/* ------------------------------------------------------------
       TOKENS — pulled from Brainy Neurals design system
       ------------------------------------------------------------ */
    :root {
      --ink: #0A0A0B;
      --ink-2: #1A1A1D;
      --ink-3: #2A2A2E;
      --paper: #FFFFFF;
      --paper-2: #F4F4F2;
      --paper-3: #E8E8E4;
      --bone: #FAFAF8;
      --line: rgba(10, 10, 11, 0.14);
      --line-soft: rgba(10, 10, 11, 0.08);
      --line-dark: rgba(244, 239, 230, 0.14);
      --muted: rgba(10, 10, 11, 0.58);
      --muted-dark: rgba(244, 239, 230, 0.62);
      --blue: #0655FF;
      --blue-2: #0444CC;
      --blue-tint: #DCE5FF;
      --blue-deep: #03257A;
      --signal: #B5FF3C;
      --rust: #C2410C;

      --r-sm: 4px;
      --r: 8px;
      --r-lg: 14px;
      --r-xl: 22px;

      --container: 1320px;
      --gutter: 32px;

      --t1: cubic-bezier(.2, .7, .2, 1);
      --t2: cubic-bezier(.7, 0, .3, 1);
    }

    /* ------------------------------------------------------------
       BASE
       ------------------------------------------------------------ */
    *, *::before, *::after { box-sizing: border-box; }
    html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
    }
    body {
      margin: 0;
      font-family: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
      font-weight: 400;
      font-size: 17px;
      line-height: 1.5;
      color: var(--ink);
      background: var(--paper);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      font-feature-settings: "ss01", "cv11";
    }
    img, svg { display: block; max-width: 100%; }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
    ::selection { background: var(--ink); color: var(--paper); }

    .mono { font-family: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace; }
    .serif { font-family: "IBM Plex Serif", "Times New Roman", serif; font-weight: 400; }

    /* Skip link */
    .skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--paper); padding: 10px 14px; border-radius: var(--r); z-index: 9999; }
    .skip:focus { left: 16px; }

    :focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }

    /* ------------------------------------------------------------
       LAYOUT
       ------------------------------------------------------------ */
    .wrap { max-width: var(--container); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
    .section { padding: 120px 0; position: relative; }
    .section-tight { padding: 80px 0; }
    .dark { background: var(--ink); color: var(--bone); }
    .dark a { color: var(--bone); }

    /* Section eyebrow — mono index label */
    .sec-eyebrow {
      display: flex; align-items: center; gap: 14px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 28px;
    }
    .dark .sec-eyebrow { color: var(--muted-dark); }
    .sec-eyebrow .ix { color: var(--ink); }
    .dark .sec-eyebrow .ix { color: var(--bone); }
    .sec-eyebrow .rule { flex: 1; height: 1px; background: var(--line); max-width: 80px; }
    .dark .sec-eyebrow .rule { background: var(--line-dark); }
    .sec-eyebrow .sq { width: 6px; height: 6px; background: var(--blue); display: inline-block; }

    /* Headlines */
    .h-display {
      font-weight: 500;
      font-size: clamp(40px, 6vw, 88px);
      line-height: 0.98;
      letter-spacing: -0.035em;
      margin: 0;
      text-wrap: balance;
    }
    .h-display em { font-style: italic; font-family: "IBM Plex Serif", serif; font-weight: 400; letter-spacing: -0.02em; color: var(--blue); }
    .dark .h-display em { color: var(--blue-tint); }

    .h-section {
      font-weight: 500;
      font-size: clamp(34px, 4.4vw, 60px);
      line-height: 1.02;
      letter-spacing: -0.03em;
      margin: 0 0 24px;
      text-wrap: balance;
    }
    .h-section em { font-style: italic; font-family: "IBM Plex Serif", serif; font-weight: 400; }
    .h-section .blue { color: var(--blue); font-style: italic; font-family: "IBM Plex Serif", serif; font-weight: 400; }
    .dark .h-section .blue { color: var(--blue-tint); }

    .lede { font-size: clamp(18px, 1.4vw, 22px); line-height: 1.45; color: var(--ink); max-width: 820px; text-wrap: pretty; margin: 0 0 32px; }
    .dark .lede { color: var(--bone); }

    p { margin: 0 0 16px; text-wrap: pretty; }
    p.muted { color: var(--muted); }
    .dark p.muted, .dark .muted { color: var(--muted-dark); }

    /* ------------------------------------------------------------
       BUTTONS
       ------------------------------------------------------------ */
    .btn {
      display: inline-flex; align-items: center; gap: 10px;
      height: 48px; padding: 0 22px;
      border-radius: 999px;
      font-size: 15px; font-weight: 500;
      letter-spacing: -0.005em;
      white-space: nowrap;
      transition: background .2s var(--t1), color .2s var(--t1), border-color .2s var(--t1);
      min-height: 44px;
    }
    .btn .arr { transition: transform .25s var(--t1); display: inline-block; }
    .btn:hover .arr { transform: translateX(4px); }
    .btn-primary { background: var(--blue); color: #fff; }
    .btn-primary:hover { background: var(--blue-2); }
    .btn-ink { background: var(--ink); color: var(--bone); }
    .btn-ink:hover { background: var(--ink-2); }
    .btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
    .btn-ghost:hover { border-color: var(--ink); background: var(--bone); }
    .dark .btn-ghost { color: var(--bone); border-color: var(--line-dark); }
    .dark .btn-ghost:hover { border-color: var(--bone); background: rgba(255,255,255,0.05); }
    .btn-onblue { background: #fff; color: var(--blue); }
    .btn-onblue:hover { background: var(--ink); color: #fff; }

    /* ------------------------------------------------------------
       NAV (always-on shell)
       ------------------------------------------------------------ */
    .nav {
      position: sticky; top: 0; z-index: 50;
      background: rgba(255, 255, 255, 0.78);
      backdrop-filter: blur(12px) saturate(140%);
      -webkit-backdrop-filter: blur(12px) saturate(140%);
      border-bottom: 1px solid var(--line-soft);
    }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; }
    .brand-logo { height: 30px; width: auto; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-link {
      font-size: 14.5px; padding: 8px 12px; border-radius: 8px;
      display: inline-flex; align-items: center; gap: 6px;
      transition: background .15s var(--t1);
    }
    .nav-link:hover { background: rgba(10, 10, 11, 0.06); }
    .nav-link.current { background: rgba(6, 85, 255, 0.08); color: var(--blue); }
    .nav-cta { display: flex; align-items: center; gap: 12px; }
    .nav-mono {
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px; color: var(--muted);
      display: flex; align-items: center; gap: 6px;
    }
    .nav-mono .pulse { width: 6px; height: 6px; border-radius: 50%; background: #16A34A; box-shadow: 0 0 0 0 rgba(22, 163, 74, .6); animation: pulse 2s infinite; }
    @keyframes pulse {
      0%   { box-shadow: 0 0 0 0 rgba(22,163,74,.5); }
      70%  { box-shadow: 0 0 0 8px rgba(22,163,74,0); }
      100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
    }
    .nav-burger { display: none; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 8px; border: 1px solid var(--line); }
    .nav-burger span { display: block; width: 16px; height: 1.5px; background: var(--ink); position: relative; }
    .nav-burger span::before, .nav-burger span::after { content: ""; position: absolute; left: 0; width: 16px; height: 1.5px; background: var(--ink); }
    .nav-burger span::before { top: -5px; }
    .nav-burger span::after { top: 5px; }
    @media (max-width: 1080px) {
      .nav-links { display: none; }
      .nav-mono { display: none; }
      .nav-burger { display: inline-flex; }
      .nav .nav-cta .btn-ghost { display: none; }
    }

