/* ============================================================
   Water Tanks / American Tank Company — WSG demo redesign
   Modern, mobile-first design system. Content is the client's own.
   ============================================================ */

:root{
  --blue:#0e4a78;        /* primary deep water blue */
  --blue-700:#0b3a5f;
  --blue-900:#0c2a43;    /* footer navy */
  --sky:#2b83c4;         /* bright accent blue */
  --sky-050:#eaf3fb;
  --teal:#0f9d8f;        /* fresh water-green accent */
  --amber:#f6821f;       /* action / CTA */
  --amber-600:#e06f0d;
  --ink:#16222e;
  --slate:#4a5a68;
  --muted:#7b8794;
  --line:#e3e9ef;
  --bg:#f6f9fc;
  --white:#fff;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 6px 22px rgba(14,40,64,.10);
  --shadow-lg:0 18px 48px rgba(14,40,64,.16);
  --wrap:1200px;
  --font:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --display:"Barlow Condensed","Barlow",var(--font);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--sky)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.12;color:var(--ink);font-weight:800}
h1{font-family:var(--display);font-weight:700;letter-spacing:.5px;font-size:clamp(2.2rem,5vw,3.6rem);text-transform:uppercase}
h2{font-family:var(--display);font-weight:700;letter-spacing:.4px;font-size:clamp(1.7rem,3.4vw,2.5rem);text-transform:uppercase}
h3{font-size:1.25rem;font-weight:800}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.eyebrow{font-family:var(--display);letter-spacing:2px;text-transform:uppercase;color:var(--sky);font-weight:700;font-size:1rem;margin-bottom:.4rem}
.center{text-align:center}
.lead{font-size:1.18rem;color:var(--slate)}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn-cta{background:var(--amber);color:#fff;box-shadow:0 6px 18px rgba(246,130,31,.35)}
.btn-cta:hover{background:var(--amber-600);color:#fff;transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-700);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--blue)}
.btn-outline:hover{border-color:var(--sky);color:var(--sky)}

/* ---------- Utility top bar ---------- */
.topbar{background:var(--blue-900);color:#cfe0ee;font-size:.9rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:1rem;min-height:42px;flex-wrap:wrap}
.topbar a{color:#eaf3fb}
.topbar .phone{font-weight:800;color:#fff;font-size:1.02rem}
.topbar .hours{color:#9fbcd6}
.topbar-links{display:flex;gap:1.2rem;align-items:center}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 14px rgba(14,40,64,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:14px 22px;max-width:var(--wrap);margin:0 auto}
.brand{display:flex;align-items:center;gap:.7rem;flex-shrink:0}
.brand img{height:52px;width:auto}
.brand .bt{font-family:var(--display);font-weight:700;text-transform:uppercase;line-height:1;color:var(--blue);font-size:1.5rem;letter-spacing:.5px}
.brand .bt small{display:block;font-family:var(--font);font-weight:600;font-size:.62rem;letter-spacing:2px;color:var(--muted);text-transform:uppercase}
.mainnav{display:flex;gap:1.35rem;align-items:center;flex-wrap:wrap}
.mainnav a{font-weight:700;color:var(--ink);font-size:.98rem;padding:.35rem 0;position:relative}
.mainnav a:hover,.mainnav a.active{color:var(--sky)}
.mainnav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;background:var(--amber);border-radius:2px}
.header-cta{display:flex;gap:.6rem;align-items:center}
.nav-toggle{display:none;background:var(--blue);color:#fff;border:0;border-radius:8px;padding:.5rem .7rem;font-size:1.3rem;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(115deg,var(--blue-900),var(--blue) 55%,var(--sky));color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(1200px 500px at 80% -10%,rgba(255,255,255,.14),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center;padding:64px 22px}
.hero h1{color:#fff}
.hero p{color:#dcebf7;font-size:1.2rem;max-width:34rem}
.hero .btns{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}
.hero-badges{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:1.8rem;color:#bcd6ec;font-weight:600;font-size:.95rem}
.hero-badges span{display:flex;align-items:center;gap:.45rem}
.hero-art{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:5px solid rgba(255,255,255,.15)}
.hero-art img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* ---------- Trust strip ---------- */
.trust{background:var(--white);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:26px 22px;text-align:center}
.trust .t{display:flex;flex-direction:column;align-items:center;gap:.2rem}
.trust .t b{font-family:var(--display);font-size:2rem;color:var(--blue);line-height:1}
.trust .t span{font-size:.86rem;color:var(--slate);font-weight:600;text-transform:uppercase;letter-spacing:.5px}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section.tight{padding:44px 0}
.section-head{max-width:44rem;margin:0 auto 2.4rem;text-align:center}
.section-head p{color:var(--slate);font-size:1.1rem}
.bg-white{background:#fff}
.bg-sky{background:var(--sky-050)}

