:root {
  --bg-primary: #FAFAFA;
  --bg-secondary: #FFFFFF;
  --bg-accent: #E5E7EB;
  --bg-footer: #F8F9FA;
  --text-primary: #2D3436;
  --text-secondary: #4B5563;
  --accent-primary: #0066FF;
  --accent-link: #0044CC;
  --accent-green: #10b981;
  --accent-green-dark: #0d9668;
  --transition-base: all 0.2s ease;
  --accent-amber: #f59e0b;
  --accent-blue: var(--accent-primary);
  --glow-amber: rgba(245, 158, 11, 0.4);
  --glow-blue: rgba(0, 102, 255, 0.4);
  
  /* Z-index scale */
  --z-header: 100;
  --z-dropdown: 500;
  --z-modal: 1000;
  --z-popup: 1001;
  --z-toast: 1002;
}

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

/* Button utilities - used in blog */
.btn-base {
  padding: 0.9rem 1.6rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  min-height: 44px;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.05rem;
  position: relative;
}

.btn-base:hover,
.btn-base:focus {
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.15);
  outline: none;
}

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

.btn-base:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

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

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

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

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .bg-grid {
    animation: none !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

html {
  scroll-padding-top: 120px;
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 180px;
  }
}

/* Header anchor links - styled to look like normal headers */
.header-link {
  color: inherit;
  text-decoration: none;
}

.header-link:hover,
.header-link:focus {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.bg-grid {
  display: none;
}

@media (max-width: 768px) {
  .bg-grid {
    animation: none;
    will-change: auto;
  }
}

header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--bg-accent);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--bg-secondary);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: clamp(1.5rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.hero {
  padding: clamp(4rem, 10vh, 8rem) 0;
  text-align: center;
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.3;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 0.6;
    transform: translateX(-50%) scale(1.2);
  }
}

.hero-content {
  width: 100%;
}

.hero h1 { font-size: clamp(1.9rem, 5.9vw, 3.4rem); margin-bottom: 1rem; color: var(--text-primary); font-weight: 800; line-height: 1.1; }

.tagline {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 300;
}

.step-container {
  max-width: 760px;
  margin: 0 auto 3rem;
}

.step-container .tagline {
  text-align: left;
}

.description {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-image {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 0 5px rgba(0,0,0,0.2);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.unified-btn {
  background: var(--accent-primary);
  border: none;
  padding: 0.9rem 1.6rem;
  color: var(--bg-secondary);
  font-weight: 600;
  cursor: pointer;
  font-size: 1.05rem;
  position: relative;
  transition: var(--transition-base);
  border-radius: 8px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.unified-btn:hover,
.unified-btn:focus {
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.15);
  outline: none;
}

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

.unified-btn:visited {
  color: var(--bg-secondary);
}

.features { padding: clamp(3rem, 10vh, 5rem) 0; background: var(--bg-primary); position: relative; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: clamp(1rem, 2.5vw, 2rem); }
@media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }

.section-title { text-align: center; font-size: clamp(1.8rem, 5vw, 2.3rem); margin-bottom: 2rem; color: var(--text-primary); font-weight: 700; }
.section-subtitle { text-align: center; font-size: clamp(0.9rem, 2.5vw, 1.2rem); margin-bottom: 2rem; color: var(--text-primary); font-weight: 700; }

.get-started-title { text-align: center; font-size: clamp(1.6rem, 4.5vw, 2rem); margin-bottom: 1rem; margin-top: 5rem; color: var(--text-primary); font-weight: 700; }
.get-started-subtitle { text-align: center; font-size: clamp(0.9rem, 2.5vw, 1.2rem); margin-bottom: 2rem; color: var(--text-primary); font-weight: 700; }

.feature-card { background: var(--bg-secondary); padding: 1.5rem; border: 1px solid var(--bg-accent); position: relative; transition: var(--transition-base); overflow: hidden; border-radius: 8px; }

.feature-title { color: var(--text-primary); font-size: 1.2rem; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.75rem; font-weight: 600; }

.feature-icon { width: 24px; height: 24px; display: inline-block; background-color: #0066FF; -webkit-mask: var(--ico) no-repeat center / contain; mask: var(--ico) no-repeat center / contain; flex-shrink: 0; }

.feature-desc {
  color: var(--text-secondary);
  line-height: 1.6;
}

.why-section { padding: clamp(3rem, 10vh, 5rem) 0; text-align: center; background: var(--bg-primary); }

.why-title { font-size: clamp(1.6rem, 5vw, 2rem); margin-bottom: 1.25rem; color: var(--text-primary); font-weight: 700; }

.why-text {
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.highlight { color: var(--text-primary); font-weight: 600; }

.impact-statement { font-size: clamp(1.1rem, 3vw, 1.3rem); color: var(--text-secondary); margin-top: 2rem; margin-bottom: 2rem; padding: 1.25rem; border: 1px solid var(--bg-accent); background: var(--bg-secondary); position: relative; border-radius: 8px; }

