:root {
    --paper: #f4efe5;
    --paper-2: #ebe4d4;
    --ink: #14140f;
    --ink-2: #3a3a31;
    --ink-3: #6b6b5e;
    --rule: #1414141a;
    --rule-strong: #14141430;
    --copper: oklch(0.5 0.09 175);
    --copper-deep: oklch(0.4 0.09 175);
    --copper-tint: oklch(0.93 0.035 175);
    --sans: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
    --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: var(--sans);
    background: var(--paper);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    font-size: 17px;
  }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }

  .wrap {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 40px;
  }

  /* ============ NAV ============ */
  .nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--paper) 86%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--rule);
  }
  .nav-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 32px;
    height: 68px;
  }
  .wordmark {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--serif);
    font-weight: 500;
    font-size: 19px;
    letter-spacing: -0.01em;
  }
  .wordmark .mark {
    width: 26px; height: 26px;
    display: grid; place-items: center;
  }
  .wordmark .mark svg { display: block; }
  .nav-links {
    display: flex;
    gap: 32px;
    font-size: 14.5px;
    color: var(--ink-2);
    justify-self: center;
  }
  .nav-links a {
    transition: color .15s;
  }
  .nav-links a:hover { color: var(--copper-deep); }
  .nav-links a[aria-current="page"] { color: var(--ink); position: relative; }
  .nav-links a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -22px;
    height: 2px;
    background: var(--copper-deep);
  }
  .nav-cta {
    display: inline-flex;
    justify-self: end;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    transition: background .15s, color .15s;
  }
  .nav-cta:hover { background: var(--copper-deep); border-color: var(--copper-deep); }
  .nav-cta .arrow { transition: transform .2s; }
  .nav-cta:hover .arrow { transform: translateX(3px); }
  .nav-spacer { justify-self: end; width: 1px; height: 1px; }

  /* ============ COMMON ============ */
  .tag {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .tag::before {
    content: "";
    width: 8px; height: 8px;
    background: var(--copper);
    border-radius: 50%;
    display: inline-block;
  }
  .tag.no-dot::before { display: none; }

  h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; margin: 0; }
  p { margin: 0; }
  .lead { font-size: 19px; color: var(--ink-2); line-height: 1.55; text-wrap: pretty; max-width: 60ch; }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: transform .15s, background .15s, color .15s, border-color .15s;
  }
  .btn:hover { transform: translateY(-1px); }
  .btn .arrow { transition: transform .2s; }
  .btn:hover .arrow { transform: translateX(3px); }
  .btn-primary { background: var(--ink); color: var(--paper); }
  .btn-primary:hover { background: var(--copper-deep); }
  .btn-secondary { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
  .btn-secondary:hover { border-color: var(--ink); }
  .btn-ghost { padding: 10px 0; color: var(--ink); border-radius: 0; border-bottom: 1px solid var(--ink); }
  .btn-ghost:hover { color: var(--copper-deep); border-color: var(--copper-deep); }

  section { padding: 96px 0; border-bottom: 1px solid var(--rule); }
  section.tight { padding: 64px 0; }
  section.page-section { padding-top: 16px; }

  .page-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 28px;
  }
  .back-link {
    display: inline-flex;
    align-items: center;
    font-size: 16px;
    color: var(--ink-2);
    transition: color .15s, transform .2s;
  }
  .back-link:hover {
    color: var(--copper-deep);
    transform: translateX(-3px);
  }

  .section-head {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 56px;
  }
  .section-head .h2 {
    font-size: clamp(36px, 4.2vw, 56px);
    line-height: 1.02;
    text-wrap: balance;
  }
  .section-head .sub {
    margin-top: 18px;
    color: var(--ink-2);
    font-size: 18px;
    max-width: 55ch;
    line-height: 1.55;
    text-wrap: pretty;
  }

