/* Framex — premium window & door manufacturer. Graphite ink + glass-steel blue + warm brass. */
:root{
  --ink:#0d131c; --ink-2:#131b26; --ink-3:#1b2531; --line:rgba(255,255,255,.09);
  --paper:#f6f5f1; --paper-2:# ; --mut:#9aa7b6; --mut-2:#6c7a89;
  --txt:#e9edf2; --txt-dark:#1b232d;
  --blue:#2e7be4; --blue-2:#5aa0ff; --blue-ink:#0f3f7a;
  --brass:#c9a15a; --brass-2:#e0be86;
  --glass:rgba(255,255,255,.045); --glass-2:rgba(255,255,255,.07);
  --r:16px; --r-lg:26px; --shadow:0 24px 60px -24px rgba(0,0,0,.6);
  --serif:"Fraunces",Georgia,serif; --sans:"Inter",system-ui,-apple-system,sans-serif;
  --max:1240px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);background:var(--ink);color:var(--txt);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:520;line-height:1.08;letter-spacing:-.02em;margin:0}
h2{font-size:clamp(2rem,4.4vw,3.25rem)}
h3{font-size:clamp(1.35rem,2.4vw,1.7rem)}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,44px)}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:12px 18px;z-index:200;border-radius:0 0 10px 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--blue-2);outline-offset:3px;border-radius:6px}

/* ---------- NAV ---------- */
header.nav{position:fixed;inset:0 0 auto 0;z-index:100;transition:.4s var(--ease);
  background:linear-gradient(180deg,rgba(10,15,22,.72),rgba(10,15,22,0));backdrop-filter:blur(2px)}
header.nav.solid{background:rgba(11,16,23,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:0 10px 40px -20px #000}
.nav-in{display:flex;align-items:center;gap:28px;height:74px;max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,44px)}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:1.5rem;letter-spacing:.14em;font-weight:600}
.brand b{color:#fff}.brand .dot{color:var(--blue-2)}
.brand svg{width:26px;height:26px;color:var(--blue-2)}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{padding:9px 15px;border-radius:10px;font-size:.94rem;font-weight:500;color:var(--mut);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:var(--glass)}
.nav-cta{margin-left:8px;background:var(--blue);color:#fff!important;padding:11px 20px!important;border-radius:11px;font-weight:600;box-shadow:0 8px 26px -10px var(--blue)}
.nav-cta:hover{background:var(--blue-2);transform:translateY(-1px)}
.burger{display:none;margin-left:auto;background:none;border:0;color:#fff;cursor:pointer;width:44px;height:44px}
.burger svg{width:26px;height:26px}
.mobmenu{position:fixed;inset:0;z-index:110;background:var(--ink-2);padding:90px 28px 40px;
  transform:translateX(100%);transition:.4s var(--ease);visibility:hidden;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.mobmenu.open{transform:none;visibility:visible}
.mobmenu a{padding:15px 8px;font-size:1.2rem;font-family:var(--serif);border-bottom:1px solid var(--line)}
.mobmenu .nav-cta{margin-top:18px;text-align:center;border-radius:12px}
.mob-close{position:absolute;top:22px;right:22px;background:none;border:0;color:#fff;width:44px;height:44px;cursor:pointer}
.mob-close svg{width:28px;height:28px}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,20,.55) 0%,rgba(10,14,20,.35) 40%,rgba(10,14,20,.92) 100%),
  linear-gradient(90deg,rgba(10,14,20,.6),transparent 60%)}
.hero-in{position:relative;z-index:2;padding-bottom:clamp(56px,9vh,110px);max-width:var(--max);margin:0 auto;width:100%;padding-left:clamp(20px,5vw,44px);padding-right:clamp(20px,5vw,44px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--brass-2);font-weight:600;margin-bottom:22px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--brass)}
.hero h1{font-size:clamp(2.7rem,7vw,5.4rem);max-width:15ch;margin-bottom:22px}
.hero h1 em{font-style:italic;color:var(--blue-2)}
.hero .lead{font-size:clamp(1.05rem,1.7vw,1.32rem);color:#d6dde5;max-width:52ch;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:52px;flex-wrap:wrap}
.hero-stats .s b{font-family:var(--serif);font-size:2.4rem;color:#fff;display:block;line-height:1}
.hero-stats .s span{font-size:.85rem;color:var(--mut);letter-spacing:.04em}
.scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;color:var(--mut);animation:bob 2.4s var(--ease) infinite}
@keyframes bob{50%{transform:translate(-50%,8px)}}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:13px;font-weight:600;font-size:1rem;cursor:pointer;border:0;transition:.25s var(--ease);font-family:var(--sans)}
.btn svg{width:19px;height:19px}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 14px 34px -12px var(--blue)}
.btn-p:hover{background:var(--blue-2);transform:translateY(-2px);box-shadow:0 20px 44px -12px var(--blue)}
.btn-g{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line);backdrop-filter:blur(8px)}
.btn-g:hover{background:rgba(255,255,255,.15)}
.btn-brass{background:var(--brass);color:#241c0c}.btn-brass:hover{background:var(--brass-2)}
.btn-lg{padding:18px 34px;font-size:1.06rem}

