/* =========================================
   SECOND DIMENSION VARIABLES
========================================= */

:root {

    --d2: #ffd54d;
    --d2-bright: #ffe783;
    --d2-deep: #9a7000;
    --d2-dark: #181202;

    --ink: #151516;
    --muted: #6e6e76;

    --paper: #f7f5f1;
    --white: #ffffff;

    --line:
        rgba(21, 21, 22, 0.12);

    --display:
        "Space Grotesk",
        sans-serif;

    --body:
        "Inter",
        sans-serif;

    --shadow:
        0 25px 80px
        rgba(75, 55, 0, 0.12);

}


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

.dimension-two-page {

    margin: 0;

    color: var(--ink);

    background: var(--paper);

    font-family: var(--body);

    line-height: 1.7;

    overflow-x: hidden;

}


/* =========================================
   DIMENSION-SPECIFIC HEADER ACCENT
========================================= */

.dimension-two-page
.nav-menu a::after {

    background: var(--d2);

}


.dimension-two-page
.download-btn:hover {

    border-color: var(--d2);

    background:
        rgba(255, 213, 77, 0.10);

}



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

.dimension-hero {

    position: relative;

    min-height: 100vh;

    padding:
        145px 0 88px;

    display: grid;

    align-items: center;

    color: #ffffff;

    background:

        radial-gradient(
            circle at 74% 35%,
            rgba(255, 213, 77, 0.17),
            transparent 28%
        ),

        linear-gradient(
            145deg,
            #090806 0%,
            #1c1606 60%,
            #090806 100%
        );

    overflow: hidden;

}


.geometry-grid {

    position: absolute;

    inset: 0;

    opacity: 0.15;

    background-image:

        linear-gradient(
            rgba(255,255,255,.07) 1px,
            transparent 1px
        ),

        linear-gradient(
            90deg,
            rgba(255,255,255,.07) 1px,
            transparent 1px
        );

    background-size:
        58px 58px;

    mask-image:
        linear-gradient(
            to bottom,
            black,
            transparent 90%
        );

}


.hero-orb {

    position: absolute;

    border-radius: 50%;

    pointer-events: none;

}


.orb-one {

    width: 560px;
    height: 560px;

    right: -260px;
    top: -220px;

    border:
        1px solid
        rgba(255, 213, 77, .28);

    box-shadow:
        inset 0 0 100px
        rgba(255, 213, 77, .06);

}


.orb-two {

    width: 760px;
    height: 760px;

    left: -600px;
    bottom: -500px;

    border:
        1px solid
        rgba(255,255,255,.08);

}


.hero-layout {

    position: relative;

    display: grid;

    grid-template-columns:
        1.02fr .98fr;

    gap: 72px;

    align-items: center;

}


.eyebrow,
.section-kicker {

    color: var(--d2-deep);

    font-size: .73rem;

    font-weight: 800;

    letter-spacing: .21em;

}


.dimension-hero
.eyebrow {

    color: var(--d2-bright);

}


.eyebrow {

    display: flex;

    align-items: center;

    gap: 12px;

    margin-bottom: 20px;

}


.eyebrow span {

    display: inline-grid;

    place-items: center;

    width: 34px;
    height: 34px;

    color: #ffffff;

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

    border-radius: 50%;

}


.hero-copy h1 {

    margin: 0;

    font:
        700
        clamp(4rem, 7.5vw, 7.7rem)
        / .86
        var(--display);

    letter-spacing: -.075em;

}


.hero-copy h1 em {

    color: var(--d2);

    font-style: normal;

}


.hero-lead {

    max-width: 660px;

    margin:
        28px 0 0;

    color:
        rgba(255,255,255,.72);

    font-size: 1.04rem;

}


.hero-actions {

    display: flex;

    flex-wrap: wrap;

    gap: 14px;

    margin-top: 34px;

}


.btn {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 10px;

    min-height: 49px;

    padding:
        0 21px;

    border:
        1px solid
        transparent;

    border-radius: 5px;

    cursor: pointer;

    font-size: .82rem;

    font-weight: 800;

    transition:
        transform .22s ease,
        box-shadow .22s ease,
        background .22s ease;

}


.btn:hover {

    transform:
        translateY(-2px);

}


.btn-primary {

    color: #161200;

    background: var(--d2);

    box-shadow:
        0 12px 32px
        rgba(255,213,77,.20);

}


.btn-primary:hover {

    background:
        var(--d2-bright);

    box-shadow:
        0 16px 40px
        rgba(255,213,77,.30);

}


.btn-ghost {

    color: #ffffff;

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

    background:
        rgba(255,255,255,.035);

}


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

.hero-facts {

    display: grid;

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

    gap: 1px;

    margin-top: 47px;

    background:
        rgba(255,255,255,.1);

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

}


.hero-facts div {

    padding:
        14px 12px;

    background:
        rgba(8,7,4,.72);

}


.hero-facts strong,
.hero-facts span {

    display: block;

}


.hero-facts strong {

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

    font-size: .62rem;

    letter-spacing: .15em;

    text-transform: uppercase;

}


.hero-facts span {

    margin-top: 4px;

    font-size: .78rem;

    font-weight: 700;

}



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

.hero-visual {

    position: relative;

    border:
        1px solid
        rgba(255,255,255,.13);

    border-radius: 10px;

    background:

        linear-gradient(
            180deg,
            rgba(255,213,77,.06),
            rgba(255,255,255,.015)
        );

    box-shadow:
        0 45px 100px
        rgba(0,0,0,.4);

    overflow: hidden;

}


.visual-header {

    display: flex;

    justify-content:
        space-between;

    padding:
        15px 18px;

