/* ============================================================
   GuildPilot Public Website — Design System & Styles
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #070A12;
  --bg-card: #101522;
  --bg-card-hover: #161d2f;
  --border: #1F2937;
  --border-accent: rgba(124,58,237,0.3);
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent: #7C3AED;
  --accent-light: #8B5CF6;
  --accent-glow: rgba(124,58,237,0.15);
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --gradient-accent: linear-gradient(135deg, #7C3AED, #a78bfa, #7C3AED);
  --gradient-hero: linear-gradient(180deg, rgba(124,58,237,0.08) 0%, transparent 60%);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-w: 1200px;
  --nav-h: 64px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: #c4b5fd; }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 10px; font-weight: 600;
  font-size: 0.95rem; border: none; cursor: pointer;
  transition: all var(--transition); text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 20px rgba(124,58,237,0.3), 0 4px 12px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 0 30px rgba(124,58,237,0.5), 0 6px 20px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}
.btn-secondary {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent); background: var(--accent-glow);
  transform: translateY(-2px);
}
.btn-ghost { background: transparent; color: var(--text-secondary); padding: 8px 16px; }
.btn-ghost:hover { color: var(--text-primary); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ---- Navigation ---- */
.pub-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h); display: flex; align-items: center;
  background: rgba(7,10,18,0.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(31,41,55,0.5);
  transition: background var(--transition);
}
.pub-nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text-primary); }
.nav-brand img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a, .nav-links button {
  background: none; border: none; color: var(--text-secondary); font-size: 0.9rem;
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-family: inherit;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links button:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.mobile-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 4px; }

/* ---- Mobile Menu ---- */
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(7,10,18,0.97); backdrop-filter: blur(20px);
  flex-direction: column; padding: 80px 24px 24px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a, .mobile-menu button {
  display: block; width: 100%; text-align: left; padding: 16px 0;
  color: var(--text-primary); font-size: 1.1rem; font-weight: 500;
  background: none; border: none; border-bottom: 1px solid rgba(31,41,55,0.4);
  cursor: pointer; font-family: inherit;
}
.mobile-menu .mobile-close {
  position: absolute; top: 16px; right: 24px;
  background: none; border: none; color: var(--text-primary);
  font-size: 1.8rem; cursor: pointer; padding: 0; width: auto;
}

/* ---- Sections ---- */
.section { padding: 100px 0; position: relative; }
.section-sm { padding: 60px 0; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-kicker {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px; color: var(--accent-light);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 16px;
}
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.7; }

/* ---- Hero ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: calc(var(--nav-h) + 40px); padding-bottom: 80px;
  background: var(--gradient-hero);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-content { max-width: 580px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px; font-size: 0.82rem; font-weight: 500;
  background: rgba(124,58,237,0.12); border: 1px solid rgba(124,58,237,0.25);
  color: var(--accent-light); margin-bottom: 20px;
}
.hero-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--success); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero-title {
  font-size: clamp(2.6rem, 5vw, 3.8rem); font-weight: 900;
  line-height: 1.08; margin-bottom: 20px;
}
.hero-title .gradient-text {
  background: var(--gradient-accent);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s ease-in-out infinite;
}
@keyframes gradientShift { 0%,100% { background-position: 0% center; } 50% { background-position: 100% center; } }
.hero-desc { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-proof { display: flex; align-items: center; gap: 16px; color: var(--text-muted); font-size: 0.85rem; }
.hero-proof span { display: flex; align-items: center; gap: 6px; }
.hero-visual { position: relative; }
.hero-mockup {
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(124,58,237,0.1);
  border: 1px solid rgba(31,41,55,0.6);
  transition: transform var(--transition);
}
.hero-mockup:hover { transform: scale(1.02) translateY(-4px); }
.hero-glow {
  position: absolute; bottom: -40px; right: -40px; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(124,58,237,0.2) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}

/* ---- Problem Section ---- */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.problem-before, .problem-after {
  padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--border);
}
.problem-before { background: rgba(239,68,68,0.05); border-color: rgba(239,68,68,0.2); }
.problem-after { background: var(--accent-glow); border-color: var(--border-accent); }
.problem-label {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; margin-bottom: 16px;
}
.problem-before .problem-label { color: var(--error); }
.problem-after .problem-label { color: var(--accent-light); }
.problem-items { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.problem-items li { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 0.95rem; }
.problem-items li .icon { font-size: 1.1rem; flex-shrink: 0; }

