:root {
  --font-heading: "Plus Jakarta Sans", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "Inter", sans-serif;
  --color-primary: #0d1b2a;
  --color-accent: #00c9a7;
  --color-accent-soft: rgba(0, 201, 167, 0.18);
  --color-secondary: #a78bfa;
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-strong: #243247;
  --color-surface-soft: rgba(30, 41, 59, 0.68);
  --color-border: rgba(148, 163, 184, 0.18);
  --color-text: #f8fafc;
  --color-muted: #94a3b8;
  --color-highlight: #f59e0b;
  --color-danger: #f97316;
  --shadow-lg: 0 24px 70px rgba(2, 6, 23, 0.45);
  --shadow-md: 0 18px 40px rgba(2, 6, 23, 0.3);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --nav-height: 84px;
  --container: min(1160px, calc(100% - 2rem));
  --transition: 260ms ease;
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background:
    radial-gradient(circle at top left, rgba(167, 139, 250, 0.12), transparent 34%),
    radial-gradient(circle at 82% 18%, rgba(0, 201, 167, 0.14), transparent 26%),
    linear-gradient(180deg, #09111f 0%, #0f172a 30%, #121d32 100%);
  min-height: 100vh;
  overflow-x: hidden;
  opacity: 1;
  transition: opacity 320ms ease, transform 320ms ease;
}

body.is-leaving {
  opacity: 0;
  transform: translateY(10px);
}

body.menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

p {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.8;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  font-size: clamp(1.4rem, 2vw, 2rem);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.site-shell {
  position: relative;
  isolation: isolate;
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(130deg, rgba(0, 201, 167, 0.08), transparent 28%),
    linear-gradient(315deg, rgba(167, 139, 250, 0.08), transparent 32%);
  pointer-events: none;
  z-index: -2;
}

.site-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.025) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.55;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(9, 17, 31, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 201, 167, 0.14);
  box-shadow: 0 1px 0 rgba(0, 201, 167, 0.06), 0 20px 40px rgba(2, 6, 23, 0.3);
}

.navbar {
  width: var(--container);
  min-height: var(--nav-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand-mark {
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(145deg, rgba(0, 201, 167, 0.22), rgba(167, 139, 250, 0.18)),
    rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(0, 201, 167, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand-mark span {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.85rem;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  white-space: nowrap;
  background: linear-gradient(92deg, #f8fafc 0%, #d8fff5 55%, #c8bdfb 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0.85;
}

.nav-toggle {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.65);
}

.nav-toggle span {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-links {
  position: fixed;
  inset: 0;
  padding: calc(var(--nav-height) + 2rem) 1.5rem 2rem;
  background:
    radial-gradient(circle at top right, rgba(0, 201, 167, 0.14), transparent 24%),
    linear-gradient(180deg, rgba(9, 17, 31, 0.96), rgba(15, 23, 42, 0.98));
  backdrop-filter: blur(16px);
  display: grid;
  align-content: start;
  gap: 0.35rem;
  transform: translateY(-102%);
  transition: transform var(--transition);
}

.menu-open .nav-links {
  transform: translateY(0);
}

.nav-links a {
  position: relative;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  font-weight: 600;
  color: rgba(248, 250, 252, 0.82);
  transition: background var(--transition), color var(--transition), transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 1.15rem;
  right: 1.15rem;
  bottom: 0.7rem;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--color-accent), rgba(167, 139, 250, 0.9));
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.is-active {
  background: rgba(30, 41, 59, 0.78);
  color: var(--color-text);
  border-color: rgba(0, 201, 167, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transform: translateX(4px);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.page-main {
  padding-top: var(--nav-height);
}

.page-section {
  position: relative;
  width: var(--container);
  margin: 0 auto;
  padding: clamp(4.5rem, 7vw, 7rem) 0;
}

.section-header {
  max-width: 50rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow::before {
  content: "";
  width: 1.8rem;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.lede {
  max-width: 44rem;
  font-size: 1.08rem;
}

.hero {
  min-height: calc(100vh - 1rem);
  display: grid;
  align-items: center;
  padding-top: clamp(2rem, 7vw, 5rem);
  overflow: hidden;
}

