/* ============================================================
   SECCIÓN 2: PROPUESTA DE VALOR — ISO 37301
   Paleta: azul oxford (lot-ox) sobre fondo negro
   Tipografía: Cormorant Garamond / Cormorant SC
   ============================================================ */

.env-section {
  /* Tokens de marca */
  --lot-ox-900: #0D1F35;
  --lot-ox-700: #1A3A5C;
  --lot-ox-500: #2563A8;
  --lot-ox-400: #3B82C4;
  --lot-ox-300: #6AAAD9;
  --lot-ox-200: #93C4EA;
  --lot-ox-100: #D6EAFA;

  /* Alias internos del componente */
  --env-black: #060F1B;
  --env-black-2: #03080F;
  --env-black-3: var(--lot-ox-900);
  --env-line: var(--lot-ox-700);
  --env-root: var(--lot-ox-500);
  --env-accent: var(--lot-ox-400);
  --env-muted: var(--lot-ox-300);
  --env-soft: var(--lot-ox-200);
  --env-ink: var(--lot-ox-100);
  --env-ink-muted: rgba(214, 234, 250, 0.62);
  --env-ink-faint: rgba(214, 234, 250, 0.34);

  font-family: 'Cormorant Garamond', 'Times New Roman', serif;
  background: var(--env-black);
  padding: 90px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  position: relative;
  overflow: hidden;
}

/* Retícula fina de fondo */
.env-section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(106, 170, 217, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 170, 217, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 65% 65% at 50% 50%, black, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 65% 65% at 50% 50%, black, transparent 85%);
}

.env-layout {
  display: flex;
  align-items: center;
  gap: 64px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  max-width: 1080px;
  position: relative;
  z-index: 1;
}

.env-wrap {
  position: relative;
  width: 460px;
  height: 460px;
  perspective: 1200px;
  flex-shrink: 0;
}

/* ── Sobre: fondo azul oxford muy oscuro, borde ox-500, marcas de esquina ── */
.env-base {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(13,31,53,0.97) 0%, rgba(4,10,18,0.98) 60%, rgba(13,31,53,0.97) 100%);
  border-radius: 6px;
  border: 1px solid rgba(37, 99, 168, 0.35);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: 0 30px 60px rgba(0,0,0,0.55);
}

.env-base::before,
.env-base::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-top: 1.5px solid var(--env-root);
  border-left: 1.5px solid var(--env-root);
  top: 14px;
  left: 14px;
  z-index: 3;
}
.env-base::after {
  top: auto;
  left: auto;
  bottom: 14px;
  right: 14px;
  border-top: none;
  border-left: none;
  border-bottom: 1.5px solid var(--env-root);
  border-right: 1.5px solid var(--env-root);
}

/* Contenido interno revelado al abrir el sobre */
.env-inner-content {
  position: absolute;
  inset: 0;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 26px;
  gap: 14px;
  opacity: 0;
  transition: opacity 0.4s ease 0.8s;
  z-index: 0;
  background:
    linear-gradient(160deg, rgba(13,31,53,0.97) 0%, rgba(4,10,18,0.98) 60%, rgba(13,31,53,0.97) 100%);
}

.env-inner-content.revealed {
  opacity: 1;
}

.env-inner-eyebrow {
  font-family: 'Cormorant SC', 'Cormorant Garamond', serif;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--env-soft);
  text-transform: uppercase;
  margin: 0;
}

.env-inner-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--env-ink);
  text-align: center;
  line-height: 1.35;
  margin: 0;
}

.env-inner-sub {
  font-size: 0.85rem;
  color: var(--env-ink-faint);
  text-align: center;
  line-height: 1.6;
  margin: 0;
  max-width: 34ch;
}

/* Franja de sello/certificado interna */
.env-inner-img {
  width: 100%;
  height: 108px;
  border-radius: 5px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(37, 99, 168, 0.32);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(59,130,196,0.08) 0px,
      rgba(59,130,196,0.08) 1px,
      transparent 1px,
      transparent 14px
    ),
    linear-gradient(180deg, rgba(17,42,68,0.9), rgba(4,10,18,0.95));
  display: flex;
  align-items: center;
  justify-content: center;
}

.env-inner-img-label {
  font-family: 'Cormorant SC', serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--env-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  z-index: 2;
  border: 1px solid rgba(59, 130, 196, 0.5);
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--env-black-3);
}

.env-inner-cards {
  display: flex;
  gap: 8px;
  width: 100%;
}

.env-mini-card {
  flex: 1;
  background: var(--env-black-3);
  border: 1px solid rgba(59, 130, 196, 0.28);
  border-radius: 6px;
  padding: 10px 6px;
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--env-ink-muted);
  line-height: 1.35;
  transition: border-color 0.2s, color 0.2s;
}
.env-mini-card:hover {
  border-color: var(--env-accent);
  color: var(--env-ink);
}

.env-cta {
  font-family: 'Cormorant SC', serif;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--env-soft);
  background: var(--env-black-3);
  border: 1px solid var(--env-root);
  border-radius: 100px;
  padding: 9px 24px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.env-cta:hover {
  background: var(--env-black-2);
  border-color: var(--env-accent);
}

/* Solapas del sobre */
.flap {
  position: absolute;
  z-index: 10;
  transition:
    transform 1.1s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.9s ease;
}

.flap-top,
.flap-bottom,
.flap-left,
.flap-right {
  background: linear-gradient(160deg, rgba(17,42,68,0.98) 0%, rgba(4,10,18,0.98) 100%);
  border-color: rgba(37, 99, 168, 0.35);
}