/* ---- Feature Cards ---- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; position: relative;
  transition: all var(--transition); overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-accent); opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover { border-color: var(--border-accent); transform: translateY(-4px); background: var(--bg-card-hover); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; font-size: 1.4rem;
  background: var(--accent-glow); margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; margin-bottom: 16px; }
.feature-bullets { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.feature-bullets li {
  font-size: 0.78rem; padding: 4px 10px; border-radius: 6px;
  background: rgba(148,163,184,0.08); color: var(--text-muted);
}

/* ---- Use Cases ---- */
.usecases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.usecase-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
  transition: all var(--transition);
}
.usecase-card:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.usecase-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--accent-light); }
.usecase-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 16px; line-height: 1.6; }
.usecase-bullets { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.usecase-bullets li { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.usecase-bullets li::before { content: '\2713'; color: var(--success); font-weight: 700; font-size: 0.8rem; }

/* ---- Comparison Table ---- */
.compare-table-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 14px 20px; text-align: left; font-size: 0.92rem; }
.compare-table thead th {
  background: rgba(124,58,237,0.08); font-weight: 700; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.compare-table tbody tr { border-bottom: 1px solid rgba(31,41,55,0.5); transition: background var(--transition); }
.compare-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.compare-table tbody tr:last-child { border-bottom: none; }
.compare-table td:first-child { color: var(--text-primary); font-weight: 500; }
.compare-table .tag-extra { color: var(--text-muted); font-size: 0.85rem; }
.compare-table .tag-included {
  color: var(--success); font-weight: 600; font-size: 0.85rem;
  display: inline-flex; align-items: center; gap: 4px;
}

/* ---- Trust Section ---- */
.trust-badges {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 16px;
  margin-top: 40px;
}
.trust-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 0.88rem; color: var(--text-secondary); transition: all var(--transition);
}
.trust-badge:hover { border-color: var(--border-accent); }
.trust-badge .icon { font-size: 1.2rem; }

/* ---- Pricing Cards ---- */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px; }
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; position: relative;
  transition: all var(--transition); display: flex; flex-direction: column;
}
.pricing-card.featured { border-color: var(--accent); box-shadow: 0 0 30px rgba(124,58,237,0.15); }
.pricing-card.featured::after {
  content: 'Most Popular'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; padding: 4px 16px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.pricing-card .price { font-size: 2.2rem; font-weight: 800; margin: 16px 0 4px; }
.pricing-card .price .period { font-size: 0.85rem; font-weight: 400; color: var(--text-muted); }
.pricing-card .price-note { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 20px; }
.pricing-card .plan-desc { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.5; }
.pricing-card .plan-features { list-style: none; flex: 1; margin-bottom: 24px; }
.pricing-card .plan-features li { padding: 6px 0; font-size: 0.88rem; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
.pricing-card .plan-features li::before { content: '\2713'; color: var(--success); font-weight: 700; }
.pricing-card .plan-features li.excluded { color: var(--text-muted); opacity: 0.72; }
.pricing-card .plan-features li.excluded::before { content: '\2715'; color: #f87171; }

/* ---- CTA Section ---- */
.cta-section {
  text-align: center; padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(124,58,237,0.06));
}
.cta-section h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }
.cta-section p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---- FAQ ---- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; padding: 20px 0; background: none; border: none;
  color: var(--text-primary); font-size: 1rem; font-weight: 600;
  text-align: left; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-family: inherit; transition: color var(--transition);
}
.faq-question:hover { color: var(--accent-light); }
.faq-question .arrow { transition: transform var(--transition); font-size: 0.9rem; color: var(--text-muted); }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 20px; }
.faq-answer p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }

/* ---- Footer ---- */
.pub-footer {
  border-top: 1px solid var(--border); padding: 60px 0 30px;
  background: rgba(7,10,18,0.95);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; margin-top: 12px; line-height: 1.6; max-width: 300px; }
.footer-col h4 { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-secondary); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.88rem; padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid rgba(31,41,55,0.4); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); font-size: 0.82rem; }

/* ---- Scroll Animations ---- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-proof { justify-content: center; }
  .hero-visual { max-width: 600px; margin: 0 auto; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta .btn-secondary { display: none; }
  .mobile-toggle { display: block; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 36px; }
  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .compare-table th, .compare-table td { padding: 10px 12px; font-size: 0.85rem; }
}