:root{--navy:#2E3352;--cream:#F5F0E8;--gold-base:#C4A96B;--gold-bright:#f7e08b;--gold:var(--gold-base);--white:#FFF}
*{margin:0;padding:0;box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
@supports (overflow-x:clip){html,body{overflow-x:clip}}
html{scroll-behavior:smooth}
img,svg,video,canvas{max-width:100%}
body{font-family:'Montserrat',sans-serif;font-weight:600;background:var(--navy);color:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Cormorant Garamond',serif;font-weight:700}
.label{font-weight:800;font-size:.65rem;letter-spacing:.35em;text-transform:uppercase;color:var(--gold)}
.section-inner{max-width:1200px;margin:0 auto;padding:5.2rem 2.5rem}
.gold-line{width:48px;height:1px;background:var(--gold);margin:.95rem 0}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:1rem 3rem;background:transparent;transition:background .4s,padding .25s ease;--gold:var(--gold-bright)}
nav.scrolled{background:rgba(46,51,82,.97);backdrop-filter:blur(8px);box-shadow:0 2px 24px rgba(0,0,0,.18)}
.nav-logo-img{width:190px;height:auto;display:block}
.nav-links{display:flex;gap:2.1rem;list-style:none}
.nav-links a{font-weight:800;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--white);text-decoration:none;opacity:.85}
.nav-links a:hover{opacity:1;color:var(--gold)}
.nav-links a[aria-current="page"]{opacity:1;color:var(--gold)}
.nav-burger{display:none;width:46px;height:46px;border:1px solid rgba(196,169,107,.35);background:rgba(46,51,82,.35);backdrop-filter:blur(8px);cursor:pointer;align-items:center;justify-content:center;gap:6px;flex-direction:column}
.nav-burger span{display:block;width:18px;height:1px;background:rgba(255,255,255,.92)}
.mobile-menu{position:fixed;inset:0;z-index:200;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}
.mobile-menu.open{opacity:1;visibility:visible;pointer-events:auto}
.mobile-menu-backdrop{position:absolute;inset:0;background:rgba(10,10,12,.72);backdrop-filter:blur(8px);opacity:0;transition:opacity .22s ease}
.mobile-menu.open .mobile-menu-backdrop{opacity:1}
.mobile-menu-panel{position:absolute;top:0;right:0;height:100%;width:min(420px,88vw);background:rgba(30,34,56,.98);border-left:1px solid rgba(196,169,107,.25);box-shadow:-20px 0 70px rgba(0,0,0,.35);padding:1.2rem 1.25rem;transform:translateX(24px);opacity:0;transition:transform .28s cubic-bezier(.22,1,.36,1),opacity .22s ease;display:flex;flex-direction:column}
.mobile-menu.open .mobile-menu-panel{transform:translateX(0);opacity:1}
.mobile-menu-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid rgba(196,169,107,.18)}
.mobile-menu-close{width:46px;height:46px;border:1px solid rgba(196,169,107,.35);background:rgba(46,51,82,.35);color:var(--white);cursor:pointer;font-size:1.5rem;line-height:1}
.mobile-menu-links{list-style:none;display:flex;flex-direction:column;gap:.25rem;padding:1.25rem 0 .75rem}
.mobile-menu-links a{display:block;padding:.85rem .65rem;text-decoration:none;color:rgba(255,255,255,.92);letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}
.mobile-menu-links a[aria-current="page"]{color:var(--gold-bright)}

/* ---------- deco ---------- */
.deco{position:relative;isolation:isolate;--deco-size:min(520px,44vw);--deco-top-left:50%;--deco-top-right:50%;--deco-left-x:-120px;--deco-right-x:-120px}
.deco::before,.deco::after{content:'';position:absolute;top:var(--deco-top-left);transform:translateY(-50%);width:var(--deco-size);height:var(--deco-size);pointer-events:none;opacity:.1;background-size:contain;background-repeat:no-repeat;z-index:5}
.deco::before{left:var(--deco-left-x);background-image:url('../img/lewa.png')}
.deco::after{top:var(--deco-top-right);right:var(--deco-right-x);background-image:url('../img/prawa.png')}
.deco .section-inner{position:relative;z-index:10}
.deco--dark::before,.deco--dark::after{filter:invert(1) sepia(1) saturate(4) hue-rotate(10deg) brightness(1.08);opacity:.12;mix-blend-mode:screen}
.deco--dark{--gold:var(--gold-bright)}
.deco--light::before,.deco--light::after{opacity:.08;mix-blend-mode:multiply}
.deco--light{--gold:var(--gold-base)}

