/* Inner marketing pages (features, ai, challenges, contact). Loaded after site.css,
   reuses its tokens and components; only page-specific pieces live here. */
:root { --bad: light-dark(oklch(.5 .2 25), oklch(.82 .16 25)); }

@layer components {
  /* ---- page hero ---- */
  .page-hero { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(64px, 9vw, 132px) clamp(36px, 5vw, 72px); }
  .page-hero::before { content: ""; position: absolute; inset: 0; z-index: -2;
    background: radial-gradient(60% 85% at 88% 0%, var(--accent-soft), transparent 70%), radial-gradient(45% 60% at 0% 100%, color-mix(in oklab, var(--accent) 7%, transparent), transparent 70%); }
  .page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(70% 90% at 75% 10%, #000, transparent 75%); mask-image: radial-gradient(70% 90% at 75% 10%, #000, transparent 75%); }
  .page-hero h1 { font-size: clamp(2.4rem, 1.3rem + 4.4vw, 5rem); max-width: 15ch; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
  .chips li { padding: .45em .85em; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font: 600 .74rem/1 var(--f-mono); letter-spacing: .06em; color: var(--ink-2); }
  .sec-head { display: grid; gap: 1rem; margin-bottom: clamp(1.4rem, 3vw, 2.4rem); }
  .sec-head h2 { max-width: 20ch; }
  .fineprint { font-size: .84rem; color: var(--muted); }
  .fineprint a { font-weight: 600; }

  /* ---- copy + demo split ---- */
  .split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
  .split.flip > :first-child { order: 2; }
  @media (max-width: 980px) { .split { grid-template-columns: minmax(0, 1fr); } .split.flip > :first-child { order: 0; } }
  .split h2 { font-size: clamp(1.9rem, 1.2rem + 2.3vw, 3.2rem); }
  .ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: .65rem; }
  .ticks li { position: relative; padding-left: 1.8em; color: var(--ink-2); }
  .ticks li::before { content: ""; position: absolute; left: .15em; top: .42em; width: .85em; height: .45em; border-left: 2px solid var(--accent-text); border-bottom: 2px solid var(--accent-text); transform: rotate(-45deg); }

  .panel { position: relative; border-radius: var(--r-l); border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow-2); padding: clamp(16px, 2.2vw, 28px); min-width: 0; }
  .panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 1.1rem; }
  .panel-title { font: 600 .74rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
  .who { display: flex; align-items: center; gap: 12px; }
  .avatar { flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); font: 700 .95rem/1 var(--f-display); }
  .who b { display: block; font: 650 1.05rem/1.2 var(--f-display); color: var(--ink); }
  .who small { color: var(--muted); font-size: .82rem; }
  .seg { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; list-style: none; margin: 0; }
  .seg li { padding: .45em .8em; border-radius: 999px; font: 600 .7rem/1 var(--f-mono); color: var(--muted); }
  .seg li.on { background: var(--surface-3); color: var(--ink); }
  .kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .kpi { padding: 14px; border-radius: var(--r-m); background: var(--surface-2); min-width: 0; }
  .kpi span { display: block; font: 600 .68rem/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
  .kpi b { display: block; margin-top: .45rem; font: 700 clamp(1.25rem, 1rem + 1vw, 1.8rem)/1 var(--f-display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; color: var(--ink); }
  .kpi b.up { color: var(--good); }
  .spark { display: block; width: 100%; height: 96px; margin-block: 16px 4px; }
  .spark .line { fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; }
  .spark .area { fill: var(--accent-soft); }
  .badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
  .badge { padding: .45em .8em; border-radius: 999px; font: 600 .7rem/1 var(--f-mono); letter-spacing: .04em; color: var(--accent-text); background: var(--accent-soft); }
  .badge.neutral { color: var(--ink-2); background: var(--surface-2); }

  /* ---- strategy rows + risk slider ---- */
  .rows { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
  .rows li { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); }
  .rows b { font: 650 1rem/1.2 var(--f-display); color: var(--ink); }
  .rows small { display: block; margin-top: 3px; color: var(--muted); font-size: .8rem; }
  .rows .tf { font: 600 .74rem/1 var(--f-mono); color: var(--ink-2); }
  .rows .ret { font: 700 .95rem/1 var(--f-mono); color: var(--good); font-variant-numeric: tabular-nums; }
  .risk { display: grid; gap: 10px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
  .risk label { display: flex; justify-content: space-between; gap: 12px; font: 600 .78rem/1 var(--f-mono); color: var(--ink-2); }
  .risk output { color: var(--accent-text); }
  .risk input[type=range] { width: 100%; accent-color: var(--accent); }
  .risk-scale { display: flex; justify-content: space-between; font: 600 .66rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

