/*
 * Insight articles: long-form reading layout + illustration kit.
 * Used by /insights-style blog posts (blog-*.html) that load /js/insight-kit.js.
 * Dark to match the site chrome; phone screens stay light so the UI reads.
 */
:root {
  --in-bg: #0a0a0a;
  --in-bg-2: #111214;
  --in-panel: #15171a;
  --in-line: rgba(255, 255, 255, .09);
  --in-line-2: rgba(255, 255, 255, .16);
  --in-ink: #f1f5f9;
  --in-ink-2: #cbd5e1;
  --in-muted: #8b95a5;
  --in-accent: #3b82f6;
  --in-accent-2: #60a5fa;
  --in-accent-soft: rgba(59, 130, 246, .14);
  --in-warm: #f97316;
  --in-ok: #34d399;
  --in-warn: #fbbf24;
  --in-crit: #f87171;
  --in-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --in-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --in-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  /* phone app surface */
  --device: #0c0d0f;
  --app-bg: #f6f7f9;
  --app-card: #ffffff;
  --app-ink: #0f172a;
  --app-ink-2: #334155;
  --app-muted: #64748b;
  --app-line: #e2e8f0;
  --app-accent: #2563eb;
  --app-accent-soft: #dbeafe;
  --app-ok: #059669;
  --app-ok-soft: #d1fae5;
  --app-warn: #b45309;
  --app-warn-soft: #fef3c7;
  --app-crit: #dc2626;
  --app-crit-soft: #fee2e2;
}

.insight { background: var(--in-bg); color: var(--in-ink); font-family: var(--in-sans); }

/* ---------- hero ---------- */
.in-hero { position: relative; padding: 150px 20px 56px; overflow: hidden; }
.in-hero__glow { position: absolute; inset: -20% -10% auto; height: 620px; pointer-events: none;
  background: radial-gradient(60% 50% at 50% 0%, rgba(59, 130, 246, .22), transparent 70%),
              radial-gradient(40% 40% at 85% 20%, rgba(249, 115, 22, .10), transparent 70%); }
.in-hero__in { position: relative; max-width: 660px; margin: 0 auto; }
.in-crumbs { font-family: var(--in-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--in-muted); display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.in-crumbs a { color: var(--in-muted); text-decoration: none; }
.in-crumbs a:hover { color: var(--in-ink); }
.in-crumbs .sep { opacity: .5; }
.in-hero h1 { font-size: clamp(40px, 6.2vw, 68px); line-height: 1.02; letter-spacing: -.035em; font-weight: 700; margin: 0 0 24px; text-wrap: balance; }
.in-hero h1 em { font-family: var(--in-serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; color: var(--in-accent-2); }
.in-dek { font-size: clamp(19px, 2.2vw, 23px); line-height: 1.5; color: var(--in-ink-2); max-width: 62ch; margin: 0 0 30px; }
.in-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; color: var(--in-muted); }
.in-meta .av { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #1d4ed8, #0ea5e9); display: grid; place-items: center; font-weight: 700; color: #fff; font-size: 14px; flex: none; overflow: hidden; }
.in-meta .av img { width: 100%; height: 100%; object-fit: cover; }
.in-meta b { color: var(--in-ink); font-weight: 600; }
.in-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--in-muted); }

