/* SGR Enterprises - Responsive Grid & Mobile View Transitions */

/* Breakpoint 1400px & 4K screens */
@media (min-width: 1401px) {
  .container {
    max-width: 1400px;
  }
}

@media (min-width: 2500px) {
  html {
    font-size: 20px; /* Scale text cleanly for 4K displays */
  }
  .container {
    max-width: 2200px;
  }
}

/* Breakpoint 1200px */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2rem;
  }
}

/* Breakpoint 992px */
@media (max-width: 992px) {
  section {
    padding: 4.5rem 0;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1.5fr;
    gap: 3rem;
  }

  /* Hamburger Menu Layout for tablet/mobile */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 6rem 3rem;
    gap: 2rem;
    transition: right var(--transition-normal);
    z-index: 999;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-actions {
    margin-top: 1rem;
    width: 100%;
    justify-content: space-between;
  }
  
  /* Hamburger Icon */
  .hamburger {
    display: flex !important;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
  }
  
  .hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
  }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  
  .timeline::after {
    display: none; /* Hide linear progression on responsive grid wrap */
  }
}

/* Breakpoint 768px */
@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Breakpoint 425px & smaller */
@media (max-width: 425px) {
  html {
    font-size: 14px;
  }
  
  section {
    padding: 3.5rem 0;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .nav-menu {
    width: 100%;
  }
  
  .float-btn {
    width: 48px;
    height: 48px;
  }
  
  .float-call {
    display: flex; /* Show Call button on phones */
  }
}

/* Breakpoint 375px & 320px adjustments */
@media (max-width: 375px) {
  .logo {
    font-size: 1.25rem;
  }
  .logo img {
    height: 34px;
  }
  .btn {
    padding: 0.75rem 1.5rem;
  }
}