/* ── Sección 3: Sin Blindafon ── */

#sin-blindafon {
  position: relative;
  background: var(--navy);
  padding-top: 7rem;
  padding-bottom: 0;
  overflow: hidden;
  /* Sin margin-bottom — la sección 4 gestiona su propia transición de entrada */
}

@media (min-width: 768px) {
  #sin-blindafon {
    padding-top: 9rem;
    padding-bottom: 0;
  }
}

/* Capa de barrido diagonal cream — JS anima el clip-path */
.sin-blindafon-sweep {
  position: absolute;
  inset: 0;
  background: var(--cream);
  clip-path: polygon(0 100%, 0 100%, 0 100%, 0 100%);
  pointer-events: none;
  z-index: 20;
  will-change: clip-path;
}

/* Contenedor interior */
.sin-blindafon-inner {
  position: relative;
  z-index: 10;
  padding-left: var(--pad-mobile);
  padding-right: var(--pad-mobile);
  max-width: 60rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .sin-blindafon-inner {
    padding-left: var(--pad-desktop);
    padding-right: var(--pad-desktop);
  }
}

/* ── Header: eyebrow + stat hero + título ── */

.sin-blindafon-header {
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .sin-blindafon-header {
    margin-bottom: 4rem;
  }
}

/* ── Título de la sección ── */

.sin-blindafon-title {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(1.5rem, 4.2vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 48rem;
  margin-bottom: 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .sin-blindafon-title {
    text-align: left;
  }
}

/* Eyebrow — línea superior pequeña en naranja antes del título */
.sin-blindafon-eyebrow {
  display: block;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(0.65rem, 1.4vw, 0.8rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-deep);
  margin-bottom: 1rem;
  opacity: 0.9;
}

/* Número stat "78%" — texto estático sin efectos */
.sin-blindafon-stat-hero {
  display: block;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  font-size: clamp(3.5rem, 12vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--orange-deep);
  margin-bottom: 1.25rem;
}

/* "92%" inline — se oculta, la versión hero lo reemplaza visualmente */
.sin-blindafon-stat {
  color: var(--orange-deep);
  font-weight: 700;
}

/* ── Grid de tarjetas ── */

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .problem-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

/* ── Tarjeta de problema ── */

.problem-card {
  position: relative;
  background: var(--cream);
  border-radius: 1rem;
  padding: 1.75rem 1.75rem 2rem;
  border: 1px solid rgba(245, 241, 234, 0.06);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.12),
    0 8px 24px rgba(0, 0, 0, 0.20),
    0 20px 48px rgba(0, 0, 0, 0.18);
  /* Estado inicial — JS lo revela */
  opacity: 0;
  transform: translateY(60px) scale(0.96);
  cursor: default;
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hover: lift sutil solo antes de ser tachada */
.problem-card:not(.is-tachada):hover {
  transform: translateY(-4px) scale(1);
  box-shadow:
    0 4px 8px rgba(0, 0, 0, 0.14),
    0 16px 40px rgba(0, 0, 0, 0.24),
    0 28px 64px rgba(0, 0, 0, 0.20);
}

@media (min-width: 768px) {
  .problem-card {
    padding: 2.25rem 2.25rem 2.5rem;
  }
}

/* Contenedor del ícono SVG — centrado horizontalmente */
.problem-card .card-emoji {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 1.25rem;
  /* Estado inicial — JS lo revela */
  opacity: 0;
}

/* Título de la tarjeta — centrado */
.problem-card .card-title {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 0.875rem;
  text-align: center;
}

/* Cuerpo de la tarjeta */
.problem-card .card-body {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  line-height: 1.55;
  color: rgba(31, 44, 76, 0.80);
  text-align: center;
}

/* Frase de cierre itálica */
.card-closer {
  display: block;
  font-style: italic;
  opacity: 0.65;
  margin-top: 0.5rem;
}

/* ── SVG de la X de tachado ── */

.card-x {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  border-radius: 1rem;
  overflow: hidden;
}

/* Opacidad final 0.5 — texto legible bajo la X */
.card-x .x-stroke-1,
.card-x .x-stroke-2 {
  /* stroke-dasharray y stroke-dashoffset asignados por JS con getTotalLength() */
}

/* ── Separador visual entre sección 2 (cream) y sección 3 (navy) ── */

.section-bridge--cream-to-navy {
  height: 240px;
  background: linear-gradient(to bottom, var(--cream) 0%, var(--cream) 15%, var(--navy) 100%);
  display: block;
  pointer-events: none;
  margin-top: -1px;
}

/* ── Animaciones de los SVGs de tarjeta en loop ── */

/* Grietas: se dibujan con stroke-dashoffset y se desvanecen */
@keyframes crackDraw {
  0%   { stroke-dashoffset: var(--crack-len); opacity: 0; }
  20%  { opacity: 1; }
  60%  { stroke-dashoffset: 0; opacity: 1; }
  85%  { stroke-dashoffset: 0; opacity: 0; }
  100% { stroke-dashoffset: var(--crack-len); opacity: 0; }
}

.crack {
  stroke-dasharray: var(--crack-len);
  stroke-dashoffset: var(--crack-len);
  animation: crackDraw 3.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.crack-1 { --crack-len: 28px; animation-delay: 0s; }
.crack-2 { --crack-len: 14px; animation-delay: 0.35s; }
.crack-3 { --crack-len: 12px; animation-delay: 0.55s; }
.crack-4 { --crack-len: 8px;  animation-delay: 0.7s; }

/* Burbujas: se mueven sutilmente dentro del rectángulo */
@keyframes bubbleFloat {
  0%   { transform: translateY(0) translateX(0); }
  25%  { transform: translateY(-2.5px) translateX(1.5px); }
  50%  { transform: translateY(-1px) translateX(-1.5px); }
  75%  { transform: translateY(2px) translateX(1px); }
  100% { transform: translateY(0) translateX(0); }
}

.bubble {
  transform-box: fill-box;
  transform-origin: center;
  animation: bubbleFloat 4s ease-in-out infinite;
}

.bubble-1 { animation-duration: 3.8s; animation-delay: 0s; }
.bubble-2 { animation-duration: 4.5s; animation-delay: 0.6s; }
.bubble-3 { animation-duration: 3.2s; animation-delay: 1.1s; }
.bubble-4 { animation-duration: 5.1s; animation-delay: 0.3s; }

/* Rayones: se dibujan y desvanecen en loop, desfasados */
@keyframes scratchDraw {
  0%   { stroke-dashoffset: var(--scratch-len); opacity: 0; }
  15%  { opacity: 0.9; }
  55%  { stroke-dashoffset: 0; opacity: 0.9; }
  80%  { stroke-dashoffset: 0; opacity: 0; }
  100% { stroke-dashoffset: var(--scratch-len); opacity: 0; }
}

.scratch {
  stroke-dasharray: var(--scratch-len);
  stroke-dashoffset: var(--scratch-len);
  animation: scratchDraw 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.scratch-1 { --scratch-len: 25px; animation-delay: 0s; }
.scratch-2 { --scratch-len: 27px; animation-delay: 0.5s; }
.scratch-3 { --scratch-len: 18px; animation-delay: 0.9s; }

/* Reducir movimiento — respeta prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .crack, .bubble, .scratch {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 0.7;
  }
}