/* SVS MSP Calculator - Components */
/* Extracted during Phase 5 to keep the HTML shell stable while splitting the monolithic stylesheet. */
  /* ── SECTION CARDS (I–VI) ───────────────────────────────────────
     Each section = position:relative card with:
       .section-num   — absolute, floats left outside card (Cinzel)
       .section-header — flex row: title-block | summary badge | chevron
       .section-body  — collapsible content (overflow:hidden, JS toggle)
     JS toggleSection(id) adds/removes .sec-open class on .section.
     .sec-open .sec-chevron rotates 180deg (down→up arrow).
     .sec-summary-badge is shown/hidden by setSummary() in update().
  ─────────────────────────────────────────────────────────────── */
  .section {
    position: relative;
    container-type: inline-size;
    margin-left: var(--section-offset);
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    background: var(--surface-section);
    padding: var(--section-padding-top) var(--section-padding-x) var(--section-padding-bottom);
  }
  .fa-icon {
    display: inline-block;
    width: var(--icon-size, 1em);
    height: var(--icon-size, 1em);
    flex: 0 0 auto;
    color: inherit;
    background-color: currentColor;
    vertical-align: middle;
    mask-image: var(--fa-icon-url);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-image: var(--fa-icon-url);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
  }
  .fa-icon--accent { color: var(--accent); }
  .fa-icon--green { color: var(--green); }
  .fa-icon--amber { color: var(--amber); }
  .fa-icon--danger { color: var(--text-danger); }
  .fa-icon--white { color: var(--text-on-accent); }
  .fa-icon--theme { color: currentColor; }
  /* ── FA Sharp Solid icons — inline data URIs for file:// compatibility ── */
  .fa-icon-file-invoice { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath fill='currentColor' d='M240 0L0 0 0 512 384 512 384 144 240 0zm85.5 176L208 176 208 58.5 325.5 176zM64 416l0-128 256 0 0 128-256 0zM88 64l72 0 0 48-96 0 0-48 24 0zm0 96l72 0 0 48-96 0 0-48 24 0z'/%3E%3C/svg%3E"); }
  .fa-icon-sun-bright { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M312 544l-48 0 0-112 48 0 0 112zM180.5 397.4l-79.2 79.2-33.9-33.9 79.2-79.2 33.9 33.9zm328.1 45.3l-33.9 33.9-79.2-79.2 33.9-33.9 79.2 79.2zM288 384a128 128 0 1 1 0-256 128 128 0 1 1 0 256zM112 280l-112 0 0-48 112 0 0 48zm464 0l-112 0 0-48 112 0 0 48zM180.5 114.6l-33.9 33.9-79.2-79.2 33.9-33.9 79.2 79.2zM508.6 69.3l-79.2 79.2-33.9-33.9 79.2-79.2 33.9 33.9zM312 80l-48 0 0-112 48 0 0 112z'/%3E%3C/svg%3E"); }
  .fa-icon-moon-stars { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M448-32l16 48 48 16-48 16-16 48-16-48-48-16 48-16 16-48zM314.7 83.1c-76.2 18.9-132.7 87.8-132.7 169.9 0 96.6 78.3 175 175 175 16.2 0 31.9-2.2 46.8-6.3-40.8 54.8-106.1 90.3-179.8 90.3-123.7 0-224-100.3-224-224S100.3 64 224 64c32.3 0 63 6.8 90.7 19.1zM384 352L355.2 268.8 272 240 355.2 211.2 384 128 412.8 211.2 496 240 412.8 268.8 384 352z'/%3E%3C/svg%3E"); }
  .fa-icon-sparkles { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath fill='currentColor' d='M480 32l32-72 32 72 72 32-72 32-32 72-32-72-72-32 72-32zM160 192l64-144 64 144 144 64-144 64-64 144-64-144-144-64 144-64zM480 344l32 72 72 32-72 32-32 72-32-72-72-32 72-32 32-72z'/%3E%3C/svg%3E"); }
  .fa-icon-angles-up { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M246.9 41.4l-22.6-22.6-22.6 22.6-160 160-22.6 22.6 45.3 45.3 22.6-22.6 137.4-137.4 137.4 137.4 22.6 22.6 45.3-45.3-22.6-22.6-160-160zm0 192l-22.6-22.6-22.6 22.6-160 160-22.6 22.6 45.3 45.3 22.6-22.6 137.4-137.4 137.4 137.4 22.6 22.6 45.3-45.3-182.6-182.6z'/%3E%3C/svg%3E"); }
  .fa-icon-angles-down { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M246.9 470.6l-22.6 22.6-22.6-22.6-160-160-22.6-22.6 45.3-45.3 22.6 22.6 137.4 137.4 137.4-137.4 22.6-22.6 45.3 45.3-182.6 182.6zm0-192l-22.6 22.6-22.6-22.6-160-160-22.6-22.6 45.3-45.3 22.6 22.6 137.4 137.4 160-160 45.3 45.3-22.6 22.6-160 160z'/%3E%3C/svg%3E"); }
  .fa-icon-chevron-down { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M256.3 429.3l214.6-214.6 22.6-22.6-45.3-45.3-22.6 22.6-169.4 169.4-169.4-169.4-22.6-22.6-45.3 45.3 22.6 22.6 192 192 22.6 22.6z'/%3E%3C/svg%3E"); }
  .fa-icon-chevron-left { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath fill='currentColor' d='M3 256l22.6 22.6 192 192 22.6 22.6 45.3-45.3-22.6-22.6-169.4-169.4 169.4-169.4 22.6-22.6-45.3-45.3-22.6 22.6-192 192-22.6 22.6z'/%3E%3C/svg%3E"); }
  .fa-icon-chevron-right { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath fill='currentColor' d='M317.5 256L294.9 278.6 102.9 470.6 80.3 493.3 35 448 57.6 425.4 227 256 57.6 86.6 35 64 80.3 18.7 102.9 41.4 294.9 233.4 317.5 256z'/%3E%3C/svg%3E"); }
  .fa-icon-square-check { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M448 480l-448 0 0-448 448 0 0 448zM308.5 151l-119.4 164.2-69.1-69.1-33.9 33.9 88.9 88.9 19.8 19.9 16.5-22.7 135.9-186.9 14.1-19.4-38.8-28.3-14.1 19.4z'/%3E%3C/svg%3E"); }
  .fa-icon-circle-check { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M256 512a256 256 0 1 1 0-512 256 256 0 1 1 0 512zm84.5-361l-119.4 164.2-69.1-69.1-33.9 33.9 88.9 88.9 19.8 19.9 16.5-22.7 135.9-186.9 14.1-19.4-38.8-28.3-14.1 19.4z'/%3E%3C/svg%3E"); }
  .fa-icon-circle-info { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M256 512a256 256 0 1 0 0-512 256 256 0 1 0 0 512zM216 336l24 0 0-64-48 0 0-48 96 0 0 112 32 0 0 48-128 0 0-48 24 0zm72-144l-64 0 0-64 64 0 0 64z'/%3E%3C/svg%3E"); }
  .fa-icon-square-info { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M448 32l-448 0 0 448 448 0 0-448zM184 336l24 0 0-64-48 0 0-48 96 0 0 112 32 0 0 48-128 0 0-48 24 0zm72-208l0 64-64 0 0-64 64 0z'/%3E%3C/svg%3E"); }
  .fa-icon-lightbulb-on { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath fill='currentColor' d='M512 192c0 71.1-38.6 133.1-96 166.3l0 25.7-192 0 0-25.7C166.6 325.1 128 263.1 128 192 128 86 214 0 320 0S512 86 512 192zM224 528l0-96 192 0 0 96-192 0zm16-344c0-39.8 32.2-72 72-72l8 0 0-48-8 0c-66.3 0-120 53.7-120 120l0 8 48 0 0-8zM58.7 26.5l53.5 26.7-21.5 42.9C60.3 81 19.5 60.6 15.8 58.7L37.3 15.8 58.7 26.5zm544 42.9C579.6 81 561.8 89.9 549.3 96.2L527.8 53.3C558.2 38 599 17.7 602.7 15.8l21.5 42.9-21.5 10.7zM24 168l56 0 0 48-80 0 0-48 24 0zm560 0l56 0 0 48-80 0 0-48 24 0zM90.7 341.5C67.6 353 49.8 361.9 37.3 368.2L15.8 325.3C46.2 310 87 289.7 90.7 287.8l21.5 42.9-21.5 10.7zm458.5-53.7l74.9 37.5-21.5 42.9-74.9-37.5 21.5-42.9z'/%3E%3C/svg%3E"); }
  .fa-icon-users { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath fill='currentColor' d='M320 16a104 104 0 1 1 0 208 104 104 0 1 1 0-208zM96 88a72 72 0 1 1 0 144 72 72 0 1 1 0-144zm14.7 392l-110.7 0 48-192 107 0-41.8 181.2-2.5 10.8zm418.5 0l-2.5-10.8-41.8-181.2 107 0 48 192-110.7 0zM472 160a72 72 0 1 1 144 0 72 72 0 1 1 -144 0zM208 272l224 0 48 208-320 0 48-208z'/%3E%3C/svg%3E"); }
  .fa-icon-user { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M224 248a120 120 0 1 0 0-240 120 120 0 1 0 0 240zM432 512l-64-208-288 0-64 208 416 0z'/%3E%3C/svg%3E"); }
  .fa-icon-desktop { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M512 32l-512 0 0 384 208 0-16 48-96 0 0 48 320 0 0-48-96 0-16-48 208 0 0-384zM448 96l0 224-384 0 0-224 384 0z'/%3E%3C/svg%3E"); }
