:root {
      --site-black: #000000;
      --site-white: #ffffff;
      --site-yellow: #FFC107;
      --site-purple: #6754E9;
      --site-nav-hover: #E8A33D;
      --site-red: #FF0000;
      --site-border: #E8E8E8;
      --site-muted: #5B647A;

      --bg: var(--site-white);
      --bg-2: #FAFAFA;
      --ink: var(--site-black);
      --ink-2: #1B1B1B;
      --muted: var(--site-muted);
      --line: #EEEEEE;
      --line-strong: var(--site-border);
      --amber: var(--site-yellow);
      --amber-deep: #E8A33D;
      --paper: #ffffff;
      --navy: var(--site-black);
      --page-x: clamp(0px, 4vw, 0px);
      --col: 1200px;
      --nav-h: 80px;
      --header-max: 1280px;
    }

    * {
      box-sizing: border-box
    }

    html,
    body {
      margin: 0;
      padding: 0
    }

    html {
      overflow-x: hidden;
    }

    body {
      font-family: "Inter Tight", system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--ink);
      font-size: 17px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    .serif {
      font-family: "Instrument Serif", "Times New Roman", serif;
      font-weight: 400;
      letter-spacing: -0.01em;
    }

    .mono {
      font-family: "JetBrains Mono", ui-monospace, monospace;
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    ::selection {
      background: var(--site-yellow);
      color: var(--site-black);
    }

    .wrap {
      width: 100%;
      max-width: calc(var(--col) + var(--page-x) * 2);
      margin: 0 auto;
      padding: 0 var(--page-x);
    }

    .wide {
      width: 100%;
      max-width: calc(1200px + var(--page-x) * 2);
      margin: 0 auto;
      padding: 0 var(--page-x);
    }

    /* ===== SITE NAV ===== */
    .nav {
      border-bottom: 1px solid var(--site-border);
      position: sticky;
      top: 0;
      z-index: 35;
      background: var(--site-white);
      overflow: visible;
    }

    .nav-shell {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: clamp(16px, 3vw, 40px);
      min-height: var(--nav-h);
      max-width: var(--header-max);
      margin: 0 auto;
      padding: 0 clamp(20px, 3vw, 40px);
    }

    .brand {
      display: flex;
      align-items: center;
      text-decoration: none;
      line-height: 0;
      flex-shrink: 0;
    }

    .brand-logo {
      display: block;
      height: 48px;
      width: auto;
      max-width: min(196px, 40vw);
      object-fit: contain;
      object-position: left center;
    }

    .nav-links {
      grid-column: 2;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: clamp(18px, 2.5vw, 36px);
      flex-wrap: nowrap;
      overflow: visible;
    }

    #site-nav .nav-links>a,
    #site-nav .nav-item>.nav-parent {
      color: #000000;
      text-decoration: none;
      font-family: "Inter Tight", system-ui, sans-serif;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      background: transparent;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 0;
      white-space: nowrap;
      position: relative;
      transition: color .2s ease;
      box-shadow: inset 0 -2px 0 transparent;
      -webkit-appearance: none;
      appearance: none;
    }

    #site-nav .nav-links>a:link,
    #site-nav .nav-links>a:visited,
    #site-nav .nav-item>.nav-parent {
      color: #000000;
    }

    #site-nav .nav-links>a:hover,
    #site-nav .nav-links>a:focus-visible,
    #site-nav .nav-item:hover>.nav-parent,
    #site-nav .nav-item:focus-within>.nav-parent,
    #site-nav .nav-item>.nav-parent:hover {
      color: #E8A33D !important;
      -webkit-text-fill-color: #E8A33D;
      box-shadow: inset 0 -2px 0 transparent;
    }

    #site-nav .nav-links>a.is-active,
    #site-nav .nav-item>.nav-parent.is-active {
      color: #000000;
      -webkit-text-fill-color: #000000;
      box-shadow: inset 0 -2px 0 var(--site-red);
    }

    #site-nav .nav-links>a.is-active:hover,
    #site-nav .nav-links>a.is-active:focus-visible {
      color: #E8A33D !important;
      -webkit-text-fill-color: #E8A33D;
      box-shadow: inset 0 -2px 0 transparent;
    }

    @media (min-width:901px) {
      .nav-item .caret {
        display: none;
      }
    }

    @media (min-width:901px) and (max-width:1140px) {
      .nav-links {
        gap: 14px;
      }

      .nav-links>a,
      .nav-item>.nav-parent {
        font-size: 10.5px;
        letter-spacing: 0.1em;
      }

