/* Green Atlantic PVC — site styles. Palette and type follow the printed catalog. */
:root{
  --navy:#17325C; --navy-2:#0F2444; --blue:#255496; --leaf:#9AC354; --leaf-ink:#5E8A24;
  --ink:#1A2333; --slate:#566174; --line:#DFE4EC; --mist:#F2F5F9; --white:#FFFFFF;
  --serif:"Lora",Georgia,"Times New Roman",serif; --sans:"Poppins",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1180px; --gut:clamp(20px,4vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font:400 16px/1.65 var(--sans);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--navy)}
:focus-visible{outline:2px solid var(--leaf);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--navy);letter-spacing:-.005em;margin:0}
h1{font-size:clamp(38px,5.4vw,66px);line-height:1.06}
h2{font-size:clamp(30px,3.6vw,44px);line-height:1.12}
h3{font-family:var(--sans);font-weight:500;font-size:19px;line-height:1.35;color:var(--navy)}
p{margin:0 0 1em;max-width:66ch}
.lede{font-size:clamp(17px,1.5vw,19px);color:var(--slate);line-height:1.7}
.rule{display:block;width:64px;height:3px;background:var(--leaf);margin:0 0 22px}
.kicker{font-size:13px;font-weight:500;color:var(--leaf-ink);margin:0 0 10px;letter-spacing:.02em}
.sec{padding:clamp(64px,9vw,120px) 0}
.sec.tight{padding:clamp(48px,6vw,80px) 0}
.mist{background:var(--mist)}
.navy{background:var(--navy);color:#D9E2EF}
.navy h2,.navy h3{color:#fff}
.navy .lede{color:#B9C7DB}
.btn{display:inline-flex;align-items:center;gap:8px;font:500 15px/1 var(--sans);padding:15px 24px;border-radius:2px;text-decoration:none;border:1.5px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer}
.btn:hover{background:var(--navy-2);color:#fff}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.btn.light{background:#fff;color:var(--navy);border-color:#fff}
.btn.light:hover{background:transparent;color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:78px}
.brand img{height:42px;width:auto}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-size:15px}
.nav a:hover,.nav a[aria-current=page]{color:var(--blue)}
.nav a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--leaf)}
.nav .btn{padding:11px 18px;font-size:14px;color:#fff}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);padding:10px 14px;font:500 14px var(--sans);color:var(--navy);border-radius:2px}
@media (max-width:980px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:78px;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gut) 20px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px;justify-content:center;padding:15px}
}

/* hero */
.hero{position:relative;min-height:min(88vh,820px);display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 35%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,36,68,.78) 0%,rgba(15,36,68,.45) 45%,rgba(15,36,68,0) 75%),linear-gradient(180deg,rgba(15,36,68,0) 45%,rgba(15,36,68,.75))}
.hero .wrap{position:relative;z-index:1;padding-bottom:clamp(48px,7vw,88px);width:100%}
.hero h1{color:#fff;max-width:15ch}
.hero p{color:#DCE5F1;font-size:clamp(17px,1.6vw,20px);max-width:52ch;margin-top:20px}
.hero .tag{font-family:var(--serif);font-style:italic;font-size:19px;color:#fff;margin:0 0 18px;display:flex;align-items:center;gap:14px}
.hero .tag::before{content:"";width:40px;height:3px;background:var(--leaf)}

/* proof strip */
.proof{border-bottom:1px solid var(--line)}
.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.proof .wrap>div{padding:26px 22px 24px 0;border-right:1px solid var(--line)}
.proof .wrap>div+div{padding-left:22px}
.proof .wrap>div:last-child{border-right:0}
.proof b{display:block;font:400 30px/1.1 var(--serif);color:var(--navy)}
.proof span{font-size:14px;color:var(--slate)}
@media (max-width:800px){.proof .wrap{grid-template-columns:1fr 1fr}.proof b{font-size:24px}.proof .wrap>div:nth-child(2){border-right:0}.proof .wrap>div:nth-child(n+3){border-top:1px solid var(--line)}.proof .wrap>div:nth-child(3){padding-left:0}}

