/* ============================================
   Responsive Layout System
   Mobile-first approach with progressive enhancement
   ============================================ */

/* ============================================
   Base Container Styles (Mobile-first)
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   Mobile Breakpoint (< 768px)
   Default styles - mobile-first approach
   ============================================ */

/* Mobile navigation is handled in navigation.css */

/* Mobile typography adjustments */
body {
  font-size: 16px;
}

/* Mobile spacing adjustments */
section {
  padding: var(--spacing-md) 0;
}

.content-section {
  margin-bottom: var(--spacing-md);
}

/* Mobile card grid - single column */
.card-grid,
.services-grid,
.qualification-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

/* Mobile contact info - stacked layout */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Mobile buttons - full width for better touch targets */
.btn {
  display: block;
  width: 100%;
  text-align: center;
}

/* ============================================
   Tablet Breakpoint (768px - 1023px)
   ============================================ */

@media (min-width: 768px) {
  /* Typography scale up */
  body {
    font-size: 18px;
  }
  
  /* Spacing adjustments */
  section {
    padding: var(--spacing-lg) 0;
  }
  
  .content-section {
    margin-bottom: var(--spacing-lg);
  }
  
  /* Card grid - 2 columns on tablet */
  .card-grid,
  .qualification-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Services grid - 2 columns on tablet */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Contact info - 2 column layout */
  .contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Buttons - inline on tablet */
  .btn {
    display: inline-block;
    width: auto;
  }
  
  /* Navigation - horizontal layout (handled in navigation.css) */
  .nav-links {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: none;
  }
}

/* ============================================
   Desktop Breakpoint (>= 1024px)
   ============================================ */

@media (min-width: 1024px) {
  /* Typography scale up */
  body {
    font-size: var(--font-size-base);
  }
  
  /* Spacing adjustments */
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .content-section {
    margin-bottom: var(--spacing-xl);
  }
  
  /* Card grid - 3 columns on desktop */
  .card-grid,
  .qualification-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Services grid - 3 columns on desktop */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Hero section - larger on desktop */
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  /* Contact info - maintain 2 column or adjust as needed */
  .contact-info {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

/* ============================================
   Responsive Navigation (Mobile Menu)
   ============================================ */

/* Mobile menu styles */
@media (max-width: 767px) {
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    width: 100%;
  }
  
  .nav-links a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    width: 100%;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
}

/* ============================================
   Responsive Images
   ============================================ */

img {
  max-width: 100%;
  height: auto;
}

/* Logo responsive sizing */
.logo img {
  max-width: 200px;
}

@media (min-width: 768px) {
  .logo img {
    max-width: 250px;
  }
}

/* ============================================
   Responsive Typography
   ============================================ */

/* Headings use fluid sizing via clamp() in main.css */
/* Additional responsive adjustments if needed */

@media (max-width: 767px) {
  h1 {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }
  
  h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  
  h3 {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }
}

/* ============================================
   Responsive Utilities
   ============================================ */

/* Hide on mobile */
.hide-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: block;
  }
}

/* Hide on desktop */
.hide-desktop {
  display: block;
}

@media (min-width: 768px) {
  .hide-desktop {
    display: none;
  }
}

/* ============================================
   Touch Target Optimization (Mobile)
   ============================================ */

@media (max-width: 767px) {
  /* Ensure minimum 44px touch targets */
  a, button, input, select, textarea {
    min-height: 44px;
    min-width: 44px;
  }
  
  .nav-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .mobile-menu-toggle {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .mobile-menu-toggle,
  .nav-links {
    display: none;
  }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  
  a {
    text-decoration: underline;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
}

/* Mobile adjustments for photo layouts */
@media (max-width: 767px) {
  .about-teaser-layout,
  .about-profile-layout,
  .treatment-intro-layout {
    flex-direction: column;
    text-align: center;
  }

  .about-teaser-image,
  .about-profile-image,
  .treatment-intro-image {
    flex: none;
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
  }

  .about-teaser-image img {
    height: 280px;
    width: 100%;
  }

  .about-profile-image img {
    height: 260px;
    width: 100%;
  }

  .treatment-intro-image img {
    height: 240px;
    width: 100%;
  }

  .about-teaser-content h2 {
    text-align: center;
  }

  .practice-image-wrapper img {
    height: 200px;
  }
}

/* Tablet adjustments for photo layouts */
@media (min-width: 768px) and (max-width: 1023px) {
  .about-teaser-image {
    flex: 0 0 200px;
  }

  .about-profile-image {
    flex: 0 0 240px;
  }

  .treatment-intro-image {
    flex: 0 0 220px;
  }
}

/* Mobile adjustments for home page */
@media (max-width: 767px) {
  .hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .audience-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .downloads-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .quick-info-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .cta-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-info {
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
  }

  .btn {
    width: 100%;
    min-width: auto;
  }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}