:root {
      /* day */
      --ink: #1a1d31;
      --ink-soft: #575b74;
      --paper: #f7f5ef;
      --paper-2: #efece2;
      --card: #fffdf8;
      --line: rgba(26, 29, 49, .13);
      /* night */
      --night: #101228;
      --night-2: #171a38;
      --night-3: #1e2246;
      --night-ink: #eef0ff;
      --night-soft: #a0a5c8;
      --night-line: rgba(230, 234, 255, .13);
      /* accents */
      --amber: #ffb648;
      --amber-deep: #e2921f;
      --peri: #8d95ff;
      --peri-deep: #6d76e8;
      --green: #46c98e;
      --green-deep: #2fa571;
      --rose: #ff8e7a;
      /* type */
      --display: "Bricolage Grotesque", "Instrument Sans", sans-serif;
      --body: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
      --mono: "Spline Sans Mono", ui-monospace, monospace;
      --max: 1140px;
      --r-sm: 10px;
      --r-md: 18px;
      --r-lg: 28px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--body);
      color: var(--ink);
      background: var(--night);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    img, svg { display: block; max-width: 100%; }
    section { scroll-margin-top: 84px; }
    ::selection { background: rgba(255, 182, 72, .35); }

    .wrap { width: min(calc(100% - 44px), var(--max)); margin-inline: auto; }
    .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; }

    .mono-tag {
      font-family: var(--mono);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .14em;
      text-transform: uppercase;
    }

    /* ---------- reveal on scroll ---------- */
    .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,.7,.3,1), transform .7s cubic-bezier(.22,.7,.3,1); }
    .reveal.visible { opacity: 1; transform: none; }
    .reveal-d1 { transition-delay: .12s; }
    .reveal-d2 { transition-delay: .24s; }
    .reveal-d3 { transition-delay: .36s; }

    /* ---------- nav ---------- */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 60;
      transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
      border-bottom: 1px solid transparent;
    }
    nav .wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 66px;
    }
    nav.on-day {
      background: rgba(247, 245, 239, .86);
      backdrop-filter: blur(14px);
      border-bottom-color: var(--line);
    }
    nav.on-day .nav-links a, nav.on-day .brand-name { color: var(--ink); }
    nav.on-night {
      background: rgba(16, 18, 40, .7);
      backdrop-filter: blur(14px);
      border-bottom-color: var(--night-line);
    }
    .brand { display: inline-flex; align-items: center; gap: 10px; }
    .brand-mark {
      width: 32px; height: 32px; border-radius: 9px;
      display: grid; place-items: center;
      background: var(--night-2);
      border: 1px solid var(--night-line);
      flex: none;
    }
    nav.on-day .brand-mark { background: var(--ink); border-color: var(--ink); }
    .brand-name {
      font-family: var(--display);
      font-weight: 700;
      font-size: 17px;
      color: var(--night-ink);
      letter-spacing: -.01em;
      display: flex; flex-direction: column; line-height: 1.05;
    }
    .brand-name small {
      font-family: var(--mono);
      font-weight: 500;
      font-size: 9px;
      letter-spacing: .16em;
      color: var(--night-soft);
      margin-top: 3px;
    }
    nav.on-day .brand-name small { color: var(--ink-soft); }
    .nav-links { display: flex; align-items: center; gap: 26px; }
    .nav-links a {
      font-size: 14.5px; font-weight: 500;
      color: var(--night-soft);
      transition: color .2s ease;
    }
    .nav-links a:hover { color: var(--amber); }
    nav.on-day .nav-links a:hover { color: var(--amber-deep); }
    .nav-cta {
      font-weight: 600;
      font-size: 14.5px;
      padding: 9px 18px;
      border-radius: 999px;
      background: var(--amber);
      color: #1e1503 !important;
      transition: transform .15s ease, box-shadow .2s ease;
      box-shadow: 0 4px 18px rgba(255, 182, 72, .25);
    }
    .nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 26px rgba(255, 182, 72, .38); color: #1e1503; }
    @media (max-width: 780px) { .nav-links a:not(.nav-cta) { display: none; } }

    /* ---------- hero (night) ---------- */
    .hero {
      position: relative;
      background:
        radial-gradient(1100px 520px at 82% -10%, rgba(141, 149, 255, .16), transparent 60%),
        radial-gradient(800px 420px at 8% 110%, rgba(255, 182, 72, .09), transparent 62%),
        var(--night);
      color: var(--night-ink);
      padding: 138px 0 96px;
      overflow: hidden;
    }
    .stars { position: absolute; inset: 0; pointer-events: none; }
    .stars span {
      position: absolute;
      width: 2px; height: 2px; border-radius: 50%;
      background: rgba(238, 240, 255, .8);
      animation: twinkle 4.2s ease-in-out infinite;
    }
    @keyframes twinkle { 0%,100% { opacity: .12; } 50% { opacity: .8; } }
    .hero .wrap {
      position: relative; z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
      gap: 58px;
      align-items: center;
    }
    @media (max-width: 940px) { .hero .wrap { grid-template-columns: 1fr; gap: 52px; } .hero { padding-top: 116px; } }

    .hero-eyebrow {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--amber);
      margin-bottom: 22px;
    }
    .hero-eyebrow .dot {
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--amber);
      box-shadow: 0 0 0 0 rgba(255,182,72,.5);
      animation: pulse 2.4s ease-out infinite;
    }
    @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,182,72,.5); } 70% { box-shadow: 0 0 0 11px rgba(255,182,72,0); } 100% { box-shadow: 0 0 0 0 rgba(255,182,72,0); } }

    h1 {
      font-family: var(--display);
      font-size: clamp(40px, 5.4vw, 62px);
      font-weight: 800;
      line-height: 1.02;
      letter-spacing: -.028em;
      margin: 0 0 22px;
    }
    h1 .h1-quiet { color: var(--night-soft); font-weight: 600; }
    h1 .h1-amber {
      color: var(--amber);
      position: relative;
      white-space: nowrap;
    }
    h1 .h1-amber::after {
      content: "";
      position: absolute; left: 2px; right: 2px; bottom: 4px;
      height: 9px;
      background: rgba(255, 182, 72, .22);
      border-radius: 4px;
      z-index: -1;
    }
    .hero-sub {
      font-size: 18px;
      color: var(--night-soft);
      max-width: 46ch;
      margin: 0 0 30px;
    }
    .hero-sub strong { color: var(--night-ink); font-weight: 600; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 9px;
      background: var(--amber);
      color: #1e1503;
      font-weight: 700;
      font-size: 16px;
      padding: 14px 26px;
      border: none;
      border-radius: 999px;
      cursor: pointer;
      transition: transform .15s ease, box-shadow .25s ease;
      box-shadow: 0 10px 32px rgba(255, 182, 72, .28);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(255, 182, 72, .4); }
    .btn-ghost {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--night-ink);
      font-weight: 600; font-size: 15.5px;
      padding: 13px 20px;
      border-radius: 999px;
      border: 1px solid var(--night-line);
      transition: border-color .2s ease, background .2s ease;
    }
    .btn-ghost:hover { border-color: rgba(238,240,255,.4); background: rgba(238,240,255,.05); }
    .hero-proof {
      margin-top: 26px;
      font-family: var(--mono);
      font-size: 12px;
      letter-spacing: .06em;
      color: var(--night-soft);
      display: flex; flex-wrap: wrap; gap: 8px 20px;
    }
    .hero-proof span { display: inline-flex; align-items: center; gap: 7px; }
    .hero-proof svg { width: 13px; height: 13px; color: var(--green); flex: none; }

    /* ---------- hero demo: the thread timeline ---------- */
    .demo {
      position: relative;
      background: linear-gradient(180deg, var(--night-2), var(--night-3));
      border: 1px solid var(--night-line);
      border-radius: var(--r-lg);
      padding: 22px 22px 26px;
      box-shadow: 0 40px 110px rgba(4, 6, 24, .6);
    }
    .demo::before {
      content: "";
      position: absolute; inset: -1px;
      border-radius: inherit;
      padding: 1px;
      background: linear-gradient(140deg, rgba(255,182,72,.35), transparent 30%, transparent 70%, rgba(141,149,255,.3));
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      pointer-events: none;
    }
    .demo-head {
      display: flex; align-items: center; justify-content: space-between;
      gap: 12px;
      padding: 2px 4px 16px;
    }
    .demo-title {
      font-family: var(--mono);
      font-size: 11.5px;
      font-weight: 600;
      letter-spacing: .14em;
      color: var(--night-soft);
      text-transform: uppercase;
      display: inline-flex; align-items: center; gap: 9px;
    }
    .demo-title .agent-dot {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--green);
      animation: pulse-g 2.2s ease-out infinite;
    }
    @keyframes pulse-g { 0% { box-shadow: 0 0 0 0 rgba(70,201,142,.45); } 70% { box-shadow: 0 0 0 9px rgba(70,201,142,0); } 100% { box-shadow: 0 0 0 0 rgba(70,201,142,0); } }
    .demo-subject {
      font-size: 13.5px; font-weight: 600; color: var(--night-ink);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }

    /* day rail */
    .rail {
      display: grid;
      grid-template-columns: repeat(8, 1fr);
      gap: 4px;
      margin-bottom: 18px;
      padding: 0 4px;
    }
    .rail-day { text-align: center; }
    .rail-day .tick {
      height: 4px; border-radius: 3px;
      background: rgba(238,240,255,.12);
      overflow: hidden;
      position: relative;
    }
    .rail-day .tick::after {
      content: "";
      position: absolute; inset: 0;
      background: var(--amber);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .5s linear;
    }
    .rail-day.filled .tick::after { transform: scaleX(1); }
    .rail-day.replied .tick::after { background: var(--green); }
    .rail-day .lbl {
      font-family: var(--mono);
      font-size: 9.5px;
      letter-spacing: .08em;
      color: var(--night-soft);
      margin-top: 6px;
      opacity: .7;
    }
    .rail-day.today .lbl { color: var(--amber); opacity: 1; font-weight: 600; }
    .rail-day.replied.today .lbl { color: var(--green); }

    /* thread */
    .thread { display: flex; flex-direction: column; gap: 12px; min-height: 380px; }
    .msg {
      display: flex; gap: 12px;
      opacity: 0;
      transform: translateY(14px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .msg.show { opacity: 1; transform: none; }
    .avatar {
      width: 34px; height: 34px; border-radius: 50%;
      display: grid; place-items: center;
      font-family: var(--mono); font-size: 12px; font-weight: 600;
      flex: none;
      margin-top: 2px;
    }
    .avatar.you { background: rgba(141,149,255,.18); color: var(--peri); border: 1px solid rgba(141,149,255,.35); }
    .avatar.them { background: rgba(255,142,122,.16); color: var(--rose); border: 1px solid rgba(255,142,122,.32); }
    .avatar.agent { background: rgba(255,182,72,.16); color: var(--amber); border: 1px solid rgba(255,182,72,.38); }
    .bubble { flex: 1; min-width: 0; }
    .bubble-meta {
      display: flex; align-items: baseline; gap: 10px;
      margin-bottom: 5px;
    }
    .bubble-meta strong { font-size: 13px; color: var(--night-ink); font-weight: 600; }
    .bubble-meta .stamp {
      font-family: var(--mono); font-size: 10.5px;
      letter-spacing: .1em; color: var(--night-soft);
    }
    .bubble-body {
      background: rgba(238,240,255,.05);
      border: 1px solid var(--night-line);
      border-radius: 4px 14px 14px 14px;
      padding: 11px 14px;
      font-size: 13.5px;
      line-height: 1.55;
      color: rgba(238,240,255,.88);
    }
    .msg.is-agent .bubble-body {
      background: rgba(255,182,72,.07);
      border-color: rgba(255,182,72,.3);
    }
    .msg.is-reply .bubble-body {
      background: rgba(70,201,142,.08);
      border-color: rgba(70,201,142,.35);
    }
    .agent-chip {
      display: inline-flex; align-items: center; gap: 6px;
      font-family: var(--mono); font-size: 9.5px; font-weight: 600;
      letter-spacing: .12em; text-transform: uppercase;
      color: var(--amber);
      background: rgba(255,182,72,.1);
      border: 1px solid rgba(255,182,72,.3);
      border-radius: 999px;
      padding: 3px 9px;
      margin-left: auto;
    }
    .bubble-meta { flex-wrap: wrap; }

    /* the silence gap */
    .silence {
      display: flex; align-items: center; gap: 14px;
      padding-left: 16px;
      height: 0;
      opacity: 0;
      overflow: hidden;
      transition: height .9s cubic-bezier(.3,.6,.2,1), opacity .5s ease;
    }
    .silence.open { height: 54px; opacity: 1; }
    .silence.wide { height: 76px; }
    .silence-line {
      width: 2px; align-self: stretch;
      background-image: linear-gradient(var(--night-soft) 42%, transparent 0%);
      background-size: 2px 9px;
      opacity: .45;
      margin-left: 15px;
    }
    .silence-label {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .12em;
      color: var(--night-soft);
      text-transform: uppercase;
    }
    .silence-label b { color: var(--rose); font-weight: 600; }

    /* result stamp */
    .result {
      margin-top: 4px;
      align-self: center;
      display: inline-flex; align-items: center; gap: 10px;
      font-family: var(--mono);
      font-size: 12px; font-weight: 600;
      letter-spacing: .14em; text-transform: uppercase;
      color: var(--green);
      background: rgba(70,201,142,.1);
      border: 1px solid rgba(70,201,142,.4);
      border-radius: 999px;
      padding: 9px 20px;
      opacity: 0; transform: scale(.85) rotate(-2deg);
      transition: opacity .45s ease, transform .45s cubic-bezier(.2,1.6,.4,1);
    }
    .result.show { opacity: 1; transform: scale(1) rotate(-2deg); }
    .typing {
      display: inline-flex; gap: 4px; align-items: center;
      padding: 4px 2px;
    }
    .typing i {
      width: 5px; height: 5px; border-radius: 50%;
      background: var(--night-soft);
      animation: blink 1.1s infinite;
    }
    .typing i:nth-child(2) { animation-delay: .18s; }
    .typing i:nth-child(3) { animation-delay: .36s; }
    @keyframes blink { 0%,80%,100% { opacity: .25; } 40% { opacity: 1; } }

    /* ---------- dawn divider ---------- */
    .dawn {
      height: 130px;
      background: linear-gradient(180deg, var(--night) 0%, #2b2a52 30%, #8a6a80 58%, #d9a76e 78%, var(--paper) 100%);
      position: relative;
    }
    .dawn::after {
      content: "";
      position: absolute; left: 50%; bottom: -26px;
      width: 92px; height: 92px;
      transform: translateX(-50%);
      border-radius: 50%;
      background: radial-gradient(circle at 50% 42%, #ffd98f, var(--amber) 62%, rgba(255,182,72,0) 72%);
      filter: blur(1px);
      opacity: .9;
    }
    .dawn .mono-tag {
      position: absolute; left: 50%; top: 38px;
      transform: translateX(-50%);
      color: rgba(238,240,255,.65);
    }

    /* ---------- day sections ---------- */
    .day { background: var(--paper); color: var(--ink); }
    .section { padding: 92px 0; }
    .section.tint { background: var(--paper-2); }
    .sec-head { max-width: 640px; margin-bottom: 54px; }
    .sec-head .mono-tag { color: var(--amber-deep); display: block; margin-bottom: 14px; }
    h2 {
      font-family: var(--display);
      font-size: clamp(29px, 3.6vw, 42px);
      font-weight: 800;
      letter-spacing: -.024em;
      line-height: 1.08;
      margin: 0 0 16px;
    }
    .sec-head p { color: var(--ink-soft); font-size: 17px; margin: 0; }

    /* ---------- how it works: timeline ---------- */
    .timeline {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
      position: relative;
    }
    @media (max-width: 880px) { .timeline { grid-template-columns: 1fr; } }
    .step {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      padding: 26px 24px 24px;
      position: relative;
      transition: transform .25s ease, box-shadow .25s ease;
    }
    .step:hover { transform: translateY(-4px); box-shadow: 0 22px 50px rgba(26,29,49,.1); }
    .step .when {
      font-family: var(--mono);
      font-size: 11px; font-weight: 600;
      letter-spacing: .14em;
      color: var(--amber-deep);
      background: rgba(255,182,72,.14);
      border: 1px solid rgba(226,146,31,.3);
      border-radius: 999px;
      padding: 4px 11px;
      display: inline-block;
      margin-bottom: 16px;
    }
    .step h3 {
      font-family: var(--display);
      font-size: 21px; font-weight: 700;
      letter-spacing: -.015em;
      margin: 0 0 9px;
    }
    .step p { color: var(--ink-soft); font-size: 15px; margin: 0; }
    .step p b { color: var(--ink); font-weight: 600; }

    /* ---------- smart timing widget ---------- */
    .composer-grid {
      display: grid;
      grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
      gap: 54px;
      align-items: center;
    }
    @media (max-width: 900px) { .composer-grid { grid-template-columns: 1fr; gap: 40px; } }
    .composer-copy h2 { max-width: 16ch; }
    .composer-copy p { color: var(--ink-soft); font-size: 16.5px; max-width: 52ch; }
    .composer-copy p b { color: var(--ink); font-weight: 600; }
    .composer-copy .fine {
      font-size: 14px;
      color: var(--ink-soft);
      border-left: 3px solid var(--amber);
      padding-left: 14px;
      margin-top: 22px;
    }
    .composer {
      background: var(--ink);
      color: var(--night-ink);
      border-radius: var(--r-lg);
      padding: 24px;
      box-shadow: 0 34px 80px rgba(26,29,49,.28);
    }
    .panel-lbl {
      font-family: var(--mono);
      font-size: 10.5px; font-weight: 600;
      letter-spacing: .16em; text-transform: uppercase;
      color: var(--night-soft);
      margin: 2px 4px 9px;
      display: flex; align-items: center; gap: 8px;
    }
    .panel-lbl::after { content: ""; flex: 1; height: 1px; background: var(--night-line); }
    .signal-card {
      background: var(--night-2);
      border: 1px solid var(--night-line);
      border-radius: var(--r-md);
      padding: 14px 16px;
      font-size: 13.5px;
      line-height: 1.55;
      color: rgba(238,240,255,.88);
      min-height: 72px;
      transition: opacity .3s ease, transform .3s ease;
    }
    .signal-card.swap { opacity: 0; transform: translateY(6px); }
    .signal-card .from {
      font-family: var(--mono); font-size: 10.5px;
      letter-spacing: .1em; text-transform: uppercase;
      color: var(--rose);
      display: block; margin-bottom: 6px;
    }
    .signal-card.is-quiet { border-style: dashed; color: var(--night-soft); font-style: italic; }
    .signal-card.is-quiet .from { color: var(--night-soft); }
    .plan-arrow {
      display: flex; justify-content: center;
      padding: 8px 0;
      color: var(--amber);
    }
    .plan-card {
      background: rgba(255,182,72,.07);
      border: 1px solid rgba(255,182,72,.32);
      border-radius: var(--r-md);
      padding: 8px 16px 12px;
      transition: opacity .3s ease, transform .3s ease;
    }
    .plan-card.swap { opacity: 0; transform: translateY(6px); }
    .plan-card.replied { background: rgba(70,201,142,.08); border-color: rgba(70,201,142,.4); }
    .plan-row {
      display: flex; gap: 14px; align-items: baseline;
      padding: 8px 0;
      font-size: 13.5px;
      border-bottom: 1px solid rgba(238,240,255,.07);
    }
    .plan-row:last-child { border-bottom: none; }
    .plan-row .k {
      font-family: var(--mono); font-size: 10.5px; font-weight: 600;
      letter-spacing: .1em; text-transform: uppercase;
      color: var(--night-soft);
      width: 92px; flex: none;
    }
    .plan-row .v { color: var(--night-ink); }
    .plan-row .v.hot { color: var(--amber); font-weight: 600; }
    .plan-card.replied .plan-row .v.hot { color: var(--green); }
    .chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
    .chip {
      font-family: var(--mono);
      font-size: 12.5px; font-weight: 500;
      color: var(--night-ink);
      background: rgba(238,240,255,.07);
      border: 1px solid var(--night-line);
      border-radius: 999px;
      padding: 7px 15px;
      cursor: pointer;
      transition: border-color .2s ease, background .2s ease, color .2s ease;
    }
    .chip:hover { border-color: rgba(255,182,72,.5); }
    .chip.active {
      background: rgba(255,182,72,.14);
      border-color: var(--amber);
      color: var(--amber);
    }
    .composer-note {
      margin: 16px 4px 0;
      font-size: 12.5px;
      color: var(--night-soft);
    }

    /* ---------- features ---------- */
    .feat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    @media (max-width: 940px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 620px) { .feat-grid { grid-template-columns: 1fr; } }
    .feat {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      padding: 24px 22px;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .feat:hover { transform: translateY(-4px); box-shadow: 0 20px 46px rgba(26,29,49,.1); border-color: rgba(226,146,31,.4); }
    .feat-icon {
      width: 40px; height: 40px;
      border-radius: 11px;
      display: grid; place-items: center;
      background: var(--ink);
      color: var(--amber);
      margin-bottom: 16px;
    }
    .feat-icon svg { width: 20px; height: 20px; }
    .feat h3 { font-family: var(--display); font-size: 18.5px; font-weight: 700; letter-spacing: -.012em; margin: 0 0 7px; }
    .feat p { font-size: 14.5px; color: var(--ink-soft); margin: 0; }

    /* ---------- use cases ---------- */
    .cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    @media (max-width: 780px) { .cases { grid-template-columns: 1fr; } }
    .case {
      display: flex; gap: 16px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      padding: 22px;
    }
    .case .who {
      font-family: var(--mono);
      font-size: 10.5px; font-weight: 600;
      letter-spacing: .13em;
      text-transform: uppercase;
      color: var(--peri-deep);
      writing-mode: vertical-rl;
      transform: rotate(180deg);
      border-left: 2px solid rgba(109,118,232,.35);
      padding-left: 10px;
      flex: none;
      align-self: stretch;
      display: flex; align-items: center;
    }
    .case h3 { font-family: var(--display); font-size: 18px; font-weight: 700; margin: 0 0 6px; letter-spacing: -.012em; }
    .case p { font-size: 14.5px; color: var(--ink-soft); margin: 0; }

    /* ---------- snoooz strip ---------- */
    .snoooz-strip {
      display: flex; align-items: center; gap: 26px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 30px 34px;
    }
    @media (max-width: 700px) { .snoooz-strip { flex-direction: column; text-align: center; } }
    .snoooz-strip .zz {
      font-family: var(--display);
      font-weight: 800;
      font-size: 30px;
      letter-spacing: -.04em;
      color: var(--paper);
      background: var(--ink);
      border-radius: 16px;
      width: 62px; height: 62px;
      display: grid; place-items: center;
      flex: none;
    }
    .snoooz-strip h3 { font-family: var(--display); font-size: 20px; font-weight: 700; margin: 0 0 5px; letter-spacing: -.014em; }
    .snoooz-strip p { margin: 0; font-size: 14.5px; color: var(--ink-soft); max-width: 62ch; }
    .snoooz-strip a { color: var(--amber-deep); font-weight: 600; }
    .snoooz-strip a:hover { text-decoration: underline; }

    /* ---------- faq ---------- */
    .faq-list { max-width: 760px; }
    details {
      border-bottom: 1px solid var(--line);
    }
    summary {
      list-style: none;
      cursor: pointer;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      padding: 20px 4px;
      font-family: var(--display);
      font-size: 17.5px; font-weight: 600;
      letter-spacing: -.01em;
    }
    summary::-webkit-details-marker { display: none; }
    summary .plus {
      font-family: var(--mono);
      color: var(--amber-deep);
      font-size: 18px;
      transition: transform .25s ease;
      flex: none;
    }
    details[open] summary .plus { transform: rotate(45deg); }
    details .answer { padding: 0 4px 22px; color: var(--ink-soft); font-size: 15.5px; max-width: 66ch; }

    /* ---------- night cta ---------- */
    .dusk {
      height: 110px;
      background: linear-gradient(180deg, var(--paper) 0%, #c4a184 26%, #6a5573 58%, var(--night) 100%);
    }
    .cta {
      background:
        radial-gradient(900px 420px at 50% -20%, rgba(141,149,255,.14), transparent 60%),
        var(--night);
      color: var(--night-ink);
      padding: 96px 0 110px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta .mono-tag { color: var(--amber); display: block; margin-bottom: 18px; }
    .cta h2 { max-width: 22ch; margin-inline: auto; }
    .cta .cta-sub { color: var(--night-soft); font-size: 17px; max-width: 52ch; margin: 0 auto 34px; }
    .waitlist {
      display: flex; gap: 10px;
      max-width: 480px;
      margin: 0 auto;
    }
    @media (max-width: 540px) { .waitlist { flex-direction: column; } }
    .waitlist input {
      flex: 1;
      background: rgba(238,240,255,.06);
      border: 1px solid var(--night-line);
      border-radius: 999px;
      color: var(--night-ink);
      padding: 14px 22px;
      font-size: 15.5px;
      outline: none;
      transition: border-color .2s ease;
    }
    .waitlist input::placeholder { color: var(--night-soft); }
    .waitlist input:focus { border-color: var(--amber); }
    .form-note {
      margin-top: 16px;
      font-family: var(--mono);
      font-size: 11.5px;
      letter-spacing: .08em;
      color: var(--night-soft);
    }
    .form-note.ok { color: var(--green); }

    /* ---------- footer ---------- */
    footer {
      background: var(--night);
      color: var(--night-soft);
      border-top: 1px solid var(--night-line);
      padding: 30px 0 38px;
    }
    footer .wrap {
      display: flex; flex-wrap: wrap; align-items: center;
      justify-content: space-between; gap: 16px;
      font-size: 13.5px;
    }
    footer .foot-links { display: flex; gap: 22px; }
    footer a:hover { color: var(--amber); }

    /* ---------- focus & motion ---------- */
    a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible, .chip:focus-visible {
      outline: 2px solid var(--amber);
      outline-offset: 3px;
      border-radius: 6px;
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      html { scroll-behavior: auto; }
      .reveal { opacity: 1; transform: none; }
    }