@charset "UTF-8";

:root {
    color-scheme: light;
    --partner-logo-height: 56px;
    --page: #f2f5ef;
    --page-deep: #e7eee6;
    --text: #111a14;
    --muted: #56645b;
    --muted-soft: #77847b;
    --accent: #b8ed45;
    --accent-strong: #527817;
    --accent-ink: #253a0b;
    --surface: rgba(255, 255, 255, .72);
    --surface-strong: rgba(255, 255, 255, .88);
    --line: rgba(28, 45, 32, .12);
    --line-strong: rgba(28, 45, 32, .19);
    --shadow: 0 25px 80px rgba(43, 60, 43, .09), 0 2px 8px rgba(43, 60, 43, .04);
    --shadow-hover: 0 30px 90px rgba(43, 60, 43, .14), 0 8px 24px rgba(43, 60, 43, .07);
    --roadmap-line-start: #a7cc5d;
    --roadmap-line-end: #9bcf43;
    --focus: #6a9d15;
    --notice-icon-fill: #edf7d5;
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --ease: cubic-bezier(.2, .75, .25, 1);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --page: #090d0b;
    --page-deep: #0e1510;
    --text: #f2f5ed;
    --muted: #a2ada3;
    --muted-soft: #77857a;
    --accent: #c8ff50;
    --accent-strong: #d7ff78;
    --accent-ink: #15200a;
    --surface: rgba(255, 255, 255, .055);
    --surface-strong: rgba(255, 255, 255, .085);
    --line: rgba(236, 246, 234, .11);
    --line-strong: rgba(236, 246, 234, .19);
    --shadow: 0 25px 80px rgba(0, 0, 0, .28), 0 2px 8px rgba(0, 0, 0, .16);
    --shadow-hover: 0 32px 90px rgba(0, 0, 0, .42), 0 8px 24px rgba(0, 0, 0, .25);
    --roadmap-line-start: #8ebc37;
    --roadmap-line-end: #a8da3d;
    --focus: #d8ff78;
    --notice-icon-fill: #253b19;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 24px;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(ellipse at 50% -12%, rgba(176, 235, 68, .12), transparent 34rem),
        radial-gradient(ellipse at 95% 38%, rgba(76, 133, 77, .065), transparent 32rem),
        var(--page);
    font-size: 16px;
    line-height: 1.6;
    transition: color .25s ease, background .25s ease;
}

body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    background-image: radial-gradient(rgba(110, 146, 87, .15) .55px, transparent .55px);
    background-size: 22px 22px;
    content: "";
    opacity: .18;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, black, transparent 72%);
}

button,
a {
    font: inherit;
}

a {
    color: inherit;
}

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

button:disabled {
    cursor: not-allowed;
}

img,
svg {
    display: block;
}

.page-shell,
.section-shell {
    width: min(100% - 48px, 1240px);
    margin-inline: auto;
}

.section-shell {
    width: min(100% - 48px, 1160px);
}

.skip-link {
    position: absolute;
    z-index: 20;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    transform: translateY(-160%);
    border-radius: 10px;
    color: var(--accent-ink);
    background: var(--accent);
    font-weight: 700;
}

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

.site-header {
    position: relative;
    z-index: 5;
    padding: 13px 0 0;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand-strip {
    display: grid;
    grid-template-columns: .58fr 1.2fr .62fr 1.15fr;
    align-items: center;
    gap: 15px;
    width: min(100%, 610px);
    text-decoration: none;
}

.brand-strip__item,
.footer-logos__item {
    display: grid;
    min-width: 0;
    height: var(--partner-logo-height);
    padding: 0;
    place-items: center;
    overflow: visible;
}

.brand-strip__item img {
    width: auto;
    max-width: 100%;
    height: var(--partner-logo-height);
    object-fit: contain;
}

.footer-logos__item img {
    width: auto;
    max-width: 100%;
    height: var(--partner-logo-height);
    object-fit: contain;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 9px;
    flex: 0 0 auto;
}

.registration-lock {
    position: relative;
    isolation: isolate;
    flex: 0 1 auto;
}

