/* ==========================================================================
   360Bounce — solutions catalog: shared solution pages, directories,
   nested mega menu, company drop-down, mobile tree and footer navigation.
   Uses the tokens in style.css only.
   ========================================================================== */

/* ---------------------------------------------------------- solution hero -- */
.page-title--sol { font-size: var(--fs-xxl); max-width: 13ch; }
.sol-hero { min-height: min(70vh, 680px); }
.sol-hero .breadcrumbs ol { flex-wrap: wrap; }

/* industry composition (no WebGL needed) */
.ind-visual { position: relative; display: grid; place-items: center; gap: 28px; min-height: 56vh; padding: 24px; }
.ind-orbit { position: relative; width: min(34vw, 380px); aspect-ratio: 1; display: grid; place-items: center; }
.ind-core {
  position: relative; z-index: 1; display: grid; place-items: center; width: 46%; aspect-ratio: 1; border-radius: 50%; padding: 10px; text-align: center;
  background: radial-gradient(circle at 35% 30%, #FFFFFF, #F5F5F5 70%); border: 1px solid var(--color-border-strong, var(--color-border));
  box-shadow: 0 24px 50px -30px rgba(23, 23, 23, 0.35); font-weight: 700; font-size: clamp(0.95rem, 1.4vw, 1.25rem); line-height: 1.1;
}
.ind-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--color-silver); }
.ind-ring--b { inset: 16%; border-style: dashed; animation: spin 60s linear infinite; }
.ind-ring--a::after { content: ""; position: absolute; top: 50%; right: -7px; width: 14px; height: 14px; border-radius: 50%; background: var(--color-accent); border: 1px solid var(--color-black); }
.ind-ways { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; width: min(100%, 440px); }
.ind-ways li { display: flex; gap: 10px; align-items: baseline; padding: 12px 14px; background: var(--color-white); border: 1px solid var(--color-border); font-weight: 600; font-size: 0.95rem; }
.ind-ways .meta { color: var(--color-text-secondary); }
@media (prefers-reduced-motion: reduce) { .ind-ring--b { animation: none; } }

/* ------------------------------------------------------------ cards / grid -- */
.sol-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 12px; }
.sol-card { display: flex; }
.sol-card-link {
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; width: 100%; padding: 22px 22px 18px;
  background: var(--color-white); border: 1px solid var(--color-border); text-decoration: none; color: inherit;
  transition: border-color 0.3s, transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
}
.sol-card-link:hover, .sol-card-link:focus-visible { border-color: var(--color-black); transform: translateY(-2px); box-shadow: 0 18px 40px -30px rgba(23, 23, 23, 0.4); }
.sol-card-group { color: var(--color-text-secondary); }
.sol-card-title { font-size: 1.16rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.15; color: var(--color-black); }
.sol-card-sum { color: var(--color-text-secondary); font-size: 0.95rem; line-height: 1.45; }
.sol-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 6px; }
.sol-card-count { color: var(--color-text-secondary); }
.sol-card-arrow {
  margin-left: auto; display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--color-silver); transition: background-color 0.3s, border-color 0.3s, transform 0.45s var(--ease-out);
}
.sol-card-link:hover .sol-card-arrow { background: var(--color-accent); border-color: var(--color-black); transform: translateX(3px); }
.sol-card--lime .sol-card-link { box-shadow: inset 0 3px 0 var(--color-accent), var(--shadow-card); }

.sol-directory .dir-group { display: grid; gap: 16px; padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--color-border); }
.sol-directory .dir-group:first-of-type { margin-top: 0; }
.dir-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.dir-title { font-size: clamp(1.3rem, 2vw, 1.7rem); font-weight: 700; letter-spacing: -0.02em; }
.dir-title a { text-decoration: none; background: linear-gradient(var(--color-accent), var(--color-accent)) 0 100% / 0 6px no-repeat; transition: background-size 0.45s var(--ease-out); }
.dir-title a:hover { background-size: 100% 6px; }
.dir-head .meta { color: var(--color-text-secondary); }

