/* CloudSZBI – strona promocyjna */
:root {
  --bg: #0f1419;
  --bg-alt: #1a2332;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --border: #30363d;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--bg-alt);
  border-color: var(--text-muted);
}

.btn-ghost {
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.hero-lead {
  margin: 0 0 2rem;
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.intro {
  margin: 0;
  color: var(--text-muted);
}

/* Features */
.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.feature {
  padding: 1.25rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* CTA section */
.section-cta {
  text-align: center;
}

.section-cta p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.cta-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: 1fr 1fr;
  }
}