/* Variables CSS para temas (oscuro y claro) */
:root {
  /* Modo Oscuro */
  --bg: #0b1220;
  --bg-2: #0e1729;
  --text: #e6edf6;
  --muted: #94a3b8;
  --brand: #2ea8ff;
  --brand-d: #1673c5;
  --glow: 0 0 24px rgba(46, 168, 255, 0.35);
  --radius: 18px;
  --maxw: 1100px;
  --card-bg: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.06);
  --input-bg: #0d1629;
  --accent: #7c6fff;
  --accent-glow: 0 0 20px rgba(124, 111, 255, 0.4);
  --nav-height: 64px;
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

body.light {
  /* Modo Claro */
  --bg: #f8fafc;
  --bg-2: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --brand: #3b82f6;
  --brand-d: #1d4ed8;
  --glow: 0 0 24px rgba(59, 130, 246, 0.35);
  --card-bg: rgba(0, 0, 0, 0.04);
  --border: rgba(0, 0, 0, 0.06);
  --input-bg: #ffffff;
  --accent: #7c6fff;
  --accent-glow: 0 0 20px rgba(124, 111, 255, 0.1);
  --nav-height: 64px;
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* Reset y estilos base */
* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(
      1200px 800px at 75% -10%,
      rgba(46, 168, 255, 0.15),
      transparent 60%
    ),
    radial-gradient(
      900px 700px at -10% 110%,
      rgba(118, 69, 255, 0.12),
      transparent 60%
    ),
    var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s ease;
  position: relative;
  scroll-behavior: smooth;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

body {
  scroll-snap-type: y mandatory;
  scroll-padding-top: calc(var(--nav-height) + 24px);
}

body.light {
  background: radial-gradient(
      1200px 800px at 75% -10%,
      rgba(59, 130, 246, 0.1),
      transparent 60%
    ),
    radial-gradient(
      900px 700px at -10% 110%,
      rgba(139, 92, 246, 0.08),
      transparent 60%
    ),
    var(--bg);
}

body.nav-open {
  overflow: hidden;
  scroll-snap-type: none;
}

/* Canvas para estrellas de fondo */
#stars-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Contenedor principal con margen superior para navbar */
main.page {
  position: relative;
  z-index: 2;
  margin-top: var(--nav-height);
  display: flex;
  flex-direction: column;
}

/* Media queries generales para móviles */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  body {
    scroll-snap-type: y proximity;
    scroll-padding-top: calc(var(--nav-height) + 16px);
  }

  section {
    padding: clamp(72px, 18vw, 120px) 0 clamp(48px, 14vw, 80px);
  }

  section::before {
    inset: clamp(24px, 12vw, 52px) clamp(16px, 8vw, 36px);
    border-radius: calc(var(--radius) * 1.2);
    opacity: 0.38;
  }

  .hero .section-inner {
    padding: clamp(64px, 22vw, 120px) 0 clamp(42px, 16vw, 72px);
    gap: clamp(24px, 9vw, 38px);
  }

  .hero::after {
    opacity: 0.5;
  }
}

/* Estilos base para enlaces e imágenes */
a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Contenedor principal con ancho máximo */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

/* Estilos para la Navbar fija */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  backdrop-filter: saturate(140%) blur(16px);
  background: rgba(11, 18, 32, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(8, 14, 29, 0.4), 0 0 1px rgba(46, 168, 255, 0.2);
  z-index: 20;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(46, 168, 255, 0.1), transparent);
  animation: navShine 8s infinite;
}

@keyframes navShine {
  0%, 100% { left: -100%; }
  50% { left: 100%; }
}

body.light .nav {
  background: rgba(248, 250, 252, 0.92);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 14px 36px rgba(148, 163, 184, 0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 100%;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Marca/Logo de la navbar */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--brand), #7cf);
  box-shadow: 0 0 18px rgba(46, 168, 255, 0.85);
  transition: all 0.3s ease;
  animation: pulseGlow 2s ease-in-out infinite;
}

body.light .brand .dot {
  background: linear-gradient(120deg, var(--brand), #60a5fa);
  box-shadow: 0 0 18px rgba(59, 130, 246, 0.85);
}

/* Animaciones generales */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(46, 168, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(46, 168, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(46, 168, 255, 0);
  }
}

@keyframes floatY {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

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

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  50% {
    opacity: 1;
  }
}

/* Letras animadas del logo */
.title-letters {
  display: inline-flex;
}

.letter {
  opacity: 0;
  transform: translateY(100px) rotateX(90deg);
  animation: slideInLetter 0.8s ease forwards;
  transition: transform 0.3s ease;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.letter:hover {
  transform: translateY(-5px) rotateX(10deg);
}

