.about-page {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.about-page::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: -310px;
    right: -210px;
    width: 610px;
    height: 610px;
    border-radius: 50%;
    background: rgba(183, 217, 76, 0.72);
}

.about-header,
.about-hero,
.about-section,
.about-cta,
.about-footer {
    width: min(1120px, calc(100% - 48px));
    margin-inline: auto;
}

.about-header {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-bottom: 1px solid var(--line);
}

.about-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-decoration: none;
}

.about-brand__mark {
    width: 38px;
    height: 38px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    padding: 6px;
    border-radius: 11px;
    color: var(--canvas);
    background: var(--ink);
    box-shadow: 0 8px 20px rgba(31, 37, 34, 0.16);
}

.about-brand__mark i {
    border-radius: 3px;
    background: currentColor;
}

.about-brand__mark i:nth-child(2) { background: var(--lime); }
.about-brand__mark i:nth-child(3) { background: var(--coral); }

.about-header nav,
.about-footer nav {
    display: flex;
    align-items: center;
    gap: 22px;
}

.about-header nav a,
.about-footer nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--muted);
    font-size: 0.73rem;
    font-weight: 800;
    text-decoration: none;
}

.about-header nav a:hover,
.about-footer nav a:hover,
.about-header nav a[aria-current="page"] {
    color: var(--blue);
}

.about-header nav .about-header__play {
    padding: 10px 14px;
    border-radius: 11px;
    color: var(--ink);
    background: var(--lime);
}

.about-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(250px, 0.42fr);
    align-items: end;
    gap: clamp(50px, 9vw, 130px);
    padding: 88px 0 92px;
}

.about-eyebrow,
.about-section__label {
    margin: 0;
    padding-left: 10px;
    border-left: 3px solid var(--coral);
    color: var(--ink);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.17em;
}

.about-hero h1 {
    max-width: 790px;
    margin: 15px 0 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(3.4rem, 7.4vw, 6.7rem);
    font-weight: 500;
    line-height: 0.9;
    letter-spacing: -0.068em;
}

.about-hero h1 em {
    color: var(--coral);
    font-weight: inherit;
}

.about-hero__lead {
    max-width: 650px;
    margin: 27px 0 0;
    color: var(--muted);
    font-size: clamp(1rem, 1.7vw, 1.18rem);
    line-height: 1.65;
}

.about-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.about-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 19px;
    padding: 11px 18px;
    border: 1px solid var(--line);
    border-radius: 13px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.45);
    font-size: 0.8rem;
    font-weight: 900;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.about-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 13px 28px rgba(31, 37, 34, 0.11);
}

.about-button--primary {
    border-color: transparent;
    background: var(--lime);
}

.about-button--dark {
    border-color: var(--ink);
    color: var(--canvas);
    background: var(--ink);
}

.about-promise {
    display: grid;
    gap: 0;
    padding: 10px 0;
    border-block: 1px solid var(--line);
}

.about-promise span {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 12px;
    padding: 15px 5px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 850;
    text-transform: uppercase;
}

.about-promise span:last-child { border-bottom: 0; }
.about-promise b { color: var(--coral); font-size: 0.66rem; }

.about-section {
    padding: 92px 0;
    border-top: 1px solid var(--line);
}

.about-intro {
    display: grid;
    grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
    gap: clamp(38px, 8vw, 120px);
}

.about-section h2,
.about-cta h2 {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.35rem, 5vw, 4.6rem);
    font-weight: 500;
    line-height: 0.98;
    letter-spacing: -0.058em;
}

.about-intro h2 { margin-bottom: 28px; }

.about-intro p,
.about-feature-grid p,
.about-game__copy > p,
.about-faq p {
    color: var(--muted);
    line-height: 1.7;
}

.about-intro p { max-width: 770px; }
.about-copy--large { color: var(--ink) !important; font-size: clamp(1.18rem, 2vw, 1.45rem); }

.about-section__heading {
    display: grid;
    grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
    gap: clamp(38px, 8vw, 120px);
    align-items: start;
}

.about-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 56px;
}

.about-feature-grid article {
    min-width: 0;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.46);
}

.about-feature-grid article > span {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    color: var(--ink);
    background: var(--lime);
    font-size: 1.4rem;
}

.about-feature-grid h3 {
    margin: 42px 0 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.7rem;
    font-weight: 500;
    letter-spacing: -0.04em;
}

.about-feature-grid p { margin-bottom: 0; font-size: 0.9rem; }

.about-game {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
    padding-inline: 0;
}

.about-game__art {
    min-height: 480px;
    display: grid;
    place-items: center;
    padding: 50px;
    border-radius: 32px 0 0 32px;
    background: var(--lime);
}

