

<style>
  :root{
    --izm-red:#ee1c25;
    --izm-red-dark:#c8151d;
    --izm-text:#0d0d0d;
    --izm-border:#eeeeee;
  }
 
  *{box-sizing:border-box;}
 
  body{
    margin:0;
    font-family:'Segoe UI', Arial, Helvetica, sans-serif;
    background:#fafafa;
  }
 
  /* ===== Shell ===== */
  .izm-navbar{
    width:100%;
    background:#ffffff;
    border-bottom:1px solid var(--izm-border);
    position:relative;
    z-index:1000;
  }
 
  .izm-navbar__inner{
    max-width:1320px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 24px;
    gap:20px;
  }
 
  /* ===== Logo ===== */
  .izm-navbar__brand{
    display:flex;
    align-items:center;
    flex-shrink:0;
  }
 
  .izm-navbar__logo-img{
    height:44px;
    width:auto;
    object-fit:contain;
    display:block;
  }
 
  /* ===== Toggle ===== */
  .izm-navbar__toggle{
    display:none;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:5px;
    width:38px;
    height:38px;
    background:none;
    border:1px solid #ddd;
    border-radius:6px;
    cursor:pointer;
    flex-shrink:0;
    order:3;
  }
 
  .izm-navbar__toggle-bar{
    width:20px;
    height:2px;
    background:var(--izm-text);
    border-radius:2px;
    transition:transform .25s ease, opacity .25s ease;
  }
 
  .izm-navbar__toggle.is-active .izm-navbar__toggle-bar:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }
  .izm-navbar__toggle.is-active .izm-navbar__toggle-bar:nth-child(2){
    opacity:0;
  }
  .izm-navbar__toggle.is-active .izm-navbar__toggle-bar:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
  }
 
  /* ===== Menu ===== */
  .izm-navbar__menu{
    display:flex;
    align-items:center;
    gap:26px;
    list-style:none;
    margin:0;
    padding:0;
    flex-wrap:wrap;
    flex:1;
    justify-content:center;
  }
 
  .izm-navbar__item{
    position:relative;
  }
 
  .izm-navbar__link{
    display:flex;
    align-items:center;
    gap:6px;
    text-decoration:none;
    color:var(--izm-text);
    font-size:15px;
    font-weight:500;
    padding:10px 2px;
    white-space:nowrap;
  }
 
  .izm-navbar__link:hover{
    color:var(--izm-red);
  }
 
  .izm-navbar__caret{
    width:9px;
    height:7px;
    transition:transform .2s ease;
  }
 
  .izm-navbar__item--dropdown:hover .izm-navbar__caret,
  .izm-navbar__item--dropdown.is-open .izm-navbar__caret{
    transform:rotate(180deg);
  }
 
  .izm-navbar__dropdown{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    background:#fff;
    border:1px solid #eee;
    box-shadow:0 10px 24px rgba(0,0,0,.12);
    border-radius:8px;
    min-width:230px;
    padding:8px 0;
    list-style:none;
    margin:6px 0 0;
    z-index:1100;
  }
 
  .izm-navbar__item--dropdown:hover .izm-navbar__dropdown,
  .izm-navbar__item--dropdown.is-open .izm-navbar__dropdown{
    display:block;
  }
 
  .izm-navbar__dropdown-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:10px 18px;
    color:var(--izm-text);
    text-decoration:none;
    font-size:14.5px;
    white-space:nowrap;
  }
 
  .izm-navbar__dropdown-link:hover{
    background:#fdf1f1;
    color:var(--izm-red);
  }
 
  /* ===== Actions ===== */
  .izm-navbar__actions{
    display:flex;
    align-items:center;
    gap:16px;
    flex-shrink:0;
  }
 
  .izm-navbar__btn{
    text-decoration:none;
    font-size:15px;
    font-weight:600;
    white-space:nowrap;
  }
 
  .izm-navbar__btn--login{
    color:var(--izm-text);
  }
  .izm-navbar__btn--login:hover{
    color:var(--izm-red);
  }
 
  .izm-navbar__btn--signup{
    color:#fff;
    background:var(--izm-red);
    padding:9px 22px;
    border-radius:24px;
  }
  .izm-navbar__btn--signup:hover{
    background:var(--izm-red-dark);
  }
 
  /* ===== Overlay ===== */
  .izm-navbar__overlay{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.35);
    z-index:900;
  }
  .izm-navbar__overlay.is-active{
    display:block;
  }
 
  /* ===================================================
     RESPONSIVE
     =================================================== */
  @media (max-width:1100px){
    .izm-navbar__menu{
      gap:16px;
    }
    .izm-navbar__link{
      font-size:14px;
    }
  }
 
  @media (max-width:900px){
    .izm-navbar__toggle{
      display:flex;
    }
 
    .izm-navbar__inner{
      flex-wrap:wrap;
    }
 
    .izm-navbar__menu{
      display:none;
      flex-direction:column;
      align-items:flex-start;
      width:100%;
      position:absolute;
      top:100%;
      left:0;
      background:#fff;
      border-top:1px solid #eee;
      box-shadow:0 12px 20px rgba(0,0,0,.08);
      padding:6px 24px 14px;
      gap:0;
    }
 
    .izm-navbar__menu.is-open{
      display:flex;
    }
 
    .izm-navbar__item{
      width:100%;
      border-bottom:1px solid #f5f5f5;
    }
 
    .izm-navbar__link{
      width:100%;
      justify-content:space-between;
      padding:14px 2px;
    }
 
    .izm-navbar__dropdown{
      position:static;
      box-shadow:none;
      border:none;
      border-radius:0;
      display:none;
      padding:0 0 8px 12px;
      margin:0;
      width:100%;
    }
 
    .izm-navbar__item--dropdown.is-open .izm-navbar__dropdown{
      display:block;
    }
 
    .izm-navbar__dropdown-link{
      padding:10px 0;
      font-size:14px;
    }
 
    .izm-navbar__actions{
      display:none;
      width:100%;
      flex-direction:column;
      align-items:stretch;
      gap:12px;
      padding:16px 24px 20px;
      order:4;
    }
 
    .izm-navbar__actions.is-open{
      display:flex;
    }
 
    .izm-navbar__btn{
      width:100%;
      text-align:center;
      padding:12px 0;
    }
 
    .izm-navbar__btn--login{
      border:1px solid #eee;
      border-radius:24px;
      order:1;
    }
    .izm-navbar__btn--signup{
      order:2;
    }
  }
 
  @media (max-width:420px){
    .izm-navbar__inner{
      padding:8px 14px;
    }
    .izm-navbar__logo-img{
      height:34px;
    }
    .izm-navbar__menu, .izm-navbar__actions{
      padding-left:14px;
      padding-right:14px;
    }
  }
</style>