/* ============================================================
   HydroWasherX5Pro — Global Theme
   hydrowasherx5pro.com | Hong Kong
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Poppins:wght@700;800;900&display=swap');

:root {
  --blue:       #0077cc;
  --blue-dk:    #005fa3;
  --blue-lt:    #e8f4ff;
  --cyan:       #00b4d8;
  --cyan-lt:    #90e0ef;
  --orange:     #ff6b00;
  --orange-lt:  #fff3e8;
  --green:      #16a34a;
  --green-lt:   #dcfce7;
  --dark:       #08172e;
  --dark2:      #122640;
  --text:       #1e293b;
  --muted:      #64748b;
  --border:     #e2e8f0;
  --bg:         #f0f7ff;
  --white:      #ffffff;
  --shadow-s:   0 1px 4px rgba(0,0,0,.07);
  --shadow-m:   0 4px 18px rgba(0,119,204,.13);
  --shadow-l:   0 10px 40px rgba(0,119,204,.2);
  --r:          12px;
  --r-lg:       20px;
  --r-pill:     999px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* ─── LAYOUT ─── */
.wrap{max-width:1120px;margin:0 auto;padding:0 1.5rem}
.wrap-sm{max-width:760px;margin:0 auto;padding:0 1.5rem}
.wrap-md{max-width:960px;margin:0 auto;padding:0 1.5rem}

/* ─── BUTTONS ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.75rem 2rem;border-radius:var(--r-pill);font-family:inherit;font-weight:700;font-size:1rem;border:2.5px solid transparent;cursor:pointer;transition:all .22s ease;text-decoration:none;line-height:1.3;letter-spacing:.01em}
.btn:hover{text-decoration:none}
.btn-primary{background:linear-gradient(130deg,var(--blue) 0%,var(--cyan) 100%);color:#fff;box-shadow:var(--shadow-m)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-l);color:#fff;background:linear-gradient(130deg,var(--blue-dk) 0%,var(--blue) 100%)}
.btn-cta{background:linear-gradient(130deg,#ff6b00,#ff9900);color:#fff;font-size:1.1rem;padding:1rem 2.6rem;box-shadow:0 6px 22px rgba(255,107,0,.38);border:none}
.btn-cta:hover{transform:translateY(-3px);box-shadow:0 10px 32px rgba(255,107,0,.48);color:#fff}
.btn-outline{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn-outline:hover{background:var(--blue-lt)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-lg{font-size:1.2rem;padding:1.1rem 3rem}
.btn-full{width:100%;justify-content:center}

/* ─── PROMO BAR ─── */
.promo-bar{background:linear-gradient(90deg,var(--dark),var(--dark2));color:#fff;text-align:center;padding:.5rem 1rem;font-size:.84rem;font-weight:500}
.promo-bar strong{color:var(--cyan-lt)}

/* ─── HEADER ─── */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:9900;box-shadow:0 2px 14px rgba(0,119,204,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.85rem 0;gap:1.5rem}
.logo-link{display:flex;align-items:center;gap:.5rem;text-decoration:none;flex-shrink:0}
.logo-link:hover{text-decoration:none}
.logo-link img,.logo-link svg{height:50px;width:auto}
.nav-list{display:flex;list-style:none;gap:1.8rem;align-items:center}
.nav-list a{color:var(--text);font-weight:600;font-size:.92rem;padding:.28rem 0;position:relative;transition:color .2s}
.nav-list a::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:2.5px;background:var(--blue);border-radius:2px;transition:width .22s}
.nav-list a:hover{color:var(--blue);text-decoration:none}
.nav-list a:hover::after{width:100%}
.header-btn{flex-shrink:0}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.hamburger span{width:25px;height:3px;background:var(--blue);border-radius:3px;display:block;transition:all .3s}

/* ─── SECTION SCAFFOLDING ─── */
.sec{padding:5rem 0}
.sec-white{background:#fff}
.sec-dark{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);color:#fff;padding:5rem 0}
.sec-blue{background:linear-gradient(135deg,var(--blue) 0%,var(--cyan) 100%);color:#fff;padding:5rem 0}

.tag{display:inline-block;background:var(--blue-lt);color:var(--blue);padding:.28rem .85rem;border-radius:var(--r-pill);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.8rem}
.tag-green{background:var(--green-lt);color:var(--green)}
.tag-orange{background:var(--orange-lt);color:var(--orange)}
.h-sec{font-family:'Poppins',sans-serif;font-size:clamp(1.65rem,3vw,2.6rem);font-weight:800;line-height:1.18;margin-bottom:1rem;color:var(--dark)}
.h-sec span{color:var(--blue)}
.sec-dark .h-sec,.sec-blue .h-sec{color:#fff}
.h-sub{color:var(--muted);font-size:1.05rem;line-height:1.7;max-width:600px;margin:0 auto}
.sec-dark .h-sub,.sec-blue .h-sub{color:rgba(255,255,255,.78)}
.t-center{text-align:center}

