@charset "utf-8";

@font-face {
    font-family: "Google Sans Display Regular";
    src: url("fonts/google-sans-display-regular.woff2") format("woff2");
    font-display: swap;
}

@font-face {
    font-family: "Google Sans Display Medium";
    src: url("fonts/google-sans-display-medium.woff2") format("woff2");
    font-display: swap;
}

@font-face {
    font-family: "D-DINE";
    src: url("fonts/D-DINE.otf") format("opentype");
    font-display: swap;
}

:root {
    --ink: #202124;
    --paper: #f8f8f6;
    --white: #ffffff;
    --black: #121212;
    --muted: #6b6d70;
    --line: #dededb;
    --accent: #2f6fe4;
    --accent-strong: #174ea6;
    --accent-bright: #79a2ff;
    --accent-rgb: 47, 111, 228;
    --accent-bright-rgb: 121, 162, 255;
    --ease: cubic-bezier(.22, .72, .2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    overflow-x: hidden;
    background: var(--paper);
    color: var(--ink);
    font-family: "Google Sans Display Regular", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 3000;
    padding: 10px 14px;
    background: var(--white);
    color: var(--ink);
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform .2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.research-nav {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    padding: 25px 0;
    border-bottom: 1px solid transparent;
    color: var(--white);
    transition: padding .35s ease, background .35s ease, border-color .35s ease, color .35s ease, box-shadow .35s ease;
}

.research-nav.scrolled {
    padding: 14px 0;
    border-bottom-color: rgba(32, 33, 36, .1);
    background: rgba(255, 255, 255, .94);
    color: var(--ink);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.research-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(22px, 4.8vw, 72px);
}

.research-logo {
    position: relative;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    color: inherit;
    font-family: "Google Sans Display Medium", sans-serif;
    line-height: 1;
    text-decoration: none;
}

.research-logo span {
    font-size: 19px;
    letter-spacing: .13em;
}

.research-logo small {
    margin-top: 4px;
    color: rgba(255, 255, 255, .5);
    font-size: 8px;
    letter-spacing: .16em;
    text-align: right;
}

.research-nav.scrolled .research-logo {
    color: var(--accent);
}

.research-nav.scrolled .research-logo small {
    color: #9aa0a6;
}

.research-nav-links {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2.3vw, 42px);
    list-style: none;
}

.research-nav-links a {
    position: relative;
    color: inherit;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .17em;
    text-decoration: none;
}

.research-nav-links a::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: -9px;
    left: 0;
    height: 1px;
    background: var(--accent-bright);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .35s var(--ease);
}

.research-nav-links a:hover::after,
.research-nav-links a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.research-nav.scrolled .research-nav-links a::after {
    background: var(--accent);
}

.research-menu-toggle {
    position: relative;
    z-index: 1001;
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.research-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background: currentColor;
    transition: transform .3s ease, opacity .3s ease;
}

.research-menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.research-menu-toggle.active span:nth-child(2) { opacity: 0; }
.research-menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.research-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, .88fr) minmax(520px, 1.12fr);
    align-items: center;
    gap: clamp(48px, 6vw, 104px);
    min-height: 100vh;
    min-height: 100svh;
    padding: 132px clamp(28px, 6vw, 96px) 72px;
    overflow: hidden;
    background:
        radial-gradient(circle at 74% 48%, rgba(var(--accent-rgb), .12), transparent 27%),
        var(--black);
    color: var(--white);
}

.research-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 42%, #000);
    mask-image: linear-gradient(90deg, transparent, #000 42%, #000);
}

.research-hero-copy {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.research-eyebrow {
    color: var(--accent);
    font-family: "D-DINE", sans-serif;
    font-size: 10px;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.research-hero .research-eyebrow,
.research-lines .research-eyebrow {
    color: var(--accent-bright);
}

.research-hero h1 {
    max-width: 720px;
    margin: 25px 0 30px;
    font-size: clamp(58px, 6.2vw, 104px);
    font-weight: 300;
    letter-spacing: -.055em;
    line-height: .91;
    text-wrap: balance;
}

