:root {
    --bg: #f5f6f1;
    --bg-rail: #e5e8df;
    --surface: #ffffff;
    --surface-soft: #eef2ec;
    --ink: #13181d;
    --ink-soft: #2d3740;
    --muted: #66717a;
    --line: rgba(19, 24, 29, 0.13);
    --line-strong: rgba(19, 24, 29, 0.24);
    --accent: #42d77d;
    --accent-strong: #16934f;
    --accent-soft: rgba(66, 215, 125, 0.15);
    --calibration: #d7bd55;
    --warning: #b9524a;
    --shadow: 0 14px 34px rgba(19, 24, 29, 0.08);
    --radius-lg: 8px;
    --radius-md: 6px;
    --radius-sm: 4px;
    --container: 1200px;
    --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
    --sans: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: var(--sans);
    line-height: 1.58;
    background:
        linear-gradient(90deg, rgba(19, 24, 29, 0.035) 1px, transparent 1px),
        linear-gradient(rgba(19, 24, 29, 0.03) 1px, transparent 1px),
        linear-gradient(180deg, var(--bg) 0%, #fbfbf8 42%, var(--bg-rail) 100%);
    background-size: 32px 32px, 32px 32px, 100% 100%;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), rgba(19, 24, 29, 0.05) 50%, transparent calc(50% + 1px), transparent 100%),
        repeating-linear-gradient(135deg, rgba(19, 24, 29, 0.018) 0 1px, transparent 1px 8px);
    opacity: 0.55;
}

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

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

a:hover {
    color: var(--accent-strong);
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(66, 215, 125, 0.45);
    outline-offset: 3px;
}

::selection {
    background: rgba(66, 215, 125, 0.28);
}

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 1000;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.skip-link:focus {
    top: 1rem;
}

.page-shell {
    position: relative;
    z-index: 1;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(245, 246, 241, 0.88);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    min-width: 0;
}

.brand__mark {
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 auto;
    filter: drop-shadow(0 10px 16px rgba(19, 24, 29, 0.16));
}

.brand__text {
    display: flex;
    flex-direction: column;
    gap: 0.08rem;
    min-width: 0;
}

.brand__text strong {
    color: var(--ink);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0;
    text-transform: uppercase;
}

.brand__text span {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.25;
}

.menu-toggle {
    display: none;
    margin-left: auto;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    border-radius: var(--radius-md);
    padding: 0.65rem 0.85rem;
    box-shadow: 0 8px 20px rgba(19, 24, 29, 0.06);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
    flex-wrap: wrap;
}

.site-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 2.45rem;
    padding: 0.5rem 0.78rem;
    border-radius: var(--radius-md);
    color: var(--muted);
    font-weight: 600;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link.is-active {
    color: var(--ink);
    background: var(--surface);
    transform: translateY(-1px);
}

.site-main {
    padding-bottom: 4rem;
}

.section {
    padding: 4rem 0;
}

.section--soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(229, 232, 223, 0.46));
    border-block: 1px solid rgba(19, 24, 29, 0.06);
}

.section--signal {
    padding: 2rem 0 3rem;
}

.section--dark {
    color: #f7f8f3;
    background: #13181d;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1.5rem;
    margin-bottom: 1.35rem;
}

.section-kicker {
    margin: 0 0 0.55rem;
    color: var(--accent-strong);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.section-kicker--light {
    color: var(--accent);
}

h1,
h2,
h3,
h4 {
    margin: 0;
    font-family: var(--serif);
    line-height: 1.04;
    letter-spacing: 0;
    text-wrap: balance;
}

h1 {
    max-width: 10.5ch;
    font-size: 4.8rem;
}

h2 {
    max-width: 18ch;
    font-size: 2.75rem;
}

h3 {
    max-width: 22ch;
    font-size: 1.45rem;
}

.hero {
    min-height: 72dvh;
    padding: 4.25rem 0 2.5rem;
    border-bottom: 1px solid rgba(19, 24, 29, 0.08);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.22fr) minmax(320px, 0.78fr);
    gap: 2rem;
    align-items: end;
}

.hero-copy {
    padding: 0;
}

.eyebrow,
.panel-label,
.card__meta,
.article-meta,
.info-card__label,
.sidebar-meta span,
.sidebar-story small,
.mini-card__meta {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero-lede {
    margin: 1.05rem 0 0;
    max-width: 58ch;
    color: var(--ink-soft);
    font-size: 1.08rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.6rem;
}

.button,
.text-link,
.tag {
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.7rem;
    padding: 0.65rem 0.95rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-weight: 700;
    letter-spacing: 0;
}