  .fa-icon-server { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M448 32l-448 0 0 192 448 0 0-192zM280 104a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm56 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0zM448 288l-448 0 0 192 448 0 0-192zM280 360a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm56 24a24 24 0 1 1 48 0 24 24 0 1 1 0-64z'/%3E%3C/svg%3E"); }
  .fa-icon-shield-check { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M267.6 4.5l207.5 80.5 19.2 7.4 1.2 20.5c2.9 50-4.9 126.3-37.3 200.9-32.7 75.2-91.1 150-189.4 192.6l-12.7 5.5-12.7-5.5C144.9 463.9 86.6 389.2 53.9 313.9 21.5 239.3 13.7 162.9 16.6 113L17.8 92.5 37 85 244.5 4.5 256 0 267.6 4.5zm45.8 165.3L227.8 287.6c-19.3-20-33.7-34.9-43.2-44.7l-34.5 33.3c6.2 6.4 27.2 28.1 63.1 65.2l19.8 20.6 16.8-23.1 102.4-140.8 14.1-19.4-38.8-28.2-14.1 19.4z'/%3E%3C/svg%3E"); }
  .fa-icon-phone { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M0 64L128 0 224.8 128 144 208c33 70.4 89.6 127 160 160l80-80.8 128 96.8-64 128-16 0C193.4 512 0 318.6 0 80L0 64z'/%3E%3C/svg%3E"); }
  .fa-icon-building { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath fill='currentColor' d='M384 0L0 0 0 512 384 512 384 0zM240 352l0 112-96 0 0-112 96 0zM96 96l64 0 0 64-64 0 0-64zm192 0l0 64-64 0 0-64 64 0zM96 224l64 0 0 64-64 0 0-64zm192 0l0 64-64 0 0-64 64 0z'/%3E%3C/svg%3E"); }
  .fa-icon-print { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M64 0l304 0 80 80 0 64-384 0 0-144zM0 192l512 0 0 192-64 0 0 128-384 0 0-128-64 0 0-192zM128 416l0 32 256 0 0-96-256 0 0 64zM456 272a24 24 0 1 0 -48 0 24 24 0 1 0 48 0z'/%3E%3C/svg%3E"); }
  .fa-icon-file-code { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath fill='currentColor' d='M0 0L240 0 384 144 384 512 0 512 0 0zM208 58.5L208 176 325.5 176 208 58.5zM154.2 295.6l15.6-18.2-36.4-31.2c-5 5.9-26.2 30.6-63.6 74.2L56.4 336c3.2 3.7 23.6 27.6 61.4 71.6l15.6 18.2 36.4-31.2c-7.2-8.5-24-28-50.2-58.6l34.6-40.4zm112-31.2l-15.6-18.2-36.4 31.2c7.2 8.5 24 28 50.2 58.6-26.2 30.6-43 50.1-50.2 58.6l36.4 31.2c5-5.8 26.2-30.6 63.6-74.2L327.6 336c-3.2-3.7-23.6-27.6-61.4-71.6z'/%3E%3C/svg%3E"); }
  .fa-icon-location-dot { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath fill='currentColor' d='M0 188.6C0 84.4 86 0 192 0S384 84.4 384 188.6C384 339.4 192 528 192 528S0 339.4 0 188.6zM192 256a64 64 0 1 0 0-128 64 64 0 1 0 0 128z'/%3E%3C/svg%3E"); }
  .fa-icon-wrench-simple { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath fill='currentColor' d='M128 160l64 64 64-64 0-160c74.6 26.4 128 92.4 128 176 0 71.1-38.6 133.1-96 166.3l0 169.7-192 0 0-169.7C38.6 309.1 0 247.1 0 176 0 92.4 53.4 26.4 128 0l0 160z'/%3E%3C/svg%3E"); }
  .fa-icon-chart-line-up { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M64 32l0 384 448 0 0 64-512 0 0-448 64 0zM304 349.3c-6.6-6.6-38.6-38.6-96-96-30.7 30.7-52 52-64 64L98.7 272c8.2-8.2 37.1-37.1 86.6-86.6L208 162.7c6.6 6.6 38.6 38.6 96 96l65.4-65.4-65.4-65.4 176 0 0 176-65.4-65.4C345.1 308.2 308.2 345.1 304 349.3z'/%3E%3C/svg%3E"); }
  .fa-icon-users-gear { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath fill='currentColor' d='M320 224a104 104 0 1 0 0-208 104 104 0 1 0 0 208zM96 232a72 72 0 1 0 0-144 72 72 0 1 0 0 144zm14.7 248l2.5-10.8 41.8-181.2-107 0-48 192 110.7 0zm49.3 0l184.6 0-2.1-3.7-24-41.6 32.4-18.7-32.4-18.7c14.7-25.4 33.3-57.7 56-97l16.3-28.3-182.8 0-48 208zM616 160a72 72 0 1 0 -144 0 72 72 0 1 0 144 0zM544 288l-64 0 0 33.2c-12.7 4.3-24.2 11-34 19.7l-28.8-16.6-32 55.4 28.8 16.6c-1.3 6.4-1.9 12.9-1.9 19.7s.7 13.3 1.9 19.7l-28.8 16.6 32 55.4 28.8-16.6c9.8 8.7 21.4 15.4 34.1 19.7l0 33.2 64 0 0-33.2c12.7-4.3 24.2-11 34.1-19.7l28.8 16.6 32-55.4-28.8-16.6c1.3-6.4 1.9-12.9 1.9-19.7s-.7-13.3-1.9-19.7l28.8-16.6-32-55.4-28.8 16.6c-9.8-8.7-21.4-15.4-34-19.7l0-33.2zM472 416a40 40 0 1 1 80 0 40 40 0 1 1 -80 0z'/%3E%3C/svg%3E"); }
  .fa-icon-network-wired { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M328 88l0 48-80 0 0-48 80 0zM248 32l-56 0 0 160 64 0 0 32-256 0 0 64 128 0 0 32-64 0 0 160 192 0 0-160-64 0 0-32 192 0 0 32-64 0 0 160 192 0 0-160-64 0 0-32 128 0 0-64-256 0 0-32 64 0 0-160-136 0zM120 376l80 0 0 48-80 0 0-48zm336 0l0 48-80 0 0-48 80 0z'/%3E%3C/svg%3E"); }
  .fa-icon-book-open-cover { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M288 140l0 248.1 27.8-9.9c48.4-17.3 99.3-26.1 150.7-26.1l45.5 0 0-256-45.5 0c-36.7 0-73.1 6.3-107.6 18.6-37.5 13.4-61.2 21.8-70.9 25.3zM512 32l64 0 0 384-109.5 0c-44 0-87.7 7.6-129.2 22.4L288 456 238.6 438.4C197.2 423.6 153.5 416 109.5 416L0 416 0 32 109.5 32c44 0 87.7 7.6 129.2 22.4L288 72 337.4 54.4C378.8 39.6 422.5 32 466.5 32L512 32zM0 464l109.5 0c46.8 0 93.2 8 137.2 23.8l41.3 14.7 41.3-14.7c44-15.7 90.5-23.8 137.2-23.8l109.5 0 0 48-109.5 0c-41.3 0-82.2 7.1-121.1 21l-49.4 17.6-8.1 2.9-8.1-2.9-49.4-17.6c-38.9-13.9-79.8-21-121.1-21L0 512 0 464z'/%3E%3C/svg%3E"); }
  .fa-icon-handshake { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M288 64l0 0 128 0 48 32 112-64 0 288-70.4 56C411.3 282.5 346.8 218.5 312 184l0 0-47.4 47.4c-21.5 21.5-52.1 28.2-79.3 20.1-.4-.1-.8-.2-1.1-.3-7-2.2-13.8-5.4-20.1-9.5-.4-.3-.9-.6-1.3-.9-3.9-2.7-7.7-5.8-11.2-9.4L144 224 288 64zM160 64l63.4 0c-90.8 100.9-139.4 154.8-145.6 161.7 25.6 25.6 38.8 38.8 39.6 39.6 50 50 131 50 181 0l13.6-13.6 157.9 156.6-41.3 34.4c-26.9-26.9-44.5-44.5-52.7-52.7L342.1 424c8.7 8.7 25.2 25.2 49.6 49.6l-7.7 6.4-62.1 0c-31.3-31.3-50.6-50.6-57.9-57.9L230.1 456c13 13 21 21 24 24L192 480 0 320 0 32 112 96 160 64z'/%3E%3C/svg%3E"); }
  .fa-icon-cloud { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M448 480L0 480 0 336c0-62.7 40.1-116 96-135.8L96 176c0-79.5 64.5-144 144-144 55.4 0 103.5 31.3 127.6 77.1 14.2-8.3 30.8-13.1 48.4-13.1 53 0 96 43 96 96l0 49.1c38.3 22.1 64 63.5 64 110.9l0 128-128 0z'/%3E%3C/svg%3E"); }
  .fa-icon-tv-retro { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M160-13.3c6.6 6.6 38.6 38.6 96 96 57.4-57.4 89.4-89.4 96-96L397.3 32c-12 12-33.3 33.3-64 64l178.7 0 0 384-512 0 0-384 178.7 0c-30.7-30.7-52-52-64-64L160-13.3zM384 160l-320 0 0 256 320 0 0-256zm88 72a24 24 0 1 0 -48 0 24 24 0 1 0 48 0zM448 336a24 24 0 1 0 0-48 24 24 0 1 0 0 48z'/%3E%3C/svg%3E"); }
  .fa-icon-triangle-exclamation { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M560 480L16 480 288-16 560 480zM260 356l0 56 56 0 0-56-56 0zm-4-196l12.8 160 38.4 0 12.8-160-64 0z'/%3E%3C/svg%3E"); }
  .fa-icon-hard-drive { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='currentColor' d='M448 32l-448 0 0 208 448 0 0-208zm0 256l-448 0 0 192 448 0 0-192zM224 384a32 32 0 1 1 64 0 32 32 0 1 1 -64 0zm128-32a32 32 0 1 1 0 64 32 32 0 1 1 0-64z'/%3E%3C/svg%3E"); }
  .fa-icon-up-right-and-down-left-from-center { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='currentColor' d='M512 0l0 208-71-71-96 96-17 17c-8.8-8.8-25.1-25.1-49-49l-17-17 17-17 96-96-71-71 208 0zM0 512l0-208 71 71 96-96 17-17c8.8 8.8 25.1 25.1 49 49l17 17-17 17-96 96 71 71-208 0z'/%3E%3C/svg%3E"); }
  .fa-icon-down-left-and-up-right-to-center { --fa-icon-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath fill='currentColor' d='M488.4-9.9c8.8 8.8 25.1 25.1 49 49l17 17-17 17-96 96 71 71-208 0 0-208 71 71 96-96 17-17zM272.4 272l0 208-71-71-96 96-17 17c-8.8-8.8-25.1-25.1-49-49l-17-17 17-17 96-96-71-71 208 0z'/%3E%3C/svg%3E"); }
  .main-col > .section:first-of-type { margin-top: var(--space-lg); }
  #sec-02 { order: 1; }
  #sec-03 { order: 2; }
  #sec-01 { order: 3; }
  #sec-04 { order: 4; }
  #sec-05 { order: 5; }
  #sec-06 { order: 6; }