.research-hero-lead {
    max-width: 570px;
    color: rgba(255, 255, 255, .7);
    font-size: clamp(17px, 1.4vw, 21px);
    font-weight: 300;
    line-height: 1.6;
}

.research-primary-link {
    display: inline-flex;
    align-items: center;
    gap: 22px;
    min-height: 48px;
    margin-top: 38px;
    border-bottom: 1px solid rgba(255, 255, 255, .48);
    color: var(--white);
    font-family: "D-DINE", sans-serif;
    font-size: 11px;
    letter-spacing: .19em;
    text-decoration: none;
    transition: border-color .25s ease, gap .25s ease, color .25s ease;
}

.research-primary-link:hover {
    gap: 30px;
    border-color: var(--accent);
    color: #fff;
}

.research-primary-link span {
    color: var(--accent);
    font-size: 17px;
    letter-spacing: 0;
}

.research-hero .research-primary-link span {
    color: var(--accent-bright);
}

.material-lab {
    --px: 50%;
    --py: 50%;
    --rx: 0deg;
    --ry: 0deg;
    position: relative;
    z-index: 1;
    justify-self: end;
    width: min(46vw, 690px);
    aspect-ratio: 1;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .16);
    background:
        radial-gradient(circle at var(--px) var(--py), rgba(var(--accent-rgb), .17), transparent 27%),
        linear-gradient(145deg, #1c1c1c, #0d0d0d);
    box-shadow: 0 50px 120px rgba(0, 0, 0, .42);
    transform: perspective(1200px) rotateX(var(--rx)) rotateY(var(--ry));
    transition: transform .45s var(--ease);
}

.lab-grid {
    position: absolute;
    inset: 0;
    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: 40px 40px;
    -webkit-mask-image: radial-gradient(circle, #000, transparent 74%);
    mask-image: radial-gradient(circle, #000, transparent 74%);
}

.lab-axis {
    position: absolute;
    z-index: 2;
    background: rgba(var(--accent-bright-rgb), .66);
}

.lab-axis-x { top: 50%; right: 9%; left: 9%; height: 1px; }
.lab-axis-y { top: 9%; bottom: 9%; left: 50%; width: 1px; }

.lab-axis-x::before,
.lab-axis-y::before {
    content: '';
    position: absolute;
    width: 7px;
    height: 7px;
    border: 1px solid var(--accent-bright);
    border-radius: 50%;
    background: #141414;
}

.lab-axis-x::before { top: -4px; left: calc(50% - 4px); }
.lab-axis-y::before { top: calc(50% - 4px); left: -4px; }

.lab-ticks {
    position: absolute;
    z-index: 3;
    inset: 14.5%;
    border-radius: 50%;
    background: repeating-conic-gradient(from -1deg, rgba(255, 255, 255, .42) 0 .55deg, transparent .55deg 5deg);
    -webkit-mask: radial-gradient(circle, transparent 0 64%, #000 64.5% 66%, transparent 66.5%);
    mask: radial-gradient(circle, transparent 0 64%, #000 64.5% 66%, transparent 66.5%);
    opacity: .7;
}

.lab-orbit {
    position: absolute;
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, .27);
    border-radius: 50%;
}

.lab-orbit-a {
    inset: 17%;
}

.lab-orbit-b {
    inset: 26.5%;
    border-color: rgba(255, 255, 255, .12);
    border-style: dashed;
}

.lab-orbit span {
    position: absolute;
    top: 12%;
    right: 12%;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--white);
    box-shadow: 0 0 20px rgba(255, 255, 255, .7);
}

.lab-specimen {
    position: absolute;
    z-index: 4;
    top: 50%;
    left: 50%;
    width: 43%;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, .34);
    border-radius: 50%;
    outline: 9px solid rgba(255, 255, 255, .035);
    background: #171817;
    box-shadow: 0 34px 60px rgba(0, 0, 0, .56), inset 0 0 40px rgba(255, 255, 255, .07);
    transform: translate(-50%, -50%);
}

