/* ==========================================================================
   Robinson Coastal Plumbing — Global Stylesheet
   Modern navy + cyan design system. Matches index.html aesthetic.
   ========================================================================== */

:root{
  --navy-950:#030B1A;
  --navy-900:#061428;
  --navy-800:#0B2340;
  --navy-700:#0F3060;
  --brand-500:#0EA5E9;
  --brand-600:#0284C7;
  --brand-700:#0369A1;
  --cyan-400:#22D3EE;
  --cyan-300:#67E8F9;
  --amber-400:#FBBF24;
  --amber-500:#F59E0B;
  --ink:#0F172A;
  --slate-900:#0F172A;
  --slate-700:#334155;
  --slate-600:#475569;
  --slate-500:#64748B;
  --slate-400:#94A3B8;
  --slate-200:#E2E8F0;
  --slate-100:#F1F5F9;
  --slate-50:#F8FAFC;
  --line:#E2E8F0;
  --mute:#64748B;
  --white:#fff;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@500;600;700&display=swap');

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--slate-700);
  line-height:1.65;
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--brand-600);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-700)}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Top bar ---------- */
.topbar{
  background:linear-gradient(90deg,var(--navy-950),var(--navy-800));
  color:#CBD5E1;
  font-size:.86rem;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 24px;flex-wrap:wrap;gap:10px;
}
.topbar a{color:#fff;font-weight:600}
.topbar a:hover{color:var(--cyan-300)}

/* ---------- Header / nav ---------- */
header{
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:20px}
.brand{
  display:flex;align-items:center;gap:12px;
  font-family:'Space Grotesk','Inter',sans-serif;
  font-weight:700;color:var(--navy-900);font-size:1.1rem;
  letter-spacing:-.01em;
}
.logo{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy-900) 0%,var(--brand-600) 60%,var(--cyan-400) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:.95rem;
  font-family:'Space Grotesk',sans-serif;letter-spacing:.5px;
  box-shadow:0 6px 20px -4px rgba(14,165,233,.5);
  position:relative;overflow:hidden;
}
.logo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%);
  animation:shimmer 3.5s ease-in-out infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

nav ul{list-style:none;display:flex;gap:6px;flex-wrap:wrap;align-items:center}
nav a{
  color:var(--slate-700);font-weight:600;font-size:.95rem;
  padding:8px 14px;border-radius:10px;position:relative;
  transition:color .2s,background .2s;
}
nav a:hover{color:var(--navy-900);background:var(--slate-100);text-decoration:none}

.cta{
  background:linear-gradient(135deg,var(--amber-400),var(--amber-500));
  color:var(--navy-900);padding:11px 22px;border-radius:999px;
  font-weight:700;display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 10px 24px -8px rgba(245,158,11,.55);
  transition:transform .2s,box-shadow .2s;
}
.cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(245,158,11,.65);color:var(--navy-900);text-decoration:none}
.cta.lg{padding:15px 30px;font-size:1.02rem}
.cta.teal{
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#fff;
  box-shadow:0 10px 24px -8px rgba(14,165,233,.55);
}
.cta.teal:hover{box-shadow:0 14px 30px -8px rgba(14,165,233,.7);color:#fff}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(ellipse at 80% 10%,rgba(34,211,238,.18),transparent 50%),
    radial-gradient(ellipse at 10% 90%,rgba(14,165,233,.14),transparent 55%),
    linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 60%,var(--navy-700) 100%);
  color:#fff;padding:110px 0 120px;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 70%);
  pointer-events:none;
}
.hero > .container{position:relative;z-index:1}
.hero h1{
  font-family:'Space Grotesk','Inter',sans-serif;
  font-size:clamp(2.2rem,5.2vw,3.8rem);
  line-height:1.08;letter-spacing:-.025em;
  margin-bottom:22px;max-width:900px;font-weight:700;
}
.hero h1 .accent{
  background:linear-gradient(135deg,var(--cyan-400) 0%,var(--cyan-300) 50%,#E0F2FE 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lede{
  font-size:1.18rem;max-width:720px;color:#CBD5E1;margin-bottom:32px;font-weight:400;
}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.badge{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(10px);
  padding:8px 14px;border-radius:999px;font-size:.85rem;font-weight:500;
  color:#E2E8F0;display:inline-flex;align-items:center;gap:6px;
}
.phone-hero{
  font-family:'Space Grotesk',sans-serif;
  font-size:1.5rem;font-weight:700;color:#fff;margin:8px 0;letter-spacing:.02em;
}

