/* ============================================================
   AI WEB STUDIO — premium founder landing (scroll-cinematic)
   Paleta:navy #F7F5F2 · cyan #8C5A0F · indygo #8C5A0F
   Fonty: Space Grotesk + Outfit (Sora wycofana 18.08.2026 - assets/css/spojnosc.css)
   ============================================================ */
:root {
  --ink:#1A1D23;
  --ink-dim:rgba(26,29,35,0.62);
  --bg:#F7F5F2;
  --bg-2:#070c17;
  --accent:#8C5A0F;     /* cyan */
  --accent-2:#8C5A0F;   /* indygo */
  --line:rgba(26,29,35,0.08);
}

* { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; }

body {
  background:var(--bg);
  color:var(--ink);
  font-family:"Outfit", system-ui, sans-serif;
  overflow-x:hidden;
  line-height:1.6;
}

h1, h2, h3, .display { font-family:"Space Grotesk", sans-serif; }

/* ---------- Fixed nav ---------- */
.nav {
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 40px;
  font-size:13px;
  letter-spacing:0.04em;
  backdrop-filter:blur(8px);
  background:linear-gradient(180deg, rgba(26,29,35,0.6), transparent);
}
.nav-brand { font-family:"Space Grotesk", sans-serif; font-weight:700; letter-spacing:0.16em; font-size:15px; }
.nav-brand b { color:var(--accent); }
.nav-mid { color:var(--ink-dim); font-size:12px; letter-spacing:0.1em; }
.nav-cta {
  border:1px solid var(--accent);
  color:var(--accent);
  padding:9px 18px;
  border-radius:999px;
  text-decoration:none;
  font-weight:600;
  transition:all 0.25s;
}
.nav-cta:hover { background: var(--accent); color: var(--bg); }

/* ---------- Cinematic hero ---------- */
.cinematic {
  position:relative;
  height:500vh;            /* scroll distance = playback length */
}
.sticky {
  position:sticky;
  top:0;
  height:100vh;
  width:100%;
  overflow:hidden;
  display:grid;
  place-items:center;
  background:var(--bg);
}
#hero-canvas {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.vignette {
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(130% 90% at 70% 50%, transparent 40%, rgba(26,29,35,0.75) 100%),
    linear-gradient(90deg, rgba(26,29,35,0.85) 0%, rgba(26,29,35,0.4) 35%, transparent 65%);
}

/* ---------- Hero „droga do widoczności" (SVG) ---------- */
.road {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
}
.road-track {
  stroke:rgba(26,29,35,0.07);
  stroke-width:3;
  stroke-linecap:round;
}
.road-draw {
  stroke-width:5;
  stroke-linecap:round;
  filter:url(#glow);
}

/* przystanki-kanały */
.stop { transition:opacity 0.5s ease; }
.stop-halo {
  fill:var(--accent);
  opacity:0;
  transition:opacity 0.5s ease, r 0.5s ease;
}
.stop-dot {
  fill:var(--bg-2);
  stroke:rgba(26,29,35,0.18);
  stroke-width:2;
  transition:fill 0.45s ease, stroke 0.45s ease;
}
.stop-mark {
  fill:rgba(26,29,35,0.35);
  font-family:"Space Grotesk", sans-serif;
  font-size:13px;
  font-weight:600;
  transition:fill 0.45s ease;
}
.stop-label {
  fill:rgba(26,29,35,0);
  font-family:"Space Grotesk", sans-serif;
  font-size:18px;
  font-weight:600;
  transition:fill 0.5s ease;
  transform:translateX(0);
}

/* zapalony przystanek */
.stop.lit .stop-halo { opacity:0.20; }
.stop.lit .stop-dot { fill:var(--accent); stroke:var(--accent); }
.stop.lit .stop-mark { fill:var(--bg); }
.stop.lit .stop-label { fill:var(--ink); }

/* cel — „Twoja firma #1" */
.stop.goal .stop-dot { stroke:var(--accent-2); }
.stop.goal .stop-halo { fill:var(--accent-2); }
.stop.goal .stop-label { font-size:21px; font-weight:700; }
.stop.goal.lit .stop-dot { fill:var(--accent-2); stroke:var(--accent-2); }
.stop.goal.lit .stop-halo { opacity:0.30; animation:goalPulse 2.2s ease-in-out infinite; }
.stop.goal.lit .stop-mark { fill:#FFFFFF; }
.stop.goal.lit .stop-label { fill:var(--ink); }
@keyframes goalPulse { 0%,100% { opacity:0.22; } 50% { opacity:0.42; } }

/* ---------- Hero overlay copy (scroll-driven) ---------- */
.overlay {
  position:absolute;
  inset:0;
  z-index:10;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:0 8vw;
  max-width:1400px;
  margin:0 auto;
}
.reveal-line {
  position:absolute;
  left:8vw; right:8vw;
  max-width:760px;
  font-weight:700;
  font-size:clamp(2rem, 5.4vw, 4.6rem);
  letter-spacing:-0.01em;
  line-height:1.08;
  opacity:0;
  will-change:opacity, transform;
  transition:opacity 0.45s ease, transform 0.45s ease;
}
.reveal-line .hl { color:var(--accent); }
.reveal-line .hl2 { color:var(--accent-2); }