.footer-cta { padding: clamp(2.5rem, 8vh, 3.5rem) 0; background: var(--bg-primary); text-align: center; border-top: 1px solid var(--bg-accent); }

.footer-cta h2 {
  color: var(--text-primary);
  margin-bottom: 2rem;
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  font-weight: 700;
}

.site-footer { background: var(--bg-footer); border-top: 1px solid var(--bg-accent); padding: 2rem 0; text-align: center; }

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer-link { text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: var(--transition-base); position: relative; }

.footer-link:hover,
.footer-link:focus { text-decoration: underline; }

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Future Popup Styles */
.future-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--z-popup);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  padding: 1rem;
}

.future-popup-overlay.active {
  opacity: 1;
  visibility: visible;
}

.future-popup {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-amber);
  box-shadow: 0 0 40px var(--glow-amber);
  padding: clamp(2rem, 5vw, 2.5rem);
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: translateY(-30px) scale(0.95);
  transition: transform 0.6s ease;
  border-radius: 12px;
  max-height: 90vh;
  overflow-y: auto;
}

.future-popup-overlay.active .future-popup {
  transform: translateY(0) scale(1);
}

.future-popup-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-base);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.future-popup-close:hover,
.future-popup-close:focus {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
}

.future-popup-title {
  color: var(--accent-primary);
  font-size: clamp(1.4rem, 4vw, 1.7rem);
  margin-bottom: 0.5rem;
  text-align: center;
  text-shadow: 0 0 10px var(--glow-amber);
  font-weight: 700;
  line-height: 1.2;
}

.future-popup-subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  opacity: 0.8;
}

.future-popup-text {
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 1rem;
}

.future-form-group {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.future-form-label {
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.9rem;
  min-width: 60px;
  flex-shrink: 0;
}

.future-form-input {
  flex: 1;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 2px solid var(--bg-accent);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-base);
  border-radius: 6px;
  font-family: inherit;
}

.future-form-input:focus {
  outline: none;
  border-color: var(--accent-amber);
  box-shadow: 0 0 8px var(--glow-amber);
}

.future-form-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.feature-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.feature-btn { background: transparent; border: 1px solid var(--accent-primary); color: var(--accent-primary); padding: 0.8rem 1.1rem; cursor: pointer; transition: var(--transition-base); border-radius: 8px; font-size: 0.95rem; font-weight: 500; text-align: left; position: relative; }

.feature-btn:hover,
.feature-btn:focus { background: var(--accent-primary); color: var(--bg-secondary); box-shadow: 0 2px 8px rgba(0, 102, 255, 0.15); transform: none; }

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

.other-idea-section {
  margin-top: 1rem;
  border-top: 1px solid var(--bg-accent);
  padding-top: 1rem;
}

.other-idea-container {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 4px;
}

.other-idea-input {
  flex: 1;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 2px solid var(--bg-accent);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-base);
  border-radius: 6px;
  font-family: inherit;
}

.other-idea-input:focus {
  outline: none;
  border-color: var(--accent-amber);
  box-shadow: 0 0 8px var(--glow-amber);
}

.other-idea-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.send-btn { background: var(--accent-green); border: none; color: var(--bg-secondary); padding: 0.75rem 1rem; cursor: pointer; border-radius: 8px; font-size: 1.1rem; transition: var(--transition-base); display: flex; align-items: center; justify-content: center; min-width: 48px; }

.send-btn:hover,
.send-btn:focus { background: var(--accent-green-dark); transform: none; box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2); }

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

.confirmation-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--accent-green);
  color: var(--bg-primary);
  padding: 1rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  z-index: var(--z-toast);
  transform: translateX(calc(100% + 20px));
  transition: transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.confirmation-toast.show {
  transform: translateX(0);
}

@media (max-width: 768px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-title {
    font-size: 1.2rem;
  }
  .future-popup {
    margin: 1rem;
    padding: 1.5rem;
  }
  .future-form-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .future-form-label {
    min-width: auto;
  }
  .other-idea-container {
    flex-direction: column;
    gap: 0.75rem;
  }
  .other-idea-input {
    width: 100%;
  }
  .step-container {
    margin: 0 auto 2rem;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .unified-btn {
    width: 100%;
    max-width: 280px;
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
  }
  .youtube-container {
    max-width: 100% !important;
    margin: 1rem 0 !important;
  }
  .features-grid { grid-template-columns: 1fr; gap: 1rem; }
  .confirmation-toast {
    top: 10px;
    right: 10px;
    left: 10px;
    transform: translateY(-100%);
  }
  .confirmation-toast.show {
    transform: translateY(0);
  }
}

@media (prefers-contrast: high) {
  :root {
    --text-secondary: #ffffff;
    --bg-accent: #333333;
  }
}