/* ─── GRIDS ─── */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.ga{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}

/* ─── CARDS ─── */
.card{background:#fff;border-radius:var(--r);padding:2rem;box-shadow:var(--shadow-s);border:1px solid var(--border);transition:box-shadow .25s,transform .25s}
.card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px)}
.card-icon{width:54px;height:54px;border-radius:var(--r);background:var(--blue-lt);display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem;font-size:1.55rem}
.card-title{font-family:'Poppins',sans-serif;font-size:1.08rem;font-weight:700;color:var(--dark);margin-bottom:.5rem}
.card-body{color:var(--muted);font-size:.94rem;line-height:1.65}

/* ─── REVIEW STARS ─── */
.stars{color:#f59e0b;font-size:1.05rem;letter-spacing:.06rem}
.review-card{background:#fff;border-radius:var(--r);padding:1.8rem;box-shadow:var(--shadow-s);border:1px solid var(--border)}
.reviewer{font-weight:700;color:var(--dark);margin-top:.75rem;font-size:.88rem}
.reviewer-loc{color:var(--muted);font-size:.8rem}

/* ─── HERO ─── */
.hero{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 55%,#003d6e 100%);color:#fff;padding:5rem 0 4.5rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 70% 50%, rgba(0,180,216,.12) 0%, transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:rgba(0,180,216,.18);border:1px solid rgba(0,180,216,.38);color:#90e0ef;border-radius:var(--r-pill);padding:.32rem 1rem;font-size:.77rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;margin-bottom:1.1rem}
.hero h1{font-family:'Poppins',sans-serif;font-size:clamp(2.1rem,4vw,3.3rem);font-weight:900;line-height:1.13;margin-bottom:1.2rem}
.hero h1 em{color:var(--cyan-lt);font-style:normal}
.hero-sub{font-size:1.08rem;color:rgba(255,255,255,.78);margin-bottom:2rem;line-height:1.75}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap}
.hero-trust{display:flex;flex-wrap:wrap;gap:1.2rem;margin-top:2rem}
.trust-pill{display:flex;align-items:center;gap:.4rem;font-size:.82rem;color:rgba(255,255,255,.7)}
.trust-pill svg,.trust-pill .ico{color:#4ade80;flex-shrink:0}
.hero-img-wrap{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-l);position:relative}
.hero-img-wrap img{width:100%;height:420px;object-fit:cover;display:block}
.hero-img-badge{position:absolute;bottom:1.2rem;left:1.2rem;background:rgba(8,23,46,.85);backdrop-filter:blur(8px);color:#fff;border-radius:var(--r);padding:.75rem 1rem;border:1px solid rgba(255,255,255,.12)}
.hero-img-badge strong{font-size:1.15rem;display:block;color:#90e0ef}
.hero-img-badge span{font-size:.78rem;color:rgba(255,255,255,.65)}

/* ─── PRICING ─── */
.price-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;align-items:start}
.price-card{background:#fff;border-radius:var(--r-lg);padding:1.8rem 1.4rem;border:2.5px solid var(--border);text-align:center;position:relative;transition:all .3s}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.price-card.best{border-color:var(--blue);box-shadow:var(--shadow-l);transform:scale(1.04)}
.best-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(130deg,var(--blue),var(--cyan));color:#fff;padding:.3rem 1.15rem;border-radius:var(--r-pill);font-size:.76rem;font-weight:800;white-space:nowrap;letter-spacing:.04em}
.price-qty{font-size:.88rem;color:var(--muted);margin-bottom:.4rem;font-weight:600}
.price-img{width:100%;height:120px;object-fit:contain;margin:.5rem 0 1rem}
.price-hkd{font-family:'Poppins',sans-serif;font-size:2.5rem;font-weight:900;color:var(--dark);line-height:1;letter-spacing:-.02em}
.price-hkd sup{font-size:1.1rem;vertical-align:top;margin-top:.35rem;font-weight:700}
.price-cur{font-size:.8rem;color:var(--muted);margin-bottom:.2rem}
.price-per{font-size:.82rem;color:var(--muted)}
.price-orig{font-size:.88rem;color:var(--muted);text-decoration:line-through;margin-top:.3rem}
.price-save{display:inline-block;background:#fef3c7;color:#b45309;border-radius:var(--r-pill);font-size:.76rem;font-weight:700;padding:.18rem .65rem;margin-top:.35rem}
.price-list{list-style:none;text-align:left;margin:1rem 0;font-size:.88rem;color:var(--muted)}
.price-list li{padding:.3rem 0;padding-left:1.3rem;position:relative}
.price-list li::before{content:'✓';color:var(--green);font-weight:700;position:absolute;left:0}