.lab-specimen-surface {
    position: absolute;
    inset: 5%;
    overflow: hidden;
    border-radius: 50%;
    background:
        radial-gradient(circle at var(--px) var(--py), rgba(220, 220, 210, .32), transparent 23%),
        linear-gradient(rgba(10, 10, 10, .05), rgba(10, 10, 10, .18)),
        url("img/research-metamaterial-concrete-v1.webp") center / cover no-repeat;
    filter: saturate(.72) contrast(1.1) brightness(.84);
}

.lab-specimen-surface::after {
    content: '';
    position: absolute;
    z-index: 3;
    inset: -20%;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent calc(var(--px) - 1px), rgba(var(--accent-bright-rgb), .38) var(--px), transparent calc(var(--px) + 1px)),
        repeating-radial-gradient(circle at 52% 48%, transparent 0 12px, rgba(255, 255, 255, .04) 13px 14px);
    mix-blend-mode: screen;
}

.lab-micrograph {
    position: absolute;
    z-index: 2;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: .52;
    mix-blend-mode: screen;
}

.micro-grains path {
    fill: transparent;
    stroke: rgba(255, 255, 255, .12);
    stroke-width: 1.1;
}

.micro-grains path:nth-child(3n + 1) { fill: rgba(255, 255, 255, .018); }
.micro-grains path:nth-child(4n + 2) { fill: rgba(0, 0, 0, .045); }

.micro-inclusions circle {
    fill: rgba(10, 10, 10, .18);
    stroke: rgba(255, 255, 255, .22);
    stroke-width: 1;
}

.micro-fracture,
.micro-vector {
    fill: none;
    stroke: rgba(var(--accent-bright-rgb), .88);
    stroke-width: 1.2;
    vector-effect: non-scaling-stroke;
}

.micro-fracture-secondary {
    stroke: rgba(255, 255, 255, .5);
    stroke-dasharray: 3 4;
}

.micro-probe {
    fill: rgba(var(--accent-bright-rgb), .08);
    stroke: rgba(255, 255, 255, .62);
    stroke-width: 1;
    stroke-dasharray: 4 3;
}

.micro-vector {
    stroke: rgba(255, 255, 255, .72);
    stroke-width: .8;
}

.lab-specimen-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9%;
    aspect-ratio: 1;
    border: 1px solid rgba(var(--accent-bright-rgb), .8);
    border-radius: 50%;
    background: rgba(var(--accent-bright-rgb), .12);
    transform: translate(-50%, -50%);
}

.lab-callout {
    position: absolute;
    z-index: 7;
    display: flex;
    align-items: center;
    gap: 8px;
    width: 20%;
    color: rgba(255, 255, 255, .38);
    font-family: "D-DINE", sans-serif;
    font-size: 6px;
    letter-spacing: .13em;
    white-space: nowrap;
}

.lab-callout i {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .42));
}

.lab-callout-a { top: 37%; left: 5%; }
.lab-callout-b { right: 5%; bottom: 37%; flex-direction: row-reverse; }
.lab-callout-b i { background: linear-gradient(90deg, rgba(255, 255, 255, .42), transparent); }

.lab-data-panel,
.lab-curve-panel {
    position: absolute;
    z-index: 7;
    font-family: "D-DINE", sans-serif;
}

.lab-data-panel {
    top: 15%;
    left: 4.5%;
    width: 21%;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.lab-data-panel p,
.lab-curve-panel > div {
    padding: 8px 0;
    color: rgba(255, 255, 255, .32);
    font-size: 6px;
    letter-spacing: .13em;
}

.lab-data-panel div {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0;
    border-top: 1px solid rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .32);
    font-size: 6px;
    letter-spacing: .1em;
}

.lab-data-panel strong,
.lab-curve-panel strong {
    color: rgba(255, 255, 255, .68);
    font-weight: 400;
}

.lab-curve-panel {
    right: 4.5%;
    bottom: 9%;
    width: 27%;
    padding-top: 2px;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.lab-curve-panel > div {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0 2px;
    font-size: 5px;
}

.lab-curve-panel svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.curve-axis,
.curve-control,
.curve-variable {
    fill: none;
    vector-effect: non-scaling-stroke;
}

