/* ── paper chapters: toolkit · cycle · pricing · faq ─────────── */

/* ===== toolkit (sticky phone + feature ledger) ===== */
.toolkit-label { display: block; margin-bottom: 40px; }
.toolkit-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 120px); align-items: start; }
.phone-col { position: sticky; top: 12vh; display: grid; justify-items: center; gap: 18px; }
.phone {
  width: min(280px, 100%); aspect-ratio: 9 / 17; border-radius: 34px; padding: 18px;
  background: var(--white); border: 1px solid var(--line);
  box-shadow: var(--shadow-card), inset 0 0 0 6px var(--paper);
  display: grid; grid-template-rows: auto 1fr auto auto; gap: 12px;
}
.phone-top { display: flex; justify-content: space-between; align-items: baseline; font-size: var(--t-micro); color: var(--mute); }
.phone-top b { font-weight: 500; color: var(--ink); letter-spacing: -.02em; }
.phone-shot { border-radius: 14px; overflow: hidden; background: var(--paper); }
.phone-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: opacity var(--normal); }
.phone-shot img.is-swapping { opacity: 0; }
.phone-rows { display: grid; gap: 8px; font-size: var(--t-micro); }
.phone-rows li { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; color: var(--mute); }
.phone-rows b { font-weight: 500; color: var(--ink); font-size: 1rem; }
.phone-rows i { width: 90px; height: 4px; border-radius: 2px; background: var(--line); position: relative; overflow: hidden; }
.phone-rows i::after { content: ""; position: absolute; inset: 0; background: var(--ink); transform: scaleX(var(--v)); transform-origin: left; }
.phone-foot { font-size: .66rem; color: var(--mute); border-top: 1px solid var(--line); padding-top: 8px; }
.phone-name { font-size: var(--t-small); font-weight: 500; }

.tool-col .h2 { margin-bottom: 48px; }
.tool-col { padding-bottom: clamp(200px, 46vh, 520px); } /* room so the phone stays pinned while the last feature is active */
.tools { display: grid; gap: 12px; }
.tool {
  display: grid; grid-template-columns: 28px 64px 1fr; gap: 18px; align-items: center;
  padding: 22px 22px 22px 16px; border-radius: 14px; border: 1px solid transparent;
  transition: background var(--normal), border-color var(--normal), transform var(--normal) var(--ease-out);
}
.tool.is-active { background: var(--paper); border-color: var(--line); }
.tool-n { font-size: var(--t-micro); color: var(--mute-2); }
.tool-ico { width: 64px; height: 64px; border-radius: 12px; background: var(--white); border: 1px solid var(--line); display: grid; place-items: center; }
.tool-ico svg { width: 26px; height: 26px; fill: none; stroke: var(--ink); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.tool b { font-weight: 500; font-size: var(--t-body); display: block; }
.tool p { font-size: var(--t-small); color: var(--mute); margin-top: 6px; max-width: 46ch; }

/* ===== cycle ===== */
.cycle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.cycle-h {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: var(--t-h3); font-weight: 400; letter-spacing: -.02em; margin-bottom: 18px;
  border-bottom: 1px solid var(--line); padding-bottom: 12px;
}
.cycle-h em { font-style: italic; }
.cycle-h span { font-size: 1rem; }
.deck {
  position: relative; height: clamp(420px, 56vh, 620px); border-radius: 18px; overflow: hidden;
  background: var(--studio);
  background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1.2px); background-size: 16px 16px;
}
.deck-tools { position: absolute; top: 14px; left: 50%; translate: -50% 0; display: flex; gap: 6px; z-index: 2; font-size: var(--t-micro); color: var(--chalk-dim); }
.deck-tools span { padding: 4px 10px; border-radius: 6px; background: rgba(255,255,255,.06); border: 1px solid var(--line-d); }
.deck-track {
  position: absolute; left: 50%; top: 50%; translate: -50% -50%;
  display: grid; grid-template-columns: repeat(3, 170px); gap: 14px; will-change: transform;
}
.deck-track img { width: 170px; height: 226px; object-fit: cover; border-radius: 6px; filter: grayscale(1) contrast(1.05); opacity: .9; }
.deck-track img:nth-child(5) { filter: none; opacity: 1; box-shadow: 0 0 0 1px var(--line-d2), var(--shadow-float); }

