/* ============================================================
   PREVENA HEALTH — Design System & Styles
   ============================================================ */

/* --- Tokens --- */
:root {
  /* Colors */
  --color-bg: #fafbfd;
  --color-surface: #ffffff;
  --color-surface-alt: #f4f6fa;
  --color-border: #e4e8f0;
  --color-border-light: #eef1f6;

  --color-text-primary: #0a1628;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #8896ab;
  --color-text-inverse: #ffffff;

  --color-accent: #3b6bcc;
  --color-accent-light: #e8eef8;
  --color-accent-dark: #2a4f9e;

  --color-success: #4fd1a2;
  --color-warning: #e8a94e;
  --color-danger: #d94f4f;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.75rem;
  --text-5xl: 3.5rem;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.06em;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.04);
  --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.06);
  --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.08);
  --shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.1);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;
}

/* --- Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

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

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

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out);
}

.nav.scrolled {
  background: rgba(250, 251, 253, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(10, 22, 40, 0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  transition: opacity var(--duration-fast);
}

.nav-logo:hover {
  opacity: 0.7;
}

.nav-logo-icon {
  color: var(--color-accent);
}

.nav-logo-health {
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-normal);
  transition: color var(--duration-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--duration-base) var(--ease-out);
  transform-origin: left;
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav-cta-btn {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-text-primary);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.nav-cta-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.nav-cta-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 110;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast);
}

.nav-toggle.active .nav-toggle-bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-3xl);
    background: rgba(250, 251, 253, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-out);
    box-shadow: -8px 0 32px rgba(10, 22, 40, 0.08);
  }

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

  .nav-link {
    font-size: var(--text-lg);
  }

  .nav-cta-btn {
    margin-top: var(--space-md);
  }
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(59, 107, 204, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(79, 209, 162, 0.04) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-bg) 0%, #f0f3f9 100%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 107, 204, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 107, 204, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero-headline {
  font-size: clamp(2.25rem, 4.5vw, var(--text-5xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
}

.hero-headline-accent {
  color: var(--color-accent);
}

.hero-headline-sub {
  font-size: clamp(1.125rem, 2.2vw, var(--text-2xl));
  font-weight: 400;
  color: var(--color-text-secondary);
  display: block;
  margin-top: var(--space-sm);
}

.hero-description {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-2xl);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-device {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  position: relative;
}

.device-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 107, 204, 0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.device-wearable,
.device-reader,
.device-mobile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.device-svg {
  width: 140px;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(10, 22, 40, 0.08));
}

.device-mobile .device-svg {
  width: 120px;
}

.device-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.device-connector {
  width: 48px;
  flex-shrink: 0;
  align-self: center;
  margin-bottom: 20px;
}

.connector-svg {
  width: 100%;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 0.8; transform: scaleY(1); }
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-3xl);
  }

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

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

  .hero-device {
    transform: scale(0.85);
  }
}

@media (max-width: 640px) {
  .hero-device {
    flex-direction: column;
    transform: scale(0.75);
  }

  .device-connector {
    transform: rotate(90deg);
    width: 36px;
    margin-bottom: 0;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  line-height: 1;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.btn-tertiary {
  background: none;
  color: var(--color-accent);
  padding: 0;
  font-weight: 600;
  position: relative;
}

.btn-tertiary::after {
  content: ' \2192';
  transition: transform var(--duration-fast);
  display: inline-block;
}

.btn-tertiary:hover::after {
  transform: translateX(4px);
}

.btn-lg {
  font-size: var(--text-base);
  padding: 18px 36px;
}

/* --- Sections --- */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-4xl);
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, var(--text-4xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* --- Platform --- */
.platform {
  background: var(--color-surface);
}

.platform-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-4xl);
}

.platform-card {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.platform-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-lg);
}

.platform-card-icon svg {
  width: 100%;
  height: 100%;
}

.platform-card-step {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.platform-card-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  letter-spacing: var(--tracking-tight);
}

.platform-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.platform-flow-arrow {
  width: 40px;
  flex-shrink: 0;
  align-self: center;
  margin-top: -40px;
  color: var(--color-accent);
  opacity: 0.5;
}

