/* =========================
   BUTTONS
========================= */
.btn {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.01em;
  background: linear-gradient(135deg, #0a192f 0%, #800020 100%);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 14px 30px rgba(10, 25, 47, 0.25);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(10, 25, 47, 0.3);
}

.btn::after {
  content: "";
  position: absolute;
  top: -60%;
  left: -40%;
  width: 55%;
  height: 220%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0));
  transform: translateX(-140%) rotate(10deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.btn:hover::after {
  transform: translateX(220%) rotate(10deg);
}

.btn-primary {
  background: linear-gradient(135deg, #0a192f 0%, #800020 100%);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0f2444 0%, #6a001a 100%);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.25) 0%, rgba(128, 0, 32, 0.25) 100%);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.4) 0%, rgba(128, 0, 32, 0.4) 100%);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #0a192f 0%, #800020 100%);
}

.btn-whatsapp:hover {
  background: rgba(37, 211, 102, 0.25);
  box-shadow: 0 18px 36px rgba(37, 211, 102, 0.25);
  border-color: rgba(37, 211, 102, 0.55);
}

.btn:focus-visible {
  outline: 2px solid rgba(128, 0, 32, 0.4);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 10px 20px rgba(10, 25, 47, 0.2);
}

/* =========================
   LIST BLOCKS
========================= */
.problem-list,
.diagnosis-list,
.services-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.problem-list li,
.diagnosis-list li,
.services-list li {
  background: #f9fafb;
  border: 1px solid var(--color-gray-medium);
  border-radius: 12px;
  padding: 0.8rem 1rem 0.8rem 2.4rem;
  position: relative;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition-base);
}

.problem-list li::before,
.diagnosis-list li::before,
.services-list li::before {
  content: "●";
  position: absolute;
  left: 0.9rem;
  top: 0.7rem;
  color: var(--color-accent);
  font-size: 0.9rem;
}

.problem-list li:hover,
.diagnosis-list li:hover,
.services-list li:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(10, 25, 47, 0.08);
}

/* =========================
   PROBLEM SECTION REFINEMENT
========================= */
/* Fondo blanco roto para separar sin ruido */
.section-problem.section-light {
  background: #f8fafb;
  box-shadow: inset 0 1px 0 rgba(10, 25, 47, 0.04), inset 0 -1px 0 rgba(10, 25, 47, 0.04);
}

.section-problem .container {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

/* Texto protagonista con ancho editorial y mayor claridad */
.section-problem .problem-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  position: relative;
}

.section-problem .problem-wrap::before,
.section-problem .problem-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(10, 25, 47, 0.06);
}

.section-problem .problem-wrap::before {
  left: -36px;
}

.section-problem .problem-wrap::after {
  right: -36px;
}

.section-problem h2 {
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.section-problem p {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Cards tipo hallazgos de diagnóstico */
.section-problem .problem-list {
  margin-top: 1.1rem;
  gap: 0.5rem;
}

.section-problem .problem-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-radius: 0;
  background: transparent;
  border: none;
  border-left: 3px solid rgba(128, 0, 32, 0.35);
  padding-left: 0.9rem;
  box-shadow: none;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.section-problem .problem-list li::before {
  content: none;
}

.section-problem .list-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: rgba(10, 25, 47, 0.06);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 36px;
  transition: background 0.2s ease, color 0.2s ease;
}

.section-problem .list-icon svg {
  width: 18px;
  height: 18px;
}

.section-problem .list-text {
  margin-top: 0.1rem;
}

/* Insight final con énfasis sobrio */
.section-problem .problem-insight {
  margin-top: 1.8rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid rgba(128, 0, 32, 0.5);
  background: linear-gradient(90deg, rgba(128, 0, 32, 0.08), rgba(128, 0, 32, 0.02));
  border-radius: 8px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.section-problem .problem-insight .emphasis {
  margin: 0;
  color: var(--text-primary);
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.01em;
}

.section-problem .problem-list li:hover {
  transform: translateX(4px);
  border-left-color: rgba(128, 0, 32, 0.6);
}

.section-problem .problem-list li:hover .list-icon {
  background: rgba(128, 0, 32, 0.1);
  color: var(--color-primary);
}

.section-problem .problem-insight:hover {
  transform: translateX(4px);
  border-left-color: rgba(128, 0, 32, 0.7);
  background: linear-gradient(90deg, rgba(128, 0, 32, 0.12), rgba(128, 0, 32, 0.03));
}

/* =========================
   DIAGNOSTICO SECTION COMPACT
========================= */
.section-diagnostico {
  padding: 2.6rem 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.section-diagnostico .split {
  gap: 1.8rem;
  align-items: center;
}

.section-diagnostico .split-text {
  text-align: center;
}

.section-diagnostico h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.section-diagnostico p {
  margin-bottom: 0.6rem;
}

.section-diagnostico .diagnosis-list {
  margin: 0.8rem 0;
  gap: 0.45rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.section-diagnostico .diagnosis-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border-radius: 9px;
  font-size: 0.95rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.section-diagnostico .diagnosis-list .list-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 24px;
  transition: background 0.2s ease, color 0.2s ease;
}

