:root {
  --bg: #05070d;
  --bg-elev: #0a0f1a;
  --text: #e6f0ff;
  --muted: #9bb3d4;
  --accent: #2e73ff;
  --accent-2: #5ad2ff;
  --card: rgba(10, 15, 26, 0.6);
  --border: rgba(100, 140, 210, 0.15);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Ubuntu", Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1000px 600px at 10% -10%, rgba(13, 53, 140, 0.35), transparent 40%),
              radial-gradient(1000px 600px at 90% 0%, rgba(0, 170, 255, 0.18), transparent 40%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.bg-effects { position: fixed; inset: 0; pointer-events: none; z-index: -1; }
.glow { position: absolute; filter: blur(70px); opacity: .35; }
.glow-1 { width: 480px; height: 480px; left: -120px; top: -120px; background: radial-gradient(circle at 30% 30%, rgba(46,115,255,.5), transparent 60%); }
.glow-2 { width: 540px; height: 540px; right: -160px; top: 40px; background: radial-gradient(circle at 70% 40%, rgba(90,210,255,.35), transparent 60%); }
.grid-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(255,255,255,.03) 1px, transparent 1px) 0 0/60px 60px,
                                       linear-gradient(to bottom, rgba(255,255,255,.02) 1px, transparent 1px) 0 0/60px 60px; }

.site-header { position: sticky; top: 0; backdrop-filter: saturate(130%) blur(10px); background: rgba(5,7,13,.6); border-bottom: 1px solid var(--border); z-index: 10; }
.nav { 
  max-width: 1100px; 
  margin: 0 auto; 
  padding: 12px 20px; 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  width: 100%;
}

/* Responsive nav expansion */
@media (min-width: 1200px) {
  .nav { max-width: 1150px; }
}

@media (min-width: 1600px) {
  .nav { max-width: 1250px; }
}

@media (min-width: 2000px) {
  .nav { max-width: 1350px; }
}
.brand { 
  text-decoration: none; 
  font-weight: 800; 
  letter-spacing: .4px;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #e6f0ff 8%,
    #bcd4ff 16%,
    #90c2ff 24%,
    #5ad2ff 32%,
    #2e73ff 40%,
    #1e5cdc 48%,
    #2e73ff 56%,
    #5ad2ff 64%,
    #90c2ff 72%,
    #bcd4ff 80%,
    #e6f0ff 88%,
    #ffffff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbowFlow 4s ease-in-out infinite;
}
.menu { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }

.menu a { 
  text-decoration: none; 
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 12px;
  position: relative;
  transition: all 0.3s ease;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #e6f0ff 8%,
    #bcd4ff 16%,
    #90c2ff 24%,
    #5ad2ff 32%,
    #2e73ff 40%,
    #1e5cdc 48%,
    #2e73ff 56%,
    #5ad2ff 64%,
    #90c2ff 72%,
    #bcd4ff 80%,
    #e6f0ff 88%,
    #ffffff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbowFlow 4s ease-in-out infinite;
}

.menu a::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 2px dotted transparent;
  border-radius: 14px;
  transition: all 0.3s ease;
  opacity: 0;
  transform: scale(0.9);
}

.menu a:hover::before {
  border-color: #5ad2ff;
  opacity: 1;
  transform: scale(1);
  box-shadow: 
    0 0 10px rgba(90,210,255,0.3),
    inset 0 0 10px rgba(90,210,255,0.1);
  animation: dottedGlow 2s ease-in-out infinite;
}

.menu a:hover {
  transform: translateY(-2px);
  background-size: 150% 100%;
}
.nav-toggle { display: none; background: transparent; border: 0; padding: 6px; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; }

/* Language Switcher Styles */
.language-switcher {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.lang-btn:hover {
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46, 115, 255, 0.15);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(46, 115, 255, 0.3);
}

.lang-btn.active:disabled {
  cursor: not-allowed !important;
  opacity: 0.6 !important;
  transform: none !important;
  box-shadow: 0 4px 15px rgba(46, 115, 255, 0.15) !important;
}

.lang-btn.active:disabled:hover {
  transform: none !important;
  box-shadow: 0 4px 15px rgba(46, 115, 255, 0.15) !important;
}

.flag-icon {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  object-fit: cover;
}

.lang-btn span {
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Language switcher animations */
.lang-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.lang-btn:hover::before {
  left: 100%;
}

/* Pixel disintegration transition effect */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.pixel-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.1s ease;
}

.pixel-grid.active {
  opacity: 1;
}

.pixel {
  position: absolute;
  background: var(--accent);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-origin: center;
  opacity: 0.3;
}

.pixel.animate-out {
  transform: scale(0) rotate(90deg);
  opacity: 0;
}

.pixel.animate-in {
  transform: scale(1) rotate(0deg);
  opacity: 0.3;
}

/* Language transition overlay */
.language-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(45deg, rgba(10, 15, 26, 0.85), rgba(17, 24, 39, 0.85));
  opacity: 0;
  visibility: hidden;
  z-index: 9998;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}

.language-transition-overlay.active {
  opacity: 1;
  visibility: visible;
}

.snake-transition-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.snake-canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
  opacity: 0.8;
}

.transition-content {
  text-align: center;
  color: var(--text);
  position: relative;
  z-index: 2;
  background: rgba(10, 15, 26, 0.7);
  padding: 24px 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.transition-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.transition-text {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.container { 
  max-width: 1100px; 
  margin: 0 auto; 
  padding: 24px 20px 80px; 
  width: 100%;
}

/* Responsive container expansion */
@media (min-width: 1200px) {
  .container { max-width: 1150px; }
}

@media (min-width: 1600px) {
  .container { max-width: 1250px; }
}

@media (min-width: 2000px) {
  .container { max-width: 1350px; }
}
.section { 
  margin-top: 48px; 
}

/* Skills section positioning for crayon canvas */
#habilidades, #skills {
  position: relative;
}

#habilidades h2, #skills h2 {
  position: relative;
  z-index: 3;
}

/* Responsive sections */
@media (min-width: 1200px) {
  .section { margin-top: 52px; }
}

@media (min-width: 1600px) {
  .section { margin-top: 56px; }
}

@media (min-width: 2000px) {
  .section { margin-top: 60px; }
}
#contacto-title { 
  margin-left: 8px; 
  text-align: center;
  margin-bottom: 16px;
}
.section-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }

/* About section with partial animated border */
.about-section-with-partial-border {
  position: relative;
  overflow: visible;
  padding: 32px 24px 40px 24px;
}

.about-section-with-partial-border h2 {
  margin-left: 16px;
  margin-top: 16px;
}

.about-section-with-partial-border p {
  margin-left: 16px;
  margin-right: 16px;
  padding: 0 8px;
}

.about-section-with-partial-border::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 4px solid transparent;
  border-radius: 20px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 85%,
    #00d4ff 90%,
    #0099ff 95%,
    #00d4ff 100%
  );
  background-size: 400% 100%;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  animation: racingBorder 12s linear infinite;
  filter: 
    drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
    drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
    drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  z-index: 1;
}

