:root {
  --brand-blue: #6ea7d6;
  --brand-dark: #232323;
  --brand-light: #f6f8fb;
  --brand-card: #2d3237;
  --brand-glassy: rgba(255,255,255,0.04);
  --brand-glassy2: rgba(110,167,214,0.06);
  --brand-white: #fff;
  --brand-grey: #cbd2db;
  --brand-shadow: 0 8px 32px 0 rgba(34,34,34,0.18);
}

body {
  font-family: 'Ubuntu', 'Century Gothic', Arial, sans-serif;
  margin: 0;
  background: var(--brand-dark);
  color: var(--brand-light);
  min-height: 100vh;
  letter-spacing: 0.01em;
}

a { color: var(--brand-blue); }

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2.5vw;
  background: rgba(35,35,35,0.97);
  box-shadow: var(--brand-shadow);
  position: sticky;
  top: 0;
  z-index: 20;
  font-family: 'Ubuntu', Arial, sans-serif;
  backdrop-filter: blur(8px);
}
.glassy { background: rgba(35,35,35,0.85); backdrop-filter: blur(8px);}
.logo {
  height: 64px;
  width: auto;
  transition: transform 0.5s cubic-bezier(.16,1.16,.47,.94), filter 0.3s;
  filter: drop-shadow(0 3px 16px #222a2f30);
}
.logo:hover { transform: scale(1.08) rotate(-2deg); filter: drop-shadow(0 6px 24px #6ea7d610); }

nav ul {
  list-style: none;
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
}
nav a {
  color: var(--brand-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.13rem;
  letter-spacing: 0.03em;
  transition: color 0.21s, box-shadow 0.21s;
  font-family: 'Ubuntu', Arial, sans-serif;
  position: relative;
  padding: 2px 0;
}
nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--brand-blue);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.2s;
}
nav a.active, nav a:hover { color: var(--brand-blue);}
nav a.active::after, nav a:hover::after { transform: scaleX(1); }

.hero {
  position: relative;
  min-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-dark);
  color: var(--brand-light);
  overflow: hidden;
  font-family: 'Ubuntu', Arial, sans-serif;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 40% 30%, rgba(110,167,214,0.22) 0, transparent 80%),
              linear-gradient(135deg, var(--brand-dark) 60%, var(--brand-blue) 120%);
  opacity: 0.93;
  z-index: 1;
  pointer-events: none;
  background-size: 200% 200%;
  animation: gradientMove 10s ease-in-out infinite alternate;
}
@keyframes gradientMove {
  0% {
    background-position: 60% 40%, 0% 100%;
  }
  50% {
    background-position: 40% 60%, 100% 0%;
  }
  100% {
    background-position: 80% 20%, 0% 0%;
  }
}
.logo-hero {
  width: 130px;
  height: auto;
  margin-bottom: 0.6rem;
  border-radius: 1.2rem;
  box-shadow: 0 2px 32px #6ea7d655;
  background: var(--brand-card);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  animation: fadein 1.1s cubic-bezier(.26,1.16,.47,.94);
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  letter-spacing: 0.01em;
  animation: slidein 0.8s cubic-bezier(.26,1.16,.47,.94);
  font-family: 'Ubuntu', Arial, sans-serif;
}
.hero h1 span {
  color: var(--brand-blue);
  text-shadow: 1px 2px 8px #0002;
}
.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.2rem;
  animation: fadeup 1.3s cubic-bezier(.26,1.16,.47,.94);
  color: var(--brand-grey);
}
.cta-btn {
  background: var(--brand-blue);
  color: var(--brand-dark);
  padding: 1rem 2.7rem;
  border: none;
  border-radius: 2rem;
  font-size: 1.18rem;
  font-weight: bold;
  box-shadow: 0 2px 18px #6ea7d633;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.22s, color 0.22s, transform 0.18s;
  animation: scalein 0.9s cubic-bezier(.26,1.16,.47,.94);
  font-family: 'Ubuntu', Arial, sans-serif;
}
.cta-btn:hover {
  background: var(--brand-white);
  color: var(--brand-blue);
  transform: scale(1.07);
  box-shadow: 0 8px 40px #6ea7d655;
}

