/* ============================================================
   AKRIP — System designu
   Heritage Atelier × Engineered Precision × Forge
   ============================================================ */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{min-height:100vh;line-height:1.65;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}

/* ---------- Tokeny ---------- */
:root{
  /* Szkielet — grafit / stal / kość słoniowa */
  --ink:        #0E1216;
  --ink-2:      #141A20;
  --ink-3:      #1B232B;
  --line:       rgba(236,231,218,.10);
  --line-2:     rgba(236,231,218,.18);
  --steel:      #8C97A4;
  --steel-2:    #AEB7C1;
  --ivory:      #ECE7DA;
  --ivory-soft: #BFC3C0;
  --mute:       #8A9099;

  /* Mosiądz / złoto — wspólny akcent premium */
  --brass:      #C9A865;
  --brass-2:    #E2C98C;
  --brass-deep: #9C7E40;
  --brass-grad: linear-gradient(135deg,#E7D29A 0%,#C9A865 38%,#9C7E40 72%,#D8BE80 100%);
  --steel-grad: linear-gradient(135deg,#EBEEF1 0%,#AEB7C1 40%,#79828D 75%,#C3CAD1 100%);

  /* Akcent domeny — domyślnie mosiądz, nadpisywany per strona */
  --accent:     #C9A865;
  --accent-2:   #E2C98C;
  --accent-deep:#9C7E40;
  --accent-soft: rgba(201,168,101,.14);
  --accent-line: rgba(201,168,101,.30);

  --radius:   14px;
  --radius-s: 10px;
  --radius-l: 22px;
  --maxw: 1200px;
  --pad: clamp(20px,5vw,40px);

  --ff-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --ff-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --shadow:   0 24px 60px -28px rgba(0,0,0,.75);
  --shadow-s: 0 12px 30px -18px rgba(0,0,0,.7);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* Akcenty per dziedzina */
[data-domain="engineering"]{--accent:#4F86C6;--accent-2:#7FB0E6;--accent-deep:#2C5E96;--accent-soft:rgba(79,134,198,.14);--accent-line:rgba(79,134,198,.32)}
[data-domain="etching"]    {--accent:#D9743A;--accent-2:#F0975E;--accent-deep:#A8502073;--accent-deep:#A85020;--accent-soft:rgba(217,116,58,.15);--accent-line:rgba(217,116,58,.34)}
[data-domain="iar"]        {--accent:#3E8F6E;--accent-2:#6FBE99;--accent-deep:#246048;--accent-soft:rgba(62,143,110,.15);--accent-line:rgba(62,143,110,.32)}

/* ---------- Baza ---------- */
body{
  font-family:var(--ff-sans);
  color:var(--ivory);
  background:var(--ink);
  font-size:clamp(15px,1.05vw,16.5px);
  font-weight:350;
  letter-spacing:.005em;
  position:relative;
  overflow-x:hidden;
}
/* Tło — metaliczna głębia + subtelne ziarno */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1100px 720px at 78% -8%, rgba(201,168,101,.10), transparent 60%),
    radial-gradient(900px 700px at 8% 12%, var(--accent-soft), transparent 58%),
    radial-gradient(1200px 900px at 50% 120%, rgba(120,130,141,.10), transparent 60%),
    linear-gradient(180deg,#0E1216 0%,#0B0F13 100%);
  transition:background .8s var(--ease);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1,h2,h3,h4{font-weight:400;line-height:1.08;letter-spacing:-.01em}
.serif{font-family:var(--ff-serif)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(72px,11vw,140px);position:relative}
.section--tight{padding-block:clamp(48px,7vw,84px)}

/* ---------- Typografia pomocnicza ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:500;letter-spacing:.24em;text-transform:uppercase;
  color:var(--steel-2);margin-bottom:22px;
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--accent);opacity:.85}
.display{
  font-family:var(--ff-serif);font-weight:400;
  font-size:clamp(40px,7vw,84px);line-height:1.02;letter-spacing:-.015em;
}
.h-section{font-family:var(--ff-serif);font-size:clamp(30px,4.6vw,52px);letter-spacing:-.015em}
.lead{font-size:clamp(17px,1.5vw,21px);color:var(--ivory-soft);font-weight:350;line-height:1.7;max-width:62ch}
.metal-text{
  background:var(--brass-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.accent-text{color:var(--accent-2)}
.muted{color:var(--mute)}

/* ---------- Przyciski ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:.02em;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s,border-color .35s;
  will-change:transform;
}
.btn .ar{transition:transform .35s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}
.btn--primary{
  color:#15110A;
  background:var(--brass-grad);
  background-size:160% 160%;background-position:0% 50%;
  box-shadow:0 14px 34px -16px rgba(201,168,101,.6), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--primary:hover{transform:translateY(-2px);background-position:100% 50%}
.btn--ghost{
  color:var(--ivory);border:1px solid var(--line-2);
  background:rgba(236,231,218,.02);backdrop-filter:blur(6px);
}
.btn--ghost:hover{border-color:var(--accent-line);background:var(--accent-soft);transform:translateY(-2px)}
.btn--accent{
  color:#0E1216;background:linear-gradient(135deg,var(--accent-2),var(--accent));
  box-shadow:0 14px 34px -16px var(--accent-line),inset 0 1px 0 rgba(255,255,255,.3);
}
.btn--accent:hover{transform:translateY(-2px)}