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

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

    font-size: .63rem;

    font-weight: 800;

    letter-spacing: .16em;

}


.live-dot {

    color: #ffffff;

}


.live-dot::before {

    content: "";

    display: inline-block;

    width: 7px;
    height: 7px;

    margin-right: 7px;

    background: var(--d2);

    border-radius: 50%;

    box-shadow:
        0 0 12px
        var(--d2);

}


#dimensionCanvas {

    display: block;

    width: 100%;

    aspect-ratio: 1.3;

}


.visual-caption {

    display: grid;

    grid-template-columns:
        auto 1fr auto;

    align-items: center;

    gap: 20px;

    padding:
        14px 18px 18px;

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

    border-top:
        1px solid
        rgba(255,255,255,.08);

    font-size: .7rem;

}


.visual-caption p {

    margin: 0;

    text-align: center;

}


.visual-caption span {

    color: var(--d2);

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

}



/* =========================================
   SCROLL
========================================= */

.scroll-indicator {

    position: absolute;

    left: 50%;
    bottom: 24px;

    width: 26px;
    height: 42px;

    border:
        1px solid
        rgba(255,255,255,.25);

    border-radius: 20px;

    transform:
        translateX(-50%);

}


.scroll-indicator span {

    position: absolute;

    top: 8px;
    left: 50%;

    width: 4px;
    height: 7px;

    background: var(--d2);

    border-radius: 3px;

    transform:
        translateX(-50%);

    animation:
        scrollDot 1.7s infinite;

}


@keyframes scrollDot {

    0% {

        opacity: 0;

        transform:
            translate(-50%,0);

    }

    25% {
        opacity: 1;
    }

    100% {

        opacity: 0;

        transform:
            translate(-50%,17px);

    }

}



/* =========================================
   DIMENSION NAV
========================================= */

.dimension-nav {

    position: sticky;

    top: 82px;

    z-index: 50;

    color: #ffffff;

    background: #18150b;

    border-bottom:
        1px solid
        rgba(255,255,255,.08);

}


.dimension-nav-inner {

    display: flex;

    align-items: center;

    gap: 5px;

    overflow-x: auto;

    scrollbar-width: none;

}


.dimension-nav-inner::-webkit-scrollbar {

    display: none;

}


.dimension-nav a {

    flex: 0 0 auto;

    padding:
        15px 14px;

    color:
        rgba(255,255,255,.56);

    font-size: .68rem;

    font-weight: 700;

    letter-spacing: .06em;

}


.dimension-nav a:hover,
.dimension-nav a.active {

    color: #ffffff;

    background:
        rgba(255,213,77,.13);

}



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

.section {

    padding:
        112px 0;

}


.section-heading {

    max-width: 790px;

    margin-bottom: 52px;

}


.section-heading h2,
.concept-copy h2 {

    margin:
        7px 0 17px;

    font:
        700
        clamp(2.4rem,5vw,4.6rem)
        /.98
        var(--display);

    letter-spacing:
        -.055em;

}


.section-heading p,
.concept-copy > p {

    color: var(--muted);

}


.section-kicker {

    margin: 0;

}


.overview {

    background: #ffffff;

}



/* =========================================
   PROFILE
========================================= */

.profile-grid {

    display: grid;

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

    gap: 18px;

}


.profile-card {

    min-height: 300px;

    padding: 29px;

    border:
        1px solid
        var(--line);

    background: #ffffff;

    transition:
        .28s ease;

}


.profile-card:hover {

    transform:
        translateY(-7px);

    border-color:
        rgba(218,170,0,.55);

    box-shadow:
        var(--shadow);

}


.profile-card i {

    color: var(--d2-deep);

    font-size: 1.35rem;

}


.profile-card > span {

    display: block;

    margin-top: 49px;

    color: var(--d2-deep);

    font-size: .63rem;

    font-weight: 800;

    letter-spacing: .17em;

}


.profile-card h3 {

    margin:
        8px 0 12px;

    font:
        700 1.35rem/1.2
        var(--display);

}


.profile-card p {

    margin: 0;

    color: var(--muted);

    font-size: .88rem;

}



/* =========================================
   SPLIT LAYOUT
========================================= */

.split-layout {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 86px;

    align-items: center;

}


.split-layout.reverse
> :first-child {

    order: 2;

}


.concept-copy {

    max-width: 570px;

}


.feature-list {

    margin:
        28px 0 0;

    padding: 0;

    list-style: none;

}


.feature-list li {

    display: flex;

    gap: 15px;

    padding:
        14px 0;

    border-bottom:
        1px solid
        var(--line);

    font-weight: 650;

}


.feature-list span {

    color: var(--d2-deep);

    font-size: .68rem;

    letter-spacing: .1em;

}



/* =========================================
   MATH PANEL
========================================= */

.math-panel {

    min-height: 450px;

    padding: 30px;

    display: flex;

    flex-direction: column;

    justify-content: center;

    background: #ffffff;

    border:
        1px solid
        var(--line);

    box-shadow:
        var(--shadow);

}


.panel-label {

    margin-bottom: 40px;

    color: var(--muted);

    font-size: .64rem;

    font-weight: 800;

    letter-spacing: .18em;

}


.panel-note {

    max-width: 430px;

    margin:
        20px auto 0;

    color: var(--muted);

    font-size: .82rem;

    text-align: center;

}


.equation-block {

    font-size: 1.25rem;

    text-align: center;

}



/* =========================================
   GEOMETRY STAGE
========================================= */

.geometry-stage {

    min-height: 245px;

    display: grid;

    place-items: center;