/* two column */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:center}
.split.wide-img{grid-template-columns:.9fr 1.1fr}
.split img{width:100%;object-fit:cover}
@media (max-width:860px){.split,.split.wide-img{grid-template-columns:1fr}}

/* lengths — the four numbers */
.lengths{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;border-top:1px solid var(--line)}
.lengths div{padding:28px 24px 8px 0}
.lengths div+div{padding-left:24px;border-left:1px solid var(--line)}
.lengths b{display:block;font:400 clamp(44px,5vw,64px)/1 var(--serif);color:var(--navy)}
.lengths p{font-size:15px;color:var(--slate);margin-top:14px}
@media (max-width:860px){.lengths{grid-template-columns:1fr 1fr}.lengths div:nth-child(3){padding-left:0;border-left:0}.lengths div:nth-child(n+3){border-top:1px solid var(--line)}}

/* the profile board — the signature element */
.board{background:var(--mist);border:1px solid var(--line);padding:clamp(24px,4vw,48px);margin-top:44px;position:relative}
.board-grid{display:flex;flex-wrap:wrap;align-items:flex-end;gap:34px 30px}
.board figure{margin:0;display:flex;flex-direction:column;align-items:flex-start;text-decoration:none}
.board figure img{display:block}
.board figcaption{margin-top:9px;font-size:12.5px;line-height:1.3;color:var(--slate)}
.board figcaption b{display:block;color:var(--navy);font-weight:500;font-size:13px}
.board .scale{position:absolute;right:clamp(24px,4vw,48px);top:clamp(16px,2.5vw,26px);font-size:12.5px;color:var(--slate);display:flex;align-items:center;gap:8px}
.board .scale i{display:inline-block;height:6px;border:1px solid var(--navy);border-top:0}
@media (max-width:600px){.board .scale{position:static;margin-bottom:18px}}

/* product family tiles */
.fam{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;margin-top:44px;background:var(--line);border:1px solid var(--line)}
.fam a{background:#fff;text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.fam .ph{aspect-ratio:4/3;overflow:hidden;background:var(--mist)}
.fam .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.fam .ph img.cut{object-fit:contain;background:#fff;padding:12px}
.fam a:hover .ph img{transform:scale(1.03)}
.fam .tx{padding:18px 20px 22px}
.fam h3{font-size:17px}
.fam p{font-size:14px;color:var(--slate);margin:6px 0 0}
@media (max-width:980px){.fam{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.fam{grid-template-columns:1fr}}

/* anatomy */
.anat{position:relative;margin-top:40px}
.anat img{width:100%}
.anat button{position:absolute;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;border:2px solid #fff;background:var(--leaf);box-shadow:0 0 0 5px rgba(154,195,84,.35);cursor:pointer;padding:0}
.anat button[aria-expanded=true]{background:var(--navy)}
.anat .tip{position:absolute;transform:translate(-50%,calc(-100% - 22px));background:#fff;color:var(--ink);padding:12px 14px;width:220px;font-size:13.5px;line-height:1.45;box-shadow:0 10px 30px rgba(15,36,68,.25);pointer-events:none}
.anat .tip b{display:block;color:var(--navy);font-weight:500;font-size:14.5px}
.anat-list{display:none}
@media (max-width:700px){.anat button,.anat .tip{display:none}.anat-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-top:20px;font-size:14px}.anat-list b{display:block;color:var(--navy);font-weight:500}}

/* firsts */
.firsts{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,36px);margin-top:44px}
.firsts img{aspect-ratio:1/1;object-fit:contain;background:#fff;border:1px solid var(--line);padding:18px;width:100%}
.firsts h3{margin-top:18px}
.firsts p{font-size:14.5px;color:var(--slate);margin-top:8px}
@media (max-width:900px){.firsts{grid-template-columns:1fr 1fr}}

