/* SONAR design system — Sandy Leak Finders. Dark navy + electric blue/cyan. Subtle motion, reduced-motion safe. */
:root{
  --navy-950:#050b16; --navy-900:#081120; --navy-800:#0b1830; --navy-700:#10233f;
  --ink:#eaf1fb; --ink-dim:#a9bcd6; --ink-faint:#6d84a3;
  --blue:#2f7bff; --blue-deep:#1e5fd6; --cyan:#3fd9ff; --cyan-soft:rgba(63,217,255,.14);
  --gold:#f5b53f;
  --card:#0c1730; --card-2:#0e1c38; --line:rgba(120,160,220,.16);
  --radius:14px; --radius-s:9px;
  --font-h:"Space Grotesk",system-ui,sans-serif; --font-b:"Inter",system-ui,sans-serif;
  --shadow:0 18px 50px -18px rgba(0,10,30,.7);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--navy-900);color:var(--ink);font-family:var(--font-b);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#8fe9ff}
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.18;letter-spacing:-.01em;color:#fff}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem);margin-bottom:.7rem}
h3{font-size:1.18rem;margin-bottom:.4rem}
p{margin-bottom:1rem;color:var(--ink-dim)}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
section{padding:74px 0}
.kicker{display:inline-block;font-family:var(--font-h);font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:.8rem;border:1px solid rgba(63,217,255,.35);padding:.35rem .9rem;border-radius:999px;background:var(--cyan-soft)}
.lead{font-size:1.12rem;color:var(--ink-dim);max-width:760px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}

/* ---------- topbar + header ---------- */
.topbar{background:var(--navy-950);border-bottom:1px solid var(--line);font-size:.85rem;color:var(--ink-faint)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:12px;flex-wrap:wrap}
.topbar a{color:var(--ink-dim)} .topbar a:hover{color:var(--cyan)}
.hours-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#3ddc84;margin-right:7px;box-shadow:0 0 8px #3ddc84}
header.site{position:sticky;top:0;z-index:200;background:rgba(8,17,32,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navrow{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;max-width:1180px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{width:42px;height:42px;flex:0 0 42px}
.brand-name{font-family:var(--font-h);font-weight:700;font-size:1.22rem;line-height:1.1}
.brand-name small{display:block;font-size:.68rem;font-weight:500;letter-spacing:.24em;color:var(--cyan)}
nav.main{display:flex;align-items:center;gap:4px}
nav.main>ul{display:flex;list-style:none;gap:2px;align-items:center}
nav.main a.nl{color:var(--ink-dim);font-weight:600;font-size:.95rem;padding:10px 13px;border-radius:8px;display:block}
nav.main a.nl:hover,nav.main a.nl.active{color:#fff;background:rgba(63,217,255,.1)}
.has-drop{position:relative}
.drop{position:absolute;top:100%;left:0;min-width:300px;background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius-s);padding:10px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s,transform .18s,visibility .18s}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;transform:none}
.drop a{display:block;padding:9px 12px;border-radius:7px;color:var(--ink-dim);font-size:.92rem;font-weight:500}
.drop a:hover{background:rgba(63,217,255,.1);color:#fff}
.drop .dcat{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);padding:8px 12px 4px;font-family:var(--font-h)}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-h);font-weight:700;padding:.85rem 1.7rem;border-radius:999px;border:0;cursor:pointer;font-size:1rem;transition:transform .16s,box-shadow .16s,background .16s;white-space:nowrap;flex-shrink:0}
.btn svg{width:17px;height:17px;flex:0 0 17px}
.btn-call{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 10px 26px -10px rgba(47,123,255,.65)}
.btn-call:hover{transform:translateY(-2px);box-shadow:0 16px 32px -10px rgba(47,123,255,.8);color:#fff}
.btn-ghost{background:transparent;color:var(--cyan);border:1.5px solid rgba(63,217,255,.5)}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:.55rem 1.15rem;font-size:.88rem}
.nav-cta{display:flex;gap:10px;align-items:center;flex-shrink:0}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 12px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 90px;background:radial-gradient(1100px 520px at 78% -10%,rgba(47,123,255,.22),transparent 60%),radial-gradient(800px 420px at 8% 110%,rgba(63,217,255,.1),transparent 60%),var(--navy-950)}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(120,170,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(700px 480px at 60% 30%,#000 30%,transparent 75%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.4vw,4rem);margin:.6rem 0 1rem}
.hero h1 .accent{background:linear-gradient(120deg,var(--cyan),#7db4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .tagline{font-family:var(--font-h);font-size:1.4rem;font-weight:600;color:#fff;margin:0 0 .7rem;letter-spacing:-.01em}
.hero .sub{font-size:1.14rem;max-width:560px}
.hero-ctas{display:flex;gap:14px;margin:26px 0 22px;flex-wrap:wrap}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--ink-dim);background:rgba(20,40,80,.55);border:1px solid var(--line);padding:.5rem .95rem;border-radius:999px}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);font-style:normal}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.scanline{position:absolute;left:4%;right:4%;top:8%;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);box-shadow:0 0 18px 2px rgba(63,217,255,.8);animation:scan 5.5s ease-in-out infinite}
@keyframes scan{0%,100%{top:8%;opacity:0}12%{opacity:1}50%{top:88%}88%{opacity:1}92%,100%{top:88%;opacity:0}}
.pulse-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(63,217,255,.7);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(63,217,255,.65)}70%{box-shadow:0 0 0 16px rgba(63,217,255,0)}100%{box-shadow:0 0 0 0 rgba(63,217,255,0)}}
.diag-card{position:absolute;bottom:-18px;left:-14px;background:rgba(10,22,44,.94);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-family:var(--font-h);font-size:.82rem;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.diag-card b{color:var(--cyan)} .diag-card .ok{color:#3ddc84}

