/* ===================================================================
   platform.css — AiESL "platform site" additions (Vusion-style narrative
   + Pricer-style trust). Loaded AFTER styles.css; reuses its tokens.
   =================================================================== */

/* ---- wider canvas + bigger hero for platform feel ---- */
.wrap.wide { max-width: 1280px; }
h1.hero-title.platform { font-size: 62px; letter-spacing: -0.025em; max-width: 720px; }
.hero-sub.platform { max-width: 560px; font-size: 18.5px; }

/* gradient word for platform H1 */
.grad {
  background: linear-gradient(95deg, var(--blue-hi), #9db8ff 55%, var(--amber));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---- Pricer-style metric strip ---- */
.metric-strip {
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  background: var(--bg-soft);
}
.metric-strip .wrap {
  display: grid; grid-template-columns: repeat(5, 1fr);
  padding-top: 38px; padding-bottom: 38px; gap: 12px;
}
.metric { text-align: center; padding: 4px 8px; position: relative; }
.metric:not(:last-child)::after {
  content: ''; position: absolute; right: 0; top: 14%; height: 72%; width: 1px; background: var(--line);
}
.metric .mnum {
  font-family: 'Instrument Sans', sans-serif; font-weight: 700;
  font-size: 38px; letter-spacing: -0.03em; line-height: 1; color: var(--ink);
}
.metric .mnum em { color: var(--blue-hi); font-style: normal; }
.metric .mlbl { font-size: 12.5px; color: var(--ink-dim); margin-top: 9px; letter-spacing: 0.01em; }
@media (max-width: 860px) {
  .metric-strip .wrap { grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
  .metric:nth-child(2)::after { display: none; }
  .metric .mnum { font-size: 30px; }
}

/* ---- "One platform" pillar grid (Vusion framing) ---- */
.platform-band { background: var(--bg); }
.pillar-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.pillar {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color 0.25s, transform 0.25s, background 0.25s;
  position: relative; overflow: hidden;
}
.pillar:hover { border-color: rgba(77,124,255,0.45); transform: translateY(-4px); }
.pillar.lg { grid-column: span 6; min-height: 230px; display: flex; flex-direction: column; }
.pillar.sm { grid-column: span 3; }
.pillar .pk {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.06em;
  color: var(--blue-hi); text-transform: uppercase; margin-bottom: 14px;
}
.pillar h3 { font-size: 20px; margin-bottom: 8px; }
.pillar.lg h3 { font-size: 24px; }
.pillar p { font-size: 14px; color: var(--ink-mid); }
.pillar .pglow {
  position: absolute; width: 220px; height: 220px; right: -60px; top: -80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(77,124,255,0.16), transparent 70%); pointer-events: none;
}
.pillar.lg .spacer { flex: 1; }
.pillar .ptags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.pillar .ptag {
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--ink-mid);
  border: 1px solid var(--line); border-radius: 6px; padding: 4px 9px;
}
@media (max-width: 920px) {
  .pillar.lg, .pillar.sm { grid-column: span 6; }
}
@media (max-width: 560px) {
  .pillar.lg, .pillar.sm { grid-column: span 12; }
}