/* ---------- Nawigacja ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  border-bottom:1px solid transparent;transition:background .4s,border-color .4s,backdrop-filter .4s;
}
.nav.is-stuck{
  background:rgba(11,15,19,.72);backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:13px;font-family:var(--ff-serif);font-size:23px;letter-spacing:.22em}
.brand b{font-weight:500}
.brand__mark{width:34px;height:34px;flex:none}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{font-size:14px;color:var(--ivory-soft);letter-spacing:.02em;position:relative;padding:6px 0;transition:color .3s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);transition:width .35s var(--ease)}
.nav__links a:hover{color:var(--ivory)}
.nav__links a:hover::after,.nav__links a[aria-current="page"]::after{width:100%}
.nav__cta{display:flex;align-items:center;gap:16px}
.nav__toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-2);align-items:center;justify-content:center}
.nav__toggle span{position:relative;width:18px;height:1.5px;background:var(--ivory);transition:.3s}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ivory);transition:.3s}
.nav__toggle span::before{top:-6px}.nav__toggle span::after{top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:clamp(48px,9vw,96px);padding-bottom:clamp(56px,9vw,110px)}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero__title{margin:18px 0 26px}
.hero__title em{font-style:italic;color:var(--brass-2)}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.hero__panel{position:relative}

/* Szklany panel / karta */
.glass{
  background:linear-gradient(160deg,rgba(236,231,218,.055),rgba(236,231,218,.012));
  border:1px solid var(--line);border-radius:var(--radius-l);
  backdrop-filter:blur(10px);box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(160deg,rgba(255,255,255,.22),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}

/* ---------- Pasek branż / zaufania ---------- */
.trust{border-block:1px solid var(--line);padding-block:30px}
.trust__row{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.trust__label{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--mute)}
.trust__items{display:flex;gap:clamp(20px,4vw,50px);flex-wrap:wrap}
.trust__items li{font-size:14px;letter-spacing:.08em;color:var(--steel-2);font-weight:400}

/* ---------- Kafelki dziedzin ---------- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tile{
  --c:var(--brass);
  position:relative;display:flex;flex-direction:column;justify-content:space-between;
  min-height:430px;padding:34px;border-radius:var(--radius-l);
  border:1px solid var(--line);overflow:hidden;isolation:isolate;
  background:linear-gradient(165deg,var(--ink-3),var(--ink-2));
  transition:transform .5s var(--ease),border-color .5s,box-shadow .5s;
}
.tile::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;transition:opacity .5s;
  background:radial-gradient(120% 80% at 80% 0%,color-mix(in srgb,var(--c) 24%,transparent),transparent 60%)}
.tile:hover{transform:translateY(-8px);border-color:color-mix(in srgb,var(--c) 45%,transparent);box-shadow:var(--shadow)}
.tile:hover::after{opacity:1}
.tile__num{font-family:var(--ff-serif);font-size:15px;letter-spacing:.3em;color:var(--c)}
.tile__ico{width:46px;height:46px;margin-bottom:auto;color:var(--c)}
.tile__title{font-family:var(--ff-serif);font-size:clamp(26px,2.6vw,34px);margin:20px 0 12px}
.tile__desc{color:var(--ivory-soft);font-size:15px;line-height:1.65;margin-bottom:26px}
.tile__more{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--c)}
.tile__more .ar{transition:transform .35s var(--ease)}
.tile:hover .tile__more .ar{transform:translateX(5px)}
.tile--eng{--c:#4F86C6}.tile--etch{--c:#D9743A}.tile--iar{--c:#3E8F6E}

/* ---------- Sekcja z dwiema kolumnami ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,80px);align-items:center}
.split--rev .split__media{order:-1}

/* ---------- Lista możliwości / cechy ---------- */
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feat__cell{background:var(--ink-2);padding:30px 28px;transition:background .4s}
.feat__cell:hover{background:var(--ink-3)}
.feat__ico{color:var(--accent-2);width:30px;height:30px;margin-bottom:18px}
.feat__cell h3{font-size:18px;font-family:var(--ff-sans);font-weight:500;letter-spacing:-.01em;margin-bottom:9px}
.feat__cell p{font-size:14.5px;color:var(--mute);line-height:1.6}

/* lista z haczykami */
.checks{display:grid;gap:14px}
.checks li{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;color:var(--ivory-soft)}
.checks svg{flex:none;width:22px;height:22px;color:var(--accent);margin-top:1px}

