/* ============================================
   British Institute - Material 3 Responsive
   ============================================ */

/* Tablet: 768px - 1024px */
@media (max-width: 1024px) {
  .m3-courses-grid,
  .m3-testimonials-grid,
  .m3-why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .m3-carousel-slide {
    flex: 0 0 65%;
  }

  .m3-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .m3-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .m3-about-snippet {
    gap: 48px;
  }

  .m3-course-detail-card {
    grid-template-columns: 180px 1fr;
  }

  .m3-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .m3-testimonials-masonry {
    columns: 2;
  }

  .m3-hero h1 {
    font: var(--md-sys-typescale-display-medium);
  }
}

/* Mobile: < 768px */
@media (max-width: 768px) {
  .m3-nav-mobile-icons {
    display: flex;
    margin-left: auto;
  }

  .m3-speed-dial {
    display: flex;
  }

  .m3-nav-menu {
    display: none;
  }

  .m3-hero h1 {
    font: var(--md-sys-typescale-headline-large);
  }

  .m3-hero p {
    font: var(--md-sys-typescale-body-medium);
  }

  .m3-hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .m3-about-snippet {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .m3-about-image {
    height: 280px;
  }

  .m3-courses-grid,
  .m3-testimonials-grid,
  .m3-why-us-grid {
    grid-template-columns: 1fr;
  }

  .m3-carousel {
    padding: 0 0 12px;
  }

  .m3-carousel-track {
    padding: 16px 16px;
    gap: 12px;
  }

  .m3-carousel-slide {
    flex: 0 0 80%;
  }

  .m3-carousel-arrow {
    width: 38px;
    height: 38px;
  }

  .m3-video-caption {
    padding: 14px 16px 18px;
  }

  .m3-video-name {
    font: var(--md-sys-typescale-title-small);
  }

  .m3-video-role {
    font: var(--md-sys-typescale-body-small);
    font-size: 0.7rem;
  }

  .m3-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .m3-stat-item h3 {
    font: var(--md-sys-typescale-headline-medium);
  }

  .m3-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .m3-course-detail-card {
    grid-template-columns: 1fr;
  }

  .m3-course-detail-icon {
    min-height: 160px;
  }

  .m3-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .m3-testimonials-masonry {
    columns: 1;
  }

  .m3-contact-grid {
    grid-template-columns: 1fr;
  }

  .m3-form-row {
    grid-template-columns: 1fr;
  }

  .m3-page-hero h1 {
    font: var(--md-sys-typescale-headline-large);
  }

  .m3-section-header h2 {
    font: var(--md-sys-typescale-headline-small);
  }

  .m3-section {
    padding: 64px 0;
  }

  .m3-cta-banner h2 {
    font: var(--md-sys-typescale-headline-small);
  }

  .m3-lightbox-content {
    max-width: 95vw;
  }

  .m3-lightbox-content img {
    max-width: 95vw;
    max-height: 75vh;
  }

  .m3-about-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .m3-about-image-placeholder {
    height: 280px;
  }

  .m3-about-content.m3-about-content-reverse {
    direction: ltr;
  }

  .m3-about-content.m3-about-content-reverse > * {
    direction: ltr;
  }

  /* Multi-Browse Carousel Mobile */
  .m3-mb-carousel.m3-edge-to-edge {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .m3-mb-carousel.m3-edge-to-edge .m3-mb-track {
    padding-left: 16px;
    padding-right: 16px;
  }

  .m3-mb-item {
    height: 200px;
  }

  .m3-mb-item[data-size="large"] {
    flex: 0 0 auto;
    opacity: 1;
    pointer-events: auto;
  }

  .m3-mb-item[data-size="small"] {
    flex: 0 0 auto;
    opacity: 0.85;
    pointer-events: auto;
  }

  .m3-mb-item[data-size="small"] .m3-video-wrapper {
    aspect-ratio: 9 / 18;
  }

  .m3-carousel-controls {
    justify-content: center;
    margin-top: 16px;
  }

  .m3-carousel-btn {
    width: 40px;
    height: 40px;
  }

  /* FAB Menu - Mobile */
  .m3-fab-menu {
    bottom: 16px;
    right: 16px;
    gap: 12px;
  }

  .m3-fab-menu-trigger {
    width: 56px;
    height: 56px;
  }

  .m3-fab-menu-mini {
    width: 40px;
    height: 40px;
  }

  .m3-fab-menu-label {
    display: none;
  }

  /* Standalone scroll-to-top FAB - Mobile */
  .m3-fab-scroll-top-float {
    bottom: 16px;
    right: 16px;
  }

