:root {
  /* Brand */
  --brand-dark: #062330;
  --brand-accent: #00a5fe;

  /* Light theme */
  --bg: #ffffff;
  --surface: #f6fbff;
  --surface2: #eef7ff;
  --text: #062330;
  --muted: rgba(6, 35, 48, 0.68);
  --border: rgba(6, 35, 48, 0.14);

  --radius-lg: 22px;
  --radius-md: 16px;

  --shadow: 0 10px 40px rgba(6, 35, 48, 0.10);
  --glow: 0 0 40px rgba(0, 165, 254, 0.22);

  /* Gradient (tylko na akcencie) */
  --grad: linear-gradient(135deg, rgba(0, 165, 254, 1) 0%, rgba(0, 165, 254, 0.65) 100%);
}

/* Dark theme */
html[data-theme="dark"] {
  --bg: #062330;
  --surface: rgba(255, 255, 255, 0.06);
  --surface2: rgba(255, 255, 255, 0.08);
  --text: #eaf6ff;
  --muted: rgba(234, 246, 255, 0.70);
  --border: rgba(234, 246, 255, 0.14);

  --shadow: 0 10px 50px rgba(0, 0, 0, 0.35);
  --glow: 0 0 46px rgba(0, 165, 254, 0.28);
  --grad: linear-gradient(135deg, rgba(0, 165, 254, 1) 0%, rgba(0, 165, 254, 0.55) 100%);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.logo {
  width: 200px;
  height: auto;
}

/* Layout */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px;
}

.section {
  padding: 70px 0;
}

.hideSm {
  display: none;
}

@media (min-width: 880px) {
  .hideSm {
    display: block;
  }
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
}

.headerInner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brandMark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 30%, rgba(0, 165, 254, 0.35), transparent 55%),
    color-mix(in srgb, var(--surface) 70%, transparent);
  border: 1px solid var(--border);
  box-shadow: var(--glow);
}

.brandName {
  font-weight: 800;
  letter-spacing: 0.6px;
}

.brandSub {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1.4px;
}

.nav {
  display: none;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.nav a:hover {
  color: var(--text);
}

@media (min-width: 880px) {
  .nav {
    display: flex;
  }
}

.headerActions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 40px;
}

.heroBg {
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 165, 254, 0.22), transparent 46%),
    radial-gradient(circle at 75% 35%, rgba(0, 165, 254, 0.14), transparent 52%),
    radial-gradient(circle at 50% 90%, rgba(0, 165, 254, 0.10), transparent 55%);
  filter: blur(10px);
  pointer-events: none;
}

.heroGrid {
  position: relative;
  display: grid;
  gap: 18px;
}

@media (min-width: 980px) {
  .heroGrid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
  }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  color: var(--muted);
  font-size: 12.5px;
}

.pill.small {
  font-size: 11.5px;
  padding: 6px 10px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--brand-accent);
  box-shadow: var(--glow);
}

.h1 {
  margin: 14px 0 0;
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: -0.8px;
}

@media (min-width: 980px) {
  .h1 {
    font-size: 56px;
  }
}

.gradText {
  color: transparent;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
}

.lead {
  margin: 14px 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.65;
}

.heroCtas {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chips {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chips.big .chip {
  padding: 10px 14px;
  font-size: 14px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface2) 70%, transparent);
  color: var(--muted);
  font-size: 13px;
}

/* Cards / grid */
.sectionHead {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.4px;
}

.muted {
  margin: 8px 0 0;
  color: var(--muted);
}

.grid3 {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

@media (min-width: 980px) {
  .grid3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

.grid2 {
  display: grid;
  gap: 14px;
}

@media (min-width: 980px) {
  .grid2 {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

.box {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow: var(--shadow);
  padding: 18px;
}

.boxTitle {
  margin-top: 10px;
  font-weight: 800;
  font-size: 18px;
}

.boxDesc {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.boxMeta {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.2px;
}

/* Panel */
.panel {
  border-radius: 28px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  padding: 18px;
}

@media (min-width: 980px) {
  .panel {
    padding: 24px;
  }
}

.panelHead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero right card */
.heroRight {
  position: relative;
}

.cardGlow {
  position: absolute;
  inset: -20px;
  border-radius: 30px;
  background: radial-gradient(circle at 40% 20%, rgba(0, 165, 254, 0.32), transparent 55%);
  filter: blur(18px);
  opacity: 0.9;
  pointer-events: none;
}

.card {
  position: relative;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow: var(--shadow);
  padding: 18px;
}

.cardHead {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.cardTitle {
  font-weight: 900;
}

.cardSub {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.badge {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface2) 70%, transparent);
  padding: 6px 10px;
  font-size: 12px;
  color: var(--muted);
}

.kpis {
  margin-top: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.kpi,
.kpiWide {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface2) 72%, transparent);
  padding: 14px;
}

.kpiWide {
  grid-column: span 2;
}

.kpiLabel {
  font-size: 12px;
  color: var(--muted);
}

.kpiVal {
  margin-top: 6px;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.4px;
}

.kpiHint {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.statusRow {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.statusDot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--brand-accent);
  box-shadow: var(--glow);
}

.bar {
  margin-top: 12px;
  height: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  overflow: hidden;
}

.barFill {
  height: 100%;
  width: 78%;
  background: var(--grad);
  border-radius: 999px;
}

.miniBox {
  margin-top: 12px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  padding: 14px;
}

.list {
  margin: 10px 0 0;
  padding-left: 0;
  list-style: none;
  color: var(--muted);
}

.list li {
  margin: 6px 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface2) 65%, transparent);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  transition: transform .12s ease, filter .12s ease, box-shadow .12s ease, background .12s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  border-color: color-mix(in srgb, var(--brand-accent) 40%, var(--border));
  background: var(--grad);
  color: #ffffff;
  box-shadow: var(--glow);
}

.btn-ghost {
  background: color-mix(in srgb, var(--surface) 60%, transparent);
}

.btn .icon {
  font-size: 16px;
}

.btn .btnText {
  font-weight: 900;
  letter-spacing: 0.2px;
}

/* Form */
.form {
  display: grid;
  gap: 10px;
}

.label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  color: var(--text);
  outline: none;
}

.input:focus {
  border-color: color-mix(in srgb, var(--brand-accent) 55%, var(--border));
  box-shadow: var(--glow);
}

.stack {
  display: grid;
  gap: 10px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.footer {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}