/* ---------- Sections ---------- */
section{padding:90px 0}
section.alt{background:var(--slate-50)}
h2{
  font-family:'Space Grotesk','Inter',sans-serif;
  font-size:clamp(1.75rem,3.4vw,2.5rem);
  color:var(--navy-900);margin-bottom:18px;line-height:1.15;
  font-weight:700;letter-spacing:-.02em;
}
h3{
  font-family:'Space Grotesk','Inter',sans-serif;
  color:var(--navy-900);margin-bottom:10px;font-size:1.2rem;font-weight:600;letter-spacing:-.01em;
}
.lede{color:var(--slate-600);font-size:1.08rem;max-width:740px;margin-bottom:40px}

/* ---------- Grid / cards ---------- */
.grid{display:grid;gap:24px}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;
  transition:transform .35s cubic-bezier(.2,.9,.3,1.2),box-shadow .35s,border-color .3s;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:0;height:3px;
  background:linear-gradient(90deg,var(--brand-500),var(--cyan-400));
  transition:width .4s ease;border-radius:3px;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:0 24px 50px -20px rgba(6,20,40,.18);
  border-color:rgba(14,165,233,.25);
}
.card:hover::before{width:100%}
.card .icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,#E0F2FE 0%,#F0F9FF 100%);
  color:var(--brand-600);display:grid;place-items:center;
  font-size:1.55rem;margin-bottom:16px;
  transition:transform .3s;
}
.card:hover .icon{transform:scale(1.08) rotate(-4deg)}
.card h3 a{color:var(--navy-900)}
.card h3 a:hover{color:var(--brand-600);text-decoration:none}
.card p{color:var(--slate-600);margin:6px 0 14px;font-size:.96rem}
.card .more{font-weight:700;color:var(--brand-600)}
.card .more:hover{color:var(--brand-700)}

/* ---------- Lists ---------- */
ul.checks{list-style:none;padding:0}
ul.checks li{
  padding-left:32px;position:relative;margin-bottom:12px;
  color:var(--slate-700);line-height:1.55;
}
ul.checks li:before{
  content:"";position:absolute;left:0;top:4px;width:20px;height:20px;
  border-radius:6px;
  background:linear-gradient(135deg,var(--brand-500),var(--cyan-400));
  box-shadow:0 4px 10px -3px rgba(14,165,233,.45);
}
ul.checks li:after{
  content:"";position:absolute;left:5px;top:8px;width:10px;height:6px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(-45deg);
}

/* ---------- Split / Callout ---------- */
.split{display:grid;gap:48px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:center}
.callout{
  background:
    radial-gradient(ellipse at 80% 20%,rgba(34,211,238,.22),transparent 55%),
    linear-gradient(135deg,var(--navy-900) 0%,var(--navy-700) 60%,var(--brand-700) 100%);
  color:#fff;border-radius:24px;padding:56px 40px;text-align:center;
  box-shadow:0 30px 60px -20px rgba(6,20,40,.4);
  position:relative;overflow:hidden;
}
.callout::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:50px 50px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
  pointer-events:none;
}
.callout > *{position:relative;z-index:1}
.callout h2{color:#fff}
.callout p{color:#CBD5E1;max-width:640px;margin:10px auto 26px;font-size:1.05rem}

/* ---------- FAQ ---------- */
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;margin-bottom:14px;transition:border-color .2s,box-shadow .2s;
}
.faq details:hover{border-color:rgba(14,165,233,.3)}
.faq summary{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;cursor:pointer;color:var(--navy-900);list-style:none;font-size:1.05rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{
  content:"+";float:right;font-size:1.4rem;color:var(--brand-500);font-weight:400;
  transition:transform .25s;
}
.faq details[open] summary:after{content:"−"}
.faq details[open]{
  background:linear-gradient(135deg,#F0F9FF,#fff);
  border-color:rgba(14,165,233,.35);
  box-shadow:0 10px 30px -15px rgba(14,165,233,.25);
}
.faq p{margin-top:12px;color:var(--slate-600);line-height:1.7}