.hero::selection {
  background: rgba(0, 201, 167, 0.22);
}

.hero .hero-copy,
.hero .hero-stats {
  position: relative;
  z-index: 1;
}

.hero > .hero-grid::before {
  content: "";
  position: absolute;
  inset: 6% -10% 2% -10%;
  border-radius: 40px;
  background:
    linear-gradient(120deg, rgba(13, 27, 42, 0.96), rgba(0, 201, 167, 0.12), rgba(167, 139, 250, 0.18), rgba(13, 27, 42, 0.96));
  background-size: 220% 220%;
  opacity: 0.9;
  filter: blur(18px);
  animation: heroGradientShift 16s ease infinite;
  z-index: 0;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.7;
  pointer-events: none;
}

.hero::before {
  top: 11%;
  left: -8%;
  width: 16rem;
  height: 16rem;
  background: rgba(0, 201, 167, 0.18);
}

.hero::after {
  right: -4%;
  bottom: 4%;
  width: 20rem;
  height: 20rem;
  background: rgba(167, 139, 250, 0.14);
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-card,
.glass-card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.82), rgba(15, 23, 42, 0.8));
  border: 1px solid var(--color-border);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.hero-card::before,
.glass-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 201, 167, 0.55), rgba(167, 139, 250, 0.28), transparent 70%);
  pointer-events: none;
}

.hero-card {
  padding: clamp(1.6rem, 2vw, 2rem);
}

.hero-title {
  max-width: 15ch;
  min-height: 4.4lh;
  margin-bottom: 1.25rem;
}

.hero-title .cursor {
  display: inline-block;
  width: 0.08em;
  margin-left: 0.12em;
  background: var(--color-accent);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes heroGradientShift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.6rem 0;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: rgba(248, 250, 252, 0.92);
  font-size: 0.94rem;
}

.institution-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1.1rem;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid rgba(0, 201, 167, 0.18);
}

.institution-logo {
  width: 3rem;
  height: 3rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(0, 201, 167, 0.2), rgba(167, 139, 250, 0.18));
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

.institution-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3.2rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 380ms var(--spring), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.button-primary {
  background: linear-gradient(135deg, var(--color-accent), #07b3ca);
  color: #041019;
  box-shadow: 0 18px 28px rgba(0, 201, 167, 0.22);
}

.button-secondary {
  background: rgba(15, 23, 42, 0.64);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.button:hover,
.button:focus-visible {
  transform: scale(1.03);
  box-shadow: 0 20px 40px rgba(2, 6, 23, 0.24);
}

.card-hover:hover,
.card-hover:focus-within {
  transform: translateY(-5px);
}

.hero-stats {
  display: grid;
  gap: 1rem;
}

.stat-card {
  padding: 1.35rem;
  min-height: 10rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.stat-card::after {
  content: "";
  position: absolute;
  inset: auto 1.35rem 0.95rem 1.35rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 201, 167, 0.55), transparent);
  opacity: 0.7;
}

.stat-label {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  color: rgba(248, 250, 252, 0.75);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  margin-bottom: 0.85rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-family: var(--font-heading);
  color: var(--color-highlight);
}

.stat-copy {
  font-size: 0.98rem;
}

.scroll-cue {
  margin-top: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: rgba(248, 250, 252, 0.72);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0, 201, 167, 0.24);
  background: rgba(15, 23, 42, 0.56);
  animation: floatArrow 1.7s ease-in-out infinite;
}

@keyframes floatArrow {
  50% {
    transform: translateY(6px);
  }
}

.overview-grid,
.card-grid,
.two-column,
.discussion-layout,
.future-grid {
  display: grid;
  gap: 1.5rem;
}

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

.feature-card,
.content-card,
.callout-card,
.summary-card,
.timeline-panel,
.future-card,
.criteria-table-wrap,
.table-wrap,
.accordion-item,
.tab-panel,
.mechanism-card,
.abstract-panel,
.step-card,
.flip-card-inner {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.82), rgba(15, 23, 42, 0.85));
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.feature-card,
.content-card,
.callout-card,
.summary-card,
.timeline-panel,
.future-card,
.mechanism-card,
.abstract-panel,
.step-card,
.tab-panel {
  padding: 1.5rem;
}

.feature-card,
.content-card,
.callout-card,
.summary-card,
.timeline-panel,
.future-card,
.criteria-table-wrap,
.table-wrap,
.accordion-item,
.tab-panel,
.mechanism-card,
.abstract-panel,
.step-card,
.page-intro-card,
.metric,
.sub-card,
.institution-badge {
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.card-hover:hover,
.card-hover:focus-within,
.metric:hover,
.sub-card:hover,
.institution-badge:hover,
.accordion-item:hover,
.tab-button:hover {
  border-color: rgba(0, 201, 167, 0.2);
  box-shadow: 0 24px 50px rgba(2, 6, 23, 0.34);
}

