:root {
  --kp: #054353;
  --ks: #B4D4EC;
  --kl: #ECF0F1;
  --kd: #331D1C;
  --kapital-primary: #054353;
  --kapital-secondary: #B4D4EC;
  --kapital-accent: #B4D4EC;
  --kapital-dark: #331D1C;
  --kapital-light: #ECF0F1;
}

/* Base */
* { box-sizing: border-box; }
body { font-family: 'Roboto', sans-serif; background: var(--kl); color: var(--kd); transition: background-color 0.3s ease; }
.font-display { font-family: 'Alexandria', sans-serif; }

/* Components */
.stat-line::after { content: ''; display: block; width: 40px; height: 3px; background: var(--ks); margin: 8px auto 0; transition: width 0.3s ease; }
.tag { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.tag-green { background: #dcfce7; color: #166534; }
.tag-amber { background: #fef3c7; color: #92400e; }
.tag-blue { background: var(--kl); color: var(--kp); }

/* Navbar */
nav a { position: relative; transition: color .2s; }
nav a:hover { color: var(--ks); }
nav a.active { color: var(--ks); }
nav a.active::after, nav a:hover::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--ks); }

/* Transparent Nav Logic */
header.nav-transparent { background: transparent !important; box-shadow: none !important; }
header.nav-transparent .text-kp { color: #fff !important; }
header.nav-transparent .bg-kp { background: var(--ks) !important; }
header.nav-transparent nav a { color: #e5e7eb; }
header.nav-transparent nav a:hover { color: #fff; }
header.nav-transparent nav a.active { color: #fff; }
header.nav-transparent nav a.active::after, header.nav-transparent nav a:hover::after { background: #fff; }
header.nav-transparent .btn-primary { background: #fff !important; color: var(--kp) !important; }

/* Buttons & Cards */
.btn-primary { background: var(--kp); color: #fff; padding: 12px 28px; border-radius: 8px; font-weight: 700; transition: background .2s, transform .2s, box-shadow .2s; }
.btn-primary:hover { background: var(--ks); color: var(--kd); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(180, 212, 236, 0.35); }
.btn-outline { border: 2px solid rgba(255,255,255,.7); color: #fff; padding: 12px 28px; border-radius: 8px; font-weight: 700; transition: background .2s; }
.btn-outline:hover { background: rgba(255,255,255,.15); }
.service-card { background: #fff; border-radius: 16px; padding: 32px 24px; box-shadow: 0 4px 20px rgba(0,0,0,.06); transition: box-shadow .3s, transform .3s; }
.service-card:hover { box-shadow: 0 12px 30px rgba(51, 29, 28, 0.12); transform: translateY(-4px); }
.section-title { font-family: 'Alexandria', sans-serif; font-size: 2rem; font-weight: 700; color: var(--kp); }
.section-line { display: inline-block; width: 50px; height: 4px; background: var(--ks); border-radius: 2px; margin-bottom: 16px; }
.cta-band { background: var(--kp); }

/* ── KF Card Project Component ── */
.kf-card-project { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.08); transition: transform .3s, box-shadow .3s; cursor: pointer; }
.kf-card-project:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(2, 26, 32, 0.14); }
.kf-card-img-wrapper { position: relative; aspect-ratio: 4/3; overflow: hidden; background: #e5e7eb; }
.kf-card-slider { width: 100%; height: 100%; }
.kf-card-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .4s; }
.kf-card-slide.active { opacity: 1; }
.kf-slider-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.85); border: none; border-radius: 50%; width: 32px; height: 32px; font-size: 20px; line-height: 1; cursor: pointer; color: var(--kp); display: flex; align-items: center; justify-content: center; z-index: 3; transition: background .2s; }
.kf-slider-btn:hover { background: #fff; }
.kf-slider-prev { left: 10px; }
.kf-slider-next { right: 10px; }
.kf-card-badge { position: absolute; top: 12px; right: 12px; padding: 5px 12px; border-radius: 6px; font-size: 11px; font-weight: 700; letter-spacing: .04em; z-index: 3; }
.kf-card-img-footer { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 12px 10px; background: linear-gradient(to top,rgba(0,0,0,.6),transparent); display: flex; align-items: center; justify-content: space-between; z-index: 2; }
.kf-card-location { color: #fff; font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 5px; }
.kf-card-photo-count { color: #fff; font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 4px; }
.kf-card-body { padding: 18px 18px 20px; }
.kf-card-title { font-family: 'Alexandria', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--kp); margin: 0 0 8px; line-height: 1.35; }
.kf-card-title a { color: inherit; text-decoration: none; }
.kf-card-title a:hover { color: var(--ks); }
.kf-card-price { font-size: 1rem; font-weight: 700; color: var(--kp); margin: 0 0 8px; }
.kf-card-price-unit { font-weight: 400; font-size: .9rem; color: #64748b; }
.kf-card-desc { font-size: .85rem; color: #64748b; line-height: 1.6; margin: 0 0 14px; }
.kf-card-meta { display: flex; align-items: center; gap: 18px; padding-top: 12px; border-top: 1px solid #f1f5f9; }
.kf-card-meta-item { display: flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: #374151; }
.kf-card-meta-item svg { color: #94a3b8; }

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Hero Carousel Premium Slider ── */
#hero-carousel {
  position: relative;
  min-height: 90vh;
}
.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  opacity: 0;
  z-index: 0;
  pointer-events: none;
  transition: opacity 1s ease-in-out, z-index 1s step-end;
}
.hero-slide.active {
  opacity: 1;
  z-index: 10;
  pointer-events: auto;
  transition: opacity 1s ease-in-out, z-index 1s step-start;
}
.hero-slide .bg-cover {
  transition: transform 10s ease-out;
  transform: scale(1.08);
}
.hero-slide.active .bg-cover {
  transform: scale(1.01);
}
.hero-slide .slide-content {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s;
}
.hero-slide.active .slide-content {
  opacity: 1;
  transform: translateY(0);
}
#slider-btn-prev, #slider-btn-next {
  transition: all 0.3s ease;
  opacity: 0.6;
}
#slider-btn-prev:hover, #slider-btn-next:hover {
  transform: scale(1.08);
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.12);
}
#slider-btn-prev {
  left: 20px;
}
#slider-btn-next {
  right: 20px;
}
#slider-dots button {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── KF Scroll-Reveal Animations System ── */
.kf-reveal {
  opacity: 0;
  will-change: opacity, transform;
  transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1), transform 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
}

/* Direcciones y efectos iniciales */
.kf-reveal-up {
  transform: translateY(40px);
}
.kf-reveal-left {
  transform: translateX(-40px);
}
.kf-reveal-right {
  transform: translateX(40px);
}
.kf-reveal-scale {
  transform: scale(0.94);
}

/* Estado visible (gatillado por Intersection Observer) */
.kf-reveal.reveal-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Soporte para prefers-reduced-motion de accesibilidad */
@media (prefers-reduced-motion: reduce) {
  .kf-reveal {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}