/* ============================================
   SECOND OPINION / DR DEW
   Mobile-First Design System v2.0
   ============================================ */

/* --------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------- */
:root {
  /* Colors */
  --color-bg-base: #0d0d0d;
  --color-bg-elevated: #1a1a1a;
  --color-bg-card: #151515;
  --color-bg-card-hover: #1c1c1c;
  --color-bg-overlay: rgba(0, 0, 0, 0.8);

  --color-text-primary: #f0f0f0;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #666666;

  --color-accent: #d4a574;
  --color-accent-hover: #e5b685;
  --color-accent-subtle: rgba(212, 165, 116, 0.15);

  --color-border: #2a2a2a;
  --color-border-accent: #3a3a3a;

  /* Semantic Colors */
  --color-success: #81c784;
  --color-success-bg: rgba(76, 175, 80, 0.2);
  --color-warning: #ffd54f;
  --color-warning-bg: rgba(255, 193, 7, 0.2);
  --color-error: #e57373;
  --color-error-bg: rgba(244, 67, 54, 0.2);

  /* Typography Scale - Fluid with clamp() */
  --text-xs: clamp(0.6875rem, 0.65rem + 0.1vw, 0.75rem);
  --text-sm: clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-md: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(1.75rem, 1.4rem + 1.75vw, 2.5rem);
  --text-4xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --text-5xl: clamp(2.5rem, 1.8rem + 3.5vw, 4rem);

  /* Font Stacks */
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", Consolas, monospace;

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Legacy spacing aliases */
  --space-xs: var(--space-1);
  --space-sm: var(--space-2);
  --space-md: var(--space-4);
  --space-lg: var(--space-6);
  --space-xl: var(--space-8);
  --space-2xl: var(--space-12);
  --space-3xl: var(--space-16);

  /* Layout */
  --max-width: 1200px;
  --max-width-content: 800px;
  --header-height: 64px;
  --nav-width: 280px;

  /* Touch targets */
  --touch-target-min: 44px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Easing */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.645, 0.045, 0.355, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

  /* Border Radius */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 50;
  --z-overlay: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* Desktop spacing adjustments */
@media (min-width: 768px) {
  :root {
    --header-height: 80px;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-system);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-wrap: pretty;
}

/* Prevent body scroll when nav is open */
body.nav-open {
  overflow: hidden;
}

/* Grid texture background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

ul, ol {
  list-style: none;
}

/* Balanced text for headings */
h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
}

/* Prevent orphans in paragraphs */
p {
  text-wrap: pretty;
}

/* --------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------- */
.skip-link {
  position: fixed;
  top: 0;
  left: var(--space-4);
  transform: translateY(-100%);
  background: var(--color-accent);
  color: var(--color-bg-base);
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
  font-size: var(--text-sm);
  z-index: var(--z-toast);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
}

/* --------------------------------------------
   Typography
   -------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: var(--text-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-accent-hover);
}

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

strong { font-weight: 600; }

small {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-elevated);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
}

blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* --------------------------------------------
   Layout Containers
   -------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

.container--narrow {
  max-width: var(--max-width-content);
}

.section {
  padding-block: var(--space-12);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-16);
  }
}

.section--alt {
  background: var(--color-bg-elevated);
}

/* --------------------------------------------
   Header & Navigation (Checkbox Hack)
   -------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg-base);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-4);
}

/* Brand */
.site-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  flex-shrink: 0;
}

.site-brand:hover,
.site-brand:focus {
  color: inherit;
}

.site-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.1;
}

.site-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* Hidden checkbox for toggle */
.nav-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Toggle button label */
.nav-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  min-height: var(--touch-target-min);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-toggle-label:hover {
  background: var(--color-bg-elevated);
}

/* Hamburger icon */
.nav-toggle-icon {
  position: relative;
  width: 20px;
  height: 14px;
}

.nav-toggle-icon span,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-normal) var(--ease-out),
              opacity var(--transition-fast);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
}

