/* ===== RESPONSIVE DESIGN SYSTEM ===== */

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--neutral-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-medium);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

#mobile-nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: var(--primary-black);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-slow);
  z-index: 999;
}

#mobile-nav.active {
  left: 0;
}

#mobile-nav ul {
  list-style: none;
  text-align: center;
}

#mobile-nav li {
  margin: var(--space-6) 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-medium);
}

#mobile-nav.active li {
  opacity: 1;
  transform: translateY(0);
}

#mobile-nav.active li:nth-child(1) {
  transition-delay: 0.1s;
}
#mobile-nav.active li:nth-child(2) {
  transition-delay: 0.2s;
}
#mobile-nav.active li:nth-child(3) {
  transition-delay: 0.3s;
}
#mobile-nav.active li:nth-child(4) {
  transition-delay: 0.4s;
}

#mobile-nav .nav-link {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  display: block;
  padding: var(--space-4);
}

/* Tablet Styles */
@media (max-width: 992px) {
  .about-content,
  .location-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .brochure-main {
    flex-direction: column;
    gap: var(--space-8);
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  #desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    background-attachment: scroll;
  }

  .features-grid,
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

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

  section {
    padding: var(--space-12) 0;
  }

  .brochure-features {
    grid-template-columns: 1fr;
  }

  .document-container {
    width: 240px;
    height: 280px;
  }

  .document-main,
  .document-bg {
    width: 200px;
    height: 240px;
  }
}

/* Small Mobile */
@media (max-width: 576px) {
  .map-controls-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-container {
    padding: var(--space-6);
  }

  section {
    padding: var(--space-10) 0;
  }

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

  .hero-content h2 {
    font-size: 1rem;
  }

  .hero-content p {
    font-size: 0.9rem;
  }
}