      .nav-main-btn {
        font-size: 10px;
        padding: 10px 18px;
      }
    }

    .nav-item {
      position: relative;
    }

    .nav-item .caret {
      font-size: 10px;
      opacity: 0.65;
      transition: transform .2s;
    }

    .nav-item.is-open .caret {
      transform: rotate(180deg);
    }

    @media (min-width:901px) {
      .nav-item.has-dropdown::after {
        content: "";
        position: absolute;
        left: -24px;
        right: -24px;
        top: 100%;
        height: 18px;
      }
    }

    .nav-dropdown {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      min-width: 260px;
      padding: 14px 10px 10px;
      background: var(--site-white);
      border: 1px solid var(--site-border);
      border-radius: 14px;
      box-shadow: 0 20px 48px -24px rgba(11, 27, 51, 0.22);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity .18s ease, visibility .18s ease;
      z-index: 100;
    }

    .nav-dropdown::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 8px;
      width: 12px;
      height: 12px;
      background: var(--site-white);
      border-left: 1px solid var(--site-border);
      border-top: 1px solid var(--site-border);
      transform: translateX(-50%) rotate(45deg);
      pointer-events: none;
    }

    .nav-item:hover .nav-dropdown,
    .nav-item:focus-within .nav-dropdown,
    .nav-item.is-dropdown-open .nav-dropdown,
    .nav-item.is-open .nav-dropdown {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateX(-50%);
    }

    .nav-dropdown a {
      position: relative;
      z-index: 1;
      display: block;
      padding: 10px 12px;
      border-radius: 10px;
      color: var(--site-black);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      line-height: 1.35;
      text-transform: none;
      letter-spacing: 0;
      cursor: pointer;
      transition: color .2s ease, background .2s ease;
    }

    #site-nav .nav-dropdown a:hover,
    #site-nav .nav-dropdown a:focus-visible {
      background: var(--bg-2);
      color: #E8A33D !important;
      -webkit-text-fill-color: #E8A33D;
    }

    .nav-main-btn {
      grid-column: 3;
      background: var(--site-black);
      color: var(--site-white) !important;
      padding: 11px 24px;
      border-radius: 50px;
      font-family: "Inter Tight", system-ui, sans-serif;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
      flex-shrink: 0;
      justify-self: end;
      transition: background .25s ease, color .25s ease;
    }

    .nav-main-btn .arr {
      font-size: 14px;
      line-height: 1;
      letter-spacing: 0;
      color: var(--site-white);
    }

    .nav-main-btn:hover {
      background: #E8A33D;
      color: var(--site-white) !important
    }

    .nav-main-btn--menu {
      display: none;
    }

    .nav-toggle {
      display: none;
      grid-column: 3;
      justify-self: end;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      padding: 0;
      border: 1px solid var(--line-strong);
      border-radius: 10px;
      background: var(--paper);
      color: var(--ink);
      cursor: pointer;
      flex-shrink: 0;
    }

    .nav-toggle svg {
      display: block;
      width: 20px;
      height: 20px;
    }

    .nav-toggle .icon-close {
      display: none;
    }

    .nav.is-open .nav-toggle .icon-menu {
      display: none;
    }

    .nav.is-open .nav-toggle .icon-close {
      display: block;
    }

    body.nav-menu-open {
      overflow: hidden;
      position: fixed;
      width: 100%;
      left: 0;
      right: 0;
      touch-action: none;
    }

    body.nav-menu-open .nav-links {
      touch-action: pan-y;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
    }

    /* ===== READING PROGRESS ===== */
    .progress {
      position: fixed;
      top: 0;
      left: 0;
      height: 3px;
      background: var(--amber);
      width: 0;
      z-index: 40;
      transition: width .1s linear;
    }

    /* ===== COVER ===== */
    .cover {
      background: var(--site-black);
      color: var(--site-white);
      border-bottom: 1px solid var(--navy);
      position: relative;
      overflow: hidden;
    }

    .cover .wide {
      padding-top: 84px;
      padding-bottom: 76px;
      position: relative;
      z-index: 2;
    }

    .cover::before {
      content: "";
      position: absolute;
      right: -120px;
      top: -120px;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      border: 1px solid rgba(255, 193, 7, 0.28);
    }

    .cover::after {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      border: 1px dashed rgba(255, 193, 7, 0.4);
    }