/* ---------- hero ---------- */
.int-hero{padding-top:7.2rem;min-height:70vh;display:flex;align-items:flex-end;position:relative;--deco-top-left:64%;--deco-top-right:36%;--deco-size:min(620px,52vw)}
.int-hero-bg{position:absolute;inset:0;z-index:1;pointer-events:none;display:grid;grid-template-columns:repeat(3,1fr)}
.int-hero-bg img{width:100%;height:100%;object-fit:cover;filter:saturate(.95) contrast(1.03);opacity:.64}
.int-hero-bg img:nth-child(2){opacity:.56}
.int-hero-bg img:nth-child(3){opacity:.5}
/* Nakładka na osobnym pseudoelemencie — .int-hero::before jest zajęte przez ornament .deco.
   Lekka u góry (zdjęcia zostają widoczne), mocniejsza u dołu — pod tekstem hero. */
.int-hero-bg::after{content:'';position:absolute;inset:0;z-index:2;pointer-events:none;background:radial-gradient(1100px 640px at 20% 80%, rgba(247,224,139,.12), transparent 62%),linear-gradient(to bottom, rgba(46,51,82,.38) 0%, rgba(46,51,82,.55) 45%, rgba(46,51,82,.82) 100%)}
.int-hero .section-inner{position:relative;z-index:10;padding-top:3.6rem;padding-bottom:3.6rem}
.int-hero h1{font-size:clamp(2.8rem,5vw,4.6rem);letter-spacing:.08em}
.int-hero .lead{margin-top:.9rem;color:rgba(255,255,255,.78);line-height:1.85;max-width:64ch}
.int-hero-stats{margin-top:1.8rem;display:grid;grid-template-columns:repeat(12,1fr);gap:1rem;max-width:900px}
.int-stat{grid-column:span 4;border:1px solid rgba(196,169,107,.22);background:rgba(255,255,255,.03);padding:1.1rem}
.int-stat .k{font-size:.58rem;letter-spacing:.26em;text-transform:uppercase;color:rgba(255,255,255,.55);font-weight:800}
.int-stat .v{margin-top:.45rem;color:rgba(255,255,255,.88);font-weight:800;letter-spacing:.02em}

/* ---------- light sections ---------- */
.int-light{background:var(--cream);color:var(--navy)}
.int-light .label{color:var(--gold-base)}
.int-h2{font-size:clamp(2.2rem,4vw,3.2rem);line-height:1.12;letter-spacing:.02em}
.int-light .int-h2{color:var(--navy)}

/* ---------- idea / opis ---------- */
.int-idea{display:grid;grid-template-columns:1.05fr .95fr;gap:3.2rem;align-items:start;margin-top:1.8rem}
.int-idea-copy p{color:rgba(46,51,82,.78);line-height:1.95;font-size:.95rem;font-weight:600}
.int-idea-copy p + p{margin-top:1.1rem}
.int-idea-copy p.int-lead-p{font-size:1.05rem;color:rgba(46,51,82,.88);font-weight:700}
.int-idea-media{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.int-idea-fig{margin:0;overflow:hidden;border:1px solid rgba(46,51,82,.14);background:#fff;box-shadow:0 14px 44px rgba(0,0,0,.08);aspect-ratio:4/5}
.int-idea-fig img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s cubic-bezier(.22,1,.36,1)}
.int-idea-fig:hover img{transform:scale(1.05)}

.int-pillars{margin-top:2.6rem;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.int-pillar{border:1px solid rgba(46,51,82,.12);background:rgba(255,255,255,.78);box-shadow:0 12px 34px rgba(0,0,0,.06);padding:1.4rem 1.45rem}
.int-pillar .k{font-size:.58rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-base);font-weight:900}
.int-pillar h3{margin-top:.6rem;font-size:1.5rem;color:var(--navy);letter-spacing:.02em}
.int-pillar p{margin-top:.55rem;font-size:.88rem;line-height:1.8;color:rgba(46,51,82,.74);font-weight:600}

