/* Shared site architecture styles.
   This file normalizes header and navigation behavior across canonical routes. */

:root {
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --h1-size-desktop: 32px;
  --h1-size-mobile: 22px;
  --page-top-spacing: 72px;
  --h1-weight: 800;
  --lede-size: 26px;
  --lede-weight: 600;
  --body-size: 16px;
  --body-line: 1.55;
  --list-gap: 12px;
  --list-indent: 18px;
  --list-item-gap: 10px;
  --accent-blue: #3b6cff;
  --brand-tint: rgba(59, 108, 255, 0.05);
  --border-color: #e6e8ec;
  --text-primary: #111111;
  --text-secondary: #555555;
}

html,
body {
  font-family: var(--font-sans);
  font-size: var(--body-size);
  line-height: var(--body-line);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-header {
  padding: 6px 0;
  position: sticky;
  top: 0;
  background-color: var(--bg-color, #ffffff);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logo {
  height: 44px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.brand-name {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-color, #111111);
}

.site-nav {
  display: flex;
  gap: 32px;
  font-size: 16px;
}

.site-nav a {
  color: var(--text-color, #111111);
}

.site-nav a:hover {
  color: var(--accent-blue, #3b6cff);
}

.site-nav a.active,
.mobile-nav a.active {
  color: var(--accent-blue, #3b6cff);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px 8px;
  font-size: 16px;
  color: var(--text-color, #111111);
  cursor: pointer;
  align-items: center;
  gap: 8px;
}

.menu-toggle .menu-icon {
  width: 18px;
  height: 2px;
  background-color: var(--text-color, #111111);
  display: inline-block;
  position: relative;
}

.menu-toggle .menu-icon::before,
.menu-toggle .menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background-color: var(--text-color, #111111);
}

.menu-toggle .menu-icon::before {
  top: -6px;
}

.menu-toggle .menu-icon::after {
  top: 6px;
}

.mobile-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background-color: var(--bg-color, #ffffff);
  border-top: 1px solid var(--border-color, #e6e6e6);
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px 24px;
  z-index: 20;
}

.mobile-nav a {
  padding: 12px 0;
  font-size: 16px;
  color: var(--text-color, #111111);
  text-decoration: none;
}

.mobile-nav.open {
  display: flex;
}

@media (max-width: 767px) {
  .site-header {
    padding: 4px 0;
  }

  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none;
  }

  .brand-logo {
    height: 44px;
  }
}

/* Shared layout and type system for About and Services pages. */

.container,
.about-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.page-title {
  margin: 0 0 32px 0;
}

h1 {
  font-size: var(--h1-size-desktop);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.1;
  font-family: var(--font-sans);
  font-weight: var(--h1-weight);
  margin: 0 0 32px 0;
  color: var(--text-primary);
  white-space: nowrap;
}

.page-main,
.insights-main,
.about-main,
.services-main,
.connect-main,
body > main {
  padding-top: var(--page-top-spacing) !important;
}

.lede-primary {
  font-size: var(--lede-size);
  font-weight: var(--lede-weight);
  line-height: 1.35;
  margin: 0 0 12px 0;
  color: var(--text-primary);
}

.lede-description {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.brand-highlight {
  color: var(--accent-blue);
  font-weight: 700;
}

.manifesto-callout {
  display: flex;
  width: 100%;
  background: rgba(59, 108, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 64px;
}

.callout-border {
  width: 4px;
  background-color: var(--accent-blue);
  flex-shrink: 0;
}

.callout-content {
  padding: 32px 40px;
}

.shelf-callout {
  display: flex;
  width: 100%;
  background: var(--brand-tint);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 32px;
}

.shelf-border {
  width: 4px;
  background-color: var(--accent-blue);
  flex-shrink: 0;
}

.shelf-content {
  padding: 32px 40px;
}

.section {
  padding-top: 48px;
}

.section-divider {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  margin-top: 24px;
}

.badge-phase {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 20px;
  background: var(--brand-tint);
  color: var(--accent-blue);
  margin-bottom: 16px;
}

.insight-card {
  margin-bottom: 48px;
}

.section-accent {
  margin: 24px 0 32px 0;
}

/* Shared bottom-page transition component used across primary pages. */
.next-page-nav {
  margin-top: 100px;
  margin-bottom: 60px;
}

.next-page-nav .section-accent {
  margin-bottom: 32px;
  width: 100%;
}

.nav-anchor {
  display: block;
  text-decoration: none;
  max-width: fit-content;
}

.nav-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.nav-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-blue);
  font-weight: 700;
}

.nav-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-arrow {
  color: var(--accent-blue);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.nav-anchor:hover .nav-title {
  color: var(--accent-blue);
  transform: translateX(4px);
}

.nav-anchor:hover .nav-arrow {
  transform: translateX(12px);
}

/* Unified orb bullet system shared across About, Services, and Insights lists. */

.page-main ul,
main ul {
  margin: var(--list-gap) 0 0;
  padding-left: var(--list-indent);
}

.page-main li,
main li {
  margin: 0 0 var(--list-item-gap);
}

.page-main li:last-child,
main li:last-child {
  margin-bottom: 0;
}

.service-list {
  list-style: none;
  margin-top: var(--list-gap);
  padding-left: var(--list-indent);
}

.page-main p + ul,
.page-main p + .service-list {
  margin-top: 20px;
}

.service-card ul {
  margin-top: 20px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--list-item-gap);
  line-height: 1.6;
  list-style-type: none;
}

.service-list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 14px;
  margin-top: 0.5em;
  transform: translateY(-50%);
  vertical-align: middle;
  flex-shrink: 0;
  /* Use canonical bullet icon path under assets/icons to avoid duplicate root icon folders. */
  background-image: url("/assets/icons/bullet.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.service-card,
.insight-card,
.philosophy-card {
  padding: 40px;
  border-radius: 8px;
}

.footer {
  padding: 48px 0;
  border-top: 1px solid var(--neutral-border, var(--border-color, #e6e6e6));
}

.footer p {
  max-width: 960px;
  margin: 0 auto 12px auto;
  text-align: center;
}

.footer-primary {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-color, #111111);
}

.footer-meta {
  font-size: 0.85rem;
  color: var(--muted-text, #6a6a6a);
  opacity: 0.65;
}

@media (max-width: 768px) {
  .section {
    padding-top: 32px;
  }

  h1 {
    font-size: var(--h1-size-mobile);
    white-space: normal;
  }

  .page-title {
    margin: 40px 0 24px 0;
  }

  .lede-primary {
    font-size: 22px;
  }

  .lede-description {
    font-size: 17px;
  }

  .shelf-content {
    padding: 24px;
  }

  .nav-title {
    font-size: 28px;
  }
}

/* Typography Guardrail */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans) !important;
}

body {
  font-family: var(--font-sans) !important;
}