.registration-lock__controls {
    display: flex;
    align-items: center;
    gap: 9px;
}

.registration-notice {
    position: absolute;
    z-index: 1;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 10px;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--text);
    background: #f1f6e7;
    background: linear-gradient(115deg, rgba(220, 244, 174, .98), rgba(247, 250, 239, .98) 58%, rgba(255, 255, 255, .98));
    box-shadow: 0 8px 24px rgba(63, 91, 34, .16), inset 0 1px 0 rgba(255, 255, 255, .8);
    font-size: .69rem;
    font-weight: 780;
    line-height: 1.2;
    letter-spacing: -.015em;
    white-space: nowrap;
    pointer-events: auto;
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.registration-notice svg {
    width: 17px;
    height: 17px;
    flex: 0 0 auto;
    color: var(--accent-strong);
}

:root[data-theme="dark"] .registration-notice {
    color: var(--text);
    background: #1b2818;
    background: linear-gradient(115deg, #293e1d, #1e2c1a 58%, #131d15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .32), inset 0 1px 0 rgba(238, 255, 210, .16);
}

.registration-lock--header .registration-lock__controls {
    gap: 6px;
}

.registration-lock--header .registration-notice {
    padding-inline: 8px;
    font-size: .62rem;
    gap: 5px;
}

.registration-lock--header .registration-notice svg {
    width: 15px;
    height: 15px;
}

.button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid transparent;
    border-radius: 999px;
    text-decoration: none;
    font-size: .9rem;
    font-weight: 670;
    line-height: 1.2;
    transition: transform .22s var(--ease), background-color .22s ease, border-color .22s ease, box-shadow .22s ease, color .22s ease;
}

.button--small {
    min-height: 42px;
    padding: 0 17px;
    font-size: .84rem;
}

.button--large {
    min-height: 54px;
    padding: 0 23px;
    font-size: .94rem;
}

.button--primary {
    color: var(--accent-ink);
    background: var(--accent);
    box-shadow: 0 9px 28px rgba(149, 203, 48, .16), inset 0 1px 0 rgba(255, 255, 255, .4);
}

.button--primary svg,
.button--download svg {
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
}

.button--quiet {
    border-color: var(--line-strong);
    color: var(--text);
    background: var(--surface);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.button--outline {
    border-color: var(--line-strong);
    color: var(--text);
    background: var(--surface-strong);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3);
}

.button--disabled-primary:disabled {
    opacity: .76;
    box-shadow: none;
}

.button--quiet:disabled {
    opacity: .76;
}

.button--primary:disabled:hover,
.button--quiet:disabled:hover {
    transform: none;
}

.button--primary:not(:disabled):hover,
.button--quiet:not(:disabled):hover,
.button--outline:hover {
    transform: translateY(-2px);
}

.button--primary:not(:disabled):hover {
    background: var(--accent-strong);
    box-shadow: 0 13px 34px rgba(149, 203, 48, .24);
}

.button--quiet:not(:disabled):hover,
.button--outline:hover {
    border-color: var(--line-strong);
    background: var(--surface-strong);
}

.theme-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--text);
    background: var(--surface);
    cursor: pointer;
    transition: color .22s ease, border-color .22s ease, background-color .22s ease, transform .22s var(--ease);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.theme-toggle:hover {
    transform: rotate(-8deg);
    border-color: rgba(157, 204, 69, .5);
    color: var(--accent-ink);
    background: var(--accent);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle__moon {
    display: none;
}

:root[data-theme="dark"] .theme-toggle__sun {
    display: none;
}

:root[data-theme="dark"] .theme-toggle__moon {
    display: block;
}

.hero {
    padding-top: 32px;
}

.challenge-logo {
    display: grid;
    width: min(100%, 930px);
    min-height: clamp(70px, 10vw, 112px);
    margin: 0 auto 32px;
    padding: 4px 10px;
    place-items: center;
    overflow: visible;
}

.challenge-logo__art {
    display: grid;
    width: 100%;
    place-items: center;
}

