@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@300;500;700&family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
  /* Core colors */
  --ink: #0f172a;
  --ink-soft: #475569;
  --paper: #fafaf9;
  --surface: #ffffff;
  --mist: #f1f5f9;

  /* Accent colors */
  --accent: #ea580c;
  --accent-2: #0d9488;
  --accent-3: #eab308;

  /* Legacy aliases */
  --shadow: rgba(13, 26, 38, 0.15);
  --shadow-soft: rgba(13, 26, 38, 0.08);
  --shadow-strong: rgba(13, 26, 38, 0.2);

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Typography scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* Radii */
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  /* Layout */
  --page-max: 1440px;
  --gutter: clamp(20px, 6vw, 64px);
  --header-h: 102px;

  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}

.metrics-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.metrics-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #51606d;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.metric-card {
  background: #ffffff;
  border: 1px solid rgba(87, 108, 122, 0.12);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 8px 16px rgba(21, 42, 51, 0.08);
}

.metric-label {
  font-size: 13px;
  color: #6a7a86;
  text-transform: capitalize;
}

.metric-value {
  font-size: 24px;
  font-weight: 600;
  color: #0f1f2c;
  margin-top: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--ink);
  background: linear-gradient(135deg, var(--paper) 0%, #eef5f2 45%, #f4efe6 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.6;
}

h2,
h3 {
  font-family: 'Fraunces', serif;
  letter-spacing: -0.01em;
}

body::before,
body::after {
  content: '';
  position: fixed;
  width: 42vmax;
  height: 42vmax;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(224, 108, 71, 0.18), transparent 70%);
  z-index: -1;
  filter: blur(10px);
  animation: drift 22s ease-in-out infinite alternate;
}

body::after {
  background: radial-gradient(circle at 70% 20%, rgba(47, 158, 133, 0.2), transparent 68%);
  top: -20vmax;
  right: -20vmax;
  animation-delay: -6s;
}

@keyframes drift {
  0% {
    transform: translate(-8%, 6%);
  }
  100% {
    transform: translate(8%, -6%);
  }
}

@keyframes orbitFloat {
  0% {
    transform: rotate(var(--orbit-rotate)) translateY(0);
  }
  50% {
    transform: rotate(var(--orbit-rotate)) translateY(14px);
  }
  100% {
    transform: rotate(var(--orbit-rotate)) translateY(0);
  }
}

@keyframes slowSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes loopPulse {
  0% {
    opacity: 0.5;
    transform: scale(0.96);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.03);
  }
  100% {
    opacity: 0.5;
    transform: scale(0.96);
  }
}

.site-header,
header[data-site-header] {
  --header-edge-space: var(--gutter);
  --nav-shell-pad: 8px;
  --nav-pill-height: 48px;
  --nav-item-px: 20px;
  --nav-pill-x: var(--nav-item-px);
  --nav-bar-gap: 8px;
  --nav-cluster-gap: var(--nav-bar-gap);
  --nav-caret-size: 8px;
  position: sticky;
  top: 0;
  z-index: 110;
  width: 100%;
  padding: 24px 0 14px;
  transition: padding 0.3s ease, background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header[data-scrolled="true"],
header[data-site-header][data-scrolled="true"] {
  padding: 0;
  background: rgba(250, 250, 249, 0.88);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(11, 27, 43, 0.08);
}

.site-header .nav-container,
header[data-site-header] .nav-container {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 var(--header-edge-space);
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  align-items: center;
  column-gap: 24px;
  box-sizing: border-box;
}

.site-header .nav-brand,
header[data-site-header] .nav-brand {
  justify-self: start;
}

.site-header .nav-controls,
header[data-site-header] .nav-controls {
  justify-self: end;
  min-width: 0;
}

.nav-bar {
  display: flex;
  align-items: center;
  gap: var(--nav-bar-gap);
  padding: var(--nav-shell-pad);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(11, 27, 43, 0.08);
  border-radius: 999px;
  box-shadow: 0 18px 42px rgba(11, 27, 43, 0.12);
  backdrop-filter: blur(18px);
  flex-wrap: nowrap;
  width: max-content;
  max-width: 100%;
  box-sizing: border-box;
  transition:
    border-radius 0.3s ease,
    box-shadow 0.3s ease,
    background 0.3s ease,
    border-color 0.3s ease,
    padding 0.3s ease,
    backdrop-filter 0.3s ease;
}

.site-header[data-scrolled="true"] .nav-bar {
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  border-color: transparent;
  backdrop-filter: none;
  padding: 10px 0;
  width: 100%;
  max-width: 100%;
  justify-content: flex-end;
}

.status-banner {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(240, 180, 77, 0.18);
  border: 1px solid rgba(240, 180, 77, 0.45);
  color: #7a4a00;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.status-notice {
  margin: 12px 0 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(240, 180, 77, 0.12);
  border: 1px solid rgba(240, 180, 77, 0.4);
  color: #5c3800;
  font-size: 0.9rem;
  line-height: 1.5;
}

.status-notice strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
}

.status-notice a {
  margin-left: 6px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
  justify-self: start;
}

.nav-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.nav-logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-wordmark {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.55rem, 1.3rem + 0.35vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.05;
}

.nav-wordmark-accent {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.2;
}

.nav-subtitle:empty {
  display: none;
}

.nav-controls {
  min-width: 0;
  width: 100%;
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--nav-cluster-gap);
  flex-wrap: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--nav-bar-gap);
  flex-wrap: nowrap;
  min-width: 0;
  box-sizing: border-box;
}

.nav-group {
  position: relative;
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-section-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--nav-pill-height);
  padding: 0 var(--nav-item-px);
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.98rem;
  font-weight: 600;
  white-space: nowrap;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
  box-sizing: border-box;
}

.nav-section-link:hover,
.nav-section-link:focus-visible {
  background: rgba(224, 108, 71, 0.12);
  color: var(--accent);
}

.nav-section-link.active {
  background: rgba(47, 158, 133, 0.18);
  color: var(--accent-2);
  box-shadow: inset 0 0 0 1px rgba(47, 158, 133, 0.12);
}

.nav-link-caret {
  width: var(--nav-caret-size);
  height: var(--nav-caret-size);
  border-right: 1.7px solid currentColor;
  border-bottom: 1.7px solid currentColor;
  transform: translateY(-1px) rotate(45deg);
  opacity: 0.72;
  flex-shrink: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle,
.nav-group-toggle {
  appearance: none;
  border: 1px solid rgba(11, 27, 43, 0.12);
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--nav-pill-height);
  min-height: var(--nav-pill-height);
  border-radius: 999px;
  box-shadow: 0 16px 32px rgba(11, 27, 43, 0.12);
  flex-shrink: 0;
}

.nav-toggle i {
  font-size: 1rem;
  line-height: 1;
}

.nav-group-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--nav-pill-height);
  min-height: var(--nav-pill-height);
  border-radius: 999px;
  flex-shrink: 0;
}

.nav-group-caret {
  width: var(--nav-caret-size);
  height: var(--nav-caret-size);
  border-right: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  display: inline-block;
}

