: 80px 0 85px;

    background-color: var(--zentrum-light);
}


.inner-hero-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 0.9fr)
        minmax(500px, 1.1fr);

    gap: 85px;

    align-items: center;
}


.inner-hero-content h1 {
    max-width: 680px;

    margin: 0;

    color: var(--zentrum-blue-dark);

    font-size: clamp(48px, 5vw, 68px);
    font-weight: 700;

    line-height: 1.02;
    letter-spacing: -0.04em;
}


.inner-hero-content h1 span {
    display: block;

    color: var(--zentrum-blue);
}


.inner-hero-lead {
    max-width: 620px;

    margin-top: 28px;

    color: var(--zentrum-steel);

    font-size: 17px;
    line-height: 1.75;
}


.inner-hero-visual {
    min-height: 470px;
}



/* =========================================================
   IMAGE SYSTEM
   ========================================================= */

.inner-image-placeholder {
    position: relative;

    width: 100%;
    height: 100%;
    min-height: inherit;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;

    gap: 9px;

    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            #dce3e7,
            #cbd5db
        );

    color: var(--zentrum-blue);
}


.inner-image-placeholder::before {
    content: "";

    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(
            rgba(0, 85, 140, 0.06) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(0, 85, 140, 0.06) 1px,
            transparent 1px
        );

    background-size: 55px 55px;
}


.inner-image-placeholder span,
.inner-image-placeholder p {
    position: relative;

    z-index: 1;
}


.inner-image-placeholder span {
    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.16em;
}


.inner-image-placeholder p {
    color: var(--zentrum-steel);

    font-size: 12px;
}


.inner-image-placeholder-light {
    background: var(--zentrum-light);
}


.inner-hero-visual img,
.about-story-visual img,
.capability-image img {
    display: block;

    width: 100%;
    height: 100%;

    object-fit: cover;
}



/* =========================================================
   WHO WE ARE
   ========================================================= */

.about-story-grid {
    display: grid;

    grid-template-columns:
        minmax(420px, 0.9fr)
        minmax(0, 1fr);

    gap: 100px;

    align-items: center;
}


.about-story-visual {
    min-height: 520px;
}


.about-story-lead {
    margin-top: 30px !important;

    color: var(--zentrum-graphite) !important;

    font-size: 18px !important;
    font-weight: 600;

    line-height: 1.7 !important;
}


.about-story-content > p:not(.inner-eyebrow) {
    margin-top: 17px;

    color: var(--zentrum-steel);

    font-size: 15px;
    line-height: 1.8;
}


.about-facts {
    margin-top: 38px;

    display: grid;
    grid-template-columns: repeat(2, 1fr);

    border-top:
        1px solid rgba(105, 115, 125, 0.25);

    border-bottom:
        1px solid rgba(105, 115, 125, 0.25);
}


.about-facts > div {
    padding: 23px 0;
}


.about-facts > div + div {
    padding-left: 30px;

    border-left:
        1px solid rgba(105, 115, 125, 0.25);
}


.about-facts span {
    display: block;

    margin-bottom: 7px;

    color: var(--zentrum-red);

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.14em;
}


.about-facts strong {
    color: var(--zentrum-blue-dark);

    font-size: 14px;
    font-weight: 700;
}



/* =========================================================
   ENGINEERING APPROACH
   ========================================================= */

.approach-section {
    background-color: var(--zentrum-light);
}


.approach-grid {
    margin-top: 65px;

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    border-top:
        1px solid rgba(105, 115, 125, 0.28);

    border-bottom:
        1px solid rgba(105, 115, 125, 0.28);
}


.approach-item {
    min-height: 260px;

    padding: 38px 28px;
}


.approach-item:not(:last-child) {
    border-right:
        1px solid rgba(105, 115, 125, 0.20);
}


.approach-marker {
    display: block;

    margin-bottom: 40px;

    color: var(--zentrum-red);

    font-size: 11px;
    font-weight: 700;

    letter-spacing: 0.12em;
}


.approach-item h3 {
    margin-bottom: 13px;

    color: var(--zentrum-blue-dark);

    font-size: 21px;
    font-weight: 700;
}


.approach-item p {
    color: var(--zentrum-steel);

    font-size: 13px;
    line-height: 1.7;
}



/* =========================================================
   CAPABILITIES
   ========================================================= */

.capability-section {
    background-color: var(--zentrum-white);
}


.capability-visual-grid {
    margin-top: 65px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 24px;
}


