/* =====================================================
   Syswarp — Modern Enhancements
   Animaciones y mejoras visuales sutiles
   No reemplaza nada del diseño original
   ===================================================== */

/* ── Page fade-in ─────────────────────────────────── */
body {
  animation: pageFadeIn 0.5s ease-out;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Logo hover ───────────────────────────────────── */
.logo img {
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.logo img:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

/* ── Nav menu links ───────────────────────────────── */
.sf-menu > li > a {
  position: relative;
  transition: color 0.25s ease !important;
}
.sf-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: #1FB4DD;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.sf-menu > li > a:hover::after {
  transform: scaleX(1);
}

/* ── Badge tech hover ─────────────────────────────── */
.badge-tech {
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease !important;
}
.badge-tech:hover {
  background: #e8f4fb !important;
  border-color: #1FB4DD !important;
  color: #0a8aab !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(31, 180, 221, 0.18);
}
.cert-badge:hover {
  background: #d4edda !important;
  border-color: #28a745 !important;
  color: #155724 !important;
}

/* ── Highlight boxes ──────────────────────────────── */
.highlight-box {
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.2s ease;
}
.highlight-box:hover {
  border-left-color: #1FB4DD !important;
  background: #f4fbfe !important;
  transform: translateX(3px);
}
.modulo-box {
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.2s ease;
}
.modulo-box:hover {
  border-left-color: #1FB4DD !important;
  background: #f4fbfe !important;
  transform: translateX(3px);
}

/* ── Images ───────────────────────────────────────── */
.section img,
#project img,
.content img {
  transition: transform 0.35s ease, box-shadow 0.35s ease, filter 0.35s ease;
}
.section img:hover,
#project img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 28px rgba(0,0,0,0.14);
}

/* ── Flexslider mejoras ───────────────────────────── */
.flexslider .slides img {
  transition: filter 0.4s ease !important;
}
.flexslider .slides img:hover {
  filter: grayscale(0%) !important;
}

/* ── Links hover ──────────────────────────────────── */
a {
  transition: color 0.22s ease !important;
}

/* ── Section headings reveal ─────────────────────── */
.section-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.section-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Footer links ─────────────────────────────────── */
#section-sub-footer a {
  transition: color 0.2s ease, opacity 0.2s ease !important;
}
#section-sub-footer a:hover {
  color: #1FB4DD !important;
  opacity: 0.9;
}

/* ── Buttons ──────────────────────────────────────── */
input[type="submit"],
.button,
button {
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease !important;
}
input[type="submit"]:hover,
.button:hover,
button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(31,180,221,0.25) !important;
}

/* ── CESSI logo ───────────────────────────────────── */
.img_grayscale {
  transition: filter 0.3s ease !important;
}
.img_grayscale:hover {
  filter: grayscale(0%) !important;
}

/* ── Project cards ────────────────────────────────── */
#project {
  transition: transform 0.3s ease;
}
#project:hover {
  transform: translateY(-2px);
}

/* ── Scroll to top button ─────────────────────────── */
#toTop {
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease !important;
  border-radius: 4px !important;
}
#toTop:hover {
  background: #1FB4DD !important;
  transform: translateY(-2px) !important;
}

/* ── Superfish submenu ────────────────────────────── */
.sf-menu ul {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12) !important;
  border-radius: 0 0 6px 6px !important;
  animation: submenuFade 0.18s ease;
}
@keyframes submenuFade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── API tags ─────────────────────────────────────── */
.api-tag {
  transition: background 0.2s ease, color 0.2s ease !important;
}
.api-tag:hover {
  background: #d0d0d0 !important;
  color: #222 !important;
}

/* ── hr dividers ──────────────────────────────────── */
hr {
  transition: border-color 0.3s ease;
}

/* ── List items stagger ───────────────────────────── */
.stagger-list li {
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.stagger-list.visible li:nth-child(1) { opacity:1; transform:none; transition-delay: 0.05s; }
.stagger-list.visible li:nth-child(2) { opacity:1; transform:none; transition-delay: 0.10s; }
.stagger-list.visible li:nth-child(3) { opacity:1; transform:none; transition-delay: 0.15s; }
.stagger-list.visible li:nth-child(4) { opacity:1; transform:none; transition-delay: 0.20s; }
.stagger-list.visible li:nth-child(5) { opacity:1; transform:none; transition-delay: 0.25s; }
.stagger-list.visible li:nth-child(6) { opacity:1; transform:none; transition-delay: 0.30s; }