:root {
      --bg: #050706;
      --bg-soft: #080c0a;
      --panel: #0d1210;
      --panel-2: #111815;
      --text: #f4f7f5;
      --muted: #a1aba5;
      --muted-2: #6e7b74;
      --line: rgba(255,255,255,.10);
      --line-strong: rgba(255,255,255,.17);
      --momo: #76e985;
      --momo-bright: #a7ff83;
      --momo-deep: #1da966;
      --matter: #39bee4;
      --matter-bright: #72d8e8;
      --matter-deep: #168ed2;
      --radius: 22px;
      --shadow: 0 30px 90px rgba(0,0,0,.45);
      --head: "Poppins", sans-serif;
      --body: "Lato", sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 9% 10%, rgba(84,230,117,.085), transparent 29rem),
        radial-gradient(circle at 92% 8%, rgba(57,190,228,.10), transparent 34rem),
        var(--bg);
      font-family: var(--body);
      line-height: 1.62;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      opacity: .34;
      background-image:
        linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, #000, transparent 82%);
    }
    a { color: inherit; text-decoration: none; }
    [id] { scroll-margin-top: 92px; }
    button { font: inherit; }
    img, svg { display: block; max-width: 100%; }
    h1, h2, h3, h4, p { margin: 0; }
    h1, h2, h3, h4 { font-family: var(--head); }
    p { color: var(--muted); }
    .container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
    .section { padding: 108px 0; position: relative; }
    .section-tight { padding: 72px 0; }
    .section-soft { background: rgba(8,12,10,.74); border-block: 1px solid rgba(255,255,255,.055); }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      color: #cbd5cf;
      font-size: .76rem;
      font-weight: 900;
      letter-spacing: .16em;
      text-transform: uppercase;
    }
    .eyebrow::before {
      content: "";
      width: 28px;
      height: 1px;
      background: linear-gradient(90deg, var(--matter), var(--momo));
      box-shadow: 0 0 16px rgba(94,218,177,.42);
    }
    .section-head { max-width: 780px; margin-bottom: 54px; }
    .section-head.center { text-align: center; margin-inline: auto; }
    .section-head.center .eyebrow { justify-content: center; }
    .section-head h2 {
      font-size: clamp(2.15rem, 4.7vw, 4.15rem);
      line-height: 1.06;
      letter-spacing: -.052em;
    }
    .section-head p { margin-top: 21px; font-size: clamp(1.02rem, 1.5vw, 1.21rem); }
    .dual-gradient {
      background: linear-gradient(102deg, var(--matter-bright), #f4f7f5 47%, var(--momo-bright));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    /* Header */
    .site-header {
      position: fixed;
      inset: 0 0 auto;
      height: 78px;
      z-index: 1000;
      background: rgba(5,7,6,.72);
      border-bottom: 1px solid rgba(255,255,255,.065);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: background .2s ease, box-shadow .2s ease;
    }
    .site-header.scrolled { background: rgba(5,7,6,.92); box-shadow: 0 12px 40px rgba(0,0,0,.26); }
    .nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
    .brand-logo-wrap { position: relative; width: 147px; height: 29px; display: inline-flex; align-items: center; }
    .brand-logo-wrap img { position: absolute; inset: 0 auto auto 0; width: 147px; height: auto; }
    .brand-wordmark { color: #fff; font: 600 1.25rem/1 var(--head); letter-spacing: .17em; white-space: nowrap; }
    .primary-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; color: #c1cbc5; font-size: .89rem; font-weight: 700; }
    .primary-nav > a, .product-menu > button { transition: color .18s ease; }
    .primary-nav > a:hover, .product-menu > button:hover { color: #fff; }
    .nav-actions { display: flex; align-items: center; gap: 15px; }
    .login-link { color: #b8c2bc; font-size: .86rem; font-weight: 700; white-space: nowrap; }
    .login-link:hover { color: #fff; }
    .nav-cta {
      min-height: 42px;
      padding: 0 17px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 10px;
      background: rgba(255,255,255,.035);
      color: #f5f8f6;
      font-family: var(--head);
      font-size: .79rem;
      font-weight: 700;
      white-space: nowrap;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .nav-cta:hover { transform: translateY(-1px); border-color: rgba(121,232,177,.42); background: rgba(255,255,255,.06); }

