@media (max-width: 768px) {
  #bg-grid-canvas,
  #bg-particles-canvas,
  .bg-scanlines {
    display: none;
  }

  .bg-nebula {
    filter: blur(72px);
  }

  .bg-nebula--1 {
    width: 300px;
    height: 300px;
    left: -90px;
    top: -120px;
  }

  .bg-nebula--2 {
    width: 380px;
    height: 380px;
    right: -130px;
  }

  .bg-nebula--3 {
    width: 260px;
    height: 260px;
    left: -70px;
    bottom: -80px;
  }

  .hero__gradient {
    background: radial-gradient(
      ellipse 42% 38% at 50% 52%,
      rgba(123, 97, 255, 0.08) 0%,
      transparent 55%
    );
  }
}

@media (pointer: fine) {
  body,
  a,
  button,
  input,
  select,
  textarea,
  label,
  .projects__row,
  .nav__lang-toggle,
  .nav__lang-option,
  .hero__canvas-wrap canvas,
  .hero__brain-canvas {
    cursor: none;
  }
}

@media (max-width: 980px) {
  :root {
    --nav-height: calc(4.25rem + 0.25cm - 0.5rem);
    --nav-mobile-toggle-w: 4.35rem;
  }

  .nav {
    grid-template-columns: var(--nav-mobile-toggle-w) 1fr auto;
    grid-template-rows: 1fr;
    align-items: stretch;
    padding: 0;
    gap: 0;
    background: #000000;
    border-bottom: none;
    border-radius: 0.35rem 0.35rem 0 0;
    overflow: hidden;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
  }

  .nav.nav--open {
    z-index: 250;
  }

  .nav--scrolled {
    background: #000000;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    box-shadow: none;
  }

  .nav__brand {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    align-self: stretch;
    align-items: stretch;
    justify-self: start;
    min-width: 0;
    padding: 0;
    background: transparent;
  }

  .nav__brand-panel {
    --nav-brand-mark: clamp(1.55rem, 7.8vw, 2rem);
    padding: 0 0.5rem;
  }

  .nav__toggle {
    display: flex;
    grid-column: 1;
    grid-row: 1;
    justify-self: stretch;
    align-self: stretch;
    width: 100%;
    min-width: var(--nav-mobile-toggle-w);
    height: 100%;
    min-height: var(--nav-height);
    border: none;
    border-radius: 0;
    background: var(--nav-mobile-menu-bg);
    color: #121212;
  }

  .nav__toggle:hover {
    background: #f0f0f0;
    border-color: transparent;
  }

  .nav__toggle-line:nth-child(3) {
    display: none;
  }

  .nav--open .nav__toggle-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }

  .nav--open .nav__toggle-line:nth-child(2) {
    opacity: 1;
    transform: translateY(-4px) rotate(-45deg);
  }

  .nav--open .nav__toggle-line:nth-child(3) {
    transform: none;
  }

  .nav__actions {
    display: flex;
    grid-column: 3;
    grid-row: 1;
    align-self: stretch;
    align-items: stretch;
    gap: 0;
    background: var(--nav-mobile-contact-bg);
  }

  .nav__actions .nav__lang {
    display: flex;
    align-items: center;
    padding: 0 0.35rem 0 0.65rem;
    background: rgba(0, 0, 0, 0.18);
  }

  .nav__actions .nav__lang-toggle {
    gap: 0.35rem;
    padding: 0.38rem 0.55rem 0.38rem 0.38rem;
    border-radius: 999px;
    background: #2f2f2f;
  }

  .nav__actions .nav__lang-flag {
    width: 1.5rem;
    height: 1.5rem;
  }

  .nav__actions .nav__lang-chevron {
    width: 1.25rem;
    height: 1.25rem;
  }

  .nav__actions .nav__lang-panel {
    right: 0.35rem;
  }

  .nav:has(.nav__lang.is-open) {
    overflow: visible;
    z-index: 260;
  }

  .nav__actions .nav__lang.is-open {
    z-index: 261;
  }

  .nav__actions .nav__lang.is-open .nav__lang-panel {
    position: fixed;
    top: calc(var(--nav-height) + 0.35rem);
    right: max(0.5rem, env(safe-area-inset-right, 0px));
    left: auto;
    z-index: 270;
    width: min(18.5rem, calc(100vw - 1rem));
  }

