/* Secciones finales: historia, principios, roadmap, preguntas, cierre y pie */
.center-head { display: flex; flex-direction: column; align-items: center; text-align: center; }

/* Historia: cada sol deja un rastro */
.story { position: relative; padding-block: clamp(4.5rem, 9vw, 8rem); border-top: 1px solid var(--line); }
.story-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); align-items: center; gap: clamp(2.4rem, 6vw, 6rem); }
.story-text { min-width: 0; }
.story-text .section-title { max-width: 13em; }
.story-copy { display: grid; gap: 1.1rem; max-width: 34rem; margin-top: 1.7rem; color: var(--text-2); font-size: clamp(1rem, 1.5vw, 1.1rem); line-height: 1.7; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; margin: 2.4rem 0 0; padding-top: 1.7rem; border-top: 1px solid var(--line); }
.fact dt { display: flex; flex-direction: column; gap: 0.4rem; }
.fact dt b {
  width: fit-content;
  font: 500 clamp(2.1rem, 4vw, 3.1rem) / 1 var(--font-mono);
  letter-spacing: -0.04em;
  background: linear-gradient(95deg, var(--ember-2), var(--crimson));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.fact dt span { color: var(--text); font-size: 0.9rem; font-weight: 600; line-height: 1.3; }
.fact dd { margin: 0.45rem 0 0; color: var(--text-3); font-size: 0.8rem; line-height: 1.5; }

.story-visual { min-width: 0; }
.trail-body { padding: clamp(1rem, 2.4vw, 1.7rem); }
.trail-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.trail-head small { display: block; color: var(--text-3); font: 500 0.68rem/1.2 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.trail-head h3 { margin-top: 0.45rem; font: 700 1.6rem/1.1 var(--font-display); letter-spacing: -0.025em; }
.trail-price { text-align: right; }
.trail-price b { display: block; margin-top: 0.35rem; font: 500 1.5rem/1 var(--font-mono); letter-spacing: -0.03em; }
.trail-q { margin: 1.5rem 0 0.4rem; font-weight: 600; }

.trail-bar { --bar-h: 48px; --top: 2.4rem; position: relative; padding-top: var(--top); }
.segs { display: flex; height: var(--bar-h); margin: 0; padding: 0; overflow: hidden; border-radius: 12px; list-style: none; }
.seg {
  flex: var(--w) 1 0;
  min-width: 3px;
  background: color-mix(in srgb, var(--text) 14%, var(--bg-3));
  box-shadow: inset -2px 0 0 var(--bg-2);
  transform-origin: left;
  transition: filter 0.25s, box-shadow 0.25s;
  cursor: pointer;
}
.seg:nth-child(even) { background: color-mix(in srgb, var(--text) 24%, var(--bg-3)); }
.seg.seg--heavy { background: linear-gradient(180deg, var(--ember-2), var(--ember)); }
.seg.seg--margin {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--text);
  box-shadow: none;
  color: var(--bg);
  font: 600 0.8rem/1 var(--font-body);
  white-space: nowrap;
}
.seg.is-hot { filter: brightness(1.35); box-shadow: inset 0 0 0 2px var(--ember-2); }
.seg.seg--margin.is-hot { filter: none; box-shadow: inset 0 0 0 3px var(--ember); }
.over {
  position: absolute;
  top: var(--top);
  left: var(--l);
  width: var(--w);
  height: var(--bar-h);
  border: 1.5px dashed var(--crimson);
  border-radius: 6px;
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--crimson) 50%, transparent) 0 5px, transparent 5px 10px);
  pointer-events: none;
}
.goal-line { position: absolute; top: calc(var(--top) - 0.6rem); bottom: -0.5rem; left: var(--l); width: 2px; background: var(--text); pointer-events: none; }
.goal-line em {
  position: absolute;
  top: -1.35rem;
  left: 50%;
  color: var(--text-2);
  font: 500 0.68rem/1 var(--font-mono);
  font-style: normal;
  transform: translateX(-50%);
  white-space: nowrap;
}

.trail-read {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.3rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}
.read-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--text); }
.read-dot.is-heavy { background: var(--ember); box-shadow: 0 0 12px var(--ember); }
.read-dot.is-part { background: color-mix(in srgb, var(--text) 40%, var(--bg-3)); }
.trail-read b { display: block; font-size: 0.95rem; font-weight: 600; }
.trail-read small { display: block; margin-top: 0.15rem; color: var(--text-2); font-size: 0.82rem; font-weight: 500; line-height: 1.4; }
.read-val { text-align: right; }
.trail-read .num { font-family: var(--font-mono); font-size: 0.92em; letter-spacing: -0.02em; }
.read-val b { font: 500 1.15rem/1 var(--font-mono); letter-spacing: -0.02em; }
.read-val em { display: block; margin-top: 0.25rem; color: var(--text-3); font: 500 0.75rem/1 var(--font-mono); font-style: normal; }