/* ---------- SECTIONS ---------- */
section{position:relative}
.sec{padding:clamp(72px,11vh,130px) 0}
.sec-dark{background:var(--ink)}
.sec-2{background:linear-gradient(180deg,var(--ink),var(--ink-2))}
.sec-paper{background:var(--paper);color:var(--txt-dark)}
.sec-paper h2,.sec-paper h3{color:#12181f}
.sec-paper .mut{color:#5a6673}
.sec-head{max-width:66ch;margin-bottom:56px}
.sec-head.center{margin:0 auto 56px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--blue-2);margin-bottom:18px}
.sec-paper .kicker{color:var(--blue-ink)}
.kicker .mk{width:22px;height:22px;color:var(--brass)}
.sec-head p{color:var(--mut);font-size:1.1rem;margin-top:16px}
.sec-paper .sec-head p{color:#5a6673}

/* USP strip */
.usp{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.usp .u{background:var(--ink-2);padding:34px 26px;transition:.3s}
.usp .u:hover{background:var(--ink-3)}
.usp .u svg{width:32px;height:32px;color:var(--blue-2);margin-bottom:16px;stroke-width:1.4}
.usp .u b{font-family:var(--serif);font-size:1.22rem;color:#fff;display:block;margin-bottom:6px}
.usp .u span{font-size:.94rem;color:var(--mut)}

/* Product cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.35s var(--ease);position:relative}
.card:hover{transform:translateY(-6px);border-color:rgba(90,160,255,.4);box-shadow:var(--shadow)}
.card .ph{aspect-ratio:4/3;overflow:hidden;position:relative}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.card:hover .ph img{transform:scale(1.06)}
.card .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,19,28,.6))}
.card .bd{padding:26px 26px 30px}
.card .tag{position:absolute;top:16px;left:16px;z-index:2;background:rgba(11,16,23,.8);backdrop-filter:blur(8px);color:var(--brass-2);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:7px 13px;border-radius:8px;border:1px solid var(--line)}
.card h3{margin-bottom:10px}
.card p{color:var(--mut);font-size:.97rem;margin-bottom:16px}
.card .more{display:inline-flex;align-items:center;gap:8px;color:var(--blue-2);font-weight:600;font-size:.92rem}
.card .more svg{width:16px;height:16px;transition:.25s}
.card:hover .more svg{transform:translateX(4px)}

/* Feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.split.rev .txt{order:2}
.split .media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);position:relative}
.split .media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.split .txt h2{margin-bottom:20px}
.feat-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.feat-list li{display:flex;gap:14px;align-items:flex-start;font-size:1.02rem;color:var(--txt)}
.sec-paper .feat-list li{color:#2a333d}
.feat-list li svg{width:24px;height:24px;color:var(--blue);flex:none;margin-top:1px}
.feat-list.paper li svg{color:var(--blue-ink)}

/* Reference / gallery masonry */
.gal{columns:3;column-gap:18px}
.gal a{display:block;margin-bottom:18px;border-radius:16px;overflow:hidden;position:relative;break-inside:avoid;cursor:zoom-in;border:1px solid var(--line)}
.gal img{width:100%;transition:.5s var(--ease)}
.gal a:hover img{transform:scale(1.05)}
.gal a .cap{position:absolute;inset:auto 0 0 0;padding:34px 16px 14px;font-size:.86rem;font-weight:600;color:#fff;
  background:linear-gradient(transparent,rgba(8,12,18,.85));opacity:0;transition:.3s}
.gal a:hover .cap{opacity:1}

