/* ===================== TOKENS ===================== */
:root{
  --blue-900:#0a2e6b;
  --blue-700:#0d4dae;
  --blue-600:#0a5fce;
  --blue-500:#1f7ae0;
  --blue-50:#eaf2ff;
  --teal-500:#0fb8a6;
  --green-600:#1aa15c;
  --green-700:#128a4d;
  --ink-900:#0f1b2d;
  --ink-700:#33455c;
  --ink-500:#5c6d82;
  --ink-300:#9fb0c2;
  --line:#e4ebf3;
  --paper:#ffffff;
  --paper-tint:#f5f9fd;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(15,32,60,.06);
  --shadow-md:0 12px 30px rgba(15,32,60,.10);
  --shadow-lg:0 24px 60px rgba(15,32,60,.16);
  --font-display:'Poppins',sans-serif;
  --font-body:'Inter',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;background:none;border:none;}
svg{width:1em;height:1em;fill:currentColor;flex-shrink:0;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink-900);margin:0;line-height:1.2;}
p{margin:0;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.text-blue{color:var(--blue-600);}

.section{padding:88px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);font-weight:700;letter-spacing:-.02em;}
.eyebrow{
  display:inline-block;font-family:var(--font-display);font-weight:600;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--teal-500);margin-bottom:10px;
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-display);font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:12px;white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 10px 24px rgba(10,95,206,.28);}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--blue-700);border:1.5px solid var(--line);}
.btn-outline:hover{border-color:var(--blue-500);transform:translateY(-2px);}
.btn-green{background:var(--green-600);color:#fff;}
.btn-green:hover{background:var(--green-700);}
.btn-lg{padding:16px 28px;font-size:16px;}
.btn-block{width:100%;}

/* ===================== TOPBAR ===================== */
.topbar{background:var(--blue-900);color:#cfe0ff;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:9px 24px;}
.topbar-loc{display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-loc svg{width:14px;height:14px;flex-shrink:0;color:var(--teal-500);}
.topbar-right{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.topbar-tag{opacity:.8;}
.topbar-right a{display:flex;align-items:center;gap:6px;font-weight:600;color:#fff;}
.topbar-right a svg{width:13px;height:13px;}

/* ===================== HEADER ===================== */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;padding:14px 24px;}
.logo{display:flex;align-items:center;gap:10px;margin-right:auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:linear-gradient(155deg,var(--blue-600),var(--blue-900));
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-family:var(--font-display);font-weight:800;font-size:21px;color:var(--ink-900);line-height:1;display:flex;flex-direction:column;gap:2px;}
.logo-sub{font-family:var(--font-body);font-weight:500;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-500);}

.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{font-weight:600;font-size:14.5px;color:var(--ink-700);position:relative;padding:6px 0;}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue-600);transform:scaleX(0);transition:transform .2s ease;}
.main-nav a:hover,.main-nav a.active{color:var(--blue-700);}
.main-nav a.active::after,.main-nav a:hover::after{transform:scaleX(1);}

.header-call{flex-shrink:0;}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;}
.hamburger span{display:block;width:24px;height:2.3px;background:var(--ink-900);border-radius:2px;transition:.25s;}
.mobile-callbar{display:none;}

.nav-drawer{
  position:fixed;top:0;right:-300px;width:280px;height:100vh;background:#fff;z-index:110;
  box-shadow:var(--shadow-lg);padding:100px 28px 28px;display:flex;flex-direction:column;gap:22px;
  transition:right .3s ease;
}
.nav-drawer.open{right:0;}
.nav-drawer a{font-family:var(--font-display);font-weight:600;font-size:17px;color:var(--ink-900);}
.nav-overlay{position:fixed;inset:0;background:rgba(10,20,40,.4);z-index:105;opacity:0;pointer-events:none;transition:opacity .3s ease;}
.nav-overlay.open{opacity:1;pointer-events:auto;}

