:root {
    --max-width: 1180px;
    --gutter: 64px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img, video {
    display: block;
    max-width: 100%;
}

.container {
    width: min(calc(100% - var(--gutter)), var(--max-width));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    padding: 10px 14px;
    color: #fff;
    background: #08172a;
    transform: translateY(-160%);
}

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

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 100;
}

.nav-wrap {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
}

.brand {
    font-size: 27px;
    font-weight: 700;
    letter-spacing: -1.5px;
    line-height: 1;
}

.brand span {
    color: #41a7ff;
}

nav {
    display: flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

nav a {
    padding: 8px 0;
}

.concept-picker {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 300;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 999px;
    color: #fff;
    background: rgba(5, 14, 27, 0.82);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
    font-size: 11px;
    backdrop-filter: blur(18px);
}

.concept-picker > span {
    padding: 0 9px 0 10px;
    color: rgba(255, 255, 255, 0.62);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.concept-picker a {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    border-radius: 999px;
    font-weight: 700;
}

.concept-picker a[aria-current="page"] {
    color: #071525;
    background: #fff;
}

.concept-picker small {
    font-size: 10px;
    font-weight: 600;
}

.concept-hero {
    position: relative;
    min-height: 690px;
    overflow: hidden;
    color: #fff;
    background: #061322;
}

.hero-video,
.hero-veil {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-video {
    object-fit: cover;
}

.hero-veil {
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    min-height: inherit;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.concept-hero h1 {
    margin: 0;
    text-wrap: balance;
}

.video-label {
    position: absolute;
    right: 0;
    bottom: 28px;
    display: grid;
    gap: 1px;
    padding: 7px 10px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(4, 15, 28, 0.62);
    font-size: 10px;
    letter-spacing: 0.055em;
    line-height: 1.35;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

.video-label small {
    color: rgba(255, 255, 255, 0.58);
    font-size: 8px;
}

.contact {
    position: relative;
    z-index: 3;
    overflow: hidden;
}

.contact-grid {
    position: relative;
    min-height: 180px;
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(220px, 0.75fr);
    gap: 50px;
    align-items: center;
}

.contact-actions {
    display: flex;
    align-items: center;
    gap: 30px;
}

.contact-message {
    max-width: 550px;
    margin: 0;
    font-size: 25px;
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.25;
}

.contact-art {
    align-self: end;
    justify-self: center;
    width: 230px;
    height: 170px;
}

.contact-art img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
}

.btn {
    display: inline-flex;
    min-height: 48px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    padding: 11px 22px;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    transition: transform 180ms ease, color 180ms ease, background 180ms ease;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-2px);
}

.acceleration,
.flocks,
.advantage {
    padding: 112px 0;
}

.acceleration-heading {
    max-width: 940px;
    margin-bottom: 62px;
}

.acceleration-heading h2,
.flocks h2,
.section-heading h2 {
    margin: 0;
    font-size: clamp(48px, 5vw, 68px);
    font-weight: 500;
    letter-spacing: -0.055em;
    line-height: 1;
    text-wrap: balance;
}

.acceleration-heading p {
    max-width: 760px;
    margin: 22px 0 0;
    font-size: 18px;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 44px;
}

.timeline-grid article {
    min-width: 0;
}

.milestone-art {
    display: grid;
    height: 206px;
    place-items: center;
    margin-bottom: 28px;
    overflow: hidden;
}

.timeline-grid h3,
.advantage-item h3 {
    margin: 0;
    font-size: 25px;
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.timeline-grid p,
.advantage-item p {
    margin: 16px 0 0;
    font-size: 15px;
    line-height: 1.7;
}

.milestone-egg {
    width: 112px;
    height: 144px;
    border: 2px solid #6389ae;
    border-radius: 50% 50% 48% 48% / 58% 58% 42% 42%;
    background:
        radial-gradient(circle at 35% 27%, rgba(255, 255, 255, 0.98) 0 7%, transparent 23%),
        radial-gradient(circle at 55% 45%, #fffdf8 0 58%, #f0e6d5 82%, #dfcfb6 100%);
    box-shadow: 0 16px 30px rgba(10, 47, 80, 0.14), inset -8px -12px 20px rgba(45, 73, 103, 0.08);
}