    .product-menu { position: relative; }
    .product-menu > button {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 0;
      border: 0;
      background: transparent;
      color: #c1cbc5;
      font-weight: 700;
      cursor: pointer;
    }
    .product-menu > button svg { width: 13px; transition: transform .2s ease; }
    .product-menu.open > button svg { transform: rotate(180deg); }
    .product-dropdown {
      position: absolute;
      top: calc(100% + 22px);
      left: 50%;
      width: 390px;
      padding: 12px;
      border: 1px solid var(--line-strong);
      border-radius: 17px;
      background: rgba(9,13,11,.98);
      box-shadow: 0 28px 75px rgba(0,0,0,.48);
      transform: translate(-50%, 10px);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    }
    .product-menu.open .product-dropdown,
    .product-menu:focus-within .product-dropdown {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translate(-50%, 0);
    }
    .product-option {
      display: grid;
      grid-template-columns: 45px 1fr 18px;
      gap: 13px;
      align-items: center;
      padding: 14px;
      border-radius: 12px;
      transition: background .18s ease;
    }
    .product-option:hover { background: rgba(255,255,255,.045); }
    .product-icon {
      width: 43px;
      height: 43px;
      display: grid;
      place-items: center;
      border-radius: 11px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.025);
    }
    .product-icon svg { width: 23px; height: 23px; }
    .product-option.momo .product-icon { color: var(--momo); border-color: rgba(118,233,133,.24); background: rgba(118,233,133,.06); }
    .product-option.matter .product-icon { color: var(--matter); border-color: rgba(57,190,228,.24); background: rgba(57,190,228,.06); }
    .product-option strong { display: block; color: #f5f8f6; font: 700 .91rem var(--head); }
    .product-option small { display: block; margin-top: 3px; color: var(--muted-2); font-size: .72rem; line-height: 1.4; }
    .product-option .go { color: #7d8b83; font-size: 1.05rem; }
    .dropdown-foot { margin: 5px 8px 2px; padding: 10px 7px 1px; border-top: 1px solid var(--line); color: #8e9a93; font-size: .69rem; }
    .dropdown-foot a { color: #d5ded9; font-weight: 800; }
    .mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: rgba(255,255,255,.03);
      color: #fff;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }
    .mobile-toggle svg { width: 20px; }

    /* Hero */
    .hero {
      min-height: 870px;
      padding: 160px 0 90px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: 78px 0 auto;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(57,190,228,.26), rgba(118,233,133,.26), transparent);
    }
    .hero::after {
      content: "";
      position: absolute;
      width: 860px;
      height: 860px;
      right: -430px;
      top: 45px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(57,190,228,.10), transparent 66%);
      filter: blur(9px);
      pointer-events: none;
    }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(460px, .98fr); gap: 64px; align-items: center; }
    .hero-copy h1 {
      max-width: 780px;
      font-size: clamp(3.4rem, 6.3vw, 6.25rem);
      line-height: .98;
      letter-spacing: -.064em;
    }
    .hero-copy .lead { max-width: 710px; margin-top: 28px; color: #b3bdb7; font-size: clamp(1.12rem, 1.7vw, 1.34rem); line-height: 1.67; }
    .hero-copy .support { max-width: 670px; margin-top: 16px; color: #7f8c84; font-size: .94rem; }
    .actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
    .btn {
      min-height: 54px;
      padding: 0 23px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-radius: 11px;
      border: 1px solid var(--line-strong);
      font: 700 .89rem var(--head);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn svg { width: 17px; }
    .btn-momo {
      color: #061008;
      border-color: transparent;
      background: linear-gradient(110deg, #48c97a, #9af481);
      box-shadow: 0 16px 42px rgba(76,211,119,.19), inset 0 1px 0 rgba(255,255,255,.4);
    }
    .btn-momo:hover { box-shadow: 0 19px 50px rgba(76,211,119,.29); }
    .btn-matter {
      color: #f4fbff;
      border-color: rgba(57,190,228,.38);
      background: rgba(57,190,228,.07);
      box-shadow: inset 0 0 24px rgba(57,190,228,.03);
    }
    .btn-matter:hover { border-color: rgba(57,190,228,.66); background: rgba(57,190,228,.105); }
    .hero-note { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 31px; color: #77847c; font-size: .75rem; font-weight: 800; letter-spacing: .03em; }
    .hero-note span { display: inline-flex; align-items: center; gap: 8px; }
    .hero-note i { width: 6px; height: 6px; border-radius: 50%; background: linear-gradient(135deg, var(--matter), var(--momo)); box-shadow: 0 0 10px rgba(88,219,172,.5); }


    .signal-canvas {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      display: block;
    }
    .hero-signal-canvas {
      z-index: 0;
      opacity: .34;
      mix-blend-mode: screen;
      filter: saturate(112%);
    }
    .hero-signal-mask {
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background:
        radial-gradient(circle at 14% 26%, rgba(2,5,4,.84), rgba(2,5,4,.44) 28%, transparent 56%),
        linear-gradient(90deg, rgba(4,8,6,.84) 0%, rgba(4,8,6,.74) 19%, rgba(4,8,6,.50) 34%, rgba(4,8,6,.18) 52%, rgba(4,8,6,.08) 68%, rgba(4,8,6,.24) 100%);
    }
    .hero-grid {
      position: relative;
      z-index: 2;
    }
    .horizon-board {
      isolation: isolate;
    }
    .board-signal-canvas {
      z-index: 0;
      opacity: .72;
      mix-blend-mode: screen;
    }
    .horizon-board .board-head,
    .horizon-board .axis,
    .horizon-board .signal-card,
    .horizon-board .board-caption {
      z-index: 1;
    }