@media print {
  .bg-grid,
  .future-popup-overlay {
    display: none !important;
  }
  body {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
  }
  .site-footer {
    background: var(--bg-secondary) !important;
    border-top: 1px solid #ccc !important;
  }
  .site-footer p {
    color: var(--text-primary) !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.youtube-container .ratio {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.youtube-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Privacy page specific styles */
.content {
  padding: clamp(2rem, 5vh, 4rem) 0;
  max-width: 800px;
  margin: 0 auto;
}

.page-title {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin-bottom: 2rem;
  background: linear-gradient(45deg, var(--accent-amber), var(--accent-blue));
  -webkit-background-clip: text;
  background-clip: text;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
}

.how-to-panel {
  text-align: left;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.policy-content {
  background: var(--bg-secondary);
  padding: 3rem;
  border-radius: 8px;
  border: 1px solid var(--bg-accent);
  position: relative;
  overflow: hidden;
}

.policy-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-amber), var(--accent-blue), var(--accent-amber));
}

.policy-content h1 {
  color: var(--accent-amber);
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
  text-shadow: 0 0 10px var(--glow-amber);
}

.policy-content h2 {
  color: var(--accent-blue);
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  border-left: 3px solid var(--accent-blue);
  padding-left: 1rem;
}

.policy-content h3 {
  color: var(--accent-amber);
  font-size: 1.2rem;
  margin: 1.5rem 0 0.5rem;
}

.policy-content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.policy-content ul {
  margin: 1rem 0 1rem 1.5rem;
  color: var(--text-secondary);
}

.policy-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.policy-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.divider {
  text-align: center;
  margin: 2rem 0;
  color: var(--accent-amber);
  font-size: 1.5rem;
}

.contact-info {
  background: var(--bg-primary);
  padding: 1rem;
  border-radius: 8px;
  margin-top: 2rem;
  text-align: center;
}

.contact-info h3 {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.contact-link {
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-base);
}

.contact-link:hover {
  color: var(--accent-blue);
  text-shadow: 0 0 5px var(--glow-blue);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 2rem;
  transition: var(--transition-base);
}

.back-link:hover {
  color: var(--accent-amber);
  transform: translateX(-5px);
}

@media (max-width: 768px) {
  .policy-content {
    padding: 2rem 1.5rem;
  }
  .header-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}


/* 404 page specific styles */
.page-404 {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-404 .main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(4rem, 10vh, 8rem) 0;
  text-align: center;
  position: relative;
  min-height: 60vh;
}

.page-404 .main-content::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  width: clamp(150px, 30vw, 300px);
  height: clamp(150px, 30vw, 300px);
  background: radial-gradient(circle, var(--glow-amber) 0%, transparent 70%);
  transform: translateX(-50%);
  z-index: -1;
  animation: pulse 4s ease-in-out infinite;
  will-change: opacity, transform;
}

.page-404 .error-content {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.page-404 .error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 800;
  background: linear-gradient(45deg, var(--accent-amber), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}

.page-404 .error-title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 700;
}

.page-404 .error-message {
  font-size: clamp(1rem, 3vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* Header Nav: blog dropdown */
.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
  margin-right: auto;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown-menu {
  position: absolute;
  left: -18px;
  top: calc(100% + 8px);
  background: var(--bg-secondary);
  border: 1px solid var(--bg-accent);
  border-radius: 6px;
  padding: 0.75rem 0.75rem;
  max-width: 235px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  display: none;
  z-index: var(--z-dropdown);
}

@media (min-width: 600px) {
  .nav-dropdown-menu {
    max-width: 330px;
  }
}
.nav-dropdown[open] .nav-dropdown-menu {
  display: block;
}

@media (hover: hover) {
  .nav-dropdown:hover .nav-dropdown-menu {
    display: block;
    top: 100%;
  }
}

.nav-dropdown-menu .footer-link {
  display: block;
  padding: 0.25rem 0.25rem;
  color: var(--text-primary);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow-x: hidden;
}

.nav-dropdown summary:focus-visible,
.nav-dropdown-menu a:focus-visible {
  outline: 2px solid var(--accent-amber);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Header Nav: items + active underline */
.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
}

.nav-link:visited,
.nav-dropdown-menu .footer-link:visited {
  color: var(--text-primary);
}

.nav-link,
.nav-dropdown summary,
.nav-dropdown-menu a {
  padding-bottom: 2px;
}

.tagline-toggle {
  display: block;
  width: 100%;
  background: transparent;
  border: 0;
  padding: 0;
  text-align: left;
  cursor: pointer;
  margin-top: 2rem;
}

.tagline-toggle::before {
  content: '▸';
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--text-secondary);
}

.tagline-toggle[aria-expanded="true"]::before {
  content: '▾';
}

.collapsible-content[hidden] {
  display: none;
}