  /* ── GROUP LABEL — "Managed IT Services" eyebrow above section I ── */
  .group-label {
    order: 0;
    margin-left: var(--section-offset);
    margin-bottom: calc(var(--space-xs) * -1);
    font-family: 'DM Mono', monospace;
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.7;
  }
  .group-label-sections {
    opacity: 0.6;
    letter-spacing: 0.06em;
  }

  /* ── GROUP DIVIDER — separates Server Managed from Site Management ── */
  .group-divider {
    order: 3;
    border: none;
    border-top: 1px solid var(--border);
    margin: var(--space-xs) var(--section-offset) var(--space-xs) var(--section-offset);
    opacity: 0.5;
  }

  /* ── GROUP STRIP — bracket alongside sections I–III ── */
  #sec-02::after, #sec-03::after, #sec-01::after {
    content: '';
    position: absolute;
    left: calc(var(--section-offset) * -1 + 2px);
    top: -8px;
    bottom: -8px;
    width: 6px;
    border-left: 3px solid var(--group-strip);
    pointer-events: none;
    z-index: 0;
  }
  /* Top cap — wraps around top of first section */
  #sec-02::after {
    top: 50%;
    border-top: 3px solid var(--group-strip);
    border-top-left-radius: 4px;
  }
  /* Bottom cap — wraps around bottom of last section */
  #sec-01::after {
    bottom: 50%;
    border-bottom: 3px solid var(--group-strip);
    border-bottom-left-radius: 4px;
  }

  .section-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: start;
    gap: var(--space-stack) var(--space-lg);
    margin-bottom: var(--space-2xl);
  }
  .section:not(.sec-open) .section-header {
    margin-bottom: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: var(--space-md);
    column-gap: var(--space-stack);
  }
  .section-num {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: var(--section-num-size);
    line-height: 1;
    color: var(--border);
    flex-shrink: 0;
    width: var(--section-num-width);
    user-select: none;
    position: absolute;
    left: calc(var(--section-offset) * -1);
    top: calc(var(--section-padding-top) - 2px);
    text-align: right;
  }
  .section-title-block {
    min-width: 0;
    max-width: none;
    width: 100%;
    grid-column: 1;
    grid-row: 1;
  }
  .section:not(.sec-open) .section-title-block {
    grid-column: 1;
    grid-row: 1;
    max-width: none;
    width: 100%;
  }
  .section:not(.sec-open) .section-num {
    position: absolute;
    left: calc(var(--section-offset) * -1);
    top: calc(var(--section-padding-top) - 2px);
    width: var(--section-num-width);
    font-size: clamp(22px, 2.2vw, 40px);
    color: var(--accent);
    text-align: right;
    opacity: 0.82;
  }
  .section:not(.sec-open) .section-title {
    max-width: none;
  }
  .section-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.375rem, 1.5vw, 1.75rem);
    font-weight: 600;
    color: var(--ink);
    line-height: var(--text-title-line);
    word-break: break-word;
    max-width: none;
    text-wrap: pretty;
  }
  .section-title-tag { font-size: 0.9375rem; font-weight: 400; opacity: 0.6; }
  .section-subtitle {
    grid-column: 1 / -1;
    grid-row: 3;
    font-size: var(--text-copy-size);
    color: var(--muted);
    margin-top: var(--space-xs);
    line-height: var(--text-copy-line);
    max-width: none;
  }
  .section-badge {
    font-family: 'DM Mono', monospace;
    font-size: var(--text-label-size);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--control-pad-y-tight) var(--control-pad-x-tight);
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    color: var(--muted);
    display: inline-block;
    margin-top: var(--space-stack-tight);
  }
  .section-toggle { cursor: pointer; user-select: none; }
  .sec-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: start;
    grid-column: 3;
    grid-row: 1;
    color: var(--muted);
    transition: transform var(--transition-medium) ease, color var(--transition-fast);
    flex-shrink: 0;
    transform: rotate(0deg);
    width: 34px;
    height: 34px;
    background: var(--surface-chevron);
    border-radius: var(--radius-control);
    margin-top: 2px;
  }
  .sec-open .sec-chevron { transform: rotate(180deg); color: var(--ink); background: var(--surface-chevron-active); }
  .section-toggle:hover .sec-chevron { color: var(--ink); background: var(--surface-chevron-active); }
  .sec-chevron svg { display: block; }
  .section-body {
    overflow: hidden;
    opacity: 1;
    transition: height 0.34s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.22s ease;
    will-change: height, opacity;
  }
  .section-content { min-width: 0; }
  .section-content > * + * { margin-top: var(--space-stack); }
  .section-content > .collapsible-header + .collapsible-body,
  .section-content > .collapsible-body + .collapsible-header {
    margin-top: 0;
  }
  .section-content > .feature-card-grid + .collapsible-header,
  .section-content > .callout-green + .feature-card-grid,
  .section-content > .callout-red + .feature-card-grid {
    margin-top: var(--space-stack-tight);
  }

  @container (max-width: 520px) {
    .section {
      margin-left: 0;
      padding: clamp(18px, 5cqi, 24px) clamp(18px, 5cqi, 22px) clamp(22px, 6cqi, 26px);
    }

    .section-header,
    .section:not(.sec-open) .section-header {
      grid-template-columns: auto minmax(0, 1fr) auto;
      column-gap: var(--space-stack-tight);
      row-gap: var(--space-sm);
      align-items: center;
    }

    .section-num,
    .section:not(.sec-open) .section-num {
      position: static;
      grid-column: 1;
      grid-row: 1;
      width: auto;
      font-size: 1rem;
      color: var(--accent);
      text-align: left;
      opacity: 0.85;
      align-self: center;
      margin-top: 0;
    }

    .section-title-block,
    .section:not(.sec-open) .section-title-block {
      grid-column: 2;
      grid-row: 1;
      max-width: none;
      width: 100%;
    }

    .section-title {
      font-size: 1.1rem;
      max-width: none;
    }

    .section-subtitle {
      font-size: 0.8125rem;
      max-width: none;
    }

    .sec-chevron {
      grid-column: 3;
      grid-row: 1;
      align-self: center;
      margin-top: 0;
    }

  }

  /* ── SECTION SUMMARY BADGE ──────────────────────────────────────
     Shown only when section is COLLAPSED (display:none by default).
     JS: setSummary(id, text) sets textContent + display:inline-block
     when collapsed(secId) && !!text. Hidden when section is open.
     On mobile (≤600px) placed in grid col 2 row 1 (top-right of header).
  ─────────────────────────────────────────────────────────────── */
  @keyframes badgeFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .sec-summary-badge {
    display: none;
    align-items: center;
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--surface-summary-badge);
    border: 2px solid var(--border-summary-badge);
    border-radius: var(--radius-control);
    padding: var(--control-pad-y-tight) var(--space-md);
    white-space: normal;
    line-height: var(--text-compact-line);
    max-width: min(100%, 26ch);
    margin-top: var(--space-md);
    text-align: left;
    align-self: flex-start;
    animation: badgeFadeIn 0.25s ease both;
  }
  .sec-open .sec-summary-badge {
    display: none !important;
  }
  .section:not(.sec-open) .sec-summary-badge {
    width: fit-content;
    max-width: 100%;
    margin-top: var(--space-md);
  }
  .section:not(.sec-open) .sec-chevron {
    position: static;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    margin-top: 2px;
  }
  /* Override collapsed chevron + summary badge position at small container */
  @container (max-width: 520px) {
    .section:not(.sec-open) .sec-chevron {
      grid-column: 3;
      align-self: center;
      margin-top: 0;
    }
    .section:not(.sec-open) .sec-summary-badge {
      width: 100%;
      max-width: none;
      margin-top: 0;
    }
  }

  /* Hide subtitle when collapsed — title + controls are enough */
  .section:not(.sec-open) .section-subtitle { display: none; }

  /* ── CONTROLS ROW (stepper + badge + summary — full-width row 2) ── */
  .sec-controls-row {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    align-items: stretch;
    gap: var(--space-stack-tight);
    margin-top: var(--space-xs);
  }
  .sec-controls-row .num-stepper {
    flex: 0 0 auto;
  }
  .sec-controls-row .num-input {
    width: 56px;
  }
  .section .sec-controls-row > .section-badge,
  .section .sec-controls-row > .sec-summary-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: stretch;
    min-height: 40px;
    margin: 0;
    padding: 0 var(--control-pad-x-tight);
    white-space: nowrap;
    line-height: 1;
    border-width: 1px;
    box-sizing: border-box;
    max-width: none;
  }
  .section .sec-controls-row > .section-badge {
    flex: 1 1 0%;
  }
  .section .sec-controls-row > .sec-summary-badge {
    flex: 0 0 auto;
  }
  .sec-open .sec-controls-row > .sec-summary-badge { display: none !important; }

  /* ── Controls row: small container — stack full-width ── */
  @container (max-width: 520px) {
    .sec-controls-row {
      grid-row: 2;
      flex-direction: column;
      gap: 6px;
    }
    .sec-controls-row .num-stepper {
      width: 100%;
      max-width: none;
    }
    .sec-controls-row .num-input {
      flex: 1 1 0%;
      width: auto;
      min-width: 0;
    }
    .sec-controls-row .step-btn {
      width: 40px;
      flex-shrink: 0;
    }
    .section .sec-controls-row > .section-badge,
    .section .sec-controls-row > .sec-summary-badge {
      width: 100%;
      max-width: none;
      align-self: stretch;
      justify-content: center;
      min-height: 36px;
    }
  }