.challenge-logo svg,
.challenge-logo img {
    width: 100%;
    height: auto;
    max-height: 120px;
    overflow: visible;
}

html[data-theme="light"] .challenge-logo .k path {
    fill: url(#gK) !important;
    stroke: #0b0b0f !important;
}

html[data-theme="light"] .challenge-logo .o path {
    fill: #2f5a4a !important;
    stroke: #2f5a4a !important;
}

html[data-theme="dark"] .challenge-logo .k path {
    fill: #f4f7ef !important;
    stroke: #f4f7ef !important;
}

html[data-theme="dark"] .challenge-logo .o path {
    fill: #9fd4bd !important;
    stroke: #9fd4bd !important;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(320px, .72fr);
    align-items: stretch;
    gap: 18px;
}

.glass-panel {
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px) saturate(1.15);
    -webkit-backdrop-filter: blur(22px) saturate(1.15);
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.hero-card,
.challenge-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.hero-card {
    display: flex;
    min-height: 340px;
    flex-direction: column;
    align-items: flex-start;
    padding: clamp(23px, 3.5vw, 40px);
    isolation: isolate;
}

.hero-card::before {
    position: absolute;
    z-index: -1;
    top: -140px;
    right: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(184, 237, 69, .19), rgba(184, 237, 69, 0) 68%);
    content: "";
    pointer-events: none;
}

.hero-card__eyebrow,
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: .71rem;
    font-weight: 760;
    letter-spacing: .14em;
    line-height: 1.4;
    text-transform: uppercase;
}

.status-dot,
.team-pill__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(184, 237, 69, .74);
}

.hero-card h1 {
    max-width: 760px;
    margin: 18px 0 12px;
    font-size: clamp(2.85rem, 5.5vw, 5.15rem);
    font-weight: 680;
    letter-spacing: -.071em;
    line-height: .99;
}

.hero-card h1 span,
.text-accent {
    color: var(--accent-strong);
}

:root:not([data-theme="dark"]) .hero-card h1 span,
:root:not([data-theme="dark"]) .text-accent {
    color: #5c8419;
}

.hero-card__description {
    max-width: 670px;
    margin: 0;
    color: var(--muted);
    font-size: clamp(.99rem, 1.2vw, 1.08rem);
    line-height: 1.75;
}

.text-accent {
    font-weight: 740;
}

.hero-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 19px;
}

.registration-lock--hero .registration-lock__controls {
    flex-wrap: wrap;
    gap: 10px;
}

.registration-lock--hero .registration-notice {
    font-size: .78rem;
    padding-inline: 16px;
}

.hero-card__footnote {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding-top: 17px;
    color: var(--muted-soft);
    font-size: .75rem;
    letter-spacing: .015em;
}

.hero-card__footnote-line {
    width: 22px;
    height: 1px;
    background: var(--accent);
}

.challenge-card {
    display: flex;
    min-height: 340px;
    flex-direction: column;
    align-items: flex-start;
    padding: 21px 23px 18px;
    background:
        linear-gradient(155deg, rgba(174, 218, 95, .1), transparent 48%),
        var(--surface);
}

.challenge-card__topline {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    margin-bottom: auto;
}

.challenge-card__index {
    color: var(--muted-soft);
    font-size: .66rem;
    font-weight: 760;
    letter-spacing: .14em;
}

.challenge-card__spark {
    width: 38px;
    height: 38px;
    color: var(--accent-strong);
}

.challenge-card .eyebrow {
    margin: 16px 0 8px;
    color: var(--accent-strong);
}

.challenge-card h2 {
    max-width: 360px;
    margin: 0;
    font-size: clamp(1.55rem, 2.4vw, 2.1rem);
    font-weight: 650;
    letter-spacing: -.045em;
    line-height: 1.12;
}

.challenge-card__description {
    margin: 11px 0 15px;
    color: var(--muted);
    font-size: .94rem;
    line-height: 1.7;
}

.button--download {
    width: 100%;
    min-height: 49px;
    padding: 0 14px;
    font-size: .84rem;
}

.button--download svg {
    color: var(--accent-strong);
}

.challenge-card__deadline {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 13px;
    padding-top: 11px;
    border-top: 1px solid var(--line);
}