/* ===================== HERO ===================== */
.hero{position:relative;padding:76px 0 0;overflow:hidden;background:linear-gradient(180deg,var(--blue-50) 0%,#fff 65%);}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-bottom:56px;}
.hero-copy h1{font-size:clamp(34px,4.4vw,54px);font-weight:700;letter-spacing:-.02em;}
.hero-sub{margin-top:20px;font-size:17.5px;line-height:1.65;color:var(--ink-500);max-width:520px;}
.hero-cta{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}

.hero-media{position:relative;}
.hero-media-ring{
  position:absolute;inset:-30px -10px auto auto;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,var(--blue-500) 0%,transparent 70%);opacity:.18;z-index:0;
}
.hero-media img{
  position:relative;z-index:1;width:100%;aspect-ratio:9/10;object-fit:cover;
  border-radius:28px;box-shadow:var(--shadow-lg);
}

.hero-features{background:#fff;border-top:1px solid var(--line);}
.hero-features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 24px;}
.hf-item{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:13.5px;color:var(--ink-700);}
.hf-item svg{width:20px;height:20px;color:var(--teal-500);flex-shrink:0;}

/* ===================== CLEAN TANK ===================== */
.clean-tank{background:var(--paper-tint);}
.clean-tank-inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center;}
.ct-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;aspect-ratio:5/4;object-fit:cover;}
.ct-copy h2{font-size:clamp(28px,3.4vw,38px);margin-top:6px;margin-bottom:18px;}
.ct-copy > p{font-size:16px;line-height:1.7;color:var(--ink-500);margin-bottom:22px;}
.check-list{display:flex;flex-direction:column;gap:13px;}
.check-list li{position:relative;padding-left:30px;font-weight:500;color:var(--ink-700);font-size:15px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;
  background:var(--teal-500);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/12px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/12px no-repeat;
}
.check-list li::after{content:"";position:absolute;left:0;top:0;width:19px;height:19px;border-radius:50%;background:rgba(15,184,166,.14);z-index:-1;}

/* ===================== PROCESS ===================== */
.process-grid{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:0;align-items:stretch;}
.process-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:30px 22px;text-align:center;transition:transform .2s ease, box-shadow .2s ease;position:relative;
}
.process-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent;}
.process-num{display:block;font-family:var(--font-display);font-weight:700;color:var(--blue-500);font-size:13px;letter-spacing:.08em;margin-bottom:10px;}
.process-icn{
  display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;
  background:var(--blue-50);color:var(--blue-600);margin-bottom:16px;
}
.process-icn svg{width:24px;height:24px;}
.process-card h3{font-size:17px;margin-bottom:8px;}
.process-card p{font-size:13.8px;color:var(--ink-500);line-height:1.55;}
.process-arrow{display:flex;align-items:center;justify-content:center;color:var(--ink-300);font-size:26px;padding:0 8px;}

/* ===================== WHY CHOOSE ===================== */
.why{background:var(--paper-tint);}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.why-card{background:#fff;border-radius:var(--radius-md);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease;}
.why-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.why-icn{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(15,184,166,.12);color:var(--teal-500);margin-bottom:16px;}
.why-icn svg{width:22px;height:22px;}
.why-card h3{font-size:16.5px;margin-bottom:6px;}
.why-card p{font-size:14px;color:var(--ink-500);line-height:1.5;}

/* ===================== SERVICES + AREAS ===================== */
.services-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:64px;}
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:22px;}
.service-card{position:relative;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm);}
.service-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.service-card:hover img{transform:scale(1.08);}
.service-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,20,40,.78) 0%,rgba(10,20,40,.05) 55%);}
.service-card span{position:absolute;left:14px;right:14px;bottom:12px;color:#fff;font-family:var(--font-display);font-weight:600;font-size:14px;line-height:1.3;z-index:1;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:600;color:var(--blue-600);font-size:14.5px;}
.link-arrow svg{width:16px;height:16px;color:var(--teal-500);}

.areas-col{background:var(--blue-900);border-radius:var(--radius-lg);padding:40px;position:relative;overflow:hidden;color:#fff;}
.areas-col .section-head h2{color:#fff;font-size:26px;}
.area-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:#eaf2ff;
}
.chip svg{width:14px;height:14px;color:var(--teal-500);}
.areas-note{margin-top:16px;font-size:13.5px;color:#9db6de;}
.skyline{position:relative;width:100%;height:130px;margin-top:30px;color:#fff;}

