:root {
    --bg: #05080d;
    --bg-alt: #0c1219;
    --panel: rgba(10, 15, 22, 0.88);
    --panel-strong: rgba(11, 17, 24, 0.94);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);
    --text: #f5f4ef;
    --muted: #a0a8b5;
    --accent: #f3f2ee;
    --accent-2: #8cb7ff;
    --accent-3: #f3f2ee;
    --warning: #ffb45e;
    --shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --mono: "SFMono-Regular", "Menlo", "Consolas", monospace;
    --sans: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font: 16px/1.6 var(--sans);
    color: var(--text);
    background:
        radial-gradient(circle at left center, rgba(34, 104, 169, 0.3), transparent 32%),
        radial-gradient(circle at right center, rgba(154, 79, 42, 0.24), transparent 28%),
        linear-gradient(180deg, #081018 0%, #05080d 52%, #04070c 100%);
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

body::before {
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 44px 44px,
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 / 44px 44px;
    opacity: 0.08;
}

body::after {
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.34) 100%);
}

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

button,
input,
select {
    font: inherit;
}

code {
    font-family: var(--mono);
    font-size: 0.92em;
    color: var(--accent);
}

.page-shell {
    width: min(1360px, calc(100% - 40px));
    margin: 0 auto;
    padding: 24px 0 48px;
}

.panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(12, 17, 24, 0.92), rgba(8, 12, 18, 0.92));
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(10px);
}

.panel::before {
    display: none;
}

.eyebrow {
    margin: 0 0 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.74rem;
    font-family: var(--mono);
}

.eyebrow span {
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    box-shadow: 0 0 0 4px rgba(114, 242, 197, 0.08);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 46px;
    padding: 0.75rem 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
    color: var(--text);
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.28);
}

.button--ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--line-strong);
}

.download-actions {
    margin-top: 1.2rem;
}

.asset-note,
.viewer-empty {
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.viewer-empty {
    padding: 1rem 1.1rem;
    border: 1px dashed var(--line-strong);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) 420px;
    gap: 24px;
}

.hero__copy,
.hero__panel,
.filter-panel,
.toolbar,
.section-block,
.notice,
.family-bar,
.viewer-card,
.variant-card,
.detail-hero__copy,
.detail-hero__side {
    padding: 28px;
}

.hero__title {
    margin: 0;
    max-width: 14ch;
    font-size: clamp(2.6rem, 5vw, 4.8rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
}

.hero__text,
.detail-lead {
    margin: 1rem 0 0;
    max-width: 62ch;
    color: var(--muted);
    font-size: 1.05rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 1.6rem;
}

.hero__chips,
.inline-pills,
.toolbar__meta,
.download-meta,
.download-actions,
.spec-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero__chips {
    margin-top: 1.5rem;
}

.chip-token,
.inline-pills span,
.toolbar__meta span,
.download-meta span,
.spec-row span,
.micro-tag,
.family-pill strong {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.35rem 0.75rem;
    color: var(--text);
    font-size: 0.86rem;
}

.micro-tag {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
}

.panel__label,
.pattern-card span,
.roadmap-card span,
.mini-list__item small,
.board-card__family,
.info-box span,
.stat-tile span,
.form-field span,
.pattern-mini__item span {
    font-family: var(--mono);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 1rem;
}

.metric-card,
.stat-tile,
.info-box {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
}

.metric-card strong,
.stat-tile strong,
.info-box strong {
    display: block;
    margin-top: 0.45rem;
    font-size: 1.25rem;
    line-height: 1.2;
}

.mini-list {
    margin-top: 1.3rem;
    display: grid;
    gap: 10px;
}

.mini-list h2 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.mini-list__item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
}

.mini-list__dot {
    width: 12px;
    height: 12px;
    margin-top: 0.35rem;
    border-radius: 999px;
    background: var(--family-color);
    box-shadow: 0 0 18px var(--family-color);
}

.notice {
    margin-top: 20px;
    color: var(--muted);
}

.family-bar {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.family-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color 160ms ease, transform 160ms ease;
}

.family-pill:hover,
.family-pill.is-active {
    border-color: var(--line-strong);
    transform: translateY(-1px);
}

.family-pill__swatch {
    width: 11px;
    height: 11px;
    border-radius: 999px;
}

.catalog-layout,
.detail-layout {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.detail-layout {
    grid-template-columns: minmax(0, 920px);
    justify-content: center;
}

.catalog-column,
.variant-stack {
    display: grid;
    gap: 20px;
}

.section-heading h2,
.toolbar h2,
.detail-hero h1,
.viewer-card__head h2,
.variant-card h2 {
    margin: 0;
    font-size: clamp(1.45rem, 2.4vw, 2.1rem);
    line-height: 1.05;
}