    /* Breadcrumb strip — quiet mono row beneath nav */
    .crumbs {
      border-bottom: 1px solid var(--line);
      background: var(--paper);
    }
    .crumbs-inner {
      height: 44px; display: flex; align-items: center; gap: 10px;
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: 0.04em;
      color: var(--muted);
    }
    .crumbs-inner a:hover { color: var(--ink); border-bottom: 1px solid var(--ink); }
    .crumbs-inner .sep { opacity: 0.4; }
    .crumbs-inner .here { color: var(--ink); }

    /* ============================================================
       §1  HERO
       Editorial display headline + signature "Document Decoder" panel
       ============================================================ */
    .hero { position: relative; padding: 72px 0 64px; overflow: hidden; }
    .hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: end; }

    .hero-eyebrow {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 6px 12px 6px 8px;
      border: 1px solid var(--line);
      border-radius: 999px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 12px; letter-spacing: 0.02em;
      background: var(--bone);
      margin-bottom: 26px;
    }
    .hero-eyebrow .badge {
      background: var(--ink); color: var(--paper);
      font-family: "IBM Plex Mono", monospace;
      font-size: 10.5px; letter-spacing: 0.04em;
      padding: 3px 8px; border-radius: 999px;
    }
    .hero h1 { margin: 0 0 28px; }
    .hero-sub { font-size: clamp(17px, 1.25vw, 19px); line-height: 1.55; color: var(--ink); max-width: 640px; margin: 0 0 32px; }
    .hero-sub .muted { color: var(--muted); }
    .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

    /* Signature: Document Decoder panel */
    .decoder {
      position: relative;
      background: var(--ink);
      color: var(--bone);
      border-radius: var(--r-lg);
      padding: 22px;
      border: 1px solid var(--ink-3);
      font-family: "IBM Plex Mono", monospace;
      font-size: 12.5px;
      overflow: hidden;
      box-shadow: 0 30px 60px -30px rgba(10, 10, 11, 0.35), 0 2px 6px rgba(10, 10, 11, 0.06);
    }
    .decoder::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background:
        linear-gradient(180deg, rgba(6, 85, 255, 0.10), transparent 30%),
        radial-gradient(120% 60% at 100% 0%, rgba(6, 85, 255, 0.15), transparent 50%);
    }
    .dec-head { display: flex; align-items: center; justify-content: space-between; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-dark); position: relative; }
    .dec-head .dots { display: flex; gap: 6px; }
    .dec-head .dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
    .dec-head .dots span:nth-child(1) { background: #5C5C66; }
    .dec-head .dots span:nth-child(2) { background: #3B3B42; }
    .dec-head .dots span:nth-child(3) { background: #2A2A2E; }
    .dec-title { color: var(--bone); margin-top: 14px; font-size: 13px; letter-spacing: 0.02em; position: relative; }
    .dec-title .sig { color: var(--signal); margin-right: 8px; }
    .dec-rule { height: 1px; background: var(--line-dark); margin: 14px 0 14px; position: relative; }

    /* Two-pane: document image + extraction */
    .dec-panes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; position: relative; }
    .doc-shot {
      background: #1F1F23;
      border: 1px solid var(--ink-3);
      border-radius: 8px;
      padding: 14px 12px;
      position: relative;
      aspect-ratio: 0.78;
      overflow: hidden;
    }
    .doc-head { display: flex; justify-content: space-between; font-size: 9.5px; color: var(--muted-dark); letter-spacing: 0.05em; margin-bottom: 12px; }
    .doc-line { height: 4px; background: rgba(255,255,255,0.18); border-radius: 2px; margin-bottom: 7px; }
    .doc-line.w90 { width: 90%; } .doc-line.w75 { width: 75%; } .doc-line.w60 { width: 60%; } .doc-line.w40 { width: 40%; } .doc-line.w30 { width: 30%; }
    .doc-line.short { width: 35%; height: 3px; }
    .doc-row { display: flex; gap: 6px; margin-bottom: 7px; }
    .doc-row .doc-line { margin: 0; flex: 1; height: 3.5px; }
    .doc-table { margin-top: 10px; padding: 8px; border: 1px dashed rgba(255,255,255,0.15); border-radius: 4px; display: grid; grid-template-rows: repeat(4, 1fr); gap: 5px; }
    .doc-table .doc-line { height: 3px; margin: 0; }

    /* Annotation boxes — pulsing field highlights */
    .anno {
      position: absolute;
      border: 1.5px solid var(--blue);
      background: rgba(6, 85, 255, 0.08);
      border-radius: 3px;
      pointer-events: none;
      animation: anno-pulse 3s var(--t1) infinite;
    }
    .anno::before {
      content: attr(data-tag);
      position: absolute;
      top: -16px; left: -1px;
      background: var(--blue); color: #fff;
      font-size: 8.5px; padding: 1px 5px; border-radius: 2px;
      letter-spacing: 0.04em;
      white-space: nowrap;
    }
    .anno.a1 { top: 16%; left: 10%; right: 30%; height: 8%; animation-delay: 0s; }
    .anno.a2 { top: 32%; left: 10%; width: 38%; height: 6%; animation-delay: 0.6s; }
    .anno.a3 { top: 32%; right: 10%; width: 26%; height: 6%; animation-delay: 1.2s; }
    .anno.a4 { bottom: 24%; left: 12%; right: 12%; height: 22%; border-style: dashed; animation-delay: 1.8s; }
    @keyframes anno-pulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(6, 85, 255, 0.45); }
      50%      { box-shadow: 0 0 0 4px rgba(6, 85, 255, 0); }
    }

    /* Right pane — JSON extraction */
    .dec-extract {
      background: #14141A;
      border: 1px solid var(--ink-3);
      border-radius: 8px;
      padding: 12px;
      font-size: 11px;
      display: flex; flex-direction: column; gap: 6px;
    }
    .dec-extract .ex-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: baseline; padding: 5px 0; border-bottom: 1px dashed var(--ink-3); }
    .dec-extract .ex-row:last-child { border-bottom: 0; }
    .dec-extract .k { color: var(--muted-dark); }
    .dec-extract .v { color: var(--bone); }
    .dec-extract .v.blue { color: #7AA0FF; }
    .dec-extract .v.sig { color: var(--signal); }
    .dec-extract .conf { font-size: 9.5px; color: var(--signal); letter-spacing: 0.04em; }

    /* Hero proof marquee */
    .proof-marquee {
      position: relative;
      margin-top: 56px;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      overflow: hidden;
      height: 108px;
      background:
        repeating-linear-gradient(90deg, transparent 0 23px, rgba(10, 10, 11, 0.04) 23px 24px),
        var(--paper);
    }
    .proof-marquee::before, .proof-marquee::after {
      content: ""; position: absolute; top: 0; bottom: 0; width: 96px; pointer-events: none; z-index: 2;
    }
    .proof-marquee::before { left: 0; background: linear-gradient(90deg, var(--paper), transparent); }
    .proof-marquee::after { right: 0; background: linear-gradient(-90deg, var(--paper), transparent); }
    .proof-track { display: flex; align-items: center; gap: 56px; height: 100%; width: max-content; animation: pmscroll 56s linear infinite; }
    .proof-marquee:hover .proof-track { animation-play-state: paused; }
    @media (prefers-reduced-motion: reduce) { .proof-track { animation: none; } }
    .pm-item { display: inline-flex; align-items: center; gap: 14px; flex-shrink: 0; white-space: nowrap; }
    .pm-item .v {
      font-family: "IBM Plex Serif", serif; font-style: italic; font-weight: 400;
      font-size: 56px; line-height: 1; letter-spacing: -0.015em; color: var(--ink);
    }
    .pm-item .v .plus { color: var(--blue); font-size: 0.7em; }
    .pm-item .v.mono { font-family: "IBM Plex Sans", sans-serif; font-style: normal; font-weight: 500; font-size: 28px; letter-spacing: -0.025em; display: inline-flex; align-items: center; gap: 8px; }
    .pm-item .v.mono::before { content: ""; width: 6px; height: 6px; background: var(--blue); display: inline-block; }
    .pm-item .l { font-family: "IBM Plex Mono", monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); line-height: 1.3; white-space: normal; max-width: 160px; }
    .pm-sep { flex-shrink: 0; width: 8px; height: 8px; transform: rotate(45deg); border: 1px solid var(--blue); }
    @keyframes pmscroll { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-50%, 0, 0); } }