}


.energy-circle {

    position: relative;

    width: 210px;
    height: 210px;

    border:
        3px solid
        var(--d2);

    border-radius: 50%;

    box-shadow:

        0 0 30px
        rgba(255,213,77,.32),

        inset 0 0 30px
        rgba(255,213,77,.08);

}


.fundamental-triangle {

    position: absolute;

    left: 50%;
    top: 50%;

    width: 125px;
    height: 110px;

    transform:
        translate(-50%,-48%);

    clip-path:
        polygon(
            50% 0,
            100% 100%,
            0 100%
        );

    background:

        linear-gradient(
            135deg,
            rgba(255,213,77,.55),
            rgba(255,213,77,.08)
        );

    border-bottom:
        2px solid
        var(--d2-deep);

}


.fundamental-triangle span {

    display: none;

}



/* =========================================
   DARK SECTIONS
========================================= */

.dark-section {

    color: #ffffff;

    background: #151204;

}


.dark-section
.concept-copy > p,

.dark-section
.section-heading > p:last-child {

    color:
        rgba(255,255,255,.60);

}


.dark-section
.math-panel {

    background: #211b09;

    border-color:
        rgba(255,255,255,.11);

    box-shadow: none;

}


.dark-section
.panel-label {

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

}



/* =========================================
   TIME CURVE
========================================= */

.curve-demo {

    margin:
        10px 0 25px;

}


.curve-demo svg {

    width: 100%;

}


#timePath {

    fill: none;

    stroke: var(--d2);

    stroke-width: 2;

    filter:
        drop-shadow(
            0 0 6px
            rgba(255,213,77,.55)
        );

}


#timeParticle {

    fill: #ffffff;

    filter:
        drop-shadow(
            0 0 10px
            var(--d2)
        );

}


.quote-card {

    position: relative;

    margin:
        27px 0;

    padding:
        20px 22px 20px 53px;

    border-left:
        3px solid
        var(--d2);

    background:
        rgba(255,255,255,.045);

}


.quote-card i {

    position: absolute;

    left: 19px;
    top: 23px;

    color: var(--d2);

}


.quote-card p {

    margin: 0;

    font:
        600 1.12rem
        var(--display);

}


.mini-btn {

    align-self: center;

    padding:
        9px 14px;

    color: #ffffff;

    background: transparent;

    border:
        1px solid
        rgba(255,255,255,.18);

    border-radius: 4px;

    cursor: pointer;

    font-size: .72rem;

    font-weight: 700;

}



/* =========================================
   ENERGY
========================================= */

.energy-section {

    background:
        var(--paper);

}


.energy-layout {

    display: grid;

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

    gap: 18px;

}


.formula-card {

    position: relative;

    min-height: 250px;

    padding: 31px;

    background: #ffffff;

    border:
        1px solid
        var(--line);

    overflow: hidden;

}


.formula-card.primary-formula {

    color: #151100;

    background: var(--d2);

    border-color:
        var(--d2);

}


.formula-number {

    position: absolute;

    right: 24px;
    top: 19px;

    color:
        rgba(21,21,22,.15);

    font:
        700 3rem
        var(--display);

}


.formula-card p {

    margin: 0;

    color: var(--muted);

    font-size: .74rem;

    font-weight: 800;

    letter-spacing: .08em;

    text-transform: uppercase;

}


.primary-formula p {

    color:
        rgba(20,15,0,.58);

}


.formula-display {

    display: grid;

    min-height: 145px;

    place-items: center;

    font-size: 1.2rem;

}


.formula-caption {

    display: block;

    text-align: center;

    font:
        700 .83rem
        var(--display);

}


.formula-caption.dark {

    color: var(--ink);

}


.formula-visual {

    min-height: 160px;

    display: grid;

    place-items: center;

}


.boundary-circle {

    position: relative;

    width: 130px;
    height: 130px;

    border:
        3px solid
        #1b1603;

    border-radius: 50%;

}


.inside-triangle {

    position: absolute;

    width: 72px;
    height: 64px;

    left: 50%;
    top: 50%;

    transform:
        translate(-50%,-43%);

    clip-path:
        polygon(
            50% 0,
            100% 100%,
            0 100%
        );

    background:
        rgba(20,15,0,.68);

}


.relation-stack {

    min-height: 155px;

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    gap: 8px;

}


.relation-stack i {

    color: var(--d2-deep);

}


.interpretation-banner {

    display: flex;

    gap: 17px;

    margin-top: 18px;

    padding:
        20px 23px;

    border:
        1px solid
        rgba(190,145,0,.24);

    background:
        rgba(255,213,77,.08);

}


.interpretation-banner i {

    margin-top: 5px;

    color: var(--d2-deep);

}


.interpretation-banner p {

    margin: 0;

    color: var(--muted);

    font-size: .87rem;

}



/* =========================================
   FORCE
========================================= */

.force-section {

    color: #ffffff;

    background:

        linear-gradient(
            125deg,
            #302803,
            #100e06 70%
        );

}


.force-layout {

    display: grid;

    grid-template-columns:
        .9fr 1.1fr;

    gap: 90px;

    align-items: center;

}


.force-section
.concept-copy > p {

    color:
        rgba(255,255,255,.62);

}


.force-symbol {

    position: relative;

    min-height: 480px;

    display: grid;

    place-items: center;

}


.weak-system {

    position: relative;

    width: 390px;
    height: 390px;

}


.boson {

    position: absolute;

    z-index: 5;

    display: grid;

    place-items: center;

    width: 78px;
    height: 78px;

    border-radius: 50%;

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

    box-shadow:
        0 0 40px
        rgba(255,213,77,.45);

