/* ============================================================
   Generación IA — Landing styles · v2 familias
   Built on Racks University design tokens.
   ============================================================ */

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); overflow-x: hidden; }
img { max-width: 100%; display: block; }

/* ───────────────── Theme controllers ───────────────── */
[data-lead="red"]    { --lead: var(--ru-red); --lead-600: var(--ru-red-600); --lead-700: var(--ru-red-700); --lead-200: var(--ru-red-200); --lead-50: var(--ru-red-50); --ring: var(--shadow-ring-red); --accent: var(--ra-orange); }
[data-lead="orange"] { --lead: var(--ra-orange); --lead-600: var(--ra-orange-600); --lead-700: var(--ra-orange-700); --lead-200: var(--ra-orange-200); --lead-50: var(--ra-orange-50); --ring: var(--shadow-ring-orange); --accent: var(--ru-red); }
[data-lead="ink"]    { --lead: var(--ink); --lead-600: var(--ink-800); --lead-700: var(--ink-900); --lead-200: var(--ink-300); --lead-50: var(--ink-100); --ring: 0 0 0 4px rgba(16,16,16,0.18); --accent: var(--ru-red); }

[data-density="airy"]    { --pad-y: clamp(96px, 13vw, 168px); --pad-y-sm: clamp(72px, 9vw, 120px); --gap-block: clamp(56px, 7vw, 88px); }
[data-density="compact"] { --pad-y: clamp(64px, 8vw, 104px); --pad-y-sm: clamp(48px, 6vw, 80px); --gap-block: clamp(32px, 4vw, 56px); }

[data-theme="dark"] {
  --bg: var(--ink); --bg-elevated: var(--ink-900); --bg-subtle: var(--ink-800); --bg-muted: var(--ink-700);
  --fg: var(--white); --fg-muted: var(--ink-300); --fg-subtle: var(--ink-400);
  --border: var(--ink-700); --border-strong: var(--ink-600);
}
[data-theme="dark"] body { background: var(--bg); color: var(--fg); }

/* ───────────────── Layout primitives ───────────────── */
.container { width: 100%; max-width: var(--content-max); margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }
section.block { padding: var(--pad-y) 0; position: relative; }

.eyebrow {
  font-family: var(--font-sans); font-weight: 700; font-size: var(--fs-12); line-height: 1;
  letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--lead);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 1.5px; background: var(--lead); }

.display-xl {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(32px, 4.4vw, 60px); line-height: 1.0; letter-spacing: -0.04em;
  margin: 0; text-wrap: balance;
}
.h-section {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(30px, 3.8vw, 56px); line-height: 1.02; letter-spacing: -0.035em;
  margin: 0; text-wrap: balance;
}
.h-anchor {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(24px, 2.8vw, 44px); line-height: 1.08; letter-spacing: -0.03em;
  margin: 0; text-wrap: balance;
}
.lead-p { font-size: clamp(17px, 1.5vw, 21px); line-height: 1.5; color: var(--fg-muted); max-width: 60ch; text-wrap: pretty; margin: 0; }

/* ───────────────── Buttons ───────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 0; border-radius: var(--r-md); padding: 14px 22px;
  font-family: var(--font-sans); font-weight: 700; font-size: 15px; letter-spacing: -0.005em;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);
}
.btn:focus-visible { outline: 0; box-shadow: var(--ring); }
.btn:active        { transform: scale(0.98); }
.btn--primary      { background: var(--lead); color: var(--white); }
.btn--primary:hover{ background: var(--lead-600); }
.btn--ghost        { background: transparent; color: var(--fg); border: 1px solid var(--border-strong); }
.btn--ghost:hover  { background: var(--bg-muted); }
.btn--lg           { padding: 18px 28px; font-size: 16px; }
.btn .arrow        { width: 18px; height: 18px; transition: transform var(--dur-fast) var(--ease-standard); }
.btn:hover .arrow  { transform: translateX(3px); }