.nav-toggle-icon span { top: 50%; transform: translateY(-50%); }
.nav-toggle-icon::before { top: 0; }
.nav-toggle-icon::after { bottom: 0; }

/* Hamburger to X animation */
.nav-toggle:checked ~ .nav-toggle-label .nav-toggle-icon span {
  opacity: 0;
}

.nav-toggle:checked ~ .nav-toggle-label .nav-toggle-icon::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav-toggle:checked ~ .nav-toggle-label .nav-toggle-icon::after {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Backdrop */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  opacity: 0;
  visibility: hidden;
  z-index: var(--z-overlay);
  cursor: pointer;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.nav-toggle:checked ~ .nav-backdrop {
  opacity: 1;
  visibility: visible;
}

/* Navigation drawer - mobile */
.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--nav-width);
  max-width: calc(100vw - 60px);
  height: 100dvh;
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-normal) var(--ease-out);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.nav-toggle:checked ~ .site-nav {
  transform: translateX(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-text-primary);
  background: var(--color-bg-card);
}

.nav-link[aria-current="page"],
.nav-link--active {
  color: var(--color-accent);
}

/* Desktop navigation */
@media (min-width: 768px) {
  .nav-toggle-label,
  .nav-backdrop {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    border: none;
    transform: none;
    overflow: visible;
  }

  .nav-list {
    flex-direction: row;
    padding: 0;
    gap: var(--space-1);
  }

  .nav-link {
    min-height: auto;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
  }
}

/* Search button in header */
.search-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.search-trigger:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
}

.search-trigger svg {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------
   Footer
   -------------------------------------------- */
.site-footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .site-footer {
    padding-block: var(--space-10);
    margin-top: var(--space-16);
  }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.footer-nav a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  min-height: var(--touch-target-min);
  display: inline-flex;
  align-items: center;
}

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

.footer-meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .footer-meta {
    text-align: right;
  }
}

/* --------------------------------------------
   Buttons
   -------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-system);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn:hover {
  text-decoration: none;
}

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

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-base);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg-base);
}

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

.btn--secondary:hover {
  background: var(--color-bg-card);
  border-color: var(--color-text-muted);
}

.btn--small {
  min-height: 36px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* --------------------------------------------
   Cards
   -------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: transform var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

@media (min-width: 768px) {
  .card {
    padding: var(--space-6);
  }
}

.card:hover {
  border-color: var(--color-border-accent);
}

/* Card hover lift effect - only on hover-capable devices */
@media (hover: hover) {
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
}

.card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.card--link:hover {
  text-decoration: none;
}

.card--featured {
  border-left: 4px solid var(--color-accent);
  padding-left: calc(var(--space-5) - 3px);
}

@media (min-width: 768px) {
  .card--featured {
    padding-left: calc(var(--space-6) - 3px);
  }
}

.card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.card__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.card__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------
   Tags / Chips
   -------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.tag:hover {
  color: var(--color-text-primary);
  background: var(--color-border);
  text-decoration: none;
  transform: scale(1.05);
}

.tag--accent {
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

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

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* Topic chips (scrollable row) */
.topic-chips {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.topic-chips::-webkit-scrollbar {
  height: 4px;
}

.topic-chips::-webkit-scrollbar-track {
  background: transparent;
}

.topic-chips::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.topic-chip {
  flex-shrink: 0;
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.topic-chip:hover {
  color: var(--color-text-primary);
  border-color: var(--color-accent);
  text-decoration: none;
}

/* --------------------------------------------
   Hero Section
   -------------------------------------------- */
.hero {
  background-image: url('/assets/img/SecondOpinionBanner.png');
  background-size: cover;
  background-position: center;
  min-height: 300px;
}

@media (min-width: 768px) {
  .hero {
    min-height: 450px;
  }
}

@media (min-width: 1200px) {
  .hero {
    min-height: 500px;
  }
}

.hero-cta {
  padding: var(--space-6) 0;
  background: var(--color-bg-base);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-10);
    align-items: center;
  }
}

.hero__headline {
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.hero__subheadline {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  max-width: 540px;
}

