:root {
      --paper: #f7f3eb;
      --paper-light: #fffdf8;
      --navy: #071d3c;
      --archive: #03101f;
      --ink: #30353b;
      --muted: #6b675f;
      --oxblood: #a51f20;
      --oxblood-dark: #781416;
      --gold: #9a681e;
      --rule: #d7c6a6;
      --correct-bg: #e5eddd;
      --correct: #3f703e;
      --related-bg: #fbf0dc;
      --related: #a2610c;
      --miss-bg: #fae9e5;
      --miss: #a42727;
      --serif: "Iowan Old Style", Baskerville, "Palatino Linotype", Palatino, Georgia, serif;
      --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
      --shell: min(1440px, calc(100% - 64px));
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; overflow-x: clip; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font: 16px/1.5 var(--sans);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 50;
      pointer-events: none;
      opacity: .08;
      background-image: repeating-radial-gradient(circle at 20% 30%, rgba(30,20,10,.2) 0 .45px, transparent .55px 4px);
      mix-blend-mode: multiply;
    }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    a { color: inherit; }
    svg { display: block; }
    .shell { width: var(--shell); margin-inline: auto; }
    .serif { font-family: var(--serif); }
    .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; }
    .icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
    .reveal-on-scroll { opacity: 1; transform: none; }
    .has-motion .reveal-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.75,.2,1); }
    .has-motion .reveal-on-scroll.is-visible { opacity: 1; transform: none; }

    .site-header { position: relative; z-index: 20; background: rgba(247,243,235,.96); }
    .header-inner {
      min-height: 126px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 32px;
      border-bottom: 1px solid var(--rule);
    }
    .brand { display: inline-flex; align-items: center; gap: 17px; justify-self: start; text-decoration: none; }
    .brand img { width: 70px; height: 70px; border-radius: 15px; }
    .brand-name { color: var(--navy); font: 700 clamp(2.3rem, 3vw, 3.2rem)/1 var(--serif); letter-spacing: -.04em; }
    .main-nav { display: flex; gap: clamp(30px, 4vw, 56px); align-items: center; }
    .main-nav a, .footer-links a { position: relative; text-decoration: none; color: #111b29; }
    .main-nav a { font-size: 1.05rem; }
    .main-nav a::after, .footer-links a::after {
      content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 1px; background: var(--oxblood); transition: right .22s ease;
    }
    .main-nav a:hover::after, .main-nav a:focus-visible::after, .footer-links a:hover::after, .footer-links a:focus-visible::after { right: 0; }
    .header-action { justify-self: end; }

    .button {
      min-height: 54px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 17px;
      padding: 0 27px;
      border: 1px solid var(--oxblood);
      border-radius: 4px;
      color: var(--oxblood);
      background: transparent;
      font: 1.05rem/1 var(--serif);
      text-decoration: none;
      cursor: pointer;
      transition: color .2s ease, background .2s ease, transform .2s ease, border-color .2s ease;
    }
    .button:hover, .button:focus-visible { color: #fffaf2; background: var(--oxblood); transform: translateY(-2px); }
    .button.primary { color: #fffaf2; background: var(--oxblood); }
    .button.primary:hover, .button.primary:focus-visible { background: var(--oxblood-dark); }
    .button.light { border-color: #f5e6cf; color: #fffaf2; }
    .button.light:hover, .button.light:focus-visible { color: var(--oxblood-dark); background: #fffaf2; }
    .button.small { min-height: 46px; padding-inline: 21px; font-size: .95rem; }

    .hero { position: relative; min-height: 738px; overflow: hidden; }
    .hero-inner { min-height: 738px; display: grid; grid-template-columns: minmax(490px, .92fr) minmax(600px, 1.08fr); align-items: center; gap: 54px; padding: 36px 0 46px; }
    .hero-copy { position: relative; z-index: 2; padding: 15px 0; }
    .hero-copy h1 { margin: 0; max-width: 640px; color: var(--navy); font: 700 clamp(4rem, 5.2vw, 5.3rem)/.91 var(--serif); letter-spacing: -.045em; }
    .hero-copy h1 span { display: block; white-space: nowrap; }
    .hero-copy p { max-width: 500px; margin: 30px 0 27px; font-size: 1.22rem; line-height: 1.5; }
    .hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .availability { display: block; margin-top: 22px; color: var(--navy); font-size: .95rem; }