.servicios {
  padding: 3.2rem 2vw 3.7rem 2vw;
  background: linear-gradient(135deg, var(--brand-card) 70%, var(--brand-dark) 100%);
  text-align: center;
  color: var(--brand-light);
  position: relative;
  z-index: 2;
  background-size: 200% 200%;
  animation: serviciosGradient 18s ease-in-out infinite alternate;
}
@keyframes serviciosGradient {
  0% {
    background-position: 0% 100%;
  }
  50% {
    background-position: 100% 0%;
  }
  100% {
    background-position: 0% 0%;
  }
}
.servicios h2 {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--brand-blue);
  animation: fadeup 0.95s;
  font-family: 'Ubuntu', Arial, sans-serif;
  margin-bottom: 2.1rem;
}
.servicio-lista {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2.2rem;
}
.servicio {
  background: var(--brand-light);
  border: none;
  border-radius: 1.3rem;
  padding: 2.1rem 1.5rem 1.8rem 1.5rem;
  flex: 1 1 210px;
  min-width: 240px;
  max-width: 290px;
  box-shadow: 0 2px 18px #23232307, 0 6px 24px #6ea7d605;
  transition: 
    transform 0.28s cubic-bezier(.26,1.16,.47,.94), 
    box-shadow 0.23s,
    background 0.25s, 
    color 0.25s;
  animation: cardin 1.1s;
  will-change: transform;
  font-family: 'Ubuntu', Arial, sans-serif;
  color: var(--brand-dark);
  position: relative;
  overflow: hidden;
}
.servicio::before {
  content: "";
  position: absolute;
  top: -30px; right: -30px;
  width: 90px; height: 90px;
  background: radial-gradient(circle, #6ea7d630 40%, transparent 70%);
  pointer-events: none;
}
.servicio:hover {
  transform: translateY(-8px) scale(1.05) rotate(-1deg);
  box-shadow: 0 10px 32px #6ea7d955, 0 4px 18px #232c3944;
  background: var(--brand-blue);
  color: var(--brand-white);
}
.servicio h3 {
  margin: 0.5rem 0 0.7rem 0;
  color: var(--brand-blue);
  font-family: 'Ubuntu', Arial, sans-serif;
  font-size: 1.2rem;
  transition: color 0.25s;
  font-weight: 700;
}
.servicio:hover h3 {
  color: var(--brand-white);
}
.icono {
  font-size: 2.3rem;
  margin-bottom: 1rem;
  animation: scalein 0.8s;
}
.servicio p {
  font-size: 1.07rem;
  margin: 0;
  font-family: 'Century Gothic', Arial, sans-serif;
  font-weight: 400;
  color: inherit;
}

.portafolio {
  background: linear-gradient(135deg, var(--brand-dark) 40%, var(--brand-blue) 80%);
  padding: 4rem 2vw 4.2rem 2vw;
  text-align: center;
  box-shadow: 0 4px 32px #26304244;
  animation: fadein 1.2s;
  color: var(--brand-light);
  position: relative;
  background-size: 250% 250%;
  animation-name: portafolioGradient, fadein;
  animation-duration: 22s, 1.2s;
  animation-iteration-count: infinite, 1;
  animation-direction: alternate, normal;
  animation-timing-function: ease-in-out, ease;
}
@keyframes portafolioGradient {
  0% {
    background-position: 0% 60%;
  }
  40% {
    background-position: 80% 40%;
  }
  60% {
    background-position: 20% 60%;
  }
  100% {
    background-position: 100% 0%;
  }
}
.proyectos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}
.proyecto {
  background: var(--brand-card);
  border-radius: 1.2rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  box-shadow: 0 2px 20px #0006;
  max-width: 600px;
  min-width: 320px;
  padding: 2rem;
  gap: 2rem;
  margin-bottom: 1rem;
  transition: transform 0.3s, box-shadow 0.3s;
  font-family: 'Century Gothic', Arial, sans-serif;
  color: var(--brand-white);
  border: 1.5px solid #263042;
  position: relative;
  overflow: hidden;
}
.glassy-card {
  background: linear-gradient(120deg, var(--brand-card) 80%, var(--brand-blue) 100%);
  box-shadow: 0 12px 32px 0 #23232333;
}
.proyecto::before {
  content: "";
  position: absolute;
  bottom: -20px; left: -30px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, #6ea7d645 40%, transparent 70%);
  pointer-events: none;
}
.proyecto:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: 0 6px 36px #6ea7d977;
  border-color: var(--brand-blue);
}
.logo-lucia, .logo-controla {
  width: 110px;
  height: auto;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 4px 16px #6ea7d633;
}
.logo-lucia { animation: luciafade 1.3s; }
.proyecto:hover .logo-lucia,
.proyecto:hover .logo-controla {
  transform: scale(1.12) rotate(-3deg);
}
.logo-controla { animation: controla-fade 1.2s; }
.proyecto-info {
  text-align: left;
  flex: 1;
}
.proyecto-info h3 {
  font-size: 1.26rem;
  margin-bottom: 0.7rem;
  animation: fadeup 1.1s;
  font-family: 'Ubuntu', Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.proyecto-lucia .proyecto-info h3 {
  color: #b2c834;
}
.proyecto-controla .proyecto-info h3 {
  color: var(--brand-blue);
}
.proyecto-info p {
  font-size: 1.08rem;
  margin-bottom: 1.3rem;
  animation: fadeup 1.2s;
  color: var(--brand-grey);
  font-family: 'Century Gothic', Arial, sans-serif;
}
.btn-vermas {
  display: inline-block;
  background: var(--brand-blue);
  color: var(--brand-dark);
  padding: 0.7rem 2.2rem;
  border-radius: 2rem;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.18s;
  box-shadow: 0 2px 8px #6ea7d933;
  animation: scalein 1.1s;
  font-family: 'Ubuntu', Arial, sans-serif;
}
.btn-vermas:hover {
  background: var(--brand-white);
  color: var(--brand-blue);
  transform: scale(1.07);
}

