/* ============================================================
   BEAMLINE — ElectronOptics.com design-refresh tokens & chrome
   Loaded after the template CSS, before customisations.css.
   Origin: wwwroot/design-ideas/assets/beamline.css (2026-07 refresh).
   ============================================================ */

:root {
    /* Colour — evolved from the previous brand (#428bca / #384248 / #263238) */
    --ink: #1B262C;
    --ink-deep: #141D22;
    --slate: #37474F;
    --slate-2: #62757F;
    --paper: #FFFFFF;
    --fog: #F1F4F6;
    --hairline: #D9E1E6;
    --beam: #3D7EBB;
    --beam-deep: #2B5E92;
    --beam-tint: #E5EFF7;
    --beam-on-dark: #8FB3D4;
    --phosphor: #1F9D6B;
    --phosphor-bright: #5CE0A5;
    --phosphor-tint: #E4F5EE;
    --amber: #A96D14;
    --amber-tint: #FBF3E2;

    /* Type */
    --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --sans: 'Source Sans 3', 'Segoe UI', Arial, sans-serif;
    --mono: 'IBM Plex Mono', Consolas, 'Courier New', monospace;

    --radius: 2px;
}

/* ---- base type ------------------------------------------------ */
body {
    font-family: var(--sans);
    color: var(--ink);
}

h1, h2, h3 { font-family: var(--serif); }

:focus-visible {
    outline: 2px solid var(--beam);
    outline-offset: 2px;
    border-radius: var(--radius);
}

/* ---- restyle existing chrome ---------------------------------- */
.middle-header { border-bottom: 1px solid var(--hairline); }
.middle-header .nav-link {
    font-family: var(--sans); font-size: 13px; font-weight: 600;
    letter-spacing: 0.07em; text-transform: uppercase;
    color: var(--slate); border-bottom: 2px solid transparent;
}
.middle-header .nav-link:hover { color: var(--ink); border-bottom-color: var(--hairline); }
.middle-header .nav-link.active { color: var(--beam-deep); border-bottom-color: var(--beam); }
.middle-header .dropdown-menu { border: 1px solid var(--hairline); border-radius: var(--radius); }
.middle-header .dropdown-item { font-family: var(--sans); color: var(--slate); }
.middle-header .dropdown-item:hover { background: var(--beam-tint); color: var(--beam-deep); }

.footer { background: var(--ink); color: #C3CBD1; margin-top: 72px; padding: 40px 0; }
.footer h6 {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--beam-on-dark); border: 0;
}
.footer .list-group-item {
    background: transparent; border: 0; color: #C3CBD1;
    font-size: 14.5px; padding: 3px 0;
}
.footer .list-group-item:hover,
.footer .list-group-item:focus {
    color: #fff; text-decoration: underline; background: transparent;
}
.copyright {
    background: var(--ink-deep); color: #8A97A0;
    font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.04em;
    padding: 12px;
}
.back-top { background: var(--ink); }
.back-top:hover { background: var(--ink-deep); }

/* ---- hero band ------------------------------------------------ */
.hero-band {
    position: relative;
    background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
    color: var(--paper);
    overflow: hidden;
    margin-bottom: 32px;
}
.hero-band .container-fluid.limited {
    position: relative; z-index: 1;
    padding-top: 44px; padding-bottom: 44px;
}
.hero-band h1 {
    font-family: var(--serif);
    font-size: clamp(26px, 4.5vw, 40px);
    font-weight: 600; line-height: 1.12;
    margin: 0;
    max-width: 20em;
    color: var(--paper);
}
.hero-band .lede {
    font-size: 17px; color: #B9C7CF;
    max-width: 36em; margin: 12px 0 0;
}
.hero-band .lede a { color: var(--beam-on-dark); }

.hero-rays {
    position: absolute; right: -40px; top: 50%;
    transform: translateY(-50%);
    height: 130%; width: auto;
    opacity: 0.85;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.3) 35%, #000 65%);
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.3) 35%, #000 65%);
}
@media (max-width: 760px) { .hero-rays { opacity: 0.3; } }
.hero-rays path.ray {
    stroke-dasharray: 900;
    stroke-dashoffset: 900;
    animation: raydraw 1.6s ease-out forwards;
}
.hero-rays path.ray:nth-child(2) { animation-delay: 0.08s; }
.hero-rays path.ray:nth-child(3) { animation-delay: 0.16s; }
.hero-rays path.ray:nth-child(4) { animation-delay: 0.24s; }
.hero-rays path.ray:nth-child(5) { animation-delay: 0.32s; }
@keyframes raydraw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
    .hero-rays path.ray { stroke-dasharray: none; stroke-dashoffset: 0; animation: none; }
}