/* --------------------------------------------------------------- sections -- */
.sol-problem-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 12px; counter-reset: p; }
.sol-problem-list li { display: grid; gap: 14px; align-content: start; padding: 24px; border: 1px solid var(--color-border); background: var(--color-white); }
.sol-problem-list .meta { color: var(--color-text-secondary); }
.sol-problem-list p { font-size: 1.02rem; line-height: 1.5; color: var(--color-text); }
.sol-caps .cap h3 { font-size: 1.15rem; }

.sol-benefits { display: grid; gap: 18px; }
.sol-benefits li { display: grid; gap: 4px; padding-left: 18px; border-left: 2px solid var(--color-accent); }
.sol-benefits h3 { font-size: 1.08rem; font-weight: 660; }
.sol-benefits p { color: var(--color-text-secondary); }

.sol-fit-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 80px); align-items: start; }
.sol-fit-body { display: grid; gap: 32px; }
.sol-uses { display: grid; gap: 0; border-top: 1px solid var(--color-border); }
.sol-uses li { display: grid; grid-template-columns: 3em 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--color-border); font-size: 1.05rem; line-height: 1.45; }
.sol-uses .meta { color: var(--color-text-secondary); padding-top: 3px; }
.sol-tech { display: grid; gap: 12px; }
.sol-tech h3 { color: var(--color-text-secondary); }
.chips--tech .chip::before { display: none; }

.timeline--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.timeline--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sol-side-links { display: grid; gap: 10px; }
.sol-side-links .meta { color: var(--color-text-secondary); }

/* --------------------------------------------------------- mega (catalog) -- */
.mega-inner--catalog { grid-template-columns: minmax(230px, 0.9fr) minmax(0, 3.4fr); padding: 20px; gap: 24px; max-height: calc(100vh - var(--header-h) - 28px); }
.mega-tabs { display: grid; gap: 4px; align-content: start; border-right: 1px solid var(--color-border); padding-right: 20px; }
.mega-tab { display: grid; gap: 2px; padding: 12px 14px; text-decoration: none; border: 1px solid transparent; transition: background-color 0.25s, border-color 0.25s; }
.mega-tab .mega-title { font-size: 1.05rem; }
.mega-tab .mega-desc { font-size: 0.82rem; line-height: 1.35; }
.mega-tab:hover, .mega-tab:focus-visible, .mega-tab.is-active { background: var(--color-surface); border-color: var(--color-border); }
.mega-tab.is-active .mega-num { color: var(--color-black); }
.mega-tab.is-active .mega-title::after { content: ""; display: inline-block; width: 7px; height: 7px; margin-left: 8px; border-radius: 50%; background: var(--color-accent); border: 1px solid var(--color-black); vertical-align: middle; }
.mega-panels { min-width: 0; overflow-y: auto; overscroll-behavior: contain; }
.mega-panel { display: none; gap: 14px; }
.mega-panel.is-active { display: grid; }
html:not(.js) .mega-panel { display: grid; }
html:not(.js) .mega-panel + .mega-panel { display: none; }
.mega-panel-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--color-border); }
.mega-hub { font-weight: 650; text-decoration: none; }
.mega-hub:hover { text-decoration: underline; text-underline-offset: 4px; }
.mega-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 18px 24px; align-items: start; }
.mega-group { display: grid; gap: 6px; align-content: start; }
.mega-group-title { font-family: var(--f-mono); font-weight: var(--fw-label); font-size: 0.72rem; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-secondary); text-decoration: none; padding-bottom: 4px; }
a.mega-group-title:hover { color: var(--color-black); }
.mega-group ul { display: grid; gap: 1px; }
.mega-link { display: block; padding: 4px 0; font-size: 0.93rem; color: var(--color-text); text-decoration: none; }
.mega-link:hover, .mega-link:focus-visible, .mega-link[aria-current="page"] { color: var(--color-black); text-decoration: underline; text-decoration-color: var(--color-accent); text-decoration-thickness: 3px; text-underline-offset: 4px; }

