@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;700&family=JetBrains+Mono&display=swap");

:root {
  --bg-color: white;
  --text-color: #111;
  --accent-color: #0066cc;
  --secondary-text: #666;
  --border-color: #ddd;
  --terminal-bg: #f5f5f5;
  --font-ui: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
  --transition-speed: 0.3s;
}

body.dark-mode {
  --bg-color: #1a1a1a;
  --text-color: #e0e0e0;
  --accent-color: #66b3ff;
  --secondary-text: #999;
  --border-color: #444;
  --terminal-bg: #2a2a2a;
}

body {
  font-family: var(--font-ui);
  font-size: 18px;
  color: var(--text-color);
  background-color: var(--bg-color);
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 50px;
  box-sizing: border-box;
  line-height: 1.6;
  transition:
    background-color var(--transition-speed),
    color var(--transition-speed);
}

a {
  color: inherit;
  text-decoration: underline;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

header {
  padding: 15px 0 0 0;
  text-align: center;
}

.logo {
  font-size: 85px;
  font-weight: bold;
  letter-spacing: 6px;
  margin: 0;
  color: #000;
  line-height: 1.1;
}

body.dark-mode .logo {
  color: #e0e0e0;
}

.subtitle {
  font-size: 22.5px;
  color: var(--secondary-text);
  margin-top: 0;
  margin-bottom: 17.5px;
  font-weight: normal;
}

nav {
  text-align: center;
  padding: 0;
  margin-bottom: 0;
}

.links-container {
  font-size: 20px;
  margin: 0;
}

.links-container a {
  text-decoration: underline;
  margin: 0 12px;
  color: inherit;
  font-weight: 500;
}

.separator {
  letter-spacing: -9px;
  color: var(--secondary-text);
  opacity: 0.5;
}

.theme-toggle {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: inherit;
  padding: 0;
  margin: 0 12px;
  text-decoration: underline;
  vertical-align: baseline;
  line-height: inherit;
}

h2 {
  margin-top: 35px;
  margin-bottom: 4px;
  scroll-margin-top: 40px;
  font-weight: 700;
}

p {
  margin-top: 0;
  margin-bottom: 10px;
}

.demo-container {
  background-color: var(--terminal-bg);
  padding: 0;
  border-radius: 0;
  margin: 15px 0;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}

.demo-video {
  width: 100%;
  height: 600px;
  display: block;
}

@media (max-width: 900px) {
  .demo-video {
    height: 450px;
  }
}

@media (max-width: 600px) {
  .demo-video {
    height: 300px;
  }
}

.youtube-facade {
  position: relative;
  display: block;
  width: 100%;
  height: 600px;
  padding: 0;
  border: 0;
  background: #000;
  cursor: pointer;
  overflow: hidden;
}

.youtube-facade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.8;
  transition: opacity 0.3s ease;
  border: 0;
}

.youtube-facade:hover img,
.youtube-facade:focus img {
  opacity: 1;
}

.youtube-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 56px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  border-radius: 0;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition:
    background 0.2s,
    transform 0.2s;
}

.youtube-facade:hover .youtube-play,
.youtube-facade:focus .youtube-play {
  background: #f00;
  transform: translate(-50%, -50%) scale(1.1);
}

@media (max-width: 900px) {
  .youtube-facade {
    height: 450px;
  }
}

@media (max-width: 600px) {
  .youtube-facade {
    height: 300px;
  }
}

.install-command {
  background-color: var(--terminal-bg);
  border-radius: 0;
  margin: 10px 0;
  border: 1px solid var(--border-color);
  overflow-x: auto;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.install-command pre {
  margin: 0;
  padding: 24px 70px 24px 24px;
}

.install-command code {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--text-color);
  white-space: nowrap;
}

.cmd-keyword {
  color: #0066cc !important;
  font-weight: bold !important;
}

.cmd-flag {
  color: #994c00 !important;
}

.cmd-url {
  color: #009900 !important;
}

.cmd-pipe {
  color: var(--secondary-text) !important;
}

body.dark-mode .cmd-keyword {
  color: #66b3ff !important;
}

body.dark-mode .cmd-flag {
  color: #ffcc99 !important;
}

body.dark-mode .cmd-url {
  color: #66ff66 !important;
}

.copyable {
  position: relative;
}

.copyable button {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  background-color: var(--bg-color);
  color: var(--secondary-text);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 0;
  cursor: pointer;
  font-size: 14px;
  font-family: var(--font-ui);
  transition: all 0.2s ease;
}

.copyable button:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin: 10px 0;
}

.feature {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-left: 3px solid var(--text-color);
  background: rgba(0, 0, 0, 0.04);
  border-radius: 0;
}

body.dark-mode .feature {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.05);
}

.feature-title {
  font-weight: bold;
  margin-bottom: 2px;
  font-size: 17px;
  line-height: 1.3;
  min-height: 2.6em;
  display: flex;
  align-items: flex-start;
}

.feature-desc {
  font-size: 15px;
  color: var(--secondary-text);
  line-height: 1.5;
  flex-grow: 1;
}

.back-to-top-link {
  color: var(--secondary-text);
  text-decoration: underline;
  transition: opacity 0.3s ease;
  display: inline;
}

.footer-text {
  margin-top: 150px;
  margin-bottom: 15px;
  text-align: center;
  font-size: 14px;
  color: var(--secondary-text);
}

.footer-text .separator {
  margin: 0 10px;
  letter-spacing: normal;
}

@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    padding: 0 24px;
    font-size: 16px;
  }
  .logo {
    font-size: 64px;
  }
  .subtitle {
    font-size: 18px;
  }
  .links-container {
    font-size: 17px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
  }
  .links-container a,
  .theme-toggle {
    margin: 0 4px;
  }
  .install-command code {
    font-size: 14px;
  }
  .separator {
    letter-spacing: normal;
    margin: 0;
    opacity: 0.3;
  }
  .footer-text {
    margin-top: 80px;
  }
}

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

@media (max-width: 480px) {
  body {
    padding: 0 16px;
  }
  .logo {
    font-size: 48px;
  }
  .subtitle {
    font-size: 16px;
  }
}