  /* ── PILL TOGGLE (Section II — M365 vs BYOL) ───────────────────
     CSS-only toggle using hidden radio inputs + adjacent label styling.
     input:checked + label gets accent background.
     JS reads: document.getElementById("rateBYOL").checked
     On mobile (≤600px) stacks vertically (grid-template-columns:1fr).
  ─────────────────────────────────────────────────────────────── */
  .pill-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    overflow: hidden;
    margin-bottom: 0;
  }
  .pill-toggle input[type=radio] { display: none; }
  .pill-toggle label {
    padding: var(--space-lg) var(--space-xl);
    cursor: pointer;
    border-right: 1px solid var(--border);
    transition: background var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .pill-toggle label:last-child { border-right: none; }
  .pill-toggle input:focus-visible + label {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
  }
  .pill-toggle input:checked + label {
    background: var(--accent);
    color: var(--text-on-accent);
  }
  .pill-toggle input:checked + label .pill-price { color: var(--text-on-accent); }
  .pill-toggle input:checked + label .pill-desc { color: var(--text-on-accent-strong); }
  .pill-toggle label .pill-price {
    font-family: 'DM Mono', monospace;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--ink);
  }
  .pill-toggle label .pill-price small { font-size: 0.875rem; opacity: 0.6; }
  .pill-toggle label .pill-desc { font-size: 0.875rem; opacity: 0.7; }
  .pill-toggle label .pill-savings {
    display: block;
    font-size: 0.75rem;
    font-family: 'DM Mono', monospace;
    color: var(--green);
    margin-top: var(--space-xs);
    letter-spacing: 0.02em;
  }
  .pill-toggle input:checked + label .pill-savings { color: var(--text-pill-savings-active); }
  .pill-price .m365-price-grey {
    color: var(--muted);
    text-decoration: line-through;
    opacity: 0.5;
    margin-right: 6px;
    font-size: 1rem;
  }
  .pill-toggle input:checked + label .m365-price-grey {
    color: var(--text-on-accent);
    opacity: 0.45;
  }

  /* ── TIER SEGMENT (Section VI — VoIP Basic/Standard/Premium) ───
     3-column radio toggle. JS activateTier(tier) adds .active class.
     .active overrides text colours to white on accent background.
     Rates: basic $28 | standard $35 | premium $45 /seat/mo.
  ─────────────────────────────────────────────────────────────── */
  .tier-seg-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    overflow: hidden;
    margin-bottom: 0;
  }
  .tier-seg-wrap input[type=radio] { display: none; }
  .tier-seg-wrap input[type=radio]:focus-visible + .tier-seg {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
  }
  .tier-seg {
    padding: var(--space-stack-roomy) var(--space-stack-tight);
    cursor: pointer;
    border-right: 1px solid var(--border);
    text-align: center;
    transition: background var(--transition-fast);
  }
  .tier-seg:last-of-type { border-right: none; }
  .tier-seg.active { background: var(--accent); }
  .tier-seg .tier-name {
    font-family: 'DM Mono', monospace;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
  }
  .tier-seg.active .tier-name { color: var(--text-on-accent); }
  .tier-seg .tier-price {
    font-family: 'DM Mono', monospace;
    font-size: 1.375rem;
    color: var(--ink);
    margin-top: 3px;
  }
  .tier-seg.active .tier-price { color: var(--text-on-accent); }
  .tier-seg .tier-sub { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }
  .tier-seg.active .tier-sub { color: var(--text-on-accent-strong); }

  /* ── INNER COLLAPSIBLES (What's Included / Add-Ons) ────────────
     Separate from section-level collapse. JS toggleCollapsible(id)
     toggles .open on .collapsible-body and swaps +/- on toggle icon.
     .addon-preview-pill pills shown when collapsed (JS toggleCollapsible).
  ─────────────────────────────────────────────────────────────── */
  .collapsible-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border);
    user-select: none;
  }
  .collapsible-header--mt16 { margin-top: var(--space-stack-roomy); }
  .collapsible-header--addon { flex-wrap: wrap; gap: var(--space-xs); margin-top: 0; }
  .collapsible-toggle {
    color: var(--accent);
    width: 22px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    transition: transform var(--transition-medium) ease;
  }
  .collapsible-toggle.open { transform: rotate(180deg); }
  .collapsible-toggle .fa-icon  { display: block; }
  .collapsible-label {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
  }
  .addon-preview-wrap {
    display: flex; flex-wrap: wrap; gap: 5px;
    width: 100%; padding-left: var(--space-3xl); margin-top: 6px;
  }
  .addon-preview-pill {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    padding: var(--control-pad-y-tight) var(--control-pad-x-tight);
    white-space: nowrap;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  }
  .addon-preview-pill.active {
    color: var(--green);
    border-color: var(--green);
    background: var(--surface-positive-pill);
  }
  .collapsible-body {
    padding: var(--space-stack-tight) 0 var(--space-stack-tight) var(--space-3xl);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.2s ease;
  }
  .collapsible-body.open {
    max-height: 2000px;
    opacity: 1;
  }

  /* FEATURE LIST */
  .feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin: var(--space-xs) 0 0;
    padding: 0;
  }
  .feature-list li {
    font-size: var(--text-copy-size);
    color: var(--muted);
    line-height: var(--text-copy-line);
    padding-left: var(--space-lg);
    position: relative;
  }
  .feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-size: 11px;
  }
  .byol-mode .m365-feature { text-decoration: line-through; opacity: 0.55; }
  .byol-mode .m365-feature::before { color: var(--amber); }

  /* ── NUMBER INPUTS ──────────────────────────────────────────────
     .input-row    — flex row: label left, .num-input right
     .num-input    — DM Mono, text-align:center, oninput→update()
     On mobile (≤600px) input-row stacks (flex-direction:column)
     and num-input goes full width.
  ─────────────────────────────────────────────────────────────── */
  .input-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-stack-roomy) 0;
    border-top: 1px solid var(--border);
  }
  .input-label { font-family: 'Lato', sans-serif; font-weight: 700; font-size: 16px; }
  .input-sublabel { font-size: 13px; color: var(--muted); margin-top: 6px; line-height: var(--text-compact-line); }
  .num-stepper {
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
  }
  .step-btn {
    background: var(--surface-step);
    border: 1px solid var(--surface-step-border);
    color: var(--text-step);
    font-size: 20px;
    font-weight: 400;
    width: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.12s, color 0.12s;
    flex-shrink: 0;
    user-select: none;
    line-height: 1;
  }
  .step-btn:first-child { border-radius: var(--radius-control) 0 0 var(--radius-control); border-right: none; }
  .step-btn:last-child  { border-radius: 0 var(--radius-control) var(--radius-control) 0; border-left: none; }
  .step-btn:hover { background: var(--surface-step-hover); color: var(--ink); }
  .step-btn:active { background: var(--surface-step-active); color: var(--btn-primary-fg); border-color: var(--accent); }
  .num-input {
    background: var(--surface-input);
    border: 1px solid var(--surface-step-border);
    border-radius: 0;
    color: var(--ink);
    font-family: 'DM Mono', monospace;
    font-size: 22px;
    width: 72px;
    text-align: center;
    padding: var(--space-sm);
    outline: none;
  }
  .num-input:focus { border-color: var(--accent); }
  .num-input::-webkit-inner-spin-button,
  .num-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
  .num-input[type=number] { -moz-appearance: textfield; }

  /* ── ADDON ROWS ─────────────────────────────────────────────────
     .addon-row — clickable label wrapping a hidden checkbox.
     JS toggleAddon(cbId, rowId) toggles .selected class on row.
     .selected gets accent-tinted background + border.
     Price is right-aligned via margin-left:auto on .addon-price.
  ─────────────────────────────────────────────────────────────── */
  .addon-grid { display: flex; flex-direction: column; gap: var(--space-sm); }
  .addon-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-stack);
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.12s, border-color 0.12s;
  }
  .addon-row:hover {
    background: var(--surface-addon-hover);
    border-color: var(--border-addon-hover);
  }
  .addon-row input[type=checkbox] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-radius: 4px;
    background: transparent;
    flex-shrink: 0;
    margin-top: 3px;
    cursor: pointer;
    position: relative;
    transition: background var(--transition-fast), border-color var(--transition-fast);
  }
  .addon-row input[type=checkbox]:checked {
    background: var(--accent);
    border-color: var(--accent);
  }
  .addon-row input[type=checkbox]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border: solid var(--text-on-accent);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }
  .addon-row:hover input[type=checkbox] {
    border-color: var(--accent);
  }
  .addon-name { font-family: 'Lato', sans-serif; font-weight: 700; font-size: 15px; line-height: 1.35; }
  .addon-price {
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    color: var(--accent);
    white-space: nowrap;
    margin-left: auto;
    flex-shrink: 0;
  }
  .addon-desc { font-size: 13px; color: var(--muted); margin-top: 6px; line-height: var(--text-compact-line); }

  @container (max-width: 760px) {
    .addon-row {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      grid-template-rows: auto auto;
      column-gap: var(--space-stack-tight);
      row-gap: var(--space-sm);
      padding: var(--space-stack) var(--space-md);
      align-items: start;
    }

    .addon-row input[type=checkbox] {
      grid-column: 1;
      grid-row: 2;
      margin-top: 2px;
    }

    .addon-row > div {
      grid-column: 2;
      grid-row: 2;
      min-width: 0;
    }

    .addon-price {
      grid-column: 1 / -1;
      grid-row: 1;
      margin-left: 0;
      font-size: 0.8125rem;
      white-space: normal;
    }