    @media (max-width: 1024px) { .hero-grid { grid-template-columns: 1fr; gap: 36px; } }
    @media (max-width: 540px) {
      .pm-item .v { font-size: 44px; }
      .pm-item .v.mono { font-size: 22px; }
      .proof-marquee { height: 88px; }
    }

    /* ============================================================
       §2  $4.3B PROBLEM
       Editorial split: oversized stat numeral L, prose R
       ============================================================ */
    .problem { padding: 120px 0; background: var(--paper); position: relative; }
    .problem-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 64px; align-items: start; }
    .problem-left { position: sticky; top: 80px; align-self: start; }
    .problem-stat-card {
      background: var(--bone);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 36px;
      position: relative;
      overflow: hidden;
    }
    .problem-stat-card .lbl {
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 10px;
      margin-bottom: 18px;
    }
    .problem-stat-card .lbl .sq { width: 6px; height: 6px; background: var(--blue); display: inline-block; }
    .problem-stat-card .big {
      font-family: "IBM Plex Serif", serif; font-style: italic; font-weight: 400;
      font-size: clamp(72px, 9vw, 140px); line-height: 0.9; letter-spacing: -0.04em;
      color: var(--ink); margin: 0;
    }
    .problem-stat-card .big .plus { color: var(--blue); font-size: 0.55em; vertical-align: text-top; }
    .problem-stat-card .arrow {
      display: flex; align-items: center; gap: 14px;
      margin: 24px 0 0;
      font-family: "IBM Plex Mono", monospace; font-size: 12.5px; letter-spacing: 0.04em;
      color: var(--muted);
    }
    .problem-stat-card .arrow .rule { flex: 1; height: 1px; background: var(--line); }
    .problem-stat-card .big-2 {
      font-family: "IBM Plex Sans", sans-serif; font-weight: 500;
      font-size: clamp(40px, 4.5vw, 64px); line-height: 0.95; letter-spacing: -0.03em;
      color: var(--ink); margin: 6px 0 0;
    }
    .problem-stat-card .big-2 .plus { color: var(--blue); font-size: 0.55em; vertical-align: text-top; }
    .problem-stat-card .src {
      margin-top: 28px; padding-top: 20px; border-top: 1px dashed var(--line);
      font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--muted); letter-spacing: 0.04em;
      display: flex; flex-direction: column; gap: 6px;
    }
    .problem-stat-card .src .row { display: flex; justify-content: space-between; align-items: baseline; }
    .problem-stat-card .src .row .v { color: var(--ink); font-weight: 500; }

    .problem-right h2 { margin-bottom: 36px; }
    .problem-right p { font-size: 17px; line-height: 1.65; color: var(--ink); margin-bottom: 22px; }
    .problem-right p .blue { color: var(--blue); font-weight: 500; }
    .problem-right .pull {
      background: var(--ink); color: var(--bone);
      border-radius: var(--r-lg); padding: 28px 32px;
      margin: 28px 0;
      font-family: "IBM Plex Sans", sans-serif; font-weight: 500;
      font-size: clamp(20px, 1.8vw, 24px); line-height: 1.3; letter-spacing: -0.015em;
    }
    .problem-right .pull em { font-family: "IBM Plex Serif", serif; font-style: italic; color: var(--blue-tint); }

    @media (max-width: 1024px) {
      .problem-grid { grid-template-columns: 1fr; gap: 40px; }
      .problem-left { position: static; }
    }

    /* ============================================================
       §3  CAPABILITIES
       Dark band, 7-row ledger; each row has eyebrow, title, desc.
       ============================================================ */
    .caps { background: var(--ink); color: var(--bone); padding: 120px 0; position: relative; overflow: hidden; }
    .caps::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: linear-gradient(180deg, black, transparent 80%);
      -webkit-mask-image: linear-gradient(180deg, black, transparent 80%);
      opacity: 0.6;
    }
    .caps .wrap { position: relative; }
    .caps-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 56px; }
    .caps-head h2 em { color: var(--blue-tint); }
    .caps-head .lede { color: var(--muted-dark); margin: 0; }
    .caps-list { border-top: 1px solid var(--line-dark); }
    .cap-row {
      display: grid;
      grid-template-columns: 80px 1.5fr 2.4fr 40px;
      gap: 32px;
      padding: 32px 0;
      border-bottom: 1px solid var(--line-dark);
      align-items: start;
      position: relative;
      transition: background .25s var(--t1);
    }
    .cap-row:hover { background: rgba(255, 255, 255, 0.02); }
    .cap-row .ix {
      font-family: "IBM Plex Mono", monospace; font-size: 14px;
      letter-spacing: 0.04em; color: var(--muted-dark); padding-top: 4px;
    }
    .cap-row .ix .blue { color: var(--blue-tint); }
    .cap-row .title h3 {
      font-size: clamp(20px, 1.7vw, 26px); font-weight: 500;
      letter-spacing: -0.015em; line-height: 1.2; margin: 0 0 12px; color: var(--bone);
    }
    .cap-row .title h3 em { font-family: "IBM Plex Serif", serif; font-style: italic; color: var(--blue-tint); font-weight: 400; }
    .cap-row .title .meta {
      display: flex; flex-wrap: wrap; gap: 6px;
      font-family: "IBM Plex Mono", monospace; font-size: 10.5px;
      letter-spacing: 0.05em; text-transform: uppercase;
    }
    .cap-row .title .meta .chip {
      padding: 3px 8px; border-radius: 3px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--line-dark); color: var(--muted-dark);
    }
    .cap-row .title .meta .chip.core { background: var(--blue); border-color: var(--blue); color: #fff; }
    .cap-row .desc { font-size: 15px; line-height: 1.65; color: var(--muted-dark); }
    .cap-row .desc p { margin-bottom: 12px; }
    .cap-row .desc p:last-child { margin-bottom: 0; }
    .cap-row .arr {
      justify-self: end; padding-top: 6px;
      width: 36px; height: 36px; border-radius: 50%;
      border: 1px solid var(--line-dark); display: grid; place-items: center;
      color: var(--bone); transition: background .2s var(--t1), border-color .2s var(--t1);
    }
    .cap-row:hover .arr { background: var(--blue); border-color: var(--blue); }
    .cap-row .arr span { transition: transform .25s var(--t1); }
    .cap-row:hover .arr span { transform: translateX(3px); }
    @media (max-width: 960px) {
      .cap-row { grid-template-columns: 60px 1fr; row-gap: 14px; }
      .cap-row .desc { grid-column: 1 / -1; padding-left: 60px; }
      .cap-row .arr { display: none; }
      .caps-head { grid-template-columns: 1fr; }
    }