/* Profile photo styles for about section */
.profile-photo-container {
  display: flex;
  justify-content: center;
  margin-top: 32px;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.profile-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(90, 210, 255, 0.3);
  box-shadow: 
    0 0 20px rgba(90, 210, 255, 0.2),
    0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  filter: brightness(1.05) contrast(1.1);
}

.profile-photo:hover {
  transform: scale(1.05) translateY(-2px);
  border-color: rgba(90, 210, 255, 0.6);
  box-shadow: 
    0 0 30px rgba(90, 210, 255, 0.4),
    0 12px 40px rgba(0, 0, 0, 0.4);
  filter: brightness(1.15) contrast(1.2);
}
.hero { padding-top: 40px; position: relative; }
.hero .hero-content { 
  padding: 40px 28px; 
  position: relative; 
  overflow: hidden; 
  z-index: 2; 
}

/* Responsive hero content */
@media (min-width: 1200px) {
  .hero .hero-content { padding: 45px 30px; }
  .crayon-path { stroke-width: 2.1; }
}

@media (min-width: 1600px) {
  .hero .hero-content { padding: 50px 35px; }
  .crayon-path { stroke-width: 2.3; }
}

@media (min-width: 2000px) {
  .hero .hero-content { padding: 55px 40px; }
  .crayon-path { stroke-width: 2.5; }
}

/* crayon line effects - reduced intensity */
.hero-bg-effects { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; opacity: 0.4; }

.crayon-line { width: 100%; height: 100%; position: absolute; top: 0; left: 0; }
.crayon-path { stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 2px rgba(90,210,255,.15)); opacity: 0.6; }
.crayon-path-2 { filter: drop-shadow(0 0 1.5px rgba(46,115,255,.2)); opacity: 0.5; }
.crayon-path-3 { filter: drop-shadow(0 0 1px rgba(90,210,255,.1)); opacity: 0.4; }
.crayon-path-4 { filter: drop-shadow(0 0 1px rgba(123,179,255,.15)); opacity: 0.3; }
.crayon-path-5 { filter: drop-shadow(0 0 1.5px rgba(74,158,255,.18)); opacity: 0.4; }
.crayon-path-6 { filter: drop-shadow(0 0 1px rgba(107,166,255,.12)); opacity: 0.3; }
.crayon-path-7 { filter: drop-shadow(0 0 0.5px rgba(61,139,255,.1)); opacity: 0.25; }
.crayon-path-8 { filter: drop-shadow(0 0 1px rgba(139,197,255,.15)); opacity: 0.3; }

@keyframes crayonDraw {
  0% { stroke-dasharray: 0 1000; stroke-dashoffset: 0; }
  50% { stroke-dasharray: 500 1000; stroke-dashoffset: -250; }
  100% { stroke-dasharray: 1000 1000; stroke-dashoffset: -1000; }
}

@keyframes crayonMorph {
  0% { d: path("M20,100 Q100,60 200,100 T380,100"); }
  25% { d: path("M20,100 Q150,40 200,100 T380,100"); }
  50% { d: path("M20,100 Q100,80 200,100 T380,100"); }
  75% { d: path("M20,100 Q200,50 200,100 T380,100"); }
  100% { d: path("M20,100 Q100,60 200,100 T380,100"); }
}

@keyframes crayonMorph2 {
  0% { d: path("M20,120 Q150,90 300,120 T380,120"); }
  25% { d: path("M20,120 Q100,70 300,120 T380,120"); }
  50% { d: path("M20,120 Q200,110 300,120 T380,120"); }
  75% { d: path("M20,120 Q250,80 300,120 T380,120"); }
  100% { d: path("M20,120 Q150,90 300,120 T380,120"); }
}

@keyframes crayonMorph3 {
  0% { d: path("M20,80 Q120,50 240,80 T380,80"); }
  25% { d: path("M20,80 Q80,30 240,80 T380,80"); }
  50% { d: path("M20,80 Q160,70 240,80 T380,80"); }
  75% { d: path("M20,80 Q200,40 240,80 T380,80"); }
  100% { d: path("M20,80 Q120,50 240,80 T380,80"); }
}

@keyframes crayonMorph4 {
  0% { d: path("M20,140 Q80,110 160,140 T320,140 T380,140"); }
  25% { d: path("M20,140 Q120,90 160,140 T320,140 T380,140"); }
  50% { d: path("M20,140 Q60,130 160,140 T320,140 T380,140"); }
  75% { d: path("M20,140 Q140,100 160,140 T320,140 T380,140"); }
  100% { d: path("M20,140 Q80,110 160,140 T320,140 T380,140"); }
}

@keyframes crayonMorph5 {
  0% { d: path("M20,60 Q200,30 380,60"); }
  25% { d: path("M20,60 Q150,50 380,60"); }
  50% { d: path("M20,60 Q250,20 380,60"); }
  75% { d: path("M20,60 Q180,45 380,60"); }
  100% { d: path("M20,60 Q200,30 380,60"); }
}

@keyframes crayonMorph6 {
  0% { d: path("M20,160 Q120,130 240,160 T380,160"); }
  25% { d: path("M20,160 Q80,150 240,160 T380,160"); }
  50% { d: path("M20,160 Q160,110 240,160 T380,160"); }
  75% { d: path("M20,160 Q200,140 240,160 T380,160"); }
  100% { d: path("M20,160 Q120,130 240,160 T380,160"); }
}

@keyframes crayonMorph7 {
  0% { d: path("M20,40 Q160,20 320,40 T380,40"); }
  25% { d: path("M20,40 Q120,30 320,40 T380,40"); }
  50% { d: path("M20,40 Q200,10 320,40 T380,40"); }
  75% { d: path("M20,40 Q240,35 320,40 T380,40"); }
  100% { d: path("M20,40 Q160,20 320,40 T380,40"); }
}

@keyframes crayonMorph8 {
  0% { d: path("M20,180 Q100,150 200,180 T380,180"); }
  25% { d: path("M20,180 Q150,130 200,180 T380,180"); }
  50% { d: path("M20,180 Q80,170 200,180 T380,180"); }
  75% { d: path("M20,180 Q180,140 200,180 T380,180"); }
  100% { d: path("M20,180 Q100,150 200,180 T380,180"); }
}

.crayon-path { animation: crayonDraw 8s ease-in-out infinite, crayonMorph 12s ease-in-out infinite; transition: transform 0.3s ease-out; }
.crayon-path-2 { animation: crayonDraw 10s ease-in-out infinite 2s, crayonMorph2 15s ease-in-out infinite 1s; transition: transform 0.3s ease-out; }
.crayon-path-3 { animation: crayonDraw 12s ease-in-out infinite 4s, crayonMorph3 18s ease-in-out infinite 2s; transition: transform 0.3s ease-out; }
.crayon-path-4 { animation: crayonDraw 9s ease-in-out infinite 1s, crayonMorph4 14s ease-in-out infinite 3s; transition: transform 0.3s ease-out; }
.crayon-path-5 { animation: crayonDraw 11s ease-in-out infinite 3s, crayonMorph5 16s ease-in-out infinite 1.5s; transition: transform 0.3s ease-out; }
.crayon-path-6 { animation: crayonDraw 7s ease-in-out infinite 2.5s, crayonMorph6 13s ease-in-out infinite 2.5s; transition: transform 0.3s ease-out; }
.crayon-path-7 { animation: crayonDraw 13s ease-in-out infinite 1.5s, crayonMorph7 20s ease-in-out infinite 4s; transition: transform 0.3s ease-out; }
.crayon-path-8 { animation: crayonDraw 6s ease-in-out infinite 4.5s, crayonMorph8 11s ease-in-out infinite 0.5s; transition: transform 0.3s ease-out; }