    .product-stage { position: relative; min-height: 660px; }
    .app-shot {
      position: absolute;
      margin: 0;
      overflow: hidden;
      aspect-ratio: 1290 / 2796;
      border: 8px solid #071321;
      border-radius: 42px;
      background: #f3e7d2;
      box-shadow: 0 24px 54px rgba(7,29,60,.18);
    }
    .app-shot img { width: 100%; height: 100%; object-fit: cover; }
    .app-shot-primary { z-index: 2; left: 38px; top: 0; width: 326px; }
    .app-shot-secondary { z-index: 1; right: 18px; top: 54px; width: 274px; transform: rotate(2deg); box-shadow: 0 18px 42px rgba(7,29,60,.12); }

    .demo-ribbon { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
    .ribbon-inner { min-height: 132px; display: grid; grid-template-columns: 1.1fr repeat(3, 1fr) auto; align-items: stretch; }
    .ribbon-title { align-self: center; padding: 0 36px 0 28px; color: var(--navy); font: 700 2.25rem/1 var(--serif); }
    .ribbon-step { display: flex; align-items: center; gap: 20px; padding: 0 28px; border-left: 1px solid var(--rule); color: var(--navy); font: 1rem/1.2 var(--serif); }
    .ribbon-step b { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold); font-size: 1.45rem; font-weight: 400; }
    .ribbon-action { align-self: center; padding-left: 26px; }

    .demo-section { position: relative; color: #fff8ec; background: var(--archive) url("assets/archive-study.png") center / cover no-repeat; overflow: hidden; }
    .demo-progress { position: relative; z-index: 2; width: min(560px, calc(100% - 48px)); margin: 0 auto; padding: 42px 0 22px; display: grid; grid-template-columns: repeat(3,1fr); }
    .progress-step { position: relative; display: grid; justify-items: center; gap: 8px; color: #e8d9c3; font-size: .76rem; text-align: center; }
    .progress-step::after { content: ""; position: absolute; top: 20px; left: calc(50% + 27px); right: calc(-50% + 27px); border-top: 1px solid rgba(215,198,166,.5); }
    .progress-step:last-child::after { display: none; }
    .progress-number { position: relative; z-index: 1; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #c9a76d; border-radius: 50%; color: #f3debe; background: var(--archive); font: 1.2rem/1 var(--serif); transition: background .25s ease, transform .25s ease; }
    .progress-step.active .progress-number { border-color: var(--oxblood); color: #fff; background: var(--oxblood); transform: scale(1.08); box-shadow: 0 0 0 7px rgba(165,31,32,.14); }
    .demo-layout { position: relative; z-index: 2; min-height: 730px; display: grid; grid-template-columns: 310px minmax(0,1fr); gap: 44px; align-items: center; padding: 12px 0 74px; }
    .demo-copy { align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding-left: 10px; }
    .demo-copy h2 { margin: 0; color: #fff7eb; font: 700 3.5rem/.98 var(--serif); letter-spacing: -.025em; }
    .demo-copy > p { margin: 24px 0 0; color: #f1e5d6; font-size: 1.05rem; line-height: 1.55; }
    .difference { margin: auto 0 30px 76px; padding: 20px 0 0; border-top: 1px solid rgba(215,198,166,.5); }
    .difference strong { display: block; color: #fff7eb; font: 1.4rem/1.25 var(--serif); }
    .difference span { display: block; margin-top: 8px; color: #cfc0ad; font-size: .86rem; }

