/* product style for ais */
:root{--navy:#002856;--blue:#0066b3;--blue-light:#e8f4fd;--red:#e31837;--white:#fff;--gray-100:#f0f4f6;--gray-200:#e2e8f0;--gray-500:#64748b;--gray-800:#1e293b;--wa:#25D366;--radius:12px;--radius-lg:20px;--max:1140px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Poppins', sans-serif;color:var(--gray-800);background:var(--white);line-height:1.6}
img{max-width:100%;height:auto;display:block}
.container{margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-label{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:8px}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.2;color:var(--navy);margin-bottom:16px}
.section-desc{font-size:16px;color:var(--gray-500);max-width:640px;line-height:1.7}
.nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--navy);padding:10px 24px}

.nav-logo{font-size:22px;font-weight:800;color:var(--navy)}
.nav-cta{background:var(--wa);color:#fff;padding:10px 20px;border-radius:50px;font-size:14px;font-weight:600;text-decoration:none;display:flex;align-items:center;gap:6px}
.hero{background:linear-gradient(135deg,var(--navy)0%,#001a3d 100%);color:var(--white);position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:url('https://www.coway.com.my/files/Products/water-purifier/ais/coway-ais-water-purifier-with-ice-making-feature.jpg') center/cover no-repeat;opacity:.25}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-badge{display:inline-block;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);padding:6px 16px;border-radius:50px;font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.hero-promo-badge{display:inline-block;background:var(--red);color:#fff;padding:8px 20px;border-radius:50px;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.hero h1{font-size:clamp(36px,5vw,56px);font-weight:800;line-height:1.05;letter-spacing:-.02em;margin-bottom:8px}
.hero-model{font-size:16px;color:rgba(255,255,255,.6);font-weight:500;letter-spacing:.04em;margin-bottom:4px}
.hero-tagline{font-size:18px;color:rgba(255,255,255,.8);margin-bottom:32px;max-width:400px}
.hero-pricing{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.hero-price{font-size:48px;font-weight:800;letter-spacing:-.02em}
.hero-price-unit{font-size:16px;color:rgba(255,255,255,.6)}
.hero-original{font-size:16px;color:rgba(255,255,255,.5);text-decoration:line-through}
.hero-cta{display:inline-flex;align-items:center;gap:10px;background:var(--wa);color:#fff;padding:16px 36px;border-radius:50px;font-size:17px;font-weight:700;text-decoration:none;transition:all .3s;box-shadow:0 4px 20px rgba(37,211,102,.35)}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(37,211,102,.45)}
.hero-image{display:flex;align-items:center;justify-content:center}
.hero-image img{max-height:420px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.3))}
.img-text{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.img-text.reverse{direction:rtl}
.img-text.reverse>*{direction:ltr}
.img-text-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 8px 40px rgba(0,0,0,.08)}
.img-text-image img{width:100%}
.colors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px;margin-top:32px;max-width:500px;margin-left:auto;margin-right:auto}
.color-card{text-align:center;background:var(--gray-100);border-radius:var(--radius-lg);padding:32px 24px;border:2px solid transparent;transition:border-color .3s}
.color-card:hover{border-color:var(--blue)}
.color-swatch{width:80px;height:80px;border-radius:50%;margin:0 auto 16px;box-shadow:0 4px 16px rgba(0,0,0,.1)}
.color-name{font-size:16px;font-weight:600;color:var(--navy)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.feature-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 40px rgba(0,0,0,.08);border-color:var(--blue-light)}
.feature-card img{width:120px;margin:0 auto 20px}
.feature-name{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:8px}
.feature-desc{font-size:14px;color:var(--gray-500);line-height:1.6}
.filter-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-top:40px}
.filter-step{text-align:center;padding:32px 20px;background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200)}
.filter-step img{width:64px;margin:0 auto 20px}
.filter-step-num{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.06em;margin-bottom:8px}
.filter-step h4{font-size:15px;font-weight:700;color:var(--navy);margin-bottom:8px;line-height:1.3}
.filter-step p{font-size:13px;color:var(--gray-500);line-height:1.5}
.filter-code{font-size:11px;color:#94a3b8;margin-top:6px}
.specs-table{width:100%;border-collapse:collapse;margin-top:32px}
.specs-table th,.specs-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--gray-200)}
.specs-table th{width:220px;font-size:14px;font-weight:600;color:var(--gray-500);background:var(--gray-100);white-space:nowrap}
.specs-table td{font-size:15px;color:var(--gray-800);line-height:1.6}
.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.pricing-card{background:var(--white);border:2px solid var(--gray-200);border-radius:var(--radius-lg);padding:36px 28px;transition:all .3s}
.pricing-card.featured{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 8px 40px rgba(0,0,0,.08);position:relative}
.pricing-card.featured::before{content:'POPULAR';position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;padding:4px 20px;border-radius:50px;font-size:12px;font-weight:700;letter-spacing:.04em}
.pricing-type{font-size:14px;font-weight:600;color:var(--blue);letter-spacing:.04em;margin-bottom:8px;text-transform:uppercase}
.pricing-amount{font-size:42px;font-weight:800;color:var(--navy)}
.pricing-unit{font-size:14px;color:#94a3b8;font-weight:500}