.button:hover,
.text-link:hover,
.tag:hover {
    transform: translateY(-1px);
}

.button:active,
.tag:active {
    transform: translateY(0);
}

.button--primary {
    background: var(--ink);
    color: #fff;
}

.button--primary:hover {
    color: #fff;
    background: #000;
}

.button--ghost {
    background: var(--surface);
    border-color: var(--line);
}

.button--text {
    padding-inline: 0;
    min-height: 0;
    color: var(--accent-strong);
    background: transparent;
}

.button--light {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
}

.hero-panel,
.panel,
.info-card,
.mini-card,
.card,
.sidebar-card,
.archive-hero,
.not-found-card,
.brand-proof article {
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.hero-panel {
    display: grid;
    gap: 1.15rem;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    background:
        linear-gradient(180deg, rgba(19, 24, 29, 0.96), rgba(19, 24, 29, 0.92)),
        linear-gradient(135deg, transparent 0 40%, rgba(66, 215, 125, 0.13) 40% 60%, transparent 60% 100%);
    color: #f7f8f3;
}

.hero-panel__top h2 {
    margin-top: 0.45rem;
    font-size: 1.9rem;
}

.hero-panel__top p {
    margin: 0.8rem 0 0;
    color: rgba(247, 248, 243, 0.74);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.hero-stat {
    padding: 0.8rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stat span {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--accent);
    font-size: 1.45rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.hero-stat small {
    color: rgba(247, 248, 243, 0.72);
}

.brand-proof {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 1.25rem;
    align-items: start;
}

.brand-proof h2 {
    max-width: 13ch;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.brand-proof article {
    display: grid;
    gap: 0.65rem;
    min-height: 100%;
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.brand-proof article span {
    color: var(--accent-strong);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.brand-proof article h3 {
    font-family: var(--sans);
    font-size: 1.05rem;
}

.brand-proof article p,
.card__excerpt,
.info-card p,
.sidebar-card p,
.sidebar-story span,
.brand-slab p,
.archive-intro,
.empty-state p,
.not-found-card p,
.mini-card__body p {
    color: var(--muted);
}

.note-bar {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1.5rem;
}

.note-bar .prose--wide {
    max-width: 72ch;
}

.text-link {
    color: var(--accent-strong);
    font-weight: 700;
}

.feature-layout,
.page-layout,
.article-layout {
    display: grid;
    gap: 1.2rem;
}

.feature-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr);
    align-items: start;
}

.card,
.mini-card,
.info-card,
.sidebar-card,
.panel,
.archive-hero,
.not-found-card {
    border-radius: var(--radius-lg);
}

.card {
    overflow: hidden;
}

.card__media,
.mini-card__media,
.article-figure {
    display: block;
    background:
        linear-gradient(135deg, rgba(66, 215, 125, 0.12), rgba(215, 189, 85, 0.08)),
        #e8ece5;
}

.card__media {
    aspect-ratio: 16 / 10;
}

.mini-card__media {
    aspect-ratio: 5 / 4;
    width: 8.5rem;
    flex: 0 0 auto;
    border-right: 1px solid var(--line);
}

.card__media img,
.mini-card__media img,
.article-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card__body {
    display: grid;
    gap: 0.8rem;
    padding: 1.05rem;
}

.card__meta,
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.8rem;
}

.card__meta span + span::before,
.article-meta span + span::before {
    content: "/";
    margin-right: 0.8rem;
    color: rgba(102, 113, 122, 0.65);
}

.card__title a {
    color: inherit;
}

.card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.feature-stack,
.sidebar,
.grid,
.sidebar-story-list {
    display: grid;
    gap: 0.9rem;
}

.feature-stack {
    align-content: start;
}

.mini-card {
    display: flex;
    overflow: hidden;
}

.mini-card__body {
    display: grid;
    gap: 0.5rem;
    padding: 0.95rem 1rem;
}

.mini-card__body h3 {
    font-family: var(--sans);
    font-size: 1.02rem;
    line-height: 1.28;
}

.mini-card__meta {
    color: var(--accent-strong);
}

.grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.info-card,
.sidebar-card,
.panel,
.archive-hero {
    padding: 1.1rem;
}

.info-card {
    display: grid;
    gap: 0.75rem;
    min-height: 100%;
    box-shadow: none;
}

.brand-slab {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 1.5rem;
    align-items: start;
}

.brand-slab__body {
    display: grid;
    gap: 1rem;
}

.prose {
    max-width: 72ch;
}

.prose h2,
.prose h3,
.prose h4 {
    margin-top: 1.6rem;
    margin-bottom: 0.75rem;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose figure,
.prose table {
    margin: 0 0 1rem;
}