.platform-flow-arrow svg {
  width: 100%;
}

/* Signal bar */
.platform-signal {
  max-width: 720px;
  margin: 0 auto;
}

.signal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
}

.signal-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.signal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-accent);
  transition: background var(--duration-base);
}

.signal-dot.active {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(59, 107, 204, 0.15);
}

.signal-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.signal-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-border), var(--color-accent), var(--color-border));
  min-width: 24px;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .platform-flow {
    flex-direction: column;
    align-items: center;
  }

  .platform-flow-arrow {
    transform: rotate(90deg);
    margin-top: 0;
  }

  .platform-card {
    max-width: 100%;
  }

  .signal-bar {
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
  }

  .signal-line {
    width: 1px;
    min-width: 1px;
    height: 24px;
    background: linear-gradient(180deg, var(--color-border), var(--color-accent), var(--color-border));
    margin-bottom: 0;
  }
}

/* --- Why It Matters --- */
.why {
  background: var(--color-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.why-text .section-eyebrow {
  text-align: left;
}

.why-text .section-title {
  text-align: left;
}

.why-body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-lg);
}

.why-body:last-of-type {
  margin-bottom: var(--space-xl);
}

.why-visual {
  display: flex;
  justify-content: center;
}

.why-chart {
  width: 100%;
  max-width: 480px;
}

.why-chart-inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.why-svg {
  width: 100%;
  height: auto;
}

.why-chart-caption {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-md);
  line-height: var(--leading-normal);
  font-style: italic;
}

@media (max-width: 768px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .why-text .section-eyebrow,
  .why-text .section-title {
    text-align: center;
  }

  .why-body {
    text-align: center;
  }

  .why-text .btn-tertiary {
    display: block;
    text-align: center;
  }
}

/* --- Disease Areas --- */
.diseases {
  background: var(--color-surface);
}

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

.disease-card {
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base);
}

.disease-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.disease-card-wide {
  grid-column: span 2;
}

.disease-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.disease-icon svg {
  width: 100%;
  height: 100%;
}

.disease-title {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-sm);
}

.disease-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-lg);
}

.disease-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

@media (max-width: 1024px) {
  .disease-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .disease-card-wide {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .disease-grid {
    grid-template-columns: 1fr;
  }

  .disease-card-wide {
    grid-column: span 1;
  }
}

/* --- How It Works --- */
.how {
  background: var(--color-bg);
}

.how-timeline {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.how-timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-border));
}

.how-step {
  display: flex;
  gap: var(--space-xl);
  padding-bottom: var(--space-2xl);
  position: relative;
}

.how-step:last-child {
  padding-bottom: 0;
}

.how-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: background var(--duration-base), color var(--duration-base);
}

.how-step:hover .how-step-num {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.how-step-content {
  padding-top: 10px;
}

.how-step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-xs);
}

.how-step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* --- Trust --- */
.trust {
  background: var(--color-surface);
}

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

.trust-card {
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.trust-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.trust-icon svg {
  width: 100%;
  height: 100%;
}

.trust-title {
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-sm);
}

.trust-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

@media (max-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Partners --- */
.partners {
  background: var(--color-bg);
}

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

.partner-card {
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.partner-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-md);
}

.partner-title {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-sm);
}

.partner-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-lg);
}

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

.partner-link::after {
  content: '\2192';
  transition: transform var(--duration-fast);
}

.partner-link:hover::after {
  transform: translateX(4px);
}

.partner-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (max-width: 640px) {
  .partner-grid {
    grid-template-columns: 1fr;
  }
}

/* --- CTA Banner --- */
.cta-banner {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
}

.cta-box {
  text-align: center;
  padding: var(--space-4xl) var(--space-2xl);
  background: linear-gradient(135deg, #0f1628 0%, #1a2847 100%);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(59, 107, 204, 0.15), transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(79, 209, 162, 0.08), transparent 50%);
  pointer-events: none;
}

.cta-headline {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: 700;
  color: var(--color-text-inverse);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-md);
  position: relative;
}