    .horizon-board {
      position: relative;
      min-height: 635px;
      padding: 22px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 26px;
      background:
        radial-gradient(circle at 16% 16%, rgba(57,190,228,.09), transparent 18rem),
        radial-gradient(circle at 88% 84%, rgba(118,233,133,.08), transparent 18rem),
        linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.018));
      box-shadow: var(--shadow), 0 0 80px rgba(56,190,179,.035);
    }
    .horizon-board::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size: 36px 36px;
      mask-image: linear-gradient(to bottom, black, transparent 84%);
      pointer-events: none;
    }
    .board-head { position: relative; display: flex; justify-content: space-between; gap: 20px; color: #78867e; font-size: .63rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
    .board-head b { color: #cbd5cf; }
    .axis { position: relative; margin: 30px 6px 0; }
    .axis-labels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; color: #67746d; font-size: .57rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
    .axis-labels span:last-child { text-align: right; }
    .axis-track { position: relative; height: 4px; margin-top: 12px; border-radius: 999px; background: #253029; }
    .axis-track::before { content: ""; position: absolute; inset: 0 42% 0 0; border-radius: inherit; background: linear-gradient(90deg, var(--matter-deep), var(--matter-bright)); box-shadow: 0 0 17px rgba(57,190,228,.24); }
    .axis-track::after { content: ""; position: absolute; inset: 0 0 0 48%; border-radius: inherit; background: linear-gradient(90deg, var(--matter-bright), var(--momo)); box-shadow: 0 0 17px rgba(118,233,133,.2); }
    .axis-nodes { position: absolute; inset: -3px 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); }
    .axis-nodes i { width: 10px; height: 10px; border: 2px solid #0d1310; border-radius: 50%; background: #718079; }
    .axis-nodes i:nth-child(1), .axis-nodes i:nth-child(2) { background: var(--matter); }
    .axis-nodes i:nth-child(3) { background: #75ddd0; }
    .axis-nodes i:nth-child(4) { justify-self: end; background: var(--momo); }

    .signal-card {
      position: absolute;
      width: min(360px, calc(100% - 76px));
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(10,15,12,.91);
      box-shadow: 0 22px 56px rgba(0,0,0,.34);
      backdrop-filter: blur(12px);
    }
    .matter-card { left: 34px; top: 132px; border-color: rgba(57,190,228,.26); }
    .momo-card { right: 29px; bottom: 78px; border-color: rgba(118,233,133,.25); }
    .signal-head { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
    .signal-brand { display: flex; align-items: center; gap: 11px; }
    .signal-logo { width: 37px; height: 37px; display: grid; place-items: center; border-radius: 10px; }
    .matter-card .signal-logo { color: var(--matter); background: rgba(57,190,228,.07); border: 1px solid rgba(57,190,228,.2); }
    .momo-card .signal-logo { color: var(--momo); background: rgba(118,233,133,.065); border: 1px solid rgba(118,233,133,.2); }
    .signal-logo svg { width: 21px; }
    .signal-brand strong { display: block; color: #fff; font: 700 .8rem var(--head); letter-spacing: .08em; }
    .signal-brand small { display: block; color: #68766e; font-size: .62rem; text-transform: uppercase; letter-spacing: .08em; }
    .signal-state { padding: 5px 8px; border-radius: 999px; font-size: .57rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
    .matter-card .signal-state { color: #8ce3f3; border: 1px solid rgba(57,190,228,.2); background: rgba(57,190,228,.06); }
    .momo-card .signal-state { color: #9ff4aa; border: 1px solid rgba(118,233,133,.2); background: rgba(118,233,133,.06); }
    .signal-card h3 { margin-top: 16px; font-size: 1.08rem; letter-spacing: -.02em; }
    .signal-card > p { margin-top: 6px; font-size: .75rem; line-height: 1.48; }
    .evidence-mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }
    .evidence-mini div { padding: 10px; border: 1px solid rgba(255,255,255,.07); border-radius: 9px; background: rgba(255,255,255,.02); }
    .evidence-mini small { display: block; color: #647168; font-size: .52rem; letter-spacing: .05em; text-transform: uppercase; }
    .evidence-mini b { display: block; margin-top: 3px; color: #e6eeea; font: 700 .72rem var(--head); }
    .tape { display: grid; gap: 7px; margin-top: 15px; }
    .tape-row { display: grid; grid-template-columns: 40px 1fr 46px; gap: 9px; align-items: center; font-size: .64rem; }
    .tape-row strong { color: #dce6e0; font-family: var(--head); }
    .spark { height: 4px; border-radius: 999px; background: #263129; overflow: hidden; }
    .spark i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--momo-deep), var(--momo-bright)); }
    .tape-row span:last-child { color: var(--momo); text-align: right; font-weight: 900; }
    .board-caption { position: absolute; left: 34px; right: 34px; bottom: 22px; max-width: none; color: #66736c; font-size: .64rem; line-height: 1.45; }

