:root {
      --ink: #070a3f;
      --blue: #174eb8;
      --cyan: #23bfee;
      --muted: #626985;
      --page: #f5f6f8;
      --paper: #ffffff;
      --line: #dce3ed;
      --green: #1c9b67;
      --amber: #e4942f;
      --red: #d94462;
      --shadow: 0 28px 70px rgba(12, 35, 90, .12);
      --type-display: clamp(48px, 6vw, 82px);
      --type-section: clamp(42px, 5.3vw, 72px);
      --type-feature: clamp(28px, 3vw, 38px);
      --type-card: 24px;
      --type-lead: clamp(19px, 2vw, 25px);
      --type-body: 18px;
      --type-label: 13px;
      --header-height: 68px;
      --section-space: clamp(96px, 12vh, 132px);
      font-family: Arial, Helvetica, sans-serif;
      color-scheme: light;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-snap-type: y mandatory; }
    body {
      margin: 0;
      min-width: 320px;
      overflow-x: hidden;
      background: var(--page);
      color: var(--ink);
      font-family: Arial, Helvetica, sans-serif;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(7, 10, 63, .022) 1px, transparent 1px), linear-gradient(90deg, rgba(7, 10, 63, .022) 1px, transparent 1px);
      background-size: 80px 80px;
      mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
    }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    img { max-width: 100%; }

    .header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(245, 246, 248, .88);
      border-bottom: 1px solid rgba(220, 227, 237, .9);
      backdrop-filter: blur(18px);
    }
    .nav {
      width: min(1180px, calc(100% - 40px));
      min-height: 68px;
      margin: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .nav-logo img { display: block; width: 218px; }
    .login {
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      padding: 0 18px;
      border-radius: 999px;
      background: var(--blue);
      color: white;
      font-size: 14px;
      font-weight: 800;
      transition: background-color .2s ease, transform .2s ease;
    }
    .login:hover { background: #103f9d; transform: translateY(-1px); }
    .login:focus-visible { outline: 3px solid rgba(23, 78, 184, .24); outline-offset: 3px; }

    body.login-modal-open { overflow: hidden; }
    body.login-modal-open > .header,
    body.login-modal-open > main {
      filter: blur(10px);
      transform: scale(1.025);
      pointer-events: none;
      user-select: none;
    }
    .header, main {
      transform-origin: center center;
      transition: filter .42s ease, transform .48s cubic-bezier(.22, 1, .36, 1);
      will-change: filter, transform;
    }
    .landing-login-modal {
      position: fixed;
      inset: 0;
      z-index: 200;
      display: block;
      overflow: auto;
      opacity: 0;
      transition: opacity .38s ease;
    }
    .landing-login-modal[hidden] { display: none; }
    .landing-login-modal.is-open { opacity: 1; }
    .landing-login-backdrop {
      position: fixed;
      inset: 0;
      border: 0;
      background: rgba(245, 246, 248, .62);
      backdrop-filter: blur(10px);
      cursor: default;
    }
    .landing-login-dialog {
      position: absolute;
      top: var(--login-dialog-top, 82px);
      right: var(--login-dialog-right, 20px);
      z-index: 1;
      width: min(520px, 100%);
      max-height: calc(100svh - var(--login-dialog-top, 82px) - 18px);
      padding: 42px 44px 36px;
      border: 1px solid rgba(23, 78, 184, .16);
      border-radius: 20px;
      background: rgba(255, 255, 255, .97);
      box-shadow: 0 30px 80px rgba(12, 35, 90, .2);
      overflow-y: auto;
      opacity: 0;
      transform: translateY(-8px) scale(.975);
      transform-origin: top right;
      transition: opacity .4s ease, transform .5s cubic-bezier(.16, 1, .3, 1);
    }
    .landing-login-modal.is-open .landing-login-dialog { opacity: 1; transform: translateY(0) scale(1); }
    .landing-login-close {
      position: absolute;
      top: 15px;
      right: 15px;
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(7, 10, 63, .14);
      border-radius: 50%;
      background: #f5f6f8;
      color: var(--ink);
      cursor: pointer;
    }
    .landing-login-close:hover { border-color: var(--blue); color: var(--blue); background: #eaf0fb; }
    .landing-login-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
    .landing-login-head { margin-bottom: 26px; text-align: center; }
    .landing-login-head h2 { margin: 0 0 5px; color: var(--blue); font-size: 25px; line-height: 1.15; }
    .landing-login-head p { margin: 0; color: var(--muted); font-size: 14px; }
    .landing-login-error { margin: -8px 0 18px; padding: 11px 13px; border: 1px solid #fecaca; border-radius: 8px; background: #fff1f2; color: #b4233a; font-size: 13px; font-weight: 700; }
    .landing-login-form { display: grid; gap: 17px; }
    .landing-login-form > label { display: grid; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 800; }
    .landing-login-control { position: relative; display: block; }
    .landing-login-control svg { position: absolute; left: 16px; top: 50%; width: 21px; height: 21px; transform: translateY(-50%); fill: none; stroke: #59617d; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
    .landing-login-control input { width: 100%; height: 54px; padding: 0 16px 0 50px; border: 1px solid #cfd8e6; border-radius: 9px; background: #fff; color: var(--ink); outline: none; }
    .landing-login-control input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23, 78, 184, .12); }
    .landing-login-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 13px; }
    .landing-login-meta a, .landing-login-help a { color: var(--blue); font-weight: 800; }
    .landing-login-remember { display: inline-flex !important; grid-template-columns: auto 1fr; align-items: center; gap: 9px !important; font-weight: 400 !important; white-space: nowrap; }
    .landing-login-remember input { width: 18px; height: 18px; accent-color: var(--blue); }
    .landing-login-submit { min-height: 52px; border: 0; border-radius: 9px; background: var(--blue); color: #fff; font-size: 17px; font-weight: 800; cursor: pointer; }
    .landing-login-submit:hover { background: #103f9d; }
    .landing-login-help { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); display: grid; gap: 2px; text-align: center; color: var(--muted); font-size: 13px; }
    .landing-login-help strong { color: var(--ink); }
    @media (max-width: 560px) {
      .landing-login-dialog { left: 14px; right: 14px; width: auto; padding: 48px 22px 28px; border-radius: 16px; transform-origin: top center; }
      .landing-login-meta { align-items: flex-start; flex-direction: column; gap: 10px; }
    }
    @media (prefers-reduced-motion: reduce) {
      .header, main, .landing-login-modal, .landing-login-dialog { transition: none; }
    }