.contacto {
  background: var(--brand-light);
  color: var(--brand-dark);
  padding: 3.5rem 2vw;
  text-align: center;
  position: relative;
}
.contacto h2 {
  color: var(--brand-blue);
  margin-bottom: 2.2rem;
  animation: fadeup 1s;
  font-family: 'Ubuntu', Arial, sans-serif;
}
.contacto-datos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.2rem;
  margin-bottom: 2rem;
  font-size: 1.08rem;
}
.contacto-datos a {
  color: var(--brand-blue);
  text-decoration: underline;
}
.formulario-contacto {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 410px;
  margin: 0 auto;
}
.formulario-contacto input,
.formulario-contacto textarea {
  padding: 0.85rem;
  border: 1.5px solid var(--brand-blue);
  border-radius: 0.55rem;
  font-size: 1.02rem;
  outline: none;
  background: var(--brand-white);
  color: var(--brand-dark);
  transition: border-color 0.18s;
  font-family: 'Century Gothic', Arial, sans-serif;
}
.formulario-contacto input:focus,
.formulario-contacto textarea:focus {
  border-color: var(--brand-dark);
}
.formulario-contacto button {
  background: var(--brand-blue);
  color: var(--brand-dark);
  border: none;
  border-radius: 2rem;
  padding: 0.9rem;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.22s, color 0.19s, transform 0.18s;
  animation: scalein 1.1s;
  font-family: 'Ubuntu', Arial, sans-serif;
}
.formulario-contacto button:hover {
  background: var(--brand-dark);
  color: var(--brand-white);
  transform: scale(1.04);
}

footer {
  background: #18191c;
  color: var(--brand-grey);
  text-align: center;
  padding: 1.2rem 0;
  margin-top: 0;
  font-size: 1rem;
  animation: fadein 1.5s;
  font-family: 'Ubuntu', Arial, sans-serif;
  letter-spacing: 0.03em;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: none;
  border-radius: 50%;
  box-shadow: 0 4px 16px #6ea7d644, 0 1.5px 4px #18191c44;
  transition: transform 0.18s cubic-bezier(.26,1.16,.47,.94), box-shadow 0.18s;
  cursor: pointer;
  animation: whatsapp-pop 1s cubic-bezier(.26,1.16,.47,.94);
}
.whatsapp-float:hover {
  transform: scale(1.13) translateY(-4px);
  box-shadow: 0 10px 28px #6ea7d666, 0 4px 18px #232c3944;
}

@keyframes whatsapp-pop {
  0% { transform: scale(0.6) translateY(20px); opacity: 0;}
  60% { transform: scale(1.13) translateY(-6px);}
  80% { transform: scale(0.97) translateY(2px);}
  100% { transform: scale(1) translateY(0); opacity: 1;}
}

@keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slidein {
  from { opacity: 0; transform: translateY(-30px);}
  to   { opacity: 1; transform: translateY(0);}
}
@keyframes fadeup {
  from { opacity: 0; transform: translateY(40px);}
  to   { opacity: 1; transform: translateY(0);}
}
@keyframes cardin {
  from { opacity: 0; transform: scale(0.93);}
  to   { opacity: 1; transform: scale(1);}
}
@keyframes scalein {
  from { opacity: 0; transform: scale(0.7);}
  to   { opacity: 1; transform: scale(1);}
}
@keyframes luciafade {
  from { opacity: 0; transform: scale(0.7) rotate(-7deg);}
  to   { opacity: 1; transform: scale(1) rotate(0);}
}
@keyframes controla-fade {
  from { opacity: 0; transform: scale(0.7) rotate(7deg);}
  to   { opacity: 1; transform: scale(1) rotate(0);}
}

/* Clases para trigger animaciones */
.animate-fadein { animation: fadein 1s; }
.animate-slidein { animation: slidein 1s; }
.animate-fadeup { animation: fadeup 1.1s; }
.animate-card { animation: cardin 1s; }
.animate-scale { animation: scalein 1.1s; }
.animate-highlight { animation: luciafade 1.2s;}
.proyecto-controla.animate-highlight { animation: controla-fade 1.2s;}
.animate-portfolio { animation: fadein 1.2s;}

/* Transición de sección animada */
.section-transition {
  animation: sectionfade 0.7s cubic-bezier(.26,1.16,.47,.94);
}
@keyframes sectionfade {
  from { opacity: 0; transform: scale(0.97) translateY(35px);}
  to   { opacity: 1; transform: scale(1) translateY(0);}
}

@media (max-width: 900px) {
  .servicio-lista {
    flex-direction: column;
    gap: 1.3rem;
    align-items: center;
  }
  .main-header {
    flex-direction: column;
    gap: 1rem;
  }
  .proyectos {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  .proyecto {
    flex-direction: column;
    max-width: 98vw;
    padding: 1.5rem;
    gap: 1rem;
  }
  .logo-hero { width: 90px; }
}