    /* Modern company-news rail: a CSS-driven replacement for the legacy marquee. */
    .news-rail {
      position: relative;
      z-index: 2;
      border-block: 1px solid rgba(255,255,255,.075);
      background: linear-gradient(90deg, rgba(7,11,9,.98), rgba(8,13,10,.93));
      overflow: hidden;
    }
    .news-shell {
      min-height: 62px;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: stretch;
    }
    .news-label {
      position: relative;
      z-index: 3;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding-right: 24px;
      border-right: 1px solid rgba(255,255,255,.075);
      color: #e8efeb;
      background: rgba(7,11,9,.96);
      font: 700 .66rem var(--head);
      letter-spacing: .12em;
      text-transform: uppercase;
      white-space: nowrap;
    }
    .news-label::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--matter), var(--momo));
      box-shadow: 0 0 14px rgba(91,220,177,.72);
      animation: newsPulse 2.2s ease-in-out infinite;
    }
    .news-viewport {
      position: relative;
      min-width: 0;
      overflow: hidden;
      mask-image: linear-gradient(90deg, transparent, #000 28px, #000 calc(100% - 28px), transparent);
      -webkit-mask-image: linear-gradient(90deg, transparent, #000 28px, #000 calc(100% - 28px), transparent);
    }
    .news-track {
      width: max-content;
      min-height: 62px;
      display: flex;
      align-items: center;
      will-change: transform;
      animation: newsTicker 82s linear infinite;
    }
    .news-rail:hover .news-track,
    .news-rail:focus-within .news-track { animation-play-state: paused; }
    .news-group {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      padding-right: 34px;
    }
    .news-item {
      min-height: 62px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 0 22px;
      color: #aab5ae;
      font-size: .78rem;
      white-space: nowrap;
      transition: color .18s ease, background .18s ease;
    }
    .news-item::after {
      content: "";
      width: 4px;
      height: 4px;
      margin-left: 12px;
      border-radius: 50%;
      background: #425048;
    }
    .news-item:hover { color: #f3f7f5; background: rgba(255,255,255,.025); }
    .news-tag {
      display: inline-flex;
      align-items: center;
      min-height: 22px;
      padding: 0 8px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 999px;
      color: #cbd5cf;
      background: rgba(255,255,255,.025);
      font: 800 .56rem var(--head);
      letter-spacing: .08em;
      text-transform: uppercase;
    }
    .news-tag.new,
    .news-tag.matterhorn { color: #9de7f4; border-color: rgba(57,190,228,.25); background: rgba(57,190,228,.065); }
    .news-tag.momo { color: #adf4b5; border-color: rgba(118,233,133,.23); background: rgba(118,233,133,.055); }
    .news-item svg { width: 14px; height: 14px; color: #6d7b73; }
    @keyframes newsTicker { to { transform: translateX(-50%); } }
    @keyframes newsPulse { 50% { opacity: .42; transform: scale(.78); } }