.ledger { position: relative; height: clamp(420px, 56vh, 620px); border-radius: 18px; background: var(--paper); border: 1px solid var(--line); display: grid; place-items: center; overflow: hidden; }
.ledger-card {
  position: absolute; width: min(300px, 80%); border-radius: 14px; background: var(--white);
  border: 1px solid var(--line); padding: 14px; box-shadow: var(--shadow-card);
  transition: transform var(--slow) var(--ease-out), opacity var(--slow);
}
.ledger-card--grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ledger-card--grid img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; }
.ledger-btn { grid-column: 1 / -1; margin-top: 4px; padding: 10px; border-radius: 999px; border: 1px solid var(--line-2); font-size: var(--t-micro); background: var(--white); }
.ledger-btn--dark { background: var(--ink); color: var(--white); border-color: var(--ink); }
.ledger-card--order { transform: translate(16%, 30%) rotate(3deg); opacity: 0; }
.ledger.is-in .ledger-card--order { transform: translate(24%, 26%) rotate(0); opacity: 1; }
.ledger.is-in .ledger-card--grid { transform: translate(-18%, -16%); }
.order-head { display: flex; gap: 10px; align-items: center; }
.order-head img { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; }
.order-head b { font-size: var(--t-small); font-weight: 500; display: block; }
.order-head span { font-size: var(--t-micro); color: var(--mute); }
.order-bar { display: grid; gap: 6px; margin-top: 14px; font-size: var(--t-micro); color: var(--mute); }
.order-bar i { display: block; height: 4px; border-radius: 2px; background: var(--line); position: relative; overflow: hidden; }
.order-bar i::after { content: ""; position: absolute; inset: 0; background: var(--lime); transform: scaleX(var(--v)); transform-origin: left; }
.order-meta { display: flex; justify-content: space-between; font-size: var(--t-micro); color: var(--mute); margin: 14px 0; }

/* ===== faq ===== */
.faq-rail {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 4px calc((100% - min(1100px, 100%)) / 2) 24px;
  margin: 0 calc(var(--gutter) * -1); padding-left: var(--gutter); padding-right: var(--gutter);
}
.faq-rail::-webkit-scrollbar { display: none; }
.qa {
  flex: 0 0 min(360px, 82vw); scroll-snap-align: start;
  border-radius: 18px; background: var(--paper); border: 1px solid var(--line); padding: 18px;
  display: grid; grid-template-rows: auto auto 1fr; gap: 14px; min-height: 260px;
}
.q { justify-self: start; font-size: var(--t-micro); padding: 8px 12px; border-radius: 14px 14px 14px 4px; background: var(--white); border: 1px solid var(--line); color: var(--ink); max-width: 90%; }
.a { justify-self: end; font-size: var(--t-small); padding: 12px 14px; border-radius: 14px 14px 4px 14px; background: var(--ink); color: var(--chalk); max-width: 88%; line-height: 1.45; }
.qa footer { align-self: end; display: flex; gap: 10px; align-items: center; font-size: var(--t-micro); color: var(--ink); }
.qa footer img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.qa footer i { font-style: normal; color: var(--mute); margin-right: 6px; }
.faq-nav { display: flex; justify-content: center; gap: 8px; margin-top: 8px; }
.faq-nav button { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-2); font-size: 1.1rem; display: grid; place-items: center; transition: background var(--fast), color var(--fast); }
.faq-nav button:hover { background: var(--ink); color: var(--white); }

@media (max-width: 900px) {
  .toolkit-grid, .cycle-grid { grid-template-columns: 1fr; }
  .phone-col { position: static; }
  .tool { grid-template-columns: 24px 48px 1fr; gap: 12px; padding: 16px 12px; }
  .tool-ico { width: 48px; height: 48px; }
  .deck-track { grid-template-columns: repeat(3, 120px); }
  .deck-track img { width: 120px; height: 160px; }
}