/* ---- Open middleware differentiator (split) ---- */
.diff { background: var(--bg-soft); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.diff-in { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.diff-copy h2 { font-size: 38px; margin-bottom: 18px; }
.diff-copy p { font-size: 16.5px; color: var(--ink-mid); margin-bottom: 18px; }
.diff-list { list-style: none; margin-top: 22px; display: grid; gap: 14px; }
.diff-list li { display: flex; gap: 12px; font-size: 15px; color: var(--ink); }
.diff-list li::before {
  content: '\2713'; color: var(--blue-hi); font-weight: 700; flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 6px; background: rgba(77,124,255,0.12);
  border: 1px solid rgba(77,124,255,0.3); display: flex; align-items: center; justify-content: center; font-size: 12px;
}
/* hub-and-spoke diagram */
.hub {
  position: relative; background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 20px; padding: 34px; min-height: 360px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.45);
}
.hub-core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 132px; height: 132px; border-radius: 18px; z-index: 3;
  background: linear-gradient(150deg, var(--blue), #2a52cc);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 0 0 8px rgba(77,124,255,0.1), 0 18px 44px rgba(77,124,255,0.4);
}
.hub-core b { font-family: 'Instrument Sans', sans-serif; font-size: 22px; color: #fff; letter-spacing: -0.02em; }
.hub-core span { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; color: rgba(255,255,255,0.8); letter-spacing: 0.08em; margin-top: 2px; }
.hub-node {
  position: absolute; background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 9px; padding: 8px 13px; font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-mid); z-index: 2; white-space: nowrap;
}
.hub-node b { color: var(--blue-hi); }
.hub-svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
.hub-svg line { stroke: var(--line); stroke-width: 1.5; stroke-dasharray: 4 4; animation: dash 1.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -16; } }
@media (max-width: 860px) { .diff-in { grid-template-columns: 1fr; gap: 36px; } }

/* ---- Industries grid ---- */
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ind-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 200px;
  border: 1px solid var(--line); display: flex; align-items: flex-end;
  background: var(--bg-card); transition: transform 0.25s, border-color 0.25s;
}
.ind-card:hover { transform: translateY(-4px); border-color: rgba(77,124,255,0.45); }
.ind-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.ind-card .ind-ov { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,10,16,0.1), rgba(7,10,16,0.92)); }
.ind-card .ind-txt { position: relative; padding: 22px; z-index: 2; }
.ind-card h3 { font-size: 19px; margin-bottom: 4px; }
.ind-card p { font-size: 13px; color: var(--ink-mid); }
.ind-card .ind-arrow { position: absolute; top: 18px; right: 20px; z-index: 2; color: var(--blue-hi); font-size: 18px; opacity: 0; transform: translateX(-6px); transition: 0.25s; }
.ind-card:hover .ind-arrow { opacity: 1; transform: translateX(0); }
@media (max-width: 820px) { .ind-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .ind-grid { grid-template-columns: 1fr; } }

/* ---- Results proof band (Displaydata) ---- */
.proof { background: var(--bg); }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.proof-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-soft));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
}
.proof-card .pnum { font-family: 'Instrument Sans', sans-serif; font-size: 46px; font-weight: 700; color: var(--blue-hi); letter-spacing: -0.03em; line-height: 1; }
.proof-card .pdesc { font-size: 15px; color: var(--ink); margin-top: 12px; font-weight: 500; }
.proof-card .psrc { font-size: 12.5px; color: var(--ink-dim); margin-top: 8px; }
@media (max-width: 820px) { .proof-grid { grid-template-columns: 1fr; } }

/* ---- Resources teaser ---- */
.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.res-card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: border-color 0.25s, transform 0.25s; cursor: pointer;
}
.res-card:hover { border-color: rgba(77,124,255,0.45); transform: translateY(-4px); }
.res-kind { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.05em; color: var(--blue-hi); text-transform: uppercase; }
.res-card h3 { font-size: 18px; margin: 12px 0 8px; }
.res-card p { font-size: 14px; color: var(--ink-mid); }
.res-card .res-link { font-size: 13.5px; color: var(--blue-hi); margin-top: 16px; display: inline-block; }
@media (max-width: 820px) { .res-grid { grid-template-columns: 1fr; } }

/* ---- mega-ish nav dropdown (simple) ---- */
.nav-links .has-menu { position: relative; }
.nav-menu {
  position: absolute; top: 130%; left: 50%; transform: translateX(-50%) translateY(6px);
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px; width: 250px; opacity: 0; visibility: hidden; transition: 0.2s;
  box-shadow: 0 24px 50px rgba(0,0,0,0.5); display: grid; gap: 2px;
}
.nav-links .has-menu:hover .nav-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-menu a { padding: 10px 12px; border-radius: 8px; font-size: 13.5px; color: var(--ink-mid); }
.nav-menu a:hover { background: var(--bg-card); color: var(--ink); }
.nav-menu a b { display: block; color: var(--ink); font-size: 13.5px; font-weight: 600; }
.nav-menu a small { font-size: 11.5px; color: var(--ink-dim); }