.challenge-card__deadline span {
    color: var(--muted-soft);
    font-size: .62rem;
    font-weight: 760;
    letter-spacing: .11em;
}

.challenge-card__deadline strong {
    color: var(--text);
    font-size: .76rem;
    font-weight: 650;
    white-space: nowrap;
}

.team-section {
    padding-top: clamp(58px, 8vw, 96px);
}

.section-heading h2 {
    margin: 7px 0 0;
    font-size: clamp(2.5rem, 5vw, 4.1rem);
    font-weight: 660;
    letter-spacing: -.065em;
    line-height: 1.02;
}

.section-heading--split {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.team-pill {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    gap: 9px;
    margin-bottom: 7px;
    padding: 0 14px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--muted);
    background: var(--surface);
    font-size: .77rem;
    font-weight: 620;
    white-space: nowrap;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.team-pill i {
    color: var(--accent-strong);
    font-style: normal;
}

.team-section__intro {
    max-width: 740px;
    margin: 12px 0 19px;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.75;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.team-tile {
    position: relative;
    min-height: 190px;
    padding: 15px 16px 14px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    transition: transform .24s var(--ease), border-color .24s ease, box-shadow .24s ease, background-color .24s ease;
}

.team-tile::after {
    position: absolute;
    right: -50px;
    bottom: -73px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(180, 234, 68, .1), transparent 69%);
    content: "";
    pointer-events: none;
}

.team-tile:hover {
    transform: translateY(-5px);
    border-color: rgba(177, 222, 83, .35);
    box-shadow: var(--shadow-hover);
}

.team-tile__icon {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    color: var(--accent-strong);
}

.team-tile__icon svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
    stroke-width: 1.45;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.team-tile__number {
    position: absolute;
    top: 18px;
    right: 17px;
    color: var(--muted-soft);
    font-size: .68rem;
    font-weight: 720;
    letter-spacing: .12em;
}

.team-tile h3 {
    max-width: 240px;
    margin: 12px 0 5px;
    font-size: 1.02rem;
    font-weight: 650;
    letter-spacing: -.02em;
    line-height: 1.3;
}

.team-tile p {
    max-width: 250px;
    margin: 0;
    color: var(--muted);
    font-size: .84rem;
    line-height: 1.6;
}

.roadmap-section {
    padding-top: clamp(76px, 9vw, 112px);
    padding-bottom: 58px;
}

.section-heading--roadmap {
    text-align: center;
}

.section-heading--roadmap .eyebrow {
    justify-content: center;
}

.section-heading__support {
    margin: 9px 0 0;
    color: var(--muted);
    font-size: 1rem;
    letter-spacing: .01em;
}

.roadmap-track {
    position: relative;
    margin-top: 28px;
    isolation: isolate;
}

.roadmap-wave {
    position: absolute;
    z-index: -1;
    top: 180px;
    left: 0;
    width: 100%;
    height: 360px;
    overflow: visible;
}

.roadmap-wave path {
    vector-effect: non-scaling-stroke;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.roadmap-wave__glow {
    stroke: var(--accent);
    stroke-width: 11;
    opacity: .12;
    filter: blur(9px);
}

.roadmap-wave__line {
    stroke: url(#roadmap-gradient);
    stroke-width: 2.4;
    opacity: .9;
}

.roadmap-wave__nodes circle {
    fill: var(--page);
    stroke: var(--accent);
    stroke-width: 2.4;
    vector-effect: non-scaling-stroke;
}

.roadmap-wave__nodes circle:nth-child(odd) {
    filter: drop-shadow(0 0 6px rgba(180, 234, 68, .55));
}

.roadmap-list {
    position: relative;
    display: grid;
    min-height: 660px;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.milestone {
    position: relative;
    min-width: 0;
    min-height: 660px;
}

.milestone__card {
    position: absolute;
    right: 5px;
    left: 5px;
    min-height: 225px;
    padding: 13px 12px 12px;
    overflow: hidden;
    border-radius: 18px;
    transition: transform .22s var(--ease), border-color .22s ease, box-shadow .22s ease;
}

