.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

#bg-grid-canvas {
  z-index: -3;
}

#bg-particles-canvas {
  z-index: -2;
}

/* Red neuronal Codrops: DEBAJO de main (z-index 5), ENCIMA del vignette (oscurece bordes) */
#bg-neural-canvas {
  z-index: 4;
  will-change: transform;
}

#bg-neural-canvas.bg-neural-canvas--disabled {
  visibility: hidden;
}

/* Promueve el bloque del hero a su propia capa GPU para abaratar composiciones
   (equivalente al .large-header del demo Codrops). */
.hero {
  will-change: transform;
}

.bg-nebula {
  z-index: -1;
  filter: blur(120px);
  border-radius: 50%;
  opacity: 1;
  will-change: transform, opacity;
}

.bg-nebula--1 {
  width: 600px;
  height: 600px;
  left: -140px;
  top: -170px;
  background: rgba(15, 255, 212, 0.04);
}

.bg-nebula--2 {
  width: 800px;
  height: 800px;
  right: -220px;
  top: 10%;
  background: rgba(123, 97, 255, 0.05);
}

.bg-nebula--3 {
  width: 500px;
  height: 500px;
  left: -100px;
  bottom: -120px;
  background: rgba(10, 79, 255, 0.03);
}

.bg-scanlines {
  z-index: 100;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.03) 0px,
    rgba(0, 0, 0, 0.03) 2px,
    transparent 2px,
    transparent 4px
  );
  mix-blend-mode: soft-light;
}

.bg-vignette {
  z-index: 3;
  background:
    radial-gradient(
      circle at center,
      rgba(0, 0, 0, 0) 48%,
      rgba(0, 0, 0, calc(0.6 + var(--vignette-boost))) 100%
    ),
    linear-gradient(
      180deg,
      rgba(0, 0, 0, calc(0.12 + var(--vignette-boost))) 0%,
      transparent 22%,
      transparent 78%,
      rgba(0, 0, 0, calc(0.12 + var(--vignette-boost))) 100%
    );
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 130;
  pointer-events: none;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent-primary), rgba(15, 255, 212, 0.5));
  box-shadow: 0 0 12px rgba(15, 255, 212, 0.4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: 0 0 24px rgba(15, 255, 212, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 0 36px rgba(15, 255, 212, 0.4);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn--secondary:hover {
  background: rgba(15, 255, 212, 0.08);
  transform: translateY(-1px);
}

.tech-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: clamp(4.75rem, 12vw, 6rem);
  height: clamp(4.75rem, 12vw, 6rem);
  padding: 0.65rem 0.5rem;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.22);
  flex-shrink: 0;
  position: relative;
  transform-origin: center center;
}

.tech-badge__icon {
  width: 1.65rem;
  height: 1.65rem;
  flex-shrink: 0;
}

.tech-badge__icon svg,
.tech-badge__icon img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.tech-badge__icon img {
  filter: grayscale(1) brightness(1.12) contrast(0.92);
  opacity: 0.78;
  transition:
    filter 0.4s var(--ease-out),
    opacity 0.4s var(--ease-out),
    transform 0.4s var(--ease-out);
}

.tech-badge:hover .tech-badge__icon img {
  opacity: 1;
  transform: scale(1.14);
}

.tech-badge--frontend:hover .tech-badge__icon img {
  filter: grayscale(0) brightness(1) drop-shadow(0 0 10px rgba(97, 218, 251, 0.65));
}

.tech-badge--backend:hover .tech-badge__icon img {
  filter: grayscale(0) brightness(1) drop-shadow(0 0 10px rgba(50, 108, 229, 0.55));
}

.tech-badge--ai:hover .tech-badge__icon img {
  filter: grayscale(0) brightness(1) drop-shadow(0 0 10px rgba(65, 41, 145, 0.6));
}

.tech-badge__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(0.62rem, 1.6vw, 0.72rem);
  letter-spacing: -0.01em;
  white-space: nowrap;
  text-align: center;
  line-height: 1.1;
  color: rgba(255, 255, 255, 0.88);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tech-badge--frontend {
  border-color: rgba(15, 255, 212, 0.22);
}

