/* Token aliases scoped to this section so we can keep the mockups
     declarations close to verbatim. */
  .hst-sec {
    --hst-bg: var(--surface-canvas);
    --hst-bg-elev: var(--surface-elev, color-mix(in oklab, var(--surface-canvas) 80%, var(--surface-text) 4%));
    --hst-fg: var(--surface-text);
    --hst-fg-dim: color-mix(in oklab, var(--surface-text) 72%, transparent);
    --hst-fg-mute: color-mix(in oklab, var(--surface-text) 48%, transparent);
    --hst-accent: var(--primary);
    --hst-border: color-mix(in oklab, var(--surface-text) 16%, transparent);
    --hst-border-subtle: color-mix(in oklab, var(--surface-text) 8%, transparent);
    --hst-border-strong: color-mix(in oklab, var(--surface-text) 30%, transparent);
    --hst-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --hst-f-serif: "Instrument Serif", "Times New Roman", serif;
    --hst-f-mono: "JetBrains Mono", ui-monospace, monospace;

    position: relative;
    padding: clamp(96px, 12vw, 160px) 0;
    background: var(--hst-bg);
    color: var(--hst-fg);
    overflow: hidden;
  }
  .hst-sec::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      linear-gradient(to right, var(--hst-border-subtle) 1px, transparent 1px),
      linear-gradient(to bottom, var(--hst-border-subtle) 1px, transparent 1px);
    background-size: 88px 88px;
    mask-image: radial-gradient(ellipse 70% 60% at 80% 20%, black 0%, transparent 70%);
    opacity: 0.5;
  }
  .hst-sec > .container { position: relative; z-index: 1; }

  .hst-head {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: clamp(40px, 6vw, 96px);
    align-items: end;
    padding-bottom: clamp(56px, 6vw, 88px);
    border-bottom: 1px solid var(--hst-border);
    margin-bottom: clamp(40px, 5vw, 64px);
  }
  @media (max-width: 880px) {
    .hst-head { grid-template-columns: 1fr; align-items: start; gap: 32px; }
  }
  .hst-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--hst-f-mono);
    font-size: 10.5px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--hst-accent);
    margin-bottom: 28px;
  }
  .hst-dot {
    width: 7px; height: 7px; border-radius: 999px; background: var(--hst-accent);
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--hst-accent) 22%, transparent);
  }
  .hst-meta { color: var(--hst-fg-mute); letter-spacing: 0.18em; }
  .hst-title {
    font-weight: 300;
    font-size: clamp(44px, 5.6vw, 84px);
    line-height: 0.98;
    letter-spacing: -0.038em;
    margin: 0;
    text-wrap: balance;
    color: var(--hst-fg);
  }
  .hst-title em {
    font-family: var(--hst-f-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--hst-accent);
    letter-spacing: -0.025em;
  }
  .hst-head-right { display: flex; flex-direction: column; gap: 24px; padding-bottom: 8px; }
  .hst-head-right p {
    margin: 0; font-size: 17px; line-height: 1.6; color: var(--hst-fg-dim); max-width: 42ch;
  }
  .hst-head-right p em {
    font-family: var(--hst-f-serif); font-style: italic; color: var(--hst-fg); font-weight: 400;
  }
  .hst-micro {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    padding-top: 18px; border-top: 1px dashed var(--hst-border);
  }
  .hst-micro__cell { display: flex; flex-direction: column; gap: 4px; }
  .hst-micro__v {
    font-weight: 300; font-size: 30px; letter-spacing: -0.025em; color: var(--hst-fg); line-height: 1;
  }
  .hst-micro__v em {
    font-family: var(--hst-f-serif); font-style: italic; font-weight: 400; color: var(--hst-accent);
  }
  .hst-micro__l {
    font-family: var(--hst-f-mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--hst-fg-mute);
  }