    .cover .kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: "JetBrains Mono", monospace;
      font-size: 12px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--amber);
      border: 1px solid rgba(255, 193, 7, 0.35);
      border-radius: 999px;
      padding: 6px 14px;
    }

    .cover .kicker .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--amber);
    }

    .cover h1 {
      font-family: "Instrument Serif", serif;
      font-weight: 400;
      font-size: clamp(40px, 6.4vw, 86px);
      line-height: 0.98;
      letter-spacing: -0.02em;
      margin: 26px 0 0;
      max-width: none;
    }

    @media (min-width:641px) {
      .cover h1 {
        white-space: nowrap;
      }
    }

    .cover h1 .ital {
      font-style: italic;
      color: var(--amber);
      display: block;
      margin-top: 0.12em;
    }

    .cover .dek {
      font-size: 19px;
      line-height: 1.55;
      color: rgba(255, 255, 255, 0.82);
      max-width: 60ch;
      margin: 24px 0 0;
    }

    .cover .cover-meta {
      display: flex;
      gap: 28px;
      flex-wrap: wrap;
      margin-top: 40px;
      padding-top: 26px;
      border-top: 1px solid rgba(255, 255, 255, 0.18);
    }

    .cover .cover-meta .item .l {
      font-family: "JetBrains Mono", monospace;
      font-size: 10.5px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.55);
    }

    .cover .cover-meta .item .v {
      font-size: 14.5px;
      color: #ffffff;
      margin-top: 5px;
    }

    /* ===== BODY ===== */
    main {
      padding: 64px 0 40px;
    }

    .lede {
      font-family: "Instrument Serif", serif;
      font-weight: 400;
      font-size: clamp(24px, 3.2vw, 32px);
      line-height: 1.3;
      letter-spacing: -0.01em;
      color: var(--ink);
      margin: 0 0 8px;
    }

    .lede .amber {
      color: var(--amber-deep);
      font-style: italic;
    }

    .sec {
      padding: 46px 0;
      border-top: 1px solid var(--line);
    }

    .sec:first-of-type {
      border-top: none;
      padding-top: 8px;
    }

    .sec-tag {
      font-family: "JetBrains Mono", monospace;
      font-size: 12px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
    }

    .sec-tag .n {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--navy);
      color: #fff;
      display: grid;
      place-items: center;
      font-size: 12px;
      flex-shrink: 0;
    }

    .sec h2 {
      font-family: "Instrument Serif", serif;
      font-weight: 400;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.06;
      letter-spacing: -0.015em;
      margin: 0 0 22px;
      text-wrap: balance;
    }

    .sec h2 .ital {
      font-style: italic;
      color: var(--amber-deep);
    }

    .sec p {
      margin: 0 0 20px;
      color: var(--ink-2);
    }

    .sec p strong {
      color: var(--ink);
      font-weight: 600;
    }

    .sec p.first::first-letter {
      font-family: "Instrument Serif", serif;
      float: left;
      font-size: 64px;
      line-height: 0.7;
      padding: 8px 12px 0 0;
      color: var(--amber-deep);
    }

    /* problem / challenge list */
    .stack {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin: 8px 0 0;
      border-top: 1px solid var(--line);
    }

    .stack .row {
      padding: 22px 0;
      border-bottom: 1px solid var(--line);
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 18px;
      align-items: start;
    }

    .stack .row .ix {
      font-family: "Instrument Serif", serif;
      font-size: 22px;
      color: var(--amber-deep);
      line-height: 1.1;
    }

    .stack .row h3 {
      font-family: "Inter Tight", sans-serif;
      font-size: 18px;
      font-weight: 600;
      margin: 0 0 6px;
      color: var(--ink);
    }

    .stack .row p {
      font-size: 15.5px;
      margin: 0;
      color: var(--ink-2);
    }

    .sec-problems {
      margin-top: 8px;
      padding: 34px 28px 30px;
      border: 1px solid var(--line-strong);
      border-radius: 20px;
      background: linear-gradient(180deg, #FFFFFF 0%, #FFFCF4 100%);
      box-shadow: 0 12px 34px -26px rgba(0, 0, 0, 0.25);
    }

    .sec-problems .sec-tag {
      margin-bottom: 12px;
    }

    .sec-problems h2 {
      margin-bottom: 16px;
    }

    .sec-problems .stack {
      margin-top: 16px;
      border-top: none;
      gap: 10px;
    }

    .sec-problems .stack .row {
      padding: 16px 16px 16px 14px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--site-white);
      grid-template-columns: 42px 1fr;
      gap: 14px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

