:root {
  /* Blue-tinted neutrals */
  --neutral-50: #f8f9fc;
  --neutral-100: #f1f3f9;
  --neutral-200: #eaedf5;
  --neutral-300: #dce0eb;
  --neutral-400: #a8b2c8;
  --neutral-500: #64708b;
  --neutral-600: #475269;
  --neutral-700: #242d3e;
  --neutral-800: #171c2b;
  --neutral-900: #0a0e1c;
  --neutral-950: #020617;

  /* Primary - Reddit orange with neo-retro twist */
  --primary-300: #ff8566;
  --primary-400: #ff6844;
  --primary-500: #ff4500;
  --primary-600: #cc3700;
  --primary-700: #992900;

  /* Semantic */
  --green-400: #4ade80;
  --green-500: #22c55e;
}

/* Dark mode (default) */
:root,
:root[data-theme="dark"] {
  --bg: var(--neutral-950);
  --surface: var(--neutral-900);
  --card-bg: var(--neutral-800);
  --text: var(--neutral-100);
  --text-secondary: var(--neutral-400);
  --border: var(--neutral-700);
  --accent: var(--primary-500);
  --shadow: rgba(2, 6, 23, 0.4);
  --bg-pattern: var(--neutral-900);
}

/* Light mode */
:root[data-theme="light"] {
  --bg: var(--neutral-50);
  --surface: var(--neutral-100);
  --card-bg: #ffffff;
  --text: var(--neutral-900);
  --text-secondary: var(--neutral-600);
  --border: var(--neutral-300);
  --accent: var(--primary-500);
  --shadow: rgba(71, 82, 105, 0.2);
  --bg-pattern: var(--neutral-100);
}

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

body {
  font-family: 'Recursive', -apple-system, BlinkMacSystemFont, sans-serif;
  font-variation-settings: "MONO" 0, "CASL" 0, "CRSV" 0, "slnt" 0;
  font-weight: 450;
  background: var(--bg);
  background-image:
    radial-gradient(circle, var(--bg-pattern) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 200ms ease-in-out, color 200ms ease-in-out;
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--card-bg);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: 4px;
  width: 44px;
  height: 44px;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 2px 4px 0 0 var(--shadow);
  z-index: 100;
  transition: all 100ms ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.theme-toggle:hover {
  background: var(--surface);
  border-color: var(--neutral-600);
}

.theme-toggle:active {
  transform: translateY(2px) scale(0.98);
  box-shadow: none;
}

.theme-icon {
  line-height: 1;
  user-select: none;
}

.single-screen-container {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 48px;
  padding: 32px 48px 0;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

/* Hero Section - Left Column */
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 20px 0;
}

.hero-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  filter: drop-shadow(2px 4px 0 var(--shadow));
}

.hero-section h1 {
  font-family: 'Crimson Pro', serif;
  font-size: 36px;
  font-weight: 400;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -0.025em;
}

.tagline {
  font-size: 16px;
  font-weight: 450;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.motivation-text {
  font-size: 14px;
  font-weight: 450;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 360px;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 300px;
}

.btn {
  display: block;
  padding: 8px 20px;
  border-radius: 4px;
  text-decoration: none;
  text-align: center;
  font-family: 'Crimson Pro', serif;
  font-size: 16px;
  font-weight: 650;
  border: 2px solid;
  transition: all 100ms ease-in-out;
}

.btn-primary {
  background: linear-gradient(180deg, var(--primary-400) 0%, var(--primary-500) 100%);
  color: white;
  border-color: var(--primary-600);
  box-shadow: 1px 2px 0 0 var(--primary-600);
}

.btn-primary:hover {
  border-color: var(--primary-700);
  box-shadow: 1px 2px 0 0 var(--primary-400);
}

.btn-primary:active {
  transform: translateY(2px) scale(0.98);
  box-shadow: none;
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text);
  border-color: var(--border);
  box-shadow: 1px 2px 0 0 var(--border);
}

.btn-secondary:hover {
  border-color: var(--neutral-600);
  box-shadow: 1px 2px 0 0 var(--neutral-600);
}

