/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Common Design Tokens */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --box-shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --box-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
  --box-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.12);
  --max-width: 1200px;

  /* Theme: Dark Mode (Default) */
  --bg-primary: #070a13;
  --bg-secondary: #0f1422;
  --bg-glass: rgba(15, 20, 34, 0.75);
  --bg-glass-hover: rgba(15, 20, 34, 0.9);
  --border-color: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #6366f1; /* Indigo */
  --accent-secondary: #14b8a6; /* Teal */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #14b8a6 100%);
  --accent-glow: rgba(99, 102, 241, 0.15);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --scrollbar-bg: #070a13;
  --scrollbar-thumb: #1e293b;
  --logo-blue: #3b82f6;
}

[data-theme="light"] {
  /* Theme: Light Mode */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.8);
  --bg-glass-hover: rgba(255, 255, 255, 0.95);
  --border-color: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(0, 0, 0, 0.15);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-primary: #4f46e5;
  --accent-secondary: #0d9488;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #0d9488 100%);
  --accent-glow: rgba(79, 70, 229, 0.08);
  --card-shadow: 0 10px 30px -10px rgba(79, 70, 229, 0.08);
  --scrollbar-bg: #f8fafc;
  --scrollbar-thumb: #cbd5e1;
  --logo-blue: #1d4ed8;
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-bg);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Premium Core Components */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.45);
}

.btn-primary:hover::after {
  opacity: 1;
}

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

.btn-secondary:hover {
  background: var(--border-color);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

/* Navigation Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--box-shadow-lg);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.logo strong {
  color: var(--logo-blue);
  font-weight: 800;
  transition: color var(--transition-normal);
}

.logo-icon {
  width: 32px;
  height: 32px;
  stroke: url(#logo-grad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.4));
  transition: transform var(--transition-normal);
}

.logo:hover .logo-icon {
  transform: rotate(15deg) scale(1.1);
}

/* Dynamic Top Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  list-style: none;
}

.nav-item a {
  padding: 0.6rem 1.1rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  position: relative;
  display: inline-block;
  z-index: 2;
}

.nav-item a.active {
  color: var(--text-primary);
  font-weight: 600;
}

/* Dynamic Nav Indicator */
.nav-indicator {
  position: absolute;
  height: 38px;
  background: var(--border-color);
  border: 1px solid var(--border-hover);
  border-radius: var(--border-radius-sm);
  z-index: 1;
  transition: all var(--transition-normal);
  pointer-events: none;
  opacity: 0;
}

/* Theme Switcher Toggle */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  border-color: var(--border-hover);
  background: var(--border-color);
  transform: scale(1.05);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--transition-slow);
}

[data-theme="light"] .theme-toggle-btn .sun-icon {
  transform: translateY(40px);
}
[data-theme="light"] .theme-toggle-btn .moon-icon {
  transform: translateY(0);
}

.theme-toggle-btn .sun-icon {
  transform: translateY(0);
}
.theme-toggle-btn .moon-icon {
  position: absolute;
  transform: translateY(-40px);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
}

.mobile-nav-toggle span {
  display: block;
  position: absolute;
  height: 2.5px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: var(--transition-fast);
}

.mobile-nav-toggle span:nth-child(1) { top: 6px; }
.mobile-nav-toggle span:nth-child(2), .mobile-nav-toggle span:nth-child(3) { top: 15px; }
.mobile-nav-toggle span:nth-child(4) { top: 24px; }

.mobile-nav-toggle.open span:nth-child(1) {
  top: 15px;
  width: 0%;
  left: 50%;
}
.mobile-nav-toggle.open span:nth-child(2) {
  transform: rotate(45deg);
}
.mobile-nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg);
}
.mobile-nav-toggle.open span:nth-child(4) {
  top: 15px;
  width: 0%;
  left: 50%;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  background: radial-gradient(circle at 80% 20%, var(--accent-glow) 0%, transparent 60%);
  position: relative;
}

.hero-bg-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.hero-glow-1 {
  position: absolute;
  top: -10%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-tag {
  align-self: flex-start;
  background: var(--border-color);
  border: 1px solid var(--border-hover);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--accent-secondary);
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 800;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
}

