/* ============================================
   Responsive Design System
   ============================================ */

/* Mobile Hamburger Menu Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: background-color var(--transition-speed) var(--transition-easing);
}

.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  transition: transform var(--transition-speed) var(--transition-easing);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.nav-toggle.active .hamburger {
  background-color: transparent;
}

.nav-toggle.active .hamburger::before {
  transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active .hamburger::after {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   Desktop (Default) - 1440px and above
   ============================================ */

@media (min-width: 1440px) {
  :root {
    --spacing-unit: 1.125rem;
  }
  
  .section-content {
    max-width: 900px;
  }
  
  .agency-name {
    font-size: 3.5rem;
  }
  
  .tagline {
    font-size: 1.25rem;
  }
}

/* ============================================
   Desktop/Laptop - 1024px to 1439px
   ============================================ */

@media (max-width: 1439px) and (min-width: 1024px) {
  nav {
    padding: var(--spacing-md) var(--spacing-md);
  }
  
  .section-content {
    max-width: 700px;
  }
}

/* ============================================
   Tablet - 768px to 1023px
   ============================================ */

@media (max-width: 1023px) and (min-width: 768px) {
  nav {
    padding: var(--spacing-md) var(--spacing-md);
  }
  
  .nav-menu {
    gap: var(--spacing-md);
  }
  
  .section-content {
    max-width: 600px;
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .agency-name {
    font-size: 2.5rem;
  }
  
  .tagline {
    font-size: 1rem;
  }
  
  .about-text {
    font-size: 1rem;
  }
  
  .client-list li {
    font-size: 1rem;
  }
  
  .contact-form {
    max-width: 100%;
  }
}

/* ============================================
   Mobile - Below 768px
   ============================================ */

@media (max-width: 767px) {
  /* Navigation - Mobile hamburger menu */
  nav {
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.98), rgba(20, 24, 36, 0.98));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform 0.4s var(--transition-easing);
    z-index: 55;
    will-change: transform;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: 1.25rem;
  }
  
  .nav-link.active::after {
    bottom: -4px;
  }
  
  /* Main content adjustments */
  main {
    padding-top: 60px;
  }
  
  .section {
    min-height: calc(100vh - 60px);
  }
  
  .section-content {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 100%;
  }
  
  /* Home section */
  .agency-name {
    font-size: 2rem;
  }
  
  .tagline {
    font-size: 0.95rem;
  }
  
  /* About section */
  #about .section-content {
    min-height: calc(100vh - 60px);
  }
  
  .about-intro {
    margin-bottom: var(--spacing-lg);
  }
  
  .about-text {
    font-size: 1rem;
    line-height: 1.7;
  }
  
  .team-grid {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    gap: var(--spacing-md);
    max-width: 100%;
  }
  
  .team-member {
    padding: var(--spacing-md);
  }
  
  .team-name {
    font-size: 1.25rem;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .team-bio p {
    font-size: 0.8rem;
  }
  

  
  /* Roster section */
  #roster .section-content {
    min-height: calc(100vh - 60px);
    padding-top: var(--spacing-md);
  }
  
  .roster-list {
    margin-top: var(--spacing-md);
    gap: var(--spacing-md);
    max-width: 100%;
  }
  
  .roster-item {
    padding: var(--spacing-md);
  }
  
  .roster-name {
    font-size: 1.25rem;
  }
  
  .roster-list {
    grid-template-columns: 1fr;
  }
  
  .roster-bio p {
    font-size: 0.85rem;
  }
  
  /* Contact section */
  #contact .section-content {
    min-height: calc(100vh - 60px);
  }
  
  .contact-form {
    margin-top: var(--spacing-md);
    max-width: 100%;
  }
  
  .form-group {
    margin-bottom: var(--spacing-md);
  }
  
  .submit-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* ============================================
   Small Mobile - 320px to 479px
   ============================================ */

@media (max-width: 479px) {
  :root {
    --spacing-unit: 0.875rem;
  }
  
  nav {
    padding: var(--spacing-sm) var(--spacing-sm);
  }
  
  .section-content {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .agency-name {
    font-size: 1.75rem;
  }
  
  .tagline {
    font-size: 0.875rem;
  }
  
  .about-text {
    font-size: 0.95rem;
  }
  
  .roster-bio p {
    font-size: 0.85rem;
  }
  
  .form-group input,
  .form-group textarea {
    font-size: 0.95rem;
  }
  
  /* Splash screen mobile */
  .splash-text-tiny {
    font-size: 1rem;
  }
  
  .splash-text-large {
    font-size: 3rem;
  }
}

/* ============================================
   Landscape Orientation Adjustments
   ============================================ */

@media (max-height: 600px) and (orientation: landscape) {
  .section {
    min-height: auto;
  }
  
  .section-content {
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: auto;
  }
  
  #about .section-content,
  #roster .section-content {
    min-height: auto;
  }
}

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

@media print {
  nav {
    display: none;
  }
  
  main {
    padding-top: 0;
  }
  
  .section {
    display: block !important;
    opacity: 1 !important;
    min-height: auto;
    page-break-after: always;
  }
  
  .skip-link {
    display: none;
  }
}