:root{--ink:#0b2a3a;--slate:#4a5f69;--line:#d5e2e5;--paper:#f4f8f9;--tint:#e6f3f4;--accent:#0e7c86;--accent-hover:#0a636b;--on-accent:#fff;--deep:#08303f;--maxw:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:17px;-webkit-text-size-adjust:100%}
img,svg{max-width:100%}
a{color:var(--accent-hover)}
a:hover{color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);padding:.6rem 1rem;z-index:100}
.skip:focus{left:.5rem;top:.5rem}
:focus-visible{outline:3px solid #f2b31b;outline-offset:2px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:1rem;min-height:64px}
.brand{font-weight:800;font-size:1.05rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em;flex:none}
.site-header nav{display:flex;gap:1.1rem;flex:1;justify-content:center;flex-wrap:wrap}
.site-header nav a{color:var(--slate);text-decoration:none;font-size:.92rem;font-weight:600;padding:.3rem 0;border-bottom:2px solid transparent}
.site-header nav a:hover,.site-header nav a[aria-current]{color:var(--ink);border-bottom-color:var(--accent)}
.hd-phone{display:inline-flex;align-items:center;gap:.4rem;color:var(--ink);font-weight:700;text-decoration:none;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.4rem;border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:800;text-decoration:none;border:2px solid var(--accent);cursor:pointer;font:inherit;font-weight:800}
.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.btn.sm{padding:.5rem 1rem;font-size:.9rem}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn.ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* hero + lead card */
.lf-hero{position:relative;overflow:hidden;color:#fff;isolation:isolate;padding:3.2rem 0 3.6rem;background:linear-gradient(90deg,rgba(8,48,63,.9) 0%,rgba(8,48,63,.68) 45%,rgba(8,48,63,.1) 100%),url(/assets/img/hero-glass-pool-fence-modern-home-1600.webp) center 85%/cover no-repeat,linear-gradient(135deg,#08303f 0%,#0b5560 55%,#0e7c86 100%)}
.lf-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 2px,transparent 2px 168px),linear-gradient(180deg,rgba(255,255,255,.06),transparent 40%)}
.lf-wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;display:grid;grid-template-columns:minmax(0,1fr);gap:1.25rem;align-items:center}
.lf-hero h1{margin:0;font-size:clamp(2rem,4.2vw,3.2rem);line-height:1.08;font-weight:800;letter-spacing:-.02em}
.lf-lead{margin:1rem 0 0;font-size:1.1rem;line-height:1.5;color:rgba(255,255,255,.92);max-width:38rem}
.lf-points{list-style:none;margin:1.1rem 0 0;padding:0;display:grid;gap:.4rem;color:rgba(255,255,255,.92);font-size:.98rem}
.lf-points li{padding-left:1.4rem;position:relative}
.lf-points li::before{content:"";position:absolute;left:0;top:.55em;width:.7rem;height:.35rem;border-left:2px solid #7fe0e8;border-bottom:2px solid #7fe0e8;transform:rotate(-45deg)}
.lf-ctas{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.4rem}
.lf-card{width:100%;max-width:520px;background:#fff;color:var(--ink);border-radius:1rem;padding:1.5rem;box-shadow:0 30px 70px -25px rgba(0,0,0,.6);scroll-margin-top:90px}
.lf-card h2{margin:0;font-size:1.4rem;line-height:1.2;font-weight:800}
.lf-card-lead{margin:.3rem 0 0;font-size:.88rem;line-height:1.4;color:var(--slate)}
.lf-form{display:grid;grid-template-columns:1fr 1fr;gap:.65rem;margin-top:1rem}
.lf-form>*{min-width:0}
.lf-form .full{grid-column:1 / -1}
.lf-form label{display:block;margin:0 0 .25rem;font-size:.7rem;font-weight:700;line-height:1.2;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.lf-form label .opt{text-transform:none;letter-spacing:0;font-weight:500;color:var(--slate)}
.lf-form input[type=text],.lf-form input[type=tel],.lf-form input[type=email],.lf-form select,.lf-form textarea{display:block;width:100%;margin:0;padding:0 .8rem;font:inherit;font-size:16px;line-height:normal;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:.6rem;-webkit-appearance:none;appearance:none}
.lf-form input[type=text],.lf-form input[type=tel],.lf-form input[type=email],.lf-form select{height:46px}
.lf-form textarea{padding:.7rem .8rem;resize:vertical;min-height:84px;line-height:1.4}
.lf-form select{padding-right:2rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230b2a3a' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center}
.lf-form input:focus,.lf-form select:focus,.lf-form textarea:focus{outline:none;border-color:var(--accent);background-color:#fff;box-shadow:0 0 0 3px rgba(14,124,134,.25)}
.lf-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.lf-form button[type=submit]{width:100%;height:52px;border:0;border-radius:999px;background:var(--accent);color:var(--on-accent);font:inherit;font-size:1rem;font-weight:800;cursor:pointer}
.lf-form button[type=submit]:hover{background:var(--accent-hover)}
.lf-form button[disabled]{opacity:.65;cursor:wait}
.lf-form label.check{display:flex;gap:.6rem;align-items:flex-start;margin:0;font-size:.82rem;font-weight:500;letter-spacing:0;text-transform:none;line-height:1.4}
.lf-form label.check input{width:22px;height:22px;flex:none;margin:.05rem 0 0;accent-color:var(--accent)}
.lf-fine{grid-column:1 / -1;margin:-.15rem 0 0;text-align:center;font-size:.76rem;color:var(--slate)}
.lf-fine a{color:var(--ink);font-weight:700}