    .sec-problems .stack .row:hover {
      border-color: #F4D37A;
      box-shadow: 0 10px 22px -18px rgba(232, 163, 61, 0.45);
      transform: translateY(-1px);
    }

    .sec-problems .stack .row .ix {
      width: 32px;
      height: 32px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      font-size: 12px;
      font-family: "JetBrains Mono", monospace;
      color: var(--site-black);
      background: #FFF6DA;
      border: 1px solid #F1DE9E;
      line-height: 1;
      margin-top: 1px;
    }

    .sec-problems .stack .row h3 {
      margin-bottom: 4px;
      font-size: 17px;
    }

    .sec-problems .stack .row p {
      font-size: 14.5px;
      line-height: 1.55;
    }

    .sec-challenges {
      margin-top: 10px;
      padding: 34px 28px 30px;
      border: 1px solid var(--line-strong);
      border-radius: 20px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F7F7F7 100%);
      box-shadow: 0 12px 34px -26px rgba(0, 0, 0, 0.22);
    }

    .sec-challenges .sec-tag {
      margin-bottom: 12px;
    }

    .sec-challenges h2 {
      margin-bottom: 16px;
    }

    .sec-challenges .stack {
      margin-top: 16px;
      border-top: none;
      gap: 10px;
    }

    .sec-challenges .stack .row {
      padding: 16px 16px 16px 14px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--site-white);
      grid-template-columns: 42px 1fr;
      gap: 14px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

    .sec-challenges .stack .row:hover {
      border-color: #D9D9D9;
      box-shadow: 0 10px 22px -18px rgba(0, 0, 0, 0.22);
      transform: translateY(-1px);
    }

    .sec-challenges .stack .row .ix {
      width: 32px;
      height: 32px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      font-size: 14px;
      font-family: "JetBrains Mono", monospace;
      color: var(--site-black);
      background: #F6F6F6;
      border: 1px solid #E6E6E6;
      line-height: 1;
      margin-top: 1px;
    }

    .sec-challenges .stack .row h3 {
      margin-bottom: 4px;
      font-size: 17px;
    }

    .sec-challenges .stack .row p {
      font-size: 14.5px;
      line-height: 1.55;
    }

    /* key findings bar */
    .exec-bar {
      margin: 0 0 8px;
      padding: 28px 0 10px;
      border-bottom: 1px solid var(--line);
    }

    .exec-bar .exec-label {
      font-family: "JetBrains Mono", monospace;
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--amber-deep);
      margin-bottom: 16px;
    }

    .exec-finds {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px 20px;
    }

    .exec-find {
      font-size: 14.5px;
      line-height: 1.6;
      color: var(--ink-2);
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }

    .exec-find::before {
      content: "→";
      color: var(--amber-deep);
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 1px;
    }

    /* benchmark table */
    .bench-table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0 8px;
      font-size: 14.5px;
      border: 1px solid var(--line-strong);
      border-radius: 16px;
      overflow: hidden;
    }

    .bench-table th {
      background: var(--site-black);
      color: var(--amber);
      font-family: "JetBrains Mono", monospace;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      padding: 14px 16px;
      text-align: left;
    }

    .bench-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--line);
      color: var(--ink-2);
      vertical-align: top;
      line-height: 1.5;
      background: var(--site-white);
    }

    .bench-table tr:last-child td {
      border-bottom: none;
    }

    .bench-table tr:nth-child(even) td {
      background: var(--bg-2);
    }

    .bench-table .td-b {
      font-weight: 600;
      color: var(--ink);
    }

    .bench-table .td-g {
      color: #1F7A4D;
      font-weight: 600;
    }

    .bench-table .td-r {
      color: #922B2B;
      font-weight: 600;
    }

    .pull-note {
      font-family: "Instrument Serif", serif;
      font-size: clamp(20px, 2.6vw, 24px);
      font-style: italic;
      color: var(--ink);
      line-height: 1.45;
      margin: 28px 0;
      padding: 4px 0 4px 24px;
      border-left: 3px solid var(--amber-deep);
    }

    .wp-foot {
      font-size: 13px;
      color: var(--muted);
      font-style: italic;
      line-height: 1.7;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 22px;
    }

    .tag-list .tag {
      font-family: "JetBrains Mono", monospace;
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--muted);
      background: var(--bg-2);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 5px 12px;
    }

    /* phase cards */
    .phases {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 10px;
    }

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

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

    @media (max-width:640px) {
      .phases {
        grid-template-columns: 1fr;
      }
    }