/* hover effects */
.crayon-path.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.1); opacity: 0.7; }
.crayon-path-2.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.05); opacity: 0.6; }
.crayon-path-3.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.08); opacity: 0.65; }
.crayon-path-4.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.03); opacity: 0.5; }
.crayon-path-5.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.06); opacity: 0.55; }
.crayon-path-6.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.02); opacity: 0.45; }
.crayon-path-7.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.04); opacity: 0.4; }
.crayon-path-8.hover-away { transform: translate(var(--mouse-x, 0), var(--mouse-y, 0)) scale(1.03); opacity: 0.5; }
.hero .gradient-text { font-size: clamp(28px, 5vw, 48px); line-height: 1.1; background: linear-gradient(90deg, #ffffff 0%, #dbe8ff 20%, #5ad2ff 50%, #2e73ff 80%, #ffffff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .gradient-text.gradient-animated { background-size: 300% 300%; animation: gradientShift 8s ease-in-out infinite; }
.subtitle { color: var(--muted); margin-top: 8px; }
.subtitle.reveal-animated { display: inline-block; clip-path: inset(0 100% 0 0); animation: revealX 10s ease-in-out infinite; }
.cta-row { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border); color: var(--text); text-decoration: none; background: rgba(255,255,255,0.02); transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-1px); border-color: rgba(90,210,255,.4); }
.btn.primary { background: linear-gradient(135deg, rgba(46,115,255,.25), rgba(90,210,255,.2)); border-color: rgba(90,210,255,.4); }
.btn.ghost { background: transparent; }
.btn.small { padding: 8px 12px; border-radius: 10px; font-size: 14px; }

.user-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 18px; align-items: center; }
.user-form label { color: var(--muted); font-size: 14px; }
.user-form input { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: rgba(255,255,255,.02); color: var(--text); }
.user-form input::placeholder { color: #6b86a8; }

/* Skills crayon canvas - completely behind content with reduced visibility */
.skills-crayon-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
  opacity: 0.4;
}

.skills-crayon-svg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.skills-container { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 24px; 
  margin-top: 20px; 
  position: relative;
  z-index: 2;
  pointer-events: auto;
}
.skills-section { background: rgba(255,255,255,.02); border: 1px solid var(--border); border-radius: 16px; padding: 20px; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

.skills-section:hover {
  border-radius: 20px;
  padding: 28px;
}
.skills-section h3 { margin: 0 0 16px 0; color: var(--text); font-size: 18px; font-weight: 600; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

.skills-section:hover h3 {
  margin: 0 0 24px 0;
  font-size: 22px;
}
.skills { display: grid; grid-template-columns: 1fr; gap: 10px; padding: 0; margin: 0; list-style: none; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

.skills-section:hover .skills {
  gap: 16px;
}
.skills li { 
  padding: 0;
  margin: 0;
  list-style: none;
}

.skill-item {
  padding: 10px 12px; 
  border: 1px solid var(--border); 
  border-radius: 12px; 
  background: rgba(255,255,255,.02); 
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 50px;
}

.skill-item::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(90,210,255,0.3) 0%, rgba(46,115,255,0.2) 30%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  opacity: 0;
}

.skill-item:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(90,210,255,.6);
  box-shadow: 
    0 8px 25px rgba(90,210,255,0.15),
    0 0 20px rgba(90,210,255,0.1),
    inset 0 1px 0 rgba(255,255,255,0.1);
  padding: 20px 24px;
  border-radius: 16px;
  gap: 16px;
  min-height: 70px;
}

.skill-item:hover::before {
  width: 300%;
  height: 300%;
  opacity: 1;
  animation: neonPulse 0.6s ease-out;
}

/* Skill icons container */
.skill-icons {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 2;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-item:hover .skill-icons {
  gap: 12px;
}

/* Skill icons */
.skill-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  filter: brightness(0.9) saturate(1.1);
  position: relative;
}

.skill-icon-2 {
  opacity: 0.7;
  transform: scale(0.9);
}

.skill-item:hover .skill-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  transform: scale(1.15) rotate(5deg);
  filter: brightness(1.2) saturate(1.4) drop-shadow(0 0 8px rgba(90,210,255,0.4));
}

.skill-item:hover .skill-icon-2 {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  opacity: 1;
  transform: scale(1.05) rotate(-3deg);
  filter: brightness(1.1) saturate(1.3) drop-shadow(0 0 6px rgba(46,115,255,0.3));
}

/* Skill text */
.skill-text {
  position: relative;
  z-index: 2;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-item:hover .skill-text {
  font-size: 16px;
  color: #ffffff;
  text-shadow: 0 0 10px rgba(90,210,255,0.5);
  transform: translateX(4px);
}

/* Skill GIF animations */
.skill-gif {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  opacity: 0;
  overflow: hidden;
  border-radius: 8px;
  z-index: 3;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gif-animation {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.skill-item:hover .skill-gif {
  width: 48px;
  height: 48px;
  opacity: 1;
  right: 20px;
}

.skill-item:hover .gif-animation {
  transform: scale(1.05);
}

/* Neon pulse animation */
@keyframes neonPulse {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
  }
  50% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.2);
  }
  100% {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Responsive skill icons */
@media (min-width: 1200px) {
  .skill-icon { width: 26px; height: 26px; }
  .skill-item { padding: 16px 18px; gap: 14px; min-height: 60px; }
  .skill-icons { gap: 10px; }
  .skill-text { font-size: 15px; }
  .skills-section { padding: 24px; }
  .skills-section h3 { font-size: 20px; margin-bottom: 18px; }
  .skills { gap: 12px; }
  
  /* Hover states for 1200px+ */
  .skill-item:hover { padding: 24px 28px; gap: 18px; min-height: 80px; }
  .skill-item:hover .skill-icons { gap: 14px; }
  .skill-item:hover .skill-text { font-size: 17px; }
  .skill-item:hover .skill-icon { width: 36px; height: 36px; }
  .skill-item:hover .skill-icon-2 { width: 36px; height: 36px; }
  .skill-item:hover .skill-gif { width: 52px; height: 52px; right: 24px; }
  .skills-section:hover { padding: 32px; }
  .skills-section:hover h3 { font-size: 24px; margin-bottom: 28px; }
  .skills-section:hover .skills { gap: 18px; }
}

@media (min-width: 1600px) {
  .skill-icon { width: 28px; height: 28px; }
  .skill-item { padding: 18px 20px; gap: 16px; min-height: 70px; }
  .skill-icons { gap: 12px; }
  .skill-text { font-size: 16px; }
  .skills-section { padding: 28px; }
  .skills-section h3 { font-size: 22px; margin-bottom: 20px; }
  .skills { gap: 14px; }
  