/* content pages */
.crumbs{padding-top:1rem;font-size:.85rem;color:var(--slate)}
.crumbs a{color:var(--slate)}
.page{padding-top:.6rem;padding-bottom:2.5rem;max-width:860px}
.page h1{font-size:clamp(1.8rem,3.6vw,2.5rem);line-height:1.15;letter-spacing:-.02em;margin:.6rem 0 .8rem}
.page h2{font-size:1.5rem;line-height:1.25;margin:2.2rem 0 .6rem;letter-spacing:-.01em}
.page h3{font-size:1.15rem;margin:1.6rem 0 .4rem}
.lede{font-size:1.15rem;color:var(--slate);margin:0 0 1.2rem}
.page ul,.page ol{padding-left:1.3rem}
.page li{margin:.3rem 0}
.note{background:var(--tint);border-left:4px solid var(--accent);padding:.9rem 1.1rem;border-radius:0 .6rem .6rem 0;margin:1.4rem 0}
.note p{margin:.2rem 0}
.warn{background:#fff6e0;border-left-color:#d99a00}
.tbl{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.97rem}
.tbl th,.tbl td{border:1px solid var(--line);padding:.65rem .8rem;text-align:left;vertical-align:top}
.tbl th{background:var(--tint)}
.tblwrap{overflow-x:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1.2rem 0}
.card{border:1px solid var(--line);border-radius:.9rem;padding:1.1rem 1.2rem;background:#fff}
.card h3{margin:0 0 .3rem;font-size:1.1rem}
.card p{margin:.2rem 0 .6rem;color:var(--slate);font-size:.95rem}
.card a.more{font-weight:700}
details{border:1px solid var(--line);border-radius:.7rem;margin:.6rem 0;background:#fff}
summary{cursor:pointer;font-weight:700;padding:.8rem 1rem;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;font-weight:800;color:var(--accent)}
details[open] summary::after{content:"-"}
details>div{padding:0 1rem .9rem}
details>div p{margin:.3rem 0}
.sources,.related{margin-top:2rem;padding:1rem 1.2rem;background:var(--paper);border-radius:.8rem}
.sources h2,.related h2{margin:0 0 .4rem;font-size:1.1rem}
.sources p{margin:.2rem 0 .5rem;color:var(--slate);font-size:.92rem}
.sources ul,.related ul{margin:.3rem 0 0}
.band{padding:3rem 0}
.band.alt{background:var(--paper)}
.band h2{font-size:1.7rem;line-height:1.2;margin:0 0 .5rem;letter-spacing:-.01em}
.band .sub{color:var(--slate);margin:0 0 1rem;max-width:42rem}
.qpage{display:grid;gap:2rem;grid-template-columns:minmax(0,1fr);padding:1.5rem 0 3rem}
.qpage .lf-card{max-width:560px}
@media(min-width:900px){.qpage{grid-template-columns:minmax(0,1fr) 520px;align-items:start}}