/* ───────────────── Header ───────────────── */
.header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.brandmark { display: flex; align-items: center; gap: 12px; color: var(--fg); text-decoration: none; }
.brandmark img { height: 32px; width: auto; }
.brandmark-text { display: flex; flex-direction: column; line-height: 1; }
.brandmark-text .top { font-family: var(--font-display); font-weight: 900; font-size: 15px; letter-spacing: -0.025em; }
.brandmark-text .sub { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-muted); margin-top: 3px; font-weight: 600; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--fg-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color var(--dur-fast) var(--ease-standard); }
.nav a:hover { color: var(--fg); }
@media (max-width: 1080px) { .nav { display: none; } }

/* ───────────────── HERO ───────────────── */
.hero { position: relative; padding: clamp(48px, 6vw, 88px) 0 clamp(72px, 8vw, 120px); overflow: hidden; }
.hero[data-style="split"]  .hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 5vw, 80px); align-items: center; }
.hero[data-style="stack"]  .hero-grid { display: flex; flex-direction: column; gap: clamp(40px, 5vw, 64px); align-items: stretch; }
.hero[data-style="stack"]  .hero-copy { max-width: 980px; }
.hero[data-style="stack"]  .video-card { aspect-ratio: 16/9; }
.hero[data-style="bleed"]  { padding-top: 0; padding-bottom: 0; }
.hero[data-style="bleed"]  .hero-grid { display: block; position: relative; min-height: 88vh; }
.hero[data-style="bleed"]  .hero-copy { position: relative; z-index: 2; padding: clamp(80px, 10vw, 160px) 0 clamp(64px, 8vw, 120px); max-width: 760px; color: var(--white); }
.hero[data-style="bleed"]  .hero-video-wrap { position: absolute; inset: 0; }
.hero[data-style="bleed"]  .video-card { position: absolute; inset: 0; aspect-ratio: auto; border: 0; border-radius: 0; }
.hero[data-style="bleed"]  .video-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, rgba(16,16,16,0.78) 0%, rgba(16,16,16,0.55) 45%, rgba(16,16,16,0.25) 100%); }
.hero[data-style="bleed"]  .lead-p { color: rgba(255,255,255,0.85); }
@media (max-width: 880px) { .hero[data-style="split"] .hero-grid { grid-template-columns: 1fr; } }

.hero-copy { display: flex; flex-direction: column; gap: clamp(20px, 2vw, 28px); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero-trust { margin-top: 8px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 12px; color: var(--fg-subtle); }
.hero-trust .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--border-strong); }
.hero-shield-bg { position: absolute; right: -10%; top: -8%; width: 65vw; max-width: 880px; opacity: 0.045; pointer-events: none; z-index: 0; }
[data-theme="dark"] .hero-shield-bg { opacity: 0.08; }
.hero[data-style="bleed"] .hero-shield-bg { display: none; }

/* Video placeholder */
.video-card {
  position: relative; width: 100%; aspect-ratio: 4 / 5;
  background: var(--ink); border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.video-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(248,144,24,0.22), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(192,24,16,0.32), transparent 50%),
    linear-gradient(135deg, #181818, #0a0a0a);
}
.video-grain {
  position: absolute; inset: 0; mix-blend-mode: overlay; opacity: 0.4;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.6'/></svg>");
}
.video-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(20px, 3vw, 32px); color: var(--white);
}
.video-poster-meta {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.7);
}
.video-poster-meta .rec {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ra-orange);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(248,144,24,0.6);} 70%{box-shadow:0 0 0 12px rgba(248,144,24,0);} 100%{box-shadow:0 0 0 0 rgba(248,144,24,0);} }
.video-title { font-family: var(--font-display); font-weight: 900; font-size: clamp(20px, 2.6vw, 32px); letter-spacing: -0.03em; line-height: 1.05; margin: 0; max-width: 22ch; color: var(--white); }
.video-play-btn {
  appearance: none; border: 0; cursor: pointer;
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: clamp(72px, 9vw, 96px); height: clamp(72px, 9vw, 96px); border-radius: 50%;
  background: var(--white); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4), 0 0 0 12px rgba(255,255,255,0.12);
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.video-play-btn:hover { transform: translate(-50%, -50%) scale(1.06); box-shadow: 0 12px 36px rgba(0,0,0,0.5), 0 0 0 18px rgba(255,255,255,0.16); }
.video-play-btn svg { width: 28px; height: 28px; margin-left: 4px; }