.curve-axis { stroke: rgba(255, 255, 255, .16); stroke-width: 1; }
.curve-control { stroke: rgba(255, 255, 255, .45); stroke-width: 1; stroke-dasharray: 3 3; }
.curve-variable { stroke: rgba(var(--accent-bright-rgb), .84); stroke-width: 1.2; }
.curve-points circle { fill: var(--accent-bright); }

.lab-scan {
    position: absolute;
    z-index: 6;
    top: 8%;
    bottom: 8%;
    width: 1px;
    background: linear-gradient(transparent, rgba(var(--accent-bright-rgb), .95), transparent);
    box-shadow: 0 0 22px rgba(var(--accent-bright-rgb), .5);
    left: var(--px);
    opacity: .72;
    transition: left .28s var(--ease), opacity .28s ease;
}

.lab-readout,
.lab-coordinate {
    position: absolute;
    z-index: 7;
    font-family: "D-DINE", sans-serif;
    letter-spacing: .14em;
}

.lab-readout {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: rgba(255, 255, 255, .38);
    font-size: 8px;
}

.lab-readout strong {
    color: rgba(255, 255, 255, .72);
    font-size: 9px;
    font-weight: 400;
}

.lab-readout-top { top: 26px; right: 28px; left: 28px; }
.lab-readout-bottom { right: 28px; bottom: 26px; left: 28px; }

.lab-coordinate {
    right: 25px;
    bottom: 49%;
    color: rgba(255, 255, 255, .28);
    font-size: 7px;
    transform: rotate(90deg) translateX(50%);
    transform-origin: right bottom;
}

.research-commitment,
.research-method {
    padding: clamp(92px, 11vw, 170px) clamp(28px, 7vw, 112px);
    background: var(--white);
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(130px, .35fr) minmax(0, 1.65fr);
    gap: clamp(36px, 7vw, 120px);
    align-items: start;
    margin-bottom: clamp(68px, 8vw, 120px);
}

.section-heading h2,
.research-lines-header h2,
.collaboration-copy h2 {
    max-width: 920px;
    font-size: clamp(48px, 6.1vw, 92px);
    font-weight: 300;
    letter-spacing: -.052em;
    line-height: .96;
    text-wrap: balance;
}

.commitment-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
    gap: clamp(64px, 9vw, 150px);
    max-width: 1280px;
    margin-left: auto;
}

.commitment-copy {
    color: #48494b;
    font-size: clamp(18px, 1.6vw, 22px);
    line-height: 1.72;
}

.commitment-copy p + p { margin-top: 26px; }

.commitment-principles {
    border-top: 1px solid var(--line);
}

.commitment-principles > div {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 4px 18px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.commitment-principles span {
    grid-row: 1 / 3;
    color: var(--accent);
    font-family: "D-DINE", sans-serif;
    font-size: 11px;
}

.commitment-principles h3 {
    font-size: 18px;
    font-weight: 500;
}

.commitment-principles p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

.research-cycle {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto;
    align-items: center;
    gap: 18px;
    margin-top: clamp(76px, 9vw, 140px);
    padding: 34px 0 0;
    border-top: 1px solid var(--ink);
}

.cycle-node {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.cycle-node span {
    color: var(--accent);
    font-family: "D-DINE", sans-serif;
    font-size: 9px;
}

.cycle-node strong {
    font-family: "D-DINE", sans-serif;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: .14em;
}

.research-cycle i {
    height: 1px;
    background: #c9c9c6;
}

.research-lines {
    padding: clamp(92px, 10vw, 156px) clamp(28px, 5.4vw, 86px);
    background: var(--black);
    color: var(--white);
}

.research-lines-header {
    display: grid;
    grid-template-columns: .45fr 1.25fr .55fr;
    gap: clamp(36px, 6vw, 96px);
    align-items: end;
    margin-bottom: 72px;
}

.research-lines-header h2 { max-width: 760px; }

.research-lines-header > p:last-child {
    color: rgba(255, 255, 255, .55);
    font-size: 15px;
    line-height: 1.6;
}

.research-lines-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid rgba(255, 255, 255, .18);
    border-left: 1px solid rgba(255, 255, 255, .18);
}

