/* ============================================
   MedicalToolKit - Responsive Styles
   Mobile-first approach
   ============================================ */

/* ============================================
   SMALL PHONES: 320px
   ============================================ */
@media (max-width: 374px) {
  .hero {
    padding: 48px 16px 40px;
  }

  .hero h1 {
    font-size: 1.625rem;
  }

  .hero-search input {
    padding: 12px 14px;
    font-size: 0.875rem;
  }

  .hero-search button {
    padding: 12px 14px;
    font-size: 0.8125rem;
  }

  .stat-item {
    padding: 4px 16px;
  }

  .stat-number {
    font-size: 1.125rem;
  }

  .category-card {
    padding: 16px 10px;
  }

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

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

  .steps-grid::before {
    display: none;
  }

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

  .related-tools {
    grid-template-columns: 1fr;
  }

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

/* ============================================
   IPHONE SE: 375px
   ============================================ */
@media (max-width: 480px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    display: none;
  }

  .header-search {
    display: none;
  }

  .hero-features {
    gap: 10px;
  }

  .hero-feature {
    font-size: 0.75rem;
  }

  .stats-inner {
    gap: 0;
  }

  .stat-item {
    padding: 4px 16px;
    flex: 1;
    min-width: 50%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .stat-item:nth-child(odd) {
    border-right: 1px solid var(--border);
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

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

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

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

  .steps-grid::before {
    display: none;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .related-tools {
    grid-template-columns: 1fr;
  }

  .share-result-btns {
    grid-template-columns: 1fr 1fr;
  }

  .calc-grid-2 {
    grid-template-columns: 1fr;
  }

  .result-grid-2 {
    grid-template-columns: 1fr;
  }

  body {
    padding-bottom: 64px;
  }

  .back-to-top {
    bottom: 80px;
  }
}

/* ============================================
   IPHONE 14: 390px - 767px
   ============================================ */
@media (min-width: 481px) and (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    display: none;
  }

  .header-search {
    display: none;
  }

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

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

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

  .steps-grid::before {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .related-tools {
    grid-template-columns: 1fr;
  }

  body {
    padding-bottom: 64px;
  }

  .back-to-top {
    bottom: 80px;
  }
}

/* ============================================
   TABLETS: 768px
   ============================================ */
@media (min-width: 768px) and (max-width: 1023px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    display: none;
  }

  .header-search {
    max-width: 200px;
  }

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

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

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

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

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

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

/* ============================================
   SMALL DESKTOP: 1024px
   ============================================ */
@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }

  .main-nav {
    display: flex;
  }

  .header-search {
    display: flex;
    max-width: 220px;
  }

  .categories-grid {
    grid-template-columns: repeat(7, 1fr);
  }

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

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

  .related-tools {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   DESKTOP: 1280px
   ============================================ */
@media (min-width: 1280px) {
  .tools-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   LARGE DESKTOP: 1440px
   ============================================ */
@media (min-width: 1440px) {
  .header-inner {
    padding: 0 40px;
  }

  .hero {
    padding: 88px 40px 72px;
  }
}

/* ============================================
   TOUCH TARGETS - min 44px
   ============================================ */
@media (hover: none) and (pointer: coarse) {
  .btn,
  .btn-use-tool,
  .category-card,
  .hamburger,
  .main-nav a,
  .back-to-top,
  .share-btn {
    min-height: 44px;
  }

  .calc-btn {
    min-height: 52px;
  }

  input[type="text"],
  input[type="number"],
  input[type="date"],
  select {
    min-height: 48px;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .site-header,
  .site-footer,
  .ad-banner-top,
  .cookie-consent,
  .back-to-top,
  .share-result-btns,
  .monetag-banner,
  .monetag-inpage,
  .monetag-native,
  .monetag-sticky {
    display: none !important;
  }

  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  .calc-result-box {
    border: 2px solid #000;
    page-break-inside: avoid;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* ============================================
   PREFERS REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   HIGH CONTRAST
   ============================================ */
@media (prefers-contrast: high) {
  :root {
    --border: #000;
    --text-light: #333;
  }

  .tool-card,
  .category-card {
    border-width: 2px;
  }
}