.tech-badge--frontend .tech-badge__name {
  color: var(--accent-primary);
}

.tech-badge--backend {
  border-color: rgba(123, 97, 255, 0.28);
}

.tech-badge--backend .tech-badge__name {
  color: var(--accent-secondary);
}

.tech-badge--ai {
  border-color: rgba(15, 255, 212, 0.15);
  background: rgba(26, 34, 53, 0.6);
}

.tech-badge--ai .tech-badge__name {
  background: linear-gradient(
    105deg,
    var(--accent-primary) 0%,
    var(--accent-secondary) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.proceso-step {
  flex: 1;
  min-width: 0;
  text-align: left;
  max-width: 32rem;
}

.proceso-step__top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.proceso-step__dot {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 2px solid rgba(15, 255, 212, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 34, 53, 0.65);
  transition: border-color 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out),
    background 0.45s var(--ease-out);
}

.proceso-step__num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: color 0.45s var(--ease-out);
}

.proceso-step--lit .proceso-step__dot {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(15, 255, 212, 0.35);
  background: rgba(15, 255, 212, 0.08);
}

.proceso-step--lit .proceso-step__num {
  color: var(--accent-primary);
}

.proceso-step__icon {
  width: 2rem;
  height: 2rem;
  color: var(--text-secondary);
  transition: color 0.45s var(--ease-out);
}

.proceso-step--lit .proceso-step__icon {
  color: var(--accent-primary);
}

.proceso-step__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.proceso-step__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.proceso-step__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.why__quote-shell {
  position: relative;
  border-radius: 1.2rem;
  padding: 2px;
  overflow: hidden;
  background: rgba(26, 34, 53, 0.4);
}

.why__quote-shell::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 160%;
  height: 160%;
  background: conic-gradient(
    from 0deg,
    var(--accent-primary),
    var(--accent-secondary),
    rgba(15, 255, 212, 0.35),
    var(--accent-secondary),
    var(--accent-primary)
  );
  animation: whyBorderGlow 12s linear infinite;
  transform: translate(-50%, -50%);
}

.why__quote-inner {
  position: relative;
  z-index: 1;
  border-radius: calc(1.2rem - 2px);
  padding: clamp(1.5rem, 4vw, 2rem);
  background: rgba(26, 34, 53, 0.82);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border: 1px solid rgba(15, 255, 212, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.why__quote-mark {
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 0.5;
  background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  opacity: 0.65;
  display: block;
  margin-bottom: 0.5rem;
}

.why__quote-text {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.55;
  font-style: italic;
}

.testimonial-card {
  --reveal-delay: 0ms;
  flex: 0 0 min(22rem, calc(100vw - 3rem));
  scroll-snap-align: start;
  opacity: 0;
  transform: rotateX(8deg) translateY(6px);
  transform-origin: center top;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  padding: 1.5rem 1.35rem;
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
  background: rgba(26, 34, 53, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: opacity 0.7s var(--ease-out) var(--reveal-delay), transform 0.7s var(--ease-out) var(--reveal-delay),
    border-color 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card--visible {
  opacity: 1;
  transform: rotateX(0deg) translateY(0);
}

/* Reset instantáneo cuando la card deja el viewport (sections.js): evita
 * un flip-back visible. El rootMargin -80px asegura fuera de cámara. */
.testimonial-card:not(.testimonial-card--visible) {
  transition: none !important;
}

.testimonial-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testimonial-card__avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--avatar-grad);
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.testimonial-card__meta {
  min-width: 0;
}

.testimonial-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

.testimonial-card__stars {
  display: flex;
  gap: 0.2rem;
  margin-bottom: 0.85rem;
  color: var(--accent-primary);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.testimonial-card__body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Visor circular: invierte los colores del contenido debajo del cursor. */
.custom-cursor {
  --cursor-x: 0px;
  --cursor-y: 0px;
  position: fixed;
  top: 0;
  left: 0;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  overflow: hidden;
  pointer-events: none;
  z-index: 220;
  opacity: 0;
  transform: translate(var(--cursor-x), var(--cursor-y)) translate(-50%, -50%);
  transition: opacity 250ms ease;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: invert(1);
  -webkit-backdrop-filter: invert(1);
  will-change: transform, opacity;
}

