:root {
        --bg: #101210;
        --panel: #171a17;
        --ink: #f3efe6;
        --muted: #a39c90;
        --faint: #6f6a62;
        --line: rgba(243, 239, 230, 0.14);
        --brass: #e2a44c;
        --sans: "Sora", "Segoe UI", sans-serif;
        --mono: "IBM Plex Mono", ui-monospace, monospace;
      }
      * { box-sizing: border-box; }
      html { scroll-behavior: smooth; }
      body {
        margin: 0;
        color: var(--ink);
        font-family: var(--sans);
        background-color: var(--bg);
        background-image:
          linear-gradient(rgba(243, 239, 230, 0.035) 1px, transparent 1px),
          linear-gradient(90deg, rgba(243, 239, 230, 0.035) 1px, transparent 1px);
        background-size: 72px 72px;
      }
      a { color: inherit; }
      .wrap { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
      header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        padding: 28px 0 8px;
      }
      .mark {
        display: inline-flex;
        align-items: center;
        text-decoration: none;
      }
      .mark img { height: 40px; width: auto; display: block; }
      nav { display: flex; gap: 22px; }
      nav a {
        color: var(--muted);
        font-family: var(--mono);
        font-size: 12px;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        text-decoration: none;
      }
      nav a:hover { color: var(--ink); }
      .hero { padding: 64px 0 12px; }
      .banner, .section-photo {
        border: 1px solid var(--line);
        border-radius: 8px;
        overflow: hidden;
        background: #0c0e0c;
      }
      .banner { margin: 36px 0 8px; height: min(48vh, 440px); }
      .section-photo { margin: 0 0 28px; height: 240px; }
      .banner img, .section-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
      .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-top: 8px; }
      .steps div { padding-top: 12px; border-top: 1px solid var(--line); }
      .steps small {
        color: var(--brass);
        font-family: var(--mono);
        font-size: 11px;
        letter-spacing: 0.14em;
      }
      .steps strong { display: block; margin: 8px 0 6px; font-weight: 500; }
      .steps p { margin: 0; color: var(--faint); font-size: 14px; line-height: 1.45; }
      .kicker {
        margin: 0 0 16px;
        color: var(--brass);
        font-family: var(--mono);
        font-size: 12px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
      }
      h1 {
        margin: 0;
        max-width: 14ch;
        font-size: clamp(46px, 6vw, 76px);
        font-weight: 500;
        letter-spacing: -0.045em;
        line-height: 0.96;
      }
      .lead {
        max-width: 40rem;
        margin: 24px 0 0;
        color: var(--muted);
        font-size: 18px;
        line-height: 1.55;
      }
      .practices {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 18px;
        margin: 48px 0 10px;
      }
      .practices a {
        display: block;
        padding: 18px 0 0;
        border-top: 1px solid var(--line);
        text-decoration: none;
      }
      .practices span {
        display: block;
        margin-bottom: 8px;
        color: var(--brass);
        font-family: var(--mono);
        font-size: 12px;
      }
      .practices strong { display: block; font-weight: 500; font-size: 18px; }
      .practices em {
        display: block;
        margin-top: 8px;
        color: var(--faint);
        font-style: normal;
        font-size: 14px;
        line-height: 1.45;
      }
      section.block { padding: 72px 0; }
      section.block h2 {
        margin: 0 0 12px;
        font-size: clamp(32px, 4vw, 44px);
        font-weight: 500;
        letter-spacing: -0.04em;
      }
      .split {
        display: grid;
        grid-template-columns: 0.9fr 1.1fr;
        gap: 36px;
        align-items: center;
      }
      .prose { color: var(--muted); font-size: 16px; line-height: 1.6; }
      .prose p { margin: 0 0 14px; }
      .snippet {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: 8px;
        overflow: hidden;
      }
      .snippet header, .snip-head {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        padding: 10px 14px;
        border-bottom: 1px solid var(--line);
        color: var(--faint);
        font-family: var(--mono);
        font-size: 11px;
        letter-spacing: 0.12em;
        text-transform: uppercase;
      }
      .readout {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
      }
      .readout div { padding: 14px; border-right: 1px solid var(--line); }
      .readout div:last-child { border-right: 0; }
      .readout small, .lesson small, .cells small {
        display: block;
        margin-bottom: 6px;
        color: var(--faint);
        font-family: var(--mono);
