/* ============================================================
   assets/kalkulator.css — Gaya khusus halaman Kalkulator
   (kalkulator-coway.php). Header/nav/footer sudah ditangani
   assets/style.css bersama. Class tombol submit kalkulator
   diganti jadi .calc-btn-primary supaya tidak bentrok dengan
   .btn-primary global di assets/style.css.
   ============================================================ */

  :root{
    --blue-dark:#0b3d78;
    --blue:#1465c7;
    --blue-light:#eaf2fc;
    --gold:#d9a441;
    --ink:#0f1e33;
    --muted:#5b6b80;
    --line:#e2e8f0;
    --green:#1f8a4c;
    --green-bg:#eafaf0;
    --red:#d92b2b;
    --radius:14px;
  }
  *{box-sizing:border-box;}
  body{
    margin:0;
    font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,Arial,sans-serif;
    color:var(--ink);
    background:#f6f8fb;
  }
  a{color:inherit;}


  /* ===== HERO ===== */
  .hero{
    background:#fff;
    padding:32px 24px 40px;
  }
  .hero-inner{
    max-width:1280px;
    margin:0 auto;
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:32px;
    align-items:center;
  }
  .brand{
    display:flex;
    align-items:baseline;
    gap:8px;
    font-weight:800;
    font-size:28px;
    color:var(--blue);
    margin-bottom:18px;
    text-decoration:none;
  }
  .brand span{
    font-size:13px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.5px;
  }
  .hero h1{
    font-size:clamp(28px,3.6vw,42px);
    line-height:1.2;
    margin:0 0 6px;
    font-weight:800;
    color:var(--ink);
  }
  .hero h1 .accent{color:var(--blue);}
  .hero p{
    color:var(--muted);
    font-size:16px;
    max-width:520px;
    margin-top:14px;
  }
  .hero-media{
    background:linear-gradient(135deg,#eef3f9,#dbe6f2);
    border-radius:20px;
    min-height:280px;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    position:relative;
  }
  .hero-media img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
  }
  .placeholder{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:8px;
    color:#7c8ba0;
    font-size:14px;
    text-align:center;
    padding:20px;
  }
  .placeholder .icon{font-size:34px;}

  /* ===== MAIN GRID ===== */
  .wrap{
    max-width:1280px;
    margin:-8px auto 0;
    padding:0 24px 40px;
    display:grid;
    grid-template-columns:340px 1fr 300px;
    gap:20px;
  }
  .card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:22px;
  }
  .card h2{
    font-size:17px;
    color:var(--blue);
    margin:0 0 18px;
    font-weight:800;
  }

  /* ---- form ---- */
  label{
    display:block;
    font-size:13px;
    font-weight:600;
    color:var(--ink);
    margin:16px 0 6px;
  }
  label:first-of-type{margin-top:0;}
  select, input[type=number]{
    width:100%;
    padding:11px 12px;
    border:1px solid var(--line);
    border-radius:10px;
    font-size:14px;
    color:var(--ink);
    background:#fff;
  }
  select:focus, input:focus{outline:2px solid var(--blue);outline-offset:1px;}
  .toggle{
    display:flex;
    background:#f1f4f8;
    border-radius:10px;
    padding:4px;
    gap:4px;
  }
  .toggle button{
    flex:1;
    border:none;
    background:transparent;
    padding:10px 8px;
    border-radius:8px;
    font-size:13px;
    font-weight:700;
    color:var(--muted);
    cursor:pointer;
  }
  .toggle button.active{
    background:var(--blue);
    color:#fff;
  }
  .calc-btn-primary{
    width:100%;
    margin-top:22px;
    padding:14px;
    background:var(--blue);
    color:#fff;
    border:none;
    border-radius:10px;
    font-size:15px;
    font-weight:800;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
  }
  .calc-btn-primary:hover{background:var(--blue-dark);}

  /* ---- results ---- */
  .compare{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
  }
  .compare-col{
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
  }
  .compare-head{
    padding:12px;
    text-align:center;
    font-weight:800;
    font-size:13px;
    color:#fff;
  }
  .compare-head.galon{background:#8a96a8;}
  .compare-head.coway{background:var(--blue);}
  .compare-body{padding:18px 14px 20px;text-align:center;}
  .prod-img{
    width:100%;
    height:120px;
    border-radius:10px;
    background:var(--blue-light);
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:14px;
    overflow:hidden;
  }
  .prod-img img{width:100%;height:100%;object-fit:contain;}
  .prod-img .placeholder{color:#9fb2c9;}
  .stat-label{font-size:12.5px;color:var(--muted);margin-top:10px;}
  .stat-value{font-size:20px;font-weight:800;margin-top:2px;}
  .stat-value.big{font-size:24px;}
  .stat-value.red{color:var(--red);}
  .stat-value.blue{color:var(--blue);}
  hr.thin{border:none;border-top:1px solid var(--line);margin:14px 0;}

  .savings{
    margin-top:16px;
    background:var(--green-bg);
    border:1px solid #c9ecd7;
    border-radius:12px;
    padding:18px 20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px;
  }
  .savings .label{font-weight:800;color:var(--green);font-size:14px;line-height:1.3;}
  .savings .amount{font-size:26px;font-weight:900;color:var(--green);}
  .savings .pct{font-size:13px;color:var(--muted);margin-top:2px;}

  /* ---- advantages ---- */
  .adv-item{
    display:flex;
    gap:12px;
    margin-bottom:18px;
  }
  .adv-item .ic{
    width:42px;height:42px;
    border-radius:50%;
    background:var(--blue-light);
    color:var(--blue);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;
    flex-shrink:0;
  }
  .adv-item h3{margin:0 0 4px;font-size:14px;font-weight:800;}
  .adv-item p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.5;}
  .promo-box{
    background:var(--blue-dark);
    border-radius:12px;
    padding:16px;
    color:#fff;
    display:flex;
    gap:10px;
    align-items:flex-start;
    margin-top:6px;
  }
  .promo-box p{margin:0 0 10px;font-size:13px;line-height:1.4;}
  .wa-btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:#25D366;
    color:#fff;
    text-decoration:none;
    padding:9px 14px;
    border-radius:8px;
    font-weight:800;
    font-size:13px;
  }

  /* ===== FOOTER BAR ===== */
  .footbar{
    background:var(--blue-dark);
    color:#fff;
    padding:22px 24px;
  }
  .footbar-inner{
    max-width:1280px;
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .foot-item{display:flex;align-items:center;gap:12px;}
  .foot-ic{
    width:40px;height:40px;border-radius:50%;
    background:rgba(255,255,255,.12);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;flex-shrink:0;
  }
  .foot-item h4{margin:0;font-size:13px;font-weight:800;}
  .foot-item span{font-size:12px;color:#c7d7ec;}

  @media (max-width:980px){
    .hero-inner{grid-template-columns:1fr;}
    .wrap{grid-template-columns:1fr;}
    .footbar-inner{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:520px){
    .footbar-inner{grid-template-columns:1fr;}
    .compare{grid-template-columns:1fr;}
  }
</style>