/* ───────────────── Banners (green/pink/blue) ───────────────── */
.banner {
  margin-top: clamp(32px, 4vw, 48px);
  border-radius: var(--r-lg);
  padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  font-size: 16px; line-height: 1.45;
  font-weight: 500;
}
.banner strong { font-weight: 700; }
.banner-ico {
  flex-shrink: 0;
  width: 28px; height: 28px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 900; font-size: 16px;
}
.banner--green { background: #E8F5EA; color: #1B5E20; border: 1px solid #BFE5C5; }
.banner--green .banner-ico { background: #2E7D32; color: var(--white); }
.banner--pink  { background: #FCE7E5; color: #7A1F18; border: 1px solid #F5C4BF; }
.banner--pink  .banner-ico { background: var(--lead); color: var(--white); }
.banner--blue  { background: #E6EEF9; color: #0D3D7A; border: 1px solid #BFD1ED; font-style: italic; }
.banner--blue  .banner-ico { background: #1559B5; color: var(--white); font-style: normal; }

[data-theme="dark"] .banner--green { background: rgba(46,125,50,0.18); color: #BFE5C5; border-color: rgba(191,229,197,0.25); }
[data-theme="dark"] .banner--pink  { background: rgba(192,24,16,0.18); color: #F5C4BF; border-color: rgba(245,196,191,0.25); }
[data-theme="dark"] .banner--blue  { background: rgba(21,89,181,0.18); color: #BFD1ED; border-color: rgba(191,209,237,0.25); }

/* ───────────────── BLOQUE 2 — Por qué ahora (negro) ───────────────── */
.why-now { background: var(--ink); color: var(--white); }
.why-now .eyebrow { color: var(--lead-200); }
.why-now .h-section { color: var(--white); }
.why-now .lead-p { color: rgba(255,255,255,0.75); }

.gap-table {
  margin-top: clamp(48px, 6vw, 72px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}
.gap-head {
  display: grid; grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.gap-col-head {
  padding: 16px 22px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
}
.gap-col-head.no  { color: rgba(255,255,255,0.55); border-right: 1px solid rgba(255,255,255,0.14); }
.gap-col-head.yes { color: var(--lead-200); }
.gap-row {
  display: grid; grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.gap-row:last-child { border-bottom: 0; }
.gap-cell {
  padding: 18px 22px;
  font-size: 17px; font-weight: 600;
  display: flex; align-items: center; gap: 12px;
}
.gap-cell.no  { color: rgba(255,255,255,0.55); text-decoration: line-through; text-decoration-color: rgba(255,255,255,0.25); border-right: 1px solid rgba(255,255,255,0.08); }
.gap-cell.yes { color: var(--white); }
.gap-cell .ic-x { color: rgba(255,255,255,0.4); font-family: var(--font-display); font-size: 20px; line-height: 1; }
.gap-cell .ic-c { color: var(--lead); font-family: var(--font-display); font-size: 20px; line-height: 1; }

@media (max-width: 720px) {
  .gap-head, .gap-row { grid-template-columns: 1fr; }
  .gap-col-head.no, .gap-cell.no { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
}

.anchor-quote {
  margin: clamp(56px, 8vw, 88px) 0 0;
  padding: clamp(32px, 4vw, 48px) 0 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}
.anchor-quote .mark { font-family: var(--font-display); font-weight: 900; font-size: clamp(64px, 8vw, 120px); line-height: 0.7; color: var(--lead); }
.anchor-quote blockquote {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(24px, 3vw, 40px); line-height: 1.12; letter-spacing: -0.03em;
  color: var(--white); margin: 0; text-wrap: balance;
}
.anchor-quote--light { border-top-color: var(--border); }
.anchor-quote--light blockquote { color: var(--fg); }