    /* Product cards */
    .product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .product-panel {
      min-height: 720px;
      padding: 34px;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      position: relative;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.016));
      box-shadow: 0 22px 70px rgba(0,0,0,.2);
    }
    .product-panel::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; right: -110px; top: -100px; filter: blur(20px); opacity: .9; }
    .product-panel.momo::after { background: rgba(118,233,133,.075); }
    .product-panel.matter::after { background: rgba(57,190,228,.085); }
    .product-kicker { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #89958e; font-size: .65rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
    .product-kicker span:first-child { display: inline-flex; align-items: center; gap: 9px; }
    .product-kicker i { width: 8px; height: 8px; border-radius: 50%; }
    .product-panel.momo .product-kicker i { background: var(--momo); box-shadow: 0 0 13px rgba(118,233,133,.55); }
    .product-panel.matter .product-kicker i { background: var(--matter); box-shadow: 0 0 13px rgba(57,190,228,.55); }
    .product-name { position: relative; margin-top: 19px; font-size: clamp(2rem, 3.5vw, 3.2rem); letter-spacing: -.045em; }
    .product-tagline { position: relative; margin-top: 5px; color: #c7d0cb; font: 600 1rem var(--head); }
    .product-visual { position: relative; height: 260px; margin: 28px 0; border: 1px solid rgba(255,255,255,.09); border-radius: 17px; overflow: hidden; background: #080c0a; }
    .momo-ui { background: radial-gradient(circle at 82% 8%, rgba(118,233,133,.09), transparent 14rem), #070b09; }
    .momo-engine {
      position: relative;
      z-index: 1;
      height: 100%;
      padding: 16px 17px 42px;
      overflow: hidden;
      background:
        radial-gradient(circle at 50% 50%, rgba(118,233,133,.065), transparent 9rem),
        linear-gradient(180deg, rgba(255,255,255,.012), transparent);
    }
    .momo-engine::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: .42;
      background-image:
        linear-gradient(rgba(118,233,133,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(118,233,133,.03) 1px, transparent 1px);
      background-size: 24px 24px;
      mask-image: radial-gradient(circle at center, black, transparent 78%);
    }
    .momo-engine-head {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      color: #6f7d75;
      font-size: .55rem;
      font-weight: 900;
      letter-spacing: .1em;
      text-transform: uppercase;
    }
    .momo-engine-head b {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--momo);
      font-size: .54rem;
    }
    .momo-engine-head b i {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--momo);
      box-shadow: 0 0 12px rgba(118,233,133,.72);
    }
    .momo-engine-flow {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0,1fr) 104px minmax(0,1fr);
      gap: 12px;
      align-items: center;
      margin-top: 14px;
    }
    .momo-engine-stack { display: grid; gap: 7px; }
    .momo-engine-node {
      min-width: 0;
      min-height: 31px;
      padding: 6px 8px;
      display: grid;
      grid-template-columns: 8px 1fr auto;
      gap: 7px;
      align-items: center;
      border: 1px solid rgba(255,255,255,.065);
      border-radius: 8px;
      background: rgba(255,255,255,.022);
    }
    .momo-engine-node > i {
      width: 6px;
      height: 6px;
      border-radius: 2px;
      background: #5b6a61;
      box-shadow: 0 0 8px rgba(118,233,133,.12);
    }
    .momo-engine-output .momo-engine-node > i {
      border-radius: 50%;
      background: var(--momo);
      box-shadow: 0 0 9px rgba(118,233,133,.38);
    }
    .momo-engine-node strong {
      min-width: 0;
      overflow: hidden;
      color: #d8e2dc;
      font: 700 .58rem var(--head);
      letter-spacing: .015em;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .momo-engine-node small {
      color: #65736a;
      font-size: .48rem;
      font-weight: 800;
      letter-spacing: .045em;
      text-transform: uppercase;
      white-space: nowrap;
    }
    .momo-engine-output .momo-engine-node small { color: #8fdc99; }
    .momo-engine-core {
      position: relative;
      width: 104px;
      height: 104px;
      display: grid;
      place-items: center;
      justify-self: center;
      border: 1px solid rgba(118,233,133,.20);
      border-radius: 50%;
      background:
        radial-gradient(circle, rgba(118,233,133,.105) 0 9%, rgba(118,233,133,.025) 10% 34%, transparent 35%),
        rgba(6,12,8,.74);
      box-shadow: inset 0 0 34px rgba(118,233,133,.035), 0 0 28px rgba(63,190,104,.035);
    }
    .momo-engine-core::before,
    .momo-engine-core::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      border: 1px solid rgba(118,233,133,.10);
    }
    .momo-engine-core::before { inset: 12px; }
    .momo-engine-core::after { inset: 27px; border-color: rgba(118,233,133,.16); }
    .momo-engine-core svg {
      position: absolute;
      inset: 9px;
      width: calc(100% - 18px);
      height: calc(100% - 18px);
      color: rgba(118,233,133,.52);
    }
    .momo-engine-core-label {
      position: relative;
      z-index: 1;
      text-align: center;
    }
    .momo-engine-core-label strong {
      display: block;
      color: #e8f3eb;
      font: 800 .67rem var(--head);
      letter-spacing: .11em;
    }
    .momo-engine-core-label small {
      display: block;
      margin-top: 3px;
      color: var(--momo);
      font-size: .48rem;
      font-weight: 900;
      letter-spacing: .07em;
      text-transform: uppercase;
    }
    .momo-engine-steps {
      position: absolute;
      z-index: 1;
      left: 17px;
      right: 17px;
      bottom: 46px;
      display: grid;
      grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
      gap: 7px;
      align-items: center;
      color: #77847c;
      font-size: .49rem;
      font-weight: 900;
      letter-spacing: .08em;
      text-transform: uppercase;
    }
    .momo-engine-steps i {
      height: 1px;
      background: linear-gradient(90deg, rgba(118,233,133,.13), rgba(118,233,133,.52), rgba(118,233,133,.13));
    }
    .product-visual::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 48%, rgba(5,7,6,.82)); }
    .visual-badge { position: absolute; z-index: 2; left: 15px; bottom: 14px; padding: 7px 10px; border-radius: 8px; color: #dfe8e3; background: rgba(5,8,6,.82); border: 1px solid rgba(255,255,255,.12); font-size: .63rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; backdrop-filter: blur(8px); }
    .research-ui { height: 100%; padding: 19px; background: radial-gradient(circle at 84% 12%, rgba(57,190,228,.11), transparent 17rem), #090e12; }
    .research-top { display: flex; align-items: center; justify-content: space-between; color: #687783; font-size: .57rem; letter-spacing: .09em; text-transform: uppercase; }
    .research-title { margin-top: 18px; display: flex; justify-content: space-between; gap: 18px; }
    .research-title strong { font: 700 1rem var(--head); }
    .research-score { min-width: 54px; padding: 8px; border: 1px solid rgba(57,190,228,.25); border-radius: 10px; color: var(--matter-bright); text-align: center; font: 800 1.15rem var(--head); background: rgba(57,190,228,.05); }
    .research-bars { display: grid; gap: 10px; margin-top: 19px; }
    .research-row { display: grid; grid-template-columns: 96px 1fr 25px; gap: 8px; align-items: center; color: #99a8b2; font-size: .59rem; }
    .research-row .bar { height: 5px; border-radius: 999px; background: #202b32; overflow: hidden; }
    .research-row .bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #176fa8, var(--matter-bright)); }
    .research-row b { color: #cedce4; text-align: right; }
    .research-foot { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 18px; }
    .research-foot div { padding: 8px; border: 1px solid rgba(255,255,255,.07); border-radius: 8px; color: #7f8e98; font-size: .5rem; }
    .research-foot strong { display: block; margin-top: 2px; color: #dbe7ed; font-size: .62rem; }
    .product-copy { position: relative; font-size: 1rem; line-height: 1.68; }
    .feature-points { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px 15px; margin-top: 24px; }
    .feature-points span { display: grid; grid-template-columns: 18px 1fr; gap: 8px; color: #c5cec9; font-size: .77rem; }
    .feature-points i { width: 17px; height: 17px; display: grid; place-items: center; border-radius: 5px; font-size: .6rem; font-style: normal; font-weight: 900; }
    .momo .feature-points i { color: #061108; background: var(--momo); }
    .matter .feature-points i { color: #061017; background: var(--matter); }
    .product-audience { position: relative; margin-top: 25px; padding-top: 19px; border-top: 1px solid var(--line); color: #76827b; font-size: .73rem; }
    .product-audience strong { color: #dbe3de; }
    .product-actions { position: relative; display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; padding-top: 28px; }
    .product-actions .btn { min-height: 48px; font-size: .8rem; }
    .btn-neutral { color: #f2f6f4; background: rgba(255,255,255,.035); }
    .btn-neutral:hover { border-color: rgba(255,255,255,.34); background: rgba(255,255,255,.06); }