.milestone-rooster {
    width: 168px;
    height: 168px;
    object-fit: contain;
    filter: drop-shadow(0 10px 10px rgba(15, 34, 52, 0.1));
}

.flock-visual {
    position: relative;
    width: 286px;
    height: 168px;
}

.flock-visual img {
    position: absolute;
    object-fit: contain;
}

.flock-rooster {
    bottom: 0;
    left: 0;
    z-index: 4;
    width: 144px;
    height: 144px;
}

.flock-hen {
    width: 78px;
    height: 78px;
}

.flock-hen-one { top: 16px; left: 112px; }
.flock-hen-two { top: 5px; left: 172px; transform: scaleX(-1); }
.flock-hen-three { right: 0; bottom: 10px; }
.flock-hen-four { bottom: 0; left: 126px; transform: scaleX(-1); }

.flocks h2 {
    margin-bottom: 62px;
}

.flock-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flock-gallery figure {
    min-width: 0;
    margin: 0;
}

.flock-stage {
    display: grid;
    aspect-ratio: 1 / 1;
    place-items: center;
    overflow: hidden;
}

.flock-stage img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.flock-gallery figcaption {
    display: grid;
    gap: 4px;
    margin-top: 20px;
}

.flock-gallery figcaption strong {
    font-size: 23px;
    font-weight: 600;
    letter-spacing: -0.035em;
}

.flock-gallery figcaption span {
    font-size: 14px;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    gap: 90px;
    align-items: end;
    margin-bottom: 62px;
}

.section-heading > p {
    margin: 0 0 4px;
    font-size: 16px;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 42px;
}

.advantage-item {
    min-width: 0;
}

.advantage-art {
    display: grid;
    height: 220px;
    place-items: center;
    margin-bottom: 28px;
    overflow: hidden;
}

.advantage-art img {
    width: 100%;
    height: 100%;
    padding: 24px;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.mission-note {
    padding: 78px 0;
}

.mission-note p {
    max-width: 1100px;
    margin: 0;
    font-size: clamp(25px, 2.5vw, 34px);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1.32;
}

footer {
    padding: 42px 0 28px;
}

.footer-main,
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.footer-main > a:last-child {
    font-size: 14px;
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid currentColor;
    font-size: 10px;
    letter-spacing: 0.045em;
    text-transform: uppercase;
    opacity: 0.58;
}

/* Concept 1: cinematic heritage */
.concept-one {
    color: #0a1a2c;
    background: #fff;
    font-family: "IBM Plex Sans", sans-serif;
}

.concept-one .site-header {
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(4, 17, 32, 0.2);
    backdrop-filter: blur(12px);
}

.concept-one .concept-hero {
    min-height: clamp(620px, 76vh, 790px);
}

.concept-one .hero-veil {
    background:
        linear-gradient(180deg, rgba(3, 14, 28, 0.2), rgba(3, 14, 28, 0.36)),
        linear-gradient(90deg, rgba(4, 15, 28, 0.38), rgba(4, 15, 28, 0.08) 58%, rgba(4, 15, 28, 0.26));
}

.concept-one .hero-content {
    align-items: center;
    text-align: center;
}

.concept-one .concept-hero h1 {
    max-width: 940px;
    font-family: "Merriweather", serif;
    font-size: clamp(54px, 6vw, 78px);
    font-weight: 400;
    letter-spacing: -0.045em;
    line-height: 1.12;
    text-shadow: 0 6px 32px rgba(0, 0, 0, 0.32);
}

.concept-one .contact {
    border-bottom: 1px solid #d9e8f5;
    color: #0a1a2c;
    background: #f0f8ff;
}

.concept-one .btn {
    color: #fff;
    background: #0a64bd;
}

.concept-one .btn:hover,
.concept-one .btn:focus-visible {
    color: #0a64bd;
    background: #fff;
}

.concept-one .acceleration-heading h2,
.concept-one .flocks h2,
.concept-one .section-heading h2 {
    font-family: "Merriweather", serif;
    font-weight: 400;
}