.letter:nth-child(1) {
  animation-delay: 0.1s;
}
.letter:nth-child(2) {
  animation-delay: 0.2s;
}
.letter:nth-child(3) {
  animation-delay: 0.3s;
}
.letter:nth-child(4) {
  animation-delay: 0.4s;
}
.letter:nth-child(5) {
  animation-delay: 0.5s;
}
.letter:nth-child(6) {
  animation-delay: 0.6s;
}
.letter:nth-child(7) {
  animation-delay: 0.7s;
}
.letter:nth-child(8) {
  animation-delay: 0.8s;
}
.letter:nth-child(9) {
  animation-delay: 0.9s;
}
.letter:nth-child(10) {
  animation-delay: 1s;
}
.letter:nth-child(11) {
  animation-delay: 1.1s;
}
.letter:nth-child(12) {
  animation-delay: 1.2s;
}
.letter:nth-child(13) {
  animation-delay: 1.3s;
}

@keyframes slideInLetter {
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

.brand small {
  opacity: 0.8;
  font-weight: 600;
}

/* Menú de navegación */
.menu {
  display: flex;
  gap: 18px;
  align-items: center;
}

.menu a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  transition: color 0.3s ease, background 0.3s ease, transform 0.3s ease;
  cursor: pointer;
  position: relative;
}

.menu a:hover,
.menu a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transform: scale(1.05) rotate(2deg);
}

.menu a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--brand);
}

body.light .menu a {
  color: var(--muted);
}

body.light .menu a:hover,
body.light .menu a.active {
  background: rgba(0, 0, 0, 0.05);
}

/* Botón de cambio de tema */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(180deg) scale(1.1);
}

body.light .theme-toggle i {
  color: var(--text);
}

/* Botones generales (CTA) */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 16px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, rgba(46, 168, 255, 0.9), rgba(124, 111, 255, 0.8));
  background-size: 200% 200%;
  box-shadow: 0 8px 24px rgba(46, 168, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

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

body.light .btn {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(139, 92, 246, 0.8));
  color: #ffffff;
}

.btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 32px rgba(46, 168, 255, 0.6), 0 0 0 4px rgba(46, 168, 255, 0.2);
  background-position: 100% 0;
  animation: btnPulse 1.5s infinite;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 12px 32px rgba(46, 168, 255, 0.6), 0 0 0 4px rgba(46, 168, 255, 0.2); }
  50% { box-shadow: 0 12px 40px rgba(46, 168, 255, 0.8), 0 0 0 6px rgba(46, 168, 255, 0.3); }
}

body.light .btn:hover {
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.6), 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--brand);
  box-shadow: none;
}

.btn.ghost:hover {
  background: rgba(46, 168, 255, 0.1);
  border-color: var(--accent);
}

/* Estilos generales para secciones */
section {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  padding: clamp(80px, 12vw, 120px) 0 clamp(60px, 10vw, 100px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  scroll-margin-top: calc(var(--nav-height) + 24px);
  overflow: hidden;
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

section.active,
section.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Fondo decorativo para secciones */
section::before {
  content: "";
  position: absolute;
  inset: clamp(36px, 9vw, 96px) clamp(24px, 6vw, 64px);
  border-radius: calc(var(--radius) * 1.6);
  background: linear-gradient(
    140deg,
    rgba(46, 168, 255, 0.2),
    rgba(124, 111, 255, 0.1)
  );
  opacity: 0.45;
  z-index: 1;
  pointer-events: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

section:nth-of-type(even)::before {
  background: linear-gradient(
    140deg,
    rgba(124, 111, 255, 0.18),
    rgba(46, 168, 255, 0.12)
  );
}

body.light section::before {
  background: linear-gradient(
      140deg,
      rgba(59, 130, 246, 0.18),
      rgba(139, 92, 246, 0.12)
    ),
    rgba(255, 255, 255, 0.7);
  opacity: 0.35;
}

.hero::before {
  inset: clamp(26px, 7vw, 70px) clamp(18px, 5vw, 56px);
  opacity: 0.5;
}

body.light .hero::before {
  opacity: 0.4;
}

.section-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

body:not(.js-enabled) section {
  opacity: 1;
  transform: none;
}

/* Sección Hero (Inicio) - Optimizada para centrado y estética */
.hero {
  --cursor-x: 50%;
  --cursor-y: 48%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    520px circle at var(--cursor-x) var(--cursor-y),
    rgba(46, 168, 255, 0.24),
    rgba(124, 111, 255, 0.18),
    transparent 70%
  );
  opacity: 0.38;
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 1;
}

body.light .hero::after {
  background: radial-gradient(
    520px circle at var(--cursor-x) var(--cursor-y),
    rgba(59, 130, 246, 0.18),
    rgba(96, 165, 250, 0.12),
    rgba(148, 163, 184, 0.08),
    transparent 72%
  );
  opacity: 0.32;
  mix-blend-mode: multiply;
}

