
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --cream:       #f0ede6;
      --cream-dark:  #e6e2d8;
      --green:       #4a8c6f;
      --green-light: #e8f2ec;
      --green-dark:  #2e6650;
      --ink:         #1a1a18;
      --ink-muted:   #5a5a54;
      --ink-faint:   #9a9a90;
      --white:       #ffffff;
      --border:      #d8d4ca;
    }

    body {
      font-family: 'Figtree', sans-serif;
      background: var(--cream);
      color: var(--ink);
      min-height: 100vh;
    }

    header {
      background: var(--ink);
      padding: 1.5rem 2rem 2.5rem;
    }

    header .inner {
      max-width: 900px;
      margin: 0 auto;
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 2.5rem;
    }

    .logo-wrap img { height: 36px; display: block; }

    .nav-tagline {
      font-size: 12px;
      color: var(--ink-faint);
      letter-spacing: 0.06em;
    }

    .hero {
      display: flex;
      align-items: flex-end;
      gap: 2rem;
    }

    .hero-text { flex: 1; }

    .hero-icon {
      width: 80px;
      opacity: 0.9;
      flex-shrink: 0;
    }

    .eyebrow {
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--green);
      margin-bottom: 0.6rem;
    }

    header h1 {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(2rem, 4.5vw, 3.2rem);
      font-weight: 400;
      font-style: italic;
      line-height: 1.1;
      color: var(--white);
    }

    header h1 strong {
      font-style: normal;
      font-weight: 600;
      color: var(--white);
    }

    header p {
      margin-top: 0.75rem;
      font-size: 14px;
      color: var(--ink-faint);
      max-width: 460px;
      line-height: 1.6;
    }

    main {
      max-width: 900px;
      margin: 2.5rem auto;
      padding: 0 1.5rem 4rem;
    }

    .layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      align-items: start;
    }

    @media (max-width: 680px) {
      .layout { grid-template-columns: 1fr; }
      .hero { flex-direction: column; align-items: flex-start; gap: 1rem; }
      .hero-icon { width: 55px; }
    }

    .card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.75rem;
    }

    .card h2 {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.3rem;
      font-weight: 600;
      margin-bottom: 1.25rem;
      display: flex;
      align-items: center;
      gap: 0.6rem;
      color: var(--ink);
    }

    .step {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--green);
      color: var(--white);
      font-family: 'Figtree', sans-serif;
      font-size: 12px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .field { margin-bottom: 1rem; }

    label {
      display: block;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--ink-muted);
      margin-bottom: 0.35rem;
    }

    input:not([type="checkbox"]), select {
      width: 100%;
      padding: 0.6rem 0.9rem;
      font-family: 'Figtree', sans-serif;
      font-size: 15px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--cream);
      color: var(--ink);
      transition: border-color 0.15s;
      outline: none;
      -webkit-appearance: none;
    }

    input:not([type="checkbox"]):focus, select:focus { border-color: var(--green); }

    .input-prefix { position: relative; }
    .input-prefix span {
      position: absolute;
      left: 0.9rem;
      top: 50%;
      transform: translateY(-50%);
      font-size: 14px;
      color: var(--ink-muted);
      pointer-events: none;
    }
    .input-prefix input { padding-left: 1.75rem; }

    .hint { font-size: 11px; color: var(--ink-faint); margin-top: 0.3rem; }

    .calc-btn {
      width: 100%;
      margin-top: 0.5rem;
      padding: 0.85rem;
      background: var(--green);
      color: var(--white);
      border: none;
      border-radius: 8px;
      font-family: 'Figtree', sans-serif;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      letter-spacing: 0.02em;
      transition: background 0.15s, transform 0.1s;
    }

    .calc-btn:hover { background: var(--green-dark); }
    .calc-btn:active { transform: scale(0.98); }