.scroll-hint {
  position:absolute;
  bottom:28px; left:50%;
  transform:translateX(-50%);
  z-index:12;
  font-size:11px;
  letter-spacing:0.4em;
  color:var(--ink-dim);
  animation:bob 1.8s ease-in-out infinite;
  transition:opacity 0.4s;
}
@keyframes bob { 0%,100% { transform:translateX(-50%) translateY(0); } 50% { transform:translateX(-50%) translateY(6px); } }

.progress {
  position:absolute;
  left:40px; right:40px; bottom:16px;
  height:2px;
  background:rgba(26,29,35,0.1);
  z-index:12;
}
.progress-fill {
  height:100%; width:0%;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow:0 0 12px var(--accent);
}

/* ---------- Generic sections ---------- */
.section {
  padding:11rem 8vw;
  position:relative;
}
.section.dark { background:var(--bg-2); }
.eyebrow {
  font-size:12px;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:1.2rem;
  font-weight:600;
}
.section h2 {
  font-size:clamp(1.8rem, 4vw, 3.2rem);
  font-weight:700;
  letter-spacing:-0.01em;
  max-width:18ch;
  margin-bottom:1.5rem;
}
.section .lead { color:var(--ink-dim); font-size:1.15rem; max-width:60ch; }

/* cards */
.grid { display:grid; gap:1.5rem; margin-top:3rem; }
.grid-3 { grid-template-columns:repeat(3, 1fr); }
.grid-2 { grid-template-columns:repeat(2, 1fr); }
.card {
  border:1px solid var(--line);
  border-radius:18px;
  padding:2rem;
  background:linear-gradient(180deg, rgba(26,29,35,0.025), transparent);
}
.card h3 { font-size:1.25rem; margin-bottom:0.6rem; }
.card p { color:var(--ink-dim); font-size:0.98rem; }
.card .stat { font-size:2.6rem; font-weight:700; color:var(--accent); font-family:"Space Grotesk"; }

/* oferta — cennik */
.card .price {
  font-family:"Space Grotesk", sans-serif;
  font-size:2rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:0.4rem;
}
.card.featured {
  border-color:rgba(34,211,238,0.55);
  background:linear-gradient(180deg, rgba(34,211,238,0.07), transparent);
  box-shadow:0 0 40px rgba(34,211,238,0.08);
  position:relative;
}
.card.featured .price { color:var(--accent); }
.badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}
.offer-list {
  list-style:none;
  margin-top:1.1rem;
  display:grid;
  gap:0.5rem;
}
.offer-list li {
  color:var(--ink-dim);
  font-size:0.92rem;
  padding-left:1.4rem;
  position:relative;
}
.offer-list li::before {
  content:"→";
  position:absolute;
  left:0;
  color:var(--accent);
}
.offer-note {
  margin-top:2.5rem;
  color:var(--ink-dim);
  font-size:1rem;
  max-width:60ch;
  border-left:2px solid var(--accent);
  padding-left:1.2rem;
}
.offer-note b { color:var(--ink); }

/* proof strip — opinie */
.proof-strip {
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1.5rem;
  margin-top:2.5rem;
  max-width:760px;
}
.proof-strip figure {
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:rgba(26,29,35,0.02);
}
.proof-strip img { width:100%; height:auto; display:block; }

/* footer columns */
.footer-links .footer-h {
  color:var(--ink);
  font-weight:600;
  font-family:"Space Grotesk", sans-serif;
  margin-bottom:0.6rem;
  font-size:0.9rem;
}
.footer-links p { margin:0.25rem 0; }

/* CTA band */
.cta-band {
  text-align:center;
  padding:9rem 8vw;
  background:radial-gradient(70% 120% at 50% 0%, rgba(99,102,241,0.18), transparent 60%), var(--bg);
}
.cta-band h2 { margin:0 auto 1.2rem; }
.btn {
  display:inline-block;
  margin-top:1.5rem;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  color:var(--bg);
  font-weight:700;
  padding:16px 34px;
  border-radius:999px;
  text-decoration:none;
  font-size:1.05rem;
  transition:transform 0.2s, box-shadow 0.2s;
}
.btn:hover { transform:translateY(-2px); box-shadow:0 12px 40px rgba(34,211,238,0.3); }

/* footer */
.footer {
  padding:4rem 8vw;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:2rem;
  color:var(--ink-dim);
  font-size:0.9rem;
}
.footer a { color:var(--ink-dim); text-decoration:none; }
.footer a:hover { color:var(--accent); }

/* reveal-on-scroll */
.reveal { opacity:0; transform:translateY(30px); transition:opacity 0.7s, transform 0.7s; }
.reveal.in { opacity:1; transform:none; }

/* ---------- Mobile ---------- */
@media (max-width:760px) {
  .nav { padding:14px 18px; }
  .nav-mid { display:none; }
  .section { padding:6rem 7vw; }
  .grid-3, .grid-2, .proof-strip { grid-template-columns:1fr; }
  .reveal-line { left:7vw; right:7vw; }
  .progress { left:18px; right:18px; }
  .stop-label { font-size:13px; }
  .stop.goal .stop-label { font-size:15px; }
}

/* ============================================================
   PRO POLISH (oba motywy) — grain, 3-warstwowe cienie, focus
   wg BIBLIOTEKA_LEVEL_100 §1-2
   ============================================================ */
/* grain/noise — zabija „plastikowy" AI-look */
body::before {
  content:"";
  position:fixed; inset:0; z-index:1;
  pointer-events:none; opacity:0.5; mix-blend-mode:overlay;
  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='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.nav, .overlay, .road, section, footer { position:relative; z-index:2; }

/* karty:3-warstwowy cień + hover-lift (controlled, ≤200ms) */
.card {
  box-shadow:0 1px 2px rgba(26,29,35,0.4), 0 8px 22px rgba(26,29,35,0.22), 0 18px 50px rgba(26,29,35,0.12);
  transition:transform 0.2s cubic-bezier(.4,0,.2,1), border-color 0.2s ease;
}
.card:hover { transform:translateY(-3px); border-color:rgba(34,211,238,0.4); }

/* focus-visible (WCAG 2.4.7) */
a:focus-visible, .btn:focus-visible, .nav-cta:focus-visible, .theme-toggle:focus-visible {
  outline:2px solid var(--accent); outline-offset:3px; border-radius:6px;
}

/* przełącznik motywu */
.theme-toggle {
  display:inline-flex; align-items:center; justify-content:center;
  width:36px; height:36px; margin-left:14px;
  background:transparent; border:1px solid var(--line);
  color:var(--ink-dim); border-radius:999px; cursor:pointer;
  font-size:15px; transition:color 0.2s, border-color 0.2s, transform 0.2s;
}
.theme-toggle:hover { color:var(--accent); border-color:var(--accent); transform:translateY(-1px); }
.nav-right { display:flex; align-items:center; }

/* ============================================================
   MOTYW JASNY (html.light) — alternatywa „vectrfl-style"
   ============================================================ */
html.light {
  --ink:#1A1D23;
  --ink-dim:rgba(26,29,35,0.62);
  --bg:#F4F7FE;
  --bg-2:#E9EFFA;
  --accent:#8C5A0F;     /* indygo — czytelny na jasnym */
  --accent-2:#8C5A0F;   /* deep cyan */
  --line:rgba(26,29,35,0.10);
}
html.light body::before { mix-blend-mode:multiply; opacity:0.35; }
html.light .nav { background:linear-gradient(180deg, rgba(26,29,35,0.85), transparent); }
html.light .vignette {
  background:radial-gradient(130% 90% at 70% 50%, transparent 42%, rgba(26,29,35,0.7) 100%),
    linear-gradient(90deg, rgba(26,29,35,0.9) 0%, rgba(26,29,35,0.35) 38%, transparent 68%);
}
html.light .road-track { stroke:rgba(26,29,35,0.12); }
html.light .stop-dot { fill:#FFFFFF; stroke:rgba(26,29,35,0.2); }
html.light .stop.lit .stop-dot { fill:var(--accent); stroke:var(--accent); }
html.light .stop.lit .stop-mark { fill:#FFFFFF; }
html.light .stop.goal.lit .stop-mark { fill:#FFFFFF; }
html.light .progress { background:rgba(26,29,35,0.08); }
html.light .card {
  background:#FFFFFF; border-color:rgba(26,29,35,0.08);
  box-shadow:0 1px 2px rgba(26,29,35,0.04), 0 10px 28px rgba(26,29,35,0.07), 0 24px 60px rgba(26,29,35,0.05);
}
html.light .card:hover { border-color:rgba(140,90,15,0.45); }
html.light .card.featured {
  background:linear-gradient(180deg, rgba(140,90,15,0.06), #FFFFFF);
  border-color:rgba(140,90,15,0.45);
  box-shadow:0 10px 44px rgba(140,90,15,0.14);
}
html.light .card .stat { color:var(--accent); }
html.light .badge { color:#1A1D23; }
html.light .btn { color:#1A1D23; }
html.light .btn:hover { box-shadow:0 12px 40px rgba(140,90,15,0.28); }
html.light .nav-cta:hover { color:#1A1D23; }
html.light .proof-strip figure { background:#FFFFFF; }
html.light .cta-band { background:radial-gradient(70% 120% at 50% 0%, rgba(140,90,15,0.1), transparent 60%), var(--bg); }