.research-line-card {
    position: relative;
    min-height: 570px;
    padding: 24px clamp(20px, 2vw, 34px) 34px;
    overflow: hidden;
    border-right: 1px solid rgba(255, 255, 255, .18);
    border-bottom: 1px solid rgba(255, 255, 255, .18);
    transition: background .35s ease, transform .35s var(--ease);
}

.research-line-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    background: var(--accent-bright);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .45s var(--ease);
}

.research-line-card:hover {
    background: #1b1b1b;
    transform: translateY(-8px);
}

.research-line-card:hover::before { transform: scaleX(1); }

.line-card-meta {
    display: flex;
    justify-content: space-between;
    color: rgba(255, 255, 255, .36);
    font-family: "D-DINE", sans-serif;
    font-size: 9px;
    letter-spacing: .16em;
}

.line-card-meta span { color: var(--accent-bright); }

.line-card-visual {
    position: relative;
    height: 190px;
    margin: 46px 0 42px;
    border: 1px solid rgba(255, 255, 255, .12);
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 24px 24px;
}

.visual-materials {
    display: grid;
    grid-template-columns: repeat(5, 16px);
    place-content: center;
    gap: 11px;
}

.visual-materials i {
    width: 16px;
    height: 86px;
    background: linear-gradient(180deg, #7f7f79, #282826);
    transform: translateY(var(--shift, 0));
}

.visual-materials i:nth-child(2) { --shift: 18px; }
.visual-materials i:nth-child(3) { --shift: -13px; background: linear-gradient(180deg, var(--accent-bright), #0b2d68); }
.visual-materials i:nth-child(4) { --shift: 9px; }
.visual-materials i:nth-child(5) { --shift: -20px; }

.visual-techniques i {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 48%;
    height: 42%;
    border: 1px solid rgba(255, 255, 255, .46);
}

.visual-techniques i:nth-child(1) { transform: translate(-85%, -72%); }
.visual-techniques i:nth-child(2) { border-color: var(--accent-bright); transform: translate(-15%, -28%); }
.visual-techniques i:nth-child(3) { width: 1px; height: 70%; background: rgba(255,255,255,.35); border: 0; transform: translate(-50%, -50%) rotate(38deg); }

.visual-methods {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.visual-methods i {
    width: 27px;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, .42);
    border-radius: 50%;
}

.visual-methods i:not(:last-child)::after {
    content: '';
    display: block;
    width: 11px;
    height: 1px;
    margin: 13px 0 0 27px;
    background: rgba(255, 255, 255, .32);
}

.visual-methods i:nth-child(3) { border-color: var(--accent-bright); background: rgba(var(--accent-bright-rgb), .15); }

.visual-performance i {
    position: absolute;
    bottom: 35px;
    width: 1px;
    background: rgba(255, 255, 255, .36);
}

.visual-performance i:nth-child(1) { left: 22%; height: 31%; }
.visual-performance i:nth-child(2) { left: 40%; height: 47%; }
.visual-performance i:nth-child(3) { left: 58%; height: 62%; }
.visual-performance i:nth-child(4) { left: 76%; height: 74%; background: var(--accent-bright); }
.visual-performance b { position: absolute; right: 14%; bottom: 35px; left: 14%; height: 1px; background: rgba(255,255,255,.2); }

.research-line-card h3 {
    margin-bottom: 16px;
    font-size: clamp(28px, 2.3vw, 38px);
    font-weight: 300;
    letter-spacing: -.035em;
}

.research-line-card > p {
    min-height: 90px;
    color: rgba(255, 255, 255, .58);
    font-size: 14px;
    line-height: 1.6;
}

.research-line-card ul {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 24px;
    list-style: none;
}

.research-line-card li {
    padding: 6px 8px;
    border: 1px solid rgba(255, 255, 255, .16);
    color: rgba(255, 255, 255, .56);
    font-family: "D-DINE", sans-serif;
    font-size: 8px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--ink);
}

.method-step {
    min-height: 310px;
    padding: 26px clamp(22px, 2.6vw, 42px) 32px 0;
    border-right: 1px solid var(--line);
}

.method-step:not(:first-child) { padding-left: clamp(22px, 2.6vw, 42px); }
.method-step:last-child { border-right: 0; }