    .wrap { width: min(1180px, calc(100% - 40px)); margin: auto; }
    .kicker {
      margin: 0 0 16px;
      color: var(--blue);
      font-size: var(--type-label);
      font-weight: 900;
      letter-spacing: .16em;
      text-transform: uppercase;
    }
    .section-title {
      margin: 0;
      font-size: var(--type-section);
      font-weight: 700;
      line-height: .98;
      letter-spacing: 0;
    }
    .section-copy {
      max-width: 700px;
      margin: 24px 0 0;
      color: var(--muted);
      font-size: var(--type-lead);
      line-height: 1.45;
    }
    .rule { width: 72px; height: 4px; margin-top: 34px; border-radius: 99px; background: var(--blue); }
    .hero, .lens-story, .pathway, .reports, .assurance, .closing {
      position: relative;
      overflow-x: clip;
      min-height: calc(100svh - var(--header-height));
      padding-top: var(--section-space);
      padding-bottom: var(--section-space);
      display: grid;
      align-items: center;
      scroll-margin-top: var(--header-height);
      scroll-snap-align: start;
      scroll-snap-stop: always;
    }
    .section-arrow {
      position: absolute;
      left: 50%;
      bottom: 30px;
      z-index: 4;
      width: 44px;
      height: 44px;
      transform: translateX(-50%);
    }
    .section-arrow::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 11px;
      width: 18px;
      height: 18px;
      border-right: 2px solid var(--blue);
      border-bottom: 2px solid var(--blue);
      transform: translateX(-50%) rotate(45deg);
      transition: border-color .25s ease, transform .25s ease;
    }
    .section-arrow:hover::before {
      border-color: var(--cyan);
      transform: translate(-50%, 5px) rotate(45deg);
    }
    .section-arrow:focus-visible { outline: 3px solid rgba(23,78,184,.22); outline-offset: 3px; }
    .section-sketch {
      position: absolute;
      left: 50%;
      top: 50%;
      display: block;
      max-width: none;
      height: auto;
      object-fit: contain;
      opacity: .9;
      pointer-events: none;
      user-select: none;
    }
    .sketch-slot {
      position: relative;
      height: 150px;
      margin: 0 0 28px;
      overflow: hidden;
    }