    .addon-name {
      font-size: 0.875rem;
    }

    .addon-desc {
      font-size: 0.75rem;
    }
  }

  /* ── BYOL CALLOUTS (Section II) ────────────────────────────────
     Shown/hidden by JS based on BYOL toggle state.
     #byolCalloutGreen — M365 savings message (shown when M365 selected)
     #byolCalloutRed   — missed savings warning (shown when BYOL selected)
     display:flex + align-items:flex-start keeps icon pinned to
     first line; text wrapped in <span> so it never flows under icon.
  ─────────────────────────────────────────────────────────────── */
  .callout-green {
    background: var(--surface-success);
    border: 1px solid var(--surface-success-border);
    border-radius: var(--radius-control);
    padding: var(--space-stack-roomy) var(--space-xl);
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    color: var(--green);
    margin-bottom: 0;
    line-height: 1.65;
    display: flex;
    align-items: flex-start;
    gap: 9px;
  }
  .callout-red {
    background: var(--surface-danger);
    border: 1px solid var(--surface-danger-border);
    border-radius: var(--radius-control);
    padding: var(--space-stack-roomy) var(--space-xl);
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    color: var(--text-danger);
    margin-bottom: 0;
    line-height: 1.65;
    display: flex;
    align-items: flex-start;
    gap: 9px;
  }
  .hidden { display: none !important; }

  /* ── ADMIN FEE PROGRESS BAR (Section I) ────────────────────────
     Shows progress toward $650 engagement threshold.
     JS: progressEl width% = (baseSubtotal / ADMIN_FEE_MINIMUM) * 100
     baseSubtotal = users + endpoints + servers (NOT VoIP or ZT).
     Turns green at 100% (threshold met), stays blue below.
  ─────────────────────────────────────────────────────────────── */
  .progress-wrap { margin: var(--space-stack) 0 var(--space-stack-tight); }
  /* Threshold bar promoted outside section-body for always-visible display */
  .sec-01-threshold.progress-wrap { margin: var(--space-stack-roomy) 0 0; }
  .sec-01-threshold.floor-note { margin-top: var(--space-stack-tight); }
  .section:not(.sec-open) .sec-01-threshold.progress-wrap { margin-top: var(--space-stack); margin-bottom: 0; }
  .sec-open .sec-01-threshold + .floor-note + .section-body { margin-top: 0; }
  .progress-label {
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
  }
  .progress-track {
    height: 7px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
  }
  .progress-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--accent);
    transition: width 0.3s ease, background 0.3s;
  }

  /* ── ADMIN FEE BREAKDOWN TABLE (Section I) ─────────────────────
     Shows: Base Site Admin | ZT Supplement (if active) | Total.
     .fee-total row has top border separator and bold text.
     All values rendered by update() via getEl('sl-admin-val') etc.
  ─────────────────────────────────────────────────────────────── */
  .fee-table { width: 100%; border-collapse: collapse; margin-top: var(--space-stack-roomy); font-size: 14px; }
  .fee-table td { padding: var(--space-sm) 0; color: var(--muted); }
  .fee-table td:last-child { text-align: right; font-family: 'DM Mono', monospace; color: var(--ink); }
  .fee-table tr.fee-total td { border-top: 1px solid var(--border); padding-top: var(--space-stack); color: var(--ink); font-weight: 600; }

  /* ── FEATURE CARDS (Section I — What's Covered) ────────────────
     Static content — 8 cards in single-column grid.
     Each card has icon (inline SVG) + title (Poppins) + desc (Lato).
     Not dynamically rendered; content is hard-coded in HTML.
  ─────────────────────────────────────────────────────────────── */
  .feature-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-stack-roomy);
    margin-top: 0;
  }
  .feature-card {
    background: var(--surface-feature);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: var(--space-stack) var(--space-stack-roomy);
  }
  .feature-card-title { font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 0.9375rem; margin-bottom: var(--space-sm); display:flex; align-items:center; line-height: 1.35; }
  .feature-card-desc { font-size: 0.8125rem; color: var(--muted); line-height: var(--text-copy-line); }

  .m365-app-strip {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: var(--space-stack-roomy) var(--space-lg) var(--space-stack);
    background: var(--surface-feature);
  }
  .m365-app-list {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-md);
  }
  .m365-app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-align: center;
    padding: var(--space-stack-tight) var(--space-sm);
    border-radius: var(--radius-control);
    background: color-mix(in srgb, var(--surface-accent-soft) 44%, transparent);
  }
  .m365-app-icon {
    width: 17px;
    height: 17px;
    object-fit: contain;
    display: block;
  }
  .m365-app-name {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--ink);
  }
  .m365-app-strip-note {
    margin-top: var(--space-md);
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--muted);
  }
  .m365-app-note-byol { display: none; }
  .m365-app-strip.byol-disabled .m365-app-item {
    background: transparent;
    border: 1px dashed var(--border);
  }
  .m365-app-strip.byol-disabled .m365-app-icon {
    filter: grayscale(1) saturate(0.2);
    opacity: 0.4;
  }
  .m365-app-strip.byol-disabled .m365-app-name {
    color: var(--muted);
  }
  .m365-app-strip.byol-disabled .m365-app-note-default { display: none; }
  .m365-app-strip.byol-disabled .m365-app-note-byol {
    display: inline;
    color: var(--amber);
  }

  /* ── SIDEBAR (Desktop only, ≤1100px hidden) ─────────────────────
     .sidebar-header  — accent blue, shows "SVS MSP — LIVE QUOTE" + client name
     .sidebar-body    — all pricing lines, MRR total, notes, VS comparison,
                        nudge banner, export button
     .sidebar-line    — each service line (icon + label + value)
     .sidebar-mrr     — large Poppins 48px MRR total
     IMPORTANT: nudgeBanner sits between .sidebar-header and .sidebar-body.
     On mobile: the desktop sidebar is cloned into .mobile-panel-sheet
     with _m IDs and synced by update() via syncEl/syncClass.
  ─────────────────────────────────────────────────────────────── */
  .sidebar {
    --sidebar-rule-color: var(--sidebar-line-rule);
    --sidebar-copy-size: 0.84375rem;
    --sidebar-copy-line: 1.5;
    --sidebar-note-size: 0.78125rem;
    --sidebar-mono-size: 0.75rem;
    --sidebar-mrr-size: 2.8125rem;
    background: var(--surface-sidebar);
    border: 1px solid var(--border-sidebar);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-sidebar);
  }
  .sidebar-focus-backdrop {
    position: fixed;
    inset: 0;
    background: var(--surface-sidebar-focus-backdrop);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 520;
  }
  .sidebar-header {
    padding: var(--space-stack) 22px var(--space-md);
    background: var(--surface-sidebar-header);
  }
  .sidebar-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
  }
  .sidebar-title {
    font-family: 'DM Mono', monospace;
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-sidebar-kicker);
    margin-bottom: 0;
  }
  /* Print button inside sidebar header — only visible in focus mode */
  .sidebar-focus-print-btn {
    display: none;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 var(--space-stack);
    border: 1px solid var(--border-overlay-btn);
    border-radius: 10px;
    background: var(--surface-overlay-btn);
    color: var(--text-sidebar-kicker);
    font-family: 'DM Mono', monospace;
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition-fast) ease, border-color var(--transition-fast) ease;
    flex: 0 0 auto;
    margin-left: auto;
  }
  .sidebar-focus-print-btn:hover {
    background: var(--surface-overlay-btn-hover);
    border-color: var(--border-overlay-btn-hover);
  }
  .sidebar-focus-print-btn:active { transform: translateY(1px); }
  .sidebar-focus-toggle {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-overlay-btn);
    border-radius: 10px;
    background: var(--surface-overlay-btn);
    color: var(--text-sidebar-kicker);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast) ease, border-color var(--transition-fast) ease, transform var(--transition-fast) ease;
    flex: 0 0 auto;
  }
  .sidebar-focus-toggle:hover {
    background: var(--surface-overlay-btn-hover);
    border-color: var(--border-overlay-btn-hover);
  }
  .sidebar-focus-toggle:active { transform: translateY(1px); }
  .sidebar-focus-toggle:focus-visible {
    outline: 2px solid var(--focus-ring-overlay);
    outline-offset: 2px;
  }
  .sidebar-focus-icon-close { display: none; }
  .sidebar-focus-client {
    display: none;
    margin: var(--space-xs) 0 var(--space-lg);
    padding-top: 0;
    border-top: none;
  }
  .sidebar-focus-client-label {
    display: block;
    font-family: 'DM Mono', monospace;
    font-size: 0.625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--ink) 62%, var(--muted));
    margin-bottom: var(--space-sm);
  }
  .sidebar-focus-client-name {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: var(--space-stack);
  }
  .sidebar-body { padding: var(--space-stack) 22px var(--space-xl); background: var(--surface-sidebar-body); }
  .sidebar-focus-columns { display: block; }
  .sidebar-focus-col + .sidebar-focus-col { margin-top: var(--space-stack); }
  .sidebar-focus-col > #vsComparison { margin-top: var(--space-lg); }
  .sidebar-hero {
    margin-bottom: var(--space-stack);
  }
  .sidebar-group {
    display: flex;
    flex-direction: column;
    padding: var(--space-stack) var(--space-stack-roomy);
    border-radius: var(--radius-control);
  }
  .sidebar-group--monthly {
    background: var(--sidebar-zone-services);
  }
  .sidebar-group--tax {
    background: var(--sidebar-zone-tax);
  }
  .sidebar-group--invoice {
    background: var(--sidebar-zone-invoice);
  }
  .sidebar-group--value {
    background: var(--sidebar-zone-value);
  }
  .sidebar-group--summary {
    background: var(--sidebar-zone-summary);
  }
  .sidebar-group + .sidebar-group {
    margin-top: var(--space-stack);
  }
  /* Subtle hover tint for line scanning readability */
  .sidebar-line:hover {
    background: var(--sidebar-row-stripe);
  }
  .sidebar-group-title {
    display: block;
    flex: 0 0 auto;
    min-height: 12px;
    font-family: 'DM Mono', monospace;
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sidebar-group-title-color);
    margin: 0 0 var(--space-stack-tight);
  }
  .sidebar-line {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-stack);
    font-size: var(--sidebar-copy-size);
    color: var(--muted);
    line-height: var(--sidebar-copy-line);
    padding: var(--space-stack-tight) var(--space-xs);
    border-bottom: 1px var(--sidebar-line-rule-style) var(--sidebar-rule-color);
    border-radius: 2px;
  }
  /* Remove border on last visible line before a group boundary */
  .sidebar-group > .sidebar-line:last-child,
  #sidebarLines > .sidebar-line:last-of-type {
    border-bottom: none;
  }
  .sidebar-line > span:first-child { flex: 1 1 auto; min-width: 0; }
  .sidebar-line .val {
    font-family: 'DM Mono', monospace;
    color: var(--text-money);
    font-size: var(--sidebar-copy-size);
    line-height: 1.2;
    letter-spacing: 0.02em;
    flex: 0 0 auto;
    padding-left: var(--space-sm);
    text-align: right;
  }
  .sidebar-line .lbl-icon { margin-right: var(--space-sm); opacity: 0.82; }
  .sidebar-mrr-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-sm);
  }
  .sidebar-mrr {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: var(--sidebar-mrr-size);
    color: var(--text-money-hero);
    line-height: 0.94;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-stack-roomy);
  }
  .sidebar-line-value .val,
  .sidebar-line-opportunity .val {
    font-weight: 600;
  }
  .sidebar-line-value .lbl-icon .fa-icon,
  .sidebar-line-opportunity .lbl-icon .fa-icon {
    width: 15px;
    height: 15px;
  }
  .sidebar-line-opportunity {
    border-bottom-style: dotted;
  }
  .sidebar-line-opportunity .val {
    color: var(--amber);
  }

