/* Ok Water Tank Cleaning Service – spa-inspired calm teal + sage + gold theme */
:root{
  --teal-900:#08403f;--teal-800:#0c5250;--teal-700:#0f6663;--teal-500:#2a9d94;--teal-300:#8fd1c6;
  --sage:#dcebe3;--mist:#f1f8f5;--cream:#fbf7ef;--gold:#c9a45c;--gold-d:#a9873f;
  --ink:#14302f;--muted:#4f6a68;--white:#fff;--wa:#1faa59;--call:#e8563f;
  --r:22px;--shadow:0 14px 40px rgba(8,64,63,.14);--shadow-s:0 6px 18px rgba(8,64,63,.12);
  --head:'Playfair Display',Georgia,serif;--body:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--body);color:var(--ink);background:var(--cream);line-height:1.65;font-size:16px;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--teal-700);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--head);line-height:1.2;color:var(--teal-900)}
h1{font-size:clamp(2rem,5vw,3.3rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem);margin-bottom:.6rem}
h3{font-size:1.25rem;margin-bottom:.4rem}
p{margin-bottom:1rem}
.container{width:min(1160px,92%);margin-inline:auto}
section{padding:72px 0}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-d);font-weight:600;margin-bottom:.6rem}
.lead{color:var(--muted);max-width:720px}
.center{text-align:center}.center .lead{margin-inline:auto}

/* ---------- Header (sticky) ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(251,247,239,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(15,102,99,.14);box-shadow:0 4px 18px rgba(8,64,63,.08)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--teal-900);font-family:var(--head);font-weight:700;font-size:1.15rem;line-height:1.1}
.brand:hover{text-decoration:none}
.brand small{display:block;font-family:var(--body);font-weight:500;font-size:.68rem;letter-spacing:.14em;color:var(--gold-d);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px}
.nav a{position:relative;padding:9px 11px;border-radius:999px;font-size:.84rem;white-space:nowrap;font-weight:500;color:var(--teal-900);transition:.25s}
.nav a:hover,.nav a.active{background:var(--teal-700);color:#fff;text-decoration:none}
.nav a:hover{animation:tabBlink .7s ease-in-out infinite}
.phone-pill{display:inline-flex;align-items:center;gap:8px;background:var(--call);color:#fff!important;font-weight:700;padding:10px 18px;border-radius:999px;font-size:1rem;white-space:nowrap;animation:numBlink 1.1s ease-in-out infinite;box-shadow:0 0 0 0 rgba(232,86,63,.6)}
.phone-pill:hover{text-decoration:none;filter:brightness(1.08)}
.menu-btn{display:none;background:var(--teal-700);color:#fff;border:0;width:44px;height:44px;border-radius:12px;font-size:1.4rem;cursor:pointer}

@keyframes numBlink{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(232,86,63,.55)}50%{opacity:.55;box-shadow:0 0 0 12px rgba(232,86,63,0)}}
@keyframes tabBlink{0%,100%{opacity:1}50%{opacity:.55}}
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(31,170,89,.55)}100%{box-shadow:0 0 0 22px rgba(31,170,89,0)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes shine{to{background-position:200% center}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s;text-decoration:none!important}
.btn:hover{transform:translateY(-3px);box-shadow:var(--shadow);animation:tabBlink .7s ease-in-out infinite}
.btn-call{background:var(--call);color:#fff}
.btn-wa{background:var(--wa);color:#fff}
.btn-ghost{background:transparent;border-color:var(--gold);color:var(--gold-d)}
.btn-light{background:#fff;color:var(--teal-900)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.4rem}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:linear-gradient(135deg,var(--teal-900),var(--teal-700) 60%,var(--teal-500));padding:70px 0 90px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.07)}
.hero::before{width:420px;height:420px;right:-120px;top:-120px}
.hero::after{width:260px;height:260px;left:-80px;bottom:-90px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#f3d995,#c9a45c,#f3d995);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 4s linear infinite}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero p.sub{font-size:1.1rem;color:#d9efe9;margin-top:1rem;max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:1.4rem}
.badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:7px 14px;border-radius:999px;font-size:.85rem}
.hero-art{display:block;animation:floaty 6s ease-in-out infinite}
.hero-art img{border-radius:30px;box-shadow:0 30px 60px rgba(0,0,0,.28);width:100%}
.wave{position:absolute;bottom:-1px;left:0;width:100%;line-height:0}

