/* ============================================================
   ≤ 480px — MOBILE SMALL
   ============================================================ */
@media (max-width: 480px) {

    .header { padding: 12px 20px; }
    .logo-img { height: 38px; }
    .main-menu { font-size: 13px; }
    .main-menu li { margin-right: 10px; }
    .nav-actions { gap: 10px; }
    .theme-toggle { width: 17px; height: 17px; }
    .hamburger-menu { width: 20px; height: 16px; }
    .hamburger-menu.active .bar:nth-child(1) { transform: rotate(-45deg) translate(-4px, 6px); }
    .hamburger-menu.active .bar:nth-child(3) { transform: rotate(45deg) translate(-4px, -6px); }
    .dropdown-menu { top: 50px; right: 20px; min-width: 120px; padding: 6px 8px; }
    .dropdown-menu li { padding: 6px 14px; }
    .sub-item { font-size: 13px; }

    .main-footer { padding: 0 20px; margin-bottom: 20px; }
    .footer { flex-direction: column; align-items: flex-start; gap: 8px; height: auto; padding: 16px 20px; border-radius: 12px; max-width: 100%; }
    .footer-highlight { font-size: 14px; }
}

/* ============================================================
   481px – 768px — MOBILE LARGE
   ============================================================ */
@media (min-width: 481px) and (max-width: 768px) {

    .header { padding: 14px 28px; }
    .logo-img { height: 44px; }
    .main-menu { font-size: 14px; }
    .main-menu li { margin-right: 14px; }
    .nav-actions { gap: 12px; }
    .theme-toggle { width: 19px; height: 19px; }
    .hamburger-menu { width: 22px; height: 18px; }
    .hamburger-menu.active .bar:nth-child(1) { transform: rotate(-45deg) translate(-4px, 7px); }
    .hamburger-menu.active .bar:nth-child(3) { transform: rotate(45deg) translate(-4px, -7px); }
    .dropdown-menu { top: 54px; right: 28px; min-width: 130px; padding: 8px 10px; }
    .dropdown-menu li { padding: 6px 20px; }
    .sub-item { font-size: 14px; }

    .main-footer { padding: 0 28px; margin-bottom: 24px; }
    .footer { flex-direction: column; align-items: flex-start; gap: 10px; height: auto; padding: 18px 24px; border-radius: 12px; max-width: 100%; }
    .footer-highlight { font-size: 15px; }
}

/* ============================================================
   769px – 920px — TABLET SMALL / LANDSCAPE MOBILE
   ============================================================ */
@media (min-width: 769px) and (max-width: 920px) {

    .header { padding: 16px 36px; }
    .logo-img { height: 50px; }
    .main-menu { font-size: 16px; }
    .main-menu li { margin-right: 20px; }
    .nav-actions { gap: 14px; }
    .theme-toggle { width: 20px; height: 20px; }
    .dropdown-menu { top: 60px; right: 36px; min-width: 135px; }
    .dropdown-menu li { padding: 7px 40px; }
    .sub-item { font-size: 15px; }

    .main-footer { padding: 0 36px; margin-bottom: 28px; }
    .footer { flex-direction: row; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; height: auto; padding: 20px 28px; border-radius: 14px; max-width: 100%; }
    .footer-highlight { font-size: 16px; }
}

/* ============================================================
   921px – 1023px — TABLET LARGE
   ============================================================ */
@media (min-width: 921px) and (max-width: 1023px) {

    .header { padding: 18px 48px; }
    .logo-img { height: 56px; }
    .main-menu { font-size: 17px; }
    .main-menu li { margin-right: 24px; }
    .dropdown-menu { top: 64px; right: 48px; min-width: 140px; }
    .dropdown-menu li { padding: 8px 50px; }
    .sub-item { font-size: 15px; }

    .main-footer { padding: 0 48px; margin-bottom: 32px; }
    .footer { flex-direction: row; justify-content: space-between; align-items: center; gap: 20px; height: 70px; padding: 0 32px; border-radius: 14px; max-width: 100%; }
    .footer-highlight { font-size: 18px; }
}


/* ============================================================
   1024px – 1239px — DESKTOP SMALL
   ============================================================ */
@media (min-width: 1024px) and (max-width: 1239px) {

   .main-footer { padding: 0; margin-top: 80px; }
    .footer { gap: 180px; width: 1140px; max-width: calc(100% - 100px); height: 80px; border-radius: 14px; }
    .footer-highlight { font-size: 20px; }
}

/* ============================================================
   1240px – 1444px — DESKTOP STANDARD (TARGET DESIGN)
   ============================================================ */
@media (min-width: 1240px) and (max-width: 1444px) {

    .header { padding: 20px 60px; }
    .logo-img { height: 65px; }
    .main-menu { font-size: 20px; }
    .main-menu li { margin-right: 30px; }
    .dropdown-menu { top: 70px; right: 60px; min-width: 150px; }
    .dropdown-menu li { padding: 8px 85px; }
    .sub-item { font-size: 16px; }

    .main-footer { padding: 0 60px; margin-top: 80px; margin-bottom: 40px; }
    .footer { 
        gap: 40px; 
        width: 100%; 
        max-width: 100%; 
        height: auto; 
        padding: 24px 40px;
        border-radius: 14px;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }
    .footer-highlight { font-size: 18px; }
}

/* ============================================================
   1445px+ — WIDE DESKTOP
   ============================================================ */
@media (min-width: 1445px) {

    .header { padding: 24px 80px; }
    .logo-img { height: 70px; }
    .main-menu { font-size: 20px; }
    .main-menu li { margin-right: 36px; }
    .dropdown-menu { top: 74px; right: 80px; min-width: 155px; }
    .dropdown-menu li { padding: 8px 90px; }
    .sub-item { font-size: 16px; }

    .main-footer { padding: 0; margin-top: 120px; }
    .footer { gap: 320px; width: 1600px; max-width: calc(100% - 160px); height: 70px; border-radius: 14px; }
    .footer-highlight { font-size: 26px; }
}