/* ───────────────── BLOQUE 3 — Qué es (papel) ───────────────── */
.what-is-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 5vw, 72px); align-items: start;
}
.compare {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; background: var(--bg-elevated);
}
.compare-col { padding: clamp(20px, 2.2vw, 28px); display: flex; flex-direction: column; gap: 14px; }
.compare-col + .compare-col { border-left: 1px solid var(--border); }
.compare-col.no { background: var(--bg-subtle); }
.compare-head {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-muted); padding-bottom: 12px;
  border-bottom: 1px dashed var(--border); margin-bottom: 6px;
}
.compare-col.no  .compare-head { color: var(--fg-subtle); }
.compare-col.yes .compare-head { color: var(--lead); }
.compare-row { font-size: 16px; font-weight: 600; display: flex; align-items: flex-start; gap: 10px; line-height: 1.35; color: var(--fg); }
.compare-col.no .compare-row { color: var(--fg-muted); text-decoration: line-through; text-decoration-color: var(--ink-300); text-decoration-thickness: 1.5px; }
.compare-icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.compare-col.yes .compare-icon { color: var(--lead); }
.compare-col.no  .compare-icon { color: var(--fg-subtle); }

@media (max-width: 980px) { .what-is-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 4 — Qué aprende (4 cards) ───────────────── */
.learning .advanced-grid,
.advanced-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.5vw, 24px);
}
.adv-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: clamp(20px, 2vw, 28px);
  display: flex; flex-direction: column; gap: 16px; min-height: 200px;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}
.adv-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.adv-card .ico { width: 44px; height: 44px; border-radius: var(--r-md); background: var(--lead-50); color: var(--lead); display: flex; align-items: center; justify-content: center; }
[data-theme="dark"] .adv-card .ico { background: rgba(255,255,255,0.06); }
.adv-card .ico svg { width: 22px; height: 22px; }
.adv-card h4 { font-family: var(--font-display); font-weight: 900; font-size: 22px; letter-spacing: -0.02em; line-height: 1.05; margin: 0; color: var(--fg); }
.adv-card p { font-size: 14px; line-height: 1.5; color: var(--fg-muted); margin: 0; }
@media (max-width: 1080px) { .advanced-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .advanced-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 5 — Método semanal (papel, 6 cards) ───────────────── */
.weekly-method { background: var(--bg-subtle); }
[data-theme="dark"] .weekly-method { background: var(--ink-900); }

.method-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.5vw, 24px);
}
.method-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: clamp(24px, 2.4vw, 32px);
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}
.method-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--lead-200); }
.method-num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--lead); font-weight: 700;
}
.method-ico {
  width: 44px; height: 44px; border-radius: var(--r-md);
  background: var(--lead); color: var(--white);
  display: flex; align-items: center; justify-content: center;
}
.method-ico svg { width: 22px; height: 22px; }
.method-card h4 { font-family: var(--font-display); font-weight: 900; font-size: 22px; letter-spacing: -0.02em; line-height: 1.05; margin: 0; color: var(--fg); }
.method-card p { font-size: 14px; line-height: 1.5; color: var(--fg-muted); margin: 0; }

@media (max-width: 980px) { .method-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .method-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 6 / 10 — Red cards (qué construye, proyecto final) ───────────────── */
.red-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.5vw, 24px);
}
.red-card {
  background: var(--lead); color: var(--white);
  border-radius: var(--r-lg);
  padding: clamp(24px, 2.4vw, 32px);
  display: flex; flex-direction: column; gap: 16px; min-height: 200px;
  position: relative; overflow: hidden;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.red-card::after {
  content: ""; position: absolute; right: -40px; bottom: -40px; width: 140px; height: 140px;
  border-radius: 50%; background: rgba(255,255,255,0.06); pointer-events: none;
}
.red-card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(192,24,16,0.4); }
.red-card-ico {
  width: 48px; height: 48px; border-radius: var(--r-md);
  background: rgba(255,255,255,0.16); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
}
.red-card-ico svg { width: 24px; height: 24px; }
.red-card h4 { font-family: var(--font-display); font-weight: 900; font-size: 24px; letter-spacing: -0.025em; line-height: 1.05; margin: 0; color: var(--white); position: relative; z-index: 2; }
.red-card p { font-size: 14px; line-height: 1.55; color: rgba(255,255,255,0.85); margin: 0; position: relative; z-index: 2; }