.cta-sub {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.cta-box .btn-primary {
  background: var(--color-accent);
  position: relative;
}

.cta-box .btn-primary:hover {
  background: #4a7ad8;
}

/* --- Share Bar --- */
.share-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  position: relative;
}

.share-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.share-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
}

.share-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.share-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.share-link svg {
  display: block;
}

.share-link-toast {
  position: absolute;
  bottom: calc(100% + var(--space-sm));
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast), transform var(--duration-fast);
}

.share-link-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Footer --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-normal);
}

.footer-links {
  display: flex;
  gap: var(--space-4xl);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  transition: color var(--duration-fast);
}

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

.footer-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.footer-disclaimer {
  font-size: 0.6875rem;
  color: var(--color-text-tertiary);
  line-height: var(--leading-normal);
  max-width: 720px;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: var(--space-2xl);
  }

  .footer-links {
    flex-wrap: wrap;
    gap: var(--space-2xl);
  }
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(250, 251, 253, 0.97);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 24px rgba(10, 22, 40, 0.06);
  padding: var(--space-xl) 0;
  animation: cookieSlideUp 0.4s var(--ease-out);
}

@keyframes cookieSlideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.cookie-banner-text {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

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

.cookie-banner-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-btn {
  padding: 10px 20px;
  font-size: var(--text-sm);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .cookie-banner-inner {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }

  .cookie-banner-actions {
    justify-content: stretch;
  }

  .cookie-btn {
    flex: 1;
    text-align: center;
  }
}

/* --- Footer Inline Links --- */
.footer-link-inline {
  color: var(--color-text-tertiary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--duration-fast);
}

.footer-link-inline:hover {
  color: var(--color-accent);
}

/* --- Legal Pages --- */
.legal-page {
  padding-top: calc(var(--nav-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  min-height: 80vh;
}

.legal-header {
  max-width: 720px;
  margin-bottom: var(--space-3xl);
}

.legal-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.legal-title {
  font-size: clamp(1.75rem, 3.5vw, var(--text-4xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.legal-meta {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.legal-meta-item {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

.legal-body {
  max-width: 720px;
}

.legal-notice-box {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.legal-notice-box p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.legal-notice-box a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.legal-toc-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.legal-toc ol {
  list-style: decimal;
  padding-left: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.legal-toc a {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.legal-toc a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-section {
  margin-bottom: var(--space-3xl);
  scroll-margin-top: calc(var(--nav-height) + var(--space-xl));
}

.legal-section h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.legal-section h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-section p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-md);
}

.legal-section ul,
.legal-section ol {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-section li {
  margin-bottom: var(--space-sm);
}

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

.legal-section a:hover {
  color: var(--color-accent-dark);
}

.legal-section a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.legal-callout {
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-lg) 0;
}

.legal-callout p {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.legal-callout-critical {
  background: #fef2f2;
  border-left-color: var(--color-danger);
}

.legal-callout-critical p {
  color: #7f1d1d;
  font-size: var(--text-xs);
  font-weight: 500;
}

.legal-table-wrap {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.legal-table thead {
  background: var(--color-surface-alt);
}

.legal-table th {
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

.legal-table td {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
  line-height: var(--leading-normal);
}

.legal-table tr:last-child td {
  border-bottom: none;
}

.legal-table code {
  font-family: var(--font-mono);
  font-size: 0.8125em;
  background: var(--color-surface-alt);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-text-primary);
}

.legal-address {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  background: var(--color-surface-alt);
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  margin-top: var(--space-md);
}

.legal-address a {
  color: var(--color-accent);
}

/* --- Disease Detail Pages --- */
.disease-hero {
  position: relative;
  padding-top: calc(var(--nav-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  overflow: hidden;
}

.disease-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 30% 60%, rgba(59, 107, 204, 0.05) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 30%, rgba(79, 209, 162, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

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

.disease-hero-content {
  max-width: 720px;
}

.disease-hero-title {
  font-size: clamp(2rem, 4vw, var(--text-5xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.disease-hero-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 600px;
}