  .hst-left {
    display: flex; flex-direction: column;
    gap: clamp(28px, 3vw, 40px);
  }
  .hst-tabs-row {
    display: flex; gap: 2px; padding: 4px;
    background: var(--hst-bg-elev);
    border: 1px solid var(--hst-border);
    border-radius: 999px;
    position: relative;
    align-self: flex-start;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .hst-tabs-row::-webkit-scrollbar { display: none; }
  .hst-tab {
    position: relative; z-index: 1;
    appearance: none;
    border: 0;
    background: transparent;
    display: inline-flex; align-items: center;
    padding: 10px 18px; border-radius: 999px;
    font-family: inherit; font-weight: 500; font-size: 14px;
    letter-spacing: -0.005em;
    color: var(--hst-fg-dim); cursor: pointer;
    transition: color 220ms var(--hst-ease);
    white-space: nowrap;
    flex-shrink: 0;
  }
  .hst-tab:hover { color: var(--hst-fg); }
  .hst-tab.is-active { color: #fff; }
  .hst-tab-ind {
    position: absolute; top: 4px; bottom: 4px; left: 4px;
    background: var(--hst-accent); border-radius: 999px;
    transition: transform 320ms var(--hst-ease), width 320ms var(--hst-ease);
    box-shadow: 0 6px 18px -8px color-mix(in oklch, var(--hst-accent) 60%, transparent);
    z-index: 0;
  }
  .hst-split {
    display: grid; grid-template-columns: 1.05fr 1.4fr;
    gap: clamp(28px, 3vw, 48px);
    align-items: start;
  }
  @media (max-width: 1100px) { .hst-split { grid-template-columns: 1fr; } }

  .hst-list { display: flex; flex-direction: column; }
  .hst-row {
    display: grid; grid-template-columns: 56px 1fr auto;
    align-items: center; gap: 20px;
    padding: 22px 4px;
    border-top: 1px solid var(--hst-border);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: padding 280ms var(--hst-ease), background 220ms var(--hst-ease);
    position: relative;
  }
  .hst-row:last-child { border-bottom: 1px solid var(--hst-border); }
  .hst-row::before {
    content: ""; position: absolute; left: 0; top: 50%; width: 0; height: 1px;
    background: var(--hst-accent); transition: width 320ms var(--hst-ease); transform: translateY(-50%);
  }
  .hst-row:hover { padding-left: 14px; }
  .hst-row.is-active { padding-left: 22px; }
  .hst-row.is-active::before { width: 14px; }

  .hst-row__n {
    font-family: var(--hst-f-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--hst-fg-mute);
    transition: color 220ms var(--hst-ease);
  }
  .hst-row.is-active .hst-row__n,
  .hst-row:hover .hst-row__n { color: var(--hst-accent); }

  .hst-row__title { display: flex; flex-direction: column; gap: 6px; }
  .hst-row__title h3 {
    margin: 0; font-weight: 400; font-size: clamp(20px, 1.7vw, 24px); line-height: 1.2;
    letter-spacing: -0.018em; color: var(--hst-fg);
  }
  .hst-row__title h3 em {
    font-family: var(--hst-f-serif); font-style: italic; font-weight: 400; color: var(--hst-accent);
  }
  .hst-row__desc {
    font-size: 13.5px; color: var(--hst-fg-mute); line-height: 1.5; max-width: 48ch;
    opacity: 0; max-height: 0; overflow: hidden;
    transition: opacity 280ms var(--hst-ease), max-height 320ms var(--hst-ease), margin 280ms var(--hst-ease);
  }
  .hst-row.is-active .hst-row__desc { opacity: 1; max-height: 100px; margin-top: 4px; }

  .hst-row__arr {
    width: 40px; height: 40px; border-radius: 999px;
    border: 1px solid var(--hst-border);
    display: flex; align-items: center; justify-content: center;
    color: var(--hst-fg-mute); transition: all 260ms var(--hst-ease);
    flex-shrink: 0;
  }
  .hst-row:hover .hst-row__arr,
  .hst-row.is-active .hst-row__arr {
    border-color: var(--hst-accent); color: var(--hst-accent); transform: translateX(4px);
  }
  .hst-row.is-active .hst-row__arr {
    background: var(--hst-accent); color: #fff; border-color: var(--hst-accent);
  }