    /* ============================================================
       §4  TECH STACK
       White section, accordion-style 10 rows
       ============================================================ */
    .stack { padding: 120px 0; background: var(--paper); }
    .stack-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .stack-head .lede { margin: 0; }
    .stack-table { border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
    .stack-row { display: grid; grid-template-columns: 0.65fr 2fr; gap: 0; border-bottom: 1px solid var(--line); transition: background .2s var(--t1); }
    .stack-row:last-child { border-bottom: 0; }
    .stack-row:hover { background: var(--bone); }
    .stack-row .cat {
      padding: 28px 28px 28px 32px;
      border-right: 1px solid var(--line);
      display: flex; flex-direction: column; gap: 8px;
      background: var(--bone);
    }
    .stack-row .cat .ix { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--muted); }
    .stack-row .cat .nm { font-size: 18px; font-weight: 500; letter-spacing: -0.015em; line-height: 1.2; }
    .stack-row .tags { padding: 28px 32px; display: flex; flex-wrap: wrap; gap: 6px 8px; align-content: center; }
    .stack-row .tag {
      display: inline-block; padding: 5px 10px;
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px;
      border: 1px solid var(--line); border-radius: 4px;
      background: var(--paper); color: var(--ink);
      transition: background .15s var(--t1), border-color .15s var(--t1);
    }
    .stack-row .tag:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }
    .stack-row .tag.note { background: transparent; border-style: dashed; color: var(--muted); }
    @media (max-width: 900px) {
      .stack-row { grid-template-columns: 1fr; }
      .stack-row .cat { border-right: 0; border-bottom: 1px solid var(--line); padding: 20px 24px; }
      .stack-row .tags { padding: 20px 24px; }
    }

    /* ============================================================
       §5  ARCHITECTURE DECISION
       Signature: 3-column triptych — OCR / LLM / HYBRID (atmospheric)
       ============================================================ */
    .arch { background: var(--ink); color: var(--bone); padding: 120px 0; position: relative; overflow: hidden; }
    .arch::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: linear-gradient(180deg, black, transparent 90%);
      -webkit-mask-image: linear-gradient(180deg, black, transparent 90%);
      opacity: 0.5;
    }
    .arch .wrap { position: relative; }
    .arch-head { max-width: 880px; margin-bottom: 24px; }
    .arch-head h2 em { color: var(--blue-tint); }
    .arch-intro {
      font-size: clamp(16px, 1.2vw, 18px); line-height: 1.65; color: var(--muted-dark);
      max-width: 880px; margin: 0 0 64px;
    }
    .triptych { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 20px; }
    .arch-card {
      background: var(--ink-2);
      border: 1px solid var(--ink-3);
      border-radius: var(--r-lg);
      padding: 32px 28px;
      position: relative;
      display: flex; flex-direction: column;
      transition: transform .35s var(--t1), border-color .35s var(--t1);
    }
    .arch-card:hover { transform: translateY(-4px); }
    .arch-card .tag {
      font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--muted-dark);
      display: flex; align-items: center; gap: 10px;
      margin-bottom: 14px;
    }
    .arch-card .tag .sq { width: 6px; height: 6px; background: var(--muted-dark); }
    .arch-card h3 {
      font-size: clamp(22px, 2vw, 30px); font-weight: 500; letter-spacing: -0.02em;
      line-height: 1.1; margin: 0 0 8px; color: var(--bone);
    }
    .arch-card .sub { font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: 0.04em; color: var(--muted-dark); margin-bottom: 24px; }
    .arch-card .rows { display: flex; flex-direction: column; gap: 0; margin-top: auto; }
    .arch-card .ar {
      display: grid; grid-template-columns: 90px 1fr; gap: 12px;
      padding: 14px 0; border-bottom: 1px solid var(--line-dark);
      font-size: 13.5px; line-height: 1.4;
    }
    .arch-card .ar:last-child { border-bottom: 0; }
    .arch-card .ar .k { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-dark); padding-top: 2px; }
    .arch-card .ar .v { color: var(--bone); }
    .arch-card .ar .v.lo { color: #7AA0FF; }
    .arch-card .best { font-size: 14.5px; line-height: 1.55; color: var(--bone); margin: 0 0 24px; min-height: 44px; }

    /* Hybrid card — atmospheric blue */
    .arch-card.rec {
      background:
        radial-gradient(60% 100% at 100% 0%, rgba(122, 160, 255, 0.32), transparent 60%),
        radial-gradient(70% 80% at 0% 100%, rgba(2, 30, 120, 0.55), transparent 65%),
        linear-gradient(135deg, #0858FF 0%, #0540D6 55%, #0432A8 100%);
      border-color: rgba(255, 255, 255, 0.18);
      color: #fff;
    }
    .arch-card.rec::after {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(circle at 70% 30%, black, transparent 80%);
      -webkit-mask-image: radial-gradient(circle at 70% 30%, black, transparent 80%);
      border-radius: var(--r-lg);
    }
    .arch-card.rec > * { position: relative; z-index: 1; }
    .arch-card.rec .tag { color: rgba(255, 255, 255, 0.85); }
    .arch-card.rec .tag .sq { background: var(--signal); }
    .arch-card.rec .sub, .arch-card.rec .ar .k { color: rgba(255, 255, 255, 0.78); }
    .arch-card.rec .ar { border-bottom-color: rgba(255, 255, 255, 0.18); }
    .arch-card.rec .ar .v.lo { color: var(--signal); }
    .arch-card.rec .rec-stamp {
      position: absolute; top: 24px; right: 24px;
      font-family: "IBM Plex Mono", monospace; font-size: 9.5px; letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 4px 8px; border-radius: 3px;
      background: rgba(255, 255, 255, 0.95); color: var(--blue);
      z-index: 2;
    }
    .arch-closing {
      margin-top: 56px;
      max-width: 980px;
      padding-top: 32px;
      border-top: 1px solid var(--line-dark);
      font-size: 16px; line-height: 1.7; color: var(--muted-dark);
    }
    .arch-closing strong { color: var(--bone); font-weight: 500; }
    @media (max-width: 960px) {
      .triptych { grid-template-columns: 1fr; }
    }

    /* ============================================================
       §6  INDUSTRIES
       BFSI as hero card + 4 in 2x2 below
       ============================================================ */
    .industries { padding: 120px 0; background: var(--paper); }
    .ind-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .ind-head .lede { margin: 0; }
    .ind-bfsi {
      display: grid; grid-template-columns: 1.2fr 1fr; gap: 0;
      background: var(--bone);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      overflow: hidden;
      margin-bottom: 20px;
    }
    .ind-bfsi .body { padding: 40px 44px; display: flex; flex-direction: column; justify-content: center; }
    .ind-bfsi .tag {
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--muted); margin-bottom: 14px;
      display: flex; align-items: center; gap: 10px;
    }
    .ind-bfsi .tag .sq { width: 6px; height: 6px; background: var(--blue); display: inline-block; }
    .ind-bfsi h3 {
      font-size: clamp(28px, 2.8vw, 40px); font-weight: 500; letter-spacing: -0.025em;
      line-height: 1.05; margin: 0 0 18px;
    }
    .ind-bfsi h3 em { font-family: "IBM Plex Serif", serif; font-style: italic; color: var(--blue); font-weight: 400; }
    .ind-bfsi p { font-size: 15.5px; line-height: 1.65; color: var(--muted); margin: 0; }
    .ind-bfsi .stat-side {
      background: var(--ink); color: var(--bone);
      padding: 40px 44px;
      display: flex; flex-direction: column; justify-content: space-between;
      position: relative; overflow: hidden;
    }
    .ind-bfsi .stat-side::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background:
        radial-gradient(60% 80% at 100% 0%, rgba(6, 85, 255, 0.18), transparent 60%);
    }
    .ind-bfsi .stat-side .lbl {
      font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--muted-dark);
      position: relative;
    }
    .ind-bfsi .stat-side .big {
      font-family: "IBM Plex Serif", serif; font-style: italic; font-weight: 400;
      font-size: clamp(72px, 9vw, 128px); line-height: 0.85; letter-spacing: -0.04em;
      color: var(--bone); margin: 18px 0; position: relative;
    }
    .ind-bfsi .stat-side .big .pct { color: var(--blue-tint); font-size: 0.55em; vertical-align: super; }
    .ind-bfsi .stat-side .cap {
      font-size: 14px; color: var(--muted-dark); line-height: 1.5; position: relative;
    }

