/* ============================================
   SlothyTerminal Landing Page Styles
   "Take it slow, ship it fast."
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Dark mode (default) - blue/cyan theme */
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-primary: #38BDF8;
  --accent-secondary: #22D3EE;
  --border-color: rgba(148, 163, 184, 0.1);
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --card-border: 1px solid rgba(148, 163, 184, 0.1);

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Spacing */
  --section-padding: clamp(60px, 10vw, 100px);
  --container-max: 1200px;
  --border-radius: 16px;
  --border-radius-sm: 8px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #E2E8F0;
  --bg-tertiary: #CBD5E1;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --accent-primary: #0EA5E9;
  --accent-secondary: #06B6D4;
  --border-color: rgba(15, 23, 42, 0.1);
  --card-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --card-border: 1px solid rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-medium), color var(--transition-medium);
  overflow-x: hidden;
}

/* Page Load Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content,
.section-title,
.section-subtitle,
.feature-card,
.carousel,
.install-card,
.footer-columns {
  animation: fadeInUp 0.6s ease-out both;
}

.hero-content {
  animation-delay: 0.1s;
}

.section-title {
  animation-delay: 0.05s;
}

.section-subtitle {
  animation-delay: 0.1s;
}

.feature-card:nth-child(1) {
  animation-delay: 0.1s;
}

.feature-card:nth-child(2) {
  animation-delay: 0.15s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.2s;
}

.feature-card:nth-child(4) {
  animation-delay: 0.25s;
}

.feature-card:nth-child(5) {
  animation-delay: 0.3s;
}

.feature-card:nth-child(6) {
  animation-delay: 0.35s;
}

.carousel {
  animation-delay: 0.15s;
}

.install-card:nth-child(1) {
  animation-delay: 0.1s;
}

.install-card:nth-child(2) {
  animation-delay: 0.15s;
}

.footer-columns {
  animation-delay: 0.1s;
}

/* Dots Pattern Background */
.dots-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  background-image: radial-gradient(circle, var(--text-muted) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.3;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px;
  background: var(--bg-primary);
  border-bottom: var(--card-border);
  transition: background var(--transition-medium);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.nav-github {
  display: flex;
  align-items: center;
}

.theme-toggle {
  background: var(--bg-secondary);
  border: var(--card-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.icon-sun {
  display: none;
}

.icon-moon {
  display: block;
}

[data-theme="light"] .icon-sun {
  display: block;
}

[data-theme="light"] .icon-moon {
  display: none;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 700px;
}

.hero-icon-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 32px;
}

.hero-icon {
  width: 180px;
  height: 180px;
  border-radius: 40px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--accent-primary);
  margin-bottom: 24px;
  opacity: 0.9;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-platform {
  margin-top: 8px;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  border: var(--card-border);
}

/* Floating terminal decoration */
.hero-decoration {
  position: absolute;
  bottom: 10%;
  right: 10%;
  pointer-events: none;
  opacity: 0.4;
}

.floating-terminal {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-primary);
  background: var(--bg-secondary);
  padding: 12px 20px;
  border-radius: 8px;
  border: var(--card-border);
  animation: pulse 3s ease-in-out infinite;
}

.floating-terminal .prompt {
  color: var(--accent-secondary);
}

.floating-terminal .cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent-primary);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.4;
    transform: translateY(0);
  }

  50% {
    opacity: 0.6;
    transform: translateY(-5px);
  }
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: #0F172A;
  font-weight: 600;
}

.btn-primary:hover {
  background: #7DD3FC;
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: var(--bg-secondary);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
}

/* ============================================
   Section Styles
   ============================================ */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 60px;
}

/* ============================================
   Features Section
   ============================================ */
.features {
  padding: var(--section-padding) 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 32px;
  border: var(--card-border);
  transition: all var(--transition-medium);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: 14px;
  margin-bottom: 20px;
  color: var(--accent-primary);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   Screenshot Section
   ============================================ */
.screenshot {
  padding: var(--section-padding) 24px;
}