/* ─── GUARANTEE ─── */
.guarantee{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:2.5px solid #86efac;border-radius:var(--r-lg);padding:2.5rem;text-align:center}
.guarantee-icon{font-size:3.5rem;margin-bottom:.8rem}
.guarantee h3{font-family:'Poppins',sans-serif;font-size:1.5rem;font-weight:800;color:#15803d;margin-bottom:.8rem}
.guarantee p{color:#166534;font-size:1.02rem;line-height:1.7}

/* ─── BEFORE/AFTER ─── */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.ba-item img{width:100%;height:240px;object-fit:cover;border-radius:var(--r)}
.ba-label{display:inline-block;margin-top:.6rem;font-weight:700;font-size:.88rem;padding:.2rem .75rem;border-radius:var(--r-pill)}
.ba-label.before{background:#fee2e2;color:#991b1b}
.ba-label.after{background:var(--green-lt);color:var(--green)}

/* ─── FAQ ─── */
.faq-item{border:1px solid var(--border);border-radius:var(--r);margin-bottom:.8rem;overflow:hidden}
.faq-q{width:100%;text-align:left;background:#fff;padding:1.1rem 1.4rem;font-weight:600;font-size:.98rem;color:var(--dark);cursor:pointer;border:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:background .2s}
.faq-q:hover{background:var(--blue-lt)}
.faq-q .arrow{font-size:.75rem;transition:transform .25s;flex-shrink:0}
.faq-a{display:none;padding:0 1.4rem 1.2rem;color:var(--muted);font-size:.95rem;line-height:1.7}
.faq-item.open .faq-a{display:block}
.faq-item.open .arrow{transform:rotate(180deg)}

/* ─── FOOTER ─── */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:3.5rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand-text{font-size:.88rem;line-height:1.75;margin-top:1rem;max-width:270px}
.footer-col h4{color:#fff;font-size:.88rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1.1rem}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:.55rem}
.footer-col ul a{color:rgba(255,255,255,.6);font-size:.88rem;transition:color .2s}
.footer-col ul a:hover{color:var(--cyan-lt);text-decoration:none}
.footer-contact p{font-size:.86rem;line-height:1.9}
.footer-contact a{color:var(--cyan-lt)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.4rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem;font-size:.8rem}
.footer-legal a{color:rgba(255,255,255,.5);margin:0 .75rem;transition:color .2s}
.footer-legal a:hover{color:#fff;text-decoration:none}

/* ─── MISC ─── */
.alert-bar{background:#fffbeb;border:1px solid #fcd34d;border-radius:var(--r);padding:.9rem 1.4rem;display:flex;align-items:center;gap:.8rem;font-size:.92rem;color:#92400e;margin-bottom:1.5rem}
.divider{border:none;border-top:1px solid var(--border);margin:2rem 0}
.badge-strip{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:1.5rem;padding:1.5rem}
.badge-strip img{height:38px;width:auto;opacity:.8;filter:grayscale(.2)}

/* ─── CHECKOUT FORM ─── */
.form-label{display:block;font-weight:600;font-size:.88rem;color:var(--dark);margin-bottom:.38rem}
.form-input{width:100%;padding:.7rem 1rem;border:2px solid var(--border);border-radius:var(--r);font-family:inherit;font-size:.95rem;color:var(--text);transition:border-color .2s}
.form-input:focus{outline:none;border-color:var(--blue)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.form-group{margin-bottom:1rem}
.form-select{width:100%;padding:.7rem 1rem;border:2px solid var(--border);border-radius:var(--r);font-family:inherit;font-size:.95rem;color:var(--text);background:#fff;appearance:none;cursor:pointer}
.form-select:focus{outline:none;border-color:var(--blue)}

/* ─── RESPONSIVE ─── */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .price-wrap{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .hero-img-wrap{order:-1}
  .hero-img-wrap img{height:260px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .ba-grid{grid-template-columns:1fr}
  .sec,.sec-dark,.sec-blue{padding:3.5rem 0}
  .nav-list{display:none;position:fixed;top:70px;right:0;background:#fff;flex-direction:column;width:220px;padding:1.5rem;box-shadow:-4px 4px 20px rgba(0,0,0,.12);gap:1.1rem;border-left:1px solid var(--border);z-index:9800}
  .nav-list.open{display:flex}
  .hamburger{display:flex}
  .header-btn{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .footer-bottom{flex-direction:column;text-align:center}
  .price-wrap{grid-template-columns:1fr 1fr}
  .price-card.best{transform:none}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:520px){
  .wrap,.wrap-sm,.wrap-md{padding:0 1rem}
  .footer-grid{grid-template-columns:1fr}
  .price-wrap{grid-template-columns:1fr}
  .hero{padding:2.8rem 0}
  .hero-btns{flex-direction:column}
  .btn-cta,.btn-primary{width:100%;justify-content:center}
}