/* ===================== BEFORE/AFTER + REVIEWS ===================== */
.diff{background:var(--paper-tint);}
.diff-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.diff-title{font-size:24px;margin-bottom:20px;}
.diff-slider{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:1/1;user-select:none;}
.diff-slider img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;pointer-events:none;}
.diff-before-wrap{position:absolute;inset:0;width:50%;overflow:hidden;}
.diff-before-wrap img{width:200%;max-width:none;height:100%;left:0;}
.diff-tag{position:absolute;top:16px;font-family:var(--font-display);font-weight:600;font-size:12.5px;color:#fff;background:rgba(10,20,40,.55);padding:6px 12px;border-radius:999px;z-index:3;}
.diff-tag--before{left:16px;}
.diff-tag--after{right:16px;}
.diff-handle{
  position:absolute;top:50%;left:50%;width:44px;height:44px;background:#fff;border-radius:50%;
  transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);
  cursor:ew-resize;z-index:4;color:var(--blue-600);
}
.diff-handle svg{width:20px;height:20px;}
.diff-handle::before,.diff-handle::after{content:"";position:absolute;top:50%;width:2000px;height:2px;background:#fff;transform:translateY(-50%);z-index:-1;}

.diff-side h3{font-size:22px;margin-bottom:20px;}
.review-stack{display:flex;flex-direction:column;gap:16px;}
.review-card{background:#fff;border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease;}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.review-avatar{
  width:38px;height:38px;border-radius:50%;background:var(--blue-50);color:var(--blue-700);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;
  font-size:13px;flex-shrink:0;
}
.review-top strong{display:block;font-family:var(--font-display);font-size:14.5px;color:var(--ink-900);}
.review-loc{font-size:12.5px;color:var(--ink-500);}
.review-top .stars{margin-left:auto;color:#f5a623;font-size:14px;letter-spacing:1px;flex-shrink:0;}
.review-card p{font-size:14.5px;color:var(--ink-700);line-height:1.6;}

/* ===================== FAQ ===================== */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;}
.faq-item{
  display:block;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 44px 18px 20px;position:relative;transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--blue-500);}
.faq-item span{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--ink-900);}
.faq-item i{position:absolute;right:18px;top:16px;font-style:normal;font-size:20px;color:var(--blue-600);transition:transform .25s ease;}
.faq-item p{max-height:0;overflow:hidden;opacity:0;font-size:14px;color:var(--ink-500);line-height:1.6;transition:max-height .3s ease, opacity .3s ease, margin .3s ease;}
.faq-item.open i{transform:rotate(45deg);}
.faq-item.open p{max-height:200px;opacity:1;margin-top:12px;}

/* ===================== CONTACT ===================== */
.contact-card{
  display:grid;grid-template-columns:1.2fr .8fr;background:linear-gradient(120deg,var(--blue-600),var(--blue-900));
  border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);
}
.contact-form-col{padding:52px;color:#fff;}
.contact-form-col h2{color:#fff;font-size:clamp(26px,3vw,34px);margin-bottom:10px;}
.contact-form-col > p{color:#d3e3ff;font-size:15px;margin-bottom:26px;}
.booking-form{display:flex;flex-direction:column;gap:14px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.booking-form input,.booking-form select,.booking-form textarea{
  width:100%;padding:14px 16px;border-radius:10px;border:none;background:rgba(255,255,255,.14);
  color:#fff;font-family:inherit;font-size:14.5px;outline:none;transition:background .2s ease;
}
.booking-form select{color:#fff;}
.booking-form select option{color:#0f1b2d;}
.booking-form input::placeholder,.booking-form textarea::placeholder{color:#c6d8f5;}
.booking-form input:focus,.booking-form select:focus,.booking-form textarea:focus{background:rgba(255,255,255,.24);}
.booking-form textarea{resize:vertical;}
.booking-form .btn-primary{background:var(--green-600);box-shadow:0 10px 24px rgba(0,0,0,.2);margin-top:4px;}
.booking-form .btn-primary:hover{background:var(--green-700);}
.form-note{font-size:13.5px;color:#c9f5da;min-height:16px;}
.direct-call{display:flex;align-items:center;gap:12px;margin-top:22px;color:#fff;}
.direct-call svg{width:22px;height:22px;flex-shrink:0;}
.direct-call span{font-size:13.5px;color:#d3e3ff;}
.direct-call strong{font-size:16px;font-family:var(--font-display);}