@media (max-width: 1080px) { .red-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .red-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 7 — Antes / Después ───────────────── */
.ba-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  gap: clamp(16px, 1.5vw, 24px);
  align-items: stretch;
}
.ba-card {
  border-radius: var(--r-xl);
  padding: clamp(28px, 3vw, 40px);
  display: flex; flex-direction: column; gap: 16px;
}
.ba-before {
  background: var(--ink); color: var(--white);
  border: 1px solid var(--ink);
}
.ba-after {
  background: var(--lead); color: var(--white);
}
.ba-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.ba-after .ba-label { color: rgba(255,255,255,0.8); }
.ba-card h4 { font-family: var(--font-display); font-weight: 900; font-size: clamp(24px, 2.4vw, 32px); letter-spacing: -0.025em; line-height: 1.05; margin: 0; color: var(--white); }
.ba-card p { font-size: 15px; line-height: 1.55; margin: 0; color: rgba(255,255,255,0.78); }
.ba-after p { color: rgba(255,255,255,0.88); }
.ba-list { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 8px; }
.ba-list li {
  font-size: 14px; line-height: 1.4;
  padding-left: 22px; position: relative;
  color: rgba(255,255,255,0.85);
}
.ba-list li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 12px; height: 2px; background: rgba(255,255,255,0.6); border-radius: 1px;
}
.ba-after .ba-list li::before { background: var(--white); }

.ba-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--lead);
}
.ba-arrow svg { width: 40px; height: 40px; }

@media (max-width: 880px) {
  .ba-grid { grid-template-columns: 1fr; }
  .ba-arrow { transform: rotate(90deg); padding: 8px 0; }
}

/* ───────────────── BLOQUE 8 — Parents view (papel) ───────────────── */
.parents-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2vw, 28px);
}
.parent-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 4px solid var(--lead);
  border-radius: var(--r-lg);
  padding: clamp(24px, 2.6vw, 32px);
  display: flex; flex-direction: column; gap: 8px;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.parent-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.parent-card h4 { font-family: var(--font-display); font-weight: 900; font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -0.025em; line-height: 1.05; margin: 0 0 4px; color: var(--fg); }
.parent-card p  { font-size: 15px; line-height: 1.55; color: var(--fg-muted); margin: 0; }

@media (max-width: 720px) { .parents-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 9 — Quién hay detrás (slim, 3 métricas) ───────────────── */
.traction { background: var(--ink); color: var(--white); }
.traction .eyebrow { color: var(--lead-200); }
.traction .h-section { color: var(--white); }
.traction .lead-p { color: rgba(255,255,255,0.72); }

.metrics-row {
  margin-top: clamp(56px, 7vw, 88px);
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.metric {
  padding: clamp(28px, 3.4vw, 56px) clamp(16px, 1.6vw, 24px);
  display: flex; flex-direction: column; gap: 12px;
}
.metric + .metric { border-left: 1px solid rgba(255,255,255,0.15); }
.metric .k { font-family: var(--font-display); font-weight: 900; font-size: clamp(36px, 4.5vw, 56px); line-height: 0.96; letter-spacing: -0.03em; color: var(--white); word-wrap: break-word; overflow-wrap: break-word; }
.metric .l { font-size: 14px; line-height: 1.4; color: rgba(255,255,255,0.72); max-width: 22ch; }
@media (max-width: 880px) { .metrics-row { grid-template-columns: 1fr; } .metric + .metric { border-left: 0; border-top: 1px solid rgba(255,255,255,0.15); } }

/* ───────────────── BLOQUE 10 — Final project (papel + green banner) ───────────────── */
.final-project { background: var(--bg); }

/* ───────────────── BLOQUE 11 — Sprint verano ───────────────── */
.sprint { background: var(--bg-subtle); }
[data-theme="dark"] .sprint { background: var(--ink-900); }