.flap-top {
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  border-bottom: none;
  transform-origin: top center;
  transform: rotateX(0deg);
  border-top: 1px solid rgba(37, 99, 168, 0.35);
  display: flex;
  align-items: 28%;
  justify-content: center;
}

.flap-top.open {
  transform: rotateX(-170deg);
  opacity: 0;
}

.flap-bottom {
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  clip-path: polygon(0 100%, 100% 100%, 50% 0%);
  transform-origin: bottom center;
  transform: rotateX(0deg);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.flap-bottom.open {
  transform: rotateX(170deg);
  opacity: 0;
}

.flap-left {
  left: 0;
  top: 0;
  bottom: 0;
  width: 50%;
  clip-path: polygon(0 0, 0 100%, 100% 50%);
  transform-origin: left center;
  transform: rotateY(0deg);
  display: flex;
  align-items: center;
  justify-content: 30%;
}

.flap-left.open {
  transform: rotateY(-170deg);
  opacity: 0;
}

.flap-right {
  right: 0;
  top: 0;
  bottom: 0;
  width: 50%;
  clip-path: polygon(100% 0, 100% 100%, 0% 50%);
  transform-origin: right center;
  transform: rotateY(0deg);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.flap-right.open {
  transform: rotateY(170deg);
  opacity: 0;
}

/* Líneas diagonales decorativas → ahora en azul ox-400 tenue */
.env-lines {
  position: absolute;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.env-lines.hidden {
  opacity: 0;
}

.env-lines line {
  stroke: rgba(59, 130, 196, 0.38) !important;
}

/* Textos de solapas */
.flap-text {
  font-family: 'Cormorant SC', serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--env-soft);
  position: absolute;
  user-select: none;
  pointer-events: none;
}

.ft-top {
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.ft-bottom {
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.ft-left {
  left: 12%;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
}

.ft-right {
  right: 12%;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  white-space: nowrap;
}

/* Sello central */
.env-seal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 20;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--env-black-3);
  border: 1.5px solid var(--env-root);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  box-shadow: 0 2px 18px rgba(59, 130, 196, 0.22);
  outline: none;
}

.env-seal:hover {
  transform: translate(-50%, -50%) scale(1.07);
  border-color: var(--env-accent);
  box-shadow: 0 4px 26px rgba(59, 130, 196, 0.35);
}

.env-seal:focus-visible {
  outline: 2px solid var(--env-accent);
  outline-offset: 3px;
}

.env-seal.cracking {
  animation: sealCrack 0.55s ease forwards;
}

@keyframes sealCrack {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  30% {
    transform: translate(-50%, -50%) scale(1.15) rotate(8deg);
  }
  60% {
    transform: translate(-50%, -50%) scale(0.85) rotate(-5deg);
    opacity: 0.7;
  }
  100% {
    transform: translate(-50%, -50%) scale(0) rotate(20deg);
    opacity: 0;
  }
}

.env-seal.gone {
  display: none;
}

.seal-outer {
  width: 98px;
  height: 98px;
  border-radius: 50%;
  border: 1px dashed rgba(59, 130, 196, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.seal-iso {
  font-family: 'Cormorant SC', serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--env-ink);
  text-transform: uppercase;
}

.seal-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--env-soft);
  line-height: 1.2;
}

.seal-hint {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.68rem;
  color: var(--env-ink-faint);
  letter-spacing: 0.04em;
  margin-top: 5px;
}

/* Botón cerrar */
.env-close-btn {
  font-family: 'Cormorant SC', serif;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--env-ink-muted);
  background: transparent;
  border: 1px solid rgba(214, 234, 250, 0.28);
  border-radius: 100px;
  padding: 8px 22px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  display: none;
  margin-top: 8px;
  position: relative;
  z-index: 1;
}

.env-close-btn:hover {
  border-color: var(--env-accent);
  color: var(--env-accent);
}

.env-close-btn.visible {
  display: inline-block;
}

/* ── Texto lateral derecho ── */
.env-value-text {
  flex: 1;
  min-width: 280px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: center;
}

.value-eyebrow {
  font-family: 'Cormorant SC', serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--env-soft);
}

.value-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--env-ink);
  line-height: 1.25;
  margin: 0;
}

.value-title span {
  color: var(--env-soft);
  font-style: italic;
}

.value-body {
  font-size: 1.02rem;
  color: var(--env-ink-muted);
  line-height: 1.75;
  margin: 0;
}

.value-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid rgba(37, 99, 168, 0.3);
  border-bottom: 1px solid rgba(37, 99, 168, 0.3);
}

.value-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.95rem;
  color: var(--env-ink-muted);
}

.value-point-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--env-black-3);
  border: 1px solid rgba(59, 130, 196, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--env-soft);
  font-size: 11px;
  flex-shrink: 0;
}

.value-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-family: 'Cormorant SC', serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--env-soft);
  background: var(--env-black-3);
  border: 1px solid var(--env-root);
  border-radius: 3px;
  padding: 13px 28px;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, border-color 0.2s;
  text-decoration: none;
}

.value-btn:hover {
  background: var(--env-black-2);
  border-color: var(--env-accent);
  box-shadow: 0 6px 20px rgba(59, 130, 196, 0.28);
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .env-layout { gap: 40px; }
  .env-wrap { width: 400px; height: 400px; }
}

@media (max-width: 640px) {
  .env-section { padding: 60px 18px; }
  .env-layout { flex-direction: column; }
  .env-wrap { width: 100%; max-width: 380px; height: 380px; }
  .env-value-text { max-width: 100%; text-align: center; align-items: center; }
  .value-points { align-items: flex-start; }
  .value-title { font-size: 1.7rem; }
}