    .hero {
      min-height: calc(100svh - var(--header-height));
    }
    .hero-inner { position: relative; max-width: 1120px; }
    .hero-sketch-slot { width: min(650px, 62vw); height: 130px; margin-bottom: 30px; }
    .hero-sketch {
      left: 0;
      width: min(650px, 58vw);
      opacity: .82;
      transform: translate(-23%, -50%) rotate(-2deg);
    }
    .hero-symbol { width: 88px; margin-bottom: 28px; }
    .hero-quote {
      max-width: 920px;
      margin: 0;
      font-size: var(--type-display);
      font-weight: 900;
      line-height: .96;
      letter-spacing: 0;
    }
    .hero-quote span { color: var(--blue); }
    .hero-foot {
      margin-top: 38px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 30px;
    }
    .hero-intro { max-width: 660px; margin: 0; color: var(--muted); font-size: var(--type-lead); line-height: 1.45; }
    .inline-lens { color: var(--blue); font-size: 1.08em; font-weight: 900; white-space: nowrap; }
    .scroll-cue { color: var(--blue); font-size: 12px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; white-space: nowrap; }

    .lens-story {
      --section-space: clamp(72px, 8vh, 96px);
      overflow: clip;
      border-top: 1px solid var(--line);
      background: rgba(255,255,255,.56);
    }
    .lens-layout { display: grid; grid-template-columns: .85fr 1.35fr; gap: clamp(70px, 10vw, 150px); }
    .lens-intro { position: sticky; top: 126px; align-self: start; }
    .lens-word { color: var(--blue); }
    .lens-sketch-slot { height: 160px; }
    .lens-sketch { left: 0; width: 600px; transform: translate(-31%, -50%) rotate(2deg); }
    .lens-list { border-top: 1px solid var(--line); }
    .lens-item {
      min-height: 170px;
      padding: 30px 0;
      display: grid;
      grid-template-columns: 130px 1fr;
      gap: 30px;
      align-items: center;
      border-bottom: 1px solid var(--line);
    }
    .lens-letter {
      color: var(--blue);
      font-size: clamp(92px, 10vw, 148px);
      font-weight: 900;
      line-height: .72;
      transition: color .35s ease, transform .35s ease;
    }
    .lens-item:hover .lens-letter { color: var(--cyan); transform: translateX(10px); }
    .lens-item h3 { margin: 0 0 12px; font-size: var(--type-feature); font-weight: 700; line-height: 1.05; }
    .lens-item p { margin: 0; color: var(--muted); font-size: var(--type-body); line-height: 1.5; }
    .lens-summary { margin: 36px 0 0 160px; color: var(--muted); font-size: var(--type-body); line-height: 1.5; }

    .pathway-head { position: relative; max-width: 880px; }
    .pathway-sketch-slot {
      position: absolute;
      top: -150px;
      right: -50px;
      width: 620px;
      height: 150px;
      margin: 0;
    }
    .pathway-sketch { width: 600px; transform: translate(-50%, -50%) rotate(-2deg); }
    .pathway-grid {
      margin-top: 80px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .path-step { min-height: 310px; padding: 40px 30px; position: relative; }
    .path-step + .path-step { border-left: 1px solid var(--line); }
    .path-number { color: var(--blue); font-size: 14px; font-weight: 900; }
    .path-step h3 { margin: 90px 0 15px; font-size: var(--type-card); font-weight: 700; line-height: 1.08; }
    .path-step p { margin: 0; color: var(--muted); font-size: var(--type-body); line-height: 1.5; }
    .path-step::after {
      content: "";
      position: absolute;
      top: -3px;
      left: 0;
      width: 0;
      height: 5px;
      border-radius: 99px;
      background: var(--blue);
      transition: width .45s ease;
    }
    .path-step:hover::after { width: 64%; }