  /* Hover states for 1600px+ */
  .skill-item:hover { padding: 28px 32px; gap: 20px; min-height: 90px; }
  .skill-item:hover .skill-icons { gap: 16px; }
  .skill-item:hover .skill-text { font-size: 18px; }
  .skill-item:hover .skill-icon { width: 40px; height: 40px; }
  .skill-item:hover .skill-icon-2 { width: 40px; height: 40px; }
  .skill-item:hover .skill-gif { width: 56px; height: 56px; right: 28px; }
  .skills-section:hover { padding: 36px; }
  .skills-section:hover h3 { font-size: 26px; margin-bottom: 32px; }
  .skills-section:hover .skills { gap: 20px; }
}

@media (min-width: 2000px) {
  .skill-icon { width: 30px; height: 30px; }
  .skill-item { padding: 20px 22px; gap: 18px; min-height: 80px; }
  .skill-icons { gap: 14px; }
  .skill-text { font-size: 18px; }
  .skills-section { padding: 32px; }
  .skills-section h3 { font-size: 24px; margin-bottom: 24px; }
  .skills { gap: 16px; }
  
  /* Hover states for 2000px+ */
  .skill-item:hover { padding: 32px 36px; gap: 22px; min-height: 100px; }
  .skill-item:hover .skill-icons { gap: 18px; }
  .skill-item:hover .skill-text { font-size: 20px; }
  .skill-item:hover .skill-icon { width: 44px; height: 44px; }
  .skill-item:hover .skill-icon-2 { width: 44px; height: 44px; }
  .skill-item:hover .skill-gif { width: 60px; height: 60px; right: 32px; }
  .skills-section:hover { padding: 40px; }
  .skills-section:hover h3 { font-size: 28px; margin-bottom: 36px; }
  .skills-section:hover .skills { gap: 22px; }
}

@media (max-width: 760px) {
  .skill-icon { width: 22px; height: 22px; }
  .skill-item { padding: 12px 14px; gap: 10px; min-height: 50px; }
  .skill-icons { gap: 6px; }
  .skill-text { font-size: 13px; }
  .skills-section { padding: 16px; }
  .skills-section h3 { font-size: 18px; margin-bottom: 14px; }
  .skills { gap: 8px; }
  
  /* Hover states for mobile */
  .skill-item:hover { padding: 16px 20px; gap: 12px; min-height: 60px; }
  .skill-item:hover .skill-icons { gap: 8px; }
  .skill-item:hover .skill-text { font-size: 15px; }
  .skill-item:hover .skill-icon { width: 28px; height: 28px; }
  .skill-item:hover .skill-icon-2 { width: 28px; height: 28px; }
  .skill-item:hover .skill-gif { width: 40px; height: 40px; right: 16px; }
  .skills-section:hover { padding: 20px; }
  .skills-section:hover h3 { font-size: 20px; margin-bottom: 20px; }
  .skills-section:hover .skills { gap: 12px; }
}

/* Removed skill burst effects - no longer needed */

/* Responsive skills */
@media (min-width: 1200px) {
  .skills-container { gap: 28px; margin-top: 24px; }
  .skills-section { padding: 24px; }
  .skills-section h3 { font-size: 20px; }
}

@media (min-width: 1600px) {
  .skills-container { gap: 32px; margin-top: 28px; }
  .skills-section { padding: 28px; }
  .skills-section h3 { font-size: 22px; }
}

@media (min-width: 2000px) {
  .skills-container { gap: 36px; margin-top: 32px; }
  .skills-section { padding: 32px; }
  .skills-section h3 { font-size: 24px; }
}

@media (max-width: 760px) {
  .skills-container { grid-template-columns: 1fr; gap: 16px; }
  .skills-section { padding: 16px; }
  .skills-section h3 { font-size: 16px; }
}

.repo-filters { display: flex; align-items: center; gap: 10px; }
.repo-filters label { 
  color: var(--text); 
  font-weight: 500; 
  font-size: 14px;
}
select { 
  background: rgba(255,255,255,.02); 
  color: var(--text); 
  border: 1px solid var(--border); 
  border-radius: 10px; 
  padding: 10px 12px; 
  font-size: 14px;
  font-weight: 500;
}
select:focus {
  outline: none;
  border-color: rgba(90, 210, 255, 0.6);
  box-shadow: 0 0 0 2px rgba(90, 210, 255, 0.2);
}
select option {
  background: var(--bg-elev);
  color: var(--text);
  padding: 8px;
}

.repo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.repo-card { 
  display: flex; 
  flex-direction: column; 
  gap: 12px; 
  padding: 24px; 
  border-radius: 18px; 
  border: 1px solid var(--border); 
  background: linear-gradient(180deg, rgba(10,15,26,.6), rgba(10,15,26,.35)); 
  box-shadow: var(--shadow);
  min-height: 200px;
}
.repo-card h3 { margin: 0; font-size: 18px; margin-bottom: 4px; }

/* GitHub project titles with gradient like menu */
.repo-card h3 a {
  text-decoration: none;
  font-weight: 600;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #e6f0ff 8%,
    #bcd4ff 16%,
    #90c2ff 24%,
    #5ad2ff 32%,
    #2e73ff 40%,
    #1e5cdc 48%,
    #2e73ff 56%,
    #5ad2ff 64%,
    #90c2ff 72%,
    #bcd4ff 80%,
    #e6f0ff 88%,
    #ffffff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbowFlow 4s ease-in-out infinite;
  transition: all 0.3s ease;
}

.repo-card h3 a:hover {
  transform: translateY(-1px);
  background-size: 150% 100%;
  filter: brightness(1.1);
}
.repo-card p { margin: 0; color: var(--muted); margin-bottom: 8px; line-height: 1.5; }
.repo-meta { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; border-radius: 999px; background: rgba(46,115,255,.15); border: 1px solid rgba(46,115,255,.35); color: #bcd4ff; }

.empty-state { text-align: center; color: var(--muted); padding: 20px; }

.contact-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.link { color: var(--accent-2); text-decoration: none; }
.link:hover { color: var(--text); }

.site-footer { 
  padding: 28px 20px; 
  text-align: center; 
  color: var(--muted); 
  border-top: 1px solid var(--border); 
  background: rgba(5,7,13,.6); 
}

/* Responsive project cards */
@media (min-width: 1200px) {
  .repo-grid { 
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); 
    gap: 24px; 
  }
  .repo-card { 
    padding: 28px; 
    gap: 14px; 
    min-height: 220px;
    border-radius: 20px;
  }
  .repo-card h3 { font-size: 19px; margin-bottom: 6px; }
  .repo-card p { margin-bottom: 10px; }
  .repo-meta { margin-bottom: 10px; }
  .badge { padding: 10px 12px; }
}

