/* Apple-inspired Minimalist Stylesheet */
:root {
  --bg-primary: #000000;
  --bg-secondary: #0c0c0e;
  --bg-card: #151518;
  --bg-card-hover: #1c1c20;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --text-primary: #f5f5f7;
  --text-secondary: #86868b;
  --text-tertiary: #6e6e73;
  --accent-blue: #0071e3;
  --accent-blue-hover: #0077ed;
  --nav-bg: rgba(0, 0, 0, 0.75);
  --btn-secondary-bg: rgba(255, 255, 255, 0.08);
  --hero-title-gradient: linear-gradient(180deg, #ffffff 40%, rgba(255, 255, 255, 0.7) 100%);
  --hero-glow: radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
  --btn-hero-primary-bg: #ffffff;
  --btn-hero-primary-text: #000000;
  --btn-hero-primary-hover: #f0f0f0;
  --btn-nav-primary-bg: #ffffff;
  --btn-nav-primary-text: #000000;
  --btn-nav-primary-hover: #e5e5e7;
  --video-shadow: 0 30px 90px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.12);
  --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-card: #f5f5f7;
  --bg-card-hover: #ebebee;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.18);
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --nav-bg: rgba(255, 255, 255, 0.82);
  --btn-secondary-bg: rgba(0, 0, 0, 0.06);
  --hero-title-gradient: linear-gradient(180deg, #1d1d1f 30%, #434346 100%);
  --hero-glow: radial-gradient(circle at 50% 10%, rgba(0, 0, 0, 0.03) 0%, transparent 60%);
  --btn-hero-primary-bg: #1d1d1f;
  --btn-hero-primary-text: #ffffff;
  --btn-hero-primary-hover: #000000;
  --btn-nav-primary-bg: #000000;
  --btn-nav-primary-text: #ffffff;
  --btn-nav-primary-hover: #222224;
  --video-shadow: 0 20px 60px rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.08);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-stack);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
}

.nav-content {
  max-width: 1080px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-logo {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  object-fit: cover;
  display: block;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--btn-nav-primary-bg);
  color: var(--btn-nav-primary-text);
  padding: 5px 14px;
}

.btn-primary:hover {
  background: var(--btn-nav-primary-hover);
}

.btn-github {
  background: var(--btn-secondary-bg);
  color: var(--text-primary);
  padding: 5px 12px;
  border: 1px solid var(--border-subtle);
}

.btn-github:hover {
  background: var(--border-hover);
}

.btn-icon {
  background: var(--btn-secondary-bg);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--border-hover);
}

/* Theme Icons Toggle */
.theme-icon-sun {
  display: block;
}
.theme-icon-moon {
  display: none;
}

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

.star-badge {
  font-size: 11px;
  color: #ffcc00;
}

/* Hero Section */
.hero {
  padding-top: 130px;
  padding-bottom: 60px;
  text-align: center;
  background: var(--hero-glow);
}

.badge-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #2997ff;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 20px;
  background: var(--hero-title-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
  font-weight: 400;
  line-height: 1.45;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.btn-hero-primary {
  background: var(--btn-hero-primary-bg);
  color: var(--btn-hero-primary-text);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 980px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
}

.btn-hero-primary:hover {
  background: var(--btn-hero-primary-hover);
  transform: translateY(-1px);
}

.btn-hero-secondary {
  background: var(--btn-secondary-bg);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 980px;
  border: 1px solid var(--border-subtle);
}

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

.hero-notes {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 50px;
}

/* Hero Video Presentation */
.hero-video-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 10px;
}

.video-container {
  background: #000000;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--video-shadow);
  border: 1px solid var(--border-subtle);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 0;
}

.hero-video {
  width: 100%;
  height: auto;
  max-height: 580px;
  display: block;
  object-fit: contain;
  background: #000000;
}

/* Sections */
.section {
  padding: 90px 0;
}

.section-dark {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 50px;
}

/* Tools Section */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: var(--transition);
}

.tool-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.tool-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tool-info {
  display: flex;
  flex-direction: column;
}

.tool-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.25;
}

.tool-info p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.45;
}

@media (max-width: 900px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

/* Open Source Banner */
.oss-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.oss-info h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.oss-info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 28px;
}

.oss-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.oss-code {
  background: #000000;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.code-header {
  height: 40px;
  background: #0f0f12;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
}

.code-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-title {
  font-size: 12px;
  color: #86868b;
  margin-left: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #d1d1d6;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-stack);
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.btn-copy.copied {
  background: rgba(39, 201, 63, 0.18);
  border-color: rgba(39, 201, 63, 0.4);
  color: #27c93f;
}

.oss-code pre {
  padding: 20px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #e0e0e0;
  overflow-x: auto;
}

.oss-code code .comment {
  color: var(--text-tertiary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-meta p {
  margin-bottom: 4px;
}

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

.footer-meta a:hover {
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: 20px;
}

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

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

/* Responsive */
@media (max-width: 820px) {
  .nav-links {
    display: none;
  }
  .grid-bento {
    grid-template-columns: 1fr;
  }
  .bento-wide {
    grid-column: span 1;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
  }
  .oss-banner {
    grid-template-columns: 1fr;
    padding: 30px;
  }
  .footer-content {
    flex-direction: column;
  }
}