/* =========================================================
   ABOUT PAGE
========================================================= */

.about-section {

    position: relative;

    padding:
        112px 0;

}



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

.about-hero {

    position: relative;

    min-height: 100vh;

    padding:
        145px 0
        90px;

    display: flex;

    align-items: center;

    overflow: hidden;

    color: #ffffff;

     background:
        linear-gradient(
            rgba(5,5,5,.82),
            rgba(5,5,5,.902)
        ),
        url("../assets/images/pvinter2.png");

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;

}


.about-grid-background {

    position: absolute;

    inset: 0;

    opacity: .14;

    background-image:

        linear-gradient(
            rgba(255,255,255,.045) 1px,
            transparent 1px
        ),

        linear-gradient(
            90deg,
            rgba(255,255,255,.045) 1px,
            transparent 1px
        );

    background-size:
        58px 58px;

    mask-image:
        linear-gradient(
            to bottom,
            black,
            transparent 94%
        );

}


.about-hero-layout {

    position: relative;

    z-index: 5;

    display: grid;

    grid-template-columns:
        1fr .9fr;

    gap: 80px;

    align-items: center;

}



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

.about-eyebrow {

    display: flex;

    align-items: center;

    gap: 12px;

    color:
        rgba(255,255,255,.55);

    font-size: .66rem;

    font-weight: 800;

    letter-spacing: .18em;

}


.about-eyebrow span {

    width: 34px;
    height: 34px;

    display: grid;

    place-items: center;

    border:
        1px solid
        rgba(255,255,255,.22);

    border-radius: 50%;

    color: #ffffff;

    letter-spacing: 0;

}


.about-hero-copy h1 {

    margin-top: 28px;

    font:
        700
        clamp(4.2rem,8vw,7.8rem)
        /.88
        var(--display-font);

    letter-spacing:
        -.075em;

}


.about-hero-copy h1 em {

    display: block;

    color:
        rgba(255,255,255,.42);

    font-style: normal;

}


.about-description {

    max-width: 650px;

    margin-top: 30px;

    color:
        rgba(255,255,255,.58);

    font-size: .98rem;

}


.about-hero-actions {

    display: flex;

    flex-wrap: wrap;

    gap: 10px;

    margin-top: 32px;

}


.about-primary-button,
.about-secondary-button {

    min-height: 49px;

    padding:
        0 20px;

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 10px;

    border-radius: 4px;

    font-size: .69rem;

    font-weight: 800;

    transition:
        transform .25s ease;

}


.about-primary-button {

    color: #111111;

    background: #ffffff;

}


.about-secondary-button {

    color: #ffffff;

    background:
        rgba(255,255,255,.025);

    border:
        1px solid
        rgba(255,255,255,.15);

}


.about-primary-button:hover,
.about-secondary-button:hover {

    transform:
        translateY(-3px);

}



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

.about-meta {

    max-width: 650px;

    margin-top: 45px;

    display: grid;

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

    gap: 1px;

    background:
        rgba(255,255,255,.10);

    border:
        1px solid
        rgba(255,255,255,.10);

}


.about-meta div {

    padding: 13px 15px;

    background:
        rgba(8,8,8,.92);

}


.about-meta span,
.about-meta strong {

    display: block;

}


.about-meta span {

    color:
        rgba(255,255,255,.26);

    font-size: .47rem;

    font-weight: 800;

    letter-spacing: .11em;

}


.about-meta strong {

    margin-top: 4px;

    color:
        rgba(255,255,255,.75);

    font-size: .62rem;

}



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

.about-hero-panel {

    min-height: 520px;

    display: flex;

    flex-direction: column;

    border:
        1px solid
        rgba(255,255,255,.12);

    background:
        rgba(255,255,255,.025);

    box-shadow:
        0 45px 100px
        rgba(0,0,0,.38);

}


.about-panel-header,
.about-panel-footer {

    padding:
        14px 17px;

    color:
        rgba(255,255,255,.34);

    font-size: .51rem;

    font-weight: 800;

    letter-spacing: .13em;

}


.about-panel-header {

    display: flex;

    justify-content:
        space-between;

    border-bottom:
        1px solid
        rgba(255,255,255,.09);

}


.about-panel-footer {

    border-top:
        1px solid
        rgba(255,255,255,.09);

    text-align: center;

}


.about-system {

    position: relative;

    flex: 1;

    min-height: 430px;

    display: grid;

    place-items: center;

}


.system-core {

    position: relative;

    z-index: 5;

    width: 110px;
    height: 110px;

    display: grid;

    place-content: center;

    text-align: center;

    color: #111111;

    background: #ffffff;

    border-radius: 50%;

    box-shadow:
        0 0 60px
        rgba(255,255,255,.18);