/* ---------- warianty (modern / classic) ---------- */
.int-variant{position:relative;scroll-margin-top:80px}
.int-variant-head{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.int-variant-index{font-family:'Cormorant Garamond',serif;font-size:clamp(3.4rem,7vw,5.6rem);line-height:.9;color:rgba(196,169,107,.28)}
.int-light .int-variant-index{color:rgba(46,51,82,.14)}
.int-split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;margin-top:2.2rem}
.int-split--rev .int-split-media{order:2}
.int-split-media{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;align-items:start}
.int-split-media .int-split-tile:nth-child(2){margin-top:2.4rem}
.int-split-tile{position:relative;overflow:hidden;border:1px solid rgba(196,169,107,.22);background:rgba(255,255,255,.03);aspect-ratio:4/5}
.int-light .int-split-tile{border-color:rgba(46,51,82,.14);background:#fff;box-shadow:0 14px 44px rgba(0,0,0,.08)}
.int-split-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s cubic-bezier(.22,1,.36,1)}
.int-split-tile:hover img{transform:scale(1.05)}
.int-split-copy p{line-height:1.95;font-size:.95rem;font-weight:600;color:rgba(255,255,255,.76)}
.int-light .int-split-copy p{color:rgba(46,51,82,.78)}
.int-split-copy p + p{margin-top:1rem}
.int-traits{margin-top:1.5rem;display:flex;flex-direction:column;gap:.85rem;border-top:1px solid rgba(196,169,107,.22);padding-top:1.2rem}
.int-light .int-traits{border-top-color:rgba(46,51,82,.12)}
.int-trait{display:grid;grid-template-columns:minmax(120px,auto) 1fr;gap:.4rem 1.2rem;align-items:baseline;border-bottom:1px solid rgba(196,169,107,.14);padding-bottom:.85rem}
.int-light .int-trait{border-bottom-color:rgba(46,51,82,.08)}
.int-trait:last-child{border-bottom:0;padding-bottom:0}
.int-trait .k{font-size:.58rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);font-weight:900}
.int-light .int-trait .k{color:var(--gold-base)}
.int-trait .v{font-size:.86rem;line-height:1.7;color:rgba(255,255,255,.74);font-weight:700}
.int-light .int-trait .v{color:rgba(46,51,82,.78)}
.int-variant-cta{margin-top:1.8rem}

/* ---------- galeria ---------- */
.int-gallery{scroll-margin-top:80px}
.int-filters{margin-top:1.8rem;display:flex;flex-wrap:wrap;gap:.6rem}
.int-filter{padding:.75rem 1.5rem;border:1px solid rgba(196,169,107,.32);background:rgba(255,255,255,.03);color:rgba(255,255,255,.82);font-family:inherit;font-weight:800;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.int-filter:hover{border-color:rgba(196,169,107,.6);color:var(--white)}
.int-filter.active{background:var(--gold-base);border-color:var(--gold-base);color:var(--navy)}
.int-filter .n{opacity:.65;margin-left:.5rem;font-size:.58rem}

.int-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.2rem;margin-top:1.9rem}
.int-tile{position:relative;overflow:hidden;border:1px solid rgba(196,169,107,.22);background:rgba(255,255,255,.02);cursor:pointer;grid-column:span 3;aspect-ratio:4/5;padding:0;font-family:inherit}
.int-tile[hidden]{display:none}
.int-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02);transition:transform .6s cubic-bezier(.22,1,.36,1);filter:saturate(.95) contrast(1.02)}
.int-tile:hover img{transform:scale(1.07)}
.int-tile::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,rgba(46,51,82,.06) 40%,rgba(46,51,82,.92));opacity:.92;transition:opacity .35s}
.int-tile:hover::after{opacity:.78}
.int-tile-meta{position:absolute;left:1rem;right:1rem;bottom:1rem;z-index:2;text-align:left}
.int-tile-tag{font-size:.55rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-bright);font-weight:900}
.int-tile-name{margin-top:.4rem;font-size:.78rem;line-height:1.5;color:rgba(255,255,255,.9);font-weight:700}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;background:rgba(10,10,12,.86);backdrop-filter:blur(6px);padding:2rem}
.lightbox.open{display:flex}
.lightbox-dialog{width:min(1180px,100%);max-height:86vh;border:1px solid rgba(196,169,107,.25);background:rgba(18,19,28,.92);box-shadow:0 30px 90px rgba(0,0,0,.45);position:relative}
.lightbox-img{width:100%;height:82vh;max-height:82vh;object-fit:contain;display:block;background:rgba(0,0,0,.35)}
.lightbox-caption{padding:.9rem 1.2rem;border-top:1px solid rgba(196,169,107,.2);display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.lightbox-caption .t{font-size:.78rem;color:rgba(255,255,255,.82);font-weight:700}
.lightbox-caption .c{font-size:.58rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-bright);font-weight:900}
.lightbox-close,.lightbox-nav{position:absolute;width:44px;height:44px;border:1px solid rgba(196,169,107,.35);background:rgba(46,51,82,.55);color:var(--white);cursor:pointer;transition:background .2s,border-color .2s}
.lightbox-close:hover,.lightbox-nav:hover{background:rgba(46,51,82,.8);border-color:rgba(196,169,107,.6)}
.lightbox-close{top:10px;right:10px;font-size:1.5rem;line-height:1}
.lightbox-prev{left:10px;top:50%;transform:translateY(-50%);font-size:1.1rem}
.lightbox-next{right:10px;top:50%;transform:translateY(-50%);font-size:1.1rem}

