:root {
  --canvas: #09090b;       /* Deep matte black */
  --panel: #121215;        /* Slightly lighter panel */
  --accent: #ffffff;       /* Pure white for focus */
  --border: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.15);
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  --success: #10b981;
  --font-main: 'Inter', -apple-system, system-ui, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
}

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

a {
  text-decoration: none;
  color: inherit;
}

body {
  background-color: var(--canvas);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* NAVBAR - Professional spacing & Blur */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 8%;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.nav-links a {
  margin-left: 32px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

/* HERO - Asymmetrical Layout */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  padding: 140px 8% 100px;
  gap: 60px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 40px;
}

/* BUTTONS - Modern Glow & Sharpness */
.btn-glow {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-bright);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
}

/* ORB ANIMATION */
.agent-orb {
  font-size: 80px;
  width: 200px;
  height: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-bright);
  background: radial-gradient(circle, rgba(0,240,255,0.05) 0%, transparent 70%);
  animation: float 6s infinite ease-in-out;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* TRUST BAR - Minimalist */
.trust-bar {
  padding: 40px 8%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.chains {
  display: flex;
  gap: 30px;
  color: var(--text-secondary);
  font-weight: 600;
}

/* GRID SYSTEM */
section {
  padding: 100px 8%;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 60px;
  text-align: left;
  font-weight: 700;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.glass-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 40px;
  border-radius: 20px;
  transition: border-color 0.3s, transform 0.3s;
}

.glass-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-8px);
}

.glass-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.glass-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* HOW IT WORKS - Step indicators */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step-card {
  position: relative;
  padding-top: 20px;
}

.step-card span {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
  display: inline-block;
}

/* DASHBOARD MOCKUP - Terminal Style */
.dashboard-mock {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.dashboard-mock p {
  background: var(--panel);
  padding: 12px 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.table-row {
  padding: 16px 20px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}

/* FAQ Accordion */
.faq-item {
  max-width: 700px;
  margin: 10px auto;
  border: 1px solid rgba(0,255,255,.15);
  border-radius: 10px;
  padding: 15px;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--cyan);
  text-align: left;
  cursor: pointer;
  font-size: 16px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: 0.3s;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { 
    grid-template-columns: 1fr; 
    text-align: center; 
  }

  .hero p { 
    margin: 0 auto 40px; 
  }

  .how-grid { 
    grid-template-columns: 1fr; 
  }

  @media (max-width: 768px) {
  .trust-bar {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .chains {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }
}

}

/* WHY ARC */

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.why-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: 18px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-bright);
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}


/* SECURITY */

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.security-card {
  background: linear-gradient(
    145deg,
    rgba(255,255,255,0.03),
    rgba(255,255,255,0.01)
  );
  border: 1px solid var(--border);
  padding: 34px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.security-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(0,240,255,0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.security-card:hover::before {
  opacity: 1;
}

.security-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.security-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ================================
   NEURAL FAQ CONSOLE
================================ */

.faq-neural {
  padding-top: 120px;
}

.neural-console {
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, #05070c, #030509);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0,240,255,0.08);
}

.neural-item {
  display: grid;
  grid-template-columns: 6px 1fr;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  position: relative;
}

.neural-item:last-child {
  border-bottom: none;
}

/* glowing rail */
.neural-item::before {
  content: "";
  width: 6px;
  background: transparent;
  transition: background 0.3s;
}

.neural-item.active::before {
  background: linear-gradient(180deg, #00f0ff, #7cfbff);
  box-shadow: 0 0 12px #00f0ff;
}

/* question row */
.neural-question {
  padding: 22px 26px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color 0.3s;
}

.neural-item.active .neural-question {
  color: var(--text-primary);
}

/* answer panel */
.neural-answer {
  grid-column: 2;
  padding: 0 26px;
  max-height: 0;
  overflow: hidden;
  color: var(--text-secondary);
  font-family: "Courier New", monospace;
  font-size: 0.95rem;
  transition: max-height 0.5s ease, padding 0.3s ease;
}

/* open state */
.neural-item.active .neural-answer {
  padding: 0 26px 26px;
  max-height: 200px;
}

/* scanline effect */
.neural-console::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.02),
    rgba(255,255,255,0.02) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  opacity: 0.15;
}

.footer {
  text-align: center;
  padding: 4rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

/* ================================
   COMPARISON TABLE (CYBER STYLE)
================================ */

.compare-table {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #070a12, #05070c);
  box-shadow: 0 0 60px rgba(0,240,255,0.06);
}

.compare-head,
.compare-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  align-items: center;
}

.compare-head {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  color: var(--text-secondary);
}

.compare-head div {
  padding: 18px 24px;
}

.compare-head .arc {
  color: var(--cyan);
}

.compare-row {
  border-bottom: 1px solid var(--border);
  transition: background 0.25s ease;
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-row:hover {
  background: rgba(0,240,255,0.04);
}

.compare-row div {
  padding: 18px 24px;
  font-size: 0.95rem;
}

/* status colors */
.yes {
  color: var(--success);
  font-weight: 700;
  text-align: center;
}

.no {
  color: #f87171;
  font-weight: 700;
  text-align: center;
}

.highlight {
  background: linear-gradient(
    90deg,
    rgba(0,240,255,0.08),
    rgba(0,240,255,0.02)
  );
  font-weight: 600;
}

/* Mobile layout */

@media (max-width: 700px) {

  .compare-head,
  .compare-row {
    grid-template-columns: 1fr 1fr 1fr;
    font-size: 0.85rem;
  }

  .compare-row div:first-child {
    font-size: 0.85rem;
  }
}

@media (max-width: 768px) {

  /* NAVBAR */
  .navbar {
    padding: 14px 6%;
  }

  .nav-links {
    display: none; /* optional: hide for now */
  }

  /* HERO */
  .hero {
    grid-template-columns: 1fr;
    padding: 90px 6% 70px;
    gap: 40px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero p {
    font-size: 1rem;
    margin: 0 auto 28px;
  }

  .hero-text {
    order: 1;
  }

  .hero-visual {
    order: 2;
    display: flex;
    justify-content: center;
  }

  .agent-orb {
    width: 140px;
    height: 140px;
    font-size: 56px;
  }

  .visual-note {
    margin-top: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .btn-glow {
    width: auto;
    padding: 0.7rem 1.4rem;
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .glass-card {
    padding: 28px;
  }
}

@media (max-width: 768px) {
  .how-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .step-card {
    padding: 24px 0;
  }
}

section {
  padding-left: 6%;
  padding-right: 6%;
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: "›";
  margin-left: 6px;
  transition: transform 0.2s ease;
  display: inline-block;
}

.btn-glow:hover::after {
  transform: translateX(4px);
}