    .phase {
      border: 1px solid var(--line-strong);
      border-radius: 16px;
      padding: 26px;
      background: var(--bg-2);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .phase .days {
      font-family: "JetBrains Mono", monospace;
      font-size: 11px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--amber-deep);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .phase .days::before {
      content: "";
      width: 20px;
      height: 1px;
      background: var(--amber-deep);
    }

    .phase h3 {
      font-family: "Instrument Serif", serif;
      font-weight: 400;
      font-size: 25px;
      line-height: 1.12;
      margin: 0;
      letter-spacing: -0.01em;
    }

    .phase p {
      font-size: 14.5px;
      line-height: 1.55;
      color: var(--ink-2);
      margin: 0;
    }

    .phase .pn {
      position: absolute;
      right: 18px;
      top: 14px;
      font-family: "Instrument Serif", serif;
      font-size: 46px;
      color: var(--line-strong);
      line-height: 1;
    }

    /* before/after */
    .ba {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 8px;
    }

    @media (max-width:640px) {
      .ba {
        grid-template-columns: 1fr;
      }
    }

    .ba-card {
      border: 1px solid var(--line-strong);
      border-radius: 16px;
      overflow: hidden;
    }

    .ba-card .ba-head {
      padding: 16px 22px;
      font-family: "JetBrains Mono", monospace;
      font-size: 12px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .ba-card.before .ba-head {
      background: var(--bg-2);
      color: var(--muted);
      border-bottom: 1px solid var(--line);
    }

    .ba-card.after .ba-head {
      background: var(--navy);
      color: var(--amber);
    }

    .ba-row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 14px;
      padding: 13px 22px;
      border-bottom: 1px solid var(--line);
      font-size: 14.5px;
    }

    .ba-row:last-child {
      border-bottom: none;
    }

    .ba-row .k {
      color: var(--ink-2);
    }

    .ba-card.before .ba-row .v {
      font-family: "JetBrains Mono", monospace;
      font-size: 13px;
      color: var(--muted);
    }

    .ba-card.after .ba-row .v {
      font-family: "JetBrains Mono", monospace;
      font-size: 13px;
      color: var(--ink);
      font-weight: 500;
    }

    .ba-card.after .ba-row .v b {
      color: var(--amber-deep);
    }

    /* big stats */
    .bigstats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
      margin-top: 30px;
      border: 1px solid var(--line-strong);
      border-radius: 16px;
      overflow: hidden;
      background: var(--site-black);
      color: #ffffff;
    }

    @media (max-width:760px) {
      .bigstats {
        grid-template-columns: 1fr 1fr;
      }
    }

    .bigstats .bs {
      padding: 26px 22px;
      border-right: 1px solid rgba(255, 255, 255, 0.16);
    }

    .bigstats .bs:last-child {
      border-right: none;
    }

    @media (max-width:760px) {
      .bigstats .bs:nth-child(2n) {
        border-right: none;
      }

      .bigstats .bs:nth-child(n+3) {
        border-top: 1px solid rgba(255, 255, 255, 0.16);
      }
    }

    .bigstats .bs .n {
      font-family: "Instrument Serif", serif;
      font-size: 48px;
      line-height: 0.9;
      color: #fff;
    }

    .bigstats .bs .n .amber {
      color: var(--amber);
    }

    .bigstats .bs .l {
      font-size: 12.5px;
      color: rgba(255, 255, 255, 0.72);
      margin-top: 10px;
    }

    .note {
      font-size: 14px;
      color: var(--muted);
      font-style: italic;
      margin-top: 18px;
      padding: 16px 20px;
      border-left: 2px solid var(--amber);
      background: var(--bg-2);
    }

    /* pull quote / closing */
    .closing {
      background: var(--bg-2);
      border-top: 1px solid var(--line);
    }

    .closing .wrap {
      padding-top: 56px;
      padding-bottom: 64px;
    }

    .closing .sec-tag {
      margin-bottom: 16px;
    }

    .closing blockquote {
      margin: 0;
      font-family: "Instrument Serif", serif;
      font-weight: 400;
      font-size: clamp(24px, 3.2vw, 34px);
      line-height: 1.28;
      letter-spacing: -0.01em;
      color: var(--ink);
    }

    .closing blockquote .amber {
      color: var(--amber-deep);
      font-style: italic;
    }

    /* CTA */
    .cta-band {
      background: var(--site-black);
      color: #ffffff;
    }

