:root {
    --bg: #161616;
    --raised: #212121;
    --raised-2: #292929;
    --line: #313131;
    --line-soft: #2a2a2a;
    --ink: #fafafa;
    --dim: #9a9a9a;
    --faint: #6e6e6e;
    --orange: #ff8a00;
    --grad: linear-gradient(100deg, #ffc24d 0%, #ff9d2b 45%, #ff7a00 100%);
    --on-grad: #201200;
    --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
    --z-nav: 10;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
  html, body { overflow-x: clip; }
  section, header.hero { scroll-margin-top: 76px; }
  :focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 6px; }
  .pill:focus-visible { outline-offset: 2px; }
  body {
    background: var(--bg);
    color: var(--ink);
    font: 400 1.0625rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; }
  h1, h2, h3 { text-wrap: balance; font-style: normal; }
  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
  .skip {
    position: absolute; left: -9999px; top: 0; z-index: 20;
    background: var(--grad); color: var(--on-grad); padding: 10px 16px;
    border-radius: 0 0 12px 0; font-weight: 600; text-decoration: none;
  }
  .skip:focus { left: 0; }


  /* ---------- nav ---------- */
  nav {
    position: sticky; top: 0; z-index: var(--z-nav);
    background: rgba(22,22,22,0.85);
    backdrop-filter: saturate(1.4) blur(16px);
    -webkit-backdrop-filter: saturate(1.4) blur(16px);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-inner {
    display: flex; align-items: center; gap: 20px; position: relative;
    padding: 13px 24px; max-width: 1240px; margin: 0 auto;
  }
  .nav-center {
    position: absolute; left: 50%; transform: translateX(-50%);
    display: flex; align-items: center; gap: 26px;
  }
  .nav-center > a, .nav-center summary {
    text-decoration: none; color: var(--dim); font-size: 0.95rem; font-weight: 500;
    cursor: pointer; list-style: none;
  }
  .nav-center > a:hover, .nav-center summary:hover { color: var(--ink); }
  .nav-center a.app-link { color: var(--orange); font-weight: 650; }
  .nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
  .icon-circle {
    width: 36px; height: 36px; border-radius: 999px;
    background: var(--raised); border: 1px solid var(--line);
    display: grid; place-items: center; color: var(--dim); text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
  }
  .icon-circle:hover { color: var(--ink); border-color: #3a3a3a; }
  .icon-circle svg { width: 16px; height: 16px; fill: currentColor; }
  .pill.white { background: #ffffff; color: #111111; }
  .pill.white:hover { filter: brightness(0.94); }

  /* Resources dropdown */
  .dropdown { position: relative; }
  .dropdown summary::-webkit-details-marker { display: none; }
  .dropdown summary::after { content: " ⌄"; font-size: 0.8em; }
  .dropdown-panel {
    position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%);
    background: #161616; border: 1px solid var(--line); border-radius: 18px;
    padding: 14px; width: 340px; box-shadow: 0 24px 70px rgba(0,0,0,0.55);
    display: flex; flex-direction: column; gap: 4px; z-index: 20;
  }
  .menu-label {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--faint); padding: 6px 10px 4px;
  }
  .menu-row {
    display: flex; align-items: center; gap: 14px; text-decoration: none;
    padding: 10px; border-radius: 12px;
  }
  .menu-row:hover { background: var(--raised); }
  .menu-row .tile {
    width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
    background: var(--raised); border: 1px solid var(--line);
    display: grid; place-items: center; color: var(--dim); font-size: 1.05rem;
  }
  .menu-row b { display: block; font-size: 0.98rem; font-weight: 650; color: var(--ink); }
  .menu-row span { display: block; font-size: 0.85rem; color: var(--dim); }
  .wordmark { display: flex; align-items: center; gap: 9px; font-weight: 700; text-decoration: none; font-size: 1.15rem; letter-spacing: -0.01em; }
  .wordmark::before { content: ""; width: 11px; height: 11px; border-radius: 999px; background: var(--ink); }

  .pill {
    white-space: nowrap; display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none; font-weight: 700;
    background: var(--grad); color: var(--on-grad);
    padding: 10px 22px; border-radius: 999px; font-size: 0.98rem;
    transition: filter 0.15s ease, transform 0.15s ease;
  }
  .pill:hover { filter: brightness(1.06); }
  .pill:active { transform: scale(0.98); }
  .pill.big { padding: 14px 30px; font-size: 1.05rem; }
  .pill.glow { box-shadow: 0 0 40px rgba(255,138,0,0.35); }

  /* ---------- hero ---------- */
  header.hero { padding: 96px 0 64px; text-align: center; }
  .hero h1 {
    font-size: clamp(2.8rem, 6.5vw, 4.6rem);
    line-height: 1.04; letter-spacing: -0.028em; font-weight: 800;
  }
  .hero p.lede {
    margin: 22px auto 44px; color: var(--dim); font-size: 1.3rem;
    max-width: 44rem; line-height: 1.5; font-weight: 400;
  }

  /* composer centerpiece */
  .composer {
    max-width: 780px; margin: 0 auto; text-align: left; position: relative;
    background: var(--raised); border: 1px solid var(--line);
    border-radius: 26px; padding: 22px 22px 16px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  }
  .composer textarea {
    width: 100%; background: transparent; border: 0; resize: none;
    color: var(--ink); font: inherit; font-size: 1.1rem; line-height: 1.5;
    min-height: 64px; outline: none; display: block;
  }
  .composer textarea::placeholder { color: var(--faint); }
  .composer-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
  .mini-pill {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--raised-2); border: 1px solid var(--line);
    color: var(--dim); border-radius: 999px; padding: 7px 14px;
    font-size: 0.87rem; font-weight: 600;
  }
  .composer-row .go {
    margin-left: auto; border: 0; cursor: pointer;
    width: 40px; height: 40px; border-radius: 999px;
    background: var(--grad); color: var(--on-grad);
    display: grid; place-items: center; font-size: 1.1rem; font-weight: 800;
    transition: filter 0.15s ease, opacity 0.15s ease;
  }
  .composer-row .go:disabled { background: var(--raised-2); color: var(--faint); cursor: default; }
  .composer-row .go:not(:disabled):hover { filter: brightness(1.08); }

  .chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 26px auto 0; max-width: 780px; }
  .chip {
    display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
    background: var(--raised); border: 1px solid var(--line);
    color: var(--ink); border-radius: 999px; padding: 10px 18px;
    font: inherit; font-size: 0.93rem; font-weight: 600;
    transition: border-color 0.15s ease, background 0.15s ease;
  }
  .chip:hover { border-color: #3d3d3d; background: var(--raised-2); }
  .chip .dot {
    width: 22px; height: 22px; border-radius: 999px; display: grid; place-items: center;
    background: var(--grad); color: var(--on-grad); font-size: 0.7rem;
  }
  .chips-more { display: flex; justify-content: center; margin-top: 10px; }
  .hero-note { margin-top: 30px; color: var(--faint); font-size: 0.9rem; font-family: var(--mono); }

  /* ---------- projects grid (proof) ---------- */
  section { padding: 84px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head.center { text-align: center; }
  .section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -0.022em; font-weight: 800; line-height: 1.12; }
  .section-head p { margin: 12px auto 0; color: var(--dim); max-width: 40rem; font-size: 1.05rem; }
  .cards {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 230px));
    gap: 26px 22px; justify-content: center;
  }
  .card { min-width: 0; margin: 0; }
  .card .shot {
    background: var(--raised); border: 1px solid var(--line-soft); border-radius: 20px;
    overflow: hidden;
  }
  .card img { width: 100%; height: auto; display: block; }
  .card-meta {
    display: flex; align-items: center; gap: 8px; padding: 11px 4px 0;
  }
  .card-meta b { font-size: 0.94rem; font-weight: 600; }
  .card-meta span { margin-left: auto; color: var(--faint); font-size: 0.85rem; }
  .cards-note { text-align: center; margin-top: 24px; color: var(--faint); font-size: 0.9rem; }
  .cards-note .q { color: var(--dim); font-family: var(--mono); font-size: 0.85rem; }
  .cards-note .q::before { content: "“"; color: var(--orange); }
  .cards-note .q::after { content: "”"; color: var(--orange); }

  /* ---------- how it works ---------- */
  .steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .step {
    background: var(--raised); border: 1px solid var(--line-soft);
    border-radius: 18px; padding: 26px 24px;
  }
  .step h3 { font-size: 1.08rem; margin-bottom: 8px; font-weight: 700; }
  .step .n {
    display: inline-grid; place-items: center; width: 30px; height: 30px;
    background: var(--grad); color: var(--on-grad); border-radius: 10px;
    font-family: var(--mono); font-size: 0.9rem; font-weight: 700; margin-bottom: 16px;
  }
  .step p { color: var(--dim); font-size: 0.95rem; }
  figure.run { margin-top: 22px; }
  pre.run, pre.tree {
    font-family: var(--mono); font-size: 0.88rem; line-height: 1.85; color: var(--dim);
    background: var(--raised); border: 1px solid var(--line-soft); border-radius: 18px;
    padding: 24px 28px; overflow-x: auto;
  }
  pre.run .ok { color: #7fc86f; }
  pre.run .em { color: var(--orange); }
  pre.run .err { color: #e0705e; }
  pre .c { color: var(--faint); }
  pre.tree .d { color: var(--orange); }
  figure.run figcaption { margin-top: 12px; color: var(--faint); font-size: 0.88rem; text-align: center; }

  /* ---------- ownership ---------- */
  .own-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
  .own-list { list-style: none; display: grid; gap: 18px; }
  .own-list li { padding-left: 34px; position: relative; color: var(--dim); font-size: 1rem; }
  .own-list li::before {
    content: "✓"; position: absolute; left: 0; top: 1px;
    width: 22px; height: 22px; border-radius: 8px;
    background: var(--grad); color: var(--on-grad);
    display: grid; place-items: center; font-size: 0.8rem; font-weight: 800;
  }
  .own-list li strong { color: var(--ink); font-weight: 650; }

  /* ---------- guardrails ---------- */
  dl.rails { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  dl.rails > div {
    background: var(--raised); border: 1px solid var(--line-soft);
    border-radius: 18px; padding: 24px;
  }
  dl.rails dt { font-weight: 700; margin-bottom: 6px; font-size: 1.02rem; }
  dl.rails dd { color: var(--dim); font-size: 0.94rem; }

  /* ---------- pricing ---------- */
  .tiers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .tier {
    background: var(--raised); border: 1px solid var(--line-soft); border-radius: 18px;
    padding: 26px 24px; display: flex; flex-direction: column; gap: 4px;
  }
  .tier.accent { border-color: rgba(255,138,0,0.55); }
  .tier h3 { font-size: 0.98rem; font-weight: 700; }
  .tier .price { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin-top: 6px; }
  .tier .price small { font-size: 0.9rem; font-weight: 500; color: var(--faint); letter-spacing: 0; }
  .tier .credits { font-family: var(--mono); font-size: 0.84rem; color: var(--orange); margin: 6px 0 14px; }
  .tier p { color: var(--dim); font-size: 0.9rem; flex-grow: 1; }
  .pack {
    margin-top: 16px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
    background: var(--raised); border: 1px solid var(--line-soft); border-radius: 18px; padding: 18px 24px;
  }
  .pack .credits { font-family: var(--mono); font-size: 0.85rem; color: var(--orange); }
  .pack p { color: var(--dim); font-size: 0.9rem; flex: 1; min-width: 200px; }
  .price-note { margin-top: 22px; color: var(--faint); font-size: 0.9rem; font-family: var(--mono); text-align: center; }

  /* ---------- faq ---------- */
  .faq { max-width: 46rem; margin: 0 auto; }
  .faq details { border-bottom: 1px solid var(--line-soft); }
  .faq summary {
    cursor: pointer; padding: 18px 0; font-weight: 650; font-size: 1.02rem;
    list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+" / ""; color: var(--orange); font-family: var(--mono); font-size: 1.1rem; flex-shrink: 0; }
  .faq details[open] summary::after { content: "\2212" / ""; }
  .faq details p { padding: 0 0 20px; color: var(--dim); max-width: 42rem; }

  /* ---------- final cta / footer ---------- */
  .final { text-align: center; padding: 100px 0; }
  .final h2 { font-size: clamp(2rem, 4.6vw, 3rem); letter-spacing: -0.025em; font-weight: 800; }
  .final p { color: var(--dim); margin: 16px auto 34px; max-width: 32rem; font-size: 1.1rem; }
  .cta-alt { margin-top: 20px; font-size: 0.9rem; }
  .cta-alt a { color: var(--faint); text-underline-offset: 3px; }
  .cta-alt a:hover { color: var(--dim); }
  footer { border-top: 1px solid var(--line-soft); padding: 56px 0 40px; }
  .foot-grid {
    display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    gap: 40px; margin-bottom: 40px;
  }
  .foot-brand p { margin-top: 14px; color: var(--dim); font-size: 0.95rem; max-width: 22rem; }
  .foot-col h4 {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--faint); margin-bottom: 16px;
  }
  .foot-col a { display: block; text-decoration: none; color: var(--dim); font-size: 0.95rem; padding: 6px 0; }
  .foot-col a:hover { color: var(--ink); }
  .foot-bottom {
    border-top: 1px solid var(--line-soft); padding-top: 24px;
    display: flex; gap: 16px; flex-wrap: wrap; color: var(--faint); font-size: 0.9rem;
  }
  @media (max-width: 760px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

  /* ---------- reveal (enhancement only) ---------- */
  @media (prefers-reduced-motion: no-preference) {
    html.js-armed .reveal:not(.in) { opacity: 0.001; transform: translateY(14px); }
    .reveal { transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1), transform 0.6s cubic-bezier(0.22,1,0.36,1); }
  }

  /* ---------- responsive ---------- */
  @media (max-width: 900px) {
    .own-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
    .steps, dl.rails { grid-template-columns: minmax(0, 1fr); }
    .tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    header.hero { padding: 64px 0 48px; }
    section { padding: 60px 0; }
  }
  @media (max-width: 760px) { .nav-links a.nav-plain { display: none; } }
  @media (max-width: 560px) { .tiers { grid-template-columns: minmax(0, 1fr); } }
  @media (max-width: 480px) {
    .wordmark span { display: none; }
    .nav-inner { gap: 12px; }
    .nav-links a.pill { padding: 8px 16px; font-size: 0.9rem; }
    .banner { font-size: 0.84rem; padding: 8px 16px; }
  }

  /* ---------- subpages ---------- */
  .page-head { padding: 72px 0 8px; text-align: center; }
  .page-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.025em; font-weight: 800; }
  .page-head p { margin: 14px auto 0; color: var(--dim); max-width: 40rem; font-size: 1.1rem; }
  @media (max-width: 860px) { .nav-center { display: none; } }

  /* ---------- account modal ---------- */
  .modal-backdrop {
    position: fixed; inset: 0; z-index: 50;
    background: rgba(0,0,0,0.6);
    display: none; align-items: center; justify-content: center; padding: 24px;
  }
  .modal-backdrop.open { display: flex; }
  .modal {
    background: #1e1e1e; border: 1px solid var(--line);
    border-radius: 24px; padding: 40px 36px 28px; width: 100%; max-width: 460px;
    position: relative; text-align: center;
    box-shadow: 0 40px 120px rgba(0,0,0,0.6);
  }
  .modal .close {
    position: absolute; top: 18px; right: 18px; border: 0; background: transparent;
    color: var(--dim); font-size: 1.2rem; cursor: pointer; line-height: 1;
    width: 32px; height: 32px; border-radius: 999px;
  }
  .modal .close:hover { color: var(--ink); background: var(--raised-2); }
  .modal .app-tile {
    width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 22px;
    background: var(--raised-2); border: 1px solid var(--line);
    display: grid; place-items: center;
  }
  .modal .app-tile img { width: 40px; height: 40px; border-radius: 10px; }
  .modal h2 { font-size: 1.65rem; font-weight: 800; letter-spacing: -0.02em; }
  .modal .sub { color: var(--dim); margin: 10px 0 26px; font-size: 1.02rem; }
  .modal .stack { display: grid; gap: 12px; }
  .modal .btn-row {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; border-radius: 999px; padding: 14px 20px; cursor: pointer;
    font: inherit; font-weight: 650; font-size: 1rem; text-decoration: none;
    border: 0;
  }
  .modal .btn-row.primary { background: #ffffff; color: #111111; }
  .modal .btn-row.primary:hover { filter: brightness(0.94); }
  .modal .btn-row.secondary {
    background: var(--raised); color: var(--ink); border: 1px solid var(--line);
  }
  .modal .btn-row.secondary:hover { border-color: #3d3d3d; }
  .modal .fine { margin-top: 22px; color: var(--faint); font-size: 0.85rem; }

  /* rotating hero word */
  .rotator-wrap { display: inline-block; }
  #rotator {
    display: inline-block; border-bottom: 4px solid #4a4a4a; padding-bottom: 2px;
    transition: opacity 0.26s ease, transform 0.26s ease;
  }
  #rotator.out { opacity: 0; transform: translateY(10px); }