/* Anima — shared design tokens & components */

:root {
  /* palette — Anima brand: 60% light neutral / 30% deep navy / 10% leaf-green accent */
  --color-bg: #f4f7f6;
  --color-bg-alt: #ffffff;
  --color-surface: #ffffff;
  --color-surface-raised: #ffffff;
  --color-ink: #1e323f;
  --color-ink-soft: #4a5c68;
  --color-ink-faint: #7c8a93;
  --color-wood: #1e323f;
  --color-wood-dark: #16242e;

  /* secondary (structural navy) — powers .btn-secondary and neutral labels */
  --color-sage: #1e323f;
  --color-sage-dark: #16242e;
  --color-sage-tint: #eaefec;

  /* accent (leaf green) — reserved for CTAs, links, icon highlights, active/hover states */
  --color-terracotta: #8dc63f;
  --color-terracotta-dark: #6fa030;
  --color-terracotta-tint: #eef6df;

  /* accent-on-dark eyebrow labels — same green family, neutral tint for badges */
  --color-gold: #8dc63f;
  --color-gold-dark: #6fa030;
  --color-gold-tint: #eaefec;

  --color-cream-tile: #eaefec;

  --font-display: "Montserrat", "Lato", -apple-system, sans-serif;
  --font-body: "Open Sans", "Inter", -apple-system, sans-serif;

  --shadow-sm: 0 1px 2px rgba(30, 50, 63, 0.08), 0 1px 1px rgba(30, 50, 63, 0.05);
  --shadow-md: 0 6px 16px rgba(30, 50, 63, 0.12), 0 2px 5px rgba(30, 50, 63, 0.08);
  --shadow-lg: 0 16px 32px rgba(30, 50, 63, 0.16), 0 4px 10px rgba(30, 50, 63, 0.1);
  --shadow-floating: 0 24px 48px rgba(30, 50, 63, 0.22), 0 8px 18px rgba(30, 50, 63, 0.12);

  --shadow-sage: 0 10px 24px rgba(30, 50, 63, 0.25);
  --shadow-terracotta: 0 10px 24px rgba(141, 198, 63, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

/* subtle grain texture overlay — apply to any section for tactile depth */
.bg-grain {
  position: relative;
}
.bg-grain::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* nav */
.site-nav {
  background: rgba(30, 50, 63, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease, transform 0.2s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--color-terracotta);
}
.nav-link:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 4px;
  border-radius: 4px;
}

.nav-logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.65rem;
  display: block;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.85rem 1.75rem;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background-color 0.2s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
}
.btn:active {
  transform: scale(0.97);
}
.btn:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-terracotta);
  color: var(--color-surface);
  box-shadow: var(--shadow-terracotta);
}
.btn-primary:hover {
  background: var(--color-terracotta-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(141, 198, 63, 0.4);
}

.btn-secondary {
  background: var(--color-sage);
  color: var(--color-surface);
  box-shadow: var(--shadow-sage);
}
.btn-secondary:hover {
  background: var(--color-sage-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(30, 50, 63, 0.32);
}

.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-wood);
}
.btn-outline:hover {
  background: var(--color-surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* tile cards — echo the labeled BMC board sections */
.tile-card {
  background: var(--color-surface);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
}
.tile-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tile-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tile-label-compact {
  font-family: var(--font-body);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.3;
  text-transform: uppercase;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.surface-floating {
  box-shadow: var(--shadow-floating);
}

/* form fields */
.field {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid rgba(30, 50, 63, 0.18);
  border-radius: 0.85rem;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-body);
  color: var(--color-ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field:focus {
  outline: none;
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(141, 198, 63, 0.18);
}
.field::placeholder {
  color: var(--color-ink-faint);
}

footer a {
  transition: color 0.2s ease;
}
footer a:hover {
  color: var(--color-terracotta) !important;
}

/* mobile nav */
.mobile-menu {
  display: none;
}
.mobile-menu.is-open {
  display: flex;
}
@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

.menu-toggle {
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}
.menu-toggle:active {
  transform: scale(0.94);
}
.menu-toggle:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 2px;
}

/* article byline (resource cards + post header) */
.byline {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.byline-avatar {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  object-fit: cover;
  flex-shrink: 0;
}
.byline-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink-soft);
}
.byline-meta {
  font-size: 0.8rem;
  color: var(--color-ink-faint);
}
.linkedin-badge {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 0.35rem;
  background: #0a66c2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(10, 102, 194, 0.3);
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.15s ease;
}
.linkedin-badge:hover {
  background: #0958a8;
  transform: translateY(-1px);
}
.linkedin-badge:active {
  transform: translateY(0);
}
.linkedin-badge:focus-visible {
  outline: 2px solid #0a66c2;
  outline-offset: 2px;
}
.linkedin-badge svg {
  width: 0.85rem;
  height: 0.85rem;
}

/* long-form article body */
.article-prose h2 {
  font-size: 1.6rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
  scroll-margin-top: 6rem;
}
.article-prose h2::before {
  content: attr(data-kicker);
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-terracotta-dark);
  margin-bottom: 0.6rem;
}
.article-prose h2:first-child {
  margin-top: 0;
}
.article-prose h3 {
  font-size: 1.2rem;
  margin-top: 2.25rem;
  margin-bottom: 0.85rem;
  scroll-margin-top: 6rem;
}
.article-prose p {
  color: var(--color-ink-soft);
  margin-bottom: 1.25rem;
}
.article-prose ul {
  margin: 0 0 1.25rem 0;
  padding-left: 1.1rem;
  color: var(--color-ink-soft);
}
.article-prose li {
  margin-bottom: 0.6rem;
  padding-left: 0.3rem;
}
.article-prose li::marker {
  color: var(--color-terracotta);
}
.article-prose li strong {
  color: var(--color-ink);
}
.article-visual-callout {
  background: var(--color-sage-tint);
  border: 1px dashed rgba(30, 50, 63, 0.25);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  color: var(--color-ink-faint);
  font-size: 0.85rem;
  font-style: italic;
  margin: 0 0 1.75rem 0;
}

/* right-rail table of contents */
.toc-panel {
  background: var(--color-surface);
  border: 1px solid rgba(30, 50, 63, 0.08);
  border-radius: 1rem;
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
}
.toc-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 1rem;
}
.toc-part {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-ink);
  display: block;
  padding: 0.35rem 0;
  transition: color 0.2s ease;
}
.toc-part:hover {
  color: var(--color-terracotta-dark);
}
.toc-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  padding: 0.3rem 0 0.3rem 0.85rem;
  border-left: 2px solid rgba(30, 50, 63, 0.1);
  margin-left: 0.05rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.toc-sub:hover {
  color: var(--color-terracotta-dark);
  border-color: var(--color-terracotta);
}
.toc-sub.is-active {
  color: var(--color-terracotta-dark);
  border-color: var(--color-terracotta);
  font-weight: 600;
}

/* dark-surface tile card — for sections with a dark section background */
.tile-card-dark {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.25rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, background-color 0.2s ease;
}
.tile-card-dark:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

/* coming-soon resource cards: not live yet, muted + non-interactive */
.card-coming-soon {
  opacity: 0.72;
}
.card-coming-soon img {
  filter: grayscale(1);
}
.card-coming-soon:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}
.coming-soon-badge {
  background: rgba(30, 50, 63, 0.08);
  color: var(--color-ink-faint);
}
.coming-soon-note {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink-faint);
}