/* ---------- body ---------- */
.in-body { max-width: 700px; margin: 0 auto; padding: 8px 20px 40px; font-size: 18.5px; line-height: 1.75; color: var(--in-ink-2); }
.in-body > * + * { margin-top: 1.1em; }
.in-body p { margin: 0; }
.in-body p + p { margin-top: 1.1em; }
.in-body h2 { font-size: clamp(28px, 3.6vw, 38px); line-height: 1.12; letter-spacing: -.025em; color: var(--in-ink); font-weight: 700; margin: 2.3em 0 .55em; text-wrap: balance; scroll-margin-top: 110px; }
.in-body h3 { font-size: 21px; line-height: 1.3; color: var(--in-ink); font-weight: 650; margin: 1.8em 0 .4em; }
.in-body a { color: var(--in-accent-2); text-decoration: underline; text-decoration-color: rgba(96, 165, 250, .35); text-underline-offset: 3px; }
.in-body a:hover { text-decoration-color: var(--in-accent-2); }
.in-body strong { color: var(--in-ink); font-weight: 600; }
.in-body ul, .in-body ol { padding-left: 1.25em; margin: 1em 0; }
.in-body li + li { margin-top: .45em; }
.in-body li::marker { color: var(--in-accent-2); }
.in-body code { font-family: var(--in-mono); font-size: .85em; background: var(--in-bg-2); border: 1px solid var(--in-line); border-radius: 6px; padding: .1em .4em; color: var(--in-ink); }
.in-body hr { border: 0; height: 1px; background: var(--in-line); margin: 3em 0; }

/* the direct answer block at the top (for readers skimming and for AI answers) */
.in-answer { border: 1px solid var(--in-line-2); background: linear-gradient(180deg, rgba(59, 130, 246, .08), rgba(59, 130, 246, .02)); border-radius: 18px; padding: 22px 24px; font-size: 17.5px; line-height: 1.65; color: var(--in-ink); }
.in-answer .lbl { display: block; font-family: var(--in-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--in-accent-2); margin-bottom: 8px; }

.in-pull { font-family: var(--in-serif); font-size: clamp(28px, 3.8vw, 40px); line-height: 1.18; color: var(--in-ink); letter-spacing: -.01em; margin: 1.6em 0 !important; padding-left: 22px; border-left: 3px solid var(--in-accent); text-wrap: balance; }
.in-pull span { color: var(--in-accent-2); }

.in-note { background: var(--in-panel); border: 1px solid var(--in-line); border-radius: 14px; padding: 16px 18px; font-size: 16px; line-height: 1.6; }
.in-note b { color: var(--in-ink); }

.in-toc { background: var(--in-bg-2); border: 1px solid var(--in-line); border-radius: 16px; padding: 18px 22px; font-size: 15.5px; }
.in-toc .lbl { font-family: var(--in-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--in-muted); }
.in-toc ol { margin: 10px 0 0; padding-left: 1.2em; }
.in-toc a { text-decoration: none; color: var(--in-ink-2); }
.in-toc a:hover { color: var(--in-ink); }

.in-table { width: 100%; border-collapse: collapse; font-size: 15.5px; line-height: 1.5; margin: 1.4em 0 !important; }
.in-table th, .in-table td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--in-line); }
.in-table th { font-family: var(--in-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--in-muted); font-weight: 500; }
.in-table td:first-child { color: var(--in-ink); font-weight: 600; }
.in-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- figures (break out of the text column) ---------- */
.in-fig { margin: 2.4em auto !important; width: min(1080px, calc(100vw - 40px)); position: relative; left: 50%; transform: translateX(-50%); }
.in-fig__stage { position: relative; border: 1px solid var(--in-line); border-radius: 26px; background:
    radial-gradient(80% 70% at 50% 0%, rgba(59, 130, 246, .10), transparent 70%), var(--in-bg-2);
  padding: 48px 28px; overflow: hidden; }
.in-fig__stage.grid-bg { background-image:
    radial-gradient(80% 70% at 50% 0%, rgba(59, 130, 246, .10), transparent 70%),
    linear-gradient(var(--in-line) 1px, transparent 1px), linear-gradient(90deg, var(--in-line) 1px, transparent 1px);
  background-size: auto, 32px 32px, 32px 32px; background-color: var(--in-bg-2); }
.in-fig figcaption { max-width: 700px; margin: 14px auto 0; padding: 0 4px; font-size: 14.5px; line-height: 1.55; color: var(--in-muted); }
.in-fig figcaption b { color: var(--in-ink-2); font-weight: 600; }
.in-fig__split { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: center; max-width: 900px; margin: 0 auto; }
.in-fig__split.rev { grid-template-columns: 300px minmax(0, 1fr); }
.in-fig__split.rev > :first-child { order: 0; }
.in-fig__side h3 { font-size: 22px; color: var(--in-ink); margin: 0 0 10px; letter-spacing: -.01em; }
.in-fig__side p { font-size: 16px; color: var(--in-ink-2); line-height: 1.6; margin: 0 0 12px; }
.in-steps { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 10px; counter-reset: s; }
.in-body .in-steps { padding: 0; margin: 14px 0 0; }
.in-body .in-steps li + li { margin-top: 0; }
.in-steps li { position: relative; padding: 10px 12px 10px 44px; border: 1px solid var(--in-line); border-radius: 12px; font-size: 15px; color: var(--in-ink-2); line-height: 1.45; transition: border-color .3s, background .3s, color .3s; }
.in-steps li::before { counter-increment: s; content: counter(s); position: absolute; left: 12px; top: 10px; width: 22px; height: 22px; border-radius: 50%; background: var(--in-bg); border: 1px solid var(--in-line-2); font-family: var(--in-mono); font-size: 11px; display: grid; place-items: center; color: var(--in-muted); }
.in-steps li.on { border-color: rgba(96, 165, 250, .55); background: var(--in-accent-soft); color: var(--in-ink); }
.in-steps li.on::before { background: var(--in-accent); border-color: var(--in-accent); color: #fff; }
@media (max-width: 860px) {
  .in-fig__split, .in-fig__split.rev { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .in-fig__split .phone { margin: 0 auto; order: -1; }
  .in-fig__stage { padding: 56px 16px 34px; border-radius: 20px; }
}

