:root {
    --bg:           #f7f5f0;
    --surface:      #ffffff;
    --surface-sunk: #f0ede6;
    --ink:          #232820;
    --ink-soft:     #5a6057;
    --ink-faint:    #9aA497;
    --heading:      #151a14;
    --accent:       #1a3a2e;
    --accent-mid:   #2a5c47;
    --accent-hover: #12291f;
    --accent-weak:  #e8efe9;
    --accent-line:  #c6dccb;
    --gold:         #b07d2e;
    --gold-weak:    #fdf6e8;
    --gold-line:    #e8d5a3;
    --warn:         #9b3a1a;
    --warn-weak:    #fdf0eb;
    --warn-line:    #e8c4b0;
    --border:       #e4e0d8;
    --radius:       12px;
    --radius-sm:    8px;
    --shadow:       0 1px 3px rgba(26,58,46,.05), 0 8px 28px -14px rgba(26,58,46,.18);
    --maxw:         900px;
    --font-display: "DM Serif Display", Georgia, serif;
    --font-body:    "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }

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

  .page {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px 96px;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.74;
    -webkit-font-smoothing: antialiased;
    overflow-wrap: break-word;
  }

  .page a { color: var(--accent-mid); text-decoration: none; border-bottom: 1px solid var(--accent-line); transition: color .15s, border-color .15s; }
  .page a:hover { color: var(--accent-hover); border-color: var(--accent); }
  .page strong { color: var(--heading); font-weight: 600; }
  .page img { max-width: 100%; }

  /* ---- HEADER ---- */
  .post-header { padding: 52px 0 10px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 12px; font-weight: 700; letter-spacing: .18em;
    text-transform: uppercase; color: var(--accent-mid);
    margin: 0 0 20px; border-bottom: none;
  }
  .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent-mid); display: inline-block; }
  .eyebrow:hover { color: var(--accent-mid); border-bottom: none; }

  .post-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5.5vw, 52px);
    line-height: 1.06; letter-spacing: -.01em;
    color: var(--heading); margin: 0 0 22px;
  }
  .post-title em { font-style: italic; color: var(--accent-mid); }

  .dek {
    font-size: clamp(17px, 2.2vw, 20px); line-height: 1.6;
    color: var(--ink-soft); margin: 0 0 26px; max-width: 60ch;
    font-weight: 300;
  }

  /* ---- TOC ---- */
  .toc {
    background: var(--surface); border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius); padding: 24px 28px;
    margin: 32px 0 8px; box-shadow: var(--shadow);
  }
  .toc-title {
    font-size: 11px; font-weight: 700; letter-spacing: .17em;
    text-transform: uppercase; color: var(--ink-faint); margin: 0 0 16px;
  }
  .toc ol { list-style: none !important; margin: 0 !important; padding: 0 !important; counter-reset: toc; }
  .toc li { list-style: none !important; counter-increment: toc; margin: 0 !important; padding: 0 !important; }
  .toc li::marker { content: "" !important; }
  .toc li + li { border-top: 1px solid var(--border); }
  .toc a {
    display: flex; align-items: baseline; gap: 14px; padding: 11px 0 !important;
    color: var(--ink); font-weight: 500; font-size: 16px;
    border-bottom: none; transition: color .15s, padding-left .15s;
  }
  .toc a::before {
    content: counter(toc, decimal-leading-zero);
    font-family: var(--font-display); font-style: italic;
    font-size: 17px; color: var(--accent-mid); min-width: 28px;
  }
  .toc a:hover { color: var(--accent); padding-left: 5px !important; }

  /* ---- SECTIONS ---- */
  .section { padding-top: 60px; scroll-margin-top: 24px; }
  .section-kicker {
    font-size: 11px; font-weight: 700; letter-spacing: .18em;
    text-transform: uppercase; color: var(--accent-mid); margin: 0 0 12px;
  }
  .section > h2 {
    font-family: var(--font-display);
    font-size: clamp(26px, 3.6vw, 40px);
    line-height: 1.12; color: var(--heading); margin: 0 0 16px;
  }
  .section > h3 {
    font-size: clamp(17px, 2vw, 20px); font-weight: 700;
    color: var(--heading); margin: 36px 0 10px;
  }
  .section > p, .intro > p { margin: 0 0 18px; }
  .lead { font-size: 20px; font-weight: 300; line-height: 1.65; }

  .pull {
    font-family: var(--font-display); font-style: italic;
    font-size: clamp(20px, 2.8vw, 26px); line-height: 1.38;
    color: var(--accent); margin: 32px 0 28px !important;
    padding: 20px 24px; border-left: 4px solid var(--accent);
    background: var(--accent-weak); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }

  /* ---- STEP CARDS ---- */
  .steps { display: grid; gap: 2px; margin: 28px 0 24px; }
  .step {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 26px 28px 22px;
    display: grid; grid-template-columns: 64px minmax(0,1fr);
    gap: 6px 20px; align-items: start;
    position: relative; overflow: hidden;
  }
  .step::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0;
    width: 4px; background: var(--accent);
  }
  .step-num {
    grid-row: 1 / 3;
    font-family: var(--font-display); font-style: italic;
    font-size: 44px; color: var(--accent-line);
    line-height: 1; padding-top: 2px; text-align: center;
  }
  .step h3 {
    font-size: 18px; font-weight: 700; color: var(--heading);
    margin: 0; line-height: 1.3;
  }
  .step p { margin: 0; font-size: 16.5px; color: var(--ink-soft); line-height: 1.65; }