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

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

.hero-artwork {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  position: relative;
}

.hero-circle-outer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1.5px dashed var(--border-color);
  border-radius: 50%;
  animation: rotateClockwise 40s linear infinite;
}

.hero-circle-inner {
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  border: 1px solid var(--border-hover);
  border-radius: 50%;
  background: radial-gradient(circle, var(--bg-secondary) 20%, transparent 80%);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: inset 0 0 40px rgba(99, 102, 241, 0.05);
}

.hero-center-symbol {
  width: 60%;
  height: 60%;
  object-fit: contain;
  aspect-ratio: 1 / 1;
  filter: drop-shadow(0 4px 16px rgba(99, 102, 241, 0.25));
  animation: pulseLogo 6s ease-in-out infinite;
}

@keyframes rotateClockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulseLogo {
  0%, 100% { transform: scale(0.96); opacity: 0.9; }
  50% { transform: scale(1.04); opacity: 1; }
}

/* Sections Common Layout */
section.section-padding {
  padding: 7rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* "What is Truth" Section */
.truth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.truth-narrative {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.truth-narrative p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.truth-narrative strong {
  color: var(--text-primary);
}

/* Interactive Truth Slider Widget */
.truth-widget {
  width: 100%;
}

.truth-slider-container {
  margin-top: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--box-shadow-md);
  position: relative;
  overflow: hidden;
}

.truth-slider-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.truth-slider-labels span.active {
  color: var(--accent-primary);
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
}

.truth-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 100px;
  background: var(--border-color);
  outline: none;
  margin-bottom: 2rem;
  cursor: pointer;
  position: relative;
}

.truth-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 4px solid var(--bg-secondary);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.truth-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--accent-secondary);
}

.truth-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 4px solid var(--bg-secondary);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.truth-card-display {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
  background: var(--bg-primary);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  border: 1px dashed var(--border-color);
  transition: all var(--transition-normal);
}

.truth-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent-primary);
}

.truth-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.truth-card-quote {
  font-style: italic;
  font-size: 0.9rem;
  border-left: 2px solid var(--accent-secondary);
  padding-left: 0.75rem;
  color: var(--text-muted);
}

/* "Evidence for God" Section */
.evidence-tabs-container {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

.evidence-tabs-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.evidence-tab-btn {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.evidence-tab-btn:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
  color: var(--text-primary);
}

.evidence-tab-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
}

.evidence-tab-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
  transition: transform var(--transition-normal);
}

.evidence-tab-btn.active svg {
  transform: translateX(4px);
}

.evidence-panel {
  display: none;
  animation: fadeIn 0.5s ease-out forwards;
}

.evidence-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.evidence-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.evidence-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.evidence-icon-wrapper {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-secondary);
}

.evidence-icon-wrapper svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.evidence-card-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.evidence-card-body {
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.evidence-card-body ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.evidence-card-body li strong {
  color: var(--text-primary);
}

.evidence-quote-box {
  background: var(--bg-primary);
  border-left: 3px solid var(--accent-primary);
  padding: 1.25rem;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  font-style: italic;
  font-size: 0.95rem;
}

/* "Why Jesus" Section */
.why-jesus-layout {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

/* Claims Explorer Widget */
.claims-widget-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.claims-instruction {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.claims-carousel {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.claims-navigator {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.claim-nav-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.claim-nav-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.claim-nav-btn.active {
  border-left: 4px solid var(--accent-secondary);
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  padding-left: 1.5rem;
  box-shadow: var(--box-shadow-sm);
}

.claim-nav-btn span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.claim-nav-btn.active span {
  color: var(--accent-secondary);
  font-weight: 700;
}

.claims-display-card {
  perspective: 1000px;
}

.claim-card-inner {
  transition: transform var(--transition-slow);
  transform-style: preserve-3d;
  position: relative;
  min-height: 420px;
}

/* Interactive flip card */
.claim-card-inner.flipped {
  transform: rotateY(180deg);
}

.claim-card-front, .claim-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.claim-card-back {
  transform: rotateY(180deg);
}