    .game-surface { position: relative; min-height: 575px; padding: 35px 38px 27px; border: 1px solid #bfa373; border-radius: 8px; color: var(--ink); background: rgba(255,253,248,.98); box-shadow: 0 18px 48px rgba(0,0,0,.34), inset 0 0 0 5px rgba(215,198,166,.18); }
    .game-form { display: grid; grid-template-columns: 1fr 250px; gap: 17px; }
    .search-wrap { position: relative; }
    .search-wrap .icon { position: absolute; left: 19px; top: 50%; width: 28px; height: 28px; color: var(--navy); transform: translateY(-50%); }
    .game-input { width: 100%; min-height: 62px; padding: 0 21px 0 62px; border: 1px solid #b9aa91; border-radius: 4px; color: var(--navy); background: #fffdfa; font: 1.14rem/1 var(--serif); outline: none; }
    .game-input:focus { border-color: var(--oxblood); box-shadow: 0 0 0 3px rgba(165,31,32,.09); }
    .game-input::placeholder { color: #867e71; }
    .game-submit { min-height: 62px; border: 1px solid var(--oxblood); border-radius: 4px; color: #fff9f0; background: var(--oxblood); font: 1.25rem/1 var(--serif); cursor: pointer; transition: background .2s ease, transform .2s ease; }
    .game-submit:hover, .game-submit:focus-visible { background: var(--oxblood-dark); transform: translateY(-2px); }
    .game-submit:disabled, .game-input:disabled { cursor: not-allowed; opacity: .58; }
    .starter-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 18px 0 25px; }
    .starters { display: flex; gap: 4px 25px; flex-wrap: wrap; }
    .starter { min-height: 38px; padding: 0; border: 0; color: var(--navy); background: transparent; font: 1rem/1 var(--serif); cursor: pointer; }
    .starter::after { content: " →"; color: var(--oxblood); }
    .starter:hover, .starter:focus-visible { color: var(--oxblood); }
    .hint-button { min-height: 40px; display: inline-flex; align-items: center; gap: 8px; padding: 0 14px; border: 1px solid var(--rule); border-radius: 4px; color: var(--navy); background: transparent; cursor: pointer; font: .88rem/1 var(--serif); white-space: nowrap; }
    .hint-button .icon { width: 18px; height: 18px; color: var(--gold); }
    .hint-text { display: none; margin: -10px 0 20px; padding: 12px 15px; border-left: 2px solid var(--gold); color: #6f542d; background: #fff8e8; font: .92rem/1.4 var(--serif); }
    .hint-text.is-visible { display: block; animation: evidence .35s ease both; }
    .game-message { min-height: 24px; margin: -4px 0 12px; color: var(--miss); font-size: .86rem; }
    .game-message.status-default { color: var(--navy); }
    .game-message.status-correct { color: var(--correct); }
    .game-message.status-related { color: var(--related); }
    .game-message.status-miss { color: var(--miss); }
    .guess-heading { display: grid; grid-template-columns: 210px repeat(5, 1fr); align-items: end; min-height: 52px; border-bottom: 1px solid var(--rule); color: var(--navy); }
    .guess-heading strong { font: 700 1.35rem/1 var(--serif); }
    .guess-heading span { display: flex; align-items: center; justify-content: center; gap: 7px; padding-bottom: 10px; font: .82rem/1 var(--serif); }
    .guess-heading .icon { width: 18px; height: 18px; color: var(--gold); }
    .guess-list { min-height: 145px; }
    .guess-row { display: grid; grid-template-columns: 210px repeat(5,1fr); min-height: 78px; align-items: center; border-bottom: 1px solid var(--rule); animation: evidence .42s cubic-bezier(.2,.8,.2,1) both; }
    .guess-person { display: flex; align-items: center; gap: 12px; color: var(--navy); font: 700 .98rem/1.15 var(--serif); }
    .guess-index { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--rule); border-radius: 50%; color: var(--gold); font-weight: 400; }
    .evidence { min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 7px; border-left: 1px solid var(--rule); text-align: center; font: .74rem/1.15 var(--serif); }
    .evidence::before { display: grid; place-items: center; width: 21px; height: 21px; flex: 0 0 21px; border: 1px solid currentColor; border-radius: 50%; font-family: var(--sans); font-size: .68rem; }
    .evidence.correct { color: var(--correct); background: rgba(229,237,221,.6); }
    .evidence.correct::before { content: "✓"; }
    .evidence.related { color: var(--related); background: rgba(251,240,220,.62); }
    .evidence.related::before { content: "•"; font-size: 1rem; }
    .evidence.miss { color: var(--miss); background: rgba(250,233,229,.5); }
    .evidence.miss::before { content: "×"; }
    .empty-guesses { min-height: 145px; display: grid; place-items: center; color: #8b8377; font: 1rem/1.3 var(--serif); text-align: center; }
    .legend { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; margin-top: 19px; color: #6c665d; font-size: .72rem; }
    .legend span { display: flex; align-items: center; gap: 7px; }
    .legend i { display: grid; place-items: center; width: 18px; height: 18px; border: 1px solid currentColor; border-radius: 50%; font-style: normal; }
    .legend .l-correct { color: var(--correct); }
    .legend .l-related { color: var(--related); }
    .legend .l-miss { color: var(--miss); }
    .reveal-option { display: none; justify-content: flex-end; margin-top: 18px; }
    .reveal-option.is-visible { display: flex; }
    @keyframes evidence { from { opacity: 0; transform: translateY(13px); } to { opacity: 1; transform: none; } }
    .sealed-record { position: relative; min-height: 380px; border-bottom: 1px solid var(--rule); background: var(--paper); overflow: hidden; transition: min-height .8s cubic-bezier(.2,.8,.2,1); }
    .sealed-state { min-height: 380px; display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 45px; color: var(--navy); transition: opacity .35s ease, transform .45s ease; }
    .sealed-emblem { width: 116px; height: 116px; display: grid; place-items: center; justify-self: end; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold); background: #f0e6d6; font: 700 3.8rem/1 var(--serif); box-shadow: inset 0 0 0 9px var(--paper); }
    .sealed-copy h2 { margin: 0 0 10px; font: 700 3.4rem/.98 var(--serif); letter-spacing: -.03em; }
    .sealed-copy p { margin: 0; font-size: 1.04rem; }
    .solved-state { display: none; min-height: 690px; grid-template-columns: 45% 55%; }
    .sealed-record.is-unlocked { min-height: 690px; }
    .sealed-record.is-unlocked .sealed-state { display: none; }
    .sealed-record.is-unlocked .solved-state { display: grid; animation: revealRecord .8s ease both; }
    .reveal-portrait { position: relative; min-height: 690px; overflow: hidden; border-right: 1px solid var(--rule); background: #eee6da; }
    .reveal-portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 16%; filter: grayscale(1) sepia(.08) contrast(.96); mix-blend-mode: multiply; }
    .solved-copy { align-self: center; padding: 45px 11% 40px 2%; }
    .found { color: var(--oxblood); font: 1.35rem/1 var(--serif); }
    .solved-copy h2 { margin: 12px 0 2px; color: var(--navy); font: 700 clamp(4.5rem, 6vw, 6.5rem)/.83 var(--serif); letter-spacing: -.045em; }
    .life { margin: 22px 0 26px; color: #80551a; font: 1.2rem/1 var(--serif); letter-spacing: .14em; }
    .story-bio { max-width: 560px; margin: 0 0 38px; font: 1.13rem/1.55 var(--serif); }
    .story-timeline { position: relative; display: grid; grid-template-columns: repeat(3,1fr); gap: 25px; padding-top: 22px; text-align: center; }
    .story-timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--rule); }
    .story-event { position: relative; color: var(--navy); font: .92rem/1.3 var(--serif); }
    .story-event::before { content: ""; position: absolute; left: 50%; top: -21px; width: 11px; height: 11px; border: 2px solid var(--gold); border-radius: 50%; background: var(--paper); transform: translateX(-50%); }
    .story-event strong { display: block; color: var(--gold); font-size: 1.1rem; font-weight: 400; }
    .story-coda { grid-column: 1 / -1; align-self: end; min-height: 64px; display: grid; place-items: center; border-top: 1px solid var(--rule); color: var(--navy); font: 1.2rem/1 var(--serif); letter-spacing: .04em; }
    @keyframes revealRecord { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }

    .app-world { position: relative; padding: 72px 0 82px; color: #fff7ec; background: var(--archive) url("assets/archive-study.png") center / cover no-repeat; overflow: hidden; }
    .app-heading { position: relative; z-index: 2; max-width: 920px; margin: 0 auto 55px; text-align: center; }
    .app-heading p { margin: 0 0 10px; color: #ddc9ad; font: 1rem/1 var(--serif); }
    .app-heading h2 { margin: 0; font: 700 clamp(3rem, 5vw, 5.1rem)/.95 var(--serif); letter-spacing: -.035em; }
    .app-panorama { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3,1fr); gap: clamp(28px, 4vw, 64px); align-items: start; }
    .app-column { min-width: 0; display: grid; justify-items: center; }
    .benefit-title { width: min(340px,100%); min-height: 106px; display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start; padding: 0 0 22px; }
    .benefit-title .icon { width: 28px; height: 28px; color: #d29a49; }
    .benefit-title h3 { margin: 0; font: 700 1.45rem/1.1 var(--serif); }
    .benefit-title p { margin: 7px 0 0; color: #cfbea8; font-size: .78rem; }
    .app-device { width: min(340px,100%); overflow: hidden; aspect-ratio: 1290 / 2796; border: 7px solid #08121e; border-radius: 34px; background: #08121e; box-shadow: 0 20px 42px rgba(0,0,0,.34); }
    .app-device img { width: 100%; height: 100%; object-fit: cover; }