/* ---------- sections / cards ---------- */
.band{background:var(--navy-950);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.card{background:linear-gradient(180deg,var(--card-2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .18s,border-color .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);border-color:rgba(63,217,255,.45);box-shadow:var(--shadow)}
.card h3 a{color:#fff} .card h3 a:hover{color:var(--cyan)}
.card .meta{font-size:.82rem;color:var(--ink-faint);letter-spacing:.08em;text-transform:uppercase;font-family:var(--font-h)}
.icon-tile{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,rgba(47,123,255,.25),rgba(63,217,255,.12));border:1px solid rgba(63,217,255,.35);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.icon-tile svg{width:26px;height:26px;stroke:var(--cyan);fill:none;stroke-width:1.8}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-num{font-family:var(--font-h);font-size:2.6rem;font-weight:700;background:linear-gradient(120deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.steps{counter-reset:st}
.step{position:relative;padding-left:0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-s);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-family:var(--font-h);font-weight:600;color:#fff;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--cyan);flex:0 0 auto;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 22px 20px;color:var(--ink-dim)}
.cta-band{background:linear-gradient(120deg,#0e2a5e,#123a7d 55%,#0e2a5e);border:1px solid rgba(63,217,255,.3);border-radius:20px;padding:54px 48px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);background-size:36px 36px}
.cta-band h2{position:relative} .cta-band p{position:relative;max-width:640px;margin:0 auto 26px} .cta-band .hero-ctas{position:relative;justify-content:center}

/* ---------- page hero ---------- */
.page-hero{background:radial-gradient(900px 420px at 70% -20%,rgba(47,123,255,.2),transparent 60%),var(--navy-950);padding:70px 0 60px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(1.9rem,4.2vw,3rem);margin:.5rem 0 .8rem;max-width:820px}
.breadcrumb{font-size:.85rem;color:var(--ink-faint);margin-bottom:14px}
.breadcrumb a{color:var(--ink-dim)}