}


.boson-w {

    left: 32px;
    top: 86px;

    color: #161100;

    background: var(--d2);

}


.boson-z {

    right: 32px;
    bottom: 86px;

    color: #161100;

    background:
        var(--d2-bright);

}


.state-node {

    position: absolute;

    display: grid;

    place-items: center;

    width: 52px;
    height: 52px;

    color: #ffffff;

    border:
        1px solid
        rgba(255,255,255,.35);

    border-radius: 50%;

}


.state-a {

    right: 55px;
    top: 43px;

}


.state-b {

    left: 54px;
    bottom: 43px;

}


.weak-path {

    position: absolute;

    height: 2px;

    background:

        linear-gradient(
            90deg,
            transparent,
            var(--d2),
            transparent
        );

    transform-origin:
        left center;

}


.path-one {

    left: 95px;
    top: 125px;

    width: 220px;

    transform:
        rotate(-15deg);

}


.path-two {

    left: 92px;
    top: 255px;

    width: 225px;

    transform:
        rotate(17deg);

}


.force-symbol > span {

    position: absolute;

    bottom: 4%;

    color:
        rgba(255,255,255,.45);

    font-size: .62rem;

    font-weight: 800;

    letter-spacing: .22em;

}


.force-specs {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 1px;

    margin:
        29px 0;

    background:
        rgba(255,255,255,.12);

}


.force-specs div {

    padding: 17px;

    background:
        rgba(255,255,255,.045);

}


.force-specs span,
.force-specs strong {

    display: block;

}


.force-specs span {

    color:
        rgba(255,255,255,.4);

    font-size: .62rem;

    font-weight: 800;

    letter-spacing: .12em;

    text-transform: uppercase;

}


.force-specs strong {

    margin-top: 4px;

}


.equation-strip {

    padding: 13px;

    overflow-x: auto;

    border:
        1px solid
        rgba(255,255,255,.13);

    background:
        rgba(0,0,0,.18);

    text-align: center;

}


.small-copy {

    font-size:
        .78rem !important;

}



/* =========================================
   BEINGS
========================================= */

.beings-section {

    background: #ffffff;

}


.molecule-system {

    position: relative;

    min-height: 470px;

    background:

        radial-gradient(
            circle,
            rgba(255,213,77,.14),
            transparent 43%
        ),

        #15130b;

    border:
        1px solid
        var(--line);

    overflow: hidden;

}


.atom {

    position: absolute;

    z-index: 4;

    display: grid;

    place-items: center;

    border-radius: 50%;

    font:
        700 1.1rem
        var(--display);

}


.atom-a {

    left: 20%;
    top: 46%;

    width: 62px;
    height: 62px;

    color: #151100;

    background: var(--d2);

}


.atom-b {

    left: 43%;
    top: 34%;

    width: 90px;
    height: 90px;

    color: #151100;

    background:
        var(--d2-bright);

    box-shadow:
        0 0 45px
        rgba(255,213,77,.35);

}


.atom-c {

    right: 19%;
    top: 47%;

    width: 62px;
    height: 62px;

    color: #151100;

    background: var(--d2);

}


.molecule-orbit {

    position: absolute;

    left: 50%;
    top: 50%;

    border:
        1px solid
        rgba(255,213,77,.26);

    border-radius: 50%;

    transform:
        translate(-50%,-50%);

}


.orbit-a {

    width: 75%;
    height: 36%;

    transform:
        translate(-50%,-50%)
        rotate(18deg);

}


.orbit-b {

    width: 75%;
    height: 36%;

    transform:
        translate(-50%,-50%)
        rotate(-18deg);

}


.orbit-c {

    width: 54%;
    height: 54%;

}


.molecule-label {

    position: absolute;

    left: 24px;
    bottom: 20px;

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

    font-size: .62rem;

    font-weight: 800;

    letter-spacing: .18em;

}


.evolution-chain {

    display: flex;

    align-items: center;

    flex-wrap: wrap;

    gap: 10px;

    margin-top: 30px;

}


.evolution-chain div {

    padding:
        9px 13px;

    border:
        1px solid
        var(--line);

    font:
        700 .76rem
        var(--display);

}


.evolution-chain i {

    color:
        var(--d2-deep);

}



/* =========================================
   GEOMETROQUANTUM
========================================= */

.geometro-layout {

    display: grid;

    grid-template-columns:
        1.05fr .95fr;

    gap: 72px;

    align-items: center;

}


.geo-visual {

    border:
        1px solid
        rgba(255,255,255,.11);

    background: #19170c;

}


.geo-header {

    display: flex;

    justify-content:
        space-between;

    padding:
        15px 18px;

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

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

    font-size: .62rem;

    font-weight: 800;

    letter-spacing: .15em;

}


#geometryCanvas {

    display: block;

    width: 100%;

}


.geo-controls {

    display: grid;

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

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

}


.polygon-btn {

    padding:
        13px 5px;

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

    background: transparent;

    border: 0;

    border-right:
        1px solid
        rgba(255,255,255,.08);

    cursor: pointer;

    font-size: .68rem;

}


.polygon-btn:hover,
.polygon-btn.active {

    color: #151100;

    background: var(--d2);

}


.geo-copy > p {

    color:
        rgba(255,255,255,.60) !important;

}


.equation-card-simple {

    margin:
        27px 0;

    padding: 21px;

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

    background:
        rgba(255,255,255,.04);

}


.equation-card-simple > span {

    color: var(--d2);

    font-size: .62rem;

    font-weight: 800;

    letter-spacing: .15em;

}


.correspondence {

    display: grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items: center;

    gap: 15px;

    margin-top: 24px;

    text-align: center;