  .nav__actions .nav__contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    height: 100%;
    min-height: var(--nav-height);
    padding: 0 1.15rem;
    border: none;
    border-radius: 0;
    background: transparent;
    font-size: 0.92rem;
    font-weight: 500;
    white-space: nowrap;
  }

  .nav__actions .nav__contact:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: transparent;
    transform: none;
  }

  .nav__links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    z-index: 240;
    justify-self: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--nav-height) + 1.25rem) 1.75rem max(2rem, env(safe-area-inset-bottom));
    background: rgba(0, 0, 0, 0.96);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow-x: hidden;
    overflow-y: auto;
    white-space: normal;
    transition:
      transform 0.38s var(--ease-out),
      opacity 0.28s ease,
      visibility 0.38s ease;
  }

  .nav__links.nav__links--open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__links a {
    width: 100%;
    padding: 0.9rem 0;
    font-size: clamp(1.35rem, 5.5vw, 1.75rem);
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav__links a::after {
    display: none;
  }

  .nav__links a:hover,
  .nav__links a.nav__link--active {
    color: #ffffff;
  }

  .nav__links a.nav__link--active {
    color: #ffffff;
  }

  .nav-indicator {
    display: none;
  }

  .nav__contact--menu {
    display: inline-flex;
    margin-top: 1.25rem;
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: normal;
    border-bottom: none;
    border-radius: 0.4rem;
  }

  body.nav-menu-open {
    overflow: hidden;
  }
}

@media (max-width: 768px) {
  .hero {
    --hero-brand-left: clamp(0.15rem, 0.6vw, 0.45rem);
    --hero-brand-bottom: clamp(0.15rem, 0.6vh, 0.3rem);
    --hero-title-size: clamp(3.5rem, 16.5vw, 6.35rem);
  }

  .hero__brand {
    top: auto;
    bottom: calc(var(--hero-brand-bottom) + env(safe-area-inset-bottom, 0px));
  }

  .hero-intro {
    margin-top: 4cm;
    min-height: clamp(13rem, 40vh, 20rem);
    padding-bottom: clamp(2rem, 6vh, 3.25rem);
    padding-left: max(0.15rem, env(safe-area-inset-left, 0px));
  }

  .hero-intro__inner {
    padding-left: var(--hero-brand-left);
  }

  .hero-intro__text {
    width: 100%;
    max-width: 100%;
    font-size: clamp(1.95rem, 8.5vw, 3.15rem);
    line-height: 1.26;
  }

  .hero-intro .tech-metrics {
    width: 100%;
    max-width: 100%;
    margin-top: clamp(5rem, 18vh, 9rem);
    gap: 1.25rem;
  }

  .hero-intro .tech-metric__value {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .hero__canvas-wrap {
    left: 50%;
    right: auto;
    top: var(--brain-scroll-y, 56vh);
    width: min(580px, 97vw);
    height: min(580px, 97vw);
    transform: translate(-50%, -50%);
    opacity: 1;
    mask-image: radial-gradient(
      ellipse 72% 68% at 50% 50%,
      #000 38%,
      transparent 78%
    );
    -webkit-mask-image: radial-gradient(
      ellipse 72% 68% at 50% 50%,
      #000 38%,
      transparent 78%
    );
  }
  .hero__keyword {
    font-size: clamp(0.95rem, 4.2vw, 1.25rem);
    color: #ffffff;
  }

  .hero__keywords {
    padding-left: clamp(0.75rem, 3vw, 1rem);
    padding-right: clamp(0.75rem, 3vw, 1rem);
    overflow: visible;
  }

  .hero__keyword--digital {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    transform: none;
    justify-self: end;
    align-self: center;
  }
  .hero__scroll {
    right: clamp(1rem, 4vw, 1.5rem);
    bottom: clamp(1rem, 3vh, 1.75rem);
  }
  .hero__content {
    margin-top: clamp(1rem, 3vh, 2rem);
  }
  .hero__ctas {
    width: 100%;
    flex-direction: column;
    align-items: center;
  }
  .hero__ctas .btn {
    width: min(100%, 21rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .tech-row__track {
    transform: none !important;
  }

  .hero-intro__text {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .tech-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .tech-metrics {
    grid-template-columns: 1fr;
  }
}