.nav-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  padding: 12px;
  display: grid;
  gap: 6px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(11, 27, 43, 0.12);
  border-radius: 22px;
  box-shadow: 0 24px 44px rgba(11, 27, 43, 0.14);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 120;
  box-sizing: border-box;
}

.nav-group--align-end .nav-menu {
  left: auto;
  right: 0;
}

.nav-menu-group {
  display: grid;
  gap: 4px;
}

.nav-menu-group:not(:first-child) {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(11, 27, 43, 0.08);
}

.nav-menu-group-label {
  display: block;
  padding: 4px 14px 2px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.nav-menu a {
  display: block;
  padding: 11px 14px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  background: rgba(224, 108, 71, 0.12);
  color: var(--accent);
}

.nav-menu a.active {
  background: rgba(47, 158, 133, 0.16);
  color: var(--accent-2);
  font-weight: 700;
}

.nav-section-link:focus-visible,
.nav-toggle:focus-visible,
.nav-group-toggle:focus-visible,
.nav-menu a:focus-visible,
.nav-cta:focus-visible {
  outline: 2px solid rgba(47, 158, 133, 0.5);
  outline-offset: 2px;
}

@media (min-width: 961px) {
  .nav-group:hover .nav-menu,
  .nav-group:focus-within .nav-menu,
  .nav-group[data-dropdown-open="true"] .nav-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-group:hover .nav-link-caret,
  .nav-group:focus-within .nav-link-caret,
  .nav-group[data-dropdown-open="true"] .nav-link-caret,
  .nav-section-link:hover .nav-link-caret,
  .nav-section-link:focus-visible .nav-link-caret {
    opacity: 1;
    transform: translateY(0) rotate(45deg);
  }
}

/* Medium narrow: scale nav so items don't overflow */
@media (min-width: 961px) and (max-width: 1150px) {
  .site-header .nav-container,
  header[data-site-header] .nav-container {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  }

  .site-header,
  header[data-site-header] {
    --nav-item-px: clamp(10px, 1.2vw, 18px);
  }

  .nav-bar {
    min-width: 0;
    max-width: 100%;
  }

  .nav-section-link {
    font-size: clamp(0.82rem, 1.5vw, 0.98rem);
    padding-left: var(--nav-item-px);
    padding-right: var(--nav-item-px);
  }
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--nav-pill-height);
  padding: 0 var(--nav-item-px);
  border-radius: 999px;
  background: linear-gradient(135deg, #e06c47, #e8893f);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  white-space: nowrap;
  box-shadow: 0 12px 22px rgba(224, 108, 71, 0.28);
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
  flex-shrink: 0;
  box-sizing: border-box;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(224, 108, 71, 0.34);
}

.nav-cta i {
  font-size: 14px;
  transition: transform var(--duration-fast) ease;
}

.nav-cta:hover i {
  transform: translateX(2px);
}

/* Engage as primary CTA (section link styled as CTA) */
.nav-section-link.nav-cta {
  background: linear-gradient(135deg, #e06c47, #e8893f);
  color: #fff;
  box-shadow: 0 12px 22px rgba(224, 108, 71, 0.28);
}

.nav-section-link.nav-cta:hover,
.nav-section-link.nav-cta:focus-visible {
  background: linear-gradient(135deg, #e06c47, #e8893f);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(224, 108, 71, 0.34);
}

.nav-section-link.nav-cta.active {
  background: linear-gradient(135deg, #e06c47, #e8893f);
  color: #fff;
  box-shadow: 0 12px 22px rgba(224, 108, 71, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.nav-section-link.nav-cta .nav-link-caret {
  border-color: #fff;
  opacity: 0.9;
}

.hero {
  position: relative;
  padding: 72px var(--gutter) 72px;
  max-width: var(--page-max);
  margin: 0 auto;
}

.hero-wide {
  max-width: none;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(11, 27, 43, 0.06);
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

.hero-wide-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-wide-bg::before {
  content: '';
  position: absolute;
  inset: -20% 10% 0 10%;
  background: radial-gradient(circle at 20% 20%, rgba(224, 108, 71, 0.18), transparent 55%),
    radial-gradient(circle at 80% 20%, rgba(47, 158, 133, 0.2), transparent 60%),
    radial-gradient(circle at 50% 80%, rgba(240, 180, 77, 0.18), transparent 65%);
  filter: blur(2px);
  opacity: 0.9;
}

.hero-wide-bg::after {
  content: '';
  position: absolute;
  width: min(46vw, 460px);
  height: min(46vw, 460px);
  right: 6%;
  top: -140px;
  background: conic-gradient(
    from 120deg,
    rgba(224, 108, 71, 0.16),
    rgba(47, 158, 133, 0.18),
    rgba(240, 180, 77, 0.18),
    rgba(224, 108, 71, 0.16)
  );
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.7;
  animation: slowSpin 26s linear infinite;
}

.loop-orbit {
  --orbit-rotate: 0deg;
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(47, 158, 133, 0.35);
  box-shadow: 0 0 40px rgba(47, 158, 133, 0.16);
  transform: rotate(var(--orbit-rotate));
  animation: orbitFloat 18s ease-in-out infinite;
}

.loop-orbit-one {
  width: 520px;
  height: 240px;
  top: 40px;
  right: -80px;
  --orbit-rotate: 18deg;
}

.loop-orbit-two {
  width: 420px;
  height: 190px;
  top: 140px;
  right: 120px;
  border-color: rgba(224, 108, 71, 0.35);
  box-shadow: 0 0 32px rgba(224, 108, 71, 0.2);
  animation-delay: -6s;
  --orbit-rotate: -12deg;
}

.loop-orbit-three {
  width: 620px;
  height: 300px;
  top: -40px;
  right: 240px;
  border-color: rgba(240, 180, 77, 0.3);
  box-shadow: 0 0 36px rgba(240, 180, 77, 0.18);
  animation-delay: -12s;
  --orbit-rotate: 8deg;
}

.hero-wide-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  background: rgba(255, 255, 255, 0.86);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 26px 50px rgba(11, 27, 43, 0.14);
  backdrop-filter: blur(8px);
}

.hero-top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.9fr);
  gap: 32px;
  align-items: center;
  max-width: var(--page-max);
  margin: 0 auto;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-2);
  background: rgba(47, 158, 133, 0.16);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.hero-wide-panels {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
  max-width: var(--page-max);
  margin-left: auto;
  margin-right: auto;
}

.hero-panel {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78));
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 43, 0.1);
  padding: 16px 18px;
  box-shadow: 0 18px 30px rgba(11, 27, 43, 0.12);
  backdrop-filter: blur(6px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-panel h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.hero-panel p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.hero-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 40px rgba(11, 27, 43, 0.16);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11, 27, 43, 0.08);
  background: radial-gradient(circle at 20% 20%, rgba(47, 158, 133, 0.18), transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(224, 108, 71, 0.18), transparent 60%),
    rgba(255, 255, 255, 0.7);
  box-shadow: 0 22px 40px rgba(11, 27, 43, 0.12);
}

.loop-sculpture {
  position: relative;
  width: min(38vw, 360px);
  height: min(19vw, 180px);
}