  /* ---- signal feed ---- */
  .feed-wrap { overflow-x: auto; margin-inline: -4px; }
  .feed { width: 100%; border-collapse: collapse; font: .84rem/1.3 var(--f-mono); font-variant-numeric: tabular-nums; }
  .feed th { text-align: left; padding: 0 10px 10px; font-weight: 600; font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
  .feed td { padding: 12px 10px; border-top: 1px solid var(--line); color: var(--ink-2); white-space: nowrap; }
  .feed td b { color: var(--ink); }
  .side { display: inline-block; padding: .3em .55em; border-radius: 6px; font-weight: 700; font-size: .7rem; letter-spacing: .06em; }
  .side.buy { color: var(--good); background: color-mix(in oklab, var(--good) 10%, transparent); }
  .side.sell { color: var(--bad); background: color-mix(in oklab, var(--bad) 13%, transparent); }
  .feed-now { display: flex; align-items: center; gap: .7em; margin-top: 4px; padding: 12px 10px; border-top: 1px solid var(--line); color: var(--muted); font: .82rem/1.3 var(--f-mono); }

  /* ---- fee calculator ---- */
  .calc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .calc-out { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 16px 0 0; }
  .calc-out div { padding: 12px 14px; border-radius: 12px; background: var(--surface-2); min-width: 0; }
  .calc-out dt { font: 600 .66rem/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
  .calc-out dd { margin: .4rem 0 0; font: 700 1.15rem/1 var(--f-display); font-variant-numeric: tabular-nums; color: var(--ink); }
  @media (max-width: 720px) { .calc { grid-template-columns: minmax(0, 1fr); } .calc-out { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

  /* ---- shared form fields (site.css styles inputs; add select + textarea) ---- */
  .field select, .field textarea { width: 100%; padding: 0 15px; border: 1px solid var(--line-strong); border-radius: 12px; background-color: var(--surface); color: var(--ink); font: inherit; font-size: .95rem; transition: border-color .2s, box-shadow .2s; }
  .field input { width: 100%; min-width: 0; }
  .field select { height: 48px; -webkit-appearance: none; appearance: none; padding-right: 40px;
    background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
  .field textarea { min-height: 150px; padding-block: 12px; line-height: 1.5; resize: vertical; }
  .field select:focus-visible, .field textarea:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
  .field [aria-invalid="true"] { border-color: var(--bad); }
  .field-foot .err { color: var(--bad); font-weight: 600; }

  /* ---- courses ---- */
  .meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 1rem; font: 600 .74rem/1 var(--f-mono); color: var(--muted); }
  .card .badge { display: inline-block; margin-bottom: 1rem; }

  /* ---- challenge plans ---- */
  .plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.4vw, 20px); list-style: none; padding: 0; margin: 0; }
  @media (max-width: 1100px) { .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 620px) { .plans { grid-template-columns: minmax(0, 1fr); } }
  .plan { position: relative; display: flex; flex-direction: column; gap: 1rem; padding: clamp(20px, 2.2vw, 30px); border-radius: var(--r-l); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-1); }
  .plan.pop { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow-2); background: radial-gradient(120% 55% at 50% 0%, var(--accent-soft), transparent 70%), var(--surface); }
  .plan-tag { position: absolute; top: -11px; right: 18px; padding: .45em .8em; border-radius: 999px; background: var(--accent); color: var(--on-accent); font: 700 .66rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; }
  .plan-kind { font: 600 .72rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); }
  .plan-size { font: 700 clamp(2rem, 1.4rem + 1.6vw, 2.7rem)/1 var(--f-display); letter-spacing: -.035em; color: var(--ink); font-variant-numeric: tabular-nums; }
  .plan-price { display: flex; align-items: baseline; gap: .45em; }
  .plan-price b { font: 700 1.55rem/1 var(--f-display); color: var(--ink); }
  .plan-price span { color: var(--muted); font-size: .85rem; }
  .plan dl { margin: 0; }
  .plan dl div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); font-size: .9rem; }
  .plan dt { color: var(--ink-2); }
  .plan dd { margin: 0; font: 700 .9rem/1.2 var(--f-mono); color: var(--ink); }
  .plan .btn { margin-top: auto; width: 100%; }

  /* ---- scaling ladder ---- */
  .ladder { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.4vw, 20px); list-style: none; padding: 0; margin: 0; }
  @media (max-width: 1100px) { .ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 620px) { .ladder { grid-template-columns: minmax(0, 1fr); } }
  .ladder .amt { display: block; margin-block: .2rem .9rem; font: 700 clamp(2rem, 1.3rem + 1.8vw, 2.8rem)/1 var(--f-display); letter-spacing: -.035em; color: var(--ink); }
  .bar { height: 6px; margin-bottom: 1rem; border-radius: 6px; background: var(--surface-3); overflow: hidden; }
  .bar i { display: block; height: 100%; border-radius: inherit; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
  .bar .w5 { width: 5%; } .bar .w10 { width: 10%; } .bar .w25 { width: 25%; } .bar .w100 { width: 100%; }

