/*
  szambo.waw.pl — UX-focused lead-gen landing
  Clean, professional, "service" look (no border-on-everything).
*/

:root{
  --bg: #06141F;
  --surface: rgba(255,255,255,0.035);
  --surface-strong: rgba(255,255,255,0.055);
  --text: #F3FAFF;
  --muted: rgba(243,250,255,0.74);
  --subtle: rgba(243,250,255,0.56);

  --accent: #00D2B3;
  --accent-rgb: 0,210,179;
  --danger: #FF4D4F;

  --shadow-sm: 0 10px 28px rgba(0,0,0,0.28);
  --shadow-md: 0 18px 52px rgba(0,0,0,0.38);

  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 12px;

  --container: 1160px;
  --pad: clamp(52px, 6vw, 92px);
  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  line-height:1.55;
  background:
    radial-gradient(900px circle at 12% -10%, rgba(var(--accent-rgb),0.10), transparent 60%),
    radial-gradient(900px circle at 92% 10%, rgba(var(--accent-rgb),0.06), transparent 62%),
    var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; height:auto; display:block; }

.container{ width:min(var(--container), calc(100% - 40px)); margin:0 auto; }

a{ color:inherit; text-decoration:none; }
.muted{ color: var(--muted); }
.subtle{ color: var(--subtle); }
.small{ font-size: 0.95rem; }

:where(a,button,input,textarea,select,summary):focus-visible{
  outline:none;
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb),0.18);
  border-color: rgba(var(--accent-rgb),0.55);
}

h1,h2,h3,h4{
  font-family: "Space Grotesk", Inter, system-ui, sans-serif;
  letter-spacing:-0.03em;
  margin:0 0 0.55rem 0;
}
.h3{ font-size: 1.22rem; font-weight: 750; }
.display-title{
  font-size: clamp(2.2rem, 4.6vw, 3.7rem);
  line-height:1.04;
  margin: 18px 0;
  font-weight: 850;
}
.text-gradient{ color: var(--accent); }

.icon{ width:18px; height:18px; flex:0 0 auto; }

/* =====================================================================
   Header
   ===================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,10,14,0.62);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 74px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width: 36px; height: 36px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.brand-name{ font-weight: 900; letter-spacing:-0.02em; font-size: 1.12rem; }
.brand-name .tld{ color: var(--accent); }

.site-nav{ display:flex; align-items:center; gap: 22px; }
.site-nav > a:not(.btn){
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
}
.site-nav > a:not(.btn):hover{ color: var(--text); }

.nav-toggle{
  display:none;
  width: 46px; height: 46px;
  border:0;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  box-shadow: 0 12px 30px rgba(0,0,0,0.26);
  cursor:pointer;
  padding: 12px;
}
.nav-toggle span{ display:block; height:2px; background: var(--text); opacity: 0.92; border-radius: 2px; margin: 5px 0; }

.skip-link{ position:absolute; left:-999px; top: 10px; padding: 10px 16px; background:#000; color:#fff; z-index: 9999; border-radius: 12px; }
.skip-link:focus{ left: 10px; }

/* =====================================================================
   Buttons
   ===================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,0.07);
  color: var(--text);
  font-weight: 800;
  cursor:pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), opacity .18s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover{ box-shadow: var(--shadow-sm); transform: translateY(-1px); background: rgba(255,255,255,0.09); }
.btn:active{ transform: translateY(0); box-shadow:none; }

.btn-primary{
  background: var(--accent);
  color: #071016;
  box-shadow: 0 14px 40px rgba(var(--accent-rgb),0.18);
}
.btn-primary:hover{ background: rgba(var(--accent-rgb),0.92); box-shadow: 0 18px 54px rgba(var(--accent-rgb),0.22); }

.btn-outline{
  background: rgba(255,255,255,0.06);
}

/* =====================================================================
   Sections, cards, grids
   ===================================================================== */
.section{ padding: var(--pad) 0; }
.section-alt{
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.section-head{ margin-bottom: 28px; max-width: 72ch; }

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.card{
  background: var(--surface);
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.glass-card{
  background: rgba(6,20,31,0.72);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.card-header{ margin-bottom: 10px; }
.card-footer{ margin-top: 12px; }

.prose{ padding: 26px; }
.prose h2{ margin-top: 18px; }
.prose ul{ margin: 8px 0 0 20px; }
.prose p, .prose li{ color: var(--muted); }