.method-step > span {
    color: var(--accent);
    font-family: "D-DINE", sans-serif;
    font-size: 10px;
}

.method-step h3 {
    margin: 58px 0 20px;
    font-size: clamp(28px, 3vw, 43px);
    font-weight: 300;
    letter-spacing: -.04em;
}

.method-step p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.65;
}

.research-evidence {
    position: relative;
    display: grid;
    grid-template-columns: .4fr 1.2fr .7fr;
    gap: clamp(40px, 7vw, 118px);
    min-height: 82vh;
    padding: clamp(90px, 10vw, 160px) clamp(28px, 7vw, 112px);
    overflow: hidden;
    background:
        radial-gradient(circle at 72% 42%, rgba(var(--accent-rgb), .16), transparent 27%),
        #171717;
    color: var(--white);
}

.research-evidence::after {
    content: 'R';
    position: absolute;
    right: -2vw;
    bottom: -18vw;
    color: rgba(255, 255, 255, .018);
    font-size: 60vw;
    font-weight: 600;
    line-height: 1;
}

.evidence-index {
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, .38);
    font-family: "D-DINE", sans-serif;
    font-size: 9px;
    letter-spacing: .16em;
}

.evidence-statement {
    position: relative;
    z-index: 1;
}

.evidence-statement h2 {
    max-width: 760px;
    font-size: clamp(52px, 6.7vw, 100px);
    font-weight: 300;
    letter-spacing: -.055em;
    line-height: .92;
    text-wrap: balance;
}

.evidence-statement p {
    max-width: 620px;
    margin-top: 42px;
    color: rgba(255, 255, 255, .6);
    font-size: 17px;
    line-height: 1.7;
}

.evidence-rules {
    position: relative;
    z-index: 1;
    align-self: end;
}

.evidence-rules p {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 12px;
    padding: 17px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
    color: rgba(255, 255, 255, .66);
    font-size: 13px;
    line-height: 1.5;
}

.evidence-rules span {
    color: var(--accent-bright);
    font-family: "D-DINE", sans-serif;
    font-size: 9px;
}

.research-collaboration {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
    align-items: center;
    gap: clamp(60px, 10vw, 170px);
    padding: clamp(96px, 11vw, 170px) clamp(28px, 7vw, 112px);
    background: var(--paper);
}

.collaboration-copy h2 {
    margin: 24px 0 32px;
}

.collaboration-copy > p:not(.research-eyebrow) {
    max-width: 690px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.68;
}

.research-primary-link-dark {
    border-color: rgba(32, 33, 36, .4);
    color: var(--ink);
}

.collaboration-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: center;
    width: fit-content;
    gap: .025em;
    color: var(--ink);
    font-family: "D-DINE", sans-serif;
    font-size: clamp(70px, 10vw, 160px);
    letter-spacing: -.08em;
}

.collaboration-mark span:nth-child(2) {
    color: var(--accent);
    font-size: .38em;
    margin: 0 .02em 0 .08em;
}

.research-footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 36px;
    padding: 28px clamp(22px, 4.8vw, 72px);
    background: #090909;
    color: rgba(255, 255, 255, .48);
    font-size: 10px;
}

.research-footer-logo {
    display: inline-flex;
    flex-direction: column;
    width: fit-content;
    color: var(--white);
    font-family: "Google Sans Display Medium", sans-serif;
    font-size: 15px;
    letter-spacing: .13em;
    line-height: 1;
    text-decoration: none;
}

.research-footer-logo small {
    margin-top: 4px;
    color: rgba(255,255,255,.36);
    font-size: 7px;
    text-align: right;
}

.research-footer-links {
    display: flex;
    gap: 28px;
}

.research-footer-links a {
    color: rgba(255, 255, 255, .62);
    letter-spacing: .1em;
    text-decoration: none;
    text-transform: uppercase;
}

.research-footer-links a:hover { color: var(--white); }
.research-footer > p { justify-self: end; }

.reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity .75s ease, transform .85s var(--ease);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1100px) {
    .research-hero {
        grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
        gap: 40px;
    }

