@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg-page: #f6f7fb;
  --bg-card: #ffffff;
  --text-main: #172033;
  --text-muted: #647084;
  --border-color: #e3e7ef;
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --soft-blue: #0ea5e9;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  
  --shadow-sm: 0 2px 8px rgba(23, 32, 51, 0.04);
  --shadow-md: 0 4px 12px rgba(23, 32, 51, 0.08);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: 44px; letter-spacing: -0.02em; margin-bottom: 24px; }
h2 { font-size: 34px; letter-spacing: -0.01em; margin-bottom: 16px; }
h3 { font-size: 20px; margin-bottom: 8px; }
h4 { font-size: 16px; margin-bottom: 8px; }
p { font-size: 16px; margin-bottom: 16px; color: var(--text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none !important;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff !important;
}

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

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: #d8deea;
}

.btn-secondary:hover {
  background-color: #f8fafc;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

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

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none !important;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none !important;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
}

/* Hero Section */
.hero {
  padding: 48px 0 64px;
  background-color: var(--bg-page);
  border-bottom: 1px solid var(--border-color);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.hero-text h1 {
  max-width: 500px;
}

.hero-text p {
  font-size: 18px;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(88,101,242,0.12) 0%, rgba(14,165,233,0.06) 40%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-image-card {
  width: 100%;
  max-width: 580px;
  aspect-ratio: 16 / 10;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
  background-color: var(--bg-card);
  z-index: 1;
}

.hero-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.hero-sample-card {
  margin-top: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  max-width: 440px;
}

.sample-msg {
  margin-bottom: 12px;
}

.sample-msg:last-child {
  margin-bottom: 0;
}

.sample-author {
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
}

.sample-author.bot::after {
  content: "BOT";
  background-color: var(--accent);
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

.sample-content {
  color: var(--text-muted);
  line-height: 1.5;
}

/* Sections Base */
section {
  padding: 64px 0;
}

.section-header {
  margin-bottom: 48px;
  max-width: 600px;
}

.section-header p {
  font-size: 18px;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.feature-card.highlight {
  grid-column: 1 / -1;
  display: flex;
  gap: 32px;
  align-items: center;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: var(--bg-page);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  color: var(--accent);
  margin-bottom: 20px;
  flex-shrink: 0;
}

.feature-card.highlight .feature-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 0;
}

.feature-card.highlight h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.feature-card.highlight p {
  font-size: 18px;
  margin-bottom: 0;
}

/* Home Commands */
.home-commands {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cmd-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.cmd-group h3 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.cmd-pill {
  display: inline-block;
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  margin-right: 8px;
  margin-bottom: 8px;
  color: var(--text-main);
}

.cmd-action {
  margin-top: 40px;
}

/* Setup Tabs */
.setup-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.setup-tab {
  padding: 8px 16px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  font-size: 15px;
  transition: all 0.2s;
}

.setup-tab:hover {
  color: var(--text-main);
}

.setup-tab.active {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.setup-content-pane {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.setup-content-pane.active {
  display: block;
}

.code-block {
  background-color: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  overflow-x: auto;
  position: relative;
  margin-bottom: 16px;
}

.code-block pre {
  margin: 0;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--code-text);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: rgba(255,255,255,0.2);
}

/* Docs Page */
.docs-layout {
  display: flex;
  gap: 40px;
  padding: 48px 24px 88px;
  max-width: 1180px;
  margin: 0 auto;
  align-items: flex-start;
}

.docs-sidebar {
  width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 104px;
}

.docs-nav h3 {
  font-size: 13px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.docs-nav ul {
  list-style: none;
}

.docs-nav li {
  margin-bottom: 4px;
}

.docs-nav a {
  display: block;
  padding: 8px 12px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
}

.docs-nav a:hover, .docs-nav a.active {
  background: var(--bg-card);
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.docs-main {
  flex: 1;
  min-width: 0;
}

.docs-search {
  margin-bottom: 40px;
  position: relative;
}

.docs-search input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: var(--font-sans);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  color: var(--text-main);
}

.docs-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.15);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.docs-category {
  margin-bottom: 56px;
}

.docs-category h2 {
  font-size: 24px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.cmd-doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.cmd-doc-header {
  margin-bottom: 16px;
}

.cmd-doc-name {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
}

.cmd-doc-field {
  margin-bottom: 16px;
}

.cmd-doc-field:last-child {
  margin-bottom: 0;
}

.cmd-doc-label {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.cmd-doc-value {
  color: var(--text-main);
  font-size: 16px;
}

.cmd-doc-code {
  font-family: var(--font-mono);
  background: var(--bg-page);
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  display: inline-block;
  font-size: 15px;
}

/* Policies */
.policy-header {
  padding: 64px 0 32px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 48px;
  text-align: center;
}

.policy-content {
  max-width: 820px;
  margin: 0 auto 88px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 48px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.policy-content h3 {
  font-size: 22px;
  margin-top: 32px;
  margin-bottom: 16px;
}

.policy-content p, .policy-content ul {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

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

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 48px 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand h3 {
  font-size: 18px;
  margin-bottom: 4px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 15px;
}

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

/* Responsive */
@media (max-width: 992px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-visual {
    align-items: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card.highlight {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  
  .docs-layout {
    flex-direction: column;
  }
  
  .docs-sidebar {
    width: 100%;
    position: static;
  }
  
  .docs-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .docs-nav li {
    margin-bottom: 0;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
}