  .hst-preview {
    position: sticky; top: 88px;
    border: 1px solid var(--hst-border); border-radius: 22px;
    background: linear-gradient(180deg, var(--hst-bg-elev) 0%, color-mix(in oklch, var(--hst-bg-elev) 70%, var(--hst-bg)) 100%);
    overflow: hidden;
    box-shadow: 0 60px 120px -40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  }
  .hst-preview-hd {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 22px;
    border-bottom: 1px solid var(--hst-border);
    font-family: var(--hst-f-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--hst-fg-mute);
    background: var(--hst-bg);
  }
  .hst-preview-hd__lhs { display: inline-flex; align-items: center; gap: 10px; }
  .hst-preview-hd__dots { display: inline-flex; gap: 5px; }
  .hst-preview-hd__dots i {
    width: 8px; height: 8px; border-radius: 999px;
    background: color-mix(in oklch, var(--hst-fg-mute) 70%, transparent);
    display: inline-block;
  }
  .hst-preview-hd__dots i:first-child { background: var(--hst-accent); }
  .hst-preview-hd__live {
    display: inline-flex; align-items: center; gap: 8px; color: var(--hst-accent);
  }
  .hst-preview-hd__live::before {
    content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--hst-accent);
    animation: hst-pulse 1.6s infinite;
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--hst-accent) 22%, transparent);
  }
  @keyframes hst-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

  .hst-preview-body { padding: 32px clamp(24px, 3vw, 40px); position: relative; }
  .hst-pv__h {
    margin: 0 0 14px; font-weight: 300; font-size: clamp(28px, 2.8vw, 40px); line-height: 1.04;
    letter-spacing: -0.028em; color: var(--hst-fg); text-wrap: balance;
  }
  .hst-pv__h em {
    font-family: var(--hst-f-serif); font-style: italic; font-weight: 400; color: var(--hst-accent);
  }
  .hst-pv__lede {
    margin: 0 0 26px; font-size: 15.5px; line-height: 1.6; color: var(--hst-fg-dim); max-width: 50ch;
  }
  .hst-pv__lede em {
    font-family: var(--hst-f-serif); font-style: italic; color: var(--hst-fg); font-weight: 400;
  }

  .hst-pv-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
    background: var(--hst-border); border: 1px solid var(--hst-border); border-radius: 14px; overflow: hidden;
    margin-bottom: 22px;
  }
  .hst-pv-grid__cell {
    background: color-mix(in oklch, var(--hst-bg) 50%, var(--hst-bg-elev));
    padding: 18px; display: flex; flex-direction: column; gap: 8px;
  }
  .hst-pv-grid__k {
    font-family: var(--hst-f-mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--hst-fg-mute);
  }
  .hst-pv-grid__v {
    font-weight: 400; font-size: 14.5px; line-height: 1.45; color: var(--hst-fg);
  }
  .hst-pv-grid__v em {
    font-family: var(--hst-f-serif); font-style: italic; color: var(--hst-accent); font-weight: 400;
  }

  .hst-pv-metric {
    display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 14px;
    padding: 18px; border: 1px solid var(--hst-border); border-radius: 14px;
    background: var(--hst-bg);
    margin-bottom: 22px;
  }
  .hst-pv-metric__m { display: flex; flex-direction: column; gap: 6px; }
  .hst-pv-metric__l {
    font-family: var(--hst-f-mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--hst-fg-mute);
  }
  .hst-pv-metric__v {
    font-weight: 300; font-size: 28px; line-height: 1; letter-spacing: -0.025em; color: var(--hst-fg);
  }
  .hst-pv-metric__v em {
    font-family: var(--hst-f-serif); font-style: italic; color: var(--hst-accent); font-weight: 400;
  }
  .hst-pv-metric__spark { align-self: end; height: 36px; width: 100%; }
  .hst-pv-metric__spark path { fill: none; stroke: var(--hst-accent); stroke-width: 1.6; }
  .hst-pv-metric__area { fill: url(#hst-spk); opacity: 0.45; stroke: none; }