.hero.has-pointer::after {
  opacity: 0.7;
  transform: scale(1.04);
}

.hero .section-inner {
  padding: clamp(48px, 8vw, 72px) 0 clamp(32px, 6vw, 64px);
  gap: clamp(24px, 4vw, 48px);
  text-align: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 48px);
  align-items: center;
  justify-items: center;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    justify-items: start;
  }

  .hero-copy {
    text-align: left;
    max-width: none;
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.8vw, 8px);
  animation: fadeIn 0.6s ease forwards;
  opacity: 0;
  max-width: 600px;
  margin: 0 auto;
}

.hero-copy.animating .kicker {
  animation-delay: 0.2s;
}
.hero-copy.animating .title {
  animation-delay: 0.4s;
}
.hero-copy.animating .lead {
  animation-delay: 0.6s;
}
.hero-copy.animating .hero-actions {
  animation: fadeIn 0.6s ease forwards;
  animation-delay: 0.8s;
  opacity: 0;
}
.hero-copy.animating .social {
  animation: fadeIn 0.6s ease forwards;
  animation-delay: 1s;
  opacity: 0;
}

.title-line {
  font-weight: 700;
  letter-spacing: 0.4px;
  animation: floatTitle 5s ease-in-out infinite;
  background: linear-gradient(45deg, var(--brand), #7cf, var(--brand));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.title-line:nth-child(1) {
  animation-delay: 0s;
}
.title-line:nth-child(2) {
  animation-delay: 1.2s;
  font-weight: 600;
}

.title-line b {
  font-weight: 700;
  color: inherit;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.5vw, 16px);
  align-items: center;
  margin-top: clamp(8px, 2vw, 20px);
}

.hero-actions .cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.social {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  justify-content: center;
}

.kicker {
  color: #9cccf7;
  font-weight: 600;
  letter-spacing: 0.3px;
  font-size: 16px;
  animation: floatIn 0.8s ease-out forwards, textGlow 3s ease-in-out infinite;
  opacity: 0;
  transform: translateY(20px);
}

.title {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  margin: 10px 0 14px;
  animation: scaleIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: scale(0.9);
  color: var(--text);
}

.lead {
  color: var(--muted);
  max-width: 50ch;
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.6;
  animation: slideInBottom 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateY(30px);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 0;
  justify-content: center;
}

/* Estilos para la órbita del Hero */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 400px;
  position: relative;
}

.hero-orbit {
  position: relative;
  width: 300px;
  height: 300px;
  animation: rotateOrbit 30s linear infinite;
}

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

.hero-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--brand);
  animation: pulse 2s ease-in-out infinite;
  z-index: 2;
}

.hero-core-title {
  display: block;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.hero-core-subtitle {
  display: block;
  font-size: 14px;
  opacity: 0.8;
  font-weight: 400;
}

.hero-orbit-item {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateX(120px)
    rotate(calc(-1 * var(--angle)));
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  animation: fadeInOrbit 1s ease forwards;
  animation-delay: var(--delay);
  transition: opacity 0.3s ease;
}

.hero-orbit-item.visible {
  opacity: 1;
}

.hero-orbit-item i {
  font-size: 24px;
  color: var(--brand);
  animation: iconGlow 3s ease-in-out infinite alternate;
  transition: color 0.3s ease;
}

.hero-orbit-item:hover i {
  color: var(--accent);
}

.hero-orbit-item small {
  font-size: 10px;
  margin-top: 4px;
  color: var(--muted);
  text-align: center;
  min-width: 60px;
}

@keyframes fadeInOrbit {
  to {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(var(--angle)) translateX(120px)
      rotate(calc(-1 * var(--angle)));
  }
}

@keyframes iconGlow {
  0% {
    text-shadow: 0 0 5px var(--brand);
    transform: scale(1);
  }
  100% {
    text-shadow: 0 0 20px var(--brand), 0 0 30px var(--accent);
    transform: scale(1.1);
  }
}

.hero-orbit-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(46, 168, 255, 0.15) 0%,
    rgba(124, 111, 255, 0.1) 70%,
    transparent 100%
  );
  transform: translate(-50%, -50%);
  animation: glowPulse 4s ease-in-out infinite;
  z-index: 1;
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1.05);
  }
}

/* Títulos de secciones */
.section-title {
  font-size: clamp(28px, 5vw, 36px);
  margin: 0 0 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  animation: slideInBottom 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateY(30px);
}

