/* Sterling Windows & Doors: light, architectural layout */
:root{
  --white:#fff; --grey:#f6f6f5; --grey2:#ececea; --line:#dcdcd8;
  --ink:#2e2f33; --text:#5d5e62; --soft:#8a8b8f;
  --dark:#1b1c1f; --dark2:#26272b;
  --brass:#b08d4f; --brass-l:#d4b47a;
  --display:"Hanken Grotesk","Helvetica Neue",Helvetica,Arial,sans-serif;
  --sans:"Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --max:1300px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--text);font-family:var(--sans);font-size:15.5px;line-height:1.75;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.15}
h1{font-size:clamp(2.6rem,5.6vw,4.6rem);color:#fcfaf6;font-weight:600;letter-spacing:-.02em;line-height:1.05}
h2{font-size:clamp(2rem,3.7vw,3.2rem);letter-spacing:-.015em}
h3{font-size:1.28rem;font-weight:600;margin-bottom:.45rem}
.accent{color:var(--brass)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 50px}

/* Eyebrow with leading rule */
.eyebrow{display:inline-flex;align-items:center;gap:16px;font-family:var(--display);font-size:.8rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--soft);margin-bottom:1.1rem}
.eyebrow-line::before{content:"";width:42px;height:1px;background:currentColor;opacity:.7}
.eyebrow.light{color:#e6e2da}

/* Buttons: square, outlined, small caps */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 28px;border:1px solid var(--ink);color:var(--ink);background:transparent;font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;border-radius:0;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--ink);color:#fff}
.btn.light{border-color:rgba(255,255,255,.9);color:#fff}
.btn.light:hover{background:#fff;color:var(--dark)}
.btn.sm{padding:10px 18px;font-size:.64rem}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:var(--brass);border-color:var(--brass)}
.text-link{display:inline-block;margin-top:18px;font-weight:600;color:var(--ink);font-size:.92rem}
.text-link:hover{color:var(--brass)}

/* Header (overlays hero) */
.site-header{position:absolute;inset:0 0 auto 0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:96px;border-bottom:1px solid rgba(255,255,255,.45);max-width:calc(var(--max) - 100px);padding:0}
.site-header .nav{margin:0 auto;width:calc(100% - 100px)}
.brand{display:block;line-height:0}
.brand img{height:56px;width:auto}
.nav ul{display:flex;gap:28px;list-style:none;align-items:center}
.nav ul a{color:#fff;font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.nav ul a:not(.btn):hover{color:var(--brass-l)}
.nav ul .btn{border-color:#fff;color:#fff;padding:12px 20px;margin-left:6px}
.nav ul .btn:hover{background:#fff;color:var(--dark)}
.menu-toggle{display:none;background:none;border:0;color:#fff;width:44px;height:44px;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:currentColor;margin:5px auto;transition:.25s}

/* Hero */
.hero{position:relative;min-height:100vh;min-height:max(640px,100vh);display:flex;align-items:flex-end;padding:160px 0 120px;overflow:hidden;background:var(--dark)}
.hero-art,.hero-art svg,.hero-art img{position:absolute;inset:0;width:100%;height:100%}
.hero-art img{object-fit:cover;object-position:60% 50%}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,15,17,.78) 0%,rgba(15,15,17,.45) 48%,rgba(15,15,17,.05) 100%),linear-gradient(0deg,rgba(15,15,17,.45),transparent 40%),linear-gradient(180deg,rgba(15,15,17,.45),transparent 22%)}
.hero-inner{position:relative;width:100%}
.hero h1{max-width:820px}
.hero h1 .accent{color:var(--brass-l)}
.hero-sub{color:#e9e6e0;font-size:1.08rem;font-weight:400;margin:1.2rem 0 2.2rem;max-width:560px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