  /* Test Section Mobile */
  .test-area {
    padding: 0;
    display: flex;
    flex-direction: column;
  }

  .test-top-bar {
    padding: 12px 20px 8px;
    flex-shrink: 0;
  }

  .test-progress {
    margin-bottom: 10px;
  }

  .test-progress-bar {
    height: 6px;
    margin-bottom: 6px;
  }

  .test-progress-text {
    font: var(--md-sys-typescale-label-small);
    margin-top: 6px;
    display: block;
  }

  .test-timer {
    font: var(--md-sys-typescale-label-large);
    padding: 8px 16px;
    background: var(--md-sys-color-primary-container);
    border-radius: var(--md-sys-shape-full);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .test-question-card {
    min-height: auto;
    padding: 24px 16px;
    margin: 0 8px 20px;
    border-radius: var(--md-sys-shape-extra-large);
  }

  .test-question-number {
    font: var(--md-sys-typescale-label-medium);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .test-question-text {
    font: var(--md-sys-typescale-title-large);
    margin-bottom: 24px;
    line-height: 1.4;
  }

  .test-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .test-option {
    display: flex;
    align-items: flex-start;
    padding: 14px 12px;
    gap: 10px;
    border-radius: var(--md-sys-shape-medium);
    min-height: auto;
    border: 2px solid var(--md-sys-color-outline-variant);
    cursor: pointer;
    transition: all 0.25s var(--md-sys-motion-easing-standard);
  }

  .test-option-radio {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
  }

  .test-option.selected .test-option-radio::after {
    width: 8px;
    height: 8px;
  }

  .test-option-text {
    font: var(--md-sys-typescale-body-large);
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .test-nav-buttons {
    padding: 0 16px;
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
  }

  .test-nav-buttons .m3-btn {
    padding: 12px 32px;
    font: var(--md-sys-typescale-label-large);
    border-radius: var(--md-sys-shape-full);
    min-width: 140px;
  }
}

/* Small Mobile: < 480px */
@media (max-width: 480px) {
  .m3-hero h1 {
    font: var(--md-sys-typescale-headline-medium);
  }

  .m3-about-features {
    grid-template-columns: 1fr;
  }

  .m3-stats-grid {
    grid-template-columns: 1fr;
  }

  .m3-gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .m3-contact-form {
    padding: 24px;
  }

  .m3-courses-filter {
    gap: 8px;
  }

  .m3-chip {
    padding: 0 12px;
    height: 28px;
    font: var(--md-sys-typescale-label-small);
  }

  .m3-top-app-bar-inner {
    padding: 8px 12px;
  }

  .logo-text {
    font: var(--md-sys-typescale-title-medium);
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .m3-footer-col h3 {
    font: var(--md-sys-typescale-title-small);
  }

  .m3-cta-banner {
    padding: 64px 0;
  }

  .m3-about-content h2,
  .m3-contact-form h2 {
    font: var(--md-sys-typescale-headline-small);
  }

  .m3-popular-course-meta {
    gap: 20px;
  }

  .m3-curved-item {
    gap: 12px;
  }

  .m3-curved-item.left {
    padding-right: 52%;
  }

  .m3-curved-item.right {
    padding-left: 52%;
  }

  .m3-curved-content {
    font: var(--md-sys-typescale-body-small);
    padding: 10px 14px;
    white-space: normal;
  }

  .m3-curved-node {
    width: 34px;
    height: 34px;
    min-width: 34px;
  }

  /* Test Section Small Mobile */
  .test-question-card {
    padding: 20px 14px;
    margin: 0 6px 16px;
  }

  .test-question-number {
    font: var(--md-sys-typescale-label-small);
    margin-bottom: 10px;
  }

  .test-question-text {
    font: var(--md-sys-typescale-title-medium);
    margin-bottom: 20px;
    line-height: 1.35;
  }

  .test-options {
    gap: 10px;
  }

  .test-option {
    padding: 12px 10px;
    gap: 8px;
  }

  .test-option-radio {
    width: 18px;
    height: 18px;
  }

  .test-option.selected .test-option-radio::after {
    width: 7px;
    height: 7px;
  }

  .test-option-text {
    font: var(--md-sys-typescale-body-medium);
    line-height: 1.35;
  }

  .test-nav-buttons {
    padding: 0 14px;
    margin-bottom: 20px;
  }

  .test-nav-buttons .m3-btn {
    padding: 10px 24px;
    min-width: 120px;
  }
}