}


.system-core strong {

    font:
        700 1.5rem
        var(--display-font);

}


.system-core span {

    margin-top: 3px;

    font-size: .42rem;

    font-weight: 800;

    letter-spacing: .09em;

}


.system-ring {

    position: absolute;

    border:
        1px solid
        rgba(255,255,255,.14);

    border-radius: 50%;

}


.ring-one {

    width: 190px;
    height: 190px;

}


.ring-two {

    width: 290px;
    height: 290px;

}


.ring-three {

    width: 385px;
    height: 385px;

}


.system-label {

    position: absolute;

    color:
        rgba(255,255,255,.42);

    font-size: .49rem;

    font-weight: 800;

    letter-spacing: .13em;

}


.system-space {

    top: 22%;
    left: 16%;

}


.system-time {

    top: 19%;
    right: 18%;

}


.system-energy {

    left: 11%;
    bottom: 25%;

}


.system-force {

    right: 11%;
    bottom: 25%;

}


.system-dimension {

    bottom: 11%;

}



/* =========================================================
   SECTION HEADINGS
========================================================= */

.about-section-heading {

    display: grid;

    grid-template-columns:
        .4fr 1.1fr;

    gap: 80px;

    margin-bottom: 60px;

}


.about-section-number {

    display: block;

    margin-bottom: 8px;

    color:
        rgba(20,20,20,.18);

    font:
        700 3.3rem
        var(--display-font);

    line-height: 1;

}


.dark-heading
.about-section-number {

    color:
        rgba(255,255,255,.15);

}


.about-section-heading h2 {

    max-width: 850px;

    font:
        700
        clamp(2.8rem,5vw,5rem)
        /.96
        var(--display-font);

    letter-spacing:
        -.055em;

}


.about-section-heading
> div:last-child
> p {

    max-width: 740px;

    margin-top: 18px;

    opacity: .58;

}



/* =========================================================
   DEFINITION CARDS
========================================================= */

.about-definition-grid {

    display: grid;

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

    gap: 10px;

}


.about-definition-card {

    min-height: 310px;

    padding: 25px;

    position: relative;

    border:
        1px solid
        rgba(20,20,20,.12);

    background: #ffffff;

    transition:
        transform .28s ease,
        box-shadow .28s ease;

}


.about-definition-card:hover {

    transform:
        translateY(-6px);

    box-shadow:
        0 26px 65px
        rgba(0,0,0,.07);

}


.about-definition-card > span {

    position: absolute;

    right: 20px;
    top: 15px;

    color:
        rgba(20,20,20,.12);

    font:
        700 1.7rem
        var(--display-font);

}


.about-definition-card i {

    margin-top: 8px;

    font-size: 1.2rem;

}


.about-definition-card h3 {

    margin-top: 70px;

    font:
        700 1.25rem
        var(--display-font);

}


.about-definition-card p {

    margin-top: 10px;

    color: #707075;

    font-size: .74rem;

}



/* =========================================================
   ORIGIN
========================================================= */

.origin-layout {

    display: grid;

    grid-template-columns:
        .85fr 1.15fr;

    gap: 70px;

}


.origin-question {

    padding: 35px;

    border:
        1px solid
        rgba(255,255,255,.12);

}


.origin-question > span {

    color:
        rgba(255,255,255,.30);

    font-size: .51rem;

    font-weight: 800;

    letter-spacing: .12em;

}


.origin-question blockquote {

    margin-top: 45px;

    color:
        rgba(255,255,255,.82);

    font:
        600
        clamp(1.8rem,3vw,3rem)
        /1.1
        var(--display-font);

    letter-spacing:
        -.035em;

}


.origin-development {

    display: grid;

}


.origin-step {

    display: grid;

    grid-template-columns:
        55px 1fr;

    gap: 20px;

    padding:
        25px 0;

    border-bottom:
        1px solid
        rgba(255,255,255,.10);

}


.origin-step > span {

    color:
        rgba(255,255,255,.20);

    font:
        700 1.5rem
        var(--display-font);

}


.origin-step strong {

    font:
        700 1rem
        var(--display-font);

}


.origin-step p {

    margin-top: 5px;

    color:
        rgba(255,255,255,.46);

    font-size: .72rem;

}



/* =========================================================
   PHILOSOPHY
========================================================= */

.research-philosophy-grid {

    display: grid;

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

    gap: 10px;

}


.philosophy-card {

    min-height: 260px;

    padding: 24px;

    border:
        1px solid
        rgba(20,20,20,.12);

    background: #ffffff;

