/* ═══════════════════════════════════════════════════════════
   AMTA — Shared Styles
   Navy + Burnt Orange + Cream
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Core palette — navy dominant */
  --navy: #1e3a5f;
  --navy-deep: #142841;
  --navy-soft: #2c5380;
  --navy-mist: #4a6b8e;

  /* Warm accents */
  --orange: #b85c2e;
  --orange-soft: #d4814f;
  --goldenrod: #c89a3a;
  --goldenrod-soft: #dfbf73;

  /* Neutrals */
  --cream: #f3ead7;
  --cream-warm: #e8dcc2;
  --paper: #faf4e8;
  --ink: #1f2937;
  --muted: #6b6256;
  --rule: #d4c5a3;

  --display: 'Cormorant Garamond', Georgia, serif;
  --body: 'Lora', Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Placeholder marker — visually obvious so you know what to fill in */
.placeholder {
  background: rgba(184, 92, 46, 0.10);
  border: 1px dashed rgba(184, 92, 46, 0.50);
  padding: 2px 8px;
  border-radius: 2px;
  font-family: var(--body);
  font-style: italic;
  color: var(--orange);
  font-size: 0.92em;
}
.placeholder-block {
  background: rgba(184, 92, 46, 0.08);
  border: 1px dashed rgba(184, 92, 46, 0.45);
  padding: 18px 22px;
  border-radius: 2px;
  font-style: italic;
  color: var(--orange);
  font-size: 0.95em;
  margin: 16px 0;
}

/* Top bar */
.topbar {
  background: var(--navy-deep);
  color: var(--cream);
  font-family: var(--body);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 8px 0;
  text-align: center;
}
.topbar span { opacity: 0.85; }
.topbar .sep { margin: 0 14px; opacity: 0.4; }

/* Header */
.header {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.brand { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text .full {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
}
.brand-text .sub {
  font-family: var(--body);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

nav.primary { display: flex; gap: 28px; align-items: center; }
nav.primary a {
  font-family: var(--body);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
nav.primary a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: center;
}
nav.primary a:hover { color: var(--navy); }
nav.primary a:hover::after { transform: scaleX(1); }
nav.primary a.active { color: var(--navy); }
nav.primary a.active::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--navy);
}
.menu-toggle svg { width: 26px; height: 26px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 32px;
  font-family: var(--body);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  border-radius: 2px;
  text-align: center;
}
.btn-primary {
  background: var(--orange);
  color: var(--cream);
  border-color: var(--orange);
}
.btn-primary:hover { background: var(--orange-soft); border-color: var(--orange-soft); }
.btn-dark {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.btn-dark:hover { background: var(--navy-soft); border-color: var(--navy-soft); }
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(243, 234, 215, 0.4);
}
.btn-ghost:hover { border-color: var(--cream); background: rgba(243, 234, 215, 0.05); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--cream); }

/* Sections */
section { padding: 110px 40px; }
.container { max-width: 1240px; margin: 0 auto; }
.container-narrow { max-width: 920px; margin: 0 auto; }

.section-head { text-align: center; margin-bottom: 70px; }
.section-eyebrow {
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--orange);
  opacity: 0.5;
}
.section-head h2 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  color: var(--navy);
  font-weight: 400;
  margin-bottom: 18px;
}
.section-head h2 em { font-style: italic; color: var(--orange); }
.section-head p {
  font-size: 18px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Page Header */
.page-header {
  background: var(--navy);
  color: var(--cream);
  padding: 90px 40px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(212, 129, 79, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(200, 154, 58, 0.08) 0%, transparent 50%);
  pointer-events: none;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--goldenrod-soft), transparent);
  opacity: 0.6;
}
.page-header-inner { max-width: 900px; margin: 0 auto; position: relative; z-index: 1; }
.page-header .breadcrumb {
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--goldenrod-soft);
  margin-bottom: 22px;
}
.page-header .breadcrumb a { opacity: 0.8; }
.page-header .breadcrumb a:hover { opacity: 1; }
.page-header .breadcrumb .sep { margin: 0 12px; opacity: 0.5; }
.page-header h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 400;
  margin-bottom: 22px;
}
.page-header h1 em { font-style: italic; color: var(--orange-soft); }
.page-header p {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(243, 234, 215, 0.85);
  max-width: 640px;
  margin: 0 auto;
}

/* Prose */
.prose { font-size: 17px; line-height: 1.8; color: var(--ink); }
.prose p { margin-bottom: 22px; }
.prose h2 {
  font-size: 32px;
  color: var(--navy);
  font-weight: 500;
  margin: 56px 0 22px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 24px;
  color: var(--navy);
  font-weight: 600;
  margin: 40px 0 16px;
}
.prose ul, .prose ol { margin: 0 0 22px 24px; }
.prose li { margin-bottom: 10px; }
.prose a {
  color: var(--navy);
  border-bottom: 1px solid var(--orange);
  transition: color 0.2s ease;
}
.prose a:hover { color: var(--orange); }
.prose strong { color: var(--navy); font-weight: 600; }

/* Footer */
footer {
  background: var(--navy-deep);
  color: var(--cream);
  padding: 80px 40px 40px;
}
.footer-inner { max-width: 1240px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(243, 234, 215, 0.15);
}
.footer-brand h4 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(243, 234, 215, 0.65);
  max-width: 360px;
}
.footer-col h5 {
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--orange-soft);
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 15px;
  color: rgba(243, 234, 215, 0.75);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--orange-soft); }

.footer-base {
  padding-top: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(243, 234, 215, 0.5);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-base .affiliations { display: flex; gap: 22px; }

/* Responsive */
@media (max-width: 960px) {
  .header-inner { padding: 18px 24px; gap: 16px; }
  nav.primary {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--rule);
    padding: 12px 24px 24px;
  }
  nav.primary.open { display: flex; }
  nav.primary a {
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
    width: 100%;
  }
  nav.primary a:last-child { border-bottom: none; }
  .menu-toggle { display: block; }
  section { padding: 70px 24px; }
  .section-head { margin-bottom: 50px; }
  .page-header { padding: 60px 24px 70px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-base { flex-direction: column; text-align: center; }
}
@media (max-width: 540px) {
  .topbar { font-size: 11px; padding: 6px 12px; }
  .topbar .sep { margin: 0 8px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.anim-1 { animation: fadeUp 0.7s ease 0.1s both; }
.anim-2 { animation: fadeUp 0.7s ease 0.25s both; }
.anim-3 { animation: fadeUp 0.7s ease 0.4s both; }
.anim-4 { animation: fadeUp 0.7s ease 0.55s both; }
.anim-5 { animation: fadeUp 0.8s ease 0.7s both; }