/* Responsive overrides for various screens */

/* Large desktops */
@media (min-width: 1201px) {
  .hero-content h1 {
    font-size: 4rem;
  }

  .hero-logo-img {
    width: 200px;
  }
}

/* Desktop / Laptop */
@media (max-width: 1200px) and (min-width: 993px) {
  .container {
    max-width: 1000px;
  }

  .hero-content h1 {
    font-size: 3.25rem;
  }

  .hero-logo-img {
    width: 170px;
  }
}

/* Tablet */
@media (max-width: 992px) and (min-width: 769px) {
  .container {
    padding: 0 18px;
  }

  /* set compact header height for tablet */
  :root {
    --header-height: 90px;
  }

  header {
    height: var(--header-height);
    padding: 0;
  }

  .header-container {
    height: var(--header-height);
    align-items: center;
    gap: 6px;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  .hero-logo-img {
    width: 150px;
  }

  .main-nav ul {
    gap: 18px;
  }

  /* position collapse as dropdown below header */
  .main-nav {
    position: relative;
  }

  .main-nav .navbar-collapse {
    /* make dropdown occupy full viewport width */
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    width: 100vw;
    max-width: 100vw;
    background: var(--white);
    border-radius: 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    padding: 8px 12px;
    display: none;
    z-index: 1500;
  }

  .main-nav .navbar-collapse.show {
    display: block;
  }

  .main-nav .navbar-nav {
    flex-direction: column;
    gap: 8px;
  }

  .main-nav .nav-link {
    padding: 8px 12px;
  }

  /* full-width items */
  .main-nav .navbar-nav .nav-item {
    width: 100%;
  }

  .main-nav .navbar-nav .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  }

  .main-nav .navbar-nav .nav-item:last-child .nav-link {
    border-bottom: none;
  }
}

/* Mobile */
@media (max-width: 768px) {
  /* compact header for mobile */
  :root {
    --header-height: 70px;
  }

  header {
    height: var(--header-height);
    padding: 0 12px;
  }

  .header-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    position: relative;
    gap: 0;
    width: 100%;
    height: 100%;
  }

  /* Center the logo in mobile */
  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
  }

  .logo img {
    height: 50px;
  }

  /* Position nav (with burger menu) on one side based on language */
  .main-nav {
    position: absolute;
    flex: none;
    z-index: 2;
  }

  /* RTL (Arabic): burger menu on the left, lang switch on right */
  html[dir="rtl"] .main-nav {
    left: 12px;
    right: auto;
  }

  /* LTR (English): burger menu on the right, lang switch on left */
  html[dir="ltr"] .main-nav {
    right: 12px;
    left: auto;
  }

  /* Language switch position */
  .lang-switch {
    position: absolute;
    z-index: 2;
  }

  /* RTL: lang switch on the opposite side (right) */
  html[dir="rtl"] .lang-switch {
    right: 12px;
    left: auto;
  }

  /* LTR: lang switch on the opposite side (left) */
  html[dir="ltr"] .lang-switch {
    left: 12px;
    right: auto;
  }

  .lang-switch button {
    padding: 4px 12px;
    font-size: 0.85rem;
  }

  .main-nav ul {
    gap: 12px;
    margin-top: 10px;
    font-size: 0.95rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .main-nav .navbar-collapse {
    /* full-bleed panel on mobile */
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    width: 100vw;
    max-width: 100vw;
    background: var(--white);
    border-radius: 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    padding: 6px 10px;
    display: none;
    z-index: 1500;
  }

  .main-nav .navbar-collapse.show {
    display: block;
  }

  .main-nav .navbar-nav {
    flex-direction: column;
    gap: 6px;
  }

  .main-nav .nav-link {
    padding: 6px 10px;
  }

  /* full-width items on mobile */
  .main-nav .navbar-nav .nav-item {
    width: 100%;
  }

  .main-nav .navbar-nav .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  }

  .main-nav .navbar-nav .nav-item:last-child .nav-link {
    border-bottom: none;
  }

  .hero-section {
    min-height: calc(100vh - var(--header-height));
    padding-top: calc(var(--header-height) + 6px);
    padding-bottom: 40px;
  }

  .hero-logo-img {
    width: 140px;
  }

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

  .hero-tagline {
    font-size: 1.05rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .message-box {
    padding: 30px;
  }

  /* Make collapsed Bootstrap navbar shorter */
  .navbar-collapse {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  .navbar-collapse .navbar-nav {
    gap: 4px;
  }

  .navbar-collapse .nav-link {
    padding: 4px 0 !important;
    line-height: 1.1;
  }

  .navbar-toggler {
    padding: 6px 8px;
  }
}

/* Extra small phones */
@media (max-width: 480px) {
  .hero-logo-img {
    width: 120px;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .hero-tagline {
    font-size: 0.95rem;
  }

  .lang-switch button {
    padding: 6px 12px;
    font-size: 0.9rem;
  }

  .main-nav a {
    font-size: 0.95rem;
  }
}