    .reports {
      color: var(--ink);
      background: #edf2f7;
      border-top: 1px solid #d7e0eb;
      border-bottom: 1px solid #d7e0eb;
    }
    .reports .kicker { color: var(--blue); }
    .reports-head {
      position: relative;
      max-width: 920px;
      min-height: 0;
      margin: 0 auto 72px;
      padding: 0;
      display: grid;
      align-content: center;
      text-align: center;
    }
    .reports-head .section-copy { margin-right: auto; margin-left: auto; color: var(--muted); }
    .reports-sketch {
      width: 520px;
      opacity: .84;
      transform: translate(-50%, -50%) rotate(1deg);
    }
    .report-story {
      display: grid;
      grid-template-columns: 340px minmax(0, 1fr);
      gap: clamp(54px, 7vw, 92px);
      align-items: center;
      min-height: 0;
      padding: 0;
      overflow: hidden;
    }
    .report-steps {
      position: relative;
      height: clamp(430px, 48vw, 540px);
      overflow: hidden;
    }
    .report-step {
      position: absolute;
      inset: 0;
      min-height: 0;
      padding: 54px 0 0;
      opacity: 0;
      pointer-events: none;
      transform: translateX(54px);
      transition: opacity .42s ease, transform .58s cubic-bezier(.2,.75,.2,1);
    }
    .report-step.is-active { opacity: 1; pointer-events: auto; transform: none; }
    .report-step.is-before { transform: translateX(-54px); }
    .report-step.is-after { transform: translateX(54px); }
    .report-index { color: var(--blue); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
    .report-step h3 { margin: 18px 0; font-size: var(--type-feature); font-weight: 700; line-height: 1.05; }
    .report-step p { margin: 0; color: var(--muted); font-size: var(--type-body); line-height: 1.5; }
    .report-stage {
      position: relative;
      min-width: 0;
    }
    .report-window {
      position: relative;
      aspect-ratio: 8 / 5;
      overflow: hidden;
      border: 1px solid #a9bdd6;
      border-radius: 8px;
      background: #f8fafc;
      box-shadow: 0 28px 65px rgba(38, 61, 98, .18), 0 0 0 7px rgba(23,78,184,.045);
    }
    .window-bar { height: 34px; padding: 0 14px; display: flex; align-items: center; gap: 7px; background: #eef2f7; border-bottom: 1px solid #dbe2ed; }
    .window-bar span { width: 8px; height: 8px; border-radius: 50%; background: #c3ccda; }
    .report-panel {
      position: absolute;
      inset: 34px 0 0;
      padding: clamp(16px, 2vw, 26px);
      color: var(--ink);
      background: #fff;
      opacity: 0;
      transform: translateX(7%) scale(.985);
      pointer-events: none;
      transition: opacity .42s ease, transform .62s cubic-bezier(.2,.75,.2,1);
    }
    .report-panel.is-active { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
    .report-panel.is-before { transform: translateX(-7%) scale(.985); }
    .report-panel.is-after { transform: translateX(7%) scale(.985); }
    .report-panel.screenshot-panel { padding: 0; background: #f3f6fa; }
    .report-screenshot {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: top center;
      background: #f3f6fa;
    }
    .report-carousel-nav {
      min-height: 42px;
      margin-top: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
    }
    .carousel-dot {
      width: 11px;
      height: 11px;
      padding: 0;
      border: 1px solid #8fa5c0;
      border-radius: 50%;
      background: transparent;
      cursor: pointer;
      transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
    }
    .carousel-dot:hover { border-color: var(--blue); transform: scale(1.12); }
    .carousel-dot.is-active {
      border-color: var(--blue);
      background: var(--blue);
      box-shadow: 0 0 0 5px rgba(23,78,184,.12);
    }
    .carousel-dot:focus-visible { outline: 3px solid rgba(23,78,184,.22); outline-offset: 5px; }
    .assurance { overflow: clip; background: white; }
    .assurance-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(60px, 9vw, 130px); }
    .assurance-intro { position: sticky; top: 125px; align-self: start; }
    .assurance-sketch-slot { height: 135px; }
    .assurance-sketch { left: 0; width: 600px; transform: translate(-32%, -50%) rotate(-1deg); }
    .assurance-list { border-top: 1px solid var(--line); }
    .assurance-item { padding: 38px 0; display: grid; grid-template-columns: 70px 1fr; gap: 20px; border-bottom: 1px solid var(--line); }
    .assurance-number { color: var(--blue); font-size: 14px; font-weight: 900; }
    .assurance-item h3 { margin: 0 0 9px; color: var(--blue); font-size: var(--type-card); font-weight: 700; line-height: 1.08; }
    .assurance-item p { margin: 0; color: var(--muted); font-size: var(--type-body); line-height: 1.5; }

