/*
Theme Name: Fermi Theme
Theme URI: https://fermi.wang
Author: Fermi Wang
Description: Custom theme for fermi.wang focused on mediation, negotiation, and ESG cooperation.
Version: 0.2
Text Domain: fermi-theme
*/

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Source+Sans+3:wght@400;500;600&display=swap');

:root {
  --bg: #060b12;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --text: #e8edf5;
  --muted: #a8b4c8;
  --accent: #3be4c6;
  --accent-2: #4bb3ff;
  --accent-soft: rgba(75, 179, 255, 0.15);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  --font-head: "Space Grotesk", "Helvetica Neue", sans-serif;
  --font-body: "Source Sans 3", "Helvetica Neue", sans-serif;
  --content-width: 1080px;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, rgba(75, 179, 255, 0.12), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(59, 228, 198, 0.14), transparent 30%),
    radial-gradient(circle at 90% 60%, rgba(75, 179, 255, 0.12), transparent 25%),
    var(--bg);
  line-height: 1.6;
}

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

a:hover {
  color: var(--accent-2);
}

img {
  max-width: 100%;
  height: auto;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, rgba(6, 11, 18, 0.95) 0%, rgba(6, 11, 18, 0.75) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(59, 228, 198, 0.12);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.primary-nav a {
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.primary-nav a:hover,
.primary-nav .current-menu-item a {
  color: var(--text);
  border-color: var(--border);
  background: var(--panel);
}

.cta-pill {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a !important;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cta-pill::after {
  content: "↗";
  font-size: 13px;
}

.hero {
  max-width: var(--content-width);
  margin: 72px auto 40px;
  padding: 0 24px;
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.15;
  margin: 0 0 10px;
}

.hero .subtitle {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 18px;
}

.hero .hero-card {
  background: linear-gradient(145deg, var(--panel), var(--panel-strong));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.hero .signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  font-family: var(--font-head);
}

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

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 13px;
}

section {
  max-width: var(--content-width);
  margin: 36px auto;
  padding: 0 24px;
}

section header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 24px;
  letter-spacing: 0.5px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
}

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

.list-item {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.list-item strong {
  font-family: var(--font-head);
}

.cta-block {
  margin: 48px auto 60px;
  max-width: var(--content-width);
  padding: 28px 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(59, 228, 198, 0.12), rgba(75, 179, 255, 0.12));
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-block h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
}

.cta-block p {
  margin: 0 0 14px;
  color: var(--muted);
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: rgba(6, 11, 18, 0.85);
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.post-article {
  max-width: var(--content-width);
  margin: 40px auto;
  padding: 0 24px 50px;
}

.post-article h1 {
  font-family: var(--font-head);
  margin-bottom: 12px;
}

.post-meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.post-article .card {
  padding: 24px;
}

pre,
code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  color: var(--muted);
}

.no-content {
  color: var(--muted);
  padding: 12px;
}

@media (max-width: 680px) {
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .primary-nav {
    flex-wrap: wrap;
  }

  section header {
    flex-direction: column;
    align-items: flex-start;
  }
}