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

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
  .container {
    max-width: 1400px;
  }
  
  .hero__title-main {
    font-size: 4rem;
  }
  
  .hero__title-sub {
    font-size: 1.5rem;
  }
}

/* Desktop (1200px and up) */
@media (min-width: 1200px) {
  .navigation__toggle {
    display: none;
  }
  
  .news__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .achievements-highlights__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tablet (768px to 1199px) */
@media (max-width: 1199px) {
  .navigation__toggle {
    display: flex;
  }
  
  .navigation__menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  
  .navigation__menu--active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navigation__list {
    flex-direction: column;
    padding: var(--spacing-6);
    gap: var(--spacing-2);
  }
  
  .navigation__link {
    display: block;
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
  }
  
  .hero__title-main {
    font-size: var(--font-size-4xl);
  }
  
  .hero__title-sub {
    font-size: var(--font-size-lg);
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .about-preview__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
  
  .news__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .achievements-highlights__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .footer__links {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (767px and below) */
@media (max-width: 767px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl: 1.25rem;
  }
  
  .container {
    padding: 0 var(--spacing-3);
  }
  
  .section {
    padding: var(--spacing-12) 0;
  }
  
  .navigation__container {
    padding: var(--spacing-3);
  }
  
  .navigation__logo {
    font-size: var(--font-size-lg);
  }
  
  .hero {
    min-height: 80vh;
    padding: var(--spacing-8) 0;
  }
  
  .hero__title-main {
    font-size: var(--font-size-3xl);
  }
  
  .hero__title-sub {
    font-size: var(--font-size-base);
  }
  
  .hero__slogan {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-6);
  }
  
  .hero__actions {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  
  .button {
    width: 100%;
    justify-content: center;
  }
  
  .news__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .news__item {
    padding: var(--spacing-4);
  }
  
  .about-preview__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .about-preview__image {
    order: -1;
  }
  
  .achievements-highlights__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }
  
  .achievement-card {
    padding: var(--spacing-4);
  }
  
  .achievement-card__icon {
    font-size: var(--font-size-3xl);
  }
  
  .achievement-card__title {
    font-size: var(--font-size-base);
  }
  
  .achievement-card__description {
    font-size: var(--font-size-xs);
  }
  
  .cta__title {
    font-size: var(--font-size-2xl);
  }
  
  .cta__description {
    font-size: var(--font-size-base);
  }
  
  .cta__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .page-header {
    padding: calc(var(--spacing-16) + 60px) 0 var(--spacing-12);
  }
  
  .page-header__title {
    font-size: var(--font-size-3xl);
  }
  
  .page-header__subtitle {
    font-size: var(--font-size-base);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .footer__links {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .footer__brand {
    text-align: center;
  }
  
  .footer__bottom {
    text-align: center;
  }
}

/* Extra Small Mobile (480px and below) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-2);
  }
  
  .navigation__container {
    padding: var(--spacing-2);
  }
  
  .hero__title-main {
    font-size: var(--font-size-2xl);
  }
  
  .hero__title-sub {
    font-size: var(--font-size-sm);
  }
  
  .hero__slogan {
    font-size: var(--font-size-sm);
  }
  
  .achievements-highlights__grid {
    grid-template-columns: 1fr;
  }
  
  .news__item {
    padding: var(--spacing-3);
  }
  
  .achievement-card {
    padding: var(--spacing-3);
  }
  
  .cta__title {
    font-size: var(--font-size-xl);
  }
  
  .page-header__title {
    font-size: var(--font-size-2xl);
  }
}

/* ===== Navigation Toggle Animation ===== */
@media (max-width: 1199px) {
  .navigation__toggle--active .navigation__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .navigation__toggle--active .navigation__toggle-line:nth-child(2) {
    opacity: 0;
  }
  
  .navigation__toggle--active .navigation__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

/* ===== Print Styles ===== */
@media print {
  .navigation,
  .hero__scroll-indicator,
  .cta,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-8) 0;
  }
  
  .section {
    padding: var(--spacing-4) 0;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
  
  .button {
    border: 1px solid black;
    background: white;
    color: black;
  }
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: high) {
  :root {
    --color-primary-dark: #000000;
    --color-primary-medium: #1a1a1a;
    --color-accent-blue: #0066cc;
    --color-accent-purple: #6600cc;
    --color-white: #ffffff;
    --color-medium-gray: #666666;
  }
  
  .button {
    border-width: 3px;
  }
  
  .navigation__link {
    border: 1px solid transparent;
  }
  
  .navigation__link:hover,
  .navigation__link--active {
    border-color: var(--color-accent-blue);
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero__scroll-arrow {
    animation: none;
  }
  
  .hero__particles {
    display: none;
  }
}

/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
  /* Already using dark theme as default */
}

/* ===== Light Mode Override (if needed) ===== */
@media (prefers-color-scheme: light) {
  /* Keep dark theme as per design requirements */
}