:root{
  --color-background:#fbfbfe;
  --color-surface:#ffffff;
  --color-text:#111827;
  --color-muted:#6b7280;
  --color-border:#e5e7eb;
  --color-accent:#7c3aed;
  --color-accent-soft:#ede9fe;
  --color-highlight:#fce7f3;
  --shadow-soft:0 10px 30px rgba(17,24,39,0.06);
  --radius-large:20px;
  --radius-medium:14px;
  --content-max-width:1100px;
  --font-sans:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:linear-gradient(180deg, var(--color-background), #ffffff 70%);
  color:var(--color-text);
  line-height:1.55;
}

a{color:inherit}
a:hover{color:var(--color-accent)}
img{max-width:100%; height:auto; display:block}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:10px;
  box-shadow:var(--shadow-soft);
  z-index:1000;
}

.page-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(251,251,254,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(229,231,235,0.7);
}

.header-inner{
  max-width:var(--content-max-width);
  margin:0 auto;
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:12px;
  background:linear-gradient(135deg, var(--color-accent), #a78bfa);
  box-shadow:0 10px 22px rgba(124,58,237,0.25);
}
.brand-text{
  display:flex;
  flex-direction:column;
}
.brand-title{
  font-weight:650;
  letter-spacing:-0.02em;
  font-size:14px;
  margin:0;
}
.brand-subtitle{
  font-size:12px;
  color:var(--color-muted);
  margin:0;
}

.navigation-toggle{
  display:none;
  border:1px solid var(--color-border);
  background:var(--color-surface);
  border-radius:12px;
  padding:10px 12px;
  font-weight:600;
  cursor:pointer;
}

.navigation{
  display:flex;
  align-items:center;
  gap:14px;
}
.navigation a{
  text-decoration:none;
  color:var(--color-muted);
  font-size:14px;
  padding:8px 10px;
  border-radius:12px;
}
.navigation a[aria-current="page"]{
  color:var(--color-text);
  background:rgba(237,233,254,0.7);
}

.primary-action{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  text-decoration:none;
  background:var(--color-accent);
  color:#ffffff;
  padding:11px 14px;
  border-radius:14px;
  font-weight:650;
  border:1px solid rgba(124,58,237,0.45);
  box-shadow:0 14px 26px rgba(124,58,237,0.22);
}
.primary-action:hover{color:#ffffff; filter:brightness(1.03)}

.secondary-action{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  text-decoration:none;
  background:var(--color-surface);
  color:var(--color-text);
  padding:11px 14px;
  border-radius:14px;
  font-weight:650;
  border:1px solid var(--color-border);
}

.main{
  max-width:var(--content-max-width);
  margin:0 auto;
  padding:24px 16px 48px;
}

.hero{
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:22px;
  align-items:stretch;
  padding:24px;
  border-radius:var(--radius-large);
  background:linear-gradient(180deg, rgba(237,233,254,0.75), rgba(255,255,255,0.92));
  border:1px solid rgba(229,231,235,0.75);
  box-shadow:var(--shadow-soft);
}

.hero h1{
  margin:0;
  font-size:34px;
  line-height:1.12;
  letter-spacing:-0.03em;
}
.hero p{
  margin:14px 0 0;
  color:var(--color-muted);
  font-size:16px;
  max-width:52ch;
}
.hero-actions{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.hero-card{
  border-radius:var(--radius-large);
  background:var(--color-surface);
  border:1px solid var(--color-border);
  box-shadow:var(--shadow-soft);
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.hero-photo{
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(229,231,235,0.9);
}
.hero-card h2{
  margin:0;
  font-size:16px;
}
.hero-card ul{
  margin:0;
  padding-left:18px;
  color:var(--color-muted);
  font-size:14px;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:999px;
  background:rgba(237,233,254,0.8);
  border:1px solid rgba(167,139,250,0.5);
  font-size:13px;
  color:#2b1b5e;
  font-weight:600;
}

.section{
  margin-top:28px;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-large);
  box-shadow:var(--shadow-soft);
  padding:22px;
}
.section h2{
  margin:0;
  font-size:20px;
  letter-spacing:-0.02em;
}
.section p{
  margin:10px 0 0;
  color:var(--color-muted);
}

.cards{
  margin-top:14px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
}
.card{
  border-radius:var(--radius-medium);
  border:1px solid rgba(229,231,235,0.9);
  background:linear-gradient(180deg, rgba(251,251,254,0.9), #ffffff);
  padding:16px;
}
.card h3{
  margin:0;
  font-size:16px;
}
.card p{
  margin:8px 0 0;
  color:var(--color-muted);
  font-size:14px;
}

.steps{
  margin-top:14px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:12px;
}
.step{
  border-radius:var(--radius-medium);
  border:1px solid rgba(229,231,235,0.9);
  background:rgba(237,233,254,0.35);
  padding:14px;
}
.step strong{display:block; margin-bottom:6px}
.step span{color:var(--color-muted); font-size:14px}

.price-grid{
  margin-top:14px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
}
.price-card{
  border-radius:var(--radius-medium);
  border:1px solid rgba(229,231,235,0.9);
  background:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(237,233,254,0.25));
  padding:16px;
}
.price-card h3{margin:0; font-size:16px}
.price-amount{
  margin:10px 0 0;
  font-size:26px;
  font-weight:750;
  letter-spacing:-0.03em;
}
.price-note{
  margin:8px 0 0;
  color:var(--color-muted);
  font-size:14px;
}
.price-list{
  margin:12px 0 0;
  padding-left:18px;
  color:var(--color-muted);
  font-size:14px;
}

.faq{
  margin-top:14px;
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
details{
  border-radius:var(--radius-medium);
  border:1px solid rgba(229,231,235,0.9);
  background:#ffffff;
  padding:12px 14px;
}
summary{
  cursor:pointer;
  font-weight:650;
  list-style:none;
}
summary::-webkit-details-marker{display:none}
details p{
  margin:10px 0 0;
  color:var(--color-muted);
  font-size:14px;
}
details ul{
  margin:10px 0 0;
  padding-left:18px;
  color:var(--color-muted);
  font-size:14px;
}

.page-footer{
  border-top:1px solid var(--color-border);
  background:#ffffff;
}
.footer-inner{
  max-width:var(--content-max-width);
  margin:0 auto;
  padding:20px 16px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  color:var(--color-muted);
  font-size:14px;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.footer-links a{
  color:var(--color-muted);
  text-decoration:none;
}
.footer-links a:hover{color:var(--color-accent)}

.content-article{
  max-width:78ch;
}
.content-article h1{
  margin:0 0 12px;
  font-size:30px;
  letter-spacing:-0.03em;
  line-height:1.15;
}
.content-article h2{
  margin:22px 0 8px;
  font-size:18px;
}
.content-article p{
  margin:10px 0 0;
  color:var(--color-muted);
}
.content-article ul, .content-article ol{
  margin:10px 0 0;
  padding-left:18px;
  color:var(--color-muted);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color:var(--color-muted);
  font-size:14px;
}

@media (max-width: 920px){
  .hero{grid-template-columns:1fr; padding:18px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .price-grid{grid-template-columns:1fr}
  .navigation-toggle{display:inline-flex}
  .navigation{
    display:none;
    position:absolute;
    right:16px;
    top:62px;
    flex-direction:column;
    width:min(320px, calc(100vw - 32px));
    background:var(--color-surface);
    border:1px solid var(--color-border);
    border-radius:16px;
    padding:10px;
    box-shadow:var(--shadow-soft);
  }
  .navigation[data-open="true"]{display:flex}
  .navigation a{width:100%}
}

@media (max-width: 520px){
  .hero h1{font-size:28px}
  .section{padding:18px}
  .steps{grid-template-columns:1fr}
}

.contact-dialog{
  border:none;
  padding:0;
  width:min(560px, calc(100vw - 32px));
  border-radius:18px;
  box-shadow:var(--shadow-soft);
}

.contact-dialog::backdrop{
  background:rgba(17,24,39,0.45);
}

.contact-dialog-content{
  margin:0;
  padding:18px;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:18px;
}

.contact-dialog-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.contact-dialog-title{
  margin:0;
  font-size:18px;
  letter-spacing:-0.02em;
}

.contact-dialog-close{
  border:1px solid var(--color-border);
  background:var(--color-surface);
  border-radius:12px;
  width:40px;
  height:40px;
  cursor:pointer;
  font-size:16px;
}

.contact-dialog-text{
  margin:10px 0 0;
  color:var(--color-muted);
}

.contact-dialog-actions{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.contact-dialog-footer{
  margin-top:14px;
  color:var(--color-muted);
  font-size:14px;
}


.related-articles{
  margin-top: 26px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.related-articles ul{
  margin: 10px 0 0;
  padding-left: 18px;
}