.milestone__card:hover {
    transform: translateY(-4px);
    border-color: rgba(177, 222, 83, .38);
    box-shadow: var(--shadow-hover);
}

.milestone--above .milestone__card {
    top: 0;
}

.milestone--below .milestone__card {
    bottom: 0;
}

.milestone__marker {
    position: absolute;
    z-index: 2;
    left: 50%;
    display: grid;
    width: 38px;
    height: 38px;
    transform: translateX(-50%);
    place-items: center;
    border: 1px solid rgba(190, 239, 91, .6);
    border-radius: 50%;
    color: var(--accent-ink);
    background: var(--accent);
    box-shadow: 0 0 0 7px var(--page), 0 0 25px rgba(174, 224, 70, .32);
    font-size: .68rem;
    font-weight: 820;
    letter-spacing: .03em;
}

.milestone:nth-child(1) .milestone__marker,
.milestone:nth-child(3) .milestone__marker,
.milestone:nth-child(5) .milestone__marker {
    top: 241px;
}

.milestone:nth-child(2) .milestone__marker,
.milestone:nth-child(4) .milestone__marker,
.milestone:nth-child(6) .milestone__marker {
    top: 391px;
}

.milestone__topline {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 8px;
}

.milestone__number {
    color: var(--accent-strong);
    font-size: .69rem;
    font-weight: 790;
    letter-spacing: .12em;
}

.milestone__rule {
    width: 26px;
    height: 1px;
    background: var(--line-strong);
}

.milestone__card h3 {
    margin: 0 0 7px;
    font-size: .82rem;
    font-weight: 720;
    letter-spacing: -.012em;
    line-height: 1.28;
}

.milestone__card p {
    margin: 0;
    color: var(--muted);
    font-size: .71rem;
    line-height: 1.42;
}

.milestone__date {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    margin-top: 9px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
    color: var(--text);
    font-size: .63rem;
    font-weight: 650;
    line-height: 1.4;
}

.milestone__date svg {
    width: 15px;
    height: 15px;
    flex: 0 0 auto;
    margin-top: 1px;
    stroke: var(--accent-strong);
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.milestone--above::after,
.milestone--below::after {
    position: absolute;
    left: 50%;
    width: 1px;
    background: linear-gradient(to bottom, rgba(180, 234, 68, .12), rgba(180, 234, 68, .64));
    content: "";
    transform: translateX(-50%);
}

.milestone--above::after {
    top: 225px;
    height: 16px;
}

.milestone--below::after {
    top: 429px;
    height: 6px;
}

.roadmap-note {
    display: flex;
    max-width: 850px;
    align-items: flex-start;
    gap: 11px;
    margin: 26px auto 0;
    padding: 14px 17px;
    border: 1px solid var(--line);
    border-radius: 14px;
    color: var(--muted);
    background: var(--surface);
    font-size: .8rem;
    line-height: 1.55;
}

.roadmap-note__mark {
    display: grid;
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid rgba(178, 220, 83, .42);
    border-radius: 50%;
    color: var(--accent-strong);
    font-size: .72rem;
    font-weight: 800;
    line-height: 1;
}

.site-footer {
    position: relative;
    border-top: 1px solid var(--line);
    background: linear-gradient(to bottom, transparent, rgba(90, 117, 73, .035));
}

.site-footer__inner {
    padding-top: 22px;
    padding-bottom: 14px;
}

.footer-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
}

.footer-logos__item {
    width: auto;
}

:root[data-theme="dark"] .brand-strip img,
:root[data-theme="dark"] .footer-logos img {
    filter: drop-shadow(0 0 2px rgba(238, 244, 229, .82));
}

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 60px;
    margin-top: 18px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
}

.site-footer__bottom p {
    margin: 0;
    color: var(--muted-soft);
    font-size: .76rem;
    letter-spacing: .01em;
    text-align: center;
}

.back-to-top {
    position: absolute;
    right: 0;
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    background: var(--surface);
    font-size: .73rem;
    text-decoration: none;
    transition: transform .2s var(--ease), color .2s ease, border-color .2s ease;
}

