/* ==============================================================================
   DISTINCTION LABS — Swiss/Editorial Design System
   White paper, heavy grotesk, red accent, grid lines, numbered sections
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800;900&display=swap');

:root {
    --bg: #ffffff;
    --bg-alt: #fafafa;
    --text: #111111;
    --text-secondary: #555555;
    --text-tertiary: #999999;
    --border: #111111;
    --hairline: #e5e5e5;
    --accent: #111111;
    --green: #111111;
    --blue: #111111;
    --radius-sm: 0px;
    --radius: 0px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.container--narrow { max-width: 820px; }
.container--x-narrow { max-width: 640px; }

/* -----------------------------------------------------------------------------
   Typography utilities
----------------------------------------------------------------------------- */
.text-mono { font-family: "Archivo", monospace; font-variant-numeric: tabular-nums; }
.text-sm { font-size: 13.5px; }
.text-xs { font-size: 12px; }
.text-xl { font-size: 24px; font-weight: 800; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-green { color: var(--green); }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 3rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-4 { margin-top: 3rem; }
.ml-2 { margin-left: 1rem; }

/* -----------------------------------------------------------------------------
   Masthead + Subnav
----------------------------------------------------------------------------- */
.masthead { border-bottom: 3px solid var(--border); }
.masthead__inner { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }

.logo {
    font-weight: 900; font-size: 22px; letter-spacing: -0.03em;
    text-transform: uppercase; text-decoration: none; color: var(--text);
    display: inline-flex; align-items: center; gap: 6px;
}
.logo::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: url("logo-mark.svg") no-repeat center / contain;
}
.logo em { color: var(--accent); font-style: normal; }
.logo span { color: var(--accent); font-style: normal; }

.masthead__meta {
    font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
    color: var(--text-secondary); text-align: right;
}

.subnav { border-bottom: 1px solid var(--hairline); }
.subnav__inner { display: flex; flex-wrap: wrap; }
.subnav__inner a {
    padding: 12px 20px; text-decoration: none; color: var(--text-secondary);
    font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
    border-right: 1px solid var(--hairline); transition: all .15s;
}
.subnav__inner a:first-child { border-left: 1px solid var(--hairline); }
.subnav__inner a:hover { color: var(--text); background: var(--bg-alt); }
.subnav__inner a.on { color: var(--accent); }

/* -----------------------------------------------------------------------------
   Hero
----------------------------------------------------------------------------- */
.hero { border-bottom: 1px solid var(--hairline); }
.hero__grid { display: grid; grid-template-columns: 2fr 1fr; }
.hero__main { padding: 72px 48px 72px 0; border-right: 1px solid var(--hairline); }
.hero__aside { display: flex; flex-direction: column; }
.aside__row {
    padding: 24px 0 24px 32px; border-bottom: 1px solid var(--hairline);
    flex: 1; display: flex; flex-direction: column; justify-content: center;
}
.aside__row:last-child { border-bottom: none; }
.aside__num { font-size: 34px; font-weight: 900; letter-spacing: -0.03em; line-height: 1; }
.aside__label { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-tertiary); margin-top: 6px; }

.hero h1, .hero__title {
    font-size: clamp(42px, 6vw, 84px);
    font-weight: 900; letter-spacing: -0.04em; line-height: .98;
    text-transform: uppercase; margin-bottom: 28px;
}
.hero__title.accent, .hero h1 .accent { color: var(--accent); }
.hero__subtitle { font-size: 17px; color: var(--text-secondary); max-width: 520px; margin-bottom: 32px; }
.hero__content { padding: 72px 0; }

.hero--small .hero__content { padding: 64px 0; }
.hero--small .hero__title { font-size: clamp(36px, 5vw, 60px); }
.hero--medium .hero__content { padding: 80px 0; }
.hero--medium .hero__title { font-size: clamp(40px, 5.5vw, 72px); }

/* -----------------------------------------------------------------------------
   Buttons
----------------------------------------------------------------------------- */
.btn {
    display: inline-block; text-decoration: none; font-weight: 700; font-size: 13px;
    text-transform: uppercase; letter-spacing: .08em; padding: 15px 30px;
    transition: all .15s; border: 1px solid var(--border);
}
.btn--solid { background: var(--text); color: #fff; }
.btn--solid:hover { background: #333333; border-color: #333333; }
.btn--primary { background: var(--text); color: #fff; border-color: var(--text); }
.btn--primary:hover { background: #333333; border-color: #333333; }
.btn--outline, .btn--ghost { background: transparent; color: var(--text); }
.btn--outline:hover, .btn--ghost:hover { background: var(--text); color: #fff; }
.btn--line { color: var(--text); border-left: none; }
.btn--line:hover { background: var(--text); color: #fff; }