.loop-sculpture::before,
.loop-sculpture::after {
  content: '';
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  border-radius: 999px;
  border: 4px solid rgba(47, 158, 133, 0.55);
  box-shadow: 0 0 28px rgba(47, 158, 133, 0.28);
}

.loop-sculpture::before {
  left: 0;
  border-color: rgba(224, 108, 71, 0.6);
  box-shadow: 0 0 28px rgba(224, 108, 71, 0.28);
  transform: rotate(12deg);
}

.loop-sculpture::after {
  right: 0;
  transform: rotate(-12deg);
}

.loop-core {
  position: absolute;
  inset: 20% 16%;
  border-radius: 999px;
  border: 1px dashed rgba(11, 27, 43, 0.24);
  animation: loopPulse 6s ease-in-out infinite;
}

.loop-glow {
  position: absolute;
  width: min(32vw, 280px);
  height: min(32vw, 280px);
  background: radial-gradient(circle, rgba(47, 158, 133, 0.25), transparent 65%);
  filter: blur(2px);
  opacity: 0.8;
  animation: loopPulse 8s ease-in-out infinite;
}

.content-main {
  padding: 12px var(--gutter) 48px;
  max-width: var(--page-max);
  margin: 0 auto;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.content-body {
  min-width: 0;
}

.content-stack {
  display: grid;
  gap: 18px;
}

.content-panel {
  min-width: 0;
  background: rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 43, 0.08);
  padding: 22px 24px;
  box-shadow: 0 16px 30px var(--shadow-soft);
  backdrop-filter: blur(6px);
}

.code-block {
  margin-top: 16px;
  background: #0b1b2b;
  color: #f6f2ea;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  border: 1px solid rgba(11, 27, 43, 0.2);
  box-shadow: 0 12px 20px rgba(11, 27, 43, 0.2);
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
}

.media-card {
  background: rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 43, 0.08);
  padding: 16px;
  box-shadow: 0 18px 30px rgba(11, 27, 43, 0.1);
}

.media-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.content-panel h2,
.content-panel h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.content-panel h2 {
  color: rgba(11, 27, 43, 0.65);
}

.content-panel h2.hub-heading {
  color: var(--ink);
}

.side-nav {
  background: rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 43, 0.08);
  padding: 18px;
  box-shadow: 0 16px 30px var(--shadow-soft);
  position: sticky;
  top: 24px;
  display: grid;
  gap: 16px;
  backdrop-filter: blur(6px);
}

.side-title,
.side-nav a.side-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  display: block;
  padding: 6px 12px;
  border-radius: 10px;
  border-left: 3px solid transparent;
  transition: background 0.2s ease, color 0.2s ease;
}

.side-title:hover,
.side-nav a.side-title:hover {
  background: rgba(224, 108, 71, 0.08);
  color: var(--accent);
}

.side-title.active,
.side-nav a.side-title.active {
  background: rgba(47, 158, 133, 0.18);
  color: var(--accent-2);
  border-left-color: var(--accent-2);
}

.side-link-ext {
  font-size: 0.7rem;
  opacity: 0.6;
  margin-left: 4px;
  vertical-align: middle;
}

.side-group {
  display: grid;
  gap: 4px;
  border-left: 1px solid rgba(11, 27, 43, 0.08);
  padding-left: 8px;
  margin-left: 4px;
}

.side-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.side-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.88rem;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
  border-left: 3px solid transparent;
  margin-left: 0;
}

.side-nav a:hover {
  background: rgba(224, 108, 71, 0.12);
  color: var(--accent);
}

.side-nav a.active {
  background: rgba(47, 158, 133, 0.18);
  color: var(--accent-2);
  border-left-color: var(--accent-2);
  box-shadow: inset 0 0 0 1px rgba(47, 158, 133, 0.15);
}

.side-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  border-top: 1px solid rgba(11, 27, 43, 0.1);
  padding-top: 20px;
  display: grid;
  gap: 4px;
}

.side-note a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: block;
  padding: 0;
  background: none !important;
  border-radius: 0;
}

.side-note a:hover {
  background: none !important;
  color: var(--accent-dark, color-mix(in srgb, var(--accent) 80%, #000));
  text-decoration: underline;
}

.hero-card {
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 40px var(--shadow);
  border: 1px solid rgba(11, 27, 43, 0.08);
  animation: rise 0.6s ease-out both;
  backdrop-filter: blur(6px);
}

.hero-card:nth-child(2) {
  animation-delay: 0.15s;
}

@keyframes rise {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.hero h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 0 0 12px;
}

.hero p {
  line-height: 1.6;
  margin: 0 0 20px;
  color: var(--ink-soft);
}

.hero-wide-content h2 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
}

.hero-wide-content p {
  font-size: 1.05rem;
  max-width: 48ch;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(47, 158, 133, 0.15);
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: linear-gradient(135deg, #e06c47, #e8893f);
  color: #fff;
  box-shadow: 0 10px 20px rgba(224, 108, 71, 0.35);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  border-color: rgba(11, 27, 43, 0.15);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(11, 27, 43, 0.18);
}


.section {
  padding: 24px var(--gutter) 48px;
  max-width: var(--page-max);
  margin: 0 auto;
}

.section h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  position: relative;
  padding-left: 14px;
}

.section h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25em;
  width: 6px;
  height: 60%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(47, 158, 133, 0.7), rgba(224, 108, 71, 0.7));
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.85);
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 43, 0.1);
  box-shadow: 0 12px 24px var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
  backdrop-filter: blur(6px);
  text-decoration: none;
  color: var(--ink);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(224, 108, 71, 0.4);
}

.card h4 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.card a {
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
}

a.card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

a.card h4 {
  color: var(--ink);
}

.card.card-ref {
  border: 1px dashed rgba(47, 158, 133, 0.45);
  border-left: 3px solid var(--accent-2, #2f9e85);
  background: rgba(47, 158, 133, 0.03);
  position: relative;
}

.card.card-ref:hover {
  border-color: rgba(47, 158, 133, 0.65);
}

.card.card-ref::before {
  content: "External section";
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2, #2f9e85);
  opacity: 0.8;
}

.card.card-ref::after {
  content: "↗";
  position: absolute;
  top: 22px;
  right: 14px;
  font-size: 0.75rem;
  color: var(--accent-2, #2f9e85);
  opacity: 0.65;
  font-weight: 700;
}

.card.has-icon {
  position: relative;
  padding-top: 54px;
}

.card-icon {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(47, 158, 133, 0.28), rgba(47, 158, 133, 0.08));
  border: 1px solid rgba(47, 158, 133, 0.4);
  color: var(--accent-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card-icon i {
  font-size: 18px;
  line-height: 1;
}

.footer {
  padding: 32px var(--gutter) 48px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  max-width: var(--page-max);
  margin: 0 auto;
}

/* New Site Footer */
.site-footer {
  border-top: 1px solid rgba(11, 27, 43, 0.08);
  padding: var(--space-12) var(--gutter);
  background: rgba(255, 255, 255, 0.5);
}

.footer-container {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.footer-wordmark {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.footer-wordmark-accent {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-tagline {
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-sm);
  transition: color var(--duration-fast) ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-legal {
  color: var(--ink-soft);
  font-size: var(--text-xs);
  margin-top: var(--space-4);
}