.underline {
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), transparent);
  border-radius: 99px;
  animation: underlineGlow 2s ease-in-out infinite alternate;
  transform: scaleX(0);
  transform-origin: left;
  animation: scaleX 0.8s ease-out forwards,
    underlineGlow 2s ease-in-out infinite alternate 0.8s;
}

@keyframes underlineGlow {
  from {
    box-shadow: 0 0 5px var(--brand);
  }
  to {
    box-shadow: 0 0 20px var(--brand);
  }
}

@keyframes scaleX {
  to {
    transform: scaleX(1);
  }
}

/* Tarjetas generales (para About, Projects, etc.) */
.cards,
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  width: 100%;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  justify-items: center;
}

.card,
.project {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(var(--radius) + 4px);
  padding: 28px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  opacity: 0;
  transform: translateY(30px) rotateX(10deg);
  animation: fadeInUp 0.6s ease forwards;
  text-align: left;
  width: 100%;
  max-width: 320px;
  position: relative;
  overflow: hidden;
}

.card::before,
.project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-3);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover::before,
.project:hover::before {
  opacity: 1;
}

body.light .card,
body.light .project {
  background: linear-gradient(180deg, var(--card-bg), rgba(0, 0, 0, 0.02));
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
}

.card.animate,
.project.animate {
  opacity: 1;
  transform: translateY(0);
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.card:hover,
.project:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: 0 20px 60px rgba(46, 168, 255, 0.3), 0 0 0 1px rgba(46, 168, 255, 0.2);
  border-color: rgba(46, 168, 255, 0.4);
}

body.light .card:hover,
body.light .project:hover {
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.card h3,
.project h4 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--brand);
  position: relative;
  padding-bottom: 8px;
}

.card h3::after,
.project h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.card p,
.project p {
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

/* Habilidades técnicas (chips) */
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 40px 0;
  justify-content: center;
  width: 100%;
  max-width: 1200px;
}

.skill-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
  min-width: 120px;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

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

.skill-chip:hover::before {
  left: 100%;
}

.skill-chip.animate {
  opacity: 1;
  transform: translateY(0);
  animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.skill-chip i {
  font-size: 18px;
  width: 22px;
  transition: transform 0.3s ease;
}

.skill-chip:hover i {
  transform: scale(1.2) rotate(10deg);
}

.skill-chip:hover {
  transform: translateX(8px) scale(1.08) rotate(5deg);
  box-shadow: var(--glow);
  z-index: 2;
  border-color: var(--accent);
}

/* Colores específicos para cada habilidad */
.skill-chip.html {
  border-left: 4px solid #e34f26;
  background: linear-gradient(to right, rgba(227, 79, 38, 0.1), transparent);
}
.skill-chip.css {
  border-left: 4px solid #1572b6;
  background: linear-gradient(to right, rgba(21, 114, 182, 0.1), transparent);
}
.skill-chip.js {
  border-left: 4px solid #f7df1e;
  background: linear-gradient(to right, rgba(247, 223, 30, 0.1), transparent);
  color: #000;
}
.skill-chip.node {
  border-left: 4px solid #68a063;
  background: linear-gradient(to right, rgba(104, 160, 99, 0.1), transparent);
}
.skill-chip.git {
  border-left: 4px solid #f05032;
  background: linear-gradient(to right, rgba(240, 80, 50, 0.1), transparent);
}
.skill-chip.github {
  border-left: 4px solid #333;
  background: linear-gradient(to right, rgba(51, 51, 51, 0.1), transparent);
}
.skill-chip.mysql {
  border-left: 4px solid #4479a1;
  background: linear-gradient(to right, rgba(68, 121, 161, 0.1), transparent);
}
.skill-chip.postgres {
  border-left: 4px solid #336791;
  background: linear-gradient(to right, rgba(51, 103, 145, 0.1), transparent);
}
.skill-chip.angular {
  border-left: 4px solid #dd0031;
  background: linear-gradient(to right, rgba(221, 0, 49, 0.1), transparent);
}
.skill-chip.python {
  border-left: 4px solid #3776ab;
  background: linear-gradient(to right, rgba(55, 118, 171, 0.1), transparent);
}
.skill-chip.ruby {
  border-left: 4px solid #cc0000;
  background: linear-gradient(to right, rgba(204, 0, 0, 0.1), transparent);
}
.skill-chip.java {
  border-left: 4px solid #007396;
  background: linear-gradient(to right, rgba(0, 115, 150, 0.1), transparent);
}
.skill-chip.php {
  border-left: 4px solid #777bb4;
  background: linear-gradient(to right, rgba(119, 123, 180, 0.1), transparent);
}
.skill-chip.ajax {
  border-left: 4px solid #00bcd4;
  background: linear-gradient(to right, rgba(0, 188, 212, 0.1), transparent);
}
.skill-chip.laravel {
  border-left: 4px solid #ff2d20;
  background: linear-gradient(to right, rgba(255, 45, 32, 0.1), transparent);
}
.skill-chip.ts {
  border-left: 4px solid #3178c6;
  background: linear-gradient(to right, rgba(49, 120, 198, 0.1), transparent);
}

