@import url("https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Cormorant:ital,wght@0,400;0,500;0,600&family=Cormorant+SC:wght@400;500;600&display=swap");

:root {
  --bg: #4f5254;
  --surface: #62686c;
  --text: #e6e6e6;
  --muted: #aaaaaa;
  --line: #2a2a2a;
  --page-padding: clamp(10px, 2vw, 20px);
  --edge-margin: clamp(10px, 4vw, 60px);
  --logo-inset: calc(var(--page-padding) + var(--edge-margin));
  --header-pad-y: clamp(16px, 2.2vw, 26px);
  /* Left edge of “YIGONG” in header: .header-inner pad + .logo margin */
  --logo-text-start: calc(var(--page-padding) + clamp(10px, 4vw, 60px));
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--bg);
  border-bottom: 0;
  z-index: 10;
}

.header-inner {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--header-pad-y) var(--page-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: "Cormorant SC", serif;
  font-weight: 500;
  font-size: clamp(1.4rem, 3.2vw, 2.3rem);
  letter-spacing: 0.08em;
  margin-left: clamp(10px, 4vw, 60px);
  color: #e6e6e6;
}

a.logo {
  text-decoration: none;
  color: #e6e6e6;
}

nav {
  margin-right: var(--edge-margin);
}

nav a {
  font-family: "Cormorant", serif;
  color: var(--muted);
  text-decoration: none;
  margin-left: clamp(12px, 2vw, 30px);
  font-size: clamp(0.75rem, 1vw, 0.95rem);
}

nav a:hover {
  color: var(--text);
}

.dropdown {
  position: relative;
  display: inline-block;
  margin-left: clamp(12px, 2vw, 30px);
}

.dropdown > a {
  margin-left: 0;
}

.dropdown > .dropdown-trigger {
  margin-left: 0;
  font-family: "Cormorant", serif;
  color: var(--muted);
  font-size: clamp(0.75rem, 1vw, 0.95rem);
  letter-spacing: 0.06em;
  cursor: default;
  user-select: none;
}

.dropdown:hover > .dropdown-trigger {
  color: var(--text);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  padding-top: 14px;
  padding-bottom: 10px;
  background: transparent;
  z-index: 20;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  z-index: -1;
}

.dropdown-menu a {
  display: block;
  margin-left: 0;
  padding: 8px 12px;
  font-size: clamp(0.65rem, 0.9vw, 0.85rem);
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
}

.dropdown-menu a:hover {
  color: var(--text);
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown.is-open .dropdown-menu {
  display: block;
}

.site-footer {
  font-family: "Satoshi", system-ui, sans-serif;
  background: #4f5254;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 32px calc(var(--page-padding) + var(--edge-margin)) 32px
    var(--logo-inset);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-socials {
  display: flex;
  gap: 18px;
  align-items: center;
}

.footer-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #aaaaaa;
  text-decoration: none;
}

.footer-copyright {
  font-size: 0.78rem;
  color: #aaaaaa;
  margin-top: 4px;
}

@media (max-width: 900px) {
  .site-footer {
    padding: var(--header-pad-y)
      calc(var(--page-padding) + var(--edge-margin)) var(--header-pad-y)
      var(--logo-inset);
    min-height: calc(
      2 * var(--header-pad-y) + 1.25 * clamp(1.4rem, 3.2vw, 2.3rem)
    );
  }

  .footer-copyright {
    margin-top: 0;
  }

  .footer-icon-link {
    width: 30px;
    height: 30px;
  }

  .footer-icon-link svg {
    transform: scale(0.92);
    transform-origin: center;
  }
}