/* =========================================================
   NBS ONE — Responsive (reference theme)
   ========================================================= */

@media (max-width: 1200px) {
  :root {
    --fs-hero: clamp(2.25rem, 5vw, 3.75rem);
    --fs-h2: clamp(1.75rem, 3.2vw, 2.75rem);
    --gutter: 4.5%;
  }

  .nav__list {
    gap: 20px;
  }

  .hero__inner {
    gap: 36px;
  }

  .hero__visual {
    min-height: 440px;
  }

  .hero__title {
    max-width: none;
  }

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

@media (max-width: 992px) {
  :root {
    --fs-hero: 48px;
    --fs-h2: 36px;
    --header-h: 68px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(0, 0, 0, 0.94);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-bottom: 1px solid var(--border);
    padding: 28px 5% 32px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease), visibility 0.4s var(--ease);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .nav__link {
    font-size: 1.05rem;
  }

  .header__actions .btn--sm {
    display: none;
  }

  .hero {
    padding: 32px 0 64px;
    min-height: auto;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__content {
    text-align: center;
  }

  .hero__title {
    max-width: none;
    margin-inline: auto;
  }

  .hero__desc {
    margin-inline: auto;
  }

  .hero__cta,
  .hero__badges,
  .hero__tagline {
    justify-content: center;
  }

  .hero__tagline {
    display: block;
  }

  .hero__waves {
    right: 50%;
    transform: translate(50%, -50%);
    opacity: 0.5;
  }

  .hero__visual {
    min-height: 380px;
    order: -1;
  }

  .feature-strip__inner {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 8px;
  }

  .feature-strip__item:nth-child(3)::after {
    display: none;
  }

  .feature-strip__item:not(:last-child)::after {
    display: none;
  }

  .products {
    padding: 96px 0 80px;
  }

  .products__grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

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

  .trust-bar__item:nth-child(2)::after {
    display: none;
  }

  .compatibility__inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .compatibility .section-title,
  .compatibility .section-subtitle,
  .compatibility .section-eyebrow {
    text-align: center;
    margin-inline: auto;
  }

  .compat-list {
    max-width: 480px;
    margin-inline: auto;
  }

  .compat-list li {
    text-align: left;
  }

  .compatibility__visual {
    order: -1;
  }

  .why__grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-inline: auto;
  }

  .support__panel {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    text-align: center;
  }

  .support .section-title,
  .support .section-subtitle,
  .support .section-eyebrow {
    text-align: center;
  }

  .support__actions {
    justify-content: center;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  body[data-page="why"] .why__grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 48px 0 36px;
  }

  .support-form {
    max-width: none;
    margin-inline: auto;
    text-align: left;
  }
}

@media (max-width: 768px) {
  :root {
    --fs-hero: 40px;
    --fs-h2: 32px;
  }

  .section-header {
    margin-bottom: 48px;
  }

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

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

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

  .compat-orb {
    width: 260px;
    height: 260px;
  }

  .compat-orb__core {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 576px) {
  :root {
    --fs-hero: 34px;
    --fs-h2: 28px;
    --gutter: 20px;
    --header-h: 64px;
  }

  .cart-btn {
    display: none;
  }

  .logo__img {
    height: 22px;
    max-width: 140px;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }

  .whatsapp-float__tooltip {
    display: none;
  }

  .hero {
    padding: 20px 0 48px;
  }

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

  .hero__cta .btn {
    width: 100%;
  }

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

  .badge {
    justify-content: center;
  }

  .hero__visual {
    min-height: 280px;
  }

  .hero__glow-ring {
    width: 200px;
    height: 50px;
  }

  .products {
    padding: 72px 0 60px;
  }

  .product-card__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .product-card__footer .btn {
    width: 100%;
  }

  .trust-bar {
    grid-template-columns: 1fr;
  }

  .trust-bar__item:not(:last-child)::after {
    display: none;
  }

  .trust-bar__item {
    border-bottom: 1px solid var(--border);
  }

  .trust-bar__item:last-child {
    border-bottom: none;
  }

  .features,
  .compatibility,
  .why {
    padding: 72px 0;
  }

  .support {
    padding: 20px 0 80px;
  }

  .footer__nav {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 380px) {
  :root {
    --fs-hero: 30px;
    --fs-h2: 26px;
  }

  .feature-strip__inner {
    grid-template-columns: 1fr;
  }
}

@media (hover: none) {
  .product-card:hover {
    transform: translateY(-8px);
  }
}