:root {
  --bg: #0b0c0f;
  --surface: #12141a;
  --text: #e8eaf1;
  --muted: #a7b0c0;
  --primary: #4f8cff;
  --primary-600: #3b6ee0;
  --ring: 0 0 0 3px rgba(79, 140, 255, .35);
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --surface: #f6f7fb;
    --text: #0b1020;
    --muted: #4b5565;
    --primary: #2f67ff;
    --primary-600: #1e4fe0;
    --ring: 0 0 0 3px rgba(47, 103, 255, .25);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, Noto Sans, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, rgba(79,140,255,.12), transparent 60%), var(--bg);
  line-height: 1.55;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

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

.brand { display: inline-flex; gap: 10px; align-items: center; font-weight: 700; }
.actions { display: inline-flex; gap: 10px; align-items: center; }

select#lang-select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.08);
  padding: 10px 12px;
  border-radius: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text);
  text-decoration: none;
  background: var(--surface);
}
.btn.ghost { background: transparent; border-color: rgba(255,255,255,.16); }
.btn.primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); border: none; color: white; }
.btn.xl { padding: 14px 22px; font-size: 1.1rem; }
.btn:focus { outline: none; box-shadow: var(--ring); }

.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; padding: 40px 0 24px; align-items: center; }
.hero-text .lead { color: var(--muted); font-size: 1.1rem; }
.hero .cta { margin-top: 18px; display: flex; gap: 12px; flex-wrap: wrap; }
.trust { margin-top: 10px; color: var(--muted); font-size: .95rem; }
.hero-media img { width: 100%; height: auto; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,.35); }

h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.12; margin: 6px 0 12px; }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); margin: 24px 0 12px; }
h3 { font-size: 1.05rem; margin: 12px 0 6px; }

.features { padding: 24px 0 6px; }
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; padding: 0; margin: 0; }
.feature-list li { background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.08); padding: 18px; border-radius: 14px; }
.feature-list p { color: var(--muted); margin: 0; }

.kit { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; padding: 22px 0; }
.kit-media img { width: 100%; height: auto; border-radius: var(--radius); box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.kit .checklist { list-style: none; padding: 0; margin: 8px 0 0; }
.kit .checklist li { position: relative; padding-left: 28px; margin: 10px 0; }
.kit .checklist li:before { content: ""; position: absolute; left: 0; top: 8px; width: 16px; height: 16px; border-radius: 4px; background: var(--primary); box-shadow: 0 0 0 3px rgba(79,140,255,.25); }

.purchase { padding: 22px 0 44px; }
.price-card { display: grid; grid-template-columns: 1fr 1.1fr; gap: 26px; align-items: center; background: linear-gradient(180deg, rgba(79,140,255,.12), rgba(79,140,255,.04)); border: 1px solid rgba(79,140,255,.25); padding: 22px; border-radius: 18px; }
.price { font-size: 2rem; display: flex; align-items: baseline; gap: 10px; margin: 8px 0 4px; }
.price .amount { font-weight: 800; font-size: clamp(1.8rem, 5vw, 2.6rem); }
.price .vat { color: var(--muted); font-size: .95rem; }
.price-card .note { color: var(--muted); margin: 8px 0 12px; }
.purchase-img { width: 100%; height: auto; border-radius: var(--radius); box-shadow: 0 18px 50px rgba(0,0,0,.35); }

.footer { display: flex; align-items: center; justify-content: space-between; padding: 28px 0 40px; color: var(--muted); }
.footer a { color: inherit; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .price-card { grid-template-columns: 1fr; }
  .kit { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
}

/* reveal animations */
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* extra sections */
.how { padding: 26px 0; }
.how .steps { counter-reset: step; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0; margin: 12px 0 0; }
.how .steps li { background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.08); padding: 18px; border-radius: 14px; min-height: 80px; display: grid; align-content: center; }
.how .steps li::before { counter-increment: step; content: counter(step); width: 28px; height: 28px; display: inline-grid; place-items: center; background: var(--primary); color: #fff; border-radius: 8px; margin-bottom: 8px; font-weight: 700; }

.testimonials { padding: 22px 0; }
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quotes blockquote { margin: 0; padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); }
.quotes cite { color: var(--muted); font-style: normal; }

.faq { padding: 22px 0 50px; }
.faq details { border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 12px 14px; background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); margin: 10px 0; }
.faq summary { cursor: pointer; }

@media (max-width: 900px) {
  .how .steps { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
}