.pricing-bonus{display:inline-block;background:var(--blue-light);color:var(--blue);padding:6px 14px;border-radius:50px;font-size:13px;font-weight:600;margin:12px 0}
.pricing-list{list-style:none;margin-top:16px}
.pricing-list li{padding:8px 0;font-size:14px;color:var(--gray-500);border-bottom:1px solid var(--gray-100);display:flex;justify-content:space-between}
.pricing-list li:last-child{border-bottom:none}
.pricing-list .price-val{font-weight:600;color:var(--navy)}
.heart-service{background:linear-gradient(135deg,#f0f7ff 0%,#e8f4fd 100%);text-align:center}
.heart-service img{max-width:500px;margin:0 auto 24px}
.ar-section{background:var(--navy);color:#fff;text-align:center}
.ar-section .section-title{color:#fff}
.ar-stores{display:flex;gap:16px;justify-content:center;margin-top:24px}
.ar-stores img{height:44px}
.disclaimer{font-size:12px;color:#94a3b8;line-height:1.7;margin-top:16px}
.footer{background:var(--gray-100);border-top:1px solid var(--gray-200);padding:40px 0;text-align:center}
.footer-links{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.footer-links a{font-size:13px;color:var(--gray-500);text-decoration:none}
.footer-copy{font-size:12px;color:#94a3b8}
.float-wa{position:fixed;bottom:24px;right:24px;z-index:200;background:var(--wa);color:#fff;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:all .3s;text-decoration:none}
.float-wa:hover{transform:scale(1.1)}
.cta-section{text-align:center;background:var(--blue-light)}
@media(max-width:768px){
.section{padding:48px 0}
.hero{min-height:auto;padding:60px 0 40px}
.hero .container{grid-template-columns:1fr;gap:32px;text-align:center}
.hero-tagline{margin:0 auto 32px}
.hero-pricing{justify-content:center}
.hero-cta{margin:0 auto}
.hero-image img{max-height:300px}
.img-text{grid-template-columns:1fr;gap:32px}
.img-text.reverse{direction:ltr}
.features-grid{grid-template-columns:1fr}
.pricing-grid{grid-template-columns:1fr}
.specs-table th{width:140px;font-size:13px}
.specs-table td{font-size:13px}
.nav-logo{height:28px}
.nav-cta{padding:8px 16px;font-size:13px}
.hero h1{font-size:32px}
.hero-price{font-size:36px}
  img[style*="max-width"] { max-width: 100% !important; height: auto; }
}
@media(max-width:480px){.container{padding:0 16px}}

  .nav-toggle {
    display: none;
    flex-direction: column;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    gap: 5px;
    z-index: 101;
  }
  .nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--coway-navy, #002856);
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .nav-links {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    margin: 0;
    padding: 0;
  }
  .nav-links a {
    color: #fff;
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    transition: background 0.2s;
    white-space: nowrap;
  }
  .nav-links a:hover { background: rgba(255,255,255,0.15); }
  .nav-cta {
    background: var(--coway-green, #00a859);
    color: white !important;
    padding: 0.4rem 1rem !important;
    border-radius: 50px !important;
    font-weight: 600 !important;
  }
  @media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
      position: fixed;
      top: 0;
      right: 0;
      width: 260px;
      height: 100vh;
      background: white;
      flex-direction: column;
      padding: 80px 24px 24px;
      box-shadow: -4px 0 20px rgba(0,0,0,0.1);
      transform: translateX(100%);
      transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
      z-index: 100;
      gap: 0.25rem;
      align-items: stretch;
    }
    .nav-links.open { transform: translateX(0); }
    .nav-links a { font-size: 0.95rem; padding: 0.75rem 1rem; color: var(--navy); }
  }
  .footer {
    background: var(--coway-navy, #002856);
    color: rgba(255,255,255,0.8);
    padding: 2rem 1.5rem;
    text-align: center;
    margin-top: 2rem;
    font-size: 0.85rem;
  }
  .footer p { margin: 0.25rem 0; }
  .footer a { color: rgba(255,255,255,0.8); }
  .footer-social { margin: 1rem 0; display: flex; gap: 1rem; justify-content: center; }
  .footer-social a { opacity: 0.8; transition: opacity 0.2s; }
  .nav {
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .nav-logo { height: 36px; }
  .nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    flex-wrap: wrap;
  }
  .nav-links a {
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    text-decoration: none;
    color: #1a1a1a;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.2s;
  }
  .nav-links a:hover { background: #e8f4fd; color: #002856; }
  .nav-cta {
    background: #00a859;
    color: #ffffff;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
  }
  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    z-index: 101;
  }
  .nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #002856;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.22,1,0.36,1);
  }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
  @media (max-width: 768px) {
    .nav { position: relative; }
    .nav-toggle { display: flex; }
    .nav-links {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: #ffffff;
      flex-direction: column;
      padding: 0.75rem 1.5rem;
      border-bottom: 3px solid #002856;
      box-shadow: 0 12px 32px rgba(0,0,0,0.12);
      gap: 0;
    }
    .nav-links.open { display: flex; }
    .nav-links li { width: 100%; }
    .nav-links a {
      display: block;
      padding: 0.75rem 0.25rem;
      border-bottom: 1px solid #e0e0e0;
      font-size: 0.95rem;
      font-weight: 500;
    }
    .nav-links a.nav-cta {
      margin-top: 0.5rem;
      text-align: center;
      border-radius: 8px;
      border-bottom: none;
      padding: 0.75rem;
    }
  }