/* black feature */
.black-band{background:#14181E;color:#C9CED6}
.black-band h2{color:#fff}
.black-band .lede{color:#AEB5BF}
.black-band .rule{background:var(--leaf)}
.black-band img{width:100%;height:clamp(280px,34vw,440px);object-fit:cover}

/* cta band */
.cta-band{background:var(--navy);color:#C8D4E5}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:20ch}

/* page header */
.ph-head{padding:clamp(56px,8vw,104px) 0 clamp(36px,5vw,56px);border-bottom:1px solid var(--line)}
.ph-head h1{font-size:clamp(36px,4.6vw,56px);max-width:18ch}
.ph-head .lede{margin-top:18px}

/* products page */
.subnav{position:sticky;top:78px;z-index:40;background:#fff;border-bottom:1px solid var(--line);overflow-x:auto;-webkit-overflow-scrolling:touch}
.subnav .wrap{display:flex;gap:24px;white-space:nowrap}
.subnav a{display:inline-block;padding:15px 0;font-size:14px;color:var(--slate);text-decoration:none}
.subnav a:hover{color:var(--navy)}
.prod{padding:clamp(56px,7vw,96px) 0;border-bottom:1px solid var(--line);scroll-margin-top:130px}
.prod-head{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:start;margin-bottom:36px}
.prod-head img{width:100%;max-height:380px;object-fit:cover}
.prod-head img.cut{object-fit:contain;background:#fff}
@media (max-width:860px){.prod-head{grid-template-columns:1fr}}
.note{border-left:3px solid var(--leaf);background:var(--mist);padding:16px 20px;margin:22px 0 0;font-size:15px;max-width:none}
.note b{color:var(--navy);font-weight:500}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:15px}
th{text-align:left;font-weight:500;font-size:13px;color:var(--blue);padding:10px 14px;border-bottom:2px solid var(--leaf);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:nth-child(odd) td{background:#F7F9FB}
td.num{white-space:nowrap}
td b{font-weight:500;color:var(--navy)}
td.pcell{text-align:center;padding-top:14px;padding-bottom:14px}
td img.prof{display:inline-block;max-width:none;height:auto}
.tables{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media (max-width:860px){.tables{grid-template-columns:1fr}}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:36px}
.cols3 img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;border:1px solid var(--line);padding:10px}
.cols3 h3{font-size:16px;margin-top:12px}
@media (max-width:760px){.cols3{grid-template-columns:1fr}}

/* CAD library */
.cad-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:0 0 28px}
.cad-tools input{flex:1 1 280px;font:400 16px var(--sans);padding:14px 16px;border:1px solid #C9D2DE;border-radius:2px;color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{font:400 14px var(--sans);padding:9px 14px;border:1px solid var(--line);background:#fff;color:var(--slate);border-radius:20px;cursor:pointer}
.chips button[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.cad-count{font-size:14px;color:var(--slate);margin:0 0 16px}
.cad{display:grid;grid-template-columns:repeat(auto-fill,minmax(212px,1fr));gap:18px}
.cad a{display:flex;flex-direction:column;border:1px solid var(--line);background:#fff;text-decoration:none;color:var(--ink)}
.cad a:hover{border-color:var(--blue)}
.cad .pv{height:150px;display:flex;align-items:center;justify-content:center;padding:18px;background:var(--mist);border-bottom:1px solid var(--line)}
.cad .pv img,.cad .pv svg{max-width:100%;max-height:112px;width:auto;height:auto}
.cad .pv svg{width:100%}
.cad .pv img.photo{max-height:118px;object-fit:contain;mix-blend-mode:multiply}
.cad .pv img.dwg{max-height:120px;background:#fff;border:1px solid var(--line)}
.pdf-tile{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12.5px;color:var(--slate)}
.pdf-tile svg{width:34px!important;height:auto}
.cad .t{padding:13px 14px 15px;display:flex;flex-direction:column;gap:2px;flex:1}
.cad .t b{font-weight:500;color:var(--navy);font-size:15px;line-height:1.3}
.cad .t span{font-size:13px;color:var(--slate)}
.cad .t em{font-style:normal;font-size:12.5px;color:var(--blue);margin-top:auto;padding-top:8px}
.cad-empty{padding:40px;text-align:center;border:1px dashed var(--line);color:var(--slate)}
.docs{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.docs a{display:block;padding:20px 20px 20px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.docs a:nth-child(odd){border-right:1px solid var(--line)}
.docs a:nth-child(even){padding-left:24px}
.docs b{display:block;font-weight:500;color:var(--navy)}
.docs span{font-size:14px;color:var(--slate)}
@media (max-width:760px){.docs{grid-template-columns:1fr}.docs a:nth-child(odd){border-right:0}.docs a:nth-child(even){padding-left:0}}