/* ---------- cta ---------- */
.int-cta-row{margin-top:2.4rem;display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.hero-cta{display:inline-block;padding:1rem 2.6rem;border:1px solid var(--gold-base);color:var(--white);font-weight:800;font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;text-decoration:none;transition:background .3s,color .3s}
.hero-cta:hover{background:var(--gold-base);color:var(--white)}
.int-light .hero-cta{color:var(--navy)}
.int-light .hero-cta:hover{background:var(--gold-base);color:var(--white)}
.hero-cta--ghost{border-color:rgba(255,255,255,.28);color:rgba(255,255,255,.82)}
.hero-cta--ghost:hover{background:rgba(255,255,255,.08);color:var(--white)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* ---------- footer ---------- */
footer{background:#1e2238;padding:2.5rem 3rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;--gold:var(--gold-bright)}
.footer-logo-img{height:56px;width:auto;display:inline-block}
.footer-copy{font-size:.65rem;color:rgba(255,255,255,.3);letter-spacing:.1em;font-weight:700}
.footer-links{display:flex;gap:2rem}
.footer-links a{font-size:.65rem;color:rgba(255,255,255,.35);letter-spacing:.15em;text-decoration:none;text-transform:uppercase;font-weight:800}
.footer-links a:hover{color:var(--gold)}

/* ---------- responsive ---------- */
@media (max-width:1200px){.int-tile{grid-column:span 4}}
@media (max-width:1000px){
  .int-idea{grid-template-columns:1fr;gap:2.2rem}
  .int-split{grid-template-columns:1fr;gap:2.2rem}
  .int-split--rev .int-split-media{order:0}
  .int-split-media .int-split-tile:nth-child(2){margin-top:0}
  .int-pillars{grid-template-columns:1fr}
}
@media (max-width:900px){
  nav{padding:1.2rem 1.5rem}
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .section-inner{padding:3.4rem 1.5rem}
  .nav-logo-img{width:150px}
  .footer-logo-img{height:44px}
  .int-hero{min-height:auto}
  .int-hero-bg{grid-template-columns:1fr}
  .int-hero-bg img:nth-child(2),.int-hero-bg img:nth-child(3){display:none}
  .int-hero-stats{grid-template-columns:1fr;max-width:none}
  .int-stat{grid-column:1/-1}
  .int-tile{grid-column:span 6}
  .lightbox{padding:1rem}
  .lightbox-img{height:70vh;max-height:70vh}
  footer{flex-direction:column;text-align:center}
  .footer-links{justify-content:center;flex-wrap:wrap;gap:1.2rem}
}
@media (max-width:560px){
  .int-tile{grid-column:1/-1}
  .int-filter{flex:1 1 auto;text-align:center}
  .int-trait{grid-template-columns:1fr}
}
@media (max-width:700px){
  .deco::before,.deco::after{width:min(420px,72vw);height:min(420px,72vw);opacity:.08;top:55%}
  .deco{--deco-left-x:-160px;--deco-right-x:-160px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .int-tile img,.int-split-tile img,.int-idea-fig img{transition:none}
}