@media (min-width: 1600px) {
  .repo-grid { 
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); 
    gap: 28px; 
  }
  .repo-card { 
    padding: 32px; 
    gap: 16px; 
    min-height: 240px;
    border-radius: 22px;
  }
  .repo-card h3 { font-size: 20px; margin-bottom: 8px; }
  .repo-card p { margin-bottom: 12px; }
  .repo-meta { margin-bottom: 12px; }
  .badge { padding: 12px 14px; }
}

@media (min-width: 2000px) {
  .repo-grid { 
    grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); 
    gap: 32px; 
  }
  .repo-card { 
    padding: 36px; 
    gap: 18px; 
    min-height: 260px;
    border-radius: 24px;
  }
  .repo-card h3 { font-size: 21px; margin-bottom: 10px; }
  .repo-card p { margin-bottom: 14px; }
  .repo-meta { margin-bottom: 14px; }
  .badge { padding: 14px 16px; }
}

@media (max-width: 760px) {
  .repo-grid { 
    grid-template-columns: 1fr; 
    gap: 16px; 
  }
  .repo-card { 
    padding: 20px; 
    gap: 10px; 
    min-height: 180px;
    border-radius: 16px;
  }
  .repo-card h3 { font-size: 16px; margin-bottom: 4px; }
  .repo-card p { margin-bottom: 8px; }
  .repo-meta { margin-bottom: 8px; }
  .badge { padding: 6px 8px; }
}

/* Responsive project titles */
@media (min-width: 1200px) {
  .repo-card h3 a { font-weight: 700; }
}

/* Responsive footer */
@media (min-width: 1200px) {
  .site-footer { padding: 30px 25px; }
}

@media (min-width: 1600px) {
  .site-footer { padding: 32px 30px; }
}

@media (min-width: 2000px) {
  .site-footer { padding: 34px 35px; }
}

/* socials */
.socials { 
  display: flex; 
  gap: 18px; 
  align-items: center; 
  justify-content: center; 
  padding: 14px; 
}

/* Responsive socials */
@media (min-width: 1200px) {
  .socials { gap: 18px; padding: 14px; }
  #contacto-title { margin-bottom: 20px; }
}

@media (min-width: 1600px) {
  .socials { gap: 20px; padding: 16px; }
  #contacto-title { margin-bottom: 24px; }
}

@media (min-width: 2000px) {
  .socials { gap: 22px; padding: 18px; }
  #contacto-title { margin-bottom: 28px; }
}
.social-link { 
  --glow: rgba(90,210,255,.45); 
  --glow-strong: rgba(46,115,255,.75); 
  position: relative; 
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  width: 72px; 
  height: 72px; 
  border-radius: 18px; 
  color: #bcd4ff; 
  background: radial-gradient(120px 80px at 50% 30%, rgba(46,115,255,.16), rgba(255,255,255,.02)); 
  border: 1px solid var(--border); 
  box-shadow: 0 0 0 0 var(--glow); 
  transition: transform .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease; 
  text-decoration: none; 
  overflow: hidden; 
}

/* Responsive social links */
@media (min-width: 1200px) {
  .social-link { width: 74px; height: 74px; border-radius: 18.5px; }
}

@media (min-width: 1600px) {
  .social-link { width: 76px; height: 76px; border-radius: 19px; }
}

@media (min-width: 2000px) {
  .social-link { width: 78px; height: 78px; border-radius: 19.5px; }
}
.social-link:hover { transform: translateY(-2px) scale(1.03); color: #e6f0ff; border-color: rgba(90,210,255,.35); box-shadow: 0 10px 30px -8px var(--glow), 0 0 20px -6px var(--glow-strong) inset; }
.social-link:active { transform: translateY(0) scale(0.99); }


.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Responsive typography */
@media (min-width: 1200px) {
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2rem; }
  .subtitle { font-size: 1.1rem; }
}

@media (min-width: 1600px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.1rem; }
  .subtitle { font-size: 1.15rem; }
}

@media (min-width: 2000px) {
  h1 { font-size: 3.2rem; }
  h2 { font-size: 2.2rem; }
  .subtitle { font-size: 1.2rem; }
}

/* Responsive styles for profile photo and partial border */
@media (min-width: 1200px) {
  .profile-photo { 
    width: 180px; 
    height: 180px; 
  }
  .profile-photo-container { 
    margin-top: 36px;
    margin-bottom: 28px;
  }
  .about-section-with-partial-border::before {
    border-width: 5px;
    border-radius: 21px;
  }
  .about-section-with-partial-border h2 {
    margin-left: 20px;
    margin-top: 20px;
  }
  .about-section-with-partial-border p {
    margin-left: 20px;
    margin-right: 20px;
    padding: 0 10px;
  }
  .about-section-with-partial-border {
    padding: 36px 28px 44px 28px;
  }
}

@media (min-width: 1600px) {
  .profile-photo { 
    width: 200px; 
    height: 200px; 
  }
  .profile-photo-container { 
    margin-top: 40px;
    margin-bottom: 32px;
  }
  .about-section-with-partial-border::before {
    border-width: 5px;
    border-radius: 22px;
  }
  .about-section-with-partial-border h2 {
    margin-left: 24px;
    margin-top: 24px;
  }
  .about-section-with-partial-border p {
    margin-left: 24px;
    margin-right: 24px;
    padding: 0 12px;
  }
  .about-section-with-partial-border {
    padding: 40px 32px 48px 32px;
  }
}

@media (min-width: 2000px) {
  .profile-photo { 
    width: 220px; 
    height: 220px; 
  }
  .profile-photo-container { 
    margin-top: 44px;
    margin-bottom: 36px;
  }
  .about-section-with-partial-border::before {
    border-width: 6px;
    border-radius: 23px;
  }
  .about-section-with-partial-border h2 {
    margin-left: 28px;
    margin-top: 28px;
  }
  .about-section-with-partial-border p {
    margin-left: 28px;
    margin-right: 28px;
    padding: 0 14px;
  }
  .about-section-with-partial-border {
    padding: 44px 36px 52px 36px;
  }
}

@media (max-width: 760px) {
  .menu { display: none; position: absolute; right: 16px; top: 54px; flex-direction: column; background: rgba(5,7,13,.95); border: 1px solid var(--border); padding: 12px; border-radius: 12px; }
  .menu.open { display: flex; }
  .nav-toggle { display: block; }
  
  /* Mobile language switcher */
  .language-switcher {
    gap: 6px;
  }
  
  .lang-btn {
    padding: 6px 8px;
    font-size: 0.8rem;
  }
  
  .flag-icon {
    width: 16px;
    height: 16px;
  }
  
  /* Mobile styles for profile photo and partial border */
  .profile-photo { 
    width: 140px; 
    height: 140px; 
    border-width: 2px;
  }
  .profile-photo-container { 
    margin-top: 28px;
    margin-bottom: 20px;
  }
  .about-section-with-partial-border::before {
    border-width: 3px;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 18px;
  }
  .about-section-with-partial-border h2 {
    margin-left: 12px;
    margin-top: 12px;
  }
  .about-section-with-partial-border p {
    margin-left: 12px;
    margin-right: 12px;
    padding: 0 6px;
  }
  .about-section-with-partial-border {
    padding: 28px 20px 36px 20px;
  }
}