/* Pillars band with ghost words */
.pillars{background:var(--grey2);padding:64px 0 58px}
.pillar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.pillar{position:relative;padding-top:44px}
.ghost-word{position:absolute;top:-18px;left:-4px;font-family:var(--display);font-weight:700;font-size:5.2rem;line-height:1;letter-spacing:-.04em;color:rgba(46,47,51,.07);pointer-events:none;white-space:nowrap}
.pillar h3{position:relative;text-transform:uppercase;letter-spacing:.08em;font-size:1rem}
.pillar p{position:relative;font-size:.9rem}

/* Generic sections */
.sec{padding:110px 0}
.sec.grey{background:var(--grey)}
.split-head{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;margin-bottom:56px}
.split-head > div:last-child{padding-top:34px}

/* Product carousel */
.carousel-wrap{position:relative}
.carousel{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 3*16px)/4);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px;outline:none}
.carousel::-webkit-scrollbar{display:none}
.card{scroll-snap-align:start;background:var(--grey);display:flex;flex-direction:column}
.card .visual{height:230px;display:flex;align-items:center;justify-content:center;color:var(--brass-l);
  background:radial-gradient(90% 80% at 70% 15%,rgba(212,180,122,.18),transparent 60%),linear-gradient(160deg,#34353a,#1b1c1f)}
.card .visual svg{height:118px;width:auto;max-width:62%}
.card .visual.photo{position:relative;overflow:hidden;background:var(--dark)}
.card .visual.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card .body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.card p{font-size:.9rem}
.card ul{list-style:none;margin:14px 0 22px;font-size:.84rem}
.card li{padding:6px 0;border-top:1px solid var(--line)}
.card li::before{content:"\2014";color:var(--brass);margin-right:10px}
.card .btn{margin-top:auto;align-self:flex-start}
.carousel-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}
.arrow{width:46px;height:46px;border-radius:50%;border:0;background:var(--ink);color:#fff;font-size:1.1rem;cursor:pointer;transition:.2s}
.arrow:hover{background:var(--brass)}

/* Dark band */
.band{position:relative;background:var(--dark);padding:120px 0;overflow:hidden}
.band-art{position:absolute;inset:0;opacity:.5;
  background:
   repeating-linear-gradient(90deg,transparent 0 118px,rgba(0,0,0,.55) 118px 126px),
   repeating-linear-gradient(0deg,transparent 0 150px,rgba(0,0,0,.55) 150px 158px),
   radial-gradient(70% 90% at 80% 100%,rgba(212,160,96,.55),transparent 70%),
   linear-gradient(180deg,#2c2d31,#1b1c1f)}
.band .split-head{position:relative;margin-bottom:0}
.on-dark h2{color:#fff}.on-dark h2 .accent{color:var(--brass-l)}
.on-dark p{color:#d9d6cf;margin-bottom:26px}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:#fff;padding:36px 30px 34px;border-top:2px solid var(--brass)}
.step .num{display:block;font-family:var(--display);font-weight:700;font-size:3rem;line-height:1;color:rgba(46,47,51,.12);margin-bottom:18px}
.step p{font-size:.9rem}

/* Gallery */
.gallery-split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.gallery-split h2{margin-bottom:1rem}
.gallery-split .btn{margin-top:26px}
.note{margin-top:16px;font-family:var(--display);font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--brass)}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.slot{position:relative;aspect-ratio:1/0.86;overflow:hidden;
  background:radial-gradient(110% 80% at 75% 85%,rgba(236,193,132,.55),transparent 60%),linear-gradient(170deg,#8f8a84 0%,#c9b9a3 60%,#b39572 100%)}
.gallery .slot.offset{transform:translateY(28px)}
.slot:nth-child(2n){background:radial-gradient(110% 80% at 20% 90%,rgba(236,193,132,.5),transparent 60%),linear-gradient(190deg,#77736f 0%,#b9ab99 62%,#a3876a 100%)}
.slot:nth-child(3n){background:radial-gradient(120% 80% at 50% 100%,rgba(236,193,132,.45),transparent 60%),linear-gradient(180deg,#a09a92 0%,#d3c4ae 70%,#b8997a 100%)}
.slot::before{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,transparent calc(33.3% - 3px),#1b1c1f calc(33.3% - 3px) calc(33.3% + 3px),transparent calc(33.3% + 3px) calc(66.6% - 3px),#1b1c1f calc(66.6% - 3px) calc(66.6% + 3px),transparent calc(66.6% + 3px)),
  linear-gradient(0deg,transparent calc(50% - 3px),#1b1c1f calc(50% - 3px) calc(50% + 3px),transparent calc(50% + 3px));opacity:.85}
.slot::after{content:"";position:absolute;inset:0;border:10px solid #1b1c1f}
.slot:has(img)::before,.slot:has(img)::after{display:none}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:110px}
.strip .slot{aspect-ratio:16/10}