/* ---------- Trust strip ---------- */
.strip{padding:0;margin-top:-46px;position:relative;z-index:2}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.strip-item{background:#fff;border-radius:18px;padding:20px;box-shadow:var(--shadow-s);text-align:center;transition:.3s;border-bottom:4px solid var(--gold)}
.strip-item:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.strip-item span{font-size:1.8rem;display:block}
.strip-item b{display:block;color:var(--teal-900);font-size:.98rem}
.strip-item small{color:var(--muted)}

/* ---------- Cards / services ---------- */
.bg-mist{background:var(--mist)}.bg-sage{background:var(--sage)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:34px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.card{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-s);transition:.3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.card .img{position:relative;display:block;overflow:hidden;aspect-ratio:4/3;background:var(--sage)}
.card .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .img img{transform:scale(1.07)}
.card .img .tag{position:absolute;left:14px;bottom:14px;background:var(--wa);color:#fff;padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:600;animation:tabBlink 1.6s infinite}
.card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.card ul{margin:.4rem 0 1rem 1.1rem;color:var(--muted)}
.card .btn-row{margin-top:auto}
.card .btn{padding:11px 20px;font-size:.92rem}

/* ---------- Before / After ---------- */
.compare{position:relative;max-width:820px;margin:34px auto 0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/9;background:#000;user-select:none}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare .after{clip-path:inset(0 0 0 var(--pos,50%))}
.compare .lbl{position:absolute;top:14px;padding:6px 16px;border-radius:999px;font-weight:700;font-size:.82rem;color:#fff;z-index:3}
.compare .lb{left:14px;background:#7a4b1f}.compare .la{right:14px;background:var(--teal-700)}
.compare .handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:4px;background:#fff;z-index:2;transform:translateX(-2px);pointer-events:none}
.compare .handle::after{content:"↔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--gold);color:#fff;display:grid;place-items:center;font-size:1.3rem;box-shadow:var(--shadow-s)}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:4;margin:0}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:820px;margin:18px auto 0}
.ba-pair a{border-radius:16px;overflow:hidden;position:relative;box-shadow:var(--shadow-s);display:block}
.ba-pair a:hover img{transform:scale(1.05)}
.ba-pair img{transition:.4s;aspect-ratio:16/9;object-fit:cover;width:100%}
.ba-pair span{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,.6);color:#fff;font-size:.78rem;padding:4px 12px;border-radius:999px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;counter-reset:s}
.step{background:#fff;border-radius:var(--r);padding:26px;box-shadow:var(--shadow-s);position:relative;transition:.3s}
.step:hover{transform:translateY(-6px)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;right:20px;width:40px;height:40px;border-radius:50%;background:var(--gold);color:#fff;font-weight:700;display:grid;place-items:center;box-shadow:var(--shadow-s)}
.step .ic{font-size:2rem}

/* ---------- Areas ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{background:#fff;border:1px solid var(--teal-300);padding:9px 18px;border-radius:999px;font-size:.9rem;font-weight:500;color:var(--teal-900);transition:.25s}
.chip:hover{background:var(--teal-700);color:#fff;text-decoration:none;animation:tabBlink .7s infinite}
.center .chips{justify-content:center}

