:root {
  --bg: #fafaf9;
  --surface: #fff;
  --border: #e8e6e1;
  --text: #1a1917;
  --muted: #6b6860;
  --accent: oklch(52% 0.18 248);
  --accent-lt: oklch(96% 0.04 248);
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'DM Mono', monospace;
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

nav {
  height: 72px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.04em;
  white-space: nowrap;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.nav-logo-icon img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.locale-select {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.locale-select select {
  appearance: none;
  min-width: 104px;
  border: 2px solid var(--accent);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 36px 12px 14px;
  font: 700 15px var(--mono);
}

.locale-select::after {
  content: "⌄";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-58%);
  pointer-events: none;
  color: var(--text);
  font-size: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 12px 20px;
  font-weight: 800;
  border: 1px solid var(--border);
  background: #fff;
  line-height: 1.1;
}

.btn-primary {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 68px 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 58px;
  align-items: start;
}

.eyebrow {
  display: inline-flex;
  color: var(--accent);
  background: var(--accent-lt);
  border: 1px solid oklch(52% 0.18 248 / .18);
  border-radius: 999px;
  padding: 7px 13px;
  font: 600 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}

h1 {
  max-width: 860px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: .94;
  letter-spacing: -.065em;
  margin: 22px 0 20px;
}

.lead {
  max-width: 760px;
  font-size: 21px;
  line-height: 1.65;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.card,
.summary,
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
}

.summary {
  position: sticky;
  top: 96px;
}

.summary-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 12px;
}

.summary ul,
.summary ol {
  padding-left: 20px;
  color: var(--muted);
  font-size: 16px;
}

article {
  max-width: 820px;
  margin-top: 56px;
}

h2 {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: -.045em;
  margin: 48px 0 14px;
}

h3 {
  font-size: 22px;
  margin: 26px 0 8px;
}

p,
li {
  color: var(--muted);
  font-size: 18px;
}

ul,
ol {
  padding-left: 26px;
  margin: 14px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.effect strong,
.step strong {
  color: var(--text);
  display: block;
  margin-bottom: 5px;
}

.step { margin: 12px 0; }

.note {
  border-left: 4px solid var(--accent);
  background: var(--accent-lt);
  padding: 18px 20px;
  border-radius: 8px;
  margin: 28px 0;
  color: var(--text);
}

.faq {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 8px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 22px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

html[dir="rtl"] body {
  direction: rtl;
}

html[dir="rtl"] .nav-links,
html[dir="rtl"] .nav-cta,
html[dir="rtl"] .nav-logo {
  direction: rtl;
}

@media (max-width: 960px) {
  .nav-links { display: none; }
  .hero,
  .grid { grid-template-columns: 1fr; }
  .summary { position: static; }
}

@media (max-width: 640px) {
  nav { height: auto; }
  .nav-inner {
    min-height: 72px;
    padding: 12px 16px;
    gap: 12px;
  }
  .nav-logo { font-size: 18px; }
  .nav-logo-icon { width: 32px; height: 32px; }
  .nav-logo-icon img { width: 30px; height: 30px; }
  .nav-cta { gap: 8px; }
  .locale-select select {
    min-width: 86px;
    padding: 10px 30px 10px 10px;
    font-size: 13px;
  }
  .btn { padding: 11px 14px; }
  .wrap { padding: 42px 18px; }
  h1 { font-size: 44px; }
  .lead,
  p,
  li { font-size: 17px; }
}