  /* ---- AI ask hero ---- */
  .ask { max-width: 920px; margin-inline: auto; text-align: center; }
  .ask .eyebrow, .ask h1, .ask .lede, .ask .fineprint { margin-inline: auto; }
  .ask h1 { font-size: clamp(2.3rem, 1.2rem + 3.8vw, 4.4rem); max-width: 18ch; }
  .composer { display: flex; align-items: flex-end; gap: 10px; margin-top: 2.2rem; padding: 10px 10px 10px 20px; border-radius: 22px; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow-2); text-align: left; transition: border-color .2s, box-shadow .2s; }
  .composer:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-2); }
  .composer textarea { flex: 1; min-width: 0; min-height: 56px; padding: 14px 0; border: 0; resize: none; background: transparent; color: var(--ink); font: 1rem/1.5 var(--f-text); }
  .composer textarea::placeholder { color: var(--muted); opacity: 1; }
  .composer textarea:focus-visible { outline: none; }
  .composer .btn { flex: none; }
  .prompts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; text-align: left; list-style: none; padding: 0; }
  @media (max-width: 980px) { .prompts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 520px) { .prompts { grid-template-columns: minmax(0, 1fr); } }
  .prompt { display: flex; flex-direction: column; gap: .55rem; height: 100%; padding: 16px; border-radius: var(--r-m); border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); text-decoration: none; transition: border-color .2s, transform .3s var(--ease), box-shadow .3s; }
  .prompt:hover { border-color: var(--brk); transform: translateY(-2px); box-shadow: var(--shadow-2); }
  .prompt i { font: 600 .68rem/1 var(--f-mono); font-style: normal; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); }
  .prompt span { font-size: .92rem; line-height: 1.45; color: var(--ink); }

  /* ---- contact ---- */
  .mail { display: inline-block; margin-top: .8rem; font: 600 .95rem/1.3 var(--f-mono); overflow-wrap: anywhere; text-decoration: none; }
  .mail:hover { text-decoration: underline; }
  .card address { font-style: normal; color: var(--ink-2); }
  .contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 64px); align-items: start; }
  @media (max-width: 980px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
  .quote { margin: 0; padding: clamp(20px, 2.4vw, 30px); border-radius: var(--r-l); border: 1px solid var(--line); background: var(--surface-2); }
  .quote p { font: 600 clamp(1.15rem, 1rem + .8vw, 1.5rem)/1.3 var(--f-display); letter-spacing: -.015em; color: var(--ink); }
  .quote cite { display: block; margin-top: .9rem; font: 600 .76rem/1 var(--f-mono); font-style: normal; letter-spacing: .06em; color: var(--muted); }
  .contact-form { display: grid; gap: 16px; }
  .form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  @media (max-width: 620px) { .form-row { grid-template-columns: minmax(0, 1fr); } }
  .form-msg { padding: 12px 14px; border-radius: 12px; font-size: .92rem; line-height: 1.45; color: var(--ink); }
  .form-msg[data-state="ok"] { background: color-mix(in oklab, var(--good) 13%, transparent); border: 1px solid color-mix(in oklab, var(--good) 45%, transparent); }
  .form-msg[data-state="error"] { background: color-mix(in oklab, var(--bad) 11%, transparent); border: 1px solid color-mix(in oklab, var(--bad) 40%, transparent); }
  .form-msg b { display: block; margin-bottom: 2px; }
  .contact-form .btn[aria-busy="true"] { opacity: .7; cursor: progress; }
  .req { color: var(--accent-text); }

  /* ---- small helpers ---- */
  .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; }
  .page-hero h1 .hl { background: var(--holo); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; animation: holo 7s linear infinite; }
  .bento + .actions, .bento + .fineprint, .plans + .fineprint, .stats + .fineprint, .flow + .fineprint { margin-top: 1.4rem; }
  .field > label { font: 600 .8rem/1 var(--f-mono); letter-spacing: .03em; color: var(--ink-2); }
  .field > .field-foot { display: flex; justify-content: space-between; gap: 12px; min-height: 1.1em; font: 400 .78rem/1.3 var(--f-text); letter-spacing: 0; color: var(--muted); }
  .field > .field-foot:has(> .err:only-child:empty) { display: none; }
  .panel-h { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.2rem); margin-bottom: .5rem; }
  .panel .contact-form { margin-top: 1.4rem; }
}
@media (prefers-reduced-motion: reduce) { .page-hero h1 .hl { animation: none; } }