    .research-lines-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .research-line-card { min-height: 520px; }
    .research-lines-header { grid-template-columns: .45fr 1.3fr; }
    .research-lines-header > p:last-child { grid-column: 2; }
    .commitment-layout { grid-template-columns: 1fr 1fr; gap: 58px; }
}

@media (max-width: 900px) {
    .research-menu-toggle { display: block; color: inherit; }

    .research-nav-links {
        position: fixed;
        inset: 0;
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        background: var(--white);
        color: var(--ink);
    }

    .research-nav-links.active { display: flex; }
    .research-nav-links a { font-size: 18px; }
    .research-nav.menu-open { color: var(--ink); }
    .research-nav.menu-open .research-logo { color: var(--accent); }
    .research-nav.menu-open .research-logo small { color: #9aa0a6; }

    .research-hero {
        grid-template-columns: 1fr;
        padding-top: 150px;
    }

    .material-lab {
        justify-self: center;
        width: min(100%, 650px);
    }

    .section-heading,
    .research-lines-header {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .research-lines-header > p:last-child { grid-column: auto; max-width: 500px; }
    .commitment-layout { grid-template-columns: 1fr; }
    .commitment-copy { max-width: 720px; }
    .research-cycle { grid-template-columns: repeat(5, 1fr); gap: 8px; }
    .research-cycle i { display: none; }
    .method-grid { grid-template-columns: repeat(2, 1fr); }
    .method-step:nth-child(2) { border-right: 0; }
    .method-step:nth-child(3), .method-step:nth-child(4) { border-top: 1px solid var(--line); }
    .research-evidence { grid-template-columns: 1fr 1.5fr; }
    .evidence-rules { grid-column: 2; }
    .research-collaboration { grid-template-columns: 1fr; }
    .collaboration-mark { width: min(100%, 480px); }
}

@media (max-width: 640px) {
    .research-nav { padding: 17px 0; }
    .research-nav-inner { padding: 0 16px; }
    .research-logo span { font-size: 17px; }

    .research-hero {
        gap: 56px;
        min-height: auto;
        padding: 130px 18px 70px;
    }

    .research-hero h1 { font-size: clamp(48px, 15vw, 66px); }
    .research-hero-lead { font-size: 16px; }

    .material-lab { width: 100%; }
    .lab-readout-top { top: 18px; right: 18px; left: 18px; }
    .lab-readout-bottom { right: 18px; bottom: 18px; left: 18px; }
    .lab-coordinate { display: none; }

    .research-commitment,
    .research-method,
    .research-lines,
    .research-collaboration,
    .research-evidence {
        padding: 82px 18px;
    }

    .section-heading,
    .research-lines-header { margin-bottom: 52px; }

    .section-heading h2,
    .research-lines-header h2,
    .collaboration-copy h2,
    .evidence-statement h2 { font-size: 48px; }

    .commitment-layout { gap: 42px; }
    .commitment-copy { font-size: 17px; }

    .research-cycle {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 0;
    }

    .cycle-node {
        display: grid;
        grid-template-columns: 42px 1fr;
        gap: 12px;
        padding: 16px 0;
        border-bottom: 1px solid var(--line);
    }

    .research-lines-grid { grid-template-columns: 1fr; }
    .research-line-card { min-height: auto; }
    .research-line-card > p { min-height: 0; }

    .method-grid { grid-template-columns: 1fr; }
    .method-step,
    .method-step:not(:first-child) {
        min-height: 0;
        padding: 24px 0 38px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .method-step:nth-child(3), .method-step:nth-child(4) { border-top: 0; }
    .method-step h3 { margin-top: 34px; }

    .research-evidence {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .evidence-rules { grid-column: auto; }
    .evidence-statement p { font-size: 15px; }
    .collaboration-copy > p:not(.research-eyebrow) { font-size: 16px; }
    .collaboration-mark { font-size: 92px; }

    .research-footer {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 22px;
        text-align: center;
    }

    .research-footer-logo { justify-self: center; }
    .research-footer-links { flex-wrap: wrap; justify-content: center; gap: 14px 22px; }
    .research-footer > p { justify-self: center; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
    .material-lab { transform: none; }
}