.about-board {
    width: min(100%, 280px);
    aspect-ratio: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 14px;
    border-radius: 24px;
    background: var(--ink);
    box-shadow: 0 24px 50px rgba(31, 37, 34, 0.22);
    transform: rotate(-3deg);
}

.about-board span {
    position: relative;
    border-radius: 10px;
    background: rgba(243, 245, 242, 0.1);
}

.about-board .is-x::before,
.about-board .is-x::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 48%;
    height: 7%;
    border-radius: 999px;
    background: var(--coral);
    transform: translate(-50%, -50%) rotate(45deg);
}

.about-board .is-x::after { transform: translate(-50%, -50%) rotate(-45deg); }

.about-board .is-o::before {
    content: "";
    position: absolute;
    inset: 27%;
    border: 6px solid #7691f2;
    border-radius: 50%;
}

.about-game__copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(42px, 7vw, 86px);
    border: 1px solid var(--line);
    border-left: 0;
    border-radius: 0 32px 32px 0;
    background: rgba(255, 255, 255, 0.55);
}

.about-game__copy h2 { margin-top: 13px; }
.about-game__copy ul { margin: 12px 0 27px; padding-left: 20px; color: var(--muted); line-height: 1.9; }

.about-faq__list {
    max-width: 850px;
    margin: 55px 0 0 auto;
}

.about-faq details { border-top: 1px solid var(--line); }
.about-faq details:last-child { border-bottom: 1px solid var(--line); }

.about-faq summary {
    padding: 24px 44px 24px 0;
    cursor: pointer;
    color: var(--ink);
    font-size: 1.03rem;
    font-weight: 850;
}

.about-faq p { max-width: 690px; margin: -7px 0 25px; }

.about-cta {
    margin-bottom: 92px;
    padding: clamp(42px, 7vw, 76px);
    border-radius: 34px;
    background: var(--lime);
}

.about-cta p { margin: 0 0 8px; font-size: 0.75rem; font-weight: 900; letter-spacing: 0.11em; text-transform: uppercase; }
.about-cta h2 { margin-bottom: 28px; }

.about-footer {
    min-height: 126px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 28px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.74rem;
}

.about-footer p { margin: 0; }
.about-footer nav { justify-self: end; }

@media (max-width: 820px) {
    .about-hero { grid-template-columns: 1fr; gap: 44px; padding: 62px 0 68px; }
    .about-promise { grid-template-columns: repeat(2, 1fr); }
    .about-promise span:nth-child(2) { border-bottom: 1px solid var(--line); }
    .about-promise span:nth-child(odd) { border-right: 1px solid var(--line); }
    .about-intro,
    .about-section__heading { grid-template-columns: 1fr; gap: 26px; }
    .about-feature-grid { grid-template-columns: 1fr; }
    .about-feature-grid article { display: grid; grid-template-columns: auto 1fr; column-gap: 20px; }
    .about-feature-grid h3 { margin: 4px 0 0; }
    .about-feature-grid p { grid-column: 2; }
    .about-game { grid-template-columns: 1fr; }
    .about-game__art { min-height: 370px; border-radius: 30px 30px 0 0; }
    .about-game__copy { border-top: 0; border-left: 1px solid var(--line); border-radius: 0 0 30px 30px; }
}

@media (max-width: 560px) {
    .about-header,
    .about-hero,
    .about-section,
    .about-cta,
    .about-footer { width: min(100% - 32px, 520px); }
    .about-header { min-height: 68px; }
    .about-brand > span:last-child { display: none; }
    .about-header nav { gap: 14px; }
    .about-header nav a { font-size: 0.68rem; }
    .about-header nav .about-header__play { padding: 9px 11px; }
    .about-hero { padding: 46px 0 54px; }
    .about-hero h1 { font-size: clamp(3rem, 15vw, 4.25rem); }
    .about-actions { display: grid; }
    .about-button { width: 100%; }
    .about-section { padding: 68px 0; }
    .about-section h2,
    .about-cta h2 { font-size: 2.55rem; }
    .about-feature-grid { margin-top: 38px; }
    .about-feature-grid article { display: block; padding: 25px; }
    .about-feature-grid h3 { margin-top: 32px; }
    .about-feature-grid p { grid-column: auto; }
    .about-game__art { min-height: 315px; padding: 38px; }
    .about-board .is-o::before { border-width: 4px; }
    .about-game__copy { padding: 36px 26px; }
    .about-faq__list { margin-top: 38px; }
    .about-cta { margin-bottom: 68px; padding: 36px 28px; }
    .about-footer { min-height: 180px; grid-template-columns: 1fr; justify-items: center; align-content: center; gap: 16px; text-align: center; }
    .about-footer nav { justify-self: center; }
}

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