}


.philosophy-card > span {

    color: #a0a0a5;

    font-size: .48rem;

    font-weight: 800;

    letter-spacing: .11em;

}


.philosophy-card h3 {

    margin-top: 70px;

    font:
        700 1.15rem
        var(--display-font);

}


.philosophy-card p {

    margin-top: 9px;

    color: #737378;

    font-size: .72rem;

}



/* =========================================================
   ARCHITECTURE
========================================================= */

.architecture-grid {

    position: relative;

    min-height: 450px;

    display: grid;

    place-items: center;

}


.architecture-center {

    position: absolute;

    width: 150px;
    height: 150px;

    display: grid;

    place-content: center;

    text-align: center;

    color: #111111;

    background: #ffffff;

    border-radius: 50%;

    z-index: 5;

}


.architecture-center span {

    font:
        700 1.8rem
        var(--display-font);

}


.architecture-center strong {

    max-width: 100px;

    margin-top: 2px;

    font-size: .50rem;

}


.architecture-node {

    position: absolute;

    width: 130px;

    min-height: 58px;

    padding:
        9px 12px;

    display: flex;

    align-items: center;

    gap: 10px;

    color:
        rgba(255,255,255,.53);

    background:
        rgba(255,255,255,.025);

    border:
        1px solid
        rgba(255,255,255,.12);

    cursor: pointer;

    transition:
        background .2s ease,
        color .2s ease,
        transform .2s ease;

}


.architecture-node:hover,
.architecture-node.active {

    color: #111111;

    background: #ffffff;

    transform:
        scale(1.04);

}


.architecture-node span {

    opacity: .40;

    font:
        700 .9rem
        var(--display-font);

}


.architecture-node strong {

    font-size: .62rem;

}


.architecture-node:nth-of-type(1) {

    left: 8%;
    top: 15%;

}


.architecture-node:nth-of-type(2) {

    right: 8%;
    top: 15%;

}


.architecture-node:nth-of-type(3) {

    left: 5%;
    bottom: 15%;

}


.architecture-node:nth-of-type(4) {

    right: 5%;
    bottom: 15%;

}


.architecture-node:nth-of-type(5) {

    bottom: 0;
    left: 50%;

    transform:
        translateX(-50%);

}


.architecture-node:nth-of-type(5):hover,
.architecture-node:nth-of-type(5).active {

    transform:
        translateX(-50%)
        scale(1.04);

}


.architecture-readout {

    max-width: 760px;

    margin:
        20px auto 0;

    padding: 28px;

    text-align: center;

    border:
        1px solid
        rgba(255,255,255,.12);

}


.architecture-readout span {

    color:
        rgba(255,255,255,.31);

    font-size: .50rem;

    font-weight: 800;

    letter-spacing: .13em;

}


.architecture-readout h3 {

    margin-top: 7px;

    font:
        700 1.3rem
        var(--display-font);

}


.architecture-readout p {

    margin-top: 8px;

    color:
        rgba(255,255,255,.48);

    font-size: .72rem;

}



/* =========================================================
   AUTHOR
========================================================= */

.author-layout {

    display: grid;

    grid-template-columns:
        .7fr 1.3fr;

    gap: 70px;

    align-items: stretch;

}


.author-portrait {

    min-height: 520px;

    background:

        radial-gradient(
            circle at center,
            rgba(50,42,36,.10),
            transparent 50%
        ),

        #111111;

}


.author-placeholder {

    width: 100%;
    height: 100%;

    display: grid;

    place-content: center;

    text-align: center;

    color: #ffffff;

}


.author-placeholder span {

    font:
        700 4.5rem
        var(--display-font);

    letter-spacing:
        -.08em;

}


.author-placeholder small {

    margin-top: 7px;

    color:
        rgba(255,255,255,.35);

    font-size: .52rem;

    font-weight: 800;

    letter-spacing: .15em;

}


.author-content {

    padding:
        30px 0;

}


.author-role {

    color: #99999e;

    font-size: .51rem;

    font-weight: 800;

    letter-spacing: .14em;

}


.author-content h3 {

    max-width: 720px;

    margin-top: 12px;

    font:
        700
        clamp(2.3rem,4vw,4rem)
        /.98
        var(--display-font);

    letter-spacing:
        -.05em;

}


.author-content > p {

    max-width: 730px;

    margin-top: 22px;

    color: #69696e;

    font-size: .81rem;

}


.author-disciplines {

    display: flex;

    flex-wrap: wrap;

    gap: 6px;

    margin-top: 27px;