.hero__actions { display: flex; gap: 0; flex-wrap: wrap; }

/* -----------------------------------------------------------------------------
   Sections
----------------------------------------------------------------------------- */
section { padding: 72px 0; }
.bg-alt { background: var(--bg-alt); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

.section-head {
    display: flex; align-items: baseline; gap: 20px;
    margin-bottom: 40px; border-bottom: 3px solid var(--border); padding-bottom: 14px;
    flex-wrap: wrap;
}
.section-head h2 { font-size: clamp(24px, 3.5vw, 36px); font-weight: 900; letter-spacing: -0.03em; text-transform: uppercase; }
.section-head .idx { font-size: 13px; font-weight: 700; color: var(--accent); }
.section-head .count { margin-left: auto; font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-tertiary); }

.section-lead {
    font-size: 16px; color: var(--text-secondary);
    max-width: 640px; margin: -16px 0 40px;
}

.section-label {
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em;
    color: var(--accent); margin-bottom: 14px; display: block;
}

.divider { border-bottom: 1px solid var(--hairline); }

/* -----------------------------------------------------------------------------
   Grids
----------------------------------------------------------------------------- */
.grid { display: grid; gap: 1px; }
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid.grid-2 { gap: 20px; }
.grid.grid-3 { gap: 20px; }

@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------------------------
   Poster cards (products)
----------------------------------------------------------------------------- */
.poster { padding: 0; display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.poster__top {
    background: var(--text); color: #fff; padding: 16px 20px;
    display: flex; justify-content: space-between; align-items: center;
}
.poster__num { font-weight: 900; font-size: 15px; }
.poster__status {
    font-size: 10px; text-transform: uppercase; letter-spacing: .1em;
    background: #fff; color: var(--text); padding: 3px 8px; font-weight: 700;
}
.poster__body { padding: 24px 20px; flex: 1; display: flex; flex-direction: column; border: 1px solid var(--border); border-top: none; }
.poster h3, .poster__name { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; text-transform: uppercase; margin-bottom: 4px; }
.poster .tagline, .featured-card__tagline { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: 14px; font-weight: 600; }
.poster p, .featured-card__desc { font-size: 14px; color: var(--text-secondary); flex: 1; margin-bottom: 18px; }
.poster__foot { padding-top: 14px; border-top: 1px solid var(--hairline); display: flex; justify-content: flex-end; align-items: center; gap: 12px; flex-wrap: wrap; }
.poster__link, .featured-card__link {
    color: var(--text); font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em; text-decoration: none;
}
.poster__link:hover, .featured-card__link:hover { color: var(--accent); }

.featured-card__stats { display: flex; gap: 20px; margin-bottom: 18px; flex-wrap: wrap; }
.featured-card__stat { display: flex; flex-direction: column; }
.featured-card__name { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; text-transform: uppercase; margin-bottom: 4px; }
.featured-card__stat-value { font-size: 18px; font-weight: 800; display: block; line-height: 1.1; }
.featured-card__stat-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-tertiary); }

/* Poster grid with shared borders */
.posters-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .posters-grid { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------------------------
   Cards (generic)
----------------------------------------------------------------------------- */
.card {
    background: #fff; border: 1px solid var(--hairline);
    padding: 24px; transition: border-color .15s;
}
.card:hover { border-color: var(--border); }
.card--muted { background: var(--bg-alt); }
.card--accent { border: 1px solid var(--accent); }
.card__header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.card__title { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.card__desc { font-size: 14px; color: var(--text-secondary); }

.feature-card { background: #fff; border: 1px solid var(--hairline); padding: 24px; }
.feature-card h4 { font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--text-secondary); }

/* -----------------------------------------------------------------------------
   Stack section
----------------------------------------------------------------------------- */
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-card { background: #fff; border: 1px solid var(--hairline); padding: 36px 24px; text-align: center; transition: border-color .15s; }
.stack-card:hover { border-color: var(--border); }
.stack-card h3 { font-size: 32px; font-weight: 900; letter-spacing: -0.02em; text-transform: uppercase; margin-bottom: 6px; }
.stack-card__role { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); margin-bottom: 18px; }
.stack-card ul { border-top: 1px solid var(--hairline); padding-top: 14px; }
.stack-card ul li { font-size: 14px; }