/* ---------- Footer ---------- */
footer{
  background:linear-gradient(180deg,var(--navy-950) 0%,var(--navy-900) 100%);
  color:#94A3B8;padding:80px 0 28px;margin-top:60px;position:relative;
}
footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(14,165,233,.5),transparent);
}
footer h4{
  font-family:'Space Grotesk',sans-serif;
  color:#fff;margin-bottom:18px;font-size:.92rem;text-transform:uppercase;
  letter-spacing:1.4px;font-weight:600;
}
footer a{color:#CBD5E1;transition:color .2s}
footer a:hover{color:var(--cyan-300);text-decoration:none}
footer ul{list-style:none}
footer li{margin-bottom:10px}
footer .brand{color:#fff}
.foot-grid{display:grid;gap:40px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.copyright{
  border-top:1px solid rgba(148,163,184,.15);
  margin-top:50px;padding-top:26px;font-size:.88rem;color:#64748B;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{
  font-size:.88rem;color:var(--slate-500);
  padding:20px 0;border-bottom:1px solid var(--line);background:var(--slate-50);
}
.breadcrumbs a{color:var(--brand-600);font-weight:500}

/* ---------- Stats ---------- */
.stats{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));text-align:center;margin-top:36px}
.stat{
  padding:22px;background:#fff;border-radius:16px;border:1px solid var(--line);
  transition:transform .3s,box-shadow .3s;
}
.stat:hover{transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(6,20,40,.18)}
.stat b{
  display:block;font-family:'Space Grotesk',sans-serif;font-size:2.1rem;
  background:linear-gradient(135deg,var(--brand-600),var(--cyan-400));
  -webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700;
}
.stat span{color:var(--slate-500);font-size:.9rem;font-weight:500}

/* ---------- Forms ---------- */
.form{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;
  max-width:580px;box-shadow:0 20px 50px -25px rgba(6,20,40,.18);
}
.form label{
  display:block;font-weight:600;margin:16px 0 7px;
  color:var(--navy-900);font-size:.92rem;
}
.form input,.form textarea,.form select{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;
  font:inherit;background:#fff;transition:border-color .2s,box-shadow .2s;
  color:var(--slate-900);
}
.form input:focus,.form textarea:focus,.form select:focus{
  outline:none;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(14,165,233,.12);
}
.form textarea{min-height:130px;resize:vertical}
.form button{
  margin-top:22px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#fff;border:0;padding:15px 30px;border-radius:999px;
  font-weight:700;cursor:pointer;font-size:1rem;
  box-shadow:0 12px 28px -10px rgba(14,165,233,.55);
  transition:transform .2s,box-shadow .2s;
  font-family:inherit;
}
.form button:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(14,165,233,.65)}

/* ---------- Tag ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,#E0F2FE,#F0F9FF);
  color:var(--navy-900);padding:6px 14px;border-radius:999px;
  font-size:.78rem;font-weight:700;margin-bottom:14px;
  letter-spacing:.02em;border:1px solid rgba(14,165,233,.2);
}

/* ---------- Hamburger / mobile ---------- */
.hamburger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--navy-900)}
@media(max-width:900px){
  nav ul{
    display:none;width:100%;flex-direction:column;padding:18px 0;gap:4px;
    border-top:1px solid var(--line);margin-top:14px;
  }
  nav ul li{width:100%}
  nav ul li a{display:block;width:100%}
  nav.open ul{display:flex}
  .nav{flex-wrap:wrap}
  .hamburger{display:block}
  .hero{padding:70px 0 80px}
  section{padding:60px 0}
  .callout{padding:40px 24px}
}

/* ---------- Service list ---------- */
.service-list{columns:2;column-gap:30px;list-style:none}
.service-list li{padding:8px 0;break-inside:avoid}
.service-list a{
  color:var(--navy-900);font-weight:600;
  display:inline-flex;align-items:center;gap:8px;
  transition:color .2s,transform .2s;
}
.service-list a:hover{color:var(--brand-600);transform:translateX(3px);text-decoration:none}
.service-list a::before{
  content:"→";color:var(--brand-500);font-weight:700;transition:transform .2s;
}
@media(max-width:620px){.service-list{columns:1}}

/* ---------- Fade-in on load ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
section > .container > *{animation:fadeUp .7s cubic-bezier(.4,0,.2,1) both}
.hero h1{animation:fadeUp .9s cubic-bezier(.4,0,.2,1) both}
.hero p.lede{animation:fadeUp .9s cubic-bezier(.4,0,.2,1) .15s both}
.hero .btns{animation:fadeUp .9s cubic-bezier(.4,0,.2,1) .3s both}
.hero .badges{animation:fadeUp .9s cubic-bezier(.4,0,.2,1) .45s both}

/* ---------- Selection & scrollbar ---------- */
::selection{background:var(--brand-500);color:#fff}