.custom-cursor--visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .custom-cursor {
    display: none !important;
  }
}

.contact__inner {
  position: relative;
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

.contact__logo-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

.contact__logo-watermark img {
  width: min(92vw, 36rem);
  height: auto;
  max-height: min(70vh, 34rem);
  object-fit: contain;
  opacity: 0.1;
  filter: saturate(1.1);
}

.contact__inner > :not(.contact__logo-watermark) {
  position: relative;
  z-index: 1;
}

.contact__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.contact__subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: 2rem;
}

.contact__form-wrap {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border-radius: 0.75rem;
  padding: clamp(1.1rem, 3vw, 1.5rem);
}

.contact__grid {
  display: grid;
  gap: 1.05rem;
}

/* Cada field actúa como contenedor de la etiqueta flotante (Material style). */
.contact__field {
  position: relative;
  display: block;
}

/* Etiqueta flotante: dentro del campo en reposo, sube y reduce a scale(0.85) en focus / con valor. */
.contact__label {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%) scale(1);
  transform-origin: left center;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: #7081a6;
  background: transparent;
  padding: 0 0.4rem;
  pointer-events: none;
  white-space: nowrap;
  z-index: 2;
  transition:
    transform 200ms ease-out,
    color 200ms ease-out,
    background-color 200ms ease-out,
    font-weight 200ms ease-out;
}

/* Variante textarea: la etiqueta se ancla cerca del top porque el campo es alto. */
.contact__field--textarea .contact__label {
  top: 1.05rem;
  transform: translateY(0) scale(1);
}

.contact__control {
  position: relative;
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: #1A2235;
  border: 1px solid #2A3450;
  border-radius: 0.55rem;
  /* Padding-top mayor para reservar el espacio donde aterriza la etiqueta flotada. */
  padding: 1.15rem 0.95rem 0.55rem;
  outline: none;
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    background-color 200ms ease;
  z-index: 1;
}

.contact__field--textarea .contact__control {
  padding-top: 1.45rem;
  padding-bottom: 0.85rem;
  resize: vertical;
  min-height: 7rem;
}

/* Glow + borde simulado de 2px en focus (con inset shadow para no provocar layout shift). */
.contact__control:focus {
  border-color: var(--accent-primary);
  box-shadow:
    inset 0 0 0 1px var(--accent-primary),
    0 0 0 3px rgba(0, 200, 255, 0.15);
}

.contact__control::placeholder {
  color: transparent;
}

/* Estado flotado para input y textarea: focus o con valor. */
input.contact__control:focus ~ .contact__label,
input.contact__control:not(:placeholder-shown) ~ .contact__label,
textarea.contact__control:focus ~ .contact__label,
textarea.contact__control:not(:placeholder-shown) ~ .contact__label {
  transform: translateY(calc(-50% - 1.45rem)) scale(0.85);
  color: var(--accent-primary);
  font-weight: 600;
  background: #0d1220;
}

/* Variante textarea: la etiqueta sube desde top:1.05rem hasta encima del campo. */
.contact__field--textarea textarea.contact__control:focus ~ .contact__label,
.contact__field--textarea textarea.contact__control:not(:placeholder-shown) ~ .contact__label {
  transform: translateY(-1.5rem) scale(0.85);
}

/* Select: :placeholder-shown no aplica. Usamos focus + :valid (la primera option vacía + required hace que el select esté :invalid hasta que se elija algo). */
.contact__field--select select.contact__control:focus ~ .contact__label,
.contact__field--select select.contact__control:valid ~ .contact__label {
  transform: translateY(calc(-50% - 1.45rem)) scale(0.85);
  color: var(--accent-primary);
  font-weight: 600;
  background: #0d1220;
}

/* Indicador visual del select (chevron) sin romper el padding del label. */
.contact__field--select select.contact__control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(-45deg, transparent 50%, currentColor 50%);
  background-position:
    calc(100% - 1.1rem) 1.45rem,
    calc(100% - 0.7rem) 1.45rem;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  color: var(--text-primary);
  padding-right: 2rem;
}

