/* Think Gutters Manufacturers — design system */
:root{
  --brand-primary:#0B1A4A;      /* navy from logo */
  --brand-primary-700:#132a6e;
  --brand-secondary:#0093DD;    /* logo blue */
  --brand-secondary-600:#007ec0;
  --brand-accent:#E1121C;       /* logo red rule */
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --bg-deep:#08133a;
  --text:#16203a;
  --text-muted:#5a6480;
  --border:#dde4ef;
  --brand-gradient:linear-gradient(135deg,#0B1A4A 0%,#123072 45%,#0093DD 100%);
  --brand-gradient-soft:linear-gradient(135deg,#eaf3fb 0%,#dbe8f7 100%);
  --shadow-sm:0 2px 8px rgba(11,26,74,.08);
  --shadow-md:0 10px 30px rgba(11,26,74,.12);
  --shadow-lg:0 24px 60px rgba(11,26,74,.18);
  --radius-sm:8px; --radius:14px; --radius-lg:22px;
  --space:clamp(56px,7vw,104px);
  --maxw:1220px;
  --font-head:"Barlow Condensed",system-ui,sans-serif;
  --font-body:"Barlow",system-ui,-apple-system,sans-serif;
  --header-h:96px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--text);background:var(--bg);font-size:17px;line-height:1.7;overflow-x:hidden}
body.nav-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-secondary-600);text-decoration:none}
a:hover{color:var(--brand-primary)}
:focus-visible{outline:3px solid var(--brand-secondary);outline-offset:3px}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--brand-primary);line-height:1.08;margin:0 0 .5em;letter-spacing:.4px;text-transform:uppercase}
h1{font-size:clamp(2.6rem,6vw,4.5rem)}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{margin:0 0 1.1em}
.container{width:min(100% - 40px,var(--maxw));margin-inline:auto}
.section{padding:var(--space) 0}
.section--alt{background:var(--bg-alt)}
.section--deep{background:var(--bg-deep);color:#e8eefb}
.section--deep h2,.section--deep h3{color:#fff}
.lead{font-size:1.1rem;color:var(--text-muted);max-width:70ch}
.section--deep .lead{color:#b9c6e6}
.center{text-align:center}
.center .lead{margin-inline:auto}
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}

/* media blocks with gradient fallback */
.media{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--brand-gradient);box-shadow:var(--shadow-md)}
.media img{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);text-transform:uppercase;letter-spacing:1px;font-size:1.05rem;padding:14px 30px;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--brand-accent);color:#fff;box-shadow:0 8px 22px rgba(225,18,28,.28)}
.btn--primary:hover{background:#c30f18;color:#fff}
.btn--secondary{background:var(--brand-secondary);color:#fff}
.btn--secondary:hover{background:var(--brand-secondary-600);color:#fff}
.btn--ghost{border-color:#fff;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--brand-primary)}
.btn--outline{border-color:var(--brand-primary);color:var(--brand-primary)}
.btn--outline:hover{background:var(--brand-primary);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* logo */
.logo,.nav-brand img,.footer-brand img,.site-logo{border-radius:16px;background:#fff;padding:6px 10px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.site-header.scrolled .logo{border-radius:12px}
.nav-brand{display:flex;align-items:center;gap:12px}
.nav-brand .logo{height:80px;width:auto;transition:height .25s}
.site-header.scrolled .nav-brand .logo{height:64px}

/* top bar */
.topbar{background:var(--brand-primary);color:#cfe0f6;font-size:.9rem}
.topbar a{color:#cfe0f6}
.topbar a:hover{color:#fff}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:9px 0;flex-wrap:wrap}
.topbar__list{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.topbar__list li{display:flex;align-items:center;gap:7px}
.topbar svg{width:16px;height:16px;flex:none;stroke:var(--brand-secondary)}
.social{display:flex;gap:10px;align-items:center}
.social a{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.1)}
.social a:hover{background:var(--brand-secondary)}
.social svg{width:15px;height:15px;fill:currentColor;stroke:none;color:#fff}
.topbar__label{display:inline}

/* header */
.site-header{position:sticky;top:0;z-index:10000;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);transition:box-shadow .25s,background .25s}
.site-header.scrolled{background:#fff;box-shadow:0 6px 24px rgba(11,26,74,.1)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 0}
.nav__menu{display:flex;gap:26px;align-items:center;list-style:none;margin:0;padding:0}
.nav__menu a{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.8px;font-size:1.05rem;color:var(--brand-primary);position:relative;padding:6px 0}
.nav__menu a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--brand-accent);transition:right .25s}
.nav__menu a:hover::after,.nav__menu a.is-active::after{right:0}
.nav__menu a.is-active{color:var(--brand-accent)}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:48px;height:48px;border:0;background:transparent;cursor:pointer;position:relative}
.nav-toggle span{display:block;position:absolute;left:11px;right:11px;height:3px;border-radius:2px;background:var(--brand-primary);transition:transform .28s,opacity .28s}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:23px}
.nav-toggle span:nth-child(3){top:30px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{position:fixed;inset:0;z-index:9999;background:var(--brand-primary);color:#fff;padding:96px 24px 40px;overflow-y:auto;max-height:100dvh;transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .28s,transform .28s,visibility .28s}
.mobile-panel.is-open{opacity:1;transform:none;visibility:visible}
.mobile-panel ul{list-style:none;margin:0;padding:0}
.mobile-panel a{display:block;padding:15px 6px;min-height:48px;color:#fff;font-family:var(--font-head);font-size:1.35rem;text-transform:uppercase;border-bottom:1px solid rgba(255,255,255,.12)}
.mobile-panel a:hover,.mobile-panel a.is-active{color:var(--brand-secondary)}
.mobile-panel .btn{margin-top:24px;width:100%;justify-content:center}
.mobile-contact{margin-top:26px;font-size:.98rem;color:#b9c6e6}