.viewer-shell {
  max-width: min(1140px, var(--page-max));
  margin: 0 auto;
  padding: 32px var(--gutter) 56px;
}

.viewer-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(11, 27, 43, 0.08);
  box-shadow: 0 18px 36px rgba(11, 27, 43, 0.1);
  margin-bottom: 20px;
}

.viewer-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 520px;
}

.viewer-title {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  margin: 0;
}

.viewer-subtitle {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.viewer-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.viewer-content {
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 18px 36px rgba(11, 27, 43, 0.1);
  border: 1px solid rgba(11, 27, 43, 0.08);
  color: var(--ink);
  line-height: 1.7;
}

.viewer-content h1,
.viewer-content h2,
.viewer-content h3,
.viewer-content h4 {
  font-family: 'Fraunces', serif;
  color: var(--ink);
}

.viewer-content h1 {
  font-size: clamp(1.9rem, 2.4vw, 2.4rem);
  margin: 0 0 14px;
}

.viewer-content h2 {
  font-size: clamp(1.35rem, 1.8vw, 1.7rem);
  margin: 28px 0 12px;
  position: relative;
  padding-left: 14px;
}

.viewer-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 6px;
  height: 0.8em;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(47, 158, 133, 0.7), rgba(224, 108, 71, 0.7));
}

.viewer-content h3 {
  font-size: 1.15rem;
  margin: 20px 0 10px;
}

.viewer-content p {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.viewer-content ul,
.viewer-content ol {
  padding-left: 1.2rem;
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.viewer-content li {
  margin: 6px 0;
}

.viewer-content hr {
  border: none;
  border-top: 1px solid rgba(11, 27, 43, 0.1);
  margin: 24px 0;
}

.viewer-content pre,
.viewer-content code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
}

.viewer-content pre {
  background: #0b1b2b;
  color: #f8f5ef;
  padding: 18px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.viewer-content pre code.hljs {
  background: transparent;
  padding: 0;
}

.viewer-content code:not(pre code) a,
.viewer-content a > code {
  color: inherit;
}

.viewer-content .mermaid {
  margin: 18px 0;
  display: flex;
  justify-content: center;
}

.viewer-content a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 108, 71, 0.3);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.viewer-content a:hover {
  color: var(--accent-2);
  border-color: rgba(47, 158, 133, 0.5);
}

.viewer-content blockquote {
  margin: 0 0 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(47, 158, 133, 0.08);
  border: 1px solid rgba(47, 158, 133, 0.2);
  color: var(--ink);
}

.viewer-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
  font-size: 0.95rem;
}

.viewer-content table th,
.viewer-content table td {
  border: 1px solid rgba(11, 27, 43, 0.1);
  padding: 10px 12px;
  text-align: left;
}

.viewer-content table th {
  background: rgba(47, 158, 133, 0.12);
  font-weight: 700;
}

.notice {
  background: rgba(240, 180, 77, 0.18);
  border: 1px solid rgba(240, 180, 77, 0.5);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: #7a4a00;
}

.table-list {
  display: grid;
  gap: 12px;
}

/* Label takes only needed width so description gets maximum space and doesn't narrow-wrap */
.table-list > div,
.table-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 20px;
  align-items: baseline;
}

.table-list > div > span,
.table-list > li > span {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.table-list > div > div,
.table-list > li > div {
  min-width: 0;
}

.interest-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.interest-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.interest-form input,
.interest-form textarea,
.interest-form select {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(11, 27, 43, 0.15);
  padding: 10px 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.9);
}

.interest-form textarea {
  min-height: 110px;
  resize: vertical;
}

.interest-form .field {
  margin-bottom: 14px;
}

.interest-form .inline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.interest-list {
  display: grid;
  gap: 12px;
}

.interest-card {
  background: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid rgba(11, 27, 43, 0.1);
}

.interest-card h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.interest-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(224, 108, 71, 0.18), rgba(47, 158, 133, 0.18));
  border: 1px solid rgba(47, 158, 133, 0.3);
  color: var(--accent-2);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.interest-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .hero {
    padding-top: 12px;
  }

  .hero-wide {
    padding-bottom: 48px;
  }

  .hero-wide-content {
    max-width: 100%;
    padding: 20px 22px;
  }

  .loop-orbit {
    opacity: 0.6;
  }

  .hero-wide-panels {
    grid-template-columns: 1fr;
  }

  .hero-top {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 180px;
  }

  .viewer-hero {
    padding: 18px;
    align-items: flex-start;
  }

  .viewer-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .viewer-content {
    padding: 20px;
  }

  .table-list > div,
  .table-list > li {
    grid-template-columns: 1fr;
  }

  .content-panel {
    padding: 18px;
  }
}

@media (max-width: 960px) {
  .site-header,
  header[data-site-header] {
    --header-edge-space: var(--gutter);
    --nav-pill-height: 48px;
    --nav-item-px: 16px;
  }

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

  :root {
    --header-h: 94px;
  }

  .site-header,
  header[data-site-header] {
    padding: 18px 0 12px;
  }

  .site-header .nav-container,
  header[data-site-header] .nav-container {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
  }

  .nav-controls {
    width: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
  }

  /* When mobile menu is open, span controls full width so dropdown has room */
  .nav-controls:has(.nav-bar[data-open="true"]) {
    grid-column: 1 / -1;
    width: 100%;
  }

  .nav-bar {
    order: 1;
    width: auto;
    flex-basis: auto;
    flex-direction: column;
    gap: 10px;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    padding: 0;
  }

  .nav-bar[data-open="true"] {
    width: 100%;
    flex-basis: 100%;
  }

  .nav-links {
    width: min(100%, 430px);
    margin-left: auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    border-radius: 28px;
    padding: 10px;
  }

  .nav-links[data-open="true"] {
    display: flex;
  }

  .nav-group {
    width: 100%;
  }

  .nav-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: stretch;
    gap: 8px;
  }

  .nav-section-link {
    justify-content: space-between;
    min-height: var(--nav-pill-height);
    padding: 0 var(--nav-item-px);
    background: rgba(255, 255, 255, 0.54);
    box-shadow: inset 0 0 0 1px rgba(11, 27, 43, 0.08);
  }

  .nav-link-caret {
    display: none;
  }

  .nav-group-toggle {
    display: inline-flex;
    width: var(--nav-pill-height);
    min-height: var(--nav-pill-height);
    background: rgba(255, 255, 255, 0.6);
  }

  .nav-group[data-mobile-open="true"] .nav-group-toggle,
  .nav-group-toggle.is-open {
    background: rgba(47, 158, 133, 0.18);
    color: var(--accent-2);
  }

  .nav-group[data-mobile-open="true"] .nav-group-toggle i,
  .nav-group-toggle.is-open i,
  .nav-group[data-mobile-open="true"] .nav-group-caret,
  .nav-group-toggle.is-open .nav-group-caret {
    transform: rotate(225deg);
  }

