/* ============================================
   TrueRESEARCH Consultants — Design Tokens
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg:        #FCFBF8;
  --bg-alt:    #F2F0E9;
  --ink:       #1B2430;
  --ink-soft:  #545E6C;
  --accent:    #3D6B63;
  --accent-dk: #294942;
  --accent-tint: #E7EEEB;
  --line:      #E1DED4;
  --white:     #FFFFFF;

  --display: 'Fraunces', Georgia, serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 400; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

.eyebrow {
  font-family: var(--body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent);
}

/* ---------- Header / Nav ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(252, 251, 248, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

nav.wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand span { color: var(--accent); }

nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
  font-weight: 500;
}

nav ul a {
  position: relative;
  padding-bottom: 4px;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
nav ul a:hover, nav ul a.active { color: var(--ink); }
nav ul a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--accent);
}

.btn {
  display: inline-block;
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 11px 22px;
  border-radius: 3px;
  border: 1px solid var(--ink);
  transition: all 0.15s ease;
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}
.btn.primary:hover { background: var(--accent-dk); border-color: var(--accent-dk); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--white); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

/* ---------- Hero / marginalia signature ---------- */
.hero {
  padding: 100px 0 90px;
  position: relative;
}
.hero .wrap { display: grid; grid-template-columns: 40px 1fr; gap: 40px; }
.hero-rule {
  border-left: 1px solid var(--line);
  position: relative;
}
.hero-content { max-width: 720px; }
.hero h1 { margin-bottom: 28px; }
.hero .lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 620px; }

.marginalia {
  position: absolute;
  left: -1px;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.06em;
  transform: translateX(-50%);
  background: var(--bg);
  padding: 2px 0;
}

.cta-row { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 640px; margin-bottom: 48px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px;
}
.card .num {
  font-family: var(--display);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-dk);
  background: var(--accent-tint);
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.divider { height: 1px; background: var(--line); border: none; margin: 0; }

/* Quote block */
.quote-block {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 28px;
  margin: 0;
}
.quote-block p {
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 400;
  color: var(--ink);
  font-style: italic;
  line-height: 1.45;
}
.quote-block cite {
  display: block;
  margin-top: 16px;
  font-family: var(--body);
  font-style: normal;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ---------- Timeline (Past Work / Education) ---------- */
.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.timeline-item:first-child { padding-top: 0; }
.timeline-item .period {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* ---------- Media cards ---------- */
.media-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.media-tabs a {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink-soft);
}
.media-tabs a:hover { border-color: var(--accent); color: var(--accent-dk); }

.media-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--white);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
a.media-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.media-thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--accent-tint), var(--bg-alt));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}
.media-card .body { padding: 22px; }
.media-card .kind {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.media-card h3 { margin: 8px 0 6px; font-size: 1.05rem; }
.media-card .meta { font-size: 0.8rem; color: var(--ink-soft); }

/* ---------- Contact / Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}
.field input, .field textarea, .field select {
  width: 100%;
  font-family: var(--body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--white);
  color: var(--ink);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.contact-info-item { margin-bottom: 28px; }
.contact-info-item .label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer .foot-brand { font-family: var(--display); font-size: 1rem; }
footer .foot-links { display: flex; gap: 24px; font-size: 0.85rem; color: var(--ink-soft); }
footer .foot-links a:hover { color: var(--accent); }
footer small { color: var(--ink-soft); font-size: 0.78rem; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3, .grid-2, .contact-grid { grid-template-columns: 1fr; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-rule { display: none; }
  nav ul {
    display: none;
    position: absolute;
    top: 78px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 32px 20px;
  }
  nav ul.open { display: flex; }
  nav ul li { padding: 12px 0; border-bottom: 1px solid var(--line); }
  nav ul li:last-child { border-bottom: none; }
  .nav-toggle { display: block; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  section { padding: 60px 0; }
  .hero { padding: 60px 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

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