.hp{ position:absolute !important; left:-9999px !important; width:1px !important; height:1px !important; opacity:0 !important; }

.hr{ height:1px; background: rgba(255,255,255,0.07); margin: 18px 0; border-radius: 999px; }

/* =====================================================================
   Hero
   ===================================================================== */
.hero{ position:relative; isolation:isolate; padding: clamp(34px, 5vw, 70px) 0 var(--pad) 0; overflow:hidden; }
.hero--bg .hero-bg{
  position:absolute; inset:0; z-index:-2;
  background-image: url("/assets/hero.jpg");
  background-size: cover;
  background-position: 50% 55%;
  filter: grayscale(0.20) saturate(0.95) contrast(1.05) brightness(0.62);
  transform: scale(1.02);
}
.hero--bg .hero-bg::after{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(6,20,31,0.94) 0%, rgba(6,20,31,0.82) 46%, rgba(6,20,31,0.34) 76%, rgba(6,20,31,0.14) 100%),
    linear-gradient(180deg, rgba(6,20,31,0.18) 0%, rgba(6,20,31,0.88) 100%);
}
.flow-canvas{
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:-1;
  pointer-events:none;
  opacity: 0.9;
}

.hero-grid{ display:grid; grid-template-columns: 1.06fr 0.94fr; gap: 34px; align-items:start; }
.hero-copy{ padding-right: 6px; }
.hero-lead{ font-size: 1.1rem; max-width: 58ch; margin: 0 0 18px 0; }
.hero-actions{ display:flex; flex-wrap:wrap; gap: 12px; margin: 18px 0 10px 0; }

.kicker{ display:inline-flex; align-items:center; gap:10px; letter-spacing: 0.10em; text-transform: uppercase; font-weight: 800; font-size: 0.82rem; color: var(--subtle); }
.kicker .dot{ width: 7px; height: 7px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),0.16); }

.hero-highlights{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 16px; }
.pill{ display:inline-flex; align-items:center; gap:8px; padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,0.06); font-weight: 700; font-size: 0.92rem; }
.pill--ghost{ background: rgba(var(--accent-rgb),0.10); }
.check-icon{ color: var(--accent); font-weight: 900; }

.hero-form-card{ position: sticky; top: 98px; }

/* =====================================================================
   Forms
   ===================================================================== */
.form{ display:flex; flex-direction:column; gap: 14px; margin-top: 14px; }
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field{ display:flex; flex-direction:column; gap: 8px; }
.form-field label{ font-weight: 750; font-size: 0.92rem; color: var(--muted); }
.req{ color: rgba(var(--accent-rgb),0.95); font-weight: 900; }

.form-field input,
.form-field textarea,
.form-field select{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(7,10,14,0.48);
  color: var(--text);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.form-field textarea{ min-height: 110px; resize: vertical; }
.form-field input::placeholder,
.form-field textarea::placeholder{ color: rgba(243,250,255,0.40); }

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus{ border-color: rgba(var(--accent-rgb),0.45); box-shadow: 0 0 0 4px rgba(var(--accent-rgb),0.14); }

.is-invalid{ border-color: rgba(255,77,79,0.70) !important; box-shadow: 0 0 0 4px rgba(255,77,79,0.12) !important; }

.segmented{ display:flex; flex-wrap:wrap; gap: 10px; }
.seg{ position:relative; }
.seg input{ position:absolute; opacity:0; pointer-events:none; }
.seg span{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
  font-weight: 750;
  color: var(--text);
  cursor:pointer;
  user-select:none;
  transition: background .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}
.seg span:hover{ background: rgba(255,255,255,0.08); transform: translateY(-1px); }
.seg input:checked + span{ background: rgba(var(--accent-rgb),0.18); box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb),0.35); }

.optional-wrap{ display:none; }
.optional-wrap.is-open{ display:block; }

.checkbox{ display:flex; gap: 12px; align-items:flex-start; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,0.04); }
.checkbox input{ margin-top: 3px; accent-color: var(--accent); }
.checkbox a{ text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(var(--accent-rgb),0.30); }
.checkbox a:hover{ text-decoration-color: rgba(var(--accent-rgb),0.55); }

.form-actions{ display:flex; flex-wrap:wrap; gap: 12px; }
.form-status{ min-height: 1.2em; }
.form-status.is-error{ color: rgba(255,77,79,0.95); font-weight: 750; }