  .nav-menu {
    position: static;
    min-width: 0;
    max-height: 0;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    overflow: hidden;
    box-shadow: none;
    border: none;
    background: transparent;
    border-radius: 22px;
    padding: 0;
    margin-top: 0;
    transition:
      max-height 0.2s ease,
      padding 0.2s ease,
      margin-top 0.2s ease,
      background 0.2s ease,
      border-color 0.2s ease;
  }

  .nav-group[data-mobile-open="true"] .nav-menu {
    max-height: 480px;
    margin-top: 8px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.56);
    border: 1px solid rgba(11, 27, 43, 0.08);
  }

  .nav-menu-group:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }

  .nav-menu-group-label {
    padding: 6px 10px 2px;
    font-size: 0.65rem;
  }

  .nav-menu a {
    white-space: normal;
  }

  .nav-cta {
    min-height: var(--nav-pill-height);
    padding: 0 var(--nav-item-px);
  }

  .content-layout {
    grid-template-columns: 1fr;
  }

  .side-nav {
    position: static;
  }
}

/* ==========================================
   NEW DESIGN SYSTEM - Card Grid & Components
   ========================================== */

/* Card Grid System */
.card-grid {
  display: grid;
  gap: var(--space-6);
}

.card-grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card-grid--gap-sm {
  gap: var(--space-3);
}

.card-grid--gap-md {
  gap: var(--space-6);
}

.card-grid--gap-lg {
  gap: var(--space-8);
}

/* Enhanced Card Styles */
.card--default {
  background: rgba(255, 255, 255, 0.9);
}

.card--feature {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
  border-color: rgba(13, 148, 136, 0.2);
}

.card--feature:hover {
  border-color: rgba(13, 148, 136, 0.5);
}

.card--cta {
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.08), rgba(13, 148, 136, 0.08));
  border-color: rgba(234, 88, 12, 0.3);
}

.card--cta:hover {
  border-color: rgba(234, 88, 12, 0.6);
}

.card--sm {
  padding: var(--space-3) var(--space-4);
}

.card--md {
  padding: var(--space-4) var(--space-6);
}

.card--lg {
  padding: var(--space-6) var(--space-8);
}

.card-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-family: 'Fraunces', serif;
  color: var(--ink);
}

.card-description {
  margin: 0 0 var(--space-3);
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--accent);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: gap var(--duration-fast) var(--ease-out);
}

.card:hover .card-link {
  gap: var(--space-2);
}

/* Full-width content body */
.content-body--full {
  max-width: var(--page-max);
  margin: 0 auto;
}

/* Entrance Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Staggered Card Entrance */
.card-grid > * {
  animation: fadeInUp var(--duration-slow) var(--ease-out) backwards;
}

.card-grid > *:nth-child(1) { animation-delay: 0ms; }
.card-grid > *:nth-child(2) { animation-delay: 75ms; }
.card-grid > *:nth-child(3) { animation-delay: 150ms; }
.card-grid > *:nth-child(4) { animation-delay: 225ms; }
.card-grid > *:nth-child(5) { animation-delay: 300ms; }
.card-grid > *:nth-child(6) { animation-delay: 375ms; }

/* Enhanced card hover */
.card {
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
}

/* Quick Start Section */
.quick-start {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.quick-start-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-8) var(--space-6);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11, 27, 43, 0.1);
  text-align: left;
  text-decoration: none;
  color: var(--ink);
  transition: all var(--duration-normal) var(--ease-out);
}

.quick-start-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.18);
  border-color: var(--accent-2);
}

.quick-start-card .card-icon {
  position: static;
  width: 56px;
  height: 56px;
  margin: 0 0 var(--space-4);
  font-size: 24px;
  flex-shrink: 0;
}

.quick-start-card h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xl);
}

.quick-start-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 100%;
}

/* Key Concepts Section */
/* ============================================
   KEY CONCEPTS SHOWCASE
   ============================================ */

.kc-section {
  padding: 48px var(--gutter) 64px;
  max-width: var(--page-max);
  margin: 0 auto;
}

/* --- Header --- */
.kc-header {
  text-align: center;
  margin-bottom: 40px;
}

.kc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(13, 148, 136, 0.2);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.kc-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.kc-header-note {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin: 0;
}

.kc-header-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- Tab bar --- */
.kc-tabs {
  display: flex;
  gap: 4px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(11, 27, 43, 0.09);
  border-radius: 18px;
  margin-bottom: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.kc-tabs::-webkit-scrollbar {
  display: none;
}

.kc-tab {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border: none;
  border-radius: 12px;
  background: transparent;
  color: var(--ink-soft);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 150ms ease, background 150ms ease;
  white-space: nowrap;
  overflow: hidden;
}

.kc-tab-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  opacity: 0.5;
  transition: opacity 150ms ease;
}

.kc-tab-name {
  font-weight: 600;
}

.kc-tab:hover:not(.is-active) {
  background: rgba(11, 27, 43, 0.05);
  color: var(--ink);
}

.kc-tab.is-active {
  background: var(--ink);
  color: var(--paper);
}

.kc-tab.is-active .kc-tab-num {
  opacity: 0.6;
  color: var(--accent-2);
}

/* Progress bar at bottom of active tab */
.kc-tab-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  border-radius: 1px;
  background: var(--accent-2);
  animation: kcBarFill 6s linear forwards;
}

.kc-showcase[data-paused="true"] .kc-tab-bar {
  animation-play-state: paused;
}

@keyframes kcBarFill {
  to { width: 100%; }
}

/* --- Main Panel --- */
.kc-panel {
  display: grid;
  grid-template-columns: 3fr 2fr;
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 2px 4px rgba(11, 27, 43, 0.04),
    0 8px 24px rgba(11, 27, 43, 0.1),
    0 32px 64px rgba(11, 27, 43, 0.12);
  min-height: 460px;
  animation: kcPanelIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes kcPanelIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Left: illustration */
.kc-panel-media {
  position: relative;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 32px;
}

.kc-panel-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 8px;
  animation: kcImgIn 0.55s 0.05s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes kcImgIn {
  from {
    opacity: 0;
    transform: scale(1.04) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Subtle gradient vignette on right edge to blend into dark content panel */
.kc-panel-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 70%, rgba(15, 23, 42, 0.08) 100%);
  pointer-events: none;
}

/* Right: content */
.kc-panel-content {
  background: var(--ink);
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

.kc-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  animation: kcContentIn 0.4s 0.08s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.kc-panel-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--accent-2);
  line-height: 1;
}

.kc-panel-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
}

.kc-panel-name {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  animation: kcContentIn 0.4s 0.13s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.kc-panel-subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-2);
  margin: 0 0 20px;
  letter-spacing: 0.01em;
  animation: kcContentIn 0.4s 0.18s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.kc-panel-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin: 0 0 32px;
  max-width: 38ch;
  animation: kcContentIn 0.4s 0.23s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.kc-panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid rgba(13, 148, 136, 0.35);
  color: var(--accent-2);
  padding: 12px 22px;
  border-radius: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  width: fit-content;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
  animation: kcContentIn 0.4s 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.kc-panel-cta:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
  transform: translateY(-2px);
}

