/* ============================================================
   ELECTORAL RESEARCH — STYLESHEET
   Dark, refined, editorial. DM Serif Display + DM Mono.
   ============================================================ */

:root {
  --bg:          #0d0e10;
  --bg-2:        #111316;
  --bg-3:        #161a1f;
  --border:      #222529;
  --border-2:    #2a2e33;
  --text:        #e2e4e8;
  --text-muted:  #7a8090;
  --text-dim:    #4a5060;
  --accent:      #c8a96e;   /* warm gold */
  --accent-2:    #4a7fa5;   /* steel blue */
  --danger:      #a05050;
  --font-serif:  'DM Serif Display', Georgia, serif;
  --font-sans:   'DM Sans', system-ui, sans-serif;
  --font-mono:   'DM Mono', 'Courier New', monospace;
  --radius:      6px;
  --max-w:       860px;
  --nav-h:       60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(13, 14, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 100;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 500;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(74, 127, 165, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(200, 169, 110, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  padding-bottom: 6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  font-style: italic;
}

/* placeholder state */
.hero-sub:empty::before,
p[id]:empty::before {
  content: attr(id);
  opacity: 0;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* STAT STRIP */
.hero-stat-strip {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 2.5rem;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 500;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.stat-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--border);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

.btn-primary:hover {
  background: #d9bb7e;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-2);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 5rem 0;
}

.section-dark {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--text);
  margin-bottom: 2.5rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.3rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--text);
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  flex: 1;
  line-height: 1.6;
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-top: 0.5rem;
}

/* ============================================================
   RESULT HIGHLIGHT
   ============================================================ */
.result-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.result-text .label-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

.result-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.3;
  font-style: italic;
}

.result-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.result-img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
}

.result-img-caption {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-top: 0.6rem;
  letter-spacing: 0.04em;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  color: var(--text);
  margin-top: 0.75rem;
}

/* ============================================================
   PAGE CONTENT (Research, Simulations, etc.)
   ============================================================ */
.page-content {
  padding-top: 4rem;
  padding-bottom: 6rem;
}

.research-section {
  padding: 2.5rem 0;
}

.research-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.research-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--text);
  margin-bottom: 1.75rem;
}

.research-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.research-body p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.975rem;
}

.section-divider {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

/* ============================================================
   CALLOUT BOXES
   ============================================================ */
.callout {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
}

.callout-mono {
  border-left-color: var(--accent-2);
}

.callout-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.callout code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-2);
  display: block;
  margin-bottom: 0.75rem;
}

.callout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
}

.callout-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dim-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.dim-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* PARAM GRID */
.param-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}

.param {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
}

.param-key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.param-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-2);
  font-weight: 500;
}

/* ============================================================
   FINDING TITLES
   ============================================================ */
.finding-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-top: 0.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

/* ============================================================
   FIGURE
   ============================================================ */
.figure {
  margin: 0.5rem 0;
}

.figure-img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
}

.figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-top: 0.6rem;
  letter-spacing: 0.04em;
}

/* ============================================================
   RESULTS TABLE
   ============================================================ */
.results-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.results-table th {
  background: var(--bg-3);
  color: var(--text-muted);
  font-weight: 400;
  text-align: left;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.results-table td {
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.results-table tr:last-child td {
  border-bottom: none;
}

.results-table tr.highlight-row td {
  color: var(--accent);
  background: rgba(200, 169, 110, 0.05);
}

/* ============================================================
   FUTURE WORK
   ============================================================ */
.future-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.future-item:last-child {
  border-bottom: none;
}

.future-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-top: 0.25rem;
  letter-spacing: 0.06em;
}

.future-text h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.future-text p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.75;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-icon {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.contact-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.contact-value {
  font-size: 0.9rem;
  color: var(--text);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.footer-sep {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--accent);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 700px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    z-index: 99;
  }

  .hero-stat-strip {
    flex-wrap: wrap;
    gap: 0;
  }

  .stat {
    padding: 1rem 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  .result-highlight {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .future-item {
    grid-template-columns: 2.5rem 1fr;
    gap: 1rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}