/* hero */
.hero{position:relative;min-height:clamp(540px,84vh,760px);display:grid;background:var(--brand-gradient);overflow:hidden}
.hero__slide{grid-area:1/1;position:relative;opacity:0;transition:opacity .9s ease;display:grid;place-items:center}
.hero__slide.is-active{opacity:1}
.hero__slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;animation:kenburns 18s ease-out both}
@keyframes kenburns{from{transform:scale(1.02)}to{transform:scale(1.14)}}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,19,58,.88) 0%,rgba(8,19,58,.62) 55%,rgba(0,147,221,.42) 100%)}
.hero__content{position:relative;text-align:center;padding:120px 20px;width:min(100% - 40px,980px);margin-inline:auto}
.hero h1{color:#fff;text-shadow:0 6px 26px rgba(0,0,0,.4);margin-bottom:.25em}
.hero h2{color:#eaf3ff;font-size:clamp(1.15rem,2.3vw,1.75rem);font-weight:500;text-transform:none;letter-spacing:0;font-family:var(--font-body);max-width:60ch;margin:0 auto 28px;text-shadow:0 3px 14px rgba(0,0,0,.4)}
.hero .btn-row{justify-content:center}
.hero__trust{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:34px;color:#cfe0f6;font-size:.95rem}
.hero__trust span{display:flex;align-items:center;gap:8px}
.hero__trust svg{width:18px;height:18px;stroke:var(--brand-secondary);fill:none;stroke-width:2}
.hero__dots{position:absolute;bottom:26px;left:0;right:0;display:flex;gap:10px;justify-content:center;z-index:3}
.hero__dots button{width:34px;height:5px;border:0;border-radius:3px;background:rgba(255,255,255,.4);cursor:pointer}
.hero__dots button.is-active{background:var(--brand-accent)}
.hero__arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:50px;height:50px;border-radius:50%;border:1px solid rgba(255,255,255,.45);background:rgba(8,19,58,.35);color:#fff;cursor:pointer;font-size:1.4rem;line-height:1}
.hero__arrow:hover{background:var(--brand-accent);border-color:var(--brand-accent)}
.hero__arrow--prev{left:18px}
.hero__arrow--next{right:18px}

/* page banner */
.banner{position:relative;min-height:420px;display:grid;align-items:center;background:var(--brand-gradient);overflow:hidden}
.banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner__overlay{position:absolute;inset:0;background:linear-gradient(95deg,rgba(8,19,58,.82),rgba(0,147,221,.42))}
.banner__content{position:relative;padding:110px 0 70px}
.banner h1{color:#fff;text-shadow:0 5px 20px rgba(0,0,0,.42);margin-bottom:.2em}
.banner p{color:#dce8fb;max-width:64ch;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.crumbs{color:#a9bde3;font-size:.92rem;margin-bottom:14px}
.crumbs a{color:#a9bde3}
.crumbs a:hover{color:#fff}

/* cards */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:6px;flex:1}
.card__body h3{margin-bottom:2px}
.card__body p{color:var(--text-muted);margin-bottom:12px}
.card__link{margin-top:auto;font-family:var(--font-head);text-transform:uppercase;letter-spacing:1px;color:var(--brand-accent)}
.feature{background:#fff;border:1px solid var(--border);border-left:4px solid var(--brand-secondary);border-radius:var(--radius);padding:26px}
.feature svg{width:34px;height:34px;stroke:var(--brand-secondary);fill:none;stroke-width:1.8;margin-bottom:10px}
.feature h3{font-size:1.2rem}
.feature p{color:var(--text-muted);margin:0}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px;text-align:center}
.stat strong{display:block;font-family:var(--font-head);font-size:2.6rem;color:var(--brand-secondary);line-height:1}
.stat span{color:#b9c6e6;font-size:.95rem}
.list-check{list-style:none;margin:0 0 20px;padding:0}
.list-check li{position:relative;padding-left:30px;margin-bottom:10px}
.list-check li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:3px;background:var(--brand-secondary)}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:44px;align-items:center}