.kc-panel-cta svg {
  transition: transform 180ms ease;
}

.kc-panel-cta:hover svg {
  transform: translateX(3px);
}

@keyframes kcContentIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Navigation dots (mobile) --- */
.kc-nav-dots {
  display: none;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.kc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(11, 27, 43, 0.15);
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}

.kc-dot.is-active {
  background: var(--ink);
  transform: scale(1.25);
}

/* ============================================
   LEGACY concept-card (kept for non-homepage use)
   ============================================ */

.concepts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.concept-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11, 27, 43, 0.1);
  padding: var(--space-8);
  box-shadow: 0 12px 32px rgba(11, 27, 43, 0.08);
}

.concept-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.12), rgba(234, 88, 12, 0.08));
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
}

.concept-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.concept-icon i {
  font-size: 32px;
  color: var(--accent-2);
}

.concept-card h3 {
  font-family: 'Fraunces', serif;
  font-size: var(--text-xl);
  margin: 0 0 var(--space-3);
  color: var(--ink);
}

.concept-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
  font-size: var(--text-base);
}

.concept-card p strong {
  color: var(--ink);
  font-weight: 600;
}

.concept-card a {
  display: inline-block;
  margin-top: var(--space-4);
  color: var(--accent);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
}

.concept-card a:hover {
  text-decoration: underline;
}

/* Tablet: 2 columns for Key Concepts (legacy) */
@media (max-width: 900px) and (min-width: 601px) {
  .concepts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile: single column (legacy) */
@media (max-width: 600px) {
  .concepts-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Key Concepts Showcase — Tablet --- */
@media (max-width: 900px) {
  .kc-panel {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .kc-panel-media {
    aspect-ratio: 16 / 9;
    padding: 20px;
  }

  .kc-panel-content {
    padding: 36px 32px;
  }

  .kc-panel-shimmer {
    background: linear-gradient(180deg, transparent 70%, rgba(15, 23, 42, 0.08) 100%);
  }

  .kc-panel-desc {
    max-width: none;
  }

  .kc-nav-dots {
    display: flex;
  }
}

/* --- Key Concepts Showcase — Mobile --- */
@media (max-width: 600px) {
  .kc-section {
    padding: 36px var(--gutter) 48px;
  }

  .kc-tabs {
    padding: 4px;
    border-radius: 14px;
    gap: 2px;
  }

  .kc-tab {
    padding: 8px 10px;
    font-size: 0.75rem;
    border-radius: 10px;
    flex: none;
  }

  .kc-tab-num {
    display: none;
  }

  .kc-panel {
    border-radius: 20px;
  }

  .kc-panel-media {
    padding: 16px;
  }

  .kc-panel-content {
    padding: 28px 24px;
  }

  .kc-panel-num {
    font-size: 1.6rem;
  }

  .kc-panel-name {
    font-size: 1.5rem;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .kc-panel,
  .kc-panel-img,
  .kc-meta-row,
  .kc-panel-name,
  .kc-panel-subtitle,
  .kc-panel-desc,
  .kc-panel-cta {
    animation: none;
  }

  .kc-tab-bar {
    animation: none;
    width: 100%;
  }
}

/* Flow Explainer */
.flow-explainer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-6);
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11, 27, 43, 0.08);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-4);
}

.flow-step-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.2), rgba(13, 148, 136, 0.05));
  border: 2px solid rgba(13, 148, 136, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
  font-size: 20px;
}

.flow-step-title {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--ink);
}

.flow-step-desc {
  font-size: var(--text-xs);
  color: var(--ink-soft);
}

.flow-arrow {
  color: var(--ink-soft);
  font-size: 20px;
  opacity: 0.5;
}

/* ==========================================
   ENHANCED RESPONSIVE BREAKPOINTS
   ========================================== */

/* Small mobile */
@media (max-width: 480px) {
  .hero-wide-content h2 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .card-grid--2,
  .card-grid--3,
  .card-grid--4 {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
    gap: var(--space-3);
  }

  .cta-row .button {
    width: 100%;
    justify-content: center;
  }

  .quick-start {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .flow-explainer {
    flex-direction: column;
    gap: var(--space-6);
  }

  .flow-arrow {
    transform: rotate(90deg);
  }
}

/* Tablet portrait: Get Started 2 cols; card grids 2 cols; flow 2x2 */
@media (max-width: 768px) and (min-width: 481px) {
  .quick-start {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid--3,
  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-explainer {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .flow-arrow {
    display: none;
  }
}


/* Tablet landscape / small desktop */
@media (min-width: 1024px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Large desktop */
@media (min-width: 1280px) {
  :root {
    --page-max: 1240px;
  }
}

/* Extra large desktop */
@media (min-width: 1536px) {
  :root {
    --page-max: 1320px;
    --gutter: 72px;
  }
}

/* Ultrawide */
@media (min-width: 1920px) {
  :root {
    --page-max: 1400px;
    --gutter: 80px;
  }

  .hero-top {
    grid-template-columns: 1fr 1fr;
  }

  .card-grid--auto {
    grid-template-columns: repeat(4, 1fr);
  }

  .content-layout {
    grid-template-columns: 280px 1fr;
  }

  .hero-wide-content {
    max-width: 800px;
  }
}

/* ==========================================
   NEW SITE HEADER
   ========================================== */

/* Header styles are consolidated near the top of the file. */

/* ==========================================
   404 NOT FOUND
   ========================================== */

.not-found-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--gutter);
  padding-top: calc(var(--space-16) + var(--header-h));
  margin-top: calc(-1 * var(--header-h));
  overflow: hidden;
  text-align: center;
}

.not-found-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.not-found-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.not-found-code {
  font-family: 'Fraunces', serif;
  font-size: clamp(6rem, 18vw, 12rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.03em;
  opacity: 0.35;
  user-select: none;
}

.not-found-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.not-found-desc {
  color: var(--ink-soft);
  font-size: var(--text-lg);
  margin: 0 0 var(--space-4);
  max-width: 40ch;
}

/* ==========================================
   NEW HERO SECTION
   ========================================== */

.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--gutter);
  padding-top: calc(var(--space-16) + var(--header-h));
  margin-top: calc(-1 * var(--header-h));
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(47, 158, 133, 0.15), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(224, 108, 71, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(240, 180, 77, 0.1), transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 27, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 27, 43, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(47, 158, 133, 0.12);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.hero-badge i {
  font-size: 14px;
}

.hero-title {
  margin: 0 0 var(--space-6);
  font-family: 'Fraunces', serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  margin: 0 0 var(--space-8);
  font-size: var(--text-lg);
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.hero-stat-value {
  font-family: 'Fraunces', serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--ink);
}

.hero-stat-value i {
  font-size: 12px;
  color: var(--accent-2);
}

.hero-stat-value[data-api-status-indicator] {
  font-size: var(--text-lg);
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.hero-stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(11, 27, 43, 0.12);
}

.hero-visual {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.hero-loop-icon {
  position: absolute;
  right: 12%;
  top: 50%;
  transform: translateY(-50%);
  width: 280px;
  height: 280px;
  display: grid;
  place-items: center;
}

.hero-loop-icon img {
  width: 260px;
  height: 260px;
  object-fit: contain;
  animation: loopPulse 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 50px rgba(13, 148, 136, 0.4));
}