.feature-card h3,
.content-card h3,
.timeline-panel h3,
.mechanism-card h3,
.future-card h3,
.step-card h3,
.tab-panel h3 {
  margin-bottom: 0.65rem;
}

.feature-card p:last-child,
.content-card p:last-child,
.timeline-panel p:last-child,
.mechanism-card p:last-child,
.future-card p:last-child,
.tab-panel p:last-child,
.accordion-body p:last-child {
  margin-bottom: 0;
}

.section-note {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.12);
  color: #fcd34d;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.abstract-page .section-header,
.methods-page .section-header,
.results-page .section-header,
.discussion-page .section-header {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.abstract-layout {
  display: grid;
  gap: 1.25rem;
}

.abstract-panel {
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.feature-card::after,
.mechanism-card::after,
.future-card::after,
.step-card::after,
.page-intro-card::after,
.summary-card::after,
.timeline-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(0, 201, 167, 0.08), transparent 34%);
  pointer-events: none;
}

.abstract-panel::before {
  content: "";
  position: absolute;
  inset: 1.1rem auto 1.1rem 0;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--color-accent), rgba(167, 139, 250, 0.9));
  box-shadow: 0 0 18px rgba(0, 201, 167, 0.4);
}

.abstract-panel-content {
  padding-left: 1rem;
}

.panel-label {
  margin-bottom: 0.85rem;
  display: inline-flex;
  padding: 0.4rem 0.72rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.66);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.key-takeaway {
  border: 1px solid rgba(245, 158, 11, 0.25);
  background:
    linear-gradient(180deg, rgba(245, 158, 11, 0.1), rgba(15, 23, 42, 0.82)),
    linear-gradient(180deg, rgba(30, 41, 59, 0.82), rgba(15, 23, 42, 0.85));
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 201, 167, 0.9), rgba(167, 139, 250, 0.65));
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
}

.timeline-dot {
  position: absolute;
  top: 1.15rem;
  left: 0.4rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--color-accent), var(--color-secondary));
  box-shadow: 0 0 0 8px rgba(0, 201, 167, 0.08);
}

.sub-card-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.sub-card {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.sub-card strong,
.metric-value,
.table-highlight {
  color: var(--color-text);
}

.mechanism-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1rem;
}

.mechanism-card ul,
.step-card ul,
.tab-panel ul,
.summary-points,
.criteria-list,
.accordion-body ul {
  display: grid;
  gap: 0.7rem;
}

.mechanism-card li,
.step-card li,
.tab-panel li,
.summary-points li,
.criteria-list li,
.accordion-body li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.mechanism-card li::before,
.step-card li::before,
.tab-panel li::before,
.summary-points li::before,
.criteria-list li::before,
.accordion-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
}

.flip-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.flip-card {
  perspective: 1400px;
}

.flip-card-inner {
  position: relative;
  min-height: 20rem;
  padding: 0;
  transform-style: preserve-3d;
  transition: transform 650ms ease;
}

.flip-card:hover .flip-card-inner,
.flip-card:focus-within .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-face {
  position: absolute;
  inset: 0;
  padding: 1.5rem;
  border-radius: inherit;
  backface-visibility: hidden;
}

.flip-face.back {
  transform: rotateY(180deg);
  background:
    linear-gradient(180deg, rgba(167, 139, 250, 0.14), rgba(15, 23, 42, 0.92)),
    linear-gradient(180deg, rgba(30, 41, 59, 0.82), rgba(15, 23, 42, 0.85));
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.14);
  color: rgba(248, 250, 252, 0.78);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.steps-flow {
  position: relative;
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.steps-flow::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 2rem;
  bottom: 2rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 201, 167, 0.5), rgba(167, 139, 250, 0.45));
}

.step-card {
  position: relative;
  padding-left: 4.3rem;
}

.step-icon {
  position: absolute;
  top: 1.4rem;
  left: 1.2rem;
  width: 2rem;
  height: 2rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.22), rgba(167, 139, 250, 0.22));
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.criteria-table-wrap,
.table-wrap {
  overflow-x: auto;
}

th,
td {
  padding: 1rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

th {
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.75);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td {
  color: var(--color-muted);
  line-height: 1.7;
}

.criteria-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.62rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.criteria-badge.include {
  color: #6ee7b7;
  background: rgba(16, 185, 129, 0.12);
}