  .hst-pv-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding-top: 4px;
  }
  .hst-pv-foot__channels { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .hst-pv-foot__ch {
    font-family: var(--hst-f-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
    padding: 5px 10px; border: 1px solid var(--hst-border); border-radius: 999px; color: var(--hst-fg-dim);
  }
  .hst-pv-foot__cta {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--hst-f-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--hst-accent); padding: 12px 18px;
    background: color-mix(in oklch, var(--hst-accent) 12%, transparent);
    border: 1px solid color-mix(in oklch, var(--hst-accent) 38%, var(--hst-border));
    border-radius: 999px;
    text-decoration: none;
    transition: all 220ms var(--hst-ease);
  }
  .hst-pv-foot__cta:hover { background: var(--hst-accent); color: #fff; }

  .hst-pv { animation: hst-pv-fade 420ms var(--hst-ease); }
  @keyframes hst-pv-fade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hst-bottom {
    margin-top: clamp(56px, 6vw, 88px);
    display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center;
    padding: 28px 0 0; border-top: 1px solid var(--hst-border);
  }
  @media (max-width: 720px) {
    .hst-bottom { grid-template-columns: 1fr; align-items: start; }
  }
  .hst-bottom__copy {
    margin: 0;
    font-family: var(--hst-f-serif); font-style: italic;
    font-size: clamp(20px, 1.8vw, 26px); line-height: 1.35;
    color: var(--hst-fg-dim); letter-spacing: -0.01em; max-width: 56ch;
  }
  .hst-bottom__copy em { color: var(--hst-accent); }
  .hst-bottom__all {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 14px 22px; border-radius: 999px;
    border: 1px solid var(--hst-border-strong); color: var(--hst-fg);
    font-weight: 500; font-size: 14px;
    text-decoration: none;
    transition: all 220ms var(--hst-ease);
    white-space: nowrap;
  }
  .hst-bottom__all:hover { background: var(--hst-fg); color: var(--hst-bg); border-color: var(--hst-fg); }

  /* ─── Mobile (≤768px) ────────────────────────────────────────────
     The desktop layout (asymmetric header, sticky preview, 2-col grid)
     compresses awkwardly on narrow screens. This block reshapes the
     section into a compact, swipeable mobile experience without
     dropping any content. */
  @media (max-width: 768px) {
    .hst-sec {
      padding: clamp(56px, 14vw, 88px) 0;
    }
    /* CSS Grid/flex children default to min-width:auto, which lets long
       words / SVGs blow the layout wider than the viewport. Force them
       to be allowed to shrink so the preview pane stays inside the
       container at every breakpoint. */
    .hst-split,
    .hst-left,
    .hst-preview,
    .hst-preview-body,
    .hst-pv,
    .hst-pv-grid,
    .hst-pv-grid__cell,
    .hst-pv-metric,
    .hst-pv-foot,
    .hst-pv-foot__channels {
      min-width: 0;
      max-width: 100%;
    }
    .hst-pv__lede,
    .hst-pv__h {
      max-width: 100%;
    }
    .hst-pv-grid__v,
    .hst-pv-foot__ch {
      overflow-wrap: anywhere;
      word-break: break-word;
    }
    /* inline-flex sized to content + flex-wrap can fail to wrap inside
       a column flex parent. Switch to flex so the wrap engages and
       chips wrap onto multiple lines instead of overflowing. */
    .hst-pv-foot__channels {
      display: flex;
      flex-wrap: wrap;
    }
    .hst-pv-metric__spark {
      width: 100%;
      max-width: 100%;
    }
    .hst-sec::before {
      background-size: 64px 64px;
      mask-image: radial-gradient(ellipse 80% 60% at 100% 0%, black 0%, transparent 70%);
      opacity: 0.35;
    }