/* ---- labels --------------------------------------------------- */
.eyebrow {
    font-family: var(--mono);
    font-size: 11px; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--beam-on-dark);
    margin: 0 0 10px;
}
.eyebrow::before { content: "— "; color: var(--phosphor-bright); }

.section-eyebrow {
    font-family: var(--mono);
    font-size: 11px; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--beam-deep); margin: 0 0 8px;
}
.section-eyebrow::before { content: "— "; color: var(--phosphor); }

h2.section-title {
    font-family: var(--serif);
    font-size: 26px; font-weight: 600; line-height: 1.2;
    margin: 0 0 10px;
}

/* ---- components ----------------------------------------------- */
.btn-bl {
    display: inline-block;
    font-family: var(--sans); font-size: 15px; font-weight: 600;
    padding: 10px 22px; border-radius: var(--radius);
    text-decoration: none; cursor: pointer; border: 1px solid transparent;
    line-height: 1.4;
}
.btn-beam { background: var(--beam); color: #fff; }
.btn-beam:hover { background: var(--beam-deep); color: #fff; text-decoration: none; }
.btn-beam-ghost { background: transparent; color: var(--ink); border-color: var(--slate-2); }
.btn-beam-ghost:hover { border-color: var(--ink); color: var(--ink); text-decoration: none; }
.btn-on-dark { background: var(--paper); color: var(--ink); }
.btn-on-dark:hover { background: var(--fog); color: var(--ink); text-decoration: none; }
.btn-bl[disabled], .btn-bl.disabled { opacity: 0.45; cursor: not-allowed; }

.chip {
    display: inline-block;
    font-family: var(--mono); font-size: 10.5px; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 3px 8px; border: 1px solid var(--hairline);
    border-radius: var(--radius); color: var(--slate);
    background: var(--paper);
}
.badge-kickoff {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--mono); font-size: 10.5px; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--phosphor); padding: 3px 8px;
    border: 1px solid var(--phosphor); border-radius: var(--radius);
    background: var(--phosphor-tint);
}
.badge-kickoff::before {
    content: ""; width: 6px; height: 6px; border-radius: 50%;
    background: var(--phosphor);
}
.badge-away {
    display: inline-block; font-family: var(--mono); font-size: 10.5px;
    letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate-2);
    padding: 3px 8px; border: 1px dashed var(--hairline); border-radius: var(--radius);
}

.card-beam {
    background: var(--paper);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 22px;
}
.card-beam:hover { border-color: var(--beam); }

.mono { font-family: var(--mono); }
.small-note { font-size: 13.5px; color: var(--slate-2); }

.note-amber {
    background: var(--amber-tint);
    border: 1px solid #EAD9B4;
    border-left: 3px solid var(--amber);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 14px; color: #6B4A10;
}

table.data-table {
    width: 100%; border-collapse: collapse;
    font-size: 15px;
}
table.data-table th {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--slate-2); text-align: left;
    padding: 10px 14px; border-bottom: 2px solid var(--ink);
}
table.data-table td {
    padding: 12px 14px; border-bottom: 1px solid var(--hairline);
    vertical-align: top;
}
table.data-table td.num, table.data-table th.num { text-align: right; font-family: var(--mono); font-size: 14px; }
table.data-table tr:hover td { background: var(--fog); }

.cta-band {
    background: var(--ink);
    color: var(--paper);
    position: relative; overflow: hidden;
}
.cta-band .container-fluid.limited {
    padding-top: 40px; padding-bottom: 40px;
    display: flex; flex-wrap: wrap; align-items: center; gap: 20px 40px;
    position: relative; z-index: 1;
}
.cta-band h2 { font-family: var(--serif); font-size: 24px; font-weight: 600; margin: 0 0 6px; color: var(--paper); }
.cta-band p { margin: 0; color: #B9C7CF; max-width: 42em; }
.cta-band .cta-copy { flex: 1 1 380px; }

.section { padding: 48px 0; }
.section.alt { background: var(--fog); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