.in-replay { position: absolute; right: 14px; top: 14px; z-index: 5; font-family: var(--in-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--in-muted); background: rgba(0, 0, 0, .35); border: 1px solid var(--in-line); border-radius: 99px; padding: 6px 11px; cursor: pointer; }
.in-replay:hover { color: var(--in-ink); border-color: var(--in-line-2); }

/* ---------- phone (iOS, Liquid Glass) ---------- */
.phone { width: 300px; max-width: 100%; aspect-ratio: 9 / 19.2; background: var(--device); border-radius: 50px; padding: 10px; position: relative;
  box-shadow: 0 50px 80px -40px rgba(0, 0, 0, .9), 0 0 0 1.5px #2a2d33, inset 0 0 0 1.5px #1b1d21, 0 0 60px -10px rgba(59, 130, 246, .25); }
.phone::before { content: ""; position: absolute; top: 18px; left: 50%; width: 86px; height: 25px; margin-left: -43px; border-radius: 99px; background: #000; z-index: 30; }
.phone::after { content: ""; position: absolute; right: -3px; top: 120px; width: 3px; height: 62px; border-radius: 0 3px 3px 0; background: #26292e; }
.phone .btns { position: absolute; left: -3px; top: 96px; width: 3px; height: 30px; border-radius: 3px 0 0 3px; background: #26292e; box-shadow: 0 44px 0 #26292e, 0 88px 0 #26292e; }
.scr { --glass: rgba(255, 255, 255, .56); --glass-hi: rgba(255, 255, 255, .8); --glass-edge: rgba(255, 255, 255, .78);
  height: 100%; border-radius: 41px; overflow: hidden; position: relative; isolation: isolate;
  font-family: -apple-system, "SF Pro Text", "Inter", system-ui, sans-serif; font-size: 12.5px; line-height: 1.4; letter-spacing: -.01em; color: var(--app-ink);
  background:
    radial-gradient(120% 60% at 0% 0%, rgba(165, 180, 252, .55), transparent 60%),
    radial-gradient(90% 55% at 100% 30%, rgba(249, 168, 212, .42), transparent 60%),
    radial-gradient(100% 60% at 20% 100%, rgba(134, 239, 172, .38), transparent 60%),
    radial-gradient(80% 50% at 90% 95%, rgba(125, 211, 252, .45), transparent 60%),
    #eef1f7; }
.sbar { position: absolute; left: 0; right: 0; top: 0; height: 42px; display: flex; justify-content: space-between; align-items: center; padding: 6px 30px 0; font-size: 12.5px; font-weight: 600; color: var(--app-ink); z-index: 15; pointer-events: none; }
.sbar .ic { display: flex; gap: 5px; align-items: center; }
.sbar .ic i { display: block; background: currentColor; border-radius: 2px; }
.sbar .ic .sig { width: 15px; height: 9px; clip-path: polygon(0 100%, 25% 100%, 25% 70%, 50% 70%, 50% 40%, 75% 40%, 75% 0, 100% 0, 100% 100%); border-radius: 1px; }
.sbar .ic .bat { width: 22px; height: 10px; border-radius: 3px; background: none; border: 1.5px solid currentColor; position: relative; }
.sbar .ic .bat::after { content: ""; position: absolute; inset: 1.5px; right: 4px; background: currentColor; border-radius: 1px; }
.view { position: absolute; inset: 0; padding: 50px 13px 20px; display: flex; flex-direction: column; gap: 9px; background: transparent; will-change: transform; }
.view + .view { visibility: hidden; }
.view.dark { background: #0b0f14; color: #e8eef5; }
.home-ind { position: absolute; left: 50%; bottom: 7px; width: 112px; height: 4.5px; margin-left: -56px; border-radius: 9px; background: rgba(15, 23, 42, .55); z-index: 16; }
.touch { position: absolute; left: 0; top: 0; width: 38px; height: 38px; border-radius: 50%; background: rgba(148, 163, 184, .35); border: 2px solid rgba(255, 255, 255, .95); box-shadow: 0 3px 12px rgba(0, 0, 0, .3); z-index: 25; pointer-events: none; opacity: 0; visibility: hidden; }
.touch .rip { position: absolute; inset: -3px; border-radius: 50%; border: 2px solid #0a84ff; opacity: 0; }