.sprint-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.4vw, 32px);
}
.sprint-dark, .sprint-light {
  border-radius: var(--r-xl);
  padding: clamp(28px, 3vw, 44px);
  display: flex; flex-direction: column; gap: 16px;
}
.sprint-dark {
  background: var(--ink); color: var(--white);
}
.sprint-light {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.sprint-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.6); align-self: flex-start;
}
.sprint-light .sprint-tag { color: var(--fg-muted); }
.sprint-tag--red {
  background: var(--lead); color: var(--white);
  padding: 6px 12px; border-radius: var(--r-pill);
}
.sprint-dark h4 { font-family: var(--font-display); font-weight: 900; font-size: clamp(26px, 2.8vw, 36px); letter-spacing: -0.03em; line-height: 1.05; margin: 0; color: var(--white); }
.sprint-dark p  { font-size: 15px; line-height: 1.55; color: rgba(255,255,255,0.8); margin: 0; }
.sprint-meta {
  margin-top: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.15);
}
.sprint-meta-k { display: block; font-family: var(--font-display); font-weight: 900; font-size: 22px; letter-spacing: -0.02em; color: var(--lead); }
.sprint-meta-l { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-top: 4px; }

.sprint-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.sprint-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 16px; font-weight: 600; color: var(--fg); line-height: 1.4; }
.sprint-check {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--lead-50); color: var(--lead);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 14px;
}
[data-theme="dark"] .sprint-check { background: rgba(192,24,16,0.18); }
.sprint-cta { margin-top: 8px; align-self: flex-start; }

@media (max-width: 880px) { .sprint-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 12 — 4 formas ───────────────── */
.ways-grid {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.5vw, 24px);
}
.way-card {
  appearance: none; text-align: left;
  background: #FCE7E5; color: #7A1F18;
  border: 1px solid #F5C4BF;
  border-radius: var(--r-lg);
  padding: clamp(24px, 2.4vw, 32px);
  display: flex; flex-direction: column; gap: 14px; min-height: 240px;
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard), background var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
  font-family: inherit;
}
.way-card:hover, .way-card.is-selected { transform: translateY(-3px); background: var(--lead); color: var(--white); border-color: var(--lead); box-shadow: 0 18px 40px rgba(192,24,16,0.3); }
.way-ico {
  width: 44px; height: 44px; border-radius: var(--r-md);
  background: rgba(122,31,24,0.12); color: #7A1F18;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.way-ico svg { width: 22px; height: 22px; }
.way-card:hover .way-ico, .way-card.is-selected .way-ico { background: rgba(255,255,255,0.16); color: var(--white); }
.way-card h4 { font-family: var(--font-display); font-weight: 900; font-size: 22px; letter-spacing: -0.02em; line-height: 1.05; margin: 0; }
.way-card p { font-size: 14px; line-height: 1.5; margin: 0; opacity: 0.88; }
.way-pick {
  margin-top: auto; padding-top: 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px; opacity: 0.7;
}
.way-pick .arrow { width: 14px; height: 14px; }
.way-card:hover .way-pick, .way-card.is-selected .way-pick { opacity: 1; }

[data-theme="dark"] .way-card { background: rgba(192,24,16,0.18); color: #F5C4BF; border-color: rgba(245,196,191,0.25); }
[data-theme="dark"] .way-ico { background: rgba(245,196,191,0.18); color: #F5C4BF; }

@media (max-width: 1080px) { .ways-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .ways-grid { grid-template-columns: 1fr; } }

/* ───────────────── BLOQUE 13 — Cierre + form ───────────────── */
.closing { background: var(--lead); color: var(--white); position: relative; overflow: hidden; }
.closing::before {
  content: ""; position: absolute; right: -10%; top: 50%; transform: translateY(-50%);
  width: 60vw; max-width: 700px; aspect-ratio: 1;
  background: url("assets/logos/shield-red.png") no-repeat center / contain;
  opacity: 0.08; filter: brightness(0) invert(1);
  pointer-events: none;
}
.closing-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(48px, 6vw, 88px); align-items: center; position: relative; z-index: 2; }
.closing-grid .eyebrow { color: rgba(255,255,255,0.8); }
.closing-grid .eyebrow::before { background: rgba(255,255,255,0.8); }
.closing-grid h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(30px, 3.8vw, 52px); line-height: 0.98; letter-spacing: -0.035em;
  color: var(--white); margin: 24px 0 16px; text-wrap: balance;
}
.closing-grid .lead-p { color: rgba(255,255,255,0.82); max-width: 50ch; }