.back-to-top:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    color: var(--text);
}

.back-to-top svg {
    width: 16px;
    height: 16px;
}

:root.js-enabled [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .65s ease, transform .65s var(--ease);
}

:root.js-enabled [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    :root.js-enabled [data-reveal] {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1100px) {
    .page-shell,
    .section-shell {
        width: min(100% - 48px, 1240px);
    }

    .section-shell {
        width: min(100% - 48px, 1160px);
    }

    .brand-strip {
        width: min(100%, 520px);
        gap: 11px;
    }

    .brand-strip__item {
        height: var(--partner-logo-height);
    }

    .header-actions {
        gap: 6px;
    }

    .button--small {
        padding-inline: 13px;
    }

    .team-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .team-tile {
        min-height: 178px;
    }
}

@media (max-width: 1024px) {
    .site-header__inner {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .header-actions {
        margin-left: auto;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
    }

    .hero-card,
    .challenge-card {
        min-height: 350px;
    }

    .roadmap-track {
        margin-top: 35px;
    }

    .roadmap-wave {
        display: none;
    }

    .roadmap-list {
        display: grid;
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 0;
        padding-left: 27px;
    }

    .roadmap-list::before {
        position: absolute;
        top: 17px;
        bottom: 18px;
        left: 10px;
        width: 1px;
        background: linear-gradient(to bottom, var(--accent), rgba(160, 201, 69, .15));
        content: "";
    }

    .milestone {
        min-height: auto;
        padding: 0 0 14px;
    }

    .milestone__card,
    .milestone--above .milestone__card,
    .milestone--below .milestone__card {
        position: relative;
        inset: auto;
        min-height: 0;
        margin: 0;
        padding: 20px 21px;
    }

    .milestone__marker,
    .milestone:nth-child(1) .milestone__marker,
    .milestone:nth-child(2) .milestone__marker,
    .milestone:nth-child(3) .milestone__marker,
    .milestone:nth-child(4) .milestone__marker,
    .milestone:nth-child(5) .milestone__marker,
    .milestone:nth-child(6) .milestone__marker {
        top: 23px;
        left: -27px;
        width: 30px;
        height: 30px;
        transform: translateX(-50%);
        box-shadow: 0 0 0 5px var(--page), 0 0 20px rgba(174, 224, 70, .25);
    }

    .milestone--above::after,
    .milestone--below::after {
        display: none;
    }

    .milestone__card h3 {
        font-size: .96rem;
    }

    .milestone__card p {
        font-size: .85rem;
    }

    .milestone__date {
        font-size: .76rem;
    }
}

@media (max-width: 760px) {
    .page-shell,
    .section-shell {
        width: min(100% - 36px, 1240px);
    }

    .site-header {
        padding-top: 15px;
    }

    .site-header__inner {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .brand-strip {
        width: 100%;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 7px;
    }

    .brand-strip__item {
        height: var(--partner-logo-height);
    }

    .header-actions {
        justify-content: flex-end;
    }

    .hero {
        padding-top: 20px;
    }

    .challenge-logo {
        min-height: 66px;
        margin-bottom: 20px;
        padding-inline: 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .hero-card {
        min-height: 330px;
        padding: 24px 22px;
    }

    .hero-card h1 {
        max-width: 580px;
        font-size: clamp(3rem, 11vw, 4.7rem);
    }

    .challenge-card {
        min-height: 292px;
        padding: 18px 20px 15px;
    }

    .challenge-card__topline {
        margin-bottom: 14px;
    }

    .challenge-card .eyebrow {
        margin-top: 0;
    }

    .team-section {
        padding-top: 68px;
    }

    .roadmap-section {
        padding-top: 82px;
        padding-bottom: 50px;
    }

    .roadmap-list {
        padding-left: 24px;
    }

    .roadmap-list::before {
        left: 9px;
    }

    .milestone__marker,
    .milestone:nth-child(1) .milestone__marker,
    .milestone:nth-child(2) .milestone__marker,
    .milestone:nth-child(3) .milestone__marker,
    .milestone:nth-child(4) .milestone__marker,
    .milestone:nth-child(5) .milestone__marker,
    .milestone:nth-child(6) .milestone__marker {
        left: -24px;
    }
}