.contact-media-col{position:relative;min-height:100%;}
.contact-media-col img{width:100%;height:100%;object-fit:cover;}

.hygiene-strip{margin-top:64px;}
.hygiene-strip h3{text-align:center;font-size:26px;margin-bottom:32px;}
.hygiene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hy-item{display:flex;flex-direction:column;align-items:flex-start;gap:12px;background:var(--paper-tint);border-radius:var(--radius-md);padding:24px;}
.hy-item svg{width:24px;height:24px;color:var(--teal-500);}
.hy-item strong{display:block;font-family:var(--font-display);font-size:14.5px;color:var(--ink-900);margin-bottom:3px;}
.hy-item span{font-size:13px;color:var(--ink-500);}

/* ===================== FOOTER ===================== */
.site-footer{background:var(--blue-900);color:#b9cbea;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-about p{margin-top:16px;font-size:14px;line-height:1.6;color:#a9c0e6;max-width:280px;}
.logo--footer .logo-text{color:#fff;}
.logo--footer .logo-sub{color:#9db6de;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background .2s ease;}
.social-row a:hover{background:var(--teal-500);}
.social-row svg{width:16px;height:16px;color:#fff;}

.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-plain{font-size:13.8px;color:#a9c0e6;}
.footer-col a:hover{color:#fff;}

.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;font-size:13px;color:#8ba5cf;}
.footer-legal a{color:#8ba5cf;}
.footer-legal a:hover{color:#fff;}

/* ===================== STICKY MOBILE CTA ===================== */
.sticky-cta{display:none;}

/* ===================== RESPONSIVE ===================== */
@media (max-width:1080px){
  .services-inner{grid-template-columns:1fr;}
  .diff-inner{grid-template-columns:1fr;}
  .hygiene-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;}
}

@media (max-width:900px){
  .topbar-loc{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .main-nav{display:none;}
  .header-call{display:none;}
  .hamburger{display:flex;}
  .mobile-callbar{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);}
  .mcb-item{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;font-family:var(--font-display);font-weight:600;font-size:13.5px;color:var(--blue-700);}
  .mcb-item:first-child{border-right:1px solid var(--line);}
  .mcb-item svg{width:15px;height:15px;}

  .hero{padding-top:36px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;max-width:420px;margin:0 auto;}
  .hero-copy{text-align:left;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-features-grid{grid-template-columns:repeat(2,1fr);}

  .clean-tank-inner{grid-template-columns:1fr;gap:32px;}
  .process-grid{grid-template-columns:1fr;gap:16px;}
  .process-arrow{display:none;}
  .why-grid{grid-template-columns:1fr 1fr;}
  .services-grid{grid-template-columns:1fr 1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .contact-card{grid-template-columns:1fr;}
  .contact-media-col{aspect-ratio:16/9;order:-1;}
  .form-row{grid-template-columns:1fr;}
  .hygiene-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-about{grid-column:1/-1;}

  .sticky-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:1fr 1fr;
    box-shadow:0 -6px 18px rgba(0,0,0,.12);
  }
  .sticky-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 8px;font-family:var(--font-display);font-weight:600;font-size:13px;color:#fff;line-height:1.3;}
  .sticky-btn svg{width:16px;height:16px;}
  .sticky-call{background:var(--blue-600);}
  .sticky-book{background:var(--green-600);}
  body{padding-bottom:60px;}
}

@media (max-width:560px){
  .section{padding:56px 0;}
  .why-grid{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:1fr 1fr;}
  .hygiene-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .areas-col{padding:28px;}
  .contact-form-col{padding:32px 22px;}
  .diff-side{margin-top:8px;}
}