/* About: split white / grey */
.about{display:grid;grid-template-columns:1fr 1fr}
.about-copy{background:#fff;padding:110px 70px 110px max(50px,calc((100vw - var(--max))/2 + 50px))}
.about-copy h2{margin-bottom:1.2rem}
.about-copy p+p{margin-top:1rem}
.about-sub{font-size:1.15rem;margin-top:2rem}
.about-sub+p{margin-top:.6rem!important}
.about-panel{background:var(--grey2);display:flex;align-items:center;padding:110px max(50px,calc((100vw - var(--max))/2 + 50px)) 110px 70px}
.about-panel dl{display:grid;grid-template-columns:auto 1fr;gap:18px 28px;width:100%;max-width:520px}
.about-panel dt{font-family:var(--display);font-weight:600;font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--soft);padding-top:3px}
.about-panel dd{color:var(--ink);font-weight:500;padding-bottom:18px;border-bottom:1px solid var(--line)}

/* Service area marquee + cards */
.marquee{overflow:hidden;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:56px}
.marquee-track{display:flex;width:max-content;animation:marq 40s linear infinite}
.marquee-track span{font-family:var(--display);font-weight:700;font-size:.95rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);padding:16px 34px;white-space:nowrap}
.marquee-track span::after{content:"";display:inline-block;width:6px;height:6px;background:var(--brass);transform:rotate(45deg);margin-left:68px;vertical-align:middle}
@keyframes marq{to{transform:translateX(-50%)}}
.areas{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.area{background:#fff;padding:30px}
.area h3{font-size:1.15rem}
.area p{font-size:.9rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}
.contact-grid h2{margin-bottom:1rem}
.contact-info{list-style:none;margin-top:30px}
.contact-info li{padding:16px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:.92rem;color:var(--ink)}
.contact-info li:last-child{border-bottom:1px solid var(--line)}
.contact-info li b{font-family:var(--display);font-weight:600;color:var(--soft);letter-spacing:.2em;text-transform:uppercase;font-size:.72rem;padding-top:2px}
.contact-info a:hover{color:var(--brass)}
.contact-info span{text-align:right}
form.quote{background:var(--grey);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
label{font-family:var(--display);font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--soft)}
input,select,textarea{font:inherit;font-size:.95rem;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:0;padding:13px 14px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px rgba(176,141,79,.15)}
textarea{min-height:130px;resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:10px 20px}
.checks label{display:flex;align-items:center;gap:8px;text-transform:none;letter-spacing:0;font-family:var(--sans);font-weight:500;font-size:.9rem;color:var(--ink)}
.checks input{width:auto;accent-color:var(--brass)}
.hidden{position:absolute;left:-9999px}
.form-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.form-foot small{color:var(--soft);font-size:.8rem}

/* Footer (light) */
footer{border-top:1px solid var(--line);padding:70px 0 0;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.foot-brand img{height:50px;width:auto;margin-bottom:18px}
footer h4{font-size:1.05rem;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin-bottom:9px;color:var(--ink);font-weight:500}
footer li a:hover{color:var(--brass)}
.foot-bottom{margin-top:56px;padding-top:24px;padding-bottom:30px;border-top:1px solid var(--ink);text-align:center;font-size:.8rem;justify-content:center;display:flex}