  /* ============ HERO ============ */
  .hero {
    padding: 72px 0 88px;
    border-bottom: 1px solid var(--rule);
    position: relative;
    overflow: hidden;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero-lower {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: end;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-2);
    padding: 8px 14px;
    background: var(--paper-2);
    border-radius: 999px;
    margin-bottom: 32px;
  }
  .hero-eyebrow .pulse {
    width: 7px; height: 7px;
    background: var(--copper);
    border-radius: 50%;
    box-shadow: 0 0 0 0 var(--copper);
    animation: pulse 2.2s infinite;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--copper) 60%, transparent); }
    70% { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
  }
  h1.hero-h {
    font-size: clamp(56px, 8.2vw, 124px);
    line-height: 0.96;
    letter-spacing: -0.035em;
    text-wrap: balance;
  }
  h1.hero-h em {
    font-style: italic;
    color: var(--copper-deep);
    font-weight: 400;
  }
  .hero-sub {
    margin-top: 28px;
    font-size: 20px;
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 56ch;
    text-wrap: pretty;
  }
  .hero-ctas {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  /* schematic */
  .schematic {
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: 4px;
    padding: 28px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-2);
    position: relative;
  }
  .schematic-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 22px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  .schematic-label .dot {
    display: inline-flex; align-items: center; gap: 6px;
  }
  .schematic-label .dot::before {
    content: ""; width: 6px; height: 6px; background: var(--copper); border-radius: 50%; display: inline-block;
  }
  .schem-row {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-top: 1px dashed var(--rule-strong);
  }
  .schem-row:last-child { border-bottom: 1px dashed var(--rule-strong); }
  .schem-num { color: var(--ink-3); }
  .schem-name { color: var(--ink); font-family: var(--sans); font-size: 14px; font-weight: 500; letter-spacing: 0; text-transform: none; }
  .schem-desc { font-size: 12px; color: var(--ink-3); }
  .schem-status {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    letter-spacing: 0.05em;
  }
  .schem-status.live { color: var(--copper-deep); border-color: color-mix(in srgb, var(--copper) 30%, transparent); }

  .hero-stats {
    margin-top: 64px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--rule-strong);
    border-top: 1px solid var(--rule-strong);
    border-bottom: 1px solid var(--rule-strong);
  }
  .hero-stat {
    background: var(--paper);
    padding: 22px 0 22px 24px;
  }
  .hero-stat:first-child { padding-left: 0; }
  .hero-stat .k {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 6px;
  }
  .hero-stat .v {
    font-family: var(--serif);
    font-size: 22px;
    letter-spacing: -0.01em;
  }

  /* ============ STARTING POINT (tabs) ============ */
  .starting {
    background: var(--paper);
  }
  .paths {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
  }
  .path-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--rule);
  }
  .path-tab {
    display: grid;
    grid-template-columns: 32px 1fr 12px;
    gap: 14px;
    align-items: center;
    padding: 22px 0;
    border-bottom: 1px solid var(--rule);
    text-align: left;
    color: var(--ink-3);
    transition: color .15s, padding .2s;
    width: 100%;
  }
  .path-tab .num {
    font-family: var(--mono);
    font-size: 12px;
  }
  .path-tab .name {
    font-family: var(--serif);
    font-size: 22px;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: inherit;
  }
  .path-tab .chev {
    width: 12px; height: 12px;
    opacity: 0;
    transition: opacity .15s, transform .2s;
    color: var(--copper-deep);
  }
  .path-tab:hover { color: var(--ink); padding-left: 6px; }
  .path-tab[aria-selected="true"] { color: var(--ink); padding-left: 6px; }
  .path-tab[aria-selected="true"] .chev { opacity: 1; }
  .path-tab[aria-selected="true"] .num { color: var(--copper-deep); }

  .path-panel {
    min-height: 360px;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: start;
    padding-top: 8px;
  }
  .path-panel[hidden] { display: none; }
  .path-panel .panel-body h3 {
    font-size: clamp(32px, 3.4vw, 44px);
    line-height: 1.05;
    text-wrap: balance;
    margin-bottom: 18px;
  }
  .path-panel .panel-body p {
    color: var(--ink-2);
    font-size: 18px;
    line-height: 1.55;
    margin-bottom: 14px;
    text-wrap: pretty;
  }
  .panel-cta { margin-top: 24px; display: inline-flex; }

  .panel-aside {
    border: 1px solid var(--rule);
    background: var(--paper-2);
    border-radius: 4px;
    padding: 24px;
  }
  .panel-aside .aside-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 14px;
  }
  .panel-aside ul {
    margin: 0; padding: 0; list-style: none;
    display: flex; flex-direction: column; gap: 10px;
  }
  .panel-aside li {
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 10px;
    font-size: 14.5px;
    line-height: 1.45;
    color: var(--ink);
  }
  .panel-aside li svg { margin-top: 3px; color: var(--copper-deep); }