    .ind-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .ind-card {
      background: var(--bone);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 32px;
      display: flex; flex-direction: column; gap: 14px;
      transition: background .25s var(--t1), border-color .25s var(--t1);
    }
    .ind-card:hover { background: #fff; border-color: var(--ink); }
    .ind-card .tag {
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--muted);
      display: flex; align-items: center; gap: 10px;
    }
    .ind-card .tag .sq { width: 6px; height: 6px; background: var(--ink); }
    .ind-card h3 { font-size: clamp(22px, 1.8vw, 26px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.15; margin: 0; }
    .ind-card h3 em { font-family: "IBM Plex Serif", serif; font-style: italic; color: var(--blue); font-weight: 400; }
    .ind-card p { font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; }
    @media (max-width: 800px) {
      .ind-bfsi { grid-template-columns: 1fr; }
      .ind-grid { grid-template-columns: 1fr; }
      .ind-head { grid-template-columns: 1fr; }
    }

    /* ============================================================
       §7  CASE STUDIES
       3-col grid, tall featured card on left
       ============================================================ */
    .cases { background: var(--ink); color: var(--bone); padding: 120px 0; position: relative; overflow: hidden; }
    .cases::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: linear-gradient(180deg, black, transparent 75%);
      -webkit-mask-image: linear-gradient(180deg, black, transparent 75%);
      opacity: 0.55;
    }
    .cases .wrap { position: relative; }
    .cases-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .cases-head h2 em { color: var(--blue-tint); }
    .cases-head .lede { color: var(--muted-dark); margin: 0; }
    .cases-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-auto-rows: minmax(280px, auto);
      gap: 1px;
      background: var(--line-dark);
      border: 1px solid var(--line-dark);
      border-radius: var(--r-lg);
      overflow: hidden;
    }
    .case-card {
      background: var(--ink-2);
      padding: 28px;
      display: flex; flex-direction: column; gap: 18px;
      position: relative;
      transition: background .25s var(--t1);
    }
    .case-card:hover { background: #202024; }
    .case-card.featured {
      grid-row: span 2;
      background:
        radial-gradient(70% 80% at 100% 0%, rgba(6, 85, 255, 0.22), transparent 60%),
        var(--ink-2);
      padding: 36px;
    }
    .case-card.featured:hover { background:
        radial-gradient(70% 80% at 100% 0%, rgba(6, 85, 255, 0.32), transparent 60%),
        #202024;
    }
    .case-tag { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark); display: flex; align-items: center; gap: 8px; }
    .case-tag .sq { width: 8px; height: 8px; background: var(--blue); }
    .case-card.featured .case-tag .sq { background: var(--signal); }
    .case-metric {
      font-weight: 500;
      font-size: clamp(36px, 4vw, 56px);
      line-height: 0.98; letter-spacing: -0.035em; margin: 0; color: var(--bone);
      text-wrap: balance;
    }
    .case-metric em { font-family: "IBM Plex Serif", serif; font-style: italic; font-weight: 400; color: var(--blue-tint); }
    .case-card.featured .case-metric { font-size: clamp(44px, 5.2vw, 72px)!important;}
    .case-desc { font-size: 14.5px; line-height: 1.6; color: var(--muted-dark); margin: 0; }
    .case-card.featured .case-desc { font-size: 15.5px; max-width: 540px; }
    .case-foot {
      margin-top: auto;
      display: flex; flex-direction: column; gap: 10px;
      padding-top: 18px;
      border-top: 1px solid var(--line-dark);
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.04em;
    }
    .case-foot .built { color: var(--muted-dark); line-height: 1.55; text-transform: uppercase; }
    .case-foot .built b { color: var(--bone); font-weight: 500; letter-spacing: 0.04em; }
    @media (max-width: 1024px) {
      .cases-head { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr 1fr; }
      .case-card.featured { grid-row: auto; grid-column: span 2; }
    }
    @media (max-width: 640px) {
      .cases-grid { grid-template-columns: 1fr; }
      .case-card.featured { grid-column: auto; }
    }

    /* ============================================================
       §8  HOW WE DELIVER
       Phase ribbon (gantt-like) + active learning loop
       ============================================================ */
    .deliver { padding: 120px 0; background: var(--paper); position: relative; }
    .deliver-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .deliver-head .lede { margin: 0; }

    /* Gantt-style phase ribbon */
    .gantt {
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      background: var(--bone);
      padding: 32px;
      margin-bottom: 56px;
    }
    .gantt-axis {
      display: grid; grid-template-columns: 220px repeat(12, 1fr);
      gap: 0; align-items: end;
      padding-bottom: 16px; margin-bottom: 16px;
      border-bottom: 1px dashed var(--line);
      font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.06em;
      color: var(--muted); text-transform: uppercase;
    }
    .gantt-axis .axis-lbl { color: var(--ink); }
    .gantt-axis .tick {
      text-align: center;
      border-left: 1px solid var(--line);
      padding: 0 0 2px;
    }
    .gantt-axis .tick:last-child { }
    .phase-row {
      display: grid; grid-template-columns: 220px repeat(12, 1fr);
      gap: 0;
      padding: 18px 0;
      border-bottom: 1px solid var(--line);
      align-items: center;
    }
    .phase-row:last-child { border-bottom: 0; }
    .phase-label { display: flex; flex-direction: column; gap: 4px; padding-right: 16px; }
    .phase-label .pnum { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--muted); text-transform: uppercase; }
    .phase-label .pname { font-size: 17px; font-weight: 500; letter-spacing: -0.012em; }
    .phase-bar-host { grid-column: span 12; display: grid; grid-template-columns: repeat(12, 1fr); gap: 0; height: 38px; align-items: center; }
    .phase-bar {
      grid-column: var(--start) / span var(--span);
      height: 32px;
      background: var(--blue);
      border-radius: 6px;
      display: flex; align-items: center; padding: 0 12px;
      color: #fff;
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.04em;
      position: relative;
      overflow: hidden;
    }
    .phase-bar::before {
      content: ""; position: absolute; inset: 0;
      background-image: repeating-linear-gradient(45deg, transparent 0 4px, rgba(255,255,255,0.08) 4px 5px);
    }
    .phase-bar > span { position: relative; }
    .phase-bar.p1 { background: linear-gradient(90deg, var(--blue) 0%, #0A4DD9 100%); }
    .phase-bar.p2 { background: linear-gradient(90deg, #0A4DD9 0%, #0F3FB8 100%); }
    .phase-bar.p3 { background: linear-gradient(90deg, #0F3FB8 0%, #103299 100%); }
    .phase-bar.p4 { background: linear-gradient(90deg, #103299 0%, #0A2580 100%); }