/* -----------------------------------------------------------------------------
   Index table (problems)
----------------------------------------------------------------------------- */
.prow { display: grid; grid-template-columns: 60px 1fr 1fr 200px; border-bottom: 1px solid var(--hairline); transition: background .15s; }
.prow:hover { background: rgba(0,0,0,.02); }
.prow:last-child { border-bottom: none; }
.prow--head { font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); font-weight: 700; padding: 10px 0; }
.prow--head > div { padding: 10px 16px 10px 0; }
.prow--head > div:first-child { padding-left: 0; }
.prow > div { padding: 22px 16px 22px 0; }
.prow > div:first-child { padding-left: 0; }
.prow__num { font-weight: 900; font-size: 15px; color: var(--accent); }
.prow h3 { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 4px; }
.prow .current { font-size: 13.5px; color: var(--text-tertiary); }
.prow .solution { font-size: 13.5px; color: var(--text-secondary); }
.prow .product {
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
    align-self: center; border: 1px solid var(--border); padding: 6px 10px; text-align: center;
}

@media (max-width: 900px) {
    .prow { grid-template-columns: 1fr; gap: 6px; }
    .prow > div { padding: 0; }
    .prow > div:first-child { padding-top: 22px; }
    .prow > div:last-child { padding-bottom: 22px; }
    .prow--head { display: none; }
    .prow .product { justify-self: start; margin-bottom: 22px; }
}

/* -----------------------------------------------------------------------------
   Tables
----------------------------------------------------------------------------- */
.table-container { border: 1px solid var(--border); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em;
    color: var(--text-tertiary); font-weight: 700; padding: 14px 20px;
    border-bottom: 2px solid var(--border); background: var(--bg-alt);
}
tbody td { padding: 13px 20px; border-bottom: 1px solid var(--hairline); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-alt); }

/* -----------------------------------------------------------------------------
   Axioms
----------------------------------------------------------------------------- */
.axiom-list { display: flex; flex-direction: column; }
.axiom-item {
    padding: 1.25rem 1.5rem; background: #fff;
    border: 1px solid var(--hairline); border-radius: var(--radius-sm);
    display: flex; gap: 1rem; align-items: baseline;
    counter-increment: axiom;
}
.axiom-item + .axiom-item { margin-top: 10px; }
.axiom-item::before {
    content: counter(axiom, decimal-leading-zero);
    font-weight: 900; font-size: 15px; color: var(--accent); flex-shrink: 0;
}
.axiom-item strong { font-size: 0.95rem; display: block; text-transform: uppercase; letter-spacing: .02em; }
.axiom-item span { font-size: 13.5px; color: var(--text-secondary); display: block; margin-top: 2px; }

.axiom-header { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.axiom-number { font-weight: 900; font-size: 13px; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.axiom-title { font-size: 18px; font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; }
.axiom-def { font-size: 14px; }

/* -----------------------------------------------------------------------------
   Code blocks
----------------------------------------------------------------------------- */
.code-block {
    background: var(--text); color: #f5f5f5;
    padding: 1.25rem 1.5rem; overflow-x: auto;
}
.code-block pre { margin: 0; font-family: "Archivo", monospace; font-size: 13px; line-height: 1.7; }
.code-block code { font-family: "Archivo", monospace; font-size: 13px; line-height: 1.7; }

/* -----------------------------------------------------------------------------
   Badges
----------------------------------------------------------------------------- */
.badge {
    display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; padding: 3px 9px; border: 1px solid var(--border);
}
.badge--live { background: var(--text); color: #fff; }
.badge--dev { background: transparent; color: var(--text); }
.badge--alpha { background: transparent; color: var(--accent); border-color: var(--accent); }
.badge--production { background: var(--accent); color: #fff; border-color: var(--accent); }
.badge--published { background: var(--accent); color: #fff; border-color: var(--accent); }
.badge--hero { font-size: 12px; padding: 5px 14px; }

/* -----------------------------------------------------------------------------
   Stats
----------------------------------------------------------------------------- */
.stat { display: flex; flex-direction: column; }
.stat__value { font-size: 30px; font-weight: 900; letter-spacing: -0.02em; line-height: 1.1; }
.stat__label { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); margin-top: 4px; }

.ecosystem-stats { display: flex; justify-content: center; gap: 0; border: 1px solid var(--border); max-width: 720px; margin: 0 auto; flex-wrap: wrap; }
.eco-stat { padding: 28px 40px; border-right: 1px solid var(--border); flex: 1; text-align: center; }
.eco-stat:last-child { border-right: none; }
.eco-stat__value { font-size: 34px; font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; }
.eco-stat__label { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); margin-top: 4px; }