    /* Continuum */
    .continuum-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; align-items: center; }
    .continuum-copy h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); line-height: 1.08; letter-spacing: -.05em; }
    .continuum-copy p { margin-top: 20px; font-size: 1.08rem; }
    .continuum-note { margin-top: 24px; padding: 16px 18px; border-left: 2px solid; border-image: linear-gradient(var(--matter), var(--momo)) 1; background: rgba(255,255,255,.018); color: #d9e1dc; font: 600 .88rem var(--head); }
    .workflow { position: relative; display: grid; gap: 11px; }
    .workflow-step {
      position: relative;
      display: grid;
      grid-template-columns: 49px 1fr auto;
      gap: 15px;
      align-items: center;
      padding: 17px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255,255,255,.02);
    }
    .workflow-step:not(:last-child)::after { content: ""; position: absolute; left: 40px; bottom: -12px; width: 1px; height: 12px; background: linear-gradient(var(--matter), var(--momo)); }
    .workflow-num { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 11px; color: #07100d; font: 800 .74rem var(--head); }
    .workflow-step:nth-child(1) .workflow-num, .workflow-step:nth-child(2) .workflow-num { background: var(--matter); }
    .workflow-step:nth-child(3) .workflow-num { background: #6fd8c9; }
    .workflow-step:nth-child(4) .workflow-num { background: var(--momo); }
    .workflow-step h3 { font-size: .94rem; }
    .workflow-step p { margin-top: 3px; font-size: .73rem; }
    .workflow-tag { padding: 5px 8px; border-radius: 999px; color: #9ba8a0; border: 1px solid var(--line); font-size: .55rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; white-space: nowrap; }