.criteria-badge.exclude {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.12);
}

.tabs-shell {
  display: grid;
  gap: 1.25rem;
}

.tabs-nav {
  display: grid;
  gap: 0.8rem;
}

.tab-button {
  padding: 1rem 1.1rem;
  text-align: left;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.66);
  border: 1px solid rgba(148, 163, 184, 0.14);
  color: rgba(248, 250, 252, 0.76);
  font-weight: 600;
  transition: background var(--transition), color var(--transition), transform var(--transition), border-color var(--transition);
}

.tab-button.is-active {
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.18), rgba(167, 139, 250, 0.1));
  border-color: rgba(0, 201, 167, 0.28);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.tab-panel {
  display: none;
  animation: tabSlide 380ms ease;
}

.tab-panel.is-active {
  display: block;
}

@keyframes tabSlide {
  from {
    opacity: 0;
    transform: translateX(12px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.table-wrap {
  margin-top: 2rem;
}

.discussion-layout {
  gap: 2rem;
}

.accordion {
  display: grid;
  gap: 1rem;
}

.accordion-item {
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  padding: 1.2rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-weight: 700;
}

.accordion-title {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.accordion-index {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.accordion-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.14);
  transition: transform var(--transition), background var(--transition);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(45deg);
  background: rgba(0, 201, 167, 0.12);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 340ms ease;
}

.accordion-body-inner {
  padding: 0 1.35rem 1.35rem;
}

.summary-card {
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.85), rgba(167, 139, 250, 0.65));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.summary-card p,
.summary-card li {
  position: relative;
}

.future-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 2rem;
}

.future-card {
  min-height: 100%;
}

.future-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  margin-bottom: 1rem;
  border-radius: 16px;
  background: rgba(0, 201, 167, 0.12);
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.metrics-row {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.metric {
  padding: 1.15rem 1.2rem;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.14);
  backdrop-filter: blur(10px);
}

.metric-label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  color: rgba(248, 250, 252, 0.74);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-value {
  font-size: 1.1rem;
  line-height: 1.6;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent), #0891b2);
  color: #041019;
  box-shadow: 0 18px 28px rgba(0, 201, 167, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  transform: translateY(-5px) scale(1.08);
}

.site-footer {
  position: relative;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  background:
    linear-gradient(180deg, rgba(0, 201, 167, 0.04), transparent 28%),
    rgba(9, 17, 31, 0.82);
  backdrop-filter: blur(16px);
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 201, 167, 0.48), rgba(167, 139, 250, 0.34), transparent);
}

.footer-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 2.2rem 0;
  display: grid;
  gap: 1.5rem;
}

.footer-copy h3 {
  margin-bottom: 0.6rem;
  font-size: 1.35rem;
  max-width: 28ch;
}

.footer-copy p {
  margin-bottom: 0.5rem;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-chip {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.14);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.social-chip:hover,
.social-chip:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(0, 201, 167, 0.26);
  background: rgba(0, 201, 167, 0.1);
}

.page-intro {
  padding-bottom: 1rem;
}

.page-intro-card {
  padding: clamp(1.5rem, 3vw, 2.1rem);
  background:
    radial-gradient(circle at top right, rgba(0, 201, 167, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(30, 41, 59, 0.84), rgba(15, 23, 42, 0.84));
}

.page-intro-grid {
  display: grid;
  gap: 1.5rem;
}

.micro-copy {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.accent-text {
  color: var(--color-accent);
}

.secondary-text {
  color: var(--color-secondary);
}

.highlight-text {
  color: var(--color-highlight);
}

.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;
}

@media (min-width: 720px) {
  .hero-grid {
    grid-template-columns: 1.3fr 0.9fr;
    align-items: end;
  }

  .page-intro-grid,
  .two-column,
  .discussion-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .mechanism-grid,
  .flip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metrics-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-flow::before {
    display: none;
  }

  .tabs-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: 1.4fr auto;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    inset: auto;
    padding: 0;
    transform: none;
    background: transparent;
    backdrop-filter: none;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.2rem;
    width: 100%;
  }

  .nav-links a {
    padding: 0.85rem 1rem;
    border-radius: 999px;
  }

  .nav-links a::after {
    left: 1rem;
    right: 1rem;
    bottom: 0.45rem;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible,
  .nav-links a.is-active {
    transform: none;
  }

  .page-intro-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .timeline {
    gap: 2rem;
  }