body.light .skill-chip:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* Proyectos específicos */
.project .thumb {
  height: 200px;
  background: linear-gradient(
    120deg,
    rgba(46, 168, 255, 0.32),
    rgba(118, 69, 255, 0.28)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: bold;
  color: var(--text);
  transition: background 0.3s ease;
  animation: thumbPulse 3s ease-in-out infinite;
  position: relative;
  border-radius: calc(var(--radius) - 4px);
  margin: -24px -24px 20px -24px;
}

.project .thumb::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: rotate(45deg);
  transition: 0.5s;
}

.project:hover .thumb::before {
  animation: shine 1.5s ease;
}

body.light .project .thumb {
  background: linear-gradient(
    120deg,
    rgba(59, 130, 246, 0.2),
    rgba(139, 92, 246, 0.18)
  );
}

@keyframes thumbPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes shine {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

.project:hover .thumb {
  background: linear-gradient(
    120deg,
    rgba(46, 168, 255, 0.45),
    rgba(118, 69, 255, 0.4)
  );
}

body.light .project:hover .thumb {
  background: linear-gradient(
    120deg,
    rgba(59, 130, 246, 0.35),
    rgba(139, 92, 246, 0.3)
  );
}

.project .body {
  padding: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tag {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--card-bg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.tag:hover::before {
  left: 100%;
}

.tag:hover {
  background: rgba(46, 168, 255, 0.2);
  transform: scale(1.1);
  border-color: var(--accent);
}

body.light .tag {
  background: var(--card-bg);
  color: var(--text);
}

body.light .tag:hover {
  background: rgba(59, 130, 246, 0.2);
}

/* Sección Contacto */
.contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin: 40px auto;
  width: 100%;
  max-width: 800px;
  padding: 0 20px;
  animation: fadeIn 0.8s ease forwards;
  opacity: 0;
}

@media (min-width: 768px) {
  .contact {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.contact p {
  color: var(--muted);
  line-height: 1.6;
  animation: slideInBottom 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateY(30px);
  text-align: center;
}

form {
  background: linear-gradient(
    180deg,
    var(--card-bg),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  animation: floatIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
}

form::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

form:focus-within::before {
  transform: scaleX(1);
}

body.light form {
  background: linear-gradient(180deg, var(--card-bg), rgba(0, 0, 0, 0.02));
}

form:hover {
  box-shadow: 0 0 20px rgba(46, 168, 255, 0.2);
  transform: scale(1.01) rotate(1deg);
}

body.light form:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  position: relative;
}

.field label {
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding-left: 10px;
}

.field label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
}

.field input,
.field textarea {
  padding: 14px 12px;
  border-radius: 12px;
  outline: none;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  font-size: 16px;
}

body.light .field input,
body.light .field textarea {
  background: var(--input-bg);
  color: var(--text);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(46, 168, 255, 0.25);
  transform: scale(1.02);
}

body.light .field input:focus,
body.light .field textarea:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.error {
  color: #ff6b6b;
  font-size: 14px;
  margin-top: 4px;
  opacity: 0;
  transform: translateY(-5px);
  transition: all 0.3s ease;
  display: block;
}

.error.show {
  opacity: 1;
  transform: translateY(0);
}

.field.invalid input,
.field.invalid textarea {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.25);
}

#status.success {
  animation: fadeInSuccess 0.5s ease;
}

@keyframes fadeInSuccess {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Chips de redes sociales */
.social-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 20px;
  transition: all 0.3s ease;
  animation: float 3s ease-in-out infinite;
  cursor: pointer;
}

.social-chip:hover {
  background: rgba(46, 168, 255, 0.2);
  transform: scale(1.1) rotate(360deg);
  box-shadow: var(--glow);
  color: var(--brand);
}

body.light .social-chip {
  background: var(--card-bg);
  color: var(--text);
}

body.light .social-chip:hover {
  background: rgba(59, 130, 246, 0.2);
  color: var(--brand);
}

/* YouTube button styles */
.social-chip.youtube-chip {
  transform: scale(1.2);
  margin: 0 8px;
  transition: transform 0.3s ease, background 0.3s ease;
}