/* Infinity loop paths - flowing abstract shapes */
.hero-orbit {
  position: absolute;
  border-radius: 50%;
  border: none;
  opacity: 0.6;
}

.hero-orbit-1 {
  width: 600px;
  height: 300px;
  right: -10%;
  top: 20%;
  background: linear-gradient(135deg, transparent 30%, rgba(13, 148, 136, 0.25) 50%, transparent 70%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: infinityFlow1 12s ease-in-out infinite;
  filter: blur(1px);
}

.hero-orbit-2 {
  width: 500px;
  height: 250px;
  right: 5%;
  top: 35%;
  background: linear-gradient(225deg, transparent 30%, rgba(234, 88, 12, 0.2) 50%, transparent 70%);
  border-radius: 40% 60% 60% 40% / 50% 50% 50% 50%;
  animation: infinityFlow2 15s ease-in-out infinite;
  filter: blur(2px);
}

.hero-orbit-3 {
  width: 700px;
  height: 350px;
  right: -5%;
  top: 10%;
  background: linear-gradient(180deg, transparent 25%, rgba(234, 179, 8, 0.18) 50%, transparent 75%);
  border-radius: 60% 40% 40% 60% / 50% 60% 40% 50%;
  animation: infinityFlow3 18s ease-in-out infinite;
  filter: blur(2px);
}

/* Flowing infinity animations */
@keyframes infinityFlow1 {
  0%, 100% {
    transform: translateX(0) translateY(0) rotate(0deg) scale(1);
    opacity: 0.4;
  }
  25% {
    transform: translateX(-30px) translateY(20px) rotate(5deg) scale(1.05);
    opacity: 0.5;
  }
  50% {
    transform: translateX(-50px) translateY(0) rotate(0deg) scale(1.1);
    opacity: 0.45;
  }
  75% {
    transform: translateX(-20px) translateY(-20px) rotate(-5deg) scale(1.02);
    opacity: 0.35;
  }
}

@keyframes infinityFlow2 {
  0%, 100% {
    transform: translateX(0) translateY(0) rotate(0deg) scale(1);
    opacity: 0.35;
  }
  33% {
    transform: translateX(40px) translateY(-30px) rotate(-8deg) scale(1.08);
    opacity: 0.45;
  }
  66% {
    transform: translateX(20px) translateY(30px) rotate(5deg) scale(0.95);
    opacity: 0.4;
  }
}

@keyframes infinityFlow3 {
  0%, 100% {
    transform: translateX(0) translateY(0) rotate(0deg) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translateX(-60px) translateY(40px) rotate(10deg) scale(1.15);
    opacity: 0.4;
  }
}

/* Additional flowing elements */
.hero-visual::before,
.hero-visual::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  animation: blobFloat 20s ease-in-out infinite;
}

.hero-visual::before {
  width: 500px;
  height: 500px;
  right: 5%;
  top: 5%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.3) 0%, transparent 65%);
  animation-delay: -5s;
}

.hero-visual::after {
  width: 450px;
  height: 450px;
  right: 20%;
  bottom: 5%;
  background: radial-gradient(circle, rgba(234, 88, 12, 0.22) 0%, transparent 65%);
  animation-delay: -10s;
}

@keyframes blobFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -20px) scale(1.1);
  }
  50% {
    transform: translate(-20px, 30px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -10px) scale(1.05);
  }
}

/* Section Title */
.section-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ink);
  text-align: center;
  margin: 0 0 var(--space-8);
}

/* CTA Panel */
.cta-section {
  width: 100%;
  padding: 0;
}

.cta-panel {
  text-align: center;
  padding: var(--space-16) var(--gutter);
  background: linear-gradient(135deg, rgba(47, 158, 133, 0.1), rgba(224, 108, 71, 0.08));
  border-top: 1px solid rgba(47, 158, 133, 0.15);
  border-bottom: 1px solid rgba(47, 158, 133, 0.15);
}

.cta-panel h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 var(--space-4);
  color: var(--ink);
}

.cta-panel p {
  margin: 0 0 var(--space-6);
  color: var(--ink-soft);
  font-size: var(--text-lg);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-panel .cta-row {
  justify-content: center;
}

/* ==========================================
   HEADER/HERO RESPONSIVE
   ========================================== */

@media (max-width: 960px) {
  .hero-loop-icon {
    right: -8%;
    width: 200px;
    height: 200px;
    opacity: 0.35;
  }

  .hero-loop-icon img {
    width: 180px;
    height: 180px;
  }

  .hero-orbit-1,
  .hero-orbit-2,
  .hero-orbit-3 {
    opacity: 0.2;
  }
}

@media (max-width: 720px) {
  .nav-controls {
    width: auto;
  }

  .nav-links {
    width: 100%;
  }

  .hero-loop-icon {
    right: -15%;
    width: 160px;
    height: 160px;
    opacity: 0.28;
  }

  .hero-loop-icon img {
    width: 140px;
    height: 140px;
  }

  .hero-section {
    min-height: 70vh;
    padding: var(--space-12) var(--gutter);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .hero-stat-divider {
    width: 48px;
    height: 1px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .button {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .nav-wordmark {
    font-size: 1.1rem;
  }

  .nav-subtitle {
    font-size: 0.68rem;
  }

  .nav-cta span {
    display: none;
  }

  .nav-cta {
    width: 46px;
    padding: 0;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 5px 12px;
  }

  .hero-title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .hero-description {
    font-size: var(--text-base);
  }
}

/* Large screens - enhanced hero */
@media (min-width: 1280px) {
  .hero-section {
    justify-content: flex-start;
    padding-left: calc(var(--gutter) + 5%);
  }

  .hero-content {
    text-align: left;
    max-width: 600px;
  }

  .hero-description {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .hero-stats {
    justify-content: flex-start;
  }

  .hero-loop-icon {
    right: 10%;
  }

  .hero-loop-icon img {
    width: 300px;
    height: 300px;
  }
}

@media (min-width: 1536px) {
  .hero-loop-icon {
    right: 12%;
  }

  .hero-loop-icon img {
    width: 350px;
    height: 350px;
  }
}

/* Accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ──────────────────────────────────────────────────────────────
   Inline Markdown Document (.markdown-doc)
   Renders protocol docs inline as seamless content panels
   ────────────────────────────────────────────────────────────── */

.markdown-doc {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fg-muted);
  overflow-wrap: break-word;
}

.markdown-doc h1,
.markdown-doc h2,
.markdown-doc h3,
.markdown-doc h4,
.markdown-doc h5,
.markdown-doc h6 {
  color: var(--fg);
  font-weight: 700;
  line-height: 1.3;
  margin: 1.75rem 0 0.5rem;
}

.markdown-doc h1 { font-size: 1.5rem; }
.markdown-doc h2 {
  font-size: 1.25rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
}
.markdown-doc h3 { font-size: 1.0625rem; }
.markdown-doc h4 { font-size: 0.9375rem; }

.markdown-doc h1:first-child,
.markdown-doc h2:first-child,
.markdown-doc h3:first-child {
  margin-top: 0;
}

