/* ============================================================
   Método · visualizaciones interactivas
   ============================================================ */

/* ---------- Embudo de tres filtros ---------- */
.funnel { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px; align-items: stretch; }
.filter-list { display: grid; gap: 12px; align-content: start; }
.filter-btn {
  text-align: left; display: grid; grid-template-columns: auto 1fr; gap: 6px 20px; align-items: baseline;
  padding: 24px 28px; border-radius: var(--r-card); border: 1px solid var(--line); background: transparent;
  transition: background-color .4s, border-color .4s, transform .5s var(--ease);
}
.filter-btn .n { font-size: 13px; letter-spacing: .12em; color: var(--muted); transition: color .4s; grid-row: span 2; }
.filter-btn h3 { font-size: 1.35rem; letter-spacing: -0.02em; }
.filter-btn p { margin: 0; color: var(--text); font-size: 15px; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .6s var(--ease), opacity .4s; }
.filter-btn:hover { border-color: var(--line-strong); }
.filter-btn[aria-pressed="true"] { background: var(--card); border-color: var(--line-strong); }
.filter-btn[aria-pressed="true"] .n { color: var(--accent); }
.filter-btn[aria-pressed="true"] p { max-height: 120px; opacity: 1; margin-top: 6px; }
.funnel-stage { position: relative; background: var(--bg); border-radius: var(--r-card); overflow: hidden; min-height: 460px; }
.funnel-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.funnel-hud { position: absolute; left: 24px; right: 24px; bottom: 20px; display: flex; justify-content: space-between; align-items: end; gap: 16px; pointer-events: none; }
.funnel-hud .count { font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 1; letter-spacing: -0.05em; color: var(--stat); }
.funnel-hud .what { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--strong); text-align: right; max-width: 24ch; }
.illus-note { position: absolute; top: 18px; left: 24px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 860px) { .funnel { grid-template-columns: 1fr; } .funnel-stage { min-height: 360px; } }

/* ---------- Pilares ---------- */
.pillar { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.pillar + .pillar { margin-top: clamp(64px, 8vw, 120px); }
.pillar.flip { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.pillar.flip > :first-child { order: 2; }
.pillar .q { font-size: clamp(1.2rem, 1.8vw, 1.5rem); color: var(--accent); letter-spacing: -0.015em; margin: 18px 0 18px; }
.pillar-viz { position: relative; background: var(--bg); border-radius: var(--r-card); padding: 24px; min-height: 420px; display: flex; flex-direction: column; }
.pillar-viz svg { width: 100%; height: auto; flex: 1; overflow: visible; }
.viz-legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--text); margin-bottom: 12px; }
.viz-legend span { display: inline-flex; gap: 8px; align-items: center; }
.viz-legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
.viz-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 12px; font-size: 12px; color: var(--muted); letter-spacing: .06em; }
.viz-readout { min-height: 3em; margin-top: 12px; padding: 14px 16px; border-radius: 10px; background: var(--card); font-size: 14px; color: var(--strong); }
.viz-readout b { font-weight: 500; color: var(--ink); }
@media (max-width: 860px) { .pillar, .pillar.flip { grid-template-columns: 1fr; } .pillar.flip > :first-child { order: 0; } }

/* trazos animados */
.draw { stroke-dasharray: var(--len, 2000); stroke-dashoffset: var(--len, 2000); transition: stroke-dashoffset 2.6s var(--ease); }
.is-in .draw { stroke-dashoffset: 0; }
.grow { transform-box: fill-box; transform-origin: 50% 100%; transform: scaleY(0); transition: transform 1s var(--ease); }
.is-in .grow { transform: scaleY(1); }
.zone { opacity: 0; transition: opacity 1s 1.8s; }
.is-in .zone { opacity: 1; }
.candle { cursor: pointer; }
.candle .hit { fill: transparent; }
.candle.is-active .body-buy, .candle:hover .body-buy { filter: brightness(1.25); }

/* ---------- Secuencia ---------- */
.sequence { position: relative; display: grid; gap: 0; }
.seq-rail { position: absolute; left: 27px; top: 8px; bottom: 8px; width: 2px; background: var(--line); border-radius: 2px; }
.seq-rail i { position: absolute; inset: 0 0 auto 0; height: var(--p, 0%); background: var(--ink); border-radius: 2px; }
.seq-step { display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding: 28px 0 48px; }
.seq-dot { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--line-strong); color: var(--muted); font-size: 15px; position: relative; z-index: 1; transition: background-color .5s, color .5s, border-color .5s, box-shadow .5s; }
.seq-step.on .seq-dot { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.seq-step h3 { font-size: clamp(1.5rem, 2.6vw, 2.25rem); letter-spacing: -0.03em; }
.seq-step p { margin: 12px 0 0; max-width: 60ch; font-size: 17px; }
.seq-step.final h3 { color: var(--accent); }
.seq-tag { display: inline-block; margin-top: 16px; }

/* ---------- Cita gigante ---------- */
.mega-quote { font-size: clamp(2.2rem, 6.2vw, 6.4rem); line-height: 1; letter-spacing: -0.045em; color: var(--ink); max-width: 18ch; }
.mega-quote .w { opacity: .14; transition: opacity .6s; }
.mega-quote .w.lit { opacity: 1; }
.mega-quote .em { color: var(--accent); }
.quote-sign { margin-top: 32px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* Pilares de entrada rápida (tabs ancla) */
.anchor-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.anchor-row a { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; padding: 10px 14px; border-radius: var(--r-sm); border: 1px solid var(--line-strong); color: var(--strong); transition: background-color .3s, border-color .3s; }
.anchor-row a:hover { background: var(--ghost-bg); border-color: var(--ink); }
.secret { display: inline-flex; align-items: center; gap: 10px; margin-top: 28px; font-size: 13px; color: var(--text); }
.secret svg { width: 16px; height: 16px; color: var(--accent); }