.disease-body-section {
  padding: var(--space-5xl) 0;
}

.disease-body-section:nth-child(even) {
  background: var(--color-surface);
}

.disease-body-section:nth-child(odd) {
  background: var(--color-bg);
}

.disease-section-header {
  max-width: 640px;
  margin-bottom: var(--space-3xl);
}

.disease-section-header .section-eyebrow {
  text-align: left;
}

.disease-section-header .section-title {
  text-align: left;
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
}

.disease-approach-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-lg);
  max-width: 720px;
}

.disease-approach-text:last-of-type {
  margin-bottom: 0;
}

.biomarker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.biomarker-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base);
}

.biomarker-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
}

.biomarker-name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.01em;
}

.biomarker-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.early-detect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.early-detect-card {
  padding: var(--space-xl);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.early-detect-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.early-detect-card strong {
  color: var(--color-text-primary);
}

.disease-cta-section {
  padding: var(--space-4xl) 0;
}

.disease-disclaimer {
  margin-top: var(--space-3xl);
  padding: var(--space-xl);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  max-width: 720px;
}

.disease-disclaimer p {
  font-size: 0.6875rem;
  color: var(--color-text-tertiary);
  line-height: var(--leading-normal);
  opacity: 0.8;
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.breadcrumb a {
  font-size: var(--text-sm);
  color: var(--color-accent);
  transition: color var(--duration-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.breadcrumb a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.breadcrumb-sep {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  user-select: none;
}

.breadcrumb-current {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* --- FAQ Page --- */
.faq-section {
  padding: var(--space-5xl) 0;
  background: var(--color-bg);
}

.faq-category {
  margin-bottom: var(--space-3xl);
}

.faq-category:last-of-type {
  margin-bottom: var(--space-2xl);
}

.faq-category-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base);
}

.faq-item:hover {
  border-color: var(--color-accent-light);
}

.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-accent-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--duration-fast);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::marker {
  display: none;
  content: '';
}

.faq-question::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-tertiary);
  border-bottom: 2px solid var(--color-text-tertiary);
  transform: rotate(45deg);
  flex-shrink: 0;
  margin-left: var(--space-lg);
  transition: transform var(--duration-fast) var(--ease-out);
}

.faq-item[open] .faq-question::after {
  transform: rotate(-135deg);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.faq-answer {
  padding: 0 var(--space-xl) var(--space-xl);
}

.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-sm);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--duration-fast);
}

.faq-answer a:hover {
  color: var(--color-accent-dark);
}

/* --- Glossary Page --- */
.glossary-nav-section {
  padding: var(--space-xl) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: var(--nav-height);
  z-index: 50;
}

.glossary-alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
}

.glossary-alpha-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--duration-fast), color var(--duration-fast),
              transform var(--duration-fast);
}

.glossary-alpha-link:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.glossary-alpha-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.glossary-alpha-disabled {
  color: var(--color-text-tertiary);
  background: var(--color-surface-alt);
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

.glossary-section {
  padding: var(--space-5xl) 0;
  background: var(--color-bg);
}

.glossary-body {
  max-width: 720px;
}

.glossary-letter-group {
  margin-bottom: var(--space-3xl);
  scroll-margin-top: calc(var(--nav-height) + 80px);
}

.glossary-letter {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent-light);
}

.glossary-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.glossary-entry {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  scroll-margin-top: calc(var(--nav-height) + 80px);
  transition: box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base);
}

.glossary-entry:target {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.glossary-entry:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-sm);
}

.glossary-term {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.01em;
}

.glossary-definition {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-left: 0;
}

.glossary-definition a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--duration-fast);
}

.glossary-definition a:hover {
  color: var(--color-accent-dark);
}

@media (max-width: 640px) {
  .glossary-alpha-link {
    width: 30px;
    height: 30px;
    font-size: var(--text-xs);
  }

  .glossary-entry {
    padding: var(--space-lg);
  }
}

/* --- Print --- */
@media print {
  .nav,
  .hero-scroll-indicator,
  .hero-bg,
  .cookie-banner {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 0;
  }

  .section {
    padding: var(--space-2xl) 0;
    break-inside: avoid;
  }

  .legal-page {
    padding-top: var(--space-2xl);
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}