  /* ── VS IN-HOUSE COMPARISON ─────────────────────────────────────
     Shown only when users > 0 OR endpoints > 0 (JS toggles .hidden).
     Compares SVS MRR (annualised) vs 1-person Ottawa IT hire ($85K+tools)
     and 5-person team ($420K+tools). Savings rows turn amber if SVS
     costs MORE than the comparison (rare at low seat counts).
     updateVsComparison(q) renders this section in update().
  ─────────────────────────────────────────────────────────────── */
  .vs-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-stack-tight);
    margin-bottom: var(--space-stack-roomy);
  }
  .vs-brand-row {
    display: flex;
    align-items: center;
    gap: var(--space-stack-tight);
  }
  .vs-brand-logo {
    flex: 0 0 auto;
    display: block;
  }
  .vs-brand-name {
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--ink);
    letter-spacing: 0.02em;
  }
  .vs-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; line-height: 1.56; }
  .vs-table td { padding: 9px var(--space-xs); vertical-align: middle; }
  .vs-table td:last-child { text-align: right; font-family: 'DM Mono', monospace; white-space: nowrap; }
  .vs-table tr:first-child td { padding-top: 2px; padding-bottom: var(--space-stack-roomy); border-bottom: 1px solid var(--border); }
  .vs-table tr:nth-child(2) td,
  .vs-table tr:nth-child(4) td { padding-top: var(--space-stack-roomy); }
  .vs-save-row td {
    padding: 11px var(--space-stack);
    font-size: 0.71875rem;
    font-family: 'DM Mono', monospace;
    letter-spacing: 0.07em;
    line-height: 1.35;
  }
  .vs-save-row td:first-child { border-radius: 8px 0 0 8px; }
  .vs-save-row td:last-child  { border-radius: 0 8px 8px 0; }
  .vs-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.6875rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }
  .vs-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }

  /* ── INSIGHT NUDGE BANNER ───────────────────────────────────────
     Contextual sales insight shown at bottom of sidebar.
     Conditions (evaluated in update() → renderNudge()):
       amber — ZT active
       green — BYOL selected + users > 0
       green — PWM not selected + users > 0
     Auto-rotates every 30s via startNudgeRotation() (setInterval).
     Manual nav via cycleNudge(dir) — does NOT reset the timer.
     .nudge-nav-btn — SVG chevron pills (‹ ›), hidden when only 1 nudge.
     BOTH #nudgeBanner and #nudgeBanner_m are updated by renderNudge()
     via applyNudge('') and applyNudge('_m').
     nudgeBanner sits between .sidebar-header and .sidebar-body.
   ─────────────────────────────────────────────────────────────── */
  .nudge-banner {
    margin: 0;
    padding: var(--space-xl) 22px;
    font-size: 0.84375rem;
    line-height: 1.6;
    min-height: 132px;
    box-sizing: border-box;
    border-radius: var(--radius-control);
    transition: opacity 0.18s ease, background var(--transition-medium) ease, border-color var(--transition-medium) ease;
  }
  .nudge-banner.nudge-fading { opacity: 0; }
  .nudge-banner.amber {
    background: var(--surface-warning);
    color: var(--amber);
    border-left: 4px solid var(--amber);
  }
  .nudge-banner.green {
    background: var(--surface-success);
    color: var(--green);
    border-left: 4px solid var(--green);
  }
  .nudge-banner-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 1;
    display: block;
    margin-bottom: 0;
  }
  #nudgeCounter {
    font-size: 0.75rem;
    opacity: 0.55;
  }
  .nudge-nav-btn {
    background: var(--surface-ghost);
    border: 1px solid var(--border-nudge-nav);
    cursor: pointer;
    padding: 0;
    width: 34px;
    height: 34px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: inherit;
    flex-shrink: 0;
    transition: background var(--transition-fast), transform 0.1s;
  }
  .nudge-nav-btn:hover { background: var(--surface-ghost-hover); transform: scale(1.06); }
  .nudge-nav-btn:active { transform: scale(0.95); }
  .nudge-nav-btn .fa-icon { display: block; --icon-size: 16px; }

  /* ── QUOTE SETTINGS BAR ─────────────────────────────────────────
     Sits below the client bar, above Section I.
     Left: contract term 3-way toggle.
     Right: HST checkbox + one-time fee input.
     Tokenized left alignment stays matched to the section gutter.
   ─────────────────────────────────────────────────────────────── */

  /* ── SECTIONS TOOLBAR (Collapse All / Expand All) ───────────────── */
  .sections-toolbar {
    display: flex;
    justify-content: flex-start;
    margin-left: var(--section-offset);
    margin-bottom: var(--space-stack);
  }
  .btn-toggle-all {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: var(--control-min-height);
    font-family: 'DM Mono', monospace;
    font-size: var(--text-meta-size);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    padding: var(--control-pad-y) var(--control-pad-x);
    cursor: pointer;
    touch-action: manipulation;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  }
  .btn-toggle-all:hover {
    color: var(--ink);
    border-color: var(--accent);
    background: var(--surface-accent-soft);
  }

  .quote-settings-bar {
    margin-left: var(--section-offset);
    padding: clamp(18px, 2.4vw, 22px) clamp(20px, 2.8vw, 26px);
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) 1px minmax(18rem, 0.95fr);
    align-items: stretch;
    gap: 0;
    background: var(--surface-settings);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
  }
  .qs-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-stack-tight);
    container-type: inline-size;
    min-width: 0;
    width: 100%;
    padding: 0 clamp(18px, 2.5cqi, 24px) 0 0;
    max-width: none;
  }
  .qs-label {
    font-family: 'DM Mono', monospace;
    font-size: var(--text-meta-size);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .qs-label-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: 2px;
  }
  .qs-term-wrap {
    margin-bottom: 0;
    border: 1px solid var(--border-term-wrap);
    border-radius: var(--space-stack);
    background: var(--surface-term-wrap);
    box-shadow: var(--shadow-term-wrap);
  }
  .qs-term-wrap .tier-seg {
    padding: clamp(14px, 2.5cqi, 16px) clamp(12px, 2.3cqi, 14px) clamp(14px, 2.4cqi, 15px);
    background: var(--surface-term-tile);
    transition: background 0.18s, border-color 0.18s, box-shadow 0.18s, transform 0.18s;
  }
  .qs-term-wrap .tier-seg:hover {
    background: var(--surface-term-tile-hover);
  }
  .qs-term-wrap .tier-seg.active {
    background: var(--surface-term-tile-active);
    border-color: var(--border-term-tile-active);
    box-shadow: var(--shadow-term-tile-active);
  }
  .qs-term-wrap .tier-name {
    font-size: 12px;
    font-weight: 400;
    margin-bottom: 6px;
    color: var(--text-term-name);
    word-break: normal;
    overflow-wrap: normal;
    text-wrap: pretty;
  }
  .qs-term-wrap .tier-seg.active .tier-name {
    color: var(--text-term-name-active);
    font-weight: 700;
  }
  .qs-term-wrap .tier-sub {
    margin-top: 0;
    line-height: var(--text-compact-line);
    overflow-wrap: break-word;
    word-break: normal;
    text-wrap: pretty;
    color: var(--text-term-sub);
    font-weight: 400;
  }
  .qs-term-wrap .tier-seg.active .tier-sub {
    color: var(--text-term-sub-active);
    font-weight: 400;
  }
  .qs-term-wrap .tier-price { display: none; }

  /* Best Value badge on 24-month */
  .qs-best-badge {
    display: inline-flex;
    max-width: 100%;
    font-family: 'DM Mono', monospace;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-best-value);
    background: var(--surface-best-value);
    border: 1px solid var(--border-best-value);
    border-radius: var(--radius-control);
    padding: 2px var(--space-sm);
    vertical-align: middle;
    margin-left: 5px;
    line-height: 1.5;
    white-space: nowrap;
  }
  .tier-seg.active .qs-best-badge {
    color: var(--text-best-value-active);
    background: var(--surface-best-value-active);
    border-color: var(--border-best-value-active);
  }

  /* Discount sub-text — !important overrides parent .tier-seg color inheritance */
  .qs-discount-sub {
    color: var(--text-term-discount) !important;
    font-weight: 700;
  }
  .tier-seg.active .qs-discount-sub { color: var(--text-term-discount-active) !important; }
  .qs-savings-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-stack-tight);
    margin-top: var(--space-stack);
  }

