/* Mobile-first polish — AVG Neural Technologies */

/* Safe areas + base touch */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.nav {
  padding-top: env(safe-area-inset-top);
  height: calc(var(--nav-h) + env(safe-area-inset-top));
}

.nav-mobile {
  padding: calc(var(--nav-h) + env(safe-area-inset-top) + 1rem) 1.25rem
    calc(2rem + env(safe-area-inset-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Prevent iOS zoom on form focus */
input,
textarea,
select,
button {
  font-size: 16px;
}

textarea {
  min-height: 8rem;
}

/* Touch targets */
.svc__tab,
.svc__group,
.lang__btn,
.nav__toggle,
.btn {
  -webkit-tap-highlight-color: rgba(0, 229, 255, 0.15);
  touch-action: manipulation;
}

@media (max-width: 979px) {
  .cursor-glow {
    display: none !important;
  }

  .container {
    width: min(100% - 1.5rem, var(--max));
  }

  .section {
    padding: clamp(3.25rem, 12vw, 5rem) 0;
  }

  .section__head {
    margin-bottom: 1.75rem;
  }

  .hero {
    min-height: 100svh;
    min-height: 100dvh;
    padding-bottom: 5.5rem;
  }

  .hero__content {
    width: 100%;
  }

  .hero__brand {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
  }

  .hero__title {
    font-size: clamp(2.05rem, 11vw, 3.1rem);
    max-width: 12ch;
    line-height: 1.05;
  }

  .hero__lead {
    font-size: 1rem;
    max-width: none;
  }

  .hero__actions {
    display: grid;
    width: 100%;
    gap: 0.75rem;
  }

  .hero__actions .btn {
    width: 100%;
    min-height: 3.15rem;
  }

  .nav__name {
    font-size: 0.95rem;
  }

  .lang__btn {
    min-height: 2.5rem;
    padding: 0 0.65rem;
  }

  .lang__menu {
    right: 0;
    left: auto;
    min-width: 12rem;
  }

  /* Services tabs */
  .svc__groups {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .svc__group--main {
    order: -1;
  }

  .svc__group {
    min-height: 3rem;
    font-size: 0.95rem;
    padding: 0.7rem 0.85rem;
    text-align: left;
  }

  .svc__nav {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.4rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    margin-inline: -0.75rem;
    padding: 0 0.75rem 1rem;
    mask-image: linear-gradient(90deg, transparent, #000 0.75rem, #000 calc(100% - 0.75rem), transparent);
  }

  .svc__nav::-webkit-scrollbar {
    display: none;
  }

  .svc__tab {
    flex: 0 0 auto;
    scroll-snap-align: start;
    min-height: 2.75rem;
    padding: 0.55rem 0.9rem;
    font-size: 0.84rem;
    white-space: nowrap;
  }

  .svc__view {
    gap: 1.15rem;
  }

  .svc__copy h3 {
    font-size: clamp(1.25rem, 6.5vw, 1.55rem);
  }

  .demo__frame {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .ui-crm__board {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .ui-col {
    min-width: 0;
  }

  .ui-flowviz,
  .ui-roadmap,
  .ui-timeline {
    grid-template-columns: 1fr 1fr;
  }

  .ui-p2p {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 1.25rem 1rem;
  }

  .ui-p2p__fiber {
    order: 0;
  }

  .ui-agent-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ui-app {
    grid-template-columns: 1fr;
  }

  .ui-app aside {
    display: none;
  }

  .ui-app__cards {
    grid-template-columns: 1fr;
  }

  .ui-bi {
    grid-template-columns: 1fr;
  }

  .ui-layers div {
    font-size: 0.8rem;
    padding: 0.7rem 0.85rem;
  }

  .leader__frame {
    max-width: 22rem;
    margin-inline: auto;
  }

  .leader__copy h2 {
    font-size: clamp(1.75rem, 8vw, 2.25rem);
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer__copy {
    font-size: 0.65rem;
    line-height: 1.5;
  }

  /* Space for Neural launcher */
  .footer {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
  }

  .contact__form {
    width: 100%;
  }

  .contact__form input,
  .contact__form textarea,
  .contact__form button,
  .btn,
  .svc__tab,
  .svc__group {
    font-size: 16px;
  }

  .svc__tab {
    font-size: 0.9rem;
  }

  .svc__group {
    font-size: 0.95rem;
  }

  .contact__chat-btn {
    width: 100%;
    min-height: 3.1rem;
    justify-content: center;
    align-items: center;
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--line-strong);
    background: rgba(0, 229, 255, 0.08);
    border-bottom: 1px solid var(--line-strong);
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100% - 1.15rem, var(--max));
  }

  .svc__group {
    font-size: 0.88rem;
  }

  .ui-flowviz,
  .ui-roadmap,
  .ui-timeline {
    grid-template-columns: 1fr;
  }

  .ui-fiber {
    flex-direction: column;
    gap: 0.65rem;
  }

  .ui-fiber__line {
    width: 2px;
    height: 1.5rem;
    background: linear-gradient(180deg, transparent, var(--cyan), transparent);
  }

  .mono {
    font-size: 0.65rem;
  }
}

/* Landscape phones */
@media (max-height: 480px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding-block: calc(var(--nav-h) + 1.5rem) 3rem;
  }

  .neural__panel {
    height: min(88vh, 28rem);
  }
}