.claim-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.claim-card-source {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--accent-secondary);
  background: var(--accent-glow);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}

.claim-card-flip-hint {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.claim-card-quote {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.claim-card-meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.claim-card-meta strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.25rem;
}

/* Trilemma Explorer */
.trilemma-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.trilemma-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.trilemma-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.trilemma-card {
  cursor: pointer;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2.5rem 1.5rem;
  border: 1px dashed var(--border-color);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.trilemma-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  border-style: solid;
}

.trilemma-card.active {
  background: var(--bg-glass-hover);
  border: 2px solid var(--accent-primary);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.15);
}

.trilemma-card-title {
  font-size: 1.6rem;
  font-weight: 800;
}

.trilemma-card-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.trilemma-analysis-display {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--box-shadow-md);
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.4s ease-out;
}

.trilemma-analysis-display::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gradient);
}

.trilemma-analysis-title {
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trilemma-analysis-title span {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.trilemma-analysis-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.trilemma-analysis-logical-consequence {
  background: var(--bg-primary);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
}

.trilemma-analysis-logical-consequence strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.trilemma-analysis-logical-consequence p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* "Resources" Section */
.resources-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  list-style: none;
}

.filter-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.resource-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.resource-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.resource-type {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  background: var(--border-color);
  color: var(--text-secondary);
}

.resource-card.book .resource-type {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
}

.resource-card.website .resource-type {
  background: rgba(20, 184, 166, 0.1);
  color: var(--accent-secondary);
}

.resource-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.resource-author {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: block;
}

.resource-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.resource-link {
  align-self: flex-start;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.resource-link svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  transition: transform var(--transition-fast);
}

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

.resource-link:hover svg {
  transform: translate(2px, -2px);
}

/* "Ask a Question" Section */
.qa-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: start;
}

.qa-form-container {
  position: relative;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.form-checkbox-label input {
  margin-top: 0.25rem;
  cursor: pointer;
}

.form-checkbox-label a {
  color: var(--accent-primary);
}

.form-checkbox-label a:hover {
  text-decoration: underline;
}

/* Simulated Overlay */
.qa-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  z-index: 10;
}

.qa-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.overlay-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1.5rem;
}

.overlay-success-icon {
  width: 64px;
  height: 64px;
  background: rgba(20, 184, 166, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-secondary);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-title-header {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.faq-trigger svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
  transition: transform var(--transition-normal);
}

.faq-item.active {
  border-color: var(--accent-primary);
}

.faq-item.active .faq-trigger svg {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
}

.faq-content-inner {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer styling */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2rem;
  transition: background-color var(--transition-normal);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Scroll-to-Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 99;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: var(--accent-secondary);
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 6px 16px rgba(20, 184, 166, 0.45);
}

.scroll-top-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
}

/* "Objections" Section Styling */
.objections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}

.objection-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1.25rem;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.objection-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.objection-icon-wrapper {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.objection-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.objection-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex-grow: 1;
  font-style: italic;
  border-left: 2px solid var(--border-color);
  padding-left: 0.75rem;
}

.objection-dialogue-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all var(--transition-normal) ease-out;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px dashed var(--border-color);
  padding-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.objection-dialogue-content ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.objection-dialogue-content li strong {
  color: var(--text-primary);
}

.objection-card.active {
  border-color: var(--accent-primary);
}

.objection-card.active .objection-dialogue-content {
  max-height: 1000px;
  opacity: 1;
  margin-top: 0.5rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content {
    align-items: center;
  }
  .hero-description {
    margin: 0 auto;
  }
  .truth-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .evidence-tabs-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .claims-carousel {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .trilemma-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .qa-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .objections-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
  }
  .mobile-nav-toggle {
    display: block;
    z-index: 1001;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--box-shadow-lg);
  }
  .nav-menu.open {
    right: 0;
  }
  .nav-item {
    width: 100%;
  }
  .nav-item a {
    width: 100%;
    font-size: 1.1rem;
    padding: 0.75rem 0;
  }
  .nav-indicator {
    display: none;
  }
  .resources-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}