  /* ============ TRAINING ============ */
  .training-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .training-card {
    border: 1px solid var(--rule);
    background: var(--paper);
    border-radius: 4px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    position: relative;
    transition: border-color .15s, transform .2s;
  }
  .training-card:hover { border-color: var(--ink); }
  .training-card .level {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    justify-content: space-between;
  }
  .training-card .level .ix { color: var(--copper-deep); }
  .training-card h3 {
    font-size: 28px;
    line-height: 1.08;
    letter-spacing: -0.015em;
    margin-bottom: 12px;
  }
  .training-card p {
    color: var(--ink-2);
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 18px;
  }
  .training-card .meta {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    padding-top: 18px;
    border-top: 1px dashed var(--rule-strong);
  }

  .training-formats {
    margin-top: 56px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--rule-strong);
    border: 1px solid var(--rule-strong);
  }
  .format {
    background: var(--paper);
    padding: 28px;
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 18px;
    align-items: start;
  }
  .format .ic {
    width: 44px; height: 44px;
    border: 1px solid var(--rule-strong);
    border-radius: 4px;
    display: grid; place-items: center;
    color: var(--copper-deep);
  }
  .format h4 { font-size: 20px; letter-spacing: -0.01em; margin-bottom: 6px; }
  .format p { color: var(--ink-2); font-size: 14.5px; line-height: 1.5; }
  .format .row-cta {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    color: var(--ink);
    border-bottom: 1px solid var(--ink);
    padding-bottom: 2px;
  }
  .format .row-cta:hover { color: var(--copper-deep); border-color: var(--copper-deep); }

  /* ============ PRACTICAL HELP ============ */
  .practical {
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
  }
  .practical-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
  }
  .practical-list {
    display: flex; flex-direction: column;
    border-top: 1px solid var(--rule-strong);
  }
  .practical-list .item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 22px 0;
    border-bottom: 1px solid var(--rule-strong);
  }
  .practical-list .ix {
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--ink-3);
    letter-spacing: 0.08em;
  }
  .practical-list .name {
    font-family: var(--serif);
    font-size: 22px;
    letter-spacing: -0.01em;
    color: var(--ink);
  }
  .practical-list .arrow {
    color: var(--ink-3);
  }
  .practical-quote {
    border: 1px solid var(--rule-strong);
    border-radius: 4px;
    padding: 32px;
    background: var(--paper-2);
  }
  .practical-quote .q-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 18px;
  }
  .practical-quote .q-body {
    font-family: var(--serif);
    font-size: 24px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    text-wrap: pretty;
    color: var(--ink);
  }
  .practical-quote .q-body em { color: var(--copper-deep); font-style: italic; }
  .practical-quote .q-foot {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--rule-strong);
    font-size: 14px;
    color: var(--ink-3);
  }

  /* ============ INTAKE ============ */
  .intake-shell {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
    align-items: start;
  }
  .intake-shell .lhs h2 {
    font-size: clamp(36px, 4.2vw, 56px);
    line-height: 1.02;
    margin-bottom: 18px;
    text-wrap: balance;
  }
  .intake-shell .lhs p {
    color: var(--ink-2);
    font-size: 18px;
    line-height: 1.55;
    max-width: 46ch;
    margin-bottom: 16px;
    text-wrap: pretty;
  }
  .intake-shell .lhs .helpers {
    margin-top: 28px;
    display: flex; flex-direction: column; gap: 10px;
    font-size: 14.5px;
    color: var(--ink-2);
  }
  .intake-shell .lhs .helpers .row {
    display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start;
  }
  .intake-shell .lhs .helpers svg { color: var(--copper-deep); margin-top: 4px; }

  .intake {
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: 6px;
    padding: 28px;
  }
  .intake-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 22px;
  }
  .intake-head .lbl {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
  }
  .intake-head .step-pips {
    display: flex; gap: 6px;
  }
  .intake-head .pip {
    width: 28px; height: 4px; background: var(--rule-strong); border-radius: 2px;
  }
  .intake-head .pip.active { background: var(--ink); }
  .intake-head .pip.done { background: var(--copper); }

