:root {
  --bg: #050914;
  --bg-soft: #081327;
  --panel: rgba(10, 18, 34, 0.84);
  --panel-strong: rgba(14, 25, 46, 0.92);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f7fb;
  --muted: #aeb8cb;
  --blue: #58a6ff;
  --blue-2: #2f7ae5;
  --shadow: 0 20px 50px rgba(0,0,0,0.28);
  --radius: 28px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 78, 216, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.10), transparent 24%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 14px 18px;
  background: rgba(9, 16, 30, 0.72);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(88,166,255,0.35), rgba(88,166,255,0.08));
  color: #9ec8ff; text-transform: uppercase;
}
.header-controls { display: flex; align-items: center; gap: 14px; }
.nav-pill, .lang-switch {
  display: flex; align-items: center; gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.nav-pill a, .lang-btn, .menu-toggle {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.25s ease;
}
.nav-pill a:hover, .lang-btn:hover, .lang-btn.active {
  color: var(--text);
  background: rgba(255,255,255,0.07);
}
.menu-toggle { display: none; }
main { padding: 28px 0 96px; }
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(330px, 0.8fr);
  gap: 28px;
  align-items: stretch;
}
.section-block { padding-top: 96px; }
.card {
  background: linear-gradient(180deg, rgba(15, 24, 46, 0.94), rgba(8, 15, 30, 0.94));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: 42px; }
.eyebrow {
  display: inline-flex; align-items: center;
  padding: 10px 16px; border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--muted); font-weight: 600; margin-bottom: 22px;
}
h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(3.6rem, 8vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}
.hero-text {
  margin: 26px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.06rem, 2vw, 1.35rem);
  line-height: 1.65;
}
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 54px; padding: 0 22px;
  border-radius: 999px; font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 12px 34px rgba(47, 122, 229, 0.35);
}
.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.full-width { width: 100%; }
.stack-card { padding: 24px; display: flex; flex-direction: column; gap: 18px; }
.mini-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px;
}
.mini-card, .price-box, .contact-card, .contact-form, .service-card, .pricing-card, .why-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.mini-label {
  display: block; margin-bottom: 8px; color: var(--muted); font-size: 0.92rem;
}
.mini-card strong { font-size: 1.18rem; }
.price-box p { color: var(--muted); line-height: 1.6; margin: 0 0 18px; }
.price-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.price-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.price-list li:last-child { border-bottom: none; }
.price-list.large li { padding: 18px 0; font-size: 1.08rem; }
.section-heading {
  display: flex; align-items: end; justify-content: space-between; gap: 18px;
  margin-bottom: 26px;
}
.section-heading h2 {
  margin: 0; font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.04em;
}
.section-heading p { margin: 0; color: var(--muted); max-width: 520px; }
.services-grid, .why-grid, .contact-grid {
  display: grid; gap: 18px;
}
.services-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.service-card h3 { margin: 0 0 10px; font-size: 1.28rem; }
.service-card p { margin: 0; color: var(--muted); line-height: 1.6; min-height: 76px; }
.price-tag {
  display: inline-flex; margin-top: 22px; padding: 10px 14px;
  border-radius: 999px; background: rgba(255,255,255,0.05); font-weight: 700;
}
.why-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.why-card { min-height: 110px; display: flex; align-items: center; font-size: 1.16rem; }
.contact-grid { grid-template-columns: 0.8fr 1.2fr; }
.contact-card { display: flex; flex-direction: column; gap: 14px; }
.contact-row {
  display: flex; justify-content: space-between; gap: 18px; align-items: center;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.contact-row:last-child { border-bottom: none; }
.contact-row span { color: var(--muted); }
.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 8px; }
.contact-form span { color: var(--muted); font-size: 0.95rem; }
.contact-form input, .contact-form textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 16px 18px;
  outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: rgba(88,166,255,0.55);
  box-shadow: 0 0 0 3px rgba(88,166,255,0.15);
}
.footer { padding: 34px 0 26px; color: var(--muted); text-align: center; }
.notice {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  padding: 14px 18px; border-radius: 18px;
  background: rgba(10, 18, 34, 0.94);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow); opacity: 0; transform: translateY(10px);
  transition: 0.25s ease;
}
.notice.visible { opacity: 1; transform: translateY(0); }
.notice.success { color: #d5ffe3; }
.notice.error { color: #ffd0d0; }

@media (max-width: 1100px) {
  .section-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .wrap { width: min(100% - 24px, 1180px); }
  .site-header {
    border-radius: 28px;
    align-items: stretch;
    flex-wrap: wrap;
    padding: 12px;
  }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-controls {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding-top: 6px;
  }
  .header-controls.open { display: flex; }
  .nav-pill, .lang-switch {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .nav-pill a, .lang-btn { flex: 1 1 auto; text-align: center; }
  main { padding-top: 20px; }
  .hero-card, .stack-card { padding: 24px; }
  h1 { max-width: none; font-size: clamp(2.7rem, 16vw, 4.2rem); }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .mini-grid, .services-grid, .why-grid { grid-template-columns: 1fr; }
  .section-block { padding-top: 72px; }
  .section-heading { display: grid; gap: 10px; }
  .contact-row { flex-direction: column; align-items: flex-start; }
  .price-list li { flex-direction: column; align-items: flex-start; }
}