/* ===================================================================
   PRODUCT CATALOG (products.html) — series tabs, spec table, modal
   =================================================================== */
/* series filter tabs */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.cat-tab {
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px; letter-spacing: 0.02em;
  color: var(--ink-mid); background: var(--bg-card); border: 1px solid var(--line);
  padding: 9px 15px; border-radius: 8px; cursor: pointer; transition: 0.18s; white-space: nowrap;
}
.cat-tab:hover { border-color: rgba(77,124,255,0.45); color: var(--ink); }
.cat-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.cat-tab .ct-n { opacity: 0.6; margin-left: 6px; }

/* series intro line above grid */
.cat-intro { margin-bottom: 22px; color: var(--ink-mid); font-size: 15px; max-width: 760px; }
.cat-intro b { color: var(--ink); }

/* model card (extends prod-card) */
.model-card { cursor: pointer; }
.model-card .mc-top {
  height: 168px; background: #f4f5f7; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; position: relative; padding: 14px;
}
.model-card .mc-top.photo img { width: 100%; height: 100%; object-fit: contain; display: block; }
/* e-paper tag mock that scales with size */
.tag-mock {
  background: #fbfbf7; border-radius: 5px; box-shadow: 0 8px 22px rgba(0,0,0,0.4), inset 0 0 0 1px rgba(0,0,0,0.08);
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  padding: 8px 10px; color: #15171c; overflow: hidden; position: relative;
}
.tag-mock .tm-name { font-size: 7px; color: #555; font-family: 'JetBrains Mono', monospace; line-height: 1.2; }
.tag-mock .tm-price { font-family: 'Instrument Sans', sans-serif; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin-top: 2px; }
.tag-mock .tm-price small { font-size: 0.5em; vertical-align: super; }
.tag-mock .tm-strip { position: absolute; bottom: 0; left: 0; right: 0; height: 6px; }
.tag-mock.c-bwr .tm-strip { background: #d23b32; }
.tag-mock.c-bwry .tm-strip { background: linear-gradient(90deg,#d23b32 50%,#e8b21e 50%); }
.tag-mock.c-bw .tm-strip { background: #15171c; }
.tag-mock.c-7c .tm-strip { background: linear-gradient(90deg,#d23b32,#e8b21e,#2a7d4f,#2a6fdb,#e07b27); }
.mc-badge {
  position: absolute; top: 12px; left: 12px; font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.04em; color: var(--ink-mid);
  background: rgba(7,10,16,0.66); padding: 3px 8px; border-radius: 5px; backdrop-filter: blur(4px);
}
.mc-size {
  position: absolute; bottom: 12px; right: 12px; font-family: 'Instrument Sans', sans-serif;
  font-weight: 700; font-size: 15px; color: var(--ink); background: rgba(7,10,16,0.66);
  padding: 3px 9px; border-radius: 5px;
}
.model-card .prod-body .pmodel { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--blue-hi); }
.model-card .prod-body h3 { font-size: 18px; margin: 5px 0 7px; }
.chips-color { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 4px; }
.cchip { font-size: 10px; font-family: 'JetBrains Mono', monospace; padding: 2px 7px; border-radius: 20px; border: 1px solid var(--line); color: var(--ink-mid); }

/* full spec comparison table */
.spec-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 880px; background: var(--bg-card); }
.spec-table th, .spec-table td { padding: 13px 16px; text-align: left; font-size: 13px; border-top: 1px solid var(--line-soft); white-space: nowrap; }
.spec-table thead th {
  background: var(--bg-soft); position: sticky; top: 0; z-index: 2;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase;
  color: var(--ink-dim); border-top: none; letter-spacing: 0.03em;
}
.spec-table tbody tr { transition: background 0.15s; }
.spec-table tbody tr:hover { background: var(--bg-soft); }
.spec-table td:first-child { font-family: 'JetBrains Mono', monospace; color: var(--blue-hi); font-size: 12.5px; }
.spec-table td.num { font-family: 'JetBrains Mono', monospace; color: var(--ink-mid); }
.spec-series-row td {
  background: var(--bg-elev); font-family: 'Instrument Sans', sans-serif; font-weight: 700;
  color: var(--ink); font-size: 13px; letter-spacing: 0.01em; border-top: 1px solid var(--line);
}