  /* Dynamic savings row — appears below selector when discounted term active */
  .qs-savings-row {
    display: flex;
    align-items: center;
    gap: var(--space-stack-tight);
    font-family: 'DM Mono', monospace;
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
    color: var(--green);
    margin-top: 0;
    padding: var(--space-stack) var(--space-lg);
    border: 1px solid color-mix(in srgb, var(--green) 22%, var(--border));
    border-left: 4px solid var(--green);
    border-radius: var(--radius-control);
    background: color-mix(in srgb, var(--surface-positive-badge) 60%, transparent);
    line-height: 1.5;
  }
  .qs-savings-row.hidden { display: none; }
  .qs-savings-row .fa-icon { color: var(--green); flex-shrink: 0; opacity: 0.3; }
  .qs-savings-row strong { color: var(--green); font-weight: 700; }

  /* Vertical divider between contract term and onboarding fee */
  .qs-divider {
    width: 1px;
    height: auto;
    background: var(--surface-settings-divider);
    margin: 0;
    align-self: stretch;
  }

  .qs-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: 0 0 0 clamp(18px, 2.5cqi, 24px);
    justify-content: center;
    min-width: 0;
    max-width: none;
  }

  @container (max-width: 1040px) {
    .quote-settings-bar {
      grid-template-columns: 1fr;
      row-gap: var(--space-lg);
    }

    .qs-group {
      padding-right: 0;
    }

    .qs-divider {
      width: auto;
      height: 1px;
    }

    .qs-right {
      padding-left: 0;
    }
  }

  /* ── Custom toggle switch (replaces native checkbox for Waive) ── */
  .qs-toggle-row {
    display: flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    user-select: none;
  }
  .qs-toggle-row input[type=checkbox] { display: none; }
  .qs-toggle-row input[type=checkbox]:focus-visible + .qs-switch {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .qs-switch {
    width: 34px;
    height: 20px;
    background: var(--surface-switch-off);
    border-radius: 10px;
    position: relative;
    transition: background 0.2s;
    flex-shrink: 0;
  }
  .qs-switch::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--surface-switch-knob);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: left 0.2s, background 0.2s;
    box-shadow: var(--shadow-switch-knob);
  }
  .qs-toggle-row input:checked ~ .qs-switch { background: var(--surface-switch-on); }
  .qs-toggle-row input:checked ~ .qs-switch::after { left: 17px; }
  .qs-fee-waive:has(input:disabled) { opacity: 0.5; cursor: default; }
  .qs-fee-input:disabled { opacity: 0.4; cursor: not-allowed; }

  .qs-toggle-label {
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.04em;
  }
  .qs-fee-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-stack-tight);
    padding: var(--space-sm) 0 0;
  }
  .qs-fee-header {
    display: flex;
    align-items: center;
    gap: var(--space-stack-tight);
  }
  .qs-fee-waive {
    margin-left: 0;
    align-self: flex-start;
    padding: var(--control-pad-y-tight) var(--control-pad-x-tight);
    border: 1px solid var(--border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface-input) 85%, transparent);
  }
  .qs-fee-label {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    color: var(--ink);
    letter-spacing: 0.04em;
    line-height: var(--text-compact-line);
  }
  .qs-fee-input-wrap {
    display: flex;
    align-items: center;
    background: var(--surface-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    width: 100%;
  }
  .qs-fee-dollar {
    padding: 6px var(--space-sm);
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    color: var(--muted);
    background: var(--surface-input);
    border-right: 1px solid var(--border);
  }
  .qs-fee-input {
    background: var(--surface-input);
    border: none;
    color: var(--ink);
    font-family: 'DM Mono', monospace;
    font-size: 18px;
    width: 100%;
    min-width: 0;
    text-align: left;
    padding: var(--space-md) var(--space-stack);
    outline: none;
  }
  .qs-fee-input::placeholder {
    color: color-mix(in srgb, var(--muted) 86%, transparent);
    opacity: 1;
    font-size: 15px;
  }
  .qs-fee-input::-webkit-inner-spin-button,
  .qs-fee-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
  .qs-fee-input[type=number] { -moz-appearance: textfield; }
  /* ── INLINE-STYLE REPLACEMENT CLASSES ───────────────────────────
     These replace presentational style="" attributes that previously
     bypassed the design token system. All colours use tokens.
  ─────────────────────────────────────────────────────────────── */

  /* Section I — admin fee display row */
  /* .admin-fee-header base styles merged into the waived section definition at line ~1079 */
  .admin-fee-title  { font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1.375rem; }
  .admin-fee-val    { font-family: 'DM Mono', monospace; font-size: 1.375rem; color: var(--accent); }
  .admin-fee-sub    { font-size: 0.75rem; color: var(--muted); margin-bottom: var(--space-stack); line-height: var(--text-compact-line); }
  .floor-note       { font-size: 12px; color: var(--muted); margin-top: var(--space-stack-tight); margin-bottom: var(--space-stack-roomy); font-family: 'DM Mono', monospace; letter-spacing: 0.08em; text-transform: uppercase; line-height: var(--text-compact-line); }

  /* Sidebar sub-line rows (users/endpoints/admin breakdown text) */
  .sl-sub {
    font-size: var(--sidebar-mono-size);
    color: var(--muted);
    font-family: 'DM Mono', monospace;
    line-height: 1.6;
    letter-spacing: 0.02em;
    padding: var(--space-xs) 0 var(--space-stack) var(--space-2xl);
  }
  .sl-sub-row {
    display: grid;
    align-items: start;
  }
  .sl-sub-row-base {
    grid-template-columns: minmax(0, 1fr);
  }
  .sl-sub-row-addon {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: var(--space-md);
    padding: 5px 0 0;
    border-top: 1px dotted color-mix(in srgb, var(--sidebar-rule-color) 88%, transparent);
  }
  .sl-sub-row + .sl-sub-row {
    margin-top: 2px;
  }
  .sl-sub-copy {
    min-width: 0;
  }
  .sl-sub-row-addon .sl-sub-copy {
    padding-left: var(--space-md);
  }
  .sl-sub-val {
    color: var(--muted);
    text-align: right;
    white-space: nowrap;
  }

  /* Per-user cost section */
  .per-user-cost-sub { display: inline-block; font-size: 0.625rem; opacity: 0.6; font-weight: 400; margin-top: 3px; }
  .sidebar-note-mono { font-size: var(--sidebar-mono-size); padding: 2px 0 6px; font-family: 'DM Mono', monospace; line-height: 1.45; }

  /* VS Comparison block */
  .vs-comparison-wrap {
    margin-top: var(--space-stack-roomy);
    margin-bottom: var(--space-stack);
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    background: var(--surface-compare);
    border: 1px solid var(--border-compare);
    border-radius: var(--radius-card);
  }
  .vs-svs-label   { font-size: 0.9375rem; color: var(--text-vs-heading); font-weight: 600; line-height: 1.3; }
  .vs-val-accent  { color: var(--text-vs-accent); font-weight: 600; font-size: 0.9375rem; }
  .vs-td-muted    { color: var(--text-vs-muted); font-size: 0.8125rem; line-height: 1.45; }
  .vs-td-icon     { margin-right: 6px; opacity: 0.7; vertical-align: middle; }
  .vs-footnote    {
    font-size: 0.6875rem;
    color: var(--muted);
    margin-top: var(--space-stack);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
    line-height: 1.6;
    font-style: italic;
  }

  /* Side note icons and savings highlight */
  .savings-amount { color: var(--green); }
  .sl-otf-waived > span:first-child { color: var(--green); text-decoration: line-through; text-decoration-color: var(--green); }
  .sl-otf-waived .val { color: var(--green); }
  .sl-otf-waived .otf-amt { text-decoration: none; }
  .sl-otf-waived .otf-amt-strike { text-decoration: line-through; text-decoration-color: var(--green); opacity: 0.7; margin-right: var(--space-xs); }
  .sl-otf-waived .otf-waived-label { text-decoration: none; font-weight: 600; letter-spacing: 0.06em; font-size: 0.7rem; margin-right: var(--space-xs); }

  /* ── ADMIN FEE WAIVED display */
  .admin-fee-header { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-stack-tight); margin-bottom: 6px; }
  .admin-fee-waive-toggle { margin-left: auto; }
  .admin-fee-strike { text-decoration: line-through; color: var(--muted); text-decoration-color: var(--muted); }
  .admin-fee-waived-badge { font-family: 'DM Mono', monospace; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; color: var(--green); background: var(--surface-positive-badge); border: 1px solid var(--border-positive-badge); border-radius: var(--radius-control); padding: 2px var(--space-sm); vertical-align: middle; }
  .sl-admin-waived > span:first-child { text-decoration: line-through; text-decoration-color: var(--muted); color: var(--muted); }
  .admin-waive-savings { display: flex; align-items: center; gap: var(--space-sm); font-family: 'DM Mono', monospace; font-size: 0.78125rem; letter-spacing: 0.04em; color: var(--green); background: var(--surface-positive-panel); border: 1px solid var(--border-positive-panel); border-radius: var(--radius-control); padding: var(--space-stack-tight) var(--space-stack); margin-top: var(--space-md); margin-bottom: 6px; }
  .admin-waive-savings.hidden { display: none; }
  #adminWaivedAmt { font-weight: 700; }

  /* Nudge banner internal flex rows */
  .nudge-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-stack-tight); }
  .nudge-nav-group  { display: flex; gap: var(--space-sm); }

  /* VoIP savings prompt */
  .savings-prompt { font-size: 0.8125rem; color: var(--muted); margin-top: var(--space-sm); }