    .cta-band .wide {
      padding-top: 56px;
      padding-bottom: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .cta-band h3 {
      font-family: "Instrument Serif", serif;
      font-weight: 400;
      font-size: clamp(28px, 3.6vw, 40px);
      line-height: 1.05;
      margin: 0;
      max-width: none;
    }

    .cta-band h3 .ital {
      font-style: italic;
      color: var(--amber);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 15px 26px;
      border-radius: 999px;
      text-decoration: none;
      font-size: 15px;
      font-weight: 500;
      background: var(--site-yellow);
      color: var(--site-black);
      transition: background .2s, color .2s, transform .2s;
    }

    .btn:hover {
      background: #ffc501;
      color: #ffffff;
      transform: translateY(-2px);
    }

    .footer-sitemap-section {
      background: var(--site-black);
      color: #ffffff;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: clamp(28px, 3.5vw, 36px) 0 clamp(18px, 3vw, 18px);
    }

    .footer-sitemap-section .wide {
      max-width: var(--header-max);
      margin: 0 auto;
      padding-left: clamp(20px, 3vw, 40px);
      padding-right: clamp(20px, 3vw, 40px);
    }

    .footer-sitemap-title {
      margin: 0 0 16px;
      font-family: "JetBrains Mono", monospace;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.45);
      line-height: 1.2;
    }

    .footer-sitemap-row {
      margin: 0 0 20px;
    }

    .footer-sitemap-cols {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px clamp(20px, 2.5vw, 32px);
      align-items: start;
    }

    .footer-sol-col {
      display: flex;
      flex-direction: column;
      gap: 10px;
      min-width: 0;
    }

    .footer-sol-col a {
      color: rgba(255, 255, 255, 0.88);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      line-height: 1.35;
      transition: color .2s ease;
    }

    .footer-sol-col a:hover {
      color: var(--site-yellow);
    }

    .footer-sitemap-industry {
      display: grid;
      grid-template-columns: repeat(7, minmax(0, 1fr));
      align-items: stretch;
      width: 100%;
      margin: 0;
      padding: 0;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 4px;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.04);
    }

    .footer-sitemap-industry a {
      min-width: 0;
      margin: 0;
      padding: 12px clamp(6px, 1vw, 12px);
      display: flex;
      align-items: center;
      justify-content: center;
      border-right: 1px solid rgba(255, 255, 255, 0.14);
      border-bottom: 1px solid rgba(255, 255, 255, 0.14);
      color: rgba(255, 255, 255, 0.78);
      text-decoration: none;
      font-size: clamp(10px, 1vw, 13px);
      font-weight: 500;
      letter-spacing: 0.06em;
      line-height: 1.3;
      text-align: center;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      transition: color .2s ease, background .2s ease;
    }

    .footer-sitemap-industry a:nth-child(7n) {
      border-right: none;
    }

    .footer-sitemap-industry a:nth-last-child(-n+6) {
      border-bottom: none;
    }

    .footer-sitemap-industry a:last-child:nth-child(7n+6) {
      border-right: 1px solid rgba(255, 255, 255, 0.14);
    }

    .footer-sitemap-industry a:hover:not(.is-current) {
      color: var(--site-yellow);
      background: rgba(255, 255, 255, 0.06);
    }

    .footer-sitemap-industry a.is-current,
    .footer-sitemap-industry a.is-current:hover,
    .footer-sitemap-industry a.is-current:focus {
      color: var(--site-black);
      font-weight: 600;
      background: var(--site-yellow);
    }

    .footer-copy {
      margin: 20px 0 0;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 12px;
      color: rgba(255, 255, 255, 0.4);
      text-align: center;
    }

    @media (max-width:640px) {
      body {
        font-size: 16px;
      }

      .wrap,
      .wide {
        padding-left: 14px;
        padding-right: 14px;
      }

      .cover .wide {
        padding-top: 44px;
        padding-bottom: 40px;
      }

      .cover .kicker {
        font-size: 10px;
        letter-spacing: 0.1em;
        padding: 6px 10px;
        gap: 8px;
      }

      .cover h1 {
        margin-top: 16px;
        font-size: clamp(28px, 7.4vw, 40px);
        line-height: 1.08;
        white-space: normal;
        text-wrap: balance;
        overflow-wrap: break-word;
      }

      .cover h1 .ital {
        margin-top: 10px;
        font-size: clamp(22px, 6.2vw, 34px);
        line-height: 1.18;
        letter-spacing: -0.01em;
      }

      .cover .dek {
        margin-top: 14px;
        font-size: 16px;
        line-height: 1.55;
      }