.section-diagnostico .diagnosis-list .list-icon svg {
  width: 18px;
  height: 18px;
}

.section-diagnostico .diagnosis-list li:hover {
  transform: translateX(4px);
  border-color: rgba(128, 0, 32, 0.4);
}

.section-diagnostico .diagnosis-list li:hover .list-icon {
  background: rgba(128, 0, 32, 0.1);
  color: var(--color-primary);
  border-radius: 6px;
}

.section-diagnostico .split-media img {
  max-height: 360px;
  width: 100%;
  object-fit: cover;
  border: 4px solid rgba(128, 0, 32, 0.35);
  box-shadow: 0 16px 34px rgba(10, 25, 47, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.section-diagnostico .split-media img:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(10, 25, 47, 0.18);
  border-color: rgba(128, 0, 32, 0.6);
}

.section-diagnostico .btn {
  margin-top: 0.4rem;
}

@media (max-width: 980px) {
  .section-diagnostico {
    padding: 2.2rem 0;
    min-height: auto;
  }

  .section-diagnostico .split-media img {
    max-height: 280px;
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-item {
    padding: 1.4rem;
  }

  .problem-wrap {
    padding: 0;
  }

  .footer-grid {
    gap: 1.5rem;
  }

  details {
    padding: 0.9rem 1rem;
  }
}

@media (max-width: 600px) {
  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .problem-list li,
  .diagnosis-list li,
  .process-list li,
  .portfolio-item,
  details {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(10, 25, 47, 0.08);
  }
}

/* Visual removido: sección en una sola columna */

/* =========================
   PROCESS LIST
========================= */
.process-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  counter-reset: step;
}

.process-list li {
  counter-increment: step;
  background: var(--color-gray-light);
  border: 1px solid var(--color-gray-medium);
  border-radius: 10px;
  padding: 0.75rem 0.9rem 0.75rem 3rem;
  position: relative;
  font-weight: 500;
  color: var(--text-primary);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.process-list li::before {
  content: counter(step);
  position: absolute;
  left: 0.8rem;
  top: 0.55rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  transition: background 0.2s ease;
}

.process-list li:hover {
  transform: translateX(4px);
  border-color: rgba(128, 0, 32, 0.4);
}

.process-list li:hover::before {
  background: #6a001a;
}

/* Imagen de proceso con borde e interacción coherente */
#proceso .split-media img {
  border: 4px solid rgba(128, 0, 32, 0.35);
  box-shadow: 0 16px 34px rgba(10, 25, 47, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

#proceso .split-media img:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(10, 25, 47, 0.18);
  border-color: rgba(128, 0, 32, 0.6);
}

/* =========================
   EMPHASIS
========================= */
.emphasis {
  margin-top: 1.5rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* =========================
   PORTFOLIO
========================= */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  background: var(--color-white);
  padding: 1.6rem;
  border-radius: 18px;
  border: 1px solid rgba(10, 25, 47, 0.08);
  box-shadow: 0 14px 30px rgba(10, 25, 47, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.portfolio-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, #0a192f 0%, #800020 100%);
  opacity: 0.9;
}
.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(10, 25, 47, 0.12);
}

.portfolio-item p {
  margin-bottom: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.55;
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
}

.portfolio-item p strong {
  color: var(--text-primary);
}

.portfolio-item .portfolio-weak {
  opacity: 0.7;
}

.portfolio-item .portfolio-strong {
  opacity: 1;
}

.portfolio-item .portfolio-icon {
  color: var(--color-accent);
  font-size: 0.8rem;
  line-height: 1;
  margin-top: 0.1rem;
}

.portfolio-thumb {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 1rem;
  border: 1px solid rgba(10, 25, 47, 0.06);
  background: #f6f7f9;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* =========================
   TESTIMONIALS
========================= */
.testimonial {
  border-left: 4px solid var(--color-accent);
  padding: 1.2rem 1.4rem;
  margin: 1.2rem 0;
  font-style: italic;
  background: var(--color-gray-light);
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(10, 25, 47, 0.08);
}

/* =========================
   FAQ
========================= */
details {
  background: var(--color-white);
  border: 1px solid var(--color-gray-medium);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
  box-shadow: 0 8px 18px rgba(10, 25, 47, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  text-align: center;
}

details[open] {
  border-color: rgba(128, 0, 32, 0.3);
}

summary {
  cursor: pointer;
  transition: color 0.2s ease;
  font-weight: 600;
  text-align: center;
}

details p {
  margin-top: 0.75rem;
  text-align: center;
  color: var(--text-secondary);
  margin-left: auto;
  margin-right: auto;
  max-width: 640px;
}

details:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(10, 25, 47, 0.08);
}

details:hover summary {
  color: var(--color-accent);
}

/* =========================
   FOOTER LINKS
========================= */
.site-footer a {
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9rem;
  opacity: 0.7;
  display: flex;
  justify-content: center;
}