/* -----------------------------------------------------------------------------
   Lists
----------------------------------------------------------------------------- */
ul { list-style: none; }
ul li { padding: 5px 0; border-bottom: 1px solid var(--hairline); font-size: 14px; }
ul li:last-child { border-bottom: none; }
ul li::before { content: "—"; color: var(--accent); margin-right: 10px; }

/* -----------------------------------------------------------------------------
   CTA band
----------------------------------------------------------------------------- */
.cta-band { background: var(--accent); color: #fff; }
.cta-band .container { padding-top: 64px; padding-bottom: 64px; }
.cta-band h2 {
    font-size: clamp(28px, 4.5vw, 48px); font-weight: 900; letter-spacing: -0.03em;
    text-transform: uppercase; line-height: 1.05; margin-bottom: 20px; max-width: 720px;
}
.cta-band p { font-size: 16px; margin-bottom: 28px; opacity: .85; }
.cta-band .btn--solid { background: #fff; color: var(--accent); border-color: #fff; }
.cta-band .btn--solid:hover { background: var(--text); color: #fff; border-color: var(--text); }

/* -----------------------------------------------------------------------------
   Footer
----------------------------------------------------------------------------- */
footer { border-top: 3px solid var(--border); padding: 56px 0 0; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer__brand p { color: var(--text-tertiary); font-size: 13.5px; max-width: 300px; margin-top: 14px; }
.footer__col h4 { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 16px; }
.footer__col a { display: block; color: var(--text-secondary); text-decoration: none; font-size: 14px; padding: 5px 0; }
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
    margin: 48px 0; padding-top: 20px; border-top: 1px solid var(--hairline);
    display: flex; justify-content: space-between; font-size: 11px;
    text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary);
    flex-wrap: wrap; gap: 8px;
}
.footer__top {
    font-size: 11px; text-transform: uppercase; letter-spacing: .1em;
    color: var(--text-secondary); text-decoration: none;
    border-bottom: 1px solid var(--border); padding-bottom: 2px;
}
.footer__top:hover { color: var(--text); }

/* Footer contact strip */
.footer__contact {
    display: flex; justify-content: space-between; align-items: flex-end;
    gap: 24px; flex-wrap: wrap;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 32px; margin-bottom: 48px;
}
.footer__contact-label {
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em;
    color: var(--text-tertiary); display: block; margin-bottom: 10px;
}
.footer__email {
    font-size: clamp(22px, 3.5vw, 34px); font-weight: 900; letter-spacing: -0.02em;
    color: var(--text); text-decoration: none;
}
.footer__email:hover { text-decoration: underline; }
.footer__contact-meta {
    font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
    color: var(--text-secondary); text-align: right; line-height: 1.8;
}

/* Footer giant wordmark — black billboard */
.footer__giant {
    margin-top: 0;
    background: var(--text);
    color: #fff;
    padding: 56px 24px 40px;
    font-size: clamp(28px, 8vw, 220px);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: .9;
    text-transform: uppercase;
    white-space: nowrap;
    user-select: none;
    overflow: hidden;
}
.footer__giant em { color: #fff; font-style: normal; margin-left: .06em; }
.footer__giant::before {
    content: "";
    display: inline-block;
    width: .72em;
    height: .72em;
    width: 1cap;
    height: 1cap;
    margin-right: .12em;
    vertical-align: 0;
    background: url("logo-mark-white.svg") no-repeat center / contain;
}

/* Legacy footer */
.footer__content { display: flex; flex-direction: column; gap: 1.5rem; padding: 48px 32px 64px; }
.footer__links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer__links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.footer__links a:hover { color: var(--accent); }
.footer__copy { font-size: 12px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .08em; }

/* -----------------------------------------------------------------------------
   Accessibility
----------------------------------------------------------------------------- */
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 3px;
}

/* -----------------------------------------------------------------------------
   Scroll reveal — subtle fade only
----------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible, .stagger.visible { opacity: 1; transform: none; }
.stagger { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }

@media (prefers-reduced-motion: reduce) {
    .reveal, .stagger { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* -----------------------------------------------------------------------------
   Responsive
----------------------------------------------------------------------------- */
@media (max-width: 860px) {
    .hero__grid { grid-template-columns: 1fr; }
    .hero__main { border-right: none; padding: 56px 0; }
    .aside__row { padding: 20px 0; border-bottom: none; border-top: 1px solid var(--hairline); }
    .aside__row:last-child { border-bottom: 1px solid var(--hairline); }
    .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .container { padding: 0 20px; }
    section { padding: 48px 0; }
    .subnav__inner a { padding: 10px 14px; }
    .eco-stat { padding: 20px 24px; }
}