/* glass material: frosted, specular top edge, soft drop */
.ac, .tabs, .abtn.ghost, .sheet, .glass {
  background: linear-gradient(180deg, var(--glass-hi), var(--glass));
  -webkit-backdrop-filter: blur(22px) saturate(1.8); backdrop-filter: blur(22px) saturate(1.8);
  border: 1px solid var(--glass-edge);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .95), inset 0 -1px 0 rgba(255, 255, 255, .25), 0 10px 28px -16px rgba(30, 41, 59, .35);
}
.ac { border-radius: 20px; padding: 11px 12px; }
.toast { position: absolute; left: 12px; right: 12px; bottom: 24px; color: #fff; border-radius: 22px; padding: 11px 13px; font-size: 12px; font-weight: 600; display: flex; gap: 8px; align-items: center; z-index: 12; opacity: 0; visibility: hidden;
  background: rgba(28, 28, 30, .74); -webkit-backdrop-filter: blur(24px) saturate(1.6); backdrop-filter: blur(24px) saturate(1.6); border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 16px 34px -14px rgba(0, 0, 0, .55); }
.toast.top { bottom: auto; top: 52px; }
.toast .tk { width: 18px; height: 18px; border-radius: 50%; background: #30d158; display: grid; place-items: center; flex: none; font-size: 11px; }
.sheet { position: absolute; left: 6px; right: 6px; bottom: 6px; border-radius: 34px; padding: 10px 16px 22px; z-index: 11; visibility: hidden; --glass: rgba(255, 255, 255, .74); --glass-hi: rgba(255, 255, 255, .88); }
.sheet::before { content: ""; display: block; width: 36px; height: 5px; border-radius: 9px; background: rgba(60, 60, 67, .3); margin: 0 auto 12px; }
.scrim { position: absolute; inset: 0; background: rgba(15, 23, 42, .22); z-index: 10; opacity: 0; visibility: hidden; }