}


.correspondence strong,
.correspondence small {

    display: block;

}


.correspondence small {

    margin-top: 5px;

    color:
        rgba(255,255,255,.40);

}



/* =========================================
   DUALITY
========================================= */

.duality-section {

    background: #ffffff;

}


.duality-grid {

    display: grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items: center;

    gap: 35px;

}


.duality-card {

    min-height: 310px;

    padding: 32px;

    border:
        1px solid
        var(--line);

}


.duality-card > span {

    color: var(--d2-deep);

    font-size: .63rem;

    font-weight: 800;

    letter-spacing: .16em;

}


.duality-card h3 {

    margin:
        8px 0 13px;

    font:
        700 1.45rem
        var(--display);

}


.duality-card p {

    color: var(--muted);

}


.duality-icon {

    width: 90px;
    height: 90px;

    margin-bottom: 36px;

    display: grid;

    place-items: center;

    background:
        rgba(255,213,77,.12);

    border-radius: 50%;

}


.wave-icon {

    color: var(--d2-deep);

    font-size: 1.8rem;

}


.small-triangle {

    width: 45px;
    height: 40px;

    clip-path:
        polygon(
            50% 0,
            100% 100%,
            0 100%
        );

    background: var(--d2-deep);

}


.duality-bridge {

    color: var(--d2-deep);

    font-size: 1.6rem;

}



/* =========================================
   GRAVITY
========================================= */

.gravity-section {

    background:

        linear-gradient(
            180deg,
            #f7f5f1,
            #eee9de
        );

}


.gravity-grid {

    display: grid;

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

    gap: 18px;

}


.gravity-card {

    padding: 31px;

    background: #ffffff;

    border:
        1px solid
        var(--line);

}


.gravity-icon {

    display: grid;

    place-items: center;

    width: 66px;
    height: 66px;

    color: #171200;

    background: var(--d2);

    border-radius: 50%;

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

    box-shadow:

        0 10px 35px
        rgba(255,213,77,.25);

}


.gravity-card h3 {

    margin:
        27px 0 10px;

    font:
        700 1.35rem
        var(--display);

}


.gravity-card p {

    color: var(--muted);

    font-size: .87rem;

}


.mini-equation {

    margin-top: 25px;

    padding: 10px;

    background:
        var(--paper);

    text-align: center;

}



/* =========================================
   CALCULATOR
========================================= */

.calculator-section {

    color: #ffffff;

    background: #131005;

}


.calculator-layout {

    display: grid;

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

    gap: 90px;

    align-items: center;

}


.calculator-section
.concept-copy > p {

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

}


.calculator-explanation {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 1px;

    margin-top: 30px;

    background:
        rgba(255,255,255,.1);

}


.calculator-explanation div {

    padding: 16px;

    background:
        rgba(255,255,255,.04);

}


.calculator-explanation span,
.calculator-explanation strong {

    display: block;

}


.calculator-explanation span {

    color:
        rgba(255,255,255,.43);

    font-size: .63rem;

    text-transform: uppercase;

}


.calculator-card {

    padding: 31px;

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

    background: #211b09;

    box-shadow:
        0 35px 90px
        rgba(0,0,0,.26);

}


.calculator-card label {

    display: block;

    margin:
        13px 0 7px;

    color:
        rgba(255,255,255,.62);

    font-size: .72rem;

    font-weight: 700;

}


.calculator-card input {

    width: 100%;

    padding:
        12px 13px;

    color: #ffffff;

    background:
        rgba(255,255,255,.045);

    border:
        1px solid
        rgba(255,255,255,.13);

    border-radius: 4px;

    outline: none;

}


.calculator-card input:focus {

    border-color:
        var(--d2);

    box-shadow:
        0 0 0 3px
        rgba(255,213,77,.10);

}


.calculator-card .btn {

    width: 100%;

    margin-top: 22px;

    border: 0;

}


.calculator-result {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 1px;

    margin-top: 18px;

    background:
        rgba(255,255,255,.1);

}


.calculator-result div {

    padding: 15px;

    background:
        rgba(255,255,255,.04);

}


.calculator-result span,
.calculator-result strong {

    display: block;

}


.calculator-result span {

    color:
        rgba(255,255,255,.40);

    font-size: .62rem;

    font-weight: 800;

    text-transform: uppercase;

}


.calculator-result strong {

    margin-top: 5px;

    color: var(--d2);

}


.form-error {

    min-height: 20px;

    margin:
        9px 0 0;

    color: #ffe783;

    font-size: .72rem;

}



/* =========================================
   RESEARCH NOTE
========================================= */

.research-note {

    padding:
        55px 0;

    color: #151100;

    background: var(--d2);

}


.note-inner {

    display: grid;

    grid-template-columns:
        auto 1fr;

    gap: 22px;

    align-items: start;

}


.note-inner > i {

    font-size: 1.7rem;

}


.note-inner h2 {

    margin:
        0 0 7px;

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

}


.note-inner p {

    margin: 0;

    color:
        rgba(20,15,0,.72);

    font-size: .86rem;

}



/* =========================================
   PAGINATION
========================================= */

.dimension-pagination {

    padding:
        42px 0;

    background: #ffffff;

}


.pagination-inner {

    display: grid;

    grid-template-columns:
        1fr auto 1fr;

    align-items: center;

    gap: 20px;

}


.pagination-link {

    display: flex;

    flex-direction: column;

}


.pagination-link.next {

    text-align: right;

}


.pagination-link span {

    color: var(--muted);

    font-size: .65rem;

    font-weight: 700;

    text-transform: uppercase;