/* focus */
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; border-radius: 6px; }

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes rainbowFlow {
  0% { 
    background-position: 0% 50%; 
  }
  25% { 
    background-position: 50% 50%; 
  }
  50% { 
    background-position: 100% 50%; 
  }
  75% { 
    background-position: 150% 50%; 
  }
  100% { 
    background-position: 200% 50%; 
  }
}

@keyframes dottedGlow {
  0% { 
    box-shadow: 
      0 0 5px rgba(90,210,255,0.2),
      inset 0 0 5px rgba(90,210,255,0.05);
    border-color: #5ad2ff;
  }
  50% { 
    box-shadow: 
      0 0 15px rgba(90,210,255,0.4),
      inset 0 0 15px rgba(90,210,255,0.2);
    border-color: #2e73ff;
  }
  100% { 
    box-shadow: 
      0 0 5px rgba(90,210,255,0.2),
      inset 0 0 5px rgba(90,210,255,0.05);
    border-color: #5ad2ff;
  }
}

@keyframes revealX {
  0% { clip-path: inset(0 100% 0 0); }
  80% { clip-path: inset(0 0% 0 0); }
  81% { clip-path: inset(0 100% 0 0); }
  100% { clip-path: inset(0 100% 0 0); }
}

/* Racing border animation with subtle ECG wave effects - reduced brightness and speed */
@keyframes racingBorder {
  0% { 
    background-position: 0% 0%;
    filter: 
      drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
      drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  }
  12% { 
    background-position: 50% 0%;
    filter: 
      drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
      drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  }
  13% { 
    background-position: 50% 0%;
    filter: 
      drop-shadow(0 0 12px rgba(0, 212, 255, 0.6))
      drop-shadow(0 0 20px rgba(0, 153, 255, 0.5))
      drop-shadow(0 0 30px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 40px rgba(0, 212, 255, 0.2));
  }
  14% { 
    background-position: 50% 0%;
    filter: 
      drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
      drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  }
  25% { 
    background-position: 100% 0%;
    filter: 
      drop-shadow(0 0 10px rgba(0, 212, 255, 0.5))
      drop-shadow(0 0 18px rgba(0, 153, 255, 0.4))
      drop-shadow(0 0 28px rgba(0, 212, 255, 0.3));
  }
  37% { 
    background-position: 150% 0%;
    filter: 
      drop-shadow(0 0 9px rgba(0, 212, 255, 0.45))
      drop-shadow(0 0 17px rgba(0, 153, 255, 0.35))
      drop-shadow(0 0 26px rgba(0, 212, 255, 0.25));
  }
  38% { 
    background-position: 150% 0%;
    filter: 
      drop-shadow(0 0 12px rgba(0, 212, 255, 0.6))
      drop-shadow(0 0 20px rgba(0, 153, 255, 0.5))
      drop-shadow(0 0 30px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 40px rgba(0, 212, 255, 0.2));
  }
  39% { 
    background-position: 150% 0%;
    filter: 
      drop-shadow(0 0 9px rgba(0, 212, 255, 0.45))
      drop-shadow(0 0 17px rgba(0, 153, 255, 0.35))
      drop-shadow(0 0 26px rgba(0, 212, 255, 0.25));
  }
  50% { 
    background-position: 200% 0%;
    filter: 
      drop-shadow(0 0 9px rgba(0, 212, 255, 0.45))
      drop-shadow(0 0 17px rgba(0, 153, 255, 0.35))
      drop-shadow(0 0 26px rgba(0, 212, 255, 0.25));
  }
  62% { 
    background-position: 250% 0%;
    filter: 
      drop-shadow(0 0 11px rgba(0, 212, 255, 0.5))
      drop-shadow(0 0 19px rgba(0, 153, 255, 0.4))
      drop-shadow(0 0 29px rgba(0, 212, 255, 0.3));
  }
  63% { 
    background-position: 250% 0%;
    filter: 
      drop-shadow(0 0 12px rgba(0, 212, 255, 0.6))
      drop-shadow(0 0 20px rgba(0, 153, 255, 0.5))
      drop-shadow(0 0 30px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 40px rgba(0, 212, 255, 0.2));
  }
  64% { 
    background-position: 250% 0%;
    filter: 
      drop-shadow(0 0 11px rgba(0, 212, 255, 0.5))
      drop-shadow(0 0 19px rgba(0, 153, 255, 0.4))
      drop-shadow(0 0 29px rgba(0, 212, 255, 0.3));
  }
  75% { 
    background-position: 300% 0%;
    filter: 
      drop-shadow(0 0 11px rgba(0, 212, 255, 0.5))
      drop-shadow(0 0 19px rgba(0, 153, 255, 0.4))
      drop-shadow(0 0 29px rgba(0, 212, 255, 0.3));
  }
  87% { 
    background-position: 350% 0%;
    filter: 
      drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
      drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  }
  88% { 
    background-position: 350% 0%;
    filter: 
      drop-shadow(0 0 12px rgba(0, 212, 255, 0.6))
      drop-shadow(0 0 20px rgba(0, 153, 255, 0.5))
      drop-shadow(0 0 30px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 40px rgba(0, 212, 255, 0.2));
  }
  89% { 
    background-position: 350% 0%;
    filter: 
      drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
      drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  }
  100% { 
    background-position: 400% 0%;
    filter: 
      drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
      drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
      drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  }
}

/* Skills crayon line drawing styles - swimming fish effect with reduced intensity */
.skills-crayon-path {
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke-dasharray: 0;
  stroke-dashoffset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  mix-blend-mode: soft-light;
}

.skills-crayon-path.swimming {
  opacity: 0.4;
  animation: 
    swimLikeAFish var(--swim-duration, 4s) ease-in-out var(--swim-delay, 0s) forwards,
    drawSwimmingStroke var(--swim-duration, 4s) ease-out var(--swim-delay, 0s) forwards;
}

.skills-crayon-path.fading {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

/* Individual crayon path filters - much more subtle */
.skills-crayon-path.crayon-1 { 
  filter: drop-shadow(0 0 1px rgba(90,210,255,.1)); 
}
.skills-crayon-path.crayon-2 { 
  filter: drop-shadow(0 0 1px rgba(46,115,255,.12)); 
}
.skills-crayon-path.crayon-3 { 
  filter: drop-shadow(0 0 0.5px rgba(90,210,255,.08)); 
}
.skills-crayon-path.crayon-4 { 
  filter: drop-shadow(0 0 0.5px rgba(123,179,255,.1)); 
}
.skills-crayon-path.crayon-5 { 
  filter: drop-shadow(0 0 1px rgba(74,158,255,.12)); 
}
.skills-crayon-path.crayon-6 { 
  filter: drop-shadow(0 0 0.5px rgba(107,166,255,.08)); 
}
.skills-crayon-path.crayon-7 { 
  filter: drop-shadow(0 0 0.3px rgba(61,139,255,.06)); 
}
.skills-crayon-path.crayon-8 { 
  filter: drop-shadow(0 0 0.5px rgba(139,197,255,.1)); 
}