    .launch { position: relative; min-height: 500px; display: grid; place-items: center; color: #fff7eb; text-align: center; background-color: var(--oxblood-dark); background-image: url("assets/archive-study.png"); background-position: center; background-size: cover; background-blend-mode: multiply; overflow: hidden; }
    .launch::before, .launch::after { content: ""; position: absolute; border: 1px solid rgba(244,215,172,.25); border-radius: 50%; }
    .launch::before { width: 380px; height: 380px; left: -120px; top: 70px; }
    .launch::after { width: 220px; height: 220px; right: -40px; bottom: -60px; }
    .launch-inner { position: relative; z-index: 2; padding: 60px 20px; }
    .launch-mark { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 25px; border: 1px solid #e4bd78; border-radius: 50%; color: #e7c482; font: 700 2.4rem/1 var(--serif); }
    .launch h2 { max-width: 800px; margin: 0 auto; font: 700 clamp(3.8rem, 6vw, 6.5rem)/.88 var(--serif); letter-spacing: -.04em; }
    .launch h2::after { content: ""; display: block; width: 48px; height: 2px; margin: 28px auto 21px; background: #deb86d; }
    .launch p { margin: 0 0 28px; color: #f0dac0; font: 1.1rem/1.3 var(--serif); }
    .launch-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    .site-footer { background: var(--paper); }
    .footer-inner { min-height: 118px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid var(--rule); }
    .footer-brand .brand img { width: 48px; height: 48px; border-radius: 10px; }
    .footer-brand .brand-name { font-size: 2rem; }
    .footer-links { display: flex; gap: 52px; font-size: .85rem; }
    .copyright { justify-self: end; font-size: .8rem; }

    :focus-visible { outline: 2px solid var(--oxblood); outline-offset: 4px; }

    @media (max-width: 1240px) {
      :root { --shell: min(100% - 42px, 1040px); }
      .header-inner { grid-template-columns: 1fr auto; padding-top: 16px; }
      .main-nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; padding: 0 0 16px; }
      .header-action { grid-column: 2; grid-row: 1; }
      .hero-inner { grid-template-columns: 1fr; }
      .hero { min-height: auto; }
      .hero-inner { min-height: auto; padding-top: 50px; }
      .hero-copy { text-align: center; }
      .hero-copy h1, .hero-copy p { margin-inline: auto; }
      .hero-actions { justify-content: center; }
      .availability { text-align: center; }
      .product-stage { width: min(760px,100%); margin-inline: auto; }
      .ribbon-inner { grid-template-columns: 1fr repeat(3,1fr); }
      .ribbon-title { grid-column: 1 / -1; padding: 25px 0; text-align: center; border-bottom: 1px solid var(--rule); }
      .ribbon-step:first-of-type { border-left: 0; }
      .ribbon-action { align-self: center; }
      .demo-layout { grid-template-columns: 1fr; }
      .demo-copy { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 40px; padding: 10px 0 0; }
      .difference { margin: 0; }
      .guess-heading, .guess-row { grid-template-columns: 180px repeat(5,1fr); }
      .sealed-state { grid-template-columns: 140px 1fr auto; }
      .app-panorama { gap: 18px; }
    }