.concept-one .acceleration-heading strong,
.concept-one .timeline-grid h3,
.concept-one .mission-note strong {
    color: #0a64bd;
}

.concept-one .timeline-grid {
    position: relative;
    padding-top: 34px;
}

.concept-one .timeline-grid::before {
    position: absolute;
    top: 7px;
    right: 0;
    left: 0;
    height: 1px;
    background: #b9d9f4;
    content: "";
}

.concept-one .timeline-grid article {
    position: relative;
}

.concept-one .timeline-grid article::before {
    position: absolute;
    top: -32px;
    left: 0;
    width: 13px;
    height: 13px;
    border: 3px solid #fff;
    border-radius: 50%;
    background: #1683e8;
    box-shadow: 0 0 0 1px #1683e8;
    content: "";
}

.concept-one .milestone-art {
    border-top: 1px solid #d7e5f2;
    border-bottom: 1px solid #d7e5f2;
    background: #eaf4fd;
}

.concept-one .timeline-grid p,
.concept-one .advantage-item p,
.concept-one .acceleration-heading p,
.concept-one .section-heading > p,
.concept-one .flock-gallery figcaption span {
    color: #536170;
}

.concept-one .flocks {
    background: #f2f8fd;
}

.concept-one .flock-gallery {
    gap: 34px;
}

.concept-one .flock-stage {
    padding: 22px;
    border: 1px solid #d8e5f0;
    background: #fff;
}

.concept-one .advantage {
    border-top: 1px solid #d9e4ee;
}

.concept-one .advantage-item {
    padding-top: 24px;
    border-top: 1px solid #cfdbe6;
}

.concept-one .advantage-art {
    background: #f4f8fb;
}

.concept-one .advantage-art img {
    filter: brightness(0) saturate(100%) invert(28%) sepia(82%) saturate(1591%) hue-rotate(181deg) brightness(88%) contrast(95%);
}

.concept-one .mission-note {
    color: #0a1a2c;
    background: #dcefff;
}

.concept-one footer {
    border-top: 1px solid #d7e2ec;
}

/* Selected homepage: Concept 1 with Concept 2 navigation */
.concept-final .site-header {
    top: 26px;
    border: 0;
    background: transparent;
    backdrop-filter: none;
    pointer-events: none;
}

.concept-final .nav-wrap {
    min-height: 50px;
    padding: 8px 24px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 999px;
    background: rgba(9, 35, 70, 0.2);
    backdrop-filter: blur(16px);
    pointer-events: auto;
}

.concept-final .research-heading {
    grid-template-columns: minmax(0, 1.08fr) minmax(470px, 0.92fr);
    gap: clamp(42px, 5.5vw, 76px);
    align-items: stretch;
}

.concept-final .model-intro {
    display: grid;
    min-height: 330px;
    grid-template-columns: minmax(170px, 0.72fr) minmax(260px, 1.28fr);
    gap: 22px;
    align-items: center;
    padding-left: clamp(28px, 4vw, 52px);
    border-left: 1px solid #cfdbe6;
}

.concept-final .model-intro > p {
    max-width: 230px;
    margin: 0;
    color: #536170;
    font-size: 17px;
    line-height: 1.65;
    text-align: center;
}

.concept-final .model-chicken {
    display: grid;
    height: 310px;
    place-items: center;
}

.concept-final .model-chicken img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.concept-final .advantage-art {
    display: grid;
    height: 240px;
    place-items: center;
    overflow: hidden;
    padding: 0;
}

.concept-final .advantage-art img {
    width: 158px;
    height: 158px;
    max-width: 158px;
    max-height: 158px;
    padding: 0;
    object-fit: contain;
    object-position: center;
}

/* Concept 2: cobalt precision */
.concept-two {
    color: #fff;
    background: #262524;
    font-family: "Inter", sans-serif;
}

.concept-two .site-header {
    top: 26px;
    pointer-events: none;
}

.concept-two .nav-wrap {
    min-height: 50px;
    padding: 8px 24px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 999px;
    background: rgba(9, 35, 70, 0.18);
    backdrop-filter: blur(16px);
    pointer-events: auto;
}