/* app atoms */
.at { font-weight: 700; font-size: 22px; line-height: 1.12; letter-spacing: -.03em; }
.as { font-size: 11.5px; color: rgba(60, 60, 67, .72); }
.row { display: flex; align-items: center; gap: 9px; }
.grow { flex: 1; min-width: 0; }
.chip { font-size: 10px; font-weight: 600; padding: 3px 8px; border-radius: 99px; white-space: nowrap; display: inline-block; letter-spacing: 0; border: 1px solid rgba(255, 255, 255, .6); }
.chip.ok { background: rgba(52, 199, 89, .16); color: #1f7a3a; }
.chip.warn { background: rgba(255, 159, 10, .18); color: #9a5b00; }
.chip.crit { background: rgba(255, 59, 48, .14); color: #c0271d; }
.chip.acc { background: rgba(10, 132, 255, .14); color: #0a64c9; }
.chip.mute { background: rgba(120, 120, 128, .14); color: rgba(60, 60, 67, .8); }
.abtn { background: linear-gradient(180deg, #3b9bff, #0a84ff 55%, #0070e0); color: #fff; border-radius: 99px; padding: 10px 12px; text-align: center; font-weight: 600; font-size: 12.5px; display: block; border: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), inset 0 -1px 0 rgba(0, 0, 0, .1), 0 8px 18px -8px rgba(10, 132, 255, .7); }
.abtn.ghost { color: var(--app-ink); }
.abtn.ok { background: linear-gradient(180deg, #4ade80, #30d158 55%, #22b54a); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 8px 18px -8px rgba(48, 209, 88, .7); }
.abtn.dark { background: linear-gradient(180deg, #3a3a3c, #1c1c1e); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), 0 8px 18px -8px rgba(0, 0, 0, .6); }
.mt-auto { margin-top: auto; }
.tabs { display: inline-flex; align-self: flex-start; gap: 2px; padding: 3px; border-radius: 99px; }
.tabs span { font-size: 11px; font-weight: 600; padding: 5px 11px; border-radius: 99px; color: rgba(60, 60, 67, .75); }
.tabs span.on { background: #fff; color: var(--app-ink); box-shadow: 0 2px 8px -2px rgba(30, 41, 59, .25); }
.caret { display: inline-block; width: 1.5px; height: 1.05em; background: #0a84ff; vertical-align: -2px; margin-left: 1px; animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }

/* avatars: mesh gradient + grain (Cortex-style thumbnails) */
.avatar { --a1: #22d3ee; --a2: #6366f1; --a3: #2563eb;
  width: 30px; height: 30px; border-radius: 50%; flex: none; position: relative; overflow: hidden; isolation: isolate;
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 11px; letter-spacing: .02em; text-shadow: 0 1px 2px rgba(0, 0, 0, .25);
  background: radial-gradient(90% 90% at 25% 20%, var(--a1), transparent 60%), radial-gradient(90% 90% at 85% 85%, var(--a2), transparent 65%), var(--a3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 2px 6px -2px rgba(15, 23, 42, .35); }
.avatar::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; mix-blend-mode: overlay; opacity: .55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.avatar.lg { width: 40px; height: 40px; font-size: 14px; }
.avatar.b { --a1: #fcd34d; --a2: #f43f5e; --a3: #f97316; }
.avatar.c { --a1: #bef264; --a2: #0d9488; --a3: #10b981; }
.avatar.d { --a1: #f9a8d4; --a2: #7c3aed; --a3: #a855f7; }
.avatar.e { --a1: #7dd3fc; --a2: #1e40af; --a3: #0ea5e9; }
.avatar.f { --a1: #fde68a; --a2: #b91c1c; --a3: #ea580c; }

/* ---------- diagram atoms ---------- */
.dg { width: 100%; height: auto; display: block; overflow: visible; }
.dg text { font-family: var(--in-sans); fill: var(--in-ink-2); }
.dg .mono { font-family: var(--in-mono); }
.dg .lbl { font-size: 13px; fill: var(--in-muted); letter-spacing: .06em; }
.dg .ttl { font-size: 17px; fill: var(--in-ink); font-weight: 600; }