.legend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.2rem 0.8rem; margin: 0.9rem 0 0; padding: 0; list-style: none; }
.legend button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 44px;
  padding: 0 0.5rem;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--text-2);
  font: 500 0.84rem/1.25 var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}
.legend button:hover, .legend button.is-hot { background: color-mix(in srgb, var(--text) 8%, transparent); color: var(--text); }
.legend b { color: var(--text); font: 500 0.8rem/1 var(--font-mono); }
.lg-dot { width: 10px; height: 10px; border-radius: 3px; background: color-mix(in srgb, var(--text) 24%, var(--bg-3)); }
.lg-dot--heavy { background: var(--ember); }
.lg-dot--margin { background: var(--text); }
.trail-caption { margin-top: 1rem; color: var(--text-2); font-size: 0.86rem; line-height: 1.65; }
.trail-caption b { color: var(--ember-2); font-weight: 600; }

/* Principios */
.principles, .soon, .faq { position: relative; padding-block: clamp(4.5rem, 9vw, 8rem); border-top: 1px solid var(--line); }
.pr-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: clamp(2.4rem, 5vw, 4rem) 0 0; padding: 0; list-style: none; }
.pr-card, .soon-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: color-mix(in srgb, var(--bg-2) 70%, transparent);
  transition: border-color 0.3s;
}
.pr-card { display: flex; flex-direction: column; min-height: 320px; padding: 1.5rem; }
.pr-card::before, .soon-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(260px circle at var(--sx, 50%) var(--sy, 0%), color-mix(in srgb, var(--ember) 22%, transparent), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.pr-card:hover, .soon-card:hover { border-color: color-mix(in srgb, var(--ember) 45%, var(--line)); }
.pr-card:hover::before, .soon-card:hover::before { opacity: 1; }
.pr-num { color: var(--text-3); font: 500 0.8rem/1 var(--font-mono); letter-spacing: 0.06em; }
.pr-ico { display: grid; place-items: center; width: 50px; height: 50px; margin: 1.6rem 0 auto; border-radius: 15px; background: color-mix(in srgb, var(--ember) 14%, transparent); color: var(--ember-2); }
.pr-ico .ico { width: 24px; height: 24px; }
.pr-card h3 { min-height: 2.4em; margin-top: 2rem; font: 700 1.25rem/1.2 var(--font-display); letter-spacing: -0.025em; }
.pr-card p { margin-top: 0.7rem; color: var(--text-2); font-size: 0.94rem; line-height: 1.6; }

/* Próximamente */
.soon-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; max-width: 940px; margin: clamp(2.4rem, 5vw, 3.6rem) auto 0; }
.soon-card { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: 1.2rem; padding: 1.7rem; border-style: dashed; }
.soon-ico { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg); color: var(--ember-2); }
.soon-ico .ico { width: 26px; height: 26px; }
.soon-sub { color: var(--ember-2); font: 500 0.72rem/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.soon-card h3 { margin-top: 0.6rem; font: 700 1.3rem/1.2 var(--font-display); letter-spacing: -0.025em; }
.soon-text { margin-top: 0.6rem; color: var(--text-2); font-size: 0.94rem; line-height: 1.6; }
.soon-tag { position: absolute; top: 1.1rem; right: 1.1rem; padding: 0.3rem 0.65rem; border: 1px solid var(--line); border-radius: 999px; color: var(--text-3); font: 500 0.66rem/1.2 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }

/* Preguntas */
.faq-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); align-items: start; gap: clamp(2rem, 6vw, 6rem); }
.faq-head { position: sticky; top: 110px; }
.faq-more { margin-top: 1.4rem; color: var(--text-2); }
.faq-more a { display: inline-flex; align-items: center; gap: 0.4rem; min-height: 44px; color: var(--ember-2); font-weight: 600; text-decoration: none; }
.faq-more a:hover { text-decoration: underline; }
.faq-more .ico { width: 1em; height: 1em; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  min-height: 68px;
  padding: 1.1rem 0;
  border: 0;
  background: none;
  color: var(--text);
  font: 600 clamp(1rem, 1.6vw, 1.15rem) / 1.35 var(--font-display);
  letter-spacing: -0.012em;
  text-align: left;
  cursor: pointer;
}
.faq-q:hover { color: var(--ember-2); }
.faq-plus { display: grid; flex: none; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; color: var(--text-2); transition: transform 0.4s var(--ease-out), background-color 0.3s, border-color 0.3s, color 0.3s; }
.faq-plus .ico { width: 16px; height: 16px; }
.faq-item.is-open .faq-plus { border-color: var(--ember); background: var(--ember); color: var(--on-ember); transform: rotate(45deg); }
.faq-a { overflow: hidden; }
.faq-a p { max-width: 40rem; padding: 0 3rem 1.4rem 0; color: var(--text-2); line-height: 1.7; }
html:not(.js) .faq-a { display: block; }

