/*
 AXOMPREP MOBILE OPTIMIZATION
 Append this file after styles.css or load it after styles.css.
 Desktop layout is intentionally untouched.
*/

@media (max-width: 900px) {
  html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .topbar {
    height: 62px;
    padding: 0 16px;
  }

  .brand {
    font-size: 19px;
    gap: 7px;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
    border-radius: 8px;
  }

  .menu {
    display: block;
    width: 42px;
    height: 42px;
    padding: 0;
    color: #102e59;
    font-size: 25px;
    line-height: 1;
  }

  .mobile-nav {
    display: none;
    padding: 8px 16px 12px;
    background: #fff;
    border-top: 1px solid #edf1f5;
    box-shadow: 0 8px 20px rgba(20,50,85,.08);
  }

  .mobile-nav.open {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 8px;
  }

  .mobile-nav a {
    display: block;
    padding: 11px 8px;
    border-radius: 8px;
    color: #173b69;
    font-size: 12px;
    font-weight: 700;
  }

  .mobile-nav a:active {
    background: #eef4fb;
  }

  .hero {
    min-height: auto;
    padding: 34px 18px 28px;
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: left;
  }

  .hero h1 {
    font-size: clamp(36px, 10vw, 46px);
    line-height: 1.02;
    letter-spacing: -1.8px;
    margin-bottom: 14px;
  }

  .hero p {
    font-size: 14px;
    line-height: 1.6;
    margin-top: 0;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin: 20px 0;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 46px;
    padding: 12px 10px;
    font-size: 12px;
  }

  .trust {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
    font-size: 10px;
  }

  .hero-card {
    width: 100%;
    padding: 18px;
    border-radius: 18px;
    transform: none;
  }

  .quiz-visual {
    margin: 26px 0;
    gap: 12px;
  }

  .quiz-visual h3 {
    font-size: 17px;
  }

  .qbadge {
    width: 48px;
    height: 48px;
    border-radius: 13px;
    font-size: 20px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    padding: 0 14px;
  }

  .stats div {
    min-height: 72px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8px 12px !important;
    border-right: 1px solid #ffffff22;
    border-bottom: 1px solid #ffffff22;
  }

  .stats div:nth-child(2n) {
    border-right: 0;
  }

  .stats div:nth-last-child(-n+2) {
    border-bottom: 0;
  }

  .stats b {
    font-size: 17px;
  }

  .stats span {
    font-size: 10px;
    margin-top: 3px;
  }

  .section {
    padding: 42px 16px;
  }

  .section-head {
    display: block;
    margin-bottom: 20px;
  }

  .section h2,
  .center h2 {
    font-size: 27px;
    line-height: 1.15;
  }

  .section-head p,
  .center p {
    font-size: 12px;
    line-height: 1.55;
  }

  .section-head > a {
    display: inline-block;
    margin-top: 8px;
    font-size: 11px;
  }

  .exam-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .exam-card,
  .mock-card,
  .book-card,
  .price-grid article {
    padding: 16px;
    border-radius: 13px;
  }

  .exam-card h3 {
    margin: 13px 0 5px;
    font-size: 14px;
    line-height: 1.25;
  }

  .exam-card p,
  .mock-card p,
  .book-card p {
    font-size: 10px;
    line-height: 1.45;
  }

  .subject-grid {
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }

  .subject-grid button,
  .subject-grid .subject-card {
    min-height: 82px;
    padding: 13px;
  }

  .subject-grid .subject-card {
    padding-left: 50px;
  }

  .subject-icon {
    left: 12px;
    top: 13px;
    width: 29px;
    height: 29px;
    font-size: 14px;
  }

  .daily {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 25px 20px;
    border-radius: 17px;
  }

  .daily-copy {
    min-width: 0;
    flex: 1;
  }

  .daily h2 {
    font-size: 25px;
    line-height: 1.15;
  }

  .daily p {
    font-size: 11px;
    line-height: 1.5;
  }

  .quiz-perks {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    font-size: 9px;
  }

  .daily-visual {
    flex: 0 0 auto;
    flex-direction: column;
    gap: 8px;
  }