/* ----------------------------------------------------- company drop-down -- */
.has-drop { position: relative; }
.drop {
  position: absolute; top: calc(100% + 14px); right: 0; z-index: 80; min-width: 240px; display: grid; gap: 1px; padding: 10px;
  background: var(--color-white); border: 1px solid var(--color-border); box-shadow: 0 24px 50px -30px rgba(23, 23, 23, 0.3);
  visibility: hidden; opacity: 0; transform: translateY(-6px); transition: opacity 0.25s var(--ease-out), transform 0.3s var(--ease-out), visibility 0s linear 0.3s;
}
.drop::before { content: ""; position: absolute; left: 0; right: 0; top: -16px; height: 16px; }
.has-drop:hover .drop, .has-drop:focus-within .drop { visibility: visible; opacity: 1; transform: none; transition: opacity 0.25s var(--ease-out), transform 0.3s var(--ease-out), visibility 0s; }
.drop a { display: block; padding: 8px 12px; text-decoration: none; font-size: 0.95rem; }
.drop a:hover, .drop a:focus-visible, .drop a[aria-current="page"] { background: var(--color-surface); }

/* ------------------------------------------------------------ mobile tree -- */
.m-tree { gap: 0; padding-bottom: 8px; }
.m-div > details > summary, .m-group > summary {
  display: flex; align-items: center; gap: 10px; padding: 12px 6px; cursor: pointer; list-style: none; font-weight: 650;
}
.m-div > details > summary::-webkit-details-marker, .m-group > summary::-webkit-details-marker { display: none; }
.m-div > details > summary::after, .m-group > summary::after { content: "+"; margin-left: auto; font-family: var(--f-mono); color: var(--color-text-secondary); }
.m-div > details[open] > summary::after, .m-group[open] > summary::after { content: "−"; }
.m-div { border-top: 1px solid var(--color-border); }
.m-div .meta { color: var(--color-text-secondary); min-width: 2em; }
.m-hub { display: block; padding: 6px 6px 10px; font-weight: 600; }
.m-group { padding-left: 10px; }
.m-group > summary { font-weight: 560; font-size: 0.95rem; padding: 9px 6px; }
.m-group ul { display: grid; gap: 0; padding: 0 0 10px 12px; }
.m-group a { display: block; padding: 7px 6px; font-size: 0.95rem; color: var(--color-text-secondary); }
.m-group a:hover, .m-group a[aria-current="page"] { color: var(--color-black); }
.m-company ul { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 12px 0 4px; }
.m-company a { font-size: 0.95rem; color: var(--color-text-secondary); }

/* ------------------------------------------------------------- responsive -- */
@media (max-width: 1320px) {
  .mega-inner--catalog { grid-template-columns: minmax(200px, 0.8fr) minmax(0, 3fr); }
}
@media (max-width: 1024px) {
  .sol-fit-grid { grid-template-columns: minmax(0, 1fr); }
  .timeline--4, .timeline--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ind-visual { min-height: auto; }
  .ind-orbit { width: min(60vw, 320px); }
}
@media (max-width: 760px) {
  .timeline--4, .timeline--3 { grid-template-columns: minmax(0, 1fr); }
  .ind-ways { grid-template-columns: minmax(0, 1fr); }
}

/* section titles on solution pages carry longer phrases than the homepage */
.is-solution .section-title { font-size: var(--fs-xl); max-width: 17ch; }

/* --------------------------------------------------------- company pages -- */
.case-list { display: grid; gap: 0; border-top: 1px solid var(--color-border); }
.case-row {
  display: grid; grid-template-columns: 3.5em minmax(0, 5fr) minmax(0, 6fr); gap: 16px 32px; padding: 36px 0;
  border-bottom: 1px solid var(--color-border); align-items: start;
}
.case-num { color: var(--color-text-secondary); padding-top: 6px; }
.case-main { display: grid; gap: 12px; align-content: start; }
.case-main .meta { color: var(--color-text-secondary); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.case-title { font-size: clamp(1.5rem, 2.6vw, 2.2rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; }
.case-title a { text-decoration: none; }
.case-title a:hover { text-decoration: underline; text-decoration-color: var(--color-accent); text-decoration-thickness: 4px; text-underline-offset: 6px; }
.case-sum { color: var(--color-text-secondary); }
.case-facts { display: grid; gap: 16px; }
.case-facts dt { color: var(--color-text-secondary); margin-bottom: 4px; }
.case-link { grid-column: 2 / -1; justify-self: start; }

