/* ============================================================
   WARM SCHOLAR — Design System
   Warm neutrals, terracotta + olive earth accents.
   Independent identity (not UGA-branded).
   ============================================================ */

/* ---- Font loading ----
   Fraunces: display/headlines only
   IBM Plex Sans: body, UI, labels
   IBM Plex Mono: code
*/

:root {
  /* warm neutrals */
  --paper: #FBF4E7;
  --surface: #FFFDF7;
  --surface-raised: #FBF7EE;
  --line: #EDE2CE;
  --border-strong: #DDCBB2;
  --ink: #29201A;
  --body: #6E6051;
  --muted: #9C8C74;

  /* earth accents */
  --accent: #B66A47;
  --accent-deep: #8A3F22;
  --accent-tint: #F4E6DB;
  --secondary: #5A6B47;
  --secondary-dark: #3B4A2C;
  --secondary-tint: #ECEEE0;

  /* semantic */
  --success: #5A6B47; --success-tint: #ECEEE0;
  --warning: #9A6A14; --warning-tint: #F6EAD2;
  --danger: #9E2B2B;  --danger-tint: #F6E0DD;
  --info: #3C6478;    --info-tint: #E2EAEE;

  /* type */
  --font-display: "Fraunces", Georgia, serif;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* spacing */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-6: 24px; --space-8: 32px; --space-12: 48px; --space-16: 64px;

  /* radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* shadow */
  --shadow-menu: 0 4px 16px rgba(41,32,26,0.08);

  /* borders */
  --border: 1px solid var(--line);
  --border-emphasis: 1px solid var(--border-strong);
}

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--paper);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- Typography ---- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0;
}

.h-display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 60px);
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.h1 { font-size: 36px; line-height: 1.12; }
.h2 { font-size: 26px; line-height: 1.2; }
.h3 { font-size: 19px; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
  margin: 0;
}

.lead { font-size: 19px; line-height: 1.6; color: var(--body); margin: 0; }
.p { font-size: 16px; line-height: 1.6; color: var(--body); margin: 0; }
.meta { font-size: 13px; color: var(--muted); margin: 0; }
.mono { font-family: var(--font-mono); font-size: 13px; }

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

/* ---- Layout ---- */
.ws-wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.reading { max-width: 720px; }
.section { padding: 72px 0; }
.divider { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---- Nav ---- */
.ws-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.ws-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.ws-mark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-decoration: none;
}
.ws-mark:hover { text-decoration: none; }

.ws-navlinks {
  display: flex;
  align-items: center;
  gap: 28px;
}

.ws-navlink {
  font-size: 14px;
  color: var(--body);
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.18s ease;
}
.ws-navlink:hover { color: var(--ink); text-decoration: none; }
.ws-navlink.active {
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 3px;
}

/* Mobile nav toggle */
.ws-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-md);
  color: var(--ink);
}
.ws-mobile-toggle:hover { background: var(--accent-tint); }

.ws-mobile-menu {
  display: none;
  border-top: 1px solid var(--line);
  padding: 16px 32px 20px;
  background: var(--surface);
  flex-direction: column;
  gap: 16px;
}
.ws-mobile-menu.open { display: flex; }

@media (max-width: 768px) {
  .ws-navlinks { display: none; }
  .ws-mobile-toggle { display: flex; }
  .ws-wrap { padding: 0 20px; }
  .h-display { font-size: clamp(32px, 8vw, 48px); }
  .h1 { font-size: 28px; }
  .section { padding: 48px 0; }
  .statgrid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr !important; }
  .grid-2 { grid-template-columns: 1fr !important; }
}

/* ---- Buttons ---- */
.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  min-height: 40px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--accent-deep); color: #fff; border-color: var(--accent-deep); }
.btn-primary:hover { background: #73341B; border-color: #73341B; color: #fff; }

.btn-ghost { background: transparent; border-color: var(--border-strong); color: var(--ink); }
.btn-ghost:hover { background: var(--accent-tint); }

/* ---- Tags ---- */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 3px 9px;
  white-space: nowrap;
}
.tag-olive { background: var(--secondary-tint); color: var(--secondary-dark); }
.tag-clay { background: var(--accent-tint); color: var(--accent-deep); }
.tag-muted { background: var(--surface-raised); color: var(--muted); border: 1px solid var(--line); }

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.18s ease;
}
.card:hover { border-color: var(--border-strong); }

.card-link {
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}
.card-link:hover { border-color: var(--border-strong); text-decoration: none; }

/* ---- Icon chip ---- */
.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-tint);
  color: var(--accent-deep);
}

.icon-chip-olive {
  background: var(--secondary-tint);
  color: var(--secondary-dark);
}

/* ---- Stat band ---- */
.statband { background: var(--ink); color: var(--paper); }
.statgrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 44px 0;
}
.statnum {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 44px;
  line-height: 1;
  color: var(--paper);
}
.statlabel {
  font-size: 13px;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  margin-top: 6px;
}

/* ---- Section head ---- */
.section-head { margin-bottom: 36px; }
.section-head .eyebrow { margin-bottom: 10px; }
.section-head .lead { margin-top: 14px; }

/* ---- Award item ---- */
.award-item {
  border-left: 3px solid var(--accent);
  padding: 10px 0 10px 16px;
}
.award-item + .award-item { margin-top: 4px; }
.award-title { font-weight: 500; color: var(--ink); font-size: 15px; font-family: var(--font-sans); }
.award-sub { color: var(--muted); font-size: 13px; margin-top: 3px; }

/* ---- Publication card ---- */
.pub-venue {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-deep);
  margin-bottom: 8px;
  font-family: var(--font-sans);
}
.pub-title { font-size: 16px; font-weight: 500; color: var(--ink); margin-bottom: 6px; font-family: var(--font-sans); }
.pub-authors { font-size: 13px; color: var(--muted); }

/* ---- Footer ---- */
.ws-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.ws-footer a { color: var(--body); text-decoration: none; }
.ws-footer a:hover { color: var(--ink); }

/* ---- Contact modal ---- */
.contact-overlay {
  position: fixed;
  inset: 0;
  background: rgba(41,32,26,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.contact-modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 440px;
  max-width: calc(100vw - 48px);
  box-shadow: var(--shadow-menu);
}
.field-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
  display: block;
}
.field {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  height: 40px;
  padding: 0 12px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field:focus {
  border-color: var(--accent-deep);
  box-shadow: 0 0 0 3px rgba(138,63,34,0.2);
}
textarea.field { height: 88px; padding: 10px 12px; resize: none; }

/* ---- Grid helpers ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ---- Focus states ---- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 2px;
}

/* ---- Selection ---- */
::selection { background: var(--accent-tint); color: var(--accent-deep); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ---- Print ---- */
@media print {
  nav, .contact-overlay { display: none !important; }
  body { background: white; color: black; }
}