.hero__identity {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* Hero seal card */
.seal-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  max-width: 400px;
}

@media (min-width: 768px) {
  .seal-card {
    padding: var(--space-6);
  }
}

@media (min-width: 900px) {
  .seal-card {
    max-width: none;
  }
}

.seal-card__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.seal-card__lines {
  margin-bottom: var(--space-4);
}

.seal-card__lines li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.seal-card__footer {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------
   Featured Episode Panel
   -------------------------------------------- */
.featured-episode {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.featured-episode__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-5);
}

@media (min-width: 768px) {
  .featured-episode__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
  }
}

.featured-episode__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.featured-episode__number {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.featured-episode__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.featured-episode__summary {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.featured-episode__changes {
  margin-bottom: var(--space-6);
}

.featured-episode__changes-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.featured-episode__changes-list {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.featured-episode__changes-list li {
  margin-bottom: var(--space-1);
  padding-left: var(--space-4);
  position: relative;
}

.featured-episode__changes-list li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.featured-episode__footer {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

/* --------------------------------------------
   Grid Layouts
   -------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .grid {
    gap: var(--space-6);
  }
}

/* Mobile-first: single column */
.grid--2,
.grid--3 {
  grid-template-columns: 1fr;
}

/* Tablet: 2 columns */
@media (min-width: 640px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 3 columns for grid--3 */
@media (min-width: 900px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
}

/* --------------------------------------------
   Method / Lens Steps
   -------------------------------------------- */
.lens-steps {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .lens-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .lens-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .lens-steps {
    grid-template-columns: repeat(5, 1fr);
  }
}

.lens-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
}

@media (min-width: 768px) {
  .lens-step {
    padding: var(--space-6);
  }
}

.lens-step__number {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.lens-step__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.lens-step__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------
   Episode Page Components
   -------------------------------------------- */
.episode-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .episode-header {
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
  }
}

.episode-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.episode-header__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-6);
}

.episode-section {
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .episode-section {
    margin-bottom: var(--space-10);
  }
}

.episode-section__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

/* Claims & Checks - FIXED responsive layout */
.claim-check {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .claim-check {
    padding: var(--space-6);
  }
}

.claim-check__claim {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

/* Mobile: stack vertically */
.claim-check__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

/* Desktop: side-by-side */
@media (min-width: 480px) {
  .claim-check__row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-2);
  }
}

.claim-check__label {
  color: var(--color-text-muted);
  font-weight: 500;
}

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

/* Confidence badges */
.confidence {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.confidence--high {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.confidence--medium {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.confidence--low {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* Sources list */
.sources-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.sources-list li:last-child {
  border-bottom: none;
}

.source-type {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-right: var(--space-2);
}

/* Update log */
.update-log {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .update-log {
    padding: var(--space-6);
  }
}

.update-log__title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.update-log__entry {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

@media (min-width: 480px) {
  .update-log__entry {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-2);
  }
}

.update-log__date {
  color: var(--color-text-muted);
}

/* --------------------------------------------
   TL;DW / Summary Lists
   -------------------------------------------- */
.tldw {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

@media (min-width: 768px) {
  .tldw {
    padding: var(--space-6);
  }
}

.tldw__list li {
  padding: var(--space-3) 0;
  padding-left: var(--space-5);
  position: relative;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.tldw__list li:last-child {
  border-bottom: none;
}

.tldw__list li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* --------------------------------------------
   Glossary
   -------------------------------------------- */
.glossary-entry {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .glossary-entry {
    padding: var(--space-6) 0;
  }
}

.glossary-entry:last-child {
  border-bottom: none;
}

.glossary-entry__term {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.glossary-entry__definition {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.glossary-entry__misuse {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

.glossary-entry__example {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* --------------------------------------------
   Reading List
   -------------------------------------------- */
.reading-entry {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.reading-entry:last-child {
  border-bottom: none;
}

.reading-entry__title {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.reading-entry__why {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------
   Page Headers
   -------------------------------------------- */
.page-header {
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .page-header {
    padding-block: var(--space-10);
    margin-bottom: var(--space-10);
  }
}

