:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #5f6c7b;
  --brand: #0f766e;
  --brand-dark: #0b4f4a;
  --accent: #f59e0b;
  --border: #dbe3ea;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, #dff3ef 0%, transparent 40%),
    radial-gradient(circle at 100% 0%, #fff2d6 0%, transparent 30%),
    var(--bg);
  line-height: 1.6;
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.menu {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.menu a {
  padding: 8px 12px;
  border-radius: 10px;
}

.menu a:hover {
  background: #e9f5f3;
  text-decoration: none;
}

.lang-switch {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  background: #ecf7f5;
  border: 1px solid #caece6;
  border-radius: 999px;
}

.lang-link {
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}

.lang-link.is-active {
  background: var(--brand);
  color: #fff;
}

.lang-link:hover {
  text-decoration: none;
}

.hero {
  padding: 56px 0 34px;
}

.hero-wrap {
  display: grid;
  gap: 22px;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
}

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  background: #ecf7f5;
  border-radius: 12px;
  padding: 14px;
  border: 1px solid #caece6;
}

.stat strong {
  display: block;
  font-size: 1.2rem;
}

.btn {
  display: inline-block;
  padding: 11px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn-primary {
  background: var(--brand);
  color: white;
}

.btn-secondary {
  border-color: var(--border);
  background: white;
  margin-left: 8px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.section {
  padding: 26px 0;
}

.article-list article h3 {
  font-size: 1.14rem;
}

.badge {
  display: inline-block;
  background: #e9f5f3;
  color: #0b4f4a;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.tool {
  display: grid;
  gap: 12px;
}

label {
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

.search-panel {
  display: grid;
  gap: 14px;
}

.search-form {
  max-width: 540px;
}

.search-suggestions,
.search-results {
  display: grid;
  gap: 10px;
}

.search-suggestions {
  max-width: 720px;
}

.search-results {
  margin-top: 4px;
}

.search-suggestion,
.search-result-item {
  display: block;
  padding: 14px 16px;
  background: #f8fbfb;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.search-suggestion:hover,
.search-result-item:hover {
  text-decoration: none;
  border-color: #b8d7d3;
  background: #f1f8f7;
}

.search-meta {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 4px;
}

.search-result-title {
  font-weight: 800;
}

.search-result-description {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

.search-card.is-hidden {
  display: none;
}

.search-empty {
  margin-top: 16px;
}

.faq-list {
  display: grid;
  gap: 18px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

small, .muted {
  color: var(--muted);
}

footer {
  margin-top: 30px;
  border-top: 1px solid var(--border);
  padding: 26px 0 34px;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-page {
  padding: 30px 0;
}

.article-page h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

.article-page p,
.article-page li {
  max-width: 800px;
}

.cta {
  background: linear-gradient(120deg, #0f766e, #115e59);
  color: white;
  border: none;
}

.cta a {
  color: white;
}

@media (max-width: 980px) {
  .nav {
    align-items: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 860px) {
  .hero-wrap,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .btn-secondary {
    margin-left: 0;
    margin-top: 8px;
  }
}