/* ---------- article / content ---------- */
.prose{max-width:820px}
.prose h2{margin:2.2rem 0 .8rem;font-size:1.55rem}
.prose h3{margin:1.6rem 0 .5rem}
.prose ul,.prose ol{margin:0 0 1.1rem 1.3rem;color:var(--ink-dim)}
.prose li{margin-bottom:.5rem}
.prose blockquote{border-left:3px solid var(--cyan);padding:.6rem 1.2rem;background:var(--cyan-soft);border-radius:0 10px 10px 0;margin:1.4rem 0;color:var(--ink)}
.symptom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:1.4rem 0}
.symptom{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-s);padding:18px 20px}
.symptom b{color:#fff;display:block;margin-bottom:.3rem;font-family:var(--font-h)}
.method{border-left:3px solid var(--blue);padding:.4rem 0 .4rem 1.2rem;margin-bottom:1.2rem}
.method b{color:#fff;font-family:var(--font-h)}
.proc-steps{list-style:none;margin:1.4rem 0;padding:0}
.proc-steps li{display:flex;gap:18px;margin-bottom:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-s);padding:20px 22px}
.proc-steps .n{flex:0 0 44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;font-family:var(--font-h);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.callout{background:linear-gradient(180deg,rgba(47,123,255,.14),rgba(47,123,255,.05));border:1px solid rgba(47,123,255,.4);border-radius:var(--radius);padding:26px 28px;margin:2rem 0}
.callout.safety{border-color:rgba(245,181,63,.5);background:linear-gradient(180deg,rgba(245,181,63,.12),rgba(245,181,63,.04))}
.callout b.t{font-family:var(--font-h);color:#fff;display:block;margin-bottom:.4rem;font-size:1.05rem}
.two-col{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.side-card h3{margin-bottom:12px;font-size:1.05rem}
.side-card ul{list-style:none;margin:0}
.side-card li{margin-bottom:8px}
.side-card a{color:var(--ink-dim);font-size:.93rem} .side-card a:hover{color:var(--cyan)}
.quote-card{background:linear-gradient(160deg,#10315f,#0b2148);border:1px solid rgba(63,217,255,.35);border-radius:var(--radius);padding:28px;text-align:center}
.quote-card .big{font-family:var(--font-h);font-size:1.5rem;color:#fff;margin:.4rem 0 1rem}

/* ---------- forms ---------- */
.form-card{background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:4px}
.field.full{grid-column:1/-1}
.field label{font-size:.85rem;font-weight:600;color:var(--ink-dim);font-family:var(--font-h)}
.field input,.field select,.field textarea{background:var(--navy-950);border:1px solid var(--line);border-radius:8px;color:#fff;padding:.8rem 1rem;font-size:1rem;font-family:var(--font-b);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(63,217,255,.15)}
.field textarea{min-height:120px;resize:vertical}
.privacy-note{font-size:.82rem;color:var(--ink-faint);margin-top:12px}

/* ---------- footer ---------- */
footer{background:var(--navy-950);border-top:1px solid var(--line);padding:64px 0 0;margin-top:40px}
.fgrid4{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px}
footer h4{font-size:.85rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
footer ul{list-style:none} footer li{margin-bottom:9px}
footer li a{color:var(--ink-dim);font-size:.93rem} footer li a:hover{color:var(--cyan)}
.fnap{color:var(--ink-dim);font-size:.93rem;line-height:1.9}
.copy{border-top:1px solid var(--line);padding:20px 0;font-size:.85rem;color:var(--ink-faint);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.copy a{color:var(--ink-faint)}

/* ---------- sticky mobile call ---------- */
.sticky-call{display:none;position:fixed;bottom:0;left:0;right:0;z-index:300;background:rgba(8,17,32,.97);border-top:1px solid var(--line);padding:10px 14px;backdrop-filter:blur(10px)}
.sticky-call .btn{width:100%;justify-content:center}

/* ---------- scroll reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.12s}.rv-d2{transition-delay:.24s}.rv-d3{transition-delay:.36s}

/* ---------- responsive ---------- */
@media(max-width:1120px){
  nav.main a.nl{padding:10px 8px;font-size:.88rem}
  .nav-cta .btn{padding:.55rem 1rem;font-size:.85rem}
}
@media(max-width:1020px){
  .hero-inner{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)} .g4{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr} .sidebar{position:static}
  .fgrid4{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  nav.main>ul,.nav-cta .btn-ghost{display:none}
  .burger{display:block}
  nav.main.open>ul{display:flex;position:absolute;top:100%;left:0;right:0;background:var(--navy-950);flex-direction:column;align-items:stretch;padding:14px;border-bottom:1px solid var(--line);max-height:70vh;overflow:auto}
  nav.main.open .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:transparent;padding:0 0 0 12px}
  .svc-grid,.g2,.g3,.g4{grid-template-columns:1fr}
  .symptom-grid{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .fgrid4{grid-template-columns:1fr}
  section{padding:52px 0}
  .cta-band{padding:38px 24px}
  .sticky-call{display:block}
  body{padding-bottom:70px}
  .diag-card{left:8px;bottom:-14px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
  .scanline,.pulse-dot{display:none}
}