@media (prefers-reduced-motion: reduce) {
  .contact__label,
  .contact__control {
    transition: none !important;
  }
}

.contact__actions {
  margin-top: 0.35rem;
  display: flex;
  justify-content: center;
}

.contact__submit {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(15, 255, 212, 0.45);
  background: linear-gradient(90deg, rgba(15, 255, 212, 0.2), rgba(123, 97, 255, 0.22));
  color: var(--text-primary);
  padding: 0.85rem 1.6rem;
  border-radius: 0.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s var(--ease-out), box-shadow 0.25s ease;
  isolation: isolate;
}

.contact__submit::before {
  content: "";
  position: absolute;
  top: 0;
  left: -140%;
  width: 60%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transition: left 0.55s ease;
  z-index: 1;
}

.contact__submit:hover::before {
  left: 130%;
}

.contact__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(123, 97, 255, 0.22);
}

.contact__submit-label {
  position: relative;
  z-index: 2;
}

/* Ripple inyectado por JS: arranca en el punto de click y se expande hacia fuera. */
.contact__ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.55);
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%) scale(0);
  opacity: 1;
  z-index: 1;
  animation: contactRippleAnim 500ms ease-out forwards;
  mix-blend-mode: screen;
}

@keyframes contactRippleAnim {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(8);
    opacity: 0;
  }
}

/* Mensaje de éxito: entra desde abajo con opacidad + checkmark dibujándose. */
.contact__success {
  margin-top: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  text-align: center;
  color: var(--accent-primary);
  font-weight: 600;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition:
    opacity 0.45s ease,
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.contact__success--visible {
  opacity: 1;
  transform: translateY(0);
}

.contact__success-check {
  width: 1.8rem;
  height: 1.8rem;
  flex-shrink: 0;
}

.contact__success-check-circle,
.contact__success-check-mark {
  stroke: var(--accent-primary);
  fill: none;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  filter: drop-shadow(0 0 6px rgba(15, 255, 212, 0.45));
}

.contact__success-check-circle {
  transition: stroke-dashoffset 0.6s 0.05s ease-out;
}

.contact__success-check-mark {
  transition: stroke-dashoffset 0.45s 0.5s ease-out;
}

.contact__success--visible .contact__success-check-circle {
  stroke-dashoffset: 0;
}

.contact__success--visible .contact__success-check-mark {
  stroke-dashoffset: 0;
}

/* Cuando el envío fue exitoso, el form-wrap hace un “press” sutil para reforzar la transición. */
.contact__form-wrap {
  transition: transform 0.45s var(--ease-out);
}

.contact__form-wrap.is-success {
  transform: scale(0.98);
}

@media (prefers-reduced-motion: reduce) {
  .contact__ripple {
    display: none !important;
  }
  .contact__success,
  .contact__success-check-circle,
  .contact__success-check-mark,
  .contact__form-wrap {
    transition: none !important;
  }
  .contact__form-wrap.is-success {
    transform: none;
  }
}

.contact__error {
  margin-top: 0.95rem;
  text-align: center;
  color: #ff8a8a;
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.contact__error--visible {
  opacity: 1;
  transform: translateY(0);
}

.contact__error-msg {
  font-size: 0.78rem;
  color: #ff8a8a;
  line-height: 1.35;
  margin-top: 0.1rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.2s ease, max-height 0.25s ease;
}

.contact__error-msg--visible {
  opacity: 1;
  max-height: 3rem;
}

.contact__control[aria-invalid="true"] {
  border-color: rgba(255, 138, 138, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 138, 138, 0.12);
}

.contact__submit:disabled,
.contact__submit[aria-busy="true"] {
  cursor: progress;
  opacity: 0.7;
  transform: none;
  box-shadow: none;
}

.contact__submit:disabled::before,
.contact__submit[aria-busy="true"]::before {
  display: none;
}

.contact__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* ——— Progreso de carga del modelo 3D (logo.glb) ——— */
.glb-progress {
  position: absolute;
  left: 50%;
  bottom: 14%;
  transform: translateX(-50%);
  width: min(62%, 240px);
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.glb-progress--visible {
  opacity: 1;
}