.concept-two .brand {
    font-family: "Space Grotesk", sans-serif;
    font-size: 23px;
}

.concept-two .concept-hero {
    min-height: 100svh;
    background: #115cdd;
}

.concept-two .hero-video {
    filter: saturate(1.2) contrast(1.05);
}

.concept-two .hero-veil {
    background:
        linear-gradient(90deg, rgba(17, 92, 221, 0.82) 0%, rgba(17, 92, 221, 0.38) 58%, rgba(17, 92, 221, 0.58) 100%),
        linear-gradient(180deg, rgba(5, 26, 55, 0.05), rgba(5, 26, 55, 0.45));
    mix-blend-mode: multiply;
}

.concept-two .hero-content {
    justify-content: flex-end;
    padding-bottom: 90px;
}

.concept-two .concept-hero h1 {
    max-width: 840px;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(58px, 6.5vw, 88px);
    font-weight: 500;
    letter-spacing: -0.06em;
    line-height: 0.98;
}

.concept-two .video-label {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    background: rgba(5, 20, 43, 0.28);
}

.concept-two .contact {
    color: #fff;
    background: #262524;
}

.concept-two .contact-grid {
    min-height: 210px;
}

.concept-two .btn {
    color: #262524;
    border-color: #fff;
    background: #fff;
}

.concept-two .btn:hover,
.concept-two .btn:focus-visible {
    color: #fff;
    background: transparent;
}

.concept-two .contact-art {
    filter: saturate(0.9) brightness(1.1);
}

.concept-two .acceleration {
    background: #262524;
}

.concept-two .acceleration-heading h2,
.concept-two .flocks h2,
.concept-two .section-heading h2 {
    font-family: "Space Grotesk", sans-serif;
}

.concept-two .acceleration-heading p,
.concept-two .timeline-grid p {
    color: rgba(255, 255, 255, 0.64);
}

.concept-two .acceleration-heading strong {
    color: #73b6ff;
}

.concept-two .timeline-grid article {
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.concept-two .milestone-art {
    background: #115cdd;
}

.concept-two .timeline-grid h3 {
    color: #fff;
}

.concept-two .flocks {
    color: #0b0b0b;
    background: #fff;
}

.concept-two .flock-gallery {
    gap: 0;
    border-top: 1px solid #d6d6d2;
    border-bottom: 1px solid #d6d6d2;
}

.concept-two .flock-gallery figure {
    padding: 0 24px 28px;
    border-right: 1px solid #d6d6d2;
}

.concept-two .flock-gallery figure:first-child {
    padding-left: 0;
}

.concept-two .flock-gallery figure:last-child {
    padding-right: 0;
    border-right: 0;
}

.concept-two .flock-stage {
    background: #fff;
}

.concept-two .flock-gallery figcaption span {
    color: #66645f;
}

.concept-two .advantage {
    color: #171716;
    background: #efe9df;
}

.concept-two .section-heading > p,
.concept-two .advantage-item p {
    color: #5e5a53;
}

.concept-two .advantage-art {
    border: 1px solid #d8d0c3;
    background: rgba(255, 255, 255, 0.4);
}

.concept-two .advantage-art img {
    filter: grayscale(1) contrast(0.85);
}

.concept-two .mission-note {
    color: #07111b;
    background: #5b94b5;
}

.concept-two .mission-note strong {
    font-family: "Space Grotesk", sans-serif;
}

.concept-two footer {
    color: #fff;
    background: #171716;
}

/* Concept 3: luminous editorial */
.concept-three {
    color: #09223a;
    background: #f5f3ed;
    font-family: "Inter", sans-serif;
}

.concept-three .site-header {
    color: #fff;
    background: linear-gradient(180deg, rgba(3, 14, 28, 0.68), transparent);
}

.concept-three .nav-wrap {
    min-height: 96px;
}

.concept-three .concept-hero {
    min-height: clamp(680px, 84vh, 860px);
}

.concept-three .hero-veil {
    background:
        linear-gradient(180deg, rgba(2, 12, 24, 0.12) 28%, rgba(2, 12, 24, 0.88) 100%),
        radial-gradient(circle at 75% 30%, rgba(0, 149, 255, 0.08), transparent 35%);
}

