/* ============================================================
   INSEIN SRL — Sprint 2 CSS
   Mejoras visuales, galería lightbox, ticker, cards premium,
   sección diferenciadores, scroll progress, cursor custom
   ============================================================ */

/* ─────────────────────────────────────────────
   SCROLL PROGRESS BAR
───────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--green), #a8f03a);
  z-index: 2000;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(120, 190, 68, 0.6);
}

/* ─────────────────────────────────────────────
   CURSOR PERSONALIZADO
───────────────────────────────────────────── */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, opacity 0.3s ease;
}

.cursor-ring {
  position: fixed;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(120, 190, 68, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease,
              left 0.08s ease, top 0.08s ease;
}

.cursor-ring.hovering {
  width: 56px;
  height: 56px;
  border-color: var(--green);
  background: rgba(120, 190, 68, 0.06);
}

@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ─────────────────────────────────────────────
   TICKER — CLIENTES & SERVICIOS
───────────────────────────────────────────── */
.ticker-section {
  background: var(--green);
  padding: 14px 0;
  overflow: hidden;
  position: relative;
  border-top: 1px solid rgba(0,0,0,0.1);
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.ticker-track {
  display: flex;
  gap: 0;
  animation: tickerScroll 55s linear infinite;
  width: max-content;
}

.ticker-track:hover { animation-play-state: paused; }

.ticker-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 40px;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark);
}

.ticker-dot {
  width: 5px;
  height: 5px;
  background: rgba(0,0,0,0.3);
  border-radius: 50%;
  flex-shrink: 0;
}

.ticker-highlight {
  background: rgba(0,0,0,0.12);
  padding: 2px 10px;
  border-radius: 2px;
}

@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─────────────────────────────────────────────
   SECCIÓN "POR QUÉ INSEIN" — Diferenciadores
───────────────────────────────────────────── */
.why {
  padding: 120px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

/* Elemento decorativo de fondo */
.why::before {
  content: 'INSEIN';
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 18vw;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(120, 190, 68, 0.05);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 80px;
  align-items: center;
}

@media (min-width: 1024px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
}

.why-text .section-tag { margin-bottom: 20px; }

.why-lead {
  font-size: 1rem;
  color: var(--steel-light);
  line-height: 1.8;
  max-width: 460px;
  margin-top: 24px;
  margin-bottom: 48px;
}

/* Diferenciadores lista */
.why-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.why-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  transition: border-color var(--transition), background var(--transition);
  cursor: default;
}

.why-item:hover {
  border-color: var(--border);
  background: rgba(120, 190, 68, 0.03);
}

.why-item-icon {
  width: 56px;
  height: 56px;
  background: var(--green-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  flex-shrink: 0;
  transition: background var(--transition);
}

.why-item:hover .why-item-icon {
  background: rgba(120, 190, 68, 0.2);
}

.why-item-title {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 6px;
}

.why-item-desc {
  font-size: 0.8rem;
  color: var(--steel-light);
  line-height: 1.6;
}

/* Métricas lado derecho */
.why-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.why-metric {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}

.why-metric:first-child {
  grid-column: span 2;
  background: var(--green);
  border-color: var(--green);
}

.why-metric:hover:not(:first-child) { border-color: var(--border); }

.why-metric::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.why-metric:hover::before { transform: scaleX(1); }
.why-metric:first-child::before { display: none; }

.why-metric-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--green);
  display: block;
  margin-bottom: 8px;
}

.why-metric:first-child .why-metric-num {
  font-size: 5rem;
  color: var(--dark);
}

.why-metric-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel-light);
}

.why-metric:first-child .why-metric-label {
  color: rgba(13,15,18,0.7);
}

.why-metric-desc {
  font-size: 0.78rem;
  color: var(--steel);
  line-height: 1.5;
  margin-top: 4px;
}

.why-metric:first-child .why-metric-desc {
  color: rgba(13,15,18,0.6);
}

/* ─────────────────────────────────────────────
   GALERÍA MEJORADA CON LIGHTBOX
───────────────────────────────────────────── */

/* Override del grid de galería del Sprint 1 */
.gallery-grid-s2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  margin-top: 60px;
}

@media (min-width: 768px) {
  .gallery-grid-s2 {
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: 300px 220px;
  }

  .gallery-item-s2:nth-child(1) { grid-column: span 5; grid-row: span 2; }
  .gallery-item-s2:nth-child(2) { grid-column: span 4; }
  .gallery-item-s2:nth-child(3) { grid-column: span 3; }
  .gallery-item-s2:nth-child(4) { grid-column: span 3; }
  .gallery-item-s2:nth-child(5) { grid-column: span 4; }
}

.gallery-item-s2 {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  cursor: zoom-in;
  aspect-ratio: 4/3;
}

@media (min-width: 768px) {
  .gallery-item-s2 { aspect-ratio: unset; }
}

.gallery-item-s2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) brightness(0.75);
  transition: transform 0.9s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.6s ease;
}

.gallery-item-s2:hover img {
  transform: scale(1.08);
  filter: grayscale(0%) brightness(0.9);
}