/* ---- pricing configurator -------------------------------------- */
.config-grid {
    display: grid; grid-template-columns: minmax(0, 1fr) 372px;
    gap: 36px; align-items: start;
    padding-top: 8px; padding-bottom: 24px;
}
@media (max-width: 980px) { .config-grid { grid-template-columns: 1fr; } }

.step-label {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase; color: var(--beam-deep);
    margin: 0 0 14px;
}
.step-label::before { content: "— "; color: var(--phosphor); }
.config-step + .config-step { margin-top: 40px; }

.edition { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.edition-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.edition-head h3 { font-family: var(--serif); font-size: 21px; font-weight: 600; margin: 0; }
.edition-head h3 a { color: var(--ink); text-decoration: none; }
.edition-head h3 a:hover { color: var(--beam-deep); text-decoration: underline; }
.edition-head .best {
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--phosphor);
    border: 1px solid var(--phosphor); border-radius: var(--radius);
    padding: 2px 7px; background: var(--phosphor-tint);
}
.edition-head .unit-price { margin-left: auto; font-family: var(--mono); font-size: 17px; }
.edition-head .unit-price .per { font-size: 11px; color: var(--slate-2); }
.edition p.desc { margin: 0; color: var(--slate); }
.edition-foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.edition-foot .chips { display: flex; gap: 6px; flex-wrap: wrap; }
.edition.selected { border-color: var(--beam); box-shadow: inset 3px 0 0 var(--beam); }

.qty {
    margin-left: auto; display: inline-flex; align-items: stretch;
    border: 1px solid var(--hairline); border-radius: var(--radius);
}
.qty button {
    width: 34px; border: 0; background: var(--fog); cursor: pointer;
    font-size: 17px; color: var(--slate); line-height: 1;
}
.qty button:hover { background: var(--beam-tint); color: var(--beam-deep); }
.qty output {
    width: 44px; display: grid; place-items: center;
    font-family: var(--mono); font-size: 15px;
    border-left: 1px solid var(--hairline); border-right: 1px solid var(--hairline);
}

.free-strip {
    display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
    background: var(--fog); border: 1px dashed var(--hairline);
    border-radius: var(--radius); padding: 14px 18px; font-size: 14.5px;
    color: var(--slate);
}
.free-strip .free-tag {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--phosphor);
}
.free-strip .free-cta { margin-left: auto; }
.free-strip span:not(.free-tag) { flex: 1 1 280px; }

.toggle-row { display: flex; gap: 14px; align-items: flex-start; }
.toggle-row input[type="checkbox"] { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--beam); }
.toggle-row label b { display: block; font-size: 16px; }
.toggle-row label span { font-size: 14px; color: var(--slate-2); font-weight: normal; }

.discount-table { margin-top: 18px; max-width: 460px; }
.discount-table caption {
    text-align: left; font-size: 14px; color: var(--slate);
    padding-bottom: 8px; caption-side: top;
}