/* performance */
.ccrr{display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,5vw,64px);align-items:center;background:var(--navy);color:#C8D4E5;padding:clamp(28px,4vw,48px)}
.ccrr b{display:block;font:400 clamp(40px,5vw,60px)/1 var(--sans);color:#fff;letter-spacing:.01em;font-weight:300}
.ccrr small{display:block;font-size:13px;color:#9FB2CC;margin-bottom:8px}
@media (max-width:700px){.ccrr{grid-template-columns:1fr}}
.checks{list-style:none;padding:0;margin:0;columns:2;column-gap:40px}
.checks li{padding:9px 0 9px 26px;position:relative;break-inside:avoid;border-bottom:1px solid var(--line)}
.checks li::before{content:"";position:absolute;left:0;top:17px;width:10px;height:10px;border-radius:50%;background:var(--leaf)}
@media (max-width:640px){.checks{columns:1}}
.howto{display:grid;grid-template-columns:1fr 1fr;gap:28px 56px;margin-top:40px}
.howto h3{font-size:17px;margin-bottom:8px}
.howto p{font-size:15px;color:var(--slate)}
@media (max-width:760px){.howto{grid-template-columns:1fr}}

/* forms */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:14px;font-weight:500;color:var(--navy);margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:400 16px var(--sans);padding:13px 14px;border:1px solid #C9D2DE;border-radius:2px;background:#fff;color:var(--ink)}
.form textarea{min-height:130px;resize:vertical}
.form .hp{display:none}
@media (max-width:640px){.form{grid-template-columns:1fr}}

/* footer */
.ftr{background:var(--navy-2);color:#9FB0C8;padding:64px 0 36px;font-size:14px}
.ftr .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.ftr img{height:46px;width:auto;margin-bottom:18px}
.ftr h4{font:500 14px var(--sans);color:#fff;margin:0 0 12px}
.ftr a{color:#C9D5E6;text-decoration:none;display:block;padding:4px 0}
.ftr a:hover{color:#fff}
.ftr .base{border-top:1px solid #23395E;margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}
.ftr .base a{display:inline}
@media (max-width:860px){.ftr .cols{grid-template-columns:1fr 1fr}}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:8px}

/* dealer listing */
.dealer{margin-top:28px;border:1px solid var(--line);border-top:3px solid var(--leaf);background:#fff;display:grid;grid-template-columns:1.1fr 2fr;gap:clamp(20px,3vw,44px);padding:clamp(22px,3vw,36px)}
.dealer h3{font-family:var(--serif);font-size:clamp(26px,2.6vw,34px);font-weight:400;color:var(--navy);margin:0 0 10px}
.dealer-name p{color:var(--slate);margin:0}
.dealer-locs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dealer-locs h4{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin:0 0 8px;font-weight:500}
.dealer-locs p{margin:0 0 8px;line-height:1.55}
.dealer-locs a{color:var(--blue)}
@media (max-width:860px){.dealer{grid-template-columns:1fr}.dealer-locs{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.dealer-locs{grid-template-columns:1fr}}