.res-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 12px; }
.res-grid .panel h3 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.015em; }
.res-grid .panel { scroll-margin-top: calc(var(--header-h) + 20px); }
.glossary { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 0 32px; }
.gloss-item { display: grid; gap: 6px; padding: 18px 0; border-top: 1px solid var(--color-border); }
.gloss-item dt { font-weight: 680; }
.gloss-item dd { color: var(--color-text-secondary); }
.gloss-item dd a { color: var(--color-black); white-space: nowrap; }

.faq-index { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 28px; }
.faq-index-col { display: grid; gap: 12px; align-content: start; }
.faq-index a { color: var(--color-text); }

.blog-month { display: grid; gap: 18px; padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--color-border); }
.blog-month:first-of-type { margin-top: 0; }
.blog-month-title { color: var(--color-text-secondary); }

@media (max-width: 900px) {
  .case-row { grid-template-columns: minmax(0, 1fr); }
  .case-link { grid-column: auto; }
}

/* ------------------------------------------------ subject depth section --
   One section per catalog page that explains how the work actually works. Four layouts, chosen
   by the subject: a technical flow, a glossary of concepts, an audit checklist, a comparison. */
.sol-depth { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); gap: clamp(32px, 5vw, 96px); align-items: start; }
.sol-depth-head { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 16px; }
.sol-depth-intro { display: grid; gap: 14px; color: var(--color-text-secondary); max-width: 48ch; }
.sol-depth-intro p:first-child { color: var(--color-text); font-size: var(--fs-m); line-height: 1.5; }
/* flow: numbered steps joined by a rail */
.depth-flow { display: grid; position: relative; }
.depth-flow::before { content: ""; position: absolute; left: 21px; top: 22px; bottom: 22px; width: 1px; background: var(--border-strong); }
.depth-step { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 20px; padding: 18px 0; position: relative; }
.depth-num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--brand-white); border: 1px solid var(--border-strong); font-weight: 800; font-size: 0.85rem; position: relative; z-index: 1; }
.depth-step:first-child .depth-num { background: var(--brand-lime); border-color: var(--brand-lime); }
.depth-step h3 { font-size: var(--fs-small-h); margin-bottom: 6px; }
.depth-step p { color: var(--color-text-secondary); max-width: 60ch; }
/* terms: an editorial glossary in two columns */
.depth-terms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 3vw, 48px); margin: 0; }
.depth-term { padding: 22px 0; border-top: 1px solid var(--border); }
.depth-term dt { font-weight: 800; font-size: var(--fs-small-h); letter-spacing: -0.015em; margin-bottom: 8px; }
.depth-term dd { margin: 0; color: var(--color-text-secondary); }
/* checks and compare: tables */
.depth-checks, .depth-compare { width: 100%; border-collapse: collapse; font-size: 0.98rem; }
.depth-checks th, .depth-checks td, .depth-compare th, .depth-compare td { text-align: left; vertical-align: top; padding: 16px 18px 16px 0; border-top: 1px solid var(--border); }
.depth-checks thead th, .depth-compare thead th { font-size: 0.72rem; font-weight: 700; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-secondary); border-top: 0; padding-top: 0; }
.depth-checks tbody th, .depth-compare tbody th { font-weight: 800; width: 34%; }
.depth-checks td, .depth-compare td { color: var(--color-text-secondary); }
.depth-checks tbody tr:first-child th { box-shadow: inset 3px 0 0 var(--brand-lime); padding-left: 14px; }
.depth-table-wrap { overflow-x: auto; }
.depth-compare tbody th { width: 22%; }
@media (max-width: 1000px) {
  .sol-depth { grid-template-columns: minmax(0, 1fr); }
  .sol-depth-head { position: static; }
}
@media (max-width: 640px) {
  .depth-terms { grid-template-columns: minmax(0, 1fr); }
  .depth-checks, .depth-checks tbody, .depth-checks tr, .depth-checks th, .depth-checks td { display: block; width: auto; }
  .depth-checks thead { display: none; }
  .depth-checks td { border-top: 0; padding-top: 0; }
  .depth-compare { min-width: 560px; }
}