    .results-col { display: flex; flex-direction: column; gap: 1rem; }

    .results-placeholder {
      background: var(--white);
      border: 1.5px dashed var(--border);
      border-radius: 16px;
      padding: 3rem 1.75rem;
      text-align: center;
      color: var(--ink-faint);
      font-size: 14px;
    }

    .placeholder-icon { width: 48px; margin: 0 auto 0.75rem; opacity: 0.25; display: block; }

    .metrics-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
    }

    .metric {
      background: var(--cream);
      border-radius: 10px;
      padding: 0.9rem 1rem;
    }

    .metric .m-label {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-weight: 600;
      color: var(--ink-muted);
      margin-bottom: 0.35rem;
    }

    .metric .m-value {
      font-size: 1.4rem;
      font-family: 'Cormorant Garamond', serif;
      font-weight: 600;
      color: var(--ink);
      line-height: 1;
    }

    .metric.wide { grid-column: span 2; }
    .metric.wide .m-value { font-size: 2rem; color: var(--green); }

    .verdict {
      border-radius: 12px;
      padding: 1.1rem 1.25rem;
      font-size: 13.5px;
      line-height: 1.65;
    }

    .verdict.go      { background: var(--green-light); color: var(--green-dark); border: 1px solid #b8d9c8; }
    .verdict.caution { background: #fdf5e4; color: #7a5a10; border: 1px solid #f0d990; }
    .verdict.nogo    { background: #fdf0ed; color: #8c3020; border: 1px solid #f0c4ba; }

    .verdict strong { font-weight: 600; display: block; margin-bottom: 0.3rem; font-size: 14.5px; }

    .lead-card {
      background: var(--ink);
      border-radius: 16px;
      padding: 1.75rem;
      color: var(--white);
    }

    .lead-logo { height: 22px; margin-bottom: 1.1rem; display: block; opacity: 0.85; }

    .badge {
      display: inline-block;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 20px;
      margin-bottom: 0.75rem;
      letter-spacing: 0.04em;
    }

    .badge.high     { background: var(--green); color: var(--white); }
    .badge.standard { background: rgba(255,255,255,0.1); color: var(--ink-faint); }

    .lead-card h2 {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 0.35rem;
    }

    .lead-card p {
      font-size: 13px;
      color: var(--ink-faint);
      margin-bottom: 1.1rem;
      line-height: 1.55;
    }

    .lead-card input:not([type="checkbox"]) {
      background: rgba(255,255,255,0.07);
      border-color: rgba(255,255,255,0.12);
      color: var(--white);
      margin-bottom: 0.7rem;
    }

    .lead-card input::placeholder { color: #555; }
    .lead-card input:not([type="checkbox"]):focus { border-color: var(--green); }

    .checkbox-label {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 13px;
      color: var(--ink-faint);
      cursor: pointer;
      margin-bottom: 0.75rem;
      text-transform: none;
      letter-spacing: 0;
      font-weight: 400;
    }

    .checkbox-label input[type="checkbox"] {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      accent-color: var(--green);
      cursor: pointer;
    }

    .lead-btn {
      width: 100%;
      padding: 0.8rem;
      background: var(--green);
      color: var(--white);
      border: none;
      border-radius: 8px;
      font-family: 'Figtree', sans-serif;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.15s;
    }

    .lead-btn:hover { background: var(--green-dark); }

    #lead-success {
      display: none;
      text-align: center;
      padding: 0.75rem 0;
      color: var(--ink-faint);
      font-size: 14px;
    }

    #lead-success strong { display: block; color: var(--white); font-size: 16px; margin-bottom: 0.3rem; }

    footer {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.75rem;
      padding: 2rem 1.5rem;
      border-top: 1px solid var(--border);
    }

    footer img { height: 18px; opacity: 0.4; }
    footer span { font-size: 12px; color: var(--ink-faint); }

