:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #38bdf8;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-purple: #818cf8;
  --accent-orange: #f97316;
  --accent-emerald: #10b981;
  --code-bg: #030712;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px -5px rgba(56, 189, 248, 0.15);
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(129, 140, 248, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(11, 15, 25, 0.8);
  border-bottom: 1px solid var(--border-color);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-logo img {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
}

.brand-badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.btn-nav-github {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main) !important;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  transition: all 0.2s ease !important;
}

.btn-nav-github:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Hero Section */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.text-gradient {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}

/* Quick Installer Box */
.installer-box {
  max-width: 680px;
  margin: 0 auto 2.5rem;
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.4);
}

.installer-code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  overflow-x: auto;
  white-space: nowrap;
  padding-right: 1rem;
}

.installer-code .prompt-symbol {
  color: var(--text-dim);
  user-select: none;
  margin-right: 0.5rem;
}

.btn-copy {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-cyan);
}

.btn-copy.copied {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

/* Action Buttons */
.hero-cta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: #0284c7;
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px 0 rgba(2, 132, 199, 0.39);
}

.btn-primary:hover {
  background: #0369a1;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Screenshot Preview Section */
.showcase-section {
  padding: 2rem 0 5rem;
}

.screenshot-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
}

.window-header {
  background: #1f2937;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.window-controls {
  display: flex;
  gap: 0.5rem;
}

.win-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.win-close { background: #ef4444; }
.win-min { background: #eab308; }
.win-max { background: #22c55e; }

.window-title {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-weight: 500;
}

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

/* Specs Bar */
.specs-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.spec-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.spec-text h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.spec-text p {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Features Grid */
.features-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-icon-wrapper img {
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Downloads Section */
.download-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-color);
}

.platform-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
}

.tab-btn.active {
  background: #0284c7;
  color: white;
  border-color: #0284c7;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.download-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.download-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.download-item h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.download-item .badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.download-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.download-cmd {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #e5e7eb;
  margin-bottom: 1.25rem;
  word-break: break-all;
}

.btn-download {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-download:hover {
  background: #0284c7;
  color: white;
  border-color: #0284c7;
}

/* Author Tribute Section */
.tribute-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.4) 0%, rgba(11, 15, 25, 0.8) 100%);
}

.tribute-box {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 3rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.tribute-quote-icon {
  font-size: 3rem;
  color: rgba(56, 189, 248, 0.3);
  line-height: 1;
  margin-bottom: 1rem;
}

.tribute-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.tribute-body {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.tribute-author-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.author-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.2);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.author-meta h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.author-meta p {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  background: var(--bg-primary);
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-meta p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .nav-wrapper {
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
    gap: 1rem;
  }
  
  .hero {
    padding: 3rem 0 2rem;
  }
  
  .tribute-box {
    padding: 2rem 1.5rem;
  }

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