      .cover .cover-meta {
        margin-top: 22px;
        padding-top: 14px;
        gap: 14px 18px;
      }

      .cover .cover-meta .item .l {
        font-size: 9px;
      }

      .cover .cover-meta .item .v {
        font-size: 13px;
        margin-top: 4px;
      }

      main {
        padding: 36px 0 22px;
      }

      .sec {
        padding: 28px 0;
      }

      .sec h2 {
        margin-bottom: 12px;
        font-size: clamp(28px, 8.8vw, 38px);
        line-height: 1.12;
      }

      .sec p {
        margin-bottom: 14px;
      }

      .sec p.first::first-letter {
        font-size: 44px;
        padding: 5px 8px 0 0;
      }

      .sec-tag {
        font-size: 10px;
        letter-spacing: 0.1em;
        gap: 8px;
        margin-bottom: 12px;
      }

      .sec-tag .n {
        width: 24px;
        height: 24px;
        font-size: 10px;
      }

      .stack .row {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .stack .row .ix {
        font-size: 18px;
      }

      .sec-problems {
        padding: 22px 16px 18px;
        border-radius: 14px;
      }

      .sec-problems .stack {
        margin-top: 12px;
        gap: 8px;
      }

      .sec-problems .stack .row {
        grid-template-columns: 32px 1fr;
        padding: 12px 12px 12px 10px;
        gap: 10px;
        align-items: start;
      }

      .sec-problems .stack .row .ix {
        width: 26px;
        height: 26px;
        border-radius: 8px;
        font-size: 10px;
      }

      .sec-problems .stack .row h3 {
        font-size: 15px;
      }

      .sec-problems .stack .row p {
        font-size: 13.5px;
      }

      .sec-challenges {
        padding: 22px 16px 18px;
        border-radius: 14px;
      }

      .sec-challenges .stack {
        margin-top: 12px;
        gap: 8px;
      }

      .sec-challenges .stack .row {
        grid-template-columns: 32px 1fr;
        padding: 12px 12px 12px 10px;
        gap: 10px;
        align-items: start;
      }

      .sec-challenges .stack .row .ix {
        width: 26px;
        height: 26px;
        border-radius: 8px;
        font-size: 11px;
      }

      .sec-challenges .stack .row h3 {
        font-size: 15px;
      }

      .sec-challenges .stack .row p {
        font-size: 13.5px;
      }

      .phase {
        padding: 16px;
        border-radius: 12px;
        gap: 8px;
      }

      .phase .pn {
        right: 12px;
        top: 10px;
        font-size: 34px;
      }

      .phase h3 {
        font-size: 21px;
      }

      .phase p {
        font-size: 13.5px;
      }

      .ba {
        gap: 12px;
        margin-top: 10px;
      }

      .ba-card {
        border-radius: 12px;
      }

      .ba-card .ba-head {
        padding: 12px 14px;
        font-size: 10px;
      }

      .ba-row {
        padding: 10px 14px;
        font-size: 13.5px;
        gap: 10px;
        align-items: flex-start;
        flex-direction: column;
      }

      .ba-card.before .ba-row .v,
      .ba-card.after .ba-row .v {
        font-size: 12px;
      }

      .bigstats {
        margin-top: 20px;
        border-radius: 12px;
        grid-template-columns: 1fr 1fr;
      }

      .bigstats .bs {
        padding: 18px 14px;
      }

      .bigstats .bs .n {
        font-size: 34px;
      }

      .bigstats .bs .l {
        font-size: 11.5px;
        margin-top: 8px;
      }

      .note {
        margin-top: 14px;
        font-size: 13px;
        padding: 12px 14px;
      }

      .exec-finds {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .exec-find {
        font-size: 13.5px;
      }

      .bench-table {
        font-size: 12.5px;
        border-radius: 12px;
      }

      .bench-table th,
      .bench-table td {
        padding: 10px 12px;
      }

      .pull-note {
        font-size: 18px;
        padding-left: 16px;
        margin: 20px 0;
      }

      .wp-foot {
        font-size: 12px;
      }

      .closing .wrap {
        padding-top: 34px;
        padding-bottom: 36px;
      }

      .closing blockquote {
        font-size: 28px;
        line-height: 1.28;
      }

      .cta-band .wide {
        padding-top: 34px;
        padding-bottom: 34px;
        gap: 16px;
        align-items: flex-start;
      }