/* Swimming fish-like animations */
@keyframes swimLikeAFish {
  0% { 
    transform: scale(0.8) translateX(0px) translateY(0px);
    opacity: 0.2;
  }
  10% {
    transform: scale(1) translateX(10px) translateY(-5px);
    opacity: 0.6;
  }
  25% {
    transform: scale(1.05) translateX(20px) translateY(8px);
    opacity: 0.8;
  }
  50% {
    transform: scale(0.95) translateX(15px) translateY(-12px);
    opacity: 0.7;
  }
  75% {
    transform: scale(1.02) translateX(25px) translateY(5px);
    opacity: 0.6;
  }
  90% {
    transform: scale(0.9) translateX(30px) translateY(-8px);
    opacity: 0.4;
  }
  100% { 
    transform: scale(0.7) translateX(40px) translateY(15px);
    opacity: 0.2;
  }
}

@keyframes drawSwimmingStroke {
  0% { 
    stroke-dasharray: 0 2000;
    stroke-dashoffset: 0;
  }
  20% {
    stroke-dasharray: 400 2000;
    stroke-dashoffset: -200;
  }
  60% {
    stroke-dasharray: 1200 2000;
    stroke-dashoffset: -600;
  }
  100% { 
    stroke-dasharray: 2000 2000;
    stroke-dashoffset: -2000;
  }
}

/* Canvas fade animation - much more subtle */
@keyframes canvasFade {
  0% { 
    opacity: 0.4;
  }
  30% {
    opacity: 0.2;
  }
  100% { 
    opacity: 0.05;
  }
}

/* Old stroke aging animation - very subtle aging */
@keyframes ageStroke {
  0% { 
    opacity: 0.05;
  }
  100% { 
    opacity: 0.01;
  }
}

/* Removed skill burst animations - no longer needed */

/* Citas Históricas Colombianas - Material Design */
.citas-section-with-partial-border {
  position: relative;
  overflow: visible;
  padding: 32px 24px 40px 24px;
}

.citas-section-with-partial-border h2 {
  margin-left: 16px;
  margin-top: 16px;
  margin-bottom: 24px;
}

/* Racing border animation for citas section */
.citas-section-with-partial-border::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 4px solid transparent;
  border-radius: 20px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 85%,
    #00d4ff 90%,
    #0099ff 95%,
    #00d4ff 100%
  );
  background-size: 400% 100%;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  animation: racingBorder 12s linear infinite;
  filter: 
    drop-shadow(0 0 8px rgba(0, 212, 255, 0.4))
    drop-shadow(0 0 16px rgba(0, 153, 255, 0.3))
    drop-shadow(0 0 24px rgba(0, 212, 255, 0.2));
  z-index: 1;
}

.citas-container {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.citas-card {
  background: linear-gradient(135deg, rgba(10, 15, 26, 0.8), rgba(10, 15, 26, 0.6));
  border: 1px solid rgba(90, 210, 255, 0.2);
  border-radius: 20px;
  padding: 32px;
  max-width: 600px;
  width: 100%;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(90, 210, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.citas-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(90, 210, 255, 0.1),
    transparent
  );
  transition: left 0.6s ease;
}

.citas-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(90, 210, 255, 0.4);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(90, 210, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.citas-card:hover::before {
  left: 100%;
}

.citas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(90, 210, 255, 0.2);
}

.citas-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(90, 210, 255, 0.2), rgba(46, 115, 255, 0.1));
  border-radius: 12px;
  color: #5ad2ff;
  border: 1px solid rgba(90, 210, 255, 0.3);
}

.citas-header h3 {
  flex: 1;
  margin: 0 0 0 16px;
  font-size: 20px;
  font-weight: 600;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #e6f0ff 20%,
    #5ad2ff 50%,
    #2e73ff 80%,
    #ffffff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbowFlow 4s ease-in-out infinite;
}

/* Timer Circle */
.citas-timer {
  display: flex;
  align-items: center;
}

.timer-circle {
  position: relative;
  width: 40px;
  height: 40px;
}

.timer-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-bg {
  fill: none;
  stroke: rgba(90, 210, 255, 0.2);
  stroke-width: 2;
}

.timer-progress {
  fill: none;
  stroke: #5ad2ff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 1s linear;
  filter: drop-shadow(0 0 4px rgba(90, 210, 255, 0.6));
}

.timer-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  font-weight: 600;
  color: #5ad2ff;
}

/* Citas Content */
.citas-content {
  margin-bottom: 24px;
}

.citas-quote {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 20px 0;
  padding: 20px;
  background: rgba(90, 210, 255, 0.05);
  border-left: 4px solid #5ad2ff;
  border-radius: 0 12px 12px 0;
  position: relative;
  font-style: italic;
  transition: all 0.3s ease;
}

.citas-quote::before {
  content: '"';
  position: absolute;
  top: -8px;
  left: 8px;
  font-size: 48px;
  color: rgba(90, 210, 255, 0.3);
  font-family: serif;
  line-height: 1;
}

.citas-quote::after {
  content: '"';
  position: absolute;
  bottom: -16px;
  right: 8px;
  font-size: 48px;
  color: rgba(90, 210, 255, 0.3);
  font-family: serif;
  line-height: 1;
}

.citas-quote:hover {
  background: rgba(90, 210, 255, 0.08);
  border-left-color: #2e73ff;
  transform: translateX(4px);
}

.citas-author {
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-info {
  text-align: center;
}

.author-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #5ad2ff;
  margin-bottom: 4px;
  background: linear-gradient(
    90deg,
    #5ad2ff 0%,
    #2e73ff 50%,
    #5ad2ff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbowFlow 3s ease-in-out infinite;
}

.author-era {
  display: block;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* Citas Footer */
.citas-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(90, 210, 255, 0.2);
}

.citas-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(90, 210, 255, 0.2), rgba(46, 115, 255, 0.1));
  border: 1px solid rgba(90, 210, 255, 0.3);
  border-radius: 12px;
  color: #5ad2ff;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.citas-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(90, 210, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.citas-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(90, 210, 255, 0.5);
  box-shadow: 0 8px 20px rgba(90, 210, 255, 0.2);
}

.citas-btn:hover::before {
  left: 100%;
}

.citas-btn:active {
  transform: translateY(0);
}

.citas-btn svg {
  transition: transform 0.3s ease;
}

.citas-btn:hover svg {
  transform: rotate(180deg);
}

.api-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  background: rgba(46, 115, 255, 0.15);
  border: 1px solid rgba(46, 115, 255, 0.3);
  border-radius: 20px;
  color: #bcd4ff;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Loading Animation */
.citas-quote.loading {
  background: linear-gradient(
    90deg,
    rgba(90, 210, 255, 0.1) 25%,
    rgba(90, 210, 255, 0.2) 50%,
    rgba(90, 210, 255, 0.1) 75%
  );
  background-size: 200% 100%;
  animation: loadingShimmer 1.5s infinite;
}

@keyframes loadingShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Responsive Design */
@media (min-width: 1200px) {
  .citas-section-with-partial-border {
    padding: 36px 28px 44px 28px;
  }
  