.markdown-doc p {
  margin: 0.75rem 0;
}

.markdown-doc a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.markdown-doc a:hover {
  color: var(--accent-2);
}

.markdown-doc ul,
.markdown-doc ol {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}

.markdown-doc li {
  margin: 0.35rem 0;
}

.markdown-doc blockquote {
  border-left: 3px solid var(--accent-2);
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  background: rgba(47, 158, 133, 0.07);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--fg-muted);
}

.markdown-doc blockquote p {
  margin: 0;
}

.markdown-doc code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.875em;
  background: rgba(0, 0, 0, 0.06);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--fg);
}

.markdown-doc pre {
  margin: 1rem 0;
  border-radius: var(--radius);
  overflow-x: auto;
}

.markdown-doc pre code {
  background: transparent;
  padding: 0;
  font-size: 0.8125rem;
  color: inherit;
}

.markdown-doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 1rem 0;
}

.markdown-doc th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.04);
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  color: var(--fg);
}

.markdown-doc td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.markdown-doc tr:last-child td {
  border-bottom: none;
}

.markdown-doc hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.markdown-doc img {
  max-width: 100%;
  border-radius: var(--radius);
}

/* Mermaid diagram block */
.mermaid-block {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  padding: 1rem 0;
}

.mermaid-block svg {
  max-width: 100%;
  height: auto;
}

/* ==========================================
   DEMO CITY PORTAL
   ========================================== */

.demo-city-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.demo-city-header h2 {
  margin: 0;
}

.demo-city-identity {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.demo-node-id {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  color: var(--ink-soft);
  background: rgba(11, 27, 43, 0.06);
  padding: 2px 8px;
  border-radius: 4px;
}

.demo-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(234, 88, 12, 0.1);
  border: 1px solid rgba(234, 88, 12, 0.3);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.demo-heartbeat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 12px;
  border: 1px solid rgba(11, 27, 43, 0.12);
  background: rgba(11, 27, 43, 0.04);
  color: var(--ink-soft);
}

.demo-heartbeat-live {
  background: rgba(22, 163, 74, 0.07);
  border-color: rgba(22, 163, 74, 0.25);
  color: #14532d;
}

.demo-heartbeat-offline {
  background: rgba(220, 38, 38, 0.07);
  border-color: rgba(220, 38, 38, 0.25);
  color: #7f1d1d;
}

.demo-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.demo-status-dot-live {
  background: #16a34a;
  animation: demo-dot-pulse 2s infinite;
}

.demo-status-dot-offline {
  background: #dc2626;
}

@keyframes demo-dot-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(22,163,74,0.45); }
  70%  { box-shadow: 0 0 0 6px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}

/* Stats grid */
.demo-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 4px;
}

.demo-stat-card {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(11,27,43,0.1);
  border-radius: var(--radius-sm);
  padding: 18px 12px;
  text-align: center;
  box-shadow: 0 4px 12px var(--shadow-soft);
}

.demo-stat-value {
  display: block;
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}

.demo-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Filter buttons */
.demo-filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.demo-filter-btn {
  padding: 5px 14px;
  border: 1px solid rgba(11,27,43,0.15);
  border-radius: 999px;
  background: rgba(255,255,255,0.85);
  font-size: 0.84rem;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all 0.15s ease;
  font-family: inherit;
}

.demo-filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.demo-filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Tab buttons */
.demo-tab-row {
  display: flex;
  gap: 0;
  margin-bottom: 14px;
  border-bottom: 2px solid rgba(11,27,43,0.1);
}

.demo-tab-btn {
  padding: 8px 18px;
  border: none;
  background: none;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
  font-family: inherit;
}

.demo-tab-btn:hover { color: var(--ink); }
.demo-tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* Data tables */
.demo-table-wrap { overflow-x: auto; }

.demo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.demo-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid rgba(11,27,43,0.12);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.demo-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(11,27,43,0.06);
  color: var(--ink);
  vertical-align: middle;
}

.demo-table tr:last-child td { border-bottom: none; }
.demo-table tr:hover td { background: rgba(11,27,43,0.02); }

.demo-id {
  font-family: 'IBM Plex Mono', monospace !important;
  font-size: 0.76rem !important;
  color: var(--ink-soft) !important;
  word-break: break-all;
}

.demo-unit { color: var(--ink-soft); font-size: 0.8em; }

.demo-table-note {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 8px;
  text-align: right;
}

/* Status badges */
.demo-status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.demo-status-open       { background: rgba(22,163,74,0.12);   color: #14532d; }
.demo-status-proposed   { background: rgba(234,179,8,0.15);   color: #713f12; }
.demo-status-accepted   { background: rgba(37,99,235,0.1);    color: #1e3a8a; }
.demo-status-completed  { background: rgba(139,92,246,0.1);   color: #4c1d95; }
.demo-status-scheduled  { background: rgba(8,145,178,0.1);    color: #0c4a6e; }
.demo-status-cancelled  { background: rgba(220,38,38,0.1);    color: #7f1d1d; }
.demo-status-rejected   { background: rgba(220,38,38,0.1);    color: #7f1d1d; }
.demo-status-unknown    { background: rgba(11,27,43,0.08);    color: var(--ink-soft); }

/* Live event stream */
.demo-stream {
  min-height: 140px;
  max-height: 300px;
  overflow-y: auto;
  background: rgba(15,23,42,0.04);
  border: 1px solid rgba(11,27,43,0.1);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
}

.demo-stream-idle {
  color: var(--ink-soft);
  font-style: italic;
}

.demo-stream-entry {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 3px 0;
  border-bottom: 1px solid rgba(11,27,43,0.05);
  animation: stream-in 0.25s ease;
}

@keyframes stream-in {
  from { opacity: 0; transform: translateY(-3px); }
  to   { opacity: 1; transform: translateY(0); }
}

.demo-stream-time  { color: var(--ink-soft); flex-shrink: 0; font-size: 0.74rem; }
.demo-stream-event { color: var(--accent-2); font-weight: 600; flex-shrink: 0; }
.demo-stream-id    { color: var(--ink-soft); word-break: break-all; }
.demo-stream-note  { color: var(--ink-soft); font-size: 0.74rem; margin-top: 6px; font-style: italic; }

/* Notice variants */
.notice-success {
  background: rgba(22,163,74,0.08);
  border: 1px solid rgba(22,163,74,0.3);
  color: #14532d;
}

.notice-error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.28);
  color: #7f1d1d;
}

/* LoopSignal panel */
.demo-signal-list { display: flex; flex-direction: column; gap: 0; }

.demo-signal-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(11,27,43,0.06);
}

.demo-signal-row:last-child { border-bottom: none; }
.demo-signal-label { flex: 1; font-size: 0.9rem; }

.demo-signal-bar {
  width: 100px;
  height: 6px;
  background: rgba(11,27,43,0.1);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.demo-signal-fill {
  height: 100%;
  background: var(--accent-2);
  border-radius: 3px;
  transition: width 0.6s ease;
}

.demo-signal-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

@media (max-width: 700px) {
  .demo-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-city-header { flex-direction: column; align-items: flex-start; }
}