/* ============================================================
   FUSION TRAINING — page styles
   Built on styles.css tokens. Ink on paper. Spare. Confident.
   ============================================================ */

/* ---------- generic narrative block ---------- */
.ft-block { padding-block: var(--air); }
.ft-block__head { max-width: 60ch; }
.ft-block .eyebrow { margin-bottom: 1.5rem; }
.ft-block h3 {
  font-size: var(--fs-h2); font-weight: 300;
  letter-spacing: -0.03em; line-height: 1.08; max-width: 20ch;
}
.ft-block__lead {
  margin-top: 1.75rem; max-width: 52ch;
  color: var(--ink-55); font-weight: 300;
  font-size: var(--fs-lead); line-height: 1.6;
}
.ft-block__lead + .ft-block__lead { margin-top: 1.1rem; }

/* small tracked meta line, e.g. "$100M+ · months · thousands of GPUs" */
.ft-meta {
  margin-top: 2.25rem; display: flex; flex-wrap: wrap;
  gap: 0.75rem 1.5rem; align-items: center;
}
.ft-meta span {
  font-size: var(--fs-micro); letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 500; color: var(--ink-45);
}
.ft-meta span + span::before {
  content: ""; display: inline-block; width: 3px; height: 3px;
  border-radius: 50%; background: var(--ink-30);
  margin-right: 1.5rem; vertical-align: middle;
}

/* ---------- category comparison ---------- */
.ft-compare {
  margin-top: clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid rgba(0,0,0,0.08);
}
.ft-row {
  display: grid;
  grid-template-columns: 1.1fr 1.6fr 1.2fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vh, 2.25rem) 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  align-items: baseline;
}
.ft-row__name {
  font-size: 1.15rem; font-weight: 400; letter-spacing: -0.02em;
}
.ft-row__desc { color: var(--ink-55); font-weight: 300; font-size: var(--fs-lead); line-height: 1.5; }
.ft-row__cost {
  font-size: var(--fs-micro); letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 500; color: var(--ink-45); line-height: 1.7;
}
.ft-row--feature {
  background: var(--ink); color: var(--paper);
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  border-bottom-color: var(--ink);
}
.ft-row--feature .ft-row__desc { color: var(--pap-70); }
.ft-row--feature .ft-row__cost { color: var(--pap-55); }
.ft-row--feature .ft-row__name { font-weight: 500; }

/* ---------- process steps ---------- */
.ft-steps {
  margin-top: clamp(2.5rem, 6vh, 4rem);
  display: grid; gap: 0;
}
.ft-step {
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: start;
  padding: clamp(1.75rem, 4vh, 2.75rem) 0;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.ft-step:last-child { border-bottom: 1px solid rgba(0,0,0,0.08); }
.ft-step__num {
  font-size: var(--fs-micro); font-weight: 500; letter-spacing: 0.2em;
  color: var(--ink-30); padding-top: 0.45rem;
}
.ft-step__name {
  font-size: 1.35rem; font-weight: 400; letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.ft-step__desc {
  color: var(--ink-55); font-weight: 300; font-size: var(--fs-lead);
  line-height: 1.55; max-width: 54ch;
}
.ft-step__time {
  font-size: var(--fs-micro); letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 500; color: var(--ink-45); white-space: nowrap; padding-top: 0.5rem;
}
.ft-step__time--accent { color: var(--ink); }

/* ---------- big-number stat grid ---------- */
.ft-stats {
  margin-top: clamp(2.5rem, 6vh, 4rem);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}
.ft-stat__num {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 200;
  letter-spacing: -0.04em; line-height: 1;
}
.ft-stat__label {
  margin-top: 1rem; font-size: var(--fs-micro); letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 500; color: var(--ink-45); line-height: 1.6;
}

/* ---------- proof table (perplexity) ---------- */
.ft-table { margin-top: clamp(2.5rem, 6vh, 4rem); border-top: 1px solid rgba(0,0,0,0.08); }
.ft-trow {
  display: grid; grid-template-columns: 1.6fr 0.7fr 0.7fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding: 1.4rem 0; border-bottom: 1px solid rgba(0,0,0,0.08);
  align-items: baseline;
}
.ft-trow--head .ft-tcell {
  font-size: var(--fs-micro); letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 500; color: var(--ink-45);
}
.ft-tcell__name { font-size: var(--fs-lead); font-weight: 300; color: var(--ink-55); }
.ft-tcell__num {
  font-size: 1.5rem; font-weight: 300; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.ft-tcell--num { text-align: right; }
.ft-trow--best { color: var(--ink); }
.ft-trow--best .ft-tcell__name { color: var(--ink); font-weight: 400; }
.ft-trow--best .ft-tcell__num { font-weight: 400; }
.ft-tag {
  display: inline-block; margin-left: 0.6rem;
  font-size: 0.5rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 600; color: var(--paper); background: var(--ink);
  padding: 0.25em 0.55em; vertical-align: middle;
}
.ft-table__foot {
  margin-top: 1.4rem; font-size: var(--fs-micro); letter-spacing: 0.04em;
  color: var(--ink-45); line-height: 1.6;
}

/* ---------- validated findings ---------- */
.ft-findings {
  margin-top: clamp(2.5rem, 6vh, 4rem);
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(2rem, 5vw, 4rem);
}
.ft-finding { border-top: 1px solid rgba(0,0,0,0.08); padding-top: 1.4rem; }
.ft-finding h4 {
  font-size: 1.05rem; font-weight: 400; letter-spacing: -0.02em; margin-bottom: 0.6rem;
}
.ft-finding p { color: var(--ink-55); font-weight: 300; font-size: var(--fs-body); line-height: 1.55; }

/* ---------- why it matters cards ---------- */
.ft-why {
  margin-top: clamp(2.5rem, 6vh, 4rem);
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.ft-card { border-top: 1px solid var(--ink); padding-top: 1.5rem; }
.ft-card h4 {
  font-size: 1.25rem; font-weight: 400; letter-spacing: -0.02em; margin-bottom: 0.85rem;
}
.ft-card p { color: var(--ink-55); font-weight: 300; font-size: var(--fs-lead); line-height: 1.55; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .ft-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .ft-row--feature { margin-inline: 0; }
  .ft-step { grid-template-columns: 2.5rem 1fr; }
  .ft-step__time { grid-column: 2; padding-top: 0.9rem; }
  .ft-stats { grid-template-columns: repeat(2, 1fr); gap: 2.25rem; }
  .ft-findings, .ft-why { grid-template-columns: 1fr; }
  .ft-trow { grid-template-columns: 1.4fr 0.8fr 0.8fr; gap: 1rem; }
}
@media (max-width: 520px) {
  .ft-stats { grid-template-columns: 1fr; }
}