}


.author-disciplines span {

    padding:
        6px 9px;

    color: #626267;

    border:
        1px solid
        rgba(20,20,20,.12);

    font-size: .50rem;

    font-weight: 800;

}


.author-links {

    display: flex;

    gap: 8px;

    margin-top: 30px;

}


.author-links a {

    min-height: 44px;

    padding:
        0 15px;

    display: inline-flex;

    align-items: center;

    gap: 9px;

    font-size: .61rem;

    font-weight: 800;

}


.author-links a:first-child {

    color: #ffffff;

    background: #111111;

}


.author-links a:last-child {

    border:
        1px solid
        rgba(20,20,20,.13);

}



/* =========================================================
   SCIENTIFIC POSITION
========================================================= */

.scientific-position-layout {

    display: grid;

    grid-template-columns:
        .8fr 1.2fr;

    gap: 90px;

}


.scientific-position-label {

    color:
        rgba(255,255,255,.28);

    font-size: .50rem;

    font-weight: 800;

    letter-spacing: .14em;

}


.scientific-position h2 {

    max-width: 650px;

    margin-top: 12px;

    font:
        700
        clamp(2.8rem,5vw,5rem)
        /.94
        var(--display-font);

    letter-spacing:
        -.057em;

}


.scientific-position-content > p {

    max-width: 700px;

    color:
        rgba(255,255,255,.53);

    font-size: .85rem;

}


.scientific-principles {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 7px;

    margin-top: 36px;

}


.scientific-principles div {

    min-height: 150px;

    padding: 18px;

    border:
        1px solid
        rgba(255,255,255,.10);

}


.scientific-principles span {

    color:
        rgba(255,255,255,.18);

    font:
        700 1.4rem
        var(--display-font);

}


.scientific-principles strong {

    display: block;

    margin-top: 27px;

    font-size: .66rem;

}


.scientific-principles p {

    margin-top: 5px;

    color:
        rgba(255,255,255,.38);

    font-size: .58rem;

}



/* =========================================================
   CONTINUE
========================================================= */

.about-continue {

    padding:
        95px 0;

}


.about-continue-layout {

    display: flex;

    justify-content: space-between;

    align-items: flex-end;

    gap: 50px;

}


.about-continue span {

    color: #99999d;

    font-size: .50rem;

    font-weight: 800;

    letter-spacing: .14em;

}


.about-continue h2 {

    margin-top: 7px;

    font:
        700
        clamp(2.3rem,4.5vw,4.2rem)
        /.96
        var(--display-font);

    letter-spacing:
        -.055em;

}


.about-continue-links {

    display: flex;

    flex-wrap: wrap;

    gap: 7px;

}


.about-continue-links a {

    min-height: 44px;

    padding:
        0 15px;

    display: inline-flex;

    align-items: center;

    gap: 8px;

    border:
        1px solid
        rgba(20,20,20,.13);

    font-size: .61rem;

    font-weight: 800;

}


.about-continue-primary {

    color: #ffffff !important;

    background: #111111;

}



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

@media
(max-width: 1050px) {

    .about-hero-layout,
    .origin-layout,
    .author-layout,
    .scientific-position-layout {

        grid-template-columns:
            1fr;

    }


    .about-hero-panel {

        max-width: 720px;

    }


    .about-definition-grid,
    .research-philosophy-grid {

        grid-template-columns:
            1fr 1fr;

    }


    .author-portrait {

        max-width: 600px;

    }

}



@media
(max-width: 720px) {

    .about-section-heading {

        grid-template-columns:
            1fr;

        gap: 20px;

    }


    .about-definition-grid,
    .research-philosophy-grid {

        grid-template-columns:
            1fr;

    }


    .about-meta {

        grid-template-columns:
            1fr;

    }


    .architecture-grid {

        min-height: auto;

        display: grid;

        grid-template-columns:
            1fr;

        gap: 8px;

    }


    .architecture-center {

        position: relative;

        margin:
            0 auto 25px;

    }


    .architecture-node {

        position: relative !important;

        inset: auto !important;

        width: 100%;

        transform: none !important;

    }


    .scientific-principles {

        grid-template-columns:
            1fr;

    }


    .about-continue-layout {

        flex-direction: column;

        align-items: flex-start;

    }

}



@media
(max-width: 520px) {

    .about-hero {

        padding-top: 125px;

    }


    .ring-three {

        width: 300px;
        height: 300px;

    }


    .ring-two {

        width: 225px;
        height: 225px;

    }


    .ring-one {

        width: 160px;
        height: 160px;

    }


    .system-label {

        font-size: .42rem;

    }

}

.author-portrait img {
    width: 100%;
    height: 112%;
    object-fit: fill;
}