    /* Principles */
    .principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .principle-card { min-height: 245px; padding: 27px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, rgba(255,255,255,.042), rgba(255,255,255,.014)); }
    .principle-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 11px; color: #b7eadd; border: 1px solid rgba(112,216,210,.18); background: rgba(112,216,210,.045); }
    .principle-icon svg { width: 21px; }
    .principle-card h3 { margin-top: 22px; font-size: 1.02rem; }
    .principle-card p { margin-top: 11px; font-size: .88rem; }
    .principle-statement { margin-top: 28px; padding: 31px 34px; display: grid; grid-template-columns: 190px 1fr; gap: 30px; align-items: center; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.018); }
    .principle-statement span { color: #85dcca; font: 800 .7rem var(--head); letter-spacing: .12em; text-transform: uppercase; }
    .principle-statement strong { color: #eef4f0; font: 600 clamp(1.14rem, 2vw, 1.55rem)/1.45 var(--head); }

    /* Audience / company */
    .audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .audience-card { padding: 28px; min-height: 215px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.02); }
    .audience-card small { color: #748178; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .audience-card h3 { margin-top: 16px; font-size: 1.05rem; }
    .audience-card p { margin-top: 10px; font-size: .87rem; }
    .company-cta {
      padding: 54px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 42px;
      align-items: center;
      border: 1px solid var(--line-strong);
      border-radius: 24px;
      background:
        radial-gradient(circle at 12% 0%, rgba(57,190,228,.09), transparent 22rem),
        radial-gradient(circle at 90% 100%, rgba(118,233,133,.08), transparent 22rem),
        linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
      box-shadow: 0 25px 80px rgba(0,0,0,.22);
    }
    .company-cta h2 { font-size: clamp(2rem, 4vw, 3.55rem); line-height: 1.08; letter-spacing: -.048em; }
    .company-cta p { max-width: 720px; margin-top: 17px; font-size: 1.03rem; }
    .company-actions { display: grid; gap: 11px; min-width: 185px; }
    .company-actions .btn { min-height: 48px; }

    /* Footer */
    footer { padding: 58px 0 31px; border-top: 1px solid var(--line); background: #060a08; }
    .footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 42px; }
    .footer-logo-wrap { width: 143px; height: 28px; }
    .footer-logo-wrap img { width: 143px; }
    .footer-brand p { max-width: 400px; margin-top: 18px; font-size: .82rem; }
    .footer-col h4 { margin-bottom: 15px; color: #e6ede9; font-size: .79rem; letter-spacing: .04em; }
    .footer-col a { display: block; margin: 8px 0; color: #8d9992; font-size: .81rem; }
    .footer-col a:hover { color: #e4ece7; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); color: #647068; font-size: .7rem; }
    .footer-bottom span:last-child { max-width: 660px; text-align: right; }

    .reveal { opacity: 0; transform: translateY(18px); transition: opacity .72s ease, transform .72s ease; }
    .reveal.visible { opacity: 1; transform: none; }

    @media (hover: hover) and (min-width: 941px) {
      .product-menu:hover .product-dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
      .product-menu:hover > button svg { transform: rotate(180deg); }
    }

    @media (max-width: 1080px) {
      .hero-grid, .continuum-grid { grid-template-columns: 1fr; }
      .hero { min-height: auto; }
      .hero-signal-mask { background: linear-gradient(180deg, rgba(4,8,6,.78), rgba(4,8,6,.34) 42%, rgba(4,8,6,.12) 100%); }
      .hero-copy { max-width: 880px; }
      .horizon-board { max-width: 720px; width: 100%; margin-inline: auto; }
      .principle-grid { grid-template-columns: repeat(2, 1fr); }
      .primary-nav { gap: 18px; }
      .nav-actions .nav-cta { display: none; }
    }

    @media (max-width: 940px) {
      .site-header { height: 70px; }
      .brand-logo-wrap { width: 132px; }
      .brand-logo-wrap img { width: 132px; }
      .brand-wordmark { font-size: 1.1rem; }
      .mobile-toggle { display: inline-flex; }
      .nav-actions { margin-left: auto; }
      .nav-actions .login-link { display: none; }
      .primary-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 20px;
        right: 20px;
        padding: 14px;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        border: 1px solid var(--line-strong);
        border-radius: 16px;
        background: rgba(8,12,10,.985);
        box-shadow: var(--shadow);
      }
      .primary-nav.open { display: flex; }
      .primary-nav > a, .product-menu > button { width: 100%; padding: 12px 10px; text-align: left; justify-content: space-between; }
      .product-dropdown {
        position: static;
        width: 100%;
        margin: 0 0 6px;
        padding: 6px;
        transform: none;
        display: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        box-shadow: none;
        border-color: rgba(255,255,255,.08);
        background: rgba(255,255,255,.018);
      }
      .product-menu.open .product-dropdown { display: block; transform: none; }
      .product-menu:focus-within .product-dropdown { transform: none; }
      .hero { padding-top: 124px; }
      .product-grid { grid-template-columns: 1fr; }
      .product-panel { min-height: 0; }
      .audience-grid { grid-template-columns: 1fr; }
      .company-cta { grid-template-columns: 1fr; padding: 39px; }
      .company-actions { display: flex; flex-wrap: wrap; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-brand { grid-column: 1 / -1; }
    }

