/* CSS Variables for Theme */
:root {
  /* Light Mode Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f0f4f8;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --accent-primary: #2563eb;
  --accent-secondary: #3b82f6;
  --accent-light: #60a5fa;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --transition: all 0.3s ease;
}

/* Dark Mode Colors */
[data-theme="dark"] {
  --bg-primary: #1a202c;
  --bg-secondary: #2d3748;
  --bg-tertiary: #374151;
  --text-primary: #f7fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #a0aec0;
  --accent-primary: #3b82f6;
  --accent-secondary: #60a5fa;
  --accent-light: #93c5fd;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  --border-color: #4a5568;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Sticky Top Bar */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .top-bar {
  background-color: rgba(26, 32, 44, 0.9);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.powered-by {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.375rem 0.75rem;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.btn-notify-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  box-sizing: border-box;
  min-height: 2.25rem;
  appearance: none;
  -webkit-appearance: none;
  vertical-align: middle;
}

.btn-notify-top:hover,
.btn-notify-top:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.btn-notify-top:active {
  transform: translateY(0);
}

.btn-membership-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  box-sizing: border-box;
  min-height: 2.25rem;
  vertical-align: middle;
}

.btn-membership-top:hover,
.btn-membership-top:focus {
  background: color-mix(in srgb, var(--accent-primary) 15%, transparent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.btn-membership-top:active {
  transform: translateY(0);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  font-size: 2rem;
  opacity: 0.1;
  animation: float 20s infinite ease-in-out;
}

.floating-icon:nth-child(1) {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.floating-icon:nth-child(2) {
  top: 20%;
  right: 15%;
  animation-delay: 4s;
}

.floating-icon:nth-child(3) {
  bottom: 30%;
  left: 20%;
  animation-delay: 8s;
}

.floating-icon:nth-child(4) {
  top: 50%;
  right: 10%;
  animation-delay: 12s;
}

.floating-icon:nth-child(5) {
  bottom: 15%;
  right: 30%;
  animation-delay: 16s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0) rotate(0deg);
  }
  25% {
    transform: translateY(-30px) translateX(20px) rotate(5deg);
  }
  50% {
    transform: translateY(-60px) translateX(-10px) rotate(-5deg);
  }
  75% {
    transform: translateY(-30px) translateX(15px) rotate(3deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .floating-icon {
    animation: none;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-logo {
  margin-bottom: var(--spacing-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInDown 0.8s ease-out;
}

.tcu-logo {
  max-width: 280px;
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s ease;
}

.tcu-logo:hover {
  transform: scale(1.05);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-logo {
    animation: none;
  }
  
  .tcu-logo:hover {
    transform: none;
  }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtext {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.hero-subtext strong {
  color: var(--accent-primary);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-primary);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0);
}

/* Expectations Section */
.expectations {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
}

.expectations h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.card {
  background-color: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

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

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.membership-block {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
}

.membership-block-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.membership-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.membership-tier h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.membership-tier .btn-plan {
  display: inline-block;
  margin-top: var(--spacing-md);
  text-decoration: none;
  color: white;
}

.membership-tier .btn-plan:hover,
.membership-tier .btn-plan:focus {
  color: white;
}

/* Membership page: vertical layout */
.membership-tiers-vertical {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  max-width: 720px;
  margin: 0 auto;
}

.membership-block-vertical {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.membership-breakdown-intro {
  text-align: center;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.6;
}

.membership-tier-header {
  margin-bottom: var(--spacing-md);
}

.membership-tier-header .card-icon {
  margin-bottom: var(--spacing-sm);
}

.membership-price {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: white;
}

.membership-tier-basic .membership-price {
  background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
}

.membership-tier-standard .membership-price {
  background: linear-gradient(135deg, #ca8a04 0%, #eab308 100%);
}

.membership-tier-premium .membership-price {
  background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
}

.membership-tier-vip .membership-price {
  background: linear-gradient(135deg, #a67c00 0%, #c9a227 50%, #d4af37 100%);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.membership-benefits {
  list-style: none;
  margin: 0 0 var(--spacing-lg);
  padding: 0;
}

.membership-benefits li {
  position: relative;
  padding-left: 2.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.membership-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
}

.membership-tier-basic .membership-benefits li::before {
  color: #16a34a;
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.25);
}

.membership-tier-standard .membership-benefits li::before {
  color: #ca8a04;
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.3);
}