@media (max-width: 560px) {
    .page-shell,
    .section-shell {
        width: min(100% - 30px, 1240px);
    }

    .brand-strip {
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 7px;
    }

    .brand-strip__item {
        flex: 0 0 auto;
        height: var(--partner-logo-height);
    }

    .header-actions {
        gap: 7px;
    }

    .button--small {
        min-height: 40px;
        padding-inline: 14px;
    }

    .theme-toggle {
        width: 42px;
        height: 42px;
    }

    .challenge-logo {
        min-height: 65px;
    }

    .hero-card {
        min-height: 350px;
        padding: 22px 18px 19px;
        border-radius: 24px;
    }

    .hero-card__eyebrow {
        font-size: .61rem;
        letter-spacing: .1em;
    }

    .hero-card h1 {
        margin-top: 21px;
        font-size: clamp(2.8rem, 13vw, 4rem);
    }

    .hero-card__description {
        font-size: .95rem;
    }

    .hero-card__actions {
        width: 100%;
        flex-direction: column;
    }

    .registration-lock--hero .registration-lock__controls {
        flex-direction: column;
        align-items: stretch;
    }

    .registration-lock--hero .registration-notice {
        border-radius: 18px;
        padding-inline: 12px;
        font-size: .75rem;
    }

    .hero-card__actions .button {
        width: 100%;
    }

    .hero-card__footnote {
        align-items: flex-start;
        font-size: .68rem;
    }

    .challenge-card {
        min-height: 305px;
        padding: 18px 17px 15px;
        border-radius: 22px;
    }

    .challenge-card__deadline {
        align-items: flex-start;
        flex-direction: column;
        gap: 3px;
    }

    .section-heading--split {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .section-heading h2 {
        font-size: clamp(2.55rem, 12vw, 3.5rem);
    }

    .team-pill {
        margin: 0;
        font-size: .72rem;
    }

    .team-section__intro {
        margin-top: 16px;
        font-size: .94rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .team-tile {
        min-height: 158px;
        padding: 12px 14px;
    }

    .team-tile h3 {
        margin-top: 13px;
    }

    .section-heading__support {
        font-size: .92rem;
    }

    .roadmap-list {
        padding-left: 22px;
    }

    .roadmap-list::before {
        left: 8px;
    }

    .milestone {
        padding-bottom: 10px;
    }

    .milestone__card,
    .milestone--above .milestone__card,
    .milestone--below .milestone__card {
        padding: 18px 17px;
        border-radius: 16px;
    }

    .milestone__marker,
    .milestone:nth-child(1) .milestone__marker,
    .milestone:nth-child(2) .milestone__marker,
    .milestone:nth-child(3) .milestone__marker,
    .milestone:nth-child(4) .milestone__marker,
    .milestone:nth-child(5) .milestone__marker,
    .milestone:nth-child(6) .milestone__marker {
        left: -22px;
        width: 28px;
        height: 28px;
        font-size: .62rem;
    }

    .roadmap-note {
        padding: 12px;
        font-size: .75rem;
    }

    .site-footer__inner {
        padding-top: 25px;
    }

    .footer-logos {
        gap: 7px;
    }

    .footer-logos__item {
        width: auto;
        height: var(--partner-logo-height);
    }

    .site-footer__bottom {
        min-height: 76px;
        flex-direction: column;
        gap: 9px;
        padding: 13px 0 9px;
    }

    .site-footer__bottom p {
        font-size: .69rem;
    }

    .back-to-top {
        position: static;
        min-height: 34px;
        padding-inline: 10px;
    }
}

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

@media (max-width: 639px) {
    :root {
        --partner-logo-height: 44px;
    }
}

@media (max-width: 320px) {
    :root {
        --partner-logo-height: clamp(28px, calc((100vw - 42px) / 5.72), 44px);
    }

    .brand-strip {
        gap: 4px;
    }
}