/* common-spec band */
.common-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.common-cell { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.common-cell .ck { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-dim); }
.common-cell .cv { font-size: 15px; color: var(--ink); margin-top: 8px; font-weight: 500; }
@media (max-width: 820px) { .common-grid { grid-template-columns: 1fr 1fr; } }

/* model detail modal */
.mm-overlay {
  position: fixed; inset: 0; background: rgba(4,7,12,0.78); backdrop-filter: blur(6px);
  z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px;
}
.mm-overlay.open { display: flex; }
.mm {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 16px;
  width: 100%; max-width: 720px; max-height: 88vh; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 40px 90px rgba(0,0,0,0.6);
}
.mm-head { padding: 26px 30px; border-bottom: 1px solid var(--line); display: flex; gap: 22px; align-items: center; position: relative; }
.mm-head .mm-tag {
  width: 92px; height: 64px; flex-shrink: 0; border-radius: 6px;
  display: flex; align-items: center; justify-content: center; background: var(--bg-soft); border: 1px solid var(--line);
}
.mm-head .pmodel { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--blue-hi); }
.mm-photo { background: #f4f5f7; border-bottom: 1px solid var(--line); padding: 14px; }
.mm-photo img { width: 100%; height: 230px; object-fit: contain; display: block; }
.mm-head h3 { font-size: 23px; margin: 4px 0 4px; }
.mm-head p { font-size: 13.5px; color: var(--ink-mid); }
.mm-close { position: absolute; top: 16px; right: 18px; background: none; border: none; color: var(--ink-dim); font-size: 26px; cursor: pointer; line-height: 1; }
.mm-close:hover { color: var(--ink); }
.mm-body { padding: 8px 30px 26px; overflow-y: auto; }
.mm-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; }
.mm-specs .mm-row { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line-soft); font-size: 13.5px; }
.mm-row .k { color: var(--ink-dim); }
.mm-row .v { font-family: 'JetBrains Mono', monospace; color: var(--ink); text-align: right; }
.mm-foot { padding: 20px 30px; border-top: 1px solid var(--line); display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 600px) { .mm-specs { grid-template-columns: 1fr; } .mm-head { flex-direction: column; align-items: flex-start; } }

/* ===================================================================
   CUSTOMER CASES (Cases.html)
   =================================================================== */
/* stat band reuse .metric-strip; add customer logo wall */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.logo-wall .lw { background: var(--bg-card); display: flex; align-items: center; justify-content: center; padding: 26px 14px; font-family: 'Instrument Sans', sans-serif; font-weight: 700; font-size: 17px; color: var(--ink-mid); letter-spacing: -0.01em; transition: color 0.2s, background 0.2s; }
.logo-wall .lw:hover { color: var(--ink); background: var(--bg-elev); }
@media (max-width: 760px) { .logo-wall { grid-template-columns: repeat(3, 1fr); } }

/* featured cases */
.case-feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 320px;
  border: 1px solid var(--line); display: flex; align-items: flex-end; background: var(--bg-card);
  transition: transform 0.25s, border-color 0.25s;
}
.case-card:hover { transform: translateY(-4px); border-color: rgba(77,124,255,0.45); }
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.42; }
.case-card .case-ov { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,10,16,0.15) 0%, rgba(7,10,16,0.55) 45%, rgba(7,10,16,0.95) 100%); }
.case-card .case-tx { position: relative; z-index: 2; padding: 26px; }
.case-card .case-region { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.05em; color: var(--blue-hi); text-transform: uppercase; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.case-card .case-region .flag { font-size: 14px; }
.case-card h3 { font-size: 22px; margin-bottom: 8px; letter-spacing: -0.01em; }
.case-card p { font-size: 14px; color: var(--ink-mid); }
.case-card .case-metric { margin-top: 14px; display: inline-flex; align-items: baseline; gap: 7px; }
.case-card .case-metric b { font-family: 'Instrument Sans', sans-serif; font-size: 26px; color: var(--ink); letter-spacing: -0.02em; }
.case-card .case-metric span { font-size: 12.5px; color: var(--ink-dim); }
@media (max-width: 920px) { .case-feat { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .case-feat { grid-template-columns: 1fr; } }

