/* ============================================================
   AppySoft — estilos
   Paleta: oscuro futurista, acento cian → violeta
   ============================================================ */

:root {
  --bg: #07070f;
  --bg-soft: #0d0d1a;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8e8f0;
  --text-dim: #9a9ab0;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --grad: linear-gradient(100deg, var(--cyan), var(--violet));
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

::selection { background: rgba(139, 92, 246, 0.45); }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* La "y" de App·y·Soft: chip redondeado estilo tecla,
   destaca el juego de palabras "App y Soft" */
.y {
  display: inline-block;
  line-height: 0.8;
  vertical-align: -0.12em;
  color: var(--cyan);
  border: 0.04em solid rgba(34, 211, 238, 0.65);
  border-radius: 0.2em;
  padding: 0.02em 0.13em 0.08em;
  margin: 0 0.08em;
  background: rgba(34, 211, 238, 0.08);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.3), inset 0 0 12px rgba(34, 211, 238, 0.12);
}

/* ===== Navegación ===== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: rgba(7, 7, 15, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s, border-color 0.35s, box-shadow 0.35s;
}

/* Al hacer scroll la barra se asienta: más sólida, con borde y sombra */
.nav.is-scrolled {
  background: rgba(7, 7, 15, 0.82);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  transition: filter 0.3s;
}
.nav__logo:hover { filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.5)); }
.nav__logo span:last-child {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-size: 0.92rem;
}

.nav__link {
  position: relative;
  padding: 0.35rem 0.1rem;
  color: var(--text-dim);
  transition: color 0.25s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { transform: scaleX(1); }

/* Sección activa (scrollspy) */
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after { transform: scaleX(1); }

.nav__cta {
  color: var(--text) !important;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.nav__cta:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.25);
}

.nav__lang {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
}
.nav__lang:hover {
  color: var(--text);
  border-color: var(--violet);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

/* Fondo 3D fijo: acompaña toda la página, el contenido se desliza encima */
.hero__canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* El contenido siempre por encima del fondo 3D */
main,
.footer {
  position: relative;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
  animation: hero-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Viñeta oscura detrás del texto para asegurar legibilidad sobre el 3D */
.hero__content::before {
  content: "";
  position: absolute;
  inset: -22% -18%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(7, 7, 15, 0.72), rgba(7, 7, 15, 0.35) 55%, transparent);
  pointer-events: none;
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: none; }
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  padding: 0.4rem 1.1rem;
  margin-bottom: 1.6rem;
  background: rgba(34, 211, 238, 0.06);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 12vw, 7.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  text-shadow: 0 0 60px rgba(139, 92, 246, 0.35);
}

.hero__tagline {
  margin: 1.5rem auto 2.5rem;
  max-width: 36rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: #b9bccf;
  text-shadow: 0 2px 18px rgba(7, 7, 15, 0.9);
}

/* Palabras clave del eslogan */
.hero__tagline .hl {
  font-style: normal;
  font-weight: 600;
  color: var(--text);
}

.hero__tagline .hl-grad {
  position: relative;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Subrayado que se dibuja al cargar */
.hero__tagline .hl-grad::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.12em;
  height: 3px;
  border-radius: 999px;
  background: var(--grad);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.5);
  transform: scaleX(0);
  transform-origin: left;
  animation: draw-line 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1.3s forwards;
}

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

/* En el eslogan la "y" va como acento simple, sin caja (a tamaño
   pequeño el chip se ve recargado) */
.hero__tagline .y {
  display: inline;
  border: none;
  background: none;
  box-shadow: none;
  padding: 0;
  margin: 0;
  line-height: inherit;
  vertical-align: baseline;
  color: var(--cyan);
  font-weight: 600;
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.6);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--grad);
  color: #06060c;
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
}
.btn--primary:hover { box-shadow: 0 12px 40px rgba(34, 211, 238, 0.45); }

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--violet); }

.btn--whatsapp {
  margin-top: 2.2rem;
  background: #25d366;
  color: #06280f;
  font-size: 1.1rem;
  padding: 1rem 2.2rem;
  box-shadow: 0 10px 35px rgba(37, 211, 102, 0.3);
}
.btn--whatsapp:hover { box-shadow: 0 14px 45px rgba(37, 211, 102, 0.45); }
.btn--whatsapp svg { width: 1.35em; height: 1.35em; }

/* ===== Indicador de scroll ===== */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 2px solid var(--text-dim);
  border-radius: 999px;
  opacity: 0.7;
}
.hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--cyan);
  animation: scroll-dot 1.8s ease-in-out infinite;
}
@keyframes scroll-dot {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ===== Secciones ===== */
.section {
  max-width: 1100px;
  margin: 0 auto;
  scroll-margin-top: 80px;
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 5vw, 2.5rem);
  position: relative;
}

/* Separador sutil entre secciones */
main .section + .section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2 * clamp(1.25rem, 5vw, 2.5rem));
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
}

.section__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.9rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.section__lead {
  max-width: 46rem;
  color: var(--text-dim);
  font-size: 1.08rem;
}