/* Cierre */
.cta { position: relative; padding-block: clamp(5rem, 11vw, 9rem); overflow: clip; border-top: 1px solid var(--line); text-align: center; isolation: isolate; }
.cta-light {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse 52% 62% at 50% 100%, color-mix(in srgb, var(--ember) 30%, transparent), transparent 70%),
    radial-gradient(ellipse 72% 72% at 50% 100%, color-mix(in srgb, var(--crimson) 14%, transparent), transparent 76%);
}
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-trail { width: min(190px, 46vw); margin-bottom: 1.8rem; overflow: visible; }
.cta-trail circle { fill: var(--text-3); }
.cta-trail circle:nth-child(2) { fill: var(--text-2); }
.cta-trail circle:nth-child(3) { fill: var(--ember-2); }
.cta-trail .cta-trail-end { fill: var(--ember); filter: drop-shadow(0 0 10px var(--ember)); }
.cta-title { max-width: 16em; margin-top: 1.2rem; font: 700 clamp(2.2rem, 6vw, 4.8rem) / 1.03 var(--font-display); letter-spacing: -0.036em; text-wrap: balance; }
.cta-lede { max-width: 35rem; margin-top: 1.5rem; color: var(--text-2); font-size: clamp(1rem, 1.7vw, 1.2rem); line-height: 1.6; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.9rem; margin-top: 2.3rem; }
.cta-note { margin-top: 1.3rem; color: var(--text-3); font-size: 0.9rem; }
.cta-points { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.7rem; margin: 1.7rem 0 0; padding: 0; list-style: none; color: var(--text-2); font-size: 0.92rem; }
.cta-points li { display: inline-flex; align-items: center; gap: 0.45rem; }
.cta-points .ico { width: 1.05em; height: 1.05em; color: var(--ember-2); }

.footer { position: relative; overflow: clip; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr)); gap: 2rem; padding-block: clamp(3rem, 6vw, 5rem) 1rem; }
.footer-brand { display: grid; align-content: start; gap: 1rem; }
.footer-brand .brand-logo { height: 30px; }
.footer-brand p { max-width: 20rem; color: var(--text-2); }
.footer-pe { color: var(--text-3); font-size: 0.85rem; }
.footer-col { display: grid; align-content: start; gap: 0.2rem; }
.footer-col b { margin-bottom: 0.5rem; color: var(--text-3); font: 500 0.74rem/1 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.footer-col a { display: inline-flex; align-items: center; min-height: 44px; color: var(--text-2); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--ember-2); }
.footer-wordmark { margin-top: clamp(1rem, 3vw, 2.5rem); padding-inline: clamp(1rem, 4vw, 2rem); opacity: 0.2; pointer-events: none; -webkit-mask-image: linear-gradient(#000 35%, transparent); mask-image: linear-gradient(#000 35%, transparent); }
.footer-wordmark svg { display: block; width: 100%; height: auto; color: var(--text); }
.footer-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.6rem 2rem; padding-block: 1.4rem 2rem; border-top: 1px solid var(--line); color: var(--text-3); font-size: 0.82rem; }

.sticky-cta {
  position: fixed;
  right: clamp(0.8rem, 2vw, 1.6rem);
  bottom: clamp(0.8rem, 2vw, 1.6rem);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.35s, transform 0.45s var(--ease-out), visibility 0.35s;
}
.sticky-cta.is-on { opacity: 1; visibility: visible; transform: none; }
.sticky-wa { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: var(--ember); color: var(--on-ember); box-shadow: 0 14px 34px -10px color-mix(in srgb, var(--ember) 80%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.sticky-wa .ico { width: 24px; height: 24px; }
.sticky-demo { min-height: 54px; box-shadow: 0 14px 34px -10px color-mix(in srgb, var(--ember) 80%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.35); }

.nav-links a[aria-current="true"] { color: var(--text); background: color-mix(in srgb, var(--ember) 14%, transparent); }

@media (min-width: 901px) { .sticky-demo { display: none; } }

@media (max-width: 1100px) {
  .pr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pr-card { min-height: 260px; }
}

@media (max-width: 960px) {
  .story-grid, .faq-grid { grid-template-columns: minmax(0, 1fr); }
  .faq-head { position: static; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .facts { grid-template-columns: minmax(0, 1fr); gap: 1.1rem; }
  .fact { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 0.2rem 1rem; }
  .fact dd { grid-column: 2; margin: 0; }
  .fact dt { display: contents; }
  .fact dt b { grid-row: 1 / span 2; min-width: 4.4ch; }
  .fact dt span { align-self: end; }
  .pr-grid, .soon-grid { grid-template-columns: minmax(0, 1fr); }
  .pr-card { min-height: 0; }
  .pr-ico { margin: 1.2rem 0 0; }
  .pr-card h3 { min-height: 0; margin-top: 1.2rem; }
  .soon-card { padding: 1.4rem; padding-top: 3rem; }
  .legend { grid-template-columns: minmax(0, 1fr); }
  .faq-a p { padding-right: 0; }
  .cta-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .sticky-cta { transition: none; }
}