    .hst-head {
      padding-bottom: 36px;
      margin-bottom: 32px;
      gap: 24px;
    }
    .hst-eyebrow {
      gap: 8px;
      margin-bottom: 16px;
      font-size: 9.5px;
      letter-spacing: 0.18em;
      flex-wrap: wrap;
    }
    .hst-meta { font-size: 9px; }

    .hst-title {
      font-size: clamp(34px, 9vw, 46px);
      line-height: 1.02;
      letter-spacing: -0.028em;
    }
    /* Mobile: collapse the forced line-breaks so the title flows
       naturally inside the column instead of forming three short rows. */
    .hst-title br { display: none; }
    .hst-title em { font-size: 1.02em; }

    .hst-head-right p { font-size: 15px; }
    .hst-micro { gap: 12px; padding-top: 14px; }
    .hst-micro__v { font-size: 22px; }
    .hst-micro__l { font-size: 8.5px; }

    .hst-left { gap: 20px; }

    .hst-tabs-row {
      align-self: stretch;
      padding: 3px;
    }
    .hst-tab {
      padding: 9px 14px;
      font-size: 13px;
    }
    .hst-tab-ind { top: 3px; bottom: 3px; left: 3px; }

    .hst-row {
      grid-template-columns: 32px 1fr 32px;
      gap: 12px;
      padding: 16px 4px;
    }
    .hst-row__n { font-size: 10px; letter-spacing: 0.14em; }
    .hst-row__title h3 { font-size: 16px; line-height: 1.25; }
    .hst-row__desc { font-size: 12.5px; max-width: none; }
    .hst-row.is-active .hst-row__desc { max-height: 160px; }
    .hst-row__arr { width: 32px; height: 32px; }
    .hst-row__arr svg { width: 12px; height: 12px; }
    .hst-row:hover { padding-left: 8px; }
    .hst-row.is-active { padding-left: 12px; }
    .hst-row.is-active::before { width: 8px; }

    .hst-preview {
      position: static;          /* sticky does not make sense once stacked */
      top: auto;
      border-radius: 16px;
    }
    .hst-preview-hd {
      padding: 12px 16px;
      font-size: 9.5px;
      letter-spacing: 0.16em;
    }
    .hst-preview-hd__dots i { width: 6px; height: 6px; }
    .hst-preview-body { padding: 24px 18px; }

    .hst-pv__h {
      font-size: clamp(22px, 6.4vw, 30px);
      margin-bottom: 12px;
    }
    .hst-pv__lede {
      font-size: 14px;
      margin-bottom: 20px;
    }
    .hst-pv-grid { grid-template-columns: 1fr; }
    .hst-pv-grid__cell { padding: 14px; }
    .hst-pv-grid__v { font-size: 13.5px; }

    .hst-pv-metric {
      grid-template-columns: 1fr 1fr;
      padding: 14px;
      gap: 12px;
    }
    .hst-pv-metric__v { font-size: 22px; }
    .hst-pv-metric__spark {
      grid-column: 1 / -1;
      height: 28px;
    }

    .hst-pv-foot {
      flex-direction: column;
      align-items: stretch;
      gap: 14px;
    }
    .hst-pv-foot__channels { gap: 6px; }
    .hst-pv-foot__ch {
      font-size: 9.5px;
      padding: 4px 8px;
    }
    .hst-pv-foot__cta {
      align-self: flex-start;
      padding: 10px 16px;
      font-size: 10.5px;
    }

    .hst-bottom {
      margin-top: 40px;
      padding-top: 22px;
      gap: 18px;
    }
    .hst-bottom__copy { font-size: 16px; line-height: 1.45; }
  }