:root {
    color-scheme: light;
    --bg: #fbfaf8; --bg2: #f3f1ec; --panel: #ffffff; --text: #17171a; --muted: #5d5d66; --faint: #6b6b74; --border: #e7e4de;
    --accent: #d63c2f; --accent-ink: #b8301f; --accent-soft: #fbe9e6; --code: #f4f2ee; --ok: #2e9e5b;
    --shadow: 0 1px 2px rgba(20,20,30,.04), 0 24px 60px -20px rgba(20,20,30,.18);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      color-scheme: dark;
      --bg: #111113; --bg2: #17171a; --panel: #1b1b1f; --text: #ededf0; --muted: #a3a3ad; --faint: #8d8d97; --border: #2b2b31;
      --accent: #ff6b5b; --accent-ink: #ff8576; --accent-soft: #34201d; --code: #232328; --ok: #4cc27f;
      --shadow: 0 24px 60px -20px rgba(0,0,0,.6);
    }
  }
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #111113; --bg2: #17171a; --panel: #1b1b1f; --text: #ededf0; --muted: #a3a3ad; --faint: #8d8d97; --border: #2b2b31;
    --accent: #ff6b5b; --accent-ink: #ff8576; --accent-soft: #34201d; --code: #232328; --ok: #4cc27f;
    --shadow: 0 24px 60px -20px rgba(0,0,0,.6);
  }
  * { box-sizing: border-box; }
  [hidden] { display: none !important; }
  html { scroll-behavior: smooth; }
  body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
  a { color: inherit; }
  .wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
  .serif { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-style: italic; letter-spacing: -.01em; }
  .mono { font-family: "JetBrains Mono", ui-monospace, monospace; }

  /* Nav */
  header.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent);
               backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); }
  .nav .wrap { display: flex; align-items: center; gap: 22px; height: 62px; }
  .brand { display: flex; align-items: center; gap: 6px; white-space: nowrap; flex: none; font-weight: 800; font-size: 18px; text-decoration: none; letter-spacing: -.02em; }
  .brand .mark { width: 14px; height: 16px; fill: var(--accent); stroke: var(--accent); stroke-width: 1; stroke-linejoin: round; flex: none; }
  .nav nav { display: flex; gap: 22px; align-items: center; font-size: 14.5px; }
  .nav nav a { text-decoration: none; color: var(--muted); }
  .nav nav a:hover { color: var(--text); }
  .nav .right { margin-left: auto; display: flex; gap: 10px; align-items: center; }
  .icon-btn { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; border: 1px solid var(--border);
              background: var(--panel); color: var(--muted); cursor: pointer; padding: 0; }
  .icon-btn:hover { color: var(--text); }
  .btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; border-radius: 10px; padding: 11px 18px;
         font: 600 15px Inter, sans-serif; background: var(--accent); color: #fff; border: 0; cursor: pointer; white-space: nowrap; }
  .btn:hover { background: var(--accent-ink); }
  .btn.small { padding: 8px 14px; font-size: 14px; }
  /* Signed in: one account pill (avatar + "Open app") instead of Log in / Start free — filled in by the server */
  .me { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px 0 4px; border-radius: 999px;
        border: 1px solid var(--border); background: var(--panel); color: var(--text); text-decoration: none;
        font: 600 14px Inter, sans-serif; white-space: nowrap; transition: border-color .15s; }
  .me:hover { border-color: var(--accent); }
  .me .avatar { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; flex: none;
                background: var(--accent); color: #fff; font-size: 13px; font-weight: 700; text-transform: uppercase; }
  .me .arrow { color: var(--muted); font-weight: 500; }
  .btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
  .btn.ghost:hover { background: var(--panel); }

  /* Hero */
  .hero { padding: 72px 0 40px; text-align: center; position: relative; overflow: hidden; }
  .hero::before { content: ""; position: absolute; inset: -40% -20% auto; height: 700px; pointer-events: none;
                  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%); }
  .eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 600; color: var(--accent-ink);
             background: var(--accent-soft); padding: 5px 12px; border-radius: 999px; position: relative; }
  h1 { position: relative; font-size: clamp(38px, 6.4vw, 74px); line-height: 1.02; letter-spacing: -.035em; margin: 20px auto 18px;
       max-width: 980px; font-weight: 800; }
  h1 .serif { color: var(--accent); font-size: 1.08em; }
  .lead { position: relative; font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 700px; margin: 0 auto 30px; }
  .start { position: relative; display: flex; gap: 8px; max-width: 620px; margin: 0 auto; padding: 7px; background: var(--panel);
           border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
  .start input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 10px 12px; font: 16px Inter, sans-serif; color: var(--text); }
  .start input:focus { outline: none; }
  .start:focus-within { border-color: var(--accent); }
  .start-err { color: var(--accent); font-size: 13.5px; min-height: 20px; margin-top: 8px; position: relative; }
  .trust { position: relative; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; color: var(--faint); font-size: 13.5px; margin-top: 6px; }
  .trust span::before { content: "✓ "; color: var(--ok); font-weight: 700; }