.membership-tier-premium .membership-benefits li::before {
  color: #7c3aed;
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.2), 0 1px 0 rgba(255, 255, 255, 0.25);
}

.membership-tier-vip .membership-benefits li::before {
  color: #c9a227;
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.2), 0 1px 0 rgba(255, 255, 255, 0.35);
}

[data-theme="dark"] .membership-tier-basic .membership-benefits li::before {
  color: #22c55e;
}

[data-theme="dark"] .membership-tier-standard .membership-benefits li::before {
  color: #eab308;
}

[data-theme="dark"] .membership-tier-premium .membership-benefits li::before {
  color: #a78bfa;
}

[data-theme="dark"] .membership-tier-vip .membership-benefits li::before {
  color: #d4af37;
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.2);
}

.membership-tier-basic {
  border-left: 4px solid #22c55e;
}

.membership-tier-standard {
  border-left: 4px solid #eab308;
}

.membership-tier-premium {
  border-left: 4px solid #a78bfa;
}

.membership-tier-vip {
  border-left: 4px solid #c9a227;
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.15);
}

.membership-page-hero {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
}

.membership-page-intro {
  text-align: center;
}

.membership-page-logo {
  max-width: 180px;
  height: auto;
  margin-bottom: var(--spacing-md);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.membership-page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.membership-page-subtext {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.membership-page-block {
  padding: 0 0 var(--spacing-2xl);
  background-color: var(--bg-primary);
}

.membership-page-block .membership-block-title {
  margin-bottom: var(--spacing-xl);
}

.top-bar .logo {
  text-decoration: none;
  color: var(--accent-primary);
}

.top-bar .logo:hover,
.top-bar .logo:focus {
  text-decoration: none;
  opacity: 0.9;
}

/* Timeline Section */
.timeline-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-secondary);
}

.timeline-section h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-left: 5rem;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-icon {
  position: absolute;
  left: 0;
  top: 0;
  width: 4rem;
  height: 4rem;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.timeline-content {
  background-color: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.timeline-item:hover .timeline-content {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Email Capture Section */
.email-capture {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
}

.email-capture h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.email-capture-subtext {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.email-form {
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.input-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

#email-input {
  flex: 1;
  min-width: 200px;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
}

#email-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#email-input::placeholder {
  color: var(--text-muted);
}

.form-message {
  min-height: 1.5rem;
  margin-bottom: var(--spacing-sm);
  text-align: center;
  font-weight: 600;
  transition: var(--transition);
}

.form-message.success {
  color: #10b981;
}

.form-message.error {
  color: #ef4444;
}

.privacy-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--spacing-md);
}

.interactive-elements {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

.btn-fun {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
  cursor: pointer;
  transition: var(--transition);
}

.btn-fun:hover,
.btn-fun:focus {
  background-color: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.btn-fun:active {
  transform: translateY(0);
}

/* FAQ Section */
.faq {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-secondary);
}

.faq h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-item summary {
  padding: var(--spacing-lg);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--text-primary);
  position: relative;
  user-select: none;
}

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

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: var(--spacing-lg);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent-primary);
  transition: var(--transition);
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer p {
  margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
  background-color: var(--bg-tertiary);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-primary);
}

.footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.footer-section p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover,
.footer-section a:focus {
  color: var(--accent-primary);
  outline: none;
  text-decoration: underline;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.social-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links {
  margin-top: var(--spacing-sm);
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--accent-primary);
  outline: none;
}

.footer-links span {
  color: var(--text-muted);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--accent-gradient);
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 999;
  transition: var(--transition);
}

.theme-toggle:hover,
.theme-toggle:focus {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .top-bar-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .top-bar-right {
    width: 100%;
    justify-content: space-between;
  }
  
  .hero {
    min-height: 70vh;
    padding: var(--spacing-xl) 0;
  }
  
  .tcu-logo {
    max-width: 220px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 1.5rem;
  }
  
  .timeline-item {
    padding-left: 4rem;
  }
  
  .timeline-icon {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }
  
  .input-group {
    flex-direction: column;
  }
  
  #email-input {
    width: 100%;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .theme-toggle {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .tcu-logo {
    max-width: 180px;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .hero-subtext {
    font-size: 1rem;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .timeline-item {
    padding-left: 3.5rem;
  }
  
  .timeline-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }
}