/* ==========================================================================
   Responsive — DesertPro
   ========================================================================== */

@media (max-width: 1024px) {
  :root {
    --container-padding: 0 40px;
  }

  h1 { font-size: 38px; }
  h2 { font-size: 28px; }

  .header-inner { padding: 20px 40px; }

  .hero__grid { min-height: 480px; }
  .hero__title { font-size: 38px; }

  .product-showcase__grid,
  .desertpro-shop__grid {
    gap: 24px;
  }

  .product-layout {
    gap: 48px;
  }

  .about-story__grid {
    gap: 48px;
  }

  .about-values__grid {
    gap: 40px;
  }

  .contact-layout__grid {
    gap: 48px;
  }

  .exo-how__grid {
    gap: 40px;
  }

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

  .footer-main {
    padding: 48px 40px;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 0 24px;
    --section-padding: 60px 0;
  }

  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }

  .header-inner { padding: 16px 24px; }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
  }

  /* Push page content below fixed header */
  #main-content {
    padding-top: 64px;
  }

  .primary-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    height: calc(100vh - 64px);
    background-color: var(--color-bg);
    padding: 0;
    margin-left: 0;
    z-index: 9999;
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .primary-nav__list > li {
    border-bottom: 1px solid var(--color-border);
  }

  .primary-nav__list > li > a {
    font-size: 16px;
    font-family: var(--font-body);
    color: var(--color-text);
    padding: 18px 24px;
    display: block;
    width: 100%;
    text-align: left;
    font-weight: 500;
  }

  .primary-nav__list > li > a:hover {
    color: var(--color-accent);
  }

  .mobile-toggle {
    display: flex;
    position: relative;
    z-index: 1001;
    -webkit-appearance: none;
    appearance: none;
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    outline: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    padding: 0;
  }

  .mobile-toggle:focus,
  .mobile-toggle:active,
  .mobile-toggle:hover {
    background: transparent !important;
    background-color: transparent !important;
    outline: none !important;
    box-shadow: none !important;
  }

  .mobile-toggle[aria-expanded="true"] .mobile-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-toggle[aria-expanded="true"] .mobile-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle[aria-expanded="true"] .mobile-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .header-cta {
    display: none;
  }

  .header-actions {
    margin-left: auto;
    margin-right: 12px;
  }

  .hero {
    min-height: 100vh;
    min-height: 100svh;
  }

  .hero__layout {
    min-height: 100vh;
    min-height: 100svh;
    padding-bottom: 100px !important;
  }

  .hero__text {
    padding: 60px 0 0;
  }

  .hero__video video {
    object-position: center center;
  }

  .hero__title {
    font-size: 30px !important;
  }

  .hero__subtitle-lead {
    font-size: 20px;
  }

  .hero__subtitle {
    font-size: 14px;
    max-width: none;
  }

  .hero__actions {
    gap: 12px;
    padding: 0;
  }

  .btn--hero-primary,
  .btn--hero-ghost {
    padding: 10px 28px;
    font-size: 12px;
  }

  .product-showcase__grid,
  .desertpro-shop__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .credentials__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .credentials__number {
    font-size: 28px;
  }

  .product-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-info__title { font-size: 28px; }

  .about-story__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-values__grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: left;
  }

  .about-brand-image img,
  .about-brand-image__placeholder {
    height: 240px;
  }

  .contact-layout__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .exo-how__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .exo-benefits__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .exo-benefits__card {
    padding: 28px;
  }

  .exo-features__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .exo-manufacturing__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form-wrapper {
    padding: 24px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    padding: 40px 24px;
    gap: 28px;
  }

  .footer-bottom {
    padding: 16px 24px;
  }

  .checkout-columns {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 28px; }

  .hero__title { font-size: 24px; }

  .product-card__body { padding: 16px; }

  .desertpro-product-card__body { padding: 16px; }

  .btn { padding: 12px 24px; font-size: 13px; }
}