/* ---------- Category / product grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.cat-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#cfe0ee}
.cat-card .thumb{aspect-ratio:4/3;background:#eef3f8;overflow:hidden}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.35s}
.cat-card:hover .thumb img{transform:scale(1.06)}
.cat-card .body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}
.cat-card h3{margin-bottom:.35rem;color:var(--blue-700)}
.cat-card p{font-size:.96rem;color:var(--slate);margin-bottom:1rem}
.cat-card .more{margin-top:auto;font-weight:700;color:var(--sky);font-size:.95rem}

/* ---------- Feature / split rows ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:center}
.split.rev .media{order:2}
.split .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split .media img{width:100%;object-fit:cover}
.split ul{margin:0;padding-left:1.1rem}
.split ul li{margin-bottom:.5rem;color:var(--slate)}

/* ---------- Prose (info pages) ---------- */
.prose{max-width:52rem;margin:0 auto;font-size:1.05rem;color:#2c3a47}
.prose h2{margin-top:1.8rem}
.prose h3{margin-top:1.4rem;color:var(--blue-700)}
.prose ul{padding-left:1.2rem}
.prose li{margin-bottom:.4rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.8rem;box-shadow:var(--shadow)}

/* ---------- Page banner (interior hero) ---------- */
.pagehero{background:linear-gradient(120deg,var(--blue-900),var(--blue));color:#fff;padding:52px 0 46px}
.pagehero .crumbs{color:#9fc2de;font-size:.9rem;margin-bottom:.6rem}
.pagehero .crumbs a{color:#cfe6f7}
.pagehero h1{color:#fff;margin-bottom:.3rem}
.pagehero p{color:#d7e8f6;max-width:42rem;margin:0}

/* ---------- CTA banner ---------- */
.cta-band{background:linear-gradient(120deg,var(--amber),#ffb45e);color:#3a2402}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:40px 22px;flex-wrap:wrap}
.cta-band h2{color:#40260a;margin:0}
.cta-band p{margin:.2rem 0 0;color:#6a4212;font-weight:600}

/* ---------- Price challenge highlight ---------- */
.pricebox{background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;border-radius:var(--radius);padding:2rem 2.2rem;box-shadow:var(--shadow-lg)}
.pricebox h2{color:#fff}
.pricebox p{color:#e6f2fc}

/* ---------- Forms ---------- */
.formcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);max-width:52rem;margin:0 auto}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:700;margin-bottom:.35rem;font-size:.95rem}
.field input,.field select,.field textarea{width:100%;padding:.75rem .9rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);font:inherit;background:#fbfdfe}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 3px rgba(43,131,196,.15)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-900);color:#b9cee0;padding:52px 0 0;font-size:.95rem}
.site-footer a{color:#dcebf7}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:2rem;padding-bottom:2.4rem}
.site-footer h4{color:#fff;font-family:var(--display);letter-spacing:1px;text-transform:uppercase;font-size:1.1rem;margin-bottom:.9rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.5rem}
.foot-phone{font-size:1.4rem;font-weight:800;color:#fff;font-family:var(--display)}
.foot-disclaimer{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:.82rem;color:#8aa6bf;line-height:1.6}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#8aa6bf}
.foot-bottom a{color:#b9cee0}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:1.6rem;padding:48px 22px}
  .hero-art{order:-1}
  .cat-grid,.cat-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .trust .wrap{grid-template-columns:repeat(2,1fr);gap:1.4rem}
  .split{grid-template-columns:1fr;gap:1.4rem}
  .split.rev .media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .mainnav,.topbar-links .u-hide{display:none}
  .nav-toggle{display:inline-block}
  .mainnav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;padding:1rem 22px;box-shadow:var(--shadow);gap:.4rem}
  .header-cta .btn-outline{display:none}
}
@media(max-width:560px){
  .cat-grid,.cat-grid.cols-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .topbar-links{display:none}
  .cta-band .wrap{flex-direction:column;text-align:center}
}