:root {
  --navy: #0d2740;
  --navy-2: #173a5d;
  --blue: #2f80c9;
  --blue-light: #eaf4ff;
  --ink: #17212b;
  --muted: #5d6b78;
  --line: #dce4eb;
  --surface: #ffffff;
  --surface-2: #f5f8fb;
  --warning: #8a5a00;
  --shadow: 0 18px 45px rgba(17, 42, 67, .10);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 1000;
  padding: 10px 14px;
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 39, 64, .96);
  color: #fff;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.header-inner { min-height: 70px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 800; letter-spacing: .09em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 10px;
  background: linear-gradient(135deg, #3b91dc, #1d5e96);
  font-size: 13px;
  letter-spacing: .04em;
}
.main-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.main-nav a, .language-switch a { text-decoration: none; color: rgba(255,255,255,.82); font-size: 14px; font-weight: 600; }
.main-nav a:hover, .language-switch a:hover, .language-switch a.active { color: #fff; }
.language-switch { display: flex; align-items: center; gap: 7px; color: rgba(255,255,255,.38); }

.hero {
  color: #fff;
  background:
    radial-gradient(circle at 86% 16%, rgba(68, 151, 221, .28), transparent 34%),
    linear-gradient(145deg, #0d2740, #173a5d 72%, #1c4c76);
}
.hero-inner { padding: 82px 0 88px; max-width: 860px; }
.eyebrow, .section-kicker { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { color: #83c6ff; margin-bottom: 18px; }
.hero h1 { margin: 0; max-width: 800px; font-size: clamp(38px, 6vw, 64px); line-height: 1.04; letter-spacing: -.045em; }
.hero p { max-width: 760px; margin: 24px 0 30px; font-size: clamp(18px, 2.2vw, 22px); color: rgba(255,255,255,.78); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 10px;
  text-decoration: none;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: #fff; color: var(--navy); box-shadow: 0 10px 24px rgba(0,0,0,.16); }
.button-primary:hover { box-shadow: 0 14px 28px rgba(0,0,0,.20); }
.button-download { background: var(--blue); color: #fff; }
.button-download:hover { background: #276fae; }
.button-secondary { background: #fff; color: var(--navy); border-color: var(--line); }
.button-secondary:hover { background: var(--surface-2); }
.button-small { min-height: 38px; padding: 8px 12px; font-size: 14px; }

.tools-section { padding: 78px 0 88px; background: var(--surface-2); }
.section-heading { display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, 1.1fr); gap: 54px; align-items: end; margin-bottom: 34px; }
.section-kicker { color: var(--blue); margin-bottom: 8px; }
.section-heading h2, .about-section h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); line-height: 1.12; letter-spacing: -.035em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 17px; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.tool-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(18, 45, 70, .06);
}
.tool-card:hover { border-color: #bfd5e8; box-shadow: var(--shadow); }
.tool-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.tool-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(145deg, var(--navy-2), var(--blue));
  font-size: 15px;
  font-weight: 850;
  letter-spacing: .06em;
}
.version-badge { padding: 5px 9px; border-radius: 999px; background: var(--blue-light); color: #245f91; font-size: 12px; font-weight: 800; }
.badges { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 13px; }
.badge { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 12px; font-weight: 700; }
.tool-card h3 { margin: 0 0 11px; font-size: 26px; line-height: 1.18; letter-spacing: -.025em; }
.tool-card > p { margin: 0 0 18px; color: var(--muted); }
.feature-list { margin: 0 0 26px; padding: 0; list-style: none; display: grid; gap: 9px; }
.feature-list li { position: relative; padding-left: 22px; color: #354554; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--blue); font-weight: 900; }
.tool-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: auto; }
.tool-meta { margin-top: 16px; color: var(--muted); font-size: 12px; }

.about-section { padding: 78px 0; }
.about-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr); gap: 70px; align-items: start; }
.about-grid p { margin: 0 0 14px; font-size: 17px; }
.muted { color: var(--muted); }
.notice { padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }

.site-footer { background: var(--navy); color: rgba(255,255,255,.72); }
.footer-inner { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-inner > div:first-child { display: flex; flex-direction: column; gap: 3px; }
.footer-inner strong { color: #fff; letter-spacing: .10em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: #fff; }

.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  width: min(760px, calc(100% - 40px));
  margin-inline: auto;
  padding: 17px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 24px 65px rgba(13, 39, 64, .22);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }

.legal-page { min-height: calc(100vh - 166px); padding: 68px 0 84px; background: var(--surface-2); }
.legal-card { max-width: 860px; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.legal-card h1 { margin-top: 0; font-size: clamp(34px, 5vw, 50px); line-height: 1.1; }
.legal-card h2 { margin-top: 30px; font-size: 22px; }
.legal-card p, .legal-card li { color: #3d4c59; }

@media (max-width: 820px) {
  .header-inner { gap: 14px; }
  .main-nav { display: none; }
  .language-switch { margin-left: auto; }
  .hero-inner { padding: 62px 0 68px; }
  .section-heading, .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .tool-grid { grid-template-columns: 1fr; }
  .tools-section, .about-section { padding: 58px 0 64px; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1120px); }
  .brand-text { font-size: 14px; }
  .hero h1 { font-size: 39px; }
  .tool-card { padding: 22px; }
  .tool-actions { flex-direction: column; }
  .tool-actions .button { width: 100%; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding: 25px 0; }
  .cookie-banner { align-items: stretch; flex-direction: column; }
  .cookie-banner .button { width: 100%; }
  .legal-card { padding: 24px; }
}

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