.social-chip.youtube-chip:hover {
  transform: scale(1.3);
  background: rgba(255, 0, 0, 0.2) !important;
  color: #ff0000 !important;
}

.social-chip .fa-youtube {
  position: relative;
  z-index: 1;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* Footer */
footer {
  padding: 30px 0 60px;
  color: var(--muted);
  text-align: center;
  width: 100%;
  background: rgba(11, 18, 32, 0.8);
  backdrop-filter: blur(8px);
  transition: background 0.3s ease;
}

body.light footer {
  background: rgba(248, 250, 252, 0.9);
  color: var(--muted);
}

/* Animaciones generales */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes textGlow {
  0% {
    text-shadow: 0 0 5px rgba(46, 168, 255, 0.3);
  }
  50% {
    text-shadow: 0 0 20px rgba(46, 168, 255, 0.6),
      0 0 30px rgba(46, 168, 255, 0.4);
  }
  100% {
    text-shadow: 0 0 5px rgba(46, 168, 255, 0.3);
  }
}

@keyframes floatIn {
  0% {
    transform: translateY(50px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes scaleIn {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slideInBottom {
  0% {
    transform: translateY(100px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes floatTitle {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Navegación móvil */
.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 15;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text);
  margin: 3px 0;
  transition: 0.4s;
  border-radius: 2px;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--bg-2);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: calc(var(--nav-height) + 24px);
    transition: 0.5s ease-in-out;
    z-index: 30;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }

  .menu.active {
    right: 0;
  }

  .menu a {
    padding: 15px 20px;
    width: 100%;
    text-align: center;
    font-size: 18px;
    border-bottom: 1px solid var(--border);
  }

  .theme-toggle {
    margin-top: 20px;
    font-size: 20px;
    padding: 15px;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .cards,
  .projects {
    grid-template-columns: 1fr;
    padding: 0 10px;
  }

  .hero-visual {
    height: 300px;
  }

  .hero-orbit {
    width: 250px;
    height: 250px;
  }

  .hero-orbit-item {
    transform: translate(-50%, -50%) rotate(var(--angle)) translateX(100px)
      rotate(calc(-1 * var(--angle)));
  }
}

@media (max-width: 480px) {
  .menu {
    width: 80%;
  }

  .menu a {
    padding: 12px 15px;
    font-size: 16px;
  }

  .skills {
    gap: 12px;
  }

  .skill-chip {
    min-width: 100px;
    font-size: 14px;
  }
}

/* Formas decorativas - Optimizadas */
.floating-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--gradient-1);
  border-radius: 50%;
  top: 10%;
  left: -10%;
  filter: blur(80px);
}

.shape-2 {
  width: 250px;
  height: 250px;
  background: var(--gradient-2);
  border-radius: 50%;
  top: 60%;
  right: -5%;
  animation-delay: 5s;
  filter: blur(70px);
}

.shape-3 {
  width: 200px;
  height: 200px;
  background: var(--gradient-3);
  border-radius: 50%;
  bottom: 20%;
  left: 15%;
  animation-delay: 10s;
  filter: blur(60px);
}

.shape-4 {
  width: 180px;
  height: 180px;
  background: var(--gradient-4);
  border-radius: 50%;
  top: 40%;
  right: 20%;
  animation-delay: 15s;
  filter: blur(65px);
}

/* ========================================
   EFECTOS DE TEXTO MEJORADOS
   ======================================== */

.title {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  margin: 10px 0 14px;
  animation: scaleIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: scale(0.9);
  color: var(--text);
  position: relative;
}

.title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 4px;
  background: var(--gradient-3);
  border-radius: 2px;
  animation: expandLine 1.5s ease forwards 0.8s;
}

@keyframes expandLine {
  to { width: 120px; }
}

.title-line {
  font-weight: 700;
  letter-spacing: 0.4px;
  animation: floatTitle 5s ease-in-out infinite;
  background: linear-gradient(120deg, var(--brand), #7cf, var(--accent), var(--brand));
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientFlow 8s ease infinite, floatTitle 5s ease-in-out infinite;
  display: inline-block;
}

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

/* ========================================
   MEJORAS EN PROYECTOS
   ======================================== */

.project .thumb {
  height: 200px;
  background: var(--gradient-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 28px;
  font-weight: bold;
  color: #ffffff;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border-radius: calc(var(--radius) - 4px);
  margin: -28px -28px 20px -28px;
  overflow: hidden;
}

.project:nth-child(2) .thumb {
  background: var(--gradient-2);
}

.project:nth-child(3) .thumb {
  background: var(--gradient-3);
}

.project:nth-child(4) .thumb {
  background: var(--gradient-4);
}

.project .thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.project:hover .thumb::after {
  transform: translateX(100%);
}