        font-size: 10px;
        letter-spacing: 0.14em;
      }
      .readout b { font-size: 20px; font-weight: 500; }
      .chart {
        height: 92px;
        margin: 0 14px 14px;
        border: 1px solid var(--line);
        background:
          linear-gradient(rgba(226, 164, 76, 0.9), rgba(226, 164, 76, 0.9)) 18% 70% / 8px 8px no-repeat,
          linear-gradient(var(--brass), var(--brass)) 18% 74% / 46% 1px no-repeat,
          radial-gradient(circle at 70% 40%, rgba(243, 239, 230, 0.08), transparent 42%),
          #121412;
      }
      .lesson, .cells { padding: 14px; display: grid; gap: 10px; }
      .lesson article, .cells li {
        padding: 12px;
        border: 1px solid var(--line);
        list-style: none;
      }
      .cells { margin: 0; }
      .lesson strong, .cells strong { font-weight: 500; }
      .lesson p, .cells p { margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
      .tag {
        display: inline-block;
        margin-top: 8px;
        color: var(--brass);
        font-family: var(--mono);
        font-size: 11px;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }
      footer {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        padding: 28px 0 40px;
        border-top: 1px solid var(--line);
        color: var(--muted);
        font-family: var(--mono);
        font-size: 12px;
        letter-spacing: 0.06em;
      }
      .more { margin: 18px 0 0; }
      .more a {
        color: var(--brass);
        font-family: var(--mono);
        font-size: 12px;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        text-decoration: none;
      }
      nav a[aria-current="page"] { color: var(--ink); }
      .page-hero { padding: 48px 0 8px; }
      .page-hero h1 { max-width: 16ch; font-size: clamp(40px, 5vw, 64px); }
      .contact-mail {
        display: inline-block;
        margin: 8px 0 28px;
        color: var(--ink);
        font-size: 22px;
        text-decoration: none;
        border-bottom: 1px solid var(--brass);
      }
      form.contact { display: grid; gap: 14px; max-width: 520px; }
      form.contact label { display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
      form.contact input, form.contact textarea {
        width: 100%;
        padding: 12px 14px;
        border: 1px solid var(--line);
        border-radius: 4px;
        background: var(--panel);
        color: var(--ink);
        font: inherit;
      }
      form.contact textarea { min-height: 140px; resize: vertical; }
      .flow-block { margin-top: 48px; }
      .flow-block h2 { margin-bottom: 18px; }
      .flow {
        position: relative;
        list-style: none;
        margin: 0;
        padding: 0 0 0 28px;
        display: grid;
        gap: 10px;
      }
      .flow::before {
        content: "";
        position: absolute;
        left: 7px;
        top: 22px;
        bottom: 22px;
        width: 1px;
        background: rgba(226, 164, 76, 0.7);
      }
      .flow li {
        position: relative;
        display: grid;
        grid-template-columns: 36px minmax(150px, 210px) 1fr;
        gap: 8px 16px;
        align-items: baseline;
        margin: 0;
        padding: 12px 16px;
        border: 1px solid var(--line);
        background: var(--panel);
      }
      .flow li::before {
        content: "";
        position: absolute;
        left: -25px;
        top: 50%;
        width: 7px;
        height: 7px;
        margin-top: -4px;
        border: 1px solid var(--brass);
        background: var(--bg);
        transform: rotate(45deg);
      }
      .flow span {
        color: var(--brass);
        font-family: var(--mono);
        font-size: 12px;
        letter-spacing: 0.12em;
      }
      .flow strong { font-weight: 500; }
      .flow em {
        color: var(--faint);
        font-style: normal;
        font-size: 14px;
      }
      .flow-note {
        margin: 16px 0 0;
        color: var(--muted);
        font-size: 14px;
        line-height: 1.5;
      }
      form.contact button {
        justify-self: start;
        padding: 12px 18px;
        border: 0;
        background: var(--brass);
        color: #101210;
        font: inherit;
        font-weight: 500;
        cursor: pointer;
      }
      @media (max-width: 800px) {
        header { align-items: flex-start; flex-direction: column; }
        nav { flex-wrap: wrap; }
        .practices, .split, .readout, .steps { grid-template-columns: 1fr; }
        .flow li { grid-template-columns: 36px 1fr; }
        .flow em { grid-column: 2; }
        .banner { height: 220px; }
        .readout div { border-right: 0; border-bottom: 1px solid var(--line); }
        .hero { padding-top: 40px; }
        section.block { padding: 48px 0; }
      }