.glb-progress__track {
  position: relative;
  height: 2px;
  background: rgba(15, 255, 212, 0.14);
  border-radius: 999px;
  overflow: hidden;
}

.glb-progress__bar {
  position: absolute;
  inset: 0;
  width: var(--glb-progress, 0%);
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 12px rgba(15, 255, 212, 0.45);
  transition: width 0.18s ease;
}

.glb-progress__label {
  display: block;
  margin-top: 0.4rem;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--accent-primary);
  text-transform: uppercase;
  opacity: 0.9;
}

@media (prefers-reduced-motion: reduce) {
  .glb-progress,
  .glb-progress__bar {
    transition: none;
  }
}

.contact__info {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem 1.25rem;
}

.contact__info a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.25s ease;
}

.contact__info a:hover {
  color: var(--accent-primary);
}

.contact__info svg {
  width: 1rem;
  height: 1rem;
  display: block;
}

.footer__brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.45rem;
  color: var(--text-primary);
}

.footer__brand-title span {
  color: var(--accent-primary);
}

.footer__tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 20rem;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.footer__list {
  display: grid;
  gap: 0.45rem;
}

.footer__list a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer__list a:hover {
  color: var(--accent-primary);
}

/* ——— WhatsApp flotante ——— */
.whatsapp-float {
  position: fixed;
  right: clamp(1rem, 3.5vw, 1.85rem);
  bottom: max(1.15rem, env(safe-area-inset-bottom, 0px));
  z-index: 160;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  background: linear-gradient(145deg, #25d366 0%, #128c7e 100%);
  color: #fff;
  box-shadow:
    0 6px 20px rgba(0, 0, 0, 0.38),
    0 0 0 0 rgba(37, 211, 102, 0.4);
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s ease;
}

.whatsapp-float:hover {
  transform: scale(1.07);
  box-shadow:
    0 8px 26px rgba(0, 0, 0, 0.42),
    0 0 0 6px rgba(37, 211, 102, 0.12);
}

.whatsapp-float:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

.whatsapp-float__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.55);
  pointer-events: none;
  z-index: 0;
  animation: whatsappFloatPulse 2.25s ease-out infinite;
}

.whatsapp-float__icon {
  position: relative;
  z-index: 1;
  width: 1.9rem;
  height: 1.9rem;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float__pulse {
    animation: none;
  }
}

@keyframes whatsappFloatPulse {
  0% {
    transform: scale(1);
    opacity: 0.85;
  }
  70% {
    transform: scale(1.38);
    opacity: 0;
  }
  100% {
    transform: scale(1.38);
    opacity: 0;
  }
}

/* ——— Música de fondo (toggle) — visual tipo Skiper25 / waveform ——— */
.site-music-audio {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.music-toggle {
  --music-toggle-pad-y: 14px;
  --music-toggle-pad-x: 14px;
  position: fixed;
  right: clamp(1rem, 3.5vw, 1.85rem);
  left: auto;
  bottom: calc(max(1.15rem, env(safe-area-inset-bottom, 0px)) + 3.4rem + 0.8rem);
  z-index: 161;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--music-toggle-pad-y) var(--music-toggle-pad-x);
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(2, 3, 4, 0.94);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  transition:
    padding 0.55s cubic-bezier(0.34, 1.45, 0.64, 1),
    border-color 0.25s ease,
    box-shadow 0.35s ease;
}

.music-toggle:hover,
.music-toggle:active {
  --music-toggle-pad-y: 18px;
  --music-toggle-pad-x: 22px;
}

.music-toggle:focus-visible {
  outline: 2px solid rgba(238, 241, 247, 0.35);
  outline-offset: 3px;
}

.music-toggle--playing {
  border-color: rgba(255, 255, 255, 0.1);
}

.music-toggle--error {
  border-color: rgba(255, 120, 120, 0.45);
}

.music-toggle__inner {
  display: flex;
  height: 18px;
  width: auto;
  min-width: 21px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 9999px;
  animation: musicToggleInnerIn 0.55s cubic-bezier(0.34, 1.45, 0.64, 1) both;
}