      .cta-band h3 {
        font-size: 30px;
        max-width: 100%;
      }

      .btn {
        width: 100%;
        justify-content: center;
        padding: 13px 16px;
        font-size: 14px;
      }

      .cta-band .wide {
        padding-bottom: 28px;
      }

      .footer-sitemap-section {
        padding: 24px 0 20px;
      }

      .footer-sitemap-section .wide {
        padding-left: 14px;
        padding-right: 14px;
      }

      .footer-sitemap-cols {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 16px;
      }

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

      .footer-sitemap-industry a {
        border: 0;
        border-right: 1px solid rgba(255, 255, 255, 0.14);
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
        padding: 10px 8px;
        font-size: 10px;
      }

      .footer-sitemap-industry a:nth-child(7n) {
        border-right: 1px solid rgba(255, 255, 255, 0.14);
      }

      .footer-sitemap-industry a:nth-child(3n) {
        border-right: none;
      }

      .footer-sitemap-industry a:nth-last-child(-n+6) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
      }

      .footer-sitemap-industry a:last-child:nth-child(3n+1) {
        border-right: 1px solid rgba(255, 255, 255, 0.14);
      }

      .footer-copy {
        margin-top: 14px;
        padding-top: 14px;
      }

      .nav-shell {
        padding: 0 14px;
      }

      .brand-logo {
        height: 42px;
        max-width: 150px;
      }
    }

    @media (max-width:520px) {
      .footer-sitemap-cols {
        grid-template-columns: 1fr;
      }

      .footer-sitemap-industry {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-sitemap-industry a:nth-child(7n) {
        border-right: 1px solid rgba(255, 255, 255, 0.14);
      }

      .footer-sitemap-industry a:nth-child(3n) {
        border-right: 1px solid rgba(255, 255, 255, 0.14);
      }

      .footer-sitemap-industry a:nth-child(2n) {
        border-right: none;
      }

      .footer-sitemap-industry a:nth-last-child(-n+6) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
      }

      .footer-sitemap-industry a:last-child:nth-child(odd) {
        border-right: 1px solid rgba(255, 255, 255, 0.14);
      }
    }

    @media (max-width:900px) {
      .nav-shell {
        grid-template-columns: auto 1fr auto;
      }

      .nav-toggle {
        display: flex;
      }

      .nav-main-btn--header {
        display: none;
      }

      .nav-main-btn--menu {
        display: inline-flex;
        justify-content: center;
        width: 100%;
        margin-top: 10px;
        padding: 14px 22px;
      }

      .nav-links {
        grid-column: 1 / -1;
        position: fixed;
        left: 0;
        right: 0;
        top: var(--nav-h);
        z-index: 34;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 14px 24px;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: saturate(140%) blur(14px);
        -webkit-backdrop-filter: saturate(140%) blur(14px);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 18px 40px -24px rgba(11, 27, 51, 0.2);
        max-height: calc(100dvh - var(--nav-h));
        overflow-y: auto;
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity .2s ease, transform .2s ease, visibility .2s;
      }

      .nav.is-open .nav-links {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
      }

      .nav-links>a,
      .nav-item>.nav-parent {
        display: flex;
        width: 100%;
        justify-content: space-between;
        padding: 14px 0;
        border-bottom: 1px solid var(--line);
        font-size: 15px;
      }

      .nav-item {
        border-bottom: 1px solid var(--line);
      }

      .nav-item>.nav-parent {
        border-bottom: none;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
      }

      .nav-item .caret {
        display: inline-block;
      }

      .nav-item.has-dropdown .nav-dropdown,
      .nav-item.is-open .nav-dropdown,
      .nav-item.is-dropdown-open .nav-dropdown,
      .nav-item:hover .nav-dropdown,
      .nav-item:focus-within .nav-dropdown {
        position: static;
        left: auto;
        transform: none !important;
        min-width: 0;
      }

      .nav-dropdown {
        position: static;
        transform: none !important;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        box-shadow: none;
        border: none;
        padding: 0 0 0 12px;
        min-width: 0;
        max-height: 0;
        overflow: hidden;
        display: block !important;
        transition: max-height .28s ease, padding .28s ease;
      }

      .nav-dropdown::before {
        display: none;
      }

      .nav-item.is-open .nav-dropdown {
        max-height: 520px;
        padding: 6px 0 10px 12px;
      }

      .nav-dropdown a {
        padding: 10px 0;
        border-bottom: 1px dashed var(--line);
        border-radius: 0;
        font-size: 14px;
      }

      .nav-dropdown a:last-child {
        border-bottom: none;
      }
    }