/* ==========================================
   NAVINTA AI — Theme Stylesheet
   ========================================== */

:root {
  --bg: #0a0a0c;
  --bg-2: #111114;
  --bg-card: #161619;
  --bg-card-hover: #1c1c21;
  --accent: #e8a53a;
  --accent-dim: rgba(232, 165, 58, 0.15);
  --accent-glow: rgba(232, 165, 58, 0.08);
  --fg: #f0ece4;
  --fg-muted: #9c9590;
  --fg-dim: #5a5550;
  --border: rgba(240, 236, 228, 0.08);
  --border-light: rgba(240, 236, 228, 0.04);

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.nav-dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-beam {
  position: absolute;
  top: -20%;
  width: 1px;
  height: 140%;
  background: linear-gradient(180deg, rgba(232,165,58,0) 0%, rgba(232,165,58,0.06) 40%, rgba(232,165,58,0.12) 60%, rgba(232,165,58,0) 100%);
  transform-origin: top center;
}
.hero-beam-1 { left: 30%; transform: rotate(12deg); }
.hero-beam-2 { left: 70%; transform: rotate(-12deg); }
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(232,165,58,0.06) 0%, transparent 70%);
}
.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  opacity: 0.4;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 2rem;
  background: var(--bg-2);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(232,165,58,0.4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(232,165,58,0.4); }
  70% { box-shadow: 0 0 0 6px rgba(232,165,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,165,58,0); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}
.hero-note {
  font-size: 0.85rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.hero-stat {
  flex: 1;
  max-width: 200px;
  text-align: center;
  padding: 0 2rem;
}
.hero-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent);
  line-height: 1.1;
}
.hero-stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 0.3rem;
}
.hero-stat-div {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Section shared */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.section-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* Features */
.features {
  padding: var(--space-3xl) 2rem;
  background: var(--bg-2);
}
.feature-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  transition: background 0.3s;
}
.feature-card:hover { background: var(--bg-card-hover); }
.feature-card-main { grid-column: span 1; }
.feature-card-inner {
  padding: 2rem 1.75rem;
}
.feature-num {
  display: block;
  font-size: 0.7rem;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-variant-numeric: tabular-nums;
}
.feature-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}
.feature-tag {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* Process */
.process {
  padding: var(--space-3xl) 2rem;
  background: var(--bg);
}
.process-track {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}
.process-step {
  flex: 1;
  text-align: center;
}
.process-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  color: var(--accent);
  background: var(--bg-2);
}
.process-step-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 0.25rem;
}
.process-step-desc {
  font-size: 0.75rem;
  color: var(--fg-muted);
  line-height: 1.4;
}
.process-arrow {
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  padding-top: 1rem;
  flex-shrink: 0;
}

/* Pricing */
.pricing {
  padding: var(--space-3xl) 2rem;
  background: var(--bg-2);
}
.pricing-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
}
.pricing-card-popular {
  background: #1a1a20;
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(232,165,58,0.08);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0a0a0c;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 100px;
}
.pricing-tier {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.75rem;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  margin-bottom: 0.25rem;
}
.pricing-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--fg);
}
.pricing-period {
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.pricing-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}
.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.pricing-features li {
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding-left: 1.2rem;
  position: relative;
}
.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Testimonials */
.testimonials {
  padding: var(--space-3xl) 2rem;
  background: var(--bg);
}
.testimonial-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.testimonial-card {
  background: var(--bg-card);
  padding: 1.75rem;
}
.testimonial-card-large { grid-column: span 2; }
.testimonial-quote {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.testimonial-avatar svg { width: 100%; height: 100%; }
.testimonial-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg);
}
.testimonial-role {
  display: block;
  font-size: 0.72rem;
  color: var(--fg-dim);
  margin-top: 0.1rem;
}

/* Closing */
.closing {
  padding: var(--space-3xl) 2rem;
  background: var(--bg-2);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 3rem;
}
.closing-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.closing-stat { text-align: center; }
.closing-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}
.closing-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 0.3rem;
}
.closing-statement {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--fg-dim);
}

/* Footer */
.footer {
  padding: 4rem 2rem 2rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  display: block;
  margin-bottom: 0.5rem;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.footer-links {
  display: flex;
  gap: 4rem;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-col-title {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.25rem;
}
.footer-col a {
  font-size: 0.85rem;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--fg); }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.78rem;
  color: var(--fg-dim);
}
.footer-legal {
  display: flex;
  gap: 1.5rem;
}
.footer-legal a { transition: color 0.2s; }
.footer-legal a:hover { color: var(--fg-muted); }

/* Responsive */
@media (max-width: 768px) {
  .hero-stat-row { flex-direction: column; gap: 1rem; }
  .hero-stat { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 1rem; max-width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .process-track { flex-direction: column; align-items: center; gap: 1.5rem; }
  .process-arrow { transform: rotate(90deg); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .testimonial-card-large { grid-column: span 1; }
  .closing-stats { flex-direction: column; gap: 1.5rem; }
  .footer-inner { flex-direction: column; }
  .nav-links { display: none; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}