/* ---------- Statystyki ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px}
.stat__num{font-family:var(--ff-serif);font-size:clamp(40px,5vw,60px);line-height:1;letter-spacing:-.02em}
.stat__lbl{font-size:13.5px;color:var(--mute);margin-top:10px;letter-spacing:.04em}

/* ---------- Proces ---------- */
.steps{display:grid;gap:0}
.step{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:28px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step__n{font-family:var(--ff-serif);font-size:20px;color:var(--accent-2);width:54px}
.step h3{font-size:20px;font-family:var(--ff-sans);font-weight:500;margin-bottom:8px}
.step p{color:var(--mute);font-size:15px;max-width:60ch}

/* ---------- Tabela specyfikacji ---------- */
.spec{width:100%;border-collapse:collapse;font-size:14.5px}
.spec th,.spec td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line)}
.spec th{color:var(--mute);font-weight:500;letter-spacing:.04em;width:42%}
.spec td{color:var(--ivory)}
.spec tr:hover td,.spec tr:hover th{background:rgba(236,231,218,.02)}

/* ---------- Pasek CTA ---------- */
.cta{position:relative;border-radius:var(--radius-l);padding:clamp(40px,6vw,72px);overflow:hidden;border:1px solid var(--accent-line);
  background:linear-gradient(150deg,var(--ink-3),var(--ink-2))}
.cta::before{content:"";position:absolute;inset:0;z-index:0;opacity:.7;
  background:radial-gradient(90% 130% at 85% 10%,var(--accent-soft),transparent 55%)}
.cta__in{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ---------- Formularz ---------- */
.form{display:grid;gap:20px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:9px}
.field label{font-size:13px;letter-spacing:.04em;color:var(--steel-2)}
.field input,.field select,.field textarea{
  font:inherit;font-size:15px;color:var(--ivory);
  background:rgba(236,231,218,.03);border:1px solid var(--line-2);border-radius:var(--radius-s);
  padding:14px 16px;transition:border-color .3s,background .3s,box-shadow .3s;
}
.field textarea{resize:vertical;min-height:140px}
.field input:focus,.field select,.field textarea:focus,.field select:focus{outline:none}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);background:rgba(236,231,218,.05);box-shadow:0 0 0 4px var(--accent-soft)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238A9099' stroke-width='1.6'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field select option{background:var(--ink-2)}
.form__note{font-size:12.5px;color:var(--mute);line-height:1.6}

/* ---------- Karta kontaktu ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px)}
.cinfo{display:grid;gap:24px}
.cinfo__item{display:flex;gap:16px;align-items:flex-start}
.cinfo__item svg{flex:none;width:24px;height:24px;color:var(--accent-2);margin-top:3px}
.cinfo__item b{display:block;font-weight:500;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:5px}
.cinfo__item span,.cinfo__item a{font-size:17px;color:var(--ivory)}

/* ---------- Stopka ---------- */
.footer{border-top:1px solid var(--line);padding-block:60px 40px;margin-top:40px}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:48px}
.footer h4{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);margin-bottom:18px;font-weight:500}
.footer__links{display:grid;gap:12px}
.footer__links a{font-size:14.5px;color:var(--ivory-soft);transition:color .3s}
.footer__links a:hover{color:var(--brass-2)}
.footer__about{max-width:34ch;color:var(--mute);font-size:14.5px;line-height:1.7}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-top:28px;border-top:1px solid var(--line);font-size:13px;color:var(--mute)}

/* ---------- Page hero (podstrony) ---------- */
.phero{padding-top:clamp(56px,8vw,90px);padding-bottom:clamp(36px,5vw,60px)}
.phero__title{margin:20px 0 24px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}.reveal[data-d="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Responsywność ---------- */
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__panel{order:-1}
  .tiles{grid-template-columns:1fr}
  .split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .split--rev .split__media{order:0}
  .footer__top{grid-template-columns:1fr 1fr}
  .footer__about{max-width:none}
}
@media (max-width:720px){
  .nav__links,.nav__cta .btn{display:none}
  .nav__toggle{display:flex}
  .nav.open .nav__links{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(11,15,19,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);padding:8px var(--pad) 20px}
  .nav.open .nav__links a{padding:15px 0;border-bottom:1px solid var(--line);width:100%}
  .form__row{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr}
  .cta__in{flex-direction:column;align-items:flex-start}
}

/* ---------- Przełącznik języka ---------- */
.lang{display:flex;align-items:center;gap:1px;padding:3px;border:1px solid var(--line);border-radius:999px;direction:ltr}
.lang a{font-size:11.5px;font-weight:500;letter-spacing:.05em;color:var(--mute);padding:5px 9px;border-radius:999px;transition:color .3s,background .3s}
.lang a:hover{color:var(--ivory)}
.lang a[aria-current="true"]{color:#15110A;background:var(--brass-grad)}
@media (max-width:420px){.lang a{padding:5px 7px}}