.thumb-label {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ========================================
   EFECTOS DE GLASSMORPHISM
   ======================================== */

.hero-core-inner {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 24px 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ========================================
   ANIMACIONES DE ENTRADA MEJORADAS
   ======================================== */

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-100px) rotate(-5deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
  }
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(100px) rotate(5deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
  }
}

.card:nth-child(odd) {
  animation: slideInFromLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.card:nth-child(even) {
  animation: slideInFromRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ========================================
   EFECTOS DE SCROLL PARALLAX
   ======================================== */

.parallax-section {
  transform-style: preserve-3d;
}

.parallax-layer {
  transform: translateZ(-1px) scale(1.5);
}

/* ========================================
   MEJORAS EN CHIPS DE HABILIDADES
   ======================================== */

.skill-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
  min-width: 130px;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.skill-chip:hover {
  transform: translateY(-8px) scale(1.1);
  box-shadow: 0 12px 32px rgba(46, 168, 255, 0.4);
  z-index: 2;
  border-color: var(--brand);
  background: linear-gradient(145deg, rgba(46, 168, 255, 0.2), rgba(124, 111, 255, 0.15));
}

/* ========================================
   EFECTOS DE PARTÍCULAS EN HOVER
   ======================================== */

.social-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 22px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: float 3s ease-in-out infinite;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.social-chip::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--gradient-3);
  opacity: 0;
  transition: opacity 0.3s;
}

.social-chip:hover::before {
  opacity: 0.2;
}

.social-chip:hover {
  transform: translateY(-8px) scale(1.15) rotate(360deg);
  box-shadow: 0 12px 32px rgba(46, 168, 255, 0.5);
  border-color: var(--brand);
}

.social-chip i {
  position: relative;
  z-index: 1;
}

/* ========================================
   MEJORAS EN FORMULARIO
   ======================================== */

form {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(var(--radius) + 4px);
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: floatIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.field input,
.field textarea {
  padding: 16px 14px;
  border-radius: 14px;
  outline: none;
  border: 2px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  color: var(--text);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 16px;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--brand);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(46, 168, 255, 0.2), 0 8px 16px rgba(46, 168, 255, 0.3);
  transform: translateY(-2px);
}

/* ========================================
   EFECTOS DE CARGA
   ======================================== */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* ========================================
   EFECTOS ADICIONALES Y TOQUES FINALES
   ======================================== */

/* Efecto de neón en hover para enlaces */
.nav-link {
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: 2px;
  transition: transform 0.3s ease;
  box-shadow: 0 0 10px var(--brand);
}

.nav-link:hover::before,
.nav-link.active::before {
  transform: translateX(-50%) scaleX(1);
}

/* Efectos simplificados para mejor rendimiento */
.btn::after {
  display: none;
}

.btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 24px rgba(46, 168, 255, 0.5);
}

/* Hero optimizado */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(46, 168, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(124, 111, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* Efecto de sombra dinámica en tarjetas */
.card,
.project {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover,
.project:hover {
  filter: brightness(1.1);
}

/* Animación de entrada para el logo */
.brand {
  animation: logoEntrance 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes logoEntrance {
  0% {
    opacity: 0;
    transform: translateX(-50px) rotate(-10deg);
  }
  100% {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
  }
}

/* Efecto de profundidad en secciones */
section {
  position: relative;
  transform-style: preserve-3d;
}

section .container {
  transform: translateZ(20px);
}

/* Mejora en el footer con gradiente */
footer {
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  box-shadow: 0 0 20px var(--brand);
}

/* Efecto de partículas en el fondo */
@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(100px);
    opacity: 0;
  }
}

/* Mejora en los tags con efecto de badge */
.tag {
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 11px;
}

.tag:hover {
  background: linear-gradient(135deg, rgba(46, 168, 255, 0.3), rgba(124, 111, 255, 0.2));
  transform: translateY(-2px) scale(1.05);
  border-color: var(--brand);
  box-shadow: 0 4px 12px rgba(46, 168, 255, 0.3);
}

/* Efecto de resplandor en iconos */
.hero-orbit-item i,
.skill-chip i,
.social-chip i {
  filter: drop-shadow(0 0 8px currentColor);
  transition: filter 0.3s ease;
}

.hero-orbit-item:hover i,
.skill-chip:hover i,
.social-chip:hover i {
  filter: drop-shadow(0 0 16px currentColor) drop-shadow(0 0 24px currentColor);
}

/* Animación de entrada para elementos */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Efecto de glassmorphism mejorado */
.nav,
.card,
.project,
form,
.skill-chip,
.social-chip {
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
}