.btn-secondary:active {
  transform: translateY(2px) scale(0.98);
  box-shadow: none;
}

/* Content Section - Right Column */
.content-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 20px 0;
}

.content-section h2 {
  font-family: 'Crimson Pro', serif;
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: -0.025em;
}

/* Screenshots Compact */
.screenshots-compact {
  flex: 1;
  min-height: 0;
}

/* Carousel */
.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  display: flex;
  align-items: center;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--card-bg);
  border-radius: 4px;
  border: 2px solid var(--border);
  box-shadow: 2px 4px 0 0 var(--shadow);
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  cursor: pointer;
  transition: transform 0.2s ease-in-out;
}

.carousel-img:hover {
  transform: scale(1.02);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--card-bg);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: 4px;
  width: 40px;
  height: 40px;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 2px 4px 0 0 var(--shadow);
  z-index: 10;
  transition: all 100ms ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
  line-height: 1;
  user-select: none;
}

.carousel-btn:hover {
  background: var(--neutral-700);
  border-color: var(--neutral-600);
}

.carousel-btn:active {
  transform: translateY(-50%) translateY(2px) scale(0.98);
  box-shadow: none;
}

.carousel-btn-prev {
  left: -50px;
}

.carousel-btn-next {
  right: -50px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
}

:root[data-theme="light"] .modal {
  background-color: rgba(255, 255, 255, 0.95);
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  border: 2px solid var(--border);
  border-radius: 4px;
  box-shadow: 4px 8px 0 0 var(--shadow);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: var(--text);
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 4px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 4px 0 0 var(--shadow);
  line-height: 1;
  user-select: none;
}

.modal-close:hover {
  background: var(--neutral-700);
  border-color: var(--neutral-600);
}

/* Features Compact */
.features-compact {
  flex-shrink: 0;
}

.features-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.features-list li {
  padding: 8px 12px;
  background: var(--card-bg);
  border-radius: 4px;
  border: 2px solid var(--border);
  box-shadow: 2px 4px 0 0 var(--shadow);
  font-size: 13px;
  font-weight: 450;
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-icon {
  color: var(--green-400);
  font-weight: 650;
  flex-shrink: 0;
  font-size: 14px;
}

/* Footer */
.compact-footer {
  padding: 16px 48px;
  border-top: 2px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 450;
  flex-shrink: 0;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer-links .divider {
  color: var(--neutral-600);
}

.compact-footer a {
  color: var(--primary-400);
  text-decoration: none;
  text-decoration-line: underline;
  text-decoration-color: rgba(255, 104, 68, 0.3);
  text-underline-offset: 2px;
  text-decoration-thickness: 2px;
  transition: text-decoration-color 100ms ease-in-out;
}

.compact-footer a:hover {
  text-decoration-color: var(--primary-400);
}

.compact-footer p {
  margin: 0;
}

/* Privacy Page */
.privacy-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 60px 20px;
}

.privacy-content h1 {
  margin-bottom: 32px;
}

.privacy-content h2 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--accent);
}

.privacy-content p, .privacy-content ul {
  color: var(--muted);
  margin-bottom: 16px;
}

.privacy-content ul {
  padding-left: 24px;
}

.privacy-content li {
  margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
  .single-screen-container {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 24px;
  }

  .hero-section {
    align-items: center;
    text-align: center;
  }

  .motivation-text {
    text-align: center;
  }

  .cta-buttons {
    max-width: 100%;
  }

  .features-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .carousel-btn-prev {
    left: 10px;
  }

  .carousel-btn-next {
    right: 10px;
  }

  .footer-content {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .single-screen-container {
    padding: 16px;
  }

  .hero-section h1 {
    font-size: 30px;
  }

  .content-section h2 {
    font-size: 20px;
  }

  .features-list {
    grid-template-columns: 1fr;
  }

  .carousel-container {
    min-height: 300px;
  }

  .carousel-btn {
    width: 35px;
    height: 35px;
    font-size: 20px;
  }

  .carousel-btn-prev {
    left: 5px;
  }

  .carousel-btn-next {
    right: 5px;
  }

  .modal-close {
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    font-size: 30px;
  }
}