  .steps-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .step-card {
    padding-left: 1.5rem;
    padding-top: 4.1rem;
  }

  .step-icon {
    top: 1.3rem;
    left: 1.5rem;
  }

  .steps-flow::before {
    display: block;
    top: 2.4rem;
    left: 7%;
    right: 7%;
    width: auto;
    height: 2px;
    bottom: auto;
  }

  .tabs-shell {
    grid-template-columns: 320px 1fr;
    align-items: start;
  }

  .tabs-nav {
    grid-template-columns: 1fr;
    position: sticky;
    top: calc(var(--nav-height) + 1rem);
  }
}

@media (max-width: 719px) {
  .hero-title {
    min-height: 6lh;
  }

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

/* Custom Additions by Agent */

.brand-logo {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  flex-shrink: 0;
}

.brand-logo-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 0 12px rgba(0, 201, 167, 0.45));
  transition: transform 360ms var(--spring);
}

.nav-brand:hover .brand-logo-svg {
  transform: scale(1.07);
}

.brand-logo-core {
  transform-box: fill-box;
  transform-origin: center;
  animation: brandCorePulse 3.4s ease-in-out infinite;
}

.brand-logo-nodes {
  animation: brandNodesFlicker 4.2s ease-in-out infinite;
}

@keyframes brandCorePulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.14); opacity: 1; }
}

@keyframes brandNodesFlicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  .brand-logo-core,
  .brand-logo-nodes {
    animation: none;
  }
}

@media (max-width: 480px) {
  .brand-subtitle {
    display: none;
  }
}

/* Cosmic Synapse Hero Styles */
.cosmic-hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 1.5rem 80px;
}

#cosmic-synapse-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background-color: #050b14;
}

.cosmic-hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(9, 17, 31, 0.15) 0%, rgba(9, 17, 31, 0.85) 100%),
              linear-gradient(180deg, rgba(9, 17, 31, 0.5) 0%, #09111f 100%);
  z-index: 1;
  pointer-events: none;
}

.cosmic-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-eyebrow-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: rgba(0, 201, 167, 0.08);
  border: 1px solid rgba(0, 201, 167, 0.22);
  backdrop-filter: blur(10px);
  margin-bottom: 1.5rem;
  color: var(--color-text);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero-eyebrow-chip svg {
  color: var(--color-accent);
}

.hero-eyebrow-chip span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title-cosmic {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-desc-cosmic {
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 780px;
  margin-bottom: 2.5rem;
}

.hero-actions-cosmic {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

/* Smooth Entrance Animations (Framer Motion feel) */
@keyframes cosmicFadeUp {
  0% {
    opacity: 0;
    transform: translateY(28px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: cosmicFadeUp 800ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

.delay-100 { animation-delay: 150ms; }
.delay-300 { animation-delay: 350ms; }
.delay-500 { animation-delay: 550ms; }
.delay-700 { animation-delay: 750ms; }

/* ADHD-related card imagery styling */
.card-image-wrap {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.4);
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
  filter: grayscale(15%) brightness(0.9) contrast(1.05);
}

.card-hover:hover .card-image-wrap img {
  transform: scale(1.04);
  filter: grayscale(0%) brightness(1.02) contrast(1.1);
}

/* Navigation layout adjustment for logo */
.nav-brand {
  gap: 0.75rem !important;
}

/* Spring entrance animations for desktop nav links */
@keyframes fm-nav-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (min-width: 980px) {
  .nav-links a {
    animation: fm-nav-in 480ms var(--ease-expo) both;
  }
  .nav-links a:nth-child(1) { animation-delay: 100ms; }
  .nav-links a:nth-child(2) { animation-delay: 150ms; }
  .nav-links a:nth-child(3) { animation-delay: 200ms; }
  .nav-links a:nth-child(4) { animation-delay: 250ms; }
  .nav-links a:nth-child(5) { animation-delay: 300ms; }

  .nav-links a.is-active {
    position: relative;
  }
  .nav-links a.is-active::before {
    content: "";
    position: absolute;
    bottom: 0.28rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 999px;
    background: var(--color-accent);
    box-shadow: 0 0 6px rgba(0, 201, 167, 0.6);
  }
}

/* Button primary shimmer */
.button-primary {
  position: relative;
  overflow: hidden;
}

.button-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.18) 50%, transparent 100%);
  transform: translateX(-110%);
  transition: transform 560ms ease;
}

.button-primary:hover::after {
  transform: translateX(110%);
}