  .daily-badge {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    font-size: 19px;
  }

  .score-ring {
    width: 78px;
    height: 78px;
    border-width: 6px;
  }

  .score-ring b {
    font-size: 22px;
  }

  .score-ring span {
    font-size: 9px;
  }

  .mock-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .mock-card h3 {
    font-size: 14px;
    line-height: 1.25;
  }

  .mock-card .btn {
    width: 100%;
    padding: 9px 8px;
    font-size: 10px;
  }

  .news-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .news-card {
    padding: 14px;
    border-radius: 12px;
  }

  .news-card h3 {
    font-size: 13px;
    line-height: 1.35;
  }

  .news-card p {
    font-size: 10px;
    line-height: 1.45;
  }

  .book-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .book-cover {
    height: 125px;
    min-height: 125px;
    border-radius: 9px;
    font-size: 18px;
  }

  .book-card h3 {
    font-size: 13px;
    line-height: 1.3;
  }

  .affiliate {
    padding: 7px 8px;
    font-size: 9px;
    margin-right: 3px;
  }

  .price-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .price-grid article {
    padding: 18px 14px;
  }

  .price-grid h3 {
    font-size: 30px;
  }

  .price-grid ul {
    font-size: 10px;
    line-height: 1.7;
    padding-left: 17px;
  }

  .cta {
    margin: 38px 16px;
    padding: 28px 22px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .cta h2 {
    font-size: 25px;
    line-height: 1.15;
  }

  .cta p {
    font-size: 11px;
    line-height: 1.45;
  }

  .cta .btn {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  footer {
    padding: 30px 18px 20px;
    gap: 20px;
  }

  footer .brand {
    font-size: 18px;
  }
}

@media (max-width: 600px) {
  .topbar {
    height: 58px;
  }

  .brand {
    font-size: 18px;
  }

  .hero {
    padding: 28px 15px 24px;
    gap: 20px;
  }

  .eyebrow {
    font-size: 9px;
    letter-spacing: 1px;
  }

  .hero h1 {
    font-size: 35px;
  }

  .hero p {
    font-size: 13px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  .trust {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .hero-card {
    padding: 15px;
  }

  .stats {
    padding: 0 10px;
  }

  .stats div {
    min-height: 66px;
    padding: 7px 9px !important;
  }

  .stats b {
    font-size: 15px;
  }

  .stats span {
    font-size: 9px;
  }

  .section {
    padding: 34px 14px;
  }

  .section h2,
  .center h2 {
    font-size: 24px;
  }

  .exam-grid,
  .subject-grid,
  .mock-grid,
  .news-grid,
  .book-grid {
    grid-template-columns: 1fr 1fr;
  }

  .exam-card,
  .mock-card {
    padding: 13px;
  }

  .exam-card h3,
  .mock-card h3 {
    font-size: 12px;
  }

  .exam-card p,
  .mock-card p {
    font-size: 9px;
  }

  .subject-grid .subject-card {
    min-height: 76px;
    padding: 11px 8px 10px 45px;
  }

  .subject-icon {
    left: 9px;
    top: 11px;
  }

  .subject-name {
    font-size: 11px;
  }

  .subject-grid small {
    font-size: 8px;
  }

  .subject-grid .subject-card b {
    font-size: 9px;
  }

  .daily {
    display: block;
    padding: 22px 17px;
  }

  .daily-visual {
    flex-direction: row;
    justify-content: flex-start;
    margin-top: 18px;
  }

  .score-ring {
    width: 68px;
    height: 68px;
  }

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

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

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

  .price-grid h3 {
    font-size: 27px;
  }

  .cta {
    display: block;
    margin: 32px 14px;
  }

  .cta .btn {
    margin-top: 14px;
    width: 100%;
  }

  .modal-box {
    width: calc(100vw - 28px);
    padding: 22px;
  }
}

@media (max-width: 380px) {
  .exam-grid,
  .subject-grid,
  .mock-grid,
  .price-grid {
    grid-template-columns: 1fr;
  }

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

  .hero h1 {
    font-size: 32px;
  }
}