/* Researcher-style theme (white, minimal) */

:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #5b6673;
  --border: #e6e8eb;
  --accent: #b06b6b;
  --max-width: 980px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.site-header__brandLink {
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-header__brandLink:hover {
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav__link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.site-nav__link:hover {
  color: var(--accent);
}

/* Main */
.site-main {
  padding: 44px 0 56px;
}

.page-section {
  padding-top: 28px;
  margin-top: 28px;
  border-top: 1px solid var(--border);
}

.page-section:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.page-title {
  margin: 0 0 8px 0;
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.page-subtitle {
  margin: 0 0 22px 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

h2.major {
  margin: 26px 0 12px 0;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
}

p {
  margin: 0 0 14px 0;
}

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

a:hover {
  text-decoration: underline;
}

/* Lists */
ul,
ol {
  margin: 0 0 14px 0;
  padding-left: 22px;
}

li {
  margin: 0 0 10px 0;
}

/* Contact icons */
.icons {
  display: flex;
  gap: 12px;
  list-style: none;
  padding-left: 0;
  margin-top: 10px;
}

.icons a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
}

.icons a:hover {
  border-color: rgba(176, 107, 107, 0.35);
  color: var(--accent);
  text-decoration: none;
}

.icons svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: currentColor;
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
}

.site-footer .container {
  padding-top: 20px;
  padding-bottom: 26px;
}

.copyright {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 640px) {
  .container {
    padding: 0 32px;
  }

  .site-header__inner {
    align-items: flex-start;
  }

  .page-title {
    font-size: 36px;
  }
}