/* Carousel - Simple fade-based approach */
.carousel {
  position: relative;
  max-width: 80%;
  margin: 0 auto;
}

.carousel-viewport {
  position: relative;
  border-radius: 12px;
  background: var(--bg-secondary);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  z-index: 1;
}

.carousel-track {
  position: relative;
}

.carousel-slide {
  display: none;
}

.carousel-slide.active {
  display: block;
}

.carousel-img {
  display: block;
  width: 100%;
  height: auto;
}

.carousel-caption {
  padding: 16px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  background: var(--bg-tertiary);
  border-top: var(--card-border);
}

/* Carousel Navigation Buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 100;
  pointer-events: auto;
}

.carousel-btn:hover {
  background: var(--accent-primary);
  color: #fff;
}

.carousel-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-btn-prev {
  left: 16px;
}

.carousel-btn-next {
  right: 16px;
}

/* Carousel Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.carousel-dot:hover {
  background: var(--accent-secondary);
}

.carousel-dot.active {
  background: var(--accent-primary);
  transform: scale(1.2);
}

/* ============================================
   Install Section
   ============================================ */
.install {
  padding: var(--section-padding) 24px;
  background: var(--bg-secondary);
}

.install-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.install-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 32px;
  border: var(--card-border);
  position: relative;
}

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

.install-card-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--accent-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.install-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.install-card-title svg {
  color: var(--accent-primary);
}

.install-card-description {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.code-block {
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  max-width: 100%;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.8;
  word-break: break-all;
}

.code-block .prompt {
  color: var(--accent-primary);
  user-select: none;
}

.requirements {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.requirements-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.requirements-list {
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.requirements-list li {
  padding: 4px 0;
}

.requirements-list li::before {
  content: '✓';
  color: var(--accent-primary);
  margin-right: 8px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 80px 24px 40px;
  background: #020617;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

[data-theme="light"] .footer {
  background: #1E293B;
}

.footer-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  align-items: flex-start;
  gap: 16px;
}

.footer-logo {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: #94A3B8;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: #E2E8F0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-list a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-list a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  color: #64748B;
  font-size: 0.85rem;
}

.footer-bottom .heart {
  color: var(--accent-primary);
}

.footer-license {
  margin-top: 8px;
  opacity: 0.7;
}

.footer-author-link {
  color: #94A3B8;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-author-link:hover {
  color: var(--accent-primary);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  .nav-links a:not(.nav-github) {
    display: none;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero-icon {
    width: 140px;
    height: 140px;
    border-radius: 32px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero-decoration {
    display: none;
  }

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

  .install-options {
    grid-template-columns: 1fr;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
  }

  .carousel-btn-prev {
    left: 8px;
  }

  .carousel-btn-next {
    right: 8px;
  }

  .carousel-caption {
    padding: 12px 16px;
    font-size: 0.85rem;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer-brand {
    align-items: center;
  }

  .footer-column {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .feature-card {
    padding: 24px;
  }

  .install-card {
    padding: 20px;
  }

  .code-block {
    padding: 12px 14px;
  }

  .code-block code {
    font-size: 0.75rem;
  }

  .install-card-title {
    font-size: 1.1rem;
  }

  .btn-large {
    padding: 14px 24px;
    font-size: 1rem;
  }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--accent-primary);
  color: #fff;
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
  cursor: pointer;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform var(--transition-medium);
  cursor: default;
}

.lightbox.active .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-btn-prev {
  left: 24px;
}

.lightbox-btn-next {
  right: 24px;
}

@media (max-width: 768px) {
  .lightbox-btn {
    width: 44px;
    height: 44px;
  }

  .lightbox-btn-prev {
    left: 12px;
  }

  .lightbox-btn-next {
    right: 12px;
  }

  .lightbox-close {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}

/* Make carousel images clickable */
.carousel-img {
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.carousel-img:hover {
  opacity: 0.9;
}