.quote-rail { position: sticky; top: 20px; }
.quote-card { border: 1px solid var(--hairline); border-top: 3px solid var(--beam); border-radius: var(--radius); background: var(--paper); }
.quote-card .q-pad { padding: 18px 20px; }
.quote-card .q-head {
    border-bottom: 1px solid var(--hairline);
    display: flex; align-items: center; padding: 18px 20px;
}
.quote-card .q-head h2 {
    font-family: var(--mono); font-size: 12px; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase; margin: 0;
}
.currency-seg { display: flex; border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; }
.currency-seg button {
    flex: 1; border: 0; background: var(--paper); cursor: pointer;
    font-family: var(--mono); font-size: 12px; padding: 7px 0; color: var(--slate);
    border-right: 1px solid var(--hairline);
}
.currency-seg button:last-child { border-right: 0; }
.currency-seg button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.currency-seg button[disabled] { opacity: 0.4; cursor: not-allowed; }
.q-lines { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.q-line { display: flex; justify-content: space-between; gap: 12px; font-size: 14.5px; padding: 4px 0; }
.q-line .mono { font-size: 13.5px; }
.q-empty { color: var(--slate-2); font-size: 14.5px; font-style: italic; margin: 0; }
.q-total { display: flex; justify-content: space-between; align-items: baseline; }
.q-total .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--slate-2); }
.q-total .amount { font-family: var(--mono); font-size: 26px; font-weight: 500; }
.q-meta { font-size: 12.5px; color: var(--slate-2); margin: 6px 0 0; }
.q-meta .valid { color: var(--phosphor); }
.q-warn { display: none; margin: 10px 20px 0; }
.q-warn.show { display: block; }
.q-actions { display: grid; gap: 10px; }
.q-actions form { display: grid; gap: 10px; }
.q-prepare { border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--fog); }
.q-prepare summary {
    cursor: pointer; padding: 8px 12px;
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate-2);
}
.q-prepare summary:hover { color: var(--beam-deep); }
.q-prepare summary .optional { text-transform: none; letter-spacing: 0.03em; }
.q-prepare-fields { display: grid; gap: 10px; padding: 2px 12px 12px; }
.q-prepare-fields label {
    display: grid; gap: 3px;
    font-size: 12.5px; font-weight: 600; color: var(--slate-2);
}
.q-prepare-fields input, .q-prepare-fields textarea {
    font: inherit; font-size: 14px; font-weight: normal; color: var(--ink);
    padding: 6px 9px; background: var(--paper);
    border: 1px solid var(--hairline); border-radius: var(--radius);
}
.q-prepare-fields input:focus, .q-prepare-fields textarea:focus {
    outline: none; border-color: var(--beam);
}
.q-prepare-fields ::placeholder { color: var(--slate-2); opacity: 0.6; }
.q-actions .btn-bl { text-align: center; }
.q-actions .q-paper { font-family: var(--serif); font-size: 18px; font-weight: 600; margin: 0; }
.q-actions .q-paper-sub { font-size: 13px; color: var(--slate-2); margin: -4px 0 2px; }
.q-pay { font-family: var(--mono); font-size: 11px; color: var(--slate-2); text-align: center; letter-spacing: 0.03em; margin: 0; }

.help-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.help-cols h3 { font-family: var(--serif); font-size: 18px; margin: 0 0 6px; }
.help-cols p { margin: 0; font-size: 14.5px; color: var(--slate); }

/* ---- resellers -------------------------------------------------- */
.region-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.region-card { display: flex; flex-direction: column; gap: 12px; }
.region-code {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase; color: var(--beam-deep);
    display: flex; align-items: center; gap: 10px;
}
.region-code::after { content: ""; flex: 1; height: 1px; background: var(--hairline); }
.region-card h3 { font-family: var(--serif); font-size: 20px; font-weight: 600; margin: 0; }
.region-card .partner-city { font-size: 14px; color: var(--slate-2); margin: -6px 0 0; }
.region-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 14px; }
.region-card dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate-2); padding-top: 3px; }
.region-card dd { margin: 0; color: var(--slate); }
.region-card .card-actions { margin-top: auto; padding-top: 8px; }
.region-card.pending { border-style: dashed; }
.region-card.pending h3 { color: var(--slate-2); }
.region-card.direct { border-top: 3px solid var(--phosphor); }

.how-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.how-cols h3 { font-family: var(--serif); font-size: 18px; margin: 8px 0 6px; }
.how-cols p { margin: 0; font-size: 14.5px; color: var(--slate); }
.how-cols .glyph-line { color: var(--phosphor); font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---- consultants ------------------------------------------------ */
.kickoff-steps {
    display: flex; gap: 26px; flex-wrap: wrap;
    padding: 0; margin: 0; list-style: none;
}
.kickoff-steps li { flex: 1 1 200px; max-width: 320px; }
.kickoff-steps .n {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--phosphor);
}
.kickoff-steps b { display: block; font-size: 16px; margin: 4px 0 2px; }
.kickoff-steps .d { font-size: 14px; color: var(--slate-2); }

.chipbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 26px; }
.chipbar button {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 6px 12px; border: 1px solid var(--hairline); border-radius: var(--radius);
    background: var(--paper); color: var(--slate); cursor: pointer;
}
.chipbar button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chipbar .sep { width: 1px; background: var(--hairline); margin: 2px 4px; }