/* CTA band */
.cta-band{background:var(--deep);color:#fff;padding:2.2rem 0;margin-top:1rem}
.cta-in{display:flex;flex-wrap:wrap;gap:1.2rem;align-items:center;justify-content:space-between}
.cta-band h2{margin:0;font-size:1.5rem}
.cta-band p{margin:.3rem 0 0;color:rgba(255,255,255,.85)}
.cta-btns{display:flex;flex-wrap:wrap;gap:.7rem}

/* footer */
.site-footer{background:#06222d;color:#c9dbe0;padding:2.4rem 0 5rem;font-size:.9rem}
.site-footer a{color:#fff}
.foot{display:grid;gap:1.6rem;grid-template-columns:minmax(0,1fr)}
.f-brand strong{display:block;color:#fff;font-size:1.05rem}
.f-brand span{color:#9db6bd}
.lbl{display:block;font-family:ui-monospace,Consolas,monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#7f9aa2;margin-bottom:.4rem}
.site-footer p{margin:.4rem 0}
.f-meta{font-family:ui-monospace,Consolas,monospace;font-size:.8rem}
@media(min-width:900px){.foot{grid-template-columns:minmax(0,1fr) minmax(0,2fr) minmax(0,1fr);gap:2.4rem}.f-meta{text-align:right}.site-footer{padding-bottom:2.4rem}}

/* sticky mobile bar */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:1fr 1fr;gap:.5rem;padding:.6rem;background:var(--deep)}
.sticky-cta a{display:flex;align-items:center;justify-content:center;padding:.75rem;border-radius:999px;font-weight:800;text-decoration:none;background:#fff;color:var(--ink)}
.sticky-cta a.quote{background:var(--accent);color:var(--on-accent)}
@media(min-width:768px){.sticky-cta{display:none}}

/* desktop hero: copy left, card right */
@media(min-width:1024px){
  .lf-hero{padding:4rem 0 4.4rem}
  .lf-wrap{grid-template-columns:minmax(0,1fr) 410px;grid-template-areas:"head form" "rest form";column-gap:3.5rem;row-gap:0}
  .lf-head{grid-area:head;align-self:end}.lf-rest{grid-area:rest;align-self:start}.lf-card{grid-area:form}
}
@media(max-width:1023px){.lf-card{margin:0 auto}.hd{flex-wrap:wrap;row-gap:0}.site-header nav{order:5;flex:0 0 100%;justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;gap:1.2rem;padding:0 0 .5rem;white-space:nowrap}.hd-phone{margin-left:auto}}
@media(max-width:767px){
  .lf-hero{background-image:linear-gradient(180deg,rgba(8,48,63,.9),rgba(8,48,63,.78)),url(/assets/img/hero-glass-pool-fence-modern-home-800.webp)}
  body{font-size:16.5px}
  .hd{min-height:56px;gap:.6rem}
  .brand{font-size:.95rem;line-height:1.15}
  .hd-phone span{display:none}
  .btn.sm{display:none}
  .lf-hero{padding:1.3rem 0 2rem}
  .lf-hero h1{font-size:clamp(1.55rem,7vw,2.1rem)}
  .lf-card{padding:1rem}
  .lf-card h2{font-size:1.2rem}
  .lf-lead{margin-top:0}
  .lf-points{display:none}
  .cta-in{display:block}.cta-btns{margin-top:1rem}
}

/* figures + form fallback */
.fig{margin:1.4rem 0}
.fig img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:.8rem;background:#fff}
.fig figcaption{font-size:.88rem;color:var(--slate);margin-top:.4rem}
.lf-fallback{margin-top:1rem;display:grid;gap:.8rem}
.lf-fallback p{margin:0;color:var(--slate);font-size:.95rem}
.lf-fallback .btn{width:100%;height:52px}

/* photos */
.fig.photo img{aspect-ratio:auto}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin:1.2rem 0}
.photo-grid figure{margin:0}
.photo-grid img{display:block;width:100%;height:220px;object-fit:cover;border-radius:.8rem;border:1px solid var(--line);background:var(--paper)}
.photo-grid figcaption{font-size:.86rem;color:var(--slate);margin-top:.35rem;line-height:1.35}
.f-logo{display:block;width:170px;height:auto;border-radius:6px;margin-bottom:.7rem}