  /* ── SIDEBAR UTILITY CLASSES ─────────────────────────────────────
     .sl-muted        — de-emphasised row labels/values
     .sl-discount-val — green discount amount
     .sl-hst-val      — muted HST amount
  ─────────────────────────────────────────────────────────────── */
  /* Sidebar utility classes — !important overrides .sidebar-line .val compound selector */
  .sl-muted { color: var(--muted) !important; font-size: 0.6875rem; }
  .sl-discount-val { color: var(--green) !important; }
  .sl-discount-detail { font-size: 0.7rem; opacity: 0.7; }
  .sl-hst-val { color: var(--text-money) !important; font-size: var(--sidebar-copy-size); }
  .sidebar-line-discount { border-bottom-style: dashed; border-bottom-color: var(--sidebar-rule-color); opacity: 0.8; }
  .sidebar-line.sidebar-line-hst {
    margin-top: 0;
    padding-top: var(--space-stack-tight);
    padding-bottom: var(--space-stack-tight);
    border-top: 1px var(--sidebar-line-rule-style) var(--sidebar-rule-color);
    border-bottom: none;
  }
  .sidebar-line.sidebar-line-total {
    font-weight: 600;
    margin-top: 2px;
    border-top: 1px var(--sidebar-total-rule-style) var(--sidebar-total-rule);
    border-bottom: none;
    padding-top: var(--space-stack);
  }
  .sl-hst-toggle {
    justify-content: flex-start;
    margin: var(--space-sm) 0;
  }

  body.sidebar-focus-open { overflow: hidden; }
  body.sidebar-focus-open .sidebar-focus-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  body.sidebar-focus-open .side-col {
    position: relative;
    z-index: 530;
  }
  body.sidebar-focus-open .sidebar-utility { display: none; }
  body.sidebar-focus-open .side-col .export-wrap { display: none; }
  body.sidebar-focus-open .sidebar-focus-print-btn { display: inline-flex; }
  body.sidebar-focus-open .side-col .sidebar {
    position: fixed;
    top: calc(var(--top-bar-sticky-offset) + 10px);
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: min(var(--page-max-width), calc(100vw - 20px));
    max-height: calc(100vh - var(--top-bar-sticky-offset) - 20px);
    display: flex;
    flex-direction: column;
    z-index: 540;
    box-shadow: var(--shadow-sidebar-focus);
  }
  body.sidebar-focus-open .side-col .sidebar-focus-client {
    display: block;
  }
  body.sidebar-focus-open .side-col .sidebar-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: var(--space-4xl) var(--space-4xl) var(--space-3xl);
  }
  body.sidebar-focus-open .side-col .nudge-banner {
    display: none !important;
  }
  body.sidebar-focus-open .side-col #vsComparison {
    display: none !important;
  }
  body.sidebar-focus-open .side-col .sidebar-body > * {
    min-width: 0;
  }
  body.sidebar-focus-open .side-col .sidebar-hero {
    margin-bottom: var(--space-2xl);
  }
  body.sidebar-focus-open .side-col .sidebar-focus-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(560px, 0.98fr);
    gap: 0 42px;
    align-items: start;
  }
  body.sidebar-focus-open .side-col .sidebar-focus-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    min-width: 0;
  }
  body.sidebar-focus-open .side-col .sidebar-focus-col + .sidebar-focus-col {
    margin-top: 0;
  }
  body.sidebar-focus-open .side-col .sidebar-focus-col > .sidebar-group {
    margin-top: 0;
  }
  body.sidebar-focus-open .side-col .sidebar-focus-col > #vsComparison {
    margin-top: 0;
  }
  /* .export-wrap hidden in focus mode — see rule near line 1704 */
  body.sidebar-focus-open .sidebar-focus-icon-open { display: none; }
  body.sidebar-focus-open .sidebar-focus-icon-close { display: inline-flex; }
  .mobile-panel-sheet .sidebar-focus-toggle { display: none; }
  .mobile-panel-sheet .sidebar-focus-print-btn { display: none; }

  /* ── VS COMPARISON CSS CLASSES (replace inline styles) ──────────
     .vs-save-green — green "YOU SAVE" row background
     .vs-save-amber — amber "Costs more" row background
     .vs-val-green  — green text for savings value/label
     .vs-val-amber  — amber text for "costs more" value/label
  ─────────────────────────────────────────────────────────────── */
  .vs-save-green td { background: var(--surface-compare-success); }
  .vs-save-amber td { background: var(--surface-compare-warning); }
  /* VS value utility classes — !important overrides inherited td color */
  .vs-val-green     { color: var(--green) !important; }
  .vs-val-amber     { color: var(--amber) !important; }

  /* ── SECTION CARD HOVER / OPEN POLISH ───────────────────────────
     Subtle left accent glow on hover; stronger treatment when open.
  ─────────────────────────────────────────────────────────────── */
  .section {
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .section:hover {
    border-color: var(--section-hover-border);
    box-shadow: var(--section-hover-shadow);
  }
  .section.sec-open {
    border-color: var(--section-open-border);
    box-shadow: var(--section-open-shadow);
  }

  /* ── ADDON ROW SELECTED — stronger check indicator ──────────────
     .selected gets a more prominent border + check indicator via
     the checkbox's native accent-color. No pseudo-element needed.
  ─────────────────────────────────────────────────────────────── */
  @keyframes addonPulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.015); }
    100% { transform: scale(1); }
  }
  .addon-row.selected {
    background: var(--surface-selected);
    border-color: var(--accent);
    box-shadow: inset 3px 0 0 0 var(--accent);
    animation: addonPulse 0.2s ease;
  }
  .addon-row.selected .addon-name { color: var(--ink); }
  .addon-row.selected .addon-price { color: var(--text-selected-accent); }
  .addon-row.selected .addon-desc { color: color-mix(in srgb, var(--ink) 86%, var(--muted)); }

  /* ── QUOTE NOTES ────────────────────────────────────────────────
     Free-text notes field above export buttons.
     Persisted in localStorage, included in print + JSON export.
  ─────────────────────────────────────────────────────────────── */
  .quote-notes-wrap {
    padding: var(--space-md) var(--space-xl) 0;
  }
  .quote-notes-label {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    display: block;
    margin-bottom: 6px;
  }
  .quote-notes-input {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    color: var(--ink);
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    padding: var(--space-sm) var(--space-stack-tight);
    resize: vertical;
    min-height: 56px;
    max-height: 160px;
    outline: none;
    transition: border-color var(--transition-fast);
  }
  .quote-notes-input:focus {
    border-color: var(--accent);
  }
  .quote-notes-input::placeholder {
    color: var(--muted);
    opacity: 0.5;
  }

  /* ── EXPORT BUTTONS ─────────────────────────────────────────────
     Primary CTA: Print / Save PDF
     Secondary: Export JSON + Copy
  ─────────────────────────────────────────────────────────────── */
  .export-wrap {
    padding: var(--space-stack-roomy) var(--space-xl) var(--space-lg);
    background: transparent;
    border-top: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-stack-tight);
  }
  .btn-export {
    width: 100%;
    background: var(--accent);
    color: var(--btn-primary-fg);
    border: none;
    border-radius: var(--radius-control);
    min-height: var(--control-min-height);
    padding: var(--control-pad-y) var(--control-pad-x);
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition-fast), transform 0.1s, filter var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .btn-export:hover  {
    background: var(--btn-primary-hover);
    filter: brightness(1.15);
    box-shadow: var(--shadow-export-hover);
  }
  .btn-export:active { transform: scale(0.97); filter: brightness(0.95); }
  .btn-export-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.71875rem;
    padding: var(--space-stack-tight) var(--space-stack);
  }
  .btn-export-secondary:hover { background: var(--card); border-color: var(--accent); color: var(--ink); }

  /* ── VOIP PHONE BILL SAVINGS ESTIMATOR (Section VI) ────────────
     Optional input: current monthly phone bill.
     updateSavings(q) compares against voipTotal and shows green
     savings message or amber warning if VoIP costs more.
     On mobile stacks vertically (flex-direction:column).
  ─────────────────────────────────────────────────────────────── */
  .savings-input-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-stack-roomy);
    padding-top: var(--space-stack-roomy);
    border-top: 1px solid var(--border);
  }
  .savings-input-row label {
    font-size: 0.875rem;
    color: var(--muted);
    flex: 1;
  }
  .savings-input-row input {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-control);
    color: var(--ink);
    font-family: 'DM Mono', monospace;
    font-size: 1.125rem;
    width: 120px;
    text-align: center;
    padding: var(--control-pad-y-tight) var(--control-pad-x-tight);
    outline: none;
  }
  .savings-result {
    margin-top: var(--space-md);
    background: var(--surface-success);
    border: 1px solid var(--surface-success-border);
    border-radius: var(--radius-control);
    padding: var(--control-pad-y) var(--control-pad-x);
    font-family: 'DM Mono', monospace;
    font-size: 0.875rem;
    color: var(--green);
    line-height: 1.65;
  }
  /* Amber modifier — toggled by JS (classList.add/remove) when VoIP quote > current bill */
  .savings-result.savings-amber {
    background: var(--surface-warning-panel);
    border-color: var(--surface-warning-border);
    color: var(--amber);
  }

  /* ── BOTTOM PITCH BANNER ────────────────────────────────────────
     4-column grid (2-col on tablet/mobile) outside the .outer grid.
     .pitch-inner has margin-left:96px to align with section cards.
     Columns: Security-First | Ottawa-Based | Flat-Rate | Scales With You
     .pitch-footer — green strip at bottom with tagline.
     Icons are inline SVG (FA Free 6.5.0 paths), accent blue.
  ─────────────────────────────────────────────────────────────── */
  .pitch-wrap {
    width: 100%;
    padding: 0;
    margin: 0;
  }
  .pitch-inner {
    margin-left: 0;
    background: var(--card);
    border: none;
    border-top: 1px solid var(--border);
    border-radius: 0;
    overflow: hidden;
  }
  .pitch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }
  .pitch-item {
    padding: 26px 22px;
    border-right: 1px solid var(--border);
  }
  .pitch-item:last-child { border-right: none; }
  .pitch-head {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-stack-tight);
    min-height: 28px;
  }
  .pitch-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    font-size: 20px;
    color: var(--accent);
  }
  .pitch-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.3;
    margin: 0;
  }
  .pitch-desc { font-size: var(--text-copy-size); color: var(--muted); line-height: var(--text-copy-line); }
  .pitch-footer {
    background: var(--surface-success);
    border-top: 1px solid var(--surface-success-border);
    padding: var(--space-md) var(--space-3xl);
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    color: var(--green);
    letter-spacing: 0.05em;
    text-align: center;
  }

  @media (min-width: 1500px) {
    .quote-settings-bar {
      gap: var(--space-stack-tight);
    }

    .section-header {
      margin-bottom: var(--space-3xl);
    }

    .sidebar-mrr {
      font-size: 52px;
    }

    .pill-toggle label {
      padding: var(--space-xl) 22px;
    }
  }