.closing-form {
  background: var(--white); border-radius: var(--r-2xl);
  padding: clamp(28px, 3.4vw, 44px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
  color: var(--fg);
}
.closing-form .form-eyebrow { font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--lead); margin-bottom: 8px; }
.closing-form h3 { font-family: var(--font-display); font-weight: 900; font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -0.03em; line-height: 1.05; margin: 0 0 24px; color: var(--ink); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12px; font-weight: 600; color: var(--ink-600); letter-spacing: 0.02em; }
.field input {
  appearance: none; font-family: var(--font-sans); font-size: 15px;
  padding: 13px 14px; border: 1.5px solid var(--ink-200); border-radius: var(--r-md);
  background: var(--white); color: var(--ink); outline: 0;
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.field input::placeholder { color: var(--ink-400); }
.field input:focus { border-color: var(--lead); box-shadow: var(--ring); }
.field.error input { border-color: var(--ru-red); }
.field-err { font-size: 12px; color: var(--ru-red); margin-top: 2px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* Pref pills inside form */
.pref-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 4px;
}
.pref-pill {
  appearance: none; cursor: pointer;
  border: 1.5px solid var(--ink-200);
  background: var(--white);
  color: var(--ink-700);
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-weight: 600; font-size: 14px;
  text-align: left;
  transition: all var(--dur-fast) var(--ease-standard);
}
.pref-pill:hover { border-color: var(--lead); color: var(--ink); }
.pref-pill.is-active { background: var(--lead); border-color: var(--lead); color: var(--white); }

.form-submit {
  align-self: flex-start;
  background: var(--lead); color: var(--white);
  border: 0; border-radius: var(--r-md);
  padding: 14px 22px;
  font-family: var(--font-sans); font-weight: 700; font-size: 15px; letter-spacing: -0.005em;
  cursor: pointer; margin-top: 12px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  transition: background var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.form-submit:hover { background: var(--lead-600); }
.form-submit:hover .arrow { transform: translateX(3px); }
.form-submit:focus-visible { outline: 0; box-shadow: var(--ring); }
.form-submit:active { transform: scale(0.98); }
.form-submit .arrow { width: 18px; height: 18px; transition: transform var(--dur-fast) var(--ease-standard); }
.form-submit.is-loading { opacity: 0.7; cursor: progress; }

.form-meta { margin-top: 14px; font-size: 12px; color: var(--ink-500); line-height: 1.45; }

.form-success { text-align: center; padding: 24px 8px; }
.form-success .check { width: 64px; height: 64px; border-radius: 50%; background: var(--lead); color: var(--white); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.form-success h3 { font-family: var(--font-display); font-weight: 900; font-size: 28px; letter-spacing: -0.025em; margin: 0 0 8px; color: var(--ink); }
.form-success p { font-size: 15px; color: var(--fg-muted); margin: 0; line-height: 1.5; }

@media (max-width: 980px) { .closing-grid { grid-template-columns: 1fr; } }

/* ───────────────── Footer ───────────────── */
.footer { background: var(--ink); color: var(--white); padding: clamp(56px, 6vw, 80px) 0 clamp(28px, 3vw, 36px); }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: clamp(28px, 3.5vw, 56px); }
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-brand img { height: 48px; width: auto; align-self: flex-start; }
.footer-brand .by { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-400); font-weight: 600; }
.footer-brand .tagline { font-family: var(--font-display); font-weight: 900; font-size: 28px; letter-spacing: -0.025em; color: var(--lead); margin: 0; }
.footer-col h5 { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-400); margin: 0 0 16px; }
.footer-col a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 14px; display: block; padding: 6px 0; transition: color var(--dur-fast) var(--ease-standard); }
.footer-col a:hover { color: var(--lead); }
.footer-bottom { margin-top: clamp(48px, 5vw, 64px); padding-top: 20px; border-top: 1px solid var(--ink-800); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 12px; color: var(--ink-400); }
@media (max-width: 880px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-inner { grid-template-columns: 1fr; } }

/* ───────────────── Reveal ───────────────── */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}