@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@600;700&family=IBM+Plex+Mono&family=Noto+Sans+SC:wght@400;500&display=swap');

:root {
  --bg: #0A1220;
  --panel: #101A2A;
  --ink: #E4EDF4;
  --dim: #7689A8;
  --line: rgba(228,237,244,0.09);
  --acc: #63E0B0;
  --radius: 3px;
  --trans: 0.35s cubic-bezier(0.2,1,0.3,1);
  --container-width: 1200px;
}

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--ink);
  line-height: 1.8;
  background-color: var(--bg);
  position: relative;
  overflow-x: hidden;
}

/* Background Canvas & HUD */
#canvas-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}
.hud-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}
.hud-tl { position: absolute; top: 20px; left: 20px; }
.hud-tr { position: absolute; top: 20px; right: 20px; text-align: right; }
.hud-bl { position: absolute; bottom: 20px; left: 20px; }

h1, h2, h3, h4, h5, h6, .logo {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 600;
  color: var(--ink);
}

a {
  text-decoration: none;
  color: var(--ink);
  transition: all var(--trans);
}

a:hover {
  color: var(--acc);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 10; /* above background */
}

/* Header & Nav */
header {
  background: transparent;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}
.nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 70px;
  position: relative;
}
.logo { 
  font-size: 1.5rem; 
  position: absolute;
  left: 20px;
}
.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}
.nav-links a.btn {
  position: absolute;
  right: 20px;
}
.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--trans);
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.1em;
  border: 1px solid var(--line);
}
.btn-primary {
  background: var(--acc);
  color: var(--bg) !important;
  border-color: var(--acc);
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--bg);
  color: var(--acc) !important;
  border-color: var(--acc);
}
.btn-outline {
  background: var(--panel);
  color: var(--ink) !important;
}
.btn-outline:hover {
  border-color: rgba(99,224,176,0.5);
  color: var(--acc) !important;
}

/* Sections */
section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}
.hero {
  padding: 120px 0;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.hero h2 {
  font-size: 1.2rem;
  font-family: 'Noto Sans SC', sans-serif;
  font-weight: 400;
  color: var(--dim);
  margin-bottom: 30px;
}
.hero p {
  color: var(--dim);
  max-width: 600px;
  margin: 0 auto 40px auto;
}
.hero-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
}

/* Scroll reveal class */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all var(--trans);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Cards & Panels */
.grid-3, .pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.card, .pricing-card, .testimonial-card, .faq-item, .page-content {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: all var(--trans);
}
.card:hover, .pricing-card:hover, .testimonial-card:hover, .faq-item:hover {
  border-color: rgba(99,224,176,0.5);
}
.card .icon {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.5rem;
  color: var(--acc);
  margin-bottom: 20px;
  font-weight: bold;
}
.card h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--ink);
}
.card p, .testimonial-card {
  color: var(--dim);
  font-size: 0.95rem;
}

/* Pricing specific */
.pricing-card {
  text-align: center;
  padding: 40px 30px;
}
.pricing-card.popular {
  border-color: var(--acc);
}
.popular-badge {
  background: var(--acc);
  color: var(--bg);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 15px;
}
.price {
  font-size: 2.5rem;
  font-family: 'Chakra Petch', sans-serif;
  color: var(--acc);
  margin: 15px 0;
}
.price span {
  font-size: 1rem;
  color: var(--dim);
  font-family: 'Noto Sans SC', sans-serif;
}
.pricing-features {
  list-style: none;
  margin: 30px 0;
  text-align: left;
}
.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
}
.pricing-features li:last-child {
  border-bottom: none;
}
.pricing-features strong {
  color: var(--acc);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  padding: 0;
  margin-bottom: 15px;
}
.faq-q {
  padding: 20px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-q::after {
  content: '+';
  color: var(--acc);
  font-family: 'IBM Plex Mono', monospace;
}
.faq-item.active .faq-q::after {
  content: '-';
}
.faq-a {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: all var(--trans);
  color: var(--dim);
}
.faq-item.active .faq-a {
  padding: 0 20px 20px;
  max-height: 500px;
}

/* Page content */
.page-header {
  padding: 60px 0 20px;
  text-align: center;
}
.page-content h2 {
  margin: 30px 0 15px;
  color: var(--acc);
}
.page-content ul {
  padding-left: 20px;
  color: var(--dim);
}
.page-content p {
  color: var(--dim);
  margin-bottom: 15px;
}
.page-content strong {
  color: var(--ink);
}

/* Testimonial */
.testimonial-author {
  margin-top: 15px;
  color: var(--acc);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
}

/* Footer */
footer {
  background: transparent;
  border-top: 1px solid var(--line);
  padding: 40px 0;
  text-align: center;
  position: relative;
  z-index: 10;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--dim);
}
.footer-links a:hover {
  color: var(--acc);
}
.footer-copy {
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--dim);
}

/* Utilities */
.bg-light {
  background: transparent;
}

.mobile-menu-btn {
  display: none;
}

/* Responsive */
@media (max-width: 900px) {
  .grid-3, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-container { justify-content: space-between; }
  .logo { position: static; }
  .nav-links a.btn { position: static; width: 100%; margin-top: 10px; }
  .hero h1 { font-size: 2rem; }
  .grid-3, .pricing-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .mobile-menu-btn {
    display: block;
    color: var(--acc);
    background: transparent;
    border: 1px solid var(--line);
    padding: 5px 10px;
    border-radius: var(--radius);
  }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--panel);
    padding: 20px;
    border-bottom: 1px solid var(--line);
    z-index: 1000;
  }
}


/* Sitemap Cards */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 15px;
  margin-bottom: 30px;
}
.sitemap-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 20px;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  transition: all var(--trans);
  color: var(--dim);
  text-decoration: none;
}
.sitemap-card:hover {
  border-color: rgba(99,224,176,0.5);
  color: var(--acc);
  background: var(--panel);
  transform: translateY(-2px);
}
.sitemap-card::before {
  content: '>';
  font-family: 'IBM Plex Mono', monospace;
  color: var(--acc);
  margin-right: 10px;
  font-size: 14px;
}