    .pdf-btn {
      display: block;
      width: 100%;
      padding: 0.75rem;
      background: transparent;
      border: 1.5px solid var(--border);
      border-radius: 8px;
      font-family: 'Figtree', sans-serif;
      font-size: 14px;
      font-weight: 500;
      color: var(--ink-muted);
      cursor: pointer;
      transition: border-color 0.2s, color 0.2s;
    }

    .pdf-btn:hover {
      border-color: var(--ink);
      color: var(--ink);
    }

    .agency-btn {
      width: 100%;
      padding: 0.85rem;
      background: var(--ink);
      color: var(--white);
      border: none;
      border-radius: 8px;
      font-family: 'Figtree', sans-serif;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      letter-spacing: 0.02em;
      transition: opacity 0.15s;
    }

    .agency-btn:hover { opacity: 0.82; }

    /* ── Articles section ───────────────────────────────────────────────────── */
    .articles {
      background: var(--ink);
      padding: 5rem 1.5rem;
    }

    .articles-inner {
      max-width: 900px;
      margin: 0 auto;
    }

    .articles-title {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      font-weight: 400;
      font-style: italic;
      color: var(--white);
      margin-top: 0.5rem;
      margin-bottom: 0.75rem;
    }

    .articles-sub {
      font-size: 14px;
      color: var(--ink-faint);
      max-width: 520px;
      line-height: 1.65;
      margin-bottom: 2.5rem;
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
    }

    @media (max-width: 750px) {
      .articles-grid { grid-template-columns: 1fr; }
    }

    @media (min-width: 751px) and (max-width: 960px) {
      .articles-grid { grid-template-columns: repeat(2, 1fr); }
    }

    .article-card {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 14px;
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      transition: background 0.2s, border-color 0.2s;
    }

    .article-card:hover {
      background: rgba(255,255,255,0.07);
      border-color: rgba(255,255,255,0.14);
    }

    .article-tag {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--green);
    }

    .article-card h3 {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--white);
      line-height: 1.25;
    }

    .article-card p {
      font-size: 13px;
      color: var(--ink-faint);
      line-height: 1.65;
      flex: 1;
    }

    /* ── Channel nav (ST-05) ────────────────────────────────────────────────── */
    .channel-nav {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 2rem;
      flex-wrap: wrap;
    }

    .channel-link {
      padding: 0.35rem 0.9rem;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
      text-decoration: none;
      color: rgba(255,255,255,0.5);
      border: 1px solid rgba(255,255,255,0.15);
      transition: all 0.15s;
    }

    .channel-link:hover  { color: #fff; border-color: rgba(255,255,255,0.4); }
    .channel-link.active { color: #fff; background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.3); }

    /* ── Budget slider (ST-04) ───────────────────────────────────────────────── */
    .budget-slider {
      width: 100%;
      margin-top: 0.6rem;
      accent-color: var(--green);
      cursor: pointer;
    }

    .slider-labels {
      display: flex;
      justify-content: space-between;
      font-size: 10px;
      color: var(--ink-faint);
      margin-top: 0.2rem;
    }

    /* ── Live metrics grid (ST-04) ───────────────────────────────────────────── */
    .live-metrics-card { padding: 1.25rem 1.5rem; }

    .live-metrics-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.6rem;
    }

    .lm-item {
      background: var(--cream);
      border-radius: 8px;
      padding: 0.7rem 0.85rem;
    }

    .lm-item.highlight { background: var(--green-light); }

    .lm-label {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      font-weight: 600;
      color: var(--ink-muted);
      margin-bottom: 0.25rem;
    }

    .lm-val {
      font-size: 1.1rem;
      font-family: 'Cormorant Garamond', serif;
      font-weight: 600;
      color: var(--ink);
      line-height: 1;
    }

    .lm-item.highlight .lm-val { color: var(--green); font-size: 1.3rem; }

    .article-stat {
      font-size: 12px;
      font-weight: 600;
      color: var(--green);
      padding-top: 0.5rem;
      border-top: 1px solid rgba(255,255,255,0.07);
      margin-top: auto;
    }