.capability-visual-card {
    border:
        1px solid rgba(105, 115, 125, 0.20);

    background-color: var(--zentrum-white);
}


.capability-image {
    height: 300px;
}


.capability-card-content {
    padding: 28px;
}


.capability-card-content h3 {
    margin-bottom: 13px;

    color: var(--zentrum-blue-dark);

    font-size: 21px;
    font-weight: 700;
}


.capability-card-content p {
    color: var(--zentrum-steel);

    font-size: 14px;
    line-height: 1.7;
}



/* =========================================================
   HOW WE WORK
   ========================================================= */

.work-section {
    background-color: var(--zentrum-blue-dark);

    color: var(--zentrum-white);
}


.work-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 0.85fr)
        minmax(500px, 1.15fr);

    gap: 100px;
}


.work-section .inner-eyebrow {
    color: #9bc4dc;
}


.work-heading h2 {
    color: var(--zentrum-white);
}


.work-heading h2 span {
    color: #9bc4dc;
}


.work-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);

    border-top:
        1px solid rgba(255, 255, 255, 0.16);
}


.work-point {
    min-height: 190px;

    padding: 30px;
}


.work-point:nth-child(odd) {
    border-right:
        1px solid rgba(255, 255, 255, 0.16);
}


.work-point:nth-child(-n + 2) {
    border-bottom:
        1px solid rgba(255, 255, 255, 0.16);
}


.work-point h3 {
    margin-bottom: 12px;

    color: var(--zentrum-white);

    font-size: 18px;
    font-weight: 700;
}


.work-point p {
    color: rgba(255, 255, 255, 0.60);

    font-size: 13px;
    line-height: 1.7;
}



/* =========================================================
   INNER CTA
   ========================================================= */

.inner-cta {
    padding: 80px 0;

    background-color: var(--zentrum-charcoal);

    color: var(--zentrum-white);
}


.inner-cta-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(320px, 0.55fr);

    gap: 100px;

    align-items: end;
}


.inner-cta .inner-eyebrow {
    color: #9bc4dc;
}


.inner-cta h2 {
    margin: 0;

    color: var(--zentrum-white);

    font-size: clamp(38px, 3.5vw, 52px);
    font-weight: 700;

    line-height: 1.08;
    letter-spacing: -0.03em;
}


.inner-cta h2 span {
    display: block;

    color: #9bc4dc;
}


.inner-cta-action p {
    margin-bottom: 23px;

    color: rgba(255, 255, 255, 0.65);

    font-size: 14px;
    line-height: 1.7;
}



/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1000px) {

    .inner-section {
        padding: 85px 0;
    }


    .inner-hero-grid,
    .about-story-grid,
    .work-layout,
    .inner-cta-layout {
        grid-template-columns: 1fr;

        gap: 50px;
    }


    .inner-hero-visual {
        min-height: 400px;
    }


    .about-story-visual {
        min-height: 400px;
    }


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


    .approach-item:nth-child(2) {
        border-right: none;
    }


    .approach-item:nth-child(-n + 2) {
        border-bottom:
            1px solid rgba(105, 115, 125, 0.20);
    }


    .capability-visual-grid {
        grid-template-columns: 1fr;
    }


    .capability-visual-card {
        display: grid;

        grid-template-columns:
            minmax(300px, 0.8fr)
            minmax(0, 1fr);
    }


    .capability-image {
        height: 100%;
        min-height: 300px;
    }

}



/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 650px) {

    .inner-section {
        padding: 70px 0;
    }


    .inner-hero {
        padding: 60px 0 65px;
    }


    .inner-hero-content h1 {
        font-size: 43px;
    }


    .inner-hero-visual,
    .about-story-visual {
        min-height: 280px;
    }


    .inner-section-heading h2,
    .about-story-content h2,
    .work-heading h2,
    .inner-cta h2 {
        font-size: 36px;
    }


    .about-facts {
        display: block;
    }


    .about-facts > div + div {
        padding-left: 0;

        border-left: none;

        border-top:
            1px solid rgba(105, 115, 125, 0.20);
    }


    .approach-grid {
        display: block;
    }


    .approach-item {
        min-height: 0;

        padding: 28px 0;

        border-right: none !important;

        border-bottom:
            1px solid rgba(105, 115, 125, 0.20);
    }


    .approach-marker {
        margin-bottom: 16px;
    }


    .capability-visual-card {
        display: block;
    }


    .capability-image {
        height: 230px;
        min-height: 0;
    }


    .work-points {
        display: block;
    }


    .work-point {
        min-height: 0;

        padding: 27px 0;

        border-right: none !important;

        border-bottom:
            1px solid rgba(255, 255, 255, 0.14);
    }


    .inner-cta {
        padding: 65px 0;
    }

}