@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=Instrument+Sans:wght@300;400;500&display=swap');

:root {
  --ink:       #1a1714;
  --ink-2:     #4a4540;
  --ink-3:     #8a847c;
  --ink-4:     #bdb8b0;
  --paper:     #f7f4ef;
  --paper-2:   #ede9e2;
  --paper-3:   #e4dfd5;
  --gold:      #8c6d3f;
  --gold-light:#c9a96e;
  --rule:      rgba(26,23,20,0.12);
  --serif:     'Cormorant Garamond', Georgia, serif;
  --sans:      'Instrument Sans', system-ui, sans-serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ── */

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}

.display {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.display em {
  font-style: italic;
  color: var(--gold);
}

.kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.lead {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-2);
}

p {
  font-size: 0.975rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.prose p + p { margin-top: 1.2em; }

.prose h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 0.75rem;
}

.prose h3 {
  font-size: 1.2rem;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin: 2rem 0 0.5rem;
  color: var(--ink);
}

/* ── LAYOUT ── */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container--mid {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAV ── */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--rule);
}

.site-nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-nav__brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-nav__brand span {
  color: var(--gold);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.site-nav__links a {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s;
}

.site-nav__links a:hover,
.site-nav__links a.active { color: var(--ink); }

.site-nav__links a.active {
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

/* ── RULE / DIVIDER ── */

.rule {
  border: none;
  border-top: 0.5px solid var(--rule);
  margin: 0;
}

.rule--gold {
  border-top-color: var(--gold-light);
}

/* ── BUTTON ── */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 1.6rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn--ghost {
  border-color: var(--ink-4);
  color: var(--ink-2);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn--gold {
  border-color: var(--gold);
  color: var(--gold);
}

.btn--gold:hover {
  background: var(--gold);
  color: var(--paper);
}

/* ── EMAIL SIGNUP ── */

.signup-form {
  display: flex;
  gap: 0;
  max-width: 420px;
}

.signup-form input[type="email"] {
  flex: 1;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 300;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink-3);
  border-right: none;
  background: transparent;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.signup-form input[type="email"]::placeholder {
  color: var(--ink-4);
}

.signup-form input[type="email"]:focus {
  border-color: var(--ink);
}

.signup-form button {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.signup-form button:hover {
  background: var(--ink-2);
  border-color: var(--ink-2);
}

/* ── SECTION SPACING ── */

.section { padding: 5rem 0; }
.section--sm { padding: 3rem 0; }
.section--lg { padding: 7rem 0; }
.section--xl { padding: 9rem 0; }

/* ── ORNAMENT ── */

.ornament {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--gold-light);
  letter-spacing: 0.3em;
  display: block;
  text-align: center;
}

/* ── PAGE HEADER (inner pages) ── */

.page-header {
  padding: 7rem 0 3.5rem;
  border-bottom: 0.5px solid var(--rule);
}

.page-header .kicker { margin-bottom: 1rem; }

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  max-width: 700px;
}

/* ── CARD ── */

.card {
  background: var(--paper-2);
  border: 0.5px solid var(--rule);
  padding: 2rem;
}

.card--hover {
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
}

.card--hover:hover {
  background: var(--paper-3);
  border-color: var(--ink-3);
}

/* ── QUOTE BLOCK ── */

.pull-quote {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.45;
  color: var(--ink);
  border-left: 2px solid var(--gold);
  padding-left: 1.8rem;
  margin: 2.5rem 0;
}

/* ── FOOTER ── */

.site-footer {
  padding: 3rem 0;
  border-top: 0.5px solid var(--rule);
}

.site-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-footer p {
  font-size: 0.78rem;
  color: var(--ink-3);
}

.site-footer a {
  color: var(--ink-3);
  text-decoration: none;
}

.site-footer a:hover { color: var(--ink); }

/* ── ANIMATIONS ── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 0.7s ease both;
}

.fade-up--d1 { animation-delay: 0.1s; }
.fade-up--d2 { animation-delay: 0.22s; }
.fade-up--d3 { animation-delay: 0.36s; }
.fade-up--d4 { animation-delay: 0.5s; }

/* ── RESPONSIVE ── */

@media (max-width: 680px) {
  .site-nav__links { display: none; }
  .section { padding: 3.5rem 0; }
  .section--lg { padding: 5rem 0; }
  .page-header { padding: 5rem 0 2.5rem; }
  .signup-form { flex-direction: column; }
  .signup-form input[type="email"] { border-right: 1px solid var(--ink-3); }
}

/* ── INSIGHT POST ── */

.insight-item {
  padding: 2.5rem 0;
  border-bottom: 0.5px solid var(--rule);
}

.insight-item:first-child { border-top: 0.5px solid var(--rule); }

.insight-item__meta {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 0.8rem;
}

.insight-item__tag {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border: 0.5px solid var(--gold-light);
  padding: 0.2rem 0.6rem;
}

.insight-item__mvt {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--ink-3);
}

.insight-item h2 {
  font-size: 1.45rem;
  font-weight: 400;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.insight-item h2 a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}

.insight-item h2 a:hover { color: var(--gold); }

/* ── MOVEMENT GRID ── */

.mvt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  border: 0.5px solid var(--rule);
}

.mvt-cell {
  padding: 2rem 1.8rem;
  background: var(--paper-2);
  border: none;
}

.mvt-cell__num {
  font-family: var(--serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--ink-4);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.mvt-cell__title {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.8rem;
}

.mvt-cell h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 0.6rem;
}

.mvt-cell p {
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.65;
}

/* ── METHODOLOGY BOX ── */

.method-box {
  background: var(--paper-3);
  border-left: 2px solid var(--gold);
  padding: 1.5rem 2rem;
}

.method-box p {
  font-size: 0.875rem;
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink-2);
  line-height: 1.7;
}

.method-box p + p { margin-top: 0.8em; }