}


.pagination-link strong {

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

}


.pagination-link strong:hover {

    color: var(--d2-deep);

}


.dimension-dots {

    display: flex;

    gap: 8px;

}


.dimension-dots span {

    display: grid;

    place-items: center;

    width: 29px;
    height: 29px;

    border:
        1px solid
        var(--line);

    border-radius: 50%;

    font-size: .66rem;

    font-weight: 700;

}


.dimension-dots span.active {

    color: #151100;

    background: var(--d2);

    border-color: var(--d2);

}



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

@media (max-width: 1100px) {

    .hero-layout {

        grid-template-columns:
            1fr;

    }


    .hero-visual {

        max-width: 720px;

    }


    .profile-grid {

        grid-template-columns:
            1fr 1fr;

    }


    .force-layout,
    .geometro-layout,
    .calculator-layout {

        gap: 50px;

    }

}


@media (max-width: 820px) {

    .section {

        padding:
            82px 0;

    }


    .hero-copy h1 {

        font-size:
            clamp(
                3.8rem,
                16vw,
                6.2rem
            );

    }


    .hero-facts {

        grid-template-columns:
            1fr 1fr;

    }


    .split-layout,
    .force-layout,
    .geometro-layout,
    .calculator-layout {

        grid-template-columns:
            1fr;

        gap: 44px;

    }


    .split-layout.reverse
    > :first-child {

        order: initial;

    }


    .concept-copy {

        max-width: none;

    }


    .energy-layout {

        grid-template-columns:
            1fr;

    }


    .gravity-grid {

        grid-template-columns:
            1fr;

    }


    .duality-grid {

        grid-template-columns:
            1fr;

    }


    .duality-bridge {

        transform:
            rotate(90deg);

        text-align: center;

    }


    .pagination-inner {

        grid-template-columns:
            1fr 1fr;

    }


    .dimension-dots {

        display: none;

    }

}


@media (max-width: 580px) {

    .container {

        width:
            min(
                100% - 26px,
                1180px
            );

    }


    .dimension-hero {

        padding-top: 125px;

    }


    .hero-actions {

        flex-direction: column;

        align-items: stretch;

    }


    .hero-facts,
    .profile-grid,
    .force-specs,
    .calculator-result,
    .calculator-explanation {

        grid-template-columns:
            1fr;

    }


    .math-panel,
    .formula-card,
    .gravity-card,
    .calculator-card {

        padding: 22px;

    }


    .section-heading h2,
    .concept-copy h2 {

        font-size:
            2.55rem;

    }


    .geo-controls {

        grid-template-columns:
            1fr 1fr;

    }

}

/* =========================================================
   DIMENSION TWO — INTERACTION UPGRADE
========================================================= */


/* =========================================================
   PAGE PROGRESS
========================================================= */

.d2-page-progress {

    position: fixed;

    top: 0;
    right: 0;

    z-index: 2000;

    width: 3px;
    height: 0;

    pointer-events: none;

    background: var(--d2);

    box-shadow:
        0 0 11px
        rgba(255,213,77,.65);

}


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

.dimension-two-page
.dimension-hero::after {

    content: "";

    position: absolute;

    inset: 0;

    z-index: 0;

    pointer-events: none;

    background:

        radial-gradient(
            circle
            at
            var(--hero-x,74%)
            var(--hero-y,35%),

            rgba(255,213,77,.075),

            transparent 25%
        );

}


.dimension-two-page
.hero-copy,

.dimension-two-page
.hero-visual {

    position: relative;

    z-index: 2;

}


.dimension-two-page
.hero-copy {

    transform:

        translate(
            var(--hero-shift-x,0),
            var(--hero-shift-y,0)
        );

    transition:
        transform .18s ease-out;

}


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

.dimension-two-page
.hero-copy h1 em {

    text-shadow:

        0 0 14px
        rgba(255,213,77,.28),

        0 0 40px
        rgba(255,213,77,.12);

}


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

.dimension-two-page
.hero-facts div {

    position: relative;

    overflow: hidden;

    transition:

        transform .25s ease,
        background .25s ease;

}


.dimension-two-page
.hero-facts div::after {

    content: "";

    position: absolute;

    left: 0;
    bottom: 0;

    width: 100%;
    height: 2px;

    background: var(--d2);

    transform:
        scaleX(0);

    transform-origin: left;

    transition:
        transform .3s ease;

}


.dimension-two-page
.hero-facts div:hover {

    transform:
        translateY(-3px);

    background:
        rgba(255,213,77,.09);

}


.dimension-two-page
.hero-facts div:hover::after {

    transform:
        scaleX(1);

}


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

.d2-visual-controls {

    display: inline-flex;

    align-items: center;

    gap: 7px;

}


.d2-visual-control {

    width: 27px;
    height: 27px;

    padding: 0;

    display: inline-grid;

    place-items: center;

    color:
        rgba(255,255,255,.67);

    background: transparent;

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

    border-radius: 50%;

    cursor: pointer;

    font-size: .63rem;

    transition:

        color .2s ease,
        border-color .2s ease,
        background .2s ease;

}


.d2-visual-control:hover {

    color: #ffffff;

    border-color: var(--d2);

    background:
        rgba(255,213,77,.10);

}


/* =========================================================
   CARD SPOTLIGHT
========================================================= */

.profile-card,
.formula-card,
.gravity-card,
.duality-card,
.calculator-card {

    position: relative;

    overflow: hidden;

}


.profile-card::before,
.formula-card::before,
.gravity-card::before,
.duality-card::before,
.calculator-card::before {

    content: "";

    position: absolute;

    inset: 0;

    z-index: 0;

    pointer-events: none;

    opacity: 0;

    background:

        radial-gradient(
            330px circle
            at
            var(--mouse-x,50%)
            var(--mouse-y,50%),

            rgba(255,213,77,.10),

            transparent 48%
        );

    transition:
        opacity .25s ease;