  .intake-q { font-family: var(--serif); font-size: 26px; letter-spacing: -0.015em; line-height: 1.15; margin-bottom: 18px; text-wrap: balance; }
  .intake-help { color: var(--ink-3); font-size: 14px; margin-bottom: 18px; }

  .choices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .choices.single { grid-template-columns: 1fr; }
  .choice {
    text-align: left;
    padding: 14px 16px;
    border: 1px solid var(--rule-strong);
    background: var(--paper);
    border-radius: 4px;
    font-size: 15px;
    color: var(--ink);
    transition: border-color .15s, background .15s, transform .12s;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
  }
  .choice:hover { border-color: var(--ink); }
  .choice.selected {
    border-color: var(--copper-deep);
    background: var(--copper-tint);
  }
  .choice .check {
    width: 16px; height: 16px;
    border: 1px solid var(--rule-strong);
    border-radius: 50%;
    display: grid; place-items: center;
    flex: 0 0 auto;
  }
  .choice.selected .check { background: var(--copper-deep); border-color: var(--copper-deep); color: var(--paper); }

  .intake textarea, .intake input[type="text"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--rule-strong);
    background: var(--paper);
    border-radius: 4px;
    font: inherit;
    color: var(--ink);
    resize: vertical;
    min-height: 110px;
  }
  .intake textarea:focus, .intake input:focus { outline: none; border-color: var(--ink); }

  .intake-foot {
    margin-top: 22px;
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 18px;
    border-top: 1px dashed var(--rule-strong);
  }
  .intake-foot .step-info { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.04em; }
  .intake-actions { display: flex; gap: 10px; }
  .btn-sm { padding: 10px 16px; font-size: 14px; }

  .summary {
    display: flex; flex-direction: column; gap: 12px;
  }
  .summary .row {
    display: grid; grid-template-columns: 110px 1fr;
    gap: 14px;
    font-size: 14.5px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--rule-strong);
  }
  .summary .row:last-child { border-bottom: 0; }
  .summary .k {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink-3);
    padding-top: 2px;
  }
  .summary .v { color: var(--ink); }
  .summary .v em { font-style: italic; color: var(--ink-3); }

  .recommendation {
    margin-top: 4px;
    padding: 18px;
    border: 1px solid var(--copper);
    background: var(--copper-tint);
    border-radius: 4px;
  }
  .recommendation .rl {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--copper-deep);
    margin-bottom: 8px;
  }
  .recommendation .rt {
    font-family: var(--serif);
    font-size: 20px;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 10px;
  }
  .recommendation .rd {
    font-size: 14.5px;
    color: var(--ink-2);
    line-height: 1.5;
  }

  /* ============ FOOTER ============ */
  footer {
    background: var(--paper);
    padding: 80px 0 40px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid var(--rule);
  }
  .footer-grid h5 {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin: 0 0 18px;
    font-weight: 500;
  }
  .footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
  .footer-grid li a { color: var(--ink-2); transition: color .15s; }
  .footer-grid li a:hover { color: var(--copper-deep); }
  .footer-tag {
    font-family: var(--serif);
    font-size: 22px;
    letter-spacing: -0.01em;
    line-height: 1.25;
    max-width: 28ch;
    margin-top: 8px;
  }
  .footer-base {
    padding-top: 32px;
    display: flex; justify-content: space-between;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
  }

  /* responsive */
  @media (max-width: 1100px) {
    .hero-grid { gap: 40px; }
    .hero-lower { grid-template-columns: 1fr; gap: 40px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-stat:nth-child(3) { padding-left: 0; }
    .paths { grid-template-columns: 1fr; }
    .path-panel { grid-template-columns: 1fr; }
    .training-grid { grid-template-columns: 1fr; }
    .training-formats { grid-template-columns: 1fr; }
    .practical-grid { grid-template-columns: 1fr; gap: 40px; }
    .intake-shell { grid-template-columns: 1fr; }
    .section-head { grid-template-columns: 1fr; }
    .index-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .wrap { padding: 0 24px; }
    .nav-links { display: none; }
    section { padding: 64px 0; }
    section.page-section { padding-top: 16px; }
    .hero { padding: 56px 0 64px; }
    .hero-stats { grid-template-columns: 1fr; }
    .choices { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
  }