.filter-form {
    display: grid;
    gap: 14px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field input,
.form-field select {
    min-height: 48px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(2, 10, 9, 0.55);
    color: var(--text);
}

.form-field select {
    appearance: none;
}

.filter-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-note,
.detail-block p,
.pattern-card p,
.roadmap-card p,
.board-card__text,
.variant-card__lead {
    color: var(--muted);
}

.filter-note,
.pattern-mini {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.pattern-mini__item {
    display: grid;
    gap: 4px;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.board-grid--compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.board-card {
    display: block;
    min-height: 100%;
}

.board-card__preview {
    position: relative;
    height: 170px;
    margin: 16px 16px 0;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background: linear-gradient(#ecece7, #e7e7e2);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.board-card__preview--image {
    background: #0b0b0b;
}

.board-card__preview-image {
    width: 72%;
    height: 92%;
    object-fit: contain;
    filter: none;
}

.board-card__pcb {
    position: relative;
    margin: 18px auto 12px;
    width: min(100%, 240px);
    height: 98px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 6%, transparent 6% 94%, rgba(255, 255, 255, 0.06) 94% 100%),
        linear-gradient(135deg, rgba(114, 242, 197, 0.12), rgba(121, 200, 255, 0.08)),
        #15362f;
    box-shadow: inset 0 0 28px rgba(0, 0, 0, 0.22);
}

.board-card__pcb::before,
.board-card__pcb::after {
    content: "";
    position: absolute;
    inset: 18px 32px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.board-card__chip {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    padding: 0.55rem 0.9rem;
    border-radius: 12px;
    background: rgba(5, 12, 13, 0.84);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-family: var(--mono);
    font-size: 0.74rem;
}

.board-card__pins {
    position: absolute;
    top: 14px;
    bottom: 14px;
    width: 8px;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.22) 0 6px,
        transparent 6px 13px
    );
}

.board-card__pins--left {
    left: -12px;
}

.board-card__pins--right {
    right: -12px;
}

.board-card__content {
    display: grid;
    gap: 10px;
    padding: 16px;
}

.board-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.board-card__head h3,
.roadmap-card h3,
.pattern-card h3,
.detail-block h3 {
    margin: 0;
    font-size: 1.1rem;
}

.board-card__head p,
.back-link,
.variant-card__lead,
.viewer-status {
    margin: 0;
    color: var(--muted);
}

.board-card__footer,
.viewer-card__head,
.detail-hero,
.back-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.board-card__footer {
    justify-content: flex-end;
}

.empty-card {
    padding: 24px;
}

.section-block {
    margin-top: 24px;
}

.pattern-grid,
.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.pattern-card,
.roadmap-card {
    padding: 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
}

.detail-shell {
    padding-top: 24px;
}

.back-link {
    justify-content: flex-start;
    margin-bottom: 18px;
    font-family: var(--mono);
}

.detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) 340px;
    gap: 24px;
}

.detail-hero--single {
    display: block;
}

.stat-grid,
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.detail-block {
    margin-top: 18px;
}

.viewer-card {
    padding-bottom: 22px;
    width: 100%;
}

.stl-viewer {
    width: 100%;
    max-width: 820px;
    height: 520px;
    margin: 18px auto 0;
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-rows: 1fr auto;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    background: linear-gradient(180deg, #040608 0%, #070b10 100%);
}

.stl-viewer-canvas {
    width: 100%;
    height: 100%;
    min-height: 0;
}

.stl-viewer-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 7px 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(6, 10, 15, 0.96);
}

.viewer-btn {
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #f3f2ee;
    font-weight: 700;
    font-size: 12px;
    padding: 5px 8px;
    cursor: pointer;
}

.viewer-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.viewer-btn.is-active {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.22);
}

.viewer-status {
    margin-left: auto;
    font-size: 11px;
    color: #9da6b4;
}

.viewer-card__lead {
    margin: 12px 0 0;
    color: var(--muted);
    max-width: 70ch;
}

.variant-card {
    padding-top: 20px;
}

.download-meta {
    margin-top: 14px;
}

.board-card--mini .board-card__content {
    padding: 20px;
}

.pagination {
    margin-top: 18px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.pagination__meta,
.pagination__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.page-shell--compact {
    width: min(1200px, calc(100% - 32px));
}

.topbar,
.sidebar,
.viewer-card,
.variant-card,
.detail-hero {
    padding: 20px;
}

.topbar {
    display: grid;
    gap: 26px;
}

.topbar__hero {
    display: grid;
    grid-template-columns: minmax(380px, 540px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(20px, 3vw, 44px);
}