    .closing { place-items: center; text-align: center; }
    .closing-inner { width: min(780px, 100%); }
    .closing-quote { margin: 0 auto 54px; color: var(--muted); font-size: clamp(25px, 3.4vw, 42px); line-height: 1.2; font-style: italic; }
    .closing-logo { display: block; width: min(550px, 92%); margin: 0 auto 26px; }
    .closing h2 { margin: 0; color: var(--blue); font-size: clamp(25px, 3vw, 38px); font-weight: 500; line-height: 1.1; }
    .demo-action { margin: 62px auto 0; }
    .demo-action button { min-height: 54px; padding: 0 30px; border: 0; border-radius: 999px; background: var(--blue); color: white; font-weight: 900; cursor: pointer; }
    .contact-line { margin: 36px 0 0; color: var(--muted); font-size: 14px; }
    .contact-line a { color: var(--blue); font-weight: 800; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

    .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .75s cubic-bezier(.2,.7,.2,1); }
    .reveal.visible { opacity: 1; transform: none; }

    @media (hover: hover) and (pointer: fine) {
      .lens-item.reveal.visible,
      .path-step.reveal.visible,
      .assurance-item.reveal.visible {
        transform-origin: center;
        transition: opacity .7s ease, transform .3s ease, background-color .3s ease, box-shadow .3s ease;
      }
      .lens-item.reveal.visible:hover,
      .assurance-item.reveal.visible:hover {
        z-index: 3;
        transform: scale(1.025);
        background: rgba(255,255,255,.76);
        box-shadow: 0 18px 42px rgba(12,35,90,.08);
      }
      .path-step.reveal.visible:hover {
        z-index: 3;
        transform: scale(1.04);
        background: rgba(255,255,255,.92);
        box-shadow: 0 20px 46px rgba(12,35,90,.1);
      }
    }

    @media (max-width: 920px) {
      .lens-layout, .assurance-layout { grid-template-columns: 1fr; }
      .lens-intro, .assurance-intro { position: static; }
      .pathway-grid { grid-template-columns: repeat(2, 1fr); }
      .path-step:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
      .path-step:nth-child(4) { border-top: 1px solid var(--line); }
      .report-story { grid-template-columns: 1fr; gap: 18px; min-height: 0; padding: 0; }
      .report-stage { position: relative; top: auto; order: 0; z-index: 2; transform: none; }
      .report-steps { position: relative; top: auto; height: 220px; display: block; padding: 0; transform: none; }
      .report-step { position: absolute; inset: 0; min-height: 0; padding: 20px 0; }
      .pathway-sketch-slot { position: relative; top: auto; right: auto; width: 100%; margin: 26px 0 0; }
    }

    @media (max-width: 640px) {
      :root {
        --type-display: 42px;
        --type-section: 40px;
        --type-feature: 28px;
        --type-card: 23px;
        --type-body: 17px;
        --section-space: 90px;
      }
      .wrap, .nav { width: min(100% - 28px, 1180px); }
      .nav-logo img { width: 174px; }
      .hero-symbol { width: 84px; margin-bottom: 30px; }
      .sketch-slot { height: 112px; margin-bottom: 22px; }
      .hero-sketch-slot { width: 100%; height: 105px; }
      .hero-sketch { width: 420px; transform: translate(-23%, -50%) rotate(-2deg); opacity: .86; }
      .hero-foot { align-items: start; flex-direction: column; }
      .lens-item { min-height: 160px; padding: 26px 0; grid-template-columns: 82px 1fr; gap: 20px; }
      .lens-summary { margin-left: 0; }
      .lens-sketch, .assurance-sketch { width: 470px; }
      .pathway-sketch { width: 500px; }
      .reports-sketch { width: 440px; }
      .pathway-grid { grid-template-columns: 1fr; }
      .path-step, .path-step + .path-step { min-height: 0; padding: 30px 18px; border-left: 0; border-top: 1px solid var(--line); }
      .path-step h3 { margin-top: 42px; }
      .reports-head { min-height: 0; margin-bottom: 48px; padding: 0; }
      .report-steps { height: 240px; }
      .report-window { aspect-ratio: 8 / 5; }
      .assurance-item { grid-template-columns: 46px 1fr; }
      .demo-action button { width: 100%; }
      .section-arrow { bottom: 22px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }