/* base reset (this file is now served raw, not through the artifact wrapper) */
html { -webkit-text-size-adjust: 100%; }
img, svg { max-width: 100%; }
[hidden] { display: none !important; }

:root {
    --paper: #ffffff;
    --ink: #0d0d0d;
    --muted: #6b6b6b;
    --line: #e4e4e4;
    --accent: #e0500f;
    color-scheme: light;
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

  .wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .btn {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 500;
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink);
    background: var(--paper);
    border: none;
    box-shadow: inset 0 0 0 1.5px var(--ink);
    padding: 13px 24px;
    text-decoration: none;
    display: inline-block;
    transition: background 0.14s ease, color 0.14s ease;
  }
  .btn:hover { background: var(--ink); color: var(--paper); }
  .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 9px;
  }
  .btn-ghost svg { width: 15px; height: 15px; fill: currentColor; flex: none; }

  /* ---- top bar / language switch ---- */
  .topbar {
    display: flex;
    justify-content: flex-end;
    padding-top: 22px;
  }
  .lang {
    display: inline-flex;
    border: 1px solid var(--ink);
  }
  .lang button {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 500;
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 8px 13px;
    background: var(--paper);
    color: var(--ink);
    border: 0;
    cursor: pointer;
  }
  .lang button + button { border-left: 1px solid var(--ink); }
  .lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
  .lang button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

  /* ---- hero ---- */
  .brand {
    align-self: center;
    display: inline-block;
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1;
    font-size: clamp(1.5rem, 5.6vw, 2.6rem);
    margin: clamp(14px, 3vw, 26px) 0 0;
    background: var(--ink);
    color: var(--paper);
    padding: 0.16em 0.4em 0.2em;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
  }

  .tagline {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 400;
    font-size: clamp(0.7rem, 1.7vw, 0.82rem);
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--ink);
    margin: 14px 0 0;
    text-align: center;
  }

  .hero-img {
    margin-top: clamp(10px, 2vw, 22px);
  }
  .hero-img img {
    display: block;
    width: min(400px, 72%);
    height: auto;
    margin: 0 auto;
  }

  .concept-title {
    max-width: 62ch;
    margin: clamp(30px, 6vw, 64px) auto 0;
    text-align: center;
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    line-height: 1.28;
    font-size: clamp(1rem, 3vw, 1.45rem);
    text-wrap: balance;
  }
  .concept {
    max-width: 62ch;
    margin: 14px auto 0;
    text-align: center;
    font-size: clamp(0.9rem, 1.9vw, 1.02rem);
    line-height: 1.7;
    color: var(--muted);
  }

  /* the "home" screen fills the first viewport; the statement below is scroll-only */
  .home {
    min-height: 100vh;
    min-height: 100svh;
    padding-bottom: 26px;
    display: flex;
    flex-direction: column;
  }

  .statement {
    padding: clamp(56px, 11vh, 150px) 0;
    border-top: 1px solid var(--ink);
    text-align: center;
  }

  .headline {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: -0.005em;
    line-height: 1.08;
    font-size: clamp(2rem, 8vw, 4.6rem);
    margin: 0;
    text-wrap: balance;
  }

  .cta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px 22px;
    margin: clamp(22px, 3.5vw, 34px) 0 0;
  }

  /* origin credit, sits just below the buttons */
  .origin {
    margin: 0;
    padding-top: clamp(16px, 3vh, 28px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 400;
    font-size: clamp(0.62rem, 1.5vw, 0.72rem);
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink);
  }
  .origin svg {
    width: 15px;
    height: 15px;
    fill: var(--ink);
    flex: none;
  }
  /* ---- proof of reserves snapshot ---- */
  .reserves {
    margin: clamp(44px, 7vw, 76px) 0 0;
  }
  .reserves-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 6px 24px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--ink);
  }
  .reserves-head .eyebrow,
  .reserves-head .snap-meta {
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
  }
  .reserves-head .snap-meta { color: var(--muted); letter-spacing: 0.12em; }

  .snap {
    margin: 0;
  }
  .snap-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
  .snap-row dt {
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .snap-row dd {
    margin: 0;
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    text-align: right;
  }
  .snap-row--merkle {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .snap-row--merkle dd {
    text-align: left;
    font-size: 0.7rem;
    color: var(--muted);
    word-break: break-all;
  }

  .por {
    margin: 16px 0 0;
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
  }
  .por a {
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--ink);
    padding-bottom: 2px;
  }
  .por a:hover { border-bottom-color: var(--accent); }
  .por a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

  /* ---- features ---- */
  .features { margin-top: clamp(72px, 12vw, 130px); }
  .feature {
    display: grid;
    grid-template-columns: 168px 1fr;
    gap: clamp(24px, 6vw, 72px);
    align-items: start;
    padding: clamp(44px, 8vw, 88px) 0;
    border-top: 1px solid var(--ink);
  }
  .feature:last-of-type { border-bottom: 1px solid var(--ink); }
  .feature .icon { width: 100%; max-width: 132px; height: auto; }
  .feature .icon [data-fill] { fill: var(--ink); }
  .feature .icon [data-knock] { fill: var(--paper); }
  .feature h2 {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0;
    line-height: 1.15;
    font-size: clamp(1.5rem, 4.2vw, 2.3rem);
    margin: 0;
  }
  .feature p {
    max-width: 54ch;
    margin: 16px 0 0;
    font-size: clamp(0.95rem, 2vw, 1.08rem);
  }
  .feature .n {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 400;
    font-size: 0.68rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--muted);
    display: block;
    margin-bottom: 12px;
  }
  .feature-note {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  .feature-note .note-label {
    display: block;
    font-size: 0.64rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 6px;
  }
  .feature-note .note-body {
    display: block;
    font-size: clamp(0.9rem, 2vw, 1.02rem);
  }

  /* ---- disclaimer ---- */
  footer {
    margin: clamp(64px, 10vw, 120px) 0 64px;
  }
  footer .disc {
    max-width: 66ch;
    font-size: 0.72rem;
    line-height: 1.65;
    color: var(--muted);
  }
  footer .rule {
    height: 1px;
    background: var(--ink);
    margin-bottom: 26px;
  }
  footer .copy {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 400;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 24px;
  }

  @media (max-width: 640px) {
    .feature {
      grid-template-columns: 1fr;
      gap: 20px;
    }
    .feature .icon { max-width: 96px; }
  }

  /* ---- coming-soon / root route ---- */
  .teaser {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    padding: 96px 24px;
    text-align: center;
  }
  .teaser .brand { margin: 0; }
  .teaser .cs-line {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-weight: 400;
    font-size: clamp(0.78rem, 2.3vw, 1rem);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    line-height: 1.8;
    max-width: 26ch;
    color: var(--ink);
    margin: 0;
  }
  .teaser .cs-origin {
    position: absolute;
    left: 0;
    right: 0;
    bottom: clamp(22px, 5vh, 40px);
    padding-top: 0;
  }