:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fb;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-muted: #5b6475;
  --color-border: #e3e7ef;
  --color-primary: #1d3fd1;
  --color-primary-hover: #1632a8;
  --color-primary-soft: #e9eefd;
  --color-accent: #f2b705;
  --color-de-black: #111111;
  --color-de-red: #dd0000;
  --color-de-gold: #ffcc00;
  --color-success: #0f7b3f;
  --color-error: #b42318;

  --radius: 14px;
  --radius-small: 8px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
  --container: 1120px;
  --gutter: 20px;
  --header-height: 68px;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--color-primary); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: 760px; }
.muted { color: var(--color-muted); }
.small { font-size: .875rem; }

.skip-link {
  position: absolute; left: -999px; top: 8px;
  background: var(--color-text); color: #fff; padding: 8px 12px; border-radius: var(--radius-small); z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 22px;
  font: inherit; font-weight: 600; font-size: 1rem;
  color: #fff; background: var(--color-primary);
  border: 2px solid var(--color-primary); border-radius: 999px;
  text-decoration: none; cursor: pointer;
  transition: background-color .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--color-accent); outline-offset: 2px;
}
.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-primary-soft); color: var(--color-primary-hover); }
.btn-small { padding: 8px 16px; font-size: .9rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--color-text); text-decoration: none; }
.logo-tld { color: var(--color-muted); font-weight: 600; }
.logo-mark {
  width: 26px; height: 18px; border-radius: 4px;
  background: linear-gradient(var(--color-de-black) 0 33.33%, var(--color-de-red) 33.33% 66.66%, var(--color-de-gold) 66.66% 100%);
}
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav a:not(.btn) { color: var(--color-text); text-decoration: none; font-weight: 500; font-size: .95rem; }
.site-nav a:not(.btn):hover { color: var(--color-primary); }

.nav-toggle {
  display: none; width: 44px; height: 44px; padding: 10px;
  background: none; border: 0; cursor: pointer;
  flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; height: 2px; background: var(--color-text); border-radius: 2px; }

/* Hero */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(1000px 400px at 85% -10%, var(--color-primary-soft), transparent 70%),
    var(--color-bg);
  text-align: center;
}
.hero-inner { max-width: 880px; }
.eyebrow { display: inline-block; margin-bottom: 18px; padding: 6px 14px; border-radius: 999px; background: var(--color-primary-soft); color: var(--color-primary); font-weight: 600; font-size: .875rem; }
.highlight { color: var(--color-primary); }
.lead { font-size: 1.2rem; color: var(--color-muted); max-width: 680px; margin: 0 auto 32px; }

.names { list-style: none; padding: 0; margin: 0 auto 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.names li {
  display: flex; flex-direction: column; align-items: center;
  min-width: 170px; padding: 12px 20px;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.names-lang { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); font-weight: 600; }
.names strong { font-size: 1.1rem; }

.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-lead { font-size: 1.1rem; color: var(--color-muted); max-width: 760px; margin-bottom: 40px; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.feature p { color: var(--color-muted); margin: 0; }

.callout {
  margin-top: 32px; padding: 28px;
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: var(--radius-small);
}
.callout p:last-child { margin-bottom: 0; }

.checklist { list-style: none; padding: 0; margin: 0 0 1em; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .3em;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-primary-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231d3fd1'%3E%3Cpath d='M8.1 13.6 4.5 10l1.4-1.4 2.2 2.2 6-6 1.4 1.4z'/%3E%3C/svg%3E") center / 14px no-repeat;
}

/* Steps */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { counter-increment: step; position: relative; padding-top: 56px; }
.steps li::before {
  content: counter(step);
  position: absolute; top: 0; left: 0;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-primary); color: #fff; font-weight: 700;
}
.steps p { color: var(--color-muted); margin: 0; }
.steps-3 { grid-template-columns: repeat(3, 1fr); }

/* Key facts */
.facts { padding: 0 0 8px; }
.facts-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin: 0; overflow: hidden;
  background: var(--color-border);
  border: 1px solid var(--color-border); border-radius: var(--radius);
}
.facts-grid div { background: var(--color-surface); padding: 20px; text-align: center; }
.facts-grid dt { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); }
.facts-grid dd { margin: 4px 0 0; color: var(--color-muted); font-size: .9rem; }

.mt { margin-top: 20px; }

/* Paths */
.path-tag { display: inline-block; margin-bottom: 12px; padding: 4px 12px; border-radius: 999px; background: var(--color-primary-soft); color: var(--color-primary); font-weight: 700; font-size: .8rem; }
.path h3 { font-size: 1.35rem; }
.path .checklist { margin-bottom: 0; }

/* Points table */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
.points-table { width: 100%; border-collapse: collapse; }
.points-table th, .points-table td { padding: 12px 18px; text-align: left; border-bottom: 1px solid var(--color-border); }
.points-table th { background: var(--color-bg-alt); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-muted); }
.points-table td:last-child, .points-table th:last-child { text-align: center; width: 90px; font-weight: 700; }
.points-table td:last-child { color: var(--color-primary); }
.points-table tbody tr:last-child td { border-bottom: 0; }

/* Calculator */
.calculator { margin-top: 32px; }
.form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field label, .field legend { font-weight: 600; font-size: .95rem; padding: 0; }
.field legend { margin-bottom: 8px; }
.field select {
  font: inherit; padding: 10px 12px;
  border: 1px solid var(--color-border); border-radius: var(--radius-small);
  background: var(--color-surface); color: var(--color-text);
}
.calc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.checkbox { display: flex; align-items: flex-start; gap: 10px; font-weight: 400 !important; cursor: pointer; }
.checkbox input { margin-top: .35em; accent-color: var(--color-primary); flex-shrink: 0; }
.calc-result { padding: 20px; border-radius: var(--radius-small); background: var(--color-bg-alt); }
.calc-score { font-size: 1.6rem; font-weight: 800; margin-bottom: 10px; }
.meter { height: 10px; border-radius: 999px; background: var(--color-border); overflow: hidden; margin-bottom: 12px; }
.meter span { display: block; height: 100%; width: 0; background: var(--color-primary); transition: width .2s; }
.calc-result.is-ok .meter span { background: var(--color-success); }
.calc-result.is-ok .calc-message { color: var(--color-success); }
.calc-result.is-blocked .calc-message { color: var(--color-error); }
.calc-message { margin: 0; font-weight: 500; }

/* Numbered list */
.numbered { padding-left: 1.3em; margin: 0 0 1em; }
.numbered li { margin-bottom: 8px; }

/* Roadmap */
.roadmap { list-style: none; counter-reset: road; padding: 0; margin: 0; position: relative; }
.roadmap::before { content: ""; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: var(--color-border); }
.roadmap li { counter-increment: road; position: relative; padding: 0 0 28px 64px; }
.roadmap li:last-child { padding-bottom: 0; }
.roadmap li::before {
  content: counter(road);
  position: absolute; left: 0; top: 0;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-primary); color: #fff; font-weight: 700;
  box-shadow: 0 0 0 6px var(--color-bg-alt);
}
.roadmap-phase { display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--color-primary); margin-bottom: 2px; }
.roadmap p { color: var(--color-muted); margin: 0; }

/* Official resources */
.resource-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
.resource-group h3 { margin-bottom: 12px; }
.resources { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.resources a {
  display: grid; gap: 2px; padding: 14px 16px 14px 18px;
  border: 1px solid var(--color-border); border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-small); background: var(--color-surface);
  text-decoration: none; color: var(--color-text);
  transition: border-color .15s, box-shadow .15s;
}
.resources a:hover { border-color: var(--color-primary); border-left-color: var(--color-primary); box-shadow: var(--shadow); }
.resources strong { color: var(--color-primary); }
.resources strong::after { content: " ↗"; font-weight: 400; }
.resources span { color: var(--color-muted); font-size: .9rem; }
.resources .url { font-size: .8rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* FAQ */
.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  margin-bottom: 12px;
}
.faq summary {
  cursor: pointer; list-style: none;
  padding: 18px 48px 18px 20px; position: relative;
  font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--color-primary); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 20px 18px; margin: 0; color: var(--color-muted); }
.faq details p a { color: var(--color-primary); }

/* Footer */
.site-footer { padding: 40px 0; border-top: 1px solid var(--color-border); background: var(--color-bg-alt); }
.footer-inner p { margin-bottom: .5em; }

/* Responsive */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: var(--header-height); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--gutter) 16px;
    background: var(--color-bg); border-bottom: 1px solid var(--color-border);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .site-nav .btn { margin-top: 12px; }
}

@media (max-width: 960px) {
  .grid-3, .steps-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
  .resource-groups { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  :root { --gutter: 16px; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 48px; }
  .grid-2, .steps, .calc-grid { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .points-table th, .points-table td { padding: 10px 12px; }
  .points-table td:last-child, .points-table th:last-child { width: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}