.music-toggle__bar {
  width: 1px;
  min-height: 4px;
  height: 4px;
  border-radius: 9999px;
  background: var(--text-primary);
  align-self: center;
  transition: height 0.14s cubic-bezier(0.22, 1.2, 0.36, 1);
  transform-origin: center center;
}

@media (prefers-reduced-motion: reduce) {
  .music-toggle {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .music-toggle:hover,
  .music-toggle:active {
    --music-toggle-pad-y: 14px;
    --music-toggle-pad-x: 14px;
  }

  .music-toggle__inner {
    animation: none;
  }

  .music-toggle__bar {
    transition: height 0.35s ease;
  }
}

@keyframes musicToggleInnerIn {
  from {
    opacity: 0;
    filter: blur(4px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

/* ---------------------------------------------------------------------------
 * Section entrance animations (driven by IntersectionObserver in sections.js)
 * --------------------------------------------------------------------------- */

/* #tecnologias — grid de logos en cuadros (estilo referencia partners) */

/* #proceso — línea “typewriter” por paso, dibujada de arriba hacia abajo. */
.proceso-step {
  position: relative;
}

.proceso-step::before {
  content: "";
  position: absolute;
  left: -0.5rem;
  top: 0.25rem;
  width: 2px;
  height: calc(100% - 0.5rem);
  background: linear-gradient(
    180deg,
    rgba(15, 255, 212, 0.95) 0%,
    rgba(15, 255, 212, 0.45) 60%,
    rgba(123, 97, 255, 0) 100%
  );
  border-radius: 2px;
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
  pointer-events: none;
  opacity: 0.92;
  box-shadow: 0 0 8px rgba(15, 255, 212, 0.35);
  z-index: 0;
}

.proceso-step--inview::before {
  transform: scaleY(1);
}

/* Reset instantáneo cuando el step deja el viewport (sections.js): evita
 * un scaleY-out visible de la línea typewriter al salir. */
.proceso-step:not(.proceso-step--inview)::before {
  transition: none !important;
}

@media (min-width: 900px) {
  .proceso-step::before {
    left: 0.25rem;
  }
}

/* prefers-reduced-motion: dejar el resultado final sin animar. Mantenemos
   las transformaciones de layout (fan-stage) para no romper el diseño. */
@media (prefers-reduced-motion: reduce) {
  .tech-tile__logo,
  .tech-badge {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .proceso-step::before {
    transform: scaleY(1);
    transition: none;
  }
  .testimonial-card {
    opacity: 1;
    transform: rotateX(0deg);
    transition: none;
  }
  .project-card {
    transition: none !important;
  }
}

/* ---------------------------------------------------------------------------
 * Navbar enhancements (scroll-triggered glass + active indicator + hover
 * underline). Las reglas base de .nav / .nav--scrolled / .nav__links viven
 * en layout.css; aquí sólo añadimos los efectos y pseudo-elementos.
 * --------------------------------------------------------------------------- */

/* Indicador deslizante que sigue al link activo. JS (scroll.js) actualiza sus
   estilos inline `left` y `width` al cambiar la sección activa. */
.nav-indicator {
  position: absolute;
  left: 0;
  bottom: 0.22rem;
  height: 2px;
  width: 0;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 10px rgba(15, 255, 212, 0.6);
  pointer-events: none;
  opacity: 0;
  transform: translateZ(0);
  transition:
    left 300ms cubic-bezier(0.34, 1.56, 0.64, 1),
    width 300ms ease,
    opacity 200ms ease;
}

.nav-indicator--active {
  opacity: 1;
}

/* Underline expandiéndose desde el centro al hacer hover sobre cada link. */
.nav__links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.18rem;
  width: calc(100% - 1.6rem);
  height: 1.5px;
  background: var(--accent-primary);
  border-radius: 1px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 200ms ease;
  pointer-events: none;
  opacity: 0.95;
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  transform: translateX(-50%) scaleX(1);
}

/* En el link activo el indicator deslizante ya marca la posición — evitamos
   duplicar la línea bajo el texto. */
.nav__links a.nav__link--active::after {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .nav,
  .nav-indicator,
  .nav__links a::after {
    transition: none !important;
  }
}