/* Simple pages (thanks / 404) */
.simple{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 24px;background:var(--grey)}
.simple img{height:120px;width:auto;margin:0 auto 36px}
.simple h1{color:var(--ink)}
.simple p{margin:1rem auto 2rem;max-width:520px}
.simple a:not(.btn){color:var(--brass);font-weight:600}

/* Responsive */
@media (max-width:1100px){
  .carousel{grid-auto-columns:calc((100% - 2*16px)/3)}
  .nav ul{gap:20px}
}
@media (max-width:980px){
  .wrap{padding:0 30px}
  .site-header .nav{width:calc(100% - 60px)}
  .menu-toggle{display:block}
  .nav ul{position:fixed;inset:0;flex-direction:column;justify-content:center;gap:4px;background:rgba(20,20,22,.97);transform:translateX(100%);transition:transform .35s;z-index:-1}
  .nav ul a{display:block;font-size:.95rem;padding:12px 0;text-align:center}
  .nav ul .btn{margin:18px 0 0}
  body.menu-open .nav ul{transform:none}
  body.menu-open{overflow:hidden}
  body.menu-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.menu-open .menu-toggle span:nth-child(2){opacity:0}
  body.menu-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .pillar-grid{grid-template-columns:repeat(2,1fr);gap:46px 30px}
  .carousel{grid-auto-columns:calc((100% - 16px)/2)}
  .split-head,.gallery-split,.contact-grid{grid-template-columns:1fr;gap:20px}
  .gallery-split{gap:50px}
  .split-head > div:last-child{padding-top:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .areas{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr}
  .about-copy,.about-panel{padding:80px 30px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:15px}
  .wrap{padding:0 22px}
  .site-header .nav{width:calc(100% - 44px);height:84px}
  .brand img{height:40px}
  .hero{min-height:max(600px,92vh);padding:130px 0 70px}
  .hero-sub{font-size:1rem}
  .hero-ctas .btn{flex:1 1 calc(50% - 7px);padding:15px 10px;font-size:.66rem}
  .pillars{padding:48px 0}
  .pillar-grid{grid-template-columns:1fr;gap:34px}
  .ghost-word{font-size:4.2rem}
  .sec,.band{padding:76px 0}
  .split-head{margin-bottom:36px}
  .carousel{grid-auto-columns:86%}
  .steps{grid-template-columns:1fr}
  .areas{grid-template-columns:1fr 1fr;gap:10px}.area{padding:20px 16px}.area h3{font-size:1rem}.area p{font-size:.82rem;line-height:1.6}
  .hero .eyebrow-line::before{width:24px}.hero .eyebrow{letter-spacing:.16em;font-size:.7rem}
  .gallery{gap:10px}.gallery .slot.offset{transform:translateY(18px)}
  .strip{grid-template-columns:1fr 1fr;margin-top:70px}.strip .slot:nth-child(3){display:none}
  .about-copy,.about-panel{padding:70px 22px}
  .about-panel dl{grid-template-columns:1fr;gap:4px}
  .about-panel dd{margin-bottom:14px}
  .marquee{margin-bottom:36px}
  form.quote{grid-template-columns:1fr;padding:26px 20px}
  .contact-info li{flex-direction:column;gap:2px}.contact-info span{text-align:left}
  .foot-grid{grid-template-columns:1fr;gap:30px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid currentColor;opacity:.75;transition:opacity .25s,color .25s}
.foot-social a:hover{opacity:1;color:var(--brass)}
.note a{color:var(--brass);font-weight:600}

/* Photo hero: stronger shade on small screens so the text stays readable */
@media (max-width:700px){.hero-shade{background:linear-gradient(0deg,rgba(15,15,17,.88) 0%,rgba(15,15,17,.6) 55%,rgba(15,15,17,.4) 100%)}}