/* accordion */
.acc{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-bottom:12px;overflow:hidden}
.acc__btn{width:100%;text-align:left;background:none;border:0;padding:20px 22px;font-family:var(--font-head);font-size:1.15rem;text-transform:uppercase;color:var(--brand-primary);cursor:pointer;display:flex;justify-content:space-between;gap:16px}
.acc__btn::after{content:"+";color:var(--brand-accent)}
.acc__btn[aria-expanded="true"]::after{content:"–"}
.acc__panel{padding:0 22px 20px;color:var(--text-muted)}

/* quote / testimonial */
.quote{background:#fff;border-radius:var(--radius-lg);padding:30px;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.quote p{font-size:1.05rem}
.quote strong{color:var(--brand-primary);font-family:var(--font-head);letter-spacing:.5px}
.quote span{display:block;color:var(--text-muted);font-size:.9rem}

/* forms */
.form{display:grid;gap:16px}
.form label{font-weight:600;font-size:.95rem;display:block;margin-bottom:6px;color:var(--brand-primary)}
.form input,.form select,.form textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:var(--radius-sm);font:inherit;background:#fff;color:var(--text)}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--brand-secondary)}
.form .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.hp{position:absolute;left:-9999px}
.form-note{font-size:.95rem;padding:12px 14px;border-radius:var(--radius-sm)}
.form-note.ok{background:#e6f6ec;color:#14653a}
.form-note.err{background:#fdeaea;color:#98151b}
.newsletter{display:flex;gap:10px;flex-wrap:wrap}
.newsletter input{flex:1;min-width:200px;padding:13px 15px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff}
.newsletter input::placeholder{color:#9db1d8}

/* footer */
.site-footer{background:var(--bg-deep);color:#b9c6e6;padding:70px 0 0}
.site-footer h3{color:#fff;font-size:1.2rem;margin-bottom:16px}
.site-footer a{color:#b9c6e6}
.site-footer a:hover{color:var(--brand-secondary)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand img{height:78px;width:auto;margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.footer-bottom{margin-top:50px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.9rem}

/* floating */
.float-wa,.float-top{position:fixed;right:18px;z-index:900;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-md);border:0;cursor:pointer}
.float-wa{bottom:84px;background:#25D366;color:#fff}
.float-top{bottom:20px;background:var(--brand-primary);color:#fff;opacity:0;pointer-events:none;transition:opacity .25s}
.float-top.is-visible{opacity:1;pointer-events:auto}
.float-wa svg{width:28px;height:28px;fill:#fff}
.float-top svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2.4}

/* cookie banner */
.cookie{position:fixed;left:18px;right:18px;bottom:18px;z-index:950;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px 20px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cookie p{margin:0;font-size:.95rem;max-width:70ch}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

.map-embed{border:0;width:100%;height:380px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.prose h2{margin-top:1.6em}
.prose{max-width:80ch}

@media (max-width:1080px){
  .nav__menu{display:none}
  .nav-toggle{display:block}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-brand .logo{height:64px}
  .site-header.scrolled .nav-brand .logo{height:58px}
}
@media (max-width:768px){
  body{font-size:16px}
  .logo{border-radius:10px}
  .nav-brand .logo{height:56px}
  .site-header.scrolled .nav-brand .logo{height:52px}
  .topbar__label{display:none}
  .topbar__list{gap:14px}
  .topbar__inner{justify-content:center}
  .nav__cta .btn{display:none}
  .hero__content{padding:96px 16px}
  .hero__arrow{display:none}
  .banner{min-height:340px}
  .banner__content{padding:80px 0 50px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cookie{flex-direction:column;align-items:flex-start}
  .cookie .btn-row{width:100%}
}

/* ---- Site photo mosaic and video showcase ---- */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:16px;margin-top:44px}
.mosaic figure{position:relative;margin:0;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow-md);background:var(--brand-gradient-soft)}
.mosaic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.mosaic figure:hover img{transform:scale(1.06)}
.mosaic figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 14px;color:#fff;font-family:var(--font-head);font-size:1rem;letter-spacing:.02em;background:linear-gradient(to top,rgba(8,19,58,.86),rgba(8,19,58,0))}
.mosaic .m-lg{grid-column:span 2;grid-row:span 2}
.mosaic .m-tall{grid-row:span 2}
.mosaic .m-wide{grid-column:span 2}
@media (max-width:900px){.mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}.mosaic .m-lg{grid-column:span 2;grid-row:span 2}.mosaic .m-tall{grid-row:span 1}.mosaic .m-wide{grid-column:span 2}}
@media (max-width:520px){.mosaic{grid-auto-rows:130px;gap:12px}}

.vid-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}
@media (max-width:820px){.vid-grid{grid-template-columns:1fr}}
.vid{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);background:#08133a}
.vid video{display:block;width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;background:#08133a}
.vid figcaption{padding:16px 20px;color:#fff;font-family:var(--font-head);font-size:1.05rem;background:var(--brand-gradient)}