.rows { display: grid; gap: 14px; }
.row-card { display: grid; grid-template-columns: 64px minmax(0,1.4fr) minmax(0,1fr) auto; gap: 18px; align-items: center; }
@media (max-width: 860px) { .row-card { grid-template-columns: 64px 1fr; } .row-card .col-tags, .row-card .col-act { grid-column: 2; } }
.row-card.hidden-card { display: none; }
.avatar {
    width: 64px; height: 64px; border-radius: 50%;
    background: var(--fog); border: 1px solid var(--hairline);
    display: grid; place-items: center;
    font-family: var(--serif); font-size: 20px; font-weight: 600; color: var(--slate);
}
.row-card h3 { font-family: var(--serif); font-size: 19px; font-weight: 600; margin: 0; }
.row-card .aff { font-size: 13.5px; color: var(--slate-2); }
.row-card .bio { font-size: 14px; color: var(--slate); margin: 6px 0 0; }
.row-card .c-stats { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--beam-deep); display: block; margin-bottom: 8px; }
.row-card .c-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.col-act { display: grid; gap: 8px; justify-items: end; }
@media (max-width: 860px) { .col-act { justify-items: start; } }

/* ---- consultant registration ------------------------------------ */
.register-grid {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 40px; align-items: start;
}
@media (max-width: 900px) { .register-grid { grid-template-columns: 1fr; } }
.register-points { list-style: none; margin: 14px 0 18px; padding: 0; display: grid; gap: 12px; }
.register-points li { font-size: 15px; color: var(--slate); padding-left: 18px; position: relative; }
.register-points li::before { content: "—"; position: absolute; left: 0; color: var(--phosphor); }
.register-points b { color: var(--ink); }

.register-form { display: grid; gap: 16px; }
.field label {
    display: block; font-size: 13px; font-weight: 600;
    letter-spacing: 0.02em; margin-bottom: 5px;
}
.field input, .field select, .field textarea {
    width: 100%; padding: 9px 12px; font-family: var(--sans); font-size: 15px;
    border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--paper);
}
.field textarea { resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.register-form .btn-bl { justify-self: start; }

/* Honeypot: visually removed, still in the form for bots. */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px; height: 1px; overflow: hidden;
}

/* ---- downloads offer cards --------------------------------------- */
.offer-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px; padding-top: 8px;
}
.offer-card { display: flex; flex-direction: column; gap: 12px; }
.offer-card h2 { font-family: var(--serif); font-size: 24px; font-weight: 600; margin: 0; }
.offer-card p { margin: 0; color: var(--slate); }
.offer-tag {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--phosphor);
    margin: 0;
}
.offer-eval { border-top: 3px solid var(--beam); }
.offer-eval .offer-tag { color: var(--beam-deep); }
.offer-includes { font-family: var(--mono); font-size: 12px; color: var(--slate-2); }
.offer-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.offer-actions { margin-top: auto; padding-top: 10px; }
.offer-footnotes { margin-top: 24px; display: grid; gap: 4px; }

/* ---- product comparison ------------------------------------------ */
.comparison .tick {
    color: var(--phosphor); font-family: var(--mono);
    font-size: 16px; font-weight: 700;
}
.comparison td { vertical-align: middle; }

/* ---- help section ------------------------------------------------ */
.side-label {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--slate-2); margin: 4px 0 10px;
}
.side-label::before { content: "— "; color: var(--phosphor); }

.toc-panel {
    background: var(--fog); border: 1px solid var(--hairline);
    border-radius: var(--radius); padding: 18px 22px; margin-bottom: 32px;
}
.toc-panel ul { margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 36px; }
@media (max-width: 760px) { .toc-panel ul { columns: 1; } }
.toc-panel li { margin: 0 0 7px; break-inside: avoid; }
.toc-panel a { font-size: 14.5px; text-decoration: none; }
.toc-panel a:hover { text-decoration: underline; }

.qa-list > div { border-top: 1px solid var(--hairline); padding: 22px 0; scroll-margin-top: 24px; }
.qa-list > div:first-child { border-top: 0; padding-top: 0; }
.qa-list h3 { font-family: var(--serif); font-size: 20px; font-weight: 600; margin: 0 0 10px; }
.qa-list p, .qa-list li { color: var(--slate); font-size: 15px; }
.qa-list code {
    font-family: var(--mono); font-size: 13.5px;
    background: var(--fog); border: 1px solid var(--hairline);
    border-radius: var(--radius); padding: 1px 6px;
}

.contact-grid {
    display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 40px; align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---- product pages ---------------------------------------------- */
.panel-cat .list-group-item {
    font-family: var(--sans); font-size: 14px; font-weight: 600;
    letter-spacing: 0.03em; color: var(--slate);
    border: 1px solid var(--hairline); border-bottom: 0;
    background: var(--paper); border-radius: 0;
}
.panel-cat .list-group-item:last-child { border-bottom: 1px solid var(--hairline); }
.panel-cat .list-group-item:hover { color: var(--beam-deep); background: var(--beam-tint); }
.panel-cat .list-group-item.active {
    color: var(--beam-deep); background: var(--paper);
    box-shadow: inset 3px 0 0 var(--beam);
}

