/* Clean, airy, Apple-like layout (light, whitespace, subtle borders) */

:root{
  --bg: #ffffff;
  --surface: #f7f7f8;
  --surface2: #fbfbfc;
  --text: #111111;
  --muted: #6b6b6f;
  --line: rgba(0,0,0,0.10);
  --shadow: 0 12px 30px rgba(0,0,0,0.08);

  --radius: 18px;
  --radius2: 14px;

  --primary: #0a84ff;
  --primary-hover: #0066cc;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

a{
  color: inherit;
  text-decoration: none;
}
a:hover{ text-decoration: underline; }

a.under {
  text-decoration: underline;
}

.container{
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

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

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}
.brand:hover{ text-decoration: none; }

.brand-mark{
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, rgba(10,132,255,1), rgba(94,92,230,1));
  color: white;
  box-shadow: 0 10px 24px rgba(10,132,255,0.18);
}

.brand-text{
  display: grid;
  gap: 2px;
}
.brand-title{
  font-weight: 700;
  letter-spacing: -0.2px;
}
.brand-sub{
  font-size: 13px;
  color: var(--muted);
}

.nav{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a{
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.nav a:hover{
  text-decoration: none;
  color: var(--text);
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.06);
}

/* Hero */
.hero{
  padding: 44px 0 24px;
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(10,132,255,0.12), transparent 60%),
    radial-gradient(900px 420px at 85% 20%, rgba(94,92,230,0.10), transparent 55%);
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: start;
}

.eyebrow{
  margin: 0 0 10px 0;
  font-size: 14px;
  color: var(--muted);
}

.hero-copy h1{
  margin: 0 0 10px 0;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.8px;
}
.lead{
  margin: 0 0 18px 0;
  font-size: 17px;
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 14px 0;
}

.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(255,255,255,0.65);
  box-shadow: 0 1px 0 rgba(0,0,0,0.03);
  font-weight: 650;
}
.button:hover{
  text-decoration: none;
  background: rgba(255,255,255,0.90);
}

.button.primary{
  background: var(--primary);
  border-color: rgba(10,132,255,0.35);
  color: white;
  box-shadow: 0 14px 30px rgba(10,132,255,0.22);
}
.button.primary:hover{
  background: var(--primary-hover);
}

.hero-note{
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.70);
  border: 1px solid rgba(0,0,0,0.08);
  color: var(--muted);
}

.hero-card{
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.hero-card-top{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.hero-card h2{
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.2px;
}

.facts{
  margin: 0;
  display: grid;
  gap: 10px;
}
.fact{
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.06);
}
.fact dt{
  color: var(--muted);
  font-size: 13px;
}
.fact dd{
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.1px;
}

.mini-callout{
  margin-top: 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(10,132,255,0.06);
  border: 1px solid rgba(10,132,255,0.16);
  color: var(--muted);
}
.dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-top: 4px;
  background: var(--primary);
}

/* Sections */
.section{
  padding: 42px 0;
}
.section-alt{
  background: var(--surface2);
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.section-head{
  margin-bottom: 18px;
}
.section-head h2{
  margin: 0 0 8px 0;
  font-size: 24px;
  letter-spacing: -0.3px;
}
.muted{ color: var(--muted); }
.small{ font-size: 13px; }

/* Grid utilities */
.grid{
  display: grid;
  gap: 14px;
}

.cards{
  grid-template-columns: repeat(2, 1fr);
}

.two{
  grid-template-columns: 1.15fr 0.85fr;
  margin-top: 14px;
}

.steps{
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;              /* bylo jen default 14px z .grid */
  margin-top: 14px;       /* trochu nadechnout od boxu nad tím */
}

/* Cards */
.card{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(0,0,0,0.06);
  padding: 16px;
}
.card.flat{
  box-shadow: none;
  background: var(--surface);
}
.card h3{
  margin: 0 0 8px 0;
  font-size: 17px;
  letter-spacing: -0.2px;
}
.card p{ margin: 0 0 10px 0; }

.card-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

/* Pills */
.pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(10,132,255,0.18);
  background: rgba(10,132,255,0.08);
  color: rgba(0,0,0,0.75);
  white-space: nowrap;
}
.pill.secondary{
  border-color: rgba(94,92,230,0.18);
  background: rgba(94,92,230,0.08);
}
.pill.tertiary{
  border-color: rgba(52,199,89,0.20);
  background: rgba(52,199,89,0.10);
}
.pill.ghost{
  border-color: rgba(0,0,0,0.10);
  background: rgba(0,0,0,0.03);
}

/* Lists */
.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li{ margin: 6px 0; }

.soft-box{
  margin-top: 16px;
  padding: 14px 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.07);
  color: var(--muted);
}

/* Panel */
.panel{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(0,0,0,0.06);
  padding: 16px;
}
.panel-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}
.panel h3{
  margin: 0 0 8px 0;
  font-size: 18px;
  letter-spacing: -0.2px;
}

.panel-tip{
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius);
  padding: 14px;
}
.panel-tip h4{
  margin: 0 0 8px 0;
  font-size: 15px;
  letter-spacing: -0.1px;
}

.kbd-row{
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  flex-wrap: wrap;
}
.kbd{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.10);
  background: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* Steps */
.step{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(0,0,0,0.06);
  padding: 16px;
  height: 100%;
}
.step-num{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: rgba(10,132,255,0.10);
  border: 1px solid rgba(10,132,255,0.20);
  color: rgba(0,0,0,0.75);
  margin-bottom: 10px;
}

/* Code blocks */
.codeblock{
  margin-top: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.10);
  background: #fff;
  overflow: hidden;
}
.code-title{
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  background: rgba(0,0,0,0.02);
}
pre{
  margin: 0;
  padding: 12px;
  overflow: auto;
}
code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12.5px;
  color: #1a1a1a;
}

/* Links */
.links{
  grid-template-columns: repeat(2, 1fr);
}
.link{
  display: block;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.08);
  background: #fff;
  box-shadow: 0 8px 22px rgba(0,0,0,0.06);
}
.link:hover{
  text-decoration: none;
  border-color: rgba(10,132,255,0.20);
  box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}
.link-title{
  font-weight: 750;
  letter-spacing: -0.1px;
  margin-bottom: 6px;
}
.link-meta{
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(0,0,0,0.03);
}

/* Footer */
.footer{
  border-top: 1px solid rgba(0,0,0,0.08);
  background: #fff;
  padding: 18px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.footer-links{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-links a{
  color: var(--muted);
}
.footer-links a:hover{
  color: var(--text);
  text-decoration: none;
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .panel-grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .two{ grid-template-columns: 1fr; }
  .links{ grid-template-columns: 1fr; }
  .brand{ min-width: 0; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
  .container{ width: min(1120px, calc(100% - 28px)); }
}