/* Fan deck en prefers-reduced-motion: cards visibles, sin transitions ni
 * abanico (todas en posición center, apiladas). Lo mínimo para no animar. */
@media (max-width: 767px) {
  .projects {
    padding-top: 1.25rem;
    padding-bottom: 2rem;
    --projects-thumb-size: clamp(4.25rem, 22vw, 5.5rem);
  }

  .projects__heading-wrap {
    margin-bottom: 1rem;
    text-align: left;
    padding: 0 1.15rem;
  }

  .projects__title {
    font-size: clamp(1.65rem, 7vw, 2rem);
    text-align: left;
  }

  .projects__row-inner {
    padding: 1.15rem;
  }

  .projects__row-title {
    font-size: clamp(0.78rem, 3.4vw, 0.95rem);
    line-height: 1.4;
  }

  .projects__row-arrow {
    font-size: 1.1rem;
  }

  .proceso__title {
    font-size: clamp(1.65rem, 7vw, 2rem);
  }
}

@media (max-width: 768px) {
  .proceso {
    --proceso-mobile-track-offset: 1.75rem;
    height: calc(var(--proceso-steps) * 90vh);
  }

  .proceso__pin {
    height: 90vh;
  }

  .proceso__slider {
    padding-inline: 1.15rem;
    gap: 1.15rem;
  }

  .proceso__stage {
    min-height: clamp(20rem, 46vh, 28rem);
  }

  .proceso__steps-track {
    gap: 1.25rem;
  }

  .proceso-step-item {
    flex: 0 0 clamp(19rem, 82vw, 24rem);
    width: clamp(19rem, 82vw, 24rem);
  }

  .proceso-step-item__num {
    font-size: clamp(2.5rem, 12vw, 3.5rem);
  }

  .proceso-step-item__title {
    font-size: clamp(1.55rem, 7.5vw, 2rem);
  }

  .proceso-step-item__desc {
    font-size: clamp(0.98rem, 3.8vw, 1.08rem);
  }

  .proceso__brain-anchor {
    width: clamp(6rem, 30vw, 8rem);
    height: clamp(6rem, 30vw, 8rem);
  }

  .hero__canvas-wrap.hero__canvas-wrap--proceso {
    width: clamp(6rem, 30vw, 8rem);
    height: clamp(6rem, 30vw, 8rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .scroll-progress {
    animation: none !important;
  }

  .hero__bg-dots,
  .hero__scroll-line,
  .hero__scroll-icon,
  .tech-row__track,
  .why__quote-shell::before {
    animation: none !important;
  }

  .custom-cursor {
    display: none;
  }

  .proceso__line-path--scroll {
    animation: none !important;
    stroke-dashoffset: 0 !important;
  }
}

@media (max-width: 900px) {
  .why__layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .why__aside {
    text-align: left;
  }

  .why__scroll {
    height: calc(var(--why-steps) * 88vh);
  }

  .why__list-viewport {
    height: clamp(14rem, 46vh, 22rem);
  }

  .why__list-text {
    font-size: clamp(1.15rem, 5vw, 1.65rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .why__quote-shell::before {
    animation: none;
    opacity: 0.45;
  }
}

@media (min-width: 900px) {
  .testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
    scroll-snap-type: none;
    padding-bottom: 0;
  }
}

@media (min-width: 900px) {
  .testimonial-card {
    flex: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .testimonial-card {
    opacity: 1;
    transform: none;
    transition: border-color 0.3s ease;
  }
}

@media (pointer: coarse) {
  .custom-cursor {
    display: none;
  }
}

@media (max-width: 980px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .footer__top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 92vh;
    --hero-title-size: clamp(2.9rem, 17.5vw, 4.85rem);
    --hero-brand-bottom: clamp(0.05rem, 0.35vh, 0.2rem);
  }

  .hero__keywords {
    gap: 0.15rem;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }

  .hero__keyword {
    font-size: clamp(0.82rem, 3.75vw, 1.05rem);
    letter-spacing: 0.02em;
    color: #ffffff;
  }

  .hero__keyword--digital {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    transform: none;
    justify-self: end;
    align-self: center;
  }

  .proceso,
  .why,
  .testimonials,
  .contact {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .projects {
    padding-left: 0;
    padding-right: 0;
  }
  .contact__form-wrap {
    max-width: 100%;
  }
  .hero__canvas-wrap {
    top: var(--brain-scroll-y, 54vh);
    width: min(520px, 98vw);
    height: min(520px, 98vw);
  }
}