}


.profile-card:hover::before,
.formula-card:hover::before,
.gravity-card:hover::before,
.duality-card:hover::before,
.calculator-card:hover::before {

    opacity: 1;

}


.profile-card > *,
.formula-card > *,
.gravity-card > *,
.duality-card > *,
.calculator-card > * {

    position: relative;

    z-index: 2;

}


/* =========================================================
   PROFILE CARDS
========================================================= */

.profile-card {

    transform-style:
        preserve-3d;

}


.profile-card i {

    transition:

        transform .32s ease,
        filter .32s ease;

}


.profile-card:hover i {

    transform:
        scale(1.12)
        rotate(-5deg);

    filter:

        drop-shadow(
            0 0 8px
            rgba(255,213,77,.32)
        );

}


/* =========================================================
   FEATURE LIST
========================================================= */

.feature-list li {

    position: relative;

    transition:

        padding-left .25s ease,
        opacity .25s ease;

}


.feature-list li:hover {

    padding-left: 9px;

}


.feature-list:hover
li:not(:hover) {

    opacity: .42;

}


/* =========================================================
   SPACE GEOMETRY
========================================================= */

.energy-circle {

    cursor: pointer;

    transition:

        transform .32s ease,
        box-shadow .32s ease;

}


.energy-circle:hover {

    transform:
        scale(1.05);

    box-shadow:

        0 0 45px
        rgba(255,213,77,.42),

        inset 0 0 35px
        rgba(255,213,77,.11);

}


.energy-circle.geometry-pulse {

    animation:
        geometryPulse
        .7s ease;

}


@keyframes geometryPulse {

    0% {

        transform:
            scale(1);

    }

    45% {

        transform:
            scale(1.12);

        box-shadow:

            0 0 70px
            rgba(255,213,77,.75);

    }

    100% {

        transform:
            scale(1);

    }

}


.geometry-readout {

    margin-top: 18px;

    padding:
        11px 14px;

    color: var(--muted);

    background: var(--paper);

    border:
        1px solid var(--line);

    font-size: .72rem;

    text-align: center;

}


.geometry-readout strong {

    color: var(--d2-deep);

}


/* =========================================================
   TIME CURVE
========================================================= */

.curve-demo {

    position: relative;

}


#timePath {

    transition:
        stroke-width .25s ease;

}


.curve-demo:hover
#timePath {

    stroke-width: 3;

}


#timeParticle {

    cursor: pointer;

    transition:
        r .25s ease;

}


.time-status {

    min-height: 25px;

    margin-top: 12px;

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

    font-size: .68rem;

    text-align: center;

    letter-spacing: .05em;

}


/* =========================================================
   FORMULA CARDS
========================================================= */

.formula-card {

    cursor: pointer;

    transition:

        transform .28s ease,
        border-color .28s ease,
        box-shadow .28s ease,
        opacity .28s ease;

}


.formula-card:hover {

    transform:
        translateY(-6px);

    border-color:
        rgba(190,145,0,.48);

    box-shadow:
        var(--shadow);

}


.energy-layout:hover
.formula-card:not(:hover) {

    opacity: .52;

}


/* =========================================================
   COPY EQUATION BUTTON
========================================================= */

.d2-copy-equation {

    position: absolute;

    top: 17px;
    left: 17px;

    z-index: 8;

    min-height: 31px;

    padding:
        0 10px;

    display: inline-flex;

    align-items: center;

    gap: 6px;

    color: var(--muted);

    background:
        rgba(255,255,255,.76);

    border:
        1px solid var(--line);

    cursor: pointer;

    opacity: 0;

    font-size: .61rem;

    font-weight: 800;

    transition:

        opacity .25s ease,
        color .25s ease,
        border-color .25s ease,
        transform .25s ease;

}


.formula-card:hover
.d2-copy-equation {

    opacity: 1;

}


.d2-copy-equation:hover {

    color: var(--d2-deep);

    border-color:
        rgba(180,135,0,.45);

    transform:
        translateY(-2px);

}


.primary-formula
.d2-copy-equation {

    color:
        rgba(20,15,0,.68);

    background:
        rgba(255,255,255,.24);

    border-color:
        rgba(20,15,0,.18);

}


/* =========================================================
   WEAK FORCE INTERACTION
========================================================= */

.force-symbol {

    cursor: pointer;

}


.force-symbol::after {

    content:
        "CLICK FIELD TO TRIGGER TRANSITION";

    position: absolute;

    left: 50%;
    bottom: 0;

    transform:
        translateX(-50%);

    color:
        rgba(255,255,255,.22);

    font-size: .52rem;

    font-weight: 800;

    letter-spacing: .13em;

    white-space: nowrap;

    transition:
        color .25s ease;

}


.force-symbol:hover::after {

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

}


.boson,
.state-node {

    transition:

        transform .3s ease,
        box-shadow .3s ease,
        background .3s ease;

}


.force-symbol:hover
.boson {

    transform:
        scale(1.06);

}


.force-symbol.weak-pulse
.boson-w {

    transform:
        scale(1.18);

    box-shadow:

        0 0 35px
        rgba(255,255,255,.20),

        0 0 85px
        rgba(255,213,77,.70);

}


.force-symbol.weak-pulse
.boson-z {

    transform:
        scale(.90);

}


.force-symbol.weak-pulse
.state-node {

    border-color: var(--d2);

    box-shadow:
        0 0 24px
        rgba(255,213,77,.40);

