/* ============================================
   TV NEWS DESIGN SYSTEM — Responsive
   Media queries for all breakpoints
   ============================================ */

/* ================================================
   LARGE DESKTOP (≤ 1400px)
   ================================================ */
@media (max-width: 1400px) {
  .container {
    max-width: 1200px;
  }
}

/* ================================================
   DESKTOP (≤ 1200px)
   ================================================ */
@media (max-width: 1200px) {
  .container {
    max-width: 992px;
  }
  
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-main-sidebar {
    grid-template-columns: 1fr 320px;
    gap: var(--space-lg);
  }

  .nav__list {
    gap: var(--space-lg);
  }

  .nav__link {
    font-size: 0.85rem;
  }
}

/* ================================================
   TABLET / LAPTOP (≤ 992px)
   ================================================ */
@media (max-width: 992px) {
  .container {
    max-width: 768px;
  }
  
  /* Grids */
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-main-sidebar {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
    margin-top: var(--space-2xl);
  }
  
  /* Hero section adjustments */
  .hero__main {
    grid-column: span 1;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .card--featured {
    grid-column: span 1;
  }
  
  .card--horizontal {
    flex-direction: column;
  }
  
  .card--horizontal .card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
  
  /* Footer */
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__col--brand {
    grid-column: span 2;
  }
}

/* ================================================
   LARGE MOBILE (≤ 768px)
   ================================================ */
@media (max-width: 768px) {
  .container {
    max-width: 100%;
    padding: 0 var(--space-md);
  }
  
  /* Header Navigation */
  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-primary);
    box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    z-index: calc(var(--z-modal) - 1);
    transition: right var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
    padding: 80px var(--space-xl) var(--space-xl);
    overflow-y: auto;
  }
  
  .header__nav.active {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    height: auto;
    gap: 0;
  }
  
  .nav__item {
    height: auto;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav__link {
    display: block;
    width: 100%;
    padding: var(--space-lg) 0;
    font-size: 1.1rem;
  }
  
  .nav__link::after {
    display: none;
  }
  
  .header__menu-btn {
    display: flex;
  }
  
  /* Header overlay */
  body.menu-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: calc(var(--z-modal) - 2);
  }
  
  /* Topbar */
  .topbar__left {
    display: none; /* Hide date/weather on small screens */
  }
  
  .topbar__inner {
    justify-content: flex-end;
  }
  
  /* General Typography */
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  /* Article adjustments */
  .article-header__title {
    font-size: 2rem;
  }
  
  .article-body {
    font-size: 1.05rem;
  }
  
  /* Footer */
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__bottom-links {
    justify-content: center;
  }
}

/* ================================================
   MOBILE (≤ 576px)
   ================================================ */
@media (max-width: 576px) {
  /* Grids to 1 column */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  /* Header */
  .header__inner {
    height: 60px;
  }
  
  .logo__text {
    font-size: 1.2rem;
  }
  
  .btn--live {
    padding: 6px 12px;
    font-size: 0.7rem;
  }
  
  /* Modals */
  .search-modal__input {
    font-size: 1.5rem;
  }
  
  .search-modal__submit {
    position: relative;
    top: auto;
    transform: none;
    margin-top: var(--space-md);
    display: block;
    width: 100%;
    text-align: center;
  }
  
  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__col {
    grid-column: span 1 !important;
  }
  
  /* Spacing and touch targets */
  .btn, .share-btn, .tag, input, button {
    min-height: 44px; /* Apple Human Interface Guidelines */
  }
  
  /* Ticker */
  .ticker__label {
    padding: 0 var(--space-md);
    font-size: 0.8rem;
  }
  
  .ticker__separator {
    margin: 0 var(--space-md);
  }
}