/* case region filter + grid of smaller cards */
.case-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case-mini {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: border-color 0.25s, transform 0.25s; display: flex; flex-direction: column;
}
.case-mini:hover { border-color: rgba(77,124,255,0.45); transform: translateY(-3px); }
.case-mini .cm-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.case-mini .cm-region { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--ink-dim); text-transform: uppercase; display: flex; align-items: center; gap: 7px; }
.case-mini .cm-ind { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--blue-hi); border: 1px solid rgba(77,124,255,0.3); border-radius: 5px; padding: 3px 8px; }
.case-mini h3 { font-size: 17px; margin-bottom: 8px; }
.case-mini p { font-size: 13.5px; color: var(--ink-mid); flex: 1; }
.case-mini .cm-flag { font-size: 22px; margin-bottom: 12px; }
@media (max-width: 820px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .case-grid { grid-template-columns: 1fr; } }

/* ===================================================================
   BASE-STATION COVERAGE PLANNER (Resources.html)
   =================================================================== */
.calc { display: grid; grid-template-columns: 360px 1fr; gap: 24px; align-items: start; }
.calc-panel { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.calc-panel h3 { font-size: 18px; margin-bottom: 4px; }
.calc-panel .calc-lede { font-size: 13px; color: var(--ink-mid); margin-bottom: 20px; }
.calc-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc-field { display: flex; flex-direction: column; gap: 7px; }
.calc-field.full { grid-column: 1 / -1; }
.calc-field label { font-size: 12px; color: var(--ink-dim); font-family: 'JetBrains Mono', monospace; letter-spacing: 0.02em; }
.calc-field input, .calc-field select {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; font-size: 15px;
  background: var(--bg-soft); color: var(--ink); font-family: 'Instrument Sans', sans-serif; width: 100%;
  transition: border-color 0.15s;
}
.calc-field input:focus, .calc-field select:focus { outline: none; border-color: var(--blue); }
.calc-field select { cursor: pointer; }

.calc-out { display: flex; flex-direction: column; gap: 18px; }
.calc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.calc-cell { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.calc-cell .cl { font-size: 12px; color: var(--ink-dim); font-family: 'JetBrains Mono', monospace; }
.calc-cell .cval { font-family: 'Instrument Sans', sans-serif; font-weight: 700; font-size: 30px; letter-spacing: -0.02em; line-height: 1.1; margin-top: 4px; }
.calc-cell .csub { font-size: 11.5px; color: var(--ink-dim); margin-top: 5px; }
.calc-cell .cval.accent { color: var(--blue-hi); }
.calc-cell .cval.warn { color: var(--amber); }
.calc-viz { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.calc-viz svg { width: 100%; height: auto; display: block; }
.calc-legend { font-size: 11.5px; color: var(--ink-dim); margin-top: 10px; font-family: 'JetBrains Mono', monospace; }
.calc-formula { font-size: 13px; color: var(--ink-mid); margin-top: 16px; line-height: 1.6; font-family: 'JetBrains Mono', monospace; }
.calc-formula .warn { color: var(--amber); font-weight: 600; }
@media (max-width: 920px) { .calc { grid-template-columns: 1fr; } }