  /* ---- BRIEF CHECKLIST ---- */
  .checklist {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px 28px;
    margin: 24px 0; box-shadow: var(--shadow);
  }
  .checklist-title {
    font-size: 12px; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; color: var(--accent-mid); margin: 0 0 16px;
  }
  .checklist ul { list-style: none !important; margin: 0 !important; padding: 0 !important; }
  .checklist li { list-style: none !important; margin: 0 !important; padding: 0 !important; }
  .checklist li::marker { content: "" !important; }
  .checklist li + li { border-top: 1px solid var(--border); }
  .checklist li a { border-bottom: none; }
  .cl-row {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 12px 0; font-size: 16px; color: var(--ink-soft); line-height: 1.58;
  }
  .cl-icon {
    width: 22px; height: 22px; flex: none; margin-top: 1px;
    border-radius: 50%; background: var(--accent-weak);
    display: grid; place-items: center;
  }
  .cl-icon svg { width: 12px; height: 12px; stroke: var(--accent-mid); }
  .cl-label { font-weight: 600; color: var(--heading); }

  /* ---- FORMULA OPTIONS ---- */
  .formula-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 14px; margin: 24px 0;
  }
  .formula-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 20px 20px 18px;
  }
  .formula-card h4 {
    font-size: 14px; font-weight: 700; letter-spacing: .06em;
    text-transform: uppercase; color: var(--accent-mid); margin: 0 0 8px;
  }
  .formula-card p { margin: 0; font-size: 15.5px; color: var(--ink-soft); line-height: 1.62; }

  /* ---- FAQ ---- */
  .faq-list { margin: 28px 0; display: grid; gap: 12px; }
  .faq-item {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 22px 24px;
  }
  .faq-item h3 {
    font-size: 17px; font-weight: 700; color: var(--heading);
    margin: 0 0 8px; line-height: 1.42;
  }
  .faq-item p { margin: 0; font-size: 16.5px; color: var(--ink-soft); line-height: 1.66; }

  /* ---- CALLOUTS ---- */
  .callout {
    border: 1px solid var(--border); border-left: 4px solid var(--ink-faint);
    background: var(--surface-sunk); border-radius: var(--radius-sm);
    padding: 20px 22px; margin: 26px 0;
  }
  .callout > *:last-child { margin-bottom: 0 !important; }
  .callout p { margin: 0 0 10px; font-size: 16.5px; line-height: 1.66; }
  .callout-label {
    display: block; font-size: 11px; font-weight: 700; letter-spacing: .13em;
    text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px;
  }
  .callout.tip { border-left-color: var(--gold); background: var(--gold-weak); border-color: var(--gold-line); }
  .callout.tip .callout-label { color: var(--gold); }
  .callout.tip strong { color: #7a5518; }

  /* ---- CLOSING CTA ---- */
  .closing {
    margin-top: 72px; background: var(--accent);
    color: #e8f0ea; border-radius: var(--radius); padding: 48px 46px 44px;
  }
  .closing .section-kicker { color: #8ab89a; }
  .closing h2 {
    font-family: var(--font-display); color: #fff;
    font-size: clamp(24px, 3.2vw, 36px); margin: 0 0 14px; line-height: 1.18;
  }
  .closing p { color: #b8d0be; margin: 0 0 16px; font-size: 17px; }
  .closing strong { color: #fff; }

  .cta-list { list-style: none !important; margin: 28px 0 36px !important; padding: 0 !important; display: grid; gap: 10px; }
  .cta-list li { list-style: none !important; margin: 0 !important; padding: 0 !important; }
  .cta-list li::marker { content: "" !important; }
  .cta-list a {
    display: flex; align-items: center; gap: 14px; padding: 16px 18px;
    background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-sm); color: #e8f0ea;
    font-size: 16px; font-weight: 500; line-height: 1.45;
    border-bottom: none; transition: background .16s, border-color .16s;
  }
  .cta-list a:hover { background: rgba(255,255,255,.1); border-color: rgba(138,184,154,.5); color: #fff; }
  .cta-list .arrow { width: 16px; height: 16px; flex: none; color: #8ab89a; transition: transform .16s; }
  .cta-list a:hover .arrow { transform: translateX(3px); }

  .contact-label {
    font-size: 11px; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; color: #6a8f76;
    margin: 0 0 16px !important; padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,.12);
  }
  .contact { display: flex; flex-wrap: wrap; gap: 12px 28px; }
  .contact a {
    display: inline-flex; align-items: center; gap: 10px;
    color: #e8f0ea; font-weight: 500; font-size: 16px;
    border-bottom: none;
  }
  .contact a:hover { color: #b8d0be; }
  .contact .ic {
    width: 34px; height: 34px; flex: none; border-radius: 50%;
    background: rgba(255,255,255,.08); display: grid; place-items: center;
    transition: background .16s;
  }
  .contact a:hover .ic { background: rgba(138,184,154,.2); }
  .contact .ic svg { width: 16px; height: 16px; }

  /* ---- FOOTER ---- */
  .post-footer {
    margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border);
    font-size: 14px; color: var(--ink-faint); line-height: 1.65;
  }
  .post-footer p { margin: 0 0 8px; }
  .post-footer p:last-child { margin: 0; }

  /* ---- RESPONSIVE ---- */
  @media (max-width: 720px) {
    .formula-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 640px) {
    .page { font-size: 17px; padding: 0 18px 72px; }
    .post-header { padding: 34px 0 10px; }
    .toc { padding: 20px; }
    .section { padding-top: 48px; }
    .step { grid-template-columns: 48px minmax(0,1fr); gap: 4px 14px; padding: 20px; }
    .step-num { font-size: 36px; }
    .closing { padding: 36px 22px 34px; margin-top: 48px; }
    .cta-list a { font-size: 15.5px; }
    .contact { flex-direction: column; gap: 14px; }
  }
  @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }