:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --border: #e2e8f0;
  --radius: 14px;
  --container: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, #dff6f3 0, transparent 35%),
    radial-gradient(circle at 90% 20%, #e2e8ff 0, transparent 30%),
    var(--bg);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

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

a:hover,
a:focus {
  color: var(--accent-strong);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.site-title {
  margin: 0;
  font-size: 1.25rem;
}

.site-description {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.main-navigation ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero__inner {
  background: linear-gradient(145deg, #0f766e, #155e75);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
  opacity: 0.85;
}

.button {
  display: inline-block;
  margin-top: 0.8rem;
  background: #ffffff;
  color: #0f172a;
  font-weight: 600;
  padding: 0.65rem 1rem;
  border-radius: 10px;
}

.site-main {
  padding: 2rem 0;
}

.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin-bottom: 1.2rem;
}

.entry-meta {
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.entry-thumbnail img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.widget-area {
  padding-bottom: 2rem;
}

.widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.site-footer__inner {
  padding: 1.2rem 0;
  color: var(--muted);
}

.footer-navigation ul {
  margin: 0 0 0.8rem;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.search-form {
  display: flex;
  gap: 0.5rem;
}

.search-field {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.search-submit {
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
}

.screen-reader-text:focus {
  clip: auto;
  clip-path: none;
  height: auto;
  width: auto;
  margin: 0;
  overflow: visible;
  position: static;
}

@media (max-width: 900px) {
  .main-navigation ul {
    display: none;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.8rem;
  }

  .main-navigation.is-open ul {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
  }
}