/* czat-bot.pl, system "Luminous Vanguard" (DESIGN.md). Tylko tokeny. */
:root {
  --surface-base: #0B0B12;
  --surface-elevated: #13131F;
  --surface-overlay: #1C1C2E;
  --surface-glass: rgba(19, 19, 31, 0.65);
  --lime: #B6FF3C;
  --coral: #FF6B4A;
  --aurora: #7A5AF8;
  --text-primary: #F4F4F7;
  --text-secondary: #A2A2B8;
  --text-tertiary: #63637E;
  --border-luminous: rgba(255, 255, 255, 0.08);
  --border-active: rgba(182, 255, 60, 0.35);
  --on-lime: #0B0B12;
  --bubble-bot: rgba(28, 28, 46, 0.85);
  --bubble-user: rgba(182, 255, 60, 0.12);
  --bubble-user-border: rgba(182, 255, 60, 0.3);
  --terminal: #07070B;
  --space-xs: 8px; --space-sm: 12px; --space-md: 16px; --space-lg: 24px; --space-xl: 32px; --margin-lg: 48px;
  --r-card: 24px; --r-hero: 28px; --r-ctl: 12px; --r-pill: 9999px;
  --font: 'Montserrat', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--surface-base); color: var(--text-primary);
  font: 400 16px/26px var(--font); -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-xl); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }

/* typografia: tokeny */
.t-display { font-size: 56px; line-height: 64px; font-weight: 700; letter-spacing: -0.03em; }
.t-h1 { font-size: 48px; line-height: 56px; font-weight: 700; letter-spacing: -0.025em; }
.t-h2 { font-size: 32px; line-height: 40px; font-weight: 600; letter-spacing: -0.02em; }
.t-title-lg { font-size: 24px; line-height: 32px; font-weight: 600; letter-spacing: -0.01em; }
.t-title-md { font-size: 18px; line-height: 26px; font-weight: 600; }
.t-body-lg { font-size: 16px; line-height: 26px; font-weight: 400; }
.t-body-md { font-size: 14px; line-height: 22px; font-weight: 400; letter-spacing: 0.005em; }
.t-body-sm { font-size: 12px; line-height: 18px; font-weight: 400; letter-spacing: 0.01em; }
.t-label-md { font-size: 14px; line-height: 20px; font-weight: 600; letter-spacing: 0.01em; }
.t-label-sm { font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.02em; }
.t-mono { font-family: var(--mono); font-size: 13px; line-height: 20px; font-weight: 400; }
.muted { color: var(--text-secondary); }
.lime { color: var(--lime); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.1em; color: var(--lime); }

/* ikony Material Symbols */
.ms { font-family: 'Material Symbols Outlined'; font-weight: 400; font-style: normal; font-size: 18px; line-height: 1; display: inline-block; vertical-align: middle; font-variation-settings: 'FILL' 0; }
.ms.fill { font-variation-settings: 'FILL' 1; }

/* przyciski */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs);
  height: 44px; padding: 0 var(--space-lg); border-radius: var(--r-pill); border: 1px solid transparent; cursor: pointer;
  font: 600 14px/20px var(--font); letter-spacing: 0.01em; transition: box-shadow .2s, border-color .2s, background .2s, transform .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--lime); color: var(--on-lime); }
.btn-primary:hover { box-shadow: 0 0 20px rgba(182, 255, 60, 0.3); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.12); color: var(--text-primary); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.08); }
.btn-lg { height: 52px; padding: 0 var(--space-xl); }
.btn-block { width: 100%; }

/* nagłówek */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; background: rgba(11, 11, 18, 0.75); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-luminous); }
.nav-in { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.logo { display: flex; align-items: center; gap: 10px; white-space: nowrap; flex-shrink: 0; font-size: 18px; line-height: 26px; font-weight: 700; letter-spacing: -0.01em; }
.logo-mark { width: 32px; height: 32px; border-radius: var(--r-ctl); background: rgba(182, 255, 60, 0.15); border: 1px solid var(--border-active); display: flex; align-items: center; justify-content: center; color: var(--lime); }
.nav-links { display: flex; gap: var(--space-xs); padding: 4px; border-radius: var(--r-pill); background: var(--surface-glass); border: 1px solid var(--border-luminous); }
.nav-links a { padding: var(--space-xs) var(--space-md); border-radius: var(--r-pill); color: var(--text-secondary); font-size: 14px; line-height: 20px; font-weight: 600; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.06); }

/* tło: aurora */
.aurora { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(130px); }
.aurora.a1 { width: 550px; height: 550px; background: rgba(182, 255, 60, 0.07); top: -60px; left: 20%; }
.aurora.a2 { width: 500px; height: 500px; background: rgba(122, 90, 248, 0.14); top: 200px; right: -120px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 140px 0 96px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 7fr 5fr; gap: var(--margin-lg); align-items: center; }
.pill { display: inline-flex; align-items: center; gap: var(--space-xs); padding: 6px var(--space-md); border-radius: var(--r-pill); background: var(--surface-overlay); border: 1px solid var(--border-luminous); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--lime); }
.dot.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.4; } }
.hero h1 { margin: var(--space-lg) 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-md); margin: var(--space-xl) 0 var(--space-lg); }
.chips-row { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.badge { display: inline-flex; align-items: center; gap: var(--space-xs); padding: var(--space-xs) var(--space-md); border-radius: var(--r-pill); background: var(--surface-glass); border: 1px solid var(--border-luminous); }

/* okno czatu (makieta) */
.demo-tabs { display: flex; gap: var(--space-xs); margin-bottom: var(--space-sm); }
.tab { padding: 6px var(--space-md); border-radius: var(--r-pill); background: var(--surface-overlay); color: var(--text-secondary); border: 0; cursor: pointer; font: 600 12px/16px var(--font); letter-spacing: 0.02em; }
.tab.on { background: var(--lime); color: var(--on-lime); }
.chat { background: var(--surface-glass); backdrop-filter: blur(16px); border: 1px solid var(--border-luminous); border-radius: var(--r-card); overflow: hidden; box-shadow: 0 20px 48px -8px rgba(0, 0, 0, 0.7); }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: var(--space-md) var(--space-lg); background: var(--surface-overlay); }
.chat-body { padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-md); min-height: 330px; }
.bubble { max-width: 88%; padding: var(--space-sm) var(--space-md); font-size: 14px; line-height: 22px; letter-spacing: 0.005em; }
.bubble.bot { background: var(--bubble-bot); border: 1px solid var(--border-luminous); border-radius: 20px 20px 20px 4px; align-self: flex-start; }
.bubble.user { background: var(--bubble-user); border: 1px solid var(--bubble-user-border); border-radius: 20px 20px 4px 20px; align-self: flex-end; }
.tag-bot { display: inline-flex; align-items: center; gap: 6px; padding: 2px var(--space-xs); border-radius: var(--r-pill); background: var(--terminal); color: var(--lime); font: 400 12px/16px var(--mono); margin-bottom: 6px; }
.qchips { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.qchip { padding: 6px var(--space-md); border-radius: var(--r-pill); background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-luminous); font: 600 12px/16px var(--font); }
.product { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-md); border-radius: var(--r-ctl); background: var(--terminal); border: 1px solid var(--border-luminous); }
.chat-foot { padding: var(--space-md); background: var(--surface-overlay); display: flex; gap: var(--space-sm); align-items: center; }
.fake-input { flex: 1; height: 44px; border-radius: var(--r-pill); background: var(--terminal); padding: 0 var(--space-md); display: flex; align-items: center; color: var(--text-tertiary); font-size: 12px; }
.demo-note { margin-top: var(--space-sm); text-align: center; color: var(--text-tertiary); }

/* sekcje */
section { position: relative; }
.sec { padding: 96px 0; }
.sec.alt { background: rgba(7, 7, 11, 0.6); }
.sec-head { max-width: 720px; margin-bottom: var(--margin-lg); }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .eyebrow { display: block; margin-bottom: var(--space-xs); }
.sec-head h2 { margin-bottom: var(--space-sm); }
.card { background: var(--surface-glass); backdrop-filter: blur(16px); border: 1px solid var(--border-luminous); border-radius: var(--r-card); padding: var(--space-xl); transition: border-color .2s, box-shadow .2s; }
.card:hover { border-color: rgba(182, 255, 60, 0.4); box-shadow: 0 0 24px -4px rgba(182, 255, 60, 0.12); }
.card.flat:hover { border-color: var(--border-luminous); box-shadow: none; }
.icon-box { width: 40px; height: 40px; border-radius: var(--r-ctl); background: var(--surface-overlay); display: flex; align-items: center; justify-content: center; color: var(--lime); margin-bottom: var(--space-md); }
.soon { display: inline-block; padding: 2px var(--space-xs); border-radius: var(--r-pill); border: 1px solid var(--border-luminous); color: var(--text-secondary); font: 400 12px/16px var(--mono); margin-left: var(--space-xs); vertical-align: middle; }

/* terminal */
.terminal { max-width: 1024px; margin: 0 auto; background: var(--terminal); border: 1px solid var(--border-luminous); border-radius: var(--r-card); padding: var(--space-lg); }
.term-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: var(--space-md); }
.lights { display: flex; gap: 6px; align-items: center; }
.lights i { width: 6px; height: 6px; border-radius: 50%; display: block; }
.code-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-md); border-radius: var(--r-ctl); background: var(--surface-base); border: 1px solid var(--border-luminous); overflow-x: auto; }
.code-row code { white-space: nowrap; color: var(--text-primary); }
.k { color: var(--lime); } .v { color: var(--coral); } .o { color: var(--text-secondary); }

/* siatki */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.span-2 { grid-column: span 2; }
.tile { background: var(--terminal); border: 1px solid var(--border-luminous); border-radius: var(--r-ctl); padding: var(--space-md); }
.stack { display: flex; flex-direction: column; gap: var(--space-sm); }
.row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.toggle { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xs); padding: 4px; border-radius: var(--r-ctl); background: var(--surface-base); text-align: center; }
.toggle span { padding: 6px; border-radius: var(--space-xs); color: var(--text-secondary); }
.toggle span.on { background: var(--lime); color: var(--on-lime); }
.checks { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); margin-top: var(--space-lg); color: var(--text-secondary); }
.checks span { display: inline-flex; align-items: center; gap: 6px; }
.accent-bar { position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, rgba(255, 107, 74, 0.5), rgba(122, 90, 248, 0.5), rgba(182, 255, 60, 0.5)); border-radius: var(--r-card) var(--r-card) 0 0; }
.dash { border: 1px dashed rgba(255, 255, 255, 0.2); border-radius: var(--r-ctl); padding: var(--space-lg); text-align: center; }
.swatch { width: 24px; height: 24px; border-radius: 50%; display: inline-block; }
.steps .num { font: 600 32px/40px var(--mono); color: rgba(182, 255, 60, 0.35); margin-bottom: var(--space-md); display: block; }

/* cennik */
.price { font-size: 56px; line-height: 64px; font-weight: 700; letter-spacing: -0.03em; }
.plan ul { display: flex; flex-direction: column; gap: var(--space-sm); margin: var(--space-lg) 0 var(--space-xl); }
.plan li { display: flex; gap: var(--space-xs); align-items: flex-start; }
.plan li .ms { color: var(--lime); margin-top: 2px; }
.plan.feat { border-color: var(--border-active); box-shadow: 0 0 40px rgba(182, 255, 60, 0.12); }
.plan.coral li .ms { color: var(--coral); }

/* FAQ */
.faq details { background: var(--surface-glass); border: 1px solid var(--border-luminous); border-radius: var(--r-card); padding: var(--space-lg); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: var(--space-md); align-items: center; font-size: 18px; line-height: 26px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ms { color: var(--lime); transition: transform .2s; }
.faq details[open] summary .ms { transform: rotate(180deg); }
.faq details p { margin-top: var(--space-sm); color: var(--text-secondary); }

/* CTA końcowe */
.cta { text-align: center; border-radius: var(--r-hero); padding: 80px var(--space-xl); background: var(--surface-overlay); border: 1px solid var(--border-luminous); position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 0%, rgba(182, 255, 60, 0.15), transparent); pointer-events: none; }
.cta > * { position: relative; }

/* stopka */
footer { background: var(--terminal); border-top: 1px solid var(--border-luminous); margin-top: var(--margin-lg); padding: 64px 0 var(--space-xl); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-xl); padding-bottom: var(--space-xl); }
.foot-grid h4 { margin-bottom: var(--space-md); }
.foot-grid li { margin-bottom: var(--space-sm); }
.foot-grid li a { color: var(--text-secondary); }
.foot-grid li a:hover { color: var(--text-primary); }
.foot-bottom { border-top: 1px solid var(--border-luminous); padding-top: var(--space-lg); color: var(--text-secondary); display: flex; justify-content: space-between; gap: var(--space-md); flex-wrap: wrap; }

/* responsywność */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .hero-grid, .grid-2, .grid-3, .foot-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .hero { padding-top: 120px; }
}
@media (max-width: 767px) {
  .wrap { padding: 0 var(--space-md); }
  .t-display { font-size: 38px; line-height: 46px; letter-spacing: -0.02em; }
  .t-h1 { font-size: 32px; line-height: 40px; letter-spacing: -0.02em; }
  .t-h2 { font-size: 28px; line-height: 36px; }
  .price { font-size: 38px; line-height: 46px; }
  .sec { padding: 64px 0; }
  .card { padding: var(--space-lg); }
  .nav .btn { padding: 0 var(--space-md); }
}
@media (max-width: 400px) {
  .t-display { font-size: 32px; line-height: 40px; }
  .hide-xs { display: none; }
  .btn-lg { padding: 0 var(--space-lg); }
}
@media (prefers-reduced-motion: reduce) { .dot.pulse { animation: none; } html { scroll-behavior: auto; } }