/* Reference logos row */
.partners{display:flex;flex-wrap:wrap;gap:38px 54px;align-items:center;justify-content:center;opacity:.85}
.partners img{height:38px;width:auto;filter:brightness(0) invert(1);opacity:.7;transition:.3s}
.partners img:hover{opacity:1}

/* Salony cards */
.salony{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.salon{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.3s}
.salon:hover{border-color:var(--blue);background:var(--ink-3)}
.salon .badge{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-2);font-weight:700;margin-bottom:12px;display:block}
.salon h3{font-size:1.3rem;margin-bottom:6px}
.salon .addr{color:var(--mut);font-size:.96rem;margin-bottom:16px}
.salon a.tel{display:inline-flex;align-items:center;gap:9px;color:var(--blue-2);font-weight:600;font-size:.98rem}
.salon a.tel svg{width:17px;height:17px}

/* CTA band */
.band{background:linear-gradient(120deg,var(--blue-ink),var(--ink));border-radius:var(--r-lg);padding:clamp(44px,7vw,80px);position:relative;overflow:hidden;border:1px solid var(--line)}
.band::before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;background:radial-gradient(circle,rgba(90,160,255,.35),transparent 70%)}
.band-in{position:relative;z-index:2;max-width:60ch}
.band h2{margin-bottom:18px}
.band p{color:#cdd8e6;font-size:1.12rem;margin-bottom:30px}

/* FAQ */
.faq{max-width:840px;margin:0 auto;display:grid;gap:14px}
details{background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:4px 24px;transition:.3s}
details[open]{border-color:rgba(90,160,255,.35);background:var(--ink-3)}
summary{cursor:pointer;list-style:none;padding:20px 0;font-weight:600;font-size:1.08rem;display:flex;justify-content:space-between;gap:16px;align-items:center;font-family:var(--serif)}
summary::-webkit-details-marker{display:none}
summary .ic{flex:none;width:26px;height:26px;color:var(--blue-2);transition:.3s}
details[open] summary .ic{transform:rotate(45deg)}
details .a{padding:0 0 22px;color:var(--mut);font-size:1rem}

/* Form (demo) */
.demo-banner{background:linear-gradient(90deg,rgba(201,161,90,.16),rgba(201,161,90,.05));border:1px solid rgba(201,161,90,.35);
  border-radius:14px;padding:16px 22px;display:flex;gap:14px;align-items:center;color:var(--brass-2);font-size:.94rem;margin-bottom:32px}
.demo-banner svg{width:24px;height:24px;flex:none}
.formcard{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(28px,4vw,48px)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-size:.86rem;font-weight:600;color:var(--mut);letter-spacing:.02em}
.field input,.field textarea{background:var(--ink);border:1px solid var(--line);border-radius:11px;padding:14px 16px;color:#fff;font:inherit;font-size:1rem;transition:.2s}
.field input:focus,.field textarea:focus{border-color:var(--blue);outline:none;background:var(--ink-3)}
.field textarea{resize:vertical;min-height:120px}
/* custom dropdown */
.dd{position:relative}
.dd-btn{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:11px;padding:14px 16px;color:#fff;font:inherit;font-size:1rem;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.dd-btn.placeholder{color:var(--mut-2)}
.dd-btn svg{width:18px;height:18px;color:var(--mut);transition:.3s}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-btn:focus{border-color:var(--blue);outline:none}
.dd-list{position:absolute;top:calc(100% + 8px);left:0;right:0;background:var(--ink-3);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);z-index:20;overflow:hidden;max-height:0;opacity:0;pointer-events:none;transition:.22s var(--ease)}
.dd.open .dd-list{max-height:340px;opacity:1;pointer-events:auto;overflow-y:auto}
.dd-list button{display:block;width:100%;text-align:left;background:none;border:0;color:var(--txt);padding:13px 16px;font:inherit;font-size:.97rem;cursor:pointer}
.dd-list button:hover,.dd-list button.sel{background:var(--blue);color:#fff}