    /* Phase detail cards underneath */
    .phase-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .phase-card {
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 26px 24px;
      background: var(--paper);
      display: flex; flex-direction: column; gap: 12px;
    }
    .phase-card .head {
      display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
    }
    .phase-card .head .ph { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--blue); text-transform: uppercase; }
    .phase-card .head .wk { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--muted); }
    .phase-card h3 { font-size: 18px; font-weight: 500; letter-spacing: -0.015em; line-height: 1.2; margin: 0; }
    .phase-card p { font-size: 14px; line-height: 1.6; color: var(--muted); margin: 0; }

    /* Active learning loop — signature moment */
    .active-learn {
      margin-top: 48px;
      background: var(--ink); color: var(--bone);
      border-radius: var(--r-lg);
      padding: 48px;
      display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
      position: relative; overflow: hidden;
    }
    .active-learn::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background:
        radial-gradient(50% 60% at 70% 50%, rgba(6, 85, 255, 0.16), transparent 65%);
    }
    .active-learn .copy { position: relative; }
    .active-learn .lbl { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--signal); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
    .active-learn .lbl .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(181,255,60,.5); animation: pulse-sig 2s infinite; }
    .active-learn h3 { font-size: clamp(26px, 2.6vw, 36px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; margin: 0 0 18px; color: var(--bone); text-wrap: balance; }
    .active-learn h3 em { font-family: "IBM Plex Serif", serif; font-style: italic; color: var(--blue-tint); font-weight: 400; }
    .active-learn p { font-size: 15.5px; line-height: 1.65; color: var(--muted-dark); margin: 0; }
    @keyframes pulse-sig {
      0%   { box-shadow: 0 0 0 0 rgba(181,255,60,.5); }
      70%  { box-shadow: 0 0 0 8px rgba(181,255,60,0); }
      100% { box-shadow: 0 0 0 0 rgba(181,255,60,0); }
    }

    /* SVG loop diagram */
    .loop-diag { position: relative; aspect-ratio: 1; max-width: 380px; justify-self: center; }
    .loop-diag svg { width: 100%; height: 100%; }
    .loop-diag .node {
      position: absolute; transform: translate(-50%, -50%);
      font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.04em;
      text-transform: uppercase; color: var(--bone);
      background: var(--ink-2); border: 1px solid var(--line-dark);
      padding: 6px 10px; border-radius: 999px; white-space: nowrap;
    }
    .loop-diag .node.n1 { top: 8%;  left: 50%; }
    .loop-diag .node.n2 { top: 50%; left: 92%; }
    .loop-diag .node.n3 { top: 92%; left: 50%; }
    .loop-diag .node.n4 { top: 50%; left: 8%;  }
    .loop-diag .center {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
      font-family: "IBM Plex Serif", serif; font-style: italic;
      font-size: 28px; color: var(--blue-tint); letter-spacing: -0.015em;
      text-align: center;
    }
    .loop-diag .center .pct { display: block; font-size: 38px; line-height: 0.9; color: #fff; }
    .loop-diag .center .lbl { font-family: "IBM Plex Mono", monospace; font-style: normal; font-size: 9.5px; letter-spacing: 0.08em; color: var(--muted-dark); text-transform: uppercase; margin-top: 4px; }

    @media (max-width: 1024px) {
      .gantt-axis, .phase-row { grid-template-columns: 1fr; }
      .gantt-axis .tick { display: none; }
      .phase-bar-host { display: none; }
      .phase-cards { grid-template-columns: repeat(2, 1fr); }
      .deliver-head { grid-template-columns: 1fr; }
      .active-learn { grid-template-columns: 1fr; padding: 32px; }
    }
    @media (max-width: 560px) {
      .phase-cards { grid-template-columns: 1fr; }
    }

    /* ============================================================
       §9  WHY ENTERPRISE TEAMS CHOOSE BRAINY NEURALS
       12-col bento with 4 pillars + featured card
       ============================================================ */
    .why { padding: 120px 0; background: var(--bone); }
    .why-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .why-head .lede { margin: 0; }
    .why-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
    .why-card {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 32px;
      display: flex; flex-direction: column;
      position: relative;
    }
    .why-card .num {
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: 0.06em;
      color: var(--muted); margin-bottom: 16px;
      display: flex; align-items: center; gap: 10px; justify-content: space-between;
    }
    .why-card .num .ix { color: var(--ink); }
    .why-card .num .pill {
      background: var(--blue); color: #fff;
      font-size: 10px; padding: 3px 8px; border-radius: 999px; letter-spacing: 0.05em;
      text-transform: uppercase;
    }
    .why-card h3 { font-size: clamp(22px, 1.9vw, 26px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.18; margin: 0 0 14px; text-wrap: balance; }
    .why-card h3 em { font-family: "IBM Plex Serif", serif; font-style: italic; color: var(--blue); font-weight: 400; }
    .why-card p { font-size: 14.5px; line-height: 1.65; color: var(--muted); margin: 0 0 10px; }
    .why-card p:last-child { margin-bottom: 0; }
    .why-card.feat {
      background: var(--ink); color: var(--bone);
      border-color: var(--ink-3);
      position: relative; overflow: hidden;
    }
    .why-card.feat::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background: radial-gradient(80% 60% at 0% 100%, rgba(6, 85, 255, 0.16), transparent 65%);
    }
    .why-card.feat > * { position: relative; }
    .why-card.feat p { color: var(--muted-dark); }
    .why-card.feat .num { color: var(--muted-dark); }
    .why-card.feat .num .ix { color: var(--bone); }
    .why-card.feat h3 em { color: var(--blue-tint); }

    /* Founder cred — feature card with portrait */
    .why-card.founder { padding: 32px 32px 32px 32px; }
    .why-card.founder .portrait {
      width: 72px; height: 90px; border-radius: 6px;
      background: url("assets/founder/mitesh-patel.jpeg") center 18% / cover;
      border: 1px solid var(--ink-3);
      margin-bottom: 18px;
    }
    .why-card.founder .credline {
      display: flex; flex-wrap: wrap; gap: 6px;
      margin-top: 16px;
    }
    .why-card.founder .credline .b {
      font-family: "IBM Plex Mono", monospace; font-size: 10.5px;
      padding: 4px 8px; border-radius: 3px;
      background: rgba(255,255,255,0.06); color: var(--bone);
      border: 1px solid var(--line-dark);
      letter-spacing: 0.04em;
    }
    .why-card.founder .credline .b.blue { background: var(--blue); border-color: var(--blue); color: #fff; }
    .why-card.founder .uw-link {
      display: inline-flex; align-items: center; gap: 6px;
      margin-top: 14px;
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px;
      color: var(--bone); border-bottom: 1px solid var(--line-dark);
      padding-bottom: 2px; align-self: flex-start;
    }
    .why-card.founder .uw-link:hover { border-color: var(--bone); }

    .why-card.iso .cred-tag {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 5px 12px;
      background: var(--blue); color: #fff;
      border-radius: 999px;
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.04em;
      margin-bottom: 14px; align-self: flex-start;
    }

    .span-12 { grid-column: span 12; }
    .span-8 { grid-column: span 8; }
    .span-7 { grid-column: span 7; }
    .span-6 { grid-column: span 6; }
    .span-5 { grid-column: span 5; }
    .span-4 { grid-column: span 4; }
    @media (max-width: 1024px) { .span-8, .span-7, .span-6, .span-5, .span-4 { grid-column: span 12; } .why-head { grid-template-columns: 1fr; } }

    /* ============================================================
       §10  COMPARISON
       Dark band; 3-col table; BN column atmospheric blue
       ============================================================ */
    .compare { background: var(--ink); color: var(--bone); padding: 120px 0; position: relative; overflow: hidden; }
    .compare::before {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: linear-gradient(180deg, black, transparent 85%);
      -webkit-mask-image: linear-gradient(180deg, black, transparent 85%);
      opacity: 0.5;
    }
    .compare .wrap { position: relative; }
    .compare-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .compare-head h2 em { color: var(--blue-tint); }
    .compare-head .lede { color: var(--muted-dark); margin: 0; }

