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

:root {
    --coal: #171716;
    --midnight: #1c285f;
    --bronze: #956529;
    --gold: #e2a91d;
    --linen: #fafaf8;
    --paper: #f2eee4;
    --ink: #12131a;
}

body {
    min-height: 100vh;
    font-family: "Segoe UI", "Trebuchet MS", "Avenir Next", sans-serif;
    color: var(--linen);
    background:
        radial-gradient(circle at 12% 18%, rgba(226, 169, 29, 0.2), transparent 42%),
        radial-gradient(circle at 88% 10%, rgba(28, 40, 95, 0.45), transparent 50%),
        linear-gradient(155deg, #0f1014, #171716 32%, #23231f 100%);
    line-height: 1.5;
}

.artifacts-page {
    width: min(1140px, 100% - 2.4rem);
    margin: 2.2rem auto 2.8rem;
    display: grid;
    gap: 1.4rem;
}

.hero-card,
.downloads-card,
.mission-card {
    border: 1px solid rgba(250, 250, 248, 0.15);
    border-radius: 20px;
    background: linear-gradient(150deg, rgba(23, 23, 22, 0.95), rgba(17, 22, 40, 0.84));
    backdrop-filter: blur(2px);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.3);
}

.hero-card {
    padding: 1.4rem 1.4rem 1.1rem;
}

.hero-header {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 1.2rem;
    align-items: center;
    margin-bottom: 1rem;
}

.eyebrow {
    color: var(--gold);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.82rem;
    margin-bottom: 0.4rem;
}

h1 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}

.intro {
    color: rgba(250, 250, 248, 0.86);
    max-width: 65ch;
}

.logo-wrap {
    border: 1px solid rgba(250, 250, 248, 0.2);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(250, 250, 248, 0.05), rgba(226, 169, 29, 0.1));
    padding: 0.7rem;
}

.logo-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.carousel-panel {
    border-top: 1px solid rgba(250, 250, 248, 0.12);
    padding-top: 1rem;
}

.carousel {
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    gap: 0.75rem;
    align-items: stretch;
}

.slides-wrap {
    position: relative;
    min-height: clamp(300px, 50vw, 620px);
    border: 1px solid rgba(250, 250, 248, 0.2);
    border-radius: 14px;
    overflow: hidden;
    background: linear-gradient(150deg, rgba(17, 22, 40, 0.6), rgba(23, 23, 22, 0.9));
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(8%);
    transition: opacity 260ms ease, transform 260ms ease;
    display: grid;
    grid-template-rows: auto auto;
    align-content: start;
    overflow-y: scroll;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
    scrollbar-width: auto;
    scrollbar-color: rgba(226, 169, 29, 0.95) rgba(28, 40, 95, 0.4);
    pointer-events: none;
}

.slide::-webkit-scrollbar {
    width: 12px;
}

.slide::-webkit-scrollbar-track {
    background: linear-gradient(180deg, rgba(28, 40, 95, 0.45), rgba(23, 23, 22, 0.55));
    border-left: 1px solid rgba(250, 250, 248, 0.18);
}

.slide::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(244, 194, 72, 0.98), rgba(226, 169, 29, 0.95));
    border-radius: 999px;
    border: 2px solid rgba(17, 22, 40, 0.5);
}

.slide::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(250, 213, 114, 1), rgba(233, 178, 49, 1));
}

.slide.is-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.slide-image {
    width: 100%;
    height: auto;
    object-fit: initial;
    background: #ffffff;
}

.slide-image--artifact-3 {
    filter: none;
}

@media (min-width: 860px) {
    .slide-image--artifact-3 {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
    }
}

.slide-stack {
    display: grid;
    align-content: start;
}

.slide-stack .slide-image + .slide-image {
    border-top: 1px solid rgba(18, 19, 26, 0.16);
}

.slide-meta {
    background: linear-gradient(90deg, rgba(28, 40, 95, 0.95), rgba(149, 101, 41, 0.95));
    padding: 0.7rem 0.9rem;
}

.slide-meta h2 {
    font-size: 1.05rem;
}

.slide-meta p {
    font-size: 0.9rem;
    color: rgba(250, 250, 248, 0.86);
}

.nav-btn {
    border: 1px solid rgba(250, 250, 248, 0.28);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(250, 250, 248, 0.1), rgba(226, 169, 29, 0.12));
    color: var(--linen);
    font-size: 1.35rem;
    cursor: pointer;
    transition: transform 120ms ease, border-color 120ms ease;
}

.nav-btn:hover,
.nav-btn:focus-visible {
    transform: scale(1.05);
    border-color: var(--gold);
    outline: none;
}

.dots {
    margin-top: 0.8rem;
    display: flex;
    justify-content: center;
    gap: 0.42rem;
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 999px;
    border: 1px solid rgba(250, 250, 248, 0.5);
    background: rgba(250, 250, 248, 0.15);
    cursor: pointer;
}

.dot.is-active {
    background: var(--gold);
    border-color: var(--gold);
}

.downloads-card {
    padding: 1rem 1.15rem;
}

.mission-card {
    padding: 1rem 1.15rem;
}

.mission-card h2 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

.mission-groups {
    display: grid;
    gap: 0;
}

.mission-block {
    margin: 0.7rem 0;
    border: 1px solid rgba(250, 250, 248, 0.18);
    border-radius: 14px;
    padding: 0.8rem;
    background: linear-gradient(130deg, rgba(250, 250, 248, 0.05), rgba(28, 40, 95, 0.18));
}

.mission-block h3 {
    font-size: 1rem;
    color: var(--gold);
    margin-bottom: 0.45rem;
    letter-spacing: 0.02em;
}

.mission-card p {
    color: rgba(250, 250, 248, 0.86);
    max-width: 86ch;
}

.downloads-head {
    margin-bottom: 0.6rem;
}

.downloads-head h2 {
    font-size: 1.2rem;
}

.downloads-head p {
    color: rgba(250, 250, 248, 0.73);
    font-size: 0.92rem;
}

.download-list {
    list-style: decimal;
    list-style-position: inside;
    max-height: 285px;
    overflow-y: auto;
    padding-right: 0.35rem;
}

.download-item {
    margin: 0.7rem 0;
    border: 1px solid rgba(250, 250, 248, 0.18);
    border-radius: 14px;
    padding: 0.8rem;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(130deg, rgba(250, 250, 248, 0.05), rgba(28, 40, 95, 0.18));
}

.item-copy h3 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.item-copy p {
    color: rgba(250, 250, 248, 0.82);
    font-size: 0.9rem;
}

.download-link {
    text-decoration: none;
    color: var(--ink);
    background: var(--gold);
    font-weight: 700;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    white-space: nowrap;
}

.download-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
}

.download-link:hover,
.download-link:focus-visible {
    background: #f4c248;
    outline: none;
}

@media (max-width: 880px) {
    .hero-header {
        grid-template-columns: 1fr;
    }

    .logo-wrap {
        max-width: 320px;
    }
}

@media (max-width: 640px) {
    .artifacts-page {
        width: min(100% - 1rem, 1140px);
        margin-top: 0.8rem;
    }

    .hero-card {
        padding: 0.8rem;
    }

    .carousel {
        grid-template-columns: 34px 1fr 34px;
        gap: 0.4rem;
    }

    .slides-wrap {
        min-height: 255px;
    }

    .download-item {
        grid-template-columns: 1fr;
    }

    .download-actions {
        justify-content: flex-start;
    }
}