.gallery-item-s2-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,15,18,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item-s2:hover .gallery-item-s2-overlay { opacity: 1; }

.gallery-item-s2-cat {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--green);
  display: block;
  margin-bottom: 4px;
}

.gallery-item-s2-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  color: var(--white);
}

.gallery-zoom-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: rgba(13,15,18,0.7);
  border: 1px solid var(--border-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition), transform var(--transition);
  backdrop-filter: blur(8px);
}

.gallery-item-s2:hover .gallery-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 10, 14, 0.97);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  transform: scale(0.92);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.open .lightbox-img-wrap { transform: scale(1); }

.lightbox-img-wrap img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  display: block;
  border: 1px solid var(--border-dim);
}

.lightbox-caption {
  position: absolute;
  bottom: -44px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel-light);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
  z-index: 1;
}

.lightbox-close:hover {
  background: var(--green);
  color: var(--dark);
  border-color: var(--green);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-nav:hover { background: var(--green); color: var(--dark); border-color: var(--green); }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

@media (max-width: 640px) {
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

/* ─────────────────────────────────────────────
   TARJETA CLIENTE ACTIVO — San Cristóbal
───────────────────────────────────────────── */
.client-banner {
  padding: 80px 0;
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}

.client-banner::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(120, 190, 68, 0.03));
  pointer-events: none;
}

.client-banner-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .client-banner-inner { grid-template-columns: 1fr auto; }
}

.client-banner-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.client-banner-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--green);
}

.client-banner-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.9;
  margin-bottom: 16px;
}

.client-banner-title .accent { color: var(--green); }

.client-banner-desc {
  font-size: 0.88rem;
  color: var(--steel-light);
  line-height: 1.7;
  max-width: 560px;
}

.client-stats-row {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.client-stat {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  padding: 20px 28px;
  min-width: 120px;
}

.client-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--green);
  display: block;
  line-height: 1;
}

.client-stat-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel);
  display: block;
  margin-top: 4px;
}

.client-badge-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
}

.client-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 180px;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  text-align: center;
  padding: 24px;
  position: relative;
}

.client-badge::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid var(--border);
  pointer-events: none;
}

.client-badge-text {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
  display: block;
  margin-bottom: 8px;
}

.client-badge-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.1;
}

.client-badge-country {
  font-size: 0.65rem;
  color: var(--green);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-top: 8px;
  display: block;
}

/* ─────────────────────────────────────────────
   MEJORAS GLOBALES AL CSS EXISTENTE
───────────────────────────────────────────── */

/* Cursor pointer en toda la web para dispositivos desktop */
@media (hover: hover) {
  a, button, .service-card, .gallery-item-s2,
  .blog-card, .cert-card, .why-item { cursor: none; }
}

/* Mejora al hero: partículas decorativas */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 1px;
  background: var(--green);
  opacity: 0;
  animation: particleFall linear infinite;
}

@keyframes particleFall {
  0%   { opacity: 0; transform: translateY(-10px); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(100vh); }
}

/* Corner decorativo para cards de certificaciones */
.cert-card {
  position: relative;
}

.cert-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  opacity: 0;
  transition: opacity var(--transition);
}

.cert-card:hover::after { opacity: 1; }

/* Línea activa en steps de metodología */
.step {
  padding-left: 20px;
  border-left: 2px solid transparent;
  transition: border-color var(--transition);
}

.step:hover { border-left-color: var(--green); }

/* Mejora de la sección about: línea decorativa vertical */
.about-grid::after {
  display: none;
}

@media (min-width: 1024px) {
  .about-grid {
    position: relative;
  }
  .about-grid::after {
    content: '';
    display: block;
    position: absolute;
    left: 50%;
    top: 10%;
    bottom: 10%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--border), transparent);
  }
}

/* Mejoras al formulario: etiquetas flotantes feeling */
.form-control:not(:placeholder-shown) + .form-label,
.form-control:focus + .form-label {
  color: var(--green);
}

/* Tag de sección — mejora de animación */
.section-tag {
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.section-tag.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Override: cuando está dentro de .reveal.visible */
.reveal.visible .section-tag {
  opacity: 1;
  transform: translateX(0);
}

/* ─────────────────────────────────────────────
   SERVICIO CARD PREMIUM — Mejoras Sprint 2
───────────────────────────────────────────── */

/* Número de posición en la card */
.service-card-num {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(254,254,254,0.25);
  letter-spacing: 0.1em;
  z-index: 3;
  transition: color var(--transition);
}

.service-card:hover .service-card-num {
  color: var(--green);
}

/* Línea inferior animada en service card */
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--green);
  z-index: 4;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover::after { width: 100%; }

/* ─────────────────────────────────────────────
   RESPONSIVE SPRINT 2
───────────────────────────────────────────── */
@media (max-width: 640px) {
  .why::before { display: none; }
  .client-badge { width: 140px; height: 140px; }
  .client-badge-name { font-size: 1rem; }
  .lightbox-nav { display: none; }
}