/* ============================================================
   TENA HEALTHCARE — RESPONSIVE STYLESHEET
   Breakpoints: 1280, 1024, 768, 480, 360
   ============================================================ */

/* ── LARGE DESKTOP (≤1280px) ── */
@media (max-width: 1280px) {
    :root { --container: 1100px; }
    .products-grid  { grid-template-columns: repeat(3, 1fr); }
    .related-grid   { grid-template-columns: repeat(3, 1fr); }
    .footer-grid    { grid-template-columns: 1.2fr 1fr 1fr 1.4fr; gap: 36px; }
  }
  
  /* ── TABLET LANDSCAPE / SMALL DESKTOP (≤1024px) ── */
  @media (max-width: 1024px) {
    .why-grid       { grid-template-columns: repeat(2, 1fr); }
    .trusted-inner  { grid-template-columns: 1fr; gap: 40px; }
    .trusted-image-wrap { max-width: 480px; margin: 0 auto; }
    .trusted-badge  { left: 0; }
  
    .story-inner    { grid-template-columns: 1fr; gap: 40px; }
    .story-img      { max-width: 480px; }

    .founder-inner  { grid-template-columns: 1fr; gap: 40px; }
    .founder-image-wrap { max-width: 360px; }

    .about-profile-block,
    .about-profile-block--reverse {
      grid-template-columns: 1fr;
      gap: 32px;
      margin-bottom: 48px;
    }
    .about-profile-block--reverse .about-profile-text,
    .about-profile-block--reverse .about-profile-media { order: unset; }
    .about-profile-grid,
    .about-mission-grid,
    .about-awards-grid { grid-template-columns: 1fr; }

    .photo-gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .photo-gallery-item:nth-child(n) { grid-column: span 1 !important; }
  
    .stats-grid     { grid-template-columns: repeat(2, 1fr); gap: 24px 48px; }
    .values-grid    { grid-template-columns: repeat(2, 1fr); }
  
    .contact-layout { grid-template-columns: 1fr; }
    .contact-info-card { position: static; }

    .contact-details-grid { grid-template-columns: 1fr; }
    .contact-map-iframe { height: 320px; }

    .shop-product-showcase { grid-template-columns: 1fr; gap: 32px; }
    .shop-product-block { padding: 28px 24px; }
    .shop-trust-badges { grid-template-columns: 1fr; }
    .shop-tab-list { grid-template-columns: 1fr; }
  
    .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
    .product-gallery { position: static; }
  
    .cart-layout { grid-template-columns: 1fr; }
    .checkout-layout { grid-template-columns: 1fr; }
    .checkout-form .form-row { grid-template-columns: 1fr; }
    .payment-options { grid-template-columns: 1fr; }
    .checkout-summary { position: static; }
    .cart-summary { position: static; }
  
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  
    .related-grid { grid-template-columns: repeat(2, 1fr); }

    .mfg-showcase { grid-template-columns: 1fr; max-width: 520px; }
    .mfg-images { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }

    .intro-showcase { grid-template-columns: 1fr; gap: 48px; text-align: center; }
    .intro-content { text-align: center; }
    .intro-text { margin-left: auto; margin-right: auto; }
    .intro-visual { max-width: 360px; }
  
    .hero-image-wrap { display: none; }
    .hero-content { max-width: 100%; }
  }
  
  /* ── TABLET PORTRAIT (≤768px) ── */
  @media (max-width: 768px) {
    :root { --header-h: 64px; }
  
    .about-hero { padding: 72px 0; }
    .about-hero .section-heading { font-size: clamp(1.6rem, 6vw, 2.2rem); }
    .about-profile-media img { max-height: 320px; min-height: 220px; }

    .about-awards .section-sub { margin-bottom: 32px !important; }
    .about-awards-grid { gap: 24px; }
    .about-award-img {
      min-height: 220px;
      max-height: none;
      padding: 10px;
    }
    .about-award-img img {
      max-height: 300px;
      width: 100%;
    }
    .about-award-body {
      padding: 20px 18px 24px;
    }
    .about-award-body h3 { font-size: 1.05rem; }
    .about-award-body p { font-size: .88rem; }

    .section-pad { padding: 64px 0; }
  
    /* Header */
    .main-nav { display: none; }
    .menu-toggle { display: flex; }
    .mobile-nav { display: flex; }
  
    /* Hero */
    .hero-swiper { height: 70vh; min-height: 480px; }
    .hero-content { text-align: center; max-width: 100%; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-content h1 { font-size: clamp(2rem, 7vw, 3rem); }
    .hero-bg-shape.s1 { width: 280px; height: 280px; top: -60px; right: -80px; }
    .hero-bg-shape.s2 { width: 160px; height: 160px; bottom: -50px; left: -50px; }
    .hero-bg-shape.s3 { width: 120px; height: 120px; }
    .hero-swiper .swiper-button-next,
    .hero-swiper .swiper-button-prev { display: none; }