.mini-list{ display:grid; gap: 8px; }
.mini-item{ display:flex; align-items:center; gap: 10px; color: var(--muted); font-weight: 650; }
.mini-dot{ width: 8px; height: 8px; border-radius: 999px; background: rgba(var(--accent-rgb),0.9); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),0.12); }

/* =====================================================================
   Callouts, steps, lists, FAQ
   ===================================================================== */
.list{ margin: 10px 0 0; padding-left: 20px; }
.list li{ margin: 8px 0; color: var(--muted); }

.callout{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: rgba(var(--accent-rgb),0.10);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb),0.16);
}

.steps{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-num{
  width: 38px; height: 38px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: rgba(var(--accent-rgb),0.18);
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 10px;
}

.faq{ display:grid; gap: 12px; }
.faq-item{
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  padding: 4px;
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding: 14px 16px;
  font-weight: 850;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-content{ padding: 0 16px 14px 16px; }

/* =====================================================================
   Assistant (better than "kalkulator")
   ===================================================================== */
.assistant-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.assistant-card{
  width: 100%;
  text-align:left;
  border: 0;
  border-radius: var(--radius-lg);
  padding: 16px 16px;
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.07);
  color: var(--text);
  cursor:pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.assistant-card:hover{ transform: translateY(-2px); background: rgba(255,255,255,0.06); box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb),0.22), var(--shadow-sm); }
.assistant-card.is-active{ background: rgba(var(--accent-rgb),0.12); box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb),0.28), var(--shadow-sm); }
.assistant-title{ font-weight: 900; margin-bottom: 6px; }
.assistant-meta{ color: var(--muted); font-weight: 650; font-size: 0.95rem; }
.assistant-panel{ margin-top: 14px; }
.assistant-panel .assistant-summary{ font-weight: 850; margin-bottom: 10px; }
.assistant-panel ul{ margin: 10px 0 0 18px; color: var(--muted); }
.assistant-panel li{ margin: 8px 0; }

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer{ padding: 44px 0 22px 0; border-top: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.01); }
.footer-grid{ display:grid; grid-template-columns: 1.35fr 0.8fr 0.85fr; gap: 18px; }
.footer-brand{ display:flex; align-items:center; gap: 10px; font-weight: 900; margin-bottom: 10px; }
.footer-links{ list-style:none; padding:0; margin: 8px 0 0 0; display:grid; gap: 10px; }
.footer-links a{ color: var(--muted); font-weight: 700; }
.footer-links a:hover{ color: var(--text); }

.contact-box{ display:grid; gap: 10px; margin-top: 10px; }
.contact-line{ display:flex; align-items:center; gap: 10px; color: var(--muted); font-weight: 750; }
.contact-line:hover{ color: var(--text); }

.footer-bottom{ margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06); display:flex; justify-content:space-between; gap: 10px; flex-wrap:wrap; }

/* =====================================================================
   Mobile bar + Floating widget
   ===================================================================== */
.mobile-bar{
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 120;
  display:none;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 10px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(7,10,14,0.78);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}
.mobile-bar a{
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  padding: 14px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.07);
}
.mobile-bar a.primary{ background: var(--accent); color:#071016; }
.mobile-bar.is-hidden{ opacity: 0; pointer-events:none; transform: translateY(8px); transition: opacity .18s var(--ease), transform .18s var(--ease); }

.floating-contact{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 110;
  display:none;
  width: 320px;
}
.floating-contact .card{ padding: 14px; }
.floating-contact .fc-title{ font-weight: 900; margin-bottom: 8px; }
.floating-contact .fc-actions{ display:flex; gap: 10px; }
.floating-contact .fc-actions .btn{ flex:1; padding: 13px 14px; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; gap: 22px; }
  .hero-form-card{ position: relative; top:0; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .assistant-grid{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .site-nav{
    position: absolute;
    top: 74px;
    right: 14px;
    left: 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(7,10,14,0.86);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-md);
    display:none;
  }
  .site-nav.is-open{ display:flex; }
  .site-nav > a:not(.btn){ padding: 12px 10px; border-radius: 14px; background: rgba(255,255,255,0.04); }
  .site-nav > a:not(.btn):hover{ background: rgba(255,255,255,0.06); }
  .mobile-bar{ display:grid; }
}

@media (min-width: 981px){
  .floating-contact{ display:block; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn, .assistant-card{ transition:none; }
}