/* Mejora en la transición de tema */
body.theme-transition,
body.theme-transition * {
  transition: background 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Efecto de scroll suave mejorado */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
}

/* Animación de carga inicial */
@keyframes pageLoad {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body {
  animation: pageLoad 0.6s ease-out;
}

/* Efecto de hover en el menú móvil */
@media (max-width: 768px) {
  .menu a {
    position: relative;
    overflow: hidden;
  }
  
  .menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--gradient-3);
    transform: scaleY(0);
    transition: transform 0.3s ease;
  }
  
  .menu a:hover::before,
  .menu a.active::before {
    transform: scaleY(1);
  }
}

/* Mejora en la accesibilidad con focus visible */
*:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Efecto de pulso en elementos importantes */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.btn:active {
  animation: pulse 0.3s ease;
}

/* Mejora en la selección de texto */
::selection {
  background: rgba(46, 168, 255, 0.3);
  color: var(--text);
}

::-moz-selection {
  background: rgba(46, 168, 255, 0.3);
  color: var(--text);
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
  border-left: 1px solid var(--border);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--brand), var(--accent));
  border-radius: 6px;
  border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent), var(--brand));
}

/* Efecto de carga para imágenes */
img {
  animation: fadeInScale 0.6s ease-out;
}

/* Mejora en la tipografía con kerning */
h1, h2, h3, h4, h5, h6 {
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Efecto de sombra de texto en títulos */
.section-title {
  text-shadow: 0 2px 20px rgba(46, 168, 255, 0.3);
}

/* Animación de entrada para el hero */
.hero-copy > * {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.hero-copy .kicker { animation-delay: 0.1s; }
.hero-copy .title { animation-delay: 0.2s; }
.hero-copy .lead { animation-delay: 0.3s; }
.hero-copy .hero-actions { animation-delay: 0.4s; }
.hero-copy .social { animation-delay: 0.5s; }

/* ========================================
   ANIMACIÓN DEL NOMBRE - OPTIMIZADA
   ======================================== */

.name-letter {
  display: inline-block;
  animation: letterFloat 3s ease-in-out infinite, letterAppear 0.6s ease-out backwards;
  animation-delay: var(--letter-delay, 0s);
}

@keyframes letterAppear {
  from {
    opacity: 0;
    transform: translateY(30px) rotateX(-90deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

@keyframes letterFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.name-letter:nth-child(odd) {
  animation-delay: calc(var(--letter-delay, 0s) + 0s);
}

.name-letter:nth-child(even) {
  animation-delay: calc(var(--letter-delay, 0s) + 0.1s);
}

.name-letter:hover {
  animation: letterBounce 0.5s ease;
  color: var(--brand);
  text-shadow: 0 0 20px var(--brand);
}

@keyframes letterBounce {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.2);
  }
}

/* Optimización: Reducir animaciones pesadas */
* {
  will-change: auto;
}

.name-letter,
.btn,
.card:hover,
.project:hover {
  will-change: transform;
}


/* ========================================
   FOOTER CON REDES SOCIALES
   ======================================== */

footer {
  padding: 40px 0;
  color: var(--muted);
  text-align: center;
  width: 100%;
  background: rgba(11, 18, 32, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s ease;
  position: relative;
  z-index: 10;
}

body.light footer {
  background: rgba(248, 250, 252, 0.95);
  color: var(--muted);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Redes sociales en el footer */
.footer-social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: fadeInUp 0.8s ease-out;
}

.footer-social .social-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-social .social-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-social .social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text);
  font-size: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.footer-social .social-link::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}

.footer-social .social-link:hover {
  transform: translateY(-5px) scale(1.15);
  color: white;
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(46, 168, 255, 0.4);
}

.footer-social .social-link:hover::before {
  opacity: 1;
}

/* YouTube con color especial */
.footer-social .social-link-youtube:hover {
  color: #ff0000;
}

.footer-social .social-link-youtube:hover::before {
  background: #ff0000;
}

/* Copyright */
.footer-copyright {
  font-size: 14px;
  color: var(--muted);
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  width: 100%;
  max-width: 600px;
}

body.light .footer-copyright {
  border-top-color: rgba(0, 0, 0, 0.05);
}

/* Responsive */
@media (max-width: 768px) {
  footer {
    padding: 32px 0;
  }
  
  .footer-content {
    gap: 20px;
  }
  
  .footer-social .social-link {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
  
  .footer-copyright {
    font-size: 13px;
    padding-top: 12px;
  }
}

@media (max-width: 480px) {
  .footer-social .social-links {
    gap: 10px;
  }
  
  .footer-social .social-link {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}

/* Animación de entrada */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}