/* LobsterBoard Landing Page */
:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --bg-card: #1c2128;
  --border: #30363d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --red: #e74c3c;
  --red-glow: rgba(231, 76, 60, 0.3);
  --red-dark: #c0392b;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--red); text-decoration: none; }
a:hover { color: #ff6b5a; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 60px;
}
.nav-logo img { display: block; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--text-dim); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.875rem;
  border: 1px solid var(--border); color: var(--text); background: var(--bg-card);
  transition: all 0.2s; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--text-dim); color: var(--text); }
.btn-primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--border); }
.btn-outline:hover { border-color: var(--red); color: var(--red); }
.btn-lg { padding: 12px 28px; font-size: 1rem; border-radius: var(--radius); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* Hero */
.hero {
  position: relative; padding: 160px 0 100px; text-align: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--red-glow) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { position: relative; }
.hero-logo { width: 320px; margin: 0 auto 32px; display: block; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.hero-sub { font-size: 1.15rem; color: var(--text-dim); max-width: 600px; margin: 0 auto 32px; }
.hero-sub strong { color: var(--text); }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.hero-badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.hero-badges img { height: 22px; }

/* Sections */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-alt); }
.section-title {
  font-size: 2rem; font-weight: 800; text-align: center; margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section-sub {
  text-align: center; color: var(--text-dim); max-width: 550px; margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* Features Grid */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover { border-color: var(--red); transform: translateY(-2px); }
.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-dim); font-size: 0.92rem; line-height: 1.5; }

/* Screenshot */
.screenshot-wrap {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.screenshot { width: 100%; display: block; }

/* Widgets */
.widget-categories {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.widget-cat {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.widget-cat h3 { font-size: 1rem; margin-bottom: 12px; color: var(--text); }
.widget-cat ul { list-style: none; }
.widget-cat li {
  padding: 4px 0; color: var(--text-dim); font-size: 0.88rem;
  border-bottom: 1px solid rgba(48,54,61,0.5);
}
.widget-cat li:last-child { border: none; }

/* Quick Start */
.quickstart-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px; margin-bottom: 32px;
}
.quickstart-option {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.quickstart-option h3 { font-size: 1rem; margin-bottom: 16px; color: var(--red); }
pre {
  background: #0a0e14; border-radius: var(--radius-sm); padding: 16px; overflow-x: hidden;
  font-size: 0.85rem; line-height: 1.7; word-break: break-all; white-space: pre-wrap;
}
code { font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace; }
.prompt { color: var(--red); user-select: none; }
.quickstart-after { text-align: center; color: var(--text-dim); font-size: 0.95rem; }
.quickstart-after code { background: var(--bg-card); padding: 2px 8px; border-radius: 4px; font-size: 0.85rem; }
kbd {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 6px; font-size: 0.82rem; font-family: inherit;
}

/* CTA */
.cta-section { background: var(--bg-alt); }
.cta-inner {
  display: flex; align-items: center; gap: 48px;
}
.mascot { width: 200px; flex-shrink: 0; animation: float 3s ease-in-out infinite; }
.cta-inner h2 { font-size: 1.8rem; margin-bottom: 12px; }
.cta-inner p { color: var(--text-dim); margin-bottom: 24px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Footer */
.footer {
  border-top: 1px solid var(--border); padding: 24px 0;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-left { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-dim); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-dim); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }

/* Fade-in animations */
.fade-in {
  opacity: 0; transform: translateY(20px);
  animation: fadeIn 0.6s ease forwards;
}
.d1 { animation-delay: 0.15s; }
.d2 { animation-delay: 0.3s; }
.d3 { animation-delay: 0.45s; }
.d4 { animation-delay: 0.6s; }

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

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px 24px; gap: 12px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 120px 0 60px; }
  .hero-logo { width: 220px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .mascot { width: 140px; }
  .quickstart-grid { grid-template-columns: 1fr; }
}