    @media (max-width: 820px) {
      :root { --shell: calc(100% - 28px); }
      .header-inner { min-height: 95px; gap: 10px; }
      .brand { gap: 11px; }
      .brand img { width: 46px; height: 46px; border-radius: 10px; }
      .brand-name { font-size: 1.72rem; }
      .main-nav { justify-content: space-between; gap: 12px; overflow-x: auto; }
      .main-nav a { font-size: .84rem; white-space: nowrap; }
      .main-nav a:last-child { display: none; }
      .header-action.button { min-height: 44px; padding-inline: 13px; font-size: .78rem; }
      .hero-copy { padding-inline: 3px; text-align: left; }
      .hero-copy h1 { font-size: clamp(3.45rem, 16vw, 5rem); }
      .hero-copy h1 span { display: inline; white-space: normal; }
      .hero-copy h1 span::after { content: " "; }
      .hero-copy p { font-size: 1.05rem; }
      .hero-actions { justify-content: flex-start; }
      .hero-actions .button { flex: 1 1 210px; }
      .availability { text-align: left; }
      .product-stage { min-height: 680px; margin-top: 30px; }
      .app-shot-primary { left: 50%; width: 302px; transform: translateX(-62%); }
      .app-shot-secondary { left: 50%; right: auto; top: 44px; width: 256px; transform: translateX(15%) rotate(2deg); }
      .ribbon-inner { grid-template-columns: 1fr; }
      .ribbon-step { min-height: 76px; border-left: 0; border-top: 1px solid var(--rule); }
      .ribbon-action { padding: 22px 0; }
      .ribbon-action .button { width: 100%; }
      .demo-progress { padding-top: 30px; }
      .demo-layout { gap: 22px; padding-bottom: 45px; }
      .demo-copy { display: block; text-align: center; }
      .demo-copy h2 { font-size: 3rem; }
      .difference { margin: 24px auto 0; max-width: 380px; }
      .game-surface { padding: 22px 16px; }
      .game-form { grid-template-columns: 1fr; }
      .starter-row { align-items: flex-start; flex-direction: column; }
      .guess-heading { display: none; }
      .guess-row { grid-template-columns: 1fr 1fr; padding: 14px 0; }
      .guess-person { grid-column: 1 / -1; min-height: 45px; }
      .evidence { justify-content: flex-start; border-left: 0; border-top: 1px solid rgba(215,198,166,.65); text-align: left; }
      .evidence:last-child { grid-column: 1 / -1; }
      .sealed-state { grid-template-columns: 1fr; justify-items: center; padding: 45px 10px; text-align: center; }
      .sealed-copy h2 { font-size: 2.8rem; }
      .solved-state, .sealed-record.is-unlocked .solved-state { grid-template-columns: 1fr; }
      .reveal-portrait { min-height: 480px; border-bottom: 1px solid var(--rule); }
      .reveal-portrait { border-right: 0; }
      .reveal-portrait img { position: absolute; width: 100%; height: 100%; object-position: 50% 13%; }
      .solved-copy { padding: 38px 24px 45px; }
      .solved-copy h2 { font-size: clamp(4rem, 16vw, 5.2rem); }
      .story-timeline { grid-template-columns: 1fr; gap: 25px; padding: 0 0 0 34px; text-align: left; }
      .story-timeline::before { left: 7px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
      .story-event::before { left: -27px; top: 6px; }
      .story-coda { padding: 17px; text-align: center; line-height: 1.35; }
      .app-world { padding-top: 55px; }
      .app-panorama { grid-template-columns: 1fr; gap: 44px; }
      .app-device { width: min(330px,100%); margin-inline: auto; }
      .footer-inner { grid-template-columns: 1fr; gap: 23px; padding: 25px 0; }
      .footer-links { flex-wrap: wrap; justify-content: flex-start; gap: 18px 32px; }
      .copyright { justify-self: start; }
    }

    @media (max-width: 470px) {
      .header-action.button { max-width: 116px; padding-inline: 10px; font-size: .74rem; line-height: 1.1; text-align: center; }
      .hero-copy h1 { font-size: 3.55rem; }
      .product-stage { min-height: 620px; }
      .app-shot-primary { width: 280px; transform: translateX(-50%); }
      .app-shot-secondary { display: none; }
      .demo-progress span:last-child { max-width: 85px; }
      .game-surface { border-radius: 5px; }
      .starters { gap: 3px 18px; }
      .starter { font-size: .88rem; }
      .guess-row { grid-template-columns: 1fr; }
      .evidence, .evidence:last-child { grid-column: 1; }
      .legend { gap: 12px; }
      .reveal-portrait { min-height: 390px; }
      .reveal-portrait img { width: 100%; height: 100%; }
      .launch h2 { font-size: 4rem; }
      .launch-actions .button { width: 100%; }
    }

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