/* ---------- Two col / content ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.two img{border-radius:var(--r);box-shadow:var(--shadow)}
.checks{list-style:none;margin:1rem 0}
.checks li{padding-left:34px;position:relative;margin-bottom:.7rem}
.checks li::before{content:"✓";position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:50%;background:var(--teal-700);color:#fff;font-size:.8rem;display:grid;place-items:center}
.breadcrumb{font-size:.85rem;color:#cfe9e3;margin-bottom:1rem}
.breadcrumb a{color:#fff;text-decoration:underline}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:34px auto 0}
.faq details{background:#fff;border-radius:16px;margin-bottom:12px;box-shadow:var(--shadow-s);overflow:hidden;border-left:5px solid var(--gold)}
.faq summary{padding:18px 54px 18px 22px;font-weight:600;cursor:pointer;list-style:none;position:relative;color:var(--teal-900)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--gold-d);transition:.3s}
.faq details[open] summary::after{content:"–"}
.faq summary:hover{background:var(--mist)}
.faq .ans{padding:0 22px 20px;color:var(--muted)}

/* ---------- Contact / map ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;margin-top:34px}
.info{background:linear-gradient(150deg,var(--teal-900),var(--teal-700));color:#fff;border-radius:var(--r);padding:34px;box-shadow:var(--shadow)}
.info h3{color:#fff}.info a{color:#f3d995}.info p{color:#d9efe9}
.map{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);min-height:360px}
.map iframe{width:100%;height:100%;min-height:360px;border:0}
.cta-band{background:linear-gradient(120deg,var(--gold-d),var(--gold));color:#fff;text-align:center;padding:56px 0}
.cta-band h2{color:#fff}.cta-band .btn-row{justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--teal-900);color:#bcd9d3;padding:54px 0 24px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.site-footer h3{color:#fff;font-size:1.05rem;font-family:var(--body);font-weight:600}
.site-footer a{color:#f3d995}
.site-footer ul{list-style:none}.site-footer li{margin-bottom:.45rem}
.copy{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:18px;text-align:center;font-size:.82rem}

/* ---------- Floating buttons ---------- */
.fab{position:fixed;right:20px;z-index:999;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:1.7rem;box-shadow:var(--shadow);transition:.25s}
.fab:hover{transform:scale(1.12);text-decoration:none;animation:tabBlink .6s infinite}
.fab-wa{bottom:94px;background:var(--wa);animation:pulseRing 1.8s infinite}
.fab-call{bottom:22px;background:var(--call)}
.mobile-bar{display:none}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid,.two,.contact-grid{grid-template-columns:1fr}
  .grid-3,.steps{grid-template-columns:1fr 1fr}
  .strip-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .menu-btn{display:block}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--cream);flex-direction:column;align-items:stretch;padding:12px 4%;gap:4px;border-bottom:1px solid rgba(15,102,99,.2);box-shadow:var(--shadow);display:none}
  .nav.open{display:flex}
  .nav a{padding:13px 16px;border-radius:12px}
  .header-in{position:relative}
}
@media(max-width:700px){
  section{padding:52px 0}
  .grid-2,.grid-3,.steps,.foot-grid,.ba-pair{grid-template-columns:1fr}
  .hero{padding:44px 0 80px}
  .brand{font-size:1rem}.brand small{display:none}
  .phone-pill{padding:9px 13px;font-size:.88rem}
  .fab{display:none}
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;bottom:0;left:0;right:0;z-index:999;box-shadow:0 -6px 20px rgba(0,0,0,.18)}
  .mobile-bar a{padding:15px 8px;text-align:center;color:#fff;font-weight:700;text-decoration:none}
  .mobile-bar .c{background:var(--call);animation:numBlink 1.1s infinite}.mobile-bar .w{background:var(--wa)}
  body{padding-bottom:54px}
}
@media(max-width:380px){.phone-pill span.t{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-art{animation:none}.reveal{opacity:1;transform:none}}

/* small-phone header fit */
@media(max-width:700px){
  .header-in{gap:8px;min-height:68px}
  .brand{font-size:.86rem;gap:7px;min-width:0}
  .brand img{width:36px;height:36px}
  .phone-pill{padding:8px 11px;font-size:.82rem;gap:5px}
  .menu-btn{width:40px;height:40px;flex-shrink:0}
}
@media(max-width:360px){.brand span{display:none}}