:root {
  --bg: #0f1420;
  --bg-alt: #161d2e;
  --card: #1c2438;
  --text: #e8ecf4;
  --muted: #9aa5ba;
  --accent: #6ea8fe;
  --accent-strong: #3d7bf5;
  --border: #2a3450;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

/* Extra space above sections when navigating via anchor (sticky header) */
section[id], div[id] { scroll-margin-top: 96px; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 1.5rem; }

.accent { color: var(--accent); }
.muted { color: var(--muted); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 20, 32, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

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

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

nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--text); }
nav a.active { color: var(--accent); font-weight: 600; }

/* Card link (text hyperlink inside cards) */
.card-link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.card-link:hover { text-decoration: underline; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent-strong);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: filter 0.15s ease;
}

.btn:hover { filter: brightness(1.15); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

.btn-small { padding: 0.5rem 1rem; font-size: 0.9rem; }

/* Hero */
.hero { padding: 6rem 0 5rem; }

.hero-inner { max-width: 720px; }

h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.15; margin-bottom: 1.25rem; }

.lede { font-size: 1.15rem; color: var(--muted); margin-bottom: 2rem; }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-alt); }

h2 { font-size: 1.75rem; margin-bottom: 1.5rem; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card-featured { border-color: var(--accent-strong); }

/* Price cards: grow on hover */
.price-card { transition: transform 0.15s ease, box-shadow 0.15s ease; }

.price-card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}

.card h3 { margin-bottom: 0.25rem; }

.card ul { list-style: none; margin-top: 0.75rem; }

.card-text { margin-top: 0.75rem; font-size: 0.95rem; }

.card li { padding: 0.35rem 0; border-bottom: 1px solid var(--border); }
.card li:last-child { border-bottom: none; }

.price { font-size: 2rem; font-weight: 700; margin: 0.5rem 0; }

/* About: highlighted key facts */
#o-mnie strong { color: var(--accent); }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
}

.checklist { list-style: none; }
.checklist li { padding: 0.5rem 0; }
.checklist li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* Contact */
.contact-actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }

/* FAQ */
.faq-container { max-width: 720px; }

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  padding: 1rem 1.25rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p { margin-top: 0.75rem; color: var(--muted); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .about-grid { grid-template-columns: 1fr; }
  nav a:not(.btn) { display: none; }
}