  /* Product mockup */
  .shot { position: relative; margin: 52px auto 0; max-width: 1100px; background: var(--panel); border: 1px solid var(--border);
          border-radius: 18px; box-shadow: var(--shadow); text-align: left; overflow: hidden; font-size: 14px; }
  .shot .chrome { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid var(--border); background: var(--bg2); }
  .shot .chrome i { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
  .shot .chrome .addr { margin-left: 14px; font-size: 12px; color: var(--faint); background: var(--panel); border: 1px solid var(--border);
                        border-radius: 7px; padding: 2px 12px; }
  .shot .cols { display: grid; grid-template-columns: 220px minmax(0, 1fr) 300px; min-height: 470px; }
  .shot aside { border-right: 1px solid var(--border); padding: 16px 12px; background: var(--bg2); }
  .shot .label { font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--faint); margin: 0 6px 8px; font-weight: 600; }
  .shot .course { background: var(--accent-soft); border-radius: 9px; padding: 9px 10px; margin-bottom: 12px; }
  .shot .course b { font-size: 12.5px; display: block; line-height: 1.35; }
  .shot .course small { color: var(--muted); font-size: 11.5px; }
  .bar { height: 4px; background: var(--border); border-radius: 2px; margin-top: 6px; overflow: hidden; }
  .bar i { display: block; height: 100%; background: var(--accent); }
  .shot .vid { display: flex; gap: 8px; align-items: center; padding: 6px; font-size: 12.5px; color: var(--muted); }
  .shot .vid .n { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 10.5px; flex: none;
                  border: 1px solid var(--border); background: var(--panel); font-weight: 600; }
  .shot .vid.done .n { background: var(--accent); border-color: var(--accent); color: #fff; }
  .shot .vid.on { color: var(--text); font-weight: 600; }
  .shot .lesson { padding: 22px 28px; position: relative; }
  .rt { display: inline-block; font-size: 12px; color: var(--muted); border: 1px solid var(--border); border-radius: 8px; padding: 3px 10px; max-width: 100%; }
  .rt b { color: var(--text); }
  .shot h3, .shot .h3 { font-size: 19px; line-height: 1.3; margin: 16px 0 8px; letter-spacing: -.01em; }
  .ts { font: 600 11px "JetBrains Mono", monospace; background: var(--accent-soft); color: var(--accent-ink); padding: 2px 6px; border-radius: 5px; vertical-align: 2px; margin-right: 6px; }
  .shot p { color: var(--muted); margin: 0 0 10px; }
  mark { background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--text); border-radius: 3px; padding: 0 1px; }
  .shot pre { background: var(--code); border-radius: 10px; padding: 12px 14px; font: 11.5px/1.45 "JetBrains Mono", monospace; overflow: hidden; margin: 10px 0 0; color: var(--text); }
  .pop { position: relative; margin: 2px 0 12px 60px; width: 290px; max-width: calc(100% - 60px); background: var(--panel);
         border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 12px 34px rgba(0,0,0,.16); padding: 10px; font-size: 12px; z-index: 2; }
  .pop::before { content: ""; position: absolute; top: -6px; left: 40px; width: 10px; height: 10px; background: var(--panel);
                 border-left: 1px solid var(--border); border-top: 1px solid var(--border); transform: rotate(45deg); }
  .pop .chips { display: flex; gap: 5px; flex-wrap: wrap; }
  .pop .chips span { border: 1px solid var(--border); border-radius: 999px; padding: 3px 9px; background: var(--bg); }
  .pop .chips span.on { border-color: var(--accent); color: var(--accent-ink); }
  .pop .ask { margin-top: 7px; border: 1px solid var(--border); border-radius: 7px; padding: 5px 8px; color: var(--faint); }
  .shot .chat { border-left: 1px solid var(--border); display: flex; flex-direction: column; }
  .shot .player { aspect-ratio: 16/9; background: linear-gradient(135deg, #2a2a30, #121215); display: grid; place-items: center; position: relative; }
  .shot .player .play { width: 46px; height: 32px; border-radius: 9px; background: #ff0033cc; display: grid; place-items: center; }
  .shot .player .play::after { content: ""; border-left: 12px solid #fff; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }
  .shot .player small { position: absolute; bottom: 8px; left: 10px; color: #ddd; font-size: 11px; }
  .shot .msgs { padding: 14px; display: flex; flex-direction: column; gap: 10px; font-size: 12.5px; }
  .shot .q { align-self: flex-end; background: var(--text); color: var(--bg); padding: 7px 11px; border-radius: 12px 12px 3px 12px; max-width: 92%; }
  .shot .q small { display: block; opacity: .7; border-left: 2px solid currentColor; padding-left: 6px; margin-bottom: 3px; }
  .shot .a { line-height: 1.55; }

  /* Sections */
  section { padding: 84px 0; }
  .kicker { text-align: center; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 10px; }
  h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.1; letter-spacing: -.03em; margin: 0 auto 14px; text-align: center; max-width: 820px; }
  h2 .serif { color: var(--accent); }
  .sub { color: var(--muted); text-align: center; max-width: 640px; margin: 0 auto 44px; font-size: 17px; }

  /* Real numbers strip */
  .numbers { padding: 34px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg2); }
  .numbers .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
  .numbers b { display: block; font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.03em; line-height: 1.1; }
  .numbers span { color: var(--muted); font-size: 13.5px; }
  .numbers .note { grid-column: 1 / -1; color: var(--faint); font-size: 12.5px; margin-top: 4px; }

  /* Problems — each card shows the pain as a tiny illustration */
  .pains { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .pain { border: 1px solid var(--border); border-radius: 18px; background: var(--panel); overflow: hidden;
          display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s, border-color .2s; }
  .pain:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
  .pain .art { height: 132px; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 18px 16px;
               display: flex; flex-direction: column; justify-content: center; gap: 8px; font-size: 11.5px; position: relative; }
  .pain .txt { padding: 18px 20px 22px; }
  .pain h3 { font-size: 16.5px; margin: 0 0 6px; letter-spacing: -.01em; }
  .pain p { color: var(--muted); font-size: 14.5px; margin: 0; line-height: 1.6; }
  /* art: scrubber */
  .scrub { position: relative; height: 8px; border-radius: 4px; background: var(--border); }
  .scrub .known { position: absolute; inset: 0 62% 0 0; border-radius: 4px 0 0 4px;
                  background: repeating-linear-gradient(-45deg, color-mix(in srgb, var(--accent) 45%, transparent) 0 4px, color-mix(in srgb, var(--accent) 18%, transparent) 4px 8px); }
  .scrub .thumb { position: absolute; left: 38%; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%;
                  background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
  .scrub-labels { display: flex; justify-content: space-between; color: var(--faint); font-family: "JetBrains Mono", monospace; font-size: 10.5px; }
  .art .note { color: var(--accent-ink); font-weight: 600; font-size: 11.5px; }
  /* art: search */
  .fake-input { display: flex; align-items: center; gap: 7px; background: var(--panel); border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px; color: var(--text); }
  .fake-input svg { color: var(--faint); flex: none; }
  .fake-input .caret { width: 1.5px; height: 13px; background: var(--accent); animation: blink 1s steps(1) infinite; }
  @keyframes blink { 50% { opacity: 0; } }
  .no-results { color: var(--faint); padding-left: 2px; }
  /* art: code in a video */
  .vframe { position: relative; background: #141418; border-radius: 9px; padding: 10px 12px; font: 10.5px/1.55 "JetBrains Mono", monospace; color: #c9c9d1; }
  .vframe .k { color: #ff8a7a; } .vframe .s { color: #9fd49f; }
  .vframe .blur { filter: blur(1.6px); }
  .vframe .nocopy { position: absolute; right: 8px; top: 8px; background: #2a2a31; color: #ff8a7a; border-radius: 6px; padding: 2px 7px; font-family: Inter, sans-serif; font-weight: 600; }
  /* art: comment */
  .comment { display: flex; gap: 9px; background: var(--panel); border: 1px solid var(--border); border-radius: 11px; padding: 10px 11px; }
  .comment .av { width: 24px; height: 24px; border-radius: 50%; flex: none; background: linear-gradient(135deg, #f5a37b, #d63c2f); }
  .comment b { font-size: 11.5px; } .comment small { color: var(--faint); font-size: 10.5px; }
  .comment p { margin: 2px 0 0; font-size: 12px; color: var(--text); }
  .replies { color: var(--faint); font-size: 11px; padding-left: 34px; }
  .bridge { text-align: center; margin: 34px auto 0; font-size: 17px; color: var(--muted); }
  .bridge b { color: var(--text); }

  /* Feature rows */
  .rows { display: grid; gap: 96px; }
  .row { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
  .row.flip .copy { order: 2; }
  .copy h3 { font-size: clamp(24px, 2.8vw, 32px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 12px; }
  .copy p { color: var(--muted); margin: 0 0 16px; font-size: 16.5px; }
  .copy ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
  .copy li { padding-left: 26px; position: relative; font-size: 15px; }
  .copy li::before { content: ""; position: absolute; left: 0; top: 6px; width: 15px; height: 15px; border-radius: 50%;
                     background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23d63c2f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/11px no-repeat; }
  .card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 20px; font-size: 14px; }
  .vs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .vs .frame { white-space: pre; overflow: hidden; border-radius: 10px; background: #15151a; color: #d7d7de; font: 10.5px/1.5 "JetBrains Mono", monospace; padding: 12px; position: relative; min-height: 150px; }
  .vs .frame::after { content: "▶ 18:43"; position: absolute; right: 8px; bottom: 6px; font-size: 10px; color: #9a9aa2; }
  .vs .cap { font-size: 12px; color: var(--faint); margin: 0 0 6px; font-weight: 600; }
  .vs pre { margin: 0; background: var(--code); border-radius: 10px; padding: 12px; font: 10.5px/1.5 "JetBrains Mono", monospace; overflow: hidden; min-height: 150px; }
  .course-card .crow { display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: center; padding: 9px 4px; border-top: 1px solid var(--border); font-size: 13.5px; }
  .course-card .crow:first-of-type { border-top: 0; }
  .course-card .n { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700;
                    border: 1px solid var(--border); background: var(--bg); }
  .course-card .done .n { background: var(--accent); color: #fff; border-color: var(--accent); }
  .course-card .tag { font-size: 11.5px; color: var(--faint); white-space: nowrap; }
  .quiz .opt { border: 1px solid var(--border); border-radius: 9px; padding: 8px 11px; margin: 6px 0; font-size: 13.5px; background: var(--bg); }
  .quiz .opt.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
  .quiz .opt.wrong { border-color: var(--accent); background: var(--accent-soft); }
  .flash { margin-top: 14px; border-radius: 12px; padding: 16px; background: var(--accent-soft); text-align: center; font-weight: 600; }
  .flash small { display: block; font-weight: 400; color: var(--muted); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 4px; }

  /* Calculator */
  .calc { max-width: 760px; margin: 0 auto; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 30px; }
  .calc label { font-weight: 600; display: flex; justify-content: space-between; }
  .calc input[type=range] { width: 100%; accent-color: var(--accent); margin: 14px 0 24px; }
  .calc .out { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; text-align: center; }
  .calc .out div { background: var(--bg2); border-radius: 12px; padding: 14px 8px; }
  .calc .out b { display: block; font-size: 28px; letter-spacing: -.02em; }
  .calc .out span { font-size: 13px; color: var(--muted); }
  .calc .out .win { background: var(--accent-soft); }
  .calc .out .win b { color: var(--accent-ink); }
  .calc .fine { color: var(--faint); font-size: 12.5px; margin: 14px 0 0; text-align: center; }

  /* Comparison */
  .cmp { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; font-size: 15px; }
  .cmp th, .cmp td { padding: 13px 16px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
  .cmp tr:last-child td { border-bottom: 0; }
  .cmp th { font-size: 13.5px; color: var(--muted); font-weight: 600; background: var(--bg2); }
  .cmp th.us, .cmp td.us { background: color-mix(in srgb, var(--accent) 7%, var(--panel)); }
  .cmp th.us { color: var(--accent-ink); }
  .cmp td:first-child { font-weight: 600; }
  .cmp .no { color: var(--faint); }
  .cmp .yes { color: var(--text); }
  .table-scroll { overflow-x: auto; }

  /* Use cases */
  .uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .use { position: relative; border: 1px solid var(--border); border-radius: 18px; padding: 24px 24px 22px; background: var(--panel);
         display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s, border-color .2s; overflow: hidden; }
  .use::after { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--accent); transform: scaleX(0);
                transform-origin: left; transition: transform .3s; }
  .use:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
  .use:hover::after { transform: scaleX(1); }
  .use .top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
  .use .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; flex: none;
              background: var(--accent-soft); color: var(--accent-ink); }
  .use .who { font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
  .use h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.3; letter-spacing: -.01em; }
  .use p { margin: 0 0 18px; color: var(--muted); font-size: 15px; line-height: 1.6; }
  .use .eg { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; }
  .use .eg span { font-size: 12px; color: var(--muted); background: var(--bg2); border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; }

  /* Pricing */
  .period { display: flex; gap: 4px; width: max-content; margin: 0 auto 26px; padding: 4px; border-radius: 999px;
            background: var(--panel); border: 1px solid var(--border); box-shadow: 0 1px 2px rgba(0,0,0,.04); }
  .period[hidden] { display: none; }
  .period button { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 999px; padding: 9px 18px;
                   font: 600 14px Inter, sans-serif; color: var(--muted); background: transparent; cursor: pointer; }
  .period button:hover { color: var(--text); }
  .period button.on { background: var(--text); color: var(--bg); }
  .period .save { font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; color: var(--ok);
                  background: color-mix(in srgb, var(--ok) 15%, transparent); }
  .period button.on .save { color: #fff; background: var(--ok); }
  #pricing .y { display: none; }
  #pricing[data-period="y"] .m { display: none; }
  #pricing[data-period="y"] .y { display: inline; }
  .plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1040px; margin: 0 auto; align-items: stretch; }
  .plan { position: relative; display: flex; flex-direction: column; padding: 28px 26px 26px; border-radius: 20px;
          border: 1px solid var(--border); background: var(--panel); transition: transform .2s ease, box-shadow .2s ease; }
  .plan:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
  .plan.main { border: 2px solid var(--accent); box-shadow: var(--shadow);
               background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 6%, var(--panel)), var(--panel) 42%); }
  .plan .ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 5px 14px; border-radius: 999px;
                  background: var(--accent); color: #fff; font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
                  text-transform: uppercase; white-space: nowrap; box-shadow: 0 6px 16px -6px color-mix(in srgb, var(--accent) 70%, transparent); }
  .plan h3 { margin: 0; font-size: 20px; letter-spacing: -.01em; }
  .plan .tag { margin: 4px 0 18px; color: var(--muted); font-size: 14.5px; line-height: 1.45; }
  .plan .price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 6px; margin: 0 0 12px; }
  .plan .price .amt { font-size: 46px; font-weight: 800; letter-spacing: -.035em; line-height: 1; }
  .plan .price .unit { font-size: 15px; color: var(--muted); }
  .plan .price .gst { align-self: baseline; position: relative; top: -2px; font-size: 11px; font-weight: 700; letter-spacing: .03em;
                      color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; }
  /* the price with GST, small and friendly under the headline price: per-day first, then the full total */
  .plan .taxline { margin: 0 0 18px; padding: 9px 12px; border-radius: 12px; background: var(--bg2); color: var(--muted);
                   font-size: 13px; line-height: 1.55; min-height: 58px; }
  .plan.main .taxline { background: var(--accent-soft); }
  .plan .taxline b { color: var(--text); }
  .plan > .btn { width: 100%; justify-content: center; margin: 0 0 22px; }
  .plan ul { flex: 1; list-style: none; margin: 0; padding: 20px 0 0; border-top: 1px solid var(--border); display: grid;
             gap: 12px; align-content: start; font-size: 14.5px; line-height: 1.45; }
  .plan li { display: flex; gap: 10px; }
  .plan li::before { content: "✓"; flex: none; display: grid; place-items: center; width: 18px; height: 18px; margin-top: 1px;
                     border-radius: 50%; font-size: 11px; font-weight: 800; color: var(--ok);
                     background: color-mix(in srgb, var(--ok) 15%, transparent); }
  .plan.main li::before { color: #fff; background: var(--ok); }
  .plans-fine { max-width: 820px; margin: 22px auto 0; text-align: center; color: var(--muted); font-size: 13px; line-height: 1.6; }
  .offer { max-width: 1040px; margin: 0 auto 18px; padding: 14px 18px; border-radius: 14px; background: var(--accent-soft);
           color: var(--text); font-size: 15px; border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
           display: flex; align-items: center; gap: 20px; }
  .offer-text { flex: 1; line-height: 1.5; }
  .spots { flex: none; width: 210px; }
  .spots[hidden], .spots-limited[hidden] { display: none; }
  .spots-limited { flex: none; font-size: 14px; color: var(--muted); white-space: nowrap; }
  .spots-limited b { font-size: 20px; color: var(--accent-ink); }
  .spots-num { font-size: 13.5px; color: var(--muted); margin-bottom: 6px; white-space: nowrap; }
  .spots-num b { font-size: 22px; color: var(--accent-ink); letter-spacing: -.02em; margin-right: 2px; }
  .spots-bar { height: 8px; border-radius: 99px; background: color-mix(in srgb, var(--accent) 18%, transparent); overflow: hidden; }
  .spots-bar i { display: block; height: 100%; border-radius: 99px; background: var(--accent); }
  @media (max-width: 700px) { .offer { flex-direction: column; align-items: stretch; text-align: left; gap: 12px; } .spots { width: auto; } }
  .offer-fine { max-width: 1040px; margin: 8px auto 0; text-align: center; color: var(--muted); font-size: 13px; }
  .plan .founding { margin: 6px 0 2px; padding: 8px 10px; border-radius: 10px; font-size: 13px; line-height: 1.45; color: var(--text);
    background: color-mix(in srgb, var(--accent) 10%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); }
  .plan .you { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-ink); background: color-mix(in srgb, var(--accent) 14%, transparent); border-radius: 999px; padding: 2px 10px; margin-left: 6px; vertical-align: middle; }
  .plan.current { outline: 2px solid var(--accent); outline-offset: -2px; }

  /* FAQ */
  .faq { max-width: 780px; margin: 0 auto; }
  details { border-bottom: 1px solid var(--border); padding: 18px 4px; }
  summary { font-weight: 600; font-size: 17px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 22px; line-height: 1; }
  details[open] summary::after { content: "–"; }
  details p { color: var(--muted); margin: 10px 0 0; }

  .final { text-align: center; padding: 96px 0; background: var(--bg2); border-top: 1px solid var(--border); }
  .final h2 { margin-bottom: 12px; }
  footer { border-top: 1px solid var(--border); padding: 30px 0 44px; color: var(--faint); font-size: 13.5px; }
  footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
  footer nav { display: flex; gap: 18px; }
  footer a { text-decoration: none; color: var(--muted); }

  @media (max-width: 1000px) {
    .shot .cols { grid-template-columns: minmax(0, 1fr) 280px; }
    .shot aside { display: none; }
    .pains { grid-template-columns: repeat(2, 1fr); }
    .uses { grid-template-columns: repeat(2, 1fr); }
    .row, .row.flip { grid-template-columns: 1fr; gap: 28px; }
    .row.flip .copy { order: 0; }
  }
  .menu-btn, .nav nav .theme-m { display: none; }
  @media (max-width: 720px) {
    .menu-btn { display: grid; }
    .nav .right [data-theme-toggle] { display: none; }
    .nav nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
      padding: 6px 20px 16px; background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: 0 12px 24px rgba(0,0,0,.18); }
    .nav.open nav { display: flex; }
    .nav nav a { padding: 14px 2px; border-bottom: 1px solid var(--border); font-size: 16px; color: var(--text); }
    .nav nav .theme-m { display: grid; margin-top: 14px; }
    .cmp { font-size: 12.5px; }
    .cmp th, .cmp td { padding: 9px 8px; }
    .hero { padding-top: 48px; }
    .start { flex-direction: column; }
    .start .btn { justify-content: center; }
    .shot .cols { grid-template-columns: minmax(0, 1fr); min-height: 0; }
    .shot pre { overflow-x: auto; }
    .nav .wrap { gap: 10px; }
    .nav .right { gap: 6px; }
    .nav .right .btn.ghost { padding: 8px 10px; }
    .shot .chat { display: none; }
    .shot .lesson { padding: 18px; }
    .pop { margin-left: 0; max-width: 100%; }
    .numbers .grid { grid-template-columns: repeat(2, 1fr); }
    .pains, .uses, .plans { grid-template-columns: 1fr; }
    .plans { gap: 26px; }
    .plan.main { order: -1; }  /* phones: the recommended plan first */
    .plan .tag { min-height: 0; }
    .vs { grid-template-columns: 1fr; }
    .calc { padding: 20px; }
    .calc .out b { font-size: 22px; }
    section { padding: 64px 0; }
    .rows { gap: 64px; }
  }