  .citas-section-with-partial-border h2 {
    margin-left: 20px;
    margin-top: 20px;
    margin-bottom: 28px;
  }
  
  .citas-card {
    padding: 36px;
    max-width: 650px;
  }
  
  .citas-header h3 {
    font-size: 22px;
  }
  
  .citas-quote {
    font-size: 20px;
    padding: 24px;
  }
  
  .author-name {
    font-size: 18px;
  }
  
  .author-era {
    font-size: 15px;
  }
}

@media (min-width: 1600px) {
  .citas-section-with-partial-border {
    padding: 40px 32px 48px 32px;
  }
  
  .citas-section-with-partial-border h2 {
    margin-left: 24px;
    margin-top: 24px;
    margin-bottom: 32px;
  }
  
  .citas-card {
    padding: 40px;
    max-width: 700px;
  }
  
  .citas-header h3 {
    font-size: 24px;
  }
  
  .citas-quote {
    font-size: 22px;
    padding: 28px;
  }
  
  .author-name {
    font-size: 20px;
  }
  
  .author-era {
    font-size: 16px;
  }
}

@media (min-width: 2000px) {
  .citas-section-with-partial-border {
    padding: 44px 36px 52px 36px;
  }
  
  .citas-section-with-partial-border h2 {
    margin-left: 28px;
    margin-top: 28px;
    margin-bottom: 36px;
  }
  
  .citas-card {
    padding: 44px;
    max-width: 750px;
  }
  
  .citas-header h3 {
    font-size: 26px;
  }
  
  .citas-quote {
    font-size: 24px;
    padding: 32px;
  }
  
  .author-name {
    font-size: 22px;
  }
  
  .author-era {
    font-size: 18px;
  }
}

@media (max-width: 760px) {
  .citas-section-with-partial-border {
    padding: 28px 20px 36px 20px;
  }
  
  .citas-section-with-partial-border h2 {
    margin-left: 12px;
    margin-top: 12px;
    margin-bottom: 20px;
  }
  
  .citas-card {
    padding: 24px;
    max-width: 100%;
  }
  
  .citas-header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .citas-header h3 {
    margin-left: 0;
    font-size: 18px;
  }
  
  .citas-quote {
    font-size: 16px;
    padding: 16px;
  }
  
  .author-name {
    font-size: 15px;
  }
  
  .author-era {
    font-size: 13px;
  }
  
  .citas-footer {
    flex-direction: column;
    gap: 12px;
  }
  
  .citas-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Visitors Analytics - TRON UI */
.visitors-section-with-partial-border {
  position: relative;
  overflow: visible;
  padding: 32px 24px 40px 24px;
}

.visitors-section-with-partial-border::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 4px solid transparent;
  border-radius: 20px;
  background: linear-gradient(90deg, transparent 0%, transparent 80%, #00d4ff 88%, #2e73ff 95%, #00d4ff 100%);
  background-size: 400% 100%;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  animation: racingBorder 14s linear infinite;
  filter: drop-shadow(0 0 10px rgba(90, 210, 255, 0.35));
  z-index: 1;
}

.visitors-title {
  margin: 12px 0 8px 16px;
}

.visitors-subtitle {
  margin: 0 0 24px 16px;
  color: var(--muted);
}

.visitors-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 1.4fr);
  gap: 24px;
  align-items: stretch;
}

.visitors-panel,
.visitors-map-panel {
  background: linear-gradient(145deg, rgba(10, 15, 26, 0.85), rgba(10, 15, 26, 0.6));
  border: 1px solid rgba(90, 210, 255, 0.18);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.visitors-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--muted);
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: #e9f3ff;
  text-shadow: 0 0 12px rgba(90, 210, 255, 0.25);
}

.metric-inline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.visitor-flag {
  width: 30px;
  height: 22px;
  border-radius: 5px;
  object-fit: cover;
  border: 1px solid rgba(90, 210, 255, 0.45);
  box-shadow: 0 0 10px rgba(90, 210, 255, 0.4);
  display: none;
}

.visitors-list {
  margin-top: 20px;
}

.list-header {
  font-weight: 600;
  margin-bottom: 12px;
  color: #d8e6ff;
}

.country-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.country-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  background: rgba(5, 10, 22, 0.6);
  border: 1px solid rgba(90, 210, 255, 0.15);
  border-radius: 12px;
  padding: 10px 12px;
}

.country-flag {
  width: 28px;
  height: 20px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 0 8px rgba(90, 210, 255, 0.4);
  border: 1px solid rgba(90, 210, 255, 0.35);
}

.country-name {
  font-size: 0.95rem;
}

.country-count {
  font-weight: 600;
  color: #9fd6ff;
}

.country-bar {
  grid-column: 1 / -1;
  height: 6px;
  border-radius: 999px;
  background: rgba(90, 210, 255, 0.15);
  overflow: hidden;
}

.country-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #5ad2ff, #2e73ff);
  box-shadow: 0 0 12px rgba(90, 210, 255, 0.4);
}

.map-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-weight: 600;
}

.map-legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.85rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #5ad2ff;
  box-shadow: 0 0 10px rgba(90, 210, 255, 0.8);
}

.map-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(90, 210, 255, 0.15);
  background: radial-gradient(circle at 20% 20%, rgba(90, 210, 255, 0.12), transparent 45%),
              radial-gradient(circle at 80% 30%, rgba(46, 115, 255, 0.18), transparent 50%),
              rgba(5, 10, 22, 0.85);
}

.visitor-map {
  width: 100%;
  height: 100%;
}

.map-bg {
  fill: rgba(5, 10, 22, 0.8);
}

.map-land path {
  fill: url(#mapGlow);
  stroke: rgba(90, 210, 255, 0.45);
  stroke-width: 1.2;
}

.map-graticule path {
  fill: none;
  stroke: rgba(90, 210, 255, 0.12);
  stroke-width: 0.8;
}

.map-markers .map-dot {
  fill: #5ad2ff;
  stroke: rgba(255, 255, 255, 0.6);
  stroke-width: 1;
  filter: drop-shadow(0 0 8px rgba(90, 210, 255, 0.8));
}

.map-markers .map-dot.pulse {
  animation: mapPulse 2.6s ease-in-out infinite;
}

.map-crosshair {
  stroke: rgba(255, 255, 255, 0.9);
  stroke-width: 1.4;
  fill: none;
  filter: drop-shadow(0 0 10px rgba(90, 210, 255, 0.8));
}

.map-crosshair circle:last-child {
  fill: #5ad2ff;
  stroke: none;
}

.map-crosshair circle:first-child {
  stroke: #5ad2ff;
  stroke-width: 1.6;
}

.visitors-footer {
  margin-top: 18px;
  text-align: right;
  position: relative;
  z-index: 2;
}

@keyframes mapPulse {
  0% {
    transform: scale(0.85);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(0.85);
    opacity: 0.6;
  }
}

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

@media (max-width: 760px) {
  .visitors-section-with-partial-border {
    padding: 28px 20px 36px 20px;
  }

  .visitors-panel,
  .visitors-map-panel {
    padding: 20px;
  }

  .metric-value {
    font-size: 1.4rem;
  }
}