}


.force-specs div {

    transition:

        transform .25s ease,
        background .25s ease;

}


.force-specs div:hover {

    transform:
        translateY(-3px);

    background:
        rgba(255,213,77,.10);

}


/* =========================================================
   MOLECULE / BEINGS
========================================================= */

.atom {

    cursor: pointer;

    transition:

        transform .30s ease,
        box-shadow .30s ease;

}


.atom:hover,
.atom.atom-active {

    transform:
        scale(1.17);

    box-shadow:

        0 0 28px
        rgba(255,255,255,.18),

        0 0 58px
        rgba(255,213,77,.55);

}


.molecule-inspector {

    position: absolute;

    right: 20px;
    bottom: 18px;

    z-index: 9;

    max-width: 265px;

    padding:
        10px 13px;

    color:
        rgba(255,255,255,.62);

    background:
        rgba(0,0,0,.34);

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

    font-size: .67rem;

    backdrop-filter:
        blur(8px);

}


/* =========================================================
   EVOLUTION CHAIN
========================================================= */

.evolution-chain div {

    cursor: default;

    transition:

        transform .25s ease,
        background .25s ease,
        color .25s ease;

}


.evolution-chain div:hover {

    transform:
        translateY(-4px);

    color: #151100;

    background: var(--d2);

    border-color: var(--d2);

}


/* =========================================================
   GEOMETROQUANTUM EXPLORER
========================================================= */

.geo-visual {

    position: relative;

    transition:
        border-color .25s ease;

}


.geo-visual:hover {

    border-color:
        rgba(255,213,77,.35);

}


.polygon-btn {

    position: relative;

    overflow: hidden;

    transition:

        background .25s ease,
        color .25s ease;

}


.polygon-btn::after {

    content: "";

    position: absolute;

    left: 0;
    bottom: 0;

    width: 100%;
    height: 2px;

    background: var(--d2);

    transform:
        scaleX(0);

    transition:
        transform .25s ease;

}


.polygon-btn.active::after {

    transform:
        scaleX(1);

}


.geo-status {

    padding:
        10px 15px;

    color:
        rgba(255,255,255,.47);

    border-top:
        1px solid
        rgba(255,255,255,.08);

    font-size: .66rem;

    text-align: center;

}


/* =========================================================
   DUALITY
========================================================= */

.duality-card {

    cursor: pointer;

    transition:

        transform .28s ease,
        opacity .28s ease,
        border-color .28s ease;

}


.duality-card:hover {

    transform:
        translateY(-6px);

    border-color:
        rgba(190,145,0,.44);

}


.duality-grid:hover
.duality-card:not(:hover) {

    opacity: .48;

}


/* =========================================================
   GRAVITY
========================================================= */

.gravity-card {

    cursor: pointer;

    transition:

        transform .28s ease,
        opacity .28s ease,
        border-color .28s ease,
        box-shadow .28s ease;

}


.gravity-card:hover {

    transform:
        translateY(-7px);

    border-color:
        rgba(190,145,0,.44);

    box-shadow:
        var(--shadow);

}


.gravity-grid:hover
.gravity-card:not(:hover) {

    opacity: .45;

}


.gravity-icon {

    transition:

        transform .3s ease,
        color .3s ease;

}


.gravity-card:hover
.gravity-icon {

    transform:
        scale(1.1);

    color: var(--d2-deep);

}


/* =========================================================
   CALCULATOR
========================================================= */

.calculator-card input {

    transition:

        border-color .25s ease,
        box-shadow .25s ease;

}


.calculator-card input:focus {

    border-color: var(--d2);

    box-shadow:

        0 0 0 3px
        rgba(255,213,77,.13);

}


.calculator-result div {

    transition:
        background .25s ease;

}


.calculator-result div:hover {

    background:
        rgba(255,213,77,.09);

}


.d2-calculation-flash {

    animation:
        d2ResultFlash
        .65s ease;

}


@keyframes d2ResultFlash {

    0% {

        background:
            rgba(255,213,77,.30);

    }

    100% {

        background:
            transparent;

    }

}


/* =========================================================
   SECTION HEADING LINE
========================================================= */

.section-heading h2,
.concept-copy h2 {

    position: relative;

}


.section-heading h2::after,
.concept-copy h2::after {

    content: "";

    display: block;

    width: 0;
    height: 2px;

    margin-top: 20px;

    background: var(--d2-deep);

    transition:
        width .7s ease;

}


.dark-section
.section-heading h2::after,

.dark-section
.concept-copy h2::after,

.force-section
.concept-copy h2::after {

    background: var(--d2);

}


.section-heading.d2-line-active
h2::after,

.concept-copy.d2-line-active
h2::after {

    width: 72px;

}


/* =========================================================
   SECTION NAVIGATION
========================================================= */

.dimension-nav a {

    position: relative;

}


.dimension-nav a::after {

    content: "";

    position: absolute;

    left: 14px;
    right: 14px;
    bottom: 7px;

    height: 1px;

    background: var(--d2);

    opacity: 0;

    transform:
        scaleX(0);

    transition:

        transform .25s ease,
        opacity .25s ease;

}


.dimension-nav a.active::after {

    opacity: 1;

    transform:
        scaleX(1);

}


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

@media (max-width: 900px) {

    .d2-copy-equation {

        opacity: 1;

    }

}


@media (max-width: 580px) {

    .molecule-inspector {

        left: 18px;
        right: 18px;

        max-width: none;

    }

}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media
(prefers-reduced-motion: reduce) {

    .dimension-two-page
    .hero-copy {

        transform:
            none !important;

    }

}