.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: 880px; margin: 0 auto; }
.kpi { border: 1px solid var(--in-line); border-radius: 18px; padding: 20px; background: rgba(255, 255, 255, .02); }
.kpi .v { font-size: clamp(34px, 4.6vw, 52px); font-weight: 700; letter-spacing: -.03em; color: var(--in-ink); line-height: 1; font-variant-numeric: tabular-nums; }
.kpi .v small { font-size: .45em; color: var(--in-muted); font-weight: 500; letter-spacing: 0; }
.kpi .k { font-family: var(--in-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--in-muted); margin-top: 10px; }
.kpi p { font-size: 14px; color: var(--in-ink-2); margin: 8px 0 0; line-height: 1.5; }
@media (max-width: 760px) { .kpis { grid-template-columns: minmax(0, 1fr); } }

/* split-text reveal */
.sr-w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.sr-w > span { display: inline-block; will-change: transform; }

/* ---------- FAQ, author, CTA, related ---------- */
.in-faq { margin-top: 1.2em; border-top: 1px solid var(--in-line); }
.in-faq details { border-bottom: 1px solid var(--in-line); padding: 16px 0; }
.in-faq summary { cursor: pointer; list-style: none; font-weight: 600; color: var(--in-ink); font-size: 17.5px; display: flex; justify-content: space-between; gap: 16px; }
.in-faq summary::-webkit-details-marker { display: none; }
.in-faq summary::after { content: "+"; font-family: var(--in-mono); color: var(--in-muted); transition: transform .25s; }
.in-faq details[open] summary::after { transform: rotate(45deg); }
.in-faq details p { margin-top: 10px; font-size: 16.5px; }

.in-author { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 18px; align-items: start; border: 1px solid var(--in-line); border-radius: 20px; padding: 22px; background: var(--in-bg-2); margin-top: 3em !important; }
.in-author .av { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, #1d4ed8, #0ea5e9); display: grid; place-items: center; font-weight: 700; color: #fff; font-size: 20px; overflow: hidden; }
.in-author .av img { width: 100%; height: 100%; object-fit: cover; }
.in-author b { color: var(--in-ink); display: block; font-size: 17px; }
.in-author p { font-size: 15.5px !important; line-height: 1.6; margin: 6px 0 0 !important; }

.in-cta { position: relative; overflow: hidden; border-radius: 26px; border: 1px solid rgba(96, 165, 250, .3); padding: 38px 30px; margin: 3em auto 0; max-width: 900px; text-align: center;
  background: radial-gradient(70% 90% at 50% 0%, rgba(59, 130, 246, .28), transparent 70%), #0d1320; }
.in-cta h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.025em; margin: 0 0 12px; color: var(--in-ink); }
.in-cta p { color: var(--in-ink-2); max-width: 56ch; margin: 0 auto 22px; font-size: 17px; line-height: 1.6; }
.in-cta .btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.in-cta a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 99px; font-weight: 600; font-size: 15px; text-decoration: none; }
.in-cta a.p { background: #fff; color: #0a0a0a; }
.in-cta a.s { border: 1px solid var(--in-line-2); color: var(--in-ink); }

.in-related { max-width: 1080px; margin: 60px auto 0; padding: 0 20px 90px; }
.in-related h2 { font-size: 15px; font-family: var(--in-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--in-muted); font-weight: 500; margin: 0 0 16px; }
.in-related .g { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.in-related a { display: block; border: 1px solid var(--in-line); border-radius: 18px; padding: 20px; text-decoration: none; background: var(--in-bg-2); transition: border-color .25s, transform .25s; }
.in-related a:hover { border-color: rgba(96, 165, 250, .45); transform: translateY(-2px); }
.in-related .t { font-family: var(--in-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--in-accent-2); }
.in-related .h { color: var(--in-ink); font-weight: 600; font-size: 17px; line-height: 1.35; margin-top: 8px; }
@media (max-width: 860px) { .in-related .g { grid-template-columns: minmax(0, 1fr); } }

/* reading progress */
.in-progress { position: fixed; left: 0; top: 0; height: 3px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--in-accent), var(--in-warm)); z-index: 10000; pointer-events: none; }

@media (max-width: 520px) {
  .in-hero { padding-top: 120px; }
  .in-body { font-size: 17.5px; }
  .phone { width: 276px; }
}
@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; }
}