/* =========================================================
   NivAk Technologies — Website V2
   Global Responsive System
   ========================================================= */

@media (max-width: 1100px) {
  :root {
    --section-space: 96px;
  }

  .site-nav {
    gap: 0;
  }

  .nav-link {
    padding-inline: 9px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
    gap: 48px;
  }

  .hero-visual {
    min-height: 440px;
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.4fr repeat(2, 1fr);
  }
}


@media (max-width: 900px) {
  :root {
    --container-padding: 20px;
    --section-space: 82px;
    --section-space-small: 60px;
  }

  .header-inner {
    min-height: 70px;
  }

  .site-nav {
    position: fixed;
    top: 70px;
    right: 20px;
    left: 20px;
    z-index: var(--z-menu);

    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;

    padding: 14px;

    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);

    background: var(--bg-card);
    box-shadow: var(--shadow-lg);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-link {
    justify-content: flex-start;
    min-height: 46px;
    padding-inline: 16px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-block: 72px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    max-width: 760px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual__panel {
    width: min(100%, 520px);
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}


@media (max-width: 640px) {
  :root {
    --container-padding: 18px;
    --section-space: 68px;
    --section-space-small: 48px;

    --text-4xl: 2.35rem;
    --text-5xl: 3rem;
  }

  .site-brand__logo {
    width: 39px;
    height: 39px;
  }

  .site-brand__name {
    font-size: 0.96rem;
  }

  .site-brand__sub {
    display: none;
  }

  .theme-toggle,
  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .hero {
    padding-block: 56px 64px;
  }

  .hero-title {
    font-size: clamp(2.65rem, 14vw, 4.2rem);
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .hero-visual__panel {
    border-radius: 26px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-title {
    font-size: clamp(1.9rem, 9vw, 2.65rem);
  }

  .section-description {
    font-size: var(--text-base);
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .card__body {
    padding: 24px;
  }

  .page-hero {
    padding-block: 72px 58px;
  }

  .page-hero__title {
    font-size: clamp(2.4rem, 12vw, 3.5rem);
  }

  .page-hero__description {
    font-size: var(--text-lg);
  }

  .cta-panel {
    gap: 28px;
    padding: 30px 24px;
  }

  .cta-panel__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .cta-panel__actions .button {
    width: 100%;
  }

  .footer-main {
    padding-block: 56px 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-contact {
    flex-direction: column;
    gap: 8px;
  }
}


@media (max-width: 400px) {
  :root {
    --container-padding: 15px;
  }

  .header-inner {
    gap: 12px;
  }

  .site-brand {
    gap: 9px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }
}


/* Respect reduced-motion accessibility preference */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    min-height: auto;
  }

  .hero-visual {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-block: 52px 64px;
  }
}


/* Apps & Games catalog */

@media (max-width: 900px) {
  .product-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .products-catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .product-summary {
    gap: 10px;
  }

  .product-summary__item {
    min-height: 96px;
    padding: 16px 10px;
  }

  .products-catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-product-card {
    min-height: 0;
  }

  .product-filters {
    gap: 8px;
  }

  .product-filter {
    padding: 8px 13px;
    font-size: .8rem;
  }
}


/* Services page responsive */

@media (max-width: 900px) {
  .services-catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-page main > .section {
    padding-top: 48px;
    padding-bottom: 48px;
  }
}

@media (max-width: 640px) {
  .services-catalog-grid {
    grid-template-columns: 1fr;
  }

  .services-hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .services-hero__actions .button {
    width: 100%;
  }

  .service-detail-card {
    min-height: 0;
  }

  .services-page main > .section {
    padding-top: 40px;
    padding-bottom: 40px;
  }
}