.topbar__main {
    display: grid;
    gap: 12px;
    align-content: center;
}

.brand-lockup {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.brand-lockup__logo {
    width: min(100%, 540px);
    max-width: 100%;
    height: auto;
    display: block;
    flex: 0 0 auto;
}

.brand-lockup__copy {
    min-width: 0;
    max-width: 1120px;
}

.brand-lockup__copy .eyebrow {
    margin-bottom: 0.55rem;
}

.page-title {
    margin: 0;
    max-width: 15.5ch;
    font-size: clamp(2.9rem, 5.8vw, 5rem);
    line-height: 0.96;
    letter-spacing: -0.05em;
}

.page-title__line {
    display: block;
}

.page-subtitle {
    margin: 2px 0 0;
    color: var(--muted);
    max-width: 36rem;
    font-size: clamp(1.05rem, 1.7vw, 1.28rem);
    line-height: 1.4;
}

.stats-inline {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: clamp(24px, 5vw, 64px);
    flex-wrap: wrap;
}

.hero-stat {
    display: grid;
    gap: 4px;
    text-align: center;
    justify-items: center;
}

.hero-stat strong {
    font-size: clamp(2.2rem, 5vw, 4.4rem);
    line-height: 0.9;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--text);
}

.hero-stat span,
.sidebar-label {
    font-size: 0.92rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.sidebar-label {
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
    font-size: 13px;
}

.layout-compact {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.sidebar {
    display: grid;
    gap: 18px;
    align-content: start;
}

.sidebar-block {
    display: grid;
    gap: 12px;
}

.family-list {
    display: grid;
    gap: 8px;
}

.family-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.family-link.is-active {
    border-color: var(--line-strong);
}

.family-link__swatch {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    margin-right: 8px;
    flex: 0 0 auto;
}

.catalog-main {
    display: grid;
    gap: 18px;
}

.list-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.list-head h2,
.detail-hero h1 {
    margin: 0;
}

.list-head p {
    margin: 0;
    color: var(--muted);
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.board-card-lite {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(7, 11, 17, 0.96), rgba(10, 16, 24, 0.92));
    overflow: hidden;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.26);
}

.board-card-lite__preview {
    display: grid;
    place-items: center;
    height: 180px;
    background: #020305;
    border-bottom: 1px solid var(--line);
}

.board-card-lite__preview img {
    width: 76%;
    height: 84%;
    object-fit: contain;
}

.board-card-lite__placeholder {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.board-card-lite__body {
    padding: 14px;
}

.board-card-lite__body h3 {
    margin: 0;
    font-size: 18px;
    line-height: 1.15;
}

.board-card-lite__body h3 a:hover {
    color: var(--accent);
}

.board-card-lite__size,
.board-card-lite__desc {
    margin: 8px 0 0;
    color: var(--muted);
}

.board-card-lite__size {
    font-family: var(--mono);
    font-size: 13px;
}

.board-card-lite__desc {
    font-size: 14px;
}

.board-card-lite__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.board-card-lite__tags span {
    padding: 5px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
    font-size: 12px;
}

.pagination-lite {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 0 0;
}

@media (max-width: 1200px) {
    .hero,
    .detail-hero {
        grid-template-columns: 1fr;
    }

    .catalog-layout,
    .detail-layout,
    .layout-compact {
        grid-template-columns: 1fr;
    }

    .board-grid,
    .board-grid--compact,
    .pattern-grid,
    .roadmap-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .page-shell {
        width: min(100% - 24px, 100%);
    }

    .hero__copy,
    .hero__panel,
    .filter-panel,
    .toolbar,
    .section-block,
    .notice,
    .family-bar,
    .viewer-card,
    .variant-card,
    .detail-hero__copy,
    .detail-hero__side {
        padding: 22px;
    }

    .board-grid,
    .board-grid--compact,
    .pattern-grid,
    .roadmap-grid,
    .stat-grid,
    .info-grid,
    .metric-grid {
        grid-template-columns: 1fr;
    }

    .board-card__footer,
    .viewer-card__head,
    .detail-hero,
    .pagination,
    .pagination-lite,
    .topbar,
    .list-head {
        align-items: flex-start;
    }

    .stl-viewer-canvas {
        min-height: 360px;
    }

    .brand-lockup {
        align-items: flex-start;
    }

    .topbar__hero {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .brand-lockup__logo {
        width: min(460px, 100%);
    }

    .hero-stat strong {
        font-size: clamp(2rem, 10vw, 3rem);
    }
}

@media (max-width: 560px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .button,
    .family-pill {
        width: 100%;
    }

    .filter-actions,
    .hero__actions,
    .pagination__actions,
    .pagination__meta,
    .pagination-lite {
        flex-direction: column;
    }

    .stats-inline {
        gap: 22px;
    }
}