.pull-quote {
    font-family: var(--serif); font-size: 19px; line-height: 1.5;
    border-left: 3px solid var(--beam); padding-left: 18px;
    margin: 0 0 18px; color: var(--ink);
}
.product-includes { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }

.buy-card {
    border: 1px solid var(--hairline); border-top: 3px solid var(--beam);
    border-radius: var(--radius); background: var(--paper);
    padding: 18px 20px;
}
.buy-head h2 {
    font-family: var(--mono); font-size: 12px; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase; margin: 0 0 14px;
    color: var(--ink);
}
.buy-row {
    display: flex; align-items: center; gap: 14px;
    padding: 9px 0; border-bottom: 1px solid var(--hairline);
}
.buy-label {
    flex: 0 0 90px;
    font-family: var(--mono); font-size: 10.5px; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate-2);
}
.buy-price { font-family: var(--mono); font-size: 17px; color: var(--ink); }
.buy-subtotal { align-items: flex-start; }
.buy-subtotal .sub-total { font-family: var(--mono); font-size: 14px; line-height: 1.7; }
.buy-subtotal .sub-total strong { font-size: 18px; }
.buy-subtotal .sub-total .text-green { color: var(--phosphor); font-size: 12.5px; }
.buy-card .input-group-qty { width: 132px; flex-wrap: nowrap; }
.buy-card .input-group-qty .btn-light {
    background: var(--fog); border: 1px solid var(--hairline); border-radius: var(--radius);
    color: var(--slate); padding: 2px 8px;
}
.buy-card .input-group-qty .btn-light:hover { background: var(--beam-tint); color: var(--beam-deep); }
.buy-card .input-group-qty .input-qty {
    font-family: var(--mono); font-size: 15px;
    border: 1px solid var(--hairline); border-radius: var(--radius);
}
.buy-discount-note { font-size: 12.5px; color: var(--slate-2); margin: 12px 0 0; }
.buy-actions { display: grid; gap: 10px; margin-top: 14px; }
.buy-actions .btn-bl { text-align: center; }
.buy-pay {
    font-family: var(--mono); font-size: 10.5px; color: var(--slate-2);
    text-align: center; letter-spacing: 0.03em; margin: 0;
}

.product-features { margin-top: 40px; }
.feature-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px; margin-top: 18px;
}
.feature {
    display: block; padding: 16px 18px;
    border: 1px solid var(--hairline); border-radius: var(--radius);
    background: var(--paper); text-decoration: none; color: var(--ink);
}
.feature:hover { border-color: var(--beam); color: var(--ink); }
.feature b {
    display: block; font-family: var(--serif); font-size: 16px; font-weight: 600;
    margin-bottom: 4px;
}
.feature b::before { content: "— "; color: var(--phosphor); }
.feature span { font-size: 13.5px; color: var(--slate-2); }
.feature:hover b { color: var(--beam-deep); }

.example-row {
    display: grid; grid-template-columns: 300px 1fr; gap: 28px;
    align-items: start; padding: 30px 0;
    border-top: 1px solid var(--hairline);
}
.example-row:first-of-type { border-top: 0; padding-top: 16px; }
.example-row:nth-of-type(even) { grid-template-columns: 1fr 300px; }
.example-row:nth-of-type(even) figure { order: 2; }
.example-row figure { margin: 0; }
.example-row figure img {
    width: 100%; height: auto;
    border: 1px solid var(--hairline); border-radius: var(--radius);
    background: #fff; padding: 6px;
}
.example-row figcaption {
    font-family: var(--mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--slate-2); margin-top: 8px;
}
.example-row h2 {
    font-family: var(--serif); font-size: 21px; font-weight: 600;
    margin: 0 0 10px; color: var(--ink);
}
.example-row h2::before { content: "— "; color: var(--phosphor); }
.example-row p { color: var(--slate); margin-bottom: 10px; }
.example-row p:last-child { margin-bottom: 0; }
@media (max-width: 991px) {
    .example-row, .example-row:nth-of-type(even) { grid-template-columns: 1fr; }
    .example-row:nth-of-type(even) figure { order: -1; }
    .example-row figure { max-width: 320px; }
}