/* Toast */
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,140%);z-index:300;background:var(--ink-3);border:1px solid var(--blue);
  border-radius:14px;padding:18px 24px;display:flex;gap:14px;align-items:flex-start;max-width:440px;box-shadow:var(--shadow);transition:.45s var(--ease)}
.toast.show{transform:translate(-50%,0)}
.toast svg{width:24px;height:24px;color:var(--blue-2);flex:none;margin-top:1px}
.toast b{display:block;margin-bottom:3px;color:#fff}
.toast span{color:var(--mut);font-size:.92rem}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:400;background:rgba(6,9,13,.95);display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:.3s;padding:30px}
.lb.open{opacity:1;pointer-events:auto}
.lb img{max-width:92vw;max-height:86vh;border-radius:12px;box-shadow:0 30px 80px -20px #000}
.lb-close,.lb-nav{position:absolute;background:rgba(255,255,255,.1);border:1px solid var(--line);color:#fff;width:52px;height:52px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-close{top:26px;right:26px}.lb-nav{top:50%;transform:translateY(-50%)}
.lb-nav.prev{left:26px}.lb-nav.next{right:26px}
.lb-nav svg,.lb-close svg{width:24px;height:24px}
.lb-nav:hover,.lb-close:hover{background:var(--blue)}

/* Page hero (interior pages) */
.phero{padding:150px 0 70px;position:relative;overflow:hidden;background:var(--ink-2);border-bottom:1px solid var(--line)}
.phero::before{content:"";position:absolute;right:-10%;top:-40%;width:60%;height:180%;background:radial-gradient(circle,rgba(46,123,228,.14),transparent 65%)}
.phero .crumb{color:var(--mut-2);font-size:.86rem;margin-bottom:16px}
.phero .crumb a:hover{color:var(--blue-2)}
.phero h1{font-size:clamp(2.3rem,5.5vw,4rem);max-width:18ch;margin-bottom:18px}
.phero p{color:var(--mut);font-size:1.15rem;max-width:60ch}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.step{position:relative;padding-top:14px}
.step .n{font-family:var(--serif);font-size:3rem;color:var(--blue-ink);line-height:1;margin-bottom:12px;display:block;-webkit-text-stroke:1px var(--blue-2);color:transparent}
.step h3{font-size:1.2rem;margin-bottom:8px}
.step p{color:var(--mut);font-size:.96rem}

/* Audit note box (on about) */
.note{background:var(--ink-2);border:1px solid var(--line);border-left:3px solid var(--brass);border-radius:12px;padding:22px 26px;color:var(--mut);font-size:.98rem}

/* FOOTER */
footer{background:#080c11;border-top:1px solid var(--line);padding:70px 0 34px}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:50px}
footer .brand{margin-bottom:18px}
footer p{color:var(--mut-2);font-size:.94rem;max-width:34ch}
.f-col h4{font-family:var(--sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin-bottom:18px;font-weight:700}
.f-col a{display:block;color:var(--mut);font-size:.95rem;padding:6px 0;transition:.2s}
.f-col a:hover{color:var(--blue-2)}
.f-contact a{display:flex;gap:10px;align-items:center;margin-bottom:12px;color:var(--txt)}
.f-contact svg{width:18px;height:18px;color:var(--blue-2);flex:none}
.f-bottom{border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--mut-2);font-size:.85rem}
.f-bottom .demo-tag{color:var(--brass-2)}

/* reveal */
.js [data-rev]{opacity:0;transform:translateY(28px);transition:.8s var(--ease)}
.js [data-rev].in{opacity:1;transform:none}
[data-rev-d="1"]{transition-delay:.08s}[data-rev-d="2"]{transition-delay:.16s}[data-rev-d="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.js [data-rev]{opacity:1!important;transform:none!important;transition:none}
 .scrollcue{animation:none}html{scroll-behavior:auto}}

/* scrollbar */
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:var(--ink-3);border-radius:8px;border:3px solid var(--ink)}
::-webkit-scrollbar-thumb:hover{background:#31404f}
html{scrollbar-color:var(--ink-3) var(--ink);scrollbar-width:thin}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .nav-links{display:none}.burger{display:block}
  .usp,.cards,.salony,.steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}.split.rev .txt{order:0}
  .gal{columns:2}.f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  body{font-size:16px}
  .usp,.cards,.salony,.steps,.fgrid,.f-grid{grid-template-columns:1fr}
  .gal{columns:1}.hero-stats{gap:26px}
  .hero-stats .s b{font-size:1.9rem}
  .nav-in{height:64px}
}