.concept-three .hero-content {
    justify-content: flex-end;
    padding-bottom: 74px;
}

.concept-three .concept-hero h1 {
    max-width: 1000px;
    padding-left: 28px;
    border-left: 3px solid #2ca8ff;
    font-family: "Newsreader", serif;
    font-size: clamp(64px, 7.6vw, 102px);
    font-weight: 400;
    letter-spacing: -0.055em;
    line-height: 0.93;
}

.concept-three .video-label {
    bottom: 34px;
    background: transparent;
    text-align: right;
}

.concept-three .contact {
    margin-top: -34px;
    color: #fff;
    background: transparent;
}

.concept-three .contact-grid {
    min-height: 190px;
    padding: 0 50px;
    border-radius: 4px;
    background: #086fc7;
    box-shadow: 0 30px 80px rgba(5, 62, 111, 0.2);
}

.concept-three .btn {
    color: #086fc7;
    border-color: #fff;
    background: #fff;
}

.concept-three .btn:hover,
.concept-three .btn:focus-visible {
    color: #fff;
    background: transparent;
}

.concept-three .acceleration {
    padding-top: 132px;
    background: #f5f3ed;
}

.concept-three .acceleration-layout {
    display: grid;
    grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.5fr);
    gap: 90px;
    align-items: start;
}

.concept-three .acceleration-heading {
    position: sticky;
    top: 40px;
    margin: 0;
}

.concept-three .acceleration-heading h2,
.concept-three .flocks h2,
.concept-three .section-heading h2 {
    font-family: "Newsreader", serif;
    font-weight: 400;
}

.concept-three .acceleration-heading p,
.concept-three .timeline-grid p,
.concept-three .section-heading > p,
.concept-three .advantage-item p {
    color: #5b6670;
}

.concept-three .acceleration-heading strong {
    color: #086fc7;
}

.concept-three .timeline-grid {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid #bfc9d0;
}

.concept-three .timeline-grid article {
    display: grid;
    grid-template-columns: 190px 130px minmax(0, 1fr);
    gap: 28px;
    align-items: center;
    padding: 28px 0;
    border-bottom: 1px solid #bfc9d0;
}

.concept-three .milestone-art {
    height: 150px;
    margin: 0;
    background: #e5eef5;
}

.concept-three .milestone-egg {
    width: 84px;
    height: 108px;
}

.concept-three .milestone-rooster {
    width: 128px;
    height: 128px;
}

.concept-three .flock-visual {
    transform: scale(0.75);
}

.concept-three .timeline-grid p {
    margin: 0;
}

.concept-three .flocks {
    color: #fff;
    background: #061a2f;
}

.concept-three .flock-gallery {
    gap: 22px;
}

.concept-three .flock-stage {
    padding: 18px;
    border-radius: 22px;
    background: #fff;
}

.concept-three .flock-gallery figcaption span {
    color: #8fb0cc;
}

.concept-three .advantage {
    background: #fff;
}

.concept-three .advantage-item {
    padding-top: 24px;
    border-top: 2px solid #09223a;
}

.concept-three .advantage-art {
    background: #eaf3fa;
}

.concept-three .advantage-art img {
    filter: brightness(0) saturate(100%) invert(28%) sepia(72%) saturate(1508%) hue-rotate(178deg) brightness(91%) contrast(96%);
}

.concept-three .mission-note {
    color: #fff;
    background: #086fc7;
}

.concept-three .mission-note p {
    font-family: "Newsreader", serif;
    font-weight: 400;
}

.concept-three footer {
    color: #dce9f4;
    background: #061a2f;
}

@media (max-width: 900px) {
    :root {
        --gutter: 38px;
    }

    .concept-picker {
        right: 12px;
        bottom: 12px;
    }

    .concept-picker > span,
    .concept-picker small {
        display: none;
    }

    .contact-grid {
        grid-template-columns: minmax(0, 1fr) 190px;
    }

    .timeline-grid,
    .flock-gallery,
    .model-grid {
        grid-template-columns: 1fr;
    }