.page-header__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.page-header__description {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* --------------------------------------------
   Section Headers
   -------------------------------------------- */
.section-header {
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: var(--space-8);
  }
}

.section-header__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.section-header__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* --------------------------------------------
   Prose (Article Content)
   -------------------------------------------- */
.prose {
  max-width: var(--max-width-content);
}

.prose h2 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.prose h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.prose p {
  margin-bottom: var(--space-4);
}

.prose ul,
.prose ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-8);
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

/* --------------------------------------------
   Subscribe Section
   -------------------------------------------- */
.subscribe-options {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

@media (min-width: 768px) {
  .subscribe-options {
    gap: var(--space-6);
  }
}

.subscribe-option {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

@media (min-width: 768px) {
  .subscribe-option {
    padding: var(--space-6);
  }
}

.subscribe-option__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.subscribe-option__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.subscribe-option__path {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--color-bg-elevated);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  overflow-x: auto;
}

/* --------------------------------------------
   Transcript
   -------------------------------------------- */
.transcript {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  font-size: var(--text-base);
  line-height: 1.8;
}

@media (min-width: 768px) {
  .transcript {
    padding: var(--space-8);
  }
}

.transcript p {
  margin-bottom: var(--space-4);
}

.transcript .timestamp {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
}

/* --------------------------------------------
   404 Page
   -------------------------------------------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
}

.error-page__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.error-page__message {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

/* --------------------------------------------
   Utility Classes
   -------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-muted { color: var(--color-text-secondary); }
.text-small { font-size: var(--text-sm); }

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-2); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }
.mt-xl { margin-top: var(--space-8); }
.mt-2xl { margin-top: var(--space-12); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-2); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }
.mb-xl { margin-bottom: var(--space-8); }
.mb-2xl { margin-bottom: var(--space-12); }

/* 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;
}

/* Focus visible only for keyboard navigation */
:focus:not(:focus-visible) {
  outline: none;
}

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

/* --------------------------------------------
   Search Modal
   -------------------------------------------- */
.search-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--color-bg-overlay);
  padding: var(--space-4);
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}

.search-modal.is-open {
  display: flex;
}

.search-modal__inner {
  width: 100%;
  max-width: 600px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.search-modal__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.search-modal__icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.search-modal__input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: var(--text-md);
  color: var(--color-text-primary);
}

.search-modal__input::placeholder {
  color: var(--color-text-muted);
}

.search-modal__input:focus {
  outline: none;
}

.search-modal__kbd {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.search-modal__results {
  max-height: 400px;
  overflow-y: auto;
}

.search-modal__empty {
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.search-result {
  display: block;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.search-result:last-child {
  border-bottom: none;
}

.search-result:hover,
.search-result:focus,
.search-result.is-selected {
  background: var(--color-bg-card);
  outline: none;
}

.search-result__type {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.search-result__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.search-result__title mark {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.search-result__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------
   Micro-Animations
   -------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  /* Fade in */
  .animate-fade {
    animation: fadeIn 0.4s var(--ease-out) both;
  }

  /* Slide up + fade */
  .animate-slide-up {
    animation: slideUp 0.5s var(--ease-out) both;
  }

  /* Scale in */
  .animate-scale {
    animation: scaleIn 0.3s var(--ease-out) both;
  }

  /* Staggered children */
  .stagger-children > * {
    animation: slideUp 0.4s var(--ease-out) both;
  }

  .stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
  .stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
  .stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
  .stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
  .stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
  .stagger-children > *:nth-child(6) { animation-delay: 0.3s; }

  /* Reveal on scroll (JS controlled) */
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  }

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

  /* Link underline animation */
  .prose a,
  .animate-underline {
    position: relative;
    text-decoration: none;
  }

  .prose a::after,
  .animate-underline::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--ease-out);
  }

  .prose a:hover::after,
  .animate-underline:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  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);
  }
}

/* Disable animations for reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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