/* ===================================================================
   WORLD DEPLOYMENT MAP (Cases.html)
   =================================================================== */
.world-wrap { position: relative; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 14px; overflow: hidden; }
.world-svg { width: 100%; height: auto; display: block; }
.world-svg .wm-land { fill: var(--bg-elev); stroke: var(--line); stroke-width: 0.8; }
.world-svg .wm-grat { stroke: var(--line-soft); stroke-width: 0.5; fill: none; }
.wm-dot { cursor: pointer; }
.wm-dot .wm-core { stroke: rgba(0,0,0,0.35); stroke-width: 0.6; }
.wm-dot .wm-ring { fill: none; opacity: 0.5; }
@media (prefers-reduced-motion: no-preference) {
  .wm-dot .wm-ring { animation: wmpulse 2.6s ease-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes wmpulse { 0% { transform: scale(0.6); opacity: 0.55; } 70% { transform: scale(2.6); opacity: 0; } 100% { opacity: 0; } }
}
.wm-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; fill: var(--ink-mid); pointer-events: none; }
.world-legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; font-size: 12px; color: var(--ink-mid); }
.world-legend span { display: inline-flex; align-items: center; gap: 7px; }
.world-legend i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.wm-tip {
  position: absolute; pointer-events: none; z-index: 5; opacity: 0; transition: opacity 0.12s;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px;
  box-shadow: 0 14px 34px rgba(0,0,0,0.5); transform: translate(-50%, -118%); white-space: nowrap;
}
.wm-tip .tname { font-size: 13px; color: var(--ink); font-weight: 600; }
.wm-tip .tmeta { font-size: 11px; color: var(--ink-dim); font-family: 'JetBrains Mono', monospace; margin-top: 2px; }

/* ===================================================================
   ARTICLE / BLOG POST (detail pages)
   =================================================================== */
.article { max-width: 760px; margin: 0 auto; }
.article-hero { max-width: 820px; margin: 0 auto; }
.article-hero .bcat { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.05em; color: var(--blue-hi); text-transform: uppercase; margin-bottom: 16px; }
.article-hero h1 { font-size: 42px; line-height: 1.12; letter-spacing: -0.025em; margin-bottom: 18px; text-wrap: balance; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13.5px; color: var(--ink-dim); font-family: 'JetBrains Mono', monospace; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-cover { max-width: 980px; margin: 36px auto 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #f4f5f7; }
.article-cover img { width: 100%; height: 380px; object-fit: cover; display: block; }
.article-body { font-size: 17px; line-height: 1.75; color: var(--ink-mid); }
.article-body > p { margin-bottom: 22px; }
.article-body h2 { font-size: 27px; color: var(--ink); letter-spacing: -0.02em; margin: 44px 0 16px; line-height: 1.25; }
.article-body h3 { font-size: 19px; color: var(--ink); margin: 28px 0 10px; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body a { color: var(--blue-hi); }
.article-body ul { margin: 0 0 22px; padding-left: 2px; list-style: none; display: grid; gap: 11px; }
.article-body ul li { display: flex; gap: 12px; }
.article-body ul li::before { content: '\2014'; color: var(--blue-hi); flex-shrink: 0; }
.article-lead { font-size: 20px; line-height: 1.6; color: var(--ink); margin-bottom: 30px; }
.article-callout {
  background: var(--bg-card); border: 1px solid var(--line); border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 22px 26px; margin: 30px 0; font-size: 16px; color: var(--ink);
}
.article-callout .ck { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.05em; color: var(--blue-hi); text-transform: uppercase; margin-bottom: 8px; }
.article-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); margin: 28px 0; }
.article-table { width: 100%; border-collapse: collapse; min-width: 540px; background: var(--bg-card); font-size: 14px; }
.article-table th, .article-table td { padding: 13px 16px; text-align: left; border-top: 1px solid var(--line-soft); }
.article-table thead th { background: var(--bg-soft); border-top: none; font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-dim); }
.article-table td:first-child { color: var(--ink); }
.article-table .num { font-family: 'JetBrains Mono', monospace; color: var(--ink-mid); }
.article-share { border-top: 1px solid var(--line-soft); margin-top: 44px; padding-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 820px) { .article-hero h1 { font-size: 32px; } .article-cover img { height: 240px; } .related-grid { grid-template-columns: 1fr; } }