    .announcement-bar { height: 36px; font-size: .72rem; }
    .announcement-sep { padding: 0 12px; }
    .announcement-item { gap: 6px; padding: 0 4px; }

    .intro-visual { max-width: 300px; }
    .intro-pad-img { max-width: 140px; left: -12px; }

    .photo-gallery-grid { grid-template-columns: 1fr; gap: 14px; }

    .contact-details-grid { gap: 16px; }
    .contact-map-iframe { height: 280px; }

    .shop-gallery-thumbs { grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .shop-cta-row { flex-direction: column; }
    .shop-tab-nav { gap: 8px; }
    .shop-tab-btn { flex: 1; padding: 10px 16px; font-size: .82rem; text-align: center; }

    .mfg-images { grid-template-columns: 1fr; }
    .video-modal { padding: 16px; }
    .video-modal-close { top: -44px; right: 4px; }
  
    /* Products */
    .products-grid  { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .related-grid   { grid-template-columns: repeat(2, 1fr); }
  
    /* Why */
    .why-grid { grid-template-columns: repeat(2, 1fr); }
  
    /* Cart table */
    .cart-table-head { display: none; }
    .cart-item {
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .cart-product { flex-direction: row; }
    .cart-item-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
  
    /* Values */
    .values-grid { grid-template-columns: 1fr; }
  
    /* Footer */
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
  
    /* Form */
    .form-row { grid-template-columns: 1fr; }
  
    /* Newsletter */
    .newsletter-form { flex-direction: column; }
  
    /* Stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
  }
  
  /* ── MOBILE (≤480px) ── */
  @media (max-width: 510px) {
    .container { padding: 0 16px; }
  
    .section-pad    { padding: 48px 0; }
    .section-pad-sm { padding: 40px 0; }
  
    /* Hero */
    .hero-swiper { height: 100svh; max-height: 680px; }

    .intro-showcase { gap: 32px; }
    .intro-visual { max-width: 260px; }
    .intro-pad-img { max-width: 110px; bottom: -8px; left: -6px; }
    .intro-shop-btn { width: 100%; justify-content: center; }
  
    /* Products */
    .products-grid  { grid-template-columns: 1fr; }
    .related-grid   { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  
    /* Why */
    .why-grid { grid-template-columns: 1fr; }
  
    /* Shop controls */
    .shop-controls  { flex-direction: column; align-items: stretch; }
    .search-bar     { max-width: 100%; }
  
    /* Cart */
    .cart-qty { display: inline-flex; }
  
    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom-inner { flex-direction: column; text-align: center; gap: 16px; }
    .payment-icons { flex-wrap: wrap; justify-content: center; }
  
    /* Stats */
    .stats-grid { grid-template-columns: 1fr 1fr; }
  
    /* Toast — sit above WhatsApp button */
    .toast-container {
      bottom: calc(24px + 62px + 14px);
      right: 16px;
      left: 16px;
    }
    .toast { max-width: 100%; }
  
    /* Scroll top */
    .scroll-top { display: none; }
  }
  
  /* ── EXTRA SMALL (≤360px) ── */
  @media (max-width: 360px) {
    .btn { padding: 12px 20px; font-size: .85rem; }
    .hero-content h1 { font-size: 1.8rem; }
    .related-grid   { grid-template-columns: 1fr; }
  }
  
  /* ── PRINT ── */
  @media print {
    .site-header, .site-footer, .scroll-top, .announcement-bar { display: none !important; }
    body { color: #000; background: #fff; }
  }
  
  /* ── REDUCED MOTION ── */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .01ms !important;
    }
  }

  /* ── AUTH PAGES ── */
  @media (max-width: 1024px) {
    .auth-layout { grid-template-columns: 1fr; min-height: auto; }
    .auth-brand { display: none; }
    .auth-form-panel { padding: 40px 24px 56px; }
  }

  @media (max-width: 768px) {
    .auth-header-btn { display: none; }
    .auth-card { padding: 32px 24px; border-radius: var(--radius-md); }
    .auth-form-panel { padding: 32px 16px 48px; }
  }

  @media (max-width: 480px) {
    .auth-card { padding: 28px 20px; box-shadow: var(--shadow-sm); }
    .auth-form .form-row { grid-template-columns: 1fr; }
    .auth-form-row { flex-direction: column; align-items: flex-start; }
    .auth-footer .copyright { font-size: .78rem; line-height: 1.6; }
  }

  @media (max-width: 1024px) {
    .profile-layout { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    .profile-card,
    .profile-orders { padding: 24px 20px; }
  }

  @media (max-width: 480px) {
    .nf-actions { flex-direction: column; align-items: stretch; }
    .nf-btn { width: 100%; }
    .nf-links { gap: 16px; }
  }