/* Animación de aparición al hacer scroll.
   Solo se oculta cuando el JS está activo (html.js), para que el
   contenido siga visible si el script o el CDN fallan. */
.js .reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media print {
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ===== Servicios ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
  margin-top: 2.5rem;
}

.card {
  position: relative;
  padding: 2.1rem 1.7rem;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

/* Línea de acento en el borde superior */
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.55), rgba(139, 92, 246, 0.55), transparent);
  opacity: 0.45;
  transition: opacity 0.3s;
}

/* Resplandor que aparece al pasar el mouse */
.card::after {
  content: "";
  position: absolute;
  top: -55%;
  left: 50%;
  transform: translateX(-50%);
  width: 75%;
  height: 60%;
  background: radial-gradient(closest-side, rgba(34, 211, 238, 0.14), transparent);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 30px rgba(34, 211, 238, 0.08);
}
.card:hover::before { opacity: 1; }
.card:hover::after { opacity: 1; }

.card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 1.3rem;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.22);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.14), inset 0 0 14px rgba(34, 211, 238, 0.08);
  transition: transform 0.3s;
}
.card:hover .card__icon { transform: scale(1.08); }
.card__icon svg { width: 26px; height: 26px; }

.card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.card p { color: var(--text-dim); font-size: 0.96rem; }

/* ===== Portafolio ===== */
.works {
  display: grid;
  /* auto-fill mantiene el ancho de tarjeta aunque haya pocos proyectos */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.4rem;
  margin-top: 2.5rem;
}

.work {
  display: block;
  color: inherit;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 0.9rem 1.4rem;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.work:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 30px rgba(139, 92, 246, 0.1);
}

.work__thumb {
  height: 170px;
  border-radius: calc(var(--radius) - 7px);
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  overflow: hidden;
  position: relative;
}

/* Trama de puntos sobre la miniatura */
.work__thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1.4px);
  background-size: 16px 16px;
  mask-image: linear-gradient(200deg, rgba(0, 0, 0, 0.9), transparent 70%);
  -webkit-mask-image: linear-gradient(200deg, rgba(0, 0, 0, 0.9), transparent 70%);
}

/* Destello de luz en la esquina */
.work__thumb::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -15%;
  width: 65%;
  height: 80%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.22), transparent);
}

.work__thumb span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.42rem 1.05rem;
  border-radius: 999px;
  background: rgba(7, 7, 15, 0.25);
  backdrop-filter: blur(4px);
  transition: transform 0.3s, border-color 0.3s;
}
.work:hover .work__thumb span {
  transform: scale(1.06);
  border-color: rgba(255, 255, 255, 0.55);
}

.work__thumb--a { background: linear-gradient(135deg, #164e63, #4c1d95 70%, #6d28d9); }
.work__thumb--b { background: linear-gradient(135deg, #4c1d95, #831843 75%, #be185d); }
.work__thumb--c { background: linear-gradient(135deg, #1e3a8a, #155e75 70%, #0e7490); }

/* Miniatura con captura real del proyecto */
.work__thumb--img::before,
.work__thumb--img::after { display: none; }
.work__thumb--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.work:hover .work__thumb--img img { transform: scale(1.04); }

.work h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0.35rem 0.25rem;
}
.work p {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0 0.35rem;
}

.work__cta {
  display: inline-block;
  margin: 0.8rem 0.35rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--cyan);
  transition: transform 0.3s;
}
.work:hover .work__cta { transform: translateX(4px); }

/* ===== Contacto ===== */
.section--contact {
  text-align: center;
  padding-bottom: clamp(6rem, 14vh, 9rem);
}
.section--contact .section__lead { margin: 0 auto; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.footer span { color: #f472b6; }

/* ===== Solo para lectores de pantalla y buscadores ===== */
.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;
}

/* ===== Cómo trabajo ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
  margin-top: 2.5rem;
}

.step {
  position: relative;
  padding: 1.8rem 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  transition: transform 0.3s, border-color 0.3s;
}
.step:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
}

.step__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: 1rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
}
.step p { color: var(--text-dim); font-size: 0.95rem; }

/* ===== Menú móvil (hamburguesa) ===== */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}
.nav__toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .nav-js .nav__toggle { display: inline-flex; }

  /* Los enlaces pasan a un panel desplegable bajo la barra */
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 0.6rem clamp(1.25rem, 4vw, 3rem) 1.2rem;
    background: rgba(7, 7, 15, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
  }
  /* Oculto solo cuando nav.js cargó (clase nav-js); sin JS los enlaces siempre se ven */
  .nav-js .nav__links {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
  }
  .nav-js .nav.is-open .nav__links {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav__link {
    display: block;
    padding: 0.75rem 0.25rem;
    font-size: 1.05rem;
  }
  .nav__link::after { display: none; }
  .nav__cta {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
    padding: 0.7rem 1rem;
  }
  .nav__lang { margin-top: 0.6rem; }
}

/* ===== Accesibilidad: menos movimiento ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__content { animation: none; }
  .hero__tagline .hl-grad::after { animation: none; transform: scaleX(1); }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll span { animation: none; }
}