    @media (max-width: 620px) {
      .container { width: min(100% - 28px, 1180px); }
      .section { padding: 78px 0; }
      .section-tight { padding: 55px 0; }
      .hero { padding-top: 112px; padding-bottom: 65px; }
      .hero-copy h1 { font-size: clamp(3rem, 15vw, 4.65rem); }
      .actions { align-items: stretch; }
      .actions .btn { width: 100%; }
      .hero-note { display: grid; grid-template-columns: 1fr 1fr; }
      .horizon-board { min-height: 620px; padding: 17px; }
      .axis-labels { grid-template-columns: 1fr 1fr; row-gap: 8px; }
      .axis-labels span:nth-child(3), .axis-labels span:nth-child(4) { display: none; }
      .signal-card { width: calc(100% - 34px); left: 17px; right: auto; }
      .matter-card { top: 127px; }
      .momo-card { bottom: 25px; }
      .evidence-mini { grid-template-columns: 1fr 1fr 1fr; }
      .board-caption { display: none; }
      .news-shell { width: 100%; grid-template-columns: 1fr; }
      .news-label { min-height: 40px; padding: 0 14px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.065); }
      .news-track, .news-item { min-height: 53px; }
      .news-item { padding-inline: 16px; font-size: .73rem; }
      .strip-items { justify-content: flex-start; }
      .product-panel { padding: 24px; }
      .product-visual { height: 230px; }
      .momo-engine { padding: 14px 12px 40px; }
      .momo-engine-flow { grid-template-columns: minmax(0,1fr) 78px minmax(0,1fr); gap: 7px; margin-top: 12px; }
      .momo-engine-core { width: 78px; height: 78px; }
      .momo-engine-core svg { inset: 7px; width: calc(100% - 14px); height: calc(100% - 14px); }
      .momo-engine-core::before { inset: 9px; }
      .momo-engine-core::after { inset: 20px; }
      .momo-engine-node { min-height: 28px; padding: 5px 6px; grid-template-columns: 6px 1fr; gap: 5px; }
      .momo-engine-node small { display: none; }
      .momo-engine-node strong { font-size: .53rem; }
      .momo-engine-steps { left: 12px; right: 12px; bottom: 43px; gap: 5px; font-size: .45rem; }
      .feature-points { grid-template-columns: 1fr; }
      .workflow-step { grid-template-columns: 44px 1fr; }
      .workflow-tag { grid-column: 2; justify-self: start; }
      .principle-grid { grid-template-columns: 1fr; }
      .principle-statement { grid-template-columns: 1fr; padding: 26px; }
      .company-cta { padding: 29px 24px; }
      .company-actions { display: grid; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-brand { grid-column: auto; }
      .footer-bottom { flex-direction: column; }
      .footer-bottom span:last-child { text-align: left; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
      .reveal { opacity: 1; transform: none; }
      .news-viewport { overflow-x: auto; mask-image: none; -webkit-mask-image: none; }
      .hero-signal-canvas { opacity: .16 !important; }
      .board-signal-canvas { opacity: .34 !important; }
      .news-track { animation: none !important; }
      .news-group[aria-hidden="true"] { display: none; }
    }

/* Index login choices reuse the established product icons and dropdown palette. */
.login-menu { position: relative; }
.login-button { display: inline-flex; align-items: center; gap: 7px; padding: 8px 0; border: 0; background: transparent; color: #b8c2bc; font: 700 .86rem var(--body); white-space: nowrap; cursor: pointer; }
.login-button:hover, .login-button:focus-visible { color: #fff; }
.login-button svg { width: 13px; transition: transform .2s ease; }
.login-menu.open .login-button svg { transform: rotate(180deg); }
.login-dropdown { display: none; position: absolute; top: calc(100% + 14px); right: 0; width: 235px; padding: 10px; border: 1px solid var(--line-strong); border-radius: 17px; background: rgba(9,13,11,.98); box-shadow: 0 28px 75px rgba(0,0,0,.48); }
.login-menu.open .login-dropdown { display: block; }
.login-option { display: flex; align-items: center; gap: 13px; padding: 12px; border-radius: 12px; }
.login-option:hover, .login-option:focus-visible { background: rgba(255,255,255,.045); }
.login-option strong { color: #f5f8f6; font: 700 .91rem var(--head); }
.login-option.momo .product-icon { color: var(--momo); border-color: rgba(118,233,133,.24); background: rgba(118,233,133,.06); }
.login-option.matter .product-icon { color: var(--matter); border-color: rgba(57,190,228,.24); background: rgba(57,190,228,.06); }
@media (max-width: 940px) { .login-dropdown { position: fixed; top: 70px; right: 20px; max-width: calc(100vw - 40px); } }