    .timeline-grid,
    .model-grid {
        gap: 52px;
    }

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

    .concept-final .research-heading {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .concept-final .model-intro {
        min-height: 290px;
        grid-template-columns: minmax(180px, 0.72fr) minmax(250px, 1.28fr);
        padding-left: 34px;
    }

    .concept-one .timeline-grid {
        padding-top: 0;
    }

    .concept-one .timeline-grid::before,
    .concept-one .timeline-grid article::before {
        display: none;
    }

    .concept-two .flock-gallery {
        gap: 42px;
        border: 0;
    }

    .concept-two .flock-gallery figure,
    .concept-two .flock-gallery figure:first-child,
    .concept-two .flock-gallery figure:last-child {
        padding: 0 0 30px;
        border-right: 0;
        border-bottom: 1px solid #d6d6d2;
    }

    .concept-three .acceleration-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .concept-three .acceleration-heading {
        position: static;
    }
}

@media (max-width: 680px) {
    :root {
        --gutter: 30px;
    }

    .nav-wrap {
        min-height: 70px;
    }

    .concept-two .site-header {
        top: 14px;
    }

    .concept-final .site-header {
        top: 14px;
    }

    .concept-final .nav-wrap {
        min-height: 46px;
        padding-inline: 18px;
    }

    .concept-two .nav-wrap {
        min-height: 46px;
        padding-inline: 18px;
    }

    .brand {
        font-size: 23px;
    }

    .concept-hero,
    .concept-one .concept-hero,
    .concept-three .concept-hero {
        min-height: 620px;
    }

    .concept-one .concept-hero h1 {
        font-size: clamp(44px, 13vw, 60px);
    }

    .concept-two .concept-hero h1 {
        font-size: clamp(50px, 14vw, 66px);
    }

    .concept-three .concept-hero h1 {
        padding-left: 18px;
        font-size: clamp(54px, 15vw, 72px);
    }

    .video-label {
        right: 0;
        bottom: 18px;
    }

    .contact-grid {
        min-height: 0;
        grid-template-columns: 1fr;
        padding-top: 36px;
        padding-bottom: 36px;
    }

    .concept-final .research-heading {
        grid-template-columns: 1fr;
    }

    .concept-final .model-intro {
        min-height: 0;
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 30px 0 0;
        border-top: 1px solid #cfdbe6;
        border-left: 0;
    }

    .concept-final .model-intro > p {
        max-width: 360px;
        text-align: left;
    }

    .concept-final .model-chicken {
        height: 280px;
    }

    .concept-final .advantage-art {
        height: 210px;
        padding: 0;
    }

    .concept-final .advantage-art img {
        width: 145px;
        height: 145px;
        max-width: 145px;
        max-height: 145px;
    }

    .contact-actions {
        max-width: calc(100% - 80px);
        align-items: flex-start;
        flex-direction: column;
        gap: 22px;
    }

    .contact-message {
        font-size: 22px;
    }

    .contact-art {
        position: absolute;
        right: -18px;
        bottom: 0;
        width: 128px;
        height: 128px;
    }

    .concept-three .contact {
        margin-top: -20px;
    }

    .concept-three .contact-grid {
        width: calc(100% - 24px);
        padding-inline: 28px;
    }

    .acceleration,
    .flocks,
    .advantage {
        padding: 76px 0;
    }

    .acceleration-heading h2,
    .flocks h2,
    .section-heading h2 {
        font-size: clamp(42px, 12vw, 56px);
    }

    .milestone-art {
        height: 190px;
    }

    .flock-stage {
        max-height: 380px;
    }

    .concept-three .timeline-grid article {
        grid-template-columns: 120px minmax(0, 1fr);
        gap: 20px;
    }

    .concept-three .timeline-grid article p {
        grid-column: 1 / -1;
    }

    .concept-three .milestone-art {
        height: 120px;
    }

    .concept-three .flock-visual {
        transform: scale(0.55);
    }

    .mission-note {
        padding: 58px 0;
    }

    .mission-note p {
        font-size: 25px;
    }

    .footer-main,
    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-main {
        gap: 18px;
    }

    .footer-bottom {
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}