.prose ul,
.prose ol {
    padding-left: 1.25rem;
}

.prose a {
    color: var(--accent-strong);
    text-decoration: underline;
    text-decoration-color: rgba(22, 147, 79, 0.38);
    text-underline-offset: 0.15em;
}

.prose blockquote {
    padding: 1rem 1.15rem;
    border-left: 4px solid var(--accent);
    background: rgba(66, 215, 125, 0.08);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.prose img {
    border-radius: var(--radius-md);
}

.page-layout,
.article-layout {
    grid-template-columns: minmax(0, 1.38fr) minmax(290px, 0.72fr);
}

.prose-card--article {
    display: grid;
    gap: 1rem;
}

.article-figure {
    margin: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 16 / 9;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    color: var(--accent-strong);
    border: 1px solid rgba(22, 147, 79, 0.22);
    font-size: 0.88rem;
    font-weight: 700;
}

.sidebar {
    align-content: start;
}

.sidebar-links,
.sidebar-meta {
    display: grid;
    gap: 0.55rem;
}

.sidebar-links a,
.sidebar-story {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(19, 24, 29, 0.08);
}

.sidebar-story:last-child,
.sidebar-links a:last-child {
    border-bottom: 0;
}

.sidebar-story {
    align-items: baseline;
}

.sidebar-story span {
    display: block;
    color: var(--ink);
    font-weight: 700;
}

.sidebar-meta div {
    display: grid;
    gap: 0.1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(19, 24, 29, 0.08);
}

.sidebar-meta div:last-child {
    border-bottom: 0;
}

.archive-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.75fr);
    gap: 1rem;
    align-items: end;
}

.archive-search {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: end;
}

.archive-search input {
    flex: 1 1 auto;
    min-width: 12rem;
    min-height: 2.7rem;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
}

.empty-state,
.not-found-card {
    display: grid;
    gap: 1rem;
    place-items: start;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-footer {
    padding: 2rem 0 3rem;
    background: rgba(245, 246, 241, 0.72);
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(0, 0.6fr));
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.brand--footer {
    margin-bottom: 1rem;
}

.footer-note {
    margin: 0;
    max-width: 38ch;
    color: var(--muted);
}

.footer-links {
    display: grid;
    gap: 0.5rem;
    align-content: start;
}

.footer-label {
    margin: 0 0 0.4rem;
    color: var(--accent-strong);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.footer-links a {
    color: var(--muted);
}

.footer-links a:hover {
    color: var(--ink);
}

@media (max-width: 1080px) {
    h1 {
        font-size: 3.8rem;
    }

    h2 {
        font-size: 2.35rem;
    }

    .hero-grid,
    .feature-layout,
    .page-layout,
    .article-layout,
    .archive-hero,
    .brand-slab,
    .brand-proof,
    .footer-grid,
    .grid--4 {
        grid-template-columns: 1fr;
    }

    .proof-grid,
    .grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sidebar {
        order: 2;
    }

    .page-layout .panel,
    .article-layout .panel {
        order: 1;
    }

    .archive-search {
        justify-content: stretch;
    }
}

@media (max-width: 860px) {
    .header-inner {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .site-nav {
        display: none;
        width: 100%;
        margin-left: 0;
        padding-top: 0.5rem;
    }

    .site-nav.is-open {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.45rem;
    }

    .site-nav__link {
        justify-content: center;
        background: var(--surface);
        border: 1px solid rgba(19, 24, 29, 0.08);
    }

    .note-bar,
    .section-heading,
    .archive-hero,
    .archive-search {
        align-items: start;
    }

    .section-heading,
    .archive-search {
        flex-direction: column;
    }

    .archive-search input {
        width: 100%;
    }

    .proof-grid,
    .grid--3 {
        grid-template-columns: 1fr;
    }

    .mini-card {
        flex-direction: column;
    }

    .mini-card__media {
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 1.2rem), var(--container));
    }

    .hero {
        min-height: auto;
        padding: 2.75rem 0 2rem;
    }

    .section {
        padding: 3rem 0;
    }

    .header-inner {
        gap: 0.8rem;
    }

    .brand__text span {
        display: none;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .site-nav.is-open {
        grid-template-columns: 1fr;
    }

    .card__body,
    .mini-card__body,
    .info-card,
    .sidebar-card,
    .panel,
    .archive-hero,
    .hero-panel,
    .brand-proof article {
        padding: 0.95rem;
    }

    h1 {
        font-size: 2.85rem;
    }

    h2 {
        font-size: 2rem;
    }
}