    .cmp-table {
      border: 1px solid var(--line-dark);
      border-radius: var(--r-lg);
      overflow: hidden;
      background: var(--ink-2);
    }
    .cmp-row {
      display: grid; grid-template-columns: 1.1fr 1fr 1fr 1.1fr;
      gap: 0;
      border-bottom: 1px solid var(--line-dark);
    }
    .cmp-row:last-child { border-bottom: 0; }
    .cmp-row .c {
      padding: 22px 24px;
      border-right: 1px solid var(--line-dark);
      font-size: 14px; line-height: 1.55;
    }
    .cmp-row .c:last-child { border-right: 0; }
    .cmp-row .c.factor {
      font-family: "IBM Plex Mono", monospace;
      font-size: 12px; letter-spacing: 0.04em;
      color: var(--bone); font-weight: 500;
    }
    .cmp-row .c.other { color: var(--muted-dark); }
    .cmp-row .c.bn {
      background:
        radial-gradient(120% 100% at 100% 0%, rgba(122, 160, 255, 0.18), transparent 60%),
        linear-gradient(180deg, rgba(6, 85, 255, 0.12), transparent 100%);
      color: var(--bone);
      border-left: 2px solid var(--blue);
      font-weight: 500;
      letter-spacing: -0.005em;
    }
    .cmp-row.head .c {
      padding: 28px 24px 22px;
      font-family: "IBM Plex Sans", sans-serif;
      font-size: 16px; font-weight: 500; letter-spacing: -0.015em;
      color: var(--bone);
    }
    .cmp-row.head .c.bn {
      background:
        radial-gradient(80% 100% at 100% 0%, rgba(122, 160, 255, 0.32), transparent 60%),
        linear-gradient(135deg, #0858FF 0%, #0540D6 100%);
      color: #fff;
      position: relative;
    }
    .cmp-row.head .c.bn::after {
      content: "RECOMMENDED";
      position: absolute; top: 10px; right: 14px;
      font-family: "IBM Plex Mono", monospace; font-size: 9px; letter-spacing: 0.1em;
      color: var(--signal);
    }
    .cmp-row.head .c.factor {
      font-family: "IBM Plex Mono", monospace;
      font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
      color: var(--muted-dark);
    }

    .cmp-mobile { display: none; }

    @media (max-width: 900px) {
      .cmp-table { display: none; }
      .cmp-mobile { display: block; }
      .cmp-card {
        background: var(--ink-2);
        border: 1px solid var(--line-dark);
        border-radius: var(--r-lg);
        padding: 24px;
        margin-bottom: 16px;
      }
      .cmp-card .factor {
        font-family: "IBM Plex Mono", monospace; font-size: 11px;
        letter-spacing: 0.06em; text-transform: uppercase;
        color: var(--muted-dark); margin-bottom: 16px;
      }
      .cmp-card .rows { display: flex; flex-direction: column; gap: 14px; }
      .cmp-card .row { padding: 14px; border-radius: 8px; background: rgba(255,255,255,0.02); border: 1px solid var(--line-dark); }
      .cmp-card .row .who { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.06em; color: var(--muted-dark); text-transform: uppercase; margin-bottom: 6px; }
      .cmp-card .row .what { font-size: 14px; line-height: 1.55; color: var(--bone); }
      .cmp-card .row.bn {
        background:
          radial-gradient(80% 100% at 100% 0%, rgba(122,160,255,0.22), transparent 60%),
          linear-gradient(135deg, #0858FF 0%, #0540D6 100%);
        border-color: rgba(255,255,255,0.18);
      }
      .cmp-card .row.bn .who { color: var(--signal); }
      .cmp-card .row.bn .what { color: #fff; font-weight: 500; }
      .compare-head { grid-template-columns: 1fr; }
    }

    /* ============================================================
       §11  FAQ
       ============================================================ */
    .faq { padding: 120px 0; background: var(--paper); }
    .faq-wrap { display: grid; grid-template-columns: 0.9fr 1.5fr; gap: 64px; align-items: start; }
    .faq-side h2 { margin-bottom: 18px; }
    .faq-side p { color: var(--muted); }
    .faq-side .schema-note {
      margin-top: 28px; padding: 18px;
      border: 1px dashed var(--line); border-radius: var(--r);
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px;
      color: var(--muted); letter-spacing: 0.04em; line-height: 1.55;
    }
    .faq-side .schema-note b { color: var(--ink); }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-q {
      width: 100%;
      display: grid; grid-template-columns: 44px 1fr 32px; gap: 16px;
      align-items: start;
      padding: 22px 0;
      text-align: left;
      cursor: pointer;
    }
    .faq-q .qi { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); padding-top: 5px; letter-spacing: 0.04em; }
    .faq-q .qt { font-size: 18px; font-weight: 500; letter-spacing: -0.012em; line-height: 1.35; text-wrap: balance; }
    .faq-q .ic { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: background .2s var(--t1); position: relative; align-self: start; margin-top: 2px; }
    .faq-q .ic::before, .faq-q .ic::after { content: ""; position: absolute; background: var(--ink); transition: transform .3s var(--t1); }
    .faq-q .ic::before { width: 10px; height: 1.5px; }
    .faq-q .ic::after { width: 1.5px; height: 10px; }
    .faq-item[aria-expanded="true"] .faq-q .ic { background: var(--ink); }
    .faq-item[aria-expanded="true"] .faq-q .ic::before,
    .faq-item[aria-expanded="true"] .faq-q .ic::after { background: var(--bone); }
    .faq-item[aria-expanded="true"] .faq-q .ic::after { transform: scaleY(0); }
    .faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--t1); }
    .faq-a > div { overflow: hidden; }
    .faq-item[aria-expanded="true"] .faq-a { grid-template-rows: 1fr; }
    .faq-a .inner { padding: 0 0 28px 60px; font-size: 15.5px; line-height: 1.65; color: var(--muted); max-width: 820px; }
    @media (max-width: 900px) {
      .faq-wrap { grid-template-columns: 1fr; gap: 32px; }
      .faq-a .inner { padding-left: 60px; padding-right: 20px; }
    }

    /* ============================================================
       §12  RELATED SERVICES
       8-card grid, bone background
       ============================================================ */
    .related { padding: 120px 0; background: var(--bone); }
    .related-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end; margin-bottom: 48px; }
    .related-head .lede { margin: 0; }
    .related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .rel-card {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 24px;
      display: flex; flex-direction: column; gap: 12px;
      transition: border-color .2s var(--t1), transform .25s var(--t1);
      position: relative;
    }
    .rel-card:hover { border-color: var(--ink); transform: translateY(-2px); }
    .rel-card .ix { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.06em; color: var(--muted); }
    .rel-card h3 { font-size: 17px; font-weight: 500; letter-spacing: -0.012em; line-height: 1.25; margin: 0; }
    .rel-card p { font-size: 13.5px; line-height: 1.55; color: var(--muted); margin: 0; flex: 1; }
    .rel-card .url { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--blue); letter-spacing: 0.02em; word-break: break-all; }
    .rel-card .arrow {
      margin-top: 8px;
      display: inline-flex; align-items: center; gap: 6px;
      font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: 0.04em;
      color: var(--ink);
    }
    .rel-card .arrow .arr { transition: transform .25s var(--t1); }
    .rel-card:hover .arrow .arr { transform: translateX(3px); }
    @media (max-width: 1080px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 560px) { .related-grid { grid-template-columns: 1fr; } .related-head { grid-template-columns: 1fr; } }

    /* ============================================================
       §13  FINAL CTA — atmospheric blue
       ============================================================ */
    .final-cta {
      position: relative; padding: 140px 0; text-align: center; color: #fff;
      background:
        radial-gradient(50% 70% at 50% 30%, rgba(122, 160, 255, 0.45), transparent 70%),
        radial-gradient(80% 60% at 100% 100%, rgba(2, 20, 90, 0.55), transparent 65%),
        radial-gradient(80% 60% at 0% 100%, rgba(2, 20, 90, 0.55), transparent 65%),
        linear-gradient(180deg, #0A5CFF 0%, #0633B5 70%, #021E78 100%);
      overflow: hidden;
    }
    .final-cta::before {
      content: ""; position: absolute; inset: -2px; pointer-events: none;
      background-image: radial-gradient(circle at center, rgba(255, 255, 255, 0.18) 1px, transparent 1.4px);
      background-size: 28px 28px;
      mask-image: radial-gradient(circle at 50% 50%, black, transparent 70%);
      -webkit-mask-image: radial-gradient(circle at 50% 50%, black, transparent 70%);
      opacity: 0.55;
    }
    .final-cta::after {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background: repeating-radial-gradient(circle at 50% 50%, transparent 0 80px, rgba(255, 255, 255, 0.045) 80px 81px);
      mask-image: radial-gradient(circle at 50% 50%, transparent 5%, black 25%, transparent 85%);
      -webkit-mask-image: radial-gradient(circle at 50% 50%, transparent 5%, black 25%, transparent 85%);
    }
    .final-cta .wrap { position: relative; z-index: 1; }
    .final-cta .lbl {
      display: inline-flex; align-items: center; gap: 10px;
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
      padding: 6px 14px; border: 1px solid rgba(255,255,255,0.3); border-radius: 999px;
      margin-bottom: 28px; color: rgba(255,255,255,0.92);
    }
    .final-cta .lbl .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); }
    .final-cta h2 {
      font-weight: 500;
      font-size: clamp(36px, 4.6vw, 60px);
      line-height: 1.02; letter-spacing: -0.03em;
      margin: 0 auto 22px;
      max-width: 22ch;
      color: #fff; text-wrap: balance;
    }
    .final-cta h2 em { font-family: "IBM Plex Serif", serif; font-style: italic; font-weight: 400; color: rgba(255, 255, 255, 0.85); }
    .final-cta .sub {
      font-size: clamp(16px, 1.25vw, 19px); line-height: 1.6;
      max-width: 700px; margin: 0 auto 36px;
      color: rgba(255, 255, 255, 0.85);
    }
    .final-cta .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
    .final-cta .secondary-row {
      margin-top: 48px; padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.18);
      display: flex; gap: 0 28px; justify-content: center; flex-wrap: wrap;
      font-family: "IBM Plex Mono", monospace; font-size: 12.5px; letter-spacing: 0.04em;
      color: rgba(255, 255, 255, 0.85);
    }
    .final-cta .secondary-row a {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 8px 4px;
      border-bottom: 1px solid transparent;
      transition: border-color .2s var(--t1);
      color: #fff;
    }
    .final-cta .secondary-row a:hover { border-color: rgba(255,255,255,0.85); }
    .final-cta .secondary-row .sep { opacity: 0.4; padding: 8px 0; }
    .final-cta .meet {
      display: inline-flex; align-items: center; gap: 14px;
      margin: 0 auto 32px;
      padding: 12px 18px 12px 12px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.22);
      border-radius: 999px;
      backdrop-filter: blur(8px);
    }
    .final-cta .meet .avatar {
      width: 40px; height: 40px; border-radius: 50%;
      background: url("assets/founder/mitesh-patel.jpeg") center 18% / cover;
      border: 1px solid rgba(255,255,255,0.3);
    }
    .final-cta .meet .who { text-align: left; font-family: "IBM Plex Sans", sans-serif; }
    .final-cta .meet .who .nm { font-size: 14px; font-weight: 500; color: #fff; }
    .final-cta .meet .who .ti { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; color: rgba(255,255,255,0.78); letter-spacing: 0.04em; }

    /* ============================================================
       FOOTER
       ============================================================ */
    .footer { background: var(--ink); color: var(--bone); padding: 80px 0 32px; }
    .footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 0.9fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid var(--line-dark); }
    .footer-brand img { height: 56px; width: auto; filter: brightness(0) invert(1); opacity: 0.95; }
    .footer-brand .desc { color: var(--muted-dark); font-size: 14px; line-height: 1.65; margin: 22px 0 0; max-width: 380px; }
    .footer-col h4 { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark); margin: 0 0 18px; font-weight: 500; }
    .footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
    .footer-col a { color: var(--bone); font-size: 14px; transition: color .15s var(--t1); }
    .footer-col a:hover { color: #7AA0FF; }
    .footer-stack { display: flex; flex-direction: column; gap: 28px; }
    .footer-bot {
      display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
      padding-top: 28px; gap: 16px;
      font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--muted-dark);
    }
    .footer-bot > :first-child { justify-self: start; }
    .footer-bot > :nth-child(2) { justify-self: center; }
    .footer-bot > :last-child { justify-self: end; }
    .footer-bot .legal { display: flex; gap: 24px; }
    .footer-bot a:hover { color: var(--bone); }
    .social-row { display: inline-flex; align-items: center; gap: 8px; }
    .social-row .social {
      width: 36px; height: 36px; display: inline-grid; place-items: center;
      border-radius: 999px; background: rgba(255,255,255,0.04);
      border: 1px solid var(--line-dark); color: var(--muted-dark);
      transition: background .2s var(--t1), border-color .2s var(--t1);
    }
    .social-row .social:hover { background: rgba(255,255,255,0.1); border-color: var(--bone); }
    .social-row .social img { width: 16px; height: 16px; display: block; filter: invert(1) brightness(1.2); opacity: 0.82; }
    .social-row .social:hover img { opacity: 1; }
    @media (max-width: 980px) {
      .footer-top { grid-template-columns: 1fr 1fr; }
      .footer-bot { grid-template-columns: 1fr; justify-items: start; gap: 18px; }
      .footer-bot > :first-child, .footer-bot > :nth-child(2), .footer-bot > :last-child { justify-self: start; }
    }
    @media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }

    /* ============================================================
       UTILITIES & MOTION
       ============================================================ */
    .fade-up { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--t1), transform .7s var(--t1); }
    .fade-up.in { opacity: 1; transform: translateY(0); }

    /* Sticky CTA — appears after hero */
    .sticky-cta {
      position: fixed; bottom: 20px; left: 50%;
      transform: translate(-50%, 80px);
      z-index: 60;
      display: inline-flex; align-items: center; gap: 12px;
      padding: 8px 8px 8px 18px;
      background: var(--ink); color: var(--bone);
      border-radius: 999px; font-size: 14px;
      box-shadow: 0 18px 40px -10px rgba(10, 10, 11, 0.4);
      transition: transform .35s var(--t1), opacity .25s var(--t1);
      opacity: 0; pointer-events: none;
    }
    .sticky-cta.show { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
    .sticky-cta .pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); animation: pulse-sig 2s infinite; }
    .sticky-cta a.cta-btn {
      background: var(--blue); color: #fff;
      padding: 8px 14px; border-radius: 999px;
      font-weight: 500; display: inline-flex; gap: 6px; align-